diff options
52 files changed, 6012 insertions, 203 deletions
diff --git a/sbin/ifconfig/ifconfig.8 b/sbin/ifconfig/ifconfig.8 index 5f571f8..1d2f096 100644 --- a/sbin/ifconfig/ifconfig.8 +++ b/sbin/ifconfig/ifconfig.8 @@ -28,7 +28,7 @@ .\" From: @(#)ifconfig.8 8.3 (Berkeley) 1/5/94 .\" $FreeBSD$ .\" -.Dd June 24, 2009 +.Dd July 8, 2009 .Dt IFCONFIG 8 .Os .Sh NAME @@ -623,6 +623,7 @@ is one of .Cm hostap ), .Cm wds , .Cm tdma , +.Cm mesh , and .Cm monitor . The operating mode of a cloned interface cannot be changed. @@ -1195,6 +1196,9 @@ indicates the address is denied access, .Ql * indicates the address is present but the current policy open (so the ACL is not consulted). +.It Cm list mesh +Displays the mesh routing table, used for forwarding packets on a mesh +network. .It Cm list regdomain Display the current regulatory settings including the available channels and transmit power caps. @@ -1278,6 +1282,8 @@ When operating as an access point display the stations that are currently associated. When operating in ad-hoc mode display stations identified as neighbors in the IBSS. +When operating in mesh mode display stations identified as +neighbors in the MBSS. When operating in station mode display the access point. Capabilities advertised by the stations are described under the @@ -1813,6 +1819,85 @@ as it handles the RADIUS processing (and marks stations as authorized). .El .Pp +The following parameters are related to a wireless interface operating in mesh +mode: +.Bl -tag -width indent +.It Cm meshid Ar meshid +Set the desired Mesh Identifier. +The Mesh ID is a string up to 32 characters in length. +A mesh interface must have a Mesh Identifier specified +to reach an operational state. +.It Cm meshttl Ar ttl +Set the desired ``time to live'' for mesh forwarded packets; +this is the number of hops a packet may be forwarded before +it is discarded. +The default setting for +.Cm meshttl +is 31. +.It Cm meshpeering +Enable or disable peering with neighbor mesh stations. +Stations must peer before any data packets can be exchanged. +By default +.Cm meshpeering +is enabled. +.It Cm meshforward +Enable or disable forwarding packets by a mesh interface. +By default +.Cm meshforward +is enabled. +.It Cm meshmetric Ar protocol +Set the specified +.Ar protocol +as the link metric protocol used on a mesh network. +The default protocol is called +.Ar AIRTIME . +The mesh interface will restart after changing this setting. +.It Cm meshpath Ar protocol +Set the specified +.Ar protocol +as the path selection protocol used on a mesh network. +The only available protocol at the moment is called +.Ar HWMP +(Hybrid Wireless Mesh Protocol). +The mesh interface will restart after changing this setting. +.It Cm hwmprootmode Ar mode +Stations on a mesh network can operate as ``root nodes.'' +Root nodes try to find paths to all mesh nodes and advertise themselves +regularly. +When there is a root mesh node on a network, other mesh nodes can setup +paths between themselves faster because they can use the root node +to find the destination. +This path may not be the best, but on-demand +routing will eventually find the best path. +The following modes are recognized: +.Pp +.Bl -tag -width ".Cm PROACTIVE" -compact +.It Cm DISABLED +Disable root mode. +.It Cm NORMAL +Send broadcast path requests every two seconds. +Nodes on the mesh without a path to this root mesh station with try to +discover a path to us. +.It Cm PROACTIVE +Send broadcast path requests every two seconds and every node must reply with +with a path reply even if it already has a path to this root mesh station, +.It Cm RANN +Send broadcast root annoucement (RANN) frames. +Nodes on the mesh without a path to this root mesh station with try to +discover a path to us. +.El +By default +.Cm hwmprootmode +is set to +.Ar DISABLED . +.It Cm hwmpmaxhops Ar cnt +Set the maximum number of hops allowed in an HMWP path to +.Ar cnt . +The default setting for +.Cm hwmpmaxhops +is 31. +.El +.Pp The following parameters are for compatibility with other systems: .Bl -tag -width indent .It Cm nwid Ar ssid diff --git a/sbin/ifconfig/ifieee80211.c b/sbin/ifconfig/ifieee80211.c index dbbc195..2b196a6 100644 --- a/sbin/ifconfig/ifieee80211.c +++ b/sbin/ifconfig/ifieee80211.c @@ -81,6 +81,7 @@ #include <net80211/ieee80211_freebsd.h> #include <net80211/ieee80211_superg.h> #include <net80211/ieee80211_tdma.h> +#include <net80211/ieee80211_mesh.h> #include <assert.h> #include <ctype.h> @@ -162,6 +163,7 @@ static void print_channels(int, const struct ieee80211req_chaninfo *, int allchans, int verbose); static void regdomain_makechannels(struct ieee80211_regdomain_req *, const struct ieee80211_devcaps_req *); +static const char *mesh_linkstate_string(uint8_t state); static struct ieee80211req_chaninfo *chaninfo; static struct ieee80211_regdomain regdomain; @@ -575,6 +577,20 @@ set80211ssid(const char *val, int d, int s, const struct afswtch *rafp) } static void +set80211meshid(const char *val, int d, int s, const struct afswtch *rafp) +{ + int len; + u_int8_t data[IEEE80211_NWID_LEN]; + + memset(data, 0, sizeof(data)); + len = sizeof(data); + if (get_string(val, NULL, data, &len) == NULL) + exit(1); + + set80211(s, IEEE80211_IOC_MESH_ID, 0, len, data); +} + +static void set80211stationname(const char *val, int d, int s, const struct afswtch *rafp) { int len; @@ -1262,6 +1278,66 @@ DECL_CMD_FUNC(set80211maccmd, val, d) } static void +set80211meshrtmac(int s, int req, const char *val) +{ + char *temp; + struct sockaddr_dl sdl; + + temp = malloc(strlen(val) + 2); /* ':' and '\0' */ + if (temp == NULL) + errx(1, "malloc failed"); + temp[0] = ':'; + strcpy(temp + 1, val); + sdl.sdl_len = sizeof(sdl); + link_addr(temp, &sdl); + free(temp); + if (sdl.sdl_alen != IEEE80211_ADDR_LEN) + errx(1, "malformed link-level address"); + set80211(s, IEEE80211_IOC_MESH_RTCMD, req, + IEEE80211_ADDR_LEN, LLADDR(&sdl)); +} + +static +DECL_CMD_FUNC(set80211addmeshrt, val, d) +{ + set80211meshrtmac(s, IEEE80211_MESH_RTCMD_ADD, val); +} + +static +DECL_CMD_FUNC(set80211delmeshrt, val, d) +{ + set80211meshrtmac(s, IEEE80211_MESH_RTCMD_DELETE, val); +} + +static +DECL_CMD_FUNC(set80211meshrtcmd, val, d) +{ + set80211(s, IEEE80211_IOC_MESH_RTCMD, d, 0, NULL); +} + +static +DECL_CMD_FUNC(set80211hwmprootmode, val, d) +{ + int mode; + + if (strcasecmp(val, "normal") == 0) + mode = IEEE80211_HWMP_ROOTMODE_NORMAL; + else if (strcasecmp(val, "proactive") == 0) + mode = IEEE80211_HWMP_ROOTMODE_PROACTIVE; + else if (strcasecmp(val, "rann") == 0) + mode = IEEE80211_HWMP_ROOTMODE_RANN; + else + mode = IEEE80211_HWMP_ROOTMODE_DISABLED; + set80211(s, IEEE80211_IOC_HWMP_ROOTMODE, mode, 0, NULL); +} + +static +DECL_CMD_FUNC(set80211hwmpmaxhops, val, d) +{ + set80211(s, IEEE80211_IOC_HWMP_MAXHOPS, atoi(val), 0, NULL); +} + +static void set80211pureg(const char *val, int d, int s, const struct afswtch *rafp) { set80211(s, IEEE80211_IOC_PUREG, d, 0, NULL); @@ -1771,6 +1847,42 @@ DECL_CMD_FUNC(set80211tdmabintval, val, d) set80211(s, IEEE80211_IOC_TDMA_BINTERVAL, atoi(val), 0, NULL); } +static +DECL_CMD_FUNC(set80211meshttl, val, d) +{ + set80211(s, IEEE80211_IOC_MESH_TTL, atoi(val), 0, NULL); +} + +static +DECL_CMD_FUNC(set80211meshforward, val, d) +{ + set80211(s, IEEE80211_IOC_MESH_FWRD, atoi(val), 0, NULL); +} + +static +DECL_CMD_FUNC(set80211meshpeering, val, d) +{ + set80211(s, IEEE80211_IOC_MESH_AP, atoi(val), 0, NULL); +} + +static +DECL_CMD_FUNC(set80211meshmetric, val, d) +{ + char v[12]; + + memcpy(v, val, sizeof(v)); + set80211(s, IEEE80211_IOC_MESH_PR_METRIC, 0, 0, v); +} + +static +DECL_CMD_FUNC(set80211meshpath, val, d) +{ + char v[12]; + + memcpy(v, val, sizeof(v)); + set80211(s, IEEE80211_IOC_MESH_PR_PATH, 0, 0, v); +} + static int regdomain_sort(const void *a, const void *b) { @@ -2498,6 +2610,45 @@ printathie(const char *tag, const u_int8_t *ie, size_t ielen, int maxlen) } } + +static void +printmeshconf(const char *tag, const uint8_t *ie, size_t ielen, int maxlen) +{ +#define MATCHOUI(field, oui, string) \ +do { \ + if (memcmp(field, oui, 4) == 0) \ + printf("%s", string); \ +} while (0) + + printf("%s", tag); + if (verbose) { + const struct ieee80211_meshconf_ie *mconf = + (const struct ieee80211_meshconf_ie *)ie; + const uint8_t null[4] = IEEE80211_MESHCONF_NULL; + const uint8_t hwmp[4] = IEEE80211_MESHCONF_HWMP; + const uint8_t airtime[4] = IEEE80211_MESHCONF_AIRTIME; + const uint8_t ccsig[4] = IEEE80211_MESHCONF_CCSIG; + const uint8_t sae[4] = IEEE80211_MESHCONF_SAE; + const uint8_t neighoff[4] = IEEE80211_MESHCONF_SAE; + printf("<v%d PATH:", mconf->conf_ver); + MATCHOUI(mconf->conf_pselid, hwmp, "HWMP"); + printf(" LINK:"); + MATCHOUI(mconf->conf_pmetid, airtime, "AIRTIME"); + printf(" CONGESTION:"); + MATCHOUI(mconf->conf_ccid, ccsig, "SIG"); + MATCHOUI(mconf->conf_ccid, null, "NULL"); + printf(" SYNC:"); + MATCHOUI(mconf->conf_syncid, neighoff, "NEIGHOFF"); + MATCHOUI(mconf->conf_syncid, null, "NULL"); + printf(" AUTH:"); + MATCHOUI(mconf->conf_authid, sae, "SAE"); + MATCHOUI(mconf->conf_authid, null, "NULL"); + printf(" FORM:0x%x CAPS:0x%x>", mconf->conf_form, + mconf->conf_cap); + } +#undef MATCHOUI +} + static const char * wpa_cipher(const u_int8_t *sel) { @@ -2968,6 +3119,13 @@ printies(const u_int8_t *vp, int ielen, int maxcols) if (verbose) printhtinfo(" HTINFO", vp, 2+vp[1], maxcols); break; + case IEEE80211_ELEMID_MESHID: + if (verbose) + printssid(" MESHID", vp, 2+vp[1], maxcols); + break; + case IEEE80211_ELEMID_MESHCONF: + printmeshconf(" MESHCONF", vp, 2+vp[1], maxcols); + break; default: if (verbose) printie(iename(vp[0]), vp, 2+vp[1], maxcols); @@ -2996,7 +3154,7 @@ list_scan(int s) uint8_t buf[24*1024]; char ssid[IEEE80211_NWID_LEN+1]; const uint8_t *cp; - int len, ssidmax; + int len, ssidmax, idlen; if (get80211len(s, IEEE80211_IOC_SCAN_RESULTS, buf, sizeof(buf), &len) < 0) errx(1, "unable to get scan results"); @@ -3005,9 +3163,9 @@ list_scan(int s) getchaninfo(s); - ssidmax = verbose ? IEEE80211_NWID_LEN : 14; + ssidmax = verbose ? IEEE80211_NWID_LEN - 1 : 14; printf("%-*.*s %-17.17s %4s %4s %-7s %3s %4s\n" - , ssidmax, ssidmax, "SSID" + , ssidmax, ssidmax, "SSID/MESH ID" , "BSSID" , "CHAN" , "RATE" @@ -3018,13 +3176,20 @@ list_scan(int s) cp = buf; do { const struct ieee80211req_scan_result *sr; - const uint8_t *vp; + const uint8_t *vp, *idp; sr = (const struct ieee80211req_scan_result *) cp; vp = cp + sr->isr_ie_off; + if (sr->isr_meshid_len) { + idp = vp + sr->isr_ssid_len; + idlen = sr->isr_meshid_len; + } else { + idp = vp; + idlen = sr->isr_ssid_len; + } printf("%-*.*s %s %3d %3dM %3d:%-3d %3d %-4.4s" , ssidmax - , copy_essid(ssid, ssidmax, vp, sr->isr_ssid_len) + , copy_essid(ssid, ssidmax, idp, idlen) , ssid , ether_ntoa((const struct ether_addr *) sr->isr_bssid) , ieee80211_mhz2ieee(sr->isr_freq, sr->isr_flags) @@ -3033,7 +3198,8 @@ list_scan(int s) , sr->isr_intval , getcaps(sr->isr_capinfo) ); - printies(vp + sr->isr_ssid_len, sr->isr_ie_len, 24); + printies(vp + sr->isr_ssid_len + sr->isr_meshid_len, + sr->isr_ie_len, 24); printf("\n"); cp += sr->isr_len, len -= sr->isr_len; } while (len >= sizeof(struct ieee80211req_scan_result)); @@ -3151,18 +3317,32 @@ list_stations(int s) getchaninfo(s); - printf("%-17.17s %4s %4s %4s %4s %4s %6s %6s %4s %-7s\n" - , "ADDR" - , "AID" - , "CHAN" - , "RATE" - , "RSSI" - , "IDLE" - , "TXSEQ" - , "RXSEQ" - , "CAPS" - , "FLAG" - ); + if (opmode == IEEE80211_M_MBSS) + printf("%-17.17s %4s %5s %5s %7s %4s %4s %4s %6s %6s\n" + , "ADDR" + , "CHAN" + , "LOCAL" + , "PEER" + , "STATE" + , "RATE" + , "RSSI" + , "IDLE" + , "TXSEQ" + , "RXSEQ" + ); + else + printf("%-17.17s %4s %4s %4s %4s %4s %6s %6s %4s %-7s\n" + , "ADDR" + , "AID" + , "CHAN" + , "RATE" + , "RSSI" + , "IDLE" + , "TXSEQ" + , "RXSEQ" + , "CAPS" + , "FLAG" + ); cp = (const uint8_t *) u.req.info; do { const struct ieee80211req_sta_info *si; @@ -3170,18 +3350,36 @@ list_stations(int s) si = (const struct ieee80211req_sta_info *) cp; if (si->isi_len < sizeof(*si)) break; - printf("%s %4u %4d %3dM %3.1f %4d %6d %6d %-4.4s %-7.7s" - , ether_ntoa((const struct ether_addr*) si->isi_macaddr) - , IEEE80211_AID(si->isi_associd) - , ieee80211_mhz2ieee(si->isi_freq, si->isi_flags) - , si->isi_txmbps/2 - , si->isi_rssi/2. - , si->isi_inact - , gettxseq(si) - , getrxseq(si) - , getcaps(si->isi_capinfo) - , getflags(si->isi_state) - ); + if (opmode == IEEE80211_M_MBSS) + printf("%s %4d %5x %5x %7.7s %3dM %4.1f %4d %6d %6d" + , ether_ntoa((const struct ether_addr*) + si->isi_macaddr) + , ieee80211_mhz2ieee(si->isi_freq, + si->isi_flags) + , si->isi_localid + , si->isi_peerid + , mesh_linkstate_string(si->isi_peerstate) + , si->isi_txmbps/2 + , si->isi_rssi/2. + , si->isi_inact + , gettxseq(si) + , getrxseq(si) + ); + else + printf("%s %4u %4d %3dM %4.1f %4d %6d %6d %-4.4s %-7.7s" + , ether_ntoa((const struct ether_addr*) + si->isi_macaddr) + , IEEE80211_AID(si->isi_associd) + , ieee80211_mhz2ieee(si->isi_freq, + si->isi_flags) + , si->isi_txmbps/2 + , si->isi_rssi/2. + , si->isi_inact + , gettxseq(si) + , getrxseq(si) + , getcaps(si->isi_capinfo) + , getflags(si->isi_state) + ); printies(cp + si->isi_ie_off, si->isi_ie_len, 24); printmimo(&si->isi_mimo); printf("\n"); @@ -3190,6 +3388,28 @@ list_stations(int s) } static const char * +mesh_linkstate_string(uint8_t state) +{ +#define N(a) (sizeof(a) / sizeof(a[0])) + static const char *state_names[] = { + [0] = "IDLE", + [1] = "OPEN-TX", + [2] = "OPEN-RX", + [3] = "CONF-RX", + [4] = "ESTAB", + [5] = "HOLDING", + }; + + if (state >= N(state_names)) { + static char buf[10]; + snprintf(buf, sizeof(buf), "#%u", state); + return buf; + } else + return state_names[state]; +#undef N +} + +static const char * get_chaninfo(const struct ieee80211_channel *c, int precise, char buf[], size_t bsize) { @@ -3409,9 +3629,9 @@ list_keys(int s) } #define IEEE80211_C_BITS \ - "\20\1STA\7FF\10TURBOP\11IBSS\12PMGT" \ + "\20\1STA\002803ENCAP\7FF\10TURBOP\11IBSS\12PMGT" \ "\13HOSTAP\14AHDEMO\15SWRETRY\16TXPMGT\17SHSLOT\20SHPREAMBLE" \ - "\21MONITOR\22DFS\30WPA1\31WPA2\32BURST\33WME\34WDS\36BGSCAN" \ + "\21MONITOR\22DFS\23MBSS\30WPA1\31WPA2\32BURST\33WME\34WDS\36BGSCAN" \ "\37TXFRAG\40TDMA" static void @@ -3729,6 +3949,40 @@ list_regdomain(int s, int channelsalso) print_regdomain(®domain, verbose); } +static void +list_mesh(int s) +{ + int i; + struct ieee80211req ireq; + struct ieee80211req_mesh_route routes[128]; + + (void) memset(&ireq, 0, sizeof(ireq)); + (void) strncpy(ireq.i_name, name, sizeof(ireq.i_name)); + ireq.i_type = IEEE80211_IOC_MESH_RTCMD; + ireq.i_val = IEEE80211_MESH_RTCMD_LIST; + ireq.i_data = &routes; + ireq.i_len = sizeof(routes); + if (ioctl(s, SIOCG80211, &ireq) < 0) + err(1, "unable to get the Mesh routing table"); + + printf("%-17.17s %-17.17s %4s %4s %4s\n" + , "DEST" + , "NEXT HOP" + , "HOPS" + , "METRIC" + , "LIFETIME"); + + for (i = 0; i < ireq.i_len / sizeof(*routes); i++) { + printf("%s ", + ether_ntoa((const struct ether_addr *)routes[i].imr_dest)); + printf("%s %4u %4d %6d\n", + ether_ntoa((const struct ether_addr *) + routes[i].imr_nexthop), + routes[i].imr_nhops, routes[i].imr_metric, + routes[i].imr_lifetime); + } +} + static DECL_CMD_FUNC(set80211list, arg, d) { @@ -3762,6 +4016,8 @@ DECL_CMD_FUNC(set80211list, arg, d) list_regdomain(s, 1); else if (iseq(arg, "countries")) list_countries(); + else if (iseq(arg, "mesh")) + list_mesh(s); else errx(1, "Don't know how to list %s for %s", arg, name); LINE_BREAK(); @@ -3787,6 +4043,8 @@ get80211opmode(int s) return IEEE80211_M_HOSTAP; if (ifmr.ifm_current & IFM_IEEE80211_MONITOR) return IEEE80211_M_MONITOR; + if (ifmr.ifm_current & IFM_IEEE80211_MBSS) + return IEEE80211_M_MBSS; } return IEEE80211_M_STA; } @@ -3911,13 +4169,13 @@ printrate(const char *tag, int v, int defrate, int defmcs) } static int -getssid(int s, int ix, void *data, size_t len, int *plen) +getid(int s, int ix, void *data, size_t len, int *plen, int mesh) { struct ieee80211req ireq; (void) memset(&ireq, 0, sizeof(ireq)); (void) strncpy(ireq.i_name, name, sizeof(ireq.i_name)); - ireq.i_type = IEEE80211_IOC_SSID; + ireq.i_type = (!mesh) ? IEEE80211_IOC_SSID : IEEE80211_IOC_MESH_ID; ireq.i_val = ix; ireq.i_data = data; ireq.i_len = len; @@ -3938,7 +4196,7 @@ ieee80211_status(int s) const struct ieee80211_roamparam *rp; const struct ieee80211_txparam *tp; - if (getssid(s, -1, data, sizeof(data), &len) < 0) { + if (getid(s, -1, data, sizeof(data), &len, 0) < 0) { /* If we can't get the SSID, this isn't an 802.11 device. */ return; } @@ -3953,19 +4211,25 @@ ieee80211_status(int s) gothtconf = 0; gotregdomain = 0; - if (get80211val(s, IEEE80211_IOC_NUMSSIDS, &num) < 0) - num = 0; - printf("\tssid "); - if (num > 1) { - for (i = 0; i < num; i++) { - if (getssid(s, i, data, sizeof(data), &len) >= 0 && len > 0) { - printf(" %d:", i + 1); - print_string(data, len); - } - } - } else + printf("\t"); + if (opmode == IEEE80211_M_MBSS) { + printf("meshid "); + getid(s, 0, data, sizeof(data), &len, 1); print_string(data, len); - + } else { + if (get80211val(s, IEEE80211_IOC_NUMSSIDS, &num) < 0) + num = 0; + printf("ssid "); + if (num > 1) { + for (i = 0; i < num; i++) { + if (getid(s, i, data, sizeof(data), &len, 0) >= 0 && len > 0) { + printf(" %d:", i + 1); + print_string(data, len); + } + } + } else + print_string(data, len); + } c = getcurchan(s); if (c->ic_freq != IEEE80211_CHAN_ANY) { char buf[14]; @@ -4515,6 +4779,57 @@ end: LINE_BREAK(); list_wme(s); } + + if (opmode == IEEE80211_M_MBSS) { + if (get80211val(s, IEEE80211_IOC_MESH_TTL, &val) != -1) { + LINE_CHECK("meshttl %u", val); + } + if (get80211val(s, IEEE80211_IOC_MESH_AP, &val) != -1) { + if (val) + LINE_CHECK("meshpeering"); + else + LINE_CHECK("-meshpeering"); + } + if (get80211val(s, IEEE80211_IOC_MESH_FWRD, &val) != -1) { + if (val) + LINE_CHECK("meshforward"); + else + LINE_CHECK("-meshforward"); + } + if (get80211len(s, IEEE80211_IOC_MESH_PR_METRIC, data, 12, + &len) != -1) { + data[len] = '\0'; + LINE_CHECK("meshmetric %s", data); + } + if (get80211len(s, IEEE80211_IOC_MESH_PR_PATH, data, 12, + &len) != -1) { + data[len] = '\0'; + LINE_CHECK("meshpath %s", data); + } + if (get80211val(s, IEEE80211_IOC_HWMP_ROOTMODE, &val) != -1) { + switch (val) { + case IEEE80211_HWMP_ROOTMODE_DISABLED: + LINE_CHECK("hwmprootmode DISABLED"); + break; + case IEEE80211_HWMP_ROOTMODE_NORMAL: + LINE_CHECK("hwmprootmode NORMAL"); + break; + case IEEE80211_HWMP_ROOTMODE_PROACTIVE: + LINE_CHECK("hwmprootmode PROACTIVE"); + break; + case IEEE80211_HWMP_ROOTMODE_RANN: + LINE_CHECK("hwmprootmode RANN"); + break; + default: + LINE_CHECK("hwmprootmode UNKNOWN(%d)", val); + break; + } + } + if (get80211val(s, IEEE80211_IOC_HWMP_MAXHOPS, &val) != -1) { + LINE_CHECK("hwmpmaxhops %u", val); + } + } + LINE_BREAK(); } @@ -4731,7 +5046,9 @@ DECL_CMD_FUNC(set80211clone_wlanmode, arg, d) else if (iseq(arg, "tdma")) { params.icp_opmode = IEEE80211_M_AHDEMO; params.icp_flags |= IEEE80211_CLONE_TDMA; - } else + } else if (iseq(arg, "mesh") || iseq(arg, "mp")) /* mesh point */ + params.icp_opmode = IEEE80211_M_MBSS; + else errx(1, "Don't know to create %s for %s", arg, name); #undef iseq } @@ -4767,6 +5084,7 @@ set80211clone_wdslegacy(const char *val, int d, int s, const struct afswtch *raf static struct cmd ieee80211_cmds[] = { DEF_CMD_ARG("ssid", set80211ssid), DEF_CMD_ARG("nwid", set80211ssid), + DEF_CMD_ARG("meshid", set80211meshid), DEF_CMD_ARG("stationname", set80211stationname), DEF_CMD_ARG("station", set80211stationname), /* BSD/OS */ DEF_CMD_ARG("channel", set80211channel), @@ -4908,6 +5226,19 @@ static struct cmd ieee80211_cmds[] = { DEF_CMD_ARG("tdmaslotlen", set80211tdmaslotlen), DEF_CMD_ARG("tdmabintval", set80211tdmabintval), + DEF_CMD_ARG("meshttl", set80211meshttl), + DEF_CMD("meshforward", 1, set80211meshforward), + DEF_CMD("-meshforward", 0, set80211meshforward), + DEF_CMD("meshpeering", 1, set80211meshpeering), + DEF_CMD("-meshpeering", 0, set80211meshpeering), + DEF_CMD_ARG("meshmetric", set80211meshmetric), + DEF_CMD_ARG("meshpath", set80211meshpath), + DEF_CMD("meshrt:flush", IEEE80211_MESH_RTCMD_FLUSH, set80211meshrtcmd), + DEF_CMD_ARG("meshrt:add", set80211addmeshrt), + DEF_CMD_ARG("meshrt:del", set80211delmeshrt), + DEF_CMD_ARG("hwmprootmode", set80211hwmprootmode), + DEF_CMD_ARG("hwmpmaxhops", set80211hwmpmaxhops), + /* vap cloning support */ DEF_CLONE_CMD_ARG("wlanaddr", set80211clone_wlanaddr), DEF_CLONE_CMD_ARG("wlanbssid", set80211clone_wlanbssid), diff --git a/sbin/ifconfig/ifmedia.c b/sbin/ifconfig/ifmedia.c index d89f3eb..bb95043 100644 --- a/sbin/ifconfig/ifmedia.c +++ b/sbin/ifconfig/ifmedia.c @@ -104,7 +104,8 @@ static struct ifmedia_description *get_subtype_desc(int, #define IFM_OPMODE(x) \ ((x) & (IFM_IEEE80211_ADHOC | IFM_IEEE80211_HOSTAP | \ - IFM_IEEE80211_IBSS | IFM_IEEE80211_WDS | IFM_IEEE80211_MONITOR)) + IFM_IEEE80211_IBSS | IFM_IEEE80211_WDS | IFM_IEEE80211_MONITOR | \ + IFM_IEEE80211_MBSS)) #define IFM_IEEE80211_STA 0 static void diff --git a/share/man/man4/ath.4 b/share/man/man4/ath.4 index 9d15a7b..cfc256c 100644 --- a/share/man/man4/ath.4 +++ b/share/man/man4/ath.4 @@ -28,7 +28,7 @@ .\" .\" $FreeBSD$ .\"/ -.Dd March 25, 2009 +.Dd July 8, 2009 .Dt ATH 4 .Os .Sh NAME @@ -61,7 +61,7 @@ These APIs are used by a wide variety of chips; most all chips with a PCI and/or CardBus interface are supported. .Pp Supported features include 802.11 and 802.3 frames, power management, BSS, -IBSS, TDMA, and host-based access point operation modes. +IBSS, MBSS, TDMA, and host-based access point operation modes. All host/device interaction is via DMA. .Pp The @@ -102,6 +102,7 @@ The driver supports .Cm adhoc , .Cm adhoc-demo , .Cm hostap , +.Cm mesh , .Cm wds , and .Cm monitor @@ -175,6 +176,12 @@ ifconfig wlan0 inet 192.168.0.10 netmask 0xffffff00 ssid my_ap \e mode 11g .Ed .Pp +Create an 802.11a mesh station: +.Bd -literal -offset indent +ifconfig wlan0 create wlandev ath0 wlanmode mesh +ifconfig wlan0 meshid my_mesh mode 11a inet 192.168.0.10/24 +.Ed +.Pp Create two virtual 802.11a host-based access points, one with with WEP enabled and one with no security, and bridge them to the fxp0 (wired) device: diff --git a/share/man/man4/mwl.4 b/share/man/man4/mwl.4 index b31191b..32138c8 100644 --- a/share/man/man4/mwl.4 +++ b/share/man/man4/mwl.4 @@ -28,7 +28,7 @@ .\" .\" $FreeBSD$ .\"/ -.Dd June 9, 2009 +.Dd July 8, 2009 .Dt MWL 4 .Os .Sh NAME @@ -64,7 +64,7 @@ module to work. Normally this module is loaded on demand by the driver but it may also be compiled into the kernel. .Pp -Supported features include 802.11n, power management, BSS, +Supported features include 802.11n, power management, BSS, MBSS, and host-based access point operation modes. All host/device interaction is via DMA. .Pp @@ -83,6 +83,7 @@ AES-CCM, TKIP, and Michael cryptographic operations. The driver supports .Cm station , .Cm hostap , +.Cm mesh , and .Cm wds mode operation. @@ -139,6 +140,12 @@ ifconfig wlan0 inet 192.168.0.10 netmask 0xffffff00 ssid my_ap \e mode 11g .Ed .Pp +Create an 802.11a mesh station: +.Bd -literal -offset indent +ifconfig wlan0 create wlandev mwl0 wlanmode mesh +ifconfig wlan0 meshid my_mesh mode 11a inet 192.168.0.10/24 +.Ed +.Pp Create two virtual 802.11a host-based access points, one with with WEP enabled and one with no security, and bridge them to the fxp0 (wired) device: diff --git a/share/man/man4/ral.4 b/share/man/man4/ral.4 index 7f52c52..ef8f8b2 100644 --- a/share/man/man4/ral.4 +++ b/share/man/man4/ral.4 @@ -15,7 +15,7 @@ .\" .\" $FreeBSD$ .\" -.Dd April 13, 2008 +.Dd July 8, 2009 .Os .Dt RAL 4 .Sh NAME @@ -72,12 +72,15 @@ supports .Cm station , .Cm adhoc , .Cm hostap , +.Cm mesh , .Cm wds , and .Cm monitor mode operation. Only one .Cm hostap +or +.Cm mesh virtual interface may be configured at a time. Any number of .Cm wds diff --git a/share/man/man4/wlan.4 b/share/man/man4/wlan.4 index dffefab..c3a2b16 100644 --- a/share/man/man4/wlan.4 +++ b/share/man/man4/wlan.4 @@ -25,7 +25,7 @@ .\" .\" $FreeBSD$ .\" -.Dd May 15, 2009 +.Dd July 8, 2009 .Dt WLAN 4 .Os .Sh NAME @@ -48,7 +48,7 @@ support. .Nm supports multi-mode devices capable of operating in both 2.4GHz and 5GHz bands and supports numerous -802.11 standards: 802.11a, 802.11b, 802.11g, and 802.11n. +802.11 standards: 802.11a, 802.11b, 802.11g, 802.11n, and 802.11s (Draft 3.0). The WPA, 802.11i, and 802.1x security protocols are supported through a combination of in-kernel code and user-mode applications. The WME/WMM multi-media protocols are supported entirely within @@ -83,6 +83,8 @@ A client station in an infrastructure bss (i.e. one that associates to an access point). .It Cm hostap An access point in an infrastructure bss. +.It Cm mesh +A mesh station in an MBSS network. .It Cm adhoc A station in an IBSS network. .It Cm ahdemo @@ -115,8 +117,6 @@ interface that does not send beacon frames before interfaces may be created. .El .Pp -More types are planned to support -802.11s mesh nodes (station and ap). Note that an interface's type cannot be changed once it is created. .Pp .Nm @@ -161,6 +161,12 @@ The module name of .Nm was used to be compatible with .Nx . +.Pp +Mesh stations follow the 802.11s Draft 3.0 specification which is +not ratified and subject to change. +Beware that this specification is incompatible with earlier drafts; +and stations implementing earlier drafts (e.g. Linux) +may not interoperate. .Sh SEE ALSO .Xr an 4 , .Xr ath 4 , diff --git a/sys/amd64/conf/GENERIC b/sys/amd64/conf/GENERIC index 43b3960..73a4fb6 100644 --- a/sys/amd64/conf/GENERIC +++ b/sys/amd64/conf/GENERIC @@ -258,6 +258,7 @@ device xe # Xircom pccard Ethernet device wlan # 802.11 support options IEEE80211_DEBUG # enable debug msgs options IEEE80211_AMPDU_AGE # age frames in AMPDU reorder q's +options IEEE80211_SUPPORT_MESH # enable 802.11s D3.0 support device wlan_wep # 802.11 WEP support device wlan_ccmp # 802.11 CCMP support device wlan_tkip # 802.11 TKIP support diff --git a/sys/conf/NOTES b/sys/conf/NOTES index e191a23..e7e21a1 100644 --- a/sys/conf/NOTES +++ b/sys/conf/NOTES @@ -738,6 +738,8 @@ device vlan device wlan options IEEE80211_DEBUG #enable debugging msgs options IEEE80211_AMPDU_AGE #age frames in AMPDU reorder q's +options IEEE80211_SUPPORT_MESH #enable 802.11s D3.0 support +options IEEE80211_SUPPORT_TDMA #enable TDMA support # The `wlan_wep', `wlan_tkip', and `wlan_ccmp' devices provide # support for WEP, TKIP, and AES-CCMP crypto protocols optionally diff --git a/sys/conf/files b/sys/conf/files index 4d3094b..b28f5b3 100644 --- a/sys/conf/files +++ b/sys/conf/files @@ -2239,6 +2239,7 @@ net80211/ieee80211_acl.c optional wlan wlan_acl net80211/ieee80211_action.c optional wlan net80211/ieee80211_ageq.c optional wlan net80211/ieee80211_adhoc.c optional wlan +net80211/ieee80211_ageq.c optional wlan net80211/ieee80211_amrr.c optional wlan wlan_amrr net80211/ieee80211_crypto.c optional wlan net80211/ieee80211_crypto_ccmp.c optional wlan wlan_ccmp @@ -2250,8 +2251,10 @@ net80211/ieee80211_dfs.c optional wlan net80211/ieee80211_freebsd.c optional wlan net80211/ieee80211_hostap.c optional wlan net80211/ieee80211_ht.c optional wlan +net80211/ieee80211_hwmp.c optional wlan ieee80211_support_mesh net80211/ieee80211_input.c optional wlan net80211/ieee80211_ioctl.c optional wlan +net80211/ieee80211_mesh.c optional wlan ieee80211_support_mesh net80211/ieee80211_monitor.c optional wlan net80211/ieee80211_node.c optional wlan net80211/ieee80211_output.c optional wlan diff --git a/sys/conf/options b/sys/conf/options index be59f53..f905d6f 100644 --- a/sys/conf/options +++ b/sys/conf/options @@ -804,6 +804,7 @@ INTR_FILTER IEEE80211_DEBUG opt_wlan.h IEEE80211_DEBUG_REFCNT opt_wlan.h IEEE80211_AMPDU_AGE opt_wlan.h +IEEE80211_SUPPORT_MESH opt_wlan.h IEEE80211_SUPPORT_SUPERG opt_wlan.h IEEE80211_SUPPORT_TDMA opt_wlan.h diff --git a/sys/dev/ath/if_ath.c b/sys/dev/ath/if_ath.c index 7d0eb5e..c201265 100644 --- a/sys/dev/ath/if_ath.c +++ b/sys/dev/ath/if_ath.c @@ -578,6 +578,7 @@ ath_attach(u_int16_t devid, struct ath_softc *sc) | IEEE80211_C_MONITOR /* monitor mode */ | IEEE80211_C_AHDEMO /* adhoc demo mode */ | IEEE80211_C_WDS /* 4-address traffic works */ + | IEEE80211_C_MBSS /* mesh point link mode */ | IEEE80211_C_SHPREAMBLE /* short preamble supported */ | IEEE80211_C_SHSLOT /* short slot time supported */ | IEEE80211_C_WPA /* capable of WPA1+WPA2 */ @@ -655,6 +656,7 @@ ath_attach(u_int16_t devid, struct ath_softc *sc) if (ath_hal_hasbursting(ah)) ic->ic_caps |= IEEE80211_C_BURST; sc->sc_hasbmask = ath_hal_hasbssidmask(ah); + sc->sc_hasbmatch = ath_hal_hasbssidmatch(ah); sc->sc_hastsfadd = ath_hal_hastsfadjust(ah); if (ath_hal_hasfastframes(ah)) ic->ic_caps |= IEEE80211_C_FF; @@ -918,6 +920,7 @@ ath_vap_create(struct ieee80211com *ic, } break; case IEEE80211_M_HOSTAP: + case IEEE80211_M_MBSS: needbeacon = 1; break; case IEEE80211_M_WDS: @@ -936,7 +939,6 @@ ath_vap_create(struct ieee80211com *ic, ic_opmode = IEEE80211_M_HOSTAP; else ic_opmode = ic->ic_opmode; - break; default: device_printf(sc->sc_dev, "unknown opmode %d\n", opmode); goto bad; @@ -950,7 +952,7 @@ ath_vap_create(struct ieee80211com *ic, } /* STA, AHDEMO? */ - if (opmode == IEEE80211_M_HOSTAP) { + if (opmode == IEEE80211_M_HOSTAP || opmode == IEEE80211_M_MBSS) { assign_address(sc, mac, flags & IEEE80211_CLONE_BSSID); ath_hal_setbssidmask(sc->sc_ah, sc->sc_hwbssidmask); } @@ -1042,6 +1044,7 @@ ath_vap_create(struct ieee80211com *ic, /* fall thru... */ #endif case IEEE80211_M_HOSTAP: + case IEEE80211_M_MBSS: sc->sc_opmode = HAL_M_HOSTAP; break; case IEEE80211_M_MONITOR: @@ -1129,7 +1132,8 @@ ath_vap_delete(struct ieee80211vap *vap) sc->sc_nstavaps--; if (sc->sc_nstavaps == 0 && sc->sc_swbmiss) sc->sc_swbmiss = 0; - } else if (vap->iv_opmode == IEEE80211_M_HOSTAP) { + } else if (vap->iv_opmode == IEEE80211_M_HOSTAP || + vap->iv_opmode == IEEE80211_M_MBSS) { reclaim_address(sc, vap->iv_myaddr); ath_hal_setbssidmask(ah, sc->sc_hwbssidmask); } @@ -2330,7 +2334,7 @@ ath_key_update_end(struct ieee80211vap *vap) * NB: older hal's add rx filter bits out of sight and we need to * blindly preserve them * o probe request frames are accepted only when operating in - * hostap, adhoc, or monitor modes + * hostap, adhoc, mesh, or monitor modes * o enable promiscuous mode * - when in monitor mode * - if interface marked PROMISC (assumes bridge setting is filtered) @@ -2343,6 +2347,7 @@ ath_key_update_end(struct ieee80211vap *vap) * - when doing s/w beacon miss (e.g. for ap+sta) * - when operating in ap mode in 11g to detect overlapping bss that * require protection + * - when operating in mesh mode to detect neighbors * o accept control frames: * - when in monitor mode * XXX BAR frames for 11n @@ -2375,6 +2380,13 @@ ath_calcrxfilter(struct ath_softc *sc) if (ic->ic_opmode == IEEE80211_M_HOSTAP && IEEE80211_IS_CHAN_ANYG(ic->ic_curchan)) rfilt |= HAL_RX_FILTER_BEACON; + if (ic->ic_opmode == IEEE80211_M_MBSS) { + rfilt |= HAL_RX_FILTER_BEACON; + if (sc->sc_hasbmatch) + rfilt |= HAL_RX_FILTER_BSSID; + else + rfilt |= HAL_RX_FILTER_PROM; + } if (ic->ic_opmode == IEEE80211_M_MONITOR) rfilt |= HAL_RX_FILTER_CONTROL; DPRINTF(sc, ATH_DEBUG_MODE, "%s: RX filter 0x%x, %s if_flags 0x%x\n", @@ -2500,7 +2512,8 @@ ath_updateslot(struct ifnet *ifp) * immediately. For other operation we defer the change * until beacon updates have propagated to the stations. */ - if (ic->ic_opmode == IEEE80211_M_HOSTAP) + if (ic->ic_opmode == IEEE80211_M_HOSTAP || + ic->ic_opmode == IEEE80211_M_MBSS) sc->sc_updateslot = UPDATE; else ath_setslottime(sc); @@ -2535,7 +2548,8 @@ ath_beaconq_config(struct ath_softc *sc) HAL_TXQ_INFO qi; ath_hal_gettxqueueprops(ah, sc->sc_bhalq, &qi); - if (ic->ic_opmode == IEEE80211_M_HOSTAP) { + if (ic->ic_opmode == IEEE80211_M_HOSTAP || + ic->ic_opmode == IEEE80211_M_MBSS) { /* * Always burst out beacon and CAB traffic. */ @@ -3087,9 +3101,10 @@ ath_beacon_config(struct ath_softc *sc, struct ieee80211vap *vap) /* extract tstamp from last beacon and convert to TU */ nexttbtt = TSF_TO_TU(LE_READ_4(ni->ni_tstamp.data + 4), LE_READ_4(ni->ni_tstamp.data)); - if (ic->ic_opmode == IEEE80211_M_HOSTAP) { + if (ic->ic_opmode == IEEE80211_M_HOSTAP || + ic->ic_opmode == IEEE80211_M_MBSS) { /* - * For multi-bss ap support beacons are either staggered + * For multi-bss ap/mesh support beacons are either staggered * evenly over N slots or burst together. For the former * arrange for the SWBA to be delivered for each slot. * Slots that are not occupied will generate nothing. @@ -3230,10 +3245,11 @@ ath_beacon_config(struct ath_softc *sc, struct ieee80211vap *vap) } while (nexttbtt < tsftu); } ath_beaconq_config(sc); - } else if (ic->ic_opmode == IEEE80211_M_HOSTAP) { + } else if (ic->ic_opmode == IEEE80211_M_HOSTAP || + ic->ic_opmode == IEEE80211_M_MBSS) { /* - * In AP mode we enable the beacon timers and - * SWBA interrupts to prepare beacon frames. + * In AP/mesh mode we enable the beacon timers + * and SWBA interrupts to prepare beacon frames. */ intval |= HAL_BEACON_ENA; sc->sc_imask |= HAL_INT_SWBA; /* beacon prepare */ @@ -5602,6 +5618,7 @@ ath_newstate(struct ieee80211vap *vap, enum ieee80211_state nstate, int arg) #endif case IEEE80211_M_HOSTAP: case IEEE80211_M_IBSS: + case IEEE80211_M_MBSS: /* * Allocate and setup the beacon frame. * diff --git a/sys/dev/ath/if_athvar.h b/sys/dev/ath/if_athvar.h index 6a1ece2..0bd3ea2 100644 --- a/sys/dev/ath/if_athvar.h +++ b/sys/dev/ath/if_athvar.h @@ -235,6 +235,7 @@ struct ath_softc { sc_outdoor : 1,/* outdoor operation */ sc_dturbo : 1,/* dynamic turbo in use */ sc_hasbmask : 1,/* bssid mask support */ + sc_hasbmatch: 1,/* bssid match disable support*/ sc_hastsfadd: 1,/* tsf adjust support */ sc_beacons : 1,/* beacons running */ sc_swbmiss : 1,/* sta mode using sw bmiss */ diff --git a/sys/dev/mwl/if_mwl.c b/sys/dev/mwl/if_mwl.c index dbbdca7..c320cdb 100644 --- a/sys/dev/mwl/if_mwl.c +++ b/sys/dev/mwl/if_mwl.c @@ -420,6 +420,7 @@ mwl_attach(uint16_t devid, struct mwl_softc *sc) | IEEE80211_C_IBSS /* ibss, nee adhoc, mode */ | IEEE80211_C_AHDEMO /* adhoc demo mode */ #endif + | IEEE80211_C_MBSS /* mesh point link mode */ | IEEE80211_C_WDS /* WDS supported */ | IEEE80211_C_SHPREAMBLE /* short preamble supported */ | IEEE80211_C_SHSLOT /* short slot time supported */ @@ -615,6 +616,7 @@ mwl_vap_create(struct ieee80211com *ic, IEEE80211_ADDR_COPY(mac, mac0); switch (opmode) { case IEEE80211_M_HOSTAP: + case IEEE80211_M_MBSS: if ((flags & IEEE80211_CLONE_MACADDR) == 0) assign_address(sc, mac, flags & IEEE80211_CLONE_BSSID); hvap = mwl_hal_newvap(mh, MWL_HAL_AP, mac); @@ -686,7 +688,7 @@ mwl_vap_create(struct ieee80211com *ic, vap->iv_key_delete = mwl_key_delete; vap->iv_key_set = mwl_key_set; #ifdef MWL_HOST_PS_SUPPORT - if (opmode == IEEE80211_M_HOSTAP) { + if (opmode == IEEE80211_M_HOSTAP || opmode == IEEE80211_M_MBSS) { vap->iv_update_ps = mwl_update_ps; mvp->mv_set_tim = vap->iv_set_tim; vap->iv_set_tim = mwl_set_tim; @@ -706,12 +708,14 @@ mwl_vap_create(struct ieee80211com *ic, switch (vap->iv_opmode) { case IEEE80211_M_HOSTAP: + case IEEE80211_M_MBSS: case IEEE80211_M_STA: /* * Setup sta db entry for local address. */ mwl_localstadb(vap); - if (vap->iv_opmode == IEEE80211_M_HOSTAP) + if (vap->iv_opmode == IEEE80211_M_HOSTAP || + vap->iv_opmode == IEEE80211_M_MBSS) sc->sc_napvaps++; else sc->sc_nstavaps++; @@ -753,11 +757,12 @@ mwl_vap_delete(struct ieee80211vap *vap) ieee80211_vap_detach(vap); switch (opmode) { case IEEE80211_M_HOSTAP: + case IEEE80211_M_MBSS: case IEEE80211_M_STA: KASSERT(hvap != NULL, ("no hal vap handle")); (void) mwl_hal_delstation(hvap, vap->iv_myaddr); mwl_hal_delvap(hvap); - if (opmode == IEEE80211_M_HOSTAP) + if (opmode == IEEE80211_M_HOSTAP || opmode == IEEE80211_M_MBSS) sc->sc_napvaps--; else sc->sc_nstavaps--; @@ -1281,6 +1286,7 @@ mwl_reset_vap(struct ieee80211vap *vap, int state) /* re-setup beacons */ if (state == IEEE80211_S_RUN && (vap->iv_opmode == IEEE80211_M_HOSTAP || + vap->iv_opmode == IEEE80211_M_MBSS || vap->iv_opmode == IEEE80211_M_IBSS)) { mwl_setapmode(vap, vap->iv_bss->ni_chan); mwl_hal_setnprotmode(hvap, @@ -4184,6 +4190,7 @@ mwl_localstadb(struct ieee80211vap *vap) mwl_setglobalkeys(vap); break; case IEEE80211_M_HOSTAP: + case IEEE80211_M_MBSS: error = mwl_hal_newstation(hvap, vap->iv_myaddr, 0, 0, NULL, vap->iv_flags & IEEE80211_F_WME, 0); if (error == 0) @@ -4248,7 +4255,8 @@ mwl_newstate(struct ieee80211vap *vap, enum ieee80211_state nstate, int arg) (void) mwl_peerstadb(ni, 0, 0, NULL); } else if (nstate == IEEE80211_S_CSA) { /* XXX move to below? */ - if (vap->iv_opmode == IEEE80211_M_HOSTAP) + if (vap->iv_opmode == IEEE80211_M_HOSTAP || + vap->iv_opmode == IEEE80211_M_MBSS) mwl_startcsa(vap); } else if (nstate == IEEE80211_S_CAC) { /* XXX move to below? */ @@ -4282,6 +4290,7 @@ mwl_newstate(struct ieee80211vap *vap, enum ieee80211_state nstate, int arg) mwl_localstadb(vap); switch (vap->iv_opmode) { case IEEE80211_M_HOSTAP: + case IEEE80211_M_MBSS: if (ostate == IEEE80211_S_CAC) { /* enable in-service radar detection */ mwl_hal_setradardetection(mh, diff --git a/sys/dev/ral/rt2560.c b/sys/dev/ral/rt2560.c index 7bb785c..455b5ad 100644 --- a/sys/dev/ral/rt2560.c +++ b/sys/dev/ral/rt2560.c @@ -285,6 +285,7 @@ rt2560_attach(device_t dev, int id) | IEEE80211_C_MONITOR /* monitor mode */ | IEEE80211_C_AHDEMO /* adhoc demo mode */ | IEEE80211_C_WDS /* 4-address traffic works */ + | IEEE80211_C_MBSS /* mesh point link mode */ | IEEE80211_C_SHPREAMBLE /* short preamble supported */ | IEEE80211_C_SHSLOT /* short slot time supported */ | IEEE80211_C_WPA /* capable of WPA1+WPA2 */ @@ -391,6 +392,8 @@ rt2560_vap_create(struct ieee80211com *ic, case IEEE80211_M_AHDEMO: case IEEE80211_M_MONITOR: case IEEE80211_M_HOSTAP: + case IEEE80211_M_MBSS: + /* XXXRP: TBD */ if (!TAILQ_EMPTY(&ic->ic_vaps)) { if_printf(ifp, "only 1 vap supported\n"); return NULL; @@ -811,7 +814,8 @@ rt2560_newstate(struct ieee80211vap *vap, enum ieee80211_state nstate, int arg) } if (vap->iv_opmode == IEEE80211_M_HOSTAP || - vap->iv_opmode == IEEE80211_M_IBSS) { + vap->iv_opmode == IEEE80211_M_IBSS || + vap->iv_opmode == IEEE80211_M_MBSS) { m = ieee80211_beacon_alloc(ni, &rvp->ral_bo); if (m == NULL) { if_printf(ifp, "could not allocate beacon\n"); @@ -1343,7 +1347,8 @@ rt2560_beacon_expire(struct rt2560_softc *sc) struct rt2560_tx_data *data; if (ic->ic_opmode != IEEE80211_M_IBSS && - ic->ic_opmode != IEEE80211_M_HOSTAP) + ic->ic_opmode != IEEE80211_M_HOSTAP && + ic->ic_opmode != IEEE80211_M_MBSS) return; data = &sc->bcnq.data[sc->bcnq.next]; @@ -2690,7 +2695,8 @@ rt2560_init_locked(struct rt2560_softc *sc) tmp = RT2560_DROP_PHY_ERROR | RT2560_DROP_CRC_ERROR; if (ic->ic_opmode != IEEE80211_M_MONITOR) { tmp |= RT2560_DROP_CTL | RT2560_DROP_VERSION_ERROR; - if (ic->ic_opmode != IEEE80211_M_HOSTAP) + if (ic->ic_opmode != IEEE80211_M_HOSTAP && + ic->ic_opmode != IEEE80211_M_MBSS) tmp |= RT2560_DROP_TODS; if (!(ifp->if_flags & IFF_PROMISC)) tmp |= RT2560_DROP_NOT_TO_ME; diff --git a/sys/dev/ral/rt2661.c b/sys/dev/ral/rt2661.c index 8b30c9b..9e6693f 100644 --- a/sys/dev/ral/rt2661.c +++ b/sys/dev/ral/rt2661.c @@ -287,6 +287,7 @@ rt2661_attach(device_t dev, int id) | IEEE80211_C_MONITOR /* monitor mode */ | IEEE80211_C_AHDEMO /* adhoc demo mode */ | IEEE80211_C_WDS /* 4-address traffic works */ + | IEEE80211_C_MBSS /* mesh point link mode */ | IEEE80211_C_SHPREAMBLE /* short preamble supported */ | IEEE80211_C_SHSLOT /* short slot time supported */ | IEEE80211_C_WPA /* capable of WPA1+WPA2 */ @@ -387,6 +388,8 @@ rt2661_vap_create(struct ieee80211com *ic, case IEEE80211_M_AHDEMO: case IEEE80211_M_MONITOR: case IEEE80211_M_HOSTAP: + case IEEE80211_M_MBSS: + /* XXXRP: TBD */ if (!TAILQ_EMPTY(&ic->ic_vaps)) { if_printf(ifp, "only 1 vap supported\n"); return NULL; @@ -818,7 +821,8 @@ rt2661_newstate(struct ieee80211vap *vap, enum ieee80211_state nstate, int arg) } if (vap->iv_opmode == IEEE80211_M_HOSTAP || - vap->iv_opmode == IEEE80211_M_IBSS) { + vap->iv_opmode == IEEE80211_M_IBSS || + vap->iv_opmode == IEEE80211_M_MBSS) { error = rt2661_prepare_beacon(sc, vap); if (error != 0) return error; @@ -2428,7 +2432,8 @@ rt2661_init_locked(struct rt2661_softc *sc) if (ic->ic_opmode != IEEE80211_M_MONITOR) { tmp |= RT2661_DROP_CTL | RT2661_DROP_VER_ERROR | RT2661_DROP_ACKCTS; - if (ic->ic_opmode != IEEE80211_M_HOSTAP) + if (ic->ic_opmode != IEEE80211_M_HOSTAP && + ic->ic_opmode != IEEE80211_M_MBSS) tmp |= RT2661_DROP_TODS; if (!(ifp->if_flags & IFF_PROMISC)) tmp |= RT2661_DROP_NOT_TO_ME; diff --git a/sys/i386/conf/GENERIC b/sys/i386/conf/GENERIC index 1baa581..02f5a36 100644 --- a/sys/i386/conf/GENERIC +++ b/sys/i386/conf/GENERIC @@ -270,6 +270,7 @@ device xe # Xircom pccard Ethernet device wlan # 802.11 support options IEEE80211_DEBUG # enable debug msgs options IEEE80211_AMPDU_AGE # age frames in AMPDU reorder q's +options IEEE80211_SUPPORT_MESH # enable 802.11s D3.0 support device wlan_wep # 802.11 WEP support device wlan_ccmp # 802.11 CCMP support device wlan_tkip # 802.11 TKIP support diff --git a/sys/net/if_media.h b/sys/net/if_media.h index 616d0cb..1db2766 100644 --- a/sys/net/if_media.h +++ b/sys/net/if_media.h @@ -217,6 +217,7 @@ uint64_t ifmedia_baudrate(int); #define IFM_IEEE80211_WDS 0x00000800 /* Operate in WDS mode */ #define IFM_IEEE80211_TURBO 0x00001000 /* Operate in turbo mode */ #define IFM_IEEE80211_MONITOR 0x00002000 /* Operate in monitor mode */ +#define IFM_IEEE80211_MBSS 0x00004000 /* Operate in MBSS mode */ /* operating mode for multi-mode devices */ #define IFM_IEEE80211_11A 0x00010000 /* 5Ghz, OFDM mode */ @@ -509,6 +510,7 @@ struct ifmedia_description { { IFM_IEEE80211_WDS, "wds" }, \ { IFM_IEEE80211_TURBO, "turbo" }, \ { IFM_IEEE80211_MONITOR, "monitor" }, \ + { IFM_IEEE80211_MBSS, "mesh" }, \ { 0, NULL }, \ } diff --git a/sys/net80211/_ieee80211.h b/sys/net80211/_ieee80211.h index 163e225..c488c00 100644 --- a/sys/net80211/_ieee80211.h +++ b/sys/net80211/_ieee80211.h @@ -83,8 +83,9 @@ enum ieee80211_opmode { IEEE80211_M_AHDEMO = 3, /* Old lucent compatible adhoc demo */ IEEE80211_M_HOSTAP = 4, /* Software Access Point */ IEEE80211_M_MONITOR = 5, /* Monitor mode */ + IEEE80211_M_MBSS = 6, /* MBSS (Mesh Point) link */ }; -#define IEEE80211_OPMODE_MAX (IEEE80211_M_MONITOR+1) +#define IEEE80211_OPMODE_MAX (IEEE80211_M_MBSS+1) /* * 802.11g/802.11n protection mode. diff --git a/sys/net80211/ieee80211.c b/sys/net80211/ieee80211.c index a887997..1cc4964 100644 --- a/sys/net80211/ieee80211.c +++ b/sys/net80211/ieee80211.c @@ -74,6 +74,9 @@ const int ieee80211_opcap[IEEE80211_OPMODE_MAX] = { [IEEE80211_M_AHDEMO] = IEEE80211_C_AHDEMO, [IEEE80211_M_HOSTAP] = IEEE80211_C_HOSTAP, [IEEE80211_M_MONITOR] = IEEE80211_C_MONITOR, +#ifdef IEEE80211_SUPPORT_MESH + [IEEE80211_M_MBSS] = IEEE80211_C_MBSS, +#endif }; static const uint8_t ieee80211broadcastaddr[IEEE80211_ADDR_LEN] = @@ -960,6 +963,8 @@ addmedia(struct ifmedia *media, int caps, int addsta, int mode, int mword) ADD(media, mword, mopt | IFM_IEEE80211_MONITOR); if (caps & IEEE80211_C_WDS) ADD(media, mword, mopt | IFM_IEEE80211_WDS); + if (caps & IEEE80211_C_MBSS) + ADD(media, mword, mopt | IFM_IEEE80211_MBSS); #undef ADD } @@ -1264,6 +1269,9 @@ media_status(enum ieee80211_opmode opmode, const struct ieee80211_channel *chan) case IEEE80211_M_WDS: status |= IFM_IEEE80211_WDS; break; + case IEEE80211_M_MBSS: + status |= IFM_IEEE80211_MBSS; + break; } if (IEEE80211_IS_CHAN_HTA(chan)) { status |= IFM_IEEE80211_11NA; diff --git a/sys/net80211/ieee80211.h b/sys/net80211/ieee80211.h index d1c7658..5ddca24 100644 --- a/sys/net80211/ieee80211.h +++ b/sys/net80211/ieee80211.h @@ -185,6 +185,7 @@ struct ieee80211_qosframe_addr4 { (IEEE80211_SEQ_SUB(b, a+1) < IEEE80211_SEQ_BA_RANGE-1) #define IEEE80211_NWID_LEN 32 +#define IEEE80211_MESHID_LEN 32 #define IEEE80211_QOS_TXOP 0x00ff /* bit 8 is reserved */ @@ -705,6 +706,30 @@ enum { IEEE80211_ELEMID_TPC = 150, IEEE80211_ELEMID_CCKM = 156, IEEE80211_ELEMID_VENDOR = 221, /* vendor private */ + + /* + * 802.11s IEs based on D3.0 spec and were not assigned by + * ANA. Beware changing them because some of them are being + * kept compatible with Linux. + */ + IEEE80211_ELEMID_MESHCONF = 51, + IEEE80211_ELEMID_MESHID = 52, + IEEE80211_ELEMID_MESHLINK = 35, + IEEE80211_ELEMID_MESHCNGST = 36, + IEEE80211_ELEMID_MESHPEER = 55, + IEEE80211_ELEMID_MESHCSA = 38, + IEEE80211_ELEMID_MESHTIM = 39, + IEEE80211_ELEMID_MESHAWAKEW = 40, + IEEE80211_ELEMID_MESHBEACONT = 41, + IEEE80211_ELEMID_MESHPANN = 48, + IEEE80211_ELEMID_MESHRANN = 49, + IEEE80211_ELEMID_MESHPREQ = 68, + IEEE80211_ELEMID_MESHPREP = 69, + IEEE80211_ELEMID_MESHPERR = 70, + IEEE80211_ELEMID_MESHPU = 53, + IEEE80211_ELEMID_MESHPUC = 54, + IEEE80211_ELEMID_MESHAH = 60, /* Abbreviated Handshake */ + IEEE80211_ELEMID_MESHPEERVER = 80, /* Peering Protocol Version */ }; struct ieee80211_tim_ie { @@ -890,6 +915,17 @@ enum { IEEE80211_REASON_SETUP_NEEDED = 38, /* 11e */ IEEE80211_REASON_TIMEOUT = 39, /* 11e */ + /* values not yet allocated by ANA */ + IEEE80211_REASON_PEER_LINK_CANCELED = 2, /* 11s */ + IEEE80211_REASON_MESH_MAX_PEERS = 3, /* 11s */ + IEEE80211_REASON_MESH_CPVIOLATION = 4, /* 11s */ + IEEE80211_REASON_MESH_CLOSE_RCVD = 5, /* 11s */ + IEEE80211_REASON_MESH_MAX_RETRIES = 6, /* 11s */ + IEEE80211_REASON_MESH_CONFIRM_TIMEOUT = 7, /* 11s */ + IEEE80211_REASON_MESH_INVALID_GTK = 8, /* 11s */ + IEEE80211_REASON_MESH_INCONS_PARAMS = 9, /* 11s */ + IEEE80211_REASON_MESH_INVALID_SECURITY = 10, /* 11s */ + IEEE80211_STATUS_SUCCESS = 0, IEEE80211_STATUS_UNSPECIFIED = 1, IEEE80211_STATUS_CAPINFO = 10, diff --git a/sys/net80211/ieee80211_action.c b/sys/net80211/ieee80211_action.c index a694d25..5371f6e 100644 --- a/sys/net80211/ieee80211_action.c +++ b/sys/net80211/ieee80211_action.c @@ -47,6 +47,7 @@ __FBSDID("$FreeBSD$"); #include <net80211/ieee80211_var.h> #include <net80211/ieee80211_action.h> +#include <net80211/ieee80211_mesh.h> static int send_inval(struct ieee80211_node *ni, int cat, int act, void *sa) @@ -62,8 +63,6 @@ static ieee80211_send_action_func *ht_send_action[8] = { send_inval, send_inval, send_inval, send_inval, send_inval, send_inval, send_inval, send_inval, }; -/* NB: temporary until 802.11s support is added */ -#ifdef IEEE80211_ACTION_CAT_MESHPEERING static ieee80211_send_action_func *meshpl_send_action[8] = { send_inval, send_inval, send_inval, send_inval, send_inval, send_inval, send_inval, send_inval, @@ -75,7 +74,6 @@ static ieee80211_send_action_func *hwmp_send_action[8] = { send_inval, send_inval, send_inval, send_inval, send_inval, send_inval, send_inval, send_inval, }; -#endif static ieee80211_send_action_func *vendor_send_action[8] = { send_inval, send_inval, send_inval, send_inval, send_inval, send_inval, send_inval, send_inval, @@ -96,7 +94,6 @@ ieee80211_send_action_register(int cat, int act, ieee80211_send_action_func *f) break; ht_send_action[act] = f; return 0; -#ifdef IEEE80211_ACTION_CAT_MESHPEERING case IEEE80211_ACTION_CAT_MESHPEERING: if (act >= N(meshpl_send_action)) break; @@ -112,7 +109,6 @@ ieee80211_send_action_register(int cat, int act, ieee80211_send_action_func *f) break; hwmp_send_action[act] = f; return 0; -#endif case IEEE80211_ACTION_CAT_VENDOR: if (act >= N(vendor_send_action)) break; @@ -144,7 +140,6 @@ ieee80211_send_action(struct ieee80211_node *ni, int cat, int act, void *sa) if (act < N(ht_send_action)) f = ht_send_action[act]; break; -#ifdef IEEE80211_ACTION_CAT_MESHPEERING case IEEE80211_ACTION_CAT_MESHPEERING: if (act < N(meshpl_send_action)) f = meshpl_send_action[act]; @@ -157,7 +152,6 @@ ieee80211_send_action(struct ieee80211_node *ni, int cat, int act, void *sa) if (act < N(hwmp_send_action)) f = hwmp_send_action[act]; break; -#endif case IEEE80211_ACTION_CAT_VENDOR: if (act < N(vendor_send_action)) f = vendor_send_action[act]; @@ -182,7 +176,6 @@ static ieee80211_recv_action_func *ht_recv_action[8] = { recv_inval, recv_inval, recv_inval, recv_inval, recv_inval, recv_inval, recv_inval, recv_inval, }; -#ifdef IEEE80211_ACTION_CAT_MESHPEERING static ieee80211_recv_action_func *meshpl_recv_action[8] = { recv_inval, recv_inval, recv_inval, recv_inval, recv_inval, recv_inval, recv_inval, recv_inval, @@ -194,7 +187,6 @@ static ieee80211_recv_action_func *hwmp_recv_action[8] = { recv_inval, recv_inval, recv_inval, recv_inval, recv_inval, recv_inval, recv_inval, recv_inval, }; -#endif static ieee80211_recv_action_func *vendor_recv_action[8] = { recv_inval, recv_inval, recv_inval, recv_inval, recv_inval, recv_inval, recv_inval, recv_inval, @@ -215,7 +207,6 @@ ieee80211_recv_action_register(int cat, int act, ieee80211_recv_action_func *f) break; ht_recv_action[act] = f; return 0; -#ifdef IEEE80211_ACTION_CAT_MESHPEERING case IEEE80211_ACTION_CAT_MESHPEERING: if (act >= N(meshpl_recv_action)) break; @@ -231,7 +222,6 @@ ieee80211_recv_action_register(int cat, int act, ieee80211_recv_action_func *f) break; hwmp_recv_action[act] = f; return 0; -#endif case IEEE80211_ACTION_CAT_VENDOR: if (act >= N(vendor_recv_action)) break; @@ -267,7 +257,6 @@ ieee80211_recv_action(struct ieee80211_node *ni, if (ia->ia_action < N(ht_recv_action)) f = ht_recv_action[ia->ia_action]; break; -#ifdef IEEE80211_ACTION_CAT_MESHPEERING case IEEE80211_ACTION_CAT_MESHPEERING: if (ia->ia_action < N(meshpl_recv_action)) f = meshpl_recv_action[ia->ia_action]; @@ -280,7 +269,6 @@ ieee80211_recv_action(struct ieee80211_node *ni, if (ia->ia_action < N(hwmp_recv_action)) f = hwmp_recv_action[ia->ia_action]; break; -#endif case IEEE80211_ACTION_CAT_VENDOR: if (ia->ia_action < N(vendor_recv_action)) f = vendor_recv_action[ia->ia_action]; diff --git a/sys/net80211/ieee80211_ddb.c b/sys/net80211/ieee80211_ddb.c index 6d70930..57447d5 100644 --- a/sys/net80211/ieee80211_ddb.c +++ b/sys/net80211/ieee80211_ddb.c @@ -50,6 +50,9 @@ __FBSDID("$FreeBSD$"); #ifdef IEEE80211_SUPPORT_TDMA #include <net80211/ieee80211_tdma.h> #endif +#ifdef IEEE80211_SUPPORT_MESH +#include <net80211/ieee80211_mesh.h> +#endif #include <ddb/ddb.h> #include <ddb/db_sym.h> @@ -75,7 +78,11 @@ static void _db_show_roamparams(const char *tag, const void *arg, const struct ieee80211_roamparam *rp); static void _db_show_txparams(const char *tag, const void *arg, const struct ieee80211_txparam *tp); +static void _db_show_ageq(const char *tag, const struct ieee80211_ageq *q); static void _db_show_stats(const struct ieee80211_stats *); +#ifdef IEEE80211_SUPPORT_MESH +static void _db_show_mesh(const struct ieee80211_mesh_state *); +#endif DB_SHOW_COMMAND(sta, db_show_sta) { @@ -178,6 +185,20 @@ DB_SHOW_ALL_COMMAND(vaps, db_show_all_vaps) } } +#ifdef IEEE80211_SUPPORT_MESH +DB_SHOW_ALL_COMMAND(mesh, db_show_mesh) +{ + const struct ieee80211_mesh_state *ms; + + if (!have_addr) { + db_printf("usage: show mesh <addr>\n"); + return; + } + ms = (const struct ieee80211_mesh_state *) addr; + _db_show_mesh(ms); +} +#endif /* IEEE80211_SUPPORT_MESH */ + static void _db_show_txampdu(const char *sep, int ix, const struct ieee80211_tx_ampdu *tap) { @@ -283,7 +304,12 @@ _db_show_sta(const struct ieee80211_node *ni) db_printf("\tinact %u inact_reload %u txrate %u\n", ni->ni_inact, ni->ni_inact_reload, ni->ni_txrate); - /* XXX wdsq */ +#ifdef IEEE80211_SUPPORT_MESH + _db_show_ssid("\tmeshid ", 0, ni->ni_meshidlen, ni->ni_meshid); + db_printf(" mlstate %b mllid 0x%x mlpid 0x%x mlrcnt %u mltval %u\n", + ni->ni_mlstate, IEEE80211_MESH_MLSTATE_BITS, + ni->ni_mllid, ni->ni_mlpid, ni->ni_mlrcnt, ni->ni_mltval); +#endif } #ifdef IEEE80211_SUPPORT_TDMA @@ -563,10 +589,13 @@ _db_show_com(const struct ieee80211com *ic, int showvaps, int showsta, int showp db_printf("\n"); db_printf("\tmax_keyix %d", ic->ic_max_keyix); + db_printf(" hash_key 0x%x", ic->ic_hash_key); db_printf(" wme %p", &ic->ic_wme); if (!showsta) db_printf(" sta %p", &ic->ic_sta); db_printf("\n"); + db_printf("\tstageq@%p:\n", &ic->ic_stageq); + _db_show_ageq("\t", &ic->ic_stageq); if (showsta) _db_show_node_table("\t", &ic->ic_sta); @@ -643,16 +672,16 @@ _db_show_node_table(const char *tag, const struct ieee80211_node_table *nt) int i; db_printf("%s%s@%p:\n", tag, nt->nt_name, nt); - db_printf("%s nodelock %p", tag, &nt->nt_nodelock); + db_printf("%s nodelock %p", tag, &nt->nt_nodelock); db_printf(" inact_init %d", nt->nt_inact_init); db_printf(" scanlock %p", &nt->nt_scanlock); db_printf(" scangen %u\n", nt->nt_scangen); - db_printf("%s keyixmax %d keyixmap %p\n", + db_printf("%s keyixmax %d keyixmap %p\n", tag, nt->nt_keyixmax, nt->nt_keyixmap); for (i = 0; i < nt->nt_keyixmax; i++) { const struct ieee80211_node *ni = nt->nt_keyixmap[i]; if (ni != NULL) - db_printf("%s [%3u] %p %s\n", tag, i, ni, + db_printf("%s [%3u] %p %s\n", tag, i, ni, ether_sprintf(ni->ni_macaddr)); } } @@ -810,7 +839,43 @@ _db_show_txparams(const char *tag, const void *arg, } static void +_db_show_ageq(const char *tag, const struct ieee80211_ageq *q) +{ + const struct mbuf *m; + + db_printf("%s lock %p len %d maxlen %d drops %d head %p tail %p\n", + tag, &q->aq_lock, q->aq_len, q->aq_maxlen, q->aq_drops, + q->aq_head, q->aq_tail); + for (m = q->aq_head; m != NULL; m = m->m_nextpkt) + db_printf("%s %p (len %d, %b)\n", tag, m, m->m_len, + /* XXX could be either TX or RX but is mostly TX */ + m->m_flags, IEEE80211_MBUF_TX_FLAG_BITS); +} + +static void _db_show_stats(const struct ieee80211_stats *is) { } + +#ifdef IEEE80211_SUPPORT_MESH +static void +_db_show_mesh(const struct ieee80211_mesh_state *ms) +{ + struct ieee80211_mesh_route *rt; + int i; + + _db_show_ssid(" meshid ", 0, ms->ms_idlen, ms->ms_id); + db_printf("nextseq %u ttl %u flags 0x%x\n", ms->ms_seq, + ms->ms_ttl, ms->ms_flags); + db_printf("routing table:\n"); + i = 0; + TAILQ_FOREACH(rt, &ms->ms_routes, rt_next) { + db_printf("entry %d:\tdest: %6D nexthop: %6D metric: %u", i, + rt->rt_dest, ":", rt->rt_nexthop, ":", rt->rt_metric); + db_printf("\tlifetime: %u lastseq: %u priv: %p\n", + rt->rt_lifetime, rt->rt_lastmseq, rt->rt_priv); + i++; + } +} +#endif /* IEEE80211_SUPPORT_MESH */ #endif /* DDB */ diff --git a/sys/net80211/ieee80211_freebsd.h b/sys/net80211/ieee80211_freebsd.h index f3a224c..6a8875a 100644 --- a/sys/net80211/ieee80211_freebsd.h +++ b/sys/net80211/ieee80211_freebsd.h @@ -209,6 +209,19 @@ struct mbuf *ieee80211_getmgtframe(uint8_t **frm, int headroom, int pktlen); #define M_AMPDU_MPDU M_PROTO8 /* A-MPDU re-order done */ #endif #define M_80211_RX (M_AMPDU|M_WEP|M_AMPDU_MPDU) + +#define IEEE80211_MBUF_TX_FLAG_BITS \ + "\20\1M_EXT\2M_PKTHDR\3M_EOR\4M_RDONLY\5M_ENCAP\6M_WEP\7M_EAPOL" \ + "\10M_PWR_SAV\11M_MORE_DATA\12M_BCAST\13M_MCAST\14M_FRAG\15M_FIRSTFRAG" \ + "\16M_LASTFRAG\17M_SKIP_FIREWALL\20M_FREELIST\21M_VLANTAG\22M_PROMISC" \ + "\23M_NOFREE\24M_FF\25M_TXCB\26M_AMPDU_MPDU\27M_FLOWID" + +#define IEEE80211_MBUF_RX_FLAG_BITS \ + "\20\1M_EXT\2M_PKTHDR\3M_EOR\4M_RDONLY\5M_AMPDU\6M_WEP\7M_PROTO3" \ + "\10M_PROTO4\11M_PROTO5\12M_BCAST\13M_MCAST\14M_FRAG\15M_FIRSTFRAG" \ + "\16M_LASTFRAG\17M_SKIP_FIREWALL\20M_FREELIST\21M_VLANTAG\22M_PROMISC" \ + "\23M_NOFREE\24M_PROTO6\25M_PROTO7\26M_AMPDU_MPDU\27M_FLOWID" + /* * Store WME access control bits in the vlan tag. * This is safe since it's done after the packet is classified diff --git a/sys/net80211/ieee80211_hwmp.c b/sys/net80211/ieee80211_hwmp.c new file mode 100644 index 0000000..5a36959 --- /dev/null +++ b/sys/net80211/ieee80211_hwmp.c @@ -0,0 +1,1389 @@ +/*- + * Copyright (c) 2009 The FreeBSD Foundation + * All rights reserved. + * + * This software was developed by Rui Paulo under sponsorship from the + * FreeBSD Foundation. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ +#include <sys/cdefs.h> +#ifdef __FreeBSD__ +__FBSDID("$FreeBSD$"); +#endif + +/* + * IEEE 802.11s Hybrid Wireless Mesh Protocol, HWMP. + * + * Based on March 2009, D3.0 802.11s draft spec. + */ +#include "opt_inet.h" +#include "opt_wlan.h" + +#include <sys/param.h> +#include <sys/systm.h> +#include <sys/mbuf.h> +#include <sys/malloc.h> +#include <sys/kernel.h> + +#include <sys/socket.h> +#include <sys/sockio.h> +#include <sys/endian.h> +#include <sys/errno.h> +#include <sys/proc.h> +#include <sys/sysctl.h> + +#include <net/if.h> +#include <net/if_media.h> +#include <net/if_llc.h> +#include <net/ethernet.h> + +#include <net/bpf.h> + +#include <net80211/ieee80211_var.h> +#include <net80211/ieee80211_action.h> +#include <net80211/ieee80211_input.h> +#include <net80211/ieee80211_mesh.h> + +static void hwmp_vattach(struct ieee80211vap *); +static void hwmp_vdetach(struct ieee80211vap *); +static int hwmp_newstate(struct ieee80211vap *, + enum ieee80211_state, int); +static int hwmp_send_action(struct ieee80211_node *, + const uint8_t [IEEE80211_ADDR_LEN], + const uint8_t [IEEE80211_ADDR_LEN], + uint8_t *, size_t); +static uint8_t * hwmp_add_meshpreq(uint8_t *, + const struct ieee80211_meshpreq_ie *); +static uint8_t * hwmp_add_meshprep(uint8_t *, + const struct ieee80211_meshprep_ie *); +static uint8_t * hwmp_add_meshperr(uint8_t *, + const struct ieee80211_meshperr_ie *); +static uint8_t * hwmp_add_meshrann(uint8_t *, + const struct ieee80211_meshrann_ie *); +static void hwmp_rootmode_setup(struct ieee80211vap *); +static void hwmp_rootmode_cb(void *); +static void hwmp_rootmode_rann_cb(void *); +static void hwmp_recv_preq(struct ieee80211vap *, struct ieee80211_node *, + const struct ieee80211_frame *, + const struct ieee80211_meshpreq_ie *); +static int hwmp_send_preq(struct ieee80211_node *, + const uint8_t [IEEE80211_ADDR_LEN], + const uint8_t [IEEE80211_ADDR_LEN], + struct ieee80211_meshpreq_ie *); +static void hwmp_recv_prep(struct ieee80211vap *, struct ieee80211_node *, + const struct ieee80211_frame *, + const struct ieee80211_meshprep_ie *); +static int hwmp_send_prep(struct ieee80211_node *, + const uint8_t [IEEE80211_ADDR_LEN], + const uint8_t [IEEE80211_ADDR_LEN], + struct ieee80211_meshprep_ie *); +static void hwmp_recv_perr(struct ieee80211vap *, struct ieee80211_node *, + const struct ieee80211_frame *, + const struct ieee80211_meshperr_ie *); +static int hwmp_send_perr(struct ieee80211_node *, + const uint8_t [IEEE80211_ADDR_LEN], + const uint8_t [IEEE80211_ADDR_LEN], + struct ieee80211_meshperr_ie *); +static void hwmp_recv_rann(struct ieee80211vap *, struct ieee80211_node *, + const struct ieee80211_frame *, + const struct ieee80211_meshrann_ie *); +static int hwmp_send_rann(struct ieee80211_node *, + const uint8_t [IEEE80211_ADDR_LEN], + const uint8_t [IEEE80211_ADDR_LEN], + struct ieee80211_meshrann_ie *); +static struct ieee80211_node * + hwmp_discover(struct ieee80211vap *, + const uint8_t [IEEE80211_ADDR_LEN], struct mbuf *); +static void hwmp_peerdown(struct ieee80211_node *); + +static int ieee80211_hwmp_targetonly = 0; +static int ieee80211_hwmp_replyforward = 1; +static const int ieee80211_hwmp_maxprepretries = 3; +static const struct timeval ieee80211_hwmp_maxhopstime = { 0, 500000 }; +static const struct timeval ieee80211_hwmp_preqminint = { 0, 100000 }; +static const struct timeval ieee80211_hwmp_prepminint = { 0, 100000 }; +static const struct timeval ieee80211_hwmp_perrminint = { 0, 100000 }; +static const struct timeval ieee80211_hwmp_roottimeout = { 5, 0 }; +static const struct timeval ieee80211_hwmp_pathtimeout = { 5, 0 }; +static const struct timeval ieee80211_hwmp_pathtoroottimeout = { 5, 0 }; +static const struct timeval ieee80211_hwmp_rootint = { 2, 0 }; +static const struct timeval ieee80211_hwmp_rannint = { 1, 0 }; +static const struct timeval ieee80211_hwmp_pathmaintenanceint = { 2, 0 }; +static const struct timeval ieee80211_hwmp_confirmint = { 2, 0 }; + +#define timeval2msecs(tv) (tv.tv_sec * 1000 + tv.tv_usec / 1000) + +#define HWMP_ROOTMODEINT msecs_to_ticks(timeval2msecs(ieee80211_hwmp_rootint)) +#define HWMP_RANNMODEINT msecs_to_ticks(timeval2msecs(ieee80211_hwmp_rannint)) + +/* unalligned little endian access */ +#define LE_WRITE_2(p, v) do { \ + ((uint8_t *)(p))[0] = (v) & 0xff; \ + ((uint8_t *)(p))[1] = ((v) >> 8) & 0xff; \ +} while (0) +#define LE_WRITE_4(p, v) do { \ + ((uint8_t *)(p))[0] = (v) & 0xff; \ + ((uint8_t *)(p))[1] = ((v) >> 8) & 0xff; \ + ((uint8_t *)(p))[2] = ((v) >> 16) & 0xff; \ + ((uint8_t *)(p))[3] = ((v) >> 24) & 0xff; \ +} while (0) + + +/* NB: the Target Address set in a Proactive PREQ is the broadcast address. */ +static const uint8_t broadcastaddr[IEEE80211_ADDR_LEN] = + { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }; +static const uint8_t invalidaddr[IEEE80211_ADDR_LEN] = + { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }; + +typedef uint32_t ieee80211_hwmp_seq; +#define IEEE80211_HWMP_SEQ_LEQ(a, b) ((int32_t)((a)-(b)) <= 0) +#define IEEE80211_HWMP_SEQ_GEQ(a, b) ((int32_t)((a)-(b)) >= 0) + +/* + * Private extension of ieee80211_mesh_route. + */ +struct ieee80211_hwmp_route { + ieee80211_hwmp_seq hr_seq; /* HWMP sequence number */ + ieee80211_hwmp_seq hr_preqid; /* Last PREQ ID seen */ + int hr_preqretries; +}; +struct ieee80211_hwmp_state { + ieee80211_hwmp_seq hs_seq; /* next seq to be used */ + ieee80211_hwmp_seq hs_preqid; /* next PREQ ID to be used */ + struct timeval hs_lastpreq; /* last time we sent a PREQ */ + struct timeval hs_lastprep; /* last time we sent a PREP */ + struct timeval hs_lastperr; /* last time we sent a PERR */ + int hs_rootmode; /* proactive HWMP */ + struct callout hs_roottimer; + uint8_t hs_maxhops; /* max hop count */ +}; + +SYSCTL_NODE(_net_wlan, OID_AUTO, hwmp, CTLFLAG_RD, 0, + "IEEE 802.11s HWMP parameters"); +SYSCTL_INT(_net_wlan_hwmp, OID_AUTO, targetonly, CTLTYPE_INT | CTLFLAG_RW, + &ieee80211_hwmp_targetonly, 0, "Set TO bit on generated PREQs"); +SYSCTL_INT(_net_wlan_hwmp, OID_AUTO, replyforward, CTLTYPE_INT | CTLFLAG_RW, + &ieee80211_hwmp_replyforward, 0, "Set RF bit on generated PREQs"); + +#define IEEE80211_HWMP_DEFAULT_MAXHOPS 31 + +static ieee80211_recv_action_func hwmp_recv_action_meshpath_preq; +static ieee80211_recv_action_func hwmp_recv_action_meshpath_prep; +static ieee80211_recv_action_func hwmp_recv_action_meshpath_perr; +static ieee80211_recv_action_func hwmp_recv_action_meshpath_rann; + +static const struct ieee80211_mesh_proto_path mesh_proto_hwmp = { + .mpp_descr = "HWMP", + .mpp_ie = IEEE80211_MESHCONF_HWMP, + .mpp_discover = hwmp_discover, + .mpp_peerdown = hwmp_peerdown, + .mpp_vattach = hwmp_vattach, + .mpp_vdetach = hwmp_vdetach, + .mpp_newstate = hwmp_newstate, + .mpp_privlen = sizeof(struct ieee80211_hwmp_route), +}; + + +static void +ieee80211_hwmp_init(void) +{ + /* + * Register action frame handlers. + */ + ieee80211_recv_action_register(IEEE80211_ACTION_CAT_MESHPATH, + IEEE80211_ACTION_MESHPATH_REQ, hwmp_recv_action_meshpath_preq); + ieee80211_recv_action_register(IEEE80211_ACTION_CAT_MESHPATH, + IEEE80211_ACTION_MESHPATH_REP, hwmp_recv_action_meshpath_prep); + ieee80211_recv_action_register(IEEE80211_ACTION_CAT_MESHPATH, + IEEE80211_ACTION_MESHPATH_ERR, hwmp_recv_action_meshpath_perr); + ieee80211_recv_action_register(IEEE80211_ACTION_CAT_MESHPATH, + IEEE80211_ACTION_MESHPATH_RANN, hwmp_recv_action_meshpath_rann); + + /* + * Register HWMP. + */ + ieee80211_mesh_register_proto_path(&mesh_proto_hwmp); +} +SYSINIT(wlan_hwmp, SI_SUB_DRIVERS, SI_ORDER_SECOND, ieee80211_hwmp_init, NULL); + +void +hwmp_vattach(struct ieee80211vap *vap) +{ + struct ieee80211_hwmp_state *hs; + + KASSERT(vap->iv_opmode == IEEE80211_M_MBSS, + ("not a mesh vap, opmode %d", vap->iv_opmode)); + + hs = malloc(sizeof(struct ieee80211_hwmp_state), M_80211_VAP, + M_NOWAIT | M_ZERO); + if (hs == NULL) { + printf("%s: couldn't alloc HWMP state\n", __func__); + return; + } + hs->hs_maxhops = IEEE80211_HWMP_DEFAULT_MAXHOPS; + callout_init(&hs->hs_roottimer, CALLOUT_MPSAFE); + vap->iv_hwmp = hs; +} + +void +hwmp_vdetach(struct ieee80211vap *vap) +{ + struct ieee80211_hwmp_state *hs = vap->iv_hwmp; + + if (callout_active(&hs->hs_roottimer)) + callout_drain(&hs->hs_roottimer); + free(vap->iv_hwmp, M_80211_VAP); + vap->iv_hwmp = NULL; +} + +int +hwmp_newstate(struct ieee80211vap *vap, enum ieee80211_state ostate, int arg) +{ + enum ieee80211_state nstate = vap->iv_state; + struct ieee80211_hwmp_state *hs = vap->iv_hwmp; + + IEEE80211_DPRINTF(vap, IEEE80211_MSG_STATE, "%s: %s -> %s (%d)\n", + __func__, ieee80211_state_name[ostate], + ieee80211_state_name[nstate], arg); + + /* Flush the table on RUN -> !RUN, e.g. interface down & up */ + if (nstate != IEEE80211_S_RUN && ostate == IEEE80211_S_RUN) + callout_drain(&hs->hs_roottimer); + return 0; +} + +static int +hwmp_recv_action_meshpath_preq(struct ieee80211_node *ni, + const struct ieee80211_frame *wh, + const uint8_t *frm, const uint8_t *efrm) +{ + struct ieee80211vap *vap = ni->ni_vap; + struct ieee80211_meshpreq_ie preq; + const uint8_t *iefrm = frm + 2; /* action + code */ + + while (efrm - iefrm > 1) { + IEEE80211_VERIFY_LENGTH(efrm - iefrm, iefrm[1] + 2, return 0); + if (*iefrm == IEEE80211_ELEMID_MESHPREQ) { + const struct ieee80211_meshpreq_ie *mpreq = + (const struct ieee80211_meshpreq_ie *) iefrm; + /* XXX > 1 target */ + if (mpreq->preq_len != + sizeof(struct ieee80211_meshpreq_ie) - 2) { + IEEE80211_DISCARD(vap, + IEEE80211_MSG_ACTION | IEEE80211_MSG_HWMP, + wh, NULL, "%s", "PREQ with wrong len"); + vap->iv_stats.is_rx_mgtdiscard++; + return 1; + } + memcpy(&preq, mpreq, sizeof(preq)); + preq.preq_id = LE_READ_4(&mpreq->preq_id); + preq.preq_origseq = LE_READ_4(&mpreq->preq_origseq); + preq.preq_lifetime = LE_READ_4(&mpreq->preq_lifetime); + preq.preq_metric = LE_READ_4(&mpreq->preq_metric); + preq.preq_targets[0].target_seq = + LE_READ_4(&mpreq->preq_targets[0].target_seq); + hwmp_recv_preq(vap, ni, wh, &preq); + return 0; + } + iefrm += iefrm[1] + 2; + } + IEEE80211_DISCARD(vap, IEEE80211_MSG_ACTION | IEEE80211_MSG_HWMP, + wh, NULL, "%s", "PREQ without IE"); + vap->iv_stats.is_rx_mgtdiscard++; + return 0; +} + +static int +hwmp_recv_action_meshpath_prep(struct ieee80211_node *ni, + const struct ieee80211_frame *wh, + const uint8_t *frm, const uint8_t *efrm) +{ + struct ieee80211vap *vap = ni->ni_vap; + struct ieee80211_meshprep_ie prep; + const uint8_t *iefrm = frm + 2; /* action + code */ + + while (efrm - iefrm > 1) { + IEEE80211_VERIFY_LENGTH(efrm - iefrm, iefrm[1] + 2, return 0); + if (*iefrm == IEEE80211_ELEMID_MESHPREP) { + const struct ieee80211_meshprep_ie *mprep = + (const struct ieee80211_meshprep_ie *) iefrm; + if (mprep->prep_len != + sizeof(struct ieee80211_meshprep_ie) - 2) { + IEEE80211_DISCARD(vap, + IEEE80211_MSG_ACTION | IEEE80211_MSG_HWMP, + wh, NULL, "%s", "PREP with wrong len"); + vap->iv_stats.is_rx_mgtdiscard++; + return 1; + } + memcpy(&prep, mprep, sizeof(prep)); + prep.prep_targetseq = LE_READ_4(&mprep->prep_targetseq); + prep.prep_lifetime = LE_READ_4(&mprep->prep_lifetime); + prep.prep_metric = LE_READ_4(&mprep->prep_metric); + prep.prep_origseq = LE_READ_4(&mprep->prep_origseq); + hwmp_recv_prep(vap, ni, wh, &prep); + return 0; + } + iefrm += iefrm[1] + 2; + } + IEEE80211_DISCARD(vap, IEEE80211_MSG_ACTION | IEEE80211_MSG_HWMP, + wh, NULL, "%s", "PREP without IE"); + vap->iv_stats.is_rx_mgtdiscard++; + return 0; +} + +static int +hwmp_recv_action_meshpath_perr(struct ieee80211_node *ni, + const struct ieee80211_frame *wh, + const uint8_t *frm, const uint8_t *efrm) +{ + struct ieee80211_meshperr_ie perr; + struct ieee80211vap *vap = ni->ni_vap; + const uint8_t *iefrm = frm + 2; /* action + code */ + + while (efrm - iefrm > 1) { + IEEE80211_VERIFY_LENGTH(efrm - iefrm, iefrm[1] + 2, return 0); + if (*iefrm == IEEE80211_ELEMID_MESHPERR) { + const struct ieee80211_meshperr_ie *mperr = + (const struct ieee80211_meshperr_ie *) iefrm; + /* XXX > 1 target */ + if (mperr->perr_len != + sizeof(struct ieee80211_meshperr_ie) - 2) { + IEEE80211_DISCARD(vap, + IEEE80211_MSG_ACTION | IEEE80211_MSG_HWMP, + wh, NULL, "%s", "PERR with wrong len"); + vap->iv_stats.is_rx_mgtdiscard++; + return 1; + } + memcpy(&perr, mperr, sizeof(perr)); + perr.perr_dests[0].dest_seq = + LE_READ_4(&mperr->perr_dests[0].dest_seq); + hwmp_recv_perr(vap, ni, wh, &perr); + return 0; + } + iefrm += iefrm[1] + 2; + } + IEEE80211_DISCARD(vap, IEEE80211_MSG_ACTION | IEEE80211_MSG_HWMP, + wh, NULL, "%s", "PERR without IE"); + vap->iv_stats.is_rx_mgtdiscard++; + return 0; +} + +static int +hwmp_recv_action_meshpath_rann(struct ieee80211_node *ni, + const struct ieee80211_frame *wh, + const uint8_t *frm, const uint8_t *efrm) +{ + struct ieee80211vap *vap = ni->ni_vap; + struct ieee80211_meshrann_ie rann; + const uint8_t *iefrm = frm + 2; /* action + code */ + + while (efrm - iefrm > 1) { + IEEE80211_VERIFY_LENGTH(efrm - iefrm, iefrm[1] + 2, return 0); + if (*iefrm == IEEE80211_ELEMID_MESHRANN) { + const struct ieee80211_meshrann_ie *mrann = + (const struct ieee80211_meshrann_ie *) iefrm; + if (mrann->rann_len != + sizeof(struct ieee80211_meshrann_ie) - 2) { + IEEE80211_DISCARD(vap, + IEEE80211_MSG_ACTION | IEEE80211_MSG_HWMP, + wh, NULL, "%s", "RAN with wrong len"); + vap->iv_stats.is_rx_mgtdiscard++; + return 1; + } + memcpy(&rann, mrann, sizeof(rann)); + rann.rann_seq = LE_READ_4(&mrann->rann_seq); + rann.rann_metric = LE_READ_4(&mrann->rann_metric); + hwmp_recv_rann(vap, ni, wh, &rann); + return 0; + } + iefrm += iefrm[1] + 2; + } + IEEE80211_DISCARD(vap, IEEE80211_MSG_ACTION | IEEE80211_MSG_HWMP, + wh, NULL, "%s", "RANN without IE"); + vap->iv_stats.is_rx_mgtdiscard++; + return 0; +} + +static int +hwmp_send_action(struct ieee80211_node *ni, + const uint8_t sa[IEEE80211_ADDR_LEN], + const uint8_t da[IEEE80211_ADDR_LEN], + uint8_t *ie, size_t len) +{ + struct ieee80211vap *vap = ni->ni_vap; + struct ieee80211com *ic = ni->ni_ic; + struct ieee80211_bpf_params params; + struct mbuf *m; + uint8_t *frm; + + if (vap->iv_state == IEEE80211_S_CAC) { + IEEE80211_NOTE(vap, IEEE80211_MSG_OUTPUT, ni, + "block %s frame in CAC state", "HWMP action"); + vap->iv_stats.is_tx_badstate++; + return EIO; /* XXX */ + } + + KASSERT(ni != NULL, ("null node")); + /* + * Hold a reference on the node so it doesn't go away until after + * the xmit is complete all the way in the driver. On error we + * will remove our reference. + */ +#ifdef IEEE80211_DEBUG_REFCNT + IEEE80211_DPRINTF(vap, IEEE80211_MSG_NODE, + "ieee80211_ref_node (%s:%u) %p<%s> refcnt %d\n", + __func__, __LINE__, + ni, ether_sprintf(ni->ni_macaddr), + ieee80211_node_refcnt(ni)+1); +#endif + ieee80211_ref_node(ni); + + m = ieee80211_getmgtframe(&frm, + ic->ic_headroom + sizeof(struct ieee80211_frame), + sizeof(struct ieee80211_action) + len + ); + if (m == NULL) { + ieee80211_free_node(ni); + vap->iv_stats.is_tx_nobuf++; + return ENOMEM; + } + *frm++ = IEEE80211_ACTION_CAT_MESHPATH; + switch (*ie) { + case IEEE80211_ELEMID_MESHPREQ: + *frm++ = IEEE80211_ACTION_MESHPATH_REQ; + frm = hwmp_add_meshpreq(frm, + (struct ieee80211_meshpreq_ie *)ie); + break; + case IEEE80211_ELEMID_MESHPREP: + *frm++ = IEEE80211_ACTION_MESHPATH_REP; + frm = hwmp_add_meshprep(frm, + (struct ieee80211_meshprep_ie *)ie); + break; + case IEEE80211_ELEMID_MESHPERR: + *frm++ = IEEE80211_ACTION_MESHPATH_ERR; + frm = hwmp_add_meshperr(frm, + (struct ieee80211_meshperr_ie *)ie); + break; + case IEEE80211_ELEMID_MESHRANN: + *frm++ = IEEE80211_ACTION_MESHPATH_RANN; + frm = hwmp_add_meshrann(frm, + (struct ieee80211_meshrann_ie *)ie); + break; + } + + m->m_pkthdr.len = m->m_len = frm - mtod(m, uint8_t *); + M_PREPEND(m, sizeof(struct ieee80211_frame), M_DONTWAIT); + if (m == NULL) { + ieee80211_free_node(ni); + vap->iv_stats.is_tx_nobuf++; + return ENOMEM; + } + ieee80211_send_setup(ni, m, + IEEE80211_FC0_TYPE_MGT | IEEE80211_FC0_SUBTYPE_ACTION, + IEEE80211_NONQOS_TID, sa, da, sa); + + m->m_flags |= M_ENCAP; /* mark encapsulated */ + IEEE80211_NODE_STAT(ni, tx_mgmt); + + memset(¶ms, 0, sizeof(params)); + params.ibp_pri = WME_AC_VO; + params.ibp_rate0 = ni->ni_txparms->mgmtrate; + if (IEEE80211_IS_MULTICAST(da)) + params.ibp_try0 = 1; + else + params.ibp_try0 = ni->ni_txparms->maxretry; + params.ibp_power = ni->ni_txpower; + return ic->ic_raw_xmit(ni, m, ¶ms); +} + +#define ADDWORD(frm, v) do { \ + LE_WRITE_4(frm, v); \ + frm += 4; \ +} while (0) +/* + * Add a Mesh Path Request IE to a frame. + */ +static uint8_t * +hwmp_add_meshpreq(uint8_t *frm, const struct ieee80211_meshpreq_ie *preq) +{ + int i; + + *frm++ = IEEE80211_ELEMID_MESHPREQ; + *frm++ = sizeof(struct ieee80211_meshpreq_ie) - 2 + + (preq->preq_tcount - 1) * sizeof(*preq->preq_targets); + *frm++ = preq->preq_flags; + *frm++ = preq->preq_hopcount; + *frm++ = preq->preq_ttl; + ADDWORD(frm, preq->preq_id); + IEEE80211_ADDR_COPY(frm, preq->preq_origaddr); frm += 6; + ADDWORD(frm, preq->preq_origseq); + ADDWORD(frm, preq->preq_lifetime); + ADDWORD(frm, preq->preq_metric); + *frm++ = preq->preq_tcount; + for (i = 0; i < preq->preq_tcount; i++) { + *frm++ = preq->preq_targets[i].target_flags; + IEEE80211_ADDR_COPY(frm, preq->preq_targets[i].target_addr); + frm += 6; + ADDWORD(frm, preq->preq_targets[i].target_seq); + } + return frm; +} + +/* + * Add a Mesh Path Reply IE to a frame. + */ +static uint8_t * +hwmp_add_meshprep(uint8_t *frm, const struct ieee80211_meshprep_ie *prep) +{ + *frm++ = IEEE80211_ELEMID_MESHPREP; + *frm++ = sizeof(struct ieee80211_meshprep_ie) - 2; + *frm++ = prep->prep_flags; + *frm++ = prep->prep_hopcount; + *frm++ = prep->prep_ttl; + IEEE80211_ADDR_COPY(frm, prep->prep_targetaddr); frm += 6; + ADDWORD(frm, prep->prep_targetseq); + ADDWORD(frm, prep->prep_lifetime); + ADDWORD(frm, prep->prep_metric); + IEEE80211_ADDR_COPY(frm, prep->prep_origaddr); frm += 6; + ADDWORD(frm, prep->prep_origseq); + return frm; +} + +/* + * Add a Mesh Path Error IE to a frame. + */ +static uint8_t * +hwmp_add_meshperr(uint8_t *frm, const struct ieee80211_meshperr_ie *perr) +{ + int i; + + *frm++ = IEEE80211_ELEMID_MESHPERR; + *frm++ = sizeof(struct ieee80211_meshperr_ie) - 2 + + (perr->perr_ndests - 1) * sizeof(*perr->perr_dests); + *frm++ = perr->perr_mode; + *frm++ = perr->perr_ndests; + for (i = 0; i < perr->perr_ndests; i++) { + IEEE80211_ADDR_COPY(frm, perr->perr_dests[i].dest_addr); + frm += 6; + ADDWORD(frm, perr->perr_dests[i].dest_seq); + } + return frm; +} + +/* + * Add a Root Annoucement IE to a frame. + */ +static uint8_t * +hwmp_add_meshrann(uint8_t *frm, const struct ieee80211_meshrann_ie *rann) +{ + *frm++ = IEEE80211_ELEMID_MESHRANN; + *frm++ = sizeof(struct ieee80211_meshrann_ie) - 2; + *frm++ = rann->rann_flags; + *frm++ = rann->rann_hopcount; + *frm++ = rann->rann_ttl; + IEEE80211_ADDR_COPY(frm, rann->rann_addr); frm += 6; + ADDWORD(frm, rann->rann_seq); + ADDWORD(frm, rann->rann_metric); + return frm; +} + +static void +hwmp_rootmode_setup(struct ieee80211vap *vap) +{ + struct ieee80211_hwmp_state *hs = vap->iv_hwmp; + + switch (hs->hs_rootmode) { + case IEEE80211_HWMP_ROOTMODE_DISABLED: + callout_drain(&hs->hs_roottimer); + break; + case IEEE80211_HWMP_ROOTMODE_NORMAL: + case IEEE80211_HWMP_ROOTMODE_PROACTIVE: + callout_reset(&hs->hs_roottimer, HWMP_ROOTMODEINT, + hwmp_rootmode_cb, vap); + break; + case IEEE80211_HWMP_ROOTMODE_RANN: + callout_reset(&hs->hs_roottimer, HWMP_RANNMODEINT, + hwmp_rootmode_rann_cb, vap); + break; + } +} + +/* + * Send a broadcast Path Request to find all nodes on the mesh. We are + * called when the vap is configured as a HWMP root node. + */ +#define PREQ_TFLAGS(n) preq.preq_targets[n].target_flags +#define PREQ_TADDR(n) preq.preq_targets[n].target_addr +#define PREQ_TSEQ(n) preq.preq_targets[n].target_seq +static void +hwmp_rootmode_cb(void *arg) +{ + struct ieee80211vap *vap = (struct ieee80211vap *)arg; + struct ieee80211_hwmp_state *hs = vap->iv_hwmp; + struct ieee80211_mesh_state *ms = vap->iv_mesh; + struct ieee80211_meshpreq_ie preq; + + IEEE80211_NOTE(vap, IEEE80211_MSG_HWMP, vap->iv_bss, + "%s", "sending broadcast PREQ"); + + /* XXX check portal role */ + preq.preq_flags = IEEE80211_MESHPREQ_FLAGS_AM; + if (hs->hs_rootmode == IEEE80211_HWMP_ROOTMODE_PROACTIVE) + preq.preq_flags |= IEEE80211_MESHPREQ_FLAGS_PP; + preq.preq_hopcount = 0; + preq.preq_ttl = ms->ms_ttl; + preq.preq_id = ++hs->hs_preqid; + IEEE80211_ADDR_COPY(preq.preq_origaddr, vap->iv_myaddr); + preq.preq_origseq = ++hs->hs_seq; + preq.preq_lifetime = timeval2msecs(ieee80211_hwmp_roottimeout); + preq.preq_metric = IEEE80211_MESHLMETRIC_INITIALVAL; + preq.preq_tcount = 1; + IEEE80211_ADDR_COPY(PREQ_TADDR(0), broadcastaddr); + PREQ_TFLAGS(0) = IEEE80211_MESHPREQ_TFLAGS_TO | + IEEE80211_MESHPREQ_TFLAGS_RF; + PREQ_TSEQ(0) = 0; + vap->iv_stats.is_hwmp_rootreqs++; + hwmp_send_preq(vap->iv_bss, vap->iv_myaddr, broadcastaddr, &preq); + hwmp_rootmode_setup(vap); +} +#undef PREQ_TFLAGS +#undef PREQ_TADDR +#undef PREQ_TSEQ + +/* + * Send a Root Annoucement (RANN) to find all the nodes on the mesh. We are + * called when the vap is configured as a HWMP RANN root node. + */ +static void +hwmp_rootmode_rann_cb(void *arg) +{ + struct ieee80211vap *vap = (struct ieee80211vap *)arg; + struct ieee80211_hwmp_state *hs = vap->iv_hwmp; + struct ieee80211_mesh_state *ms = vap->iv_mesh; + struct ieee80211_meshrann_ie rann; + + IEEE80211_NOTE(vap, IEEE80211_MSG_HWMP, vap->iv_bss, + "%s", "sending broadcast RANN"); + + /* XXX check portal role */ + rann.rann_flags = 0; + rann.rann_hopcount = 0; + rann.rann_ttl = ms->ms_ttl; + IEEE80211_ADDR_COPY(rann.rann_addr, vap->iv_myaddr); + rann.rann_seq = ++hs->hs_seq; + rann.rann_metric = IEEE80211_MESHLMETRIC_INITIALVAL; + + vap->iv_stats.is_hwmp_rootrann++; + hwmp_send_rann(vap->iv_bss, vap->iv_myaddr, broadcastaddr, &rann); + hwmp_rootmode_setup(vap); +} + +#define PREQ_TFLAGS(n) preq->preq_targets[n].target_flags +#define PREQ_TADDR(n) preq->preq_targets[n].target_addr +#define PREQ_TSEQ(n) preq->preq_targets[n].target_seq +static void +hwmp_recv_preq(struct ieee80211vap *vap, struct ieee80211_node *ni, + const struct ieee80211_frame *wh, const struct ieee80211_meshpreq_ie *preq) +{ + struct ieee80211_mesh_state *ms = vap->iv_mesh; + struct ieee80211_mesh_route *rt = NULL; + struct ieee80211_hwmp_route *hr; + struct ieee80211_hwmp_state *hs = vap->iv_hwmp; + struct ieee80211_meshprep_ie prep; + + if (ni == vap->iv_bss || + ni->ni_mlstate != IEEE80211_NODE_MESH_ESTABLISHED) + return; + /* + * Ignore PREQs from us. Could happen because someone forward it + * back to us. + */ + if (IEEE80211_ADDR_EQ(vap->iv_myaddr, preq->preq_origaddr)) + return; + + IEEE80211_NOTE(vap, IEEE80211_MSG_HWMP, ni, + "received PREQ, source %s", ether_sprintf(preq->preq_origaddr)); + + /* + * Acceptance criteria: if the PREQ is not for us and + * forwarding is disabled, discard this PREQ. + */ + if (!IEEE80211_ADDR_EQ(vap->iv_myaddr, PREQ_TADDR(0)) && + !(ms->ms_flags & IEEE80211_MESHFLAGS_FWD)) { + IEEE80211_DISCARD_MAC(vap, IEEE80211_MSG_HWMP, + preq->preq_origaddr, NULL, "%s", "not accepting PREQ"); + return; + } + /* + * Check if the PREQ is addressed to us. + * XXX: check if this is part of a proxy address. + */ + if (IEEE80211_ADDR_EQ(vap->iv_myaddr, PREQ_TADDR(0))) { + IEEE80211_NOTE(vap, IEEE80211_MSG_HWMP, ni, + "replying to %s", ether_sprintf(preq->preq_origaddr)); + /* + * Build and send a PREP frame. + */ + prep.prep_flags = 0; + prep.prep_hopcount = 0; + prep.prep_ttl = ms->ms_ttl; + IEEE80211_ADDR_COPY(prep.prep_targetaddr, preq->preq_origaddr); + prep.prep_targetseq = preq->preq_origseq; + prep.prep_lifetime = preq->preq_lifetime; + prep.prep_metric = IEEE80211_MESHLMETRIC_INITIALVAL; + IEEE80211_ADDR_COPY(prep.prep_origaddr, vap->iv_myaddr); + prep.prep_origseq = ++hs->hs_seq; + hwmp_send_prep(ni, vap->iv_myaddr, wh->i_addr2, &prep); + /* + * Build the reverse path, if we don't have it already. + */ + rt = ieee80211_mesh_rt_find(vap, preq->preq_origaddr); + if (rt == NULL) + hwmp_discover(vap, preq->preq_origaddr, NULL); + else if (IEEE80211_ADDR_EQ(rt->rt_nexthop, invalidaddr)) + hwmp_discover(vap, rt->rt_dest, NULL); + return; + } + /* + * Proactive PREQ: reply with a proactive PREP to the + * root STA if requested. + */ + if (IEEE80211_ADDR_EQ(PREQ_TADDR(0), broadcastaddr) && + (PREQ_TFLAGS(0) & + ((IEEE80211_MESHPREQ_TFLAGS_TO|IEEE80211_MESHPREQ_TFLAGS_RF) == + (IEEE80211_MESHPREQ_TFLAGS_TO|IEEE80211_MESHPREQ_TFLAGS_RF)))) { + uint8_t rootmac[IEEE80211_ADDR_LEN]; + + IEEE80211_NOTE(vap, IEEE80211_MSG_HWMP, ni, + "root mesh station @ %s", + ether_sprintf(preq->preq_origaddr)); + IEEE80211_ADDR_COPY(rootmac, preq->preq_origaddr); + rt = ieee80211_mesh_rt_find(vap, rootmac); + if (rt == NULL) + rt = ieee80211_mesh_rt_add(vap, rootmac); + /* + * Reply with a PREP if we don't have a path to the root + * or if the root sent us a proactive PREQ. + */ + if (IEEE80211_ADDR_EQ(rt->rt_nexthop, invalidaddr) || + (preq->preq_flags & IEEE80211_MESHPREQ_FLAGS_PP)) { + prep.prep_flags = 0; + prep.prep_hopcount = 0; + prep.prep_ttl = ms->ms_ttl; + IEEE80211_ADDR_COPY(prep.prep_origaddr, + vap->iv_myaddr); + prep.prep_origseq = preq->preq_origseq; + prep.prep_targetseq = ++hs->hs_seq; + prep.prep_lifetime = preq->preq_lifetime; + prep.prep_metric = IEEE80211_MESHLMETRIC_INITIALVAL; + IEEE80211_ADDR_COPY(prep.prep_targetaddr, + rootmac); + prep.prep_targetseq = PREQ_TSEQ(0); + hwmp_send_prep(vap->iv_bss, vap->iv_myaddr, + broadcastaddr, &prep); + } + hwmp_discover(vap, rootmac, NULL); + return; + } + rt = ieee80211_mesh_rt_find(vap, PREQ_TADDR(0)); + + /* XXX missing. Check for AE bit and update proxy information */ + + /* + * Forwarding and Intermediate reply for PREQs with 1 target. + */ + if (preq->preq_tcount == 1) { + struct ieee80211_meshpreq_ie ppreq; /* propagated PREQ */ + + memcpy(&ppreq, preq, sizeof(ppreq)); + /* + * We have a valid route to this node. + */ + if (rt != NULL && + !IEEE80211_ADDR_EQ(rt->rt_nexthop, invalidaddr)) { + + hr = IEEE80211_MESH_ROUTE_PRIV(rt, + struct ieee80211_hwmp_route); + hr->hr_preqid = preq->preq_id; + hr->hr_seq = preq->preq_origseq; + if (preq->preq_ttl > 1 && + preq->preq_hopcount < hs->hs_maxhops) { + IEEE80211_NOTE(vap, IEEE80211_MSG_HWMP, ni, + "forwarding PREQ from %s", + ether_sprintf(preq->preq_origaddr)); + /* + * Propagate the original PREQ. + */ + ppreq.preq_hopcount += 1; + ppreq.preq_ttl -= 1; + ppreq.preq_metric += + ms->ms_pmetric->mpm_metric(ni); + /* + * Set TO and unset RF bits because we are going + * to send a PREP next. + */ + ppreq.preq_targets[0].target_flags |= + IEEE80211_MESHPREQ_TFLAGS_TO; + ppreq.preq_targets[0].target_flags &= + ~IEEE80211_MESHPREQ_TFLAGS_RF; + hwmp_send_preq(ni, vap->iv_myaddr, + broadcastaddr, &ppreq); + } + /* + * Check if we can send an intermediate Path Reply, + * i.e., Target Only bit is not set. + */ + if (!(PREQ_TFLAGS(0) & IEEE80211_MESHPREQ_TFLAGS_TO)) { + struct ieee80211_meshprep_ie prep; + + IEEE80211_NOTE(vap, IEEE80211_MSG_HWMP, ni, + "intermediate reply for PREQ from %s", + ether_sprintf(preq->preq_origaddr)); + prep.prep_flags = 0; + prep.prep_hopcount = rt->rt_nhops + 1; + prep.prep_ttl = ms->ms_ttl; + IEEE80211_ADDR_COPY(&prep.prep_targetaddr, + preq->preq_origaddr); + prep.prep_targetseq = hr->hr_seq; + prep.prep_lifetime = preq->preq_lifetime; + prep.prep_metric = rt->rt_metric + + ms->ms_pmetric->mpm_metric(ni); + IEEE80211_ADDR_COPY(&prep.prep_origaddr, + PREQ_TADDR(0)); + prep.prep_origseq = hs->hs_seq++; + hwmp_send_prep(ni, vap->iv_myaddr, + broadcastaddr, &prep); + } + /* + * We have no information about this path, + * propagate the PREQ. + */ + } else if (preq->preq_ttl > 1 && + preq->preq_hopcount < hs->hs_maxhops) { + if (rt == NULL) + rt = ieee80211_mesh_rt_add(vap, PREQ_TADDR(0)); + hr = IEEE80211_MESH_ROUTE_PRIV(rt, + struct ieee80211_hwmp_route); + rt->rt_metric = preq->preq_metric; + rt->rt_lifetime = preq->preq_lifetime; + hr->hr_seq = preq->preq_origseq; + hr->hr_preqid = preq->preq_id; + + IEEE80211_NOTE(vap, IEEE80211_MSG_HWMP, ni, + "forwarding PREQ from %s", + ether_sprintf(preq->preq_origaddr)); + ppreq.preq_hopcount += 1; + ppreq.preq_ttl -= 1; + ppreq.preq_metric += ms->ms_pmetric->mpm_metric(ni); + hwmp_send_preq(ni, vap->iv_myaddr, broadcastaddr, + &ppreq); + } + } + +} +#undef PREQ_TFLAGS +#undef PREQ_TADDR +#undef PREQ_TSEQ + +static int +hwmp_send_preq(struct ieee80211_node *ni, + const uint8_t sa[IEEE80211_ADDR_LEN], + const uint8_t da[IEEE80211_ADDR_LEN], + struct ieee80211_meshpreq_ie *preq) +{ + struct ieee80211_hwmp_state *hs = ni->ni_vap->iv_hwmp; + + /* + * Enforce PREQ interval. + */ + if (ratecheck(&hs->hs_lastpreq, &ieee80211_hwmp_preqminint) == 0) + return EALREADY; + getmicrouptime(&hs->hs_lastpreq); + + /* + * mesh preq action frame format + * [6] da + * [6] sa + * [6] addr3 = sa + * [1] action + * [1] category + * [tlv] mesh path request + */ + preq->preq_ie = IEEE80211_ELEMID_MESHPREQ; + return hwmp_send_action(ni, sa, da, (uint8_t *)preq, + sizeof(struct ieee80211_meshpreq_ie)); +} + +static void +hwmp_recv_prep(struct ieee80211vap *vap, struct ieee80211_node *ni, + const struct ieee80211_frame *wh, const struct ieee80211_meshprep_ie *prep) +{ + struct ieee80211_mesh_state *ms = vap->iv_mesh; + struct ieee80211_hwmp_state *hs = vap->iv_hwmp; + struct ieee80211_mesh_route *rt = NULL; + struct ieee80211_hwmp_route *hr; + struct ieee80211com *ic = vap->iv_ic; + struct ifnet *ifp = vap->iv_ifp; + struct mbuf *m, *next; + + /* + * Acceptance criteria: if the corresponding PREQ was not generated + * by us and forwarding is disabled, discard this PREP. + */ + if (ni == vap->iv_bss || + ni->ni_mlstate != IEEE80211_NODE_MESH_ESTABLISHED) + return; + if (!IEEE80211_ADDR_EQ(vap->iv_myaddr, prep->prep_origaddr) && + !(ms->ms_flags & IEEE80211_MESHFLAGS_FWD)) + return; + + IEEE80211_NOTE(vap, IEEE80211_MSG_HWMP, ni, + "received PREP from %s", ether_sprintf(prep->prep_origaddr)); + + /* + * If it's NOT for us, propagate the PREP. + */ + if (!IEEE80211_ADDR_EQ(vap->iv_myaddr, prep->prep_targetaddr) && + prep->prep_ttl > 1 && prep->prep_hopcount < hs->hs_maxhops) { + struct ieee80211_meshprep_ie pprep; /* propagated PREP */ + + IEEE80211_NOTE(vap, IEEE80211_MSG_HWMP, ni, + "propagating PREP from %s", + ether_sprintf(prep->prep_origaddr)); + + memcpy(&pprep, prep, sizeof(pprep)); + pprep.prep_hopcount += 1; + pprep.prep_ttl -= 1; + pprep.prep_metric += ms->ms_pmetric->mpm_metric(ni); + IEEE80211_ADDR_COPY(pprep.prep_origaddr, vap->iv_myaddr); + hwmp_send_prep(ni, vap->iv_myaddr, broadcastaddr, &pprep); + } + + rt = ieee80211_mesh_rt_find(vap, prep->prep_origaddr); + if (rt == NULL) { + /* + * If we have no entry this could be a reply to a root PREQ. + */ + if (hs->hs_rootmode != IEEE80211_HWMP_ROOTMODE_DISABLED) { + rt = ieee80211_mesh_rt_add(vap, prep->prep_origaddr); + IEEE80211_ADDR_COPY(rt->rt_nexthop, wh->i_addr2); + rt->rt_nhops = prep->prep_hopcount; + rt->rt_lifetime = prep->prep_lifetime; + rt->rt_metric = prep->prep_metric; + return; + } + return; + } + hr = IEEE80211_MESH_ROUTE_PRIV(rt, struct ieee80211_hwmp_route); + if (prep->prep_targetseq == hr->hr_seq) { + int useprep = 0; + /* + * Check if we already have a path to this node. + * If we do, check if this path reply contains a + * better route. + */ + if (IEEE80211_ADDR_EQ(rt->rt_nexthop, invalidaddr)) + useprep = 1; + else if (prep->prep_hopcount < rt->rt_nhops || + prep->prep_metric < rt->rt_metric) + useprep = 1; + if (useprep) { + IEEE80211_ADDR_COPY(rt->rt_nexthop, wh->i_addr2); + rt->rt_nhops = prep->prep_hopcount; + rt->rt_lifetime = prep->prep_lifetime; + rt->rt_metric = prep->prep_metric; + } + } else { + IEEE80211_NOTE(vap, IEEE80211_MSG_HWMP, ni, + "discard PREP from %s, wrong seqno %u != %u", + ether_sprintf(prep->prep_origaddr), prep->prep_targetseq, + hr->hr_seq); + vap->iv_stats.is_hwmp_wrongseq++; + } + + /* + * XXX: If it's for us and the AE bit is set, update the + * proxy information table. + */ + + /* + * XXX: If it's NOT for us and the AE bit is set, + * update the proxy information table. + */ + + /* + * Check for frames queued awaiting path discovery. + * XXX probably can tell exactly and avoid remove call + * NB: hash may have false matches, if so they will get + * stuck back on the stageq because there won't be + * a path. + */ + m = ieee80211_ageq_remove(&ic->ic_stageq, + (struct ieee80211_node *)(uintptr_t) + ieee80211_mac_hash(ic, rt->rt_dest)); + for (; m != NULL; m = next) { + next = m->m_nextpkt; + m->m_nextpkt = NULL; + ifp->if_transmit(ifp, m); + } +} + +static int +hwmp_send_prep(struct ieee80211_node *ni, + const uint8_t sa[IEEE80211_ADDR_LEN], + const uint8_t da[IEEE80211_ADDR_LEN], + struct ieee80211_meshprep_ie *prep) +{ + struct ieee80211_hwmp_state *hs = ni->ni_vap->iv_hwmp; + + /* + * Enforce PREP interval. + */ + if (ratecheck(&hs->hs_lastprep, &ieee80211_hwmp_prepminint) == 0) + return EALREADY; + getmicrouptime(&hs->hs_lastprep); + + /* + * mesh prep action frame format + * [6] da + * [6] sa + * [6] addr3 = sa + * [1] action + * [1] category + * [tlv] mesh path reply + */ + prep->prep_ie = IEEE80211_ELEMID_MESHPREP; + return hwmp_send_action(ni, sa, da, (uint8_t *)prep, + sizeof(struct ieee80211_meshprep_ie)); +} + +#define PERR_DADDR(n) perr.perr_dests[n].dest_addr +#define PERR_DSEQ(n) perr.perr_dests[n].dest_seq +static void +hwmp_peerdown(struct ieee80211_node *ni) +{ + struct ieee80211vap *vap = ni->ni_vap; + struct ieee80211_meshperr_ie perr; + struct ieee80211_mesh_route *rt; + struct ieee80211_hwmp_route *hr; + + rt = ieee80211_mesh_rt_find(vap, ni->ni_macaddr); + if (rt == NULL) + return; + hr = IEEE80211_MESH_ROUTE_PRIV(rt, struct ieee80211_hwmp_route); + IEEE80211_NOTE(vap, IEEE80211_MSG_HWMP, ni, + "%s", "deleting route entry"); + perr.perr_mode = 0; + perr.perr_ndests = 1; + IEEE80211_ADDR_COPY(PERR_DADDR(0), rt->rt_dest); + PERR_DSEQ(0) = hr->hr_seq; + ieee80211_mesh_rt_del(vap, ni->ni_macaddr); + hwmp_send_perr(vap->iv_bss, vap->iv_myaddr, broadcastaddr, &perr); +} +#undef PERR_DADDR +#undef PERR_DSEQ + +#define PERR_DADDR(n) perr->perr_dests[n].dest_addr +#define PERR_DSEQ(n) perr->perr_dests[n].dest_seq +static void +hwmp_recv_perr(struct ieee80211vap *vap, struct ieee80211_node *ni, + const struct ieee80211_frame *wh, const struct ieee80211_meshperr_ie *perr) +{ + struct ieee80211_mesh_state *ms = vap->iv_mesh; + struct ieee80211_mesh_route *rt = NULL; + struct ieee80211_hwmp_route *hr; + struct ieee80211_meshperr_ie pperr; + int i, forward = 0; + + /* + * Acceptance criteria: check if we received a PERR from a + * neighbor and forwarding is enabled. + */ + if (ni == vap->iv_bss || + ni->ni_mlstate != IEEE80211_NODE_MESH_ESTABLISHED || + !(ms->ms_flags & IEEE80211_MESHFLAGS_FWD)) + return; + /* + * Find all routing entries that match and delete them. + */ + for (i = 0; i < perr->perr_ndests; i++) { + rt = ieee80211_mesh_rt_find(vap, PERR_DADDR(i)); + if (rt == NULL) + continue; + hr = IEEE80211_MESH_ROUTE_PRIV(rt, + struct ieee80211_hwmp_route); + if (PERR_DSEQ(i) >= hr->hr_seq) { + ieee80211_mesh_rt_del(vap, rt->rt_dest); + rt = NULL; + forward = 1; + } + } + /* + * Propagate the PERR if we previously found it on our routing table. + * XXX handle ndest > 1 + */ + if (forward) { + IEEE80211_NOTE(vap, IEEE80211_MSG_HWMP, ni, + "propagating PERR from %s", ether_sprintf(wh->i_addr2)); + memcpy(&pperr, perr, sizeof(*perr)); + hwmp_send_perr(vap->iv_bss, vap->iv_myaddr, broadcastaddr, &pperr); + } +} +#undef PEER_DADDR +#undef PERR_DSEQ + +static int +hwmp_send_perr(struct ieee80211_node *ni, + const uint8_t sa[IEEE80211_ADDR_LEN], + const uint8_t da[IEEE80211_ADDR_LEN], + struct ieee80211_meshperr_ie *perr) +{ + struct ieee80211_hwmp_state *hs = ni->ni_vap->iv_hwmp; + + /* + * Enforce PERR interval. + */ + if (ratecheck(&hs->hs_lastperr, &ieee80211_hwmp_perrminint) == 0) + return EALREADY; + getmicrouptime(&hs->hs_lastperr); + + /* + * mesh perr action frame format + * [6] da + * [6] sa + * [6] addr3 = sa + * [1] action + * [1] category + * [tlv] mesh path error + */ + perr->perr_ie = IEEE80211_ELEMID_MESHPERR; + return hwmp_send_action(ni, sa, da, (uint8_t *)perr, + sizeof(struct ieee80211_meshperr_ie)); +} + +static void +hwmp_recv_rann(struct ieee80211vap *vap, struct ieee80211_node *ni, + const struct ieee80211_frame *wh, const struct ieee80211_meshrann_ie *rann) +{ + struct ieee80211_mesh_state *ms = vap->iv_mesh; + struct ieee80211_hwmp_state *hs = vap->iv_hwmp; + struct ieee80211_mesh_route *rt = NULL; + struct ieee80211_hwmp_route *hr; + struct ieee80211_meshrann_ie prann; + + if (ni == vap->iv_bss || + ni->ni_mlstate != IEEE80211_NODE_MESH_ESTABLISHED) + return; + + rt = ieee80211_mesh_rt_find(vap, rann->rann_addr); + /* + * Discover the path to the root mesh STA. + * If we already know it, propagate the RANN element. + */ + if (rt == NULL) { + hwmp_discover(vap, rann->rann_addr, NULL); + return; + } + hr = IEEE80211_MESH_ROUTE_PRIV(rt, struct ieee80211_hwmp_route); + if (rann->rann_seq > hr->hr_seq && rann->rann_ttl > 1 && + rann->rann_hopcount < hs->hs_maxhops && + (ms->ms_flags & IEEE80211_MESHFLAGS_FWD)) { + memcpy(&prann, rann, sizeof(prann)); + prann.rann_hopcount += 1; + prann.rann_ttl -= 1; + prann.rann_metric += ms->ms_pmetric->mpm_metric(ni); + hwmp_send_rann(vap->iv_bss, vap->iv_myaddr, broadcastaddr, + &prann); + } +} + +static int +hwmp_send_rann(struct ieee80211_node *ni, + const uint8_t sa[IEEE80211_ADDR_LEN], + const uint8_t da[IEEE80211_ADDR_LEN], + struct ieee80211_meshrann_ie *rann) +{ + /* + * mesh rann action frame format + * [6] da + * [6] sa + * [6] addr3 = sa + * [1] action + * [1] category + * [tlv] root annoucement + */ + rann->rann_ie = IEEE80211_ELEMID_MESHRANN; + return hwmp_send_action(ni, sa, da, (uint8_t *)rann, + sizeof(struct ieee80211_meshrann_ie)); +} + +#define PREQ_TFLAGS(n) preq.preq_targets[n].target_flags +#define PREQ_TADDR(n) preq.preq_targets[n].target_addr +#define PREQ_TSEQ(n) preq.preq_targets[n].target_seq +static struct ieee80211_node * +hwmp_discover(struct ieee80211vap *vap, + const uint8_t dest[IEEE80211_ADDR_LEN], struct mbuf *m) +{ + struct ieee80211_hwmp_state *hs = vap->iv_hwmp; + struct ieee80211_mesh_state *ms = vap->iv_mesh; + struct ieee80211_mesh_route *rt = NULL; + struct ieee80211_hwmp_route *hr; + struct ieee80211_meshpreq_ie preq; + struct ieee80211_node *ni; + int sendpreq = 0; + + KASSERT(vap->iv_opmode == IEEE80211_M_MBSS, + ("not a mesh vap, opmode %d", vap->iv_opmode)); + + KASSERT(!IEEE80211_ADDR_EQ(vap->iv_myaddr, dest), + ("%s: discovering self!", __func__)); + + ni = NULL; + if (!IEEE80211_IS_MULTICAST(dest)) { + rt = ieee80211_mesh_rt_find(vap, dest); + if (rt == NULL) { + rt = ieee80211_mesh_rt_add(vap, dest); + if (rt == NULL) { + /* XXX stat+msg */ + goto done; + } + } + hr = IEEE80211_MESH_ROUTE_PRIV(rt, + struct ieee80211_hwmp_route); + if (IEEE80211_ADDR_EQ(rt->rt_nexthop, invalidaddr)) { + if (hr->hr_preqid == 0) { + hr->hr_seq = ++hs->hs_seq; + hr->hr_preqid = ++hs->hs_preqid; + } + rt->rt_metric = IEEE80211_MESHLMETRIC_INITIALVAL; + rt->rt_lifetime = + timeval2msecs(ieee80211_hwmp_pathtimeout); + /* XXX check preq retries */ + sendpreq = 1; + IEEE80211_NOTE_MAC(vap, IEEE80211_MSG_HWMP, dest, + "%s", "initiating path discovery"); + /* + * Try to discover the path for this node. + */ + preq.preq_flags = 0; + preq.preq_hopcount = 0; + preq.preq_ttl = ms->ms_ttl; + preq.preq_id = hr->hr_preqid; + IEEE80211_ADDR_COPY(preq.preq_origaddr, vap->iv_myaddr); + preq.preq_origseq = hr->hr_seq; + preq.preq_lifetime = rt->rt_lifetime; + preq.preq_metric = rt->rt_metric; + preq.preq_tcount = 1; + IEEE80211_ADDR_COPY(PREQ_TADDR(0), dest); + PREQ_TFLAGS(0) = 0; + if (ieee80211_hwmp_targetonly) + PREQ_TFLAGS(0) |= IEEE80211_MESHPREQ_TFLAGS_TO; + if (ieee80211_hwmp_replyforward) + PREQ_TFLAGS(0) |= IEEE80211_MESHPREQ_TFLAGS_RF; + PREQ_TFLAGS(0) |= IEEE80211_MESHPREQ_TFLAGS_USN; + PREQ_TSEQ(0) = 0; + /* XXX check return value */ + hwmp_send_preq(vap->iv_bss, vap->iv_myaddr, + broadcastaddr, &preq); + } + if (!IEEE80211_ADDR_EQ(rt->rt_nexthop, invalidaddr)) + ni = ieee80211_find_txnode(vap, rt->rt_nexthop); + } else { + ni = ieee80211_find_txnode(vap, dest); + return ni; + } +done: + if (ni == NULL && m != NULL) { + IEEE80211_DISCARD_MAC(vap, IEEE80211_MSG_HWMP, + dest, NULL, "%s", "no valid path to this node"); + if (sendpreq) { + struct ieee80211com *ic = vap->iv_ic; + /* + * Queue packet for transmit when path discovery + * completes. If discovery never completes the + * frame will be flushed by way of the aging timer. + */ + m->m_pkthdr.rcvif = (void *)(uintptr_t) + ieee80211_mac_hash(ic, dest); + /* XXX age chosen randomly */ + ieee80211_ageq_append(&ic->ic_stageq, m, + IEEE80211_INACT_WAIT); + } else + m_freem(m); + } + return ni; +} +#undef PREQ_TFLAGS +#undef PREQ_TADDR +#undef PREQ_TSEQ + +static int +hwmp_ioctl_get80211(struct ieee80211vap *vap, struct ieee80211req *ireq) +{ + struct ieee80211_hwmp_state *hs = vap->iv_hwmp; + int error; + + if (vap->iv_opmode != IEEE80211_M_MBSS) + return ENOSYS; + error = 0; + switch (ireq->i_type) { + case IEEE80211_IOC_HWMP_ROOTMODE: + ireq->i_val = hs->hs_rootmode; + break; + case IEEE80211_IOC_HWMP_MAXHOPS: + ireq->i_val = hs->hs_maxhops; + break; + default: + return ENOSYS; + } + return error; +} +IEEE80211_IOCTL_GET(hwmp, hwmp_ioctl_get80211); + +static int +hwmp_ioctl_set80211(struct ieee80211vap *vap, struct ieee80211req *ireq) +{ + struct ieee80211_hwmp_state *hs = vap->iv_hwmp; + int error; + + if (vap->iv_opmode != IEEE80211_M_MBSS) + return ENOSYS; + error = 0; + switch (ireq->i_type) { + case IEEE80211_IOC_HWMP_ROOTMODE: + if (ireq->i_val < 0 || ireq->i_val > 3) + return EINVAL; + hs->hs_rootmode = ireq->i_val; + hwmp_rootmode_setup(vap); + break; + case IEEE80211_IOC_HWMP_MAXHOPS: + if (ireq->i_val <= 0 || ireq->i_val > 255) + return EINVAL; + hs->hs_maxhops = ireq->i_val; + break; + default: + return ENOSYS; + } + return error; +} +IEEE80211_IOCTL_SET(hwmp, hwmp_ioctl_set80211); diff --git a/sys/net80211/ieee80211_input.c b/sys/net80211/ieee80211_input.c index 5e50f10..8209d2e 100644 --- a/sys/net80211/ieee80211_input.c +++ b/sys/net80211/ieee80211_input.c @@ -46,6 +46,9 @@ __FBSDID("$FreeBSD$"); #include <net80211/ieee80211_var.h> #include <net80211/ieee80211_input.h> +#ifdef IEEE80211_SUPPORT_MESH +#include <net80211/ieee80211_mesh.h> +#endif #include <net/bpf.h> @@ -230,7 +233,16 @@ ieee80211_deliver_data(struct ieee80211vap *vap, struct mbuf * ieee80211_decap(struct ieee80211vap *vap, struct mbuf *m, int hdrlen) { - struct ieee80211_qosframe_addr4 wh; /* Max size address frames */ +#ifdef IEEE80211_SUPPORT_MESH + union { + struct ieee80211_qosframe_addr4 wh4; + uint8_t b[sizeof(struct ieee80211_qosframe_addr4) + + sizeof(struct ieee80211_meshcntl_ae11)]; + } whu; +#define wh whu.wh4 +#else + struct ieee80211_qosframe_addr4 wh; +#endif struct ether_header *eh; struct llc *llc; @@ -327,6 +339,7 @@ ieee80211_decap(struct ieee80211vap *vap, struct mbuf *m, int hdrlen) eh->ether_type = htons(m->m_pkthdr.len - sizeof(*eh)); } return m; +#undef wh } /* @@ -484,6 +497,8 @@ ieee80211_parse_beacon(struct ieee80211_node *ni, struct mbuf *m, * [tlv] HT capabilities * [tlv] HT information * [tlv] Atheros capabilities + * [tlv] Mesh ID + * [tlv] Mesh Configuration */ IEEE80211_VERIFY_LENGTH(efrm - frm, 12, return (scan->status = IEEE80211_BPARSE_BADIELEN)); @@ -559,6 +574,14 @@ ieee80211_parse_beacon(struct ieee80211_node *ni, struct mbuf *m, case IEEE80211_ELEMID_HTINFO: scan->htinfo = frm; break; +#ifdef IEEE80211_SUPPORT_TDMA + case IEEE80211_ELEMID_MESHID: + scan->meshid = frm; + break; + case IEEE80211_ELEMID_MESHCONF: + scan->meshconf = frm; + break; +#endif case IEEE80211_ELEMID_VENDOR: if (iswpaoui(frm)) scan->wpa = frm; diff --git a/sys/net80211/ieee80211_ioctl.c b/sys/net80211/ieee80211_ioctl.c index 7712b04..35c7981 100644 --- a/sys/net80211/ieee80211_ioctl.c +++ b/sys/net80211/ieee80211_ioctl.c @@ -241,7 +241,8 @@ scan_space(const struct ieee80211_scan_entry *se, int *ielen) * packet is <3Kbytes so we are sure this doesn't overflow * 16-bits; if this is a concern we can drop the ie's. */ - len = sizeof(struct ieee80211req_scan_result) + se->se_ssid[1] + *ielen; + len = sizeof(struct ieee80211req_scan_result) + se->se_ssid[1] + + se->se_meshid[1] + *ielen; return roundup(len, sizeof(uint32_t)); } @@ -286,14 +287,19 @@ get_scan_result(void *arg, const struct ieee80211_scan_entry *se) memcpy(sr->isr_rates+nr, se->se_xrates+2, nxr); sr->isr_nrates = nr + nxr; + /* copy SSID */ sr->isr_ssid_len = se->se_ssid[1]; cp = ((uint8_t *)sr) + sr->isr_ie_off; memcpy(cp, se->se_ssid+2, sr->isr_ssid_len); - if (ielen) { - cp += sr->isr_ssid_len; + /* copy mesh id */ + cp += sr->isr_ssid_len; + sr->isr_meshid_len = se->se_meshid[1]; + memcpy(cp, se->se_meshid+2, sr->isr_meshid_len); + cp += sr->isr_meshid_len; + + if (ielen) memcpy(cp, se->se_ies.data, ielen); - } req->space -= len; req->sr = (struct ieee80211req_scan_result *)(((uint8_t *)sr) + len); @@ -435,6 +441,9 @@ get_sta_info(void *arg, struct ieee80211_node *ni) else si->isi_inact = vap->iv_inact_init; si->isi_inact = (si->isi_inact - ni->ni_inact) * IEEE80211_INACT_WAIT; + si->isi_localid = ni->ni_mllid; + si->isi_peerid = ni->ni_mlpid; + si->isi_peerstate = ni->ni_mlstate; if (ielen) { cp = ((uint8_t *)si) + si->isi_ie_off; @@ -2847,6 +2856,7 @@ ieee80211_ioctl_set80211(struct ieee80211vap *vap, u_long cmd, struct ieee80211r break; case IEEE80211_IOC_DTIM_PERIOD: if (vap->iv_opmode != IEEE80211_M_HOSTAP && + vap->iv_opmode != IEEE80211_M_MBSS && vap->iv_opmode != IEEE80211_M_IBSS) return EINVAL; if (IEEE80211_DTIM_MIN <= ireq->i_val && @@ -2858,6 +2868,7 @@ ieee80211_ioctl_set80211(struct ieee80211vap *vap, u_long cmd, struct ieee80211r break; case IEEE80211_IOC_BEACON_INTERVAL: if (vap->iv_opmode != IEEE80211_M_HOSTAP && + vap->iv_opmode != IEEE80211_M_MBSS && vap->iv_opmode != IEEE80211_M_IBSS) return EINVAL; if (IEEE80211_BINTVAL_MIN <= ireq->i_val && diff --git a/sys/net80211/ieee80211_ioctl.h b/sys/net80211/ieee80211_ioctl.h index db43778..723d3da 100644 --- a/sys/net80211/ieee80211_ioctl.h +++ b/sys/net80211/ieee80211_ioctl.h @@ -223,6 +223,19 @@ struct ieee80211_stats { uint32_t is_tx_ctl; /* tx ctrl frames */ uint32_t is_ampdu_rexmt; /* A-MPDU frames rexmt ok */ uint32_t is_ampdu_rexmt_fail; /* A-MPDU frames rexmt fail */ + + uint32_t is_mesh_wrongmesh; /* dropped 'cuz not mesh sta*/ + uint32_t is_mesh_nolink; /* dropped 'cuz link not estab*/ + uint32_t is_mesh_fwd_ttl; /* mesh not fwd'd 'cuz ttl 0 */ + uint32_t is_mesh_fwd_nobuf; /* mesh not fwd'd 'cuz no mbuf*/ + uint32_t is_mesh_fwd_tooshort; /* mesh not fwd'd 'cuz no hdr */ + uint32_t is_mesh_fwd_disabled; /* mesh not fwd'd 'cuz disabled */ + uint32_t is_mesh_fwd_nopath; /* mesh not fwd'd 'cuz path unknown */ + + uint32_t is_hwmp_wrongseq; /* wrong hwmp seq no. */ + uint32_t is_hwmp_rootreqs; /* root PREQs sent */ + uint32_t is_hwmp_rootrann; /* root RANNs sent */ + uint32_t is_spare[16]; }; @@ -305,6 +318,27 @@ struct ieee80211req_maclist { } __packed; /* + * Mesh Routing Table Operations. + */ +enum { + IEEE80211_MESH_RTCMD_LIST = 0, /* list HWMP routing table */ + IEEE80211_MESH_RTCMD_FLUSH = 1, /* flush HWMP routing table */ + IEEE80211_MESH_RTCMD_ADD = 2, /* add entry to the table */ + IEEE80211_MESH_RTCMD_DELETE = 3, /* delete an entry from the table */ +}; + +/* + * HWMP root modes + */ +enum { + IEEE80211_HWMP_ROOTMODE_DISABLED = 0, /* disabled */ + IEEE80211_HWMP_ROOTMODE_NORMAL = 1, /* normal PREPs */ + IEEE80211_HWMP_ROOTMODE_PROACTIVE = 2, /* proactive PREPS */ + IEEE80211_HWMP_ROOTMODE_RANN = 3, /* use RANN elemid */ +}; + + +/* * Set the active channel list by IEEE channel #: each channel * to be marked active is set in a bit vector. Note this list is * intersected with the available channel list in calculating @@ -384,6 +418,10 @@ struct ieee80211req_sta_info { uint16_t isi_pad; uint32_t isi_jointime; /* time of assoc/join */ struct ieee80211_mimo_info isi_mimo; /* MIMO info for 11n sta's */ + /* 11s info */ + uint16_t isi_peerid; + uint16_t isi_localid; + uint8_t isi_peerstate; /* XXX frag state? */ /* variable length IE data */ }; @@ -637,6 +675,22 @@ struct ieee80211req { #define IEEE80211_IOC_GREENFIELD 112 /* Greenfield (on, off) */ #define IEEE80211_IOC_STBC 113 /* STBC Tx/RX (on, off) */ +#define IEEE80211_IOC_MESH_ID 170 /* mesh identifier */ +#define IEEE80211_IOC_MESH_AP 171 /* accepting peerings */ +#define IEEE80211_IOC_MESH_FWRD 172 /* forward frames */ +#define IEEE80211_IOC_MESH_PROTO 173 /* mesh protocols */ +#define IEEE80211_IOC_MESH_TTL 174 /* mesh TTL */ +#define IEEE80211_IOC_MESH_RTCMD 175 /* mesh routing table commands*/ +#define IEEE80211_IOC_MESH_PR_METRIC 176 /* mesh metric protocol */ +#define IEEE80211_IOC_MESH_PR_PATH 177 /* mesh path protocol */ +#define IEEE80211_IOC_MESH_PR_SIG 178 /* mesh sig protocol */ +#define IEEE80211_IOC_MESH_PR_CC 179 /* mesh congestion protocol */ +#define IEEE80211_IOC_MESH_PR_AUTH 180 /* mesh auth protocol */ + +#define IEEE80211_IOC_HWMP_ROOTMODE 190 /* HWMP root mode */ +#define IEEE80211_IOC_HWMP_MAXHOPS 191 /* number of hops before drop */ +#define IEEE80211_IOC_HWMP_TTL 192 /* HWMP TTL */ + #define IEEE80211_IOC_TDMA_SLOT 201 /* TDMA: assigned slot */ #define IEEE80211_IOC_TDMA_SLOTCNT 202 /* TDMA: slots in bss */ #define IEEE80211_IOC_TDMA_SLOTLEN 203 /* TDMA: slot length (usecs) */ @@ -724,7 +778,9 @@ struct ieee80211req_scan_result { uint8_t isr_nrates; uint8_t isr_rates[IEEE80211_RATE_MAXSIZE]; uint8_t isr_ssid_len; /* SSID length */ - /* variable length SSID followed by IE data */ + uint8_t isr_meshid_len; /* MESH ID length */ + /* variable length SSID, followed by variable length MESH ID, + followed by IE data */ }; /* diff --git a/sys/net80211/ieee80211_mesh.c b/sys/net80211/ieee80211_mesh.c new file mode 100644 index 0000000..6e7fa8d --- /dev/null +++ b/sys/net80211/ieee80211_mesh.c @@ -0,0 +1,2538 @@ +/*- + * Copyright (c) 2009 The FreeBSD Foundation + * All rights reserved. + * + * This software was developed by Rui Paulo under sponsorship from the + * FreeBSD Foundation. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ +#include <sys/cdefs.h> +#ifdef __FreeBSD__ +__FBSDID("$FreeBSD$"); +#endif + +/* + * IEEE 802.11s Mesh Point (MBSS) support. + * + * Based on March 2009, D3.0 802.11s draft spec. + */ +#include "opt_inet.h" +#include "opt_wlan.h" + +#include <sys/param.h> +#include <sys/systm.h> +#include <sys/mbuf.h> +#include <sys/malloc.h> +#include <sys/kernel.h> + +#include <sys/socket.h> +#include <sys/sockio.h> +#include <sys/endian.h> +#include <sys/errno.h> +#include <sys/proc.h> +#include <sys/sysctl.h> + +#include <net/if.h> +#include <net/if_media.h> +#include <net/if_llc.h> +#include <net/ethernet.h> + +#include <net80211/ieee80211_var.h> +#include <net80211/ieee80211_action.h> +#include <net80211/ieee80211_input.h> +#include <net80211/ieee80211_mesh.h> + +static int mesh_select_proto_path(struct ieee80211vap *, const char *); +static int mesh_select_proto_metric(struct ieee80211vap *, const char *); +static void mesh_vattach(struct ieee80211vap *); +static int mesh_newstate(struct ieee80211vap *, enum ieee80211_state, int); +static __inline void + mesh_linkchange(struct ieee80211_node *, + enum ieee80211_mesh_mlstate); +static void mesh_checkid(void *, struct ieee80211_node *); +static uint32_t mesh_generateid(struct ieee80211vap *); +static int mesh_checkpseq(struct ieee80211vap *, + const uint8_t [IEEE80211_ADDR_LEN], uint32_t); +static struct ieee80211_node * + mesh_find_txnode(struct ieee80211vap *, + const uint8_t [IEEE80211_ADDR_LEN]); +static void mesh_forward(struct ieee80211vap *, struct mbuf *, + const struct ieee80211_meshcntl *); +static int mesh_input(struct ieee80211_node *, struct mbuf *, int, int); +static void mesh_recv_mgmt(struct ieee80211_node *, struct mbuf *, int, + int, int); +static void mesh_peer_timeout_setup(struct ieee80211_node *); +static void mesh_peer_timeout_backoff(struct ieee80211_node *); +static void mesh_peer_timeout_cb(void *); +static __inline void + mesh_peer_timeout_stop(struct ieee80211_node *); +static int mesh_verify_meshpeerver(struct ieee80211vap *, const uint8_t *); +static int mesh_verify_meshid(struct ieee80211vap *, const uint8_t *); +static int mesh_verify_meshconf(struct ieee80211vap *, const uint8_t *); +static int mesh_verify_meshpeer(struct ieee80211vap *, const uint8_t *); +uint32_t mesh_airtime_calc(struct ieee80211_node *); + +/* + * Timeout values come from the specification and are in milliseconds. + */ +SYSCTL_NODE(_net_wlan, OID_AUTO, mesh, CTLFLAG_RD, 0, + "IEEE 802.11s parameters"); +static int ieee80211_mesh_retrytimeout = -1; +SYSCTL_PROC(_net_wlan_mesh, OID_AUTO, retrytimeout, CTLTYPE_INT | CTLFLAG_RW, + &ieee80211_mesh_retrytimeout, 0, ieee80211_sysctl_msecs_ticks, "I", + "Retry timeout (msec)"); +static int ieee80211_mesh_holdingtimeout = -1; +SYSCTL_PROC(_net_wlan_mesh, OID_AUTO, holdingtimeout, CTLTYPE_INT | CTLFLAG_RW, + &ieee80211_mesh_holdingtimeout, 0, ieee80211_sysctl_msecs_ticks, "I", + "Holding state timeout (msec)"); +static int ieee80211_mesh_confirmtimeout = -1; +SYSCTL_PROC(_net_wlan_mesh, OID_AUTO, confirmtimeout, CTLTYPE_INT | CTLFLAG_RW, + &ieee80211_mesh_confirmtimeout, 0, ieee80211_sysctl_msecs_ticks, "I", + "Confirm state timeout (msec)"); +static int ieee80211_mesh_maxretries = 2; +SYSCTL_INT(_net_wlan_mesh, OID_AUTO, maxretries, CTLTYPE_INT | CTLFLAG_RW, + &ieee80211_mesh_maxretries, 0, + "Maximum retries during peer link establishment"); + +static const uint8_t broadcastaddr[IEEE80211_ADDR_LEN] = + { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }; + +static ieee80211_recv_action_func mesh_recv_action_meshpeering_open; +static ieee80211_recv_action_func mesh_recv_action_meshpeering_confirm; +static ieee80211_recv_action_func mesh_recv_action_meshpeering_close; +static ieee80211_recv_action_func mesh_recv_action_meshlmetric_req; +static ieee80211_recv_action_func mesh_recv_action_meshlmetric_rep; + +static ieee80211_send_action_func mesh_send_action_meshpeering_open; +static ieee80211_send_action_func mesh_send_action_meshpeering_confirm; +static ieee80211_send_action_func mesh_send_action_meshpeering_close; +static ieee80211_send_action_func mesh_send_action_meshlink_request; +static ieee80211_send_action_func mesh_send_action_meshlink_reply; + +static const struct ieee80211_mesh_proto_metric mesh_metric_airtime = { + .mpm_descr = "AIRTIME", + .mpm_ie = IEEE80211_MESHCONF_AIRTIME, + .mpm_metric = mesh_airtime_calc, +}; + +static struct ieee80211_mesh_proto_path mesh_proto_paths[4]; +static struct ieee80211_mesh_proto_metric mesh_proto_metrics[4]; + +#define MESH_RT_LOCK(ms) mtx_lock(&(ms)->ms_rt_lock) +#define MESH_RT_UNLOCK(ms) mtx_unlock(&(ms)->ms_rt_lock) + +MALLOC_DEFINE(M_80211_MESH_RT, "80211mesh", "802.11s routing table"); + +/* + * Helper functions to manipulate the Mesh routing table. + */ +struct ieee80211_mesh_route * +ieee80211_mesh_rt_find(struct ieee80211vap *vap, + const uint8_t dest[IEEE80211_ADDR_LEN]) +{ + struct ieee80211_mesh_state *ms = vap->iv_mesh; + struct ieee80211_mesh_route *rt; + + MESH_RT_LOCK(ms); + TAILQ_FOREACH(rt, &ms->ms_routes, rt_next) { + if (IEEE80211_ADDR_EQ(dest, rt->rt_dest)) { + MESH_RT_UNLOCK(ms); + return rt; + } + } + MESH_RT_UNLOCK(ms); + return NULL; +} + +struct ieee80211_mesh_route * +ieee80211_mesh_rt_add(struct ieee80211vap *vap, + const uint8_t dest[IEEE80211_ADDR_LEN]) +{ + struct ieee80211_mesh_state *ms = vap->iv_mesh; + struct ieee80211_mesh_route *rt; + + KASSERT(ieee80211_mesh_rt_find(vap, dest) == NULL, + ("%s: duplicate entry in the routing table", __func__)); + KASSERT(!IEEE80211_ADDR_EQ(vap->iv_myaddr, dest), + ("%s: adding self to the routing table", __func__)); + KASSERT(!IEEE80211_ADDR_EQ(broadcastaddr, dest), + ("%s: adding broadcast to the routing table", __func__)); + + rt = malloc(sizeof(struct ieee80211_mesh_route), M_80211_MESH_RT, + M_NOWAIT | M_ZERO); + IEEE80211_ADDR_COPY(rt->rt_dest, dest); + rt->rt_priv = malloc(ms->ms_ppath->mpp_privlen, M_80211_MESH_RT, + M_NOWAIT | M_ZERO); + MESH_RT_LOCK(ms); + TAILQ_INSERT_TAIL(&ms->ms_routes, rt, rt_next); + MESH_RT_UNLOCK(ms); + return rt; +} + +void +ieee80211_mesh_rt_del(struct ieee80211vap *vap, + const uint8_t dest[IEEE80211_ADDR_LEN]) +{ + struct ieee80211_mesh_state *ms = vap->iv_mesh; + struct ieee80211_mesh_route *rt, *next; + + MESH_RT_LOCK(ms); + TAILQ_FOREACH_SAFE(rt, &ms->ms_routes, rt_next, next) { + if (IEEE80211_ADDR_EQ(rt->rt_dest, dest)) { + TAILQ_REMOVE(&ms->ms_routes, rt, rt_next); + free(rt->rt_priv, M_80211_MESH_RT); + free(rt, M_80211_MESH_RT); + MESH_RT_UNLOCK(ms); + return; + } + } + MESH_RT_UNLOCK(ms); +} + +void +ieee80211_mesh_rt_flush(struct ieee80211vap *vap) +{ + struct ieee80211_mesh_state *ms = vap->iv_mesh; + struct ieee80211_mesh_route *rt, *next; + + if (ms == NULL) + return; + MESH_RT_LOCK(ms); + TAILQ_FOREACH_SAFE(rt, &ms->ms_routes, rt_next, next) { + TAILQ_REMOVE(&ms->ms_routes, rt, rt_next); + free(rt->rt_priv, M_80211_MESH_RT); + free(rt, M_80211_MESH_RT); + } + MESH_RT_UNLOCK(ms); +} + +#define N(a) (sizeof(a) / sizeof(a[0])) +int +ieee80211_mesh_register_proto_path(const struct ieee80211_mesh_proto_path *mpp) +{ + int i, firstempty = -1; + static const uint8_t emptyie[4] = { 0, 0, 0, 0 }; + + for (i = 0; i < N(mesh_proto_paths); i++) { + if (memcmp(mpp->mpp_ie, mesh_proto_paths[i].mpp_ie, 4) == 0) + return EEXIST; + if (memcmp(mesh_proto_paths[i].mpp_ie, emptyie, 4) == 0 && + firstempty == -1) + firstempty = i; + } + if (firstempty < 0) + return ENOSPC; + memcpy(&mesh_proto_paths[firstempty], mpp, sizeof(*mpp)); + return 0; +} + +int +ieee80211_mesh_register_proto_metric(const struct + ieee80211_mesh_proto_metric *mpm) +{ + int i, firstempty = -1; + static const uint8_t emptyie[4] = { 0, 0, 0, 0 }; + + for (i = 0; i < N(mesh_proto_metrics); i++) { + if (memcmp(mpm->mpm_ie, mesh_proto_metrics[i].mpm_ie, 4) == 0) + return EEXIST; + if (memcmp(mesh_proto_metrics[i].mpm_ie, emptyie, 4) == 0 && + firstempty == -1) + firstempty = i; + } + if (firstempty < 0) + return ENOSPC; + memcpy(&mesh_proto_metrics[firstempty], mpm, sizeof(*mpm)); + return 0; +} + +static int +mesh_select_proto_path(struct ieee80211vap *vap, const char *name) +{ + struct ieee80211_mesh_state *ms = vap->iv_mesh; + int i; + + for (i = 0; i < N(mesh_proto_paths); i++) { + if (strcasecmp(mesh_proto_paths[i].mpp_descr, name) == 0) { + ms->ms_ppath = &mesh_proto_paths[i]; + if (vap->iv_state == IEEE80211_S_RUN) + vap->iv_newstate(vap, IEEE80211_S_INIT, 0); + return 0; + } + } + return ENOENT; +} + +static int +mesh_select_proto_metric(struct ieee80211vap *vap, const char *name) +{ + struct ieee80211_mesh_state *ms = vap->iv_mesh; + int i; + + for (i = 0; i < N(mesh_proto_metrics); i++) { + if (strcasecmp(mesh_proto_metrics[i].mpm_descr, name) == 0) { + ms->ms_pmetric = &mesh_proto_metrics[i]; + if (vap->iv_state == IEEE80211_S_RUN) + vap->iv_newstate(vap, IEEE80211_S_INIT, 0); + return 0; + } + } + return ENOENT; +} +#undef N + +static void +ieee80211_mesh_init(void) +{ + + memset(mesh_proto_paths, 0, sizeof(mesh_proto_paths)); + memset(mesh_proto_metrics, 0, sizeof(mesh_proto_metrics)); + + /* + * Setup mesh parameters that depends on the clock frequency. + */ + ieee80211_mesh_retrytimeout = msecs_to_ticks(40); + ieee80211_mesh_holdingtimeout = msecs_to_ticks(40); + ieee80211_mesh_confirmtimeout = msecs_to_ticks(40); + + /* + * Register action frame handlers. + */ + ieee80211_recv_action_register(IEEE80211_ACTION_CAT_MESHPEERING, + IEEE80211_ACTION_MESHPEERING_OPEN, + mesh_recv_action_meshpeering_open); + ieee80211_recv_action_register(IEEE80211_ACTION_CAT_MESHPEERING, + IEEE80211_ACTION_MESHPEERING_CONFIRM, + mesh_recv_action_meshpeering_confirm); + ieee80211_recv_action_register(IEEE80211_ACTION_CAT_MESHPEERING, + IEEE80211_ACTION_MESHPEERING_CLOSE, + mesh_recv_action_meshpeering_close); + ieee80211_recv_action_register(IEEE80211_ACTION_CAT_MESHLMETRIC, + IEEE80211_ACTION_MESHLMETRIC_REQ, mesh_recv_action_meshlmetric_req); + ieee80211_recv_action_register(IEEE80211_ACTION_CAT_MESHLMETRIC, + IEEE80211_ACTION_MESHLMETRIC_REP, mesh_recv_action_meshlmetric_rep); + + ieee80211_send_action_register(IEEE80211_ACTION_CAT_MESHPEERING, + IEEE80211_ACTION_MESHPEERING_OPEN, + mesh_send_action_meshpeering_open); + ieee80211_send_action_register(IEEE80211_ACTION_CAT_MESHPEERING, + IEEE80211_ACTION_MESHPEERING_CONFIRM, + mesh_send_action_meshpeering_confirm); + ieee80211_send_action_register(IEEE80211_ACTION_CAT_MESHPEERING, + IEEE80211_ACTION_MESHPEERING_CLOSE, + mesh_send_action_meshpeering_close); + ieee80211_send_action_register(IEEE80211_ACTION_CAT_MESHLMETRIC, + IEEE80211_ACTION_MESHLMETRIC_REQ, + mesh_send_action_meshlink_request); + ieee80211_send_action_register(IEEE80211_ACTION_CAT_MESHLMETRIC, + IEEE80211_ACTION_MESHLMETRIC_REP, + mesh_send_action_meshlink_reply); + + /* + * Register Airtime Link Metric. + */ + ieee80211_mesh_register_proto_metric(&mesh_metric_airtime); + +} +SYSINIT(wlan_mesh, SI_SUB_DRIVERS, SI_ORDER_FIRST, ieee80211_mesh_init, NULL); + +void +ieee80211_mesh_attach(struct ieee80211com *ic) +{ + ic->ic_vattach[IEEE80211_M_MBSS] = mesh_vattach; +} + +void +ieee80211_mesh_detach(struct ieee80211com *ic) +{ +} + +static void +mesh_vdetach_peers(void *arg, struct ieee80211_node *ni) +{ + struct ieee80211com *ic = ni->ni_ic; + uint16_t args[3]; + + if (ni->ni_mlstate == IEEE80211_NODE_MESH_ESTABLISHED) { + args[0] = ni->ni_mlpid; + args[1] = ni->ni_mllid; + args[2] = IEEE80211_REASON_PEER_LINK_CANCELED; + ieee80211_send_action(ni, + IEEE80211_ACTION_CAT_MESHPEERING, + IEEE80211_ACTION_MESHPEERING_CLOSE, + args); + } + callout_stop(&ni->ni_mltimer); + /* XXX belongs in hwmp */ + ieee80211_ageq_drain_node(&ic->ic_stageq, + (void *)(uintptr_t) ieee80211_mac_hash(ic, ni->ni_macaddr)); +} + +static void +mesh_vdetach(struct ieee80211vap *vap) +{ + struct ieee80211_mesh_state *ms = vap->iv_mesh; + + ieee80211_iterate_nodes(&vap->iv_ic->ic_sta, mesh_vdetach_peers, + NULL); + ieee80211_mesh_rt_flush(vap); + mtx_destroy(&ms->ms_rt_lock); + ms->ms_ppath->mpp_vdetach(vap); + free(vap->iv_mesh, M_80211_VAP); + vap->iv_mesh = NULL; +} + +static void +mesh_vattach(struct ieee80211vap *vap) +{ + struct ieee80211_mesh_state *ms; + vap->iv_newstate = mesh_newstate; + vap->iv_input = mesh_input; + vap->iv_opdetach = mesh_vdetach; + vap->iv_recv_mgmt = mesh_recv_mgmt; + ms = malloc(sizeof(struct ieee80211_mesh_state), M_80211_VAP, + M_NOWAIT | M_ZERO); + if (ms == NULL) { + printf("%s: couldn't alloc MBSS state\n", __func__); + return; + } + vap->iv_mesh = ms; + ms->ms_seq = 0; + ms->ms_flags = (IEEE80211_MESHFLAGS_AP | IEEE80211_MESHFLAGS_FWD); + ms->ms_ttl = IEEE80211_MESH_DEFAULT_TTL; + TAILQ_INIT(&ms->ms_routes); + mtx_init(&ms->ms_rt_lock, "MBSS", "802.11s routing table", MTX_DEF); + mesh_select_proto_metric(vap, "AIRTIME"); + KASSERT(ms->ms_pmetric, ("ms_pmetric == NULL")); + mesh_select_proto_path(vap, "HWMP"); + KASSERT(ms->ms_ppath, ("ms_ppath == NULL")); + ms->ms_ppath->mpp_vattach(vap); +} + +/* + * IEEE80211_M_MBSS vap state machine handler. + */ +static int +mesh_newstate(struct ieee80211vap *vap, enum ieee80211_state nstate, int arg) +{ + struct ieee80211_mesh_state *ms = vap->iv_mesh; + struct ieee80211com *ic = vap->iv_ic; + struct ieee80211_node *ni; + enum ieee80211_state ostate; + + IEEE80211_LOCK_ASSERT(ic); + + ostate = vap->iv_state; + IEEE80211_DPRINTF(vap, IEEE80211_MSG_STATE, "%s: %s -> %s (%d)\n", + __func__, ieee80211_state_name[ostate], + ieee80211_state_name[nstate], arg); + vap->iv_state = nstate; /* state transition */ + if (ostate != IEEE80211_S_SCAN) + ieee80211_cancel_scan(vap); /* background scan */ + ni = vap->iv_bss; /* NB: no reference held */ + /* Flush the routing table */ + if (nstate != IEEE80211_S_INIT && ostate == IEEE80211_S_INIT) + ieee80211_mesh_rt_flush(vap); + switch (nstate) { + case IEEE80211_S_INIT: + switch (ostate) { + case IEEE80211_S_SCAN: + ieee80211_cancel_scan(vap); + break; + case IEEE80211_S_CAC: + ieee80211_dfs_cac_stop(vap); + break; + case IEEE80211_S_RUN: + ieee80211_iterate_nodes(&ic->ic_sta, + mesh_vdetach_peers, NULL); + break; + default: + break; + } + if (ostate != IEEE80211_S_INIT) { + /* NB: optimize INIT -> INIT case */ + ieee80211_reset_bss(vap); + } + break; + case IEEE80211_S_SCAN: + switch (ostate) { + case IEEE80211_S_INIT: + if (vap->iv_des_chan != IEEE80211_CHAN_ANYC && + !IEEE80211_IS_CHAN_RADAR(vap->iv_des_chan) && + ms->ms_idlen != 0) { + /* + * Already have a channel and a mesh ID; bypass + * the scan and startup immediately. + */ + ieee80211_create_ibss(vap, vap->iv_des_chan); + break; + } + /* + * Initiate a scan. We can come here as a result + * of an IEEE80211_IOC_SCAN_REQ too in which case + * the vap will be marked with IEEE80211_FEXT_SCANREQ + * and the scan request parameters will be present + * in iv_scanreq. Otherwise we do the default. + */ + if (vap->iv_flags_ext & IEEE80211_FEXT_SCANREQ) { + ieee80211_check_scan(vap, + vap->iv_scanreq_flags, + vap->iv_scanreq_duration, + vap->iv_scanreq_mindwell, + vap->iv_scanreq_maxdwell, + vap->iv_scanreq_nssid, vap->iv_scanreq_ssid); + vap->iv_flags_ext &= ~IEEE80211_FEXT_SCANREQ; + } else + ieee80211_check_scan_current(vap); + break; + default: + break; + } + break; + case IEEE80211_S_CAC: + /* + * Start CAC on a DFS channel. We come here when starting + * a bss on a DFS channel (see ieee80211_create_ibss). + */ + ieee80211_dfs_cac_start(vap); + break; + case IEEE80211_S_RUN: + switch (ostate) { + case IEEE80211_S_INIT: + /* + * Already have a channel; bypass the + * scan and startup immediately. + * Note that ieee80211_create_ibss will call + * back to do a RUN->RUN state change. + */ + ieee80211_create_ibss(vap, + ieee80211_ht_adjust_channel(ic, + ic->ic_curchan, vap->iv_flags_ht)); + /* NB: iv_bss is changed on return */ + break; + case IEEE80211_S_CAC: + /* + * NB: This is the normal state change when CAC + * expires and no radar was detected; no need to + * clear the CAC timer as it's already expired. + */ + /* fall thru... */ + case IEEE80211_S_CSA: +#if 0 + /* + * Shorten inactivity timer of associated stations + * to weed out sta's that don't follow a CSA. + */ + ieee80211_iterate_nodes(&ic->ic_sta, sta_csa, vap); +#endif + /* + * Update bss node channel to reflect where + * we landed after CSA. + */ + ieee80211_node_set_chan(vap->iv_bss, + ieee80211_ht_adjust_channel(ic, ic->ic_curchan, + ieee80211_htchanflags(vap->iv_bss->ni_chan))); + /* XXX bypass debug msgs */ + break; + case IEEE80211_S_SCAN: + case IEEE80211_S_RUN: +#ifdef IEEE80211_DEBUG + if (ieee80211_msg_debug(vap)) { + struct ieee80211_node *ni = vap->iv_bss; + ieee80211_note(vap, + "synchronized with %s meshid ", + ether_sprintf(ni->ni_meshid)); + ieee80211_print_essid(ni->ni_meshid, + ni->ni_meshidlen); + /* XXX MCS/HT */ + printf(" channel %d\n", + ieee80211_chan2ieee(ic, ic->ic_curchan)); + } +#endif + break; + default: + break; + } + ieee80211_node_authorize(vap->iv_bss); + break; + default: + break; + } + + /* NB: ostate not nstate */ + ms->ms_ppath->mpp_newstate(vap, ostate, arg); + + return 0; +} + +/* + * Helper function to note the Mesh Peer Link FSM change. + */ +static void +mesh_linkchange(struct ieee80211_node *ni, enum ieee80211_mesh_mlstate state) +{ + struct ieee80211vap *vap = ni->ni_vap; + struct ieee80211_mesh_state *ms = vap->iv_mesh; +#ifdef IEEE80211_DEBUG + static const char *meshlinkstates[] = { + [IEEE80211_NODE_MESH_IDLE] = "IDLE", + [IEEE80211_NODE_MESH_OPENSNT] = "OPEN SENT", + [IEEE80211_NODE_MESH_OPENRCV] = "OPEN RECEIVED", + [IEEE80211_NODE_MESH_CONFIRMRCV] = "CONFIRM RECEIVED", + [IEEE80211_NODE_MESH_ESTABLISHED] = "ESTABLISHED", + [IEEE80211_NODE_MESH_HOLDING] = "HOLDING" + }; +#endif + IEEE80211_NOTE(vap, IEEE80211_MSG_MESH, + ni, "peer link: %s -> %s", + meshlinkstates[ni->ni_mlstate], meshlinkstates[state]); + + /* track neighbor count */ + if (state == IEEE80211_NODE_MESH_ESTABLISHED && + ni->ni_mlstate != IEEE80211_NODE_MESH_ESTABLISHED) { + KASSERT(ms->ms_neighbors < 65535, ("neighbor count overflow")); + ms->ms_neighbors++; + } else if (ni->ni_mlstate == IEEE80211_NODE_MESH_ESTABLISHED && + state != IEEE80211_NODE_MESH_ESTABLISHED) { + KASSERT(ms->ms_neighbors > 0, ("neighbor count 0")); + ms->ms_neighbors--; + } + ni->ni_mlstate = state; + if (state == IEEE80211_NODE_MESH_HOLDING) + ms->ms_ppath->mpp_peerdown(ni); +} + +/* + * Helper function to generate a unique local ID required for mesh + * peer establishment. + */ +static void +mesh_checkid(void *arg, struct ieee80211_node *ni) +{ + uint16_t *r = arg; + + if (*r == ni->ni_mllid) + *(uint16_t *)arg = 0; +} + +static uint32_t +mesh_generateid(struct ieee80211vap *vap) +{ + int maxiter = 4; + uint16_t r; + + do { + get_random_bytes(&r, 2); + ieee80211_iterate_nodes(&vap->iv_ic->ic_sta, mesh_checkid, &r); + maxiter--; + } while (r == 0 && maxiter > 0); + return r; +} + +/* + * Verifies if we already received this packet by checking its + * sequence number. + */ +static int +mesh_checkpseq(struct ieee80211vap *vap, + const uint8_t source[IEEE80211_ADDR_LEN], uint32_t seq) +{ + struct ieee80211_mesh_route *rt; + + rt = ieee80211_mesh_rt_find(vap, source); + if (rt == NULL) { + rt = ieee80211_mesh_rt_add(vap, source); + rt->rt_lastmseq = seq; + return 0; + } + if (IEEE80211_MESH_SEQ_GEQ(rt->rt_lastmseq, seq)) { + return 1; + } else { + rt->rt_lastmseq = seq; + return 0; + } +} + +/* + * Iterate the routing table and locate the next hop. + */ +static struct ieee80211_node * +mesh_find_txnode(struct ieee80211vap *vap, + const uint8_t dest[IEEE80211_ADDR_LEN]) +{ + struct ieee80211_mesh_route *rt; + + rt = ieee80211_mesh_rt_find(vap, dest); + if (rt == NULL) + return NULL; + return ieee80211_find_txnode(vap, rt->rt_nexthop); +} + +/* + * Forward the specified frame. + * Decrement the TTL and set TA to our MAC address. + */ +static void +mesh_forward(struct ieee80211vap *vap, struct mbuf *m, + const struct ieee80211_meshcntl *mc) +{ + struct ieee80211com *ic = vap->iv_ic; + struct ieee80211_mesh_state *ms = vap->iv_mesh; + struct ifnet *ifp = vap->iv_ifp; + struct ifnet *parent = ic->ic_ifp; + const struct ieee80211_frame *wh = + mtod(m, const struct ieee80211_frame *); + struct mbuf *mcopy; + struct ieee80211_meshcntl *mccopy; + struct ieee80211_frame *whcopy; + struct ieee80211_node *ni; + int err; + + if (mc->mc_ttl == 0) { + IEEE80211_NOTE_FRAME(vap, IEEE80211_MSG_MESH, wh, + "%s", "frame not fwd'd, ttl 0"); + vap->iv_stats.is_mesh_fwd_ttl++; + return; + } + if (!(ms->ms_flags & IEEE80211_MESHFLAGS_FWD)) { + IEEE80211_NOTE_FRAME(vap, IEEE80211_MSG_MESH, wh, + "%s", "frame not fwd'd, fwding disabled"); + vap->iv_stats.is_mesh_fwd_disabled++; + return; + } + mcopy = m_dup(m, M_DONTWAIT); + if (mcopy == NULL) { + IEEE80211_NOTE_FRAME(vap, IEEE80211_MSG_MESH, wh, + "%s", "frame not fwd'd, cannot dup"); + vap->iv_stats.is_mesh_fwd_nobuf++; + ifp->if_oerrors++; + return; + } + mcopy = m_pullup(mcopy, ieee80211_hdrspace(ic, wh) + + sizeof(struct ieee80211_meshcntl)); + if (mcopy == NULL) { + IEEE80211_NOTE_FRAME(vap, IEEE80211_MSG_MESH, wh, + "%s", "frame not fwd'd, too short"); + vap->iv_stats.is_mesh_fwd_tooshort++; + ifp->if_oerrors++; + m_freem(mcopy); + return; + } + whcopy = mtod(mcopy, struct ieee80211_frame *); + mccopy = (struct ieee80211_meshcntl *) + (mtod(mcopy, uint8_t *) + ieee80211_hdrspace(ic, wh)); + /* XXX clear other bits? */ + whcopy->i_fc[1] &= ~IEEE80211_FC1_RETRY; + IEEE80211_ADDR_COPY(whcopy->i_addr2, vap->iv_myaddr); + if (IEEE80211_IS_MULTICAST(wh->i_addr1)) { + ni = ieee80211_ref_node(vap->iv_bss); + mcopy->m_flags |= M_MCAST; + } else { + ni = mesh_find_txnode(vap, whcopy->i_addr3); + if (ni == NULL) { + IEEE80211_NOTE_FRAME(vap, IEEE80211_MSG_MESH, wh, + "%s", "frame not fwd'd, no path"); + vap->iv_stats.is_mesh_fwd_nopath++; + m_freem(mcopy); + return; + } + IEEE80211_ADDR_COPY(whcopy->i_addr1, ni->ni_macaddr); + } + IEEE80211_NOTE(vap, IEEE80211_MSG_MESH, ni, + "fwd %s frame from %s ttl %d", + IEEE80211_IS_MULTICAST(wh->i_addr1) ? "mcast" : "ucast", + ether_sprintf(wh->i_addr3), mccopy->mc_ttl); + + KASSERT(mccopy->mc_ttl > 0, ("%s called with wrong ttl", __func__)); + mccopy->mc_ttl--; + + /* XXX calculate priority so drivers can find the tx queue */ + M_WME_SETAC(mcopy, WME_AC_BE); + + /* XXX do we know m_nextpkt is NULL? */ + mcopy->m_pkthdr.rcvif = (void *) ni; + err = parent->if_transmit(parent, mcopy); + if (err != 0) { + /* NB: IFQ_HANDOFF reclaims mbuf */ + ieee80211_free_node(ni); + } else { + ifp->if_opackets++; + } +} + +static int +mesh_input(struct ieee80211_node *ni, struct mbuf *m, int rssi, int nf) +{ +#define SEQ_LEQ(a,b) ((int)((a)-(b)) <= 0) +#define HAS_SEQ(type) ((type & 0x4) == 0) + struct ieee80211vap *vap = ni->ni_vap; + struct ieee80211com *ic = ni->ni_ic; + struct ifnet *ifp = vap->iv_ifp; + struct ieee80211_frame *wh; + const struct ieee80211_meshcntl *mc; + int hdrspace, need_tap; + uint8_t dir, type, subtype, qos; + uint32_t seq; + uint8_t *addr; + ieee80211_seq rxseq; + + KASSERT(ni != NULL, ("null node")); + ni->ni_inact = ni->ni_inact_reload; + + need_tap = 1; /* mbuf need to be tapped. */ + type = -1; /* undefined */ + + if (m->m_pkthdr.len < sizeof(struct ieee80211_frame_min)) { + IEEE80211_DISCARD_MAC(vap, IEEE80211_MSG_ANY, + ni->ni_macaddr, NULL, + "too short (1): len %u", m->m_pkthdr.len); + vap->iv_stats.is_rx_tooshort++; + goto out; + } + /* + * Bit of a cheat here, we use a pointer for a 3-address + * frame format but don't reference fields past outside + * ieee80211_frame_min w/o first validating the data is + * present. + */ + wh = mtod(m, struct ieee80211_frame *); + + if ((wh->i_fc[0] & IEEE80211_FC0_VERSION_MASK) != + IEEE80211_FC0_VERSION_0) { + IEEE80211_DISCARD_MAC(vap, IEEE80211_MSG_ANY, + ni->ni_macaddr, NULL, "wrong version %x", wh->i_fc[0]); + vap->iv_stats.is_rx_badversion++; + goto err; + } + dir = wh->i_fc[1] & IEEE80211_FC1_DIR_MASK; + type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK; + subtype = wh->i_fc[0] & IEEE80211_FC0_SUBTYPE_MASK; + if ((ic->ic_flags & IEEE80211_F_SCAN) == 0) { + IEEE80211_RSSI_LPF(ni->ni_avgrssi, rssi); + ni->ni_noise = nf; + if (HAS_SEQ(type)) { + uint8_t tid = ieee80211_gettid(wh); + + if (IEEE80211_QOS_HAS_SEQ(wh) && + TID_TO_WME_AC(tid) >= WME_AC_VI) + ic->ic_wme.wme_hipri_traffic++; + rxseq = le16toh(*(uint16_t *)wh->i_seq); + if ((ni->ni_flags & IEEE80211_NODE_HT) == 0 && + (wh->i_fc[1] & IEEE80211_FC1_RETRY) && + SEQ_LEQ(rxseq, ni->ni_rxseqs[tid])) { + /* duplicate, discard */ + IEEE80211_DISCARD_MAC(vap, IEEE80211_MSG_INPUT, + wh->i_addr1, "duplicate", + "seqno <%u,%u> fragno <%u,%u> tid %u", + rxseq >> IEEE80211_SEQ_SEQ_SHIFT, + ni->ni_rxseqs[tid] >> + IEEE80211_SEQ_SEQ_SHIFT, + rxseq & IEEE80211_SEQ_FRAG_MASK, + ni->ni_rxseqs[tid] & + IEEE80211_SEQ_FRAG_MASK, + tid); + vap->iv_stats.is_rx_dup++; + IEEE80211_NODE_STAT(ni, rx_dup); + goto out; + } + ni->ni_rxseqs[tid] = rxseq; + } + } +#ifdef IEEE80211_DEBUG + /* + * It's easier, but too expensive, to simulate different mesh + * topologies by consulting the ACL policy very early, so do this + * only under DEBUG. + * + * NB: this check is also done upon peering link initiation. + */ + if (vap->iv_acl != NULL && !vap->iv_acl->iac_check(vap, wh->i_addr2)) { + IEEE80211_DISCARD(vap, IEEE80211_MSG_ACL, + wh, NULL, "%s", "disallowed by ACL"); + vap->iv_stats.is_rx_acl++; + goto out; + } +#endif + switch (type) { + case IEEE80211_FC0_TYPE_DATA: + if (ni == vap->iv_bss) + goto out; + if (ni->ni_mlstate != IEEE80211_NODE_MESH_ESTABLISHED) { + IEEE80211_DISCARD_MAC(vap, IEEE80211_MSG_MESH, + ni->ni_macaddr, NULL, + "peer link not yet established (%d)", + ni->ni_mlstate); + vap->iv_stats.is_mesh_nolink++; + goto out; + } + if (dir != IEEE80211_FC1_DIR_FROMDS && + dir != IEEE80211_FC1_DIR_DSTODS) { + IEEE80211_DISCARD(vap, IEEE80211_MSG_INPUT, + wh, "data", "incorrect dir 0x%x", dir); + vap->iv_stats.is_rx_wrongdir++; + goto err; + } + /* pull up enough to get to the mesh control */ + hdrspace = ieee80211_hdrspace(ic, wh); + if (m->m_len < hdrspace + sizeof(struct ieee80211_meshcntl) && + (m = m_pullup(m, hdrspace + + sizeof(struct ieee80211_meshcntl))) == NULL) { + IEEE80211_DISCARD_MAC(vap, IEEE80211_MSG_ANY, + ni->ni_macaddr, NULL, + "data too short: expecting %u", hdrspace); + vap->iv_stats.is_rx_tooshort++; + goto out; /* XXX */ + } + /* + * Now calculate the full extent of the headers. Note + * ieee80211_decap will pull up anything we didn't get + * above when it strips the 802.11 headers. + */ + mc = (const struct ieee80211_meshcntl *) + (mtod(m, const uint8_t *) + hdrspace); + hdrspace += sizeof(struct ieee80211_meshcntl) + + (mc->mc_flags & 3) * IEEE80211_ADDR_LEN; + seq = LE_READ_4(mc->mc_seq); + if (IEEE80211_IS_MULTICAST(wh->i_addr1)) + addr = wh->i_addr3; + else + addr = ((struct ieee80211_qosframe_addr4 *)wh)->i_addr4; + if (IEEE80211_ADDR_EQ(vap->iv_myaddr, addr)) { + IEEE80211_DISCARD_MAC(vap, IEEE80211_MSG_INPUT, + addr, "data", "%s", "not to me"); + vap->iv_stats.is_rx_wrongbss++; /* XXX kinda */ + goto out; + } + if (mesh_checkpseq(vap, addr, seq) != 0) { + IEEE80211_DISCARD_MAC(vap, IEEE80211_MSG_MESH, + addr, "data", "duplicate mesh seqno %u ttl %u", + seq, mc->mc_ttl); + vap->iv_stats.is_rx_dup++; + goto out; + } + + /* + * Potentially forward packet. See table s36 (p140) + * for the rules. XXX tap fwd'd packets not for us? + */ + if (dir == IEEE80211_FC1_DIR_FROMDS || + !IEEE80211_ADDR_EQ(wh->i_addr3, vap->iv_myaddr)) { + mesh_forward(vap, m, mc); + if (dir == IEEE80211_FC1_DIR_DSTODS) + goto out; + /* NB: fall thru to deliver mcast frames locally */ + } + + /* + * Save QoS bits for use below--before we strip the header. + */ + if (subtype == IEEE80211_FC0_SUBTYPE_QOS) { + qos = (dir == IEEE80211_FC1_DIR_DSTODS) ? + ((struct ieee80211_qosframe_addr4 *)wh)->i_qos[0] : + ((struct ieee80211_qosframe *)wh)->i_qos[0]; + } else + qos = 0; + /* + * Next up, any fragmentation. + */ + if (!IEEE80211_IS_MULTICAST(wh->i_addr1)) { + m = ieee80211_defrag(ni, m, hdrspace); + if (m == NULL) { + /* Fragment dropped or frame not complete yet */ + goto out; + } + } + wh = NULL; /* no longer valid, catch any uses */ + + if (ieee80211_radiotap_active_vap(vap)) + ieee80211_radiotap_rx(vap, m); + need_tap = 0; + + /* + * Finally, strip the 802.11 header. + */ + m = ieee80211_decap(vap, m, hdrspace); + if (m == NULL) { + /* XXX mask bit to check for both */ + /* don't count Null data frames as errors */ + if (subtype == IEEE80211_FC0_SUBTYPE_NODATA || + subtype == IEEE80211_FC0_SUBTYPE_QOS_NULL) + goto out; + IEEE80211_DISCARD_MAC(vap, IEEE80211_MSG_INPUT, + ni->ni_macaddr, "data", "%s", "decap error"); + vap->iv_stats.is_rx_decap++; + IEEE80211_NODE_STAT(ni, rx_decap); + goto err; + } + if (qos & IEEE80211_QOS_AMSDU) { + m = ieee80211_decap_amsdu(ni, m); + if (m == NULL) + return IEEE80211_FC0_TYPE_DATA; + } else { +#ifdef IEEE80211_SUPPORT_SUPERG + m = ieee80211_decap_fastframe(vap, ni, m); + if (m == NULL) + return IEEE80211_FC0_TYPE_DATA; +#endif + } + ieee80211_deliver_data(vap, ni, m); + return type; + case IEEE80211_FC0_TYPE_MGT: + vap->iv_stats.is_rx_mgmt++; + IEEE80211_NODE_STAT(ni, rx_mgmt); + if (dir != IEEE80211_FC1_DIR_NODS) { + IEEE80211_DISCARD(vap, IEEE80211_MSG_INPUT, + wh, "mgt", "incorrect dir 0x%x", dir); + vap->iv_stats.is_rx_wrongdir++; + goto err; + } + if (m->m_pkthdr.len < sizeof(struct ieee80211_frame)) { + IEEE80211_DISCARD_MAC(vap, IEEE80211_MSG_ANY, + ni->ni_macaddr, "mgt", "too short: len %u", + m->m_pkthdr.len); + vap->iv_stats.is_rx_tooshort++; + goto out; + } +#ifdef IEEE80211_DEBUG + if ((ieee80211_msg_debug(vap) && + (vap->iv_ic->ic_flags & IEEE80211_F_SCAN)) || + ieee80211_msg_dumppkts(vap)) { + if_printf(ifp, "received %s from %s rssi %d\n", + ieee80211_mgt_subtype_name[subtype >> + IEEE80211_FC0_SUBTYPE_SHIFT], + ether_sprintf(wh->i_addr2), rssi); + } +#endif + if (wh->i_fc[1] & IEEE80211_FC1_WEP) { + IEEE80211_DISCARD(vap, IEEE80211_MSG_INPUT, + wh, NULL, "%s", "WEP set but not permitted"); + vap->iv_stats.is_rx_mgtdiscard++; /* XXX */ + goto out; + } + vap->iv_recv_mgmt(ni, m, subtype, rssi, nf); + goto out; + case IEEE80211_FC0_TYPE_CTL: + vap->iv_stats.is_rx_ctl++; + IEEE80211_NODE_STAT(ni, rx_ctrl); + goto out; + default: + IEEE80211_DISCARD(vap, IEEE80211_MSG_ANY, + wh, "bad", "frame type 0x%x", type); + /* should not come here */ + break; + } +err: + ifp->if_ierrors++; +out: + if (m != NULL) { + if (need_tap && ieee80211_radiotap_active_vap(vap)) + ieee80211_radiotap_rx(vap, m); + m_freem(m); + } + return type; +} + +static void +mesh_recv_mgmt(struct ieee80211_node *ni, struct mbuf *m0, int subtype, + int rssi, int nf) +{ + struct ieee80211vap *vap = ni->ni_vap; + struct ieee80211_mesh_state *ms = vap->iv_mesh; + struct ieee80211com *ic = ni->ni_ic; + struct ieee80211_frame *wh; + uint8_t *frm, *efrm; + + wh = mtod(m0, struct ieee80211_frame *); + frm = (uint8_t *)&wh[1]; + efrm = mtod(m0, uint8_t *) + m0->m_len; + switch (subtype) { + case IEEE80211_FC0_SUBTYPE_PROBE_RESP: + case IEEE80211_FC0_SUBTYPE_BEACON: + { + struct ieee80211_scanparams scan; + /* + * We process beacon/probe response + * frames to discover neighbors. + */ + if (ieee80211_parse_beacon(ni, m0, &scan) != 0) + return; + /* + * Count frame now that we know it's to be processed. + */ + if (subtype == IEEE80211_FC0_SUBTYPE_BEACON) { + vap->iv_stats.is_rx_beacon++; /* XXX remove */ + IEEE80211_NODE_STAT(ni, rx_beacons); + } else + IEEE80211_NODE_STAT(ni, rx_proberesp); + /* + * If scanning, just pass information to the scan module. + */ + if (ic->ic_flags & IEEE80211_F_SCAN) { + if (ic->ic_flags_ext & IEEE80211_FEXT_PROBECHAN) { + /* + * Actively scanning a channel marked passive; + * send a probe request now that we know there + * is 802.11 traffic present. + * + * XXX check if the beacon we recv'd gives + * us what we need and suppress the probe req + */ + ieee80211_probe_curchan(vap, 1); + ic->ic_flags_ext &= ~IEEE80211_FEXT_PROBECHAN; + } + ieee80211_add_scan(vap, &scan, wh, + subtype, rssi, nf); + return; + } + + /* The rest of this code assumes we are running */ + if (vap->iv_state != IEEE80211_S_RUN) + return; + /* + * Ignore non-mesh STAs. + */ + if ((scan.capinfo & + (IEEE80211_CAPINFO_ESS|IEEE80211_CAPINFO_IBSS)) || + scan.meshid == NULL || scan.meshconf == NULL) { + IEEE80211_DISCARD(vap, IEEE80211_MSG_INPUT, + wh, "beacon", "%s", "not a mesh sta"); + vap->iv_stats.is_mesh_wrongmesh++; + return; + } + /* + * Ignore STAs for other mesh networks. + */ + if (memcmp(scan.meshid+2, ms->ms_id, ms->ms_idlen) != 0 || + mesh_verify_meshconf(vap, scan.meshconf)) { + IEEE80211_DISCARD(vap, IEEE80211_MSG_INPUT, + wh, "beacon", "%s", "not for our mesh"); + vap->iv_stats.is_mesh_wrongmesh++; + return; + } + /* + * Peer only based on the current ACL policy. + */ + if (vap->iv_acl != NULL && + !vap->iv_acl->iac_check(vap, wh->i_addr2)) { + IEEE80211_DISCARD(vap, IEEE80211_MSG_ACL, + wh, NULL, "%s", "disallowed by ACL"); + vap->iv_stats.is_rx_acl++; + return; + } + /* + * Do neighbor discovery. + */ + if (!IEEE80211_ADDR_EQ(wh->i_addr2, ni->ni_macaddr)) { + /* + * Create a new entry in the neighbor table. + */ + ni = ieee80211_add_neighbor(vap, wh, &scan); + } + /* + * Automatically peer with discovered nodes if possible. + * XXX backoff on repeated failure + */ + if (ni != vap->iv_bss && + (ms->ms_flags & IEEE80211_MESHFLAGS_AP) && + ni->ni_mlstate == IEEE80211_NODE_MESH_IDLE) { + uint16_t args[1]; + + ni->ni_mlpid = mesh_generateid(vap); + if (ni->ni_mlpid == 0) + return; + mesh_linkchange(ni, IEEE80211_NODE_MESH_OPENSNT); + args[0] = ni->ni_mlpid; + ieee80211_send_action(ni, + IEEE80211_ACTION_CAT_MESHPEERING, + IEEE80211_ACTION_MESHPEERING_OPEN, args); + ni->ni_mlrcnt = 0; + mesh_peer_timeout_setup(ni); + } + break; + } + case IEEE80211_FC0_SUBTYPE_PROBE_REQ: + { + uint8_t *ssid, *meshid, *rates, *xrates; + uint8_t *sfrm; + + if (vap->iv_state != IEEE80211_S_RUN) { + IEEE80211_DISCARD(vap, IEEE80211_MSG_INPUT, + wh, NULL, "wrong state %s", + ieee80211_state_name[vap->iv_state]); + vap->iv_stats.is_rx_mgtdiscard++; + return; + } + if (IEEE80211_IS_MULTICAST(wh->i_addr2)) { + /* frame must be directed */ + IEEE80211_DISCARD(vap, IEEE80211_MSG_INPUT, + wh, NULL, "%s", "not unicast"); + vap->iv_stats.is_rx_mgtdiscard++; /* XXX stat */ + return; + } + /* + * prreq frame format + * [tlv] ssid + * [tlv] supported rates + * [tlv] extended supported rates + * [tlv] mesh id + */ + ssid = meshid = rates = xrates = NULL; + sfrm = frm; + while (efrm - frm > 1) { + IEEE80211_VERIFY_LENGTH(efrm - frm, frm[1] + 2, return); + switch (*frm) { + case IEEE80211_ELEMID_SSID: + ssid = frm; + break; + case IEEE80211_ELEMID_RATES: + rates = frm; + break; + case IEEE80211_ELEMID_XRATES: + xrates = frm; + break; + case IEEE80211_ELEMID_MESHID: + meshid = frm; + break; + } + frm += frm[2] + 2; + } + IEEE80211_VERIFY_ELEMENT(ssid, IEEE80211_NWID_LEN, return); + IEEE80211_VERIFY_ELEMENT(rates, IEEE80211_RATE_MAXSIZE, return); + if (xrates != NULL) + IEEE80211_VERIFY_ELEMENT(xrates, + IEEE80211_RATE_MAXSIZE - rates[1], return); + if (meshid != NULL) + IEEE80211_VERIFY_ELEMENT(meshid, + IEEE80211_MESHID_LEN, return); + /* NB: meshid, not ssid */ + IEEE80211_VERIFY_SSID(vap->iv_bss, meshid, return); + + /* XXX find a better class or define it's own */ + IEEE80211_NOTE_MAC(vap, IEEE80211_MSG_INPUT, wh->i_addr2, + "%s", "recv probe req"); + /* + * Some legacy 11b clients cannot hack a complete + * probe response frame. When the request includes + * only a bare-bones rate set, communicate this to + * the transmit side. + */ + ieee80211_send_proberesp(vap, wh->i_addr2, 0); + break; + } + case IEEE80211_FC0_SUBTYPE_ACTION: + if (vap->iv_state != IEEE80211_S_RUN) { + vap->iv_stats.is_rx_mgtdiscard++; + break; + } + /* + * We received an action for an unknown neighbor. + * XXX: wait for it to beacon or create ieee80211_node? + */ + if (ni == vap->iv_bss) { + IEEE80211_DISCARD(vap, IEEE80211_MSG_MESH, + wh, NULL, "%s", "unknown node"); + vap->iv_stats.is_rx_mgtdiscard++; + break; + } + /* + * Discard if not for us. + */ + if (!IEEE80211_ADDR_EQ(vap->iv_myaddr, wh->i_addr1) && + !IEEE80211_IS_MULTICAST(wh->i_addr1)) { + IEEE80211_DISCARD(vap, IEEE80211_MSG_MESH, + wh, NULL, "%s", "not for me"); + vap->iv_stats.is_rx_mgtdiscard++; + break; + } + /* XXX parse_action is a bit useless now */ + if (ieee80211_parse_action(ni, m0) == 0) + ic->ic_recv_action(ni, wh, frm, efrm); + break; + case IEEE80211_FC0_SUBTYPE_AUTH: + case IEEE80211_FC0_SUBTYPE_ASSOC_REQ: + case IEEE80211_FC0_SUBTYPE_REASSOC_REQ: + case IEEE80211_FC0_SUBTYPE_ASSOC_RESP: + case IEEE80211_FC0_SUBTYPE_REASSOC_RESP: + case IEEE80211_FC0_SUBTYPE_DEAUTH: + case IEEE80211_FC0_SUBTYPE_DISASSOC: + IEEE80211_DISCARD(vap, IEEE80211_MSG_INPUT, + wh, NULL, "%s", "not handled"); + vap->iv_stats.is_rx_mgtdiscard++; + return; + default: + IEEE80211_DISCARD(vap, IEEE80211_MSG_ANY, + wh, "mgt", "subtype 0x%x not handled", subtype); + vap->iv_stats.is_rx_badsubtype++; + break; + } +} + +/* + * Parse meshpeering action ie's for open+confirm frames; the + * important bits are returned in the supplied structure. + */ +static const struct ieee80211_meshpeer_ie * +mesh_parse_meshpeering_action(struct ieee80211_node *ni, + const struct ieee80211_frame *wh, /* XXX for VERIFY_LENGTH */ + const uint8_t *frm, const uint8_t *efrm, + struct ieee80211_meshpeer_ie *mp) +{ + struct ieee80211vap *vap = ni->ni_vap; + const struct ieee80211_meshpeer_ie *mpie; + const uint8_t *meshid, *meshconf, *meshpeerver, *meshpeer; + + meshid = meshconf = meshpeerver = meshpeer = NULL; + while (efrm - frm > 1) { + IEEE80211_VERIFY_LENGTH(efrm - frm, frm[1] + 2, return NULL); + switch (*frm) { + case IEEE80211_ELEMID_MESHPEERVER: + meshpeerver = frm; + break; + case IEEE80211_ELEMID_MESHID: + meshid = frm; + break; + case IEEE80211_ELEMID_MESHCONF: + meshconf = frm; + break; + case IEEE80211_ELEMID_MESHPEER: + meshpeer = frm; + mpie = (const struct ieee80211_meshpeer_ie *) frm; + memset(mp, 0, sizeof(*mp)); + mp->peer_subtype = mpie->peer_subtype; + mp->peer_llinkid = LE_READ_2(&mpie->peer_llinkid); + /* NB: peer link ID is optional on these frames */ + if (mpie->peer_subtype == + IEEE80211_MESH_PEER_LINK_CLOSE && + mpie->peer_len == 5) { + mp->peer_linkid = 0; + mp->peer_rcode = LE_READ_2(&mpie->peer_linkid); + } else { + mp->peer_linkid = LE_READ_2(&mpie->peer_linkid); + mp->peer_rcode = LE_READ_2(&mpie->peer_rcode); + } + break; + } + frm += frm[1] + 2; + } + + /* + * Verify the contents of the frame. Action frames with + * close subtype don't have a Mesh Configuration IE. + * If if fails validation, close the peer link. + */ + KASSERT(meshpeer != NULL && mp->peer_subtype != + IEEE80211_ACTION_MESHPEERING_CLOSE, ("parsing close action")); + + if (mesh_verify_meshpeerver(vap, meshpeerver) || + mesh_verify_meshid(vap, meshid) || + mesh_verify_meshpeer(vap, meshpeer) || + mesh_verify_meshconf(vap, meshconf)) { + uint16_t args[3]; + + IEEE80211_DISCARD(vap, + IEEE80211_MSG_ACTION | IEEE80211_MSG_MESH, + wh, NULL, "%s", "not for our mesh"); + vap->iv_stats.is_rx_mgtdiscard++; + switch (ni->ni_mlstate) { + case IEEE80211_NODE_MESH_IDLE: + case IEEE80211_NODE_MESH_ESTABLISHED: + case IEEE80211_NODE_MESH_HOLDING: + /* ignore */ + break; + case IEEE80211_NODE_MESH_OPENSNT: + case IEEE80211_NODE_MESH_OPENRCV: + case IEEE80211_NODE_MESH_CONFIRMRCV: + args[0] = ni->ni_mlpid; + args[1] = ni->ni_mllid; + args[2] = IEEE80211_REASON_PEER_LINK_CANCELED; + ieee80211_send_action(ni, + IEEE80211_ACTION_CAT_MESHPEERING, + IEEE80211_ACTION_MESHPEERING_CLOSE, + args); + mesh_linkchange(ni, IEEE80211_NODE_MESH_HOLDING); + mesh_peer_timeout_setup(ni); + break; + } + return NULL; + } + return (const struct ieee80211_meshpeer_ie *) mp; +} + +static int +mesh_recv_action_meshpeering_open(struct ieee80211_node *ni, + const struct ieee80211_frame *wh, + const uint8_t *frm, const uint8_t *efrm) +{ + struct ieee80211vap *vap = ni->ni_vap; + struct ieee80211_meshpeer_ie ie; + const struct ieee80211_meshpeer_ie *meshpeer; + uint16_t args[3]; + + /* +2+2 for action + code + capabilites */ + meshpeer = mesh_parse_meshpeering_action(ni, wh, frm+2+2, efrm, &ie); + if (meshpeer == NULL) { + return 0; + } + + /* XXX move up */ + IEEE80211_NOTE(vap, IEEE80211_MSG_ACTION | IEEE80211_MSG_MESH, ni, + "recv PEER OPEN, lid 0x%x", meshpeer->peer_llinkid); + + switch (ni->ni_mlstate) { + case IEEE80211_NODE_MESH_IDLE: + mesh_linkchange(ni, IEEE80211_NODE_MESH_OPENRCV); + ni->ni_mllid = meshpeer->peer_llinkid; + ni->ni_mlpid = mesh_generateid(vap); + if (ni->ni_mlpid == 0) + return 0; /* XXX */ + args[0] = ni->ni_mlpid; + /* Announce we're open too... */ + ieee80211_send_action(ni, + IEEE80211_ACTION_CAT_MESHPEERING, + IEEE80211_ACTION_MESHPEERING_OPEN, args); + /* ...and confirm the link. */ + args[0] = ni->ni_mlpid; + args[1] = ni->ni_mllid; + ieee80211_send_action(ni, + IEEE80211_ACTION_CAT_MESHPEERING, + IEEE80211_ACTION_MESHPEERING_CONFIRM, + args); + mesh_peer_timeout_setup(ni); + break; + case IEEE80211_NODE_MESH_OPENRCV: + /* Wrong Link ID */ + if (ni->ni_mllid != meshpeer->peer_llinkid) { + args[0] = ni->ni_mllid; + args[1] = ni->ni_mlpid; + args[2] = IEEE80211_REASON_PEER_LINK_CANCELED; + ieee80211_send_action(ni, + IEEE80211_ACTION_CAT_MESHPEERING, + IEEE80211_ACTION_MESHPEERING_CLOSE, + args); + mesh_linkchange(ni, IEEE80211_NODE_MESH_HOLDING); + mesh_peer_timeout_setup(ni); + break; + } + /* Duplicate open, confirm again. */ + args[0] = ni->ni_mlpid; + args[1] = ni->ni_mllid; + ieee80211_send_action(ni, + IEEE80211_ACTION_CAT_MESHPEERING, + IEEE80211_ACTION_MESHPEERING_CONFIRM, + args); + break; + case IEEE80211_NODE_MESH_OPENSNT: + ni->ni_mllid = meshpeer->peer_llinkid; + mesh_linkchange(ni, IEEE80211_NODE_MESH_OPENRCV); + args[0] = ni->ni_mlpid; + args[1] = ni->ni_mllid; + ieee80211_send_action(ni, + IEEE80211_ACTION_CAT_MESHPEERING, + IEEE80211_ACTION_MESHPEERING_CONFIRM, + args); + /* NB: don't setup/clear any timeout */ + break; + case IEEE80211_NODE_MESH_CONFIRMRCV: + if (ni->ni_mlpid != meshpeer->peer_linkid || + ni->ni_mllid != meshpeer->peer_llinkid) { + args[0] = ni->ni_mlpid; + args[1] = ni->ni_mllid; + args[2] = IEEE80211_REASON_PEER_LINK_CANCELED; + ieee80211_send_action(ni, + IEEE80211_ACTION_CAT_MESHPEERING, + IEEE80211_ACTION_MESHPEERING_CLOSE, + args); + mesh_linkchange(ni, + IEEE80211_NODE_MESH_HOLDING); + mesh_peer_timeout_setup(ni); + break; + } + mesh_linkchange(ni, IEEE80211_NODE_MESH_ESTABLISHED); + ni->ni_mllid = meshpeer->peer_llinkid; + args[0] = ni->ni_mlpid; + args[1] = ni->ni_mllid; + ieee80211_send_action(ni, + IEEE80211_ACTION_CAT_MESHPEERING, + IEEE80211_ACTION_MESHPEERING_CONFIRM, + args); + mesh_peer_timeout_stop(ni); + break; + case IEEE80211_NODE_MESH_ESTABLISHED: + if (ni->ni_mllid != meshpeer->peer_llinkid) { + args[0] = ni->ni_mllid; + args[1] = ni->ni_mlpid; + args[2] = IEEE80211_REASON_PEER_LINK_CANCELED; + ieee80211_send_action(ni, + IEEE80211_ACTION_CAT_MESHPEERING, + IEEE80211_ACTION_MESHPEERING_CLOSE, + args); + mesh_linkchange(ni, IEEE80211_NODE_MESH_HOLDING); + mesh_peer_timeout_setup(ni); + break; + } + args[0] = ni->ni_mlpid; + args[1] = ni->ni_mllid; + ieee80211_send_action(ni, + IEEE80211_ACTION_CAT_MESHPEERING, + IEEE80211_ACTION_MESHPEERING_CONFIRM, + args); + break; + case IEEE80211_NODE_MESH_HOLDING: + args[0] = ni->ni_mlpid; + args[1] = meshpeer->peer_llinkid; + args[2] = IEEE80211_REASON_MESH_MAX_RETRIES; + ieee80211_send_action(ni, + IEEE80211_ACTION_CAT_MESHPEERING, + IEEE80211_ACTION_MESHPEERING_CLOSE, + args); + break; + } + return 0; +} + +static int +mesh_recv_action_meshpeering_confirm(struct ieee80211_node *ni, + const struct ieee80211_frame *wh, + const uint8_t *frm, const uint8_t *efrm) +{ + struct ieee80211vap *vap = ni->ni_vap; + struct ieee80211_meshpeer_ie ie; + const struct ieee80211_meshpeer_ie *meshpeer; + uint16_t args[3]; + + /* +2+2+2+2 for action + code + capabilites + status code + AID */ + meshpeer = mesh_parse_meshpeering_action(ni, wh, frm+2+2+2+2, efrm, &ie); + if (meshpeer == NULL) { + return 0; + } + + IEEE80211_NOTE(vap, IEEE80211_MSG_ACTION | IEEE80211_MSG_MESH, ni, + "recv PEER CONFIRM, local id 0x%x, peer id 0x%x", + meshpeer->peer_llinkid, meshpeer->peer_linkid); + + switch (ni->ni_mlstate) { + case IEEE80211_NODE_MESH_OPENRCV: + mesh_linkchange(ni, IEEE80211_NODE_MESH_ESTABLISHED); + mesh_peer_timeout_stop(ni); + break; + case IEEE80211_NODE_MESH_OPENSNT: + mesh_linkchange(ni, IEEE80211_NODE_MESH_CONFIRMRCV); + break; + case IEEE80211_NODE_MESH_HOLDING: + args[0] = ni->ni_mlpid; + args[1] = meshpeer->peer_llinkid; + args[2] = IEEE80211_REASON_MESH_MAX_RETRIES; + ieee80211_send_action(ni, + IEEE80211_ACTION_CAT_MESHPEERING, + IEEE80211_ACTION_MESHPEERING_CLOSE, + args); + break; + case IEEE80211_NODE_MESH_CONFIRMRCV: + if (ni->ni_mllid != meshpeer->peer_llinkid) { + args[0] = ni->ni_mlpid; + args[1] = ni->ni_mllid; + args[2] = IEEE80211_REASON_PEER_LINK_CANCELED; + ieee80211_send_action(ni, + IEEE80211_ACTION_CAT_MESHPEERING, + IEEE80211_ACTION_MESHPEERING_CLOSE, + args); + mesh_linkchange(ni, IEEE80211_NODE_MESH_HOLDING); + mesh_peer_timeout_setup(ni); + } + break; + default: + IEEE80211_DISCARD(vap, + IEEE80211_MSG_ACTION | IEEE80211_MSG_MESH, + wh, NULL, "received confirm in invalid state %d", + ni->ni_mlstate); + vap->iv_stats.is_rx_mgtdiscard++; + break; + } + return 0; +} + +static int +mesh_recv_action_meshpeering_close(struct ieee80211_node *ni, + const struct ieee80211_frame *wh, + const uint8_t *frm, const uint8_t *efrm) +{ + uint16_t args[3]; + + IEEE80211_NOTE(ni->ni_vap, IEEE80211_MSG_ACTION | IEEE80211_MSG_MESH, + ni, "%s", "recv PEER CLOSE"); + + switch (ni->ni_mlstate) { + case IEEE80211_NODE_MESH_IDLE: + /* ignore */ + break; + case IEEE80211_NODE_MESH_OPENRCV: + case IEEE80211_NODE_MESH_OPENSNT: + case IEEE80211_NODE_MESH_CONFIRMRCV: + case IEEE80211_NODE_MESH_ESTABLISHED: + args[0] = ni->ni_mlpid; + args[1] = ni->ni_mllid; + args[2] = IEEE80211_REASON_MESH_CLOSE_RCVD; + ieee80211_send_action(ni, + IEEE80211_ACTION_CAT_MESHPEERING, + IEEE80211_ACTION_MESHPEERING_CLOSE, + args); + mesh_linkchange(ni, IEEE80211_NODE_MESH_HOLDING); + mesh_peer_timeout_setup(ni); + break; + case IEEE80211_NODE_MESH_HOLDING: + mesh_linkchange(ni, IEEE80211_NODE_MESH_IDLE); + mesh_peer_timeout_setup(ni); + break; + } + return 0; +} + +/* + * Link Metric handling. + */ +static int +mesh_recv_action_meshlmetric_req(struct ieee80211_node *ni, + const struct ieee80211_frame *wh, + const uint8_t *frm, const uint8_t *efrm) +{ + uint32_t metric; + + metric = mesh_airtime_calc(ni); + ieee80211_send_action(ni, + IEEE80211_ACTION_CAT_MESHLMETRIC, + IEEE80211_ACTION_MESHLMETRIC_REP, + &metric); + return 0; +} + +static int +mesh_recv_action_meshlmetric_rep(struct ieee80211_node *ni, + const struct ieee80211_frame *wh, + const uint8_t *frm, const uint8_t *efrm) +{ + return 0; +} + +static int +mesh_send_action(struct ieee80211_node *ni, struct mbuf *m) +{ + struct ieee80211_bpf_params params; + + memset(¶ms, 0, sizeof(params)); + params.ibp_pri = WME_AC_VO; + params.ibp_rate0 = ni->ni_txparms->mgmtrate; + /* XXX ucast/mcast */ + params.ibp_try0 = ni->ni_txparms->maxretry; + params.ibp_power = ni->ni_txpower; + return ieee80211_mgmt_output(ni, m, IEEE80211_FC0_SUBTYPE_ACTION, + ¶ms); +} + +#define ADDSHORT(frm, v) do { \ + frm[0] = (v) & 0xff; \ + frm[1] = (v) >> 8; \ + frm += 2; \ +} while (0) +#define ADDWORD(frm, v) do { \ + frm[0] = (v) & 0xff; \ + frm[1] = ((v) >> 8) & 0xff; \ + frm[2] = ((v) >> 16) & 0xff; \ + frm[3] = ((v) >> 24) & 0xff; \ + frm += 4; \ +} while (0) + +static int +mesh_send_action_meshpeering_open(struct ieee80211_node *ni, + int category, int action, void *args0) +{ + struct ieee80211vap *vap = ni->ni_vap; + struct ieee80211com *ic = ni->ni_ic; + uint16_t *args = args0; + const struct ieee80211_rateset *rs; + struct mbuf *m; + uint8_t *frm; + + IEEE80211_NOTE(vap, IEEE80211_MSG_ACTION | IEEE80211_MSG_MESH, ni, + "send PEER OPEN action: localid 0x%x", args[0]); + + IEEE80211_DPRINTF(vap, IEEE80211_MSG_NODE, + "ieee80211_ref_node (%s:%u) %p<%s> refcnt %d\n", __func__, __LINE__, + ni, ether_sprintf(ni->ni_macaddr), ieee80211_node_refcnt(ni)+1); + ieee80211_ref_node(ni); + + m = ieee80211_getmgtframe(&frm, + ic->ic_headroom + sizeof(struct ieee80211_frame), + sizeof(uint16_t) /* action+category */ + + sizeof(uint16_t) /* capabilites */ + + sizeof(struct ieee80211_meshpeerver_ie) + + 2 + IEEE80211_RATE_SIZE + + 2 + (IEEE80211_RATE_MAXSIZE - IEEE80211_RATE_SIZE) + + 2 + IEEE80211_MESHID_LEN + + sizeof(struct ieee80211_meshconf_ie) + + sizeof(struct ieee80211_meshpeer_ie) + ); + if (m != NULL) { + /* + * mesh peer open action frame format: + * [1] category + * [1] action + * [2] capabilities + * [tlv] mesh peer protocol version + * [tlv] rates + * [tlv] xrates + * [tlv] mesh id + * [tlv] mesh conf + * [tlv] mesh peer link mgmt + */ + *frm++ = category; + *frm++ = action; + ADDSHORT(frm, ieee80211_getcapinfo(vap, ni->ni_chan)); + frm = ieee80211_add_meshpeerver(frm, vap); + rs = ieee80211_get_suprates(ic, ic->ic_curchan); + frm = ieee80211_add_rates(frm, rs); + frm = ieee80211_add_xrates(frm, rs); + frm = ieee80211_add_meshid(frm, vap); + frm = ieee80211_add_meshconf(frm, vap); + frm = ieee80211_add_meshpeer(frm, IEEE80211_MESH_PEER_LINK_OPEN, + args[0], 0, 0); + m->m_pkthdr.len = m->m_len = frm - mtod(m, uint8_t *); + return mesh_send_action(ni, m); + } else { + vap->iv_stats.is_tx_nobuf++; + ieee80211_free_node(ni); + return ENOMEM; + } +} + +static int +mesh_send_action_meshpeering_confirm(struct ieee80211_node *ni, + int category, int action, void *args0) +{ + struct ieee80211vap *vap = ni->ni_vap; + struct ieee80211com *ic = ni->ni_ic; + uint16_t *args = args0; + const struct ieee80211_rateset *rs; + struct mbuf *m; + uint8_t *frm; + + IEEE80211_NOTE(vap, IEEE80211_MSG_ACTION | IEEE80211_MSG_MESH, ni, + "send PEER CONFIRM action: localid 0x%x, peerid 0x%x", + args[0], args[1]); + + IEEE80211_DPRINTF(vap, IEEE80211_MSG_NODE, + "ieee80211_ref_node (%s:%u) %p<%s> refcnt %d\n", __func__, __LINE__, + ni, ether_sprintf(ni->ni_macaddr), ieee80211_node_refcnt(ni)+1); + ieee80211_ref_node(ni); + + m = ieee80211_getmgtframe(&frm, + ic->ic_headroom + sizeof(struct ieee80211_frame), + sizeof(uint16_t) /* action+category */ + + sizeof(uint16_t) /* capabilites */ + + sizeof(uint16_t) /* status code */ + + sizeof(uint16_t) /* AID */ + + sizeof(struct ieee80211_meshpeerver_ie) + + 2 + IEEE80211_RATE_SIZE + + 2 + (IEEE80211_RATE_MAXSIZE - IEEE80211_RATE_SIZE) + + 2 + IEEE80211_MESHID_LEN + + sizeof(struct ieee80211_meshconf_ie) + + sizeof(struct ieee80211_meshpeer_ie) + ); + if (m != NULL) { + /* + * mesh peer confirm action frame format: + * [1] category + * [1] action + * [2] capabilities + * [2] status code + * [2] association id (peer ID) + * [tlv] mesh peer protocol version + * [tlv] rates + * [tlv] xrates + * [tlv] mesh id + * [tlv] mesh conf + * [tlv] mesh peer link mgmt + */ + *frm++ = category; + *frm++ = action; + ADDSHORT(frm, ieee80211_getcapinfo(vap, ni->ni_chan)); + ADDSHORT(frm, 0); /* status code */ + ADDSHORT(frm, args[1]); /* AID */ + frm = ieee80211_add_meshpeerver(frm, vap); + rs = ieee80211_get_suprates(ic, ic->ic_curchan); + frm = ieee80211_add_rates(frm, rs); + frm = ieee80211_add_xrates(frm, rs); + frm = ieee80211_add_meshid(frm, vap); + frm = ieee80211_add_meshconf(frm, vap); + frm = ieee80211_add_meshpeer(frm, + IEEE80211_MESH_PEER_LINK_CONFIRM, + args[0], args[1], 0); + m->m_pkthdr.len = m->m_len = frm - mtod(m, uint8_t *); + return mesh_send_action(ni, m); + } else { + vap->iv_stats.is_tx_nobuf++; + ieee80211_free_node(ni); + return ENOMEM; + } +} + +static int +mesh_send_action_meshpeering_close(struct ieee80211_node *ni, + int category, int action, void *args0) +{ + struct ieee80211vap *vap = ni->ni_vap; + struct ieee80211com *ic = ni->ni_ic; + uint16_t *args = args0; + struct mbuf *m; + uint8_t *frm; + + IEEE80211_NOTE(vap, IEEE80211_MSG_ACTION | IEEE80211_MSG_MESH, ni, + "send PEER CLOSE action: localid 0x%x, peerid 0x%x reason %d", + args[0], args[1], args[2]); + + IEEE80211_DPRINTF(vap, IEEE80211_MSG_NODE, + "ieee80211_ref_node (%s:%u) %p<%s> refcnt %d\n", __func__, __LINE__, + ni, ether_sprintf(ni->ni_macaddr), ieee80211_node_refcnt(ni)+1); + ieee80211_ref_node(ni); + + m = ieee80211_getmgtframe(&frm, + ic->ic_headroom + sizeof(struct ieee80211_frame), + sizeof(uint16_t) /* action+category */ + + sizeof(uint16_t) /* reason code */ + + sizeof(struct ieee80211_meshpeerver_ie) + + 2 + IEEE80211_MESHID_LEN + + sizeof(struct ieee80211_meshpeer_ie) + ); + if (m != NULL) { + /* + * mesh peer close action frame format: + * [1] category + * [1] action + * [2] reason code + * [tlv] mesh peer protocol version + * [tlv] mesh id + * [tlv] mesh peer link mgmt + */ + *frm++ = category; + *frm++ = action; + ADDSHORT(frm, args[2]); /* reason code */ + frm = ieee80211_add_meshpeerver(frm, vap); + frm = ieee80211_add_meshid(frm, vap); + frm = ieee80211_add_meshpeer(frm, + IEEE80211_MESH_PEER_LINK_CLOSE, + args[0], args[1], args[2]); + m->m_pkthdr.len = m->m_len = frm - mtod(m, uint8_t *); + return mesh_send_action(ni, m); + } else { + vap->iv_stats.is_tx_nobuf++; + ieee80211_free_node(ni); + return ENOMEM; + } +} + +static int +mesh_send_action_meshlink_request(struct ieee80211_node *ni, + int category, int action, void *arg0) +{ + struct ieee80211vap *vap = ni->ni_vap; + struct ieee80211com *ic = ni->ni_ic; + struct mbuf *m; + uint8_t *frm; + + IEEE80211_NOTE(vap, IEEE80211_MSG_ACTION | IEEE80211_MSG_MESH, ni, + "%s", "send LINK METRIC REQUEST action"); + + IEEE80211_DPRINTF(vap, IEEE80211_MSG_NODE, + "ieee80211_ref_node (%s:%u) %p<%s> refcnt %d\n", __func__, __LINE__, + ni, ether_sprintf(ni->ni_macaddr), ieee80211_node_refcnt(ni)+1); + ieee80211_ref_node(ni); + + m = ieee80211_getmgtframe(&frm, + ic->ic_headroom + sizeof(struct ieee80211_frame), + sizeof(uint16_t) /* action+category */ + ); + if (m != NULL) { + /* + * mesh link metric request + * [1] category + * [1] action + */ + *frm++ = category; + *frm++ = action; + m->m_pkthdr.len = m->m_len = frm - mtod(m, uint8_t *); + return mesh_send_action(ni, m); + } else { + vap->iv_stats.is_tx_nobuf++; + ieee80211_free_node(ni); + return ENOMEM; + } +} + +static int +mesh_send_action_meshlink_reply(struct ieee80211_node *ni, + int category, int action, void *args0) +{ + struct ieee80211vap *vap = ni->ni_vap; + struct ieee80211com *ic = ni->ni_ic; + uint32_t *metric = args0; + struct mbuf *m; + uint8_t *frm; + + IEEE80211_NOTE(vap, IEEE80211_MSG_ACTION | IEEE80211_MSG_MESH, ni, + "send LINK METRIC REPLY action: metric 0x%x", *metric); + + IEEE80211_DPRINTF(vap, IEEE80211_MSG_NODE, + "ieee80211_ref_node (%s:%u) %p<%s> refcnt %d\n", __func__, __LINE__, + ni, ether_sprintf(ni->ni_macaddr), ieee80211_node_refcnt(ni)+1); + ieee80211_ref_node(ni); + + m = ieee80211_getmgtframe(&frm, + ic->ic_headroom + sizeof(struct ieee80211_frame), + sizeof(uint16_t) /* action+category */ + + sizeof(struct ieee80211_meshlmetric_ie) + ); + if (m != NULL) { + /* + * mesh link metric reply + * [1] category + * [1] action + * [tlv] mesh link metric + */ + *frm++ = category; + *frm++ = action; + frm = ieee80211_add_meshlmetric(frm, *metric); + m->m_pkthdr.len = m->m_len = frm - mtod(m, uint8_t *); + return mesh_send_action(ni, m); + } else { + vap->iv_stats.is_tx_nobuf++; + ieee80211_free_node(ni); + return ENOMEM; + } +} + +static void +mesh_peer_timeout_setup(struct ieee80211_node *ni) +{ + switch (ni->ni_mlstate) { + case IEEE80211_NODE_MESH_HOLDING: + ni->ni_mltval = ieee80211_mesh_holdingtimeout; + break; + case IEEE80211_NODE_MESH_CONFIRMRCV: + ni->ni_mltval = ieee80211_mesh_confirmtimeout; + break; + case IEEE80211_NODE_MESH_IDLE: + ni->ni_mltval = 0; + break; + default: + ni->ni_mltval = ieee80211_mesh_retrytimeout; + break; + } + if (ni->ni_mltval) + callout_reset(&ni->ni_mltimer, ni->ni_mltval, + mesh_peer_timeout_cb, ni); +} + +/* + * Same as above but backoffs timer statisically 50%. + */ +static void +mesh_peer_timeout_backoff(struct ieee80211_node *ni) +{ + uint32_t r; + + r = arc4random(); + ni->ni_mltval += r % ni->ni_mltval; + callout_reset(&ni->ni_mltimer, ni->ni_mltval, mesh_peer_timeout_cb, + ni); +} + +static __inline void +mesh_peer_timeout_stop(struct ieee80211_node *ni) +{ + callout_stop(&ni->ni_mltimer); +} + +/* + * Mesh Peer Link Management FSM timeout handling. + */ +static void +mesh_peer_timeout_cb(void *arg) +{ + struct ieee80211_node *ni = (struct ieee80211_node *)arg; + uint16_t args[3]; + + IEEE80211_NOTE(ni->ni_vap, IEEE80211_MSG_MESH, + ni, "mesh link timeout, state %d, retry counter %d", + ni->ni_mlstate, ni->ni_mlrcnt); + + switch (ni->ni_mlstate) { + case IEEE80211_NODE_MESH_IDLE: + case IEEE80211_NODE_MESH_ESTABLISHED: + break; + case IEEE80211_NODE_MESH_OPENSNT: + case IEEE80211_NODE_MESH_OPENRCV: + if (ni->ni_mlrcnt == ieee80211_mesh_maxretries) { + args[0] = ni->ni_mlpid; + args[2] = IEEE80211_REASON_MESH_MAX_RETRIES; + ieee80211_send_action(ni, + IEEE80211_ACTION_CAT_MESHPEERING, + IEEE80211_ACTION_MESHPEERING_CLOSE, args); + ni->ni_mlrcnt = 0; + mesh_linkchange(ni, IEEE80211_NODE_MESH_HOLDING); + mesh_peer_timeout_setup(ni); + } else { + args[0] = ni->ni_mlpid; + ieee80211_send_action(ni, + IEEE80211_ACTION_CAT_MESHPEERING, + IEEE80211_ACTION_MESHPEERING_OPEN, args); + ni->ni_mlrcnt++; + mesh_peer_timeout_backoff(ni); + } + break; + case IEEE80211_NODE_MESH_CONFIRMRCV: + if (ni->ni_mlrcnt == ieee80211_mesh_maxretries) { + args[0] = ni->ni_mlpid; + args[2] = IEEE80211_REASON_MESH_CONFIRM_TIMEOUT; + ieee80211_send_action(ni, + IEEE80211_ACTION_CAT_MESHPEERING, + IEEE80211_ACTION_MESHPEERING_CLOSE, args); + ni->ni_mlrcnt = 0; + mesh_linkchange(ni, IEEE80211_NODE_MESH_HOLDING); + mesh_peer_timeout_setup(ni); + } else { + ni->ni_mlrcnt++; + mesh_peer_timeout_setup(ni); + } + break; + case IEEE80211_NODE_MESH_HOLDING: + mesh_linkchange(ni, IEEE80211_NODE_MESH_IDLE); + break; + } +} + +static __inline int +mesh_verify_meshpeerver(struct ieee80211vap *vap, const uint8_t *ie) +{ + static const uint8_t peer[4] = IEEE80211_MESHPEERVER_PEER; + const struct ieee80211_meshpeerver_ie *meshpeerver = + (const struct ieee80211_meshpeerver_ie *) ie; + + if (meshpeerver->peerver_len != + sizeof(struct ieee80211_meshpeerver_ie) - 2) + return 1; + return memcmp(meshpeerver->peerver_proto, peer, 4); +} + +static __inline int +mesh_verify_meshid(struct ieee80211vap *vap, const uint8_t *ie) +{ + struct ieee80211_mesh_state *ms = vap->iv_mesh; + + if (ie == NULL || ie[1] != ms->ms_idlen) + return 1; + return memcmp(ms->ms_id, ie + 2, ms->ms_idlen); +} + +/* + * Check if we are using the same algorithms for this mesh. + */ +static int +mesh_verify_meshconf(struct ieee80211vap *vap, const uint8_t *ie) +{ + static const uint8_t null[4] = IEEE80211_MESHCONF_NULL; + const struct ieee80211_meshconf_ie *meshconf = + (const struct ieee80211_meshconf_ie *) ie; + const struct ieee80211_mesh_state *ms = vap->iv_mesh; + + if (meshconf == NULL) + return 1; + if (meshconf->conf_ver != IEEE80211_MESHCONF_VERSION) { + IEEE80211_DPRINTF(vap, IEEE80211_MSG_MESH, + "wrong mesh conf version: %d\n", meshconf->conf_ver); + return 1; + } + if (memcmp(meshconf->conf_pselid, ms->ms_ppath->mpp_ie, 4) != 0) { + IEEE80211_DPRINTF(vap, IEEE80211_MSG_MESH, + "unknown path selection algorithm: 0x%x%x%x%x\n", + meshconf->conf_pselid[0], meshconf->conf_pselid[1], + meshconf->conf_pselid[2], meshconf->conf_pselid[3]); + return 1; + } + if (memcmp(meshconf->conf_pmetid, ms->ms_pmetric->mpm_ie, 4) != 0) { + IEEE80211_DPRINTF(vap, IEEE80211_MSG_MESH, + "unknown path metric algorithm: 0x%x%x%x%x\n", + meshconf->conf_pmetid[0], meshconf->conf_pmetid[1], + meshconf->conf_pmetid[2], meshconf->conf_pmetid[3]); + return 1; + } + if (memcmp(meshconf->conf_ccid, null, 4) != 0) { + IEEE80211_DPRINTF(vap, IEEE80211_MSG_MESH, + "unknown congestion sig algorithm: 0x%x%x%x%x\n", + meshconf->conf_ccid[0], meshconf->conf_ccid[1], + meshconf->conf_ccid[2], meshconf->conf_ccid[3]); + return 1; + } + if (memcmp(meshconf->conf_syncid, null, 4) != 0) { + IEEE80211_DPRINTF(vap, IEEE80211_MSG_MESH, + "unknown sync algorithm: 0x%x%x%x%x\n", + meshconf->conf_syncid[0], meshconf->conf_syncid[1], + meshconf->conf_syncid[2], meshconf->conf_syncid[3]); + return 1; + } + if (memcmp(meshconf->conf_authid, null, 4) != 0) { + IEEE80211_DPRINTF(vap, IEEE80211_MSG_MESH, + "unknown auth auth algorithm: 0x%x%x%x%x\n", + meshconf->conf_pselid[0], meshconf->conf_pselid[1], + meshconf->conf_pselid[2], meshconf->conf_pselid[3]); + return 1; + } + /* Not accepting peers */ + if (!(meshconf->conf_cap & IEEE80211_MESHCONF_CAP_AP)) { + IEEE80211_DPRINTF(vap, IEEE80211_MSG_MESH, + "not accepting peers: 0x%x\n", meshconf->conf_cap); + return 1; + } + return 0; +} + +static int +mesh_verify_meshpeer(struct ieee80211vap *vap, const uint8_t *ie) +{ + const struct ieee80211_meshpeer_ie *meshpeer = + (const struct ieee80211_meshpeer_ie *) ie; + + if (meshpeer == NULL) + return 1; + switch (meshpeer->peer_subtype) { + case IEEE80211_MESH_PEER_LINK_OPEN: + if (meshpeer->peer_len != 3) + return 1; + break; + case IEEE80211_MESH_PEER_LINK_CONFIRM: + if (meshpeer->peer_len != 5) + return 1; + break; + case IEEE80211_MESH_PEER_LINK_CLOSE: + if (meshpeer->peer_len < 5) + return 1; + if (meshpeer->peer_len == 5 && meshpeer->peer_linkid != 0) + return 1; + if (meshpeer->peer_rcode == 0) + return 1; + break; + } + return 0; +} + +/* + * Add a Mesh ID IE to a frame. + */ +uint8_t * +ieee80211_add_meshid(uint8_t *frm, struct ieee80211vap *vap) +{ + struct ieee80211_mesh_state *ms = vap->iv_mesh; + + KASSERT(vap->iv_opmode == IEEE80211_M_MBSS, ("not a mbss vap")); + + *frm++ = IEEE80211_ELEMID_MESHID; + *frm++ = ms->ms_idlen; + memcpy(frm, ms->ms_id, ms->ms_idlen); + return frm + ms->ms_idlen; +} + +/* + * Add a Mesh Configuration IE to a frame. + * For now just use HWMP routing, Airtime link metric, Null Congestion + * Signaling, Null Sync Protocol and Null Authentication. + */ +uint8_t * +ieee80211_add_meshconf(uint8_t *frm, struct ieee80211vap *vap) +{ + const struct ieee80211_mesh_state *ms = vap->iv_mesh; + static const uint8_t null[4] = IEEE80211_MESHCONF_NULL; + + KASSERT(vap->iv_opmode == IEEE80211_M_MBSS, ("not a MBSS vap")); + + *frm++ = IEEE80211_ELEMID_MESHCONF; + *frm++ = sizeof(struct ieee80211_meshconf_ie) - 2; + *frm++ = IEEE80211_MESHCONF_VERSION; + memcpy(frm, ms->ms_ppath->mpp_ie, 4); /* path selection */ + frm += 4; + memcpy(frm, ms->ms_pmetric->mpm_ie, 4); /* link metric */ + frm += 4; + /* XXX null for now */ + memcpy(frm, null, 4); /* congestion control */ + frm += 4; + memcpy(frm, null, 4); /* sync */ + frm += 4; + memcpy(frm, null, 4); /* auth */ + frm += 4; + /* NB: set the number of neighbors before the rest */ + *frm = (ms->ms_neighbors > 15 ? 15 : ms->ms_neighbors) << 1; + if (ms->ms_flags & IEEE80211_MESHFLAGS_PORTAL) + *frm |= IEEE80211_MESHCONF_FORM_MP; + frm += 1; + if (ms->ms_flags & IEEE80211_MESHFLAGS_AP) + *frm |= IEEE80211_MESHCONF_CAP_AP; + if (ms->ms_flags & IEEE80211_MESHFLAGS_FWD) + *frm |= IEEE80211_MESHCONF_CAP_FWRD; + frm += 1; + return frm; +} + +/* + * Add a Mesh Peer Protocol IE to a frame. + * XXX: needs to grow support for Abbreviated Handshake + */ +uint8_t * +ieee80211_add_meshpeerver(uint8_t *frm, struct ieee80211vap *vap) +{ + static struct ieee80211_meshpeerver_ie ie = { + .peerver_ie = IEEE80211_ELEMID_MESHPEERVER, + .peerver_len = 4, + .peerver_proto = IEEE80211_MESHPEERVER_PEER, + }; + + KASSERT(vap->iv_opmode == IEEE80211_M_MBSS, ("not a MBSS vap")); + + memcpy(frm, &ie, sizeof(ie)); + return frm + sizeof(ie); +} + +/* + * Add a Mesh Peer Management IE to a frame. + */ +uint8_t * +ieee80211_add_meshpeer(uint8_t *frm, uint8_t subtype, uint16_t localid, + uint16_t peerid, uint16_t reason) +{ + KASSERT(localid != 0, ("localid == 0")); + + *frm++ = IEEE80211_ELEMID_MESHPEER; + switch (subtype) { + case IEEE80211_MESH_PEER_LINK_OPEN: + *frm++ = 3; /* length */ + *frm++ = subtype; + ADDSHORT(frm, localid); /* local ID */ + break; + case IEEE80211_MESH_PEER_LINK_CONFIRM: + KASSERT(peerid != 0, ("sending peer confirm without peer id")); + *frm++ = 5; /* length */ + *frm++ = subtype; + ADDSHORT(frm, localid); /* local ID */ + ADDSHORT(frm, peerid); /* peer ID */ + break; + case IEEE80211_MESH_PEER_LINK_CLOSE: + if (peerid) + *frm++ = 7; /* length */ + else + *frm++ = 5; /* length */ + *frm++ = subtype; + ADDSHORT(frm, localid); /* local ID */ + if (peerid) + ADDSHORT(frm, peerid); /* peer ID */ + ADDSHORT(frm, reason); + break; + } + return frm; +} + +/* + * Compute an Airtime Link Metric for the link with this node. + * + * Based on Draft 3.0 spec (11B.10, p.149). + */ +/* + * Max 802.11s overhead. + */ +#define IEEE80211_MESH_MAXOVERHEAD \ + (sizeof(struct ieee80211_qosframe_addr4) \ + + sizeof(struct ieee80211_meshcntl_ae11) \ + + sizeof(struct llc) \ + + IEEE80211_ADDR_LEN \ + + IEEE80211_WEP_IVLEN \ + + IEEE80211_WEP_KIDLEN \ + + IEEE80211_WEP_CRCLEN \ + + IEEE80211_WEP_MICLEN \ + + IEEE80211_CRC_LEN) +uint32_t +mesh_airtime_calc(struct ieee80211_node *ni) +{ +#define M_BITS 8 +#define S_FACTOR (2 * M_BITS) + struct ieee80211com *ic = ni->ni_ic; + struct ifnet *ifp = ni->ni_vap->iv_ifp; + const static int nbits = 8192 << M_BITS; + uint32_t overhead, rate, errrate; + uint64_t res; + + /* Time to transmit a frame */ + rate = ni->ni_txrate; + overhead = ieee80211_compute_duration(ic->ic_rt, + ifp->if_mtu + IEEE80211_MESH_MAXOVERHEAD, rate, 0) << M_BITS; + /* Error rate in percentage */ + /* XXX assuming small failures are ok */ + errrate = (((ifp->if_oerrors + + ifp->if_ierrors) / 100) << M_BITS) / 100; + res = (overhead + (nbits / rate)) * + ((1 << S_FACTOR) / ((1 << M_BITS) - errrate)); + + return (uint32_t)(res >> S_FACTOR); +#undef M_BITS +#undef S_FACTOR +} + +/* + * Add a Mesh Link Metric report IE to a frame. + */ +uint8_t * +ieee80211_add_meshlmetric(uint8_t *frm, uint32_t metric) +{ + *frm++ = IEEE80211_ELEMID_MESHLINK; + *frm++ = 4; + ADDWORD(frm, metric); + return frm; +} +#undef ADDSHORT +#undef ADDWORD + +/* + * Initialize any mesh-specific node state. + */ +void +ieee80211_mesh_node_init(struct ieee80211vap *vap, struct ieee80211_node *ni) +{ + ni->ni_flags |= IEEE80211_NODE_QOS; + callout_init(&ni->ni_mltimer, CALLOUT_MPSAFE); +} + +/* + * Cleanup any mesh-specific node state. + */ +void +ieee80211_mesh_node_cleanup(struct ieee80211_node *ni) +{ + struct ieee80211vap *vap = ni->ni_vap; + struct ieee80211_mesh_state *ms = vap->iv_mesh; + + callout_drain(&ni->ni_mltimer); + /* NB: short-circuit callbacks after mesh_vdetach */ + if (vap->iv_mesh != NULL) + ms->ms_ppath->mpp_peerdown(ni); +} + +void +ieee80211_parse_meshid(struct ieee80211_node *ni, const uint8_t *ie) +{ + ni->ni_meshidlen = ie[1]; + memcpy(ni->ni_meshid, ie + 2, ie[1]); +} + +/* + * Setup mesh-specific node state on neighbor discovery. + */ +void +ieee80211_mesh_init_neighbor(struct ieee80211_node *ni, + const struct ieee80211_frame *wh, + const struct ieee80211_scanparams *sp) +{ + ieee80211_parse_meshid(ni, sp->meshid); +} + +static int +mesh_ioctl_get80211(struct ieee80211vap *vap, struct ieee80211req *ireq) +{ + struct ieee80211_mesh_state *ms = vap->iv_mesh; + uint8_t tmpmeshid[IEEE80211_NWID_LEN]; + struct ieee80211_mesh_route *rt; + struct ieee80211req_mesh_route *imr; + size_t len, off; + uint8_t *p; + int error; + + if (vap->iv_opmode != IEEE80211_M_MBSS) + return ENOSYS; + + error = 0; + switch (ireq->i_type) { + case IEEE80211_IOC_MESH_ID: + ireq->i_len = ms->ms_idlen; + memcpy(tmpmeshid, ms->ms_id, ireq->i_len); + error = copyout(tmpmeshid, ireq->i_data, ireq->i_len); + break; + case IEEE80211_IOC_MESH_AP: + ireq->i_val = (ms->ms_flags & IEEE80211_MESHFLAGS_AP) != 0; + break; + case IEEE80211_IOC_MESH_FWRD: + ireq->i_val = (ms->ms_flags & IEEE80211_MESHFLAGS_FWD) != 0; + break; + case IEEE80211_IOC_MESH_TTL: + ireq->i_val = ms->ms_ttl; + break; + case IEEE80211_IOC_MESH_RTCMD: + switch (ireq->i_val) { + case IEEE80211_MESH_RTCMD_LIST: + len = 0; + MESH_RT_LOCK(ms); + TAILQ_FOREACH(rt, &ms->ms_routes, rt_next) { + len += sizeof(*imr); + } + MESH_RT_UNLOCK(ms); + if (len > ireq->i_len || ireq->i_len < sizeof(*imr)) { + ireq->i_len = len; + return ENOMEM; + } + ireq->i_len = len; + p = malloc(len, M_TEMP, M_NOWAIT | M_ZERO); + if (p == NULL) + return ENOMEM; + off = 0; + MESH_RT_LOCK(ms); + TAILQ_FOREACH(rt, &ms->ms_routes, rt_next) { + if (off >= len) + break; + imr = (struct ieee80211req_mesh_route *) + (p + off); + IEEE80211_ADDR_COPY(imr->imr_dest, + rt->rt_dest); + IEEE80211_ADDR_COPY(imr->imr_nexthop, + rt->rt_nexthop); + imr->imr_metric = rt->rt_metric; + imr->imr_nhops = rt->rt_nhops; + imr->imr_lifetime = rt->rt_lifetime; + off += sizeof(*imr); + } + MESH_RT_UNLOCK(ms); + error = copyout(p, (uint8_t *)ireq->i_data, + ireq->i_len); + free(p, M_TEMP); + break; + case IEEE80211_MESH_RTCMD_FLUSH: + case IEEE80211_MESH_RTCMD_ADD: + case IEEE80211_MESH_RTCMD_DELETE: + return EINVAL; + default: + return ENOSYS; + } + break; + case IEEE80211_IOC_MESH_PR_METRIC: + len = strlen(ms->ms_pmetric->mpm_descr); + if (ireq->i_len < len) + return EINVAL; + ireq->i_len = len; + error = copyout(ms->ms_pmetric->mpm_descr, + (uint8_t *)ireq->i_data, len); + break; + case IEEE80211_IOC_MESH_PR_PATH: + len = strlen(ms->ms_ppath->mpp_descr); + if (ireq->i_len < len) + return EINVAL; + ireq->i_len = len; + error = copyout(ms->ms_ppath->mpp_descr, + (uint8_t *)ireq->i_data, len); + break; + default: + return ENOSYS; + } + + return error; +} +IEEE80211_IOCTL_GET(mesh, mesh_ioctl_get80211); + +static int +mesh_ioctl_set80211(struct ieee80211vap *vap, struct ieee80211req *ireq) +{ + struct ieee80211_mesh_state *ms = vap->iv_mesh; + uint8_t tmpmeshid[IEEE80211_NWID_LEN]; + uint8_t tmpaddr[IEEE80211_ADDR_LEN]; + char tmpproto[IEEE80211_MESH_PROTO_DSZ]; + int error; + + if (vap->iv_opmode != IEEE80211_M_MBSS) + return ENOSYS; + + error = 0; + switch (ireq->i_type) { + case IEEE80211_IOC_MESH_ID: + if (ireq->i_val != 0 || ireq->i_len > IEEE80211_MESHID_LEN) + return EINVAL; + error = copyin(ireq->i_data, tmpmeshid, ireq->i_len); + if (error) + break; + memset(ms->ms_id, 0, IEEE80211_NWID_LEN); + ms->ms_idlen = ireq->i_len; + memcpy(ms->ms_id, tmpmeshid, ireq->i_len); + break; + case IEEE80211_IOC_MESH_AP: + if (ireq->i_val) + ms->ms_flags |= IEEE80211_MESHFLAGS_AP; + else + ms->ms_flags &= ~IEEE80211_MESHFLAGS_AP; + break; + case IEEE80211_IOC_MESH_FWRD: + if (ireq->i_val) + ms->ms_flags |= IEEE80211_MESHFLAGS_FWD; + else + ms->ms_flags &= ~IEEE80211_MESHFLAGS_FWD; + break; + case IEEE80211_IOC_MESH_TTL: + ms->ms_ttl = (uint8_t) ireq->i_val; + break; + case IEEE80211_IOC_MESH_RTCMD: + switch (ireq->i_val) { + case IEEE80211_MESH_RTCMD_LIST: + return EINVAL; + case IEEE80211_MESH_RTCMD_FLUSH: + ieee80211_mesh_rt_flush(vap); + break; + case IEEE80211_MESH_RTCMD_ADD: + if (IEEE80211_ADDR_EQ(vap->iv_myaddr, ireq->i_data) || + IEEE80211_ADDR_EQ(broadcastaddr, ireq->i_data)) + return EINVAL; + error = copyin(ireq->i_data, &tmpaddr, + IEEE80211_ADDR_LEN); + if (!error) + ieee80211_mesh_discover(vap, tmpaddr, NULL); + break; + case IEEE80211_MESH_RTCMD_DELETE: + ieee80211_mesh_rt_del(vap, ireq->i_data); + break; + default: + return ENOSYS; + } + break; + case IEEE80211_IOC_MESH_PR_METRIC: + error = copyin(ireq->i_data, tmpproto, sizeof(tmpproto)); + if (!error) + return mesh_select_proto_metric(vap, tmpproto); + break; + case IEEE80211_IOC_MESH_PR_PATH: + error = copyin(ireq->i_data, tmpproto, sizeof(tmpproto)); + if (!error) + return mesh_select_proto_path(vap, tmpproto); + break; + default: + return ENOSYS; + } + return error; +} +IEEE80211_IOCTL_SET(mesh, mesh_ioctl_set80211); diff --git a/sys/net80211/ieee80211_mesh.h b/sys/net80211/ieee80211_mesh.h new file mode 100644 index 0000000..595eece --- /dev/null +++ b/sys/net80211/ieee80211_mesh.h @@ -0,0 +1,505 @@ +/*- + * Copyright (c) 2009 The FreeBSD Foundation + * All rights reserved. + * + * This software was developed by Rui Paulo under sponsorship from the + * FreeBSD Foundation. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD$ + */ +#ifndef _NET80211_IEEE80211_MESH_H_ +#define _NET80211_IEEE80211_MESH_H_ + +#define IEEE80211_MESH_DEFAULT_TTL 31 + +/* + * NB: all structures are__packed so sizeof works on arm, et. al. + */ +/* + * 802.11s Information Elements. +*/ +/* Mesh Configuration */ +struct ieee80211_meshconf_ie { + uint8_t conf_ie; /* IEEE80211_ELEMID_MESHCONF */ + uint8_t conf_len; + uint8_t conf_ver; + uint8_t conf_pselid[4]; /* Active Path Sel. Proto. ID */ + uint8_t conf_pmetid[4]; /* APS Metric Identifier */ + uint8_t conf_ccid[4]; /* Congestion Control Mode ID */ + uint8_t conf_syncid[4]; /* Sync. Protocol ID */ + uint8_t conf_authid[4]; /* Auth. Protocol ID */ + uint8_t conf_form; /* Formation Information */ + uint8_t conf_cap; +} __packed; + +#define IEEE80211_MESHCONF_VERSION 1 +/* Null Protocol */ +#define IEEE80211_MESHCONF_NULL_OUI 0x00, 0x0f, 0xac +#define IEEE80211_MESHCONF_NULL_VALUE 0xff +#define IEEE80211_MESHCONF_NULL { IEEE80211_MESHCONF_NULL_OUI, \ + IEEE80211_MESHCONF_NULL_VALUE } +/* Hybrid Wireless Mesh Protocol */ +#define IEEE80211_MESHCONF_HWMP_OUI 0x00, 0x0f, 0xac +#define IEEE80211_MESHCONF_HWMP_VALUE 0x00 +#define IEEE80211_MESHCONF_HWMP { IEEE80211_MESHCONF_HWMP_OUI, \ + IEEE80211_MESHCONF_HWMP_VALUE } +/* Airtime Link Metric */ +#define IEEE80211_MESHCONF_AIRTIME_OUI 0x00, 0x0f, 0xac +#define IEEE80211_MESHCONF_AIRTIME_VALUE 0x00 +#define IEEE80211_MESHCONF_AIRTIME { IEEE80211_MESHCONF_AIRTIME_OUI, \ + IEEE80211_MESHCONF_AIRTIME_VALUE } +/* Congestion Control Signaling */ +#define IEEE80211_MESHCONF_CCSIG_OUI 0x00, 0x0f, 0xac +#define IEEE80211_MESHCONF_CCSIG_VALUE 0x00 +#define IEEE80211_MESHCONF_CCSIG { IEEE80211_MESHCONF_CCSIG_OUI,\ + IEEE80211_MESHCONF_CCSIG_VALUE } +/* Neighbour Offset */ +#define IEEE80211_MESHCONF_NEIGHOFF_OUI 0x00, 0x0f, 0xac +#define IEEE80211_MESHCONF_NEIGHOFF_VALUE 0x00 +#define IEEE80211_MESHCONF_NEIGHOFF { IEEE80211_MESHCONF_NEIGHOFF_OUI, \ + IEEE80211_MESHCONF_NEIGHOFF_VALUE } +/* Simultaneous Authenticaction of Equals */ +#define IEEE80211_MESHCONF_SAE_OUI 0x00, 0x0f, 0xac +#define IEEE80211_MESHCONF_SAE_VALUE 0x01 +#define IEEE80211_MESHCONF_SAE { IEEE80211_MESHCONF_SAE_OUI, \ + IEEE80211_MESHCONF_SAE_VALUE } +#define IEEE80211_MESHCONF_FORM_MP 0x01 /* Connected to Portal */ +#define IEEE80211_MESHCONF_FORM_NNEIGH_MASK 0x04 /* Number of Neighbours */ +#define IEEE80211_MESHCONF_CAP_AP 0x01 /* Accepting Peers */ +#define IEEE80211_MESHCONF_CAP_MCCAS 0x02 /* MCCA supported */ +#define IEEE80211_MESHCONF_CAP_MCCAE 0x04 /* MCCA enabled */ +#define IEEE80211_MESHCONF_CAP_FWRD 0x08 /* forwarding enabled */ +#define IEEE80211_MESHCONF_CAP_BTR 0x10 /* Beacon Timing Report Enab */ +#define IEEE80211_MESHCONF_CAP_TBTTA 0x20 /* TBTT Adj. Enabled */ +#define IEEE80211_MESHCONF_CAP_PSL 0x40 /* Power Save Level */ + +/* Mesh Identifier */ +struct ieee80211_meshid_ie { + uint8_t id_ie; /* IEEE80211_ELEMID_MESHID */ + uint8_t id_len; +} __packed; + +/* Link Metric Report */ +struct ieee80211_meshlmetric_ie { + uint8_t lm_ie; /* IEEE80211_ELEMID_MESHLINK */ + uint8_t lm_len; + uint32_t lm_metric; +#define IEEE80211_MESHLMETRIC_INITIALVAL 0 +} __packed; + +/* Congestion Notification */ +struct ieee80211_meshcngst_ie { + uint8_t cngst_ie; /* IEEE80211_ELEMID_MESHCNGST */ + uint8_t cngst_len; + uint16_t cngst_timer[4]; /* Expiration Timers: AC_BK, + AC_BE, AC_VI, AC_VO */ +} __packed; + +/* Peer Version */ +struct ieee80211_meshpeerver_ie { + uint8_t peerver_ie; /* IEEE80211_ELEMID_MESHPEERVER */ + uint8_t peerver_len; + uint8_t peerver_proto[4]; +} __packed; +/* Mesh Peering Management Protocol */ +#define IEEE80211_MESHPEERVER_PEER_OUI 0x00, 0x0f, 0xac +#define IEEE80211_MESHPEERVER_PEER_VALUE 0x2a +#define IEEE80211_MESHPEERVER_PEER { IEEE80211_MESHPEERVER_PEER_OUI, \ + IEEE80211_MESHPEERVER_PEER_VALUE } +/* Abbreviated Handshake Protocol */ +#define IEEE80211_MESHPEERVER_AH_OUI 0x00, 0x0f, 0xac +#define IEEE80211_MESHPEERVER_AH_VALUE 0x2b +#define IEEE80211_MESHPEERVER_AH { IEEE80211_MESHPEERVER_AH_OUI, \ + IEEE80211_MESHPEERVER_AH_VALUE } + +/* Peer Link Management */ +struct ieee80211_meshpeer_ie { + uint8_t peer_ie; /* IEEE80211_ELEMID_MESHPEER */ + uint8_t peer_len; + uint8_t peer_subtype; + uint16_t peer_llinkid; /* Local Link ID */ + uint16_t peer_linkid; /* Peer Link ID */ + uint16_t peer_rcode; +} __packed; + +enum { + IEEE80211_MESH_PEER_LINK_OPEN = 0, + IEEE80211_MESH_PEER_LINK_CONFIRM = 1, + IEEE80211_MESH_PEER_LINK_CLOSE = 2, + /* values 3-255 are reserved */ +}; + +#ifdef notyet +/* Mesh Channel Switch Annoucement */ +struct ieee80211_meshcsa_ie { + uint8_t csa_ie; /* IEEE80211_ELEMID_MESHCSA */ + uint8_t csa_len; + uint8_t csa_mode; + uint8_t csa_newclass; /* New Regulatory Class */ + uint8_t csa_newchan; + uint8_t csa_precvalue; /* Precedence Value */ + uint8_t csa_count; +} __packed; + +/* Mesh TIM */ +/* Equal to the non Mesh version */ + +/* Mesh Awake Window */ +struct ieee80211_meshawakew_ie { + uint8_t awakew_ie; /* IEEE80211_ELEMID_MESHAWAKEW */ + uint8_t awakew_len; + uint8_t awakew_windowlen; /* in TUs */ +} __packed; + +/* Mesh Beacon Timing */ +struct ieee80211_meshbeacont_ie { + uint8_t beacont_ie; /* IEEE80211_ELEMID_MESHBEACONT */ + uint8_t beacont_len; + struct { + uint8_t mp_aid; /* Least Octet of AID */ + uint16_t mp_btime; /* Beacon Time */ + uint16_t mp_bint; /* Beacon Interval */ + } __packed mp[1]; /* NB: variable size */ +} __packed; +#endif + +/* Portal (MP) Annoucement */ +struct ieee80211_meshpann_ie { + uint8_t pann_ie; /* IEEE80211_ELEMID_MESHPANN */ + uint8_t pann_len; + uint8_t pann_flags; + uint8_t pann_hopcount; + uint8_t pann_ttl; + uint8_t pann_addr[IEEE80211_ADDR_LEN]; + uint8_t pann_seq; /* PANN Sequence Number */ +} __packed; + +/* Root (MP) Annoucement */ +struct ieee80211_meshrann_ie { + uint8_t rann_ie; /* IEEE80211_ELEMID_MESHRANN */ + uint8_t rann_len; + uint8_t rann_flags; +#define IEEE80211_MESHRANN_FLAGS_PR 0x01 /* Portal Role */ + uint8_t rann_hopcount; + uint8_t rann_ttl; + uint8_t rann_addr[IEEE80211_ADDR_LEN]; + uint32_t rann_seq; /* HWMP Sequence Number */ + uint32_t rann_metric; +} __packed; + +/* Mesh Path Request */ +struct ieee80211_meshpreq_ie { + uint8_t preq_ie; /* IEEE80211_ELEMID_MESHPREQ */ + uint8_t preq_len; + uint8_t preq_flags; +#define IEEE80211_MESHPREQ_FLAGS_PR 0x01 /* Portal Role */ +#define IEEE80211_MESHPREQ_FLAGS_AM 0x02 /* 0 = ucast / 1 = bcast */ +#define IEEE80211_MESHPREQ_FLAGS_PP 0x04 /* Proactive PREP */ +#define IEEE80211_MESHPREQ_FLAGS_AE 0x40 /* Address Extension */ + uint8_t preq_hopcount; + uint8_t preq_ttl; + uint32_t preq_id; + uint8_t preq_origaddr[IEEE80211_ADDR_LEN]; + uint32_t preq_origseq; /* HWMP Sequence Number */ + /* NB: may have Originator Proxied Address */ + uint32_t preq_lifetime; + uint32_t preq_metric; + uint8_t preq_tcount; /* target count */ + struct { + uint8_t target_flags; +#define IEEE80211_MESHPREQ_TFLAGS_TO 0x01 /* Target Only */ +#define IEEE80211_MESHPREQ_TFLAGS_RF 0x02 /* Reply and Forward */ +#define IEEE80211_MESHPREQ_TFLAGS_USN 0x04 /* Unknown HWMP seq number */ + uint8_t target_addr[IEEE80211_ADDR_LEN]; + uint32_t target_seq; /* HWMP Sequence Number */ + } __packed preq_targets[1]; /* NB: variable size */ +} __packed; + +/* Mesh Path Reply */ +struct ieee80211_meshprep_ie { + uint8_t prep_ie; /* IEEE80211_ELEMID_MESHPREP */ + uint8_t prep_len; + uint8_t prep_flags; + uint8_t prep_hopcount; + uint8_t prep_ttl; + uint8_t prep_targetaddr[IEEE80211_ADDR_LEN]; + uint32_t prep_targetseq; + /* NB: May have Target Proxied Address */ + uint32_t prep_lifetime; + uint32_t prep_metric; + uint8_t prep_origaddr[IEEE80211_ADDR_LEN]; + uint32_t prep_origseq; /* HWMP Sequence Number */ +} __packed; + +/* Mesh Path Error */ +struct ieee80211_meshperr_ie { + uint8_t perr_ie; /* IEEE80211_ELEMID_MESHPERR */ + uint8_t perr_len; + uint8_t perr_mode; /* NB: reserved */ + uint8_t perr_ndests; /* Number of Destinations */ + struct { + uint8_t dest_addr[IEEE80211_ADDR_LEN]; + uint32_t dest_seq; /* HWMP Sequence Number */ + } __packed perr_dests[1]; /* NB: variable size */ +} __packed; + +#ifdef notyet +/* Mesh Proxy Update */ +struct ieee80211_meshpu_ie { + uint8_t pu_ie; /* IEEE80211_ELEMID_MESHPU */ + uint8_t pu_len; + uint8_t pu_flags; +#define IEEE80211_MESHPU_FLAGS_MASK 0x1 +#define IEEE80211_MESHPU_FLAGS_DEL 0x0 +#define IEEE80211_MESHPU_FLAGS_ADD 0x1 + uint8_t pu_seq; /* PU Sequence Number */ + uint8_t pu_addr[IEEE80211_ADDR_LEN]; + uint8_t pu_naddr; /* Number of Proxied Addresses */ + /* NB: proxied address follows */ +} __packed; + +/* Mesh Proxy Update Confirmation */ +struct ieee80211_meshpuc_ie { + uint8_t puc_ie; /* IEEE80211_ELEMID_MESHPUC */ + uint8_t puc_len; + uint8_t puc_flags; + uint8_t puc_seq; /* PU Sequence Number */ + uint8_t puc_daddr[IEEE80211_ADDR_LEN]; +} __packed; +#endif + +/* + * 802.11s Action Frames + */ +#define IEEE80211_ACTION_CAT_MESHPEERING 30 /* XXX Linux */ +#define IEEE80211_ACTION_CAT_MESHLMETRIC 13 +#define IEEE80211_ACTION_CAT_MESHPATH 32 /* XXX Linux */ +#define IEEE80211_ACTION_CAT_INTERWORK 15 +#define IEEE80211_ACTION_CAT_RESOURCE 16 +#define IEEE80211_ACTION_CAT_PROXY 17 + +/* + * Mesh Peering Action codes. + */ +enum { + IEEE80211_ACTION_MESHPEERING_OPEN = 0, + IEEE80211_ACTION_MESHPEERING_CONFIRM = 1, + IEEE80211_ACTION_MESHPEERING_CLOSE = 2, + /* 3-255 reserved */ +}; + +/* + * Mesh Path Selection Action codes. + */ +enum { + IEEE80211_ACTION_MESHPATH_REQ = 0, + IEEE80211_ACTION_MESHPATH_REP = 1, + IEEE80211_ACTION_MESHPATH_ERR = 2, + IEEE80211_ACTION_MESHPATH_RANN = 3, + /* 4-255 reserved */ +}; + +/* + * Mesh Link Metric Action codes. + */ +enum { + IEEE80211_ACTION_MESHLMETRIC_REQ = 0, /* Link Metric Request */ + IEEE80211_ACTION_MESHLMETRIC_REP = 1, /* Link Metric Report */ + /* 2-255 reserved */ +}; + +/* + * Mesh Portal Annoucement Action codes. + */ +enum { + IEEE80211_ACTION_MESHPANN = 0, + /* 1-255 reserved */ +}; + +/* + * Different mesh control structures based on the AE + * (Address Extension) bits. + */ +struct ieee80211_meshcntl { + uint8_t mc_flags; /* Address Extension 00 */ + uint8_t mc_ttl; /* TTL */ + uint8_t mc_seq[4]; /* Sequence No. */ + /* NB: more addresses may follow */ +} __packed; + +struct ieee80211_meshcntl_ae01 { + uint8_t mc_flags; /* Address Extension 01 */ + uint8_t mc_ttl; /* TTL */ + uint8_t mc_seq[4]; /* Sequence No. */ + uint8_t mc_addr4[IEEE80211_ADDR_LEN]; +} __packed; + +struct ieee80211_meshcntl_ae10 { + uint8_t mc_flags; /* Address Extension 10 */ + uint8_t mc_ttl; /* TTL */ + uint8_t mc_seq[4]; /* Sequence No. */ + uint8_t mc_addr5[IEEE80211_ADDR_LEN]; + uint8_t mc_addr6[IEEE80211_ADDR_LEN]; +} __packed; + +struct ieee80211_meshcntl_ae11 { + uint8_t mc_flags; /* Address Extension 11 */ + uint8_t mc_ttl; /* TTL */ + uint8_t mc_seq[4]; /* Sequence No. */ + uint8_t mc_addr4[IEEE80211_ADDR_LEN]; + uint8_t mc_addr5[IEEE80211_ADDR_LEN]; + uint8_t mc_addr6[IEEE80211_ADDR_LEN]; +} __packed; + +struct ieee80211req_mesh_route { + uint8_t imr_dest[IEEE80211_ADDR_LEN]; + uint8_t imr_nexthop[IEEE80211_ADDR_LEN]; + uint32_t imr_metric; + uint16_t imr_nhops; + uint32_t imr_lifetime; +}; + +#ifdef _KERNEL +MALLOC_DECLARE(M_80211_MESH_RT); +struct ieee80211_mesh_route { + TAILQ_ENTRY(ieee80211_mesh_route) rt_next; + uint8_t rt_dest[IEEE80211_ADDR_LEN]; + uint8_t rt_nexthop[IEEE80211_ADDR_LEN]; + uint32_t rt_metric; /* path metric */ + uint16_t rt_nhops; /* number of hops */ + uint32_t rt_lifetime; + uint32_t rt_lastmseq; /* last seq# seen dest */ + void *rt_priv; /* private data */ +}; +#define IEEE80211_MESH_ROUTE_PRIV(rt, cast) ((cast *)rt->rt_priv) + +#define IEEE80211_MESH_PROTO_DSZ 12 /* description size */ +/* + * Mesh Path Selection Protocol. + */ +enum ieee80211_state; +struct ieee80211_mesh_proto_path { + char mpp_descr[IEEE80211_MESH_PROTO_DSZ]; + uint8_t mpp_ie[4]; + struct ieee80211_node * + (*mpp_discover)(struct ieee80211vap *, + const uint8_t [IEEE80211_ADDR_LEN], + struct mbuf *); + void (*mpp_peerdown)(struct ieee80211_node *); + void (*mpp_vattach)(struct ieee80211vap *); + void (*mpp_vdetach)(struct ieee80211vap *); + int (*mpp_newstate)(struct ieee80211vap *, + enum ieee80211_state, int); + size_t mpp_privlen; /* size required in the routing table + for private data */ +}; + +/* + * Mesh Link Metric Report Protocol. + */ +struct ieee80211_mesh_proto_metric { + char mpm_descr[IEEE80211_MESH_PROTO_DSZ]; + uint8_t mpm_ie[4]; + uint32_t (*mpm_metric)(struct ieee80211_node *); +}; + +#ifdef notyet +/* + * Mesh Authentication Protocol. + */ +struct ieee80211_mesh_proto_auth { + uint8_t mpa_ie[4]; +}; + +struct ieee80211_mesh_proto_congestion { +}; + +struct ieee80211_mesh_proto_sync { +}; +#endif + +typedef uint32_t ieee80211_mesh_seq; +#define IEEE80211_MESH_SEQ_LEQ(a, b) ((int32_t)((a)-(b)) <= 0) +#define IEEE80211_MESH_SEQ_GEQ(a, b) ((int32_t)((a)-(b)) >= 0) + +struct ieee80211_mesh_state { + int ms_idlen; + uint8_t ms_id[IEEE80211_MESHID_LEN]; + ieee80211_mesh_seq ms_seq; /* seq no for meshcntl */ + uint16_t ms_neighbors; + uint8_t ms_ttl; /* mesh ttl set in packets */ +#define IEEE80211_MESHFLAGS_AP 0x01 /* accept peers */ +#define IEEE80211_MESHFLAGS_PORTAL 0x02 /* mesh portal role */ +#define IEEE80211_MESHFLAGS_FWD 0x04 /* forward packets */ + uint8_t ms_flags; + struct mtx ms_rt_lock; + TAILQ_HEAD(, ieee80211_mesh_route) ms_routes; + struct ieee80211_mesh_proto_metric *ms_pmetric; + struct ieee80211_mesh_proto_path *ms_ppath; +}; +void ieee80211_mesh_attach(struct ieee80211com *); +void ieee80211_mesh_detach(struct ieee80211com *); + +struct ieee80211_mesh_route * + ieee80211_mesh_rt_find(struct ieee80211vap *, + const uint8_t [IEEE80211_ADDR_LEN]); +struct ieee80211_mesh_route * + ieee80211_mesh_rt_add(struct ieee80211vap *, + const uint8_t [IEEE80211_ADDR_LEN]); +void ieee80211_mesh_rt_del(struct ieee80211vap *, + const uint8_t [IEEE80211_ADDR_LEN]); +void ieee80211_mesh_rt_flush(struct ieee80211vap *); + +int ieee80211_mesh_register_proto_path(const + struct ieee80211_mesh_proto_path *); +int ieee80211_mesh_register_proto_metric(const + struct ieee80211_mesh_proto_metric *); + +uint8_t * ieee80211_add_meshpeerver(uint8_t *, struct ieee80211vap *); +uint8_t * ieee80211_add_meshid(uint8_t *, struct ieee80211vap *); +uint8_t * ieee80211_add_meshconf(uint8_t *, struct ieee80211vap *); +uint8_t * ieee80211_add_meshpeer(uint8_t *, uint8_t, uint16_t, uint16_t, + uint16_t); +uint8_t * ieee80211_add_meshlmetric(uint8_t *, uint32_t); + +void ieee80211_mesh_node_init(struct ieee80211vap *, + struct ieee80211_node *); +void ieee80211_mesh_node_cleanup(struct ieee80211_node *); +void ieee80211_parse_meshid(struct ieee80211_node *, + const uint8_t *); +struct ieee80211_scanparams; +void ieee80211_mesh_init_neighbor(struct ieee80211_node *, + const struct ieee80211_frame *, + const struct ieee80211_scanparams *); + +static __inline struct ieee80211_node * +ieee80211_mesh_discover(struct ieee80211vap *vap, + const uint8_t dest[IEEE80211_ADDR_LEN], struct mbuf *m) +{ + struct ieee80211_mesh_state *ms = vap->iv_mesh; + return ms->ms_ppath->mpp_discover(vap, dest, m); +} + +#endif /* _KERNEL */ +#endif /* !_NET80211_IEEE80211_MESH_H_ */ diff --git a/sys/net80211/ieee80211_node.c b/sys/net80211/ieee80211_node.c index 7fae394..30508d9 100644 --- a/sys/net80211/ieee80211_node.c +++ b/sys/net80211/ieee80211_node.c @@ -50,10 +50,16 @@ __FBSDID("$FreeBSD$"); #include <net80211/ieee80211_tdma.h> #endif #include <net80211/ieee80211_wds.h> +#include <net80211/ieee80211_mesh.h> #include <net/bpf.h> /* + * IEEE80211_NODE_HASHSIZE must be a power of 2. + */ +CTASSERT((IEEE80211_NODE_HASHSIZE & (IEEE80211_NODE_HASHSIZE-1)) == 0); + +/* * Association id's are managed with a bit vector. */ #define IEEE80211_AID_SET(_vap, b) \ @@ -322,7 +328,8 @@ ieee80211_create_ibss(struct ieee80211vap* vap, struct ieee80211_channel *chan) struct ieee80211_node *ni; IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN, - "%s: creating ibss on channel %u\n", __func__, + "%s: creating %s on channel %u\n", __func__, + ieee80211_opmode_name[vap->iv_opmode], ieee80211_chan2ieee(ic, chan)); ni = ieee80211_alloc_node(&ic->ic_sta, vap, vap->iv_myaddr); @@ -360,6 +367,11 @@ ieee80211_create_ibss(struct ieee80211vap* vap, struct ieee80211_channel *chan) if ((vap->iv_caps & IEEE80211_C_TDMA) == 0) #endif memset(ni->ni_bssid, 0, IEEE80211_ADDR_LEN); +#ifdef IEEE80211_SUPPORT_MESH + } else if (vap->iv_opmode == IEEE80211_M_MBSS) { + ni->ni_meshidlen = vap->iv_mesh->ms_idlen; + memcpy(ni->ni_meshid, vap->iv_mesh->ms_id, ni->ni_meshidlen); +#endif } /* * Fix the channel and related attributes. @@ -609,6 +621,7 @@ gethtadjustflags(struct ieee80211com *ic) case IEEE80211_M_AHDEMO: case IEEE80211_M_HOSTAP: case IEEE80211_M_IBSS: + case IEEE80211_M_MBSS: flags |= ieee80211_htchanflags(vap->iv_bss->ni_chan); break; default: @@ -784,6 +797,10 @@ ieee80211_sta_join(struct ieee80211vap *vap, struct ieee80211_channel *chan, ieee80211_parse_htcap(ni, ni->ni_ies.htcap_ie); if (ni->ni_ies.htinfo_ie != NULL) ieee80211_parse_htinfo(ni, ni->ni_ies.htinfo_ie); +#ifdef IEEE80211_SUPPORT_MESH + if (ni->ni_ies.meshid_ie != NULL) + ieee80211_parse_meshid(ni, ni->ni_ies.meshid_ie); +#endif #ifdef IEEE80211_SUPPORT_TDMA if (ni->ni_ies.tdma_ie != NULL) ieee80211_parse_tdma(ni, ni->ni_ies.tdma_ie); @@ -914,6 +931,11 @@ ieee80211_ies_expand(struct ieee80211_ies *ies) case IEEE80211_ELEMID_HTCAP: ies->htcap_ie = ie; break; +#ifdef IEEE80211_SUPPORT_MESH + case IEEE80211_ELEMID_MESHID: + ies->meshid_ie = ie; + break; +#endif } ielen -= 2 + ie[1]; ie += 2 + ie[1]; @@ -951,6 +973,13 @@ node_cleanup(struct ieee80211_node *ni) else if (ni->ni_ath_flags & IEEE80211_NODE_ATH) ieee80211_ff_node_cleanup(ni); #endif +#ifdef IEEE80211_SUPPORT_MESH + /* + * Cleanup any mesh-related state. + */ + if (vap->iv_opmode == IEEE80211_M_MBSS) + ieee80211_mesh_node_cleanup(ni); +#endif /* * Clear any staging queue entries. */ @@ -1078,7 +1107,7 @@ ieee80211_alloc_node(struct ieee80211_node_table *nt, ether_sprintf(macaddr), nt->nt_name); IEEE80211_ADDR_COPY(ni->ni_macaddr, macaddr); - hash = IEEE80211_NODE_HASH(macaddr); + hash = IEEE80211_NODE_HASH(ic, macaddr); ieee80211_node_initref(ni); /* mark referenced */ ni->ni_chan = IEEE80211_CHAN_ANYC; ni->ni_authmode = IEEE80211_AUTH_OPEN; @@ -1090,7 +1119,10 @@ ieee80211_alloc_node(struct ieee80211_node_table *nt, ni->ni_inact = ni->ni_inact_reload; ni->ni_ath_defkeyix = 0x7fff; ieee80211_psq_init(&ni->ni_psq, "unknown"); - +#ifdef IEEE80211_SUPPORT_MESH + if (vap->iv_opmode == IEEE80211_M_MBSS) + ieee80211_mesh_node_init(vap, ni); +#endif IEEE80211_NODE_LOCK(nt); TAILQ_INSERT_TAIL(&nt->nt_node, ni, ni_list); LIST_INSERT_HEAD(&nt->nt_hash[hash], ni, ni_hash); @@ -1242,7 +1274,7 @@ ieee80211_find_node_locked(struct ieee80211_node_table *nt, IEEE80211_NODE_LOCK_ASSERT(nt); - hash = IEEE80211_NODE_HASH(macaddr); + hash = IEEE80211_NODE_HASH(nt->nt_ic, macaddr); LIST_FOREACH(ni, &nt->nt_hash[hash], ni_hash) { if (IEEE80211_ADDR_EQ(ni->ni_macaddr, macaddr)) { ieee80211_ref_node(ni); /* mark referenced */ @@ -1292,7 +1324,7 @@ ieee80211_find_vap_node_locked(struct ieee80211_node_table *nt, IEEE80211_NODE_LOCK_ASSERT(nt); - hash = IEEE80211_NODE_HASH(macaddr); + hash = IEEE80211_NODE_HASH(nt->nt_ic, macaddr); LIST_FOREACH(ni, &nt->nt_hash[hash], ni_hash) { if (ni->ni_vap == vap && IEEE80211_ADDR_EQ(ni->ni_macaddr, macaddr)) { @@ -1391,7 +1423,10 @@ ieee80211_init_neighbor(struct ieee80211_node *ni, ni->ni_fhindex = sp->fhindex; ni->ni_erp = sp->erp; ni->ni_timoff = sp->timoff; - +#ifdef IEEE80211_SUPPORT_MESH + if (ni->ni_vap->iv_opmode == IEEE80211_M_MBSS) + ieee80211_mesh_init_neighbor(ni, wh, sp); +#endif if (ieee80211_ies_init(&ni->ni_ies, sp->ies, sp->ies_len)) { ieee80211_ies_expand(&ni->ni_ies); if (ni->ni_ies.wme_ie != NULL) @@ -2525,6 +2560,27 @@ get_adhoc_rssi(void *arg, struct ieee80211_node *ni) } } +#ifdef IEEE80211_SUPPORT_MESH +static void +get_mesh_rssi(void *arg, struct ieee80211_node *ni) +{ + struct rssiinfo *info = arg; + struct ieee80211vap *vap = ni->ni_vap; + int8_t rssi; + + if (info->vap != vap) + return; + /* only neighbors that peered successfully */ + if (ni->ni_mlstate != IEEE80211_NODE_MESH_ESTABLISHED) + return; + rssi = vap->iv_ic->ic_node_getrssi(ni); + if (rssi != 0) { + info->rssi_samples++; + info->rssi_total += rssi; + } +} +#endif /* IEEE80211_SUPPORT_MESH */ + int8_t ieee80211_getrssi(struct ieee80211vap *vap) { @@ -2543,6 +2599,11 @@ ieee80211_getrssi(struct ieee80211vap *vap) case IEEE80211_M_HOSTAP: /* average of all associated stations */ ieee80211_iterate_nodes(&ic->ic_sta, get_hostap_rssi, &info); break; +#ifdef IEEE80211_SUPPORT_MESH + case IEEE80211_M_MBSS: /* average of all mesh neighbors */ + ieee80211_iterate_nodes(&ic->ic_sta, get_mesh_rssi, &info); + break; +#endif case IEEE80211_M_MONITOR: /* XXX */ case IEEE80211_M_STA: /* use stats from associated ap */ default: diff --git a/sys/net80211/ieee80211_node.h b/sys/net80211/ieee80211_node.h index 6d26759..63b2355 100644 --- a/sys/net80211/ieee80211_node.h +++ b/sys/net80211/ieee80211_node.h @@ -35,7 +35,7 @@ * Each ieee80211com instance has a single timer that fires every * IEEE80211_INACT_WAIT seconds to handle "inactivity processing". * This is used to do node inactivity processing when operating - * as an AP or in adhoc mode. For inactivity processing each node + * as an AP, adhoc or mesh mode. For inactivity processing each node * has a timeout set in it's ni_inact field that is decremented * on each timeout and the node is reclaimed when the counter goes * to zero. We use different inactivity timeout values depending @@ -56,9 +56,9 @@ /* threshold for aging overlapping non-ERP bss */ #define IEEE80211_NONERP_PRESENT_AGE msecs_to_ticks(60*1000) -#define IEEE80211_NODE_HASHSIZE 32 +#define IEEE80211_NODE_HASHSIZE 32 /* NB: hash size must be pow2 */ /* simple hash is enough for variation of macaddr */ -#define IEEE80211_NODE_HASH(addr) \ +#define IEEE80211_NODE_HASH(ic, addr) \ (((const uint8_t *)(addr))[IEEE80211_ADDR_LEN - 1] % \ IEEE80211_NODE_HASHSIZE) @@ -81,6 +81,7 @@ struct ieee80211_ies { uint8_t *htcap_ie; /* captured HTCAP ie */ uint8_t *htinfo_ie; /* captured HTINFO ie */ uint8_t *tdma_ie; /* captured TDMA ie */ + uint8_t *meshid_ie; /* captured MESH ID ie */ uint8_t *spare[4]; /* NB: these must be the last members of this structure */ uint8_t *data; /* frame data > 802.11 header */ @@ -88,6 +89,20 @@ struct ieee80211_ies { }; /* + * 802.11s (Mesh) Peer Link FSM state. + */ +enum ieee80211_mesh_mlstate { + IEEE80211_NODE_MESH_IDLE = 0, + IEEE80211_NODE_MESH_OPENSNT = 1, /* open frame sent */ + IEEE80211_NODE_MESH_OPENRCV = 2, /* open frame received */ + IEEE80211_NODE_MESH_CONFIRMRCV = 3, /* confirm frame received */ + IEEE80211_NODE_MESH_ESTABLISHED = 4, /* link established */ + IEEE80211_NODE_MESH_HOLDING = 5, /* link closing */ +}; +#define IEEE80211_MESH_MLSTATE_BITS \ + "\20\1IDLE\2OPENSNT\2OPENRCV\3CONFIRMRCV\4ESTABLISHED\5HOLDING" + +/* * Node specific information. Note that drivers are expected * to derive from this structure to add device-specific per-node * state. This is done by overriding the ic_node_* methods in @@ -173,6 +188,16 @@ struct ieee80211_node { uint8_t ni_dtim_period; /* DTIM period */ uint8_t ni_dtim_count; /* DTIM count for last bcn */ + /* 11s state */ + uint8_t ni_meshidlen; + uint8_t ni_meshid[IEEE80211_MESHID_LEN]; + enum ieee80211_mesh_mlstate ni_mlstate; /* peering management state */ + uint16_t ni_mllid; /* link local ID */ + uint16_t ni_mlpid; /* link peer ID */ + struct callout ni_mltimer; /* link mesh timer */ + uint8_t ni_mlrcnt; /* link mesh retry counter */ + uint8_t ni_mltval; /* link mesh timer value */ + /* 11n state */ uint16_t ni_htcap; /* HT capabilities */ uint8_t ni_htparam; /* HT params */ diff --git a/sys/net80211/ieee80211_output.c b/sys/net80211/ieee80211_output.c index ef74efc..96b2d45 100644 --- a/sys/net80211/ieee80211_output.c +++ b/sys/net80211/ieee80211_output.c @@ -55,6 +55,7 @@ __FBSDID("$FreeBSD$"); #include <net80211/ieee80211_tdma.h> #endif #include <net80211/ieee80211_wds.h> +#include <net80211/ieee80211_mesh.h> #ifdef INET #include <netinet/in.h> @@ -71,6 +72,18 @@ __FBSDID("$FreeBSD$"); #define ETHER_HEADER_COPY(dst, src) \ memcpy(dst, src, sizeof(struct ether_header)) +/* unalligned little endian access */ +#define LE_WRITE_2(p, v) do { \ + ((uint8_t *)(p))[0] = (v) & 0xff; \ + ((uint8_t *)(p))[1] = ((v) >> 8) & 0xff; \ +} while (0) +#define LE_WRITE_4(p, v) do { \ + ((uint8_t *)(p))[0] = (v) & 0xff; \ + ((uint8_t *)(p))[1] = ((v) >> 8) & 0xff; \ + ((uint8_t *)(p))[2] = ((v) >> 16) & 0xff; \ + ((uint8_t *)(p))[3] = ((v) >> 24) & 0xff; \ +} while (0) + static int ieee80211_fragment(struct ieee80211vap *, struct mbuf *, u_int hdrsize, u_int ciphdrsize, u_int mtu); static void ieee80211_tx_mgt_cb(struct ieee80211_node *, void *, int); @@ -205,25 +218,42 @@ ieee80211_start(struct ifnet *ifp) ieee80211_dwds_mcast(vap, m); } } - ni = ieee80211_find_txnode(vap, eh->ether_dhost); - if (ni == NULL) { - /* NB: ieee80211_find_txnode does stat+msg */ - ifp->if_oerrors++; - m_freem(m); - continue; - } - if (ni->ni_associd == 0 && - (ni->ni_flags & IEEE80211_NODE_ASSOCID)) { - IEEE80211_DISCARD_MAC(vap, IEEE80211_MSG_OUTPUT, - eh->ether_dhost, NULL, - "sta not associated (type 0x%04x)", - htons(eh->ether_type)); - vap->iv_stats.is_tx_notassoc++; - ifp->if_oerrors++; - m_freem(m); - ieee80211_free_node(ni); - continue; +#ifdef IEEE80211_SUPPORT_MESH + if (vap->iv_opmode != IEEE80211_M_MBSS) { +#endif + ni = ieee80211_find_txnode(vap, eh->ether_dhost); + if (ni == NULL) { + /* NB: ieee80211_find_txnode does stat+msg */ + ifp->if_oerrors++; + m_freem(m); + continue; + } + if (ni->ni_associd == 0 && + (ni->ni_flags & IEEE80211_NODE_ASSOCID)) { + IEEE80211_DISCARD_MAC(vap, IEEE80211_MSG_OUTPUT, + eh->ether_dhost, NULL, + "sta not associated (type 0x%04x)", + htons(eh->ether_type)); + vap->iv_stats.is_tx_notassoc++; + ifp->if_oerrors++; + m_freem(m); + ieee80211_free_node(ni); + continue; + } +#ifdef IEEE80211_SUPPORT_MESH + } else { + ni = ieee80211_mesh_discover(vap, eh->ether_dhost, m); + if (ni == NULL) { + /* + * NB: ieee80211_mesh_discover function + * holds/disposes frame + * (e.g. queueing on path discovery). + */ + ifp->if_oerrors++; + continue; + } } +#endif if ((ni->ni_flags & IEEE80211_NODE_PWR_MGT) && (m->m_flags & M_PWR_SAV) == 0) { @@ -455,7 +485,7 @@ bad: * frame. Note this should be called early on in constructing * a frame as it sets i_fc[1]; other bits can then be or'd in. */ -static void +void ieee80211_send_setup( struct ieee80211_node *ni, struct mbuf *m, @@ -465,13 +495,12 @@ ieee80211_send_setup( const uint8_t bssid[IEEE80211_ADDR_LEN]) { #define WH4(wh) ((struct ieee80211_frame_addr4 *)wh) + struct ieee80211vap *vap = ni->ni_vap; struct ieee80211_frame *wh = mtod(m, struct ieee80211_frame *); ieee80211_seq seqno; wh->i_fc[0] = IEEE80211_FC0_VERSION_0 | type; if ((type & IEEE80211_FC0_TYPE_MASK) == IEEE80211_FC0_TYPE_DATA) { - struct ieee80211vap *vap = ni->ni_vap; - switch (vap->iv_opmode) { case IEEE80211_M_STA: wh->i_fc[1] = IEEE80211_FC1_DIR_TODS; @@ -499,6 +528,25 @@ ieee80211_send_setup( IEEE80211_ADDR_COPY(wh->i_addr3, da); IEEE80211_ADDR_COPY(WH4(wh)->i_addr4, sa); break; + case IEEE80211_M_MBSS: +#ifdef IEEE80211_SUPPORT_MESH + /* XXX add support for proxied addresses */ + if (IEEE80211_IS_MULTICAST(da)) { + wh->i_fc[1] = IEEE80211_FC1_DIR_FROMDS; + /* XXX next hop */ + IEEE80211_ADDR_COPY(wh->i_addr1, da); + IEEE80211_ADDR_COPY(wh->i_addr2, + vap->iv_myaddr); + } else { + wh->i_fc[1] = IEEE80211_FC1_DIR_DSTODS; + IEEE80211_ADDR_COPY(wh->i_addr1, da); + IEEE80211_ADDR_COPY(wh->i_addr2, + vap->iv_myaddr); + IEEE80211_ADDR_COPY(wh->i_addr3, da); + IEEE80211_ADDR_COPY(WH4(wh)->i_addr4, sa); + } +#endif + break; case IEEE80211_M_MONITOR: /* NB: to quiet compiler */ break; } @@ -506,7 +554,12 @@ ieee80211_send_setup( wh->i_fc[1] = IEEE80211_FC1_DIR_NODS; IEEE80211_ADDR_COPY(wh->i_addr1, da); IEEE80211_ADDR_COPY(wh->i_addr2, sa); - IEEE80211_ADDR_COPY(wh->i_addr3, bssid); +#ifdef IEEE80211_SUPPORT_MESH + if (vap->iv_opmode == IEEE80211_M_MBSS) + IEEE80211_ADDR_COPY(wh->i_addr3, sa); + else +#endif + IEEE80211_ADDR_COPY(wh->i_addr3, bssid); } *(uint16_t *)&wh->i_dur[0] = 0; @@ -932,12 +985,18 @@ ieee80211_encap(struct ieee80211vap *vap, struct ieee80211_node *ni, { #define WH4(wh) ((struct ieee80211_frame_addr4 *)(wh)) struct ieee80211com *ic = ni->ni_ic; +#ifdef IEEE80211_SUPPORT_MESH + struct ieee80211_mesh_state *ms = vap->iv_mesh; + struct ieee80211_meshcntl_ae11 *mc; +#endif struct ether_header eh; struct ieee80211_frame *wh; struct ieee80211_key *key; struct llc *llc; int hdrsize, hdrspace, datalen, addqos, txfrag, is4addr; ieee80211_seq seqno; + int meshhdrsize, meshae; + uint8_t *qos; /* * Copy existing Ethernet header to a safe place. The @@ -990,17 +1049,56 @@ ieee80211_encap(struct ieee80211vap *vap, struct ieee80211_node *ni, hdrsize = sizeof(struct ieee80211_qosframe); else hdrsize = sizeof(struct ieee80211_frame); - /* - * 4-address frames need to be generated for: - * o packets sent through a WDS vap (IEEE80211_M_WDS) - * o packets sent through a vap marked for relaying - * (e.g. a station operating with dynamic WDS) - */ - is4addr = vap->iv_opmode == IEEE80211_M_WDS || - ((vap->iv_flags_ext & IEEE80211_FEXT_4ADDR) && - !IEEE80211_ADDR_EQ(eh.ether_shost, vap->iv_myaddr)); - if (is4addr) - hdrsize += IEEE80211_ADDR_LEN; +#ifdef IEEE80211_SUPPORT_MESH + if (vap->iv_opmode == IEEE80211_M_MBSS) { + /* + * Mesh data frames are encapsulated according to the + * rules of Section 11B.8.5 (p.139 of D3.0 spec). + * o Group Addressed data (aka multicast) originating + * at the local sta are sent w/ 3-address format and + * address extension mode 00 + * o Individually Addressed data (aka unicast) originating + * at the local sta are sent w/ 4-address format and + * address extension mode 00 + * o Group Addressed data forwarded from a non-mesh sta are + * sent w/ 3-address format and address extension mode 01 + * o Individually Address data from another sta are sent + * w/ 4-address format and address extension mode 10 + */ + is4addr = 0; /* NB: don't use, disable */ + meshhdrsize = sizeof(struct ieee80211_meshcntl); + /* XXX defines for AE modes */ + /* XXX not right, need to check if from non-mesh-sta */ + if (IEEE80211_ADDR_EQ(eh.ether_shost, vap->iv_myaddr)) { + if (!IEEE80211_IS_MULTICAST(eh.ether_dhost)) { + hdrsize += IEEE80211_ADDR_LEN; + meshae = 0; + } else + meshae = 4; /* NB: pseudo */ + } else if (IEEE80211_IS_MULTICAST(eh.ether_dhost)) { + meshae = 1; + meshhdrsize += 2*IEEE80211_ADDR_LEN; + } else { + meshae = 2; + meshhdrsize += 3*IEEE80211_ADDR_LEN; + } + } else { +#endif + /* + * 4-address frames need to be generated for: + * o packets sent through a WDS vap (IEEE80211_M_WDS) + * o packets sent through a vap marked for relaying + * (e.g. a station operating with dynamic WDS) + */ + is4addr = vap->iv_opmode == IEEE80211_M_WDS || + ((vap->iv_flags_ext & IEEE80211_FEXT_4ADDR) && + !IEEE80211_ADDR_EQ(eh.ether_shost, vap->iv_myaddr)); + if (is4addr) + hdrsize += IEEE80211_ADDR_LEN; + meshhdrsize = meshae = 0; +#ifdef IEEE80211_SUPPORT_MESH + } +#endif /* * Honor driver DATAPAD requirement. */ @@ -1013,7 +1111,7 @@ ieee80211_encap(struct ieee80211vap *vap, struct ieee80211_node *ni, /* * Normal frame. */ - m = ieee80211_mbuf_adjust(vap, hdrspace, key, m); + m = ieee80211_mbuf_adjust(vap, hdrspace + meshhdrsize, key, m); if (m == NULL) { /* NB: ieee80211_mbuf_adjust handles msgs+statistics */ goto bad; @@ -1032,14 +1130,14 @@ ieee80211_encap(struct ieee80211vap *vap, struct ieee80211_node *ni, /* * Aggregated frame. */ - m = ieee80211_ff_encap(vap, m, hdrspace, key); + m = ieee80211_ff_encap(vap, m, hdrspace + meshhdrsize, key); if (m == NULL) #endif goto bad; } datalen = m->m_pkthdr.len; /* NB: w/o 802.11 header */ - M_PREPEND(m, hdrspace, M_DONTWAIT); + M_PREPEND(m, hdrspace + meshhdrsize, M_DONTWAIT); if (m == NULL) { vap->iv_stats.is_tx_nobuf++; goto bad; @@ -1047,6 +1145,7 @@ ieee80211_encap(struct ieee80211vap *vap, struct ieee80211_node *ni, wh = mtod(m, struct ieee80211_frame *); wh->i_fc[0] = IEEE80211_FC0_VERSION_0 | IEEE80211_FC0_TYPE_DATA; *(uint16_t *)wh->i_dur = 0; + qos = NULL; /* NB: quiet compiler */ if (is4addr) { wh->i_fc[1] = IEEE80211_FC1_DIR_DSTODS; IEEE80211_ADDR_COPY(wh->i_addr1, ni->ni_macaddr); @@ -1077,19 +1176,73 @@ ieee80211_encap(struct ieee80211vap *vap, struct ieee80211_node *ni, IEEE80211_ADDR_COPY(wh->i_addr2, ni->ni_bssid); IEEE80211_ADDR_COPY(wh->i_addr3, eh.ether_shost); break; - case IEEE80211_M_MONITOR: +#ifdef IEEE80211_SUPPORT_MESH + case IEEE80211_M_MBSS: + /* NB: offset by hdrspace to deal with DATAPAD */ + mc = (struct ieee80211_meshcntl_ae11 *) + (mtod(m, uint8_t *) + hdrspace); + switch (meshae) { + case 0: /* ucast, no proxy */ + wh->i_fc[1] = IEEE80211_FC1_DIR_DSTODS; + IEEE80211_ADDR_COPY(wh->i_addr1, ni->ni_macaddr); + IEEE80211_ADDR_COPY(wh->i_addr2, vap->iv_myaddr); + IEEE80211_ADDR_COPY(wh->i_addr3, eh.ether_dhost); + IEEE80211_ADDR_COPY(WH4(wh)->i_addr4, eh.ether_shost); + mc->mc_flags = 0; + qos = ((struct ieee80211_qosframe_addr4 *) wh)->i_qos; + break; + case 4: /* mcast, no proxy */ + wh->i_fc[1] = IEEE80211_FC1_DIR_FROMDS; + IEEE80211_ADDR_COPY(wh->i_addr1, eh.ether_dhost); + IEEE80211_ADDR_COPY(wh->i_addr2, vap->iv_myaddr); + IEEE80211_ADDR_COPY(wh->i_addr3, eh.ether_shost); + mc->mc_flags = 0; /* NB: AE is really 0 */ + qos = ((struct ieee80211_qosframe *) wh)->i_qos; + break; + case 1: /* mcast, proxy */ + wh->i_fc[1] = IEEE80211_FC1_DIR_FROMDS; + IEEE80211_ADDR_COPY(wh->i_addr1, eh.ether_dhost); + IEEE80211_ADDR_COPY(wh->i_addr2, vap->iv_myaddr); + /* XXX not right, need MeshSA */ + IEEE80211_ADDR_COPY(wh->i_addr3, eh.ether_shost); + mc->mc_flags = 1; + IEEE80211_ADDR_COPY(mc->mc_addr4, eh.ether_shost); + qos = ((struct ieee80211_qosframe *) wh)->i_qos; + break; + case 2: /* ucast, proxy */ + wh->i_fc[1] = IEEE80211_FC1_DIR_DSTODS; + IEEE80211_ADDR_COPY(wh->i_addr1, ni->ni_macaddr); + IEEE80211_ADDR_COPY(wh->i_addr2, vap->iv_myaddr); + /* XXX not right, need MeshDA+MeshSA */ + IEEE80211_ADDR_COPY(wh->i_addr3, eh.ether_dhost); + IEEE80211_ADDR_COPY(WH4(wh)->i_addr4, eh.ether_shost); + mc->mc_flags = 2; + IEEE80211_ADDR_COPY(mc->mc_addr5, eh.ether_shost); + IEEE80211_ADDR_COPY(mc->mc_addr6, eh.ether_shost); + qos = ((struct ieee80211_qosframe_addr4 *) wh)->i_qos; + break; + default: + KASSERT(0, ("meshae %d", meshae)); + break; + } + mc->mc_ttl = ms->ms_ttl; + ms->ms_seq++; + LE_WRITE_4(mc->mc_seq, ms->ms_seq); + break; +#endif case IEEE80211_M_WDS: /* NB: is4addr should always be true */ + default: goto bad; } if (m->m_flags & M_MORE_DATA) wh->i_fc[1] |= IEEE80211_FC1_MORE_DATA; if (addqos) { - uint8_t *qos; int ac, tid; if (is4addr) { qos = ((struct ieee80211_qosframe_addr4 *) wh)->i_qos; - } else + /* NB: mesh case handled earlier */ + } else if (vap->iv_opmode != IEEE80211_M_MBSS) qos = ((struct ieee80211_qosframe *) wh)->i_qos; ac = M_WME_GETAC(m); /* map from access class/queue to 11e header priorty value */ @@ -1125,6 +1278,7 @@ ieee80211_encap(struct ieee80211vap *vap, struct ieee80211_node *ni, M_SEQNO_SET(m, seqno); } + /* check if xmit fragmentation is required */ txfrag = (m->m_pkthdr.len > vap->iv_fragthreshold && !IEEE80211_IS_MULTICAST(wh->i_addr1) && @@ -1271,7 +1425,7 @@ bad: /* * Add a supported rates element id to a frame. */ -static uint8_t * +uint8_t * ieee80211_add_rates(uint8_t *frm, const struct ieee80211_rateset *rs) { int nrates; @@ -1288,7 +1442,7 @@ ieee80211_add_rates(uint8_t *frm, const struct ieee80211_rateset *rs) /* * Add an extended supported rates element id to a frame. */ -static uint8_t * +uint8_t * ieee80211_add_xrates(uint8_t *frm, const struct ieee80211_rateset *rs) { /* @@ -1343,10 +1497,9 @@ ieee80211_add_erp(uint8_t *frm, struct ieee80211com *ic) static uint8_t * ieee80211_add_cfparms(uint8_t *frm, struct ieee80211com *ic) { -#define ADDSHORT(frm, v) do { \ - frm[0] = (v) & 0xff; \ - frm[1] = (v) >> 8; \ - frm += 2; \ +#define ADDSHORT(frm, v) do { \ + LE_WRITE_2(frm, v); \ + frm += 2; \ } while (0) *frm++ = IEEE80211_ELEMID_CFPARMS; *frm++ = 6; @@ -1399,10 +1552,9 @@ static uint8_t * ieee80211_add_wme_param(uint8_t *frm, struct ieee80211_wme_state *wme) { #define SM(_v, _f) (((_v) << _f##_S) & _f) -#define ADDSHORT(frm, v) do { \ - frm[0] = (v) & 0xff; \ - frm[1] = (v) >> 8; \ - frm += 2; \ +#define ADDSHORT(frm, v) do { \ + LE_WRITE_2(frm, v); \ + frm += 2; \ } while (0) /* NB: this works 'cuz a param has an info at the front */ static const struct ieee80211_wme_info param = { @@ -1649,8 +1801,8 @@ ieee80211_send_probereq(struct ieee80211_node *ni, /* * Calculate capability information for mgt frames. */ -static uint16_t -getcapinfo(struct ieee80211vap *vap, struct ieee80211_channel *chan) +uint16_t +ieee80211_getcapinfo(struct ieee80211vap *vap, struct ieee80211_channel *chan) { struct ieee80211com *ic = vap->iv_ic; uint16_t capinfo; @@ -1945,7 +2097,7 @@ ieee80211_send_mgmt(struct ieee80211_node *ni, int type, int arg) if (m == NULL) senderr(ENOMEM, is_tx_nobuf); - capinfo = getcapinfo(vap, bss->ni_chan); + capinfo = ieee80211_getcapinfo(vap, bss->ni_chan); *(uint16_t *)frm = htole16(capinfo); frm += 2; @@ -2060,6 +2212,8 @@ ieee80211_alloc_proberesp(struct ieee80211_node *bss, int legacy) * [tlv] Vendor OUI HT information (optional) * [tlv] Atheros capabilities * [tlv] AppIE's (optional) + * [tlv] Mesh ID (MBSS) + * [tlv] Mesh Conf (MBSS) */ m = ieee80211_getmgtframe(&frm, ic->ic_headroom + sizeof(struct ieee80211_frame), @@ -2084,6 +2238,10 @@ ieee80211_alloc_proberesp(struct ieee80211_node *bss, int legacy) #ifdef IEEE80211_SUPPORT_SUPERG + sizeof(struct ieee80211_ath_ie) #endif +#ifdef IEEE80211_SUPPORT_MESH + + 2 + IEEE80211_MESHID_LEN + + sizeof(struct ieee80211_meshconf_ie) +#endif + (vap->iv_appie_proberesp != NULL ? vap->iv_appie_proberesp->ie_len : 0) ); @@ -2096,7 +2254,7 @@ ieee80211_alloc_proberesp(struct ieee80211_node *bss, int legacy) frm += 8; *(uint16_t *)frm = htole16(bss->ni_intval); frm += 2; - capinfo = getcapinfo(vap, bss->ni_chan); + capinfo = ieee80211_getcapinfo(vap, bss->ni_chan); *(uint16_t *)frm = htole16(capinfo); frm += 2; @@ -2173,6 +2331,12 @@ ieee80211_alloc_proberesp(struct ieee80211_node *bss, int legacy) #endif if (vap->iv_appie_proberesp != NULL) frm = add_appie(frm, vap->iv_appie_proberesp); +#ifdef IEEE80211_SUPPORT_MESH + if (vap->iv_opmode == IEEE80211_M_MBSS) { + frm = ieee80211_add_meshid(frm, vap); + frm = ieee80211_add_meshconf(frm, vap); + } +#endif m->m_pkthdr.len = m->m_len = frm - mtod(m, uint8_t *); return m; @@ -2365,6 +2529,8 @@ ieee80211_beacon_construct(struct mbuf *m, uint8_t *frm, * [tlv] Vendor OUI HT information (optional) * [tlv] Atheros capabilities (optional) * [tlv] TDMA parameters (optional) + * [tlv] Mesh ID (MBSS) + * [tlv] Mesh Conf (MBSS) * [tlv] application data (optional) */ @@ -2374,7 +2540,7 @@ ieee80211_beacon_construct(struct mbuf *m, uint8_t *frm, frm += 8; *(uint16_t *)frm = htole16(ni->ni_intval); frm += 2; - capinfo = getcapinfo(vap, ni->ni_chan); + capinfo = ieee80211_getcapinfo(vap, ni->ni_chan); bo->bo_caps = (uint16_t *)frm; *(uint16_t *)frm = htole16(capinfo); frm += 2; @@ -2401,7 +2567,9 @@ ieee80211_beacon_construct(struct mbuf *m, uint8_t *frm, *frm++ = 2; *frm++ = 0; *frm++ = 0; /* TODO: ATIM window */ bo->bo_tim_len = 0; - } else if (vap->iv_opmode == IEEE80211_M_HOSTAP) { + } else if (vap->iv_opmode == IEEE80211_M_HOSTAP || + vap->iv_opmode == IEEE80211_M_MBSS) { + /* TIM IE is the same for Mesh and Hostap */ struct ieee80211_tim_ie *tie = (struct ieee80211_tim_ie *) frm; tie->tim_ie = IEEE80211_ELEMID_TIM; @@ -2471,6 +2639,12 @@ ieee80211_beacon_construct(struct mbuf *m, uint8_t *frm, bo->bo_appie_len = vap->iv_appie_beacon->ie_len; frm = add_appie(frm, vap->iv_appie_beacon); } +#ifdef IEEE80211_SUPPORT_MESH + if (vap->iv_opmode == IEEE80211_M_MBSS) { + frm = ieee80211_add_meshid(frm, vap); + frm = ieee80211_add_meshconf(frm, vap); + } +#endif bo->bo_tim_trailer_len = frm - bo->bo_tim_trailer; bo->bo_csa_trailer_len = frm - bo->bo_csa; m->m_pkthdr.len = m->m_len = frm - mtod(m, uint8_t *); @@ -2515,6 +2689,8 @@ ieee80211_beacon_alloc(struct ieee80211_node *ni, * [tlv] WPA parameters * [tlv] WME parameters * [tlv] TDMA parameters (optional) + * [tlv] Mesh ID (MBSS) + * [tlv] Mesh Conf (MBSS) * [tlv] application data (optional) * NB: we allocate the max space required for the TIM bitmap. * XXX how big is this? @@ -2546,6 +2722,10 @@ ieee80211_beacon_alloc(struct ieee80211_node *ni, + (vap->iv_caps & IEEE80211_C_TDMA ? /* TDMA */ sizeof(struct ieee80211_tdma_param) : 0) #endif +#ifdef IEEE80211_SUPPORT_MESH + + 2 + ni->ni_meshidlen + + sizeof(struct ieee80211_meshconf_ie) +#endif + IEEE80211_MAX_APPIE ; m = ieee80211_getmgtframe(&frm, @@ -2567,7 +2747,13 @@ ieee80211_beacon_alloc(struct ieee80211_node *ni, *(uint16_t *)wh->i_dur = 0; IEEE80211_ADDR_COPY(wh->i_addr1, ifp->if_broadcastaddr); IEEE80211_ADDR_COPY(wh->i_addr2, vap->iv_myaddr); - IEEE80211_ADDR_COPY(wh->i_addr3, ni->ni_bssid); +#ifdef IEEE80211_SUPPORT_MESH + if (vap->iv_opmode == IEEE80211_M_MBSS) { + static const uint8_t zerobssid[IEEE80211_ADDR_LEN]; + IEEE80211_ADDR_COPY(wh->i_addr3, zerobssid); + } else +#endif + IEEE80211_ADDR_COPY(wh->i_addr3, ni->ni_bssid); *(uint16_t *)wh->i_seq = 0; return m; @@ -2616,7 +2802,7 @@ ieee80211_beacon_update(struct ieee80211_node *ni, } /* XXX faster to recalculate entirely or just changes? */ - capinfo = getcapinfo(vap, ni->ni_chan); + capinfo = ieee80211_getcapinfo(vap, ni->ni_chan); *bo->bo_caps = htole16(capinfo); if (vap->iv_flags & IEEE80211_F_WME) { @@ -2672,7 +2858,8 @@ ieee80211_beacon_update(struct ieee80211_node *ni, ieee80211_tdma_update_beacon(vap, bo); } #endif - if (vap->iv_opmode == IEEE80211_M_HOSTAP) { /* NB: no IBSS support*/ + if (vap->iv_opmode == IEEE80211_M_HOSTAP || + vap->iv_opmode == IEEE80211_M_MBSS) { /* NB: no IBSS support*/ struct ieee80211_tim_ie *tie = (struct ieee80211_tim_ie *) bo->bo_tim; if (isset(bo->bo_flags, IEEE80211_BEACON_TIM)) { diff --git a/sys/net80211/ieee80211_proto.c b/sys/net80211/ieee80211_proto.c index 9f80cdf..9aabfcf 100644 --- a/sys/net80211/ieee80211_proto.c +++ b/sys/net80211/ieee80211_proto.c @@ -50,6 +50,9 @@ __FBSDID("$FreeBSD$"); #include <net80211/ieee80211_sta.h> #include <net80211/ieee80211_hostap.h> #include <net80211/ieee80211_wds.h> +#ifdef IEEE80211_SUPPORT_MESH +#include <net80211/ieee80211_mesh.h> +#endif #include <net80211/ieee80211_monitor.h> #include <net80211/ieee80211_input.h> @@ -75,7 +78,8 @@ const char *ieee80211_opmode_name[IEEE80211_OPMODE_MAX] = { "WDS", /* IEEE80211_M_WDS */ "AHDEMO", /* IEEE80211_M_AHDEMO */ "HOSTAP", /* IEEE80211_M_HOSTAP */ - "MONITOR" /* IEEE80211_M_MONITOR */ + "MONITOR", /* IEEE80211_M_MONITOR */ + "MBSS" /* IEEE80211_M_MBSS */ }; const char *ieee80211_state_name[IEEE80211_S_MAX] = { "INIT", /* IEEE80211_S_INIT */ @@ -152,6 +156,9 @@ ieee80211_proto_attach(struct ieee80211com *ic) ieee80211_sta_attach(ic); ieee80211_wds_attach(ic); ieee80211_hostap_attach(ic); +#ifdef IEEE80211_SUPPORT_MESH + ieee80211_mesh_attach(ic); +#endif ieee80211_monitor_attach(ic); } @@ -159,6 +166,9 @@ void ieee80211_proto_detach(struct ieee80211com *ic) { ieee80211_monitor_detach(ic); +#ifdef IEEE80211_SUPPORT_MESH + ieee80211_mesh_detach(ic); +#endif ieee80211_hostap_detach(ic); ieee80211_wds_detach(ic); ieee80211_adhoc_detach(ic); @@ -1456,7 +1466,8 @@ ieee80211_csa_startswitch(struct ieee80211com *ic, ic->ic_flags |= IEEE80211_F_CSAPENDING; TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next) { if (vap->iv_opmode == IEEE80211_M_HOSTAP || - vap->iv_opmode == IEEE80211_M_IBSS) + vap->iv_opmode == IEEE80211_M_IBSS || + vap->iv_opmode == IEEE80211_M_MBSS) ieee80211_beacon_notify(vap, IEEE80211_BEACON_CSA); /* switch to CSA state to block outbound traffic */ if (vap->iv_state == IEEE80211_S_RUN) diff --git a/sys/net80211/ieee80211_proto.h b/sys/net80211/ieee80211_proto.h index de043c3..9bfbc61 100644 --- a/sys/net80211/ieee80211_proto.h +++ b/sys/net80211/ieee80211_proto.h @@ -71,6 +71,9 @@ int ieee80211_raw_xmit(struct ieee80211_node *, struct mbuf *, const struct ieee80211_bpf_params *); int ieee80211_output(struct ifnet *, struct mbuf *, struct sockaddr *, struct route *ro); +void ieee80211_send_setup(struct ieee80211_node *, struct mbuf *, int, int, + const uint8_t [IEEE80211_ADDR_LEN], const uint8_t [IEEE80211_ADDR_LEN], + const uint8_t [IEEE80211_ADDR_LEN]); void ieee80211_start(struct ifnet *); int ieee80211_send_nulldata(struct ieee80211_node *); int ieee80211_classify(struct ieee80211_node *, struct mbuf *m); @@ -102,6 +105,11 @@ struct mbuf *ieee80211_alloc_rts(struct ieee80211com *ic, struct mbuf *ieee80211_alloc_cts(struct ieee80211com *, const uint8_t [IEEE80211_ADDR_LEN], uint16_t); +uint8_t *ieee80211_add_rates(uint8_t *, const struct ieee80211_rateset *); +uint8_t *ieee80211_add_xrates(uint8_t *, const struct ieee80211_rateset *); +uint16_t ieee80211_getcapinfo(struct ieee80211vap *, + struct ieee80211_channel *); + void ieee80211_reset_erp(struct ieee80211com *); void ieee80211_set_shortslottime(struct ieee80211com *, int onoff); int ieee80211_iserp_rateset(const struct ieee80211_rateset *); diff --git a/sys/net80211/ieee80211_scan.c b/sys/net80211/ieee80211_scan.c index 951e762..ab30c29 100644 --- a/sys/net80211/ieee80211_scan.c +++ b/sys/net80211/ieee80211_scan.c @@ -209,6 +209,7 @@ static const char *scan_modnames[IEEE80211_OPMODE_MAX] = { "wlan_scan_sta", /* IEEE80211_M_AHDEMO */ "wlan_scan_ap", /* IEEE80211_M_HOSTAP */ "wlan_scan_monitor", /* IEEE80211_M_MONITOR */ + "wlan_scan_sta", /* IEEE80211_M_MBSS */ }; static const struct ieee80211_scanner *scanners[IEEE80211_OPMODE_MAX]; diff --git a/sys/net80211/ieee80211_scan.h b/sys/net80211/ieee80211_scan.h index ac44474..4c5e869 100644 --- a/sys/net80211/ieee80211_scan.h +++ b/sys/net80211/ieee80211_scan.h @@ -213,6 +213,8 @@ struct ieee80211_scanparams { uint8_t *ath; uint8_t *tdma; uint8_t *csa; + uint8_t *meshid; + uint8_t *meshconf; uint8_t *spare[3]; }; @@ -242,6 +244,7 @@ struct ieee80211_scan_entry { int8_t se_rssi; /* avg'd recv ssi */ int8_t se_noise; /* noise floor */ uint8_t se_cc[2]; /* captured country code */ + uint8_t se_meshid[2+IEEE80211_MESHID_LEN]; struct ieee80211_ies se_ies; /* captured ie's */ u_int se_age; /* age of entry (0 on create) */ }; diff --git a/sys/net80211/ieee80211_scan_sta.c b/sys/net80211/ieee80211_scan_sta.c index 367ecce..a76dd3c 100644 --- a/sys/net80211/ieee80211_scan_sta.c +++ b/sys/net80211/ieee80211_scan_sta.c @@ -48,6 +48,9 @@ __FBSDID("$FreeBSD$"); #ifdef IEEE80211_SUPPORT_TDMA #include <net80211/ieee80211_tdma.h> #endif +#ifdef IEEE80211_SUPPORT_MESH +#include <net80211/ieee80211_mesh.h> +#endif #include <net/bpf.h> @@ -112,21 +115,23 @@ static void sta_flush_table(struct sta_table *); * contents explains why. The following flags are or'd to to this * mask and can be used to figure out why the entry was rejected. */ -#define MATCH_CHANNEL 0x0001 /* channel mismatch */ -#define MATCH_CAPINFO 0x0002 /* capabilities mismatch, e.g. no ess */ -#define MATCH_PRIVACY 0x0004 /* privacy mismatch */ -#define MATCH_RATE 0x0008 /* rate set mismatch */ -#define MATCH_SSID 0x0010 /* ssid mismatch */ -#define MATCH_BSSID 0x0020 /* bssid mismatch */ -#define MATCH_FAILS 0x0040 /* too many failed auth attempts */ -#define MATCH_NOTSEEN 0x0080 /* not seen in recent scans */ -#define MATCH_RSSI 0x0100 /* rssi deemed too low to use */ -#define MATCH_CC 0x0200 /* country code mismatch */ -#define MATCH_TDMA_NOIE 0x0400 /* no TDMA ie */ -#define MATCH_TDMA_NOTMASTER 0x0800 /* not TDMA master */ -#define MATCH_TDMA_NOSLOT 0x1000 /* all TDMA slots occupied */ -#define MATCH_TDMA_LOCAL 0x2000 /* local address */ -#define MATCH_TDMA_VERSION 0x4000 /* protocol version mismatch */ +#define MATCH_CHANNEL 0x00001 /* channel mismatch */ +#define MATCH_CAPINFO 0x00002 /* capabilities mismatch, e.g. no ess */ +#define MATCH_PRIVACY 0x00004 /* privacy mismatch */ +#define MATCH_RATE 0x00008 /* rate set mismatch */ +#define MATCH_SSID 0x00010 /* ssid mismatch */ +#define MATCH_BSSID 0x00020 /* bssid mismatch */ +#define MATCH_FAILS 0x00040 /* too many failed auth attempts */ +#define MATCH_NOTSEEN 0x00080 /* not seen in recent scans */ +#define MATCH_RSSI 0x00100 /* rssi deemed too low to use */ +#define MATCH_CC 0x00200 /* country code mismatch */ +#define MATCH_TDMA_NOIE 0x00400 /* no TDMA ie */ +#define MATCH_TDMA_NOTMASTER 0x00800 /* not TDMA master */ +#define MATCH_TDMA_NOSLOT 0x01000 /* all TDMA slots occupied */ +#define MATCH_TDMA_LOCAL 0x02000 /* local address */ +#define MATCH_TDMA_VERSION 0x04000 /* protocol version mismatch */ +#define MATCH_MESH_NOID 0x10000 /* no MESHID ie */ +#define MATCH_MESHID 0x20000 /* meshid mismatch */ static int match_bss(struct ieee80211vap *, const struct ieee80211_scan_state *, struct sta_entry *, int); static void adhoc_age(struct ieee80211_scan_state *); @@ -139,6 +144,10 @@ isocmp(const uint8_t cc1[], const uint8_t cc2[]) /* number of references from net80211 layer */ static int nrefs = 0; +/* + * Module glue. + */ +IEEE80211_SCANNER_MODULE(sta, 1); /* * Attach prior to any scanning work. @@ -281,6 +290,10 @@ found: memcpy(ise->se_tstamp.data, sp->tstamp, sizeof(ise->se_tstamp)); ise->se_intval = sp->bintval; ise->se_capinfo = sp->capinfo; +#ifdef IEEE80211_SUPPORT_MESH + if (sp->meshid != NULL && sp->meshid[1] != 0) + memcpy(ise->se_meshid, sp->meshid, 2+sp->meshid[1]); +#endif /* * Beware of overriding se_chan for frames seen * off-channel; this can cause us to attempt an @@ -895,6 +908,12 @@ back: #undef RV } +static __inline int +match_id(const uint8_t *ie, const uint8_t *val, int len) +{ + return (ie[1] == len && memcmp(ie+2, val, len) == 0); +} + static int match_ssid(const uint8_t *ie, int nssid, const struct ieee80211_scan_ssid ssids[]) @@ -902,8 +921,7 @@ match_ssid(const uint8_t *ie, int i; for (i = 0; i < nssid; i++) { - if (ie[1] == ssids[i].len && - memcmp(ie+2, ssids[i].ssid, ie[1]) == 0) + if (match_id(ie, ssids[i].ssid, ssids[i].len)) return 1; } return 0; @@ -986,7 +1004,22 @@ match_bss(struct ieee80211vap *vap, #endif } #endif /* IEEE80211_SUPPORT_TDMA */ +#ifdef IEEE80211_SUPPORT_MESH + } else if (vap->iv_opmode == IEEE80211_M_MBSS) { + const struct ieee80211_mesh_state *ms = vap->iv_mesh; + /* + * Mesh nodes have IBSS & ESS bits in capinfo turned off + * and two special ie's that must be present. + */ + if (se->se_capinfo & (IEEE80211_CAPINFO_IBSS|IEEE80211_CAPINFO_ESS)) + fail |= MATCH_CAPINFO; + else if (se->se_meshid == NULL) + fail |= MATCH_MESH_NOID; + else if (ms->ms_idlen != 0 && + match_id(se->se_meshid, ms->ms_id, ms->ms_idlen)) + fail |= MATCH_MESHID; } else { +#endif if ((se->se_capinfo & IEEE80211_CAPINFO_ESS) == 0) fail |= MATCH_CAPINFO; /* @@ -1070,6 +1103,7 @@ match_bss(struct ieee80211vap *vap, fail & MATCH_TDMA_NOSLOT ? 'f' : fail & MATCH_TDMA_LOCAL ? 'l' : #endif + fail & MATCH_MESH_NOID ? 'm' : fail ? '-' : '+', ether_sprintf(se->se_macaddr)); printf(" %s%c", ether_sprintf(se->se_bssid), fail & MATCH_BSSID ? '!' : ' '); @@ -1087,7 +1121,7 @@ match_bss(struct ieee80211vap *vap, "wep" : "no", fail & MATCH_PRIVACY ? '!' : ' '); ieee80211_print_essid(se->se_ssid+2, se->se_ssid[1]); - printf("%s\n", fail & MATCH_SSID ? "!" : ""); + printf("%s\n", fail & (MATCH_SSID | MATCH_MESHID) ? "!" : ""); } #endif return fail; @@ -1415,6 +1449,7 @@ static const struct ieee80211_scanner sta_default = { .scan_assoc_fail = sta_assoc_fail, .scan_assoc_success = sta_assoc_success, }; +IEEE80211_SCANNER_ALG(sta, IEEE80211_M_STA, sta_default); /* * Adhoc mode-specific support. @@ -1514,7 +1549,8 @@ adhoc_pick_bss(struct ieee80211_scan_state *ss, struct ieee80211vap *vap) struct ieee80211_channel *chan; KASSERT(vap->iv_opmode == IEEE80211_M_IBSS || - vap->iv_opmode == IEEE80211_M_AHDEMO, + vap->iv_opmode == IEEE80211_M_AHDEMO || + vap->iv_opmode == IEEE80211_M_MBSS, ("wrong opmode %u", vap->iv_opmode)); if (st->st_newscan) { @@ -1630,6 +1666,8 @@ static const struct ieee80211_scanner adhoc_default = { .scan_assoc_fail = sta_assoc_fail, .scan_assoc_success = sta_assoc_success, }; +IEEE80211_SCANNER_ALG(ibss, IEEE80211_M_IBSS, adhoc_default); +IEEE80211_SCANNER_ALG(ahdemo, IEEE80211_M_AHDEMO, adhoc_default); static void ap_force_promisc(struct ieee80211com *ic) @@ -1781,12 +1819,108 @@ static const struct ieee80211_scanner ap_default = { .scan_assoc_success = sta_assoc_success, .scan_assoc_fail = sta_assoc_fail, }; +IEEE80211_SCANNER_ALG(ap, IEEE80211_M_HOSTAP, ap_default); +#ifdef IEEE80211_SUPPORT_MESH /* - * Module glue. + * Pick an mbss network to join or find a channel + * to use to start an mbss network. */ -IEEE80211_SCANNER_MODULE(sta, 1); -IEEE80211_SCANNER_ALG(sta, IEEE80211_M_STA, sta_default); -IEEE80211_SCANNER_ALG(ibss, IEEE80211_M_IBSS, adhoc_default); -IEEE80211_SCANNER_ALG(ahdemo, IEEE80211_M_AHDEMO, adhoc_default); -IEEE80211_SCANNER_ALG(ap, IEEE80211_M_HOSTAP, ap_default); +static int +mesh_pick_bss(struct ieee80211_scan_state *ss, struct ieee80211vap *vap) +{ + struct sta_table *st = ss->ss_priv; + struct ieee80211_mesh_state *ms = vap->iv_mesh; + struct sta_entry *selbs; + struct ieee80211_channel *chan; + + KASSERT(vap->iv_opmode == IEEE80211_M_MBSS, + ("wrong opmode %u", vap->iv_opmode)); + + if (st->st_newscan) { + sta_update_notseen(st); + st->st_newscan = 0; + } + if (ss->ss_flags & IEEE80211_SCAN_NOPICK) { + /* + * Manual/background scan, don't select+join the + * bss, just return. The scanning framework will + * handle notification that this has completed. + */ + ss->ss_flags &= ~IEEE80211_SCAN_NOPICK; + return 1; + } + /* + * Automatic sequencing; look for a candidate and + * if found join the network. + */ + /* NB: unlocked read should be ok */ + if (TAILQ_FIRST(&st->st_entry) == NULL) { + IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN, + "%s: no scan candidate\n", __func__); + if (ss->ss_flags & IEEE80211_SCAN_NOJOIN) + return 0; +notfound: + if (ms->ms_idlen != 0) { + /* + * No existing mbss network to join and we have + * a meshid; start one up. If no channel was + * specified, try to select a channel. + */ + if (vap->iv_des_chan == IEEE80211_CHAN_ANYC || + IEEE80211_IS_CHAN_RADAR(vap->iv_des_chan)) { + struct ieee80211com *ic = vap->iv_ic; + + chan = adhoc_pick_channel(ss, 0); + if (chan != NULL) + chan = ieee80211_ht_adjust_channel(ic, + chan, vap->iv_flags_ht); + } else + chan = vap->iv_des_chan; + if (chan != NULL) { + ieee80211_create_ibss(vap, chan); + return 1; + } + } + /* + * If nothing suitable was found decrement + * the failure counts so entries will be + * reconsidered the next time around. We + * really want to do this only for sta's + * where we've previously had some success. + */ + sta_dec_fails(st); + st->st_newscan = 1; + return 0; /* restart scan */ + } + selbs = select_bss(ss, vap, IEEE80211_MSG_SCAN); + if (ss->ss_flags & IEEE80211_SCAN_NOJOIN) + return (selbs != NULL); + if (selbs == NULL) + goto notfound; + chan = selbs->base.se_chan; + if (selbs->se_flags & STA_DEMOTE11B) + chan = demote11b(vap, chan); + if (!ieee80211_sta_join(vap, chan, &selbs->base)) + goto notfound; + return 1; /* terminate scan */ +} + +static const struct ieee80211_scanner mesh_default = { + .scan_name = "default", + .scan_attach = sta_attach, + .scan_detach = sta_detach, + .scan_start = adhoc_start, + .scan_restart = sta_restart, + .scan_cancel = sta_cancel, + .scan_end = mesh_pick_bss, + .scan_flush = sta_flush, + .scan_pickchan = adhoc_pick_channel, + .scan_add = sta_add, + .scan_age = adhoc_age, + .scan_iterate = sta_iterate, + .scan_assoc_fail = sta_assoc_fail, + .scan_assoc_success = sta_assoc_success, +}; +IEEE80211_SCANNER_ALG(mesh, IEEE80211_M_MBSS, mesh_default); +#endif /* IEEE80211_SUPPORT_MESH */ diff --git a/sys/net80211/ieee80211_var.h b/sys/net80211/ieee80211_var.h index 833c696..3d23f47 100644 --- a/sys/net80211/ieee80211_var.h +++ b/sys/net80211/ieee80211_var.h @@ -318,6 +318,8 @@ struct ieee80211com { struct ieee80211_aclator; struct ieee80211_tdma_state; +struct ieee80211_mesh_state; +struct ieee80211_hwmp_state; struct ieee80211vap { struct ifmedia iv_media; /* interface media config */ @@ -432,6 +434,8 @@ struct ieee80211vap { void *iv_as; /* private aclator state */ struct ieee80211_tdma_state *iv_tdma; /* tdma state */ + struct ieee80211_mesh_state *iv_mesh; /* MBSS state */ + struct ieee80211_hwmp_state *iv_hwmp; /* HWMP state */ /* operate-mode detach hook */ void (*iv_opdetach)(struct ieee80211vap *); @@ -588,6 +592,7 @@ MALLOC_DECLARE(M_80211_VAP); #define IEEE80211_C_SHPREAMBLE 0x00008000 /* CAPABILITY: short preamble */ #define IEEE80211_C_MONITOR 0x00010000 /* CAPABILITY: monitor mode */ #define IEEE80211_C_DFS 0x00020000 /* CAPABILITY: DFS/radar avail*/ +#define IEEE80211_C_MBSS 0x00040000 /* CAPABILITY: MBSS available */ /* 0x7c0000 available */ #define IEEE80211_C_WPA1 0x00800000 /* CAPABILITY: WPA1 avail */ #define IEEE80211_C_WPA2 0x01000000 /* CAPABILITY: WPA2 avail */ @@ -604,12 +609,12 @@ MALLOC_DECLARE(M_80211_VAP); #define IEEE80211_C_OPMODE \ (IEEE80211_C_STA | IEEE80211_C_IBSS | IEEE80211_C_HOSTAP | \ IEEE80211_C_AHDEMO | IEEE80211_C_MONITOR | IEEE80211_C_WDS | \ - IEEE80211_C_TDMA) + IEEE80211_C_TDMA | IEEE80211_C_MBSS) #define IEEE80211_C_BITS \ "\20\1STA\002803ENCAP\7FF\10TURBOP\11IBSS\12PMGT" \ "\13HOSTAP\14AHDEMO\15SWRETRY\16TXPMGT\17SHSLOT\20SHPREAMBLE" \ - "\21MONITOR\22DFS\30WPA1\31WPA2\32BURST\33WME\34WDS\36BGSCAN" \ + "\21MONITOR\22DFS\23MBSS\30WPA1\31WPA2\32BURST\33WME\34WDS\36BGSCAN" \ "\37TXFRAG\40TDMA" /* @@ -783,7 +788,7 @@ ieee80211_htchanflags(const struct ieee80211_channel *c) * program) and/or the msgs generated by net80211. Messages are * broken into functional classes and can be controlled with the * wlandebug program. Certain of these msg groups are for facilities - * that are no longer part of net80211 (e.g. IEEE80211_MSG_DOT1X). + * that are no longer part of net80211 (e.g. IEEE80211_MSG_DOT1XSM). */ #define IEEE80211_MSG_11N 0x80000000 /* 11n mode debug */ #define IEEE80211_MSG_DEBUG 0x40000000 /* IFF_DEBUG equivalent */ @@ -799,7 +804,7 @@ ieee80211_htchanflags(const struct ieee80211_channel *c) #define IEEE80211_MSG_OUTPUT 0x00100000 /* output handling */ #define IEEE80211_MSG_STATE 0x00080000 /* state machine */ #define IEEE80211_MSG_POWER 0x00040000 /* power save handling */ -#define IEEE80211_MSG_DOT1X 0x00020000 /* 802.1x authenticator */ +#define IEEE80211_MSG_HWMP 0x00020000 /* hybrid mesh protocol */ #define IEEE80211_MSG_DOT1XSM 0x00010000 /* 802.1x state machine */ #define IEEE80211_MSG_RADIUS 0x00008000 /* 802.1x radius client */ #define IEEE80211_MSG_RADDUMP 0x00004000 /* dump 802.1x radius packets */ @@ -821,7 +826,7 @@ ieee80211_htchanflags(const struct ieee80211_channel *c) #define IEEE80211_MSG_BITS \ "\20\2TDMA\3IOCTL\4WDS\5ACTION\6RATECTL\7ROAM\10INACT\11DOTH\12SUPERG" \ - "\13WME\14ACL\15WPA\16RADKEYS\17RADDUMP\20RADIUS\21DOT1XSM\22DOT1X" \ + "\13WME\14ACL\15WPA\16RADKEYS\17RADDUMP\20RADIUS\21DOT1XSM\22HWMP" \ "\23POWER\24STATE\25OUTPUT\26SCAN\27AUTH\30ASSOC\31NODE\32ELEMID" \ "\33XRATE\34INPUT\35CRYPTO\36DUPMPKTS\37DEBUG\04011N" diff --git a/sys/pc98/conf/GENERIC b/sys/pc98/conf/GENERIC index 34d6763..ef75694 100644 --- a/sys/pc98/conf/GENERIC +++ b/sys/pc98/conf/GENERIC @@ -223,6 +223,7 @@ device xe # Xircom pccard Ethernet #device wlan # 802.11 support #options IEEE80211_DEBUG # enable debug msgs #options IEEE80211_AMPDU_AGE # age frames in AMPDU reorder q's +#options IEEE80211_SUPPORT_MESH # enable 802.11s D3.0 support #device wlan_wep # 802.11 WEP support #device wlan_ccmp # 802.11 CCMP support #device wlan_tkip # 802.11 TKIP support diff --git a/sys/sparc64/conf/GENERIC b/sys/sparc64/conf/GENERIC index 733f3a0..95be09a 100644 --- a/sys/sparc64/conf/GENERIC +++ b/sys/sparc64/conf/GENERIC @@ -201,6 +201,7 @@ device xl # 3Com 3c90x (``Boomerang'', ``Cyclone'') device wlan # 802.11 support options IEEE80211_DEBUG # enable debug msgs options IEEE80211_AMPDU_AGE # age frames in AMPDU reorder q's +options IEEE80211_SUPPORT_MESH # enable 802.11s D3.0 support device wlan_wep # 802.11 WEP support device wlan_ccmp # 802.11 CCMP support device wlan_tkip # 802.11 TKIP support diff --git a/tools/tools/nanobsd/gateworks/G2348 b/tools/tools/nanobsd/gateworks/G2348 index b33d3e5..cc691ad 100644 --- a/tools/tools/nanobsd/gateworks/G2348 +++ b/tools/tools/nanobsd/gateworks/G2348 @@ -93,6 +93,7 @@ device random # Entropy device device wlan # 802.11 support options IEEE80211_DEBUG # enable debugging msgs options IEEE80211_AMPDU_AGE # age frames in AMPDU reorder q's +options IEEE80211_SUPPORT_MESH options IEEE80211_SUPPORT_TDMA device wlan_wep # 802.11 WEP support device wlan_ccmp # 802.11 CCMP support diff --git a/tools/tools/nanobsd/gateworks/G2358 b/tools/tools/nanobsd/gateworks/G2358 index c7a9431..487b268 100644 --- a/tools/tools/nanobsd/gateworks/G2358 +++ b/tools/tools/nanobsd/gateworks/G2358 @@ -94,6 +94,7 @@ device random # Entropy device device wlan # 802.11 support options IEEE80211_DEBUG # enable debugging msgs options IEEE80211_AMPDU_AGE # age frames in AMPDU reorder q's +options IEEE80211_SUPPORT_MESH options IEEE80211_SUPPORT_TDMA device wlan_wep # 802.11 WEP support device wlan_ccmp # 802.11 CCMP support diff --git a/tools/tools/net80211/scripts/config b/tools/tools/net80211/scripts/config index e501bc0..aa502e1 100644 --- a/tools/tools/net80211/scripts/config +++ b/tools/tools/net80211/scripts/config @@ -49,6 +49,9 @@ test -z "$WPA_PASSPHRASE" && WPA_PASSPHRASE='I am not a geek' # default ssid for ap vaps test -z "$SSID" && SSID=freebsd-ap +# default meshid for mesh vaps +test -z "$MESHID" && MESHID=freebsd-mesh + # directory to create files like hostapd.conf test -z "$TMPDIR" && TMPDIR=. diff --git a/tools/tools/net80211/scripts/mesh/common b/tools/tools/net80211/scripts/mesh/common new file mode 100644 index 0000000..a8816a2 --- /dev/null +++ b/tools/tools/net80211/scripts/mesh/common @@ -0,0 +1,13 @@ +#! /bin/sh +# +# Common setup. +# +# $FreeBSD$ +# +PATH=../:.:$PATH +. config +. config.mesh + +WLAN=`ifconfig wlan create wlanmode mesh wlandev $WIRELESS` +ifconfig $WLAN meshid $MESHID channel $CHANNEL mtu 1500 +wlandebug -i $WLAN mesh+hwmp+state+scan+assoc diff --git a/tools/tools/net80211/scripts/mesh/config.mesh b/tools/tools/net80211/scripts/mesh/config.mesh new file mode 100644 index 0000000..c144218 --- /dev/null +++ b/tools/tools/net80211/scripts/mesh/config.mesh @@ -0,0 +1,17 @@ +# +# Common configuration settings for mesh test scripts. +# +# $FreeBSD$ +# + +NODE1_IP=10.0.1.100 +NODE2_IP=10.0.1.101 +NODE3_IP=10.0.1.102 +NODE4_IP=10.0.1.103 +NODE5_IP=10.0.1.104 + +NODE1_MAC=00:0b:6b:2d:dc:d8 +NODE2_MAC=00:0b:6b:2d:db:ac +NODE3_MAC=00:0b:6b:2d:dd:17 +NODE4_MAC=00:0b:6b:87:1c:f0 +NODE5_MAC=00:14:a5:33:33:a7 diff --git a/tools/tools/net80211/scripts/mesh/setup.simple b/tools/tools/net80211/scripts/mesh/setup.simple new file mode 100644 index 0000000..ee7b56e --- /dev/null +++ b/tools/tools/net80211/scripts/mesh/setup.simple @@ -0,0 +1,13 @@ +#! /bin/sh +# +# Script for creating a simple Mesh Point. +# Topology is fully connected if every node is a neighbor of each other. +# +# $FreeBSD$ +# +PATH=../:.:$PATH +. config +. config.mesh + +. common +ifconfig $WLAN up diff --git a/tools/tools/net80211/scripts/mesh/topology.line b/tools/tools/net80211/scripts/mesh/topology.line new file mode 100644 index 0000000..695f8bd --- /dev/null +++ b/tools/tools/net80211/scripts/mesh/topology.line @@ -0,0 +1,38 @@ +#! /bin/sh +# +# Script for creating a mesh in line topology. +# +# node1 <-> node2 <-> node3 <-> node4 <-> node5 +# +# $FreeBSD$ +# +PATH=../:.:$PATH +. config +. config.mesh + +. common +ifconfig $WLAN mac:allow +MAC=`ifconfig $WLAN | grep ether | awk '{ print $2 }'` +case $MAC in + $NODE1_MAC) + ifconfig $WLAN inet $NODE1_IP + ifconfig $WLAN mac:add $NODE2_MAC + ;; + $NODE2_MAC) + ifconfig $WLAN inet $NODE2_IP + ifconfig $WLAN mac:add $NODE1_MAC mac:add $NODE3_MAC + ;; + $NODE3_MAC) + ifconfig $WLAN inet $NODE3_IP + ifconfig $WLAN mac:add $NODE2_MAC mac:add $NODE4_MAC + ;; + $NODE4_MAC) + ifconfig $WLAN inet $NODE4_IP + ifconfig $WLAN mac:add $NODE3_MAC mac:add $NODE5_MAC + ;; + $NODE5_MAC) + ifconfig $WLAN inet $NODE5_IP + ifconfig $WLAN mac:add $NODE4_MAC + ;; +esac +ifconfig $WLAN up diff --git a/tools/tools/net80211/scripts/mesh/topology.ring b/tools/tools/net80211/scripts/mesh/topology.ring new file mode 100644 index 0000000..1810f3c --- /dev/null +++ b/tools/tools/net80211/scripts/mesh/topology.ring @@ -0,0 +1,40 @@ +#! /bin/sh +# +# Script for creating a mesh in ring topology. +# +# node1 - node2 - node3 - node4 - node5 +# ^ | +# \------------------------------- +# +# $FreeBSD$ +# +PATH=../:.:$PATH +. config +. config.mesh + +. common +ifconfig $WLAN mac:allow +MAC=`ifconfig $WLAN | grep ether | awk '{ print $2 }'` +case $MAC in + $NODE1_MAC) + ifconfig $WLAN inet $NODE1_IP + ifconfig $WLAN mac:add $NODE2_MAC mac:add $NODE5_MAC + ;; + $NODE2_MAC) + ifconfig $WLAN inet $NODE2_IP + ifconfig $WLAN mac:add $NODE1_MAC mac:add $NODE3_MAC + ;; + $NODE3_MAC) + ifconfig $WLAN inet $NODE3_IP + ifconfig $WLAN mac:add $NODE2_MAC mac:add $NODE4_MAC + ;; + $NODE4_MAC) + ifconfig $WLAN inet $NODE4_IP + ifconfig $WLAN mac:add $NODE3_MAC mac:add $NODE5_MAC + ;; + $NODE5_MAC) + ifconfig $WLAN inet $NODE5_IP + ifconfig $WLAN mac:add $NODE1_MAC mac:add $NODE4_MAC + ;; +esac +ifconfig $WLAN up diff --git a/tools/tools/net80211/scripts/mesh/topology.star b/tools/tools/net80211/scripts/mesh/topology.star new file mode 100644 index 0000000..a7396a0 --- /dev/null +++ b/tools/tools/net80211/scripts/mesh/topology.star @@ -0,0 +1,38 @@ +#! /bin/sh +# +# Script for creating a mesh in star topology. +# Node 3 will be the center. +# +# $FreeBSD$ +# +PATH=../:.:$PATH +. config +. config.mesh + +. common +ifconfig $WLAN mac:allow +MAC=`ifconfig $WLAN | grep ether | awk '{ print $2 }'` +case $MAC in + $NODE1_MAC) + ifconfig $WLAN inet $NODE1_IP + ifconfig $WLAN mac:add $NODE3_MAC + ;; + $NODE2_MAC) + ifconfig $WLAN inet $NODE2_IP + ifconfig $WLAN mac:add $NODE3_MAC + ;; + $NODE3_MAC) + ifconfig $WLAN inet $NODE3_IP + ifconfig $WLAN mac:add $NODE1_MAC mac:add $NODE2_MAC mac:add \ + $NODE4_MAC mac:add $NODE5_MAC + ;; + $NODE4_MAC) + ifconfig $WLAN inet $NODE4_IP + ifconfig $WLAN mac:add $NODE3_MAC + ;; + $NODE5_MAC) + ifconfig $WLAN inet $NODE5_IP + ifconfig $WLAN mac:add $NODE3_MAC + ;; +esac +ifconfig $WLAN up diff --git a/tools/tools/net80211/scripts/mesh/topology.tree b/tools/tools/net80211/scripts/mesh/topology.tree new file mode 100644 index 0000000..9a2ed32 --- /dev/null +++ b/tools/tools/net80211/scripts/mesh/topology.tree @@ -0,0 +1,47 @@ +#! /bin/sh +# +# Script for creating a mesh in tree (hirearchical) topology. +# +# node1 +# ^ +# | +# / \ +# v v +# node2 node3 +# ^ ^ +# | | +# v v +# node4 node5 +# +# $FreeBSD$ +# +PATH=../:.:$PATH +. config +. config.mesh + +. common +ifconfig $WLAN mac:allow +MAC=`ifconfig $WLAN | grep ether | awk '{ print $2 }'` +case $MAC in + $NODE1_MAC) + ifconfig $WLAN inet $NODE1_IP + ifconfig $WLAN mac:add $NODE2_MAC mac:add $NODE3_MAC + ;; + $NODE2_MAC) + ifconfig $WLAN inet $NODE2_IP + ifconfig $WLAN mac:add $NODE1_MAC mac:add $NODE4_MAC + ;; + $NODE3_MAC) + ifconfig $WLAN inet $NODE3_IP + ifconfig $WLAN mac:add $NODE1_MAC mac:add $NODE5_MAC + ;; + $NODE4_MAC) + ifconfig $WLAN inet $NODE4_IP + ifconfig $WLAN mac:add $NODE2_MAC + ;; + $NODE5_MAC) + ifconfig $WLAN inet $NODE5_IP + ifconfig $WLAN mac:add $NODE3_MAC + ;; +esac +ifconfig $WLAN up diff --git a/tools/tools/net80211/wlanstats/wlanstats.c b/tools/tools/net80211/wlanstats/wlanstats.c index dd8e106..1d4ef33 100644 --- a/tools/tools/net80211/wlanstats/wlanstats.c +++ b/tools/tools/net80211/wlanstats/wlanstats.c @@ -322,7 +322,27 @@ static const struct fmt wlanstats[] = { { 4, "ht_downgrade", "ht_downgrade", "HT station downgraded to legacy operation" }, #define S_HT_ASSOC_NORATE AFTER(S_HT_ASSOC_DOWNGRADE) { 4, "ht_norate", "ht_norate", "HT station rejected because of HT rate set" }, -#define S_INPUT AFTER(S_HT_ASSOC_NORATE) +#define S_MESH_WRONGMESH AFTER(S_HT_ASSOC_NORATE) + { 4, "mesh_wrong", "mesh_wrong", "frame discarded because sender not a mesh sta" }, +#define S_MESH_NOLINK AFTER(S_MESH_WRONGMESH) + { 4, "mesh_nolink", "mesh_nolink", "frame discarded because link not established" }, +#define S_MESH_FWD_TTL AFTER(S_MESH_NOLINK) + { 4, "mesh_fwd_ttl", "mesh_fwd_ttl", "frame not forwarded because TTL zero" }, +#define S_MESH_FWD_NOBUF AFTER(S_MESH_FWD_TTL) + { 4, "mesh_fwd_nobuf", "mesh_fwd_nobuf", "frame not forwarded because mbuf could not be allocated" }, +#define S_MESH_FWD_TOOSHORT AFTER(S_MESH_FWD_NOBUF) + { 4, "mesh_fwd_tooshort", "mesh_fwd_tooshort", "frame not forwarded because too short to have 802.11 header" }, +#define S_MESH_FWD_DISABLED AFTER(S_MESH_FWD_TOOSHORT) + { 4, "mesh_fwd_disabled", "mesh_fwd_disabled", "frame not forwarded because administratively disabled" }, +#define S_MESH_FWD_NOPATH AFTER(S_MESH_FWD_DISABLED) + { 4, "mesh_fwd_nopath", "mesh_fwd_nopath", "frame not forwarded because no path found to destination" }, +#define S_HWMP_WRONGSEQ AFTER(S_MESH_FWD_NOPATH) + { 4, "hwmp_wrongseq", "hwmp_wrongseq", "frame discarded because mesh sequence number is invalid" }, +#define S_HWMP_ROOTREQS AFTER(S_HWMP_WRONGSEQ) + { 4, "hwmp_rootreqs", "hwmp_rootreqs", "root PREQ frames sent" }, +#define S_HWMP_ROOTANN AFTER(S_HWMP_ROOTREQS) + { 4, "hwmp_rootann", "hwmp_rootann", "root RANN frames received" }, +#define S_INPUT AFTER(S_HWMP_ROOTANN) { 8, "input", "input", "total data frames received" }, #define S_RX_UCAST AFTER(S_INPUT) { 8, "rx_ucast", "rx_ucast", "unicast data frames received" }, @@ -766,6 +786,16 @@ wlan_get_curstat(struct statfoo *sf, int s, char b[], size_t bs) case S_HT_ASSOC_NOHTCAP:STAT(ht_assoc_nohtcap); case S_HT_ASSOC_DOWNGRADE:STAT(ht_assoc_downgrade); case S_HT_ASSOC_NORATE: STAT(ht_assoc_norate); + case S_MESH_WRONGMESH: STAT(mesh_wrongmesh); + case S_MESH_NOLINK: STAT(mesh_nolink); + case S_MESH_FWD_TTL: STAT(mesh_fwd_ttl); + case S_MESH_FWD_NOBUF: STAT(mesh_fwd_nobuf); + case S_MESH_FWD_TOOSHORT: STAT(mesh_fwd_tooshort); + case S_MESH_FWD_DISABLED: STAT(mesh_fwd_disabled); + case S_MESH_FWD_NOPATH: STAT(mesh_fwd_nopath); + case S_HWMP_WRONGSEQ: STAT(hwmp_wrongseq); + case S_HWMP_ROOTREQS: STAT(hwmp_rootreqs); + case S_HWMP_ROOTANN: STAT(hwmp_rootrann); case S_INPUT: NSTAT(rx_data); case S_OUTPUT: NSTAT(tx_data); case S_RX_UCAST: NSTAT(rx_ucast); @@ -910,6 +940,16 @@ wlan_get_totstat(struct statfoo *sf, int s, char b[], size_t bs) case S_HT_ASSOC_NOHTCAP:STAT(ht_assoc_nohtcap); case S_HT_ASSOC_DOWNGRADE:STAT(ht_assoc_downgrade); case S_HT_ASSOC_NORATE: STAT(ht_assoc_norate); + case S_MESH_WRONGMESH: STAT(mesh_wrongmesh); + case S_MESH_NOLINK: STAT(mesh_nolink); + case S_MESH_FWD_TTL: STAT(mesh_fwd_ttl); + case S_MESH_FWD_NOBUF: STAT(mesh_fwd_nobuf); + case S_MESH_FWD_TOOSHORT: STAT(mesh_fwd_tooshort); + case S_MESH_FWD_DISABLED: STAT(mesh_fwd_disabled); + case S_MESH_FWD_NOPATH: STAT(mesh_fwd_nopath); + case S_HWMP_WRONGSEQ: STAT(hwmp_wrongseq); + case S_HWMP_ROOTREQS: STAT(hwmp_rootreqs); + case S_HWMP_ROOTANN: STAT(hwmp_rootrann); case S_INPUT: NSTAT(rx_data); case S_OUTPUT: NSTAT(tx_data); case S_RX_UCAST: NSTAT(rx_ucast); |
