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authorDavid S. Miller <davem@davemloft.net>2010-12-14 10:52:54 -0800
committerDavid S. Miller <davem@davemloft.net>2010-12-14 10:52:54 -0800
commit6389aa73ab8c15084fce18307a8e198eaff818da (patch)
treecbad535e69b662cbb904afeacf4b50461e415b86 /net
parent0dbaee3b37e118a96bb7b8eb0d9bbaeeb46264be (diff)
parent1d212aa96e1b63459486f729af9a3fa38768b801 (diff)
downloadop-kernel-dev-6389aa73ab8c15084fce18307a8e198eaff818da.zip
op-kernel-dev-6389aa73ab8c15084fce18307a8e198eaff818da.tar.gz
Merge branch 'for-davem' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next-2.6
Diffstat (limited to 'net')
-rw-r--r--net/mac80211/Kconfig1
-rw-r--r--net/mac80211/cfg.c70
-rw-r--r--net/mac80211/debugfs_netdev.c2
-rw-r--r--net/mac80211/ieee80211_i.h16
-rw-r--r--net/mac80211/iface.c30
-rw-r--r--net/mac80211/main.c5
-rw-r--r--net/mac80211/mesh.c36
-rw-r--r--net/mac80211/mesh.h23
-rw-r--r--net/mac80211/mesh_hwmp.c9
-rw-r--r--net/mac80211/mesh_pathtbl.c7
-rw-r--r--net/mac80211/mlme.c104
-rw-r--r--net/mac80211/rx.c1
-rw-r--r--net/mac80211/sta_info.c2
-rw-r--r--net/mac80211/sta_info.h3
-rw-r--r--net/mac80211/status.c18
-rw-r--r--net/mac80211/tx.c28
-rw-r--r--net/mac80211/work.c5
-rw-r--r--net/wireless/Makefile2
-rw-r--r--net/wireless/core.c15
-rw-r--r--net/wireless/core.h13
-rw-r--r--net/wireless/mesh.c140
-rw-r--r--net/wireless/nl80211.c212
-rw-r--r--net/wireless/util.c1
23 files changed, 537 insertions, 206 deletions
diff --git a/net/mac80211/Kconfig b/net/mac80211/Kconfig
index 4d6f8653..798d9b9 100644
--- a/net/mac80211/Kconfig
+++ b/net/mac80211/Kconfig
@@ -6,6 +6,7 @@ config MAC80211
select CRYPTO_ARC4
select CRYPTO_AES
select CRC32
+ select AVERAGE
---help---
This option enables the hardware independent IEEE 802.11
networking stack.
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index db134b5..c30b8b7 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -19,9 +19,10 @@
#include "rate.h"
#include "mesh.h"
-static int ieee80211_add_iface(struct wiphy *wiphy, char *name,
- enum nl80211_iftype type, u32 *flags,
- struct vif_params *params)
+static struct net_device *ieee80211_add_iface(struct wiphy *wiphy, char *name,
+ enum nl80211_iftype type,
+ u32 *flags,
+ struct vif_params *params)
{
struct ieee80211_local *local = wiphy_priv(wiphy);
struct net_device *dev;
@@ -29,12 +30,15 @@ static int ieee80211_add_iface(struct wiphy *wiphy, char *name,
int err;
err = ieee80211_if_add(local, name, &dev, type, params);
- if (err || type != NL80211_IFTYPE_MONITOR || !flags)
- return err;
+ if (err)
+ return ERR_PTR(err);
- sdata = IEEE80211_DEV_TO_SUB_IF(dev);
- sdata->u.mntr_flags = *flags;
- return 0;
+ if (type == NL80211_IFTYPE_MONITOR && flags) {
+ sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+ sdata->u.mntr_flags = *flags;
+ }
+
+ return dev;
}
static int ieee80211_del_iface(struct wiphy *wiphy, struct net_device *dev)
@@ -56,11 +60,6 @@ static int ieee80211_change_iface(struct wiphy *wiphy,
if (ret)
return ret;
- if (ieee80211_vif_is_mesh(&sdata->vif) && params->mesh_id_len)
- ieee80211_sdata_set_mesh_id(sdata,
- params->mesh_id_len,
- params->mesh_id);
-
if (type == NL80211_IFTYPE_AP_VLAN &&
params && params->use_4addr == 0)
rcu_assign_pointer(sdata->u.vlan.sta, NULL);
@@ -343,8 +342,9 @@ static void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo)
if ((sta->local->hw.flags & IEEE80211_HW_SIGNAL_DBM) ||
(sta->local->hw.flags & IEEE80211_HW_SIGNAL_UNSPEC)) {
- sinfo->filled |= STATION_INFO_SIGNAL;
+ sinfo->filled |= STATION_INFO_SIGNAL | STATION_INFO_SIGNAL_AVG;
sinfo->signal = (s8)sta->last_signal;
+ sinfo->signal_avg = (s8) -ewma_read(&sta->avg_signal);
}
sinfo->txrate.flags = 0;
@@ -999,9 +999,9 @@ static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask)
return (mask >> (parm-1)) & 0x1;
}
-static int ieee80211_set_mesh_params(struct wiphy *wiphy,
- struct net_device *dev,
- const struct mesh_config *nconf, u32 mask)
+static int ieee80211_update_mesh_params(struct wiphy *wiphy,
+ struct net_device *dev, u32 mask,
+ const struct mesh_config *nconf)
{
struct mesh_config *conf;
struct ieee80211_sub_if_data *sdata;
@@ -1024,6 +1024,8 @@ static int ieee80211_set_mesh_params(struct wiphy *wiphy,
conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries;
if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask))
conf->dot11MeshTTL = nconf->dot11MeshTTL;
+ if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL, mask))
+ conf->dot11MeshTTL = nconf->element_ttl;
if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask))
conf->auto_open_plinks = nconf->auto_open_plinks;
if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask))
@@ -1050,6 +1052,30 @@ static int ieee80211_set_mesh_params(struct wiphy *wiphy,
return 0;
}
+static int ieee80211_join_mesh(struct wiphy *wiphy, struct net_device *dev,
+ const struct mesh_config *conf,
+ const struct mesh_setup *setup)
+{
+ struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+ struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
+
+ memcpy(&sdata->u.mesh.mshcfg, conf, sizeof(struct mesh_config));
+ ifmsh->mesh_id_len = setup->mesh_id_len;
+ memcpy(ifmsh->mesh_id, setup->mesh_id, ifmsh->mesh_id_len);
+
+ ieee80211_start_mesh(sdata);
+
+ return 0;
+}
+
+static int ieee80211_leave_mesh(struct wiphy *wiphy, struct net_device *dev)
+{
+ struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+
+ ieee80211_stop_mesh(sdata);
+
+ return 0;
+}
#endif
static int ieee80211_change_bss(struct wiphy *wiphy,
@@ -1108,6 +1134,12 @@ static int ieee80211_change_bss(struct wiphy *wiphy,
sdata->flags &= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
}
+ if (params->ht_opmode >= 0) {
+ sdata->vif.bss_conf.ht_operation_mode =
+ (u16) params->ht_opmode;
+ changed |= BSS_CHANGED_HT;
+ }
+
ieee80211_bss_info_change_notify(sdata, changed);
return 0;
@@ -1754,8 +1786,10 @@ struct cfg80211_ops mac80211_config_ops = {
.change_mpath = ieee80211_change_mpath,
.get_mpath = ieee80211_get_mpath,
.dump_mpath = ieee80211_dump_mpath,
- .set_mesh_params = ieee80211_set_mesh_params,
+ .update_mesh_params = ieee80211_update_mesh_params,
.get_mesh_params = ieee80211_get_mesh_params,
+ .join_mesh = ieee80211_join_mesh,
+ .leave_mesh = ieee80211_leave_mesh,
#endif
.change_bss = ieee80211_change_bss,
.set_txq_params = ieee80211_set_txq_params,
diff --git a/net/mac80211/debugfs_netdev.c b/net/mac80211/debugfs_netdev.c
index cbdf36d..2dabdf7 100644
--- a/net/mac80211/debugfs_netdev.c
+++ b/net/mac80211/debugfs_netdev.c
@@ -251,6 +251,7 @@ IEEE80211_IF_FILE(dot11MeshConfirmTimeout,
IEEE80211_IF_FILE(dot11MeshHoldingTimeout,
u.mesh.mshcfg.dot11MeshHoldingTimeout, DEC);
IEEE80211_IF_FILE(dot11MeshTTL, u.mesh.mshcfg.dot11MeshTTL, DEC);
+IEEE80211_IF_FILE(element_ttl, u.mesh.mshcfg.element_ttl, DEC);
IEEE80211_IF_FILE(auto_open_plinks, u.mesh.mshcfg.auto_open_plinks, DEC);
IEEE80211_IF_FILE(dot11MeshMaxPeerLinks,
u.mesh.mshcfg.dot11MeshMaxPeerLinks, DEC);
@@ -355,6 +356,7 @@ static void add_mesh_config(struct ieee80211_sub_if_data *sdata)
MESHPARAMS_ADD(dot11MeshConfirmTimeout);
MESHPARAMS_ADD(dot11MeshHoldingTimeout);
MESHPARAMS_ADD(dot11MeshTTL);
+ MESHPARAMS_ADD(element_ttl);
MESHPARAMS_ADD(auto_open_plinks);
MESHPARAMS_ADD(dot11MeshMaxPeerLinks);
MESHPARAMS_ADD(dot11MeshHWMPactivePathTimeout);
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index 66b0b52..72499fe 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -357,6 +357,7 @@ struct ieee80211_if_managed {
unsigned long beacon_timeout;
unsigned long probe_timeout;
int probe_send_count;
+ bool nullfunc_failed;
struct mutex mtx;
struct cfg80211_bss *associated;
@@ -608,19 +609,6 @@ struct ieee80211_sub_if_data *vif_to_sdata(struct ieee80211_vif *p)
return container_of(p, struct ieee80211_sub_if_data, vif);
}
-static inline void
-ieee80211_sdata_set_mesh_id(struct ieee80211_sub_if_data *sdata,
- u8 mesh_id_len, u8 *mesh_id)
-{
-#ifdef CONFIG_MAC80211_MESH
- struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
- ifmsh->mesh_id_len = mesh_id_len;
- memcpy(ifmsh->mesh_id, mesh_id, mesh_id_len);
-#else
- WARN_ON(1);
-#endif
-}
-
enum sdata_queue_type {
IEEE80211_SDATA_QUEUE_TYPE_FRAME = 0,
IEEE80211_SDATA_QUEUE_AGG_START = 1,
@@ -1271,7 +1259,7 @@ void ieee80211_send_nullfunc(struct ieee80211_local *local,
void ieee80211_sta_rx_notify(struct ieee80211_sub_if_data *sdata,
struct ieee80211_hdr *hdr);
void ieee80211_sta_tx_notify(struct ieee80211_sub_if_data *sdata,
- struct ieee80211_hdr *hdr);
+ struct ieee80211_hdr *hdr, bool ack);
void ieee80211_beacon_connection_loss_work(struct work_struct *work);
void ieee80211_wake_queues_by_reason(struct ieee80211_hw *hw,
diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c
index 7aa8559..f0f11bb 100644
--- a/net/mac80211/iface.c
+++ b/net/mac80211/iface.c
@@ -197,11 +197,6 @@ static int ieee80211_do_open(struct net_device *dev, bool coming_up)
sdata->bss = &sdata->u.ap;
break;
case NL80211_IFTYPE_MESH_POINT:
- if (!ieee80211_vif_is_mesh(&sdata->vif))
- break;
- /* mesh ifaces must set allmulti to forward mcast traffic */
- atomic_inc(&local->iff_allmultis);
- break;
case NL80211_IFTYPE_STATION:
case NL80211_IFTYPE_MONITOR:
case NL80211_IFTYPE_ADHOC:
@@ -273,12 +268,7 @@ static int ieee80211_do_open(struct net_device *dev, bool coming_up)
goto err_stop;
}
- if (ieee80211_vif_is_mesh(&sdata->vif)) {
- local->fif_other_bss++;
- ieee80211_configure_filter(local);
-
- ieee80211_start_mesh(sdata);
- } else if (sdata->vif.type == NL80211_IFTYPE_AP) {
+ if (sdata->vif.type == NL80211_IFTYPE_AP) {
local->fif_pspoll++;
local->fif_probe_req++;
@@ -503,18 +493,6 @@ static void ieee80211_do_stop(struct ieee80211_sub_if_data *sdata,
ieee80211_adjust_monitor_flags(sdata, -1);
ieee80211_configure_filter(local);
break;
- case NL80211_IFTYPE_MESH_POINT:
- if (ieee80211_vif_is_mesh(&sdata->vif)) {
- /* other_bss and allmulti are always set on mesh
- * ifaces */
- local->fif_other_bss--;
- atomic_dec(&local->iff_allmultis);
-
- ieee80211_configure_filter(local);
-
- ieee80211_stop_mesh(sdata);
- }
- /* fall through */
default:
flush_work(&sdata->work);
/*
@@ -1204,12 +1182,6 @@ int ieee80211_if_add(struct ieee80211_local *local, const char *name,
if (ret)
goto fail;
- if (ieee80211_vif_is_mesh(&sdata->vif) &&
- params && params->mesh_id_len)
- ieee80211_sdata_set_mesh_id(sdata,
- params->mesh_id_len,
- params->mesh_id);
-
mutex_lock(&local->iflist_mtx);
list_add_tail_rcu(&sdata->list, &local->interfaces);
mutex_unlock(&local->iflist_mtx);
diff --git a/net/mac80211/main.c b/net/mac80211/main.c
index 107a0cb..973fee9 100644
--- a/net/mac80211/main.c
+++ b/net/mac80211/main.c
@@ -245,9 +245,12 @@ void ieee80211_bss_info_change_notify(struct ieee80211_sub_if_data *sdata,
sdata->vif.bss_conf.enable_beacon =
!!sdata->u.ibss.presp;
break;
+#ifdef CONFIG_MAC80211_MESH
case NL80211_IFTYPE_MESH_POINT:
- sdata->vif.bss_conf.enable_beacon = true;
+ sdata->vif.bss_conf.enable_beacon =
+ !!sdata->u.mesh.mesh_id_len;
break;
+#endif
default:
/* not reached */
WARN_ON(1);
diff --git a/net/mac80211/mesh.c b/net/mac80211/mesh.c
index c8a4f19..63e1188 100644
--- a/net/mac80211/mesh.c
+++ b/net/mac80211/mesh.c
@@ -513,6 +513,11 @@ void ieee80211_start_mesh(struct ieee80211_sub_if_data *sdata)
struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
struct ieee80211_local *local = sdata->local;
+ local->fif_other_bss++;
+ /* mesh ifaces must set allmulti to forward mcast traffic */
+ atomic_inc(&local->iff_allmultis);
+ ieee80211_configure_filter(local);
+
set_bit(MESH_WORK_HOUSEKEEPING, &ifmsh->wrkq_flags);
ieee80211_mesh_root_setup(ifmsh);
ieee80211_queue_work(&local->hw, &sdata->work);
@@ -524,6 +529,13 @@ void ieee80211_start_mesh(struct ieee80211_sub_if_data *sdata)
void ieee80211_stop_mesh(struct ieee80211_sub_if_data *sdata)
{
+ struct ieee80211_local *local = sdata->local;
+ struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
+
+ ifmsh->mesh_id_len = 0;
+ ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED);
+ sta_info_flush(local, NULL);
+
del_timer_sync(&sdata->u.mesh.housekeeping_timer);
del_timer_sync(&sdata->u.mesh.mesh_path_root_timer);
/*
@@ -534,6 +546,10 @@ void ieee80211_stop_mesh(struct ieee80211_sub_if_data *sdata)
* it no longer is.
*/
cancel_work_sync(&sdata->work);
+
+ local->fif_other_bss--;
+ atomic_dec(&local->iff_allmultis);
+ ieee80211_configure_filter(local);
}
static void ieee80211_mesh_rx_bcn_presp(struct ieee80211_sub_if_data *sdata,
@@ -663,26 +679,6 @@ void ieee80211_mesh_init_sdata(struct ieee80211_sub_if_data *sdata)
ieee80211_mesh_housekeeping_timer,
(unsigned long) sdata);
- ifmsh->mshcfg.dot11MeshRetryTimeout = MESH_RET_T;
- ifmsh->mshcfg.dot11MeshConfirmTimeout = MESH_CONF_T;
- ifmsh->mshcfg.dot11MeshHoldingTimeout = MESH_HOLD_T;
- ifmsh->mshcfg.dot11MeshMaxRetries = MESH_MAX_RETR;
- ifmsh->mshcfg.dot11MeshTTL = MESH_TTL;
- ifmsh->mshcfg.auto_open_plinks = true;
- ifmsh->mshcfg.dot11MeshMaxPeerLinks =
- MESH_MAX_ESTAB_PLINKS;
- ifmsh->mshcfg.dot11MeshHWMPactivePathTimeout =
- MESH_PATH_TIMEOUT;
- ifmsh->mshcfg.dot11MeshHWMPpreqMinInterval =
- MESH_PREQ_MIN_INT;
- ifmsh->mshcfg.dot11MeshHWMPnetDiameterTraversalTime =
- MESH_DIAM_TRAVERSAL_TIME;
- ifmsh->mshcfg.dot11MeshHWMPmaxPREQretries =
- MESH_MAX_PREQ_RETRIES;
- ifmsh->mshcfg.path_refresh_time =
- MESH_PATH_REFRESH_TIME;
- ifmsh->mshcfg.min_discovery_timeout =
- MESH_MIN_DISCOVERY_TIMEOUT;
ifmsh->accepting_plinks = true;
ifmsh->preq_id = 0;
ifmsh->sn = 0;
diff --git a/net/mac80211/mesh.h b/net/mac80211/mesh.h
index 58e7411..039d7fa 100644
--- a/net/mac80211/mesh.h
+++ b/net/mac80211/mesh.h
@@ -175,33 +175,10 @@ struct mesh_rmc {
*/
#define MESH_CFG_CMP_LEN (IEEE80211_MESH_CONFIG_LEN - 2)
-/* Default values, timeouts in ms */
-#define MESH_TTL 31
-#define MESH_MAX_RETR 3
-#define MESH_RET_T 100
-#define MESH_CONF_T 100
-#define MESH_HOLD_T 100
-
-#define MESH_PATH_TIMEOUT 5000
-/* Minimum interval between two consecutive PREQs originated by the same
- * interface
- */
-#define MESH_PREQ_MIN_INT 10
-#define MESH_DIAM_TRAVERSAL_TIME 50
-/* A path will be refreshed if it is used PATH_REFRESH_TIME milliseconds before
- * timing out. This way it will remain ACTIVE and no data frames will be
- * unnecesarily held in the pending queue.
- */
-#define MESH_PATH_REFRESH_TIME 1000
-#define MESH_MIN_DISCOVERY_TIMEOUT (2 * MESH_DIAM_TRAVERSAL_TIME)
#define MESH_DEFAULT_BEACON_INTERVAL 1000 /* in 1024 us units */
-#define MESH_MAX_PREQ_RETRIES 4
#define MESH_PATH_EXPIRE (600 * HZ)
-/* Default maximum number of established plinks per interface */
-#define MESH_MAX_ESTAB_PLINKS 32
-
/* Default maximum number of plinks per interface */
#define MESH_MAX_PLINKS 256
diff --git a/net/mac80211/mesh_hwmp.c b/net/mac80211/mesh_hwmp.c
index 829e08a..5bf64d7 100644
--- a/net/mac80211/mesh_hwmp.c
+++ b/net/mac80211/mesh_hwmp.c
@@ -232,7 +232,7 @@ int mesh_path_error_tx(u8 ttl, u8 *target, __le32 target_sn,
*pos++ = WLAN_EID_PERR;
*pos++ = ie_len;
/* ttl */
- *pos++ = MESH_TTL;
+ *pos++ = ttl;
/* number of destinations */
*pos++ = 1;
/*
@@ -522,7 +522,7 @@ static void hwmp_preq_frame_process(struct ieee80211_sub_if_data *sdata,
if (reply) {
lifetime = PREQ_IE_LIFETIME(preq_elem);
- ttl = ifmsh->mshcfg.dot11MeshTTL;
+ ttl = ifmsh->mshcfg.element_ttl;
if (ttl != 0) {
mhwmp_dbg("replying to the PREQ\n");
mesh_path_sel_frame_tx(MPATH_PREP, 0, target_addr,
@@ -877,7 +877,7 @@ void mesh_path_start_discovery(struct ieee80211_sub_if_data *sdata)
sdata->u.mesh.last_sn_update = jiffies;
}
lifetime = default_lifetime(sdata);
- ttl = sdata->u.mesh.mshcfg.dot11MeshTTL;
+ ttl = sdata->u.mesh.mshcfg.element_ttl;
if (ttl == 0) {
sdata->u.mesh.mshstats.dropped_frames_ttl++;
spin_unlock_bh(&mpath->state_lock);
@@ -1013,5 +1013,6 @@ mesh_path_tx_root_frame(struct ieee80211_sub_if_data *sdata)
mesh_path_sel_frame_tx(MPATH_RANN, 0, sdata->vif.addr,
cpu_to_le32(++ifmsh->sn),
0, NULL, 0, broadcast_addr,
- 0, MESH_TTL, 0, 0, 0, sdata);
+ 0, sdata->u.mesh.mshcfg.element_ttl,
+ 0, 0, 0, sdata);
}
diff --git a/net/mac80211/mesh_pathtbl.c b/net/mac80211/mesh_pathtbl.c
index 349e466..8d65b47 100644
--- a/net/mac80211/mesh_pathtbl.c
+++ b/net/mac80211/mesh_pathtbl.c
@@ -467,8 +467,8 @@ void mesh_plink_broken(struct sta_info *sta)
mpath->flags &= ~MESH_PATH_ACTIVE;
++mpath->sn;
spin_unlock_bh(&mpath->state_lock);
- mesh_path_error_tx(MESH_TTL, mpath->dst,
- cpu_to_le32(mpath->sn),
+ mesh_path_error_tx(sdata->u.mesh.mshcfg.element_ttl,
+ mpath->dst, cpu_to_le32(mpath->sn),
cpu_to_le16(PERR_RCODE_DEST_UNREACH),
bcast, sdata);
} else
@@ -614,7 +614,8 @@ void mesh_path_discard_frame(struct sk_buff *skb,
mpath = mesh_path_lookup(da, sdata);
if (mpath)
sn = ++mpath->sn;
- mesh_path_error_tx(MESH_TTL, skb->data, cpu_to_le32(sn),
+ mesh_path_error_tx(sdata->u.mesh.mshcfg.element_ttl, skb->data,
+ cpu_to_le32(sn),
cpu_to_le16(PERR_RCODE_NO_ROUTE), ra, sdata);
}
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 7948079..45fbb9e 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -625,11 +625,12 @@ void ieee80211_recalc_ps(struct ieee80211_local *local, s32 latency)
/*
* Go to full PSM if the user configures a very low
* latency requirement.
- * The 2 second value is there for compatibility until
- * the PM_QOS_NETWORK_LATENCY is configured with real
- * values.
+ * The 2000 second value is there for compatibility
+ * until the PM_QOS_NETWORK_LATENCY is configured
+ * with real values.
*/
- if (latency > 1900000000 && latency != 2000000000)
+ if (latency > (1900 * USEC_PER_MSEC) &&
+ latency != (2000 * USEC_PER_SEC))
timeout = 0;
else
timeout = 100;
@@ -1065,17 +1066,20 @@ static void ieee80211_reset_ap_probe(struct ieee80211_sub_if_data *sdata)
}
void ieee80211_sta_tx_notify(struct ieee80211_sub_if_data *sdata,
- struct ieee80211_hdr *hdr)
+ struct ieee80211_hdr *hdr, bool ack)
{
- if (!ieee80211_is_data(hdr->frame_control) &&
- !ieee80211_is_nullfunc(hdr->frame_control))
+ if (!ieee80211_is_data(hdr->frame_control))
return;
- ieee80211_sta_reset_conn_monitor(sdata);
+ if (ack)
+ ieee80211_sta_reset_conn_monitor(sdata);
if (ieee80211_is_nullfunc(hdr->frame_control) &&
sdata->u.mgd.probe_send_count > 0) {
- sdata->u.mgd.probe_send_count = 0;
+ if (ack)
+ sdata->u.mgd.probe_send_count = 0;
+ else
+ sdata->u.mgd.nullfunc_failed = true;
ieee80211_queue_work(&sdata->local->hw, &sdata->work);
}
}
@@ -1102,9 +1106,10 @@ static void ieee80211_mgd_probe_ap_send(struct ieee80211_sub_if_data *sdata)
* anymore. The timeout will be reset if the frame is ACKed by
* the AP.
*/
- if (sdata->local->hw.flags & IEEE80211_HW_REPORTS_TX_ACK_STATUS)
+ if (sdata->local->hw.flags & IEEE80211_HW_REPORTS_TX_ACK_STATUS) {
+ ifmgd->nullfunc_failed = false;
ieee80211_send_nullfunc(sdata->local, sdata, 0);
- else {
+ } else {
ssid = ieee80211_bss_get_ie(ifmgd->associated, WLAN_EID_SSID);
ieee80211_send_probe_req(sdata, dst, ssid + 2, ssid[1], NULL, 0);
}
@@ -1913,6 +1918,31 @@ static void ieee80211_sta_timer(unsigned long data)
ieee80211_queue_work(&local->hw, &sdata->work);
}
+static void ieee80211_sta_connection_lost(struct ieee80211_sub_if_data *sdata,
+ u8 *bssid)
+{
+ struct ieee80211_local *local = sdata->local;
+ struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
+
+ ifmgd->flags &= ~(IEEE80211_STA_CONNECTION_POLL |
+ IEEE80211_STA_BEACON_POLL);
+
+ ieee80211_set_disassoc(sdata, true, true);
+ mutex_unlock(&ifmgd->mtx);
+ mutex_lock(&local->mtx);
+ ieee80211_recalc_idle(local);
+ mutex_unlock(&local->mtx);
+ /*
+ * must be outside lock due to cfg80211,
+ * but that's not a problem.
+ */
+ ieee80211_send_deauth_disassoc(sdata, bssid,
+ IEEE80211_STYPE_DEAUTH,
+ WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY,
+ NULL, true);
+ mutex_lock(&ifmgd->mtx);
+}
+
void ieee80211_sta_work(struct ieee80211_sub_if_data *sdata)
{
struct ieee80211_local *local = sdata->local;
@@ -1937,11 +1967,37 @@ void ieee80211_sta_work(struct ieee80211_sub_if_data *sdata)
/* ACK received for nullfunc probing frame */
if (!ifmgd->probe_send_count)
ieee80211_reset_ap_probe(sdata);
-
- else if (time_is_after_jiffies(ifmgd->probe_timeout))
+ else if (ifmgd->nullfunc_failed) {
+ if (ifmgd->probe_send_count < max_tries) {
+#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
+ wiphy_debug(local->hw.wiphy,
+ "%s: No ack for nullfunc frame to"
+ " AP %pM, try %d\n",
+ sdata->name, bssid,
+ ifmgd->probe_send_count);
+#endif
+ ieee80211_mgd_probe_ap_send(sdata);
+ } else {
+#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
+ wiphy_debug(local->hw.wiphy,
+ "%s: No ack for nullfunc frame to"
+ " AP %pM, disconnecting.\n",
+ sdata->name, bssid);
+#endif
+ ieee80211_sta_connection_lost(sdata, bssid);
+ }
+ } else if (time_is_after_jiffies(ifmgd->probe_timeout))
run_again(ifmgd, ifmgd->probe_timeout);
-
- else if (ifmgd->probe_send_count < max_tries) {
+ else if (local->hw.flags & IEEE80211_HW_REPORTS_TX_ACK_STATUS) {
+#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
+ wiphy_debug(local->hw.wiphy,
+ "%s: Failed to send nullfunc to AP %pM"
+ " after %dms, disconnecting.\n",
+ sdata->name,
+ bssid, (1000 * IEEE80211_PROBE_WAIT)/HZ);
+#endif
+ ieee80211_sta_connection_lost(sdata, bssid);
+ } else if (ifmgd->probe_send_count < max_tries) {
#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
wiphy_debug(local->hw.wiphy,
"%s: No probe response from AP %pM"
@@ -1956,27 +2012,13 @@ void ieee80211_sta_work(struct ieee80211_sub_if_data *sdata)
* We actually lost the connection ... or did we?
* Let's make sure!
*/
- ifmgd->flags &= ~(IEEE80211_STA_CONNECTION_POLL |
- IEEE80211_STA_BEACON_POLL);
wiphy_debug(local->hw.wiphy,
"%s: No probe response from AP %pM"
" after %dms, disconnecting.\n",
sdata->name,
bssid, (1000 * IEEE80211_PROBE_WAIT)/HZ);
- ieee80211_set_disassoc(sdata, true, true);
- mutex_unlock(&ifmgd->mtx);
- mutex_lock(&local->mtx);
- ieee80211_recalc_idle(local);
- mutex_unlock(&local->mtx);
- /*
- * must be outside lock due to cfg80211,
- * but that's not a problem.
- */
- ieee80211_send_deauth_disassoc(sdata, bssid,
- IEEE80211_STYPE_DEAUTH,
- WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY,
- NULL, true);
- mutex_lock(&ifmgd->mtx);
+
+ ieee80211_sta_connection_lost(sdata, bssid);
}
}
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index 6289525..2fe8f5f 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -1163,6 +1163,7 @@ ieee80211_rx_h_sta_process(struct ieee80211_rx_data *rx)
sta->rx_fragments++;
sta->rx_bytes += rx->skb->len;
sta->last_signal = status->signal;
+ ewma_add(&sta->avg_signal, -status->signal);
/*
* Change STA power saving mode only at the end of a frame
diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c
index eff5857..c426504 100644
--- a/net/mac80211/sta_info.c
+++ b/net/mac80211/sta_info.c
@@ -244,6 +244,8 @@ struct sta_info *sta_info_alloc(struct ieee80211_sub_if_data *sdata,
sta->local = local;
sta->sdata = sdata;
+ ewma_init(&sta->avg_signal, 1024, 8);
+
if (sta_prepare_rate_control(local, sta, gfp)) {
kfree(sta);
return NULL;
diff --git a/net/mac80211/sta_info.h b/net/mac80211/sta_info.h
index 05f1130..fdca52c 100644
--- a/net/mac80211/sta_info.h
+++ b/net/mac80211/sta_info.h
@@ -13,6 +13,7 @@
#include <linux/types.h>
#include <linux/if_ether.h>
#include <linux/workqueue.h>
+#include <linux/average.h>
#include "key.h"
/**
@@ -223,6 +224,7 @@ enum plink_state {
* @rx_fragments: number of received MPDUs
* @rx_dropped: number of dropped MPDUs from this STA
* @last_signal: signal of last received frame from this STA
+ * @avg_signal: moving average of signal of received frames from this STA
* @last_seq_ctrl: last received seq/frag number from this STA (per RX queue)
* @tx_filtered_count: number of frames the hardware filtered for this STA
* @tx_retry_failed: number of frames that failed retry
@@ -291,6 +293,7 @@ struct sta_info {
unsigned long rx_fragments;
unsigned long rx_dropped;
int last_signal;
+ struct ewma avg_signal;
__le16 last_seq_ctrl[NUM_RX_DATA_QUEUES];
/* Updated from TX status path only, no locking requirements */
diff --git a/net/mac80211/status.c b/net/mac80211/status.c
index 4958710..38a7972 100644
--- a/net/mac80211/status.c
+++ b/net/mac80211/status.c
@@ -155,10 +155,6 @@ static void ieee80211_frame_acked(struct sta_info *sta, struct sk_buff *skb)
ieee80211_queue_work(&local->hw, &local->recalc_smps);
}
-
- if ((sdata->vif.type == NL80211_IFTYPE_STATION) &&
- (local->hw.flags & IEEE80211_HW_REPORTS_TX_ACK_STATUS))
- ieee80211_sta_tx_notify(sdata, (void *) skb->data);
}
/*
@@ -186,6 +182,7 @@ void ieee80211_tx_status(struct ieee80211_hw *hw, struct sk_buff *skb)
int retry_count = -1, i;
int rates_idx = -1;
bool send_to_cooked;
+ bool acked;
for (i = 0; i < IEEE80211_TX_MAX_RATES; i++) {
/* the HW cannot have attempted that rate */
@@ -211,8 +208,8 @@ void ieee80211_tx_status(struct ieee80211_hw *hw, struct sk_buff *skb)
if (memcmp(hdr->addr2, sta->sdata->vif.addr, ETH_ALEN))
continue;
- if (!(info->flags & IEEE80211_TX_STAT_ACK) &&
- test_sta_flags(sta, WLAN_STA_PS_STA)) {
+ acked = !!(info->flags & IEEE80211_TX_STAT_ACK);
+ if (!acked && test_sta_flags(sta, WLAN_STA_PS_STA)) {
/*
* The STA is in power save mode, so assume
* that this TX packet failed because of that.
@@ -244,7 +241,7 @@ void ieee80211_tx_status(struct ieee80211_hw *hw, struct sk_buff *skb)
rcu_read_unlock();
return;
} else {
- if (!(info->flags & IEEE80211_TX_STAT_ACK))
+ if (!acked)
sta->tx_retry_failed++;
sta->tx_retry_count += retry_count;
}
@@ -253,10 +250,13 @@ void ieee80211_tx_status(struct ieee80211_hw *hw, struct sk_buff *skb)
if (ieee80211_vif_is_mesh(&sta->sdata->vif))
ieee80211s_update_metric(local, sta, skb);
- if (!(info->flags & IEEE80211_TX_CTL_INJECTED) &&
- (info->flags & IEEE80211_TX_STAT_ACK))
+ if (!(info->flags & IEEE80211_TX_CTL_INJECTED) && acked)
ieee80211_frame_acked(sta, skb);
+ if ((sta->sdata->vif.type == NL80211_IFTYPE_STATION) &&
+ (local->hw.flags & IEEE80211_HW_REPORTS_TX_ACK_STATUS))
+ ieee80211_sta_tx_notify(sta->sdata, (void *) skb->data, acked);
+
if (local->hw.flags & IEEE80211_HW_REPORTS_TX_ACK_STATUS) {
if (info->flags & IEEE80211_TX_STAT_ACK) {
if (sta->lost_packets)
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index 2ba7426..0ee56bb 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -666,10 +666,11 @@ ieee80211_tx_h_rate_ctrl(struct ieee80211_tx_data *tx)
if (unlikely(info->control.rates[0].idx < 0))
return TX_DROP;
- if (txrc.reported_rate.idx < 0)
+ if (txrc.reported_rate.idx < 0) {
txrc.reported_rate = info->control.rates[0];
-
- if (tx->sta)
+ if (tx->sta && ieee80211_is_data(hdr->frame_control))
+ tx->sta->last_tx_rate = txrc.reported_rate;
+ } else if (tx->sta)
tx->sta->last_tx_rate = txrc.reported_rate;
if (unlikely(!info->control.rates[0].count))
@@ -1745,15 +1746,13 @@ netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb,
int nh_pos, h_pos;
struct sta_info *sta = NULL;
u32 sta_flags = 0;
+ struct sk_buff *tmp_skb;
if (unlikely(skb->len < ETH_HLEN)) {
ret = NETDEV_TX_OK;
goto fail;
}
- nh_pos = skb_network_header(skb) - skb->data;
- h_pos = skb_transport_header(skb) - skb->data;
-
/* convert Ethernet header to proper 802.11 header (based on
* operation mode) */
ethertype = (skb->data[12] << 8) | skb->data[13];
@@ -1926,6 +1925,20 @@ netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb,
goto fail;
}
+ /*
+ * If the skb is shared we need to obtain our own copy.
+ */
+ if (skb_shared(skb)) {
+ tmp_skb = skb;
+ skb = skb_copy(skb, GFP_ATOMIC);
+ kfree_skb(tmp_skb);
+
+ if (!skb) {
+ ret = NETDEV_TX_OK;
+ goto fail;
+ }
+ }
+
hdr.frame_control = fc;
hdr.duration_id = 0;
hdr.seq_ctrl = 0;
@@ -1944,6 +1957,9 @@ netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb,
encaps_len = 0;
}
+ nh_pos = skb_network_header(skb) - skb->data;
+ h_pos = skb_transport_header(skb) - skb->data;
+
skb_pull(skb, skip_header_bytes);
nh_pos -= skip_header_bytes;
h_pos -= skip_header_bytes;
diff --git a/net/mac80211/work.c b/net/mac80211/work.c
index 2b5c3f2..de43753 100644
--- a/net/mac80211/work.c
+++ b/net/mac80211/work.c
@@ -458,8 +458,9 @@ ieee80211_direct_probe(struct ieee80211_work *wk)
return WORK_ACT_TIMEOUT;
}
- printk(KERN_DEBUG "%s: direct probe to %pM (try %d)\n",
- sdata->name, wk->filter_ta, wk->probe_auth.tries);
+ printk(KERN_DEBUG "%s: direct probe to %pM (try %d/%i)\n",
+ sdata->name, wk->filter_ta, wk->probe_auth.tries,
+ IEEE80211_AUTH_MAX_TRIES);
/*
* Direct probe is sent to broadcast address as some APs
diff --git a/net/wireless/Makefile b/net/wireless/Makefile
index e77e508..55a28ab 100644
--- a/net/wireless/Makefile
+++ b/net/wireless/Makefile
@@ -10,7 +10,7 @@ obj-$(CONFIG_WEXT_SPY) += wext-spy.o
obj-$(CONFIG_WEXT_PRIV) += wext-priv.o
cfg80211-y += core.o sysfs.o radiotap.o util.o reg.o scan.o nl80211.o
-cfg80211-y += mlme.o ibss.o sme.o chan.o ethtool.o
+cfg80211-y += mlme.o ibss.o sme.o chan.o ethtool.o mesh.o
cfg80211-$(CONFIG_CFG80211_DEBUGFS) += debugfs.o
cfg80211-$(CONFIG_CFG80211_WEXT) += wext-compat.o wext-sme.o
cfg80211-$(CONFIG_CFG80211_INTERNAL_REGDB) += regdb.o
diff --git a/net/wireless/core.c b/net/wireless/core.c
index 630bcf0..79772fc 100644
--- a/net/wireless/core.c
+++ b/net/wireless/core.c
@@ -332,6 +332,7 @@ struct wiphy *wiphy_new(const struct cfg80211_ops *ops, int sizeof_priv)
WARN_ON(ops->add_virtual_intf && !ops->del_virtual_intf);
WARN_ON(ops->add_station && !ops->del_station);
WARN_ON(ops->add_mpath && !ops->del_mpath);
+ WARN_ON(ops->join_mesh && !ops->leave_mesh);
alloc_size = sizeof(*rdev) + sizeof_priv;
@@ -752,6 +753,9 @@ static int cfg80211_netdev_notifier_call(struct notifier_block * nb,
cfg80211_mlme_down(rdev, dev);
wdev_unlock(wdev);
break;
+ case NL80211_IFTYPE_MESH_POINT:
+ cfg80211_leave_mesh(rdev, dev);
+ break;
default:
break;
}
@@ -775,20 +779,27 @@ static int cfg80211_netdev_notifier_call(struct notifier_block * nb,
}
cfg80211_lock_rdev(rdev);
mutex_lock(&rdev->devlist_mtx);
-#ifdef CONFIG_CFG80211_WEXT
wdev_lock(wdev);
switch (wdev->iftype) {
+#ifdef CONFIG_CFG80211_WEXT
case NL80211_IFTYPE_ADHOC:
cfg80211_ibss_wext_join(rdev, wdev);
break;
case NL80211_IFTYPE_STATION:
cfg80211_mgd_wext_connect(rdev, wdev);
break;
+#endif
+ case NL80211_IFTYPE_MESH_POINT:
+ /* backward compat code ... */
+ if (wdev->mesh_id_up_len)
+ __cfg80211_join_mesh(rdev, dev, wdev->ssid,
+ wdev->mesh_id_up_len,
+ &default_mesh_config);
+ break;
default:
break;
}
wdev_unlock(wdev);
-#endif
rdev->opencount++;
mutex_unlock(&rdev->devlist_mtx);
cfg80211_unlock_rdev(rdev);
diff --git a/net/wireless/core.h b/net/wireless/core.h
index ee80ad8..743203b 100644
--- a/net/wireless/core.h
+++ b/net/wireless/core.h
@@ -285,6 +285,19 @@ void __cfg80211_ibss_joined(struct net_device *dev, const u8 *bssid);
int cfg80211_ibss_wext_join(struct cfg80211_registered_device *rdev,
struct wireless_dev *wdev);
+/* mesh */
+extern const struct mesh_config default_mesh_config;
+int __cfg80211_join_mesh(struct cfg80211_registered_device *rdev,
+ struct net_device *dev,
+ const u8 *mesh_id, u8 mesh_id_len,
+ const struct mesh_config *conf);
+int cfg80211_join_mesh(struct cfg80211_registered_device *rdev,
+ struct net_device *dev,
+ const u8 *mesh_id, u8 mesh_id_len,
+ const struct mesh_config *conf);
+int cfg80211_leave_mesh(struct cfg80211_registered_device *rdev,
+ struct net_device *dev);
+
/* MLME */
int __cfg80211_mlme_auth(struct cfg80211_registered_device *rdev,
struct net_device *dev,
diff --git a/net/wireless/mesh.c b/net/wireless/mesh.c
new file mode 100644
index 0000000..e0b9747
--- /dev/null
+++ b/net/wireless/mesh.c
@@ -0,0 +1,140 @@
+#include <linux/ieee80211.h>
+#include <net/cfg80211.h>
+#include "core.h"
+
+/* Default values, timeouts in ms */
+#define MESH_TTL 31
+#define MESH_DEFAULT_ELEMENT_TTL 31
+#define MESH_MAX_RETR 3
+#define MESH_RET_T 100
+#define MESH_CONF_T 100
+#define MESH_HOLD_T 100
+
+#define MESH_PATH_TIMEOUT 5000
+
+/*
+ * Minimum interval between two consecutive PREQs originated by the same
+ * interface
+ */
+#define MESH_PREQ_MIN_INT 10
+#define MESH_DIAM_TRAVERSAL_TIME 50
+
+/*
+ * A path will be refreshed if it is used PATH_REFRESH_TIME milliseconds
+ * before timing out. This way it will remain ACTIVE and no data frames
+ * will be unnecessarily held in the pending queue.
+ */
+#define MESH_PATH_REFRESH_TIME 1000
+#define MESH_MIN_DISCOVERY_TIMEOUT (2 * MESH_DIAM_TRAVERSAL_TIME)
+
+/* Default maximum number of established plinks per interface */
+#define MESH_MAX_ESTAB_PLINKS 32
+
+#define MESH_MAX_PREQ_RETRIES 4
+
+
+const struct mesh_config default_mesh_config = {
+ .dot11MeshRetryTimeout = MESH_RET_T,
+ .dot11MeshConfirmTimeout = MESH_CONF_T,
+ .dot11MeshHoldingTimeout = MESH_HOLD_T,
+ .dot11MeshMaxRetries = MESH_MAX_RETR,
+ .dot11MeshTTL = MESH_TTL,
+ .element_ttl = MESH_DEFAULT_ELEMENT_TTL,
+ .auto_open_plinks = true,
+ .dot11MeshMaxPeerLinks = MESH_MAX_ESTAB_PLINKS,
+ .dot11MeshHWMPactivePathTimeout = MESH_PATH_TIMEOUT,
+ .dot11MeshHWMPpreqMinInterval = MESH_PREQ_MIN_INT,
+ .dot11MeshHWMPnetDiameterTraversalTime = MESH_DIAM_TRAVERSAL_TIME,
+ .dot11MeshHWMPmaxPREQretries = MESH_MAX_PREQ_RETRIES,
+ .path_refresh_time = MESH_PATH_REFRESH_TIME,
+ .min_discovery_timeout = MESH_MIN_DISCOVERY_TIMEOUT,
+};
+
+
+int __cfg80211_join_mesh(struct cfg80211_registered_device *rdev,
+ struct net_device *dev,
+ const u8 *mesh_id, u8 mesh_id_len,
+ const struct mesh_config *conf)
+{
+ struct wireless_dev *wdev = dev->ieee80211_ptr;
+ struct mesh_setup setup = {
+ .mesh_id = mesh_id,
+ .mesh_id_len = mesh_id_len,
+ };
+ int err;
+
+ BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN != IEEE80211_MAX_MESH_ID_LEN);
+
+ ASSERT_WDEV_LOCK(wdev);
+
+ if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
+ return -EOPNOTSUPP;
+
+ if (wdev->mesh_id_len)
+ return -EALREADY;
+
+ if (!mesh_id_len)
+ return -EINVAL;
+
+ if (!rdev->ops->join_mesh)
+ return -EOPNOTSUPP;
+
+ err = rdev->ops->join_mesh(&rdev->wiphy, dev, conf, &setup);
+ if (!err) {
+ memcpy(wdev->ssid, mesh_id, mesh_id_len);
+ wdev->mesh_id_len = mesh_id_len;
+ }
+
+ return err;
+}
+
+int cfg80211_join_mesh(struct cfg80211_registered_device *rdev,
+ struct net_device *dev,
+ const u8 *mesh_id, u8 mesh_id_len,
+ const struct mesh_config *conf)
+{
+ struct wireless_dev *wdev = dev->ieee80211_ptr;
+ int err;
+
+ wdev_lock(wdev);
+ err = __cfg80211_join_mesh(rdev, dev, mesh_id, mesh_id_len, conf);
+ wdev_unlock(wdev);
+
+ return err;
+}
+
+static int __cfg80211_leave_mesh(struct cfg80211_registered_device *rdev,
+ struct net_device *dev)
+{
+ struct wireless_dev *wdev = dev->ieee80211_ptr;
+ int err;
+
+ ASSERT_WDEV_LOCK(wdev);
+
+ if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
+ return -EOPNOTSUPP;
+
+ if (!rdev->ops->leave_mesh)
+ return -EOPNOTSUPP;
+
+ if (!wdev->mesh_id_len)
+ return -ENOTCONN;
+
+ err = rdev->ops->leave_mesh(&rdev->wiphy, dev);
+ if (!err)
+ wdev->mesh_id_len = 0;
+ return err;
+}
+
+int cfg80211_leave_mesh(struct cfg80211_registered_device *rdev,
+ struct net_device *dev)
+{
+ struct wireless_dev *wdev = dev->ieee80211_ptr;
+ int err;
+
+ wdev_lock(wdev);
+ err = __cfg80211_leave_mesh(rdev, dev);
+ wdev_unlock(wdev);
+
+ return err;
+}
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index 960be4e..c3f80e5 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -121,6 +121,7 @@ static const struct nla_policy nl80211_policy[NL80211_ATTR_MAX+1] = {
[NL80211_ATTR_BSS_SHORT_SLOT_TIME] = { .type = NLA_U8 },
[NL80211_ATTR_BSS_BASIC_RATES] = { .type = NLA_BINARY,
.len = NL80211_MAX_SUPP_RATES },
+ [NL80211_ATTR_BSS_HT_OPMODE] = { .type = NLA_U16 },
[NL80211_ATTR_MESH_PARAMS] = { .type = NLA_NESTED },
@@ -661,13 +662,14 @@ static int nl80211_send_wiphy(struct sk_buff *msg, u32 pid, u32 seq, int flags,
CMD(add_beacon, NEW_BEACON);
CMD(add_station, NEW_STATION);
CMD(add_mpath, NEW_MPATH);
- CMD(set_mesh_params, SET_MESH_PARAMS);
+ CMD(update_mesh_params, SET_MESH_PARAMS);
CMD(change_bss, SET_BSS);
CMD(auth, AUTHENTICATE);
CMD(assoc, ASSOCIATE);
CMD(deauth, DEAUTHENTICATE);
CMD(disassoc, DISASSOCIATE);
CMD(join_ibss, JOIN_IBSS);
+ CMD(join_mesh, JOIN_MESH);
CMD(set_pmksa, SET_PMKSA);
CMD(del_pmksa, DEL_PMKSA);
CMD(flush_pmksa, FLUSH_PMKSA);
@@ -1324,11 +1326,21 @@ static int nl80211_set_interface(struct sk_buff *skb, struct genl_info *info)
}
if (info->attrs[NL80211_ATTR_MESH_ID]) {
+ struct wireless_dev *wdev = dev->ieee80211_ptr;
+
if (ntype != NL80211_IFTYPE_MESH_POINT)
return -EINVAL;
- params.mesh_id = nla_data(info->attrs[NL80211_ATTR_MESH_ID]);
- params.mesh_id_len = nla_len(info->attrs[NL80211_ATTR_MESH_ID]);
- change = true;
+ if (netif_running(dev))
+ return -EBUSY;
+
+ wdev_lock(wdev);
+ BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN !=
+ IEEE80211_MAX_MESH_ID_LEN);
+ wdev->mesh_id_up_len =
+ nla_len(info->attrs[NL80211_ATTR_MESH_ID]);
+ memcpy(wdev->ssid, nla_data(info->attrs[NL80211_ATTR_MESH_ID]),
+ wdev->mesh_id_up_len);
+ wdev_unlock(wdev);
}
if (info->attrs[NL80211_ATTR_4ADDR]) {
@@ -1368,6 +1380,7 @@ static int nl80211_new_interface(struct sk_buff *skb, struct genl_info *info)
{
struct cfg80211_registered_device *rdev = info->user_ptr[0];
struct vif_params params;
+ struct net_device *dev;
int err;
enum nl80211_iftype type = NL80211_IFTYPE_UNSPECIFIED;
u32 flags;
@@ -1387,12 +1400,6 @@ static int nl80211_new_interface(struct sk_buff *skb, struct genl_info *info)
!(rdev->wiphy.interface_modes & (1 << type)))
return -EOPNOTSUPP;
- if (type == NL80211_IFTYPE_MESH_POINT &&
- info->attrs[NL80211_ATTR_MESH_ID]) {
- params.mesh_id = nla_data(info->attrs[NL80211_ATTR_MESH_ID]);
- params.mesh_id_len = nla_len(info->attrs[NL80211_ATTR_MESH_ID]);
- }
-
if (info->attrs[NL80211_ATTR_4ADDR]) {
params.use_4addr = !!nla_get_u8(info->attrs[NL80211_ATTR_4ADDR]);
err = nl80211_valid_4addr(rdev, NULL, params.use_4addr, type);
@@ -1403,11 +1410,27 @@ static int nl80211_new_interface(struct sk_buff *skb, struct genl_info *info)
err = parse_monitor_flags(type == NL80211_IFTYPE_MONITOR ?
info->attrs[NL80211_ATTR_MNTR_FLAGS] : NULL,
&flags);
- err = rdev->ops->add_virtual_intf(&rdev->wiphy,
+ dev = rdev->ops->add_virtual_intf(&rdev->wiphy,
nla_data(info->attrs[NL80211_ATTR_IFNAME]),
type, err ? NULL : &flags, &params);
+ if (IS_ERR(dev))
+ return PTR_ERR(dev);
- return err;
+ if (type == NL80211_IFTYPE_MESH_POINT &&
+ info->attrs[NL80211_ATTR_MESH_ID]) {
+ struct wireless_dev *wdev = dev->ieee80211_ptr;
+
+ wdev_lock(wdev);
+ BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN !=
+ IEEE80211_MAX_MESH_ID_LEN);
+ wdev->mesh_id_up_len =
+ nla_len(info->attrs[NL80211_ATTR_MESH_ID]);
+ memcpy(wdev->ssid, nla_data(info->attrs[NL80211_ATTR_MESH_ID]),
+ wdev->mesh_id_up_len);
+ wdev_unlock(wdev);
+ }
+
+ return 0;
}
static int nl80211_del_interface(struct sk_buff *skb, struct genl_info *info)
@@ -1874,6 +1897,9 @@ static int nl80211_send_station(struct sk_buff *msg, u32 pid, u32 seq,
if (sinfo->filled & STATION_INFO_SIGNAL)
NLA_PUT_U8(msg, NL80211_STA_INFO_SIGNAL,
sinfo->signal);
+ if (sinfo->filled & STATION_INFO_SIGNAL_AVG)
+ NLA_PUT_U8(msg, NL80211_STA_INFO_SIGNAL_AVG,
+ sinfo->signal_avg);
if (sinfo->filled & STATION_INFO_TX_BITRATE) {
txrate = nla_nest_start(msg, NL80211_STA_INFO_TX_BITRATE);
if (!txrate)
@@ -2437,6 +2463,7 @@ static int nl80211_set_bss(struct sk_buff *skb, struct genl_info *info)
params.use_short_preamble = -1;
params.use_short_slot_time = -1;
params.ap_isolate = -1;
+ params.ht_opmode = -1;
if (info->attrs[NL80211_ATTR_BSS_CTS_PROT])
params.use_cts_prot =
@@ -2455,6 +2482,9 @@ static int nl80211_set_bss(struct sk_buff *skb, struct genl_info *info)
}
if (info->attrs[NL80211_ATTR_AP_ISOLATE])
params.ap_isolate = !!nla_get_u8(info->attrs[NL80211_ATTR_AP_ISOLATE]);
+ if (info->attrs[NL80211_ATTR_BSS_HT_OPMODE])
+ params.ht_opmode =
+ nla_get_u16(info->attrs[NL80211_ATTR_BSS_HT_OPMODE]);
if (!rdev->ops->change_bss)
return -EOPNOTSUPP;
@@ -2540,21 +2570,32 @@ static int nl80211_req_set_reg(struct sk_buff *skb, struct genl_info *info)
}
static int nl80211_get_mesh_params(struct sk_buff *skb,
- struct genl_info *info)
+ struct genl_info *info)
{
struct cfg80211_registered_device *rdev = info->user_ptr[0];
- struct mesh_config cur_params;
- int err;
struct net_device *dev = info->user_ptr[1];
+ struct wireless_dev *wdev = dev->ieee80211_ptr;
+ struct mesh_config cur_params;
+ int err = 0;
void *hdr;
struct nlattr *pinfoattr;
struct sk_buff *msg;
+ if (wdev->iftype != NL80211_IFTYPE_MESH_POINT)
+ return -EOPNOTSUPP;
+
if (!rdev->ops->get_mesh_params)
return -EOPNOTSUPP;
- /* Get the mesh params */
- err = rdev->ops->get_mesh_params(&rdev->wiphy, dev, &cur_params);
+ wdev_lock(wdev);
+ /* If not connected, get default parameters */
+ if (!wdev->mesh_id_len)
+ memcpy(&cur_params, &default_mesh_config, sizeof(cur_params));
+ else
+ err = rdev->ops->get_mesh_params(&rdev->wiphy, dev,
+ &cur_params);
+ wdev_unlock(wdev);
+
if (err)
return err;
@@ -2582,6 +2623,8 @@ static int nl80211_get_mesh_params(struct sk_buff *skb,
cur_params.dot11MeshMaxRetries);
NLA_PUT_U8(msg, NL80211_MESHCONF_TTL,
cur_params.dot11MeshTTL);
+ NLA_PUT_U8(msg, NL80211_MESHCONF_ELEMENT_TTL,
+ cur_params.element_ttl);
NLA_PUT_U8(msg, NL80211_MESHCONF_AUTO_OPEN_PLINKS,
cur_params.auto_open_plinks);
NLA_PUT_U8(msg, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES,
@@ -2608,14 +2651,6 @@ static int nl80211_get_mesh_params(struct sk_buff *skb,
return -ENOBUFS;
}
-#define FILL_IN_MESH_PARAM_IF_SET(table, cfg, param, mask, attr_num, nla_fn) \
-do {\
- if (table[attr_num]) {\
- cfg.param = nla_fn(table[attr_num]); \
- mask |= (1 << (attr_num - 1)); \
- } \
-} while (0);\
-
static const struct nla_policy nl80211_meshconf_params_policy[NL80211_MESHCONF_ATTR_MAX+1] = {
[NL80211_MESHCONF_RETRY_TIMEOUT] = { .type = NLA_U16 },
[NL80211_MESHCONF_CONFIRM_TIMEOUT] = { .type = NLA_U16 },
@@ -2623,6 +2658,7 @@ static const struct nla_policy nl80211_meshconf_params_policy[NL80211_MESHCONF_A
[NL80211_MESHCONF_MAX_PEER_LINKS] = { .type = NLA_U16 },
[NL80211_MESHCONF_MAX_RETRIES] = { .type = NLA_U8 },
[NL80211_MESHCONF_TTL] = { .type = NLA_U8 },
+ [NL80211_MESHCONF_ELEMENT_TTL] = { .type = NLA_U8 },
[NL80211_MESHCONF_AUTO_OPEN_PLINKS] = { .type = NLA_U8 },
[NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES] = { .type = NLA_U8 },
@@ -2633,31 +2669,34 @@ static const struct nla_policy nl80211_meshconf_params_policy[NL80211_MESHCONF_A
[NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME] = { .type = NLA_U16 },
};
-static int nl80211_set_mesh_params(struct sk_buff *skb, struct genl_info *info)
+static int nl80211_parse_mesh_params(struct genl_info *info,
+ struct mesh_config *cfg,
+ u32 *mask_out)
{
- u32 mask;
- struct cfg80211_registered_device *rdev = info->user_ptr[0];
- struct net_device *dev = info->user_ptr[1];
- struct mesh_config cfg;
struct nlattr *tb[NL80211_MESHCONF_ATTR_MAX + 1];
- struct nlattr *parent_attr;
+ u32 mask = 0;
+
+#define FILL_IN_MESH_PARAM_IF_SET(table, cfg, param, mask, attr_num, nla_fn) \
+do {\
+ if (table[attr_num]) {\
+ cfg->param = nla_fn(table[attr_num]); \
+ mask |= (1 << (attr_num - 1)); \
+ } \
+} while (0);\
+
- parent_attr = info->attrs[NL80211_ATTR_MESH_PARAMS];
- if (!parent_attr)
+ if (!info->attrs[NL80211_ATTR_MESH_PARAMS])
return -EINVAL;
if (nla_parse_nested(tb, NL80211_MESHCONF_ATTR_MAX,
- parent_attr, nl80211_meshconf_params_policy))
+ info->attrs[NL80211_ATTR_MESH_PARAMS],
+ nl80211_meshconf_params_policy))
return -EINVAL;
- if (!rdev->ops->set_mesh_params)
- return -EOPNOTSUPP;
-
/* This makes sure that there aren't more than 32 mesh config
* parameters (otherwise our bitfield scheme would not work.) */
BUILD_BUG_ON(NL80211_MESHCONF_ATTR_MAX > 32);
/* Fill in the params struct */
- mask = 0;
FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshRetryTimeout,
mask, NL80211_MESHCONF_RETRY_TIMEOUT, nla_get_u16);
FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshConfirmTimeout,
@@ -2670,6 +2709,8 @@ static int nl80211_set_mesh_params(struct sk_buff *skb, struct genl_info *info)
mask, NL80211_MESHCONF_MAX_RETRIES, nla_get_u8);
FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshTTL,
mask, NL80211_MESHCONF_TTL, nla_get_u8);
+ FILL_IN_MESH_PARAM_IF_SET(tb, cfg, element_ttl,
+ mask, NL80211_MESHCONF_ELEMENT_TTL, nla_get_u8);
FILL_IN_MESH_PARAM_IF_SET(tb, cfg, auto_open_plinks,
mask, NL80211_MESHCONF_AUTO_OPEN_PLINKS, nla_get_u8);
FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPmaxPREQretries,
@@ -2695,11 +2736,45 @@ static int nl80211_set_mesh_params(struct sk_buff *skb, struct genl_info *info)
NL80211_MESHCONF_HWMP_ROOTMODE,
nla_get_u8);
- /* Apply changes */
- return rdev->ops->set_mesh_params(&rdev->wiphy, dev, &cfg, mask);
-}
+ if (mask_out)
+ *mask_out = mask;
+ return 0;
#undef FILL_IN_MESH_PARAM_IF_SET
+}
+
+static int nl80211_update_mesh_params(struct sk_buff *skb,
+ struct genl_info *info)
+{
+ struct cfg80211_registered_device *rdev = info->user_ptr[0];
+ struct net_device *dev = info->user_ptr[1];
+ struct wireless_dev *wdev = dev->ieee80211_ptr;
+ struct mesh_config cfg;
+ u32 mask;
+ int err;
+
+ if (wdev->iftype != NL80211_IFTYPE_MESH_POINT)
+ return -EOPNOTSUPP;
+
+ if (!rdev->ops->update_mesh_params)
+ return -EOPNOTSUPP;
+
+ err = nl80211_parse_mesh_params(info, &cfg, &mask);
+ if (err)
+ return err;
+
+ wdev_lock(wdev);
+ if (!wdev->mesh_id_len)
+ err = -ENOLINK;
+
+ if (!err)
+ err = rdev->ops->update_mesh_params(&rdev->wiphy, dev,
+ mask, &cfg);
+
+ wdev_unlock(wdev);
+
+ return err;
+}
static int nl80211_get_reg(struct sk_buff *skb, struct genl_info *info)
{
@@ -4482,6 +4557,41 @@ out:
return err;
}
+static int nl80211_join_mesh(struct sk_buff *skb, struct genl_info *info)
+{
+ struct cfg80211_registered_device *rdev = info->user_ptr[0];
+ struct net_device *dev = info->user_ptr[1];
+ struct mesh_config cfg;
+ int err;
+
+ /* start with default */
+ memcpy(&cfg, &default_mesh_config, sizeof(cfg));
+
+ if (info->attrs[NL80211_ATTR_MESH_PARAMS]) {
+ /* and parse parameters if given */
+ err = nl80211_parse_mesh_params(info, &cfg, NULL);
+ if (err)
+ return err;
+ }
+
+ if (!info->attrs[NL80211_ATTR_MESH_ID] ||
+ !nla_len(info->attrs[NL80211_ATTR_MESH_ID]))
+ return -EINVAL;
+
+ return cfg80211_join_mesh(rdev, dev,
+ nla_data(info->attrs[NL80211_ATTR_MESH_ID]),
+ nla_len(info->attrs[NL80211_ATTR_MESH_ID]),
+ &cfg);
+}
+
+static int nl80211_leave_mesh(struct sk_buff *skb, struct genl_info *info)
+{
+ struct cfg80211_registered_device *rdev = info->user_ptr[0];
+ struct net_device *dev = info->user_ptr[1];
+
+ return cfg80211_leave_mesh(rdev, dev);
+}
+
#define NL80211_FLAG_NEED_WIPHY 0x01
#define NL80211_FLAG_NEED_NETDEV 0x02
#define NL80211_FLAG_NEED_RTNL 0x04
@@ -4746,10 +4856,10 @@ static struct genl_ops nl80211_ops[] = {
},
{
.cmd = NL80211_CMD_SET_MESH_PARAMS,
- .doit = nl80211_set_mesh_params,
+ .doit = nl80211_update_mesh_params,
.policy = nl80211_policy,
.flags = GENL_ADMIN_PERM,
- .internal_flags = NL80211_FLAG_NEED_NETDEV |
+ .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
NL80211_FLAG_NEED_RTNL,
},
{
@@ -4964,6 +5074,22 @@ static struct genl_ops nl80211_ops[] = {
.internal_flags = NL80211_FLAG_NEED_NETDEV |
NL80211_FLAG_NEED_RTNL,
},
+ {
+ .cmd = NL80211_CMD_JOIN_MESH,
+ .doit = nl80211_join_mesh,
+ .policy = nl80211_policy,
+ .flags = GENL_ADMIN_PERM,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
+ NL80211_FLAG_NEED_RTNL,
+ },
+ {
+ .cmd = NL80211_CMD_LEAVE_MESH,
+ .doit = nl80211_leave_mesh,
+ .policy = nl80211_policy,
+ .flags = GENL_ADMIN_PERM,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
+ NL80211_FLAG_NEED_RTNL,
+ },
};
static struct genl_multicast_group nl80211_mlme_mcgrp = {
diff --git a/net/wireless/util.c b/net/wireless/util.c
index fee020b..4de624c 100644
--- a/net/wireless/util.c
+++ b/net/wireless/util.c
@@ -792,6 +792,7 @@ int cfg80211_change_iface(struct cfg80211_registered_device *rdev,
if (ntype != otype) {
dev->ieee80211_ptr->use_4addr = false;
+ dev->ieee80211_ptr->mesh_id_up_len = 0;
switch (otype) {
case NL80211_IFTYPE_ADHOC:
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