diff options
author | sam <sam@FreeBSD.org> | 2005-07-06 15:38:27 +0000 |
---|---|---|
committer | sam <sam@FreeBSD.org> | 2005-07-06 15:38:27 +0000 |
commit | 61cabe0353ae9b0d47fc3d68e8019caae3ba11dc (patch) | |
tree | dcd8b59c98c47887d9c8ba7d66a7413d7da703f1 /sys/net80211 | |
parent | d0d10216310971a993ad53165ee8e5e4244c5a36 (diff) | |
download | FreeBSD-src-61cabe0353ae9b0d47fc3d68e8019caae3ba11dc.zip FreeBSD-src-61cabe0353ae9b0d47fc3d68e8019caae3ba11dc.tar.gz |
add "pureg" mode for ap operation: reject association requests from
11b-only stations when operating in 11g
Reviewed by: avatar
Approved by: re (scottl)
Diffstat (limited to 'sys/net80211')
-rw-r--r-- | sys/net80211/ieee80211_input.c | 9 | ||||
-rw-r--r-- | sys/net80211/ieee80211_ioctl.c | 12 | ||||
-rw-r--r-- | sys/net80211/ieee80211_ioctl.h | 1 | ||||
-rw-r--r-- | sys/net80211/ieee80211_var.h | 3 |
4 files changed, 23 insertions, 2 deletions
diff --git a/sys/net80211/ieee80211_input.c b/sys/net80211/ieee80211_input.c index 106615b..7eac99b 100644 --- a/sys/net80211/ieee80211_input.c +++ b/sys/net80211/ieee80211_input.c @@ -2305,7 +2305,14 @@ ieee80211_recv_mgmt(struct ieee80211com *ic, struct mbuf *m0, rate = ieee80211_setup_rates(ic, ni, rates, xrates, IEEE80211_F_DOSORT | IEEE80211_F_DOFRATE | IEEE80211_F_DONEGO | IEEE80211_F_DODEL); - if (rate & IEEE80211_RATE_BASIC) { + /* + * If constrained to 11g-only stations reject an + * 11b-only station. We cheat a bit here by looking + * at the max negotiated xmit rate and assuming anyone + * with a best rate <24Mb/s is an 11b station. + */ + if ((rate & IEEE80211_RATE_BASIC) || + ((ic->ic_flags & IEEE80211_F_PUREG) && rate < 48)) { IEEE80211_DPRINTF(ic, IEEE80211_MSG_ANY, "[%s] deny %s request, rate set mismatch\n", ether_sprintf(wh->i_addr2), diff --git a/sys/net80211/ieee80211_ioctl.c b/sys/net80211/ieee80211_ioctl.c index 490b567..83ac126 100644 --- a/sys/net80211/ieee80211_ioctl.c +++ b/sys/net80211/ieee80211_ioctl.c @@ -1451,6 +1451,9 @@ ieee80211_ioctl_get80211(struct ieee80211com *ic, u_long cmd, struct ieee80211re /* NB: get from ic_bss for station mode */ ireq->i_val = ic->ic_bss->ni_intval; break; + case IEEE80211_IOC_PUREG: + ireq->i_val = (ic->ic_flags & IEEE80211_F_PUREG) != 0; + break; default: error = EINVAL; break; @@ -2316,6 +2319,15 @@ ieee80211_ioctl_set80211(struct ieee80211com *ic, u_long cmd, struct ieee80211re } else error = EINVAL; break; + case IEEE80211_IOC_PUREG: + if (ireq->i_val) + ic->ic_flags |= IEEE80211_F_PUREG; + else + ic->ic_flags &= ~IEEE80211_F_PUREG; + /* NB: reset only if we're operating on an 11g channel */ + if (ic->ic_curmode == IEEE80211_MODE_11G) + error = ENETRESET; + break; default: error = EINVAL; break; diff --git a/sys/net80211/ieee80211_ioctl.h b/sys/net80211/ieee80211_ioctl.h index b561b15..658bd56 100644 --- a/sys/net80211/ieee80211_ioctl.h +++ b/sys/net80211/ieee80211_ioctl.h @@ -426,6 +426,7 @@ struct ieee80211req { #define IEEE80211_IOC_BEACON_INTERVAL 53 /* beacon interval (ms) */ #define IEEE80211_IOC_ADDMAC 54 /* add sta to MAC ACL table */ #define IEEE80211_IOC_DELMAC 55 /* del sta from MAC ACL table */ +#define IEEE80211_IOC_PUREG 56 /* pure 11g (no 11b stations) */ /* * Scan result data returned for IEEE80211_IOC_SCAN_RESULTS. diff --git a/sys/net80211/ieee80211_var.h b/sys/net80211/ieee80211_var.h index f4cfb3e..b20b2b7 100644 --- a/sys/net80211/ieee80211_var.h +++ b/sys/net80211/ieee80211_var.h @@ -196,9 +196,10 @@ struct ieee80211com { #define IEEE80211_ADDR_COPY(dst,src) memcpy(dst,src,IEEE80211_ADDR_LEN) /* ic_flags */ -/* NB: bits 0x6f available */ +/* NB: bits 0x4f available */ /* NB: this is intentionally setup to be IEEE80211_CAPINFO_PRIVACY */ #define IEEE80211_F_PRIVACY 0x00000010 /* CONF: privacy enabled */ +#define IEEE80211_F_PUREG 0x00000020 /* CONF: 11g w/o 11b sta's */ #define IEEE80211_F_SCAN 0x00000080 /* STATUS: scanning */ #define IEEE80211_F_ASCAN 0x00000100 /* STATUS: active scan */ #define IEEE80211_F_SIBSS 0x00000200 /* STATUS: start IBSS */ |