diff options
author | Jouni Malinen <j@w1.fi> | 2009-01-08 13:31:59 +0200 |
---|---|---|
committer | John W. Linville <linville@tuxdriver.com> | 2009-01-29 16:00:00 -0500 |
commit | 5394af4d86ae51b369ff243c3f75b6f9a74e164b (patch) | |
tree | 752ff0a1b7feb28e4fce87957047433d5f39a6c2 | |
parent | 039498c6ec67bd718ac1c8e7f6b4e2cfe2146773 (diff) | |
download | op-kernel-dev-5394af4d86ae51b369ff243c3f75b6f9a74e164b.zip op-kernel-dev-5394af4d86ae51b369ff243c3f75b6f9a74e164b.tar.gz |
mac80211: 802.11w - STA flag for MFP
Add flags for setting STA entries and struct ieee80211_if_sta to
indicate whether management frame protection (MFP) is used.
Signed-off-by: Jouni Malinen <j@w1.fi>
Acked-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
-rw-r--r-- | include/linux/nl80211.h | 2 | ||||
-rw-r--r-- | include/net/cfg80211.h | 2 | ||||
-rw-r--r-- | net/mac80211/cfg.c | 4 | ||||
-rw-r--r-- | net/mac80211/debugfs_sta.c | 5 | ||||
-rw-r--r-- | net/mac80211/ieee80211_i.h | 1 | ||||
-rw-r--r-- | net/mac80211/mlme.c | 7 | ||||
-rw-r--r-- | net/mac80211/sta_info.h | 2 |
7 files changed, 19 insertions, 4 deletions
diff --git a/include/linux/nl80211.h b/include/linux/nl80211.h index e86ed59..218f0e7 100644 --- a/include/linux/nl80211.h +++ b/include/linux/nl80211.h @@ -412,12 +412,14 @@ enum nl80211_iftype { * @NL80211_STA_FLAG_SHORT_PREAMBLE: station is capable of receiving frames * with short barker preamble * @NL80211_STA_FLAG_WME: station is WME/QoS capable + * @NL80211_STA_FLAG_MFP: station uses management frame protection */ enum nl80211_sta_flags { __NL80211_STA_FLAG_INVALID, NL80211_STA_FLAG_AUTHORIZED, NL80211_STA_FLAG_SHORT_PREAMBLE, NL80211_STA_FLAG_WME, + NL80211_STA_FLAG_MFP, /* keep last */ __NL80211_STA_FLAG_AFTER_LAST, diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h index 23c0ab7..6619ed1 100644 --- a/include/net/cfg80211.h +++ b/include/net/cfg80211.h @@ -112,12 +112,14 @@ struct beacon_parameters { * @STATION_FLAG_SHORT_PREAMBLE: station is capable of receiving frames * with short preambles * @STATION_FLAG_WME: station is WME/QoS capable + * @STATION_FLAG_MFP: station uses management frame protection */ enum station_flags { STATION_FLAG_CHANGED = 1<<0, STATION_FLAG_AUTHORIZED = 1<<NL80211_STA_FLAG_AUTHORIZED, STATION_FLAG_SHORT_PREAMBLE = 1<<NL80211_STA_FLAG_SHORT_PREAMBLE, STATION_FLAG_WME = 1<<NL80211_STA_FLAG_WME, + STATION_FLAG_MFP = 1<<NL80211_STA_FLAG_MFP, }; /** diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c index 9d4e4d8..309d918 100644 --- a/net/mac80211/cfg.c +++ b/net/mac80211/cfg.c @@ -630,6 +630,10 @@ static void sta_apply_parameters(struct ieee80211_local *local, sta->flags &= ~WLAN_STA_WME; if (params->station_flags & STATION_FLAG_WME) sta->flags |= WLAN_STA_WME; + + sta->flags &= ~WLAN_STA_MFP; + if (params->station_flags & STATION_FLAG_MFP) + sta->flags |= WLAN_STA_MFP; spin_unlock_bh(&sta->lock); } diff --git a/net/mac80211/debugfs_sta.c b/net/mac80211/debugfs_sta.c index a2fbe01..90230c7 100644 --- a/net/mac80211/debugfs_sta.c +++ b/net/mac80211/debugfs_sta.c @@ -67,14 +67,15 @@ static ssize_t sta_flags_read(struct file *file, char __user *userbuf, char buf[100]; struct sta_info *sta = file->private_data; u32 staflags = get_sta_flags(sta); - int res = scnprintf(buf, sizeof(buf), "%s%s%s%s%s%s%s", + int res = scnprintf(buf, sizeof(buf), "%s%s%s%s%s%s%s%s", staflags & WLAN_STA_AUTH ? "AUTH\n" : "", staflags & WLAN_STA_ASSOC ? "ASSOC\n" : "", staflags & WLAN_STA_PS ? "PS\n" : "", staflags & WLAN_STA_AUTHORIZED ? "AUTHORIZED\n" : "", staflags & WLAN_STA_SHORT_PREAMBLE ? "SHORT PREAMBLE\n" : "", staflags & WLAN_STA_WME ? "WME\n" : "", - staflags & WLAN_STA_WDS ? "WDS\n" : ""); + staflags & WLAN_STA_WDS ? "WDS\n" : "", + staflags & WLAN_STA_MFP ? "MFP\n" : ""); return simple_read_from_buffer(userbuf, count, ppos, buf, res); } STA_OPS(flags); diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h index 3db6bc3..b5f86cb 100644 --- a/net/mac80211/ieee80211_i.h +++ b/net/mac80211/ieee80211_i.h @@ -260,6 +260,7 @@ struct mesh_preq_queue { #define IEEE80211_STA_PRIVACY_INVOKED BIT(13) #define IEEE80211_STA_TKIP_WEP_USED BIT(14) #define IEEE80211_STA_CSA_RECEIVED BIT(15) +#define IEEE80211_STA_MFP_ENABLED BIT(16) /* flags for MLME request */ #define IEEE80211_STA_REQ_SCAN 0 #define IEEE80211_STA_REQ_DIRECT_PROBE 1 diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c index a1e683e..bc8a7f1 100644 --- a/net/mac80211/mlme.c +++ b/net/mac80211/mlme.c @@ -1,6 +1,6 @@ /* * BSS client mode implementation - * Copyright 2003, Jouni Malinen <jkmaline@cc.hut.fi> + * Copyright 2003-2008, Jouni Malinen <j@w1.fi> * Copyright 2004, Instant802 Networks, Inc. * Copyright 2005, Devicescape Software, Inc. * Copyright 2006-2007 Jiri Benc <jbenc@suse.cz> @@ -472,7 +472,7 @@ static void ieee80211_send_deauth_disassoc(struct ieee80211_sub_if_data *sdata, /* u.deauth.reason_code == u.disassoc.reason_code */ mgmt->u.deauth.reason_code = cpu_to_le16(reason); - ieee80211_tx_skb(sdata, skb, 0); + ieee80211_tx_skb(sdata, skb, ifsta->flags & IEEE80211_STA_MFP_ENABLED); } /* MLME */ @@ -1408,6 +1408,9 @@ static void ieee80211_rx_mgmt_assoc_resp(struct ieee80211_sub_if_data *sdata, rate_control_rate_init(sta); + if (ifsta->flags & IEEE80211_STA_MFP_ENABLED) + set_sta_flags(sta, WLAN_STA_MFP); + if (elems.wmm_param) set_sta_flags(sta, WLAN_STA_WME); diff --git a/net/mac80211/sta_info.h b/net/mac80211/sta_info.h index b683d3f..d13a44b 100644 --- a/net/mac80211/sta_info.h +++ b/net/mac80211/sta_info.h @@ -34,6 +34,7 @@ * @WLAN_STA_CLEAR_PS_FILT: Clear PS filter in hardware (using the * IEEE80211_TX_CTL_CLEAR_PS_FILT control flag) when the next * frame to this station is transmitted. + * @WLAN_STA_MFP: Management frame protection is used with this STA. */ enum ieee80211_sta_info_flags { WLAN_STA_AUTH = 1<<0, @@ -46,6 +47,7 @@ enum ieee80211_sta_info_flags { WLAN_STA_WDS = 1<<7, WLAN_STA_PSPOLL = 1<<8, WLAN_STA_CLEAR_PS_FILT = 1<<9, + WLAN_STA_MFP = 1<<10, }; #define STA_TID_NUM 16 |