diff options
| author | Sujith <Sujith.Manoharan@atheros.com> | 2009-01-06 09:28:37 +0530 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2009-01-29 15:59:50 -0500 |
| commit | c481ec9705d4a5d566393bc17374cfd82c870715 (patch) | |
| tree | 383b90aa8cf172ee81a7e91c49440cf75c8c0278 /net/mac80211/rx.c | |
| parent | b522ed56ef90f5078a2a1253e390299723510a89 (diff) | |
| download | lwn-c481ec9705d4a5d566393bc17374cfd82c870715.tar.gz lwn-c481ec9705d4a5d566393bc17374cfd82c870715.zip | |
mac80211: Add 802.11h CSA support
Move to the advertised channel on reception of
a CSA element. This is needed for 802.11h compliance.
Signed-off-by: Sujith <Sujith.Manoharan@atheros.com>
Acked-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'net/mac80211/rx.c')
| -rw-r--r-- | net/mac80211/rx.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c index 7175ae80c36a..ddb966f58882 100644 --- a/net/mac80211/rx.c +++ b/net/mac80211/rx.c @@ -1552,7 +1552,9 @@ ieee80211_rx_h_action(struct ieee80211_rx_data *rx) { struct ieee80211_local *local = rx->local; struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(rx->dev); + struct ieee80211_if_sta *ifsta = &sdata->u.sta; struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *) rx->skb->data; + struct ieee80211_bss *bss; int len = rx->skb->len; if (!ieee80211_is_action(mgmt->frame_control)) @@ -1601,6 +1603,24 @@ ieee80211_rx_h_action(struct ieee80211_rx_data *rx) return RX_DROP_MONITOR; ieee80211_process_measurement_req(sdata, mgmt, len); break; + case WLAN_ACTION_SPCT_CHL_SWITCH: + if (len < (IEEE80211_MIN_ACTION_SIZE + + sizeof(mgmt->u.action.u.chan_switch))) + return RX_DROP_MONITOR; + + if (memcmp(mgmt->bssid, ifsta->bssid, ETH_ALEN) != 0) + return RX_DROP_MONITOR; + + bss = ieee80211_rx_bss_get(local, ifsta->bssid, + local->hw.conf.channel->center_freq, + ifsta->ssid, ifsta->ssid_len); + if (!bss) + return RX_DROP_MONITOR; + + ieee80211_process_chanswitch(sdata, + &mgmt->u.action.u.chan_switch.sw_elem, bss); + ieee80211_rx_bss_put(local, bss); + break; } break; default: |