diff options
| author | Johannes Berg <johannes.berg@intel.com> | 2011-11-04 11:18:18 +0100 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2011-11-09 22:13:52 +0100 |
| commit | ee971924543fe82f279d3e97f6f6d02320b381b7 (patch) | |
| tree | 8388d05cedbdf969fe05de3c752c0bf24f67efb3 /net | |
| parent | cfg80211: allow registering to beacons (diff) | |
| download | linux-ee971924543fe82f279d3e97f6f6d02320b381b7.tar.xz linux-ee971924543fe82f279d3e97f6f6d02320b381b7.zip | |
mac80211: report OBSS beacons
If there's an interface in AP mode, OBSS beacons
are needed by hostapd/wpa_s to implement logic to
enable/disable protection etc. Report the frames
and set the capability flag.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'net')
| -rw-r--r-- | net/mac80211/ieee80211_i.h | 3 | ||||
| -rw-r--r-- | net/mac80211/main.c | 3 | ||||
| -rw-r--r-- | net/mac80211/rx.c | 12 |
3 files changed, 17 insertions, 1 deletions
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h index 386330c89baf..4bef6eca1722 100644 --- a/net/mac80211/ieee80211_i.h +++ b/net/mac80211/ieee80211_i.h @@ -184,12 +184,15 @@ enum ieee80211_packet_rx_flags { * enum ieee80211_rx_flags - RX data flags * * @IEEE80211_RX_CMNTR: received on cooked monitor already + * @IEEE80211_RX_BEACON_REPORTED: This frame was already reported + * to cfg80211_report_obss_beacon(). * * These flags are used across handling multiple interfaces * for a single frame. */ enum ieee80211_rx_flags { IEEE80211_RX_CMNTR = BIT(0), + IEEE80211_RX_BEACON_REPORTED = BIT(1), }; struct ieee80211_rx_data { diff --git a/net/mac80211/main.c b/net/mac80211/main.c index 7217019d1ed9..8e9327bca910 100644 --- a/net/mac80211/main.c +++ b/net/mac80211/main.c @@ -593,7 +593,8 @@ struct ieee80211_hw *ieee80211_alloc_hw(size_t priv_data_len, wiphy->flags |= WIPHY_FLAG_NETNS_OK | WIPHY_FLAG_4ADDR_AP | - WIPHY_FLAG_4ADDR_STATION; + WIPHY_FLAG_4ADDR_STATION | + WIPHY_FLAG_REPORTS_OBSS; if (!ops->set_key) wiphy->flags |= WIPHY_FLAG_IBSS_RSN; diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c index e832e0dcab3c..2ed882f8a9f8 100644 --- a/net/mac80211/rx.c +++ b/net/mac80211/rx.c @@ -2188,6 +2188,18 @@ ieee80211_rx_h_mgmt_check(struct ieee80211_rx_data *rx) if (!ieee80211_is_mgmt(mgmt->frame_control)) return RX_DROP_MONITOR; + if (rx->sdata->vif.type == NL80211_IFTYPE_AP && + ieee80211_is_beacon(mgmt->frame_control) && + !(rx->flags & IEEE80211_RX_BEACON_REPORTED)) { + struct ieee80211_rx_status *status; + + status = IEEE80211_SKB_RXCB(rx->skb); + cfg80211_report_obss_beacon(rx->local->hw.wiphy, + rx->skb->data, rx->skb->len, + status->freq, GFP_ATOMIC); + rx->flags |= IEEE80211_RX_BEACON_REPORTED; + } + if (!(status->rx_flags & IEEE80211_RX_RA_MATCH)) return RX_DROP_MONITOR; |