diff options
Diffstat (limited to 'net/mac80211/util.c')
| -rw-r--r-- | net/mac80211/util.c | 54 |
1 files changed, 52 insertions, 2 deletions
diff --git a/net/mac80211/util.c b/net/mac80211/util.c index 447e6651e7fa..3f87fa468b1f 100644 --- a/net/mac80211/util.c +++ b/net/mac80211/util.c @@ -485,7 +485,8 @@ int ieee80211_queue_stopped(struct ieee80211_hw *hw, int queue) return true; spin_lock_irqsave(&local->queue_stop_reason_lock, flags); - ret = !!local->queue_stop_reasons[queue]; + ret = test_bit(IEEE80211_QUEUE_STOP_REASON_DRIVER, + &local->queue_stop_reasons[queue]); spin_unlock_irqrestore(&local->queue_stop_reason_lock, flags); return ret; } @@ -660,7 +661,7 @@ void ieee80211_queue_delayed_work(struct ieee80211_hw *hw, } EXPORT_SYMBOL(ieee80211_queue_delayed_work); -u32 ieee802_11_parse_elems_crc(u8 *start, size_t len, +u32 ieee802_11_parse_elems_crc(u8 *start, size_t len, bool action, struct ieee802_11_elems *elems, u64 filter, u32 crc) { @@ -668,6 +669,7 @@ u32 ieee802_11_parse_elems_crc(u8 *start, size_t len, u8 *pos = start; bool calc_crc = filter != 0; DECLARE_BITMAP(seen_elems, 256); + const u8 *ie; bitmap_zero(seen_elems, 256); memset(elems, 0, sizeof(*elems)); @@ -715,6 +717,12 @@ u32 ieee802_11_parse_elems_crc(u8 *start, size_t len, case WLAN_EID_COUNTRY: case WLAN_EID_PWR_CONSTRAINT: case WLAN_EID_TIMEOUT_INTERVAL: + case WLAN_EID_SECONDARY_CHANNEL_OFFSET: + case WLAN_EID_WIDE_BW_CHANNEL_SWITCH: + /* + * not listing WLAN_EID_CHANNEL_SWITCH_WRAPPER -- it seems possible + * that if the content gets bigger it might be needed more than once + */ if (test_bit(id, seen_elems)) { elems->parse_error = true; left -= elen; @@ -862,6 +870,48 @@ u32 ieee802_11_parse_elems_crc(u8 *start, size_t len, } elems->ch_switch_ie = (void *)pos; break; + case WLAN_EID_EXT_CHANSWITCH_ANN: + if (elen != sizeof(struct ieee80211_ext_chansw_ie)) { + elem_parse_failed = true; + break; + } + elems->ext_chansw_ie = (void *)pos; + break; + case WLAN_EID_SECONDARY_CHANNEL_OFFSET: + if (elen != sizeof(struct ieee80211_sec_chan_offs_ie)) { + elem_parse_failed = true; + break; + } + elems->sec_chan_offs = (void *)pos; + break; + case WLAN_EID_WIDE_BW_CHANNEL_SWITCH: + if (!action || + elen != sizeof(*elems->wide_bw_chansw_ie)) { + elem_parse_failed = true; + break; + } + elems->wide_bw_chansw_ie = (void *)pos; + break; + case WLAN_EID_CHANNEL_SWITCH_WRAPPER: + if (action) { + elem_parse_failed = true; + break; + } + /* + * This is a bit tricky, but as we only care about + * the wide bandwidth channel switch element, so + * just parse it out manually. + */ + ie = cfg80211_find_ie(WLAN_EID_WIDE_BW_CHANNEL_SWITCH, + pos, elen); + if (ie) { + if (ie[1] == sizeof(*elems->wide_bw_chansw_ie)) + elems->wide_bw_chansw_ie = + (void *)(ie + 2); + else + elem_parse_failed = true; + } + break; case WLAN_EID_COUNTRY: elems->country_elem = pos; elems->country_elem_len = elen; |