diff options
author | Ron Rindjunsky <ron.rindjunsky@intel.com> | 2008-07-01 14:16:03 +0300 |
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committer | John W. Linville <linville@tuxdriver.com> | 2008-07-08 10:21:34 -0400 |
commit | 429a380571a6e6b8525b93161544eafc9b227e44 (patch) | |
tree | a90ad1cba6ea557ace90a74ea02af9d5bcad36c1 /net/mac80211/main.c | |
parent | b2898a27809f54a33050a70d0eaa4a78194163a0 (diff) | |
download | lwn-429a380571a6e6b8525b93161544eafc9b227e44.tar.gz lwn-429a380571a6e6b8525b93161544eafc9b227e44.zip |
mac80211: add block ack request capability
This patch adds block ack request capability
Signed-off-by: Ester Kummer <ester.kummer@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Ron Rindjunsky <ron.rindjunsky@intel.com>
Acked-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'net/mac80211/main.c')
-rw-r--r-- | net/mac80211/main.c | 21 |
1 files changed, 19 insertions, 2 deletions
diff --git a/net/mac80211/main.c b/net/mac80211/main.c index f18cfd727872..074f71a62a6d 100644 --- a/net/mac80211/main.c +++ b/net/mac80211/main.c @@ -1404,14 +1404,15 @@ void ieee80211_tx_status(struct ieee80211_hw *hw, struct sk_buff *skb) struct ieee80211_local *local = hw_to_local(hw); struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); u16 frag, type; + __le16 fc; struct ieee80211_tx_status_rtap_hdr *rthdr; struct ieee80211_sub_if_data *sdata; struct net_device *prev_dev = NULL; + struct sta_info *sta; rcu_read_lock(); if (info->status.excessive_retries) { - struct sta_info *sta; sta = sta_info_get(local, hdr->addr1); if (sta) { if (test_sta_flags(sta, WLAN_STA_PS)) { @@ -1426,8 +1427,24 @@ void ieee80211_tx_status(struct ieee80211_hw *hw, struct sk_buff *skb) } } + fc = hdr->frame_control; + + if ((info->flags & IEEE80211_TX_STAT_AMPDU_NO_BACK) && + (ieee80211_is_data_qos(fc))) { + u16 tid, ssn; + u8 *qc; + sta = sta_info_get(local, hdr->addr1); + if (sta) { + qc = ieee80211_get_qos_ctl(hdr); + tid = qc[0] & 0xf; + ssn = ((le16_to_cpu(hdr->seq_ctrl) + 0x10) + & IEEE80211_SCTL_SEQ); + ieee80211_send_bar(sta->sdata->dev, hdr->addr1, + tid, ssn); + } + } + if (info->flags & IEEE80211_TX_STAT_TX_FILTERED) { - struct sta_info *sta; sta = sta_info_get(local, hdr->addr1); if (sta) { ieee80211_handle_filtered_frame(local, sta, skb); |