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authorJohannes Berg <johannes.berg@intel.com>2011-11-06 14:13:34 +0100
committerJohn W. Linville <linville@tuxdriver.com>2011-11-09 16:14:09 -0500
commita729cff8ad5120d0d5172ec28a3843d1cb458f79 (patch)
tree96e85c0805050ba03a2df2a4278640da8f0454c5 /net/mac80211/main.c
parent1f074bd8eb7a4a210a5119cd7220f89da6c7a2c3 (diff)
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mac80211: implement wifi TX status
Implement the socket wifi TX status error queue reflection in mac80211. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'net/mac80211/main.c')
-rw-r--r--net/mac80211/main.c18
1 files changed, 18 insertions, 0 deletions
diff --git a/net/mac80211/main.c b/net/mac80211/main.c
index 8e9327bca910..e323d4e6647b 100644
--- a/net/mac80211/main.c
+++ b/net/mac80211/main.c
@@ -596,6 +596,8 @@ struct ieee80211_hw *ieee80211_alloc_hw(size_t priv_data_len,
WIPHY_FLAG_4ADDR_STATION |
WIPHY_FLAG_REPORTS_OBSS;
+ wiphy->features = NL80211_FEATURE_SK_TX_STATUS;
+
if (!ops->set_key)
wiphy->flags |= WIPHY_FLAG_IBSS_RSN;
@@ -669,6 +671,11 @@ struct ieee80211_hw *ieee80211_alloc_hw(size_t priv_data_len,
INIT_WORK(&local->sched_scan_stopped_work,
ieee80211_sched_scan_stopped_work);
+ spin_lock_init(&local->ack_status_lock);
+ idr_init(&local->ack_status_frames);
+ /* preallocate at least one entry */
+ idr_pre_get(&local->ack_status_frames, GFP_KERNEL);
+
sta_info_init(local);
for (i = 0; i < IEEE80211_MAX_QUEUES; i++) {
@@ -1044,6 +1051,13 @@ void ieee80211_unregister_hw(struct ieee80211_hw *hw)
}
EXPORT_SYMBOL(ieee80211_unregister_hw);
+static int ieee80211_free_ack_frame(int id, void *p, void *data)
+{
+ WARN_ONCE(1, "Have pending ack frames!\n");
+ kfree_skb(p);
+ return 0;
+}
+
void ieee80211_free_hw(struct ieee80211_hw *hw)
{
struct ieee80211_local *local = hw_to_local(hw);
@@ -1054,6 +1068,10 @@ void ieee80211_free_hw(struct ieee80211_hw *hw)
if (local->wiphy_ciphers_allocated)
kfree(local->hw.wiphy->cipher_suites);
+ idr_for_each(&local->ack_status_frames,
+ ieee80211_free_ack_frame, NULL);
+ idr_destroy(&local->ack_status_frames);
+
wiphy_free(local->hw.wiphy);
}
EXPORT_SYMBOL(ieee80211_free_hw);