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mac80211: implement wifi TX status

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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>
This commit is contained in:
Johannes Berg
2011-11-06 14:13:34 +01:00
committed by John W. Linville
parent 1f074bd8eb
commit a729cff8ad
5 changed files with 115 additions and 6 deletions
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18
net/mac80211/main.c
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@@ -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);