From: Toke Høiland-Jørgensen <[email protected]> In ieee80211_tx_status() we don't have an sdata struct when looking up the destination sta. Instead, we just do a lookup by the vif addr that is the source of the packet being completed. Factor this out into a new sta_info getter helper, since we need to use it for accounting AQL as well.
Signed-off-by: Toke Høiland-Jørgensen <[email protected]> --- net/mac80211/sta_info.c | 20 ++++++++++++++++++++ net/mac80211/sta_info.h | 3 +++ net/mac80211/status.c | 10 ++-------- 3 files changed, 25 insertions(+), 8 deletions(-) diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c index bd11fef2139f..465d83b13582 100644 --- a/net/mac80211/sta_info.c +++ b/net/mac80211/sta_info.c @@ -210,6 +210,26 @@ struct sta_info *sta_info_get_bss(struct ieee80211_sub_if_data *sdata, return NULL; } +struct sta_info *sta_info_get_by_addrs(struct ieee80211_local *local, + const u8 *sta_addr, const u8 *vif_addr) +{ + struct rhlist_head *tmp; + struct sta_info *sta; + + rcu_read_lock(); + for_each_sta_info(local, sta_addr, sta, tmp) { + if (ether_addr_equal(vif_addr, sta->sdata->vif.addr)) { + rcu_read_unlock(); + /* this is safe as the caller must already hold + * another rcu read section or the mutex + */ + return sta; + } + } + rcu_read_unlock(); + return NULL; +} + struct sta_info *sta_info_get_by_idx(struct ieee80211_sub_if_data *sdata, int idx) { diff --git a/net/mac80211/sta_info.h b/net/mac80211/sta_info.h index 369c2dddce52..80e76569144e 100644 --- a/net/mac80211/sta_info.h +++ b/net/mac80211/sta_info.h @@ -725,6 +725,9 @@ struct sta_info *sta_info_get(struct ieee80211_sub_if_data *sdata, struct sta_info *sta_info_get_bss(struct ieee80211_sub_if_data *sdata, const u8 *addr); +struct sta_info *sta_info_get_by_addrs(struct ieee80211_local *local, + const u8 *sta_addr, const u8 *vif_addr); + #define for_each_sta_info(local, _addr, _sta, _tmp) \ rhl_for_each_entry_rcu(_sta, _tmp, \ sta_info_hash_lookup(local, _addr), hash_node) diff --git a/net/mac80211/status.c b/net/mac80211/status.c index ab8ba5835ca0..0e51def35b8a 100644 --- a/net/mac80211/status.c +++ b/net/mac80211/status.c @@ -1073,19 +1073,13 @@ void ieee80211_tx_status(struct ieee80211_hw *hw, struct sk_buff *skb) .skb = skb, .info = IEEE80211_SKB_CB(skb), }; - struct rhlist_head *tmp; struct sta_info *sta; rcu_read_lock(); - for_each_sta_info(local, hdr->addr1, sta, tmp) { - /* skip wrong virtual interface */ - if (!ether_addr_equal(hdr->addr2, sta->sdata->vif.addr)) - continue; - + sta = sta_info_get_by_addrs(local, hdr->addr1, hdr->addr2); + if (sta) status.sta = &sta->sta; - break; - } __ieee80211_tx_status(hw, &status); rcu_read_unlock(); _______________________________________________ ath10k mailing list [email protected] http://lists.infradead.org/mailman/listinfo/ath10k
