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authorToke Høiland-Jørgensen <toke@redhat.com>2019-11-12 14:08:35 +0100
committerJohannes Berg <johannes.berg@intel.com>2019-11-22 12:53:53 +0100
commit5072f73cb6ee0867d2d11996a244eba48bfda931 (patch)
treedc427d33af298d813eb9ec842aabf9c5118cb54e /net/mac80211/sta_info.c
parentb226a826d83d66806fae20fc3518dace8b86bacb (diff)
downloadlinux-5072f73cb6ee0867d2d11996a244eba48bfda931.tar.bz2
mac80211: Add new sta_info getter by sta/vif addrs
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 <toke@redhat.com> Link: https://lore.kernel.org/r/20191112130835.382062-1-toke@redhat.com [remove internal rcu_read_lock(), document instead] Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/mac80211/sta_info.c')
-rw-r--r--net/mac80211/sta_info.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c
index 8d3a2389b055..41bf32080dac 100644
--- a/net/mac80211/sta_info.c
+++ b/net/mac80211/sta_info.c
@@ -210,6 +210,20 @@ 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;
+
+ for_each_sta_info(local, sta_addr, sta, tmp) {
+ if (ether_addr_equal(vif_addr, sta->sdata->vif.addr))
+ return sta;
+ }
+
+ return NULL;
+}
+
struct sta_info *sta_info_get_by_idx(struct ieee80211_sub_if_data *sdata,
int idx)
{