ieee80211_get_vif_by_addr allows low level drivers to get a reference to
vif data structure which is not added to the driver as monitor interface.
ieee80211_get_vif_by_addr will be used in ath9k tx99 code
Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi83@xxxxxxxxx>
---
include/net/mac80211.h | 9 +++++++++
net/mac80211/util.c | 26 ++++++++++++++++++++++++++
2 files changed, 35 insertions(+)
diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index 7ceed99..cdec60d 100644
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -4585,4 +4585,13 @@ bool ieee80211_tx_prepare_skb(struct ieee80211_hw *hw,
struct ieee80211_vif *vif, struct sk_buff *skb,
int band, struct ieee80211_sta **sta);
+/**
+ * ieee80211_get_vif_by_addr - get vif for given mac address
+ * @hw: pointer as obtained from ieee80211_alloc_hw()
+ * @mac: mac address
+ *
+ */
+struct ieee80211_vif *ieee80211_get_vif_by_addr(struct ieee80211_hw *hw,
+ const u8 *mac);
+
#endif /* MAC80211_H */
diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index 592a181..6a7a3df 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -2472,3 +2472,29 @@ int ieee80211_send_action_csa(struct ieee80211_sub_if_data *sdata,
ieee80211_tx_skb(sdata, skb);
return 0;
}
+
+/**
+ * ieee80211_get_vif_by_addr - get vif for given mac address
+ * @hw: pointer as obtained from ieee80211_alloc_hw()
+ * @mac: mac address
+ *
+ */
+struct ieee80211_vif *ieee80211_get_vif_by_addr(struct ieee80211_hw *hw,
+ const u8 *mac)
+{
+ struct ieee80211_vif *vif = NULL;
+ struct ieee80211_local *local = hw_to_local(hw);
+ struct ieee80211_sub_if_data *sdata;
+
+ rcu_read_lock();
+ list_for_each_entry_rcu(sdata, &local->interfaces, list) {
+ if (!compare_ether_addr(sdata->vif.addr, mac)) {
+ vif = &sdata->vif;
+ break;
+ }
+ }
+ rcu_read_unlock();
+
+ return vif;
+}
+EXPORT_SYMBOL(ieee80211_get_vif_by_addr);
--
1.8.3.2
--
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