mac80211_hwsim: Check all local addresses for TX Ack status

Since mac80211_hwsim supports multiple virtual interfaces, we need to
iterate through all active interfaces when figuring out whether there
is a match during TX Ack status checking. This fixes TX status
reporting for cases where secondary interfaces are used.

Signed-off-by: Jouni Malinen <jouni.malinen@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 33 insertions, 2 deletions

diff --git a/drivers/net/wireless/mac80211_hwsim.c b/drivers/net/wireless/mac80211_hwsim.c
index 89f527ee1a10..718a5f198c30 100644
--- a/drivers/net/wireless/mac80211_hwsim.c
+++ b/drivers/net/wireless/mac80211_hwsim.c
@@ -436,6 +436,38 @@ static bool hwsim_ps_rx_ok(struct mac80211_hwsim_data *data,
 }
 
 
+struct mac80211_hwsim_addr_match_data {
+        bool ret;
+        const u8 *addr;
+};
+
+static void mac80211_hwsim_addr_iter(void *data, u8 *mac,
+                                     struct ieee80211_vif *vif)
+{
+        struct mac80211_hwsim_addr_match_data *md = data;
+        if (memcmp(mac, md->addr, ETH_ALEN) == 0)
+                md->ret = true;
+}
+
+
+static bool mac80211_hwsim_addr_match(struct mac80211_hwsim_data *data,
+                                      const u8 *addr)
+{
+        struct mac80211_hwsim_addr_match_data md;
+
+        if (memcmp(addr, data->hw->wiphy->perm_addr, ETH_ALEN) == 0)
+                return true;
+
+        md.ret = false;
+        md.addr = addr;
+        ieee80211_iterate_active_interfaces_atomic(data->hw,
+                                                   mac80211_hwsim_addr_iter,
+                                                   &md);
+
+        return md.ret;
+}
+
+
 static bool mac80211_hwsim_tx_frame(struct ieee80211_hw *hw,
                                     struct sk_buff *skb)
 {
@@ -488,8 +520,7 @@ static bool mac80211_hwsim_tx_frame(struct ieee80211_hw *hw,
                 if (nskb == NULL)
                         continue;
 
-                if (memcmp(hdr->addr1, data2->hw->wiphy->perm_addr,
-                           ETH_ALEN) == 0)
+                if (mac80211_hwsim_addr_match(data2, hdr->addr1))
                         ack = true;
                 memcpy(IEEE80211_SKB_RXCB(nskb), &rx_status, sizeof(rx_status));
                 ieee80211_rx_irqsafe(data2->hw, nskb);