2009-12-04 17:10:41

by Jouni Malinen

[permalink] [raw]
Subject: [PATCH] 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 <[email protected]>

---
drivers/net/wireless/mac80211_hwsim.c | 35 ++++++++++++++++++++++++++++++++--
1 file changed, 33 insertions(+), 2 deletions(-)

--- uml.orig/drivers/net/wireless/mac80211_hwsim.c 2009-12-04 18:29:52.000000000 +0200
+++ uml/drivers/net/wireless/mac80211_hwsim.c 2009-12-04 18:48:32.000000000 +0200
@@ -482,6 +482,38 @@ static bool hwsim_ps_rx_ok(struct mac802
}


+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)
{
@@ -534,8 +566,7 @@ static bool mac80211_hwsim_tx_frame(stru
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);

--
Jouni Malinen PGP id EFC895FA