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authorJohannes Berg <johannes@sipsolutions.net>2007-07-27 15:43:22 +0200
committerDavid S. Miller <davem@sunset.davemloft.net>2007-10-10 16:47:32 -0700
commit52865dfd520ddd3d1176947106759ff944f0f8af (patch)
tree5cc2a9953e0eb33f5b219476fe08e9624dbadeb7 /net/mac80211
parent23a24defa0da567eac615828563935c195fb48dc (diff)
[MAC80211]: fix bug for per-sta stats
pre_rx handlers can't really touch sta since for IBSS it might not be assigned yet, it can create sta info structs on-the-fly. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: Jiri Benc <jbenc@suse.cz> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'net/mac80211')
-rw-r--r--net/mac80211/rx.c13
1 files changed, 7 insertions, 6 deletions
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index 21d401523d13..f255579dc564 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -28,6 +28,8 @@
/* pre-rx handlers
*
* these don't have dev/sdata fields in the rx data
+ * The sta value should also not be used because it may
+ * be NULL even though a STA (in IBSS mode) will be added.
*/
static ieee80211_txrx_result
@@ -50,12 +52,11 @@ ieee80211_rx_h_parse_qos(struct ieee80211_txrx_data *rx)
tid = 0; /* 802.1d - Best Effort */
}
}
-#ifdef CONFIG_MAC80211_DEBUG_COUNTERS
+
I802_DEBUG_INC(rx->local->wme_rx_queue[tid]);
- if (rx->sta) {
+ /* only a debug counter, sta might not be assigned properly yet */
+ if (rx->sta)
I802_DEBUG_INC(rx->sta->wme_rx_queue[tid]);
- }
-#endif /* CONFIG_MAC80211_DEBUG_COUNTERS */
rx->u.rx.queue = tid;
/* Set skb->priority to 1d tag if highest order bit of TID is not set.
@@ -110,8 +111,6 @@ ieee80211_rx_h_load_stats(struct ieee80211_txrx_data *rx)
/* Divide channel_use by 8 to avoid wrapping around the counter */
load >>= CHAN_UTIL_SHIFT;
local->channel_use_raw += load;
- if (rx->sta)
- rx->sta->channel_use_raw += load;
rx->u.rx.load = load;
return TXRX_CONTINUE;
@@ -129,6 +128,8 @@ ieee80211_rx_handler ieee80211_rx_pre_handlers[] =
static ieee80211_txrx_result
ieee80211_rx_h_if_stats(struct ieee80211_txrx_data *rx)
{
+ if (rx->sta)
+ rx->sta->channel_use_raw += rx->u.rx.load;
rx->sdata->channel_use_raw += rx->u.rx.load;
return TXRX_CONTINUE;
}