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[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>
This commit is contained in:
Johannes Berg 2007-07-27 15:43:22 +02:00 committed by David S. Miller
parent 23a24defa0
commit 52865dfd52
1 changed files with 7 additions and 6 deletions
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13
net/mac80211/rx.c
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@ -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;
}