diff options
| author | Michael Wu <flamingice@sourmilk.net> | 2007-12-25 19:33:16 -0500 | 
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2008-01-28 15:09:42 -0800 | 
| commit | 2bc454b0b30b3645d114689b64321cb49be99923 (patch) | |
| tree | a6c2bc87e02586f43a71dbb5f1808079df120dec /net/mac80211/rc80211_pid_algo.c | |
| parent | 9ab461732a3cd8e7a7cf13cc46ed4c1ac7907824 (diff) | |
| download | olio-linux-3.10-2bc454b0b30b3645d114689b64321cb49be99923.tar.xz olio-linux-3.10-2bc454b0b30b3645d114689b64321cb49be99923.zip  | |
mac80211: Fix rate reporting regression
Mattias Nissler's "clean up rate selection" patch incorrectly changes
the behavior of txrate setting in sta_info. This patch backs out parts
of the rate selection consolidation in order to fix this issue for now.
Signed-off-by: Michael Wu <flamingice@sourmilk.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'net/mac80211/rc80211_pid_algo.c')
| -rw-r--r-- | net/mac80211/rc80211_pid_algo.c | 20 | 
1 files changed, 17 insertions, 3 deletions
diff --git a/net/mac80211/rc80211_pid_algo.c b/net/mac80211/rc80211_pid_algo.c index 66cae53a647..962286d893d 100644 --- a/net/mac80211/rc80211_pid_algo.c +++ b/net/mac80211/rc80211_pid_algo.c @@ -310,22 +310,36 @@ static void rate_control_pid_get_rate(void *priv, struct net_device *dev,  {  	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);  	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data; +	struct ieee80211_sub_if_data *sdata;  	struct sta_info *sta;  	int rateidx; +	u16 fc;  	sta = sta_info_get(local, hdr->addr1); -	if (!sta) { -		sel->rate = rate_lowest(local, mode, NULL); -		sta_info_put(sta); +	/* Send management frames and broadcast/multicast data using lowest +	 * rate. */ +	fc = le16_to_cpu(hdr->frame_control); +	if ((fc & IEEE80211_FCTL_FTYPE) != IEEE80211_FTYPE_DATA || +	    is_multicast_ether_addr(hdr->addr1) || !sta) { +		sel->rate = rate_lowest(local, mode, sta); +		if (sta) +			sta_info_put(sta);  		return;  	} +	/* If a forced rate is in effect, select it. */ +	sdata = IEEE80211_DEV_TO_SUB_IF(dev); +	if (sdata->bss && sdata->bss->force_unicast_rateidx > -1) +		sta->txrate = sdata->bss->force_unicast_rateidx; +  	rateidx = sta->txrate;  	if (rateidx >= mode->num_rates)  		rateidx = mode->num_rates - 1; +	sta->last_txrate = rateidx; +  	sta_info_put(sta);  	sel->rate = &mode->rates[rateidx];  |