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mac80211: Fix rate reporting regression

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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>
This commit is contained in:
Michael Wu 2007-12-25 19:33:16 -05:00 • committed by David S. Miller
parent 9ab461732a
commit 2bc454b0b3
5 changed files with 49 additions and 25 deletions
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20
net/mac80211/rc80211_pid_algo.c
View file

@ -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];