diff options
| author | Michael Wu <flamingice@sourmilk.net> | 2007-12-26 01:33:16 +0100 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2008-01-29 00:09:42 +0100 |
| commit | 2bc454b0b30b3645d114689b64321cb49be99923 (patch) | |
| tree | a6c2bc87e02586f43a71dbb5f1808079df120dec /net/mac80211/rc80211_pid_algo.c | |
| parent | iwlwifi: A-MPDU Rx flow enabled (diff) | |
| download | linux-2bc454b0b30b3645d114689b64321cb49be99923.tar.xz linux-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 66cae53a647d..962286d893d6 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]; |