lkml.org 
[lkml]   [2013]   [Jun]   [27]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH 3.9-stable] iwlegacy: fix rate control regression
Date
This patch looks like it should be in the 3.9-stable tree, should we apply
it?

------------------

From: "Stanislaw Gruszka <sgruszka@redhat.com>"

commit a8cf0194b7187fb65dfff28a1c5153d442e3836a upstream

Since driver does not use control.rates[0].count, we have never set that
variable. But currently, after rate control API rewrite, this is required
by mac80211. Otherwise legacy rates control does not work and we transmit
always at 1Mbit/s on pre 11n networks.

Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: Jonghwan Choi <jhbird.choi@samsung.com>
---
drivers/net/wireless/iwlegacy/3945-rs.c | 1 +
drivers/net/wireless/iwlegacy/4965-rs.c | 2 +-
2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/net/wireless/iwlegacy/3945-rs.c
b/drivers/net/wireless/iwlegacy/3945-rs.c
index d4fd29a..dde7ff0 100644
--- a/drivers/net/wireless/iwlegacy/3945-rs.c
+++ b/drivers/net/wireless/iwlegacy/3945-rs.c
@@ -816,6 +816,7 @@ out:
rs_sta->last_txrate_idx = idx;
info->control.rates[0].idx = rs_sta->last_txrate_idx;
}
+ info->control.rates[0].count = 1;

D_RATE("leave: %d\n", idx);
}
diff --git a/drivers/net/wireless/iwlegacy/4965-rs.c
b/drivers/net/wireless/iwlegacy/4965-rs.c
index 6c7493c..38fb9e1 100644
--- a/drivers/net/wireless/iwlegacy/4965-rs.c
+++ b/drivers/net/wireless/iwlegacy/4965-rs.c
@@ -2268,7 +2268,7 @@ il4965_rs_get_rate(void *il_r, struct ieee80211_sta
*sta, void *il_sta,
info->control.rates[0].flags = 0;
}
info->control.rates[0].idx = rate_idx;
-
+ info->control.rates[0].count = 1;
}

static void *
--
1.7.9.5


\
 
 \ /
  Last update: 2013-06-28 02:01    [W:0.039 / U:0.260 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site