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authorAmitkumar Karwar <akarwar@marvell.com>2011-09-27 07:37:25 +0400
committerJohn W. Linville <linville@tuxdriver.com>2011-09-30 23:57:00 +0400
commit4ec6f9c0c9602bf8e6972eca470fbd1e99c5b222 (patch)
tree3d4905c2419c17f917602c288a56cca21075a1a3 /drivers/net/wireless/mwifiex
parentcbaaf592b742ccecfd066e796cdb1eda461f4db2 (diff)
downloadlinux-4ec6f9c0c9602bf8e6972eca470fbd1e99c5b222.tar.xz
mwifiex: fix Tx data rate display issue
"iw dev mlan0 link" shows wrong data rate, because data rate is not sent properly to cfg80211 stack. Also stack is not updated with mcs and Tx data flags information. Signed-off-by: Amitkumar Karwar <akarwar@marvell.com> Signed-off-by: Bing Zhao <bzhao@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/mwifiex')
-rw-r--r--drivers/net/wireless/mwifiex/cfg80211.c18
1 files changed, 17 insertions, 1 deletions
diff --git a/drivers/net/wireless/mwifiex/cfg80211.c b/drivers/net/wireless/mwifiex/cfg80211.c
index a7c773ebfe2f..e61a6c0dd0ff 100644
--- a/drivers/net/wireless/mwifiex/cfg80211.c
+++ b/drivers/net/wireless/mwifiex/cfg80211.c
@@ -543,12 +543,28 @@ mwifiex_dump_station_info(struct mwifiex_private *priv,
ret = -EFAULT;
}
+ /*
+ * Bit 0 in tx_htinfo indicates that current Tx rate is 11n rate. Valid
+ * MCS index values for us are 0 to 7.
+ */
+ if ((priv->tx_htinfo & BIT(0)) && (priv->tx_rate < 8)) {
+ sinfo->txrate.mcs = priv->tx_rate;
+ sinfo->txrate.flags |= RATE_INFO_FLAGS_MCS;
+ /* 40MHz rate */
+ if (priv->tx_htinfo & BIT(1))
+ sinfo->txrate.flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
+ /* SGI enabled */
+ if (priv->tx_htinfo & BIT(2))
+ sinfo->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI;
+ }
+
sinfo->rx_bytes = priv->stats.rx_bytes;
sinfo->tx_bytes = priv->stats.tx_bytes;
sinfo->rx_packets = priv->stats.rx_packets;
sinfo->tx_packets = priv->stats.tx_packets;
sinfo->signal = priv->qual_level;
- sinfo->txrate.legacy = rate.rate;
+ /* bit rate is in 500 kb/s units. Convert it to 100kb/s units */
+ sinfo->txrate.legacy = rate.rate * 5;
return ret;
}