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mwifiex: fix Tx data rate display issue

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"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>
This commit is contained in:
Amitkumar Karwar 2011-09-26 20:37:25 -07:00 committed by John W. Linville
parent cbaaf592b7
commit 4ec6f9c0c9
1 changed files with 17 additions and 1 deletions
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18
drivers/net/wireless/mwifiex/cfg80211.c
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@ -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;
}