From: Amitkumar Karwar <akarwar@xxxxxxxxxxx>
"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@xxxxxxxxxxx>
Signed-off-by: Bing Zhao <bzhao@xxxxxxxxxxx>
---
drivers/net/wireless/mwifiex/cfg80211.c | 18 +++++++++++++++++-
1 files changed, 17 insertions(+), 1 deletions(-)
diff --git a/drivers/net/wireless/mwifiex/cfg80211.c b/drivers/net/wireless/mwifiex/cfg80211.c
index 5550741..c429661 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;
}
--
1.7.0.2
--
To unsubscribe from this list: send the line "unsubscribe linux-wireless" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
