From d2e2d769e3d328ba7cbf08e8ed85e3f817915843 Mon Sep 17 00:00:00 2001 From: Pontus Fuchs Date: Tue, 31 Jan 2012 17:54:40 +0200 Subject: wl12xx: Set IEEE80211_TX_RC_MCS on MCS rates on TX complete. IEEE80211_TX_RC_MCS was not set correctly leading to incorrect link speed calculation. Signed-off-by: Pontus Fuchs Signed-off-by: Ido Reis Signed-off-by: Eliad Peller Signed-off-by: Luciano Coelho --- drivers/net/wireless/wl12xx/conf.h | 4 ++++ drivers/net/wireless/wl12xx/tx.c | 12 +++++++++++- 2 files changed, 15 insertions(+), 1 deletion(-) (limited to 'drivers/net/wireless/wl12xx') diff --git a/drivers/net/wireless/wl12xx/conf.h b/drivers/net/wireless/wl12xx/conf.h index 10e5e3df4b95..209f05312909 100644 --- a/drivers/net/wireless/wl12xx/conf.h +++ b/drivers/net/wireless/wl12xx/conf.h @@ -91,6 +91,10 @@ enum { CONF_HW_RXTX_RATE_UNSUPPORTED = 0xff }; +/* Rates between and including these are MCS rates */ +#define CONF_HW_RXTX_RATE_MCS_MIN CONF_HW_RXTX_RATE_MCS7 +#define CONF_HW_RXTX_RATE_MCS_MAX CONF_HW_RXTX_RATE_MCS0 + enum { CONF_SG_DISABLE = 0, CONF_SG_PROTECTIVE, diff --git a/drivers/net/wireless/wl12xx/tx.c b/drivers/net/wireless/wl12xx/tx.c index 2bf43b86a3f9..f95112f6769f 100644 --- a/drivers/net/wireless/wl12xx/tx.c +++ b/drivers/net/wireless/wl12xx/tx.c @@ -764,6 +764,14 @@ out: mutex_unlock(&wl->mutex); } +static u8 wl1271_tx_get_rate_flags(u8 rate_class_index) +{ + if (rate_class_index >= CONF_HW_RXTX_RATE_MCS_MIN && + rate_class_index <= CONF_HW_RXTX_RATE_MCS_MAX) + return IEEE80211_TX_RC_MCS; + return 0; +} + static void wl1271_tx_complete_packet(struct wl1271 *wl, struct wl1271_tx_hw_res_descr *result) { @@ -773,6 +781,7 @@ static void wl1271_tx_complete_packet(struct wl1271 *wl, struct sk_buff *skb; int id = result->id; int rate = -1; + u8 rate_flags = 0; u8 retries = 0; /* check for id legality */ @@ -799,6 +808,7 @@ static void wl1271_tx_complete_packet(struct wl1271 *wl, info->flags |= IEEE80211_TX_STAT_ACK; rate = wl1271_rate_to_idx(result->rate_class_index, wlvif->band); + rate_flags = wl1271_tx_get_rate_flags(result->rate_class_index); retries = result->ack_failures; } else if (result->status == TX_RETRY_EXCEEDED) { wl->stats.excessive_retries++; @@ -807,7 +817,7 @@ static void wl1271_tx_complete_packet(struct wl1271 *wl, info->status.rates[0].idx = rate; info->status.rates[0].count = retries; - info->status.rates[0].flags = 0; + info->status.rates[0].flags = rate_flags; info->status.ack_signal = -1; wl->stats.retry_count += result->ack_failures; -- cgit v1.2.3