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wl1271: Fix warning about unsupported RX rate 

While scanning, it is possible that beacon and probe response frames are
received on other band than configured to the driver. In rx status
handling this has caused "Unsupported RX rate from HW" warnings. This
patch changes the wl1271_rate_to_index function to take the band of the
received frame as a parameter instead of using value configuret to
wl->band.

Signed-off-by: Teemu Paasikivi <ext-teemu.3.paasikivi@nokia.com>
Reviewed-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
This commit is contained in:
Teemu Paasikivi 2010-10-14 11:00:04 +02:00 коммит произвёл John W. Linville
Родитель 18357850b6
Коммит 6a2de93b25
5 изменённых файлов: 15 добавлений и 7 удалений
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6
drivers/net/wireless/wl12xx/wl1271_main.c
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@ -2367,18 +2367,18 @@ static const struct ieee80211_ops wl1271_ops = {
};
u8 wl1271_rate_to_idx(struct wl1271 *wl, int rate)
u8 wl1271_rate_to_idx(int rate, enum ieee80211_band band)
{
u8 idx;
BUG_ON(wl->band >= sizeof(wl1271_band_rate_to_idx)/sizeof(u8 *));
BUG_ON(band >= sizeof(wl1271_band_rate_to_idx)/sizeof(u8 *));
if (unlikely(rate >= CONF_HW_RXTX_RATE_MAX)) {
wl1271_error("Illegal RX rate from HW: %d", rate);
return 0;
}
idx = wl1271_band_rate_to_idx[wl->band][rate];
idx = wl1271_band_rate_to_idx[band][rate];
if (unlikely(idx == CONF_HW_RXTX_RATE_UNSUPPORTED)) {
wl1271_error("Unsupported RX rate from HW: %d", rate);
return 0;

10
drivers/net/wireless/wl12xx/wl1271_rx.c
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@ -48,10 +48,18 @@ static void wl1271_rx_status(struct wl1271 *wl,
struct ieee80211_rx_status *status,
u8 beacon)
{
enum ieee80211_band desc_band;
memset(status, 0, sizeof(struct ieee80211_rx_status));
status->band = wl->band;
status->rate_idx = wl1271_rate_to_idx(wl, desc->rate);
if ((desc->flags & WL1271_RX_DESC_BAND_MASK) == WL1271_RX_DESC_BAND_BG)
desc_band = IEEE80211_BAND_2GHZ;
else
desc_band = IEEE80211_BAND_5GHZ;
status->rate_idx = wl1271_rate_to_idx(desc->rate, desc_band);
#ifdef CONFIG_WL1271_HT
/* 11n support */

2
drivers/net/wireless/wl12xx/wl1271_rx.h
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@ -116,6 +116,6 @@ struct wl1271_rx_descriptor {
} __packed;
void wl1271_rx(struct wl1271 *wl, struct wl1271_fw_status *status);
u8 wl1271_rate_to_idx(struct wl1271 *wl, int rate);
u8 wl1271_rate_to_idx(int rate, enum ieee80211_band band);
#endif

2
drivers/net/wireless/wl12xx/wl1271_tx.c
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@ -350,7 +350,7 @@ static void wl1271_tx_complete_packet(struct wl1271 *wl,
if (result->status == TX_SUCCESS) {
if (!(info->flags & IEEE80211_TX_CTL_NO_ACK))
info->flags |= IEEE80211_TX_STAT_ACK;
rate = wl1271_rate_to_idx(wl, result->rate_class_index);
rate = wl1271_rate_to_idx(result->rate_class_index, wl->band);
retries = result->ack_failures;
} else if (result->status == TX_RETRY_EXCEEDED) {
wl->stats.excessive_retries++;

2
drivers/net/wireless/wl12xx/wl1271_tx.h
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@ -144,7 +144,7 @@ void wl1271_tx_work_locked(struct wl1271 *wl);
void wl1271_tx_complete(struct wl1271 *wl);
void wl1271_tx_reset(struct wl1271 *wl);
void wl1271_tx_flush(struct wl1271 *wl);
u8 wl1271_rate_to_idx(struct wl1271 *wl, int rate);
u8 wl1271_rate_to_idx(int rate, enum ieee80211_band band);
u32 wl1271_tx_enabled_rates_get(struct wl1271 *wl, u32 rate_set);
#endif