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authorOleksij Rempel <linux@rempel-privat.de>2014-02-04 13:27:40 +0400
committerJohn W. Linville <linville@tuxdriver.com>2014-02-13 00:35:57 +0400
commit1274603646a82c62776680db85446f767beb9694 (patch)
tree64f86b28704c4bdeaca643976d596d93d1fd005a /drivers/net/wireless/ath/ath9k/common.c
parent32efb0cc5b614d1ca6c1804107270154c318709a (diff)
downloadlinux-1274603646a82c62776680db85446f767beb9694.tar.xz
ath9k: move ath9k_process_rate to common.c
we can reuse this function in ath9k_htc Signed-off-by: Oleksij Rempel <linux@rempel-privat.de> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/ath/ath9k/common.c')
-rw-r--r--drivers/net/wireless/ath/ath9k/common.c42
1 files changed, 42 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/ath9k/common.c b/drivers/net/wireless/ath/ath9k/common.c
index 7028c52fe32e..120fd46edf0f 100644
--- a/drivers/net/wireless/ath/ath9k/common.c
+++ b/drivers/net/wireless/ath/ath9k/common.c
@@ -27,6 +27,48 @@ MODULE_AUTHOR("Atheros Communications");
MODULE_DESCRIPTION("Shared library for Atheros wireless 802.11n LAN cards.");
MODULE_LICENSE("Dual BSD/GPL");
+int ath9k_cmn_process_rate(struct ath_common *common,
+ struct ieee80211_hw *hw,
+ struct ath_rx_status *rx_stats,
+ struct ieee80211_rx_status *rxs)
+{
+ struct ieee80211_supported_band *sband;
+ enum ieee80211_band band;
+ unsigned int i = 0;
+ struct ath_hw *ah = common->ah;
+
+ band = ah->curchan->chan->band;
+ sband = hw->wiphy->bands[band];
+
+ if (IS_CHAN_QUARTER_RATE(ah->curchan))
+ rxs->flag |= RX_FLAG_5MHZ;
+ else if (IS_CHAN_HALF_RATE(ah->curchan))
+ rxs->flag |= RX_FLAG_10MHZ;
+
+ if (rx_stats->rs_rate & 0x80) {
+ /* HT rate */
+ rxs->flag |= RX_FLAG_HT;
+ rxs->flag |= rx_stats->flag;
+ rxs->rate_idx = rx_stats->rs_rate & 0x7f;
+ return 0;
+ }
+
+ for (i = 0; i < sband->n_bitrates; i++) {
+ if (sband->bitrates[i].hw_value == rx_stats->rs_rate) {
+ rxs->rate_idx = i;
+ return 0;
+ }
+ if (sband->bitrates[i].hw_value_short == rx_stats->rs_rate) {
+ rxs->flag |= RX_FLAG_SHORTPRE;
+ rxs->rate_idx = i;
+ return 0;
+ }
+ }
+
+ return -EINVAL;
+}
+EXPORT_SYMBOL(ath9k_cmn_process_rate);
+
void ath9k_cmn_process_rssi(struct ath_common *common,
struct ieee80211_hw *hw,
struct ath_rx_status *rx_stats,