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ath9k: move ath9k_process_rate to common.c

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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>
This commit is contained in:
Oleksij Rempel 2014-02-04 10:27:40 +01:00 committed by John W. Linville
parent 32efb0cc5b
commit 1274603646
3 changed files with 54 additions and 51 deletions
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42
drivers/net/wireless/ath/ath9k/common.c
View File

@ -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,

4
drivers/net/wireless/ath/ath9k/common.h
View File

@ -42,6 +42,10 @@
#define ATH_EP_RND(x, mul) \
(((x) + ((mul)/2)) / (mul))
int ath9k_cmn_process_rate(struct ath_common *common,
struct ieee80211_hw *hw,
struct ath_rx_status *rx_stats,
struct ieee80211_rx_status *rxs);
void ath9k_cmn_process_rssi(struct ath_common *common,
struct ieee80211_hw *hw,
struct ath_rx_status *rx_stats,

59
drivers/net/wireless/ath/ath9k/recv.c
View File

@ -841,56 +841,6 @@ static bool ath9k_rx_accept(struct ath_common *common,
return true;
}
static int ath9k_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_softc __maybe_unused *sc = common->priv;
struct ath_hw *ah = sc->sc_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;
}
}
/*
* No valid hardware bitrate found -- we should not get here
* because hardware has already validated this frame as OK.
*/
ath_dbg(common, ANY,
"unsupported hw bitrate detected 0x%02x using 1 Mbit\n",
rx_stats->rs_rate);
RX_STAT_INC(rx_rate_err);
return -EINVAL;
}
static void ath9k_process_tsf(struct ath_rx_status *rs,
struct ieee80211_rx_status *rxs,
u64 tsf)
@ -1007,7 +957,14 @@ static int ath9k_rx_skb_preprocess(struct ath_softc *sc,
goto exit;
}
if (ath9k_process_rate(common, hw, rx_stats, rx_status)) {
if (ath9k_cmn_process_rate(common, hw, rx_stats, rx_status)) {
/*
* No valid hardware bitrate found -- we should not get here
* because hardware has already validated this frame as OK.
*/
ath_dbg(common, ANY, "unsupported hw bitrate detected 0x%02x using 1 Mbit\n",
rx_stats->rs_rate);
RX_STAT_INC(rx_rate_err);
ret =-EINVAL;
goto exit;
}