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Diffstat (limited to 'drivers/net/wireless/ath/ath9k/xmit.c')
-rw-r--r--drivers/net/wireless/ath/ath9k/xmit.c62
1 files changed, 28 insertions, 34 deletions
diff --git a/drivers/net/wireless/ath/ath9k/xmit.c b/drivers/net/wireless/ath/ath9k/xmit.c
index 29bf33692f71..47294f90bbe5 100644
--- a/drivers/net/wireless/ath/ath9k/xmit.c
+++ b/drivers/net/wireless/ath/ath9k/xmit.c
@@ -1498,26 +1498,6 @@ static void ath_buf_set_rate(struct ath_softc *sc, struct ath_buf *bf)
if (sc->sc_flags & SC_OP_PREAMBLE_SHORT)
ctsrate |= rate->hw_value_short;
- /*
- * ATH9K_TXDESC_RTSENA and ATH9K_TXDESC_CTSENA are mutually exclusive.
- * Check the first rate in the series to decide whether RTS/CTS
- * or CTS-to-self has to be used.
- */
- if (rates[0].flags & IEEE80211_TX_RC_USE_CTS_PROTECT)
- flags = ATH9K_TXDESC_CTSENA;
- else if (rates[0].flags & IEEE80211_TX_RC_USE_RTS_CTS)
- flags = ATH9K_TXDESC_RTSENA;
-
- /* FIXME: Handle aggregation protection */
- if (sc->config.ath_aggr_prot &&
- (!bf_isaggr(bf) || (bf_isaggr(bf) && bf->bf_al < 8192))) {
- flags = ATH9K_TXDESC_RTSENA;
- }
-
- /* For AR5416 - RTS cannot be followed by a frame larger than 8K */
- if (bf_isaggr(bf) && (bf->bf_al > sc->sc_ah->caps.rts_aggr_limit))
- flags &= ~(ATH9K_TXDESC_RTSENA);
-
for (i = 0; i < 4; i++) {
bool is_40, is_sgi, is_sp;
int phy;
@@ -1529,8 +1509,15 @@ static void ath_buf_set_rate(struct ath_softc *sc, struct ath_buf *bf)
series[i].Tries = rates[i].count;
series[i].ChSel = common->tx_chainmask;
- if (rates[i].flags & IEEE80211_TX_RC_USE_RTS_CTS)
+ if ((sc->config.ath_aggr_prot && bf_isaggr(bf)) ||
+ (rates[i].flags & IEEE80211_TX_RC_USE_RTS_CTS)) {
series[i].RateFlags |= ATH9K_RATESERIES_RTS_CTS;
+ flags |= ATH9K_TXDESC_RTSENA;
+ } else if (rates[i].flags & IEEE80211_TX_RC_USE_CTS_PROTECT) {
+ series[i].RateFlags |= ATH9K_RATESERIES_RTS_CTS;
+ flags |= ATH9K_TXDESC_CTSENA;
+ }
+
if (rates[i].flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
series[i].RateFlags |= ATH9K_RATESERIES_2040;
if (rates[i].flags & IEEE80211_TX_RC_SHORT_GI)
@@ -1568,6 +1555,14 @@ static void ath_buf_set_rate(struct ath_softc *sc, struct ath_buf *bf)
phy, rate->bitrate * 100, bf->bf_frmlen, rix, is_sp);
}
+ /* For AR5416 - RTS cannot be followed by a frame larger than 8K */
+ if (bf_isaggr(bf) && (bf->bf_al > sc->sc_ah->caps.rts_aggr_limit))
+ flags &= ~ATH9K_TXDESC_RTSENA;
+
+ /* ATH9K_TXDESC_RTSENA and ATH9K_TXDESC_CTSENA are mutually exclusive. */
+ if (flags & ATH9K_TXDESC_RTSENA)
+ flags &= ~ATH9K_TXDESC_CTSENA;
+
/* set dur_update_en for l-sig computation except for PS-Poll frames */
ath9k_hw_set11n_ratescenario(sc->sc_ah, bf->bf_desc,
bf->bf_lastbf->bf_desc,
@@ -1648,7 +1643,7 @@ static int ath_tx_setup_buffer(struct ieee80211_hw *hw, struct ath_buf *bf,
/* tag if this is a nullfunc frame to enable PS when AP acks it */
if (ieee80211_is_nullfunc(fc) && ieee80211_has_pm(fc)) {
bf->bf_isnullfunc = true;
- sc->sc_flags &= ~SC_OP_NULLFUNC_COMPLETED;
+ sc->ps_flags &= ~PS_NULLFUNC_COMPLETED;
} else
bf->bf_isnullfunc = false;
@@ -1858,15 +1853,15 @@ static void ath_tx_complete(struct ath_softc *sc, struct sk_buff *skb,
skb_pull(skb, padsize);
}
- if (sc->sc_flags & SC_OP_WAIT_FOR_TX_ACK) {
- sc->sc_flags &= ~SC_OP_WAIT_FOR_TX_ACK;
+ if (sc->ps_flags & PS_WAIT_FOR_TX_ACK) {
+ sc->ps_flags &= ~PS_WAIT_FOR_TX_ACK;
ath_print(common, ATH_DBG_PS,
"Going back to sleep after having "
- "received TX status (0x%x)\n",
- sc->sc_flags & (SC_OP_WAIT_FOR_BEACON |
- SC_OP_WAIT_FOR_CAB |
- SC_OP_WAIT_FOR_PSPOLL_DATA |
- SC_OP_WAIT_FOR_TX_ACK));
+ "received TX status (0x%lx)\n",
+ sc->ps_flags & (PS_WAIT_FOR_BEACON |
+ PS_WAIT_FOR_CAB |
+ PS_WAIT_FOR_PSPOLL_DATA |
+ PS_WAIT_FOR_TX_ACK));
}
if (unlikely(tx_info->pad[0] & ATH_TX_INFO_FRAME_TYPE_INTERNAL))
@@ -2053,11 +2048,10 @@ static void ath_tx_processq(struct ath_softc *sc, struct ath_txq *txq)
*/
if (bf->bf_isnullfunc &&
(ds->ds_txstat.ts_status & ATH9K_TX_ACKED)) {
- if ((sc->sc_flags & SC_OP_PS_ENABLED)) {
- sc->ps_enabled = true;
- ath9k_hw_setrxabort(sc->sc_ah, 1);
- } else
- sc->sc_flags |= SC_OP_NULLFUNC_COMPLETED;
+ if ((sc->ps_flags & PS_ENABLED))
+ ath9k_enable_ps(sc);
+ else
+ sc->ps_flags |= PS_NULLFUNC_COMPLETED;
}
/*