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Commit 2c5a744d authored by Sujith's avatar Sujith Committed by John W. Linville
Browse files

ath9k: Use helpers 



Break down huge functions, use helper functions or
macros instead.

Signed-off-by: default avatarSujith <Sujith.Manoharan@atheros.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent 46d14a58

drivers/net/wireless/ath9k/rc.c

+189 −197
Original line number Diff line number Diff line
@@ -153,11 +153,6 @@ static struct ath_rate_table ar5416_11na_ratetable = { 
	WLAN_RC_HT_FLAG,  /* Phy rates allowed initially */

};



/* VALID_ALL - valid for 20/40/Legacy,

 * VALID - Legacy only,

 * VALID_20 - HT 20 only,

 * VALID_40 - HT 40 only */



/* 4ms frame limit not used for NG mode.  The values filled

 * for HT are the 64K max aggregate limit */
@@ -471,8 +466,7 @@ static inline int ath_rc_isvalid_txmask(struct ath_rate_priv *ath_rc_priv, 
	return ath_rc_priv->valid_rate_index[index];

}



static inline int

ath_rc_get_nextvalid_txrate(struct ath_rate_table *rate_table,

static inline int ath_rc_get_nextvalid_txrate(struct ath_rate_table *rate_table,

					      struct ath_rate_priv *ath_rc_priv,

					      u8 cur_valid_txrate,

					      u8 *next_idx)
@@ -488,6 +482,7 @@ ath_rc_get_nextvalid_txrate(struct ath_rate_table *rate_table, 


	/* No more valid rates */

	*next_idx = 0;



	return 0;

}
@@ -522,11 +517,11 @@ ath_rc_get_nextlowervalid_txrate(struct ath_rate_table *rate_table, 
			return 1;

		}

	}



	return 0;

}



static u8

ath_rc_sib_init_validrates(struct ath_rate_priv *ath_rc_priv,

static u8 ath_rc_init_validrates(struct ath_rate_priv *ath_rc_priv,

				 struct ath_rate_table *rate_table,

				 u32 capflag)

{
@@ -552,11 +547,11 @@ ath_rc_sib_init_validrates(struct ath_rate_priv *ath_rc_priv, 
			hi = A_MAX(hi, i);

		}

	}



	return hi;

}



static u8

ath_rc_sib_setvalid_rates(struct ath_rate_priv *ath_rc_priv,

static u8 ath_rc_setvalid_rates(struct ath_rate_priv *ath_rc_priv,

				struct ath_rate_table *rate_table,

				struct ath_rateset *rateset,

				u32 capflag)
@@ -570,17 +565,17 @@ ath_rc_sib_setvalid_rates(struct ath_rate_priv *ath_rc_priv, 
			u32 valid = (ath_rc_priv->single_stream ?

				rate_table->info[j].valid_single_stream :

				rate_table->info[j].valid);

			u8 rate = rateset->rs_rates[i];

			u8 dot11rate = rate_table->info[j].dot11rate;



			/* We allow a rate only if its valid and the

			 * capflag matches one of the validity

			 * (VALID/VALID_20/VALID_40) flags */



			if (((rateset->rs_rates[i] & 0x7F) ==

				(rate_table->info[j].dot11rate & 0x7F)) &&

			if (((rate & 0x7F) == (dot11rate & 0x7F)) &&

			    ((valid & WLAN_RC_CAP_MODE(capflag)) ==

			     WLAN_RC_CAP_MODE(capflag)) &&

			    !WLAN_RC_PHY_HT(phy)) {



				u8 valid_rate_count = 0;



				if (!ath_rc_valid_phyrate(phy, capflag, 0))
@@ -597,27 +592,29 @@ ath_rc_sib_setvalid_rates(struct ath_rate_priv *ath_rc_priv, 
			}

		}

	}



	return hi;

}



static u8

ath_rc_sib_setvalid_htrates(struct ath_rate_priv *ath_rc_priv,

static u8 ath_rc_setvalid_htrates(struct ath_rate_priv *ath_rc_priv,

				  struct ath_rate_table *rate_table,

				  u8 *mcs_set, u32 capflag)

{

	struct ath_rateset *rateset = (struct ath_rateset *)mcs_set;



	u8 i, j, hi = 0;



	/* Use intersection of working rates and valid rates */

	for (i = 0; i <  ((struct ath_rateset *)mcs_set)->rs_nrates; i++) {

	for (i = 0; i < rateset->rs_nrates; i++) {

		for (j = 0; j < rate_table->rate_cnt; j++) {

			u32 phy = rate_table->info[j].phy;

			u32 valid = (ath_rc_priv->single_stream ?

				     rate_table->info[j].valid_single_stream :

				     rate_table->info[j].valid);

			u8 rate = rateset->rs_rates[i];

			u8 dot11rate = rate_table->info[j].dot11rate;



			if (((((struct ath_rateset *)

			       mcs_set)->rs_rates[i] & 0x7F) !=

			     (rate_table->info[j].dot11rate & 0x7F)) ||

			if (((rate & 0x7F) != (dot11rate & 0x7F)) ||

			    !WLAN_RC_PHY_HT(phy) ||

			    !WLAN_RC_PHY_HT_VALID(valid, capflag))

				continue;
@@ -632,26 +629,8 @@ ath_rc_sib_setvalid_htrates(struct ath_rate_priv *ath_rc_priv, 
			hi = A_MAX(hi, j);

		}

	}

	return hi;

}



u8 ath_rate_findrateix(struct ath_softc *sc,

		       u8 dot11rate)

{

	struct ath_rate_table *ratetable;

	int i;



	ratetable = sc->hw_rate_table[sc->sc_curmode];



	if (WARN_ON(!ratetable))

		return 0;



	for (i = 0; i < ratetable->rate_cnt; i++) {

		if ((ratetable->info[i].dot11rate & 0x7f) == (dot11rate & 0x7f))

			return i;

	}



	return 0;

	return hi;

}



static u8 ath_rc_ratefind_ht(struct ath_softc *sc,
@@ -784,9 +763,7 @@ static u8 ath_rc_ratefind_ht(struct ath_softc *sc, 


static void ath_rc_rate_set_series(struct ath_rate_table *rate_table ,

				   struct ieee80211_tx_rate *rate,

				   u8 tries,

				   u8 rix,

				   int rtsctsenable)

				   u8 tries, u8 rix, int rtsctsenable)

{

	rate->count = tries;

	rate->idx = rix;
@@ -911,15 +888,16 @@ static void ath_rc_ratefind(struct ath_softc *sc, 
	}

}



static void ath_rc_update_ht(struct ath_softc *sc,

static bool ath_rc_update_per(struct ath_softc *sc,

			      struct ath_rate_table *rate_table,

			      struct ath_rate_priv *ath_rc_priv,

			      struct ath_tx_info_priv *tx_info_priv,

			     int tx_rate, int xretries, int retries)

			      int tx_rate, int xretries, int retries,

			      u32 now_msec)

{

	u32 now_msec = jiffies_to_msecs(jiffies);

	int state_change = 0, rate, count;

	bool state_change = false;

	int count;

	u8 last_per;

	struct ath_rate_table *rate_table = sc->hw_rate_table[sc->sc_curmode];

	static u32 nretry_to_per_lookup[10] = {

		100 * 0 / 1,

		100 * 1 / 4,
@@ -933,24 +911,9 @@ static void ath_rc_update_ht(struct ath_softc *sc, 
		100 * 9 / 10

	};



	if (!ath_rc_priv)

		return;



	ASSERT(tx_rate >= 0);

	if (tx_rate < 0)

		return;



	/* To compensate for some imbalance between ctrl and ext. channel */



	if (WLAN_RC_PHY_40(rate_table->info[tx_rate].phy))

		tx_info_priv->tx.ts_rssi =

			tx_info_priv->tx.ts_rssi < 3 ? 0 :

			tx_info_priv->tx.ts_rssi - 3;



	last_per = ath_rc_priv->state[tx_rate].per;



	if (xretries) {

		/* Update the PER. */

		if (xretries == 1) {

			ath_rc_priv->state[tx_rate].per += 30;

			if (ath_rc_priv->state[tx_rate].per > 100)
@@ -960,11 +923,10 @@ static void ath_rc_update_ht(struct ath_softc *sc, 
			count = ARRAY_SIZE(nretry_to_per_lookup);

			if (retries >= count)

				retries = count - 1;



			/* new_PER = 7/8*old_PER + 1/8*(currentPER) */

			ath_rc_priv->state[tx_rate].per =

				(u8)(ath_rc_priv->state[tx_rate].per -

				     (ath_rc_priv->state[tx_rate].per >> 3) +

				     ((100) >> 3));

				(u8)(last_per - (last_per >> 3) + (100 >> 3));

		}



		/* xretries == 1 or 2 */
@@ -973,11 +935,10 @@ static void ath_rc_update_ht(struct ath_softc *sc, 
			ath_rc_priv->probe_rate = 0;



	} else { /* xretries == 0 */

		/* Update the PER. */

		/* Make sure it doesn't index out of array's bounds. */

		count = ARRAY_SIZE(nretry_to_per_lookup);

		if (retries >= count)

			retries = count - 1;



		if (tx_info_priv->n_bad_frames) {

			/* new_PER = 7/8*old_PER + 1/8*(currentPER)

			 * Assuming that n_frames is not 0.  The current PER
@@ -991,21 +952,20 @@ static void ath_rc_update_ht(struct ath_softc *sc, 
			 * the above PER.  The expression below is a

			 * simplified version of the sum of these two terms.

			 */

			if (tx_info_priv->n_frames > 0)

				ath_rc_priv->state[tx_rate].per

				      = (u8)

					(ath_rc_priv->state[tx_rate].per -

					(ath_rc_priv->state[tx_rate].per >> 3) +

					((100*(retries*tx_info_priv->n_frames +

					tx_info_priv->n_bad_frames) /

					(tx_info_priv->n_frames *

						(retries+1))) >> 3));

		} else {

			/* new_PER = 7/8*old_PER + 1/8*(currentPER) */

			if (tx_info_priv->n_frames > 0) {

				int n_frames, n_bad_frames;

				u8 cur_per, new_per;



			ath_rc_priv->state[tx_rate].per = (u8)

				(ath_rc_priv->state[tx_rate].per -

				(ath_rc_priv->state[tx_rate].per >> 3) +

				n_bad_frames = retries * tx_info_priv->n_frames +

					tx_info_priv->n_bad_frames;

				n_frames = tx_info_priv->n_frames * (retries + 1);

				cur_per = (100 * n_bad_frames / n_frames) >> 3;

				new_per = (u8)(last_per - (last_per >> 3) + cur_per);

				ath_rc_priv->state[tx_rate].per = new_per;

			}

		} else {

			ath_rc_priv->state[tx_rate].per =

				(u8)(last_per - (last_per >> 3) +

				     (nretry_to_per_lookup[retries] >> 3));

		}
@@ -1018,7 +978,6 @@ static void ath_rc_update_ht(struct ath_softc *sc, 
		 * If we got at most one retry then increase the max rate if

		 * this was a probe.  Otherwise, ignore the probe.

		 */



		if (ath_rc_priv->probe_rate && ath_rc_priv->probe_rate == tx_rate) {

			if (retries > 0 || 2 * tx_info_priv->n_bad_frames >

				tx_info_priv->n_frames) {
@@ -1033,7 +992,8 @@ static void ath_rc_update_ht(struct ath_softc *sc, 
			} else {

				u8 probe_rate = 0;



				ath_rc_priv->rate_max_phy = ath_rc_priv->probe_rate;

				ath_rc_priv->rate_max_phy =

					ath_rc_priv->probe_rate;

				probe_rate = ath_rc_priv->probe_rate;



				if (ath_rc_priv->state[probe_rate].per > 30)
@@ -1047,8 +1007,8 @@ static void ath_rc_update_ht(struct ath_softc *sc, 
				 * to move up faster if the probes are

				 * succesful.

				 */

				ath_rc_priv->probe_time = now_msec -

					rate_table->probe_interval / 2;

				ath_rc_priv->probe_time =

					now_msec - rate_table->probe_interval / 2;

			}

		}
@@ -1064,6 +1024,10 @@ static void ath_rc_update_ht(struct ath_softc *sc, 
			 */

			ath_rc_priv->hw_maxretry_pktcnt = 0;

		} else {

			int32_t rssi_ackAvg;

			int8_t rssi_thres;

			int8_t rssi_ack_vmin;



			/*

			 * It worked with no retries. First ignore bogus (small)

			 * rssi_ack values.
@@ -1073,8 +1037,10 @@ static void ath_rc_update_ht(struct ath_softc *sc, 
				ath_rc_priv->hw_maxretry_pktcnt++;

			}



			if (tx_info_priv->tx.ts_rssi >=

				rate_table->info[tx_rate].rssi_ack_validmin) {

			if (tx_info_priv->tx.ts_rssi <

			    rate_table->info[tx_rate].rssi_ack_validmin)

				goto exit;



			/* Average the rssi */

			if (tx_rate != ath_rc_priv->rssi_sum_rate) {

				ath_rc_priv->rssi_sum_rate = tx_rate;
@@ -1085,34 +1051,68 @@ static void ath_rc_update_ht(struct ath_softc *sc, 
			ath_rc_priv->rssi_sum += tx_info_priv->tx.ts_rssi;

			ath_rc_priv->rssi_sum_cnt++;



				if (ath_rc_priv->rssi_sum_cnt > 4) {

					int32_t rssi_ackAvg =

			if (ath_rc_priv->rssi_sum_cnt < 4)

				goto exit;



			rssi_ackAvg =

				(ath_rc_priv->rssi_sum + 2) / 4;

					int8_t rssi_thres =

						ath_rc_priv->state[tx_rate].

						rssi_thres;

					int8_t rssi_ack_vmin =

						rate_table->info[tx_rate].

						rssi_ack_validmin;

			rssi_thres =

				ath_rc_priv->state[tx_rate].rssi_thres;

			rssi_ack_vmin =

				rate_table->info[tx_rate].rssi_ack_validmin;



			ath_rc_priv->rssi_sum =

				ath_rc_priv->rssi_sum_cnt = 0;



					/* Now reduce the current

					 * rssi threshold. */

			/* Now reduce the current rssi threshold */

			if ((rssi_ackAvg < rssi_thres + 2) &&

			    (rssi_thres > rssi_ack_vmin)) {

						ath_rc_priv->state[tx_rate].

							rssi_thres--;

				ath_rc_priv->state[tx_rate].rssi_thres--;

			}



					state_change = 1;

				}

			state_change = true;

		}

	}

exit:

	return state_change;

}



	/* For all cases */

/* Update PER, RSSI and whatever else that the code thinks it is doing.

   If you can make sense of all this, you really need to go out more. */



static void ath_rc_update_ht(struct ath_softc *sc,

			     struct ath_rate_priv *ath_rc_priv,

			     struct ath_tx_info_priv *tx_info_priv,

			     int tx_rate, int xretries, int retries)

{

#define CHK_RSSI(rate)					\

	((ath_rc_priv->state[(rate)].rssi_thres +	\

	  rate_table->info[(rate)].rssi_ack_deltamin) > \

	 ath_rc_priv->state[(rate)+1].rssi_thres)



	u32 now_msec = jiffies_to_msecs(jiffies);

	int rate;

	u8 last_per;

	bool state_change = false;

	struct ath_rate_table *rate_table = sc->hw_rate_table[sc->sc_curmode];

	int size = ath_rc_priv->rate_table_size;



	if ((tx_rate < 0) || (tx_rate > rate_table->rate_cnt))

		return;



	/* To compensate for some imbalance between ctrl and ext. channel */



	if (WLAN_RC_PHY_40(rate_table->info[tx_rate].phy))

		tx_info_priv->tx.ts_rssi =

			tx_info_priv->tx.ts_rssi < 3 ? 0 :

			tx_info_priv->tx.ts_rssi - 3;



	last_per = ath_rc_priv->state[tx_rate].per;



	/* Update PER first */

	state_change = ath_rc_update_per(sc, rate_table, ath_rc_priv,

					 tx_info_priv, tx_rate, xretries,

					 retries, now_msec);



	/*

	 * If this rate looks bad (high PER) then stop using it for
@@ -1136,20 +1136,15 @@ static void ath_rc_update_ht(struct ath_softc *sc, 
		 *         made to keep the rssi thresholds monotonically

		 *         increasing between the CCK and OFDM rates.)

		 */

		for (rate = tx_rate; rate <

				ath_rc_priv->rate_table_size - 1; rate++) {

		for (rate = tx_rate; rate < size - 1; rate++) {

			if (rate_table->info[rate+1].phy !=

			    rate_table->info[tx_rate].phy)

				break;



			if (ath_rc_priv->state[rate].rssi_thres +

			    rate_table->info[rate].rssi_ack_deltamin >

			    ath_rc_priv->state[rate+1].rssi_thres) {

			if (CHK_RSSI(rate)) {

				ath_rc_priv->state[rate+1].rssi_thres =

					ath_rc_priv->state[rate].

					rssi_thres +

					rate_table->info[rate].

					rssi_ack_deltamin;

					ath_rc_priv->state[rate].rssi_thres +

					rate_table->info[rate].rssi_ack_deltamin;

			}

		}
@@ -1159,27 +1154,20 @@ static void ath_rc_update_ht(struct ath_softc *sc, 
			    rate_table->info[tx_rate].phy)

				break;



			if (ath_rc_priv->state[rate].rssi_thres +

			    rate_table->info[rate].rssi_ack_deltamin >

			    ath_rc_priv->state[rate+1].rssi_thres) {

			if (CHK_RSSI(rate)) {

				if (ath_rc_priv->state[rate+1].rssi_thres <

				    rate_table->info[rate].

				    rssi_ack_deltamin)

				    rate_table->info[rate].rssi_ack_deltamin)

					ath_rc_priv->state[rate].rssi_thres = 0;

				else {

					ath_rc_priv->state[rate].rssi_thres =

						ath_rc_priv->state[rate+1].

						rssi_thres -

						rate_table->info[rate].

						rssi_ack_deltamin;

					ath_rc_priv->state[rate+1].rssi_thres -

					rate_table->info[rate].rssi_ack_deltamin;

				}



				if (ath_rc_priv->state[rate].rssi_thres <

				    rate_table->info[rate].

				    rssi_ack_validmin) {

				    rate_table->info[rate].rssi_ack_validmin) {

					ath_rc_priv->state[rate].rssi_thres =

						rate_table->info[rate].

						rssi_ack_validmin;

					rate_table->info[rate].rssi_ack_validmin;

				}

			}

		}
@@ -1202,8 +1190,9 @@ static void ath_rc_update_ht(struct ath_softc *sc, 
	}



	/* Maintain monotonicity for rates above the current rate */

	for (rate = tx_rate; rate < ath_rc_priv->rate_table_size - 1; rate++) {

		if (ath_rc_priv->state[rate+1].per < ath_rc_priv->state[rate].per)

	for (rate = tx_rate; rate < size - 1; rate++) {

		if (ath_rc_priv->state[rate+1].per <

		    ath_rc_priv->state[rate].per)

			ath_rc_priv->state[rate+1].per =

				ath_rc_priv->state[rate].per;

	}
@@ -1213,7 +1202,7 @@ static void ath_rc_update_ht(struct ath_softc *sc, 
	if (now_msec - ath_rc_priv->rssi_down_time >=

	    rate_table->rssi_reduce_interval) {



		for (rate = 0; rate < ath_rc_priv->rate_table_size; rate++) {

		for (rate = 0; rate < size; rate++) {

			if (ath_rc_priv->state[rate].rssi_thres >

			    rate_table->info[rate].rssi_ack_validmin)

				ath_rc_priv->state[rate].rssi_thres -= 1;
@@ -1225,13 +1214,33 @@ static void ath_rc_update_ht(struct ath_softc *sc, 
	 * and PER (different for CCK and OFDM). */

	if (now_msec - ath_rc_priv->per_down_time >=

	    rate_table->rssi_reduce_interval) {

		for (rate = 0; rate < ath_rc_priv->rate_table_size; rate++) {

		for (rate = 0; rate < size; rate++) {

			ath_rc_priv->state[rate].per =

				7 * ath_rc_priv->state[rate].per / 8;

		}



		ath_rc_priv->per_down_time = now_msec;

	}



#undef CHK_RSSI

}



static int ath_rc_get_rateindex(struct ath_rate_table *rate_table,

				struct ieee80211_tx_rate *rate)

{

	int rix;



	if ((rate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH) &&

	    (rate->flags & IEEE80211_TX_RC_SHORT_GI))

		rix = rate_table->info[rate->idx].ht_index;

	else if (rate->flags & IEEE80211_TX_RC_SHORT_GI)

		rix = rate_table->info[rate->idx].sgi_index;

	else if (rate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH)

		rix = rate_table->info[rate->idx].cw40index;

	else

		rix = rate_table->info[rate->idx].base_index;



	return rix;

}



static void ath_rc_tx_status(struct ath_softc *sc,
@@ -1243,7 +1252,7 @@ static void ath_rc_tx_status(struct ath_softc *sc, 
	struct ath_rate_table *rate_table;

	struct ieee80211_tx_rate *rates = tx_info->status.rates;

	u8 flags;

	u32 series = 0, rix;

	u32 i = 0, rix;



	rate_table = sc->hw_rate_table[sc->sc_curmode];
@@ -1253,32 +1262,22 @@ static void ath_rc_tx_status(struct ath_softc *sc, 
	 */

	if (final_ts_idx != 0) {

		/* Process intermediate rates that failed.*/

		for (series = 0; series < final_ts_idx ; series++) {

			if (rates[series].count != 0 && (rates[series].idx >= 0)) {

				flags = rates[series].flags;

		for (i = 0; i < final_ts_idx ; i++) {

			if (rates[i].count != 0 && (rates[i].idx >= 0)) {

				flags = rates[i].flags;



				/* If HT40 and we have switched mode from

				 * 40 to 20 => don't update */



				if ((flags & IEEE80211_TX_RC_40_MHZ_WIDTH) &&

				    (ath_rc_priv->rc_phy_mode != WLAN_RC_40_FLAG))

					return;



				if ((flags & IEEE80211_TX_RC_40_MHZ_WIDTH) &&

					(flags & IEEE80211_TX_RC_SHORT_GI))

					rix = rate_table->info[

						rates[series].idx].ht_index;

				else if (flags & IEEE80211_TX_RC_SHORT_GI)

					rix = rate_table->info[

						rates[series].idx].sgi_index;

				else if (flags & IEEE80211_TX_RC_40_MHZ_WIDTH)

					rix = rate_table->info[

						rates[series].idx].cw40index;

				else

					rix = rate_table->info[

						rates[series].idx].base_index;

				rix = ath_rc_get_rateindex(rate_table, &rates[i]);

				ath_rc_update_ht(sc, ath_rc_priv,

						tx_info_priv, rix,

						xretries ? 1 : 2,

						rates[series].count);

						rates[i].count);

			}

		}

	} else {
@@ -1292,22 +1291,15 @@ static void ath_rc_tx_status(struct ath_softc *sc, 
			xretries = 2;

	}



	flags = rates[series].flags;

	flags = rates[i].flags;



	/* If HT40 and we have switched mode from 40 to 20 => don't update */

	if ((flags & IEEE80211_TX_RC_40_MHZ_WIDTH) &&

	    (ath_rc_priv->rc_phy_mode != WLAN_RC_40_FLAG)) {

		return;

	}



	if ((flags & IEEE80211_TX_RC_40_MHZ_WIDTH) && (flags & IEEE80211_TX_RC_SHORT_GI))

		rix = rate_table->info[rates[series].idx].ht_index;

	else if (flags & IEEE80211_TX_RC_SHORT_GI)

		rix = rate_table->info[rates[series].idx].sgi_index;

	else if (flags & IEEE80211_TX_RC_40_MHZ_WIDTH)

		rix = rate_table->info[rates[series].idx].cw40index;

	else

		rix = rate_table->info[rates[series].idx].base_index;



	rix = ath_rc_get_rateindex(rate_table, &rates[i]);

	ath_rc_update_ht(sc, ath_rc_priv, tx_info_priv, rix,

			 xretries, long_retry);

}
@@ -1362,14 +1354,14 @@ static void ath_rc_init(struct ath_softc *sc, 


	if (!rateset->rs_nrates) {

		/* No working rate, just initialize valid rates */

		hi = ath_rc_sib_init_validrates(ath_rc_priv, rate_table,

		hi = ath_rc_init_validrates(ath_rc_priv, rate_table,

						ath_rc_priv->ht_cap);

	} else {

		/* Use intersection of working rates and valid rates */

		hi = ath_rc_sib_setvalid_rates(ath_rc_priv, rate_table,

		hi = ath_rc_setvalid_rates(ath_rc_priv, rate_table,

					       rateset, ath_rc_priv->ht_cap);

		if (ath_rc_priv->ht_cap & WLAN_RC_HT_FLAG) {

			hthi = ath_rc_sib_setvalid_htrates(ath_rc_priv,

			hthi = ath_rc_setvalid_htrates(ath_rc_priv,

							   rate_table,

							   ht_mcs,

							   ath_rc_priv->ht_cap);

drivers/net/wireless/ath9k/rc.h

+5 −0
Original line number Diff line number Diff line
@@ -27,6 +27,11 @@ struct ath_softc; 
#define RATE_TABLE_SIZE  64

#define MAX_TX_RATE_PHY  48



/* VALID_ALL - valid for 20/40/Legacy,

 * VALID - Legacy only,

 * VALID_20 - HT 20 only,

 * VALID_40 - HT 40 only */



#define INVALID    0x0

#define VALID      0x1

#define VALID_20   0x2