diff options
author | Dave Airlie <airlied@redhat.com> | 2009-03-28 20:22:18 -0400 |
---|---|---|
committer | Dave Airlie <airlied@redhat.com> | 2009-03-28 20:22:18 -0400 |
commit | 90f959bcb386da2c71613dcefc6a285e054a539e (patch) | |
tree | ee3e9dd4111d4aad12e579cb0c2c159114dff263 /drivers/net/wireless/ath9k/rc.c | |
parent | 41f13fe81dd1b08723ab9f3fc3c7f29cfa81f1a5 (diff) | |
parent | 07d43ba98621f08e252a48c96b258b4d572b0257 (diff) |
drm: merge Linux master into HEAD
Conflicts:
drivers/gpu/drm/drm_info.c
drivers/gpu/drm/drm_proc.c
drivers/gpu/drm/i915/i915_gem_debugfs.c
Diffstat (limited to 'drivers/net/wireless/ath9k/rc.c')
-rw-r--r-- | drivers/net/wireless/ath9k/rc.c | 350 |
1 files changed, 218 insertions, 132 deletions
diff --git a/drivers/net/wireless/ath9k/rc.c b/drivers/net/wireless/ath9k/rc.c index 1b71b934bb5..824ccbb8b7b 100644 --- a/drivers/net/wireless/ath9k/rc.c +++ b/drivers/net/wireless/ath9k/rc.c @@ -1,6 +1,6 @@ /* * Copyright (c) 2004 Video54 Technologies, Inc. - * Copyright (c) 2004-2008 Atheros Communications, Inc. + * Copyright (c) 2004-2009 Atheros Communications, Inc. * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above @@ -15,16 +15,15 @@ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ -#include "core.h" +#include "ath9k.h" static struct ath_rate_table ar5416_11na_ratetable = { 42, - {0}, { { VALID, VALID, WLAN_RC_PHY_OFDM, 6000, /* 6 Mb */ 5400, 0x0b, 0x00, 12, 0, 2, 1, 0, 0, 0, 0, 0 }, - { VALID, VALID, WLAN_RC_PHY_OFDM, 9000, /* 9 Mb */ + { VALID, VALID, WLAN_RC_PHY_OFDM, 9000, /* 9 Mb */ 7800, 0x0f, 0x00, 18, 0, 3, 1, 1, 1, 1, 1, 0 }, { VALID, VALID, WLAN_RC_PHY_OFDM, 12000, /* 12 Mb */ @@ -158,7 +157,6 @@ static struct ath_rate_table ar5416_11na_ratetable = { static struct ath_rate_table ar5416_11ng_ratetable = { 46, - {0}, { { VALID_ALL, VALID_ALL, WLAN_RC_PHY_CCK, 1000, /* 1 Mb */ 900, 0x1b, 0x00, 2, @@ -306,7 +304,6 @@ static struct ath_rate_table ar5416_11ng_ratetable = { static struct ath_rate_table ar5416_11a_ratetable = { 8, - {0}, { { VALID, VALID, WLAN_RC_PHY_OFDM, 6000, /* 6 Mb */ 5400, 0x0b, 0x00, (0x80|12), @@ -340,7 +337,6 @@ static struct ath_rate_table ar5416_11a_ratetable = { static struct ath_rate_table ar5416_11g_ratetable = { 12, - {0}, { { VALID, VALID, WLAN_RC_PHY_CCK, 1000, /* 1 Mb */ 900, 0x1b, 0x00, 2, @@ -386,7 +382,6 @@ static struct ath_rate_table ar5416_11g_ratetable = { static struct ath_rate_table ar5416_11b_ratetable = { 4, - {0}, { { VALID, VALID, WLAN_RC_PHY_CCK, 1000, /* 1 Mb */ 900, 0x1b, 0x00, (0x80|2), @@ -636,8 +631,7 @@ static u8 ath_rc_setvalid_htrates(struct ath_rate_priv *ath_rc_priv, static u8 ath_rc_ratefind_ht(struct ath_softc *sc, struct ath_rate_priv *ath_rc_priv, struct ath_rate_table *rate_table, - int probe_allowed, int *is_probing, - int is_retry) + int *is_probing) { u32 dt, best_thruput, this_thruput, now_msec; u8 rate, next_rate, best_rate, maxindex, minindex; @@ -719,13 +713,6 @@ static u8 ath_rc_ratefind_ht(struct ath_softc *sc, } rate = best_rate; - - /* if we are retrying for more than half the number - * of max retries, use the min rate for the next retry - */ - if (is_retry) - rate = ath_rc_priv->valid_rate_index[minindex]; - ath_rc_priv->rssi_last_lookup = rssi_last; /* @@ -733,13 +720,12 @@ static u8 ath_rc_ratefind_ht(struct ath_softc *sc, * non-monoticity of 11g's rate table */ - if (rate >= ath_rc_priv->rate_max_phy && probe_allowed) { + if (rate >= ath_rc_priv->rate_max_phy) { rate = ath_rc_priv->rate_max_phy; /* Probe the next allowed phy state */ - /* FIXME:XXXX Check to make sure ratMax is checked properly */ if (ath_rc_get_nextvalid_txrate(rate_table, - ath_rc_priv, rate, &next_rate) && + ath_rc_priv, rate, &next_rate) && (now_msec - ath_rc_priv->probe_time > rate_table->probe_interval) && (ath_rc_priv->hw_maxretry_pktcnt >= 1)) { @@ -761,14 +747,17 @@ static u8 ath_rc_ratefind_ht(struct ath_softc *sc, return rate; } -static void ath_rc_rate_set_series(struct ath_rate_table *rate_table , +static void ath_rc_rate_set_series(struct ath_rate_table *rate_table, struct ieee80211_tx_rate *rate, + struct ieee80211_tx_rate_control *txrc, u8 tries, u8 rix, int rtsctsenable) { rate->count = tries; rate->idx = rix; - if (rtsctsenable) + if (txrc->short_preamble) + rate->flags |= IEEE80211_TX_RC_USE_SHORT_PREAMBLE; + if (txrc->rts || rtsctsenable) rate->flags |= IEEE80211_TX_RC_USE_RTS_CTS; if (WLAN_RC_PHY_40(rate_table->info[rix].phy)) rate->flags |= IEEE80211_TX_RC_40_MHZ_WIDTH; @@ -778,6 +767,43 @@ static void ath_rc_rate_set_series(struct ath_rate_table *rate_table , rate->flags |= IEEE80211_TX_RC_MCS; } +static void ath_rc_rate_set_rtscts(struct ath_softc *sc, + struct ath_rate_table *rate_table, + struct ieee80211_tx_info *tx_info) +{ + struct ieee80211_tx_rate *rates = tx_info->control.rates; + int i = 0, rix = 0, cix, enable_g_protection = 0; + + /* get the cix for the lowest valid rix */ + for (i = 3; i >= 0; i--) { + if (rates[i].count && (rates[i].idx >= 0)) { + rix = rates[i].idx; + break; + } + } + cix = rate_table->info[rix].ctrl_rate; + + /* All protection frames are transmited at 2Mb/s for 802.11g, + * otherwise we transmit them at 1Mb/s */ + if (sc->hw->conf.channel->band == IEEE80211_BAND_2GHZ && + !conf_is_ht(&sc->hw->conf)) + enable_g_protection = 1; + + /* + * If 802.11g protection is enabled, determine whether to use RTS/CTS or + * just CTS. Note that this is only done for OFDM/HT unicast frames. + */ + if ((sc->sc_flags & SC_OP_PROTECT_ENABLE) && + !(tx_info->flags & IEEE80211_TX_CTL_NO_ACK) && + (rate_table->info[rix].phy == WLAN_RC_PHY_OFDM || + WLAN_RC_PHY_HT(rate_table->info[rix].phy))) { + rates[0].flags |= IEEE80211_TX_RC_USE_CTS_PROTECT; + cix = rate_table->info[enable_g_protection].ctrl_rate; + } + + tx_info->control.rts_cts_rate_idx = cix; +} + static u8 ath_rc_rate_getidx(struct ath_softc *sc, struct ath_rate_priv *ath_rc_priv, struct ath_rate_table *rate_table, @@ -809,54 +835,58 @@ static u8 ath_rc_rate_getidx(struct ath_softc *sc, static void ath_rc_ratefind(struct ath_softc *sc, struct ath_rate_priv *ath_rc_priv, - int num_tries, int num_rates, - struct ieee80211_tx_info *tx_info, int *is_probe, - int is_retry) + struct ieee80211_tx_rate_control *txrc) { - u8 try_per_rate = 0, i = 0, rix, nrix; struct ath_rate_table *rate_table; + struct sk_buff *skb = txrc->skb; + struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb); struct ieee80211_tx_rate *rates = tx_info->control.rates; + struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; + __le16 fc = hdr->frame_control; + u8 try_per_rate = 0, i = 0, rix, nrix; + int is_probe = 0; rate_table = sc->cur_rate_table; - rix = ath_rc_ratefind_ht(sc, ath_rc_priv, rate_table, 1, - is_probe, is_retry); + rix = ath_rc_ratefind_ht(sc, ath_rc_priv, rate_table, &is_probe); nrix = rix; - if (*is_probe) { + if (is_probe) { /* set one try for probe rates. For the * probes don't enable rts */ - ath_rc_rate_set_series(rate_table, - &rates[i++], 1, nrix, 0); + ath_rc_rate_set_series(rate_table, &rates[i++], txrc, + 1, nrix, 0); - try_per_rate = (num_tries/num_rates); + try_per_rate = (ATH_11N_TXMAXTRY/4); /* Get the next tried/allowed rate. No RTS for the next series * after the probe rate */ - nrix = ath_rc_rate_getidx(sc, - ath_rc_priv, rate_table, nrix, 1, 0); - ath_rc_rate_set_series(rate_table, - &rates[i++], try_per_rate, nrix, 0); + nrix = ath_rc_rate_getidx(sc, ath_rc_priv, + rate_table, nrix, 1, 0); + ath_rc_rate_set_series(rate_table, &rates[i++], txrc, + try_per_rate, nrix, 0); + + tx_info->flags |= IEEE80211_TX_CTL_RATE_CTRL_PROBE; } else { - try_per_rate = (num_tries/num_rates); + try_per_rate = (ATH_11N_TXMAXTRY/4); /* Set the choosen rate. No RTS for first series entry. */ - ath_rc_rate_set_series(rate_table, - &rates[i++], try_per_rate, nrix, 0); + ath_rc_rate_set_series(rate_table, &rates[i++], txrc, + try_per_rate, nrix, 0); } /* Fill in the other rates for multirate retry */ - for ( ; i < num_rates; i++) { + for ( ; i < 4; i++) { u8 try_num; u8 min_rate; - try_num = ((i + 1) == num_rates) ? - num_tries - (try_per_rate * i) : try_per_rate ; - min_rate = (((i + 1) == num_rates) && 0); + try_num = ((i + 1) == 4) ? + ATH_11N_TXMAXTRY - (try_per_rate * i) : try_per_rate ; + min_rate = (((i + 1) == 4) && 0); nrix = ath_rc_rate_getidx(sc, ath_rc_priv, rate_table, nrix, 1, min_rate); /* All other rates in the series have RTS enabled */ - ath_rc_rate_set_series(rate_table, - &rates[i], try_num, nrix, 1); + ath_rc_rate_set_series(rate_table, &rates[i], txrc, + try_num, nrix, 1); } /* @@ -875,7 +905,7 @@ static void ath_rc_ratefind(struct ath_softc *sc, * above conditions. */ if ((sc->hw->conf.channel->band == IEEE80211_BAND_2GHZ) && - (sc->hw->conf.ht.enabled)) { + (conf_is_ht(&sc->hw->conf))) { u8 dot11rate = rate_table->info[rix].dot11rate; u8 phy = rate_table->info[rix].phy; if (i == 4 && @@ -885,6 +915,24 @@ static void ath_rc_ratefind(struct ath_softc *sc, rates[3].flags = rates[2].flags; } } + + /* + * Force hardware to use computed duration for next + * fragment by disabling multi-rate retry, which + * updates duration based on the multi-rate duration table. + * + * FIXME: Fix duration + */ + if (!(tx_info->flags & IEEE80211_TX_CTL_NO_ACK) && + (ieee80211_has_morefrags(fc) || + (le16_to_cpu(hdr->seq_ctrl) & IEEE80211_SCTL_FRAG))) { + rates[1].count = rates[2].count = rates[3].count = 0; + rates[1].idx = rates[2].idx = rates[3].idx = 0; + rates[0].count = ATH_TXMAXTRY; + } + + /* Setup RTS/CTS */ + ath_rc_rate_set_rtscts(sc, rate_table, tx_info); } static bool ath_rc_update_per(struct ath_softc *sc, @@ -1221,6 +1269,9 @@ static void ath_rc_update_ht(struct ath_softc *sc, ath_rc_priv->per_down_time = now_msec; } + ath_debug_stat_retries(sc, tx_rate, xretries, retries, + ath_rc_priv->state[tx_rate].per); + #undef CHK_RSSI } @@ -1338,36 +1389,18 @@ static struct ath_rate_table *ath_choose_rate_table(struct ath_softc *sc, static void ath_rc_init(struct ath_softc *sc, struct ath_rate_priv *ath_rc_priv, struct ieee80211_supported_band *sband, - struct ieee80211_sta *sta) + struct ieee80211_sta *sta, + struct ath_rate_table *rate_table) { - struct ath_rate_table *rate_table = NULL; struct ath_rateset *rateset = &ath_rc_priv->neg_rates; u8 *ht_mcs = (u8 *)&ath_rc_priv->neg_ht_rates; u8 i, j, k, hi = 0, hthi = 0; - /* FIXME: Adhoc */ - if ((sc->sc_ah->ah_opmode == NL80211_IFTYPE_STATION) || - (sc->sc_ah->ah_opmode == NL80211_IFTYPE_ADHOC)) { - bool is_cw_40 = sta->ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40; - rate_table = ath_choose_rate_table(sc, sband->band, - sta->ht_cap.ht_supported, - is_cw_40); - } else if (sc->sc_ah->ah_opmode == NL80211_IFTYPE_AP) { - /* cur_rate_table would be set on init through config() */ - rate_table = sc->cur_rate_table; - } - if (!rate_table) { DPRINTF(sc, ATH_DBG_FATAL, "Rate table not initialized\n"); return; } - if (sta->ht_cap.ht_supported) { - ath_rc_priv->ht_cap = (WLAN_RC_HT_FLAG | WLAN_RC_DS_FLAG); - if (sta->ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40) - ath_rc_priv->ht_cap |= WLAN_RC_40_FLAG; - } - /* Initial rate table size. Will change depending * on the working rate set */ ath_rc_priv->rate_table_size = RATE_TABLE_SIZE; @@ -1387,7 +1420,7 @@ static void ath_rc_init(struct ath_softc *sc, ath_rc_priv->valid_phy_rateidx[i][j] = 0; ath_rc_priv->valid_phy_ratecnt[i] = 0; } - ath_rc_priv->rc_phy_mode = (ath_rc_priv->ht_cap & WLAN_RC_40_FLAG); + ath_rc_priv->rc_phy_mode = ath_rc_priv->ht_cap & WLAN_RC_40_FLAG; /* Set stream capability */ ath_rc_priv->single_stream = (ath_rc_priv->ht_cap & WLAN_RC_DS_FLAG) ? 0 : 1; @@ -1395,16 +1428,16 @@ static void ath_rc_init(struct ath_softc *sc, if (!rateset->rs_nrates) { /* No working rate, just initialize valid rates */ hi = ath_rc_init_validrates(ath_rc_priv, rate_table, - ath_rc_priv->ht_cap); + ath_rc_priv->ht_cap); } else { /* Use intersection of working rates and valid rates */ hi = ath_rc_setvalid_rates(ath_rc_priv, rate_table, - rateset, ath_rc_priv->ht_cap); + rateset, ath_rc_priv->ht_cap); if (ath_rc_priv->ht_cap & WLAN_RC_HT_FLAG) { hthi = ath_rc_setvalid_htrates(ath_rc_priv, - rate_table, - ht_mcs, - ath_rc_priv->ht_cap); + rate_table, + ht_mcs, + ath_rc_priv->ht_cap); } hi = A_MAX(hi, hthi); } @@ -1432,9 +1465,36 @@ static void ath_rc_init(struct ath_softc *sc, ath_rc_sort_validrates(rate_table, ath_rc_priv); ath_rc_priv->rate_max_phy = ath_rc_priv->valid_rate_index[k-4]; sc->cur_rate_table = rate_table; + + DPRINTF(sc, ATH_DBG_CONFIG, "RC Initialized with capabilities: 0x%x\n", + ath_rc_priv->ht_cap); +} + +static u8 ath_rc_build_ht_caps(struct ath_softc *sc, struct ieee80211_sta *sta, + bool is_cw40, bool is_sgi40) +{ + u8 caps = 0; + + if (sta->ht_cap.ht_supported) { + caps = WLAN_RC_HT_FLAG; + if (sc->sc_ah->caps.tx_chainmask != 1 && + ath9k_hw_getcapability(sc->sc_ah, ATH9K_CAP_DS, 0, NULL)) { + if (sta->ht_cap.mcs.rx_mask[1]) + caps |= WLAN_RC_DS_FLAG; + } + if (is_cw40) + caps |= WLAN_RC_40_FLAG; + if (is_sgi40) + caps |= WLAN_RC_SGI_FLAG; + } + + return caps; } -/* Rate Control callbacks */ +/***********************************/ +/* mac80211 Rate Control callbacks */ +/***********************************/ + static void ath_tx_status(void *priv, struct ieee80211_supported_band *sband, struct ieee80211_sta *sta, void *priv_sta, struct sk_buff *skb) @@ -1467,7 +1527,7 @@ static void ath_tx_status(void *priv, struct ieee80211_supported_band *sband, */ if (tx_info_priv->tx.ts_flags & (ATH9K_TX_DATA_UNDERRUN | ATH9K_TX_DELIM_UNDERRUN) && - ((sc->sc_ah->ah_txTrigLevel) >= ath_rc_priv->tx_triglevel_max)) { + ((sc->sc_ah->tx_trig_level) >= ath_rc_priv->tx_triglevel_max)) { tx_status = 1; is_underrun = 1; } @@ -1480,6 +1540,23 @@ static void ath_tx_status(void *priv, struct ieee80211_supported_band *sband, (is_underrun) ? ATH_11N_TXMAXTRY : tx_info_priv->tx.ts_longretry); + /* Check if aggregation has to be enabled for this tid */ + if (conf_is_ht(&sc->hw->conf) && + !(skb->protocol == cpu_to_be16(ETH_P_PAE))) { + if (ieee80211_is_data_qos(fc)) { + u8 *qc, tid; + struct ath_node *an; + + qc = ieee80211_get_qos_ctl(hdr); + tid = qc[0] & 0xf; + an = (struct ath_node *)sta->drv_priv; + + if(ath_tx_aggr_check(sc, an, tid)) + ieee80211_start_tx_ba_session(sc->hw, hdr->addr1, tid); + } + } + + ath_debug_stat_rc(sc, skb); exit: kfree(tx_info_priv); } @@ -1490,11 +1567,9 @@ static void ath_get_rate(void *priv, struct ieee80211_sta *sta, void *priv_sta, struct ieee80211_supported_band *sband = txrc->sband; struct sk_buff *skb = txrc->skb; struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; + struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb); struct ath_softc *sc = priv; - struct ieee80211_hw *hw = sc->hw; struct ath_rate_priv *ath_rc_priv = priv_sta; - struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb); - int is_probe = 0; __le16 fc = hdr->frame_control; /* lowest rate for management and multicast/broadcast frames */ @@ -1507,23 +1582,7 @@ static void ath_get_rate(void *priv, struct ieee80211_sta *sta, void *priv_sta, } /* Find tx rate for unicast frames */ - ath_rc_ratefind(sc, ath_rc_priv, ATH_11N_TXMAXTRY, 4, - tx_info, &is_probe, false); - - /* Check if aggregation has to be enabled for this tid */ - if (hw->conf.ht.enabled) { - if (ieee80211_is_data_qos(fc)) { - u8 *qc, tid; - struct ath_node *an; - - qc = ieee80211_get_qos_ctl(hdr); - tid = qc[0] & 0xf; - an = (struct ath_node *)sta->drv_priv; - - if(ath_tx_aggr_check(sc, an, tid)) - ieee80211_start_tx_ba_session(hw, hdr->addr1, tid); - } - } + ath_rc_ratefind(sc, ath_rc_priv, txrc); } static void ath_rate_init(void *priv, struct ieee80211_supported_band *sband, @@ -1531,6 +1590,8 @@ static void ath_rate_init(void *priv, struct ieee80211_supported_band *sband, { struct ath_softc *sc = priv; struct ath_rate_priv *ath_rc_priv = priv_sta; + struct ath_rate_table *rate_table = NULL; + bool is_cw40, is_sgi40; int i, j = 0; for (i = 0; i < sband->n_bitrates; i++) { @@ -1552,12 +1613,71 @@ static void ath_rate_init(void *priv, struct ieee80211_supported_band *sband, ath_rc_priv->neg_ht_rates.rs_nrates = j; } - ath_rc_init(sc, priv_sta, sband, sta); + is_cw40 = sta->ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40; + is_sgi40 = sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_40; + + /* Choose rate table first */ + + if ((sc->sc_ah->opmode == NL80211_IFTYPE_STATION) || + (sc->sc_ah->opmode == NL80211_IFTYPE_MESH_POINT) || + (sc->sc_ah->opmode == NL80211_IFTYPE_ADHOC)) { + rate_table = ath_choose_rate_table(sc, sband->band, + sta->ht_cap.ht_supported, + is_cw40); + } else if (sc->sc_ah->opmode == NL80211_IFTYPE_AP) { + /* cur_rate_table would be set on init through config() */ + rate_table = sc->cur_rate_table; + } + + ath_rc_priv->ht_cap = ath_rc_build_ht_caps(sc, sta, is_cw40, is_sgi40); + ath_rc_init(sc, priv_sta, sband, sta, rate_table); +} + +static void ath_rate_update(void *priv, struct ieee80211_supported_band *sband, + struct ieee80211_sta *sta, void *priv_sta, + u32 changed) +{ + struct ath_softc *sc = priv; + struct ath_rate_priv *ath_rc_priv = priv_sta; + struct ath_rate_table *rate_table = NULL; + bool oper_cw40 = false, oper_sgi40; + bool local_cw40 = (ath_rc_priv->ht_cap & WLAN_RC_40_FLAG) ? + true : false; + bool local_sgi40 = (ath_rc_priv->ht_cap & WLAN_RC_SGI_FLAG) ? + true : false; + + /* FIXME: Handle AP mode later when we support CWM */ + + if (changed & IEEE80211_RC_HT_CHANGED) { + if (sc->sc_ah->opmode != NL80211_IFTYPE_STATION) + return; + + if (sc->hw->conf.channel_type == NL80211_CHAN_HT40MINUS || + sc->hw->conf.channel_type == NL80211_CHAN_HT40PLUS) + oper_cw40 = true; + + oper_sgi40 = (sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_40) ? + true : false; + + if ((local_cw40 != oper_cw40) || (local_sgi40 != oper_sgi40)) { + rate_table = ath_choose_rate_table(sc, sband->band, + sta->ht_cap.ht_supported, + oper_cw40); + ath_rc_priv->ht_cap = ath_rc_build_ht_caps(sc, sta, + oper_cw40, oper_sgi40); + ath_rc_init(sc, priv_sta, sband, sta, rate_table); + + DPRINTF(sc, ATH_DBG_CONFIG, + "Operating HT Bandwidth changed to: %d\n", + sc->hw->conf.channel_type); + } + } } static void *ath_rate_alloc(struct ieee80211_hw *hw, struct dentry *debugfsdir) { - return hw->priv; + struct ath_wiphy *aphy = hw->priv; + return aphy->sc; } static void ath_rate_free(void *priv) @@ -1578,7 +1698,7 @@ static void *ath_rate_alloc_sta(void *priv, struct ieee80211_sta *sta, gfp_t gfp } rate_priv->rssi_down_time = jiffies_to_msecs(jiffies); - rate_priv->tx_triglevel_max = sc->sc_ah->ah_caps.tx_triglevel_max; + rate_priv->tx_triglevel_max = sc->sc_ah->caps.tx_triglevel_max; return rate_priv; } @@ -1596,41 +1716,13 @@ static struct rate_control_ops ath_rate_ops = { .tx_status = ath_tx_status, .get_rate = ath_get_rate, .rate_init = ath_rate_init, + .rate_update = ath_rate_update, .alloc = ath_rate_alloc, .free = ath_rate_free, .alloc_sta = ath_rate_alloc_sta, .free_sta = ath_rate_free_sta, }; -static void ath_setup_rate_table(struct ath_softc *sc, - struct ath_rate_table *rate_table) -{ - int i; - - for (i = 0; i < 256; i++) - rate_table->rateCodeToIndex[i] = (u8)-1; - - for (i = 0; i < rate_table->rate_cnt; i++) { - u8 code = rate_table->info[i].ratecode; - u8 cix = rate_table->info[i].ctrl_rate; - u8 sh = rate_table->info[i].short_preamble; - - rate_table->rateCodeToIndex[code] = i; - rate_table->rateCodeToIndex[code | sh] = i; - - rate_table->info[i].lpAckDuration = - ath9k_hw_computetxtime(sc->sc_ah, rate_table, - WLAN_CTRL_FRAME_SIZE, - cix, - false); - rate_table->info[i].spAckDuration = - ath9k_hw_computetxtime(sc->sc_ah, rate_table, - WLAN_CTRL_FRAME_SIZE, - cix, - true); - } -} - void ath_rate_attach(struct ath_softc *sc) { sc->hw_rate_table[ATH9K_MODE_11B] = @@ -1651,12 +1743,6 @@ void ath_rate_attach(struct ath_softc *sc) &ar5416_11ng_ratetable; sc->hw_rate_table[ATH9K_MODE_11NG_HT40MINUS] = &ar5416_11ng_ratetable; - - ath_setup_rate_table(sc, &ar5416_11b_ratetable); - ath_setup_rate_table(sc, &ar5416_11a_ratetable); - ath_setup_rate_table(sc, &ar5416_11g_ratetable); - ath_setup_rate_table(sc, &ar5416_11na_ratetable); - ath_setup_rate_table(sc, &ar5416_11ng_ratetable); } int ath_rate_control_register(void) |