return ATH9K_KEY_TYPE_CLEAR;
}
-static void setup_rate_retries(struct ath_softc *sc, struct sk_buff *skb)
-{
- struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
- struct ieee80211_tx_rate *rates = tx_info->control.rates;
- struct ieee80211_hdr *hdr;
- __le16 fc;
-
- hdr = (struct ieee80211_hdr *)skb->data;
- fc = hdr->frame_control;
-
- if (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;
- /* reset tries but keep rate index */
- rates[0].count = ATH_TXMAXTRY;
- }
-}
-
/* Called only when tx aggregation is enabled and HT is supported */
static void assign_aggr_tid_seqno(struct sk_buff *skb,
* width - 0 for 20 MHz, 1 for 40 MHz
* half_gi - to use 4us v/s 3.6 us for symbol time
*/
-
static u32 ath_pkt_duration(struct ath_softc *sc, u8 rix, struct ath_buf *bf,
int width, int half_gi, bool shortPreamble)
{
- const struct ath9k_rate_table *rt = sc->sc_currates;
+ struct ath_rate_table *rate_table = sc->hw_rate_table[sc->sc_curmode];
u32 nbits, nsymbits, duration, nsymbols;
u8 rc;
int streams, pktlen;
pktlen = bf_isaggr(bf) ? bf->bf_al : bf->bf_frmlen;
- rc = rt->info[rix].rateCode;
+ rc = rate_table->info[rix].ratecode;
- /*
- * for legacy rates, use old function to compute packet duration
- */
+ /* for legacy rates, use old function to compute packet duration */
if (!IS_HT_RATE(rc))
- return ath9k_hw_computetxtime(sc->sc_ah, rt, pktlen, rix,
- shortPreamble);
- /*
- * find number of symbols: PLCP + data
- */
+ return ath9k_hw_computetxtime(sc->sc_ah, rate_table, pktlen,
+ rix, shortPreamble);
+
+ /* find number of symbols: PLCP + data */
nbits = (pktlen << 3) + OFDM_PLCP_BITS;
nsymbits = bits_per_symbol[HT_RC_2_MCS(rc)][width];
nsymbols = (nbits + nsymbits - 1) / nsymbits;
else
duration = SYMBOL_TIME_HALFGI(nsymbols);
- /*
- * addup duration for legacy/ht training and signal fields
- */
+ /* addup duration for legacy/ht training and signal fields */
streams = HT_RC_2_STREAMS(rc);
duration += L_STF + L_LTF + L_SIG + HT_SIG + HT_STF + HT_LTF(streams);
static void ath_buf_set_rate(struct ath_softc *sc, struct ath_buf *bf)
{
struct ath_hal *ah = sc->sc_ah;
- const struct ath9k_rate_table *rt;
+ struct ath_rate_table *rt;
struct ath_desc *ds = bf->bf_desc;
struct ath_desc *lastds = bf->bf_lastbf->bf_desc;
struct ath9k_11n_rate_series series[4];
- int i, flags, rtsctsena = 0;
- u32 ctsduration = 0;
- u8 rix = 0, cix, ctsrate = 0;
struct ath_node *an = NULL;
struct sk_buff *skb;
struct ieee80211_tx_info *tx_info;
struct ieee80211_tx_rate *rates;
+ struct ieee80211_hdr *hdr;
+ int i, flags, rtsctsena = 0;
+ u32 ctsduration = 0;
+ u8 rix = 0, cix, ctsrate = 0;
+ __le16 fc;
+
+ memset(series, 0, sizeof(struct ath9k_11n_rate_series) * 4);
skb = (struct sk_buff *)bf->bf_mpdu;
+ hdr = (struct ieee80211_hdr *)skb->data;
+ fc = hdr->frame_control;
tx_info = IEEE80211_SKB_CB(skb);
- rates = tx_info->rate_driver_data[0];
+ rates = tx_info->control.rates;
if (tx_info->control.sta)
an = (struct ath_node *)tx_info->control.sta->drv_priv;
- /*
- * get the cix for the lowest valid rix.
- */
- rt = sc->sc_currates;
+ if (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;
+ }
+
+ /* get the cix for the lowest valid rix */
+ rt = sc->hw_rate_table[sc->sc_curmode];
for (i = 3; i >= 0; i--) {
- if (rates[i].count) {
+ if (rates[i].count && (rates[i].idx >= 0)) {
rix = rates[i].idx;
break;
}
}
+
flags = (bf->bf_flags & (ATH9K_TXDESC_RTSENA | ATH9K_TXDESC_CTSENA));
- cix = rt->info[rix].controlRate;
+ cix = rt->info[rix].ctrl_rate;
/*
- * 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 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_protmode != PROT_M_NONE &&
- (rt->info[rix].phy == PHY_OFDM ||
- rt->info[rix].phy == PHY_HT) &&
- (bf->bf_flags & ATH9K_TXDESC_NOACK) == 0) {
+ if (sc->sc_protmode != PROT_M_NONE && !(bf->bf_flags & ATH9K_TXDESC_NOACK)
+ && (rt->info[rix].phy == WLAN_PHY_OFDM ||
+ WLAN_RC_PHY_HT(rt->info[rix].phy))) {
if (sc->sc_protmode == PROT_M_RTSCTS)
flags = ATH9K_TXDESC_RTSENA;
else if (sc->sc_protmode == PROT_M_CTSONLY)
flags = ATH9K_TXDESC_CTSENA;
- cix = rt->info[sc->sc_protrix].controlRate;
+ cix = rt->info[sc->sc_protrix].ctrl_rate;
rtsctsena = 1;
}
- /* For 11n, the default behavior is to enable RTS for
- * hw retried frames. We enable the global flag here and
- * let rate series flags determine which rates will actually
- * use RTS.
+ /* For 11n, the default behavior is to enable RTS for hw retried frames.
+ * We enable the global flag here and let rate series flags determine
+ * which rates will actually use RTS.
*/
if ((ah->ah_caps.hw_caps & ATH9K_HW_CAP_HT) && bf_isdata(bf)) {
- /*
- * 802.11g protection not needed, use our default behavior
- */
+ /* 802.11g protection not needed, use our default behavior */
if (!rtsctsena)
flags = ATH9K_TXDESC_RTSENA;
}
- /*
- * Set protection if aggregate protection on
- */
+ /* Set protection if aggregate protection on */
if (sc->sc_config.ath_aggr_prot &&
(!bf_isaggr(bf) || (bf_isaggr(bf) && bf->bf_al < 8192))) {
flags = ATH9K_TXDESC_RTSENA;
- cix = rt->info[sc->sc_protrix].controlRate;
+ cix = rt->info[sc->sc_protrix].ctrl_rate;
rtsctsena = 1;
}
- /*
- * For AR5416 - RTS cannot be followed by a frame larger than 8K.
- */
- if (bf_isaggr(bf) && (bf->bf_al > ah->ah_caps.rts_aggr_limit)) {
- /*
- * Ensure that in the case of SM Dynamic power save
- * while we are bursting the second aggregate the
- * RTS is cleared.
- */
+ /* For AR5416 - RTS cannot be followed by a frame larger than 8K */
+ if (bf_isaggr(bf) && (bf->bf_al > ah->ah_caps.rts_aggr_limit))
flags &= ~(ATH9K_TXDESC_RTSENA);
- }
-
- /*
- * CTS transmit rate is derived from the transmit rate
- * by looking in the h/w rate table. We must also factor
- * in whether or not a short preamble is to be used.
- * NB: cix is set above where RTS/CTS is enabled
- */
- BUG_ON(cix == 0xff);
- ctsrate = rt->info[cix].rateCode |
- (bf_isshpreamble(bf) ? rt->info[cix].shortPreamble : 0);
/*
- * Setup HAL rate series
+ * CTS transmit rate is derived from the transmit rate by looking in the
+ * h/w rate table. We must also factor in whether or not a short
+ * preamble is to be used. NB: cix is set above where RTS/CTS is enabled
*/
- memset(series, 0, sizeof(struct ath9k_11n_rate_series) * 4);
+ ctsrate = rt->info[cix].ratecode |
+ (bf_isshpreamble(bf) ? rt->info[cix].short_preamble : 0);
for (i = 0; i < 4; i++) {
- if (!rates[i].count)
+ if (!rates[i].count || (rates[i].idx < 0))
continue;
rix = rates[i].idx;
- series[i].Rate = rt->info[rix].rateCode |
- (bf_isshpreamble(bf) ? rt->info[rix].shortPreamble : 0);
+ series[i].Rate = rt->info[rix].ratecode |
+ (bf_isshpreamble(bf) ? rt->info[rix].short_preamble : 0);
series[i].Tries = rates[i].count;
series[i].RateFlags |= ATH9K_RATESERIES_RTS_CTS;
}
- /*
- * set dur_update_en for l-sig computation except for PS-Poll frames
- */
- ath9k_hw_set11n_ratescenario(ah, ds, lastds,
- !bf_ispspoll(bf),
- ctsrate,
- ctsduration,
+ /* set dur_update_en for l-sig computation except for PS-Poll frames */
+ ath9k_hw_set11n_ratescenario(ah, ds, lastds, !bf_ispspoll(bf),
+ ctsrate, ctsduration,
series, 4, flags);
if (sc->sc_config.ath_aggr_prot && flags)
* Function to send a normal HT (non-AMPDU) frame
* NB: must be called with txq lock held
*/
-
static int ath_tx_send_normal(struct ath_softc *sc,
struct ath_txq *txq,
struct ath_atx_tid *tid,
struct ath_atx_tid *tid)
{
struct ath_rate_table *rate_table = sc->hw_rate_table[sc->sc_curmode];
- const struct ath9k_rate_table *rt = sc->sc_currates;
struct sk_buff *skb;
struct ieee80211_tx_info *tx_info;
struct ieee80211_tx_rate *rates;
for (i = 0; i < 4; i++) {
if (rates[i].count) {
- if (rt->info[rates[i].idx].phy != PHY_HT) {
+ if (!WLAN_RC_PHY_HT(rate_table->info[rates[i].idx].phy)) {
legacy = 1;
break;
}
struct ath_buf *bf,
u16 frmlen)
{
- const struct ath9k_rate_table *rt = sc->sc_currates;
+ struct ath_rate_table *rt = sc->hw_rate_table[sc->sc_curmode];
struct sk_buff *skb = bf->bf_mpdu;
struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
u32 nsymbits, nsymbols, mpdudensity;
rix = tx_info->control.rates[0].idx;
flags = tx_info->control.rates[0].flags;
- rc = rt->info[rix].rateCode;
+ rc = rt->info[rix].ratecode;
width = (flags & IEEE80211_TX_RC_40_MHZ_WIDTH) ? 1 : 0;
half_gi = (flags & IEEE80211_TX_RC_SHORT_GI) ? 1 : 0;
bf->bf_keyix = ATH9K_TXKEYIX_INVALID;
}
- /* Rate series */
-
- setup_rate_retries(sc, skb);
-
/* Assign seqno, tidno */
if (bf_isht(bf) && (sc->sc_flags & SC_OP_TXAGGR))
projects / firefly-linux-kernel-4.4.55.git / blobdiff