diff options
Diffstat (limited to 'drivers/net/wireless/ath/ath9k/htc_drv_beacon.c')
-rw-r--r-- | drivers/net/wireless/ath/ath9k/htc_drv_beacon.c | 39 |
1 files changed, 12 insertions, 27 deletions
diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_beacon.c b/drivers/net/wireless/ath/ath9k/htc_drv_beacon.c index e0c03bd64182..8b5757734596 100644 --- a/drivers/net/wireless/ath/ath9k/htc_drv_beacon.c +++ b/drivers/net/wireless/ath/ath9k/htc_drv_beacon.c @@ -70,11 +70,11 @@ static void ath9k_htc_beacon_config_sta(struct ath9k_htc_priv *priv, struct ath9k_beacon_state bs; enum ath9k_int imask = 0; int dtimperiod, dtimcount, sleepduration; - int cfpperiod, cfpcount, bmiss_timeout; + int bmiss_timeout; u32 nexttbtt = 0, intval, tsftu; __be32 htc_imask = 0; u64 tsf; - int num_beacons, offset, dtim_dec_count, cfp_dec_count; + int num_beacons, offset, dtim_dec_count; int ret __attribute__ ((unused)); u8 cmd_rsp; @@ -84,7 +84,7 @@ static void ath9k_htc_beacon_config_sta(struct ath9k_htc_priv *priv, bmiss_timeout = (ATH_DEFAULT_BMISS_LIMIT * bss_conf->beacon_interval); /* - * Setup dtim and cfp parameters according to + * Setup dtim parameters according to * last beacon we received (which may be none). */ dtimperiod = bss_conf->dtim_period; @@ -93,8 +93,6 @@ static void ath9k_htc_beacon_config_sta(struct ath9k_htc_priv *priv, dtimcount = 1; if (dtimcount >= dtimperiod) /* NB: sanity check */ dtimcount = 0; - cfpperiod = 1; /* NB: no PCF support yet */ - cfpcount = 0; sleepduration = intval; if (sleepduration <= 0) @@ -102,7 +100,7 @@ static void ath9k_htc_beacon_config_sta(struct ath9k_htc_priv *priv, /* * Pull nexttbtt forward to reflect the current - * TSF and calculate dtim+cfp state for the result. + * TSF and calculate dtim state for the result. */ tsf = ath9k_hw_gettsf64(priv->ah); tsftu = TSF_TO_TU(tsf>>32, tsf) + FUDGE; @@ -115,26 +113,14 @@ static void ath9k_htc_beacon_config_sta(struct ath9k_htc_priv *priv, /* DTIM Beacon every dtimperiod Beacon */ dtim_dec_count = num_beacons % dtimperiod; - /* CFP every cfpperiod DTIM Beacon */ - cfp_dec_count = (num_beacons / dtimperiod) % cfpperiod; - if (dtim_dec_count) - cfp_dec_count++; - dtimcount -= dtim_dec_count; if (dtimcount < 0) dtimcount += dtimperiod; - cfpcount -= cfp_dec_count; - if (cfpcount < 0) - cfpcount += cfpperiod; - - bs.bs_intval = intval; - bs.bs_nexttbtt = nexttbtt; - bs.bs_dtimperiod = dtimperiod*intval; - bs.bs_nextdtim = bs.bs_nexttbtt + dtimcount*intval; - bs.bs_cfpperiod = cfpperiod*bs.bs_dtimperiod; - bs.bs_cfpnext = bs.bs_nextdtim + cfpcount*bs.bs_dtimperiod; - bs.bs_cfpmaxduration = 0; + bs.bs_intval = TU_TO_USEC(intval); + bs.bs_nexttbtt = TU_TO_USEC(nexttbtt); + bs.bs_dtimperiod = dtimperiod * bs.bs_intval; + bs.bs_nextdtim = bs.bs_nexttbtt + dtimcount * bs.bs_intval; /* * Calculate the number of consecutive beacons to miss* before taking @@ -161,7 +147,8 @@ static void ath9k_htc_beacon_config_sta(struct ath9k_htc_priv *priv, * XXX fixed at 100ms */ - bs.bs_sleepduration = roundup(IEEE80211_MS_TO_TU(100), sleepduration); + bs.bs_sleepduration = TU_TO_USEC(roundup(IEEE80211_MS_TO_TU(100), + sleepduration)); if (bs.bs_sleepduration > bs.bs_dtimperiod) bs.bs_sleepduration = bs.bs_dtimperiod; @@ -170,10 +157,8 @@ static void ath9k_htc_beacon_config_sta(struct ath9k_htc_priv *priv, ath_dbg(common, CONFIG, "intval: %u tsf: %llu tsftu: %u\n", intval, tsf, tsftu); - ath_dbg(common, CONFIG, - "bmiss: %u sleep: %u cfp-period: %u maxdur: %u next: %u\n", - bs.bs_bmissthreshold, bs.bs_sleepduration, - bs.bs_cfpperiod, bs.bs_cfpmaxduration, bs.bs_cfpnext); + ath_dbg(common, CONFIG, "bmiss: %u sleep: %u\n", + bs.bs_bmissthreshold, bs.bs_sleepduration); /* Set the computed STA beacon timers */ |