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ath9k: Few clean ups in beacon config parameters

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Some minor clean ups in assigning values to beacon config parameters

Signed-off-by: Mohammed Shafi Shajakhan <mshajakhan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Mohammed Shafi Shajakhan 2010-12-28 13:06:26 +05:30 committed by John W. Linville
parent 4cfda47b69
commit ee832d3e9e
1 changed files with 13 additions and 12 deletions
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25
drivers/net/wireless/ath/ath9k/beacon.c
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@ -566,8 +566,6 @@ static void ath_beacon_config_sta(struct ath_softc *sc,
* last beacon we received (which may be none).
*/
dtimperiod = conf->dtim_period;
if (dtimperiod <= 0) /* NB: 0 if not known */
dtimperiod = 1;
dtimcount = conf->dtim_count;
if (dtimcount >= dtimperiod) /* NB: sanity check */
dtimcount = 0;
@ -575,8 +573,6 @@ static void ath_beacon_config_sta(struct ath_softc *sc,
cfpcount = 0;
sleepduration = conf->listen_interval * intval;
if (sleepduration <= 0)
sleepduration = intval;
/*
* Pull nexttbtt forward to reflect the current
@ -662,8 +658,7 @@ static void ath_beacon_config_sta(struct ath_softc *sc,
}
static void ath_beacon_config_adhoc(struct ath_softc *sc,
struct ath_beacon_config *conf,
struct ieee80211_vif *vif)
struct ath_beacon_config *conf)
{
struct ath_hw *ah = sc->sc_ah;
struct ath_common *common = ath9k_hw_common(ah);
@ -718,18 +713,17 @@ void ath_beacon_config(struct ath_softc *sc, struct ieee80211_vif *vif)
/* Setup the beacon configuration parameters */
if (vif) {
struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
iftype = vif->type;
cur_conf->beacon_interval = bss_conf->beacon_int;
cur_conf->dtim_period = bss_conf->dtim_period;
} else {
iftype = sc->sc_ah->opmode;
}
cur_conf->listen_interval = 1;
cur_conf->dtim_count = 1;
cur_conf->bmiss_timeout =
ATH_DEFAULT_BMISS_LIMIT * cur_conf->beacon_interval;
} else {
iftype = sc->sc_ah->opmode;
}
/*
* It looks like mac80211 may end up using beacon interval of zero in
@ -740,13 +734,20 @@ void ath_beacon_config(struct ath_softc *sc, struct ieee80211_vif *vif)
if (cur_conf->beacon_interval == 0)
cur_conf->beacon_interval = 100;
/*
* Some times we dont parse dtim period from mac80211, in that case
* use a default value
*/
if (cur_conf->dtim_period == 0)
cur_conf->dtim_period = 1;
switch (iftype) {
case NL80211_IFTYPE_AP:
ath_beacon_config_ap(sc, cur_conf);
break;
case NL80211_IFTYPE_ADHOC:
case NL80211_IFTYPE_MESH_POINT:
ath_beacon_config_adhoc(sc, cur_conf, vif);
ath_beacon_config_adhoc(sc, cur_conf);
break;
case NL80211_IFTYPE_STATION:
ath_beacon_config_sta(sc, cur_conf);