diff options
Diffstat (limited to 'drivers/net/wireless/mwl8k.c')
-rw-r--r-- | drivers/net/wireless/mwl8k.c | 52 |
1 files changed, 33 insertions, 19 deletions
diff --git a/drivers/net/wireless/mwl8k.c b/drivers/net/wireless/mwl8k.c index d8eff68978f..fa7b4fe074f 100644 --- a/drivers/net/wireless/mwl8k.c +++ b/drivers/net/wireless/mwl8k.c @@ -2958,57 +2958,71 @@ static void mwl8k_bss_info_changed(struct ieee80211_hw *hw, u32 changed) { struct mwl8k_priv *priv = hw->priv; + u32 ap_legacy_rates; int rc; - if ((changed & BSS_CHANGED_ASSOC) == 0) + if (mwl8k_fw_lock(hw)) return; - priv->capture_beacon = false; - - rc = mwl8k_fw_lock(hw); - if (rc) - return; + /* + * No need to capture a beacon if we're no longer associated. + */ + if ((changed & BSS_CHANGED_ASSOC) && !vif->bss_conf.assoc) + priv->capture_beacon = false; + /* + * Get the AP's legacy rates. + */ + ap_legacy_rates = 0; if (vif->bss_conf.assoc) { struct ieee80211_sta *ap; - u32 legacy_rate_mask; rcu_read_lock(); - ap = ieee80211_find_sta(vif, vif->bss_conf.bssid); - if (ap != NULL) - legacy_rate_mask = ap->supp_rates[IEEE80211_BAND_2GHZ]; - rcu_read_unlock(); - if (ap == NULL) + ap = ieee80211_find_sta(vif, vif->bss_conf.bssid); + if (ap == NULL) { + rcu_read_unlock(); goto out; + } - /* Install rates */ - rc = mwl8k_cmd_set_rate(hw, vif, legacy_rate_mask); + ap_legacy_rates = ap->supp_rates[IEEE80211_BAND_2GHZ]; + + rcu_read_unlock(); + } + + if ((changed & BSS_CHANGED_ASSOC) && vif->bss_conf.assoc) { + rc = mwl8k_cmd_set_rate(hw, vif, ap_legacy_rates); if (rc) goto out; - /* Turn on rate adaptation */ rc = mwl8k_cmd_use_fixed_rate(hw, MWL8K_USE_AUTO_RATE, MWL8K_UCAST_RATE, NULL); if (rc) goto out; + } - /* Set radio preamble */ + if (changed & BSS_CHANGED_ERP_PREAMBLE) { rc = mwl8k_set_radio_preamble(hw, vif->bss_conf.use_short_preamble); if (rc) goto out; + } - /* Set slot time */ + if (changed & BSS_CHANGED_ERP_SLOT) { rc = mwl8k_cmd_set_slot(hw, vif->bss_conf.use_short_slot); if (rc) goto out; + } - /* Set AID */ - rc = mwl8k_cmd_set_aid(hw, vif, legacy_rate_mask); + if (((changed & BSS_CHANGED_ASSOC) && vif->bss_conf.assoc) || + (changed & (BSS_CHANGED_ERP_CTS_PROT | BSS_CHANGED_HT))) { + rc = mwl8k_cmd_set_aid(hw, vif, ap_legacy_rates); if (rc) goto out; + } + if (vif->bss_conf.assoc && + (changed & (BSS_CHANGED_ASSOC | BSS_CHANGED_BEACON_INT))) { /* * Finalize the join. Tell rx handler to process * next beacon from our BSSID. |