diff options
Diffstat (limited to 'net/mac80211/main.c')
| -rw-r--r-- | net/mac80211/main.c | 53 |
1 files changed, 47 insertions, 6 deletions
diff --git a/net/mac80211/main.c b/net/mac80211/main.c index 09a27449f3fd..c155c0b69426 100644 --- a/net/mac80211/main.c +++ b/net/mac80211/main.c @@ -98,6 +98,41 @@ static void ieee80211_reconfig_filter(struct work_struct *work) ieee80211_configure_filter(local); } +/* + * Returns true if we are logically configured to be on + * the operating channel AND the hardware-conf is currently + * configured on the operating channel. Compares channel-type + * as well. + */ +bool ieee80211_cfg_on_oper_channel(struct ieee80211_local *local) +{ + struct ieee80211_channel *chan, *scan_chan; + enum nl80211_channel_type channel_type; + + /* This logic needs to match logic in ieee80211_hw_config */ + if (local->scan_channel) { + chan = local->scan_channel; + channel_type = NL80211_CHAN_NO_HT; + } else if (local->tmp_channel) { + chan = scan_chan = local->tmp_channel; + channel_type = local->tmp_channel_type; + } else { + chan = local->oper_channel; + channel_type = local->_oper_channel_type; + } + + if (chan != local->oper_channel || + channel_type != local->_oper_channel_type) + return false; + + /* Check current hardware-config against oper_channel. */ + if ((local->oper_channel != local->hw.conf.channel) || + (local->_oper_channel_type != local->hw.conf.channel_type)) + return false; + + return true; +} + int ieee80211_hw_config(struct ieee80211_local *local, u32 changed) { struct ieee80211_channel *chan, *scan_chan; @@ -110,21 +145,27 @@ int ieee80211_hw_config(struct ieee80211_local *local, u32 changed) scan_chan = local->scan_channel; + /* If this off-channel logic ever changes, ieee80211_on_oper_channel + * may need to change as well. + */ offchannel_flag = local->hw.conf.flags & IEEE80211_CONF_OFFCHANNEL; if (scan_chan) { chan = scan_chan; channel_type = NL80211_CHAN_NO_HT; - local->hw.conf.flags |= IEEE80211_CONF_OFFCHANNEL; - } else if (local->tmp_channel && - local->oper_channel != local->tmp_channel) { + } else if (local->tmp_channel) { chan = scan_chan = local->tmp_channel; channel_type = local->tmp_channel_type; - local->hw.conf.flags |= IEEE80211_CONF_OFFCHANNEL; } else { chan = local->oper_channel; channel_type = local->_oper_channel_type; - local->hw.conf.flags &= ~IEEE80211_CONF_OFFCHANNEL; } + + if (chan != local->oper_channel || + channel_type != local->_oper_channel_type) + local->hw.conf.flags |= IEEE80211_CONF_OFFCHANNEL; + else + local->hw.conf.flags &= ~IEEE80211_CONF_OFFCHANNEL; + offchannel_flag ^= local->hw.conf.flags & IEEE80211_CONF_OFFCHANNEL; if (offchannel_flag || chan != local->hw.conf.channel || @@ -231,7 +272,7 @@ void ieee80211_bss_info_change_notify(struct ieee80211_sub_if_data *sdata, if (changed & BSS_CHANGED_BEACON_ENABLED) { if (local->quiescing || !ieee80211_sdata_running(sdata) || - test_bit(SCAN_SW_SCANNING, &local->scanning)) { + test_bit(SDATA_STATE_OFFCHANNEL, &sdata->state)) { sdata->vif.bss_conf.enable_beacon = false; } else { /* |