diff options
Diffstat (limited to 'net/mac80211/iface.c')
| -rw-r--r-- | net/mac80211/iface.c | 25 |
1 files changed, 19 insertions, 6 deletions
diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c index 8336fee68d3e..df28c5f7c9c0 100644 --- a/net/mac80211/iface.c +++ b/net/mac80211/iface.c @@ -65,7 +65,7 @@ static int ieee80211_open(struct net_device *dev) struct ieee80211_if_init_conf conf; u32 changed = 0; int res; - bool need_hw_reconfig = 0; + u32 hw_reconf_flags = 0; u8 null_addr[ETH_ALEN] = {0}; /* fail early if user set an invalid address */ @@ -152,7 +152,8 @@ static int ieee80211_open(struct net_device *dev) res = local->ops->start(local_to_hw(local)); if (res) goto err_del_bss; - need_hw_reconfig = 1; + /* we're brought up, everything changes */ + hw_reconf_flags = ~0; ieee80211_led_radio(local, local->hw.conf.radio_enabled); } @@ -198,8 +199,10 @@ static int ieee80211_open(struct net_device *dev) /* must be before the call to ieee80211_configure_filter */ local->monitors++; - if (local->monitors == 1) + if (local->monitors == 1) { local->hw.conf.flags |= IEEE80211_CONF_RADIOTAP; + hw_reconf_flags |= IEEE80211_CONF_CHANGE_RADIOTAP; + } if (sdata->u.mntr_flags & MONITOR_FLAG_FCSFAIL) local->fif_fcsfail++; @@ -279,8 +282,8 @@ static int ieee80211_open(struct net_device *dev) atomic_inc(&local->iff_promiscs); local->open_count++; - if (need_hw_reconfig) { - ieee80211_hw_config(local); + if (hw_reconf_flags) { + ieee80211_hw_config(local, hw_reconf_flags); /* * set default queue parameters so drivers don't * need to initialise the hardware if the hardware @@ -322,6 +325,7 @@ static int ieee80211_stop(struct net_device *dev) struct ieee80211_local *local = sdata->local; struct ieee80211_if_init_conf conf; struct sta_info *sta; + u32 hw_reconf_flags = 0; /* * Stop TX on this interface first. @@ -405,8 +409,10 @@ static int ieee80211_stop(struct net_device *dev) } local->monitors--; - if (local->monitors == 0) + if (local->monitors == 0) { local->hw.conf.flags &= ~IEEE80211_CONF_RADIOTAP; + hw_reconf_flags |= IEEE80211_CONF_CHANGE_RADIOTAP; + } if (sdata->u.mntr_flags & MONITOR_FLAG_FCSFAIL) local->fif_fcsfail--; @@ -504,8 +510,15 @@ static int ieee80211_stop(struct net_device *dev) tasklet_disable(&local->tx_pending_tasklet); tasklet_disable(&local->tasklet); + + /* no reconfiguring after stop! */ + hw_reconf_flags = 0; } + /* do after stop to avoid reconfiguring when we stop anyway */ + if (hw_reconf_flags) + ieee80211_hw_config(local, hw_reconf_flags); + return 0; } |