diff options
| -rw-r--r-- | net/mac80211/ieee80211.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/net/mac80211/ieee80211.c b/net/mac80211/ieee80211.c index c38e2cd4f7a..59350b8727e 100644 --- a/net/mac80211/ieee80211.c +++ b/net/mac80211/ieee80211.c @@ -267,6 +267,17 @@ static int ieee80211_open(struct net_device *dev) tasklet_enable(&local->tasklet); } + /* + * set_multicast_list will be invoked by the networking core + * which will check whether any increments here were done in + * error and sync them down to the hardware as filter flags. + */ + if (sdata->flags & IEEE80211_SDATA_ALLMULTI) + atomic_inc(&local->iff_allmultis); + + if (sdata->flags & IEEE80211_SDATA_PROMISC) + atomic_inc(&local->iff_promiscs); + local->open_count++; netif_start_queue(dev); @@ -284,6 +295,18 @@ static int ieee80211_stop(struct net_device *dev) netif_stop_queue(dev); + /* + * Don't count this interface for promisc/allmulti while it + * is down. dev_mc_unsync() will invoke set_multicast_list + * on the master interface which will sync these down to the + * hardware as filter flags. + */ + if (sdata->flags & IEEE80211_SDATA_ALLMULTI) + atomic_dec(&local->iff_allmultis); + + if (sdata->flags & IEEE80211_SDATA_PROMISC) + atomic_dec(&local->iff_promiscs); + dev_mc_unsync(local->mdev, dev); /* down all dependent devices, that is VLANs */ |