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authorLinus Torvalds <torvalds@woody.linux-foundation.org>2007-11-26 20:09:07 -0800
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-11-26 20:09:07 -0800
commit8c27eba54970c6ebbb408186e5baa2274435e869 (patch)
tree47348cfc4c008692eee4a9174fcc6d8b20f5e647 /net/mac80211/ieee80211.c
parent8912858bcb9e314549a4abc15db6b5841a96fa2c (diff)
parent5dba4797115c8fa05c1a4d12927a6ae0b33ffc41 (diff)
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Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/net-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/herbert/net-2.6: (41 commits) [XFRM]: Fix leak of expired xfrm_states [ATM]: [he] initialize lock and tasklet earlier [IPV4]: Remove bogus ifdef mess in arp_process [SKBUFF]: Free old skb properly in skb_morph [IPV4]: Fix memory leak in inet_hashtables.h when NUMA is on [IPSEC]: Temporarily remove locks around copying of non-atomic fields [TCP] MTUprobe: Cleanup send queue check (no need to loop) [TCP]: MTUprobe: receiver window & data available checks fixed [MAINTAINERS]: tlan list is subscribers-only [SUNRPC]: Remove SPIN_LOCK_UNLOCKED [SUNRPC]: Make xprtsock.c:xs_setup_{udp,tcp}() static [PFKEY]: Sending an SADB_GET responds with an SADB_GET [IRDA]: Compilation for CONFIG_INET=n case [IPVS]: Fix compiler warning about unused register_ip_vs_protocol [ARP]: Fix arp reply when sender ip 0 [IPV6] TCPMD5: Fix deleting key operation. [IPV6] TCPMD5: Check return value of tcp_alloc_md5sig_pool(). [IPV4] TCPMD5: Use memmove() instead of memcpy() because we have overlaps. [IPV4] TCPMD5: Omit redundant NULL check for kfree() argument. ieee80211: Stop net_ratelimit/IEEE80211_DEBUG_DROP log pollution ...
Diffstat (limited to 'net/mac80211/ieee80211.c')
-rw-r--r--net/mac80211/ieee80211.c27
1 files changed, 25 insertions, 2 deletions
diff --git a/net/mac80211/ieee80211.c b/net/mac80211/ieee80211.c
index e0ee65a..59350b8 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 */
@@ -366,8 +389,8 @@ static void ieee80211_set_multicast_list(struct net_device *dev)
allmulti = !!(dev->flags & IFF_ALLMULTI);
promisc = !!(dev->flags & IFF_PROMISC);
- sdata_allmulti = sdata->flags & IEEE80211_SDATA_ALLMULTI;
- sdata_promisc = sdata->flags & IEEE80211_SDATA_PROMISC;
+ sdata_allmulti = !!(sdata->flags & IEEE80211_SDATA_ALLMULTI);
+ sdata_promisc = !!(sdata->flags & IEEE80211_SDATA_PROMISC);
if (allmulti != sdata_allmulti) {
if (dev->flags & IFF_ALLMULTI)