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authorAlexander Bondar <alexander.bondar@intel.com>2013-02-11 12:56:29 (GMT)
committerJohannes Berg <johannes.berg@intel.com>2013-03-11 14:22:14 (GMT)
commit488b366a452934141959384c7a1b52b22d6154ef (patch)
tree85851d49961be9db15cbeea8038e873e4fc9028a /net
parent511044ea0bfc06614d903263ad094d1071fa172f (diff)
downloadlinux-488b366a452934141959384c7a1b52b22d6154ef.tar.xz
mac80211: add driver callback for per-interface multicast filter
Some devices have multicast filter capability for each individual virtual interface rather than just a global one. Add an interface specific driver callback allowing such drivers to configure this. Signed-off-by: Alexander Bondar <alexander.bondar@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net')
-rw-r--r--net/mac80211/driver-ops.h16
-rw-r--r--net/mac80211/iface.c11
-rw-r--r--net/mac80211/trace.h24
3 files changed, 51 insertions, 0 deletions
diff --git a/net/mac80211/driver-ops.h b/net/mac80211/driver-ops.h
index 832acea..025b759 100644
--- a/net/mac80211/driver-ops.h
+++ b/net/mac80211/driver-ops.h
@@ -241,6 +241,22 @@ static inline u64 drv_prepare_multicast(struct ieee80211_local *local,
return ret;
}
+static inline void drv_set_multicast_list(struct ieee80211_local *local,
+ struct ieee80211_sub_if_data *sdata,
+ struct netdev_hw_addr_list *mc_list)
+{
+ bool allmulti = sdata->flags & IEEE80211_SDATA_ALLMULTI;
+
+ trace_drv_set_multicast_list(local, sdata, mc_list->count);
+
+ check_sdata_in_driver(sdata);
+
+ if (local->ops->set_multicast_list)
+ local->ops->set_multicast_list(&local->hw, &sdata->vif,
+ allmulti, mc_list);
+ trace_drv_return_void(local);
+}
+
static inline void drv_configure_filter(struct ieee80211_local *local,
unsigned int changed_flags,
unsigned int *total_flags,
diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c
index d85282f..9875e32 100644
--- a/net/mac80211/iface.c
+++ b/net/mac80211/iface.c
@@ -919,6 +919,17 @@ static void ieee80211_set_multicast_list(struct net_device *dev)
atomic_dec(&local->iff_promiscs);
sdata->flags ^= IEEE80211_SDATA_PROMISC;
}
+
+ /*
+ * TODO: If somebody needs this on AP interfaces,
+ * it can be enabled easily but multicast
+ * addresses from VLANs need to be synced.
+ */
+ if (sdata->vif.type != NL80211_IFTYPE_MONITOR &&
+ sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
+ sdata->vif.type != NL80211_IFTYPE_AP)
+ drv_set_multicast_list(local, sdata, &dev->mc);
+
spin_lock_bh(&local->filter_lock);
__hw_addr_sync(&local->mc_list, &dev->mc, dev->addr_len);
spin_unlock_bh(&local->filter_lock);
diff --git a/net/mac80211/trace.h b/net/mac80211/trace.h
index e7db2b8..d97e430 100644
--- a/net/mac80211/trace.h
+++ b/net/mac80211/trace.h
@@ -431,6 +431,30 @@ TRACE_EVENT(drv_prepare_multicast,
)
);
+TRACE_EVENT(drv_set_multicast_list,
+ TP_PROTO(struct ieee80211_local *local,
+ struct ieee80211_sub_if_data *sdata, int mc_count),
+
+ TP_ARGS(local, sdata, mc_count),
+
+ TP_STRUCT__entry(
+ LOCAL_ENTRY
+ __field(bool, allmulti)
+ __field(int, mc_count)
+ ),
+
+ TP_fast_assign(
+ LOCAL_ASSIGN;
+ __entry->allmulti = sdata->flags & IEEE80211_SDATA_ALLMULTI;
+ __entry->mc_count = mc_count;
+ ),
+
+ TP_printk(
+ LOCAL_PR_FMT " configure mc filter, count=%d, allmulti=%d",
+ LOCAL_PR_ARG, __entry->mc_count, __entry->allmulti
+ )
+);
+
TRACE_EVENT(drv_configure_filter,
TP_PROTO(struct ieee80211_local *local,
unsigned int changed_flags,