Revert "mac80211: add driver callback for per-interface multicast filter"

This reverts commit 488b366a452934141959384c7a1b52b22d6154ef.

The code isn't used by anyone, and the Intel driver isn't planning
to use it either right now.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>

4 files changed, 0 insertions, 58 deletions

diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index 3cd408b326de..73d99bc3e636 100644
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -2398,9 +2398,6 @@ enum ieee80211_roc_type {
  *      See the section "Frame filtering" for more information.
  *      This callback must be implemented and can sleep.
  *
- * @set_multicast_list: Configure the device's interface specific RX multicast
- *      filter. This callback is optional. This callback must be atomic.
- *
  * @set_tim: Set TIM bit. mac80211 calls this function when a TIM bit
  *      must be set or cleared for a given STA. Must be atomic.
  *
@@ -2764,10 +2761,6 @@ struct ieee80211_ops {
                                  unsigned int changed_flags,
                                  unsigned int *total_flags,
                                  u64 multicast);
-        void (*set_multicast_list)(struct ieee80211_hw *hw,
-                                   struct ieee80211_vif *vif, bool allmulti,
-                                   struct netdev_hw_addr_list *mc_list);
-
         int (*set_tim)(struct ieee80211_hw *hw, struct ieee80211_sta *sta,
                        bool set);
         int (*set_key)(struct ieee80211_hw *hw, enum set_key_cmd cmd,
diff --git a/net/mac80211/driver-ops.h b/net/mac80211/driver-ops.h
index 5d03c47c0a4c..f98059a45aa5 100644
--- a/net/mac80211/driver-ops.h
+++ b/net/mac80211/driver-ops.h
@@ -242,22 +242,6 @@ 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 d226751ba63a..3e5c89a295b9 100644
--- a/net/mac80211/iface.c
+++ b/net/mac80211/iface.c
@@ -1018,17 +1018,6 @@ 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 8db560190ca6..9d213e82326e 100644
--- a/net/mac80211/trace.h
+++ b/net/mac80211/trace.h
@@ -443,30 +443,6 @@ 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,