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net: bridge: vlan: add global and per-port multicast context
Add global and per-port vlan multicast context, only initialized but still not used. No functional changes intended. Signed-off-by: Nikolay Aleksandrov <nikolay@nvidia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Nikolay Aleksandrov
David S. Miller
parent
adc47037a7
commit
613d61dbef
@ -80,6 +80,7 @@ __br_multicast_add_group(struct net_bridge_mcast *brmctx,
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bool blocked);
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static void br_multicast_find_del_pg(struct net_bridge *br,
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struct net_bridge_port_group *pg);
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static void __br_multicast_stop(struct net_bridge_mcast *brmctx);
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static struct net_bridge_port_group *
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br_sg_port_find(struct net_bridge *br,
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@ -1696,10 +1697,12 @@ static int br_mc_disabled_update(struct net_device *dev, bool value,
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return switchdev_port_attr_set(dev, &attr, extack);
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}
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static void br_multicast_port_ctx_init(struct net_bridge_port *port,
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struct net_bridge_mcast_port *pmctx)
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void br_multicast_port_ctx_init(struct net_bridge_port *port,
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struct net_bridge_vlan *vlan,
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struct net_bridge_mcast_port *pmctx)
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{
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pmctx->port = port;
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pmctx->vlan = vlan;
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pmctx->multicast_router = MDB_RTR_TYPE_TEMP_QUERY;
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timer_setup(&pmctx->ip4_mc_router_timer,
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br_ip4_multicast_router_expired, 0);
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@ -1713,7 +1716,7 @@ static void br_multicast_port_ctx_init(struct net_bridge_port *port,
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#endif
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}
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static void br_multicast_port_ctx_deinit(struct net_bridge_mcast_port *pmctx)
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void br_multicast_port_ctx_deinit(struct net_bridge_mcast_port *pmctx)
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{
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#if IS_ENABLED(CONFIG_IPV6)
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del_timer_sync(&pmctx->ip6_mc_router_timer);
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@ -1726,7 +1729,7 @@ int br_multicast_add_port(struct net_bridge_port *port)
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int err;
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port->multicast_eht_hosts_limit = BR_MCAST_DEFAULT_EHT_HOSTS_LIMIT;
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br_multicast_port_ctx_init(port, &port->multicast_ctx);
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br_multicast_port_ctx_init(port, NULL, &port->multicast_ctx);
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err = br_mc_disabled_update(port->dev,
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br_opt_get(port->br,
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@ -3571,48 +3574,63 @@ static void br_multicast_gc_work(struct work_struct *work)
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br_multicast_gc(&deleted_head);
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}
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void br_multicast_ctx_init(struct net_bridge *br,
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struct net_bridge_vlan *vlan,
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struct net_bridge_mcast *brmctx)
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{
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brmctx->br = br;
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brmctx->vlan = vlan;
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brmctx->multicast_router = MDB_RTR_TYPE_TEMP_QUERY;
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brmctx->multicast_last_member_count = 2;
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brmctx->multicast_startup_query_count = 2;
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brmctx->multicast_last_member_interval = HZ;
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brmctx->multicast_query_response_interval = 10 * HZ;
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brmctx->multicast_startup_query_interval = 125 * HZ / 4;
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brmctx->multicast_query_interval = 125 * HZ;
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brmctx->multicast_querier_interval = 255 * HZ;
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brmctx->multicast_membership_interval = 260 * HZ;
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brmctx->ip4_other_query.delay_time = 0;
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brmctx->ip4_querier.port = NULL;
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brmctx->multicast_igmp_version = 2;
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#if IS_ENABLED(CONFIG_IPV6)
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brmctx->multicast_mld_version = 1;
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brmctx->ip6_other_query.delay_time = 0;
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brmctx->ip6_querier.port = NULL;
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#endif
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timer_setup(&brmctx->ip4_mc_router_timer,
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br_ip4_multicast_local_router_expired, 0);
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timer_setup(&brmctx->ip4_other_query.timer,
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br_ip4_multicast_querier_expired, 0);
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timer_setup(&brmctx->ip4_own_query.timer,
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br_ip4_multicast_query_expired, 0);
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#if IS_ENABLED(CONFIG_IPV6)
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timer_setup(&brmctx->ip6_mc_router_timer,
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br_ip6_multicast_local_router_expired, 0);
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timer_setup(&brmctx->ip6_other_query.timer,
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br_ip6_multicast_querier_expired, 0);
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timer_setup(&brmctx->ip6_own_query.timer,
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br_ip6_multicast_query_expired, 0);
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#endif
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}
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void br_multicast_ctx_deinit(struct net_bridge_mcast *brmctx)
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{
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__br_multicast_stop(brmctx);
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}
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void br_multicast_init(struct net_bridge *br)
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{
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br->hash_max = BR_MULTICAST_DEFAULT_HASH_MAX;
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br->multicast_ctx.br = br;
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br->multicast_ctx.multicast_router = MDB_RTR_TYPE_TEMP_QUERY;
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br->multicast_ctx.multicast_last_member_count = 2;
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br->multicast_ctx.multicast_startup_query_count = 2;
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br_multicast_ctx_init(br, NULL, &br->multicast_ctx);
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br->multicast_ctx.multicast_last_member_interval = HZ;
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br->multicast_ctx.multicast_query_response_interval = 10 * HZ;
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br->multicast_ctx.multicast_startup_query_interval = 125 * HZ / 4;
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br->multicast_ctx.multicast_query_interval = 125 * HZ;
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br->multicast_ctx.multicast_querier_interval = 255 * HZ;
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br->multicast_ctx.multicast_membership_interval = 260 * HZ;
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br->multicast_ctx.ip4_other_query.delay_time = 0;
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br->multicast_ctx.ip4_querier.port = NULL;
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br->multicast_ctx.multicast_igmp_version = 2;
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#if IS_ENABLED(CONFIG_IPV6)
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br->multicast_ctx.multicast_mld_version = 1;
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br->multicast_ctx.ip6_other_query.delay_time = 0;
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br->multicast_ctx.ip6_querier.port = NULL;
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#endif
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br_opt_toggle(br, BROPT_MULTICAST_ENABLED, true);
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br_opt_toggle(br, BROPT_HAS_IPV6_ADDR, true);
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spin_lock_init(&br->multicast_lock);
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timer_setup(&br->multicast_ctx.ip4_mc_router_timer,
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br_ip4_multicast_local_router_expired, 0);
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timer_setup(&br->multicast_ctx.ip4_other_query.timer,
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br_ip4_multicast_querier_expired, 0);
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timer_setup(&br->multicast_ctx.ip4_own_query.timer,
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br_ip4_multicast_query_expired, 0);
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#if IS_ENABLED(CONFIG_IPV6)
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timer_setup(&br->multicast_ctx.ip6_mc_router_timer,
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br_ip6_multicast_local_router_expired, 0);
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timer_setup(&br->multicast_ctx.ip6_other_query.timer,
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br_ip6_multicast_querier_expired, 0);
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timer_setup(&br->multicast_ctx.ip6_own_query.timer,
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br_ip6_multicast_query_expired, 0);
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#endif
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INIT_HLIST_HEAD(&br->mdb_list);
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INIT_HLIST_HEAD(&br->mcast_gc_list);
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INIT_WORK(&br->mcast_gc_work, br_multicast_gc_work);
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@ -3699,16 +3717,21 @@ void br_multicast_open(struct net_bridge *br)
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#endif
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}
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static void __br_multicast_stop(struct net_bridge_mcast *brmctx)
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{
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del_timer_sync(&brmctx->ip4_mc_router_timer);
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del_timer_sync(&brmctx->ip4_other_query.timer);
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del_timer_sync(&brmctx->ip4_own_query.timer);
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#if IS_ENABLED(CONFIG_IPV6)
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del_timer_sync(&brmctx->ip6_mc_router_timer);
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del_timer_sync(&brmctx->ip6_other_query.timer);
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del_timer_sync(&brmctx->ip6_own_query.timer);
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#endif
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}
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void br_multicast_stop(struct net_bridge *br)
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{
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del_timer_sync(&br->multicast_ctx.ip4_mc_router_timer);
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del_timer_sync(&br->multicast_ctx.ip4_other_query.timer);
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del_timer_sync(&br->multicast_ctx.ip4_own_query.timer);
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#if IS_ENABLED(CONFIG_IPV6)
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del_timer_sync(&br->multicast_ctx.ip6_mc_router_timer);
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del_timer_sync(&br->multicast_ctx.ip6_other_query.timer);
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del_timer_sync(&br->multicast_ctx.ip6_own_query.timer);
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#endif
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__br_multicast_stop(&br->multicast_ctx);
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}
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void br_multicast_dev_del(struct net_bridge *br)
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@ -3723,6 +3746,7 @@ void br_multicast_dev_del(struct net_bridge *br)
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hlist_move_list(&br->mcast_gc_list, &deleted_head);
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spin_unlock_bh(&br->multicast_lock);
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br_multicast_ctx_deinit(&br->multicast_ctx);
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br_multicast_gc(&deleted_head);
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cancel_work_sync(&br->mcast_gc_work);
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@ -93,6 +93,7 @@ struct bridge_mcast_stats {
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struct net_bridge_mcast_port {
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#ifdef CONFIG_BRIDGE_IGMP_SNOOPING
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struct net_bridge_port *port;
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struct net_bridge_vlan *vlan;
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struct bridge_mcast_own_query ip4_own_query;
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struct timer_list ip4_mc_router_timer;
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@ -110,6 +111,7 @@ struct net_bridge_mcast_port {
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struct net_bridge_mcast {
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#ifdef CONFIG_BRIDGE_IGMP_SNOOPING
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struct net_bridge *br;
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struct net_bridge_vlan *vlan;
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u32 multicast_last_member_count;
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u32 multicast_startup_query_count;
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@ -165,6 +167,9 @@ enum {
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* @refcnt: if MASTER flag set, this is bumped for each port referencing it
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* @brvlan: if MASTER flag unset, this points to the global per-VLAN context
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* for this VLAN entry
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* @br_mcast_ctx: if MASTER flag set, this is the global vlan multicast context
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* @port_mcast_ctx: if MASTER flag unset, this is the per-port/vlan multicast
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* context
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* @vlist: sorted list of VLAN entries
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* @rcu: used for entry destruction
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*
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@ -192,6 +197,11 @@ struct net_bridge_vlan {
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struct br_tunnel_info tinfo;
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union {
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struct net_bridge_mcast br_mcast_ctx;
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struct net_bridge_mcast_port port_mcast_ctx;
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};
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struct list_head vlist;
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struct rcu_head rcu;
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@ -883,6 +893,14 @@ struct net_bridge_group_src *
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br_multicast_find_group_src(struct net_bridge_port_group *pg, struct br_ip *ip);
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void br_multicast_del_group_src(struct net_bridge_group_src *src,
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bool fastleave);
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void br_multicast_ctx_init(struct net_bridge *br,
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struct net_bridge_vlan *vlan,
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struct net_bridge_mcast *brmctx);
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void br_multicast_ctx_deinit(struct net_bridge_mcast *brmctx);
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void br_multicast_port_ctx_init(struct net_bridge_port *port,
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struct net_bridge_vlan *vlan,
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struct net_bridge_mcast_port *pmctx);
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void br_multicast_port_ctx_deinit(struct net_bridge_mcast_port *pmctx);
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static inline bool br_group_is_l2(const struct br_ip *group)
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{
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@ -1157,6 +1175,26 @@ static inline int br_multicast_igmp_type(const struct sk_buff *skb)
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{
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return 0;
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}
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static inline void br_multicast_ctx_init(struct net_bridge *br,
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struct net_bridge_vlan *vlan,
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struct net_bridge_mcast *brmctx)
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{
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}
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static inline void br_multicast_ctx_deinit(struct net_bridge_mcast *brmctx)
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{
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}
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static inline void br_multicast_port_ctx_init(struct net_bridge_port *port,
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struct net_bridge_vlan *vlan,
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struct net_bridge_mcast_port *pmctx)
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{
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}
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static inline void br_multicast_port_ctx_deinit(struct net_bridge_mcast_port *pmctx)
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{
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}
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#endif
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/* br_vlan.c */
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@ -190,6 +190,7 @@ static void br_vlan_put_master(struct net_bridge_vlan *masterv)
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rhashtable_remove_fast(&vg->vlan_hash,
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&masterv->vnode, br_vlan_rht_params);
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__vlan_del_list(masterv);
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br_multicast_ctx_deinit(&masterv->br_mcast_ctx);
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call_rcu(&masterv->rcu, br_master_vlan_rcu_free);
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}
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}
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@ -280,10 +281,12 @@ static int __vlan_add(struct net_bridge_vlan *v, u16 flags,
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} else {
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v->stats = masterv->stats;
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}
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br_multicast_port_ctx_init(p, v, &v->port_mcast_ctx);
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} else {
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err = br_switchdev_port_vlan_add(dev, v->vid, flags, extack);
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if (err && err != -EOPNOTSUPP)
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goto out;
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br_multicast_ctx_init(br, v, &v->br_mcast_ctx);
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}
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/* Add the dev mac and count the vlan only if it's usable */
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@ -374,6 +377,7 @@ static int __vlan_del(struct net_bridge_vlan *v)
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br_vlan_rht_params);
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__vlan_del_list(v);
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nbp_vlan_set_vlan_dev_state(p, v->vid);
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br_multicast_port_ctx_deinit(&v->port_mcast_ctx);
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call_rcu(&v->rcu, nbp_vlan_rcu_free);
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}
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