diff options
Diffstat (limited to 'net')
| -rw-r--r-- | net/bridge/br_mdb.c | 4 | ||||
| -rw-r--r-- | net/bridge/br_multicast.c | 169 | ||||
| -rw-r--r-- | net/bridge/br_private.h | 22 |
3 files changed, 100 insertions, 95 deletions
diff --git a/net/bridge/br_mdb.c b/net/bridge/br_mdb.c index b7b1914dfa2..5df05269d17 100644 --- a/net/bridge/br_mdb.c +++ b/net/bridge/br_mdb.c @@ -418,13 +418,13 @@ static int __br_mdb_del(struct net_bridge *br, struct br_mdb_entry *entry) ip.proto = entry->addr.proto; if (ip.proto == htons(ETH_P_IP)) { - if (timer_pending(&br->ip4_querier.timer)) + if (timer_pending(&br->ip4_other_query.timer)) return -EBUSY; ip.u.ip4 = entry->addr.u.ip4; #if IS_ENABLED(CONFIG_IPV6) } else { - if (timer_pending(&br->ip6_querier.timer)) + if (timer_pending(&br->ip6_other_query.timer)) return -EBUSY; ip.u.ip6 = entry->addr.u.ip6; diff --git a/net/bridge/br_multicast.c b/net/bridge/br_multicast.c index 7b757b5dc77..5ccac62b400 100644 --- a/net/bridge/br_multicast.c +++ b/net/bridge/br_multicast.c @@ -35,7 +35,7 @@ #include "br_private.h" static void br_multicast_start_querier(struct net_bridge *br, - struct bridge_mcast_query *query); + struct bridge_mcast_own_query *query); unsigned int br_mdb_rehash_seq; static inline int br_ip_equal(const struct br_ip *a, const struct br_ip *b) @@ -761,7 +761,7 @@ static void br_multicast_local_router_expired(unsigned long data) } static void br_multicast_querier_expired(struct net_bridge *br, - struct bridge_mcast_query *query) + struct bridge_mcast_own_query *query) { spin_lock(&br->multicast_lock); if (!netif_running(br->dev) || br->multicast_disabled) @@ -777,7 +777,7 @@ static void br_ip4_multicast_querier_expired(unsigned long data) { struct net_bridge *br = (void *)data; - br_multicast_querier_expired(br, &br->ip4_query); + br_multicast_querier_expired(br, &br->ip4_own_query); } #if IS_ENABLED(CONFIG_IPV6) @@ -785,7 +785,7 @@ static void br_ip6_multicast_querier_expired(unsigned long data) { struct net_bridge *br = (void *)data; - br_multicast_querier_expired(br, &br->ip6_query); + br_multicast_querier_expired(br, &br->ip6_own_query); } #endif @@ -810,11 +810,11 @@ static void __br_multicast_send_query(struct net_bridge *br, static void br_multicast_send_query(struct net_bridge *br, struct net_bridge_port *port, - struct bridge_mcast_query *query) + struct bridge_mcast_own_query *own_query) { unsigned long time; struct br_ip br_group; - struct bridge_mcast_querier *querier = NULL; + struct bridge_mcast_other_query *other_query = NULL; if (!netif_running(br->dev) || br->multicast_disabled || !br->multicast_querier) @@ -822,31 +822,32 @@ static void br_multicast_send_query(struct net_bridge *br, memset(&br_group.u, 0, sizeof(br_group.u)); - if (port ? (query == &port->ip4_query) : - (query == &br->ip4_query)) { - querier = &br->ip4_querier; + if (port ? (own_query == &port->ip4_own_query) : + (own_query == &br->ip4_own_query)) { + other_query = &br->ip4_other_query; br_group.proto = htons(ETH_P_IP); #if IS_ENABLED(CONFIG_IPV6) } else { - querier = &br->ip6_querier; + other_query = &br->ip6_other_query; br_group.proto = htons(ETH_P_IPV6); #endif } - if (!querier || timer_pending(&querier->timer)) + if (!other_query || timer_pending(&other_query->timer)) return; __br_multicast_send_query(br, port, &br_group); time = jiffies; - time += query->startup_sent < br->multicast_startup_query_count ? + time += own_query->startup_sent < br->multicast_startup_query_count ? br->multicast_startup_query_interval : br->multicast_query_interval; - mod_timer(&query->timer, time); + mod_timer(&own_query->timer, time); } -static void br_multicast_port_query_expired(struct net_bridge_port *port, - struct bridge_mcast_query *query) +static void +br_multicast_port_query_expired(struct net_bridge_port *port, + struct bridge_mcast_own_query *query) { struct net_bridge *br = port->br; @@ -868,7 +869,7 @@ static void br_ip4_multicast_port_query_expired(unsigned long data) { struct net_bridge_port *port = (void *)data; - br_multicast_port_query_expired(port, &port->ip4_query); + br_multicast_port_query_expired(port, &port->ip4_own_query); } #if IS_ENABLED(CONFIG_IPV6) @@ -876,7 +877,7 @@ static void br_ip6_multicast_port_query_expired(unsigned long data) { struct net_bridge_port *port = (void *)data; - br_multicast_port_query_expired(port, &port->ip6_query); + br_multicast_port_query_expired(port, &port->ip6_own_query); } #endif @@ -886,11 +887,11 @@ void br_multicast_add_port(struct net_bridge_port *port) setup_timer(&port->multicast_router_timer, br_multicast_router_expired, (unsigned long)port); - setup_timer(&port->ip4_query.timer, br_ip4_multicast_port_query_expired, - (unsigned long)port); + setup_timer(&port->ip4_own_query.timer, + br_ip4_multicast_port_query_expired, (unsigned long)port); #if IS_ENABLED(CONFIG_IPV6) - setup_timer(&port->ip6_query.timer, br_ip6_multicast_port_query_expired, - (unsigned long)port); + setup_timer(&port->ip6_own_query.timer, + br_ip6_multicast_port_query_expired, (unsigned long)port); #endif } @@ -899,7 +900,7 @@ void br_multicast_del_port(struct net_bridge_port *port) del_timer_sync(&port->multicast_router_timer); } -static void br_multicast_enable(struct bridge_mcast_query *query) +static void br_multicast_enable(struct bridge_mcast_own_query *query) { query->startup_sent = 0; @@ -916,9 +917,9 @@ void br_multicast_enable_port(struct net_bridge_port *port) if (br->multicast_disabled || !netif_running(br->dev)) goto out; - br_multicast_enable(&port->ip4_query); + br_multicast_enable(&port->ip4_own_query); #if IS_ENABLED(CONFIG_IPV6) - br_multicast_enable(&port->ip6_query); + br_multicast_enable(&port->ip6_own_query); #endif out: @@ -938,9 +939,9 @@ void br_multicast_disable_port(struct net_bridge_port *port) if (!hlist_unhashed(&port->rlist)) hlist_del_init_rcu(&port->rlist); del_timer(&port->multicast_router_timer); - del_timer(&port->ip4_query.timer); + del_timer(&port->ip4_own_query.timer); #if IS_ENABLED(CONFIG_IPV6) - del_timer(&port->ip6_query.timer); + del_timer(&port->ip6_own_query.timer); #endif spin_unlock(&br->multicast_lock); } @@ -1065,14 +1066,14 @@ static int br_ip6_multicast_mld2_report(struct net_bridge *br, #endif static void -br_multicast_update_querier_timer(struct net_bridge *br, - struct bridge_mcast_querier *querier, - unsigned long max_delay) +br_multicast_update_query_timer(struct net_bridge *br, + struct bridge_mcast_other_query *query, + unsigned long max_delay) { - if (!timer_pending(&querier->timer)) - querier->delay_time = jiffies + max_delay; + if (!timer_pending(&query->timer)) + query->delay_time = jiffies + max_delay; - mod_timer(&querier->timer, jiffies + br->multicast_querier_interval); + mod_timer(&query->timer, jiffies + br->multicast_querier_interval); } /* @@ -1125,14 +1126,14 @@ timer: static void br_multicast_query_received(struct net_bridge *br, struct net_bridge_port *port, - struct bridge_mcast_querier *querier, + struct bridge_mcast_other_query *query, int saddr, bool is_general_query, unsigned long max_delay) { if (saddr && is_general_query) - br_multicast_update_querier_timer(br, querier, max_delay); - else if (timer_pending(&querier->timer)) + br_multicast_update_query_timer(br, query, max_delay); + else if (timer_pending(&query->timer)) return; br_multicast_mark_router(br, port); @@ -1190,8 +1191,8 @@ static int br_ip4_multicast_query(struct net_bridge *br, goto out; } - br_multicast_query_received(br, port, &br->ip4_querier, !!iph->saddr, - !group, max_delay); + br_multicast_query_received(br, port, &br->ip4_other_query, + !!iph->saddr, !group, max_delay); if (!group) goto out; @@ -1282,7 +1283,7 @@ static int br_ip6_multicast_query(struct net_bridge *br, goto out; } - br_multicast_query_received(br, port, &br->ip6_querier, + br_multicast_query_received(br, port, &br->ip6_other_query, !ipv6_addr_any(&ip6h->saddr), is_general_query, max_delay); @@ -1315,11 +1316,12 @@ out: } #endif -static void br_multicast_leave_group(struct net_bridge *br, - struct net_bridge_port *port, - struct br_ip *group, - struct bridge_mcast_querier *querier, - struct bridge_mcast_query *query) +static void +br_multicast_leave_group(struct net_bridge *br, + struct net_bridge_port *port, + struct br_ip *group, + struct bridge_mcast_other_query *other_query, + struct bridge_mcast_own_query *own_query) { struct net_bridge_mdb_htable *mdb; struct net_bridge_mdb_entry *mp; @@ -1330,7 +1332,7 @@ static void br_multicast_leave_group(struct net_bridge *br, spin_lock(&br->multicast_lock); if (!netif_running(br->dev) || (port && port->state == BR_STATE_DISABLED) || - timer_pending(&querier->timer)) + timer_pending(&other_query->timer)) goto out; mdb = mlock_dereference(br->mdb, br); @@ -1344,7 +1346,7 @@ static void br_multicast_leave_group(struct net_bridge *br, time = jiffies + br->multicast_last_member_count * br->multicast_last_member_interval; - mod_timer(&query->timer, time); + mod_timer(&own_query->timer, time); for (p = mlock_dereference(mp->ports, br); p != NULL; @@ -1425,17 +1427,19 @@ static void br_ip4_multicast_leave_group(struct net_bridge *br, __u16 vid) { struct br_ip br_group; - struct bridge_mcast_query *query = port ? &port->ip4_query : - &br->ip4_query; + struct bridge_mcast_own_query *own_query; if (ipv4_is_local_multicast(group)) return; + own_query = port ? &port->ip4_own_query : &br->ip4_own_query; + br_group.u.ip4 = group; br_group.proto = htons(ETH_P_IP); br_group.vid = vid; - br_multicast_leave_group(br, port, &br_group, &br->ip4_querier, query); + br_multicast_leave_group(br, port, &br_group, &br->ip4_other_query, + own_query); } #if IS_ENABLED(CONFIG_IPV6) @@ -1445,18 +1449,19 @@ static void br_ip6_multicast_leave_group(struct net_bridge *br, __u16 vid) { struct br_ip br_group; - struct bridge_mcast_query *query = port ? &port->ip6_query : - &br->ip6_query; - + struct bridge_mcast_own_query *own_query; if (ipv6_addr_is_ll_all_nodes(group)) return; + own_query = port ? &port->ip6_own_query : &br->ip6_own_query; + br_group.u.ip6 = *group; br_group.proto = htons(ETH_P_IPV6); br_group.vid = vid; - br_multicast_leave_group(br, port, &br_group, &br->ip6_querier, query); + br_multicast_leave_group(br, port, &br_group, &br->ip6_other_query, + own_query); } #endif @@ -1723,7 +1728,7 @@ int br_multicast_rcv(struct net_bridge *br, struct net_bridge_port *port, } static void br_multicast_query_expired(struct net_bridge *br, - struct bridge_mcast_query *query) + struct bridge_mcast_own_query *query) { spin_lock(&br->multicast_lock); if (query->startup_sent < br->multicast_startup_query_count) @@ -1737,7 +1742,7 @@ static void br_ip4_multicast_query_expired(unsigned long data) { struct net_bridge *br = (void *)data; - br_multicast_query_expired(br, &br->ip4_query); + br_multicast_query_expired(br, &br->ip4_own_query); } #if IS_ENABLED(CONFIG_IPV6) @@ -1745,7 +1750,7 @@ static void br_ip6_multicast_query_expired(unsigned long data) { struct net_bridge *br = (void *)data; - br_multicast_query_expired(br, &br->ip6_query); + br_multicast_query_expired(br, &br->ip6_own_query); } #endif @@ -1767,28 +1772,28 @@ void br_multicast_init(struct net_bridge *br) br->multicast_querier_interval = 255 * HZ; br->multicast_membership_interval = 260 * HZ; - br->ip4_querier.delay_time = 0; + br->ip4_other_query.delay_time = 0; #if IS_ENABLED(CONFIG_IPV6) - br->ip6_querier.delay_time = 0; + br->ip6_other_query.delay_time = 0; #endif spin_lock_init(&br->multicast_lock); setup_timer(&br->multicast_router_timer, br_multicast_local_router_expired, 0); - setup_timer(&br->ip4_querier.timer, br_ip4_multicast_querier_expired, - (unsigned long)br); - setup_timer(&br->ip4_query.timer, br_ip4_multicast_query_expired, + setup_timer(&br->ip4_other_query.timer, + br_ip4_multicast_querier_expired, (unsigned long)br); + setup_timer(&br->ip4_own_query.timer, br_ip4_multicast_query_expired, (unsigned long)br); #if IS_ENABLED(CONFIG_IPV6) - setup_timer(&br->ip6_querier.timer, br_ip6_multicast_querier_expired, - (unsigned long)br); - setup_timer(&br->ip6_query.timer, br_ip6_multicast_query_expired, + setup_timer(&br->ip6_other_query.timer, + br_ip6_multicast_querier_expired, (unsigned long)br); + setup_timer(&br->ip6_own_query.timer, br_ip6_multicast_query_expired, (unsigned long)br); #endif } static void __br_multicast_open(struct net_bridge *br, - struct bridge_mcast_query *query) + struct bridge_mcast_own_query *query) { query->startup_sent = 0; @@ -1800,9 +1805,9 @@ static void __br_multicast_open(struct net_bridge *br, void br_multicast_open(struct net_bridge *br) { - __br_multicast_open(br, &br->ip4_query); + __br_multicast_open(br, &br->ip4_own_query); #if IS_ENABLED(CONFIG_IPV6) - __br_multicast_open(br, &br->ip6_query); + __br_multicast_open(br, &br->ip6_own_query); #endif } @@ -1815,11 +1820,11 @@ void br_multicast_stop(struct net_bridge *br) int i; del_timer_sync(&br->multicast_router_timer); - del_timer_sync(&br->ip4_querier.timer); - del_timer_sync(&br->ip4_query.timer); + del_timer_sync(&br->ip4_other_query.timer); + del_timer_sync(&br->ip4_own_query.timer); #if IS_ENABLED(CONFIG_IPV6) - del_timer_sync(&br->ip6_querier.timer); - del_timer_sync(&br->ip6_query.timer); + del_timer_sync(&br->ip6_other_query.timer); + del_timer_sync(&br->ip6_own_query.timer); #endif spin_lock_bh(&br->multicast_lock); @@ -1923,7 +1928,7 @@ unlock: } static void br_multicast_start_querier(struct net_bridge *br, - struct bridge_mcast_query *query) + struct bridge_mcast_own_query *query) { struct net_bridge_port *port; @@ -1934,11 +1939,11 @@ static void br_multicast_start_querier(struct net_bridge *br, port->state == BR_STATE_BLOCKING) continue; - if (query == &br->ip4_query) - br_multicast_enable(&port->ip4_query); + if (query == &br->ip4_own_query) + br_multicast_enable(&port->ip4_own_query); #if IS_ENABLED(CONFIG_IPV6) else - br_multicast_enable(&port->ip6_query); + br_multicast_enable(&port->ip6_own_query); #endif } } @@ -1974,9 +1979,9 @@ rollback: goto rollback; } - br_multicast_start_querier(br, &br->ip4_query); + br_multicast_start_querier(br, &br->ip4_own_query); #if IS_ENABLED(CONFIG_IPV6) - br_multicast_start_querier(br, &br->ip6_query); + br_multicast_start_querier(br, &br->ip6_own_query); #endif unlock: @@ -2001,16 +2006,16 @@ int br_multicast_set_querier(struct net_bridge *br, unsigned long val) max_delay = br->multicast_query_response_interval; - if (!timer_pending(&br->ip4_querier.timer)) - br->ip4_querier.delay_time = jiffies + max_delay; + if (!timer_pending(&br->ip4_other_query.timer)) + br->ip4_other_query.delay_time = jiffies + max_delay; - br_multicast_start_querier(br, &br->ip4_query); + br_multicast_start_querier(br, &br->ip4_own_query); #if IS_ENABLED(CONFIG_IPV6) - if (!timer_pending(&br->ip6_querier.timer)) - br->ip6_querier.delay_time = jiffies + max_delay; + if (!timer_pending(&br->ip6_other_query.timer)) + br->ip6_other_query.delay_time = jiffies + max_delay; - br_multicast_start_querier(br, &br->ip6_query); + br_multicast_start_querier(br, &br->ip6_own_query); #endif unlock: diff --git a/net/bridge/br_private.h b/net/bridge/br_private.h index bc17210d4c5..2469aeeda1e 100644 --- a/net/bridge/br_private.h +++ b/net/bridge/br_private.h @@ -68,13 +68,13 @@ struct br_ip #ifdef CONFIG_BRIDGE_IGMP_SNOOPING /* our own querier */ -struct bridge_mcast_query { +struct bridge_mcast_own_query { struct timer_list timer; u32 startup_sent; }; /* other querier */ -struct bridge_mcast_querier { +struct bridge_mcast_other_query { struct timer_list timer; unsigned long delay_time; }; @@ -178,9 +178,9 @@ struct net_bridge_port #define BR_PROMISC 0x00000080 #ifdef CONFIG_BRIDGE_IGMP_SNOOPING - struct bridge_mcast_query ip4_query; + struct bridge_mcast_own_query ip4_own_query; #if IS_ENABLED(CONFIG_IPV6) - struct bridge_mcast_query ip6_query; + struct bridge_mcast_own_query ip6_own_query; #endif /* IS_ENABLED(CONFIG_IPV6) */ unsigned char multicast_router; struct timer_list multicast_router_timer; @@ -282,11 +282,11 @@ struct net_bridge struct hlist_head router_list; struct timer_list multicast_router_timer; - struct bridge_mcast_querier ip4_querier; - struct bridge_mcast_query ip4_query; + struct bridge_mcast_other_query ip4_other_query; + struct bridge_mcast_own_query ip4_own_query; #if IS_ENABLED(CONFIG_IPV6) - struct bridge_mcast_querier ip6_querier; - struct bridge_mcast_query ip6_query; + struct bridge_mcast_other_query ip6_other_query; + struct bridge_mcast_own_query ip6_own_query; #endif /* IS_ENABLED(CONFIG_IPV6) */ #endif @@ -493,7 +493,7 @@ static inline bool br_multicast_is_router(struct net_bridge *br) static inline bool __br_multicast_querier_exists(struct net_bridge *br, - struct bridge_mcast_querier *querier) + struct bridge_mcast_other_query *querier) { return time_is_before_jiffies(querier->delay_time) && (br->multicast_querier || timer_pending(&querier->timer)); @@ -504,10 +504,10 @@ static inline bool br_multicast_querier_exists(struct net_bridge *br, { switch (eth->h_proto) { case (htons(ETH_P_IP)): - return __br_multicast_querier_exists(br, &br->ip4_querier); + return __br_multicast_querier_exists(br, &br->ip4_other_query); #if IS_ENABLED(CONFIG_IPV6) case (htons(ETH_P_IPV6)): - return __br_multicast_querier_exists(br, &br->ip6_querier); + return __br_multicast_querier_exists(br, &br->ip6_other_query); #endif default: return false; |