diff --git a/drivers/net/team/team.c b/drivers/net/team/team.c index 2587dc86d533..75159e4184fd 100644 --- a/drivers/net/team/team.c +++ b/drivers/net/team/team.c @@ -662,6 +662,46 @@ static void team_notify_peers_fini(struct team *team) } +/******************************* + * Send multicast group rejoins + *******************************/ + +static void team_mcast_rejoin_work(struct work_struct *work) +{ + struct team *team; + + team = container_of(work, struct team, mcast_rejoin.dw.work); + + if (!rtnl_trylock()) { + schedule_delayed_work(&team->mcast_rejoin.dw, 0); + return; + } + call_netdevice_notifiers(NETDEV_RESEND_IGMP, team->dev); + rtnl_unlock(); + if (!atomic_dec_and_test(&team->mcast_rejoin.count_pending)) + schedule_delayed_work(&team->mcast_rejoin.dw, + msecs_to_jiffies(team->mcast_rejoin.interval)); +} + +static void team_mcast_rejoin(struct team *team) +{ + if (!team->mcast_rejoin.count || !netif_running(team->dev)) + return; + atomic_set(&team->mcast_rejoin.count_pending, team->mcast_rejoin.count); + schedule_delayed_work(&team->mcast_rejoin.dw, 0); +} + +static void team_mcast_rejoin_init(struct team *team) +{ + INIT_DELAYED_WORK(&team->mcast_rejoin.dw, team_mcast_rejoin_work); +} + +static void team_mcast_rejoin_fini(struct team *team) +{ + cancel_delayed_work_sync(&team->mcast_rejoin.dw); +} + + /************************ * Rx path frame handler ************************/ @@ -887,6 +927,7 @@ static void team_port_enable(struct team *team, if (team->ops.port_enabled) team->ops.port_enabled(team, port); team_notify_peers(team); + team_mcast_rejoin(team); } static void __reconstruct_port_hlist(struct team *team, int rm_index) @@ -917,6 +958,7 @@ static void team_port_disable(struct team *team, team_queue_override_port_del(team, port); team_adjust_ops(team); team_notify_peers(team); + team_mcast_rejoin(team); } #define TEAM_VLAN_FEATURES (NETIF_F_ALL_CSUM | NETIF_F_SG | \ @@ -1275,6 +1317,34 @@ static int team_notify_peers_interval_set(struct team *team, return 0; } +static int team_mcast_rejoin_count_get(struct team *team, + struct team_gsetter_ctx *ctx) +{ + ctx->data.u32_val = team->mcast_rejoin.count; + return 0; +} + +static int team_mcast_rejoin_count_set(struct team *team, + struct team_gsetter_ctx *ctx) +{ + team->mcast_rejoin.count = ctx->data.u32_val; + return 0; +} + +static int team_mcast_rejoin_interval_get(struct team *team, + struct team_gsetter_ctx *ctx) +{ + ctx->data.u32_val = team->mcast_rejoin.interval; + return 0; +} + +static int team_mcast_rejoin_interval_set(struct team *team, + struct team_gsetter_ctx *ctx) +{ + team->mcast_rejoin.interval = ctx->data.u32_val; + return 0; +} + static int team_port_en_option_get(struct team *team, struct team_gsetter_ctx *ctx) { @@ -1398,6 +1468,18 @@ static const struct team_option team_options[] = { .getter = team_notify_peers_interval_get, .setter = team_notify_peers_interval_set, }, + { + .name = "mcast_rejoin_count", + .type = TEAM_OPTION_TYPE_U32, + .getter = team_mcast_rejoin_count_get, + .setter = team_mcast_rejoin_count_set, + }, + { + .name = "mcast_rejoin_interval", + .type = TEAM_OPTION_TYPE_U32, + .getter = team_mcast_rejoin_interval_get, + .setter = team_mcast_rejoin_interval_set, + }, { .name = "enabled", .type = TEAM_OPTION_TYPE_BOOL, @@ -1480,6 +1562,7 @@ static int team_init(struct net_device *dev) INIT_LIST_HEAD(&team->option_inst_list); team_notify_peers_init(team); + team_mcast_rejoin_init(team); err = team_options_register(team, team_options, ARRAY_SIZE(team_options)); if (err) @@ -1491,6 +1574,7 @@ static int team_init(struct net_device *dev) return 0; err_options_register: + team_mcast_rejoin_fini(team); team_notify_peers_fini(team); team_queue_override_fini(team); err_team_queue_override_init: @@ -1511,6 +1595,7 @@ static void team_uninit(struct net_device *dev) __team_change_mode(team, NULL); /* cleanup */ __team_options_unregister(team, team_options, ARRAY_SIZE(team_options)); + team_mcast_rejoin_fini(team); team_notify_peers_fini(team); team_queue_override_fini(team); mutex_unlock(&team->lock); diff --git a/include/linux/if_team.h b/include/linux/if_team.h index b0b83683461e..a899dc24be15 100644 --- a/include/linux/if_team.h +++ b/include/linux/if_team.h @@ -200,6 +200,12 @@ struct team { atomic_t count_pending; struct delayed_work dw; } notify_peers; + struct { + unsigned int count; + unsigned int interval; /* in ms */ + atomic_t count_pending; + struct delayed_work dw; + } mcast_rejoin; long mode_priv[TEAM_MODE_PRIV_LONGS]; };