diff options
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlxsw/spectrum.c | 8 | ||||
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlxsw/spectrum.h | 6 | ||||
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c | 105 |
3 files changed, 109 insertions, 10 deletions
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum.c index 83f9c2564f61..c3ae650fbe5e 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum.c @@ -4497,13 +4497,17 @@ static bool mlxsw_sp_is_vrf_event(unsigned long event, void *ptr) return netif_is_l3_master(info->upper_dev); } -static int mlxsw_sp_netdevice_event(struct notifier_block *unused, +static int mlxsw_sp_netdevice_event(struct notifier_block *nb, unsigned long event, void *ptr) { struct net_device *dev = netdev_notifier_info_to_dev(ptr); + struct mlxsw_sp *mlxsw_sp; int err = 0; - if (event == NETDEV_CHANGEADDR || event == NETDEV_CHANGEMTU) + mlxsw_sp = container_of(nb, struct mlxsw_sp, netdevice_nb); + if (mlxsw_sp_netdev_is_ipip(mlxsw_sp, dev)) + err = mlxsw_sp_netdevice_ipip_event(mlxsw_sp, dev, event); + else if (event == NETDEV_CHANGEADDR || event == NETDEV_CHANGEMTU) err = mlxsw_sp_netdevice_router_port_event(dev); else if (mlxsw_sp_is_vrf_event(event, ptr)) err = mlxsw_sp_netdevice_vrf_event(dev, event, ptr); diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum.h b/drivers/net/ethernet/mellanox/mlxsw/spectrum.h index e1a0157c0b94..a4f21afd7f00 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum.h +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum.h @@ -395,6 +395,12 @@ int mlxsw_sp_inet6addr_event(struct notifier_block *unused, unsigned long event, void *ptr); int mlxsw_sp_netdevice_vrf_event(struct net_device *l3_dev, unsigned long event, struct netdev_notifier_changeupper_info *info); +bool mlxsw_sp_netdev_is_ipip(const struct mlxsw_sp *mlxsw_sp, + const struct net_device *dev); +int +mlxsw_sp_netdevice_ipip_event(struct mlxsw_sp *mlxsw_sp, + struct net_device *l3_dev, + unsigned long event); void mlxsw_sp_port_vlan_router_leave(struct mlxsw_sp_port_vlan *mlxsw_sp_port_vlan); void mlxsw_sp_rif_destroy(struct mlxsw_sp_rif *rif); diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c index c5e574bf3e08..db834220a2fe 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c @@ -1206,7 +1206,6 @@ mlxsw_sp_ipip_entry_get(struct mlxsw_sp *mlxsw_sp, { u32 ul_tb_id = mlxsw_sp_ipip_dev_ul_tb_id(ol_dev); struct mlxsw_sp_router *router = mlxsw_sp->router; - struct mlxsw_sp_fib_entry *decap_fib_entry; struct mlxsw_sp_ipip_entry *ipip_entry; enum mlxsw_sp_l3proto ul_proto; union mlxsw_sp_l3addr saddr; @@ -1231,11 +1230,6 @@ mlxsw_sp_ipip_entry_get(struct mlxsw_sp *mlxsw_sp, if (IS_ERR(ipip_entry)) return ipip_entry; - decap_fib_entry = mlxsw_sp_ipip_entry_find_decap(mlxsw_sp, ipip_entry); - if (decap_fib_entry) - mlxsw_sp_ipip_entry_promote_decap(mlxsw_sp, ipip_entry, - decap_fib_entry); - list_add_tail(&ipip_entry->ipip_list_node, &mlxsw_sp->router->ipip_list); @@ -1250,8 +1244,6 @@ mlxsw_sp_ipip_entry_put(struct mlxsw_sp *mlxsw_sp, { if (--ipip_entry->ref_count == 0) { list_del(&ipip_entry->ipip_list_node); - if (ipip_entry->decap_fib_entry) - mlxsw_sp_ipip_entry_demote_decap(mlxsw_sp, ipip_entry); mlxsw_sp_ipip_entry_destroy(ipip_entry); } } @@ -1314,6 +1306,103 @@ static bool mlxsw_sp_netdev_ipip_type(const struct mlxsw_sp *mlxsw_sp, return false; } +bool mlxsw_sp_netdev_is_ipip(const struct mlxsw_sp *mlxsw_sp, + const struct net_device *dev) +{ + return mlxsw_sp_netdev_ipip_type(mlxsw_sp, dev, NULL); +} + +static struct mlxsw_sp_ipip_entry * +mlxsw_sp_ipip_entry_find_by_ol_dev(struct mlxsw_sp *mlxsw_sp, + const struct net_device *ol_dev) +{ + struct mlxsw_sp_ipip_entry *ipip_entry; + + list_for_each_entry(ipip_entry, &mlxsw_sp->router->ipip_list, + ipip_list_node) + if (ipip_entry->ol_dev == ol_dev) + return ipip_entry; + + return NULL; +} + +static int mlxsw_sp_netdevice_ipip_reg_event(struct mlxsw_sp *mlxsw_sp, + struct net_device *ol_dev) +{ + struct mlxsw_sp_router *router = mlxsw_sp->router; + struct mlxsw_sp_ipip_entry *ipip_entry; + enum mlxsw_sp_ipip_type ipipt; + + mlxsw_sp_netdev_ipip_type(mlxsw_sp, ol_dev, &ipipt); + if (router->ipip_ops_arr[ipipt]->can_offload(mlxsw_sp, ol_dev, + MLXSW_SP_L3_PROTO_IPV4) || + router->ipip_ops_arr[ipipt]->can_offload(mlxsw_sp, ol_dev, + MLXSW_SP_L3_PROTO_IPV6)) { + ipip_entry = mlxsw_sp_ipip_entry_get(mlxsw_sp, ipipt, ol_dev); + if (IS_ERR(ipip_entry)) + return PTR_ERR(ipip_entry); + } + + return 0; +} + +static void mlxsw_sp_netdevice_ipip_unreg_event(struct mlxsw_sp *mlxsw_sp, + struct net_device *ol_dev) +{ + struct mlxsw_sp_ipip_entry *ipip_entry; + + ipip_entry = mlxsw_sp_ipip_entry_find_by_ol_dev(mlxsw_sp, ol_dev); + if (ipip_entry) + mlxsw_sp_ipip_entry_put(mlxsw_sp, ipip_entry); +} + +static int mlxsw_sp_netdevice_ipip_up_event(struct mlxsw_sp *mlxsw_sp, + struct net_device *ol_dev) +{ + struct mlxsw_sp_fib_entry *decap_fib_entry; + struct mlxsw_sp_ipip_entry *ipip_entry; + + ipip_entry = mlxsw_sp_ipip_entry_find_by_ol_dev(mlxsw_sp, ol_dev); + if (ipip_entry) { + decap_fib_entry = mlxsw_sp_ipip_entry_find_decap(mlxsw_sp, + ipip_entry); + if (decap_fib_entry) + mlxsw_sp_ipip_entry_promote_decap(mlxsw_sp, ipip_entry, + decap_fib_entry); + } + + return 0; +} + +static void mlxsw_sp_netdevice_ipip_down_event(struct mlxsw_sp *mlxsw_sp, + struct net_device *ol_dev) +{ + struct mlxsw_sp_ipip_entry *ipip_entry; + + ipip_entry = mlxsw_sp_ipip_entry_find_by_ol_dev(mlxsw_sp, ol_dev); + if (ipip_entry && ipip_entry->decap_fib_entry) + mlxsw_sp_ipip_entry_demote_decap(mlxsw_sp, ipip_entry); +} + +int mlxsw_sp_netdevice_ipip_event(struct mlxsw_sp *mlxsw_sp, + struct net_device *ol_dev, + unsigned long event) +{ + switch (event) { + case NETDEV_REGISTER: + return mlxsw_sp_netdevice_ipip_reg_event(mlxsw_sp, ol_dev); + case NETDEV_UNREGISTER: + mlxsw_sp_netdevice_ipip_unreg_event(mlxsw_sp, ol_dev); + return 0; + case NETDEV_UP: + return mlxsw_sp_netdevice_ipip_up_event(mlxsw_sp, ol_dev); + case NETDEV_DOWN: + mlxsw_sp_netdevice_ipip_down_event(mlxsw_sp, ol_dev); + return 0; + } + return 0; +} + struct mlxsw_sp_neigh_key { struct neighbour *n; }; |