diff options
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlxsw/spectrum.c | 541 | ||||
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlxsw/spectrum.h | 45 | ||||
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c | 700 |
3 files changed, 644 insertions, 642 deletions
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum.c index cb0e77ad4c0a..2104ee47e965 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum.c @@ -3352,7 +3352,7 @@ static struct mlxsw_sp_port *mlxsw_sp_port_dev_lower_find(struct net_device *dev return mlxsw_sp_port; } -static struct mlxsw_sp *mlxsw_sp_lower_get(struct net_device *dev) +struct mlxsw_sp *mlxsw_sp_lower_get(struct net_device *dev) { struct mlxsw_sp_port *mlxsw_sp_port; @@ -3391,545 +3391,6 @@ void mlxsw_sp_port_dev_put(struct mlxsw_sp_port *mlxsw_sp_port) dev_put(mlxsw_sp_port->dev); } -static bool mlxsw_sp_rif_should_config(struct mlxsw_sp_rif *r, - const struct in_device *in_dev, - unsigned long event) -{ - switch (event) { - case NETDEV_UP: - if (!r) - return true; - return false; - case NETDEV_DOWN: - if (r && !in_dev->ifa_list) - return true; - /* It is possible we already removed the RIF ourselves - * if it was assigned to a netdev that is now a bridge - * or LAG slave. - */ - return false; - } - - return false; -} - -static int mlxsw_sp_avail_rif_get(struct mlxsw_sp *mlxsw_sp) -{ - int i; - - for (i = 0; i < MLXSW_CORE_RES_GET(mlxsw_sp->core, MAX_RIFS); i++) - if (!mlxsw_sp->rifs[i]) - return i; - - return MLXSW_SP_INVALID_RIF; -} - -static void mlxsw_sp_vport_rif_sp_attr_get(struct mlxsw_sp_port *mlxsw_sp_vport, - bool *p_lagged, u16 *p_system_port) -{ - u8 local_port = mlxsw_sp_vport->local_port; - - *p_lagged = mlxsw_sp_vport->lagged; - *p_system_port = *p_lagged ? mlxsw_sp_vport->lag_id : local_port; -} - -static int mlxsw_sp_vport_rif_sp_op(struct mlxsw_sp_port *mlxsw_sp_vport, - struct net_device *l3_dev, u16 rif, - bool create) -{ - struct mlxsw_sp *mlxsw_sp = mlxsw_sp_vport->mlxsw_sp; - bool lagged = mlxsw_sp_vport->lagged; - char ritr_pl[MLXSW_REG_RITR_LEN]; - u16 system_port; - - mlxsw_reg_ritr_pack(ritr_pl, create, MLXSW_REG_RITR_SP_IF, rif, - l3_dev->mtu, l3_dev->dev_addr); - - mlxsw_sp_vport_rif_sp_attr_get(mlxsw_sp_vport, &lagged, &system_port); - mlxsw_reg_ritr_sp_if_pack(ritr_pl, lagged, system_port, - mlxsw_sp_vport_vid_get(mlxsw_sp_vport)); - - return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(ritr), ritr_pl); -} - -static void mlxsw_sp_vport_rif_sp_leave(struct mlxsw_sp_port *mlxsw_sp_vport); - -static struct mlxsw_sp_fid * -mlxsw_sp_rfid_alloc(u16 fid, struct net_device *l3_dev) -{ - struct mlxsw_sp_fid *f; - - f = kzalloc(sizeof(*f), GFP_KERNEL); - if (!f) - return NULL; - - f->leave = mlxsw_sp_vport_rif_sp_leave; - f->ref_count = 0; - f->dev = l3_dev; - f->fid = fid; - - return f; -} - -static struct mlxsw_sp_rif * -mlxsw_sp_rif_alloc(u16 rif, struct net_device *l3_dev, struct mlxsw_sp_fid *f) -{ - struct mlxsw_sp_rif *r; - - r = kzalloc(sizeof(*r), GFP_KERNEL); - if (!r) - return NULL; - - INIT_LIST_HEAD(&r->nexthop_list); - INIT_LIST_HEAD(&r->neigh_list); - ether_addr_copy(r->addr, l3_dev->dev_addr); - r->mtu = l3_dev->mtu; - r->dev = l3_dev; - r->rif = rif; - r->f = f; - - return r; -} - -static struct mlxsw_sp_rif * -mlxsw_sp_vport_rif_sp_create(struct mlxsw_sp_port *mlxsw_sp_vport, - struct net_device *l3_dev) -{ - struct mlxsw_sp *mlxsw_sp = mlxsw_sp_vport->mlxsw_sp; - struct mlxsw_sp_fid *f; - struct mlxsw_sp_rif *r; - u16 fid, rif; - int err; - - rif = mlxsw_sp_avail_rif_get(mlxsw_sp); - if (rif == MLXSW_SP_INVALID_RIF) - return ERR_PTR(-ERANGE); - - err = mlxsw_sp_vport_rif_sp_op(mlxsw_sp_vport, l3_dev, rif, true); - if (err) - return ERR_PTR(err); - - fid = mlxsw_sp_rif_sp_to_fid(rif); - err = mlxsw_sp_rif_fdb_op(mlxsw_sp, l3_dev->dev_addr, fid, true); - if (err) - goto err_rif_fdb_op; - - f = mlxsw_sp_rfid_alloc(fid, l3_dev); - if (!f) { - err = -ENOMEM; - goto err_rfid_alloc; - } - - r = mlxsw_sp_rif_alloc(rif, l3_dev, f); - if (!r) { - err = -ENOMEM; - goto err_rif_alloc; - } - - f->r = r; - mlxsw_sp->rifs[rif] = r; - - return r; - -err_rif_alloc: - kfree(f); -err_rfid_alloc: - mlxsw_sp_rif_fdb_op(mlxsw_sp, l3_dev->dev_addr, fid, false); -err_rif_fdb_op: - mlxsw_sp_vport_rif_sp_op(mlxsw_sp_vport, l3_dev, rif, false); - return ERR_PTR(err); -} - -static void mlxsw_sp_vport_rif_sp_destroy(struct mlxsw_sp_port *mlxsw_sp_vport, - struct mlxsw_sp_rif *r) -{ - struct mlxsw_sp *mlxsw_sp = mlxsw_sp_vport->mlxsw_sp; - struct net_device *l3_dev = r->dev; - struct mlxsw_sp_fid *f = r->f; - u16 fid = f->fid; - u16 rif = r->rif; - - mlxsw_sp_router_rif_gone_sync(mlxsw_sp, r); - - mlxsw_sp->rifs[rif] = NULL; - f->r = NULL; - - kfree(r); - - kfree(f); - - mlxsw_sp_rif_fdb_op(mlxsw_sp, l3_dev->dev_addr, fid, false); - - mlxsw_sp_vport_rif_sp_op(mlxsw_sp_vport, l3_dev, rif, false); -} - -static int mlxsw_sp_vport_rif_sp_join(struct mlxsw_sp_port *mlxsw_sp_vport, - struct net_device *l3_dev) -{ - struct mlxsw_sp *mlxsw_sp = mlxsw_sp_vport->mlxsw_sp; - struct mlxsw_sp_rif *r; - - r = mlxsw_sp_rif_find_by_dev(mlxsw_sp, l3_dev); - if (!r) { - r = mlxsw_sp_vport_rif_sp_create(mlxsw_sp_vport, l3_dev); - if (IS_ERR(r)) - return PTR_ERR(r); - } - - mlxsw_sp_vport_fid_set(mlxsw_sp_vport, r->f); - r->f->ref_count++; - - netdev_dbg(mlxsw_sp_vport->dev, "Joined FID=%d\n", r->f->fid); - - return 0; -} - -static void mlxsw_sp_vport_rif_sp_leave(struct mlxsw_sp_port *mlxsw_sp_vport) -{ - struct mlxsw_sp_fid *f = mlxsw_sp_vport_fid_get(mlxsw_sp_vport); - - netdev_dbg(mlxsw_sp_vport->dev, "Left FID=%d\n", f->fid); - - mlxsw_sp_vport_fid_set(mlxsw_sp_vport, NULL); - if (--f->ref_count == 0) - mlxsw_sp_vport_rif_sp_destroy(mlxsw_sp_vport, f->r); -} - -static int mlxsw_sp_inetaddr_vport_event(struct net_device *l3_dev, - struct net_device *port_dev, - unsigned long event, u16 vid) -{ - struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(port_dev); - struct mlxsw_sp_port *mlxsw_sp_vport; - - mlxsw_sp_vport = mlxsw_sp_port_vport_find(mlxsw_sp_port, vid); - if (WARN_ON(!mlxsw_sp_vport)) - return -EINVAL; - - switch (event) { - case NETDEV_UP: - return mlxsw_sp_vport_rif_sp_join(mlxsw_sp_vport, l3_dev); - case NETDEV_DOWN: - mlxsw_sp_vport_rif_sp_leave(mlxsw_sp_vport); - break; - } - - return 0; -} - -static int mlxsw_sp_inetaddr_port_event(struct net_device *port_dev, - unsigned long event) -{ - if (netif_is_bridge_port(port_dev) || netif_is_lag_port(port_dev)) - return 0; - - return mlxsw_sp_inetaddr_vport_event(port_dev, port_dev, event, 1); -} - -static int __mlxsw_sp_inetaddr_lag_event(struct net_device *l3_dev, - struct net_device *lag_dev, - unsigned long event, u16 vid) -{ - struct net_device *port_dev; - struct list_head *iter; - int err; - - netdev_for_each_lower_dev(lag_dev, port_dev, iter) { - if (mlxsw_sp_port_dev_check(port_dev)) { - err = mlxsw_sp_inetaddr_vport_event(l3_dev, port_dev, - event, vid); - if (err) - return err; - } - } - - return 0; -} - -static int mlxsw_sp_inetaddr_lag_event(struct net_device *lag_dev, - unsigned long event) -{ - if (netif_is_bridge_port(lag_dev)) - return 0; - - return __mlxsw_sp_inetaddr_lag_event(lag_dev, lag_dev, event, 1); -} - -static struct mlxsw_sp_fid *mlxsw_sp_bridge_fid_get(struct mlxsw_sp *mlxsw_sp, - struct net_device *l3_dev) -{ - u16 fid; - - if (is_vlan_dev(l3_dev)) - fid = vlan_dev_vlan_id(l3_dev); - else if (mlxsw_sp->master_bridge.dev == l3_dev) - fid = 1; - else - return mlxsw_sp_vfid_find(mlxsw_sp, l3_dev); - - return mlxsw_sp_fid_find(mlxsw_sp, fid); -} - -static enum mlxsw_flood_table_type mlxsw_sp_flood_table_type_get(u16 fid) -{ - return mlxsw_sp_fid_is_vfid(fid) ? MLXSW_REG_SFGC_TABLE_TYPE_FID : - MLXSW_REG_SFGC_TABLE_TYPE_FID_OFFEST; -} - -static u16 mlxsw_sp_flood_table_index_get(u16 fid) -{ - return mlxsw_sp_fid_is_vfid(fid) ? mlxsw_sp_fid_to_vfid(fid) : fid; -} - -static int mlxsw_sp_router_port_flood_set(struct mlxsw_sp *mlxsw_sp, u16 fid, - bool set) -{ - enum mlxsw_flood_table_type table_type; - char *sftr_pl; - u16 index; - int err; - - sftr_pl = kmalloc(MLXSW_REG_SFTR_LEN, GFP_KERNEL); - if (!sftr_pl) - return -ENOMEM; - - table_type = mlxsw_sp_flood_table_type_get(fid); - index = mlxsw_sp_flood_table_index_get(fid); - mlxsw_reg_sftr_pack(sftr_pl, MLXSW_SP_FLOOD_TABLE_BC, index, table_type, - 1, MLXSW_PORT_ROUTER_PORT, set); - err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sftr), sftr_pl); - - kfree(sftr_pl); - return err; -} - -static enum mlxsw_reg_ritr_if_type mlxsw_sp_rif_type_get(u16 fid) -{ - if (mlxsw_sp_fid_is_vfid(fid)) - return MLXSW_REG_RITR_FID_IF; - else - return MLXSW_REG_RITR_VLAN_IF; -} - -static int mlxsw_sp_rif_bridge_op(struct mlxsw_sp *mlxsw_sp, - struct net_device *l3_dev, - u16 fid, u16 rif, - bool create) -{ - enum mlxsw_reg_ritr_if_type rif_type; - char ritr_pl[MLXSW_REG_RITR_LEN]; - - rif_type = mlxsw_sp_rif_type_get(fid); - mlxsw_reg_ritr_pack(ritr_pl, create, rif_type, rif, l3_dev->mtu, - l3_dev->dev_addr); - mlxsw_reg_ritr_fid_set(ritr_pl, rif_type, fid); - - return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(ritr), ritr_pl); -} - -static int mlxsw_sp_rif_bridge_create(struct mlxsw_sp *mlxsw_sp, - struct net_device *l3_dev, - struct mlxsw_sp_fid *f) -{ - struct mlxsw_sp_rif *r; - u16 rif; - int err; - - rif = mlxsw_sp_avail_rif_get(mlxsw_sp); - if (rif == MLXSW_SP_INVALID_RIF) - return -ERANGE; - - err = mlxsw_sp_router_port_flood_set(mlxsw_sp, f->fid, true); - if (err) - return err; - - err = mlxsw_sp_rif_bridge_op(mlxsw_sp, l3_dev, f->fid, rif, true); - if (err) - goto err_rif_bridge_op; - - err = mlxsw_sp_rif_fdb_op(mlxsw_sp, l3_dev->dev_addr, f->fid, true); - if (err) - goto err_rif_fdb_op; - - r = mlxsw_sp_rif_alloc(rif, l3_dev, f); - if (!r) { - err = -ENOMEM; - goto err_rif_alloc; - } - - f->r = r; - mlxsw_sp->rifs[rif] = r; - - netdev_dbg(l3_dev, "RIF=%d created\n", rif); - - return 0; - -err_rif_alloc: - mlxsw_sp_rif_fdb_op(mlxsw_sp, l3_dev->dev_addr, f->fid, false); -err_rif_fdb_op: - mlxsw_sp_rif_bridge_op(mlxsw_sp, l3_dev, f->fid, rif, false); -err_rif_bridge_op: - mlxsw_sp_router_port_flood_set(mlxsw_sp, f->fid, false); - return err; -} - -void mlxsw_sp_rif_bridge_destroy(struct mlxsw_sp *mlxsw_sp, - struct mlxsw_sp_rif *r) -{ - struct net_device *l3_dev = r->dev; - struct mlxsw_sp_fid *f = r->f; - u16 rif = r->rif; - - mlxsw_sp_router_rif_gone_sync(mlxsw_sp, r); - - mlxsw_sp->rifs[rif] = NULL; - f->r = NULL; - - kfree(r); - - mlxsw_sp_rif_fdb_op(mlxsw_sp, l3_dev->dev_addr, f->fid, false); - - mlxsw_sp_rif_bridge_op(mlxsw_sp, l3_dev, f->fid, rif, false); - - mlxsw_sp_router_port_flood_set(mlxsw_sp, f->fid, false); - - netdev_dbg(l3_dev, "RIF=%d destroyed\n", rif); -} - -static int mlxsw_sp_inetaddr_bridge_event(struct net_device *l3_dev, - struct net_device *br_dev, - unsigned long event) -{ - struct mlxsw_sp *mlxsw_sp = mlxsw_sp_lower_get(l3_dev); - struct mlxsw_sp_fid *f; - - /* FID can either be an actual FID if the L3 device is the - * VLAN-aware bridge or a VLAN device on top. Otherwise, the - * L3 device is a VLAN-unaware bridge and we get a vFID. - */ - f = mlxsw_sp_bridge_fid_get(mlxsw_sp, l3_dev); - if (WARN_ON(!f)) - return -EINVAL; - - switch (event) { - case NETDEV_UP: - return mlxsw_sp_rif_bridge_create(mlxsw_sp, l3_dev, f); - case NETDEV_DOWN: - mlxsw_sp_rif_bridge_destroy(mlxsw_sp, f->r); - break; - } - - return 0; -} - -static int mlxsw_sp_inetaddr_vlan_event(struct net_device *vlan_dev, - unsigned long event) -{ - struct net_device *real_dev = vlan_dev_real_dev(vlan_dev); - struct mlxsw_sp *mlxsw_sp = mlxsw_sp_lower_get(vlan_dev); - u16 vid = vlan_dev_vlan_id(vlan_dev); - - if (mlxsw_sp_port_dev_check(real_dev)) - return mlxsw_sp_inetaddr_vport_event(vlan_dev, real_dev, event, - vid); - else if (netif_is_lag_master(real_dev)) - return __mlxsw_sp_inetaddr_lag_event(vlan_dev, real_dev, event, - vid); - else if (netif_is_bridge_master(real_dev) && - mlxsw_sp->master_bridge.dev == real_dev) - return mlxsw_sp_inetaddr_bridge_event(vlan_dev, real_dev, - event); - - return 0; -} - -static int mlxsw_sp_inetaddr_event(struct notifier_block *unused, - unsigned long event, void *ptr) -{ - struct in_ifaddr *ifa = (struct in_ifaddr *) ptr; - struct net_device *dev = ifa->ifa_dev->dev; - struct mlxsw_sp *mlxsw_sp; - struct mlxsw_sp_rif *r; - int err = 0; - - mlxsw_sp = mlxsw_sp_lower_get(dev); - if (!mlxsw_sp) - goto out; - - r = mlxsw_sp_rif_find_by_dev(mlxsw_sp, dev); - if (!mlxsw_sp_rif_should_config(r, ifa->ifa_dev, event)) - goto out; - - if (mlxsw_sp_port_dev_check(dev)) - err = mlxsw_sp_inetaddr_port_event(dev, event); - else if (netif_is_lag_master(dev)) - err = mlxsw_sp_inetaddr_lag_event(dev, event); - else if (netif_is_bridge_master(dev)) - err = mlxsw_sp_inetaddr_bridge_event(dev, dev, event); - else if (is_vlan_dev(dev)) - err = mlxsw_sp_inetaddr_vlan_event(dev, event); - -out: - return notifier_from_errno(err); -} - -static int mlxsw_sp_rif_edit(struct mlxsw_sp *mlxsw_sp, u16 rif, - const char *mac, int mtu) -{ - char ritr_pl[MLXSW_REG_RITR_LEN]; - int err; - - mlxsw_reg_ritr_rif_pack(ritr_pl, rif); - err = mlxsw_reg_query(mlxsw_sp->core, MLXSW_REG(ritr), ritr_pl); - if (err) - return err; - - mlxsw_reg_ritr_mtu_set(ritr_pl, mtu); - mlxsw_reg_ritr_if_mac_memcpy_to(ritr_pl, mac); - mlxsw_reg_ritr_op_set(ritr_pl, MLXSW_REG_RITR_RIF_CREATE); - return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(ritr), ritr_pl); -} - -static int mlxsw_sp_netdevice_router_port_event(struct net_device *dev) -{ - struct mlxsw_sp *mlxsw_sp; - struct mlxsw_sp_rif *r; - int err; - - mlxsw_sp = mlxsw_sp_lower_get(dev); - if (!mlxsw_sp) - return 0; - - r = mlxsw_sp_rif_find_by_dev(mlxsw_sp, dev); - if (!r) - return 0; - - err = mlxsw_sp_rif_fdb_op(mlxsw_sp, r->addr, r->f->fid, false); - if (err) - return err; - - err = mlxsw_sp_rif_edit(mlxsw_sp, r->rif, dev->dev_addr, dev->mtu); - if (err) - goto err_rif_edit; - - err = mlxsw_sp_rif_fdb_op(mlxsw_sp, dev->dev_addr, r->f->fid, true); - if (err) - goto err_rif_fdb_op; - - ether_addr_copy(r->addr, dev->dev_addr); - r->mtu = dev->mtu; - - netdev_dbg(dev, "Updated RIF=%d\n", r->rif); - - return 0; - -err_rif_fdb_op: - mlxsw_sp_rif_edit(mlxsw_sp, r->rif, r->addr, r->mtu); -err_rif_edit: - mlxsw_sp_rif_fdb_op(mlxsw_sp, r->addr, r->f->fid, true); - return err; -} - static bool mlxsw_sp_lag_port_fid_member(struct mlxsw_sp_port *lag_port, u16 fid) { diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum.h b/drivers/net/ethernet/mellanox/mlxsw/spectrum.h index 7805430e5d4f..5bc60421a860 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum.h +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum.h @@ -58,7 +58,6 @@ #define MLXSW_SP_VFID_MAX 1024 /* Bridged VLAN interfaces */ #define MLXSW_SP_RFID_BASE 15360 -#define MLXSW_SP_INVALID_RIF 0xffff #define MLXSW_SP_MID_MAX 7000 @@ -92,6 +91,7 @@ static inline u16 mlxsw_sp_pfc_delay_get(int mtu, u16 delay) } struct mlxsw_sp_port; +struct mlxsw_sp_rif; struct mlxsw_sp_upper { struct net_device *dev; @@ -107,16 +107,6 @@ struct mlxsw_sp_fid { u16 fid; }; -struct mlxsw_sp_rif { - struct list_head nexthop_list; - struct list_head neigh_list; - struct net_device *dev; - struct mlxsw_sp_fid *f; - unsigned char addr[ETH_ALEN]; - int mtu; - u16 rif; -}; - struct mlxsw_sp_mid { struct list_head list; unsigned char addr[ETH_ALEN]; @@ -140,16 +130,6 @@ static inline bool mlxsw_sp_fid_is_vfid(u16 fid) return fid >= MLXSW_SP_VFID_BASE && fid < MLXSW_SP_RFID_BASE; } -static inline bool mlxsw_sp_fid_is_rfid(u16 fid) -{ - return fid >= MLXSW_SP_RFID_BASE; -} - -static inline u16 mlxsw_sp_rif_sp_to_fid(u16 rif) -{ - return MLXSW_SP_RFID_BASE + rif; -} - struct mlxsw_sp_sb_pr { enum mlxsw_reg_sbpr_mode mode; u32 size; @@ -385,6 +365,7 @@ struct mlxsw_sp_port { }; bool mlxsw_sp_port_dev_check(const struct net_device *dev); +struct mlxsw_sp *mlxsw_sp_lower_get(struct net_device *dev); struct mlxsw_sp_port *mlxsw_sp_port_lower_dev_hold(struct net_device *dev); void mlxsw_sp_port_dev_put(struct mlxsw_sp_port *mlxsw_sp_port); @@ -496,19 +477,6 @@ mlxsw_sp_vfid_find(const struct mlxsw_sp *mlxsw_sp, return NULL; } -static inline struct mlxsw_sp_rif * -mlxsw_sp_rif_find_by_dev(const struct mlxsw_sp *mlxsw_sp, - const struct net_device *dev) -{ - int i; - - for (i = 0; i < MLXSW_CORE_RES_GET(mlxsw_sp->core, MAX_RIFS); i++) - if (mlxsw_sp->rifs[i] && mlxsw_sp->rifs[i]->dev == dev) - return mlxsw_sp->rifs[i]; - - return NULL; -} - enum mlxsw_sp_flood_table { MLXSW_SP_FLOOD_TABLE_UC, MLXSW_SP_FLOOD_TABLE_BC, @@ -569,8 +537,6 @@ int mlxsw_sp_rif_fdb_op(struct mlxsw_sp *mlxsw_sp, const char *mac, u16 fid, bool adding); struct mlxsw_sp_fid *mlxsw_sp_fid_create(struct mlxsw_sp *mlxsw_sp, u16 fid); void mlxsw_sp_fid_destroy(struct mlxsw_sp *mlxsw_sp, struct mlxsw_sp_fid *f); -void mlxsw_sp_rif_bridge_destroy(struct mlxsw_sp *mlxsw_sp, - struct mlxsw_sp_rif *r); int mlxsw_sp_port_ets_set(struct mlxsw_sp_port *mlxsw_sp_port, enum mlxsw_reg_qeec_hr hr, u8 index, u8 next_index, bool dwrr, u8 dwrr_weight); @@ -607,8 +573,11 @@ int mlxsw_sp_router_init(struct mlxsw_sp *mlxsw_sp); void mlxsw_sp_router_fini(struct mlxsw_sp *mlxsw_sp); int mlxsw_sp_router_netevent_event(struct notifier_block *unused, unsigned long event, void *ptr); -void mlxsw_sp_router_rif_gone_sync(struct mlxsw_sp *mlxsw_sp, - struct mlxsw_sp_rif *r); +int mlxsw_sp_netdevice_router_port_event(struct net_device *dev); +int mlxsw_sp_inetaddr_event(struct notifier_block *unused, + unsigned long event, void *ptr); +void mlxsw_sp_rif_bridge_destroy(struct mlxsw_sp *mlxsw_sp, + struct mlxsw_sp_rif *r); int mlxsw_sp_kvdl_alloc(struct mlxsw_sp *mlxsw_sp, unsigned int entry_count); void mlxsw_sp_kvdl_free(struct mlxsw_sp *mlxsw_sp, int entry_index); diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c index 2fc4a9751469..1839ba05f4dd 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c @@ -50,6 +50,20 @@ #include "core.h" #include "reg.h" +struct mlxsw_sp_rif { + struct list_head nexthop_list; + struct list_head neigh_list; + struct net_device *dev; + struct mlxsw_sp_fid *f; + unsigned char addr[ETH_ALEN]; + int mtu; + u16 rif; +}; + +static struct mlxsw_sp_rif * +mlxsw_sp_rif_find_by_dev(const struct mlxsw_sp *mlxsw_sp, + const struct net_device *dev); + #define mlxsw_sp_prefix_usage_for_each(prefix, prefix_usage) \ for_each_set_bit(prefix, (prefix_usage)->b, MLXSW_SP_PREFIX_COUNT) @@ -2452,70 +2466,6 @@ static void mlxsw_sp_router_fib4_abort(struct mlxsw_sp *mlxsw_sp) dev_warn(mlxsw_sp->bus_info->dev, "Failed to set abort trap.\n"); } -static int mlxsw_sp_router_rif_disable(struct mlxsw_sp *mlxsw_sp, u16 rif) -{ - char ritr_pl[MLXSW_REG_RITR_LEN]; - int err; - - mlxsw_reg_ritr_rif_pack(ritr_pl, rif); - err = mlxsw_reg_query(mlxsw_sp->core, MLXSW_REG(ritr), ritr_pl); - if (WARN_ON_ONCE(err)) - return err; - - mlxsw_reg_ritr_enable_set(ritr_pl, false); - return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(ritr), ritr_pl); -} - -void mlxsw_sp_router_rif_gone_sync(struct mlxsw_sp *mlxsw_sp, - struct mlxsw_sp_rif *r) -{ - mlxsw_sp_router_rif_disable(mlxsw_sp, r->rif); - mlxsw_sp_nexthop_rif_gone_sync(mlxsw_sp, r); - mlxsw_sp_neigh_rif_gone_sync(mlxsw_sp, r); -} - -static int __mlxsw_sp_router_init(struct mlxsw_sp *mlxsw_sp) -{ - char rgcr_pl[MLXSW_REG_RGCR_LEN]; - u64 max_rifs; - int err; - - if (!MLXSW_CORE_RES_VALID(mlxsw_sp->core, MAX_RIFS)) - return -EIO; - - max_rifs = MLXSW_CORE_RES_GET(mlxsw_sp->core, MAX_RIFS); - mlxsw_sp->rifs = kcalloc(max_rifs, sizeof(struct mlxsw_sp_rif *), - GFP_KERNEL); - if (!mlxsw_sp->rifs) - return -ENOMEM; - - mlxsw_reg_rgcr_pack(rgcr_pl, true); - mlxsw_reg_rgcr_max_router_interfaces_set(rgcr_pl, max_rifs); - err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(rgcr), rgcr_pl); - if (err) - goto err_rgcr_fail; - - return 0; - -err_rgcr_fail: - kfree(mlxsw_sp->rifs); - return err; -} - -static void __mlxsw_sp_router_fini(struct mlxsw_sp *mlxsw_sp) -{ - char rgcr_pl[MLXSW_REG_RGCR_LEN]; - int i; - - mlxsw_reg_rgcr_pack(rgcr_pl, false); - mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(rgcr), rgcr_pl); - - for (i = 0; i < MLXSW_CORE_RES_GET(mlxsw_sp->core, MAX_RIFS); i++) - WARN_ON_ONCE(mlxsw_sp->rifs[i]); - - kfree(mlxsw_sp->rifs); -} - struct mlxsw_sp_fib_event_work { struct work_struct work; union { @@ -2609,6 +2559,586 @@ static int mlxsw_sp_router_fib_event(struct notifier_block *nb, return NOTIFY_DONE; } +static struct mlxsw_sp_rif * +mlxsw_sp_rif_find_by_dev(const struct mlxsw_sp *mlxsw_sp, + const struct net_device *dev) +{ + int i; + + for (i = 0; i < MLXSW_CORE_RES_GET(mlxsw_sp->core, MAX_RIFS); i++) + if (mlxsw_sp->rifs[i] && mlxsw_sp->rifs[i]->dev == dev) + return mlxsw_sp->rifs[i]; + + return NULL; +} + +static int mlxsw_sp_router_rif_disable(struct mlxsw_sp *mlxsw_sp, u16 rif) +{ + char ritr_pl[MLXSW_REG_RITR_LEN]; + int err; + + mlxsw_reg_ritr_rif_pack(ritr_pl, rif); + err = mlxsw_reg_query(mlxsw_sp->core, MLXSW_REG(ritr), ritr_pl); + if (WARN_ON_ONCE(err)) + return err; + + mlxsw_reg_ritr_enable_set(ritr_pl, false); + return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(ritr), ritr_pl); +} + +static void mlxsw_sp_router_rif_gone_sync(struct mlxsw_sp *mlxsw_sp, + struct mlxsw_sp_rif *r) +{ + mlxsw_sp_router_rif_disable(mlxsw_sp, r->rif); + mlxsw_sp_nexthop_rif_gone_sync(mlxsw_sp, r); + mlxsw_sp_neigh_rif_gone_sync(mlxsw_sp, r); +} + +static bool mlxsw_sp_rif_should_config(struct mlxsw_sp_rif *r, + const struct in_device *in_dev, + unsigned long event) +{ + switch (event) { + case NETDEV_UP: + if (!r) + return true; + return false; + case NETDEV_DOWN: + if (r && !in_dev->ifa_list) + return true; + /* It is possible we already removed the RIF ourselves + * if it was assigned to a netdev that is now a bridge + * or LAG slave. + */ + return false; + } + + return false; +} + +#define MLXSW_SP_INVALID_RIF 0xffff +static int mlxsw_sp_avail_rif_get(struct mlxsw_sp *mlxsw_sp) +{ + int i; + + for (i = 0; i < MLXSW_CORE_RES_GET(mlxsw_sp->core, MAX_RIFS); i++) + if (!mlxsw_sp->rifs[i]) + return i; + + return MLXSW_SP_INVALID_RIF; +} + +static void mlxsw_sp_vport_rif_sp_attr_get(struct mlxsw_sp_port *mlxsw_sp_vport, + bool *p_lagged, u16 *p_system_port) +{ + u8 local_port = mlxsw_sp_vport->local_port; + + *p_lagged = mlxsw_sp_vport->lagged; + *p_system_port = *p_lagged ? mlxsw_sp_vport->lag_id : local_port; +} + +static int mlxsw_sp_vport_rif_sp_op(struct mlxsw_sp_port *mlxsw_sp_vport, + struct net_device *l3_dev, u16 rif, + bool create) +{ + struct mlxsw_sp *mlxsw_sp = mlxsw_sp_vport->mlxsw_sp; + bool lagged = mlxsw_sp_vport->lagged; + char ritr_pl[MLXSW_REG_RITR_LEN]; + u16 system_port; + + mlxsw_reg_ritr_pack(ritr_pl, create, MLXSW_REG_RITR_SP_IF, rif, + l3_dev->mtu, l3_dev->dev_addr); + + mlxsw_sp_vport_rif_sp_attr_get(mlxsw_sp_vport, &lagged, &system_port); + mlxsw_reg_ritr_sp_if_pack(ritr_pl, lagged, system_port, + mlxsw_sp_vport_vid_get(mlxsw_sp_vport)); + + return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(ritr), ritr_pl); +} + +static void mlxsw_sp_vport_rif_sp_leave(struct mlxsw_sp_port *mlxsw_sp_vport); + +static u16 mlxsw_sp_rif_sp_to_fid(u16 rif) +{ + return MLXSW_SP_RFID_BASE + rif; +} + +static struct mlxsw_sp_fid * +mlxsw_sp_rfid_alloc(u16 fid, struct net_device *l3_dev) +{ + struct mlxsw_sp_fid *f; + + f = kzalloc(sizeof(*f), GFP_KERNEL); + if (!f) + return NULL; + + f->leave = mlxsw_sp_vport_rif_sp_leave; + f->ref_count = 0; + f->dev = l3_dev; + f->fid = fid; + + return f; +} + +static struct mlxsw_sp_rif * +mlxsw_sp_rif_alloc(u16 rif, struct net_device *l3_dev, struct mlxsw_sp_fid *f) +{ + struct mlxsw_sp_rif *r; + + r = kzalloc(sizeof(*r), GFP_KERNEL); + if (!r) + return NULL; + + INIT_LIST_HEAD(&r->nexthop_list); + INIT_LIST_HEAD(&r->neigh_list); + ether_addr_copy(r->addr, l3_dev->dev_addr); + r->mtu = l3_dev->mtu; + r->dev = l3_dev; + r->rif = rif; + r->f = f; + + return r; +} + +static struct mlxsw_sp_rif * +mlxsw_sp_vport_rif_sp_create(struct mlxsw_sp_port *mlxsw_sp_vport, + struct net_device *l3_dev) +{ + struct mlxsw_sp *mlxsw_sp = mlxsw_sp_vport->mlxsw_sp; + struct mlxsw_sp_fid *f; + struct mlxsw_sp_rif *r; + u16 fid, rif; + int err; + + rif = mlxsw_sp_avail_rif_get(mlxsw_sp); + if (rif == MLXSW_SP_INVALID_RIF) + return ERR_PTR(-ERANGE); + + err = mlxsw_sp_vport_rif_sp_op(mlxsw_sp_vport, l3_dev, rif, true); + if (err) + return ERR_PTR(err); + + fid = mlxsw_sp_rif_sp_to_fid(rif); + err = mlxsw_sp_rif_fdb_op(mlxsw_sp, l3_dev->dev_addr, fid, true); + if (err) + goto err_rif_fdb_op; + + f = mlxsw_sp_rfid_alloc(fid, l3_dev); + if (!f) { + err = -ENOMEM; + goto err_rfid_alloc; + } + + r = mlxsw_sp_rif_alloc(rif, l3_dev, f); + if (!r) { + err = -ENOMEM; + goto err_rif_alloc; + } + + f->r = r; + mlxsw_sp->rifs[rif] = r; + + return r; + +err_rif_alloc: + kfree(f); +err_rfid_alloc: + mlxsw_sp_rif_fdb_op(mlxsw_sp, l3_dev->dev_addr, fid, false); +err_rif_fdb_op: + mlxsw_sp_vport_rif_sp_op(mlxsw_sp_vport, l3_dev, rif, false); + return ERR_PTR(err); +} + +static void mlxsw_sp_vport_rif_sp_destroy(struct mlxsw_sp_port *mlxsw_sp_vport, + struct mlxsw_sp_rif *r) +{ + struct mlxsw_sp *mlxsw_sp = mlxsw_sp_vport->mlxsw_sp; + struct net_device *l3_dev = r->dev; + struct mlxsw_sp_fid *f = r->f; + u16 fid = f->fid; + u16 rif = r->rif; + + mlxsw_sp_router_rif_gone_sync(mlxsw_sp, r); + + mlxsw_sp->rifs[rif] = NULL; + f->r = NULL; + + kfree(r); + + kfree(f); + + mlxsw_sp_rif_fdb_op(mlxsw_sp, l3_dev->dev_addr, fid, false); + + mlxsw_sp_vport_rif_sp_op(mlxsw_sp_vport, l3_dev, rif, false); +} + +static int mlxsw_sp_vport_rif_sp_join(struct mlxsw_sp_port *mlxsw_sp_vport, + struct net_device *l3_dev) +{ + struct mlxsw_sp *mlxsw_sp = mlxsw_sp_vport->mlxsw_sp; + struct mlxsw_sp_rif *r; + + r = mlxsw_sp_rif_find_by_dev(mlxsw_sp, l3_dev); + if (!r) { + r = mlxsw_sp_vport_rif_sp_create(mlxsw_sp_vport, l3_dev); + if (IS_ERR(r)) + return PTR_ERR(r); + } + + mlxsw_sp_vport_fid_set(mlxsw_sp_vport, r->f); + r->f->ref_count++; + + netdev_dbg(mlxsw_sp_vport->dev, "Joined FID=%d\n", r->f->fid); + + return 0; +} + +static void mlxsw_sp_vport_rif_sp_leave(struct mlxsw_sp_port *mlxsw_sp_vport) +{ + struct mlxsw_sp_fid *f = mlxsw_sp_vport_fid_get(mlxsw_sp_vport); + + netdev_dbg(mlxsw_sp_vport->dev, "Left FID=%d\n", f->fid); + + mlxsw_sp_vport_fid_set(mlxsw_sp_vport, NULL); + if (--f->ref_count == 0) + mlxsw_sp_vport_rif_sp_destroy(mlxsw_sp_vport, f->r); +} + +static int mlxsw_sp_inetaddr_vport_event(struct net_device *l3_dev, + struct net_device *port_dev, + unsigned long event, u16 vid) +{ + struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(port_dev); + struct mlxsw_sp_port *mlxsw_sp_vport; + + mlxsw_sp_vport = mlxsw_sp_port_vport_find(mlxsw_sp_port, vid); + if (WARN_ON(!mlxsw_sp_vport)) + return -EINVAL; + + switch (event) { + case NETDEV_UP: + return mlxsw_sp_vport_rif_sp_join(mlxsw_sp_vport, l3_dev); + case NETDEV_DOWN: + mlxsw_sp_vport_rif_sp_leave(mlxsw_sp_vport); + break; + } + + return 0; +} + +static int mlxsw_sp_inetaddr_port_event(struct net_device *port_dev, + unsigned long event) +{ + if (netif_is_bridge_port(port_dev) || netif_is_lag_port(port_dev)) + return 0; + + return mlxsw_sp_inetaddr_vport_event(port_dev, port_dev, event, 1); +} + +static int __mlxsw_sp_inetaddr_lag_event(struct net_device *l3_dev, + struct net_device *lag_dev, + unsigned long event, u16 vid) +{ + struct net_device *port_dev; + struct list_head *iter; + int err; + + netdev_for_each_lower_dev(lag_dev, port_dev, iter) { + if (mlxsw_sp_port_dev_check(port_dev)) { + err = mlxsw_sp_inetaddr_vport_event(l3_dev, port_dev, + event, vid); + if (err) + return err; + } + } + + return 0; +} + +static int mlxsw_sp_inetaddr_lag_event(struct net_device *lag_dev, + unsigned long event) +{ + if (netif_is_bridge_port(lag_dev)) + return 0; + + return __mlxsw_sp_inetaddr_lag_event(lag_dev, lag_dev, event, 1); +} + +static struct mlxsw_sp_fid *mlxsw_sp_bridge_fid_get(struct mlxsw_sp *mlxsw_sp, + struct net_device *l3_dev) +{ + u16 fid; + + if (is_vlan_dev(l3_dev)) + fid = vlan_dev_vlan_id(l3_dev); + else if (mlxsw_sp->master_bridge.dev == l3_dev) + fid = 1; + else + return mlxsw_sp_vfid_find(mlxsw_sp, l3_dev); + + return mlxsw_sp_fid_find(mlxsw_sp, fid); +} + +static enum mlxsw_flood_table_type mlxsw_sp_flood_table_type_get(u16 fid) +{ + return mlxsw_sp_fid_is_vfid(fid) ? MLXSW_REG_SFGC_TABLE_TYPE_FID : + MLXSW_REG_SFGC_TABLE_TYPE_FID_OFFEST; +} + +static u16 mlxsw_sp_flood_table_index_get(u16 fid) +{ + return mlxsw_sp_fid_is_vfid(fid) ? mlxsw_sp_fid_to_vfid(fid) : fid; +} + +static int mlxsw_sp_router_port_flood_set(struct mlxsw_sp *mlxsw_sp, u16 fid, + bool set) +{ + enum mlxsw_flood_table_type table_type; + char *sftr_pl; + u16 index; + int err; + + sftr_pl = kmalloc(MLXSW_REG_SFTR_LEN, GFP_KERNEL); + if (!sftr_pl) + return -ENOMEM; + + table_type = mlxsw_sp_flood_table_type_get(fid); + index = mlxsw_sp_flood_table_index_get(fid); + mlxsw_reg_sftr_pack(sftr_pl, MLXSW_SP_FLOOD_TABLE_BC, index, table_type, + 1, MLXSW_PORT_ROUTER_PORT, set); + err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sftr), sftr_pl); + + kfree(sftr_pl); + return err; +} + +static enum mlxsw_reg_ritr_if_type mlxsw_sp_rif_type_get(u16 fid) +{ + if (mlxsw_sp_fid_is_vfid(fid)) + return MLXSW_REG_RITR_FID_IF; + else + return MLXSW_REG_RITR_VLAN_IF; +} + +static int mlxsw_sp_rif_bridge_op(struct mlxsw_sp *mlxsw_sp, + struct net_device *l3_dev, + u16 fid, u16 rif, + bool create) +{ + enum mlxsw_reg_ritr_if_type rif_type; + char ritr_pl[MLXSW_REG_RITR_LEN]; + + rif_type = mlxsw_sp_rif_type_get(fid); + mlxsw_reg_ritr_pack(ritr_pl, create, rif_type, rif, l3_dev->mtu, + l3_dev->dev_addr); + mlxsw_reg_ritr_fid_set(ritr_pl, rif_type, fid); + + return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(ritr), ritr_pl); +} + +static int mlxsw_sp_rif_bridge_create(struct mlxsw_sp *mlxsw_sp, + struct net_device *l3_dev, + struct mlxsw_sp_fid *f) +{ + struct mlxsw_sp_rif *r; + u16 rif; + int err; + + rif = mlxsw_sp_avail_rif_get(mlxsw_sp); + if (rif == MLXSW_SP_INVALID_RIF) + return -ERANGE; + + err = mlxsw_sp_router_port_flood_set(mlxsw_sp, f->fid, true); + if (err) + return err; + + err = mlxsw_sp_rif_bridge_op(mlxsw_sp, l3_dev, f->fid, rif, true); + if (err) + goto err_rif_bridge_op; + + err = mlxsw_sp_rif_fdb_op(mlxsw_sp, l3_dev->dev_addr, f->fid, true); + if (err) + goto err_rif_fdb_op; + + r = mlxsw_sp_rif_alloc(rif, l3_dev, f); + if (!r) { + err = -ENOMEM; + goto err_rif_alloc; + } + + f->r = r; + mlxsw_sp->rifs[rif] = r; + + netdev_dbg(l3_dev, "RIF=%d created\n", rif); + + return 0; + +err_rif_alloc: + mlxsw_sp_rif_fdb_op(mlxsw_sp, l3_dev->dev_addr, f->fid, false); +err_rif_fdb_op: + mlxsw_sp_rif_bridge_op(mlxsw_sp, l3_dev, f->fid, rif, false); +err_rif_bridge_op: + mlxsw_sp_router_port_flood_set(mlxsw_sp, f->fid, false); + return err; +} + +void mlxsw_sp_rif_bridge_destroy(struct mlxsw_sp *mlxsw_sp, + struct mlxsw_sp_rif *r) +{ + struct net_device *l3_dev = r->dev; + struct mlxsw_sp_fid *f = r->f; + u16 rif = r->rif; + + mlxsw_sp_router_rif_gone_sync(mlxsw_sp, r); + + mlxsw_sp->rifs[rif] = NULL; + f->r = NULL; + + kfree(r); + + mlxsw_sp_rif_fdb_op(mlxsw_sp, l3_dev->dev_addr, f->fid, false); + + mlxsw_sp_rif_bridge_op(mlxsw_sp, l3_dev, f->fid, rif, false); + + mlxsw_sp_router_port_flood_set(mlxsw_sp, f->fid, false); + + netdev_dbg(l3_dev, "RIF=%d destroyed\n", rif); +} + +static int mlxsw_sp_inetaddr_bridge_event(struct net_device *l3_dev, + struct net_device *br_dev, + unsigned long event) +{ + struct mlxsw_sp *mlxsw_sp = mlxsw_sp_lower_get(l3_dev); + struct mlxsw_sp_fid *f; + + /* FID can either be an actual FID if the L3 device is the + * VLAN-aware bridge or a VLAN device on top. Otherwise, the + * L3 device is a VLAN-unaware bridge and we get a vFID. + */ + f = mlxsw_sp_bridge_fid_get(mlxsw_sp, l3_dev); + if (WARN_ON(!f)) + return -EINVAL; + + switch (event) { + case NETDEV_UP: + return mlxsw_sp_rif_bridge_create(mlxsw_sp, l3_dev, f); + case NETDEV_DOWN: + mlxsw_sp_rif_bridge_destroy(mlxsw_sp, f->r); + break; + } + + return 0; +} + +static int mlxsw_sp_inetaddr_vlan_event(struct net_device *vlan_dev, + unsigned long event) +{ + struct net_device *real_dev = vlan_dev_real_dev(vlan_dev); + struct mlxsw_sp *mlxsw_sp = mlxsw_sp_lower_get(vlan_dev); + u16 vid = vlan_dev_vlan_id(vlan_dev); + + if (mlxsw_sp_port_dev_check(real_dev)) + return mlxsw_sp_inetaddr_vport_event(vlan_dev, real_dev, event, + vid); + else if (netif_is_lag_master(real_dev)) + return __mlxsw_sp_inetaddr_lag_event(vlan_dev, real_dev, event, + vid); + else if (netif_is_bridge_master(real_dev) && + mlxsw_sp->master_bridge.dev == real_dev) + return mlxsw_sp_inetaddr_bridge_event(vlan_dev, real_dev, + event); + + return 0; +} + +int mlxsw_sp_inetaddr_event(struct notifier_block *unused, + unsigned long event, void *ptr) +{ + struct in_ifaddr *ifa = (struct in_ifaddr *) ptr; + struct net_device *dev = ifa->ifa_dev->dev; + struct mlxsw_sp *mlxsw_sp; + struct mlxsw_sp_rif *r; + int err = 0; + + mlxsw_sp = mlxsw_sp_lower_get(dev); + if (!mlxsw_sp) + goto out; + + r = mlxsw_sp_rif_find_by_dev(mlxsw_sp, dev); + if (!mlxsw_sp_rif_should_config(r, ifa->ifa_dev, event)) + goto out; + + if (mlxsw_sp_port_dev_check(dev)) + err = mlxsw_sp_inetaddr_port_event(dev, event); + else if (netif_is_lag_master(dev)) + err = mlxsw_sp_inetaddr_lag_event(dev, event); + else if (netif_is_bridge_master(dev)) + err = mlxsw_sp_inetaddr_bridge_event(dev, dev, event); + else if (is_vlan_dev(dev)) + err = mlxsw_sp_inetaddr_vlan_event(dev, event); + +out: + return notifier_from_errno(err); +} + +static int mlxsw_sp_rif_edit(struct mlxsw_sp *mlxsw_sp, u16 rif, + const char *mac, int mtu) +{ + char ritr_pl[MLXSW_REG_RITR_LEN]; + int err; + + mlxsw_reg_ritr_rif_pack(ritr_pl, rif); + err = mlxsw_reg_query(mlxsw_sp->core, MLXSW_REG(ritr), ritr_pl); + if (err) + return err; + + mlxsw_reg_ritr_mtu_set(ritr_pl, mtu); + mlxsw_reg_ritr_if_mac_memcpy_to(ritr_pl, mac); + mlxsw_reg_ritr_op_set(ritr_pl, MLXSW_REG_RITR_RIF_CREATE); + return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(ritr), ritr_pl); +} + +int mlxsw_sp_netdevice_router_port_event(struct net_device *dev) +{ + struct mlxsw_sp *mlxsw_sp; + struct mlxsw_sp_rif *r; + int err; + + mlxsw_sp = mlxsw_sp_lower_get(dev); + if (!mlxsw_sp) + return 0; + + r = mlxsw_sp_rif_find_by_dev(mlxsw_sp, dev); + if (!r) + return 0; + + err = mlxsw_sp_rif_fdb_op(mlxsw_sp, r->addr, r->f->fid, false); + if (err) + return err; + + err = mlxsw_sp_rif_edit(mlxsw_sp, r->rif, dev->dev_addr, dev->mtu); + if (err) + goto err_rif_edit; + + err = mlxsw_sp_rif_fdb_op(mlxsw_sp, dev->dev_addr, r->f->fid, true); + if (err) + goto err_rif_fdb_op; + + ether_addr_copy(r->addr, dev->dev_addr); + r->mtu = dev->mtu; + + netdev_dbg(dev, "Updated RIF=%d\n", r->rif); + + return 0; + +err_rif_fdb_op: + mlxsw_sp_rif_edit(mlxsw_sp, r->rif, r->addr, r->mtu); +err_rif_edit: + mlxsw_sp_rif_fdb_op(mlxsw_sp, r->addr, r->f->fid, true); + return err; +} + static void mlxsw_sp_router_fib_dump_flush(struct notifier_block *nb) { struct mlxsw_sp *mlxsw_sp = container_of(nb, struct mlxsw_sp, fib_nb); @@ -2621,6 +3151,48 @@ static void mlxsw_sp_router_fib_dump_flush(struct notifier_block *nb) mlxsw_sp_router_fib_flush(mlxsw_sp); } +static int __mlxsw_sp_router_init(struct mlxsw_sp *mlxsw_sp) +{ + char rgcr_pl[MLXSW_REG_RGCR_LEN]; + u64 max_rifs; + int err; + + if (!MLXSW_CORE_RES_VALID(mlxsw_sp->core, MAX_RIFS)) + return -EIO; + + max_rifs = MLXSW_CORE_RES_GET(mlxsw_sp->core, MAX_RIFS); + mlxsw_sp->rifs = kcalloc(max_rifs, sizeof(struct mlxsw_sp_rif *), + GFP_KERNEL); + if (!mlxsw_sp->rifs) + return -ENOMEM; + + mlxsw_reg_rgcr_pack(rgcr_pl, true); + mlxsw_reg_rgcr_max_router_interfaces_set(rgcr_pl, max_rifs); + err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(rgcr), rgcr_pl); + if (err) + goto err_rgcr_fail; + + return 0; + +err_rgcr_fail: + kfree(mlxsw_sp->rifs); + return err; +} + +static void __mlxsw_sp_router_fini(struct mlxsw_sp *mlxsw_sp) +{ + char rgcr_pl[MLXSW_REG_RGCR_LEN]; + int i; + + mlxsw_reg_rgcr_pack(rgcr_pl, false); + mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(rgcr), rgcr_pl); + + for (i = 0; i < MLXSW_CORE_RES_GET(mlxsw_sp->core, MAX_RIFS); i++) + WARN_ON_ONCE(mlxsw_sp->rifs[i]); + + kfree(mlxsw_sp->rifs); +} + int mlxsw_sp_router_init(struct mlxsw_sp *mlxsw_sp) { int err; |