@@ -57,6 +57,7 @@ struct mlxsw_sp_rif {
unsigned char addr[ETH_ALEN];
int mtu;
u16 rif_index;
+ u8 mac_profile_id;
u16 vr_id;
const struct mlxsw_sp_rif_ops *ops;
struct mlxsw_sp *mlxsw_sp;
@@ -114,6 +115,12 @@ struct mlxsw_sp_rif_ops {
void (*fdb_del)(struct mlxsw_sp_rif *rif, const char *mac);
};
+struct mlxsw_sp_rif_mac_profile {
+ unsigned char mac_prefix[ETH_ALEN];
+ refcount_t ref_count;
+ u8 id;
+};
+
struct mlxsw_sp_router_ops {
int (*init)(struct mlxsw_sp *mlxsw_sp);
int (*ipips_init)(struct mlxsw_sp *mlxsw_sp);
@@ -8306,6 +8313,200 @@ static void mlxsw_sp_rif_subport_put(struct mlxsw_sp_rif *rif)
mlxsw_sp_rif_destroy(rif);
}
+static int mlxsw_sp_rif_mac_profile_index_alloc(struct mlxsw_sp *mlxsw_sp,
+ struct mlxsw_sp_rif_mac_profile *profile,
+ struct netlink_ext_ack *extack)
+{
+ u8 max_rif_mac_profiles = mlxsw_sp->router->max_rif_mac_profile;
+ struct mlxsw_sp_router *router = mlxsw_sp->router;
+ int id;
+
+ id = idr_alloc(&router->rif_mac_profiles_idr, profile, 0,
+ max_rif_mac_profiles, GFP_KERNEL);
+
+ if (id >= 0) {
+ profile->id = id;
+ return 0;
+ }
+
+ if (id == -ENOSPC)
+ NL_SET_ERR_MSG_MOD(extack,
+ "Exceeded number of supported router interface MAC profiles");
+
+ return id;
+}
+
+static struct mlxsw_sp_rif_mac_profile *
+mlxsw_sp_rif_mac_profile_index_free(struct mlxsw_sp *mlxsw_sp, u8 mac_profile)
+{
+ struct mlxsw_sp_rif_mac_profile *profile;
+
+ profile = idr_remove(&mlxsw_sp->router->rif_mac_profiles_idr,
+ mac_profile);
+ WARN_ON(!profile);
+ return profile;
+}
+
+static struct mlxsw_sp_rif_mac_profile *
+mlxsw_sp_rif_mac_profile_alloc(const char *mac)
+{
+ struct mlxsw_sp_rif_mac_profile *profile;
+
+ profile = kzalloc(sizeof(*profile), GFP_KERNEL);
+ if (!profile)
+ return NULL;
+
+ ether_addr_copy(profile->mac_prefix, mac);
+ refcount_set(&profile->ref_count, 1);
+ return profile;
+}
+
+static struct mlxsw_sp_rif_mac_profile *
+mlxsw_sp_rif_mac_profile_find(const struct mlxsw_sp *mlxsw_sp, const char *mac)
+{
+ struct mlxsw_sp_router *router = mlxsw_sp->router;
+ struct mlxsw_sp_rif_mac_profile *profile;
+ int id;
+
+ idr_for_each_entry(&router->rif_mac_profiles_idr, profile, id) {
+ if (!profile)
+ continue;
+
+ if (ether_addr_equal_masked(profile->mac_prefix, mac,
+ mlxsw_sp->mac_mask))
+ return profile;
+ }
+
+ return NULL;
+}
+
+static u64 mlxsw_sp_rif_mac_profiles_occ_get(void *priv)
+{
+ const struct mlxsw_sp *mlxsw_sp = priv;
+
+ return atomic_read(&mlxsw_sp->router->rif_mac_profiles_count);
+}
+
+static struct mlxsw_sp_rif_mac_profile *
+mlxsw_sp_rif_mac_profile_create(struct mlxsw_sp *mlxsw_sp, const char *mac,
+ struct netlink_ext_ack *extack)
+{
+ struct mlxsw_sp_rif_mac_profile *profile;
+ int err;
+
+ profile = mlxsw_sp_rif_mac_profile_alloc(mac);
+ if (!profile)
+ return ERR_PTR(-ENOMEM);
+
+ err = mlxsw_sp_rif_mac_profile_index_alloc(mlxsw_sp, profile, extack);
+ if (err)
+ goto profile_index_alloc_err;
+
+ atomic_inc(&mlxsw_sp->router->rif_mac_profiles_count);
+ return profile;
+
+profile_index_alloc_err:
+ kfree(profile);
+ return ERR_PTR(err);
+}
+
+static void mlxsw_sp_rif_mac_profile_destroy(struct mlxsw_sp *mlxsw_sp,
+ u8 mac_profile)
+{
+ struct mlxsw_sp_rif_mac_profile *profile;
+
+ atomic_dec(&mlxsw_sp->router->rif_mac_profiles_count);
+ profile = mlxsw_sp_rif_mac_profile_index_free(mlxsw_sp, mac_profile);
+ kfree(profile);
+}
+
+static int mlxsw_sp_rif_mac_profile_get(struct mlxsw_sp *mlxsw_sp,
+ const char *mac, u8 *p_mac_profile,
+ struct netlink_ext_ack *extack)
+{
+ struct mlxsw_sp_rif_mac_profile *profile;
+
+ profile = mlxsw_sp_rif_mac_profile_find(mlxsw_sp, mac);
+ if (profile) {
+ refcount_inc(&profile->ref_count);
+ goto out;
+ }
+
+ profile = mlxsw_sp_rif_mac_profile_create(mlxsw_sp, mac, extack);
+ if (IS_ERR(profile))
+ return PTR_ERR(profile);
+
+out:
+ *p_mac_profile = profile->id;
+ return 0;
+}
+
+static void mlxsw_sp_rif_mac_profile_put(struct mlxsw_sp *mlxsw_sp,
+ u8 mac_profile)
+{
+ struct mlxsw_sp_rif_mac_profile *profile;
+
+ profile = idr_find(&mlxsw_sp->router->rif_mac_profiles_idr,
+ mac_profile);
+ if (WARN_ON(!profile))
+ return;
+
+ if (!refcount_dec_and_test(&profile->ref_count))
+ return;
+
+ mlxsw_sp_rif_mac_profile_destroy(mlxsw_sp, mac_profile);
+}
+
+static bool mlxsw_sp_rif_mac_profile_is_shared(const struct mlxsw_sp_rif *rif)
+{
+ struct mlxsw_sp *mlxsw_sp = rif->mlxsw_sp;
+ struct mlxsw_sp_rif_mac_profile *profile;
+
+ profile = idr_find(&mlxsw_sp->router->rif_mac_profiles_idr,
+ rif->mac_profile_id);
+ if (WARN_ON(!profile))
+ return false;
+
+ return refcount_read(&profile->ref_count) > 1;
+}
+
+static int mlxsw_sp_rif_mac_profile_edit(struct mlxsw_sp_rif *rif,
+ const char *new_mac)
+{
+ struct mlxsw_sp *mlxsw_sp = rif->mlxsw_sp;
+ struct mlxsw_sp_rif_mac_profile *profile;
+
+ profile = idr_find(&mlxsw_sp->router->rif_mac_profiles_idr,
+ rif->mac_profile_id);
+ if (WARN_ON(!profile))
+ return -EINVAL;
+
+ ether_addr_copy(profile->mac_prefix, new_mac);
+ return 0;
+}
+
+static int
+mlxsw_sp_rif_mac_profile_replace(struct mlxsw_sp *mlxsw_sp,
+ struct mlxsw_sp_rif *rif,
+ const char *new_mac,
+ struct netlink_ext_ack *extack)
+{
+ u8 mac_profile;
+ int err;
+
+ if (!mlxsw_sp_rif_mac_profile_is_shared(rif))
+ return mlxsw_sp_rif_mac_profile_edit(rif, new_mac);
+
+ err = mlxsw_sp_rif_mac_profile_get(mlxsw_sp, new_mac,
+ &mac_profile, extack);
+ if (err)
+ return err;
+
+ mlxsw_sp_rif_mac_profile_put(mlxsw_sp, rif->mac_profile_id);
+ rif->mac_profile_id = mac_profile;
+ return 0;
+}
+
static int
__mlxsw_sp_port_vlan_router_join(struct mlxsw_sp_port_vlan *mlxsw_sp_port_vlan,
struct net_device *l3_dev,
@@ -8654,36 +8855,6 @@ static int mlxsw_sp_inetaddr_macvlan_event(struct mlxsw_sp *mlxsw_sp,
return 0;
}
-static int mlxsw_sp_router_port_check_rif_addr(struct mlxsw_sp *mlxsw_sp,
- struct net_device *dev,
- const unsigned char *dev_addr,
- struct netlink_ext_ack *extack)
-{
- struct mlxsw_sp_rif *rif;
- int i;
-
- /* A RIF is not created for macvlan netdevs. Their MAC is used to
- * populate the FDB
- */
- if (netif_is_macvlan(dev) || netif_is_l3_master(dev))
- return 0;
-
- for (i = 0; i < MLXSW_CORE_RES_GET(mlxsw_sp->core, MAX_RIFS); i++) {
- rif = mlxsw_sp->router->rifs[i];
- if (rif && rif->ops &&
- rif->ops->type == MLXSW_SP_RIF_TYPE_IPIP_LB)
- continue;
- if (rif && rif->dev && rif->dev != dev &&
- !ether_addr_equal_masked(rif->dev->dev_addr, dev_addr,
- mlxsw_sp->mac_mask)) {
- NL_SET_ERR_MSG_MOD(extack, "All router interface MAC addresses must have the same prefix");
- return -EINVAL;
- }
- }
-
- return 0;
-}
-
static int __mlxsw_sp_inetaddr_event(struct mlxsw_sp *mlxsw_sp,
struct net_device *dev,
unsigned long event,
@@ -8749,11 +8920,6 @@ int mlxsw_sp_inetaddr_valid_event(struct notifier_block *unused,
if (!mlxsw_sp_rif_should_config(rif, dev, event))
goto out;
- err = mlxsw_sp_router_port_check_rif_addr(mlxsw_sp, dev, dev->dev_addr,
- ivi->extack);
- if (err)
- goto out;
-
err = __mlxsw_sp_inetaddr_event(mlxsw_sp, dev, event, ivi->extack);
out:
mutex_unlock(&mlxsw_sp->router->lock);
@@ -8837,11 +9003,6 @@ int mlxsw_sp_inet6addr_valid_event(struct notifier_block *unused,
if (!mlxsw_sp_rif_should_config(rif, dev, event))
goto out;
- err = mlxsw_sp_router_port_check_rif_addr(mlxsw_sp, dev, dev->dev_addr,
- i6vi->extack);
- if (err)
- goto out;
-
err = __mlxsw_sp_inetaddr_event(mlxsw_sp, dev, event, i6vi->extack);
out:
mutex_unlock(&mlxsw_sp->router->lock);
@@ -8849,7 +9010,7 @@ int mlxsw_sp_inet6addr_valid_event(struct notifier_block *unused,
}
static int mlxsw_sp_rif_edit(struct mlxsw_sp *mlxsw_sp, u16 rif_index,
- const char *mac, int mtu)
+ const char *mac, int mtu, u8 mac_profile)
{
char ritr_pl[MLXSW_REG_RITR_LEN];
int err;
@@ -8861,6 +9022,7 @@ static int mlxsw_sp_rif_edit(struct mlxsw_sp *mlxsw_sp, u16 rif_index,
mlxsw_reg_ritr_mtu_set(ritr_pl, mtu);
mlxsw_reg_ritr_if_mac_memcpy_to(ritr_pl, mac);
+ mlxsw_reg_ritr_if_mac_profile_id_set(ritr_pl, mac_profile);
mlxsw_reg_ritr_op_set(ritr_pl, MLXSW_REG_RITR_RIF_CREATE);
return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(ritr), ritr_pl);
}
@@ -8871,6 +9033,7 @@ mlxsw_sp_router_port_change_event(struct mlxsw_sp *mlxsw_sp,
struct netlink_ext_ack *extack)
{
struct net_device *dev = rif->dev;
+ u8 old_mac_profile;
u16 fid_index;
int err;
@@ -8880,8 +9043,14 @@ mlxsw_sp_router_port_change_event(struct mlxsw_sp *mlxsw_sp,
if (err)
return err;
+ old_mac_profile = rif->mac_profile_id;
+ err = mlxsw_sp_rif_mac_profile_replace(mlxsw_sp, rif, dev->dev_addr,
+ extack);
+ if (err)
+ goto err_rif_mac_profile_replace;
+
err = mlxsw_sp_rif_edit(mlxsw_sp, rif->rif_index, dev->dev_addr,
- dev->mtu);
+ dev->mtu, rif->mac_profile_id);
if (err)
goto err_rif_edit;
@@ -8911,8 +9080,11 @@ mlxsw_sp_router_port_change_event(struct mlxsw_sp *mlxsw_sp,
return 0;
err_rif_fdb_op:
- mlxsw_sp_rif_edit(mlxsw_sp, rif->rif_index, rif->addr, rif->mtu);
+ mlxsw_sp_rif_edit(mlxsw_sp, rif->rif_index, rif->addr, rif->mtu,
+ old_mac_profile);
err_rif_edit:
+ mlxsw_sp_rif_mac_profile_replace(mlxsw_sp, rif, rif->addr, extack);
+err_rif_mac_profile_replace:
mlxsw_sp_rif_fdb_op(mlxsw_sp, rif->addr, fid_index, true);
return err;
}
@@ -8920,11 +9092,28 @@ mlxsw_sp_router_port_change_event(struct mlxsw_sp *mlxsw_sp,
static int mlxsw_sp_router_port_pre_changeaddr_event(struct mlxsw_sp_rif *rif,
struct netdev_notifier_pre_changeaddr_info *info)
{
+ struct mlxsw_sp *mlxsw_sp = rif->mlxsw_sp;
+ struct mlxsw_sp_rif_mac_profile *profile;
struct netlink_ext_ack *extack;
+ u8 max_rif_mac_profiles;
+ u64 occ;
extack = netdev_notifier_info_to_extack(&info->info);
- return mlxsw_sp_router_port_check_rif_addr(rif->mlxsw_sp, rif->dev,
- info->dev_addr, extack);
+
+ profile = mlxsw_sp_rif_mac_profile_find(mlxsw_sp, info->dev_addr);
+ if (profile)
+ return 0;
+
+ max_rif_mac_profiles = mlxsw_sp->router->max_rif_mac_profile;
+ occ = mlxsw_sp_rif_mac_profiles_occ_get(mlxsw_sp);
+ if (occ < max_rif_mac_profiles)
+ return 0;
+
+ if (!mlxsw_sp_rif_mac_profile_is_shared(rif))
+ return 0;
+
+ NL_SET_ERR_MSG_MOD(extack, "Exceeded number of supported router interface MAC profiles");
+ return -ENOBUFS;
}
int mlxsw_sp_netdevice_router_port_event(struct net_device *dev,
@@ -9070,6 +9259,7 @@ static int mlxsw_sp_rif_subport_op(struct mlxsw_sp_rif *rif, bool enable)
mlxsw_reg_ritr_pack(ritr_pl, enable, MLXSW_REG_RITR_SP_IF,
rif->rif_index, rif->vr_id, rif->dev->mtu);
mlxsw_reg_ritr_mac_pack(ritr_pl, rif->dev->dev_addr);
+ mlxsw_reg_ritr_if_mac_profile_id_set(ritr_pl, rif->mac_profile_id);
mlxsw_reg_ritr_sp_if_pack(ritr_pl, rif_subport->lag,
rif_subport->lag ? rif_subport->lag_id :
rif_subport->system_port,
@@ -9081,11 +9271,18 @@ static int mlxsw_sp_rif_subport_op(struct mlxsw_sp_rif *rif, bool enable)
static int mlxsw_sp_rif_subport_configure(struct mlxsw_sp_rif *rif,
struct netlink_ext_ack *extack)
{
+ u8 mac_profile;
int err;
- err = mlxsw_sp_rif_subport_op(rif, true);
+ err = mlxsw_sp_rif_mac_profile_get(rif->mlxsw_sp, rif->addr,
+ &mac_profile, extack);
if (err)
return err;
+ rif->mac_profile_id = mac_profile;
+
+ err = mlxsw_sp_rif_subport_op(rif, true);
+ if (err)
+ goto err_rif_subport_op;
err = mlxsw_sp_rif_fdb_op(rif->mlxsw_sp, rif->dev->dev_addr,
mlxsw_sp_fid_index(rif->fid), true);
@@ -9097,6 +9294,8 @@ static int mlxsw_sp_rif_subport_configure(struct mlxsw_sp_rif *rif,
err_rif_fdb_op:
mlxsw_sp_rif_subport_op(rif, false);
+err_rif_subport_op:
+ mlxsw_sp_rif_mac_profile_put(rif->mlxsw_sp, mac_profile);
return err;
}
@@ -9109,6 +9308,7 @@ static void mlxsw_sp_rif_subport_deconfigure(struct mlxsw_sp_rif *rif)
mlxsw_sp_fid_index(fid), false);
mlxsw_sp_rif_macvlan_flush(rif);
mlxsw_sp_rif_subport_op(rif, false);
+ mlxsw_sp_rif_mac_profile_put(rif->mlxsw_sp, rif->mac_profile_id);
}
static struct mlxsw_sp_fid *
@@ -9137,6 +9337,7 @@ static int mlxsw_sp_rif_vlan_fid_op(struct mlxsw_sp_rif *rif,
mlxsw_reg_ritr_pack(ritr_pl, enable, type, rif->rif_index, rif->vr_id,
rif->dev->mtu);
mlxsw_reg_ritr_mac_pack(ritr_pl, rif->dev->dev_addr);
+ mlxsw_reg_ritr_if_mac_profile_id_set(ritr_pl, rif->mac_profile_id);
mlxsw_reg_ritr_fid_set(ritr_pl, type, vid_fid);
return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(ritr), ritr_pl);
@@ -9152,12 +9353,19 @@ static int mlxsw_sp_rif_fid_configure(struct mlxsw_sp_rif *rif,
{
struct mlxsw_sp *mlxsw_sp = rif->mlxsw_sp;
u16 fid_index = mlxsw_sp_fid_index(rif->fid);
+ u8 mac_profile;
int err;
+ err = mlxsw_sp_rif_mac_profile_get(mlxsw_sp, rif->addr,
+ &mac_profile, extack);
+ if (err)
+ return err;
+ rif->mac_profile_id = mac_profile;
+
err = mlxsw_sp_rif_vlan_fid_op(rif, MLXSW_REG_RITR_FID_IF, fid_index,
true);
if (err)
- return err;
+ goto err_rif_vlan_fid_op;
err = mlxsw_sp_fid_flood_set(rif->fid, MLXSW_SP_FLOOD_TYPE_MC,
mlxsw_sp_router_port(mlxsw_sp), true);
@@ -9185,6 +9393,8 @@ static int mlxsw_sp_rif_fid_configure(struct mlxsw_sp_rif *rif,
mlxsw_sp_router_port(mlxsw_sp), false);
err_fid_mc_flood_set:
mlxsw_sp_rif_vlan_fid_op(rif, MLXSW_REG_RITR_FID_IF, fid_index, false);
+err_rif_vlan_fid_op:
+ mlxsw_sp_rif_mac_profile_put(mlxsw_sp, mac_profile);
return err;
}
@@ -9203,6 +9413,7 @@ static void mlxsw_sp_rif_fid_deconfigure(struct mlxsw_sp_rif *rif)
mlxsw_sp_fid_flood_set(rif->fid, MLXSW_SP_FLOOD_TYPE_MC,
mlxsw_sp_router_port(mlxsw_sp), false);
mlxsw_sp_rif_vlan_fid_op(rif, MLXSW_REG_RITR_FID_IF, fid_index, false);
+ mlxsw_sp_rif_mac_profile_put(rif->mlxsw_sp, rif->mac_profile_id);
}
static struct mlxsw_sp_fid *
@@ -9551,6 +9762,12 @@ static const struct mlxsw_sp_rif_ops *mlxsw_sp2_rif_ops_arr[] = {
static int mlxsw_sp_rifs_init(struct mlxsw_sp *mlxsw_sp)
{
u64 max_rifs = MLXSW_CORE_RES_GET(mlxsw_sp->core, MAX_RIFS);
+ struct mlxsw_core *core = mlxsw_sp->core;
+
+ if (!MLXSW_CORE_RES_VALID(core, MAX_RIF_MAC_PROFILES))
+ return -EIO;
+ mlxsw_sp->router->max_rif_mac_profile =
+ MLXSW_CORE_RES_GET(core, MAX_RIF_MAC_PROFILES);
mlxsw_sp->router->rifs = kcalloc(max_rifs,
sizeof(struct mlxsw_sp_rif *),
@@ -9558,6 +9775,9 @@ static int mlxsw_sp_rifs_init(struct mlxsw_sp *mlxsw_sp)
if (!mlxsw_sp->router->rifs)
return -ENOMEM;
+ idr_init(&mlxsw_sp->router->rif_mac_profiles_idr);
+ atomic_set(&mlxsw_sp->router->rif_mac_profiles_count, 0);
+
return 0;
}
@@ -9568,6 +9788,8 @@ static void mlxsw_sp_rifs_fini(struct mlxsw_sp *mlxsw_sp)
for (i = 0; i < MLXSW_CORE_RES_GET(mlxsw_sp->core, MAX_RIFS); i++)
WARN_ON_ONCE(mlxsw_sp->router->rifs[i]);
+ WARN_ON(!idr_is_empty(&mlxsw_sp->router->rif_mac_profiles_idr));
+ idr_destroy(&mlxsw_sp->router->rif_mac_profiles_idr);
kfree(mlxsw_sp->router->rifs);
}
@@ -39,6 +39,9 @@ mlxsw_sp_fib_entry_op_ctx_clear(struct mlxsw_sp_fib_entry_op_ctx *op_ctx)
struct mlxsw_sp_router {
struct mlxsw_sp *mlxsw_sp;
struct mlxsw_sp_rif **rifs;
+ struct idr rif_mac_profiles_idr;
+ atomic_t rif_mac_profiles_count;
+ u8 max_rif_mac_profile;
struct mlxsw_sp_vr *vrs;
struct rhashtable neigh_ht;
struct rhashtable nexthop_group_ht;