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Diffstat (limited to 'net')
-rw-r--r--net/bridge/br_mdb.c17
-rw-r--r--net/bridge/br_multicast.c179
-rw-r--r--net/bridge/br_netlink.c19
-rw-r--r--net/bridge/br_netlink_tunnel.c3
-rw-r--r--net/bridge/br_private.h12
-rw-r--r--net/bridge/br_vlan.c11
-rw-r--r--net/bridge/br_vlan_options.c27
-rw-r--r--net/core/net-traces.c1
-rw-r--r--net/core/rtnetlink.c2
9 files changed, 246 insertions, 25 deletions
diff --git a/net/bridge/br_mdb.c b/net/bridge/br_mdb.c
index 00e5743647b0..9f22ebfdc518 100644
--- a/net/bridge/br_mdb.c
+++ b/net/bridge/br_mdb.c
@@ -849,11 +849,10 @@ static int br_mdb_add_group_sg(const struct br_mdb_config *cfg,
}
p = br_multicast_new_port_group(cfg->p, &cfg->group, *pp, flags, NULL,
- MCAST_INCLUDE, cfg->rt_protocol);
- if (unlikely(!p)) {
- NL_SET_ERR_MSG_MOD(extack, "Couldn't allocate new (S, G) port group");
+ MCAST_INCLUDE, cfg->rt_protocol, extack);
+ if (unlikely(!p))
return -ENOMEM;
- }
+
rcu_assign_pointer(*pp, p);
if (!(flags & MDB_PG_FLAGS_PERMANENT) && !cfg->src_entry)
mod_timer(&p->timer,
@@ -1075,11 +1074,10 @@ static int br_mdb_add_group_star_g(const struct br_mdb_config *cfg,
}
p = br_multicast_new_port_group(cfg->p, &cfg->group, *pp, flags, NULL,
- cfg->filter_mode, cfg->rt_protocol);
- if (unlikely(!p)) {
- NL_SET_ERR_MSG_MOD(extack, "Couldn't allocate new (*, G) port group");
+ cfg->filter_mode, cfg->rt_protocol,
+ extack);
+ if (unlikely(!p))
return -ENOMEM;
- }
err = br_mdb_add_group_srcs(cfg, p, brmctx, extack);
if (err)
@@ -1101,8 +1099,7 @@ static int br_mdb_add_group_star_g(const struct br_mdb_config *cfg,
return 0;
err_del_port_group:
- hlist_del_init(&p->mglist);
- kfree(p);
+ br_multicast_del_port_group(p);
return err;
}
diff --git a/net/bridge/br_multicast.c b/net/bridge/br_multicast.c
index dea1ee1bd095..96d1fc78dd39 100644
--- a/net/bridge/br_multicast.c
+++ b/net/bridge/br_multicast.c
@@ -31,6 +31,7 @@
#include <net/ip6_checksum.h>
#include <net/addrconf.h>
#endif
+#include <trace/events/bridge.h>
#include "br_private.h"
#include "br_private_mcast_eht.h"
@@ -234,6 +235,29 @@ out:
return pmctx;
}
+static struct net_bridge_mcast_port *
+br_multicast_port_vid_to_port_ctx(struct net_bridge_port *port, u16 vid)
+{
+ struct net_bridge_mcast_port *pmctx = NULL;
+ struct net_bridge_vlan *vlan;
+
+ lockdep_assert_held_once(&port->br->multicast_lock);
+
+ if (!br_opt_get(port->br, BROPT_MCAST_VLAN_SNOOPING_ENABLED))
+ return NULL;
+
+ /* Take RCU to access the vlan. */
+ rcu_read_lock();
+
+ vlan = br_vlan_find(nbp_vlan_group_rcu(port), vid);
+ if (vlan && !br_multicast_port_ctx_vlan_disabled(&vlan->port_mcast_ctx))
+ pmctx = &vlan->port_mcast_ctx;
+
+ rcu_read_unlock();
+
+ return pmctx;
+}
+
/* when snooping we need to check if the contexts should be used
* in the following order:
* - if pmctx is non-NULL (port), check if it should be used
@@ -668,6 +692,101 @@ void br_multicast_del_group_src(struct net_bridge_group_src *src,
__br_multicast_del_group_src(src);
}
+static int
+br_multicast_port_ngroups_inc_one(struct net_bridge_mcast_port *pmctx,
+ struct netlink_ext_ack *extack,
+ const char *what)
+{
+ u32 max = READ_ONCE(pmctx->mdb_max_entries);
+ u32 n = READ_ONCE(pmctx->mdb_n_entries);
+
+ if (max && n >= max) {
+ NL_SET_ERR_MSG_FMT_MOD(extack, "%s is already in %u groups, and mcast_max_groups=%u",
+ what, n, max);
+ return -E2BIG;
+ }
+
+ WRITE_ONCE(pmctx->mdb_n_entries, n + 1);
+ return 0;
+}
+
+static void br_multicast_port_ngroups_dec_one(struct net_bridge_mcast_port *pmctx)
+{
+ u32 n = READ_ONCE(pmctx->mdb_n_entries);
+
+ WARN_ON_ONCE(n == 0);
+ WRITE_ONCE(pmctx->mdb_n_entries, n - 1);
+}
+
+static int br_multicast_port_ngroups_inc(struct net_bridge_port *port,
+ const struct br_ip *group,
+ struct netlink_ext_ack *extack)
+{
+ struct net_bridge_mcast_port *pmctx;
+ int err;
+
+ lockdep_assert_held_once(&port->br->multicast_lock);
+
+ /* Always count on the port context. */
+ err = br_multicast_port_ngroups_inc_one(&port->multicast_ctx, extack,
+ "Port");
+ if (err) {
+ trace_br_mdb_full(port->dev, group);
+ return err;
+ }
+
+ /* Only count on the VLAN context if VID is given, and if snooping on
+ * that VLAN is enabled.
+ */
+ if (!group->vid)
+ return 0;
+
+ pmctx = br_multicast_port_vid_to_port_ctx(port, group->vid);
+ if (!pmctx)
+ return 0;
+
+ err = br_multicast_port_ngroups_inc_one(pmctx, extack, "Port-VLAN");
+ if (err) {
+ trace_br_mdb_full(port->dev, group);
+ goto dec_one_out;
+ }
+
+ return 0;
+
+dec_one_out:
+ br_multicast_port_ngroups_dec_one(&port->multicast_ctx);
+ return err;
+}
+
+static void br_multicast_port_ngroups_dec(struct net_bridge_port *port, u16 vid)
+{
+ struct net_bridge_mcast_port *pmctx;
+
+ lockdep_assert_held_once(&port->br->multicast_lock);
+
+ if (vid) {
+ pmctx = br_multicast_port_vid_to_port_ctx(port, vid);
+ if (pmctx)
+ br_multicast_port_ngroups_dec_one(pmctx);
+ }
+ br_multicast_port_ngroups_dec_one(&port->multicast_ctx);
+}
+
+u32 br_multicast_ngroups_get(const struct net_bridge_mcast_port *pmctx)
+{
+ return READ_ONCE(pmctx->mdb_n_entries);
+}
+
+void br_multicast_ngroups_set_max(struct net_bridge_mcast_port *pmctx, u32 max)
+{
+ WRITE_ONCE(pmctx->mdb_max_entries, max);
+}
+
+u32 br_multicast_ngroups_get_max(const struct net_bridge_mcast_port *pmctx)
+{
+ return READ_ONCE(pmctx->mdb_max_entries);
+}
+
static void br_multicast_destroy_port_group(struct net_bridge_mcast_gc *gc)
{
struct net_bridge_port_group *pg;
@@ -702,6 +821,7 @@ void br_multicast_del_pg(struct net_bridge_mdb_entry *mp,
} else {
br_multicast_star_g_handle_mode(pg, MCAST_INCLUDE);
}
+ br_multicast_port_ngroups_dec(pg->key.port, pg->key.addr.vid);
hlist_add_head(&pg->mcast_gc.gc_node, &br->mcast_gc_list);
queue_work(system_long_wq, &br->mcast_gc_work);
@@ -1165,6 +1285,7 @@ struct net_bridge_mdb_entry *br_multicast_new_group(struct net_bridge *br,
return mp;
if (atomic_read(&br->mdb_hash_tbl.nelems) >= br->hash_max) {
+ trace_br_mdb_full(br->dev, group);
br_mc_disabled_update(br->dev, false, NULL);
br_opt_toggle(br, BROPT_MULTICAST_ENABLED, false);
return ERR_PTR(-E2BIG);
@@ -1284,14 +1405,22 @@ struct net_bridge_port_group *br_multicast_new_port_group(
unsigned char flags,
const unsigned char *src,
u8 filter_mode,
- u8 rt_protocol)
+ u8 rt_protocol,
+ struct netlink_ext_ack *extack)
{
struct net_bridge_port_group *p;
+ int err;
- p = kzalloc(sizeof(*p), GFP_ATOMIC);
- if (unlikely(!p))
+ err = br_multicast_port_ngroups_inc(port, group, extack);
+ if (err)
return NULL;
+ p = kzalloc(sizeof(*p), GFP_ATOMIC);
+ if (unlikely(!p)) {
+ NL_SET_ERR_MSG_MOD(extack, "Couldn't allocate new port group");
+ goto dec_out;
+ }
+
p->key.addr = *group;
p->key.port = port;
p->flags = flags;
@@ -1305,8 +1434,8 @@ struct net_bridge_port_group *br_multicast_new_port_group(
if (!br_multicast_is_star_g(group) &&
rhashtable_lookup_insert_fast(&port->br->sg_port_tbl, &p->rhnode,
br_sg_port_rht_params)) {
- kfree(p);
- return NULL;
+ NL_SET_ERR_MSG_MOD(extack, "Couldn't insert new port group");
+ goto free_out;
}
rcu_assign_pointer(p->next, next);
@@ -1320,6 +1449,25 @@ struct net_bridge_port_group *br_multicast_new_port_group(
eth_broadcast_addr(p->eth_addr);
return p;
+
+free_out:
+ kfree(p);
+dec_out:
+ br_multicast_port_ngroups_dec(port, group->vid);
+ return NULL;
+}
+
+void br_multicast_del_port_group(struct net_bridge_port_group *p)
+{
+ struct net_bridge_port *port = p->key.port;
+ __u16 vid = p->key.addr.vid;
+
+ hlist_del_init(&p->mglist);
+ if (!br_multicast_is_star_g(&p->key.addr))
+ rhashtable_remove_fast(&port->br->sg_port_tbl, &p->rhnode,
+ br_sg_port_rht_params);
+ kfree(p);
+ br_multicast_port_ngroups_dec(port, vid);
}
void br_multicast_host_join(const struct net_bridge_mcast *brmctx,
@@ -1387,7 +1535,7 @@ __br_multicast_add_group(struct net_bridge_mcast *brmctx,
}
p = br_multicast_new_port_group(pmctx->port, group, *pp, 0, src,
- filter_mode, RTPROT_KERNEL);
+ filter_mode, RTPROT_KERNEL, NULL);
if (unlikely(!p)) {
p = ERR_PTR(-ENOMEM);
goto out;
@@ -1933,6 +2081,25 @@ static void __br_multicast_enable_port_ctx(struct net_bridge_mcast_port *pmctx)
br_ip4_multicast_add_router(brmctx, pmctx);
br_ip6_multicast_add_router(brmctx, pmctx);
}
+
+ if (br_multicast_port_ctx_is_vlan(pmctx)) {
+ struct net_bridge_port_group *pg;
+ u32 n = 0;
+
+ /* The mcast_n_groups counter might be wrong. First,
+ * BR_VLFLAG_MCAST_ENABLED is toggled before temporary entries
+ * are flushed, thus mcast_n_groups after the toggle does not
+ * reflect the true values. And second, permanent entries added
+ * while BR_VLFLAG_MCAST_ENABLED was disabled, are not reflected
+ * either. Thus we have to refresh the counter.
+ */
+
+ hlist_for_each_entry(pg, &pmctx->port->mglist, mglist) {
+ if (pg->key.addr.vid == pmctx->vlan->vid)
+ n++;
+ }
+ WRITE_ONCE(pmctx->mdb_n_entries, n);
+ }
}
void br_multicast_enable_port(struct net_bridge_port *port)
diff --git a/net/bridge/br_netlink.c b/net/bridge/br_netlink.c
index 4316cc82ae17..9173e52b89e2 100644
--- a/net/bridge/br_netlink.c
+++ b/net/bridge/br_netlink.c
@@ -202,6 +202,8 @@ static inline size_t br_port_info_size(void)
+ nla_total_size_64bit(sizeof(u64)) /* IFLA_BRPORT_HOLD_TIMER */
#ifdef CONFIG_BRIDGE_IGMP_SNOOPING
+ nla_total_size(sizeof(u8)) /* IFLA_BRPORT_MULTICAST_ROUTER */
+ + nla_total_size(sizeof(u32)) /* IFLA_BRPORT_MCAST_N_GROUPS */
+ + nla_total_size(sizeof(u32)) /* IFLA_BRPORT_MCAST_MAX_GROUPS */
#endif
+ nla_total_size(sizeof(u16)) /* IFLA_BRPORT_GROUP_FWD_MASK */
+ nla_total_size(sizeof(u8)) /* IFLA_BRPORT_MRP_RING_OPEN */
@@ -298,7 +300,11 @@ static int br_port_fill_attrs(struct sk_buff *skb,
nla_put_u32(skb, IFLA_BRPORT_MCAST_EHT_HOSTS_LIMIT,
p->multicast_eht_hosts_limit) ||
nla_put_u32(skb, IFLA_BRPORT_MCAST_EHT_HOSTS_CNT,
- p->multicast_eht_hosts_cnt))
+ p->multicast_eht_hosts_cnt) ||
+ nla_put_u32(skb, IFLA_BRPORT_MCAST_N_GROUPS,
+ br_multicast_ngroups_get(&p->multicast_ctx)) ||
+ nla_put_u32(skb, IFLA_BRPORT_MCAST_MAX_GROUPS,
+ br_multicast_ngroups_get_max(&p->multicast_ctx)))
return -EMSGSIZE;
#endif
@@ -858,6 +864,8 @@ static int br_afspec(struct net_bridge *br,
}
static const struct nla_policy br_port_policy[IFLA_BRPORT_MAX + 1] = {
+ [IFLA_BRPORT_UNSPEC] = { .strict_start_type =
+ IFLA_BRPORT_MCAST_EHT_HOSTS_LIMIT + 1 },
[IFLA_BRPORT_STATE] = { .type = NLA_U8 },
[IFLA_BRPORT_COST] = { .type = NLA_U32 },
[IFLA_BRPORT_PRIORITY] = { .type = NLA_U16 },
@@ -881,6 +889,8 @@ static const struct nla_policy br_port_policy[IFLA_BRPORT_MAX + 1] = {
[IFLA_BRPORT_MAB] = { .type = NLA_U8 },
[IFLA_BRPORT_BACKUP_PORT] = { .type = NLA_U32 },
[IFLA_BRPORT_MCAST_EHT_HOSTS_LIMIT] = { .type = NLA_U32 },
+ [IFLA_BRPORT_MCAST_N_GROUPS] = { .type = NLA_REJECT },
+ [IFLA_BRPORT_MCAST_MAX_GROUPS] = { .type = NLA_U32 },
};
/* Change the state of the port and notify spanning tree */
@@ -1015,6 +1025,13 @@ static int br_setport(struct net_bridge_port *p, struct nlattr *tb[],
if (err)
return err;
}
+
+ if (tb[IFLA_BRPORT_MCAST_MAX_GROUPS]) {
+ u32 max_groups;
+
+ max_groups = nla_get_u32(tb[IFLA_BRPORT_MCAST_MAX_GROUPS]);
+ br_multicast_ngroups_set_max(&p->multicast_ctx, max_groups);
+ }
#endif
if (tb[IFLA_BRPORT_GROUP_FWD_MASK]) {
diff --git a/net/bridge/br_netlink_tunnel.c b/net/bridge/br_netlink_tunnel.c
index 8914290c75d4..17abf092f7ca 100644
--- a/net/bridge/br_netlink_tunnel.c
+++ b/net/bridge/br_netlink_tunnel.c
@@ -188,6 +188,9 @@ initvars:
}
static const struct nla_policy vlan_tunnel_policy[IFLA_BRIDGE_VLAN_TUNNEL_MAX + 1] = {
+ [IFLA_BRIDGE_VLAN_TUNNEL_UNSPEC] = {
+ .strict_start_type = IFLA_BRIDGE_VLAN_TUNNEL_FLAGS + 1
+ },
[IFLA_BRIDGE_VLAN_TUNNEL_ID] = { .type = NLA_U32 },
[IFLA_BRIDGE_VLAN_TUNNEL_VID] = { .type = NLA_U16 },
[IFLA_BRIDGE_VLAN_TUNNEL_FLAGS] = { .type = NLA_U16 },
diff --git a/net/bridge/br_private.h b/net/bridge/br_private.h
index 15ef7fd508ee..cef5f6ea850c 100644
--- a/net/bridge/br_private.h
+++ b/net/bridge/br_private.h
@@ -126,6 +126,8 @@ struct net_bridge_mcast_port {
struct hlist_node ip6_rlist;
#endif /* IS_ENABLED(CONFIG_IPV6) */
unsigned char multicast_router;
+ u32 mdb_n_entries;
+ u32 mdb_max_entries;
#endif /* CONFIG_BRIDGE_IGMP_SNOOPING */
};
@@ -956,7 +958,9 @@ br_multicast_new_port_group(struct net_bridge_port *port,
const struct br_ip *group,
struct net_bridge_port_group __rcu *next,
unsigned char flags, const unsigned char *src,
- u8 filter_mode, u8 rt_protocol);
+ u8 filter_mode, u8 rt_protocol,
+ struct netlink_ext_ack *extack);
+void br_multicast_del_port_group(struct net_bridge_port_group *p);
int br_mdb_hash_init(struct net_bridge *br);
void br_mdb_hash_fini(struct net_bridge *br);
void br_mdb_notify(struct net_device *dev, struct net_bridge_mdb_entry *mp,
@@ -974,6 +978,9 @@ void br_multicast_uninit_stats(struct net_bridge *br);
void br_multicast_get_stats(const struct net_bridge *br,
const struct net_bridge_port *p,
struct br_mcast_stats *dest);
+u32 br_multicast_ngroups_get(const struct net_bridge_mcast_port *pmctx);
+void br_multicast_ngroups_set_max(struct net_bridge_mcast_port *pmctx, u32 max);
+u32 br_multicast_ngroups_get_max(const struct net_bridge_mcast_port *pmctx);
void br_mdb_init(void);
void br_mdb_uninit(void);
void br_multicast_host_join(const struct net_bridge_mcast *brmctx,
@@ -1757,7 +1764,8 @@ static inline u16 br_vlan_flags(const struct net_bridge_vlan *v, u16 pvid)
#ifdef CONFIG_BRIDGE_VLAN_FILTERING
bool br_vlan_opts_eq_range(const struct net_bridge_vlan *v_curr,
const struct net_bridge_vlan *range_end);
-bool br_vlan_opts_fill(struct sk_buff *skb, const struct net_bridge_vlan *v);
+bool br_vlan_opts_fill(struct sk_buff *skb, const struct net_bridge_vlan *v,
+ const struct net_bridge_port *p);
size_t br_vlan_opts_nl_size(void);
int br_vlan_process_options(const struct net_bridge *br,
const struct net_bridge_port *p,
diff --git a/net/bridge/br_vlan.c b/net/bridge/br_vlan.c
index bc75fa1e4666..8a3dbc09ba38 100644
--- a/net/bridge/br_vlan.c
+++ b/net/bridge/br_vlan.c
@@ -1816,6 +1816,7 @@ out_err:
/* v_opts is used to dump the options which must be equal in the whole range */
static bool br_vlan_fill_vids(struct sk_buff *skb, u16 vid, u16 vid_range,
const struct net_bridge_vlan *v_opts,
+ const struct net_bridge_port *p,
u16 flags,
bool dump_stats)
{
@@ -1842,7 +1843,7 @@ static bool br_vlan_fill_vids(struct sk_buff *skb, u16 vid, u16 vid_range,
goto out_err;
if (v_opts) {
- if (!br_vlan_opts_fill(skb, v_opts))
+ if (!br_vlan_opts_fill(skb, v_opts, p))
goto out_err;
if (dump_stats && !br_vlan_stats_fill(skb, v_opts))
@@ -1925,7 +1926,7 @@ void br_vlan_notify(const struct net_bridge *br,
goto out_kfree;
}
- if (!br_vlan_fill_vids(skb, vid, vid_range, v, flags, false))
+ if (!br_vlan_fill_vids(skb, vid, vid_range, v, p, flags, false))
goto out_err;
nlmsg_end(skb, nlh);
@@ -2030,7 +2031,7 @@ static int br_vlan_dump_dev(const struct net_device *dev,
if (!br_vlan_fill_vids(skb, range_start->vid,
range_end->vid, range_start,
- vlan_flags, dump_stats)) {
+ p, vlan_flags, dump_stats)) {
err = -EMSGSIZE;
break;
}
@@ -2056,7 +2057,7 @@ update_end:
else if (!dump_global &&
!br_vlan_fill_vids(skb, range_start->vid,
range_end->vid, range_start,
- br_vlan_flags(range_start, pvid),
+ p, br_vlan_flags(range_start, pvid),
dump_stats))
err = -EMSGSIZE;
}
@@ -2131,6 +2132,8 @@ static const struct nla_policy br_vlan_db_policy[BRIDGE_VLANDB_ENTRY_MAX + 1] =
[BRIDGE_VLANDB_ENTRY_STATE] = { .type = NLA_U8 },
[BRIDGE_VLANDB_ENTRY_TUNNEL_INFO] = { .type = NLA_NESTED },
[BRIDGE_VLANDB_ENTRY_MCAST_ROUTER] = { .type = NLA_U8 },
+ [BRIDGE_VLANDB_ENTRY_MCAST_N_GROUPS] = { .type = NLA_REJECT },
+ [BRIDGE_VLANDB_ENTRY_MCAST_MAX_GROUPS] = { .type = NLA_U32 },
};
static int br_vlan_rtm_process_one(struct net_device *dev,
diff --git a/net/bridge/br_vlan_options.c b/net/bridge/br_vlan_options.c
index a2724d03278c..e378c2f3a9e2 100644
--- a/net/bridge/br_vlan_options.c
+++ b/net/bridge/br_vlan_options.c
@@ -48,7 +48,8 @@ bool br_vlan_opts_eq_range(const struct net_bridge_vlan *v_curr,
curr_mc_rtr == range_mc_rtr;
}
-bool br_vlan_opts_fill(struct sk_buff *skb, const struct net_bridge_vlan *v)
+bool br_vlan_opts_fill(struct sk_buff *skb, const struct net_bridge_vlan *v,
+ const struct net_bridge_port *p)
{
if (nla_put_u8(skb, BRIDGE_VLANDB_ENTRY_STATE, br_vlan_get_state(v)) ||
!__vlan_tun_put(skb, v))
@@ -58,6 +59,12 @@ bool br_vlan_opts_fill(struct sk_buff *skb, const struct net_bridge_vlan *v)
if (nla_put_u8(skb, BRIDGE_VLANDB_ENTRY_MCAST_ROUTER,
br_vlan_multicast_router(v)))
return false;
+ if (p && !br_multicast_port_ctx_vlan_disabled(&v->port_mcast_ctx) &&
+ (nla_put_u32(skb, BRIDGE_VLANDB_ENTRY_MCAST_N_GROUPS,
+ br_multicast_ngroups_get(&v->port_mcast_ctx)) ||
+ nla_put_u32(skb, BRIDGE_VLANDB_ENTRY_MCAST_MAX_GROUPS,
+ br_multicast_ngroups_get_max(&v->port_mcast_ctx))))
+ return false;
#endif
return true;
@@ -70,6 +77,8 @@ size_t br_vlan_opts_nl_size(void)
+ nla_total_size(sizeof(u32)) /* BRIDGE_VLANDB_TINFO_ID */
#ifdef CONFIG_BRIDGE_IGMP_SNOOPING
+ nla_total_size(sizeof(u8)) /* BRIDGE_VLANDB_ENTRY_MCAST_ROUTER */
+ + nla_total_size(sizeof(u32)) /* BRIDGE_VLANDB_ENTRY_MCAST_N_GROUPS */
+ + nla_total_size(sizeof(u32)) /* BRIDGE_VLANDB_ENTRY_MCAST_MAX_GROUPS */
#endif
+ 0;
}
@@ -212,6 +221,22 @@ static int br_vlan_process_one_opts(const struct net_bridge *br,
return err;
*changed = true;
}
+ if (tb[BRIDGE_VLANDB_ENTRY_MCAST_MAX_GROUPS]) {
+ u32 val;
+
+ if (!p) {
+ NL_SET_ERR_MSG_MOD(extack, "Can't set mcast_max_groups for non-port vlans");
+ return -EINVAL;
+ }
+ if (br_multicast_port_ctx_vlan_disabled(&v->port_mcast_ctx)) {
+ NL_SET_ERR_MSG_MOD(extack, "Multicast snooping disabled on this VLAN");
+ return -EINVAL;
+ }
+
+ val = nla_get_u32(tb[BRIDGE_VLANDB_ENTRY_MCAST_MAX_GROUPS]);
+ br_multicast_ngroups_set_max(&v->port_mcast_ctx, val);
+ *changed = true;
+ }
#endif
return 0;
diff --git a/net/core/net-traces.c b/net/core/net-traces.c
index ee7006bbe49b..805b7385dd8d 100644
--- a/net/core/net-traces.c
+++ b/net/core/net-traces.c
@@ -41,6 +41,7 @@ EXPORT_TRACEPOINT_SYMBOL_GPL(br_fdb_add);
EXPORT_TRACEPOINT_SYMBOL_GPL(br_fdb_external_learn_add);
EXPORT_TRACEPOINT_SYMBOL_GPL(fdb_delete);
EXPORT_TRACEPOINT_SYMBOL_GPL(br_fdb_update);
+EXPORT_TRACEPOINT_SYMBOL_GPL(br_mdb_full);
#endif
#if IS_ENABLED(CONFIG_PAGE_POOL)
diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index b9f584955b77..5d8eb57867a9 100644
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -58,7 +58,7 @@
#include "dev.h"
#define RTNL_MAX_TYPE 50
-#define RTNL_SLAVE_MAX_TYPE 40
+#define RTNL_SLAVE_MAX_TYPE 42
struct rtnl_link {
rtnl_doit_func doit;
generated by cgit (git 2.34.1) at 2025-12-27 20:50:59 +0000