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Diffstat (limited to 'net/bridge/br_netlink.c')
-rw-r--r--net/bridge/br_netlink.c86
1 files changed, 72 insertions, 14 deletions
diff --git a/net/bridge/br_netlink.c b/net/bridge/br_netlink.c
index 4316cc82ae17..0264730938f4 100644
--- a/net/bridge/br_netlink.c
+++ b/net/bridge/br_netlink.c
@@ -189,6 +189,7 @@ static inline size_t br_port_info_size(void)
+ nla_total_size(1) /* IFLA_BRPORT_ISOLATED */
+ nla_total_size(1) /* IFLA_BRPORT_LOCKED */
+ nla_total_size(1) /* IFLA_BRPORT_MAB */
+ + nla_total_size(1) /* IFLA_BRPORT_NEIGH_VLAN_SUPPRESS */
+ nla_total_size(sizeof(struct ifla_bridge_id)) /* IFLA_BRPORT_ROOT_ID */
+ nla_total_size(sizeof(struct ifla_bridge_id)) /* IFLA_BRPORT_BRIDGE_ID */
+ nla_total_size(sizeof(u16)) /* IFLA_BRPORT_DESIGNATED_PORT */
@@ -202,12 +203,15 @@ 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 */
+ nla_total_size(sizeof(u8)) /* IFLA_BRPORT_MRP_IN_OPEN */
+ nla_total_size(sizeof(u32)) /* IFLA_BRPORT_MCAST_EHT_HOSTS_LIMIT */
+ nla_total_size(sizeof(u32)) /* IFLA_BRPORT_MCAST_EHT_HOSTS_CNT */
+ + nla_total_size(sizeof(u32)) /* IFLA_BRPORT_BACKUP_NHID */
+ 0;
}
@@ -276,7 +280,9 @@ static int br_port_fill_attrs(struct sk_buff *skb,
!!(p->flags & BR_MRP_LOST_IN_CONT)) ||
nla_put_u8(skb, IFLA_BRPORT_ISOLATED, !!(p->flags & BR_ISOLATED)) ||
nla_put_u8(skb, IFLA_BRPORT_LOCKED, !!(p->flags & BR_PORT_LOCKED)) ||
- nla_put_u8(skb, IFLA_BRPORT_MAB, !!(p->flags & BR_PORT_MAB)))
+ nla_put_u8(skb, IFLA_BRPORT_MAB, !!(p->flags & BR_PORT_MAB)) ||
+ nla_put_u8(skb, IFLA_BRPORT_NEIGH_VLAN_SUPPRESS,
+ !!(p->flags & BR_NEIGH_VLAN_SUPPRESS)))
return -EMSGSIZE;
timerval = br_timer_value(&p->message_age_timer);
@@ -298,7 +304,11 @@ 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
@@ -310,6 +320,10 @@ static int br_port_fill_attrs(struct sk_buff *skb,
backup_p->dev->ifindex);
rcu_read_unlock();
+ if (p->backup_nhid &&
+ nla_put_u32(skb, IFLA_BRPORT_BACKUP_NHID, p->backup_nhid))
+ return -EMSGSIZE;
+
return 0;
}
@@ -441,7 +455,8 @@ static int br_fill_ifinfo(struct sk_buff *skb,
u32 filter_mask, const struct net_device *dev,
bool getlink)
{
- u8 operstate = netif_running(dev) ? dev->operstate : IF_OPER_DOWN;
+ u8 operstate = netif_running(dev) ? READ_ONCE(dev->operstate) :
+ IF_OPER_DOWN;
struct nlattr *af = NULL;
struct net_bridge *br;
struct ifinfomsg *hdr;
@@ -452,7 +467,7 @@ static int br_fill_ifinfo(struct sk_buff *skb,
else
br = netdev_priv(dev);
- br_debug(br, "br_fill_info event %d port %s master %s\n",
+ br_debug(br, "br_fill_ifinfo event %d port %s master %s\n",
event, dev->name, br->dev->name);
nlh = nlmsg_put(skb, pid, seq, event, sizeof(*hdr), flags);
@@ -464,7 +479,7 @@ static int br_fill_ifinfo(struct sk_buff *skb,
hdr->__ifi_pad = 0;
hdr->ifi_type = dev->type;
hdr->ifi_index = dev->ifindex;
- hdr->ifi_flags = dev_get_flags(dev);
+ hdr->ifi_flags = netif_get_flags(dev);
hdr->ifi_change = 0;
if (nla_put_string(skb, IFLA_IFNAME, dev->name) ||
@@ -652,7 +667,7 @@ void br_ifinfo_notify(int event, const struct net_bridge *br,
{
u32 filter = RTEXT_FILTER_BRVLAN_COMPRESSED;
- return br_info_notify(event, br, port, filter);
+ br_info_notify(event, br, port, filter);
}
/*
@@ -858,6 +873,8 @@ 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 +898,10 @@ 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 },
+ [IFLA_BRPORT_NEIGH_VLAN_SUPPRESS] = NLA_POLICY_MAX(NLA_U8, 1),
+ [IFLA_BRPORT_BACKUP_NHID] = { .type = NLA_U32 },
};
/* Change the state of the port and notify spanning tree */
@@ -947,6 +968,8 @@ static int br_setport(struct net_bridge_port *p, struct nlattr *tb[],
br_set_port_flag(p, tb, IFLA_BRPORT_ISOLATED, BR_ISOLATED);
br_set_port_flag(p, tb, IFLA_BRPORT_LOCKED, BR_PORT_LOCKED);
br_set_port_flag(p, tb, IFLA_BRPORT_MAB, BR_PORT_MAB);
+ br_set_port_flag(p, tb, IFLA_BRPORT_NEIGH_VLAN_SUPPRESS,
+ BR_NEIGH_VLAN_SUPPRESS);
if ((p->flags & BR_PORT_MAB) &&
(!(p->flags & BR_PORT_LOCKED) || !(p->flags & BR_LEARNING))) {
@@ -1015,6 +1038,13 @@ 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]) {
@@ -1042,6 +1072,12 @@ static int br_setport(struct net_bridge_port *p, struct nlattr *tb[],
return err;
}
+ if (tb[IFLA_BRPORT_BACKUP_NHID]) {
+ u32 backup_nhid = nla_get_u32(tb[IFLA_BRPORT_BACKUP_NHID]);
+
+ WRITE_ONCE(p->backup_nhid, backup_nhid);
+ }
+
return 0;
}
@@ -1194,6 +1230,8 @@ static size_t br_port_get_slave_size(const struct net_device *brdev,
}
static const struct nla_policy br_policy[IFLA_BR_MAX + 1] = {
+ [IFLA_BR_UNSPEC] = { .strict_start_type =
+ IFLA_BR_FDB_N_LEARNED },
[IFLA_BR_FORWARD_DELAY] = { .type = NLA_U32 },
[IFLA_BR_HELLO_TIME] = { .type = NLA_U32 },
[IFLA_BR_MAX_AGE] = { .type = NLA_U32 },
@@ -1230,6 +1268,8 @@ static const struct nla_policy br_policy[IFLA_BR_MAX + 1] = {
[IFLA_BR_VLAN_STATS_PER_PORT] = { .type = NLA_U8 },
[IFLA_BR_MULTI_BOOLOPT] =
NLA_POLICY_EXACT_LEN(sizeof(struct br_boolopt_multi)),
+ [IFLA_BR_FDB_N_LEARNED] = { .type = NLA_REJECT },
+ [IFLA_BR_FDB_MAX_LEARNED] = { .type = NLA_U32 },
};
static int br_changelink(struct net_device *brdev, struct nlattr *tb[],
@@ -1504,14 +1544,22 @@ static int br_changelink(struct net_device *brdev, struct nlattr *tb[],
return err;
}
+ if (data[IFLA_BR_FDB_MAX_LEARNED]) {
+ u32 val = nla_get_u32(data[IFLA_BR_FDB_MAX_LEARNED]);
+
+ WRITE_ONCE(br->fdb_max_learned, val);
+ }
+
return 0;
}
-static int br_dev_newlink(struct net *src_net, struct net_device *dev,
- struct nlattr *tb[], struct nlattr *data[],
+static int br_dev_newlink(struct net_device *dev,
+ struct rtnl_newlink_params *params,
struct netlink_ext_ack *extack)
{
struct net_bridge *br = netdev_priv(dev);
+ struct nlattr **data = params->data;
+ struct nlattr **tb = params->tb;
int err;
err = register_netdevice(dev);
@@ -1558,6 +1606,8 @@ static size_t br_get_size(const struct net_device *brdev)
nla_total_size_64bit(sizeof(u64)) + /* IFLA_BR_TOPOLOGY_CHANGE_TIMER */
nla_total_size_64bit(sizeof(u64)) + /* IFLA_BR_GC_TIMER */
nla_total_size(ETH_ALEN) + /* IFLA_BR_GROUP_ADDR */
+ nla_total_size(sizeof(u32)) + /* IFLA_BR_FDB_N_LEARNED */
+ nla_total_size(sizeof(u32)) + /* IFLA_BR_FDB_MAX_LEARNED */
#ifdef CONFIG_BRIDGE_IGMP_SNOOPING
nla_total_size(sizeof(u8)) + /* IFLA_BR_MCAST_ROUTER */
nla_total_size(sizeof(u8)) + /* IFLA_BR_MCAST_SNOOPING */
@@ -1633,7 +1683,10 @@ static int br_fill_info(struct sk_buff *skb, const struct net_device *brdev)
nla_put_u8(skb, IFLA_BR_TOPOLOGY_CHANGE_DETECTED,
br->topology_change_detected) ||
nla_put(skb, IFLA_BR_GROUP_ADDR, ETH_ALEN, br->group_addr) ||
- nla_put(skb, IFLA_BR_MULTI_BOOLOPT, sizeof(bm), &bm))
+ nla_put(skb, IFLA_BR_MULTI_BOOLOPT, sizeof(bm), &bm) ||
+ nla_put_u32(skb, IFLA_BR_FDB_N_LEARNED,
+ atomic_read(&br->fdb_n_learned)) ||
+ nla_put_u32(skb, IFLA_BR_FDB_MAX_LEARNED, br->fdb_max_learned))
return -EMSGSIZE;
#ifdef CONFIG_BRIDGE_VLAN_FILTERING
@@ -1869,9 +1922,13 @@ int __init br_netlink_init(void)
{
int err;
- br_mdb_init();
- br_vlan_rtnl_init();
- rtnl_af_register(&br_af_ops);
+ err = br_vlan_rtnl_init();
+ if (err)
+ goto out;
+
+ err = rtnl_af_register(&br_af_ops);
+ if (err)
+ goto out_vlan;
err = rtnl_link_register(&br_link_ops);
if (err)
@@ -1881,13 +1938,14 @@ int __init br_netlink_init(void)
out_af:
rtnl_af_unregister(&br_af_ops);
- br_mdb_uninit();
+out_vlan:
+ br_vlan_rtnl_uninit();
+out:
return err;
}
void br_netlink_fini(void)
{
- br_mdb_uninit();
br_vlan_rtnl_uninit();
rtnl_af_unregister(&br_af_ops);
rtnl_link_unregister(&br_link_ops);
generated by cgit (git 2.34.1) at 2025-12-25 06:41:30 +0000