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Diffstat (limited to 'net')
-rw-r--r--net/bridge/br_fdb.c27
-rw-r--r--net/bridge/br_private.h4
-rw-r--r--net/core/rtnetlink.c20
3 files changed, 31 insertions, 20 deletions
diff --git a/net/bridge/br_fdb.c b/net/bridge/br_fdb.c
index 77f110035df1..82bac2426631 100644
--- a/net/bridge/br_fdb.c
+++ b/net/bridge/br_fdb.c
@@ -1152,7 +1152,7 @@ static int fdb_add_entry(struct net_bridge *br, struct net_bridge_port *source,
static int __br_fdb_add(struct ndmsg *ndm, struct net_bridge *br,
struct net_bridge_port *p, const unsigned char *addr,
u16 nlh_flags, u16 vid, struct nlattr *nfea_tb[],
- struct netlink_ext_ack *extack)
+ bool *notified, struct netlink_ext_ack *extack)
{
int err = 0;
@@ -1183,6 +1183,8 @@ static int __br_fdb_add(struct ndmsg *ndm, struct net_bridge *br,
spin_unlock_bh(&br->hash_lock);
}
+ if (!err)
+ *notified = true;
return err;
}
@@ -1195,7 +1197,7 @@ static const struct nla_policy br_nda_fdb_pol[NFEA_MAX + 1] = {
int br_fdb_add(struct ndmsg *ndm, struct nlattr *tb[],
struct net_device *dev,
const unsigned char *addr, u16 vid, u16 nlh_flags,
- struct netlink_ext_ack *extack)
+ bool *notified, struct netlink_ext_ack *extack)
{
struct nlattr *nfea_tb[NFEA_MAX + 1], *attr;
struct net_bridge_vlan_group *vg;
@@ -1258,10 +1260,10 @@ int br_fdb_add(struct ndmsg *ndm, struct nlattr *tb[],
/* VID was specified, so use it. */
err = __br_fdb_add(ndm, br, p, addr, nlh_flags, vid, nfea_tb,
- extack);
+ notified, extack);
} else {
err = __br_fdb_add(ndm, br, p, addr, nlh_flags, 0, nfea_tb,
- extack);
+ notified, extack);
if (err || !vg || !vg->num_vlans)
goto out;
@@ -1273,7 +1275,7 @@ int br_fdb_add(struct ndmsg *ndm, struct nlattr *tb[],
if (!br_vlan_should_use(v))
continue;
err = __br_fdb_add(ndm, br, p, addr, nlh_flags, v->vid,
- nfea_tb, extack);
+ nfea_tb, notified, extack);
if (err)
goto out;
}
@@ -1285,7 +1287,7 @@ out:
static int fdb_delete_by_addr_and_port(struct net_bridge *br,
const struct net_bridge_port *p,
- const u8 *addr, u16 vlan)
+ const u8 *addr, u16 vlan, bool *notified)
{
struct net_bridge_fdb_entry *fdb;
@@ -1294,18 +1296,19 @@ static int fdb_delete_by_addr_and_port(struct net_bridge *br,
return -ENOENT;
fdb_delete(br, fdb, true);
+ *notified = true;
return 0;
}
static int __br_fdb_delete(struct net_bridge *br,
const struct net_bridge_port *p,
- const unsigned char *addr, u16 vid)
+ const unsigned char *addr, u16 vid, bool *notified)
{
int err;
spin_lock_bh(&br->hash_lock);
- err = fdb_delete_by_addr_and_port(br, p, addr, vid);
+ err = fdb_delete_by_addr_and_port(br, p, addr, vid, notified);
spin_unlock_bh(&br->hash_lock);
return err;
@@ -1314,7 +1317,7 @@ static int __br_fdb_delete(struct net_bridge *br,
/* Remove neighbor entry with RTM_DELNEIGH */
int br_fdb_delete(struct ndmsg *ndm, struct nlattr *tb[],
struct net_device *dev,
- const unsigned char *addr, u16 vid,
+ const unsigned char *addr, u16 vid, bool *notified,
struct netlink_ext_ack *extack)
{
struct net_bridge_vlan_group *vg;
@@ -1337,19 +1340,19 @@ int br_fdb_delete(struct ndmsg *ndm, struct nlattr *tb[],
}
if (vid) {
- err = __br_fdb_delete(br, p, addr, vid);
+ err = __br_fdb_delete(br, p, addr, vid, notified);
} else {
struct net_bridge_vlan *v;
err = -ENOENT;
- err &= __br_fdb_delete(br, p, addr, 0);
+ err &= __br_fdb_delete(br, p, addr, 0, notified);
if (!vg || !vg->num_vlans)
return err;
list_for_each_entry(v, &vg->vlan_list, vlist) {
if (!br_vlan_should_use(v))
continue;
- err &= __br_fdb_delete(br, p, addr, v->vid);
+ err &= __br_fdb_delete(br, p, addr, v->vid, notified);
}
}
diff --git a/net/bridge/br_private.h b/net/bridge/br_private.h
index 041f6e571a20..9853cfbb9d14 100644
--- a/net/bridge/br_private.h
+++ b/net/bridge/br_private.h
@@ -853,12 +853,12 @@ void br_fdb_update(struct net_bridge *br, struct net_bridge_port *source,
int br_fdb_delete(struct ndmsg *ndm, struct nlattr *tb[],
struct net_device *dev, const unsigned char *addr, u16 vid,
- struct netlink_ext_ack *extack);
+ bool *notified, struct netlink_ext_ack *extack);
int br_fdb_delete_bulk(struct nlmsghdr *nlh, struct net_device *dev,
struct netlink_ext_ack *extack);
int br_fdb_add(struct ndmsg *nlh, struct nlattr *tb[], struct net_device *dev,
const unsigned char *addr, u16 vid, u16 nlh_flags,
- struct netlink_ext_ack *extack);
+ bool *notified, struct netlink_ext_ack *extack);
int br_fdb_dump(struct sk_buff *skb, struct netlink_callback *cb,
struct net_device *dev, struct net_device *fdev, int *idx);
int br_fdb_get(struct sk_buff *skb, struct nlattr *tb[], struct net_device *dev,
diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index 327fa4957929..dd142f444659 100644
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -4578,9 +4578,10 @@ static int rtnl_fdb_add(struct sk_buff *skb, struct nlmsghdr *nlh,
netif_is_bridge_port(dev)) {
struct net_device *br_dev = netdev_master_upper_dev_get(dev);
const struct net_device_ops *ops = br_dev->netdev_ops;
+ bool notified = false;
err = ops->ndo_fdb_add(ndm, tb, dev, addr, vid,
- nlh->nlmsg_flags, extack);
+ nlh->nlmsg_flags, &notified, extack);
if (err)
goto out;
else
@@ -4589,16 +4590,18 @@ static int rtnl_fdb_add(struct sk_buff *skb, struct nlmsghdr *nlh,
/* Embedded bridge, macvlan, and any other device support */
if ((ndm->ndm_flags & NTF_SELF)) {
+ bool notified = false;
+
if (dev->netdev_ops->ndo_fdb_add)
err = dev->netdev_ops->ndo_fdb_add(ndm, tb, dev, addr,
vid,
nlh->nlmsg_flags,
- extack);
+ &notified, extack);
else
err = ndo_dflt_fdb_add(ndm, tb, dev, addr, vid,
nlh->nlmsg_flags);
- if (!err) {
+ if (!err && !notified) {
rtnl_fdb_notify(dev, addr, vid, RTM_NEWNEIGH,
ndm->ndm_state);
ndm->ndm_flags &= ~NTF_SELF;
@@ -4698,11 +4701,13 @@ static int rtnl_fdb_del(struct sk_buff *skb, struct nlmsghdr *nlh,
if ((!ndm->ndm_flags || ndm->ndm_flags & NTF_MASTER) &&
netif_is_bridge_port(dev)) {
struct net_device *br_dev = netdev_master_upper_dev_get(dev);
+ bool notified = false;
ops = br_dev->netdev_ops;
if (!del_bulk) {
if (ops->ndo_fdb_del)
- err = ops->ndo_fdb_del(ndm, tb, dev, addr, vid, extack);
+ err = ops->ndo_fdb_del(ndm, tb, dev, addr, vid,
+ &notified, extack);
} else {
if (ops->ndo_fdb_del_bulk)
err = ops->ndo_fdb_del_bulk(nlh, dev, extack);
@@ -4716,10 +4721,13 @@ static int rtnl_fdb_del(struct sk_buff *skb, struct nlmsghdr *nlh,
/* Embedded bridge, macvlan, and any other device support */
if (ndm->ndm_flags & NTF_SELF) {
+ bool notified = false;
+
ops = dev->netdev_ops;
if (!del_bulk) {
if (ops->ndo_fdb_del)
- err = ops->ndo_fdb_del(ndm, tb, dev, addr, vid, extack);
+ err = ops->ndo_fdb_del(ndm, tb, dev, addr, vid,
+ &notified, extack);
else
err = ndo_dflt_fdb_del(ndm, tb, dev, addr, vid);
} else {
@@ -4730,7 +4738,7 @@ static int rtnl_fdb_del(struct sk_buff *skb, struct nlmsghdr *nlh,
}
if (!err) {
- if (!del_bulk)
+ if (!del_bulk && !notified)
rtnl_fdb_notify(dev, addr, vid, RTM_DELNEIGH,
ndm->ndm_state);
ndm->ndm_flags &= ~NTF_SELF;
generated by cgit (git 2.34.1) at 2025-12-27 18:08:10 +0000