diff options
author | Petr Machata <petrm@nvidia.com> | 2024-11-14 15:09:54 +0100 |
---|---|---|
committer | Jakub Kicinski <kuba@kernel.org> | 2024-11-15 16:39:18 -0800 |
commit | 42575ad5aab932273475d1ec3e7881cb5a05420e (patch) | |
tree | 3d8289616ef88f320bda7899ad5952e60cc17cb8 /net | |
parent | 4b42fbc6bd8f73d9ded535d8c61ccaa837ff3bd4 (diff) |
ndo_fdb_del: Add a parameter to report whether notification was sent
In a similar fashion to ndo_fdb_add, which was covered in the previous
patch, add the bool *notified argument to ndo_fdb_del. Callees that send a
notification on their own set the flag to true.
Signed-off-by: Petr Machata <petrm@nvidia.com>
Reviewed-by: Amit Cohen <amcohen@nvidia.com>
Reviewed-by: Nikolay Aleksandrov <razor@blackwall.org>
Link: https://patch.msgid.link/06b1acf4953ef0a5ed153ef1f32d7292044f2be6.1731589511.git.petrm@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'net')
-rw-r--r-- | net/bridge/br_fdb.c | 15 | ||||
-rw-r--r-- | net/bridge/br_private.h | 2 | ||||
-rw-r--r-- | net/core/rtnetlink.c | 11 |
3 files changed, 17 insertions, 11 deletions
diff --git a/net/bridge/br_fdb.c b/net/bridge/br_fdb.c index 5f29958f3ddd..82bac2426631 100644 --- a/net/bridge/br_fdb.c +++ b/net/bridge/br_fdb.c @@ -1287,7 +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; @@ -1296,18 +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; @@ -1316,7 +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; @@ -1339,19 +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 ebfc59049ec1..9853cfbb9d14 100644 --- a/net/bridge/br_private.h +++ b/net/bridge/br_private.h @@ -853,7 +853,7 @@ 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, diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c index f31b2436cde5..dd142f444659 100644 --- a/net/core/rtnetlink.c +++ b/net/core/rtnetlink.c @@ -4701,11 +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, + ¬ified, extack); } else { if (ops->ndo_fdb_del_bulk) err = ops->ndo_fdb_del_bulk(nlh, dev, extack); @@ -4719,10 +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, + ¬ified, extack); else err = ndo_dflt_fdb_del(ndm, tb, dev, addr, vid); } else { @@ -4733,7 +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; |