diff options
| author | Roopa Prabhu <roopa@cumulusnetworks.com> | 2018-12-15 22:35:09 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2018-12-16 14:42:34 -0800 |
| commit | 4767456212f8cd70775dc55d9bc72e184ff84642 (patch) | |
| tree | 907f7bcef700068b60753686aaf9b9ace171fea6 /net/bridge | |
| parent | 5b2f94b27622d5b92d1cebf4bb5a627db4444607 (diff) | |
| download | linux-4767456212f8cd70775dc55d9bc72e184ff84642.tar.bz2 | |
bridge: support for ndo_fdb_get
This patch implements ndo_fdb_get for the bridge
fdb.
Signed-off-by: Roopa Prabhu <roopa@cumulusnetworks.com>
Acked-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Reviewed-by: David Ahern <dsa@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/bridge')
| -rw-r--r-- | net/bridge/br_device.c | 1 | ||||
| -rw-r--r-- | net/bridge/br_fdb.c | 26 | ||||
| -rw-r--r-- | net/bridge/br_private.h | 3 |
3 files changed, 30 insertions, 0 deletions
diff --git a/net/bridge/br_device.c b/net/bridge/br_device.c index 9f41a5d4da3f..013323b6dbe4 100644 --- a/net/bridge/br_device.c +++ b/net/bridge/br_device.c @@ -403,6 +403,7 @@ static const struct net_device_ops br_netdev_ops = { .ndo_fdb_add = br_fdb_add, .ndo_fdb_del = br_fdb_delete, .ndo_fdb_dump = br_fdb_dump, + .ndo_fdb_get = br_fdb_get, .ndo_bridge_getlink = br_getlink, .ndo_bridge_setlink = br_setlink, .ndo_bridge_dellink = br_dellink, diff --git a/net/bridge/br_fdb.c b/net/bridge/br_fdb.c index 38b1d0dd0529..fe3c758791ca 100644 --- a/net/bridge/br_fdb.c +++ b/net/bridge/br_fdb.c @@ -773,6 +773,32 @@ skip: return err; } +int br_fdb_get(struct sk_buff *skb, + struct nlattr *tb[], + struct net_device *dev, + const unsigned char *addr, + u16 vid, u32 portid, u32 seq, + struct netlink_ext_ack *extack) +{ + struct net_bridge *br = netdev_priv(dev); + struct net_bridge_fdb_entry *f; + int err = 0; + + rcu_read_lock(); + f = br_fdb_find_rcu(br, addr, vid); + if (!f) { + NL_SET_ERR_MSG(extack, "Fdb entry not found"); + err = -ENOENT; + goto errout; + } + + err = fdb_fill_info(skb, br, f, portid, seq, + RTM_NEWNEIGH, 0); +errout: + rcu_read_unlock(); + return err; +} + /* Update (create or replace) forwarding database entry */ static int fdb_add_entry(struct net_bridge *br, struct net_bridge_port *source, const u8 *addr, u16 state, u16 flags, u16 vid, diff --git a/net/bridge/br_private.h b/net/bridge/br_private.h index ff3dfb2a78b8..d240b3e7919f 100644 --- a/net/bridge/br_private.h +++ b/net/bridge/br_private.h @@ -575,6 +575,9 @@ int br_fdb_add(struct ndmsg *nlh, struct nlattr *tb[], struct net_device *dev, const unsigned char *addr, u16 vid, u16 nlh_flags); 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, + const unsigned char *addr, u16 vid, u32 portid, u32 seq, + struct netlink_ext_ack *extack); int br_fdb_sync_static(struct net_bridge *br, struct net_bridge_port *p); void br_fdb_unsync_static(struct net_bridge *br, struct net_bridge_port *p); int br_fdb_external_learn_add(struct net_bridge *br, struct net_bridge_port *p, |