summaryrefslogtreecommitdiffstats
path: root/net/bridge
diff options
context:
space:
mode:
authorRoopa Prabhu <roopa@cumulusnetworks.com>2018-12-15 22:35:09 -0800
committerDavid S. Miller <davem@davemloft.net>2018-12-16 14:42:34 -0800
commit4767456212f8cd70775dc55d9bc72e184ff84642 (patch)
tree907f7bcef700068b60753686aaf9b9ace171fea6 /net/bridge
parent5b2f94b27622d5b92d1cebf4bb5a627db4444607 (diff)
downloadlinux-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.c1
-rw-r--r--net/bridge/br_fdb.c26
-rw-r--r--net/bridge/br_private.h3
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,