提交 47674562 编写于 作者: R Roopa Prabhu 提交者: David S. Miller

bridge: support for ndo_fdb_get

This patch implements ndo_fdb_get for the bridge
fdb.
Signed-off-by: NRoopa Prabhu <roopa@cumulusnetworks.com>
Acked-by: NNikolay Aleksandrov <nikolay@cumulusnetworks.com>
Reviewed-by: NDavid Ahern <dsa@cumulusnetworks.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>
上级 5b2f94b2
......@@ -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,
......
......@@ -773,6 +773,32 @@ int br_fdb_dump(struct sk_buff *skb,
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,
......
......@@ -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,
......
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