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bridge: mdb: add vlan support for user entries

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Until now all user mdb entries were added in vlan 0, this patch adds
support to allow the user to specify the vlan for the entry.
About the uapi change a hole in struct br_mdb_entry is used so the size
and offsets are kept the same (verified with pahole and tested with older
iproute2).

Example:
$ bridge mdb
dev br0 port eth1 grp 239.0.0.1 permanent vlan 2000
dev br0 port eth1 grp 239.0.0.1 permanent vlan 200
dev br0 port eth1 grp 239.0.0.1 permanent

Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Nikolay Aleksandrov 2015-07-10 08:02:08 -07:00 • committed by David S. Miller
parent c4675f9353
commit 74fe61f17e
2 changed files with 7 additions and 0 deletions
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1
include/uapi/linux/if_bridge.h
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@ -182,6 +182,7 @@ struct br_mdb_entry {
#define MDB_TEMPORARY 0
#define MDB_PERMANENT 1
__u8 state;
__u16 vid;
struct {
union {
__be32 ip4;