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bridge: add MDB get uAPI attributes

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Add MDB get attributes that correspond to the MDB set attributes used in
RTM_NEWMDB messages. Specifically, add 'MDBA_GET_ENTRY' which will hold
a 'struct br_mdb_entry' and 'MDBA_GET_ENTRY_ATTRS' which will hold
'MDBE_ATTR_*' attributes that are used as indexes (source IP and source
VNI).

An example request will look as follows:

[ struct nlmsghdr ]
[ struct br_port_msg ]
[ MDBA_GET_ENTRY ]
	struct br_mdb_entry
[ MDBA_GET_ENTRY_ATTRS ]
	[ MDBE_ATTR_SOURCE ]
		struct in_addr / struct in6_addr
	[ MDBE_ATTR_SRC_VNI ]
		u32

Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Acked-by: Nikolay Aleksandrov <razor@blackwall.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Ido Schimmel
2023-10-25 15:30:14 +03:00
committed by David S. Miller
parent 14c32a46d9
commit 83c1bbeb86
1 changed files with 18 additions and 0 deletions
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include/uapi/linux/if_bridge.h
+18
View File
@@ -723,6 +723,24 @@ enum {
};
#define MDBA_SET_ENTRY_MAX (__MDBA_SET_ENTRY_MAX - 1)
/* [MDBA_GET_ENTRY] = {
* struct br_mdb_entry
* [MDBA_GET_ENTRY_ATTRS] = {
* [MDBE_ATTR_SOURCE]
* struct in_addr / struct in6_addr
* [MDBE_ATTR_SRC_VNI]
* u32
* }
* }
*/
enum {
MDBA_GET_ENTRY_UNSPEC,
MDBA_GET_ENTRY,
MDBA_GET_ENTRY_ATTRS,
__MDBA_GET_ENTRY_MAX,
};
#define MDBA_GET_ENTRY_MAX (__MDBA_GET_ENTRY_MAX - 1)
/* [MDBA_SET_ENTRY_ATTRS] = {
* [MDBE_ATTR_xxx]
* ...