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net: Introduce VRF related flags and helpers

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Add a VRF_MASTER flag for interfaces and helper functions for determining
if a device is a VRF_MASTER.

Add link attribute for passing VRF_TABLE id.

Add vrf_ptr to netdevice.

Add various macros for determining if a device is a VRF device, the index
of the master VRF device and table associated with VRF device.

Signed-off-by: Shrijeet Mukherjee <shm@cumulusnetworks.com>
Signed-off-by: David Ahern <dsa@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David Ahern 2015-08-13 14:59:00 -06:00 • committed by David S. Miller
parent 0344338bd8
commit 4e3c89920c
3 changed files with 168 additions and 0 deletions
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9
include/uapi/linux/if_link.h
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@ -341,6 +341,15 @@ enum macvlan_macaddr_mode {
#define MACVLAN_FLAG_NOPROMISC 1
/* VRF section */
enum {
IFLA_VRF_UNSPEC,
IFLA_VRF_TABLE,
__IFLA_VRF_MAX
};
#define IFLA_VRF_MAX (__IFLA_VRF_MAX - 1)
/* IPVLAN section */
enum {
IFLA_IPVLAN_UNSPEC,