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bridge: add API to notify bridge driver of learned FBD on offloaded device

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When the swdev device learns a new mac/vlan on a port, it sends some async
notification to the driver and the driver installs an FDB in the device.
To give a holistic system view, the learned mac/vlan should be reflected
in the bridge's FBD table, so the user, using normal iproute2 cmds, can view
what is currently learned by the device.  This API on the bridge driver gives
a way for the swdev driver to install an FBD entry in the bridge FBD table.
(And remove one).

This is equivalent to the device running these cmds:

  bridge fdb [add|del] <mac> dev <dev> vid <vlan id> master

This patch needs some extra eyeballs for review, in paricular around the
locking and contexts.

Signed-off-by: Scott Feldman <sfeldma@gmail.com>
Signed-off-by: Jiri Pirko <jiri@resnulli.us>
Acked-by: Jamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Scott Feldman 2014-11-28 14:34:21 +01:00 • committed by David S. Miller
parent 38dcf357ae
commit cf6b8e1eed
4 changed files with 111 additions and 2 deletions
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1
include/uapi/linux/neighbour.h
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@ -38,6 +38,7 @@ enum {
#define NTF_SELF 0x02
#define NTF_MASTER 0x04
#define NTF_PROXY 0x08 /* == ATF_PUBL */
#define NTF_EXT_LEARNED 0x10
#define NTF_ROUTER 0x80
/*