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net: Allow a rule to track originating protocol

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Allow a rule that is being added/deleted/modified or
dumped to contain the originating protocol's id.

The protocol is handled just like a routes originating
protocol is.  This is especially useful because there
is starting to be a plethora of different user space
programs adding rules.

Allow the vrf device to specify that the kernel is the originator
of the rule created for this device.

Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Donald Sharp
2018-02-20 08:55:58 -05:00
committed by David S. Miller
parent af9090c237
commit cac56209a6
4 changed files with 10 additions and 3 deletions
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3
include/net/fib_rules.h
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@@ -26,7 +26,8 @@ struct fib_rule {
u32 table;
u8 action;
u8 l3mdev;
/* 2 bytes hole, try to use */
u8 proto;
/* 1 byte hole, try to use */
u32 target;
__be64 tun_id;
struct fib_rule __rcu *ctarget;