[IPV4]: Add support for fwmark masks in routing rules

Add a FRA_FWMASK attributes for fwmark masks. For compatibility a mask of
0xFFFFFFFF is used when a mark value != 0 is sent without a mask.

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 2 insertions, 1 deletions

diff --git a/include/linux/fib_rules.h b/include/linux/fib_rules.h
index 2987549d6044..4418c8d9d479 100644
--- a/include/linux/fib_rules.h
+++ b/include/linux/fib_rules.h
@@ -34,12 +34,13 @@ enum
         FRA_UNUSED3,
         FRA_UNUSED4,
         FRA_UNUSED5,
-        FRA_FWMARK,     /* netfilter mark (IPv4/IPv6) */
+        FRA_FWMARK,     /* netfilter mark */
         FRA_FLOW,       /* flow/class id */
         FRA_UNUSED6,
         FRA_UNUSED7,
         FRA_UNUSED8,
         FRA_TABLE,      /* Extended table id */
+        FRA_FWMASK,     /* mask for netfilter mark */
         __FRA_MAX
 };