From 1b71af6053af1bd2f849e9fda4f71c1e3f145dcf Mon Sep 17 00:00:00 2001 From: Donald Sharp Date: Fri, 23 Feb 2018 14:01:52 -0500 Subject: net: fib_rules: Add new attribute to set protocol For ages iproute2 has used `struct rtmsg` as the ancillary header for FIB rules and in the process set the protocol value to RTPROT_BOOT. Until ca56209a66 ("net: Allow a rule to track originating protocol") the kernel rules code ignored the protocol value sent from userspace and always returned 0 in notifications. To avoid incompatibility with existing iproute2, send the protocol as a new attribute. Fixes: cac56209a66 ("net: Allow a rule to track originating protocol") Signed-off-by: Donald Sharp Signed-off-by: David S. Miller --- drivers/net/vrf.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) (limited to 'drivers/net/vrf.c') diff --git a/drivers/net/vrf.c b/drivers/net/vrf.c index 951a4b42cb29..9ce0182223a0 100644 --- a/drivers/net/vrf.c +++ b/drivers/net/vrf.c @@ -1145,6 +1145,7 @@ static inline size_t vrf_fib_rule_nl_size(void) sz = NLMSG_ALIGN(sizeof(struct fib_rule_hdr)); sz += nla_total_size(sizeof(u8)); /* FRA_L3MDEV */ sz += nla_total_size(sizeof(u32)); /* FRA_PRIORITY */ + sz += nla_total_size(sizeof(u8)); /* FRA_PROTOCOL */ return sz; } @@ -1174,7 +1175,9 @@ static int vrf_fib_rule(const struct net_device *dev, __u8 family, bool add_it) memset(frh, 0, sizeof(*frh)); frh->family = family; frh->action = FR_ACT_TO_TBL; - frh->proto = RTPROT_KERNEL; + + if (nla_put_u8(skb, FRA_PROTOCOL, RTPROT_KERNEL)) + goto nla_put_failure; if (nla_put_u8(skb, FRA_L3MDEV, 1)) goto nla_put_failure; -- cgit v1.2.3-59-g8ed1b