Commit 85ef52e8 authored by Guillaume Nault's avatar Guillaume Nault Committed by Jakub Kicinski
Browse files

ipv4: Prepare ip_rt_get_source() to future .flowi4_tos conversion. 



Use ip4h_dscp() to get the DSCP from the IPv4 header, then convert the
dscp_t value to __u8 with inet_dscp_to_dsfield().

Then, when we'll convert .flowi4_tos to dscp_t, we'll just have to drop
the inet_dscp_to_dsfield() call.

Signed-off-by: default avatarGuillaume Nault <gnault@redhat.com>
Reviewed-by: default avatarIdo Schimmel <idosch@nvidia.com>
Link: https://patch.msgid.link/0a13a200f31809841975e38633914af1061e0c04.1729530028.git.gnault@redhat.com


Signed-off-by: default avatarJakub Kicinski <kuba@kernel.org>
parent 6ab04392

net/ipv4/route.c

+1 −1
Original line number Diff line number Diff line
@@ -1263,7 +1263,7 @@ void ip_rt_get_source(u8 *addr, struct sk_buff *skb, struct rtable *rt) 
		struct flowi4 fl4 = {

			.daddr = iph->daddr,

			.saddr = iph->saddr,

			.flowi4_tos = iph->tos & INET_DSCP_MASK,

			.flowi4_tos = inet_dscp_to_dsfield(ip4h_dscp(iph)),

			.flowi4_oif = rt->dst.dev->ifindex,

			.flowi4_iif = skb->dev->ifindex,

			.flowi4_mark = skb->mark,