Re: [net-next v2] seg6: using DSCP of inner IPv4 packets

From: Jakub Kicinski
Date: Mon Aug 03 2020 - 15:48:22 EST

On Mon, 3 Aug 2020 18:14:17 +0000 Ahmed Abdelsalam wrote:
> This patch allows copying the DSCP from inner IPv4 header to the
> outer IPv6 header, when doing SRv6 Encapsulation.
> This allows forwarding packet across the SRv6 fabric based on their
> original traffic class.
> Signed-off-by: Ahmed Abdelsalam <ahabdels@xxxxxxxxx>

Please make sure it builds cleanly with W=1 C=1:

net/ipv6/seg6_iptunnel.c:131:21: warning: incorrect type in assignment (different base types)
net/ipv6/seg6_iptunnel.c:131:21: expected restricted __be32 [usertype] tos
net/ipv6/seg6_iptunnel.c:131:21: got unsigned char
net/ipv6/seg6_iptunnel.c:133:21: warning: incorrect type in assignment (different base types)
net/ipv6/seg6_iptunnel.c:133:21: expected restricted __be32 [usertype] tos
net/ipv6/seg6_iptunnel.c:133:21: got unsigned char [usertype] tos
net/ipv6/seg6_iptunnel.c:144:27: warning: incorrect type in argument 2 (different base types)
net/ipv6/seg6_iptunnel.c:144:27: expected unsigned int tclass
net/ipv6/seg6_iptunnel.c:144:27: got restricted __be32 [usertype] tos