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ipvs: add checksum support for gue encapsulation

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Add checksum support for gue encapsulation with the tun_flags parameter,
which could be one of the values below:
IP_VS_TUNNEL_ENCAP_FLAG_NOCSUM
IP_VS_TUNNEL_ENCAP_FLAG_CSUM
IP_VS_TUNNEL_ENCAP_FLAG_REMCSUM

Signed-off-by: Jacky Hu <hengqing.hu@gmail.com>
Signed-off-by: Julian Anastasov <ja@ssi.bg>
Signed-off-by: Simon Horman <horms@verge.net.au>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
This commit is contained in:
Jacky Hu
2019-05-30 08:16:40 +08:00
committed by Pablo Neira Ayuso
parent 2cf6bffc49
commit 29930e314d
4 changed files with 146 additions and 17 deletions
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2
include/net/ip_vs.h
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@@ -603,6 +603,7 @@ struct ip_vs_dest_user_kern {
u16 tun_type; /* tunnel type */
__be16 tun_port; /* tunnel port */
u16 tun_flags; /* tunnel flags */
};
@@ -665,6 +666,7 @@ struct ip_vs_dest {
atomic_t last_weight; /* server latest weight */
__u16 tun_type; /* tunnel type */
__be16 tun_port; /* tunnel port */
__u16 tun_flags; /* tunnel flags */
refcount_t refcnt; /* reference counter */
struct ip_vs_stats stats; /* statistics */