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ipvs: allow tunneling with gue encapsulation

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ipip packets are blocked in some public cloud environments, this patch
allows gue encapsulation with the tunneling method, which would make
tunneling working in those environments.

Signed-off-by: Jacky Hu <hengqing.hu@gmail.com>
Acked-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
2019-03-26 18:31:21 +08:00
committed by Pablo Neira Ayuso
parent 227e1e4d0d
commit 84c0d5e96f
4 changed files with 130 additions and 5 deletions
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11
include/uapi/linux/ip_vs.h
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@@ -124,6 +124,13 @@
#define IP_VS_PEDATA_MAXLEN 255
/* Tunnel types */
enum {
IP_VS_CONN_F_TUNNEL_TYPE_IPIP = 0, /* IPIP */
IP_VS_CONN_F_TUNNEL_TYPE_GUE, /* GUE */
IP_VS_CONN_F_TUNNEL_TYPE_MAX,
};
/*
* The struct ip_vs_service_user and struct ip_vs_dest_user are
* used to set IPVS rules through setsockopt.
@@ -392,6 +399,10 @@ enum {
IPVS_DEST_ATTR_STATS64, /* nested attribute for dest stats */
IPVS_DEST_ATTR_TUN_TYPE, /* tunnel type */
IPVS_DEST_ATTR_TUN_PORT, /* tunnel port */
__IPVS_DEST_ATTR_MAX,
};