[PATCHv2 net-next 0/3] Add UDP tunnel support for ICMP errors in IPVS

[Julian Anastasov <ja@ssi.bg>]

This patchset is a followup to the commit that adds UDP/GUE tunnel:
"ipvs: allow tunneling with gue encapsulation".

What we do is to put tunnel real servers in hash table (patch 1),
add function to lookup tunnels (patch 2) and use it to strip the
embedded tunnel headers from ICMP errors (patch 3).

v1->v2:
patch 1: remove extra parentheses
patch 2: remove extra parentheses
patch 3: parse UDP header into ipvs_udp_decap
patch 3: v1 ignores forwarded ICMP errors for UDP, do not do that
patch 3: add comment for fragment check

Julian Anastasov (3):
  ipvs: allow rs_table to contain different real server types
  ipvs: add function to find tunnels
  ipvs: strip udp tunnel headers from icmp errors

 include/net/ip_vs.h             |  6 +++
 net/netfilter/ipvs/ip_vs_core.c | 68 +++++++++++++++++++++++++++++++
 net/netfilter/ipvs/ip_vs_ctl.c  | 72 +++++++++++++++++++++++++++++----
 3 files changed, 138 insertions(+), 8 deletions(-)

-- 
2.17.1