netdev - [PATCH net v2 0/2] Fix PMTU for ESP-in-UDP encapsulation

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Message-Id: <20210716105417.7938-1-vfedorenko@novek.ru>
Date:   Fri, 16 Jul 2021 13:54:15 +0300
From:   Vadim Fedorenko <vfedorenko@...ek.ru>
To:     David Ahern <dsahern@...nel.org>,
        Willem de Bruijn <willemb@...gle.com>,
        Paolo Abeni <pabeni@...hat.com>,
        Xin Long <lucien.xin@...il.com>
Cc:     Jakub Kicinski <kuba@...nel.org>,
        "David S. Miller" <davem@...emloft.net>, netdev@...r.kernel.org,
        Hideaki YOSHIFUJI <yoshfuji@...ux-ipv6.org>,
        Marcelo Ricardo Leitner <marcelo.leitner@...il.com>,
        Vadim Fedorenko <vfedorenko@...ek.ru>
Subject: [PATCH net v2 0/2] Fix PMTU for ESP-in-UDP encapsulation

Bug 213669 uncovered regression in PMTU discovery for UDP-encapsulated
routes and some incorrect usage in udp tunnel fields. This series fixes
problems and also adds such case for selftests

v2:
 - remove refactor code that was in first patch
 - move checking logic to __udp{4,6}_lib_err_encap
 - add more tests, especially routed configuration

Vadim Fedorenko (2):
  udp: check encap socket in __udp_lib_err_encap
  selftests: net: add ESP-in-UDP PMTU test

 net/ipv4/udp.c                        |  23 ++-
 net/ipv6/udp.c                        |  23 ++-
 tools/testing/selftests/net/nettest.c |  55 ++++++-
 tools/testing/selftests/net/pmtu.sh   | 212 +++++++++++++++++++++++++-
 4 files changed, 294 insertions(+), 19 deletions(-)

-- 
2.18.4