netdev - [PATCH v3 bpf-next 0/2] bpf tcp save syn set/get sockoptions

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Message-Id: <20180830145154.1128593-1-tehnerd@fb.com>
Date:   Thu, 30 Aug 2018 07:51:52 -0700
From:   "Nikita V. Shirokov" <tehnerd@...com>
To:     ast@...nel.org, brakmo@...com, daniel@...earbox.net
Cc:     netdev@...r.kernel.org, "Nikita V. Shirokov" <tehnerd@...com>
Subject: [PATCH v3 bpf-next 0/2] bpf tcp save syn set/get sockoptions

adding supprot for two new bpf's tcp sockopts:
TCP_SAVE_SYN (set) and TCP_SAVED_SYN (get)
this would allow for tcp-bpf program to build some logic based on fields from
ingress syn packet (e.g. doing tcp's tos/tclass reflection (see sample prog))
and do it transparently from userspace program point of view

v2->v3:
 - make patch series public
v1->v2:
 - adding proper SPDX license

Nikita V. Shirokov (2):
  new options for bpf_(set|get)sockopt
  new sample bpf prog

 net/core/filter.c                  | 25 +++++++--
 samples/bpf/Makefile               |  1 +
 samples/bpf/tcp_tos_reflect_kern.c | 87 ++++++++++++++++++++++++++++++
 3 files changed, 109 insertions(+), 4 deletions(-)
 create mode 100644 samples/bpf/tcp_tos_reflect_kern.c

-- 
2.17.1