netdev - [RFC nf-next 0/2] netfilter: bpf: support prog update

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Message-Id: <1702467945-38866-1-git-send-email-alibuda@linux.alibaba.com>
Date: Wed, 13 Dec 2023 19:45:43 +0800
From: "D. Wythe" <alibuda@...ux.alibaba.com>
To: pablo@...filter.org,
	kadlec@...filter.org,
	fw@...len.de
Cc: bpf@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	netdev@...r.kernel.org,
	coreteam@...filter.org,
	netfilter-devel@...r.kernel.org,
	davem@...emloft.net,
	edumazet@...gle.com,
	kuba@...nel.org,
	pabeni@...hat.com,
	ast@...nel.org,
	"D. Wythe" <alibuda@...ux.alibaba.com>
Subject: [RFC nf-next 0/2] netfilter: bpf: support prog update

From: "D. Wythe" <alibuda@...ux.alibaba.com>

This patches attempt to support updating of progs with
bpf netfilter link, introducing a new RCU-protected context
to access the prog, and adding a corresponding test case.

D. Wythe (2):
  netfilter: bpf: support prog update
  selftests/bpf: Add netfilter link prog update test

 net/netfilter/nf_bpf_link.c                        | 124 ++++++++++++++++++---
 .../bpf/prog_tests/netfilter_link_update_prog.c    |  83 ++++++++++++++
 .../bpf/progs/test_netfilter_link_update_prog.c    |  24 ++++
 3 files changed, 218 insertions(+), 13 deletions(-)
 create mode 100644 tools/testing/selftests/bpf/prog_tests/netfilter_link_update_prog.c
 create mode 100644 tools/testing/selftests/bpf/progs/test_netfilter_link_update_prog.c

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