netdev - RE: [PATCH bpf-next v5 0/7] add BPF_F_PERMANENT flag for sockmap skmsg redirect

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Message-ID: <651b9904e54cc_4fa3f208c3@john.notmuch>
Date: Mon, 02 Oct 2023 21:31:00 -0700
From: John Fastabend <john.fastabend@...il.com>
To: Liu Jian <liujian56@...wei.com>, 
 john.fastabend@...il.com, 
 jakub@...udflare.com, 
 ast@...nel.org, 
 daniel@...earbox.net, 
 andrii@...nel.org, 
 martin.lau@...ux.dev, 
 song@...nel.org, 
 yonghong.song@...ux.dev, 
 kpsingh@...nel.org, 
 sdf@...gle.com, 
 haoluo@...gle.com, 
 jolsa@...nel.org, 
 davem@...emloft.net, 
 edumazet@...gle.com, 
 kuba@...nel.org, 
 pabeni@...hat.com, 
 dsahern@...nel.org
Cc: netdev@...r.kernel.org, 
 bpf@...r.kernel.org, 
 liujian56@...wei.com
Subject: RE: [PATCH bpf-next v5 0/7] add BPF_F_PERMANENT flag for sockmap
 skmsg redirect

Liu Jian wrote:
> v4->v5: Fix one refcount bug caused by patch1.
> v3->v4: Change the two helpers's description.
> 	Let BPF_F_PERMANENT takes precedence over apply/cork_bytes.
> 
> Liu Jian (7):
>   bpf, sockmap: add BPF_F_PERMANENT flag for skmsg redirect
>   selftests/bpf: Add txmsg permanently test for sockmap
>   selftests/bpf: Add txmsg redir permanently test for sockmap
>   selftests/bpf: add skmsg verdict tests
>   selftests/bpf: add two skmsg verdict tests for BPF_F_PERMANENT flag
>   selftests/bpf: add tests for verdict skmsg to itself
>   selftests/bpf: add tests for verdict skmsg to closed socket
> 
>  include/linux/skmsg.h                         |   1 +
>  include/uapi/linux/bpf.h                      |  45 +++++--
>  net/core/skmsg.c                              |   6 +-
>  net/core/sock_map.c                           |   4 +-
>  net/ipv4/tcp_bpf.c                            |  12 +-
>  tools/include/uapi/linux/bpf.h                |  45 +++++--
>  .../selftests/bpf/prog_tests/sockmap_basic.c  | 122 ++++++++++++++++++
>  .../selftests/bpf/progs/test_sockmap_kern.h   |   3 +-
>  .../bpf/progs/test_sockmap_msg_verdict.c      |  25 ++++
>  tools/testing/selftests/bpf/test_sockmap.c    |  41 +++++-
>  10 files changed, 272 insertions(+), 32 deletions(-)
>  create mode 100644 tools/testing/selftests/bpf/progs/test_sockmap_msg_verdict.c
> 
> -- 
> 2.34.1
> 

Thanks! Tests LGTM one question below on API being reset on errors.