linux-kernel - Re: [PATCH v7 bpf-next 01/11] net: Introduce net.ipv4.tcp_migrate

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Date:   Thu, 10 Jun 2021 19:24:14 +0200
From:   Eric Dumazet <eric.dumazet@...il.com>
To:     Kuniyuki Iwashima <kuniyu@...zon.co.jp>,
        "David S . Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Eric Dumazet <edumazet@...gle.com>,
        Alexei Starovoitov <ast@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>,
        Andrii Nakryiko <andrii@...nel.org>,
        Martin KaFai Lau <kafai@...com>
Cc:     Benjamin Herrenschmidt <benh@...zon.com>,
        Kuniyuki Iwashima <kuni1840@...il.com>, bpf@...r.kernel.org,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v7 bpf-next 01/11] net: Introduce
 net.ipv4.tcp_migrate_req.



On 5/21/21 8:20 PM, Kuniyuki Iwashima wrote:
> This commit adds a new sysctl option: net.ipv4.tcp_migrate_req. If this
> option is enabled or eBPF program is attached, we will be able to migrate
> child sockets from a listener to another in the same reuseport group after
> close() or shutdown() syscalls.
> 
> Signed-off-by: Kuniyuki Iwashima <kuniyu@...zon.co.jp>
> Reviewed-by: Benjamin Herrenschmidt <benh@...zon.com>
> Acked-by: Martin KaFai Lau <kafai@...com>
> ---
>  Documentation/networking/ip-sysctl.rst | 25 +++++++++++++++++++++++++
>  include/net/netns/ipv4.h               |  1 +
>  net/ipv4/sysctl_net_ipv4.c             |  9 +++++++++
>  3 files changed, 35 insertions(+)

Reviewed-by: Eric Dumazet <edumazet@...gle.com>