Re: [PATCH] ipvs:set sock send/receive buffer correctly

To: linmiaohe <linmiaohe@xxxxxxxxxx>, Eric Dumazet <eric.dumazet@xxxxxxxxx>, wensong@xxxxxxxxxxxx, horms@xxxxxxxxxxxx, ja@xxxxxx, pablo@xxxxxxxxxxxxx, kadlec@xxxxxxxxxxxxxxxxx, fw@xxxxxxxxx, davem@xxxxxxxxxxxxx, netdev@xxxxxxxxxxxxxxx, lvs-devel@xxxxxxxxxxxxxxx, netfilter-devel@xxxxxxxxxxxxxxx, coreteam@xxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx
Subject: Re: [PATCH] ipvs:set sock send/receive buffer correctly
Cc: Mingfangsen <mingfangsen@xxxxxxxxxx>, liujie165@xxxxxxxxxx
From: Eric Dumazet <eric.dumazet@xxxxxxxxx>
Date: Wed, 17 Apr 2019 19:02:11 -0700

On 04/17/2019 06:45 PM, linmiaohe wrote:

> In fact, I just implemented this function with reference to
> sock_setsockopt(). When val * 2 overflow, we will set the
> buffer as SOCK_MIN_SNDBUF, just as sock_setsockopt() do.

I do not think so.

Please check latest linux kernel, not some old version.

commit 4057765f2dee79cb92f9067909477303360be8d3    sock: consistent handling of 
extreme SO_SNDBUF/SO_RCVBUF values

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