netdev - Re: [PATCH v4 net-next 0/5] Improve bind(addr, 0) behaviour.

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Message-Id: <20200309.201441.461523437582217903.davem@davemloft.net>
Date:   Mon, 09 Mar 2020 20:14:41 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     kuniyu@...zon.co.jp
Cc:     kuznet@....inr.ac.ru, yoshfuji@...ux-ipv6.org, edumazet@...gle.com,
        kuni1840@...il.com, netdev@...r.kernel.org,
        osa-contribution-log@...zon.com
Subject: Re: [PATCH v4 net-next 0/5] Improve bind(addr, 0) behaviour.

From: Kuniyuki Iwashima <kuniyu@...zon.co.jp>
Date: Mon, 9 Mar 2020 03:16:10 +0900

> Currently we fail to bind sockets to ephemeral ports when all of the ports
> are exhausted even if all sockets have SO_REUSEADDR enabled. In this case,
> we still have a chance to connect to the different remote hosts.
> 
> These patches add net.ipv4.ip_autobind_reuse option and fix the behaviour
> to fully utilize all space of the local (addr, port) tuples.
 ...

Eric, please review, thank you.