From: David Miller <davem@davemloft.net>
To: edumazet@google.com
Cc: mathieu.desnoyers@efficios.com, torvalds@linux-foundation.org,
linux-kernel@vger.kernel.org, netdev@vger.kernel.org,
ycheng@google.com, joraj@efficios.com
Subject: Re: [regression] TCP_MD5SIG on established sockets
Date: Tue, 30 Jun 2020 13:44:29 -0700 (PDT) [thread overview]
Message-ID: <20200630.134429.1590957032456466647.davem@davemloft.net> (raw)
In-Reply-To: <CANn89iJ+rkMrLrHrKXO-57frXNb32epB93LYLRuHX00uWc-0Uw@mail.gmail.com>
From: Eric Dumazet <edumazet@google.com>
Date: Tue, 30 Jun 2020 13:39:27 -0700
> The (C) & (B) case are certainly doable.
>
> A) case is more complex, I have no idea of breakages of various TCP
> stacks if a flow got SACK
> at some point (in 3WHS) but suddenly becomes Reno.
I agree that C and B are the easiest to implement without having to
add complicated code to handle various negotiated TCP option
scenerios.
It does seem to be that some entities do A, or did I misread your
behavioral analysis of various implementations Mathieu?
Thanks.
next prev parent reply other threads:[~2020-06-30 20:44 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-13 19:38 [regression] TC_MD5SIG on established sockets Mathieu Desnoyers
2020-05-13 19:49 ` Eric Dumazet
2020-05-13 19:56 ` Eric Dumazet
2020-06-29 19:43 ` [regression] TCP_MD5SIG " Mathieu Desnoyers
2020-06-29 20:47 ` Eric Dumazet
2020-06-30 19:43 ` Linus Torvalds
2020-06-30 19:52 ` Linus Torvalds
2020-06-30 20:34 ` Mathieu Desnoyers
2020-06-30 20:39 ` Eric Dumazet
2020-06-30 20:44 ` David Miller [this message]
2020-06-30 20:56 ` Eric Dumazet
2020-06-30 21:17 ` Mathieu Desnoyers
2020-06-30 21:23 ` Eric Dumazet
2020-06-30 21:54 ` Eric Dumazet
2020-06-30 22:07 ` Eric Dumazet
2020-06-30 22:38 ` Eric Dumazet
2020-06-30 23:44 ` Mathieu Desnoyers
2020-07-01 0:01 ` Eric Dumazet
2020-07-01 2:02 ` Herbert Xu
2020-07-01 2:17 ` Eric Dumazet
2020-07-01 2:22 ` Herbert Xu
2020-07-01 2:30 ` Eric Dumazet
2020-07-01 2:39 ` Joe Perches
2020-07-01 2:58 ` Herbert Xu
2020-07-01 3:36 ` Eric Dumazet
2020-07-01 3:50 ` Herbert Xu
2020-07-01 12:19 ` Mathieu Desnoyers
2020-07-01 15:15 ` Eric Dumazet
2020-07-01 17:24 ` Eric Dumazet
2020-06-30 20:21 ` David Miller
2020-06-30 20:30 ` Eric Dumazet
2020-06-30 20:39 ` Mathieu Desnoyers
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