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From: Florian Westphal <fw@strlen.de>
To: Eyal Birger <eyal.birger@gmail.com>
Cc: davem@davemloft.net, willemb@google.com, edumazet@google.com,
	shmulik.ladkani@gmail.com, netdev@vger.kernel.org
Subject: Re: [PATCH net-next v4 0/2] net: Introducing socket mark receive socket option
Date: Mon, 2 Mar 2015 14:29:25 +0100	[thread overview]
Message-ID: <20150302132925.GB7418@breakpoint.cc> (raw)
In-Reply-To: <1425302043-669-1-git-send-email-eyal.birger@gmail.com>

Eyal Birger <eyal.birger@gmail.com> wrote:
> This patch set introduces a new socket option for fetching the mark
> of skbs passed to sockets as ancillary data.
> 
> A userspace program may wish to receive the mark of packets it
> receives, for example for distinguishing between different TPROXY
> diversion rules to the same userspace proxy socket.

Hmm... Whats the use case?
Even if you cannot use multiple sockets for every divert rule,
TPROXY doesn't mangle payload; applications could use sockaddrs
returned by accept, getpeername, getsockname etc.  to figure out
which original port/address the packet was sent to?

  parent reply	other threads:[~2015-03-02 13:29 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-03-02 13:14 [PATCH net-next v4 0/2] net: Introducing socket mark receive socket option Eyal Birger
2015-03-02 13:14 ` [PATCH net-next v4 1/2] net: Rename sock_recv_ts_and_drops() to sock_cmsg_recv() Eyal Birger
2015-03-02 13:14 ` [PATCH net-next v4 2/2] net: Introducing socket mark receive socket option Eyal Birger
2015-03-02 13:29 ` Florian Westphal [this message]
2015-03-02 13:48   ` [PATCH net-next v4 0/2] " Eyal Birger
2015-03-02 14:36     ` Florian Westphal
2015-03-02 18:34       ` Eyal Birger
2015-03-02 18:55         ` Florian Westphal
2015-03-02 20:05       ` David Miller
2015-03-02 20:38         ` Eyal Birger
2015-03-02 20:57           ` David Miller
2015-03-02 21:11             ` Eyal Birger
2015-03-02 21:45               ` David Miller
2015-03-03  3:45                 ` Eyal Birger
2015-03-03  4:01                   ` David Miller
2015-03-02 20:01 ` David Miller

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