From: David Ahern <dsa@cumulusnetworks•com>
To: Tom Herbert <tom@herbertland•com>
Cc: Linux Kernel Network Developers <netdev@vger•kernel.org>,
Shrijeet Mukherjee <shm@cumulusnetworks•com>
Subject: Re: [PATCH net-next] net: Remove VRF change to udp_sendmsg
Date: Mon, 31 Aug 2015 11:05:33 -0600 [thread overview]
Message-ID: <55E4895D.2060202@cumulusnetworks.com> (raw)
In-Reply-To: <CALx6S379ZrcKdapJ0yRwzyW-ACY=45DcJnUNJ6mRZPjJAie1VA@mail.gmail.com>
On 8/31/15 11:02 AM, Tom Herbert wrote:
> On Mon, Aug 31, 2015 at 9:29 AM, David Ahern <dsa@cumulusnetworks•com> wrote:
>> Remove the VRF change in udp_sendmsg to set the source address. The VRF
>> driver already has access to the packet on the TX path via the dst. It
>> can be used to update the source address in the header.
>>
>
> I don't understand this. The previous code was about selecting a
> source address for packets being sourced ed on a socket, but this new
> patch seems to essentially be doing SNAT in the VRF transmit path
> which seems like a fundamentally different behavior. Is this really
> your intention?
>
The original code and this new code are only controlling FIB lookups
which in turn set the source address. Functionally both versions do the
same thing.
David
next prev parent reply other threads:[~2015-08-31 17:05 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-08-31 16:29 [PATCH net-next] net: Remove VRF change to udp_sendmsg David Ahern
2015-08-31 17:02 ` Tom Herbert
2015-08-31 17:05 ` David Ahern [this message]
2015-08-31 17:22 ` Tom Herbert
2015-08-31 17:40 ` David Ahern
2015-08-31 17:58 ` Tom Herbert
2015-08-31 17:49 ` David Ahern
2015-08-31 19:44 ` David Miller
2015-08-31 20:44 ` David Ahern
2015-09-08 20:28 ` David Miller
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