netdev - Re: Load Balancing for AF

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Date:	Thu, 17 Dec 2015 14:38:23 +0530
From:	Prashant Upadhyaya <praupadhyaya@...il.com>
To:	netdev <netdev@...r.kernel.org>
Subject: Re: Load Balancing for AF_INET Raw Sockets

On Tue, Dec 15, 2015 at 6:26 PM, Prashant Upadhyaya
<praupadhyaya@...il.com> wrote:
> Hi,
>
> I open a raw socket for listening to all the UDP packets in a raw fashion --
>
> socket(AF_INET, SOCK_RAW, IPPROTO_UDP);
>
> Then I use recvfrom to read the packets over the socket.
>
> The above works mighty fine.
> I want to find out if it is possible to 'load balance' the UDP flows
> by opening up multiple instances of this socket and then possibly
> setting some socket options so that I can scale up the reading via
> multiple threads doing recvfrom on these from multiple cores.
> (I know it is possible over packet sockets, but that is a different usecase)
>
> Regards
> -Prashant

ah, the msg_name field in msghdr should do the trick for src address.
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