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From: Or Gerlitz <or.gerlitz@gmail.com>
To: Tom Herbert <therbert@google.com>
Cc: Or Gerlitz <ogerlitz@mellanox.com>,
	David Miller <davem@davemloft.net>,
	Linux Netdev List <netdev@vger.kernel.org>,
	Jerry Chu <hkchu@google.com>, Eric Dumazet <edumazet@google.com>,
	Herbert Xu <herbert@gondor.apana.org.au>,
	Yan Burman <yanb@mellanox.com>,
	Shlomo Pongratz <shlomop@mellanox.com>
Subject: Re: [PATCH net-next V4 3/3] net: Add GRO support for vxlan traffic
Date: Mon, 20 Jan 2014 13:40:38 +0200	[thread overview]
Message-ID: <CAJZOPZLzuCzcUmoc4ThM==rRAYywbdhECF72LAG_RPpq2WbOyw@mail.gmail.com> (raw)
In-Reply-To: <CAJZOPZJP7NGdQnHs1tVXny19w4mstEaEBi5WEvktZ4MumCfy0w@mail.gmail.com>

On Tue, Jan 14, 2014 at 11:47 PM, Or Gerlitz <or.gerlitz@gmail.com> wrote:
> On Tue, Jan 14, 2014 at 7:59 PM, Tom Herbert <therbert@google.com> wrote:
>> On Tue, Jan 14, 2014 at 8:00 AM, Or Gerlitz <ogerlitz@mellanox.com> wrote:
>> > Add GRO handlers for vxlann, by using the UDP GRO infrastructure.
>
> [...]
>>
>> >  /* Notify netdevs that UDP port started listening */
>> > -static void vxlan_notify_add_rx_port(struct sock *sk)
>> > +static void vxlan_notify_add_rx_port(struct vxlan_sock *vs)
>> >  {
>> >         struct net_device *dev;
>> > +       struct sock *sk = vs->sock->sk;
>> >         struct net *net = sock_net(sk);
>> >         sa_family_t sa_family = sk->sk_family;
>> >         __be16 port = inet_sk(sk)->inet_sport;
>> > +       int err;
>> > +
>> > +       if (sa_family == AF_INET) {
>
>> Is this necessary? What about support for AF_INET6?
>
> Point taken -- the UDP GRO code for both ipv4 and ipv6 would work the same.
>
> So we can export udp_gro_receive/complete from net/ipv4/udp_offload.c
> such that they can be referred from net/ipv6/udp_offload.c

Hi Tom,

Spinning heads on this little more, it seems that the extension to IPv6 is
pretty much doable but needs little more work.  I would prefer it to
be carried out
incrementally once the basic concept + IPv4 support, is merged.
So posting V5 now with the RCU directives set by Eric fixed.

Or.

  reply	other threads:[~2014-01-20 11:40 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-01-14 16:00 [PATCH net-next V3 0/3] net: Add GRO support for UDP encapsulating protocols Or Gerlitz
2014-01-14 16:00 ` [PATCH net-next V4 1/3] " Or Gerlitz
2014-01-14 17:51   ` Tom Herbert
2014-01-14 21:51     ` Or Gerlitz
2014-01-15  0:50       ` Eric Dumazet
2014-01-14 16:00 ` [PATCH net-next V4 2/3] net: Export gro_find_by_type helpers Or Gerlitz
2014-01-14 16:00 ` [PATCH net-next V4 3/3] net: Add GRO support for vxlan traffic Or Gerlitz
2014-01-14 17:59   ` Tom Herbert
2014-01-14 21:47     ` Or Gerlitz
2014-01-20 11:40       ` Or Gerlitz [this message]
2014-01-14 16:06 ` [PATCH net-next V3 0/3] net: Add GRO support for UDP encapsulating protocols Or Gerlitz

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