From: Hannes Frederic Sowa <hannes@stressinduktion.org>
To: Alexander Duyck <aduyck@mirantis.com>,
netdev@vger.kernel.org, intel-wired-lan@lists.osuosl.org
Cc: jesse@kernel.org, eugenia@mellanox.com, jbenc@redhat.com,
alexander.duyck@gmail.com, saeedm@mellanox.com,
ariel.elior@qlogic.com, tom@herbertland.com,
michael.chan@broadcom.com, Dept-GELinuxNICDev@qlogic.com,
davem@davemloft.net
Subject: Re: [net-next PATCH v3 17/17] vxlan: Add new UDP encapsulation offload type for VXLAN-GPE
Date: Fri, 17 Jun 2016 01:01:38 +0200 [thread overview]
Message-ID: <cd97e62f-9513-99c6-3f47-d849b268ef17@stressinduktion.org> (raw)
In-Reply-To: <20160616192318.20872.40266.stgit@localhost.localdomain>
On 16.06.2016 21:23, Alexander Duyck wrote:
> The fact is VXLAN with Generic Protocol Extensions cannot be supported by
> the same hardware parsers that support VXLAN. The protocol extensions
> allow for things like a Next Protocol field which in turn allows for things
> other than Ethernet to be passed over the tunnel. Most existing parsers
> will not know how to interpret this.
>
> To resolve this I am giving VXLAN-GPE its own UDP encapsulation offload
> type. This way hardware that does support GPE can simply add this type to
> the switch statement for VXLAN, and if they don't support it then this will
> fix any issues where headers might be interpreted incorrectly.
>
> Signed-off-by: Alexander Duyck <aduyck@mirantis.com>
Acked-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
WARNING: multiple messages have this Message-ID (diff)
From: Hannes Frederic Sowa <hannes@stressinduktion.org>
To: intel-wired-lan@osuosl.org
Subject: [Intel-wired-lan] [net-next PATCH v3 17/17] vxlan: Add new UDP encapsulation offload type for VXLAN-GPE
Date: Fri, 17 Jun 2016 01:01:38 +0200 [thread overview]
Message-ID: <cd97e62f-9513-99c6-3f47-d849b268ef17@stressinduktion.org> (raw)
In-Reply-To: <20160616192318.20872.40266.stgit@localhost.localdomain>
On 16.06.2016 21:23, Alexander Duyck wrote:
> The fact is VXLAN with Generic Protocol Extensions cannot be supported by
> the same hardware parsers that support VXLAN. The protocol extensions
> allow for things like a Next Protocol field which in turn allows for things
> other than Ethernet to be passed over the tunnel. Most existing parsers
> will not know how to interpret this.
>
> To resolve this I am giving VXLAN-GPE its own UDP encapsulation offload
> type. This way hardware that does support GPE can simply add this type to
> the switch statement for VXLAN, and if they don't support it then this will
> fix any issues where headers might be interpreted incorrectly.
>
> Signed-off-by: Alexander Duyck <aduyck@mirantis.com>
Acked-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
next prev parent reply other threads:[~2016-06-16 23:01 UTC|newest]
Thread overview: 82+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-06-16 19:20 [net-next PATCH v3 00/17] Future-proof tunnel offload handlers Alexander Duyck
2016-06-16 19:20 ` [Intel-wired-lan] " Alexander Duyck
2016-06-16 19:20 ` [net-next PATCH v3 01/17] vxlan/geneve: Include udp_tunnel.h in vxlan/geneve.h and fixup includes Alexander Duyck
2016-06-16 19:20 ` [Intel-wired-lan] " Alexander Duyck
2016-06-16 23:06 ` Hannes Frederic Sowa
2016-06-16 23:06 ` [Intel-wired-lan] " Hannes Frederic Sowa
2016-06-16 19:20 ` [net-next PATCH v3 02/17] net: Combine GENEVE and VXLAN port notifiers into single functions Alexander Duyck
2016-06-16 19:20 ` [Intel-wired-lan] " Alexander Duyck
2016-06-16 22:45 ` Hannes Frederic Sowa
2016-06-16 22:45 ` [Intel-wired-lan] " Hannes Frederic Sowa
2016-06-16 19:21 ` [net-next PATCH v3 03/17] net: Merge VXLAN and GENEVE push notifiers into a single notifier Alexander Duyck
2016-06-16 19:21 ` [Intel-wired-lan] " Alexander Duyck
2016-06-16 22:47 ` Hannes Frederic Sowa
2016-06-16 22:47 ` [Intel-wired-lan] " Hannes Frederic Sowa
2016-06-16 19:21 ` [net-next PATCH v3 04/17] bnx2x: Move all UDP port notifiers to single function Alexander Duyck
2016-06-16 19:21 ` [Intel-wired-lan] " Alexander Duyck
2016-06-16 19:21 ` [net-next PATCH v3 05/17] bnxt: Update drivers to support unified UDP encapsulation offload functions Alexander Duyck
2016-06-16 19:21 ` [Intel-wired-lan] " Alexander Duyck
2016-06-16 19:21 ` [net-next PATCH v3 06/17] bnxt: Move GENEVE support from hard-coded port to using port notifier Alexander Duyck
2016-06-16 19:21 ` [Intel-wired-lan] " Alexander Duyck
2016-06-16 23:12 ` Michael Chan
2016-06-16 23:12 ` [Intel-wired-lan] " Michael Chan
2016-06-16 19:21 ` [net-next PATCH v3 07/17] benet: Replace ndo_add/del_vxlan_port with ndo_add/del_udp_enc_port Alexander Duyck
2016-06-16 19:21 ` [Intel-wired-lan] " Alexander Duyck
2016-06-16 19:21 ` [net-next PATCH v3 08/17] fm10k: " Alexander Duyck
2016-06-16 19:21 ` [Intel-wired-lan] " Alexander Duyck
2016-06-16 19:22 ` [net-next PATCH v3 09/17] i40e: Move all UDP port notifiers to single function Alexander Duyck
2016-06-16 19:22 ` [Intel-wired-lan] " Alexander Duyck
2016-06-16 19:22 ` [net-next PATCH v3 10/17] ixgbe: Replace ndo_add/del_vxlan_port with ndo_add/del_udp_enc_port Alexander Duyck
2016-06-16 19:22 ` [Intel-wired-lan] " Alexander Duyck
2016-06-16 19:22 ` [net-next PATCH v3 11/17] mlx4_en: " Alexander Duyck
2016-06-16 19:22 ` [Intel-wired-lan] " Alexander Duyck
2016-06-16 19:22 ` [net-next PATCH v3 12/17] mlx5_en: " Alexander Duyck
2016-06-16 19:22 ` [Intel-wired-lan] " Alexander Duyck
2016-06-16 19:22 ` [net-next PATCH v3 13/17] nfp: " Alexander Duyck
2016-06-16 19:22 ` [Intel-wired-lan] " Alexander Duyck
2016-06-16 19:22 ` [net-next PATCH v3 14/17] qede: Move all UDP port notifiers to single function Alexander Duyck
2016-06-16 19:22 ` [Intel-wired-lan] " Alexander Duyck
2016-06-16 19:23 ` [net-next PATCH v3 15/17] qlcnic: Replace ndo_add/del_vxlan_port with ndo_add/del_udp_enc_port Alexander Duyck
2016-06-16 19:23 ` [Intel-wired-lan] " Alexander Duyck
2016-06-16 19:23 ` [net-next PATCH v3 16/17] net: Remove deprecated tunnel specific UDP offload functions Alexander Duyck
2016-06-16 19:23 ` [Intel-wired-lan] " Alexander Duyck
2016-06-16 22:59 ` Hannes Frederic Sowa
2016-06-16 22:59 ` [Intel-wired-lan] " Hannes Frederic Sowa
2016-06-16 19:23 ` [net-next PATCH v3 17/17] vxlan: Add new UDP encapsulation offload type for VXLAN-GPE Alexander Duyck
2016-06-16 19:23 ` [Intel-wired-lan] " Alexander Duyck
2016-06-16 23:01 ` Hannes Frederic Sowa [this message]
2016-06-16 23:01 ` Hannes Frederic Sowa
2016-06-18 3:26 ` [net-next PATCH v3 00/17] Future-proof tunnel offload handlers David Miller
2016-06-18 3:26 ` [Intel-wired-lan] " David Miller
2016-06-20 17:05 ` Tom Herbert
2016-06-20 17:05 ` [Intel-wired-lan] " Tom Herbert
2016-06-20 18:11 ` Hannes Frederic Sowa
2016-06-20 18:11 ` [Intel-wired-lan] " Hannes Frederic Sowa
2016-06-20 19:27 ` Tom Herbert
2016-06-20 19:27 ` [Intel-wired-lan] " Tom Herbert
2016-06-20 21:36 ` Hannes Frederic Sowa
2016-06-20 21:36 ` [Intel-wired-lan] " Hannes Frederic Sowa
2016-06-20 21:45 ` Tom Herbert
2016-06-20 21:45 ` [Intel-wired-lan] " Tom Herbert
2016-06-21 8:34 ` David Miller
2016-06-21 8:34 ` [Intel-wired-lan] " David Miller
2016-06-21 8:22 ` David Miller
2016-06-21 8:22 ` [Intel-wired-lan] " David Miller
2016-06-21 10:41 ` Edward Cree
2016-06-21 10:41 ` [Intel-wired-lan] " Edward Cree
2016-06-21 15:23 ` Hannes Frederic Sowa
2016-06-21 15:23 ` [Intel-wired-lan] " Hannes Frederic Sowa
2016-06-21 17:05 ` Alexander Duyck
2016-06-21 17:05 ` [Intel-wired-lan] " Alexander Duyck
2016-06-21 17:27 ` Edward Cree
2016-06-21 17:27 ` [Intel-wired-lan] " Edward Cree
2016-06-21 17:40 ` Hannes Frederic Sowa
2016-06-21 17:40 ` [Intel-wired-lan] " Hannes Frederic Sowa
2016-06-21 18:17 ` Alexander Duyck
2016-06-21 18:17 ` [Intel-wired-lan] " Alexander Duyck
2016-06-21 18:42 ` Tom Herbert
2016-06-21 18:42 ` [Intel-wired-lan] " Tom Herbert
2016-06-21 21:34 ` Hannes Frederic Sowa
2016-06-21 21:34 ` [Intel-wired-lan] " Hannes Frederic Sowa
2016-06-21 18:23 ` Edward Cree
2016-06-21 18:23 ` [Intel-wired-lan] " Edward Cree
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