From: Boris Pismenny <borispismenny@gmail.com>
To: David Ahern <dsahern@gmail.com>,
Boris Pismenny <borisp@mellanox.com>,
kuba@kernel.org, davem@davemloft.net, saeedm@nvidia.com,
hch@lst.de, sagi@grimberg.me, axboe@fb.com, kbusch@kernel.org,
viro@zeniv.linux.org.uk, edumazet@google.com
Cc: Yoray Zack <yorayz@mellanox.com>,
yorayz@nvidia.com, boris.pismenny@gmail.com,
Ben Ben-Ishay <benishay@mellanox.com>,
benishay@nvidia.com, linux-nvme@lists.infradead.org,
netdev@vger.kernel.org, Or Gerlitz <ogerlitz@mellanox.com>,
ogerlitz@nvidia.com
Subject: Re: [PATCH v1 net-next 02/15] net: Introduce direct data placement tcp offload
Date: Wed, 9 Dec 2020 10:28:18 +0200 [thread overview]
Message-ID: <cda4323c-b7e7-05a5-e8d4-5a5b91aef784@gmail.com> (raw)
In-Reply-To: <474d1275-9506-99d3-4f0d-86b482953eee@gmail.com>
On 09/12/2020 3:11, David Ahern wrote:
> On 12/8/20 5:57 PM, David Ahern wrote:
>>> diff --git a/include/net/inet_connection_sock.h b/include/net/inet_connection_sock.h
>>> index 7338b3865a2a..a08b85b53aa8 100644
>>> --- a/include/net/inet_connection_sock.h
>>> +++ b/include/net/inet_connection_sock.h
>>> @@ -66,6 +66,8 @@ struct inet_connection_sock_af_ops {
>>> * @icsk_ulp_ops Pluggable ULP control hook
>>> * @icsk_ulp_data ULP private data
>>> * @icsk_clean_acked Clean acked data hook
>>> + * @icsk_ulp_ddp_ops Pluggable ULP direct data placement control hook
>>> + * @icsk_ulp_ddp_data ULP direct data placement private data
>>
>> Neither of these socket layer intrusions are needed. All references but
>> 1 -- the skbuff check -- are in the mlx5 driver. Any skb check that is
>> needed can be handled with a different setting.
>
> missed the nvme ops for the driver to callback to the socket owner.
>
Hopefully it is clear that these are needed, and indeed we use them in
both driver and nvme-tcp layers.
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WARNING: multiple messages have this Message-ID (diff)
From: Boris Pismenny <borispismenny@gmail.com>
To: David Ahern <dsahern@gmail.com>,
Boris Pismenny <borisp@mellanox.com>,
kuba@kernel.org, davem@davemloft.net, saeedm@nvidia.com,
hch@lst.de, sagi@grimberg.me, axboe@fb.com, kbusch@kernel.org,
viro@zeniv.linux.org.uk, edumazet@google.com
Cc: boris.pismenny@gmail.com, linux-nvme@lists.infradead.org,
netdev@vger.kernel.org, benishay@nvidia.com, ogerlitz@nvidia.com,
yorayz@nvidia.com, Ben Ben-Ishay <benishay@mellanox.com>,
Or Gerlitz <ogerlitz@mellanox.com>,
Yoray Zack <yorayz@mellanox.com>
Subject: Re: [PATCH v1 net-next 02/15] net: Introduce direct data placement tcp offload
Date: Wed, 9 Dec 2020 10:28:18 +0200 [thread overview]
Message-ID: <cda4323c-b7e7-05a5-e8d4-5a5b91aef784@gmail.com> (raw)
In-Reply-To: <474d1275-9506-99d3-4f0d-86b482953eee@gmail.com>
On 09/12/2020 3:11, David Ahern wrote:
> On 12/8/20 5:57 PM, David Ahern wrote:
>>> diff --git a/include/net/inet_connection_sock.h b/include/net/inet_connection_sock.h
>>> index 7338b3865a2a..a08b85b53aa8 100644
>>> --- a/include/net/inet_connection_sock.h
>>> +++ b/include/net/inet_connection_sock.h
>>> @@ -66,6 +66,8 @@ struct inet_connection_sock_af_ops {
>>> * @icsk_ulp_ops Pluggable ULP control hook
>>> * @icsk_ulp_data ULP private data
>>> * @icsk_clean_acked Clean acked data hook
>>> + * @icsk_ulp_ddp_ops Pluggable ULP direct data placement control hook
>>> + * @icsk_ulp_ddp_data ULP direct data placement private data
>>
>> Neither of these socket layer intrusions are needed. All references but
>> 1 -- the skbuff check -- are in the mlx5 driver. Any skb check that is
>> needed can be handled with a different setting.
>
> missed the nvme ops for the driver to callback to the socket owner.
>
Hopefully it is clear that these are needed, and indeed we use them in
both driver and nvme-tcp layers.
next prev parent reply other threads:[~2020-12-09 8:28 UTC|newest]
Thread overview: 106+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-12-07 21:06 [PATCH v1 net-next 00/15] nvme-tcp receive offloads Boris Pismenny
2020-12-07 21:06 ` Boris Pismenny
2020-12-07 21:06 ` [PATCH v1 net-next 01/15] iov_iter: Skip copy in memcpy_to_page if src==dst Boris Pismenny
2020-12-07 21:06 ` Boris Pismenny
2020-12-08 0:39 ` David Ahern
2020-12-08 0:39 ` David Ahern
2020-12-08 14:30 ` Boris Pismenny
2020-12-08 14:30 ` Boris Pismenny
2020-12-07 21:06 ` [PATCH v1 net-next 02/15] net: Introduce direct data placement tcp offload Boris Pismenny
2020-12-07 21:06 ` Boris Pismenny
2020-12-08 0:42 ` David Ahern
2020-12-08 0:42 ` David Ahern
2020-12-08 14:36 ` Boris Pismenny
2020-12-08 14:36 ` Boris Pismenny
2020-12-09 0:38 ` David Ahern
2020-12-09 0:38 ` David Ahern
2020-12-09 8:15 ` Boris Pismenny
2020-12-09 8:15 ` Boris Pismenny
2020-12-10 4:26 ` David Ahern
2020-12-10 4:26 ` David Ahern
2020-12-11 2:01 ` Jakub Kicinski
2020-12-11 2:01 ` Jakub Kicinski
2020-12-11 2:43 ` David Ahern
2020-12-11 2:43 ` David Ahern
2020-12-11 18:45 ` Jakub Kicinski
2020-12-11 18:45 ` Jakub Kicinski
2020-12-11 18:58 ` Eric Dumazet
2020-12-11 18:58 ` Eric Dumazet
2020-12-11 19:59 ` David Ahern
2020-12-11 19:59 ` David Ahern
2020-12-11 23:05 ` Jonathan Lemon
2020-12-11 23:05 ` Jonathan Lemon
2020-12-13 18:34 ` Boris Pismenny
2020-12-13 18:34 ` Boris Pismenny
2020-12-13 18:21 ` Boris Pismenny
2020-12-13 18:21 ` Boris Pismenny
2020-12-15 5:19 ` David Ahern
2020-12-15 5:19 ` David Ahern
2020-12-17 19:06 ` Boris Pismenny
2020-12-17 19:06 ` Boris Pismenny
2020-12-18 0:44 ` David Ahern
2020-12-18 0:44 ` David Ahern
2020-12-09 0:57 ` David Ahern
2020-12-09 0:57 ` David Ahern
2020-12-09 1:11 ` David Ahern
2020-12-09 1:11 ` David Ahern
2020-12-09 8:28 ` Boris Pismenny [this message]
2020-12-09 8:28 ` Boris Pismenny
2020-12-09 8:25 ` Boris Pismenny
2020-12-09 8:25 ` Boris Pismenny
2020-12-07 21:06 ` [PATCH v1 net-next 03/15] net: Introduce crc offload for tcp ddp ulp Boris Pismenny
2020-12-07 21:06 ` Boris Pismenny
2020-12-07 21:06 ` [PATCH v1 net-next 04/15] net/tls: expose get_netdev_for_sock Boris Pismenny
2020-12-07 21:06 ` Boris Pismenny
2020-12-09 1:06 ` David Ahern
2020-12-09 1:06 ` David Ahern
2020-12-09 7:41 ` Boris Pismenny
2020-12-09 7:41 ` Boris Pismenny
2020-12-10 3:39 ` David Ahern
2020-12-10 3:39 ` David Ahern
2020-12-11 18:43 ` Boris Pismenny
2020-12-11 18:43 ` Boris Pismenny
2020-12-07 21:06 ` [PATCH v1 net-next 05/15] nvme-tcp: Add DDP offload control path Boris Pismenny
2020-12-07 21:06 ` Boris Pismenny
2020-12-10 17:15 ` Shai Malin
2020-12-10 17:15 ` Shai Malin
2020-12-14 6:38 ` Boris Pismenny
2020-12-14 6:38 ` Boris Pismenny
2020-12-15 13:33 ` Shai Malin
2020-12-15 13:33 ` Shai Malin
2020-12-17 18:51 ` Boris Pismenny
2020-12-17 18:51 ` Boris Pismenny
2020-12-07 21:06 ` [PATCH v1 net-next 06/15] nvme-tcp: Add DDP data-path Boris Pismenny
2020-12-07 21:06 ` Boris Pismenny
2020-12-07 21:06 ` [PATCH v1 net-next 07/15] nvme-tcp : Recalculate crc in the end of the capsule Boris Pismenny
2020-12-07 21:06 ` Boris Pismenny
2020-12-15 14:07 ` Shai Malin
2020-12-15 14:07 ` Shai Malin
2020-12-07 21:06 ` [PATCH v1 net-next 08/15] nvme-tcp: Deal with netdevice DOWN events Boris Pismenny
2020-12-07 21:06 ` Boris Pismenny
2020-12-07 21:06 ` [PATCH v1 net-next 09/15] net/mlx5: Header file changes for nvme-tcp offload Boris Pismenny
2020-12-07 21:06 ` Boris Pismenny
2020-12-07 21:06 ` [PATCH v1 net-next 10/15] net/mlx5: Add 128B CQE for NVMEoTCP offload Boris Pismenny
2020-12-07 21:06 ` Boris Pismenny
2020-12-07 21:06 ` [PATCH v1 net-next 11/15] net/mlx5e: TCP flow steering for nvme-tcp Boris Pismenny
2020-12-07 21:06 ` Boris Pismenny
2020-12-07 21:06 ` [PATCH v1 net-next 12/15] net/mlx5e: NVMEoTCP DDP offload control path Boris Pismenny
2020-12-07 21:06 ` Boris Pismenny
2020-12-07 21:06 ` [PATCH v1 net-next 13/15] net/mlx5e: NVMEoTCP, data-path for DDP offload Boris Pismenny
2020-12-07 21:06 ` Boris Pismenny
2020-12-18 0:57 ` David Ahern
2020-12-18 0:57 ` David Ahern
2020-12-07 21:06 ` [PATCH v1 net-next 14/15] net/mlx5e: NVMEoTCP statistics Boris Pismenny
2020-12-07 21:06 ` Boris Pismenny
2020-12-07 21:06 ` [PATCH v1 net-next 15/15] net/mlx5e: NVMEoTCP workaround CRC after resync Boris Pismenny
2020-12-07 21:06 ` Boris Pismenny
2021-01-14 1:27 ` [PATCH v1 net-next 00/15] nvme-tcp receive offloads Sagi Grimberg
2021-01-14 1:27 ` Sagi Grimberg
2021-01-14 4:47 ` David Ahern
2021-01-14 4:47 ` David Ahern
2021-01-14 19:21 ` Boris Pismenny
2021-01-14 19:21 ` Boris Pismenny
2021-01-14 19:17 ` Boris Pismenny
2021-01-14 19:17 ` Boris Pismenny
2021-01-14 21:07 ` Sagi Grimberg
2021-01-14 21:07 ` Sagi Grimberg
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