From: John Fastabend <john.fastabend@gmail.com>
To: Magnus Karlsson <magnus.karlsson@gmail.com>,
magnus.karlsson@intel.com, bjorn.topel@intel.com, ast@kernel.org,
daniel@iogearbox.net, netdev@vger.kernel.org,
jonathan.lemon@gmail.com
Cc: maciejromanfijalkowski@gmail.com,
intel-wired-lan@lists.osuosl.org, bpf@vger.kernel.org
Subject: RE: [Intel-wired-lan] [PATCH bpf-next 3/6] i40e: remove unnecessary sw_ring access from xsk Tx
Date: Mon, 09 Nov 2020 12:48:19 -0800 [thread overview]
Message-ID: <5fa9ab136176d_8c0e208cd@john-XPS-13-9370.notmuch> (raw)
In-Reply-To: <1604498942-24274-4-git-send-email-magnus.karlsson@gmail.com>
Magnus Karlsson wrote:
> From: Magnus Karlsson <magnus.karlsson@intel.com>
>
> Remove the unnecessary access to the software ring for the AF_XDP
> zero-copy driver. This was used to record the length of the packet so
> that the driver Tx completion code could sum this up to produce the
> total bytes sent. This is now performed during the transmission of the
> packet, so no need to record this in the software ring.
>
> Signed-off-by: Magnus Karlsson <magnus.karlsson@intel.com>
> ---
Acked-by: John Fastabend <john.fastabend@gmail.com
next prev parent reply other threads:[~2020-11-09 20:48 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-11-04 14:08 [PATCH bpf-next 0/6] xsk: i40e: Tx performance improvements Magnus Karlsson
2020-11-04 14:08 ` [PATCH bpf-next 1/6] i40e: introduce lazy Tx completions for AF_XDP zero-copy Magnus Karlsson
2020-11-04 23:33 ` Jakub Kicinski
2020-11-04 23:35 ` Jakub Kicinski
2020-11-05 14:17 ` Magnus Karlsson
2020-11-05 15:45 ` Jakub Kicinski
2020-11-06 19:09 ` Magnus Karlsson
2020-11-04 14:08 ` [PATCH bpf-next 2/6] samples/bpf: increment Tx stats at sending Magnus Karlsson
2020-11-09 20:47 ` [Intel-wired-lan] " John Fastabend
2020-11-10 7:12 ` Magnus Karlsson
2020-11-04 14:08 ` [PATCH bpf-next 3/6] i40e: remove unnecessary sw_ring access from xsk Tx Magnus Karlsson
2020-11-09 20:48 ` John Fastabend [this message]
2020-11-04 14:09 ` [PATCH bpf-next 4/6] xsk: introduce padding between more ring pointers Magnus Karlsson
2020-11-09 20:43 ` [Intel-wired-lan] " John Fastabend
2020-11-04 14:09 ` [PATCH bpf-next 5/6] xsk: introduce batched Tx descriptor interfaces Magnus Karlsson
2020-11-09 21:06 ` [Intel-wired-lan] " John Fastabend
2020-11-10 8:28 ` Magnus Karlsson
2020-11-04 14:09 ` [PATCH bpf-next 6/6] i40e: use batched xsk Tx interfaces to increase performance Magnus Karlsson
2020-11-04 23:01 ` Maciej Fijalkowski
2020-11-05 7:19 ` Magnus Karlsson
2020-11-09 21:10 ` [Intel-wired-lan] " John Fastabend
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