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, kuba@kernel.org,
john.fastabend@gmail.com
Cc: bpf@vger.kernel.org, jeffrey.t.kirsher@intel.com,
anthony.l.nguyen@intel.com, maciej.fijalkowski@intel.com,
maciejromanfijalkowski@gmail.com,
intel-wired-lan@lists.osuosl.org
Subject: RE: [PATCH bpf-next v2 4/5] xsk: introduce batched Tx descriptor interfaces
Date: Wed, 11 Nov 2020 00:40:06 -0800 [thread overview]
Message-ID: <5faba36671508_bb26020850@john-XPS-13-9370.notmuch> (raw)
In-Reply-To: <1605006094-31097-5-git-send-email-magnus.karlsson@gmail.com>
Magnus Karlsson wrote:
> From: Magnus Karlsson <magnus.karlsson@intel.com>
>
> Introduce batched descriptor interfaces in the xsk core code for the
> Tx path to be used in the driver to write a code path with higher
> performance. This interface will be used by the i40e driver in the
> next patch. Though other drivers would likely benefit from this new
> interface too.
>
> Note that batching is only implemented for the common case when
> there is only one socket bound to the same device and queue id. When
> this is not the case, we fall back to the old non-batched version of
> the function.
>
> Signed-off-by: Magnus Karlsson <magnus.karlsson@intel.com>
> ---
Acked-by: John Fastabend <john.fastabend@gmail.com>
next prev parent reply other threads:[~2020-11-11 8:40 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-11-10 11:01 [PATCH bpf-next v2 0/5] xsk: i40e: Tx performance improvements Magnus Karlsson
2020-11-10 11:01 ` [PATCH bpf-next v2 1/5] samples/bpf: increment Tx stats at sending Magnus Karlsson
2020-11-10 11:01 ` [PATCH bpf-next v2 2/5] i40e: remove unnecessary sw_ring access from xsk Tx Magnus Karlsson
2020-11-10 11:01 ` [PATCH bpf-next v2 3/5] xsk: introduce padding between more ring pointers Magnus Karlsson
2020-11-10 11:01 ` [PATCH bpf-next v2 4/5] xsk: introduce batched Tx descriptor interfaces Magnus Karlsson
2020-11-11 8:40 ` John Fastabend [this message]
2020-11-10 11:01 ` [PATCH bpf-next v2 5/5] i40e: use batched xsk Tx interfaces to increase performance Magnus Karlsson
2020-11-11 1:37 ` kernel test robot
2020-11-11 11:57 ` Magnus Karlsson
2020-11-11 19:16 ` Nick Desaulniers
2020-11-12 7:45 ` Magnus Karlsson
2020-11-12 19:39 ` Nick Desaulniers
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