From: David Ahern <dsahern@gmail.com>
To: intel-wired-lan@osuosl.org
Subject: [Intel-wired-lan] [PATCH v2 bpf 1/5] net: ethtool: add xdp properties flag set
Date: Wed, 9 Dec 2020 08:44:33 -0700 [thread overview]
Message-ID: <6913010d-2fd6-6713-94e9-8f5b8ad4b708@gmail.com> (raw)
In-Reply-To: <20201209125223.49096d50@carbon>
On 12/9/20 4:52 AM, Jesper Dangaard Brouer wrote:
> But I have redesigned the ndo_xdp_xmit call to take a bulk of packets
> (up-to 16) so it should not be a problem to solve this by sharing
> TX-queue and talking a lock per 16 packets. I still recommend that,
> for fallback case, you allocated a number a TX-queue and distribute
> this across CPUs to avoid hitting a congested lock (above measurements
> are the optimal non-congested atomic lock operation)
I have been meaning to ask you why 16 for the XDP batching? If the
netdev budget is 64, why not something higher like 32 or 64?
next prev parent reply other threads:[~2020-12-09 15:44 UTC|newest]
Thread overview: 59+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-12-04 10:28 [Intel-wired-lan] [PATCH v2 bpf 0/5] New netdev feature flags for XDP alardam
2020-12-04 10:28 ` [Intel-wired-lan] [PATCH v2 bpf 1/5] net: ethtool: add xdp properties flag set alardam
2020-12-04 12:18 ` Toke =?unknown-8bit?q?H=C3=B8iland-J=C3=B8rgensen?=
2020-12-04 12:46 ` Maciej Fijalkowski
2020-12-04 15:21 ` Daniel Borkmann
2020-12-04 17:20 ` Toke =?unknown-8bit?q?H=C3=B8iland-J=C3=B8rgensen?=
2020-12-04 22:19 ` Daniel Borkmann
2020-12-07 11:54 ` Jesper Dangaard Brouer
2020-12-07 12:08 ` Toke =?unknown-8bit?q?H=C3=B8iland-J=C3=B8rgensen?=
2020-12-07 12:03 ` Toke =?unknown-8bit?q?H=C3=B8iland-J=C3=B8rgensen?=
2020-12-07 12:54 ` Jesper Dangaard Brouer
2020-12-07 20:52 ` John Fastabend
2020-12-07 22:38 ` Saeed Mahameed
2020-12-07 23:07 ` Maciej Fijalkowski
2020-12-09 6:03 ` John Fastabend
2020-12-09 9:54 ` Maciej Fijalkowski
2020-12-09 11:52 ` Jesper Dangaard Brouer
2020-12-09 15:41 ` David Ahern
2020-12-09 17:15 ` Saeed Mahameed
2020-12-10 3:34 ` David Ahern
2020-12-10 6:48 ` Saeed Mahameed
2020-12-10 15:30 ` David Ahern
2020-12-10 18:58 ` Saeed Mahameed
2021-01-05 11:56 ` Marek Majtyka
2021-02-01 16:16 ` Toke =?unknown-8bit?q?H=C3=B8iland-J=C3=B8rgensen?=
2021-02-02 11:26 ` Marek Majtyka
2021-02-02 12:05 ` Toke =?unknown-8bit?q?H=C3=B8iland-J=C3=B8rgensen?=
2021-02-02 19:34 ` Jakub Kicinski
2021-02-03 12:50 ` Marek Majtyka
2021-02-03 17:02 ` Jakub Kicinski
2021-02-10 10:53 ` Toke =?unknown-8bit?q?H=C3=B8iland-J=C3=B8rgensen?=
2021-02-10 18:31 ` Jakub Kicinski
2021-02-10 22:52 ` Toke =?unknown-8bit?q?H=C3=B8iland-J=C3=B8rgensen?=
2021-02-12 1:26 ` Jakub Kicinski
2021-02-12 2:05 ` Alexei Starovoitov
2021-02-12 7:02 ` Marek Majtyka
2021-02-16 14:30 ` Toke =?unknown-8bit?q?H=C3=B8iland-J=C3=B8rgensen?=
2020-12-09 15:44 ` David Ahern [this message]
2020-12-10 13:32 ` [Intel-wired-lan] Explaining XDP redirect bulk size design (Was: [PATCH v2 bpf 1/5] net: ethtool: add xdp properties flag set) Jesper Dangaard Brouer
2020-12-10 14:14 ` Magnus Karlsson
2020-12-10 17:30 ` Jesper Dangaard Brouer
2020-12-10 19:20 ` Saeed Mahameed
2020-12-08 1:01 ` [Intel-wired-lan] [PATCH v2 bpf 1/5] net: ethtool: add xdp properties flag set David Ahern
2020-12-08 8:28 ` Jesper Dangaard Brouer
2020-12-08 11:58 ` Toke =?unknown-8bit?q?H=C3=B8iland-J=C3=B8rgensen?=
2020-12-09 5:50 ` John Fastabend
2020-12-09 10:26 ` Toke =?unknown-8bit?q?H=C3=B8iland-J=C3=B8rgensen?=
2020-12-08 9:00 ` Jesper Dangaard Brouer
2020-12-08 9:42 ` Daniel Borkmann
2020-12-04 12:57 ` Maciej Fijalkowski
2020-12-04 10:28 ` [Intel-wired-lan] [PATCH v2 bpf 2/5] drivers/net: turn XDP properties on alardam
2020-12-04 12:19 ` Toke =?unknown-8bit?q?H=C3=B8iland-J=C3=B8rgensen?=
2020-12-04 10:28 ` [Intel-wired-lan] [PATCH v2 bpf 3/5] xsk: add usage of xdp properties flags alardam
2020-12-04 10:29 ` [Intel-wired-lan] [PATCH v2 bpf 4/5] xsk: add check for full support of XDP in bind alardam
2020-12-04 10:29 ` [Intel-wired-lan] [PATCH v2 bpf 5/5] ethtool: provide xdp info with XDP_PROPERTIES_GET alardam
2020-12-04 17:20 ` [Intel-wired-lan] [PATCH v2 bpf 0/5] New netdev feature flags for XDP Jakub Kicinski
2020-12-04 17:26 ` Toke =?unknown-8bit?q?H=C3=B8iland-J=C3=B8rgensen?=
2020-12-04 19:22 ` Jakub Kicinski
2020-12-07 12:04 ` Toke =?unknown-8bit?q?H=C3=B8iland-J=C3=B8rgensen?=
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