From: Ferruh Yigit <ferruh.yigit@amd.com>
To: Stephen Hemminger <stephen@networkplumber.org>
Cc: dev@dpdk.org, Luca Boccassi <bluca@debian.org>
Subject: Re: [PATCH v4 4/7] net/tap: rewrite the RSS BPF program
Date: Wed, 28 Feb 2024 17:27:31 +0000 [thread overview]
Message-ID: <519644f4-cba9-46ba-a50c-51a7d1b4a79c@amd.com> (raw)
In-Reply-To: <20240209180948.1fc905ee@hermes.local>
On 2/10/2024 2:09 AM, Stephen Hemminger wrote:
> On Sat, 10 Feb 2024 00:54:15 +0000
> Ferruh Yigit <ferruh.yigit@amd.com> wrote:
>
>> On 2/8/2024 7:05 PM, Stephen Hemminger wrote:
>>> Rewrite the BPF program used to do queue based RSS.
>>> Important changes:
>>> - uses newer BPF map format BTF
>>> - accepts key as parameter rather than constant default
>>> - can do L3 or L4 hashing
>>> - supports IPv4 options
>>> - supports IPv6 extension headers
>>> - restructured for readability
>>>
>>> The usage of BPF is different as well:
>>> - the incoming configuration is looked up based on
>>> class parameters rather than patching the BPF.
>>> - the resulting queue is placed in skb rather
>>> than requiring a second pass through classifier step.
>>>
>>> Note: This version only works with later patch to enable it on
>>> the DPDK driver side. It is submitted as an incremental patch
>>> to allow for easier review. Bisection still works because
>>> the old instruction are still present for now.
>>>
>>> Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
>>
>> <...>
>>
>>> diff --git a/drivers/net/tap/bpf/meson.build b/drivers/net/tap/bpf/meson.build
>>> new file mode 100644
>>> index 000000000000..f2c03a19fd4d
>>> --- /dev/null
>>> +++ b/drivers/net/tap/bpf/meson.build
>>> @@ -0,0 +1,81 @@
>>> +# SPDX-License-Identifier: BSD-3-Clause
>>> +# Copyright 2024 Stephen Hemminger <stephen@networkplumber.org>
>>> +
>>> +enable_tap_rss = false
>>> +
>>> +libbpf = dependency('libbpf', required: false, method: 'pkg-config')
>>> +if not libbpf.found()
>>> + message('net/tap: no RSS support missing libbpf')
>>> + subdir_done()
>>> +endif
>>> +
>>> +# Debian install this in /usr/sbin which is not in $PATH
>>> +bpftool = find_program('bpftool', '/usr/sbin/bpftool', required: false, version: '>= 5.6.0')
>>> +if not bpftool.found()
>>> + message('net/tap: no RSS support missing bpftool')
>>> + subdir_done()
>>> +endif
>>>
>>
>> I am getting following build error:
>> '
>> drivers/net/tap/bpf/meson.build:13:10: ERROR: Command `/usr/sbin/bpftool
>> --version` failed with status 2.
>> '
>>
>> There is a '/usr/sbin/bpftool' file but it is a script and gives
>> following message when run:
>> "WARNING: bpftool not found for kernel 6.5.0-15"
>>
>> This is with "Ubuntu 22.04.3 LTS"
>>
>>
>> Overall thanks for fixing tap BPF support.
>
> Just set up an equivalent Ubuntu VM 22.04 VM and made sure all packages
> were up to date.
>
> Looks like Ubuntu borked the packaging of bpftool.
> Maybe Luca has some insight.
>
> shemminger@ubuntu-22-04:~/dpdk$ sudo apt install libbpf-dev bpftool
> Reading package lists... Done
> Building dependency tree... Done
> Reading state information... Done
> Package bpftool is a virtual package provided by:
> linux-nvidia-6.2-tools-common 6.2.0-1003.3~22.04.1
> linux-lowlatency-hwe-6.5-tools-common 6.5.0-17.17.1.1.1~22.04.1
> linux-hwe-6.5-tools-common 6.5.0-17.17~22.04.1
> linux-hwe-6.2-tools-common 6.2.0-39.40~22.04.1
> You should explicitly select one to install.
>
I can make it work but it can hit others too, we need something that
detects this condition and disables tap/bpf.
next prev parent reply other threads:[~2024-02-28 17:27 UTC|newest]
Thread overview: 202+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-01-30 3:46 [RFC 0/2] net/tap RSS BPF rewrite Stephen Hemminger
2024-01-30 3:46 ` [RFC 1/2] tap: stop "vendoring" linux bpf headers Stephen Hemminger
2024-01-30 3:46 ` [RFC 2/2] tap: rework BPF handling Stephen Hemminger
2024-02-07 22:11 ` [PATCH v2 0/7] net/tap: RSS using BPF overhaul Stephen Hemminger
2024-02-07 22:11 ` [PATCH v2 1/7] net/tap: remove unused RSS hash types Stephen Hemminger
2024-02-07 22:11 ` [PATCH v2 2/7] net/tap: validate and setup parameters for BPF RSS Stephen Hemminger
2024-02-07 22:11 ` [PATCH v2 3/7] net/tap: stop "vendoring" linux bpf headers Stephen Hemminger
2024-02-07 22:11 ` [PATCH v2 4/7] net/tap: rewrite the RSS BPF program Stephen Hemminger
2024-02-07 22:11 ` [PATCH v2 5/7] net/tap: use libbpf to load new " Stephen Hemminger
2024-02-07 22:11 ` [PATCH v2 6/7] net/tap: remove no longer used files Stephen Hemminger
2024-02-07 22:11 ` [PATCH v2 7/7] MAINTAINERS: add maintainer for TAP device Stephen Hemminger
2024-02-08 7:01 ` Morten Brørup
2024-02-08 17:41 ` [PATCH v3 0/7] net/tap: RSS using BPF overhaul Stephen Hemminger
2024-02-08 17:41 ` [PATCH v3 1/7] net/tap: remove unused RSS hash types Stephen Hemminger
2024-02-08 17:41 ` [PATCH v3 2/7] net/tap: validate and setup parameters for BPF RSS Stephen Hemminger
2024-02-08 17:41 ` [PATCH v3 3/7] tap: stop "vendoring" linux bpf headers Stephen Hemminger
2024-02-08 17:41 ` [PATCH v3 4/7] net/tap: rewrite the RSS BPF program Stephen Hemminger
2024-02-08 17:41 ` [PATCH v3 5/7] net/tap: use libbpf to load new " Stephen Hemminger
2024-02-08 18:02 ` Stephen Hemminger
2024-02-08 17:41 ` [PATCH v3 6/7] net/tap: remove no longer used files Stephen Hemminger
2024-02-08 17:41 ` [PATCH v3 7/7] MAINTAINERS: add maintainer for TAP device Stephen Hemminger
2024-02-08 19:05 ` [PATCH v4 0/7] net/tap: queue flow action RSS using BPF redo Stephen Hemminger
2024-02-08 19:05 ` [PATCH v4 1/7] net/tap: remove unused RSS hash types Stephen Hemminger
2024-02-08 19:05 ` [PATCH v4 2/7] net/tap: validate and setup parameters for BPF RSS Stephen Hemminger
2024-02-08 19:05 ` [PATCH v4 3/7] tap: stop "vendoring" linux bpf headers Stephen Hemminger
2024-02-08 19:05 ` [PATCH v4 4/7] net/tap: rewrite the RSS BPF program Stephen Hemminger
2024-02-10 0:54 ` Ferruh Yigit
2024-02-10 2:09 ` Stephen Hemminger
2024-02-28 17:27 ` Ferruh Yigit [this message]
2024-02-29 23:39 ` Stephen Hemminger
2024-02-08 19:05 ` [PATCH v4 5/7] net/tap: use libbpf to load new " Stephen Hemminger
2024-02-08 20:39 ` Stephen Hemminger
2024-02-08 19:05 ` [PATCH v4 6/7] net/tap: remove no longer used files Stephen Hemminger
2024-02-08 19:05 ` [PATCH v4 7/7] MAINTAINERS: add maintainer for TAP device Stephen Hemminger
2024-02-12 16:47 ` [PATCH v4 0/7] net/tap: queue flow action RSS using BPF redo Stephen Hemminger
2024-04-02 17:12 ` [PATCH v5 0/8] net/tap: cleanups and fix BPF flow Stephen Hemminger
2024-04-02 17:12 ` [PATCH v5 1/8] net/tap: do not duplicate fd's Stephen Hemminger
2024-04-02 17:12 ` [PATCH v5 2/8] doc: fix the requirements and building of TAP flow Stephen Hemminger
2024-04-02 17:12 ` [PATCH v5 3/8] net/tap: remove unused RSS hash types Stephen Hemminger
2024-04-02 17:12 ` [PATCH v5 4/8] net/tap: validate and setup parameters for BPF RSS Stephen Hemminger
2024-04-02 17:12 ` [PATCH v5 5/8] net/tap: stop "vendoring" linux bpf headers Stephen Hemminger
2024-04-02 17:12 ` [PATCH v5 6/8] net/tap: rewrite the RSS BPF program Stephen Hemminger
2024-04-02 17:12 ` [PATCH v5 7/8] net/tap: use libbpf to load new " Stephen Hemminger
2024-04-03 11:50 ` Luca Boccassi
2024-04-03 14:53 ` Stephen Hemminger
2024-04-03 15:55 ` Stephen Hemminger
2024-04-03 21:19 ` Luca Boccassi
2024-04-03 23:41 ` Stephen Hemminger
2024-04-04 0:49 ` Luca Boccassi
2024-04-04 15:51 ` Stephen Hemminger
2024-04-04 16:12 ` Luca Boccassi
2024-04-04 15:30 ` Stephen Hemminger
2024-04-04 16:11 ` Luca Boccassi
2024-04-02 17:12 ` [PATCH v5 8/8] net/tap: remove no longer used files Stephen Hemminger
2024-04-02 20:43 ` Stephen Hemminger
2024-04-05 21:14 ` [PATCH v6 0/8] net/tap: cleanup and fix BPF flow support Stephen Hemminger
2024-04-05 21:14 ` [PATCH v6 1/8] net/tap: do not duplicate fd's Stephen Hemminger
2024-04-05 21:14 ` [PATCH v6 2/8] doc: fix the requirements and building of TAP flow Stephen Hemminger
2024-04-05 21:14 ` [PATCH v6 3/8] net/tap: remove unused fields Stephen Hemminger
2024-04-05 21:14 ` [PATCH v6 4/8] net/tap: validate and setup parameters for BPF RSS Stephen Hemminger
2024-04-05 21:14 ` [PATCH v6 5/8] net/tap: stop "vendoring" linux bpf headers Stephen Hemminger
2024-04-05 21:14 ` [PATCH v6 6/8] net/tap: rewrite the RSS BPF program Stephen Hemminger
2024-04-05 21:14 ` [PATCH v6 7/8] net/tap: use libbpf to load new " Stephen Hemminger
2024-04-05 21:15 ` [PATCH v6 8/8] net/tap: remove no longer used files Stephen Hemminger
2024-04-08 21:18 ` [PATCH v7 0/8] net/tap: cleanups and fix BPF support Stephen Hemminger
2024-04-08 21:18 ` [PATCH v7 1/8] net/tap: do not duplicate fd's Stephen Hemminger
2024-04-08 21:18 ` [PATCH v7 2/8] net/tap: remove unused fields Stephen Hemminger
2024-04-08 21:18 ` [PATCH v7 3/8] net/tap: validate and setup parameters for BPF RSS Stephen Hemminger
2024-04-08 21:18 ` [PATCH v7 4/8] net/tap: do not build flow support if header is out of date Stephen Hemminger
2024-04-08 21:18 ` [PATCH v7 5/8] net/tap: rewrite the RSS BPF program Stephen Hemminger
2024-04-08 21:18 ` [PATCH v7 6/8] net/tap: use libbpf to load new " Stephen Hemminger
2024-04-08 21:18 ` [PATCH v7 7/8] net/tap: remove no longer used files Stephen Hemminger
2024-04-08 21:18 ` [PATCH v7 8/8] doc: update documentation of TAP PMD Stephen Hemminger
2024-04-09 3:40 ` [PATCH v8 0/8] net/tap: cleanups and fix BPF support Stephen Hemminger
2024-04-09 3:40 ` [PATCH v8 1/8] net/tap: do not duplicate fd's Stephen Hemminger
2024-04-09 3:40 ` [PATCH v8 2/8] net/tap: remove unused fields Stephen Hemminger
2024-04-09 3:40 ` [PATCH v8 3/8] net/tap: validate and setup parameters for BPF RSS Stephen Hemminger
2024-04-09 3:40 ` [PATCH v8 4/8] net/tap: do not build flow support if header is out of date Stephen Hemminger
2024-04-09 3:40 ` [PATCH v8 5/8] net/tap: rewrite the RSS BPF program Stephen Hemminger
2024-04-09 3:40 ` [PATCH v8 6/8] net/tap: use libbpf to load new " Stephen Hemminger
2024-04-09 3:40 ` [PATCH v8 7/8] net/tap: remove no longer used files Stephen Hemminger
2024-04-09 3:40 ` [PATCH v8 8/8] doc: update documentation of TAP PMD Stephen Hemminger
2024-04-26 15:48 ` [PATCH v9 0/9] net/tap: fix RSS (BPF) support Stephen Hemminger
2024-04-26 15:48 ` [PATCH v9 1/9] net/tap: do not duplicate fd's Stephen Hemminger
2024-05-01 11:13 ` Ferruh Yigit
2024-05-01 23:53 ` Stephen Hemminger
2024-05-02 14:51 ` Ferruh Yigit
2024-05-02 16:22 ` Stephen Hemminger
2024-04-26 15:48 ` [PATCH v9 2/9] net/tap: remove unused fields Stephen Hemminger
2024-04-26 15:48 ` [PATCH v9 3/9] net/tap: validate and setup parameters for BPF RSS Stephen Hemminger
2024-04-26 15:48 ` [PATCH v9 4/9] net/tap: do not build flow support if header is out of date Stephen Hemminger
2024-04-26 15:48 ` [PATCH v9 5/9] net/tap: rewrite the RSS BPF program Stephen Hemminger
2024-05-01 11:14 ` Ferruh Yigit
2024-04-26 15:48 ` [PATCH v9 6/9] net/tap: use libbpf to load new " Stephen Hemminger
2024-04-26 15:48 ` [PATCH v9 7/9] net/tap: remove no longer used files Stephen Hemminger
2024-04-26 15:48 ` [PATCH v9 8/9] doc: update documentation of TAP PMD Stephen Hemminger
2024-05-01 12:36 ` Ferruh Yigit
2024-04-26 15:48 ` [PATCH v9 9/9] net/tap: simplify the internal structure Stephen Hemminger
2024-05-01 11:18 ` [PATCH v9 0/9] net/tap: fix RSS (BPF) support Ferruh Yigit
2024-05-01 15:41 ` Stephen Hemminger
2024-05-01 16:11 ` [PATCH v10 0/9] net/tap: fix RSS (BPF) flow support Stephen Hemminger
2024-05-01 16:12 ` [PATCH v10 1/9] net/tap: do not duplicate fd's Stephen Hemminger
2024-05-01 16:12 ` [PATCH v10 2/9] net/tap: remove unused fields Stephen Hemminger
2024-05-01 16:12 ` [PATCH v10 3/9] net/tap: validate and setup parameters for BPF RSS Stephen Hemminger
2024-05-01 16:12 ` [PATCH v10 4/9] net/tap: do not build flow support if header is out of date Stephen Hemminger
2024-05-01 16:12 ` [PATCH v10 5/9] net/tap: rewrite the RSS BPF program Stephen Hemminger
2024-05-01 16:12 ` [PATCH v10 6/9] net/tap: use libbpf to load new " Stephen Hemminger
2024-05-01 16:12 ` [PATCH v10 7/9] net/tap: remove no longer used files Stephen Hemminger
2024-05-01 16:12 ` [PATCH v10 8/9] net/tap: simplify internals Stephen Hemminger
2024-05-01 16:12 ` [PATCH v10 9/9] net/tap: update documentation Stephen Hemminger
2024-05-02 2:49 ` [PATCH v11 0/9] net/tap fix RSS (BPF) flow support Stephen Hemminger
2024-05-02 2:49 ` [PATCH v11 1/9] net/tap: do not duplicate fd's Stephen Hemminger
2024-05-02 2:49 ` [PATCH v11 2/9] net/tap: remove unused fields Stephen Hemminger
2024-05-02 2:49 ` [PATCH v11 3/9] net/tap: validate and setup parameters for BPF RSS Stephen Hemminger
2024-05-02 2:49 ` [PATCH v11 4/9] net/tap: do not build flow support if header is out of date Stephen Hemminger
2024-05-02 2:49 ` [PATCH v11 5/9] net/tap: rewrite the RSS BPF program Stephen Hemminger
2024-05-02 2:49 ` [PATCH v11 6/9] net/tap: use libbpf to load new " Stephen Hemminger
2024-05-02 2:49 ` [PATCH v11 7/9] net/tap: remove no longer used files Stephen Hemminger
2024-05-02 2:49 ` [PATCH v11 8/9] net/tap: simplify internals Stephen Hemminger
2024-05-02 2:49 ` [PATCH v11 9/9] net/tap: update documentation Stephen Hemminger
2024-05-02 21:31 ` [PATCH v12 00/12] net/tap: RSS and other fixes Stephen Hemminger
2024-05-02 21:31 ` [PATCH v12 01/12] net/tap: fix fd check in flow_isolate Stephen Hemminger
2024-05-20 17:46 ` Ferruh Yigit
2024-05-02 21:31 ` [PATCH v12 02/12] net/tap: do not duplicate fd's Stephen Hemminger
2024-05-20 17:46 ` Ferruh Yigit
2024-05-20 18:16 ` Stephen Hemminger
2024-05-02 21:31 ` [PATCH v12 03/12] net/tap: remove unused fields Stephen Hemminger
2024-05-20 17:46 ` Ferruh Yigit
2024-05-02 21:31 ` [PATCH v12 04/12] net/tap: validate and setup parameters for BPF RSS Stephen Hemminger
2024-05-20 17:47 ` Ferruh Yigit
2024-05-21 2:01 ` Stephen Hemminger
2024-05-21 14:17 ` Ferruh Yigit
2024-05-02 21:31 ` [PATCH v12 05/12] net/tap: do not build flow support if header is out of date Stephen Hemminger
2024-05-20 17:47 ` Ferruh Yigit
2024-05-02 21:31 ` [PATCH v12 06/12] net/tap: rewrite the RSS BPF program Stephen Hemminger
2024-05-02 21:31 ` [PATCH v12 07/12] net/tap: use libbpf to load new " Stephen Hemminger
2024-05-20 17:49 ` Ferruh Yigit
2024-05-20 18:18 ` Stephen Hemminger
2024-05-20 21:42 ` Luca Boccassi
2024-05-20 22:08 ` Ferruh Yigit
2024-05-20 22:25 ` Luca Boccassi
2024-05-20 23:20 ` Stephen Hemminger
2024-05-20 22:06 ` Ferruh Yigit
2024-05-21 4:23 ` Patrick Robb
2024-05-21 13:46 ` Ferruh Yigit
2024-05-21 14:33 ` Patrick Robb
2024-05-21 15:06 ` Aaron Conole
2024-05-21 15:41 ` Stephen Hemminger
2024-05-02 21:31 ` [PATCH v12 08/12] net/tap: remove no longer used files Stephen Hemminger
2024-05-20 17:50 ` Ferruh Yigit
2024-05-02 21:31 ` [PATCH v12 09/12] net/tap: simplify internals Stephen Hemminger
2024-05-20 17:51 ` Ferruh Yigit
2024-05-21 15:44 ` Stephen Hemminger
2024-05-02 21:31 ` [PATCH v12 10/12] net/tap: remove extraneous newlines Stephen Hemminger
2024-05-20 17:51 ` Ferruh Yigit
2024-05-02 21:31 ` [PATCH v12 11/12] net/tap: do not mark queue full as error Stephen Hemminger
2024-05-20 17:52 ` Ferruh Yigit
2024-05-21 15:46 ` Stephen Hemminger
2024-05-02 21:31 ` [PATCH v12 12/12] net/tap: update documentation Stephen Hemminger
2024-05-20 17:53 ` Ferruh Yigit
2024-05-21 2:39 ` Stephen Hemminger
2024-05-21 2:47 ` [PATCH v13 00/11] net/tap: make RSS work again Stephen Hemminger
2024-05-21 2:47 ` [PATCH v13 01/11] net/tap: fix fd check in flow_isolate Stephen Hemminger
2024-05-21 2:47 ` [PATCH v13 02/11] net/tap: do not duplicate fd's Stephen Hemminger
2024-05-21 2:47 ` [PATCH v13 03/11] net/tap: remove unused fields Stephen Hemminger
2024-05-21 2:47 ` [PATCH v13 04/11] net/tap: validate and setup parameters for BPF RSS Stephen Hemminger
2024-05-21 2:47 ` [PATCH v13 05/11] net/tap: do not build flow support if header is out of date Stephen Hemminger
2024-05-21 2:47 ` [PATCH v13 06/11] net/tap: rewrite the RSS BPF program Stephen Hemminger
2024-05-21 2:47 ` [PATCH v13 07/11] net/tap: use libbpf to load new " Stephen Hemminger
2024-05-21 2:47 ` [PATCH v13 08/11] net/tap: remove no longer used files Stephen Hemminger
2024-05-21 2:47 ` [PATCH v13 09/11] net/tap: simplify internals Stephen Hemminger
2024-05-21 2:47 ` [PATCH v13 10/11] net/tap: remove extraneous newlines Stephen Hemminger
2024-05-21 2:47 ` [PATCH v13 11/11] net/tap: update documentation Stephen Hemminger
2024-05-21 14:19 ` [PATCH v13 00/11] net/tap: make RSS work again Ferruh Yigit
2024-05-21 14:35 ` Ferruh Yigit
2024-05-21 14:38 ` Ferruh Yigit
2024-05-21 21:23 ` Patrick Robb
2024-05-21 21:26 ` Ferruh Yigit
2024-05-21 17:06 ` [PATCH v14 " Stephen Hemminger
2024-05-21 17:06 ` [PATCH v14 01/11] net/tap: fix fd check in flow_isolate Stephen Hemminger
2024-05-21 17:06 ` [PATCH v14 02/11] net/tap: do not duplicate fd's Stephen Hemminger
2024-05-21 17:06 ` [PATCH v14 03/11] net/tap: remove unused fields Stephen Hemminger
2024-05-21 17:06 ` [PATCH v14 04/11] net/tap: validate and setup parameters for BPF RSS Stephen Hemminger
2024-05-21 17:06 ` [PATCH v14 05/11] net/tap: do not build flow support if header is out of date Stephen Hemminger
2024-05-21 17:06 ` [PATCH v14 06/11] net/tap: rewrite the RSS BPF program Stephen Hemminger
2024-05-21 17:06 ` [PATCH v14 07/11] net/tap: use libbpf to load new " Stephen Hemminger
2024-05-21 17:06 ` [PATCH v14 08/11] net/tap: remove no longer used files Stephen Hemminger
2024-05-21 17:06 ` [PATCH v14 09/11] net/tap: simplify internals Stephen Hemminger
2024-05-21 17:06 ` [PATCH v14 10/11] net/tap: remove extraneous newlines Stephen Hemminger
2024-05-21 17:06 ` [PATCH v14 11/11] net/tap: update documentation Stephen Hemminger
2024-05-21 20:12 ` [PATCH v15 00/11] net/tap: make RSS work again Stephen Hemminger
2024-05-21 20:12 ` [PATCH v15 01/11] net/tap: fix fd check in flow_isolate Stephen Hemminger
2024-05-21 20:12 ` [PATCH v15 02/11] net/tap: do not duplicate fd's Stephen Hemminger
2024-05-21 20:12 ` [PATCH v15 03/11] net/tap: remove unused fields Stephen Hemminger
2024-05-21 20:12 ` [PATCH v15 04/11] net/tap: validate and setup parameters for BPF RSS Stephen Hemminger
2024-05-21 20:12 ` [PATCH v15 05/11] net/tap: do not build flow support if header is out of date Stephen Hemminger
2024-05-21 20:12 ` [PATCH v15 06/11] net/tap: rewrite the RSS BPF program Stephen Hemminger
2024-05-21 20:12 ` [PATCH v15 07/11] net/tap: use libbpf to load new " Stephen Hemminger
2024-05-21 20:12 ` [PATCH v15 08/11] net/tap: remove no longer used files Stephen Hemminger
2024-05-21 20:12 ` [PATCH v15 09/11] net/tap: simplify internals Stephen Hemminger
2024-05-21 20:12 ` [PATCH v15 10/11] net/tap: remove extraneous newlines Stephen Hemminger
2024-05-21 20:12 ` [PATCH v15 11/11] net/tap: update documentation Stephen Hemminger
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