From: Ferruh Yigit <ferruh.yigit@intel.com>
To: Pascal Mazon <pascal.mazon@6wind.com>,
Ophir Munk <ophirmu@mellanox.com>,
dev@dpdk.org
Cc: Thomas Monjalon <thomas@monjalon.net>, Olga Shern <olgas@mellanox.com>
Subject: Re: [dpdk-dev] [PATCH v5 0/6] TAP RSS eBPF cover letter
Date: Sat, 20 Jan 2018 16:15:47 +0000 [thread overview]
Message-ID: <0adbbad2-00a7-c4ce-d17f-e9bd470e0a62@intel.com> (raw)
In-Reply-To: <40669d31-ba1d-7d20-04f2-004a0c5a6da2@6wind.com>
On 1/19/2018 6:48 AM, Pascal Mazon wrote:
> Hi,
>
> It seems more logical to me to introduce tap_program (patch 3) before
> its compiled version (patch 2).
> Source code is indeed written down before compiling it.
>
> The doc section is a good addition.
> I'll be happy to see the upcoming utility for turning eBPF bytecode to C
> arrays.
> I'd have liked to see automation code (in a not-executed Makefile target
> typically) for generating the bytecode.
> I'm being told it should happen in the upcoming series along with the
> aforementioned utility.
>
> Otherwise code looks good enough (I couldn't see everything for lack of
> time), considering that later patches are expected in next release.
>
> Acked-by: Pascal Mazon <pascal.mazon@6wind.com>
>
> Best regards,
> Pascal
>
> On 18/01/2018 14:38, Ophir Munk wrote:
>> The patches of TAP RSS eBPF follow the RFC on this issue
>> https://dpdk.org/dev/patchwork/patch/31781/
>>
>> v5 changes with respect to v4
>> =============================
>> Update TAP document guide with RSS
>>
>> v4 changes with respect to v3
>> =============================
>> * Code updates based on review comments
>> * New commits organization (2-->5) based on review comments
>> 1. net/tap: support actions for different classifiers (preparations for BPF.
>> No BPF code yet)
>> 2. net/tap: add eBPF bytes code (BPF bytes code in a separate file)
>> 3. net/tap: add eBPF program file (Program source code of bytes code)
>> 4. net/tap: add eBPF API (BPF API to be used by TAP)
>> 5. net/tap: implement TAP RSS using eBPF
>>
>> v3 changes with respect to v2
>> =============================
>> * Add support for IPv6 RSS in BPF program
>> * Bug fixes
>> * Updated compatibility to kernel versions:
>> eBPF requires Linux version 4.9 configured with BPF
>> * New license header (SPDX) for newly added files
>>
>> v2 changes with respect to v1
>> =============================
>> * v2 has new commits organization (3 --> 2)
>> * BPF program was revised. It is successfully tested on
>> IPv4 L3 L4 layers (compatible to mlx4 device)
>> * Licensing: no comments received for using "Dual BSD/GPL"
>> string during BPF program loading to the kernel.
>> (v1 and v2 are using the same license strings)
>> Any comments are welcome.
>> * Compatibility to kernel versions:
>> eBPF requires Linux version 4.2 configured with BPF. TAP PMD will
>> successfully compile on systems with old or non-BPF configured kernels.
>> During compilation time the required Linux headers are searched for.
>> If they are not present missing definitions are locally added
>> (tap_autoconf.h).
>> If the kernel cannot support a BPF operation - at runtime it will
>> gracefully reject the netlink message (with BPF) sent to it.
>>
>> Ophir Munk (6):
>> net/tap: support actions for different classifiers
>> net/tap: add eBPF bytes code
>> net/tap: add eBPF program file
>> net/tap: add eBPF API
>> net/tap: implement TAP RSS using eBPF
>> doc: detail new tap RSS feature in guides
Series applied to dpdk-next-net/master, thanks.
next prev parent reply other threads:[~2018-01-20 16:15 UTC|newest]
Thread overview: 42+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-12-17 12:21 [dpdk-dev] [PATCH v1 0/3] " Ophir Munk
2017-12-17 12:21 ` [dpdk-dev] [PATCH v1 1/3] net/tap: add BPF sections for TAP device Ophir Munk
2017-12-17 12:21 ` [dpdk-dev] [PATCH v1 2/3] net/tap: add eBPF instructions Ophir Munk
2017-12-17 12:21 ` [dpdk-dev] [PATCH v1 3/3] net/tap: add eBPF classifiers map and actions Ophir Munk
2017-12-28 10:09 ` [dpdk-dev] [PATCH v2 0/2] TAP RSS eBPF cover letter Ophir Munk
2017-12-28 10:09 ` [dpdk-dev] [PATCH v2 1/2] net/tap: add eBPF instructions to TAP device Ophir Munk
2017-12-28 10:09 ` [dpdk-dev] [PATCH v2 2/2] net/tap: implement RSS with eBPF classifier and action Ophir Munk
2018-01-10 7:06 ` [dpdk-dev] [PATCH v3 0/2] TAP RSS eBPF cover letter Ophir Munk
2018-01-10 7:06 ` [dpdk-dev] [PATCH v3 1/2] net/tap: add eBPF instructions to TAP device Ophir Munk
2018-01-10 9:34 ` Pascal Mazon
2018-01-10 10:12 ` Ophir Munk
2018-01-10 7:06 ` [dpdk-dev] [PATCH v3 2/2] net/tap: implement RSS with eBPF classifier and action Ophir Munk
2018-01-10 10:19 ` Pascal Mazon
2018-01-11 17:20 ` Ophir Munk
2018-01-10 10:10 ` [dpdk-dev] [PATCH v3 0/2] TAP RSS eBPF cover letter Jason Wang
2018-01-10 15:34 ` Ophir Munk
2018-01-11 2:45 ` Jason Wang
2018-01-11 17:45 ` [dpdk-dev] [PATCH v4 0/5] " Ophir Munk
2018-01-11 17:45 ` [dpdk-dev] [PATCH v4 1/5] net/tap: support actions for different classifiers Ophir Munk
2018-01-11 17:45 ` [dpdk-dev] [PATCH v4 2/5] net/tap: add eBPF bytes code Ophir Munk
2018-01-11 17:45 ` [dpdk-dev] [PATCH v4 3/5] net/tap: add eBPF program file Ophir Munk
2018-01-11 17:45 ` [dpdk-dev] [PATCH v4 4/5] net/tap: add eBPF API Ophir Munk
2018-01-11 17:45 ` [dpdk-dev] [PATCH v4 5/5] net/tap: implement TAP RSS using eBPF Ophir Munk
2018-01-18 13:38 ` [dpdk-dev] [PATCH v5 0/6] TAP RSS eBPF cover letter Ophir Munk
2018-01-18 13:38 ` [dpdk-dev] [PATCH v5 1/6] net/tap: support actions for different classifiers Ophir Munk
2018-01-18 13:38 ` [dpdk-dev] [PATCH v5 2/6] net/tap: add eBPF bytes code Ophir Munk
2018-01-18 13:38 ` [dpdk-dev] [PATCH v5 3/6] net/tap: add eBPF program file Ophir Munk
2018-01-18 13:38 ` [dpdk-dev] [PATCH v5 4/6] net/tap: add eBPF API Ophir Munk
2018-01-18 13:38 ` [dpdk-dev] [PATCH v5 5/6] net/tap: implement TAP RSS using eBPF Ophir Munk
2018-01-18 13:38 ` [dpdk-dev] [PATCH v5 6/6] doc: detail new tap RSS feature in guides Ophir Munk
2018-01-19 6:48 ` [dpdk-dev] [PATCH v5 0/6] TAP RSS eBPF cover letter Pascal Mazon
2018-01-20 16:15 ` Ferruh Yigit [this message]
2018-01-20 21:25 ` Ophir Munk
2018-01-21 14:20 ` Ferruh Yigit
2018-01-20 21:11 ` [dpdk-dev] [PATCH v6 " Ophir Munk
2018-01-20 21:11 ` [dpdk-dev] [PATCH v6 1/6] net/tap: support actions for different classifiers Ophir Munk
2018-01-20 21:11 ` [dpdk-dev] [PATCH v6 2/6] net/tap: add eBPF program file Ophir Munk
2018-01-20 21:11 ` [dpdk-dev] [PATCH v6 3/6] net/tap: add eBPF bytes code Ophir Munk
2018-01-20 21:11 ` [dpdk-dev] [PATCH v6 4/6] net/tap: add eBPF API Ophir Munk
2018-01-20 21:11 ` [dpdk-dev] [PATCH v6 5/6] net/tap: implement TAP RSS using eBPF Ophir Munk
2018-01-20 21:11 ` [dpdk-dev] [PATCH v6 6/6] doc: detail new tap RSS feature in guides Ophir Munk
2018-01-21 14:50 ` [dpdk-dev] [PATCH v6 0/6] TAP RSS eBPF cover letter Ferruh Yigit
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