[dpdk-dev] [PATCH v6 0/6] TAP RSS eBPF cover letter

Ferruh Yigit ferruh.yigit at intel.com
Sun Jan 21 15:50:11 CET 2018


On 1/20/2018 9:11 PM, Ophir Munk wrote:
> The patches of TAP RSS eBPF follow the RFC on this issue
> https://dpdk.org/dev/patchwork/patch/31781/
> 
> v6 changes with respect to v5
> =============================
> 1. Reorder thes following commits (source file commit before byte code commit)
>   net/tap: add eBPF program file
>   net/tap: add eBPF bytes code
> 2. Add acknowledgment to commits 
> 
> 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 program file
>   net/tap: add eBPF bytes code
>   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.


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