netdev - Re: [RFC PATCH v9 00/11] bpf qdisc

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Message-ID: <m2bk2wz5pi.fsf@gmail.com>
Date: Wed, 17 Jul 2024 11:13:45 +0100
From: Donald Hunter <donald.hunter@...il.com>
To: Amery Hung <ameryhung@...il.com>
Cc: netdev@...r.kernel.org,  bpf@...r.kernel.org,  yangpeihao@...u.edu.cn,
  daniel@...earbox.net,  andrii@...nel.org,  alexei.starovoitov@...il.com,
  martin.lau@...nel.org,  sinquersw@...il.com,  toke@...hat.com,
  jhs@...atatu.com,  jiri@...nulli.us,  sdf@...gle.com,
  xiyou.wangcong@...il.com,  yepeilin.cs@...il.com
Subject: Re: [RFC PATCH v9 00/11] bpf qdisc

Amery Hung <ameryhung@...il.com> writes:

> Hi all,
>
> This patchset aims to support implementing qdisc using bpf struct_ops.
> This version takes a step back and only implements the minimum support
> for bpf qdisc. 1) support of adding skb to bpf_list and bpf_rbtree
> directly and 2) classful qdisc are deferred to future patchsets.

How do you build with this patchset?

I had to build with the following to get the selftests to build:

CONFIG_NET_SCH_NETEM=y
CONFIG_NET_FOU=y

> * Miscellaneous notes *
>
> The bpf qdiscs in selftest requires support of exchanging kptr into
> allocated objects (local kptr), which Dave Marchevsky developed and
> kindly sent me as off-list patchset.

It's impossible to try out this patchset without the kptr patches. Can
you include those patches here?