Re: [PATCH bpf-next v11 0/5] Add support for transmitting packets using XDP in bpf_prog_run()

Hello:

This series was applied to bpf/bpf-next.git (master)
by Alexei Starovoitov [off-list ref]:

On Wed,  9 Mar 2022 11:53:41 +0100 you wrote:

This series adds support for transmitting packets using XDP in
bpf_prog_run(), by enabling a new mode "live packet" mode which will handle
the XDP program return codes and redirect the packets to the stack or other
devices.

The primary use case for this is testing the redirect map types and the
ndo_xdp_xmit driver operation without an external traffic generator. But it
turns out to also be useful for creating a programmable traffic generator
in XDP, as well as injecting frames into the stack. A sample traffic
generator, which was included in previous versions of the series, but now
moved to xdp-tools, transmits up to 9 Mpps/core on my test machine.

[...]

Here is the summary with links:
  - [bpf-next,v11,1/5] bpf: Add "live packet" mode for XDP in BPF_PROG_RUN
    https://git.kernel.org/bpf/bpf-next/c/b530e9e1063e
  - [bpf-next,v11,2/5] Documentation/bpf: Add documentation for BPF_PROG_RUN
    https://git.kernel.org/bpf/bpf-next/c/1a7551f15097
  - [bpf-next,v11,3/5] libbpf: Support batch_size option to bpf_prog_test_run
    https://git.kernel.org/bpf/bpf-next/c/24592ad1ab18
  - [bpf-next,v11,4/5] selftests/bpf: Move open_netns() and close_netns() into network_helpers.c
    https://git.kernel.org/bpf/bpf-next/c/a30338840fa5
  - [bpf-next,v11,5/5] selftests/bpf: Add selftest for XDP_REDIRECT in BPF_PROG_RUN
    https://git.kernel.org/bpf/bpf-next/c/55fcacca3646

You are awesome, thank you!
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