netdev - [PATCH net-next 0/3] Change BPF_TEST_RUN use the system page pool for live XDP frames

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Message-ID: <20240215132634.474055-1-toke@redhat.com>
Date: Thu, 15 Feb 2024 14:26:29 +0100
From: Toke Høiland-Jørgensen <toke@...hat.com>
To: "David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>,
	Paolo Abeni <pabeni@...hat.com>,
	Alexei Starovoitov <ast@...nel.org>,
	Daniel Borkmann <daniel@...earbox.net>,
	Andrii Nakryiko <andrii@...nel.org>,
	Martin KaFai Lau <martin.lau@...ux.dev>,
	Eduard Zingerman <eddyz87@...il.com>,
	Song Liu <song@...nel.org>,
	Yonghong Song <yonghong.song@...ux.dev>,
	John Fastabend <john.fastabend@...il.com>,
	KP Singh <kpsingh@...nel.org>,
	Stanislav Fomichev <sdf@...gle.com>,
	Hao Luo <haoluo@...gle.com>,
	Jiri Olsa <jolsa@...nel.org>,
	Jesper Dangaard Brouer <hawk@...nel.org>
Cc: Alexander Lobakin <aleksander.lobakin@...el.com>,
	Toke Høiland-Jørgensen <toke@...hat.com>,
	netdev@...r.kernel.org,
	bpf@...r.kernel.org
Subject: [PATCH net-next 0/3] Change BPF_TEST_RUN use the system page pool for live XDP frames

Now that we have a system-wide page pool, we can use that for the live
frame mode of BPF_TEST_RUN (used by the XDP traffic generator), and
avoid the cost of creating a separate page pool instance for each
syscall invocation. See the individual patches for more details.

Toke Høiland-Jørgensen (3):
  net: Register system page pool as an XDP memory model
  bpf: test_run: Use system page pool for XDP live frame mode
  bpf: test_run: Fix cacheline alignment of live XDP frame data
    structures

 include/linux/netdevice.h |   1 +
 net/bpf/test_run.c        | 138 +++++++++++++++++++-------------------
 net/core/dev.c            |  13 +++-
 3 files changed, 81 insertions(+), 71 deletions(-)

-- 
2.43.0