From: Jakub Kicinski <kuba@kernel.org>
To: Tianyi Gao <tianyi@cloudflare.com>
Cc: netdev@vger.kernel.org, "Paolo Abeni" <pabeni@redhat.com>,
"Eric Dumazet" <edumazet@kernel.org>,
"David S. Miller" <davem@davemloft.net>,
"Simon Horman" <horms@kernel.org>,
"David Keogh" <dkeogh@amazon.com>,
"Jesper Dangaard Brouer" <hawk@kernel.org>,
"Daniel Borkmann" <daniel@iogearbox.net>,
"David Woodhouse" <dwmw2@infradead.org>,
"Dragos Tatulea" <dtatulea@nvidia.com>,
"Nimrod Oren" <noren@nvidia.com>,
"Alasdair McWilliam" <alasdair@mcwilliam.dev>,
"Willem de Bruijn" <willemdebruijn.kernel@gmail.com>,
"Maciej Fijalkowski" <maciej.fijalkowski@intel.com>,
"Stanislav Fomichev" <sdf@fomichev.me>,
"Magnus Karlsson" <magnus.karlsson@intel.com>,
"David Ahern" <dsahern@kernel.org>,
"Ido Schimmel" <idosch@nvidia.com>,
"Alexei Starovoitov" <ast@kernel.org>,
"John Fastabend" <john.fastabend@gmail.com>,
"Donald Hunter" <donald.hunter@gmail.com>,
"Andrew Lunn" <andrew+netdev@lunn.ch>,
"Jonathan Corbet" <corbet@lwn.net>,
"Shuah Khan" <skhan@linuxfoundation.org>,
"Shuah Khan" <shuah@kernel.org>,
"Randy Dunlap" <rdunlap@infradead.org>,
"Breno Leitao" <leitao@debian.org>,
"Asbjørn Sloth Tønnesen" <ast@fiberby.net>,
"Danielle Ratson" <danieller@nvidia.com>,
"Kuniyuki Iwashima" <kuniyu@google.com>,
bpf@vger.kernel.org, linux-doc@vger.kernel.org,
linux-kselftest@vger.kernel.org, kernel-team@cloudflare.com,
nh-open-source@amazon.com
Subject: Re: [PATCH net-next 8/8] selftests: net: tx_extra_headroom: test veth peer at creation
Date: Tue, 10 Nov 2026 07:38:07 -0800 [thread overview]
Message-ID: <20261110073807.2fa62e6c@kernel.org> (raw)
In-Reply-To: <73b9d23a4190cdd02e89d3a2ce8a1a21ad5feadb.1794020868.git.tianyi@cloudflare.com>
On Sat, 7 Nov 2026 03:34:27 +0000 Tianyi Gao wrote:
> +def test_veth_peer_at_creation() -> None:
> + """ip can set a different value on each end of a new veth pair."""
> + if "tx_extra_headroom" not in cmd("ip link help", fail=False).stderr:
> + raise KsftSkipEx("iproute2 does not support tx_extra_headroom")
> +
> + with NetNS() as ns, NetNSEnter(str(ns)):
> + ip("link add veth0 tx_extra_headroom 256 type veth "
> + "peer name veth1 tx_extra_headroom 128")
Please use Python YNL directly, we don't want the dependency on iproute2
next prev parent reply other threads:[~2026-11-10 15:38 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-11-07 3:34 [PATCH net-next 0/8] net: configurable extra TX headroom for local egress Tianyi Gao
2026-11-07 3:34 ` [PATCH net-next 1/8] net: add tx_extra_headroom and LL_ALLOC_SPACE() Tianyi Gao
2026-11-07 14:51 ` Willem de Bruijn
2026-11-07 18:25 ` Tianyi Gao
2026-11-08 15:13 ` Willem de Bruijn
2026-11-08 21:43 ` Tianyi Gao
2026-11-10 14:48 ` Jesper Dangaard Brouer
2026-11-09 3:08 ` Stephen Hemminger
2026-11-09 15:49 ` Tianyi Gao
2026-11-10 16:23 ` Willem de Bruijn
2026-11-10 20:12 ` Tianyi Gao
2026-11-11 3:27 ` Willem de Bruijn
2026-11-11 20:23 ` David Keogh
2026-11-11 20:37 ` David Keogh
2026-11-11 21:41 ` Tianyi Gao
2026-11-07 3:34 ` [PATCH net-next 2/8] net: reserve extra TX headroom for local egress Tianyi Gao
2026-11-07 3:34 ` [PATCH net-next 3/8] rtnetlink: add IFLA_TX_EXTRA_HEADROOM Tianyi Gao
2026-11-07 3:34 ` [PATCH net-next 4/8] selftests: net: add tx_extra_headroom test Tianyi Gao
2026-11-07 3:34 ` [PATCH net-next 5/8] selftests: net: tx_extra_headroom: test a push at TC egress Tianyi Gao
2026-11-07 3:34 ` [PATCH net-next 6/8] selftests: net: add flag to send a frame in xdp_helper Tianyi Gao
2026-11-07 3:34 ` [PATCH net-next 7/8] selftests: net: tx_extra_headroom: test generic XDP on the veth peer Tianyi Gao
2026-11-07 3:34 ` [PATCH net-next 8/8] selftests: net: tx_extra_headroom: test veth peer at creation Tianyi Gao
2026-11-10 15:38 ` Jakub Kicinski [this message]
2026-11-10 15:45 ` Tianyi Gao
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