Thread (16 messages) 16 messages, 3 authors, 7d ago

Re: [PATCH net-next 2/5] netdevsim: add ndo_xdp_xmit

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From: Stanislav Fomichev <hidden>
Date: 2026-09-29 23:34:06
Also in: bpf, linux-kselftest

On 09/28, Jakub Kicinski wrote:
Bonding refuses a slave which has no ndo_xdp_xmit once the bond runs an
XDP program, so netdevsim can't currently be enslaved into an XDP bond
and the propagation of XDP down to lower devices has no test coverage
at all.

There is no data path behind it. netdevsim does not advertise
NETDEV_XDP_ACT_NDO_XMIT, so nothing should be redirecting frames here;
anything which does anyway is counted and freed rather than dropped
silently.

Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Acked-by: Stanislav Fomichev <sdf@fomichev.me>
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