net: gro_cells: add drop reasons to gro_cells_receive()

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gro_cells_receive() reports SKB_DROP_REASON_NOT_SPECIFIED when the device
is down or the GRO cell queue length exceeds max_backlog.

Pass SKB_DROP_REASON_DEV_READY and SKB_DROP_REASON_CPU_BACKLOG to
kfree_skb_reason() for these two cases, respectively.

Suggested-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Xuanqiang Luo <luoxuanqiang@kylinos.cn>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Link: https://patch.msgid.link/20260916091420.138170-1-xuanqiang.luo@linux.dev
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

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Xuanqiang Luo 2026-09-16 17:14:20 +08:00 • committed by Jakub Kicinski

parent c327feb929

commit a907a89ff1

1 changed files with 4 additions and 1 deletions

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net/core/gro_cells.c

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