netfilter: nf_conntrack_helper: do not hash by tuple

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Long time ago helpers were auto-assigned to connections based on
port/protocol match. For this reason, nf_conntrack_helper still contains
a full tuple.

Nowadays the only relevant entries in the tuple are the l3 and l4 protocol
numbers.

Prepare for tuple removal and switch to hashing name and l4 protocol.
l3num cannot be used because helpers can also register for "unspec"
protocol.

Signed-off-by: Florian Westphal <fw@strlen.de>

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Florian Westphal 2026-06-29 14:58:21 +02:00

parent 60aee97fc7

commit 26fb502773

1 changed files with 31 additions and 36 deletions

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net/netfilter/nf_conntrack_helper.c

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