netfilter: nf_tables: add userdata attributes to nft_chain

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Enables storing userdata for nft_chain. Field udata points to user data
and udlen stores its length.

Adds new attribute flag NFTA_CHAIN_USERDATA.

Signed-off-by: Jose M. Guisado Gomez <guigom@riseup.net>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>

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Jose M. Guisado Gomez 2020-09-28 14:27:10 +02:00 • committed by Pablo Neira Ayuso

parent 85db827a57

commit 002f217653

3 changed files with 29 additions and 8 deletions

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include/uapi/linux/netfilter/nf_tables.h

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