Merge tag 'nf-next-23-04-22' of git://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf-next

Pablo Neira Ayuso says:

====================
Netfilter/IPVS updates for net-next

1) Reduce jumpstack footprint: Stash chain in last rule marker in blob for
   tracing. Remove last rule and chain from jumpstack. From Florian Westphal.

2) nf_tables validates all tables before committing the new rules.
   Unfortunately, this has two drawbacks:

   - Since addition of the transaction mutex pernet state gets written to
     outside of the locked section from the cleanup callback, this is
     wrong so do this cleanup directly after table has passed all checks.

   - Revalidate tables that saw no changes. This can be avoided by
     keeping the validation state per table, not per netns.

   From Florian Westphal.

3) Get rid of a few redundant pointers in the traceinfo structure.
   The three removed pointers are used in the expression evaluation loop,
   so gcc keeps them in registers. Passing them to the (inlined) helpers
   thus doesn't increase nft_do_chain text size, while stack is reduced
   by another 24 bytes on 64bit arches. From Florian Westphal.

4) IPVS cleanups in several ways without implementing any functional
   changes, aside from removing some debugging output:

   - Update width of source for ip_vs_sync_conn_options
     The operation is safe, use an annotation to describe it properly.

   - Consistently use array_size() in ip_vs_conn_init()
     It seems better to use helpers consistently.

   - Remove {Enter,Leave}Function. These seem to be well past their
     use-by date.

   - Correct spelling in comments.

   From Simon Horman.

5) Extended netlink error report for netdevice in flowtables and
   netdev/chains. Allow for incrementally add/delete devices to netdev
   basechain. Allow to create netdev chain without device.

* tag 'nf-next-23-04-22' of git://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf-next:
  netfilter: nf_tables: allow to create netdev chain without device
  netfilter: nf_tables: support for deleting devices in an existing netdev chain
  netfilter: nf_tables: support for adding new devices to an existing netdev chain
  netfilter: nf_tables: rename function to destroy hook list
  netfilter: nf_tables: do not send complete notification of deletions
  netfilter: nf_tables: extended netlink error reporting for netdevice
  ipvs: Correct spelling in comments
  ipvs: Remove {Enter,Leave}Function
  ipvs: Consistently use array_size() in ip_vs_conn_init()
  ipvs: Update width of source for ip_vs_sync_conn_options
  netfilter: nf_tables: do not store rule in traceinfo structure
  netfilter: nf_tables: do not store verdict in traceinfo structure
  netfilter: nf_tables: do not store pktinfo in traceinfo structure
  netfilter: nf_tables: remove unneeded conditional
  netfilter: nf_tables: make validation state per table
  netfilter: nf_tables: don't write table validation state without mutex
  netfilter: nf_tables: don't store chain address on jump
  netfilter: nf_tables: don't store address of last rule on jump
  netfilter: nf_tables: merge nft_rules_old structure and end of ruleblob marker
====================

Link: https://lore.kernel.org/r/20230421235021.216950-1-pablo@netfilter.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

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