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be5650f8f4
linux/include/net/netfilter
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Pablo Neira Ayuso be5650f8f4 netfilter: nft_bitwise: track register operations 
Check if the destination register already contains the data that this
bitwise expression performs. This allows to skip this redundant
operation.

If the destination contains a different bitwise operation, cancel the
register tracking information. If the destination contains no bitwise
operation, update the register tracking information.

Update the payload and meta expression to check if this bitwise
operation has been already performed on the register. Hence, both the
payload/meta and the bitwise expressions are reduced.

There is also a special case: If source register != destination register
and source register is not updated by a previous bitwise operation, then
transfer selector from the source register to the destination register.

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2022-01-09 23:35:17 +01:00
..
ipv4 netfilter: disable defrag once its no longer needed 2021-04-26 03:20:07 +02:00
ipv6 netfilter: conntrack: fix boot failure with nf_conntrack.enable_hooks=1 2021-09-28 13:04:55 +02:00
br_netfilter.h netfilter: remove CONFIG_NETFILTER checks from headers. 2019-09-13 12:47:36 +02:00
nf_conntrack_acct.h netfilter: conntrack: add nf_ct_acct_add() 2020-03-30 02:05:39 +02:00
nf_conntrack_bridge.h netfilter: remove CONFIG_NETFILTER checks from headers. 2019-09-13 12:47:36 +02:00
nf_conntrack_core.h netfilter: conntrack: nf_ct_gre_keymap_flush() removal 2021-07-02 02:07:01 +02:00
nf_conntrack_count.h netfilter: add missing includes to a number of header-files. 2019-08-13 12:14:39 +02:00
nf_conntrack_ecache.h netfilter: ecache: remove nf_exp_event_notifier structure 2021-08-25 12:50:38 +02:00
nf_conntrack_expect.h netfilter: fix coding-style errors. 2019-09-13 11:39:38 +02:00
nf_conntrack_extend.h netfilter: Replace zero-length array with flexible-array member 2020-03-15 15:20:16 +01:00
nf_conntrack_helper.h treewide: Use sizeof_field() macro 2019-12-09 10:36:44 -08:00
nf_conntrack_l4proto.h netfilter: conntrack: pass hook state to log functions 2021-06-18 14:47:43 +02:00
nf_conntrack_labels.h netfilter: fix include guards. 2019-09-13 11:39:38 +02:00
nf_conntrack_seqadj.h
nf_conntrack_synproxy.h netfilter: conntrack: wrap two inline functions in config checks. 2019-09-13 12:47:10 +02:00
nf_conntrack_timeout.h netfilter: Replace zero-length array with flexible-array member 2020-03-15 15:20:16 +01:00
nf_conntrack_timestamp.h netfilter: conntrack: remove two unused functions from nf_conntrack_timestamp.h. 2019-09-13 12:48:09 +02:00
nf_conntrack_tuple.h netfilter: remove CONFIG_NETFILTER checks from headers. 2019-09-13 12:47:36 +02:00
nf_conntrack_zones.h netfilter: conntrack: remove CONFIG_NF_CONNTRACK checks from nf_conntrack_zones.h. 2019-09-13 12:47:41 +02:00
nf_conntrack.h netfilter: conntrack: avoid useless indirection during conntrack destruction 2022-01-09 23:30:13 +01:00
nf_dup_netdev.h netfilter: nft_{fwd,dup}_netdev: add offload support 2019-09-10 22:44:29 +02:00
nf_flow_table.h netfilter: flowtable: Set offload timeouts according to proto values 2021-06-07 12:23:38 +02:00
nf_hooks_lwtunnel.h netfilter: add netfilter hooks to SRv6 data plane 2021-08-30 01:51:36 +02:00
nf_log.h netfilter: nf_log_common: merge with nf_log_syslog 2021-03-31 22:34:10 +02:00
nf_nat_helper.h netfilter: add missing includes to a number of header-files. 2019-08-13 12:14:39 +02:00
nf_nat_masquerade.h netfilter: update include directives. 2019-09-13 12:33:06 +02:00
nf_nat_redirect.h netfilter: add missing includes to a number of header-files. 2019-08-13 12:14:39 +02:00
nf_nat.h netfilter: nat: move nf_xfrm_me_harder to where it is used 2021-04-26 03:20:07 +02:00
nf_queue.h netfilter: nf_queue: move hookfn registration out of struct net 2021-08-10 17:32:00 +02:00
nf_reject.h netfilter: add missing includes to a number of header-files. 2019-08-13 12:14:39 +02:00
nf_socket.h netfilter: Decrease code duplication regarding transparent socket option 2018-06-03 00:02:01 +02:00
nf_synproxy.h netfilter: remove CONFIG_NETFILTER checks from headers. 2019-09-13 12:47:36 +02:00
nf_tables_core.h netfilter: nf_tables: make counter support built-in 2021-12-23 01:07:35 +01:00
nf_tables_ipv4.h netfilter: nf_tables: convert pktinfo->tprot_set to flags field 2021-11-01 09:30:20 +01:00
nf_tables_ipv6.h netfilter: nf_tables: convert pktinfo->tprot_set to flags field 2021-11-01 09:30:20 +01:00
nf_tables_offload.h netfilter: nftables: counter hardware offload support 2021-04-18 22:04:49 +02:00
nf_tables.h netfilter: nft_bitwise: track register operations 2022-01-09 23:35:17 +01:00
nf_tproxy.h Merge git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf-next 2018-07-20 22:28:28 -07:00
nft_fib.h netfilter: nftables: add nft_parse_register_store() and use it 2021-01-27 23:16:02 +01:00
nft_meta.h netfilter: nftables: add nft_parse_register_store() and use it 2021-01-27 23:16:02 +01:00
nft_reject.h netfilter: add missing includes to a number of header-files. 2019-08-13 12:14:39 +02:00
xt_rateest.h net: sched: Merge Qdisc::bstats and Qdisc::cpu_bstats data types 2021-10-18 12:54:41 +01:00