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a5d45bc0dc
linux-next/include/net/netfilter
History
Pablo Neira Ayuso a5d45bc0dc netfilter: nftables_offload: build mask based from the matching bytes 
Userspace might match on prefix bytes of header fields if they are on
the byte boundary, this requires that the mask is adjusted accordingly.
Use NFT_OFFLOAD_MATCH_EXACT() for meta since prefix byte matching is not
allowed for this type of selector.

The bitwise expression might be optimized out by userspace, hence the
kernel needs to infer the prefix from the number of payload bytes to
match on. This patch adds nft_payload_offload_mask() to calculate the
bitmask to match on the prefix.

Fixes: c9626a2cbd ("netfilter: nf_tables: add hardware offload support")
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2020-11-27 12:10:47 +01:00
..
ipv4 netfilter: add missing includes to a number of header-files. 2019-08-13 12:14:39 +02:00
ipv6 netfilter: remove nf_conntrack_icmpv6.h header. 2019-09-13 12:33:06 +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: remove CONFIG_NETFILTER checks from headers. 2019-09-13 12:47:36 +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: conntrack: use consistent style when defining inline functions 2019-09-13 12:46:25 +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: ctnetlink: add kernel side filtering for dump 2020-05-27 22:20:34 +02:00
nf_conntrack_labels.h netfilter: fix include guards. 2019-09-13 11:39:38 +02:00
nf_conntrack_seqadj.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
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 A set of locking fixes and updates: 2020-08-10 19:07:44 -07:00
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: Make nf_flow_table_offload_add/del_cb inline 2020-06-15 18:06:52 -07:00
nf_log.h netfilter: nf_log: missing vlan offload tag and proto 2020-10-14 01:25:14 +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: remove CONFIG_NETFILTER checks from headers. 2019-09-13 12:47:36 +02:00
nf_queue.h netfilter: nf_queue: place bridge physports into queue_entry struct 2020-03-29 16:28:29 +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: Implement fast bitwise expression 2020-10-04 21:08:33 +02:00
nf_tables_ipv4.h netfilter: nf_tables: add inet ingress support 2020-10-12 01:57:34 +02:00
nf_tables_ipv6.h netfilter: nf_tables: add inet ingress support 2020-10-12 01:57:34 +02:00
nf_tables_offload.h netfilter: nftables_offload: build mask based from the matching bytes 2020-11-27 12:10:47 +01:00
nf_tables.h netfilter: nftables_offload: KASAN slab-out-of-bounds Read in nft_flow_rule_create 2020-10-20 13:54:54 +02:00
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: add missing includes to a number of header-files. 2019-08-13 12:14:39 +02:00
nft_meta.h netfilter: add missing includes to a number of header-files. 2019-08-13 12:14:39 +02:00
nft_reject.h netfilter: add missing includes to a number of header-files. 2019-08-13 12:14:39 +02:00
xt_rateest.h netfilter: make xt_rateest hash table per net 2018-03-05 23:15:44 +01:00