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89cc8f1c5f
linux/net
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Florian Westphal 89cc8f1c5f netfilter: nf_tables: Add flowtable map for xdp offload 
This adds a small internal mapping table so that a new bpf (xdp) kfunc
can perform lookups in a flowtable.

As-is, xdp program has access to the device pointer, but no way to do a
lookup in a flowtable -- there is no way to obtain the needed struct
without questionable stunts.

This allows to obtain an nf_flowtable pointer given a net_device
structure.

In order to keep backward compatibility, the infrastructure allows the
user to add a given device to multiple flowtables, but it will always
return the first added mapping performing the lookup since it assumes
the right configuration is 1:1 mapping between flowtables and net_devices.

Co-developed-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Pablo Neira Ayuso <pablo@netfilter.org>
Link: https://lore.kernel.org/bpf/9f20e2c36f494b3bf177328718367f636bb0b2ab.1719698275.git.lorenzo@kernel.org
2024-07-01 17:01:53 +02:00
..
6lowpan net: fill in MODULE_DESCRIPTION()s for 6LoWPAN 2024-02-09 14:12:01 -08:00
9p Two fixes headed to stable trees: 2024-05-29 09:25:15 -07:00
802
8021q net: annotate writes on dev->mtu from ndo_change_mtu() 2024-05-07 16:19:14 -07:00
appletalk Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2024-05-09 10:01:01 -07:00
atm net: change proto and proto_ops accept type 2024-05-13 18:19:09 -06:00
ax25 ax25: Replace kfree() in ax25_dev_free() with ax25_dev_put() 2024-06-01 15:49:42 -07:00
batman-adv tracing/treewide: Remove second parameter of __assign_str() 2024-05-22 20:14:47 -04:00
bluetooth net-accept-more-20240515 2024-05-18 10:32:39 -07:00
bpf bpf: Add CHECKSUM_COMPLETE to bpf test progs 2024-06-13 14:29:47 +02:00
bridge net: bridge: fix an inconsistent indentation 2024-06-05 10:04:47 +01:00
caif net: caif: remove unused structs 2024-06-05 10:18:06 +01:00
can linux-can-next-for-6.9-20240220 2024-02-20 15:32:45 +01:00
ceph libceph: init the cursor when preparing sparse read in msgr2 2024-03-06 12:43:01 +01:00
core bpf: Relax tuple len requirement for sk helpers. 2024-06-14 21:52:39 +02:00
dcb
dccp net: tcp: un-pin the tw_timer 2024-06-10 11:54:18 +01:00
devlink devlink: Constify the 'table_ops' parameter of devl_dpipe_table_register() 2024-06-05 10:24:57 +01:00
dns_resolver Networking changes for 6.8. 2024-01-11 10:07:29 -08:00
dsa net: dsa: update the unicast MAC address when changing conduit 2024-06-10 13:48:06 +01:00
ethernet netkit: Fix pkt_type override upon netkit pass verdict 2024-05-25 10:48:57 -07:00
ethtool Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2024-06-06 12:06:56 -07:00
handshake net/handshake: remove redundant assignment to variable ret 2024-04-16 17:14:55 -07:00
hsr Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2024-05-09 10:01:01 -07:00
ieee802154 bpf-next-for-netdev 2024-05-28 07:27:29 -07:00
ife net: sched: ife: fix potential use-after-free 2023-12-15 10:50:18 +00:00
ipv4 bpf-next-for-netdev 2024-06-10 18:02:14 -07:00
ipv6 Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2024-06-06 12:06:56 -07:00
iucv more s390 updates for 6.10 merge window 2024-05-21 12:09:36 -07:00
kcm net: kcm: fix incorrect parameter validation in the kcm_getsockopt) function 2024-03-11 09:53:22 +00:00
key net: fill in MODULE_DESCRIPTION()s for af_key 2024-02-09 14:12:01 -08:00
l2tp l2tp: fix ICMP error handling for UDP-encap sockets 2024-05-17 12:15:22 -07:00
l3mdev
lapb
llc net: change proto and proto_ops accept type 2024-05-13 18:19:09 -06:00
mac80211 wireless-next patches for v6.11 2024-06-10 17:40:26 -07:00
mac802154 mac802154: fix llsec key resources release in mac802154_llsec_key_del 2024-03-06 21:01:26 +01:00
mctp Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2024-02-29 14:24:56 -08:00
mpls net: Remove the now superfluous sentinel elements from ctl_table array 2024-05-03 13:29:41 +01:00
mptcp Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2024-06-06 12:06:56 -07:00
ncsi net/ncsi: Fix the multi thread manner of NCSI driver 2024-06-01 16:21:44 -07:00
netfilter netfilter: nf_tables: Add flowtable map for xdp offload 2024-07-01 17:01:53 +02:00
netlabel netlabel: fix RCU annotation for IPv4 options on socket creation 2024-05-13 14:58:12 -07:00
netlink net: netlink: remove the cb_mutex "injection" from netlink core 2024-06-10 13:15:40 +01:00
netrom net-accept-more-20240515 2024-05-18 10:32:39 -07:00
nfc Quite smaller than usual. Notably it includes the fix for the unix 2024-05-23 12:49:37 -07:00
nsh nsh: Restore skb->{protocol,data,mac_header} for outer header in nsh_gso_segment(). 2024-04-26 12:20:01 +02:00
openvswitch openvswitch: Remove generic .ndo_get_stats64 2024-06-04 16:06:37 +02:00
packet net: Add additional bit to support clockid_t timestamp type 2024-05-23 14:14:36 -07:00
phonet net: change proto and proto_ops accept type 2024-05-13 18:19:09 -06:00
psample ip_tunnel: convert __be16 tunnel flags to bitmaps 2024-04-01 10:49:28 +01:00
qrtr net: qrtr: ns: Fix module refcnt 2024-05-16 09:47:45 +01:00
rds net: change proto and proto_ops accept type 2024-05-13 18:19:09 -06:00
rfkill net: rfkill: gpio: Convert to platform remove callback returning void 2024-03-25 15:40:22 +01:00
rose net: change proto and proto_ops accept type 2024-05-13 18:19:09 -06:00
rxrpc Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2024-05-09 10:01:01 -07:00
sched Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2024-06-06 12:06:56 -07:00
sctp net: change proto and proto_ops accept type 2024-05-13 18:19:09 -06:00
smc Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2024-06-06 12:06:56 -07:00
strparser
sunrpc NFS client updates for Linux 6.10 2024-05-23 13:51:09 -07:00
switchdev net: bridge: switchdev: Improve error message for port_obj_add/del functions 2024-05-08 12:19:12 +01:00
tipc tracing/treewide: Remove second parameter of __assign_str() 2024-05-22 20:14:47 -04:00
tls tcp: add a helper for setting EOR on tail skb 2024-06-04 13:23:30 +02:00
unix Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2024-06-06 12:06:56 -07:00
vmw_vsock virtio: features, fixes, cleanups 2024-05-23 12:04:36 -07:00
wireless wireless-next patches for v6.11 2024-06-10 17:40:26 -07:00
x25 net: change proto and proto_ops accept type 2024-05-13 18:19:09 -06:00
xdp Revert "xsk: Support redirect to any socket bound to the same umem" 2024-06-05 09:42:30 +02:00
xfrm net: fix __dst_negative_advice() race 2024-05-29 17:34:49 -07:00
compat.c file: stop exposing receive_fd_user() 2023-12-12 14:24:14 +01:00
devres.c
Kconfig net: allow rps/rfs related configs to be switched 2024-06-06 13:18:48 +02:00
Kconfig.debug
Makefile af_unix: Remove CONFIG_UNIX_SCM. 2024-01-31 16:41:16 -08:00
socket.c net: have do_accept() take a struct proto_accept_arg argument 2024-05-13 18:19:19 -06:00
sysctl_net.c sysctl: treewide: constify argument ctl_table_root::permissions(table) 2024-04-24 09:43:54 +02:00