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ef69aa3a98
linux/net
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Lorenzo Bianconi ef69aa3a98 net: netfilter: Add kfuncs to set and change CT status 
Introduce bpf_ct_set_status and bpf_ct_change_status kfunc helpers in
order to set nf_conn field of allocated entry or update nf_conn status
field of existing inserted entry. Use nf_ct_change_status_common to
share the permitted status field changes between netlink and BPF side
by refactoring ctnetlink_change_status.

It is required to introduce two kfuncs taking nf_conn___init and nf_conn
instead of sharing one because KF_TRUSTED_ARGS flag causes strict type
checking. This would disallow passing nf_conn___init to kfunc taking
nf_conn, and vice versa. We cannot remove the KF_TRUSTED_ARGS flag as we
only want to accept refcounted pointers and not e.g. ct->master.

Hence, bpf_ct_set_* kfuncs are meant to be used on allocated CT, and
bpf_ct_change_* kfuncs are meant to be used on inserted or looked up
CT entry.

Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Co-developed-by: Kumar Kartikeya Dwivedi <memxor@gmail.com>
Signed-off-by: Kumar Kartikeya Dwivedi <memxor@gmail.com>
Link: https://lore.kernel.org/r/20220721134245.2450-10-memxor@gmail.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2022-07-21 21:03:16 -07:00
..
6lowpan net: 6lowpan: constify lowpan_nhc structures 2022-06-09 21:53:28 +02:00
9p xen: switch gnttab_end_foreign_access() to take a struct page pointer 2022-05-27 11:05:29 +02:00
802
8021q vlan: adopt u64_stats_t 2022-06-09 21:53:09 -07:00
appletalk net: remove noblock parameter from skb_recv_datagram() 2022-04-06 13:45:26 +01:00
atm net: SO_RCVMARK socket option for SO_MARK with recvmsg() 2022-04-28 13:08:15 -07:00
ax25 ax25: use GFP_KERNEL in ax25_dev_device_up() 2022-06-17 20:34:13 -07:00
batman-adv net: wrap the wireless pointers in struct net_device in an ifdef 2022-05-22 21:51:54 +01:00
bluetooth Bluetooth: core: Fix deadlock on hci_power_on_sync. 2022-07-05 13:20:03 -07:00
bpf bpf: Add support for forcing kfunc args to be trusted 2022-07-21 21:03:09 -07:00
bpfilter uaccess: remove CONFIG_SET_FS 2022-02-25 09:36:06 +01:00
bridge Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2022-06-30 16:31:00 -07:00
caif net: remove noblock parameter from skb_recv_datagram() 2022-04-06 13:45:26 +01:00
can Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2022-07-07 12:07:37 -07:00
ceph libceph: use swap() macro instead of taking tmp variable 2022-05-25 20:45:13 +02:00
core bpf: Don't redirect packets with invalid pkt_len 2022-07-19 09:50:54 -07:00
dcb net: dcb: disable softirqs in dcbnl_flush_dev() 2022-03-03 08:01:55 -08:00
dccp Revert "net: Add a second bind table hashed by port and address" 2022-06-16 11:07:59 -07:00
decnet net, neigh: introduce interval_probe_time_ms for periodic probe 2022-06-30 13:14:35 +02:00
dns_resolver
dsa net: dsa: tag_ksz: add tag handling for Microchip LAN937x 2022-07-02 16:34:05 +01:00
ethernet net: ethernet: set default assignment identifier to NET_NAME_ENUM 2022-04-07 21:04:03 -07:00
ethtool Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2022-06-23 12:33:24 -07:00
hsr net: add per-cpu storage and net->core_stats 2022-03-11 23:17:24 -08:00
ieee802154 net: SO_RCVMARK socket option for SO_MARK with recvmsg() 2022-04-28 13:08:15 -07:00
ife
ipv4 bpf: Switch to new kfunc flags infrastructure 2022-07-21 20:59:42 -07:00
ipv6 net: Find dst with sk's xfrm policy not ctl_sk 2022-07-11 13:39:56 +01:00
iucv net: keep sk->sk_forward_alloc as small as possible 2022-06-10 16:21:27 -07:00
kcm
key Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec 2022-06-01 17:44:04 -07:00
l2tp l2tp: l2tp_debugfs: fix Clang -Wformat warnings 2022-07-08 12:14:36 +01:00
l3mdev l3mdev: l3mdev_master_upper_ifindex_by_index_rcu should be using netdev_master_upper_dev_get_rcu 2022-04-15 14:27:24 -07:00
lapb
llc net: rename reference+tracking helpers 2022-06-09 21:52:55 -07:00
mac80211 wireless-next patches for v5.20 2022-06-10 08:57:35 -07:00
mac802154 net: mac802154: Fix symbol durations 2022-04-30 20:29:47 +02:00
mctp Networking changes for 5.19. 2022-05-25 12:22:58 -07:00
mpls net: mpls: fix memdup.cocci warning 2022-04-07 21:06:41 -07:00
mptcp mptcp: move MPTCPOPT_HMAC_LEN to net/mptcp.h 2022-07-09 12:19:23 +01:00
ncsi net/ncsi: use proper "mellanox" DT vendor prefix 2022-06-23 20:51:06 -07:00
netfilter net: netfilter: Add kfuncs to set and change CT status 2022-07-21 21:03:16 -07:00
netlabel netlabel: fix out-of-bounds memory accesses 2022-03-21 10:59:11 +00:00
netlink Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2022-05-12 16:15:30 -07:00
netrom net: remove noblock parameter from skb_recv_datagram() 2022-04-06 13:45:26 +01:00
nfc net: nfc: Directly use ida_alloc()/free() 2022-05-28 15:28:47 +01:00
nsh
openvswitch Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2022-06-23 12:33:24 -07:00
packet net: rename reference+tracking helpers 2022-06-09 21:52:55 -07:00
phonet net: remove noblock parameter from recvmsg() entities 2022-04-12 15:00:25 +02:00
psample
qrtr net: remove noblock parameter from skb_recv_datagram() 2022-04-06 13:45:26 +01:00
rds Linux 5.18 2022-05-24 12:40:28 -03:00
rfkill rfkill: make new event layout opt-in 2022-03-18 13:09:17 +02:00
rose net: rose: fix UAF bug caused by rose_t0timer_expiry 2022-07-06 19:49:11 -07:00
rxrpc net: rxrpc: fix clang -Wformat warning 2022-07-08 20:15:11 -07:00
sched Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2022-07-07 12:07:37 -07:00
sctp net: keep sk->sk_forward_alloc as small as possible 2022-06-10 16:21:27 -07:00
smc net: rename reference+tracking helpers 2022-06-09 21:52:55 -07:00
strparser strparser: pad sk_skb_cb to avoid straddling cachelines 2022-07-08 18:38:44 -07:00
sunrpc Notable regression fixes: 2022-07-02 11:20:56 -07:00
switchdev net: rename reference+tracking helpers 2022-06-09 21:52:55 -07:00
tipc Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2022-06-30 16:31:00 -07:00
tls tls: rx: make tls_wait_data() return an recvmsg retcode 2022-07-08 18:38:45 -07:00
unix Merge https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next 2022-07-09 12:24:16 -07:00
vmw_vsock hyperv-next for 5.19 2022-05-28 11:39:01 -07:00
wireless wireless-next patches for v5.19 2022-05-19 13:01:08 -07:00
x25 x25: remove redundant pointer dev 2022-05-10 11:59:22 +02:00
xdp xsk: Mark napi_id on sendmsg() 2022-07-14 22:45:34 +02:00
xfrm net: rename reference+tracking helpers 2022-06-09 21:52:55 -07:00
compat.c
devres.c
Kconfig page_pool: Add allocation stats 2022-03-03 09:55:28 +00:00
Kconfig.debug net: CONFIG_DEBUG_NET depends on CONFIG_NET 2022-06-02 10:15:05 -07:00
Makefile
socket.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2022-06-30 16:31:00 -07:00
sysctl_net.c