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f531d13bdf
linux/include/net
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Eyal Birger f531d13bdf xfrm: support sending NAT keepalives in ESP in UDP states 
Add the ability to send out RFC-3948 NAT keepalives from the xfrm stack.

To use, Userspace sets an XFRM_NAT_KEEPALIVE_INTERVAL integer property when
creating XFRM outbound states which denotes the number of seconds between
keepalive messages.

Keepalive messages are sent from a per net delayed work which iterates over
the xfrm states. The logic is guarded by the xfrm state spinlock due to the
xfrm state walk iterator.

Possible future enhancements:

- Adding counters to keep track of sent keepalives.
- deduplicate NAT keepalives between states sharing the same nat keepalive
  parameters.
- provisioning hardware offloads for devices capable of implementing this.
- revise xfrm state list to use an rcu list in order to avoid running this
  under spinlock.

Suggested-by: Paul Wouters <paul.wouters@aiven.io>
Tested-by: Paul Wouters <paul.wouters@aiven.io>
Tested-by: Antony Antony <antony.antony@secunet.com>
Signed-off-by: Eyal Birger <eyal.birger@gmail.com>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
2024-06-26 13:22:42 +02:00
..
9p netfs, 9p: Implement helpers for new write code 2024-05-01 18:07:37 +01:00
bluetooth Bluetooth: hci_core: Fix not handling hdev->le_num_of_adv_sets=1 2024-05-14 10:56:37 -04:00
caif net: caif: Remove unused declaration cfsrvl_ctrlcmd() 2023-08-10 18:24:48 -07:00
iucv s390/iucv: Unexport iucv_root 2024-05-14 20:21:04 +02:00
libeth libeth: add Rx buffer management 2024-04-24 11:06:25 -07:00
mana Merge branch mana-ib-flex of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma.git 2024-04-11 07:38:28 -07:00
netfilter netfilter: nf_tables: allow clone callbacks to sleep 2024-05-10 11:13:45 +02:00
netns xfrm: support sending NAT keepalives in ESP in UDP states 2024-06-26 13:22:42 +02:00
nfc nfc: core: make nfc_class constant 2024-03-05 11:21:18 -08:00
page_pool dma-mapping updates for Linux 6.10 2024-05-20 10:23:39 -07:00
phonet net: ioctl: Use kernel memory on protocol ioctl callbacks 2023-06-15 22:33:26 -07:00
sctp sctp: preserve const qualifier in sctp_sk() 2024-02-05 11:08:06 +00:00
tc_act net/sched: Retire ipt action 2024-01-02 12:41:16 +00:00
6lowpan.h
act_api.h net/sched: Add helper macros with module names 2024-02-02 10:57:55 -08:00
addrconf.h ipv6: fix race condition between ipv6_get_ifaddr and ipv6_del_addr 2024-04-09 17:09:05 -07:00
af_ieee802154.h
af_rxrpc.h rxrpc, afs: Allow afs to pin rxrpc_peer objects 2023-12-24 15:22:50 +00:00
af_unix.h Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2024-04-25 12:41:37 -07:00
af_vsock.h virtio/vsock: send credit update during setting SO_RCVLOWAT 2023-12-15 10:37:35 +00:00
ah.h
amt.h net: add missing includes and forward declarations under net/ 2022-07-22 12:53:22 +01:00
arp.h neighbour: switch to standard rcu, instead of rcu_bh 2023-03-21 21:32:18 -07:00
atmclip.h
ax25.h Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2024-05-14 10:53:19 -07:00
ax88796.h ax88796: Fix some typo in a comment 2022-08-09 22:14:02 -07:00
bareudp.h bareudp: Move definition of struct bareudp_conf to bareudp.c 2021-12-13 12:34:09 +00:00
bond_3ad.h bonding: Add independent control state machine 2024-02-06 13:17:54 +01:00
bond_alb.h bonding (gcc13): synchronize bond_{a,t}lb_xmit() types 2022-11-02 20:38:13 -07:00
bond_options.h bonding: Add independent control state machine 2024-02-06 13:17:54 +01:00
bonding.h bonding: Add independent control state machine 2024-02-06 13:17:54 +01:00
bpf_sk_storage.h bpf: struct sock is declared twice in bpf_sk_storage header 2021-03-26 17:43:55 +01:00
busy_poll.h net: add napi_busy_loop_rcu() 2024-02-09 10:01:09 -08:00
calipso.h
cfg80211-wext.h wifi: cfg80211: Avoid clashing function prototypes 2022-11-16 11:31:47 +02:00
cfg80211.h wifi: cfg80211: handle color change per link 2024-05-03 10:18:03 +02:00
cfg802154.h mac802154: fix llsec key resources release in mac802154_llsec_key_del 2024-03-06 21:01:26 +01:00
checksum.h net: checksum: drop the linux/uaccess.h include 2023-01-27 11:19:46 +00:00
cipso_ipv4.h netlabel: fix RCU annotation for IPv4 options on socket creation 2024-05-13 14:58:12 -07:00
cls_cgroup.h
codel_impl.h codel: remove unnecessary sock.h include 2021-12-22 15:03:47 -08:00
codel_qdisc.h net: add missing includes and forward declarations under net/ 2022-07-22 12:53:22 +01:00
codel.h codel: fix kernel-doc notation warnings 2023-07-14 20:39:29 -07:00
compat.h net: copy from user before calling __get_compat_msghdr 2022-07-24 18:39:17 -06:00
datalink.h net: datalink: Remove unused declarations 2023-07-27 17:17:32 -07:00
dcbevent.h net: add missing includes and forward declarations under net/ 2022-07-22 12:53:22 +01:00
dcbnl.h net: dcb: add helper functions to retrieve PCP and DSCP rewrite maps 2023-01-20 09:33:22 +00:00
devlink.h devlink: extend devlink_param *set pointer 2024-04-22 13:05:19 -07:00
dropreason-core.h tcp: introduce dropreasons in receive path 2024-02-28 10:39:21 +00:00
dropreason.h net: openvswitch: add last-action drop reason 2023-08-14 08:01:06 +01:00
dsa_stubs.h net: dsa: Use conduit and user terms 2023-10-24 13:08:14 -07:00
dsa.h net: dsa: add support switches global DSCP priority mapping 2024-05-08 10:35:10 +01:00
dscp.h net: add IEEE 802.1q specific helpers 2024-05-08 10:35:09 +01:00
dsfield.h
dst_cache.h net: dst_cache: annotate data-races around dst_cache->reset_ts 2024-05-08 18:49:51 -07:00
dst_metadata.h ip_tunnel: convert __be16 tunnel flags to bitmaps 2024-04-01 10:49:28 +01:00
dst_ops.h net: remove unnecessary input parameter 'how' in ifdown function 2023-08-22 13:19:02 +02:00
dst.h net: dst: Make dst_destroy() static and return void. 2024-02-06 11:45:53 +01:00
eee.h net: add helpers for EEE configuration 2024-03-05 19:21:17 -08:00
erspan.h net: add missing includes and forward declarations under net/ 2022-07-22 12:53:22 +01:00
esp.h net: add missing includes and forward declarations under net/ 2022-07-22 12:53:22 +01:00
espintcp.h inet: preserve const qualifier in inet_csk() 2024-04-01 21:27:08 -07:00
ethoc.h net: add missing includes and forward declarations under net/ 2022-07-22 12:53:22 +01:00
failover.h net: failover: add net device refcount tracker 2021-12-06 16:06:02 -08:00
fib_notifier.h
fib_rules.h fib: remove unnecessary input parameters in fib_default_rule_add 2024-01-03 16:42:48 -08:00
firewire.h firewire: net: Make use of get_unaligned_be48(), put_unaligned_be48() 2022-07-28 22:21:54 -07:00
flow_dissector.h ip_tunnel: convert __be16 tunnel flags to bitmaps 2024-04-01 10:49:28 +01:00
flow_offload.h flow_offload: add control flag checking helpers 2024-04-15 10:33:14 +01:00
flow.h inet: shrink struct flowi_common 2023-11-02 09:31:02 +01:00
fou.h bpf,fou: Add bpf_skb_{set,get}_fou_encap kfuncs 2023-04-12 16:40:39 -07:00
fq_impl.h wifi: mac80211: add support for restricting netdev features per vif 2022-12-01 15:09:10 +01:00
fq.h net: fq: Remove unused typedef fq_flow_get_default_t 2023-08-08 15:58:23 -07:00
garp.h net: add missing includes and forward declarations under net/ 2022-07-22 12:53:22 +01:00
gen_stats.h net: sched: Remove Qdisc::running sequence counter 2021-10-18 12:54:41 +01:00
genetlink.h genetlink: remove linux/genetlink.h 2024-04-01 21:44:34 -07:00
geneve.h net: geneve: fix array of flexible structures warnings 2022-10-31 10:43:04 +00:00
gre.h ip_tunnel: convert __be16 tunnel flags to bitmaps 2024-04-01 10:49:28 +01:00
gro_cells.h
gro.h net: gro: fix napi_gro_cb zeroed alignment 2024-05-14 10:49:50 -07:00
gso.h net: move gso declarations and functions to their own files 2023-06-10 00:11:41 -07:00
gtp.h gtp: properly parse extension headers 2024-05-07 01:35:55 +02:00
gue.h net: add missing includes and forward declarations under net/ 2022-07-22 12:53:22 +01:00
handshake.h net/handshake: Add helpers for parsing incoming TLS Alerts 2023-07-28 14:07:59 -07:00
hotdata.h net: move sysctl_mem_pcpu_rsv to net_hotdata 2024-04-30 18:46:52 -07:00
hwbm.h net: add missing includes and forward declarations under net/ 2022-07-22 12:53:22 +01:00
icmp.h ipv6: ICMPV6: add response to ICMPV6 RFC 8335 PROBE messages 2021-06-28 14:29:45 -07:00
ieee8021q.h net: add IEEE 802.1q specific helpers 2024-05-08 10:35:09 +01:00
ieee80211_radiotap.h wifi: radiotap: add bandwidth definition of EHT U-SIG 2023-10-12 15:14:27 +03:00
ieee802154_netdev.h mac802154: Handle association requests from peers 2023-11-20 11:43:03 +01:00
if_inet6.h ipv6: anycast: complete RCU handling of struct ifacaddr6 2024-02-26 18:40:34 -08:00
ife.h
inet6_connection_sock.h net: add missing includes and forward declarations under net/ 2022-07-22 12:53:22 +01:00
inet6_hashtables.h net: Fix slab-out-of-bounds in inet[6]_steal_sock 2023-08-15 13:57:51 -07:00
inet_common.h net: change proto and proto_ops accept type 2024-05-13 18:19:09 -06:00
inet_connection_sock.h net: change proto and proto_ops accept type 2024-05-13 18:19:09 -06:00
inet_dscp.h ipv6: Define dscp_t and stop taking ECN bits into account in fib6-rules 2022-02-07 20:12:45 -08:00
inet_ecn.h net: add skb_get_dsfield() helper 2021-10-15 11:33:08 +01:00
inet_frag.h inet: frags: eliminate kernel-doc warning 2023-07-14 20:39:29 -07:00
inet_hashtables.h tcp: Remove dead code and fields for bhash2. 2023-12-22 22:15:35 +00:00
inet_sock.h inet: Add getsockopt support for IP_ROUTER_ALERT and IPV6_ROUTER_ALERT 2024-03-06 12:37:06 +00:00
inet_timewait_sock.h tcp/dccp: do not care about families in inet_twsk_purge() 2024-04-01 21:27:58 -07:00
inetpeer.h
ioam6.h net: ioam6: multicast event 2024-02-28 11:19:41 +00:00
ip6_checksum.h net: move gro definitions to include/net/gro.h 2021-11-16 13:16:54 +00:00
ip6_fib.h ipv6: introduce dst_rt6_info() helper 2024-04-29 13:32:01 +01:00
ip6_route.h ipv6: introduce dst_rt6_info() helper 2024-04-29 13:32:01 +01:00
ip6_tunnel.h ip_tunnel: convert __be16 tunnel flags to bitmaps 2024-04-01 10:49:28 +01:00
ip_fib.h inet: allow ip_valid_fib_dump_req() to be called with RTNL or RCU 2024-02-26 11:46:12 +00:00
ip_tunnels.h Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2024-04-11 14:23:47 -07:00
ip_vs.h ipvs: Correct spelling in comments 2023-04-22 01:39:41 +02:00
ip.h inet: introduce dst_rtable() helper 2024-04-30 18:32:38 -07:00
ipcomp.h xfrm: ipcomp: add extack to ipcomp{4,6}_init_state 2022-09-29 07:18:00 +02:00
ipconfig.h net: add missing includes and forward declarations under net/ 2022-07-22 12:53:22 +01:00
ipv6_frag.h net: dropreason: add SKB_DROP_REASON_FRAG_REASM_TIMEOUT 2022-10-31 20:14:27 -07:00
ipv6_stubs.h xfrm: support sending NAT keepalives in ESP in UDP states 2024-06-26 13:22:42 +02:00
ipv6.h ipv6: annotate data-races around cnf.forwarding 2024-03-01 08:42:31 +00:00
iw_handler.h wifi: wext: Remove unused declaration dev_get_wireless_info() 2023-08-22 21:40:40 +02:00
kcm.h kcm: Send multiple frags in one sendmsg() 2023-06-12 21:13:23 -07:00
l3mdev.h
lag.h
lapb.h net: lapb: Make "lapb_t1timer_running" able to detect an already running timer 2021-03-23 14:14:50 -07:00
lib80211.h
llc_c_ac.h net: llc: Remove unused function declarations 2023-08-04 15:33:17 -07:00
llc_c_ev.h net: llc: Remove unused function declarations 2023-08-04 15:33:17 -07:00
llc_c_st.h net: add missing includes and forward declarations under net/ 2022-07-22 12:53:22 +01:00
llc_conn.h llc: Check netns in llc_estab_match() and llc_listener_match(). 2023-07-20 10:46:28 +02:00
llc_if.h llc/snap: constify dev_addr passing 2021-10-13 09:40:46 -07:00
llc_pdu.h llc: Drop support for ETH_P_TR_802_2. 2024-01-19 21:30:09 -08:00
llc_s_ac.h net: add missing includes and forward declarations under net/ 2022-07-22 12:53:22 +01:00
llc_s_ev.h net: add missing includes and forward declarations under net/ 2022-07-22 12:53:22 +01:00
llc_s_st.h add missing includes and forward declarations to networking includes under linux/ 2022-07-28 11:29:36 +02:00
llc_sap.h
llc.h llc: fix out-of-bound array index in llc_sk_dev_hash() 2021-11-07 19:25:29 +00:00
lwtunnel.h lwt: Check LWTUNNEL_XMIT_CONTINUE strictly 2023-08-18 16:05:26 +02:00
mac80211.h wifi: mac80211: handle color change per link 2024-05-03 10:18:19 +02:00
mac802154.h mac802154: Drop IEEE802154_HW_RX_DROP_BAD_CKSUM 2022-10-12 12:57:19 +02:00
macsec.h macsec: Enable devices to advertise whether they update sk_buff md_dst during offloads 2024-04-25 08:20:54 -07:00
mctp.h Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2024-02-29 14:24:56 -08:00
mctpdevice.h mctp: Pass flow data & flow release events to drivers 2021-10-29 13:23:51 +01:00
mip6.h
mld.h mld: add new workqueues for process mld events 2021-03-26 15:14:56 -07:00
mpls_iptunnel.h net: add missing includes and forward declarations under net/ 2022-07-22 12:53:22 +01:00
mpls.h
mptcp.h mptcp: add net.mptcp.available_schedulers 2024-05-13 18:29:23 -07:00
mrp.h mrp: introduce active flags to prevent UAF when applicant uninit 2022-11-18 12:14:55 +00:00
ncsi.h net: add missing includes and forward declarations under net/ 2022-07-22 12:53:22 +01:00
ndisc.h ndisc: Remove unused ndisc_ifinfo_sysctl_strategy() declaration 2023-08-07 08:53:55 +01:00
neighbour.h neighbour: Fix __randomize_layout crash in struct neighbour 2023-11-28 12:18:29 +01:00
net_debug.h net: add CONFIG_DEBUG_NET 2022-05-11 12:43:10 +01:00
net_failover.h
net_namespace.h net: add exit_batch_rtnl() method 2024-02-07 18:55:10 -08:00
net_ratelimit.h
net_trackers.h net: add networking namespace refcount tracker 2021-12-10 06:38:26 -08:00
netdev_queues.h netdev: Add queue stats for TX stop and wake 2024-05-13 14:58:36 -07:00
netdev_rx_queue.h net: Add queue and napi association 2023-12-04 18:04:05 -08:00
netevent.h net: add missing includes and forward declarations under net/ 2022-07-22 12:53:22 +01:00
netkit.h bpf, netkit: Add indirect call wrapper for fetching peer dev 2023-11-20 10:15:16 -08:00
netlabel.h The usual shower of singleton fixes and minor series all over MM, 2024-05-19 09:21:03 -07:00
netlink.h The usual shower of singleton fixes and minor series all over MM, 2024-05-19 09:21:03 -07:00
netmem.h net: introduce abstraction for network memory 2024-02-20 09:22:58 +01:00
netprio_cgroup.h
netrom.h net: add missing includes and forward declarations under net/ 2022-07-22 12:53:22 +01:00
nexthop.h net: add two more call_rcu_hurry() 2024-04-25 15:24:23 -07:00
nl802154.h ieee802154: Give the user the association list 2023-11-20 11:43:45 +01:00
nsh.h net: NSH: fix kernel-doc notation warning 2023-07-14 20:39:29 -07:00
p8022.h net: 802: Remove unused function declarations 2023-08-04 15:33:50 -07:00
pfcp.h pfcp: always set pfcp metadata 2024-04-01 10:49:28 +01:00
pie.h pie: fix kernel-doc notation warning 2023-07-14 20:39:30 -07:00
ping.h net/ipv4: ping_group_range: allow GID from 2147483648 to 4294967294 2023-06-02 09:55:22 +01:00
pkt_cls.h net: sched: make skip_sw actually skip software 2024-03-29 09:46:39 +00:00
pkt_sched.h net/sched: Add helper macros with module names 2024-02-02 10:57:55 -08:00
pptp.h net: add missing includes and forward declarations under net/ 2022-07-22 12:53:22 +01:00
proto_memory.h net: move sysctl_mem_pcpu_rsv to net_hotdata 2024-04-30 18:46:52 -07:00
protocol.h ipv6: move tcp_ipv6_hash_secret and udp_ipv6_hash_secret to net_hotdata 2024-03-07 21:12:43 -08:00
psample.h psample: Add a fwd declaration for skbuff 2021-08-09 15:34:21 -07:00
psnap.h net: add missing includes and forward declarations under net/ 2022-07-22 12:53:22 +01:00
raw.h Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2023-04-06 12:01:20 -07:00
rawv6.h ipv6: raw: constify raw_v6_match() socket argument 2023-03-17 08:56:37 +00:00
red.h net_sched: sch_choke: implement lockless choke_dump() 2024-04-19 11:34:07 +01:00
regulatory.h wifi: cfg80211: save power spectral density(psd) of regulatory rule 2023-09-18 09:44:05 +02:00
request_sock.h The usual shower of singleton fixes and minor series all over MM, 2024-05-19 09:21:03 -07:00
rose.h net: rose: add netdev ref tracker to 'struct rose_sock' 2022-08-01 11:59:23 -07:00
route.h inet: introduce dst_rtable() helper 2024-04-30 18:32:38 -07:00
rpl.h ipv6: rpl: Remove pskb(_may)?_pull() in ipv6_rpl_srh_rcv(). 2023-06-19 11:32:58 -07:00
rps.h net: rps: add rps_input_queue_head_add() helper 2024-04-01 11:28:32 +01:00
rsi_91x.h rsi: remove kernel-doc comment marker 2023-07-14 20:39:30 -07:00
rstreason.h tcp: rstreason: fully support in tcp_check_req() 2024-05-13 17:33:57 -07:00
rtnetlink.h rtnetlink: add RTNL_FLAG_DUMP_UNLOCKED flag 2024-02-26 11:46:12 +00:00
rtnh.h
sch_generic.h net/sched: fix false lockdep warning on qdisc root lock 2024-04-26 10:46:41 +02:00
scm.h af_unix: Add dead flag to struct scm_fp_list. 2024-05-10 18:52:45 -07:00
secure_seq.h net: add missing includes and forward declarations under net/ 2022-07-22 12:53:22 +01:00
seg6_hmac.h
seg6_local.h
seg6.h udp6: Use Segment Routing Header for dest address if present 2022-01-04 12:17:35 +00:00
selftests.h net: selftest: fix build issue if INET is disabled 2021-04-28 14:06:45 -07:00
slhc_vj.h
smc.h net/smc: add operations to merge sndbuf with peer DMB 2024-04-30 13:24:48 +02:00
snmp.h
sock_reuseport.h soreuseport: Fix socket selection for SO_INCOMING_CPU. 2022-10-25 11:35:16 +02:00
sock.h net: pass back whether socket was empty post accept 2024-05-13 18:19:20 -06:00
Space.h net: appletalk: remove cops support 2023-10-04 11:49:20 -07:00
stp.h net: add missing includes and forward declarations under net/ 2022-07-22 12:53:22 +01:00
strparser.h tls: rx: remove the message decrypted tracking 2022-07-18 11:24:10 +01:00
switchdev.h net: bridge: switchdev: Skip MDB replays of deferred events on offload 2024-02-16 09:36:37 +00:00
tc_wrapper.h Merge branch 'x86/bugs' into x86/core, to pick up pending changes before dependent patches 2024-02-14 10:49:37 +01:00
tcp_ao.h Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2024-01-04 18:06:46 -08:00
tcp_states.h tcp: Dump bound-only sockets in inet_diag. 2023-12-04 14:45:26 -08:00
tcp.h bpf-next-for-netdev 2024-05-13 16:41:10 -07:00
tcx.h mm: change inlined allocation helpers to account at the call site 2024-04-25 20:55:59 -07:00
timewait_sock.h tcp: get rid of twsk_unique() 2024-05-09 20:25:55 -07:00
tipc.h
tls_prot.h net/tls: Add TLS Alert definitions 2023-07-28 14:07:59 -07:00
tls_toe.h
tls.h Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2024-04-25 12:41:37 -07:00
transp_v6.h inet6: Remove unused function declaration udpv6_connect() 2023-08-01 15:06:27 -07:00
tso.h net: tso: inline tso_count_descs() 2022-12-12 15:04:39 -08:00
tun_proto.h net: add missing includes and forward declarations under net/ 2022-07-22 12:53:22 +01:00
udp_tunnel.h ip_tunnel: convert __be16 tunnel flags to bitmaps 2024-04-01 10:49:28 +01:00
udp.h new helper: copy_to_iter_full() 2024-04-07 02:42:36 -04:00
udplite.h udplite: fix various data-races 2023-09-14 16:16:36 +02:00
vsock_addr.h
vxlan.h vxlan: add support for flowlabel inherit 2023-11-16 22:33:31 +00:00
wext.h
x25.h x25: preserve const qualifier in [a]x25_sk() 2023-03-18 12:23:34 +00:00
x25device.h
xdp_priv.h net: add missing includes and forward declarations under net/ 2022-07-22 12:53:22 +01:00
xdp_sock_drv.h xsk: use generic DMA sync shortcut instead of a custom one 2024-05-08 08:51:20 +02:00
xdp_sock.h xsk: Don't assume metadata is always requested in TX completion 2024-03-19 13:47:29 +01:00
xdp.h net, xdp: Correct grammar 2023-12-14 16:38:59 +01:00
xfrm.h xfrm: support sending NAT keepalives in ESP in UDP states 2024-06-26 13:22:42 +02:00
xsk_buff_pool.h xsk: use generic DMA sync shortcut instead of a custom one 2024-05-08 08:51:20 +02:00