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linux-stable/net/ipv4
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Yousuk Seung e7ed11ee94 tcp: add TTL to SCM_TIMESTAMPING_OPT_STATS 
This patch adds TCP_NLA_TTL to SCM_TIMESTAMPING_OPT_STATS that exports
the time-to-live or hop limit of the latest incoming packet with
SCM_TSTAMP_ACK. The value exported may not be from the packet that acks
the sequence when incoming packets are aggregated. Exporting the
time-to-live or hop limit value of incoming packets helps to estimate
the hop count of the path of the flow that may change over time.

Signed-off-by: Yousuk Seung <ysseung@google.com>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Neal Cardwell <ncardwell@google.com>
Link: https://lore.kernel.org/r/20210120204155.552275-1-ysseung@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2021-01-22 18:20:52 -08:00
..
bpfilter
net: Revert "net: optimize the sockptr_t for unified kernel/user address spaces"
2020-08-10 12:06:44 -07:00
netfilter
netfilter: rpfilter: mask ecn bits before fib lookup
2021-01-19 13:54:30 -08:00
af_inet.c
bpf: Allow bpf_{s,g}etsockopt from cgroup bind{4,6} hooks
2020-12-02 13:25:11 -08:00
ah4.c
inet: Use fallthrough;
2020-03-12 15:55:00 -07:00
arp.c
net: Exempt multicast addresses from five-second neighbor lifetime
2020-11-13 14:24:39 -08:00
bpf_tcp_ca.c
bpf: Remove hard-coded btf_vmlinux assumption from BPF verifier
2020-12-03 17:38:21 -08:00
cipso_ipv4.c
cipso: fix 'audit_secid' kernel-doc warning in cipso_ipv4.c
2020-09-08 20:03:36 -07:00
datagram.c
inet: stop leaking jiffies on the wire
2019-11-01 14:57:52 -07:00
devinet.c
treewide: rename nla_strlcpy to nla_strscpy.
2020-11-16 08:08:54 -08:00
esp4_offload.c
net: Add MODULE_DESCRIPTION entries to network modules
2020-06-20 21:33:57 -07:00
esp4.c
esp: avoid unneeded kmap_atomic call
2021-01-11 18:20:09 -08:00
fib_frontend.c
ipv4: Ignore ECN bits for fib lookups in fib_compute_spec_dst()
2020-12-28 14:44:32 -08:00
fib_lookup.h
net: add net available in build_state
2020-03-29 22:30:57 -07:00
fib_notifier.c
net: fib_notifier: propagate extack down to the notifier block callback
2019-10-04 11:10:56 -07:00
fib_rules.c
fib: use indirect call wrappers in the most common fib_rules_ops
2020-07-28 17:42:31 -07:00
fib_semantics.c
treewide: rename nla_strlcpy to nla_strscpy.
2020-11-16 08:08:54 -08:00
fib_trie.c
nexthop: Remove in-kernel route notifications when nexthop changes
2020-11-06 11:28:50 -08:00
fou.c
genetlink: move to smaller ops wherever possible
2020-10-02 19:11:11 -07:00
gre_demux.c
erspan: fix version 1 check in gre_parse_header()
2020-12-28 15:00:00 -08:00
gre_offload.c
ip_gre: remove CRC flag from dev features in gre_gso_segment
2021-01-20 22:15:04 -08:00
icmp.c
lsm,selinux: pass flowi_common instead of flowi to the LSM hooks
2020-11-23 18:36:21 -05:00
igmp.c
ip*_mc_gsfget(): lift copyout of struct group_filter into callers
2020-05-20 20:31:27 -04:00
inet_connection_sock.c
tcp: fix TCP_USER_TIMEOUT with zero window
2021-01-18 19:59:17 -08:00
inet_diag.c
inet_diag: Fix error path to cancel the meseage in inet_req_diag_fill()
2020-11-17 16:08:36 -08:00
inet_fragment.c
inet: frags: batch fqdir destroy works
2020-12-12 15:08:54 -08:00
inet_hashtables.c
tcp: fix race condition when creating child sockets from syncookies
2020-11-23 16:32:33 -08:00
inet_timewait_sock.c
net: Use generic ns_common::count
2020-08-19 14:06:36 +02:00
inetpeer.c
inetpeer: fix data-race in inet_putpeer / inet_putpeer
2019-11-07 16:15:56 -08:00
ip_forward.c
ipv4: Revert removal of rt_uses_gateway
2019-09-20 18:23:33 -07:00
ip_fragment.c
inet: frags: re-introduce skb coalescing for local delivery
2019-08-08 15:55:10 -07:00
ip_gre.c
ipv4/ipv6: switch to dev_get_tstats64
2020-11-09 17:50:28 -08:00
ip_input.c
bpf: Add socket assign support
2020-03-30 13:45:04 -07:00
ip_options.c
net: clean up codestyle for net/ipv4
2020-08-25 06:28:02 -07:00
ip_output.c
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2021-01-08 13:28:00 -08:00
ip_sockglue.c
net: Remove duplicated midx check against 0
2020-08-25 06:23:59 -07:00
ip_tunnel_core.c
net: ip_tunnel: clean up endianness conversions
2021-01-08 19:25:35 -08:00
ip_tunnel.c
net: fix pmtu check in nopmtudisc mode
2021-01-07 14:42:36 -08:00
ip_vti.c
vti: switch to dev_get_tstats64
2020-11-09 17:50:28 -08:00
ipcomp.c
ipcomp: assign if_id to child tunnel from parent tunnel
2020-07-09 12:55:37 +02:00
ipconfig.c
net: ipconfig: Avoid spurious blank lines in boot log
2020-11-12 14:53:33 -08:00
ipip.c
ipv4/ipv6: switch to dev_get_tstats64
2020-11-09 17:50:28 -08:00
ipmr_base.c
net: fib_notifier: propagate extack down to the notifier block callback
2019-10-04 11:10:56 -07:00
ipmr.c
ipmr: Use full VIF ID in netlink cache reports
2020-09-10 12:25:51 -07:00
Kconfig
net: ipv4: remove duplicate "the the" phrase in Kconfig text
2020-08-18 16:02:16 -07:00
Makefile
udp_tunnel: add central NIC RX port offload infrastructure
2020-07-10 13:54:00 -07:00
metrics.c
treewide: rename nla_strlcpy to nla_strscpy.
2020-11-16 08:08:54 -08:00
netfilter.c
netfilter: use actual socket sk rather than skb sk when routing harder
2020-10-30 12:57:39 +01:00
netlink.c
treewide: Add SPDX license identifier for missed files
2019-05-21 10:50:45 +02:00
nexthop.c
nexthop: Specialize rtm_nh_policy
2021-01-20 21:00:24 -08:00
ping.c
lsm,selinux: pass flowi_common instead of flowi to the LSM hooks
2020-11-23 18:36:21 -05:00
proc.c
net: udp: introduce UDP_MIB_MEMERRORS for udp_mem
2020-11-09 15:34:44 -08:00
protocol.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
raw_diag.c
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2020-03-12 22:34:48 -07:00
raw.c
lsm,selinux: pass flowi_common instead of flowi to the LSM hooks
2020-11-23 18:36:21 -05:00
route.c
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2020-12-03 15:44:09 -08:00
syncookies.c
selinux/stable-5.11 PR 20201214
2020-12-16 11:01:04 -08:00
sysctl_net_ipv4.c
tcp: reflect tos value received in SYN to the socket
2020-09-10 13:15:40 -07:00
tcp_bbr.c
tcp: only postpone PROBE_RTT if RTT is < current min_rtt estimate
2020-11-17 11:03:22 -08:00
tcp_bic.c
tcp: fix stretch ACK bugs in BIC
2020-03-16 18:26:54 -07:00
tcp_bpf.c
bpf, sockmap: Ensure SO_RCVBUF memory is observed on ingress redirect
2020-11-18 00:12:34 +01:00
tcp_cdg.c
treewide: Add SPDX license identifier for more missed files
2019-05-21 10:50:45 +02:00
tcp_cong.c
tcp: Set INET_ECN_xmit configuration in tcp_reinit_congestion_control
2020-11-20 18:09:47 -08:00
tcp_cubic.c
tcp_cubic: use memset and offsetof init
2021-01-15 20:22:16 -08:00
tcp_dctcp.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
tcp_dctcp.h
tcp: refactor DCTCP ECN ACK handling
2018-10-10 22:26:00 -07:00
tcp_diag.c
inet_diag: Move the INET_DIAG_REQ_BYTECODE nlattr to cb->data
2020-02-27 18:50:19 -08:00
tcp_fastopen.c
bpf: tcp: Add bpf_skops_established()
2020-08-24 14:35:00 -07:00
tcp_highspeed.c
Replace HTTP links with HTTPS ones: IPv*
2020-07-06 13:23:03 -07:00
tcp_htcp.c
Replace HTTP links with HTTPS ones: IPv*
2020-07-06 13:23:03 -07:00
tcp_hybla.c
treewide: Add SPDX license identifier for more missed files
2019-05-21 10:50:45 +02:00
tcp_illinois.c
treewide: Add SPDX license identifier for more missed files
2019-05-21 10:50:45 +02:00
tcp_input.c
tcp: add TTL to SCM_TIMESTAMPING_OPT_STATS
2021-01-22 18:20:52 -08:00
tcp_ipv4.c
tcp: Fix potential use-after-free due to double kfree()
2021-01-20 08:56:16 -08:00
tcp_lp.c
net: ipv4: Fix some kerneldoc warnings in TCP Low Priority
2020-10-30 12:10:57 -07:00
tcp_metrics.c
fixes-v5.11
2020-12-14 16:40:27 -08:00
tcp_minisocks.c
tcp: parse mptcp options contained in reset packets
2020-12-14 17:30:06 -08:00
tcp_nv.c
treewide: Add SPDX license identifier for more missed files
2019-05-21 10:50:45 +02:00
tcp_offload.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
tcp_output.c
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2021-01-20 12:16:11 -08:00
tcp_rate.c
treewide: Add SPDX license identifier for missed files
2019-05-21 10:50:45 +02:00
tcp_recovery.c
tcp: avoid slow start during fast recovery on new losses
2020-11-02 17:17:40 -08:00
tcp_scalable.c
net: ipv4: delete repeated words
2020-08-24 17:31:20 -07:00
tcp_timer.c
tcp: fix TCP socket rehash stats mis-accounting
2021-01-19 19:47:20 -08:00
tcp_ulp.c
bpf: sockmap: Only check ULP for TCP sockets
2020-03-09 22:34:58 +01:00
tcp_vegas.c
tcp: use semicolons rather than commas to separate statements
2020-10-13 17:11:52 -07:00
tcp_vegas.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
tcp_veno.c
Replace HTTP links with HTTPS ones: IPv*
2020-07-06 13:23:03 -07:00
tcp_westwood.c
treewide: Add SPDX license identifier for more missed files
2019-05-21 10:50:45 +02:00
tcp_yeah.c
tcp: fix stretch ACK bugs in Yeah
2020-03-16 18:26:55 -07:00
tcp.c
tcp: add TTL to SCM_TIMESTAMPING_OPT_STATS
2021-01-22 18:20:52 -08:00
tunnel4.c
tunnel4: add cb_handler to struct xfrm_tunnel
2020-07-09 12:51:36 +02:00
udp_bpf.c
net: sk_msg: Simplify sk_psock initialization
2020-08-21 15:16:11 -07:00
udp_diag.c
net: udp: remove redundant initialization in udp_dump_one
2020-11-09 16:42:49 -08:00
udp_impl.h
net: pass a sockptr_t into ->setsockopt
2020-07-24 15:41:54 -07:00
udp_offload.c
udp: not remove the CRC flag from dev features when need_csum is false
2021-01-20 22:14:59 -08:00
udp_tunnel_core.c
udp_tunnel: reshuffle NETIF_F_RX_UDP_TUNNEL_PORT checks
2021-01-07 12:53:29 -08:00
udp_tunnel_nic.c
udp_tunnel: add the ability to share port tables
2020-09-28 12:50:12 -07:00
udp_tunnel_stub.c
udp_tunnel: add central NIC RX port offload infrastructure
2020-07-10 13:54:00 -07:00
udp.c
udp: mask TOS bits in udp_v4_early_demux()
2021-01-19 13:54:30 -08:00
udplite.c
net/ipv4: remove compat_ip_{get,set}sockopt
2020-07-19 18:16:41 -07:00
xfrm4_input.c
xfrm: state: remove extract_input indirection from xfrm_state_afinfo
2020-05-06 09:40:08 +02:00
xfrm4_output.c
xfrm: fix unused variable warning if CONFIG_NETFILTER=n
2020-05-11 15:12:27 +02:00
xfrm4_policy.c
net: add bool confirm_neigh parameter for dst_ops.update_pmtu
2019-12-24 22:28:54 -08:00
xfrm4_protocol.c
xfrm: add route lookup to xfrm4_rcv_encap
2019-12-09 09:59:07 +01:00
xfrm4_state.c
xfrm: remove output_finish indirection from xfrm_state_afinfo
2020-05-06 09:40:08 +02:00
xfrm4_tunnel.c
xfrm: interface: fix the priorities for ipip and ipv6 tunnels
2020-10-09 12:29:48 +02:00