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linux/net/core
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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
..
bpf_sk_storage.c
bpf: Expose bpf_sk_storage_* to iterator programs
2020-12-04 22:32:40 +01:00
datagram.c
net: datagram: fix some kernel-doc markups
2020-11-17 14:15:03 -08:00
datagram.h
net/core: Allow the compiler to verify declaration and definition consistency
2019-03-27 13:49:44 -07:00
dev_addr_lists.c
net: core: add nested_level variable in net_device
2020-09-28 15:00:15 -07:00
dev_ioctl.c
net: dev_ioctl: remove redundant initialization of variable err
2020-11-03 17:49:26 -08:00
dev.c
tcp: add TTL to SCM_TIMESTAMPING_OPT_STATS
2021-01-22 18:20:52 -08:00
devlink.c
net: core: devlink: use right genl user_ptr when handling port param get/set
2021-01-19 11:45:41 -08:00
drop_monitor.c
genetlink: move to smaller ops wherever possible
2020-10-02 19:11:11 -07:00
dst_cache.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
dst.c
net: Correct the comment of dst_dev_put()
2020-09-10 13:28:57 -07:00
failover.c
failover: allow name change on IFF_UP slave interfaces
2019-04-10 22:12:26 -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
treewide: rename nla_strlcpy to nla_strscpy.
2020-11-16 08:08:54 -08:00
filter.c
bpf: Allow to retrieve sol_socket opts from sock_addr progs
2021-01-12 14:44:53 -08:00
flow_dissector.c
net/sched: cls_flower add CT_FLAGS_INVALID flag support
2021-01-20 21:09:44 -08:00
flow_offload.c
net: flow_offload: Fix memory leak for indirect flow block
2020-12-09 16:08:33 -08:00
gen_estimator.c
net_sched: gen_estimator: support large ewma log
2021-01-15 18:11:06 -08:00
gen_stats.c
docs: networking: convert gen_stats.txt to ReST
2020-04-28 14:39:46 -07:00
gro_cells.c
gro_cells: reduce number of synchronize_net() calls
2020-11-25 11:28:12 -08:00
hwbm.c
net: hwbm: Make the hwbm_pool lock a mutex
2019-06-09 19:40:10 -07:00
link_watch.c
net: Add IF_OPER_TESTING
2020-04-20 12:43:24 -07:00
lwt_bpf.c
lwt_bpf: Replace preempt_disable() with migrate_disable()
2020-12-07 11:53:40 -08:00
lwtunnel.c
net: ipv6: add rpl sr tunnel
2020-03-29 22:30:57 -07:00
Makefile
ethtool: move to its own directory
2019-12-12 17:07:05 -08:00
neighbour.c
neighbor: remove definition of DEBUG
2021-01-15 17:51:18 -08:00
net_namespace.c
Merge tag 'fixes-v5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/brauner/linux
2020-12-14 16:40:27 -08:00
net-procfs.c
net-sysfs: add backlog len and CPU id to softnet data
2020-09-21 13:56:37 -07:00
net-sysfs.c
net-sysfs: take the rtnl lock when accessing xps_rxqs_map and num_tc
2020-12-28 13:26:46 -08:00
net-sysfs.h
net-sysfs: add netdev_change_owner()
2020-02-26 20:07:25 -08:00
net-traces.c
page_pool: add tracepoints for page_pool with details need by XDP
2019-06-19 11:23:13 -04:00
netclassid_cgroup.c
net: Remove the err argument from sock_from_file
2020-12-04 22:32:40 +01:00
netevent.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
netpoll.c
net: Have netpoll bring-up DSA management interface
2020-11-18 11:04:11 -08:00
netprio_cgroup.c
net: Remove the err argument from sock_from_file
2020-12-04 22:32:40 +01:00
page_pool.c
net: page_pool: Add bulk support for ptr_ring
2020-11-14 02:29:00 +01:00
pktgen.c
pktgen: Fix inconsistent of format with argument type in pktgen.c
2020-10-01 18:45:23 -07:00
ptp_classifier.c
ptp: Add generic ptp v2 header parsing function
2020-08-19 16:07:49 -07:00
request_sock.c
tcp: add rcu protection around tp->fastopen_rsk
2019-10-13 10:13:08 -07:00
rtnetlink.c
net: make free_netdev() more lenient with unregistering devices
2021-01-08 19:27:41 -08:00
scm.c
fs: Add receive_fd() wrapper for __receive_fd()
2020-07-13 11:03:44 -07:00
secure_seq.c
crypto: lib/sha1 - remove unnecessary includes of linux/cryptohash.h
2020-05-08 15:32:17 +10:00
skbuff.c
tcp: add TTL to SCM_TIMESTAMPING_OPT_STATS
2021-01-22 18:20:52 -08:00
skmsg.c
bpf, sockmap: Avoid failures from skb_to_sgvec when skb has frag_list
2020-11-18 00:14:04 +01:00
sock_diag.c
bpf, net: Rework cookie generator as per-cpu one
2020-09-30 11:50:35 -07:00
sock_map.c
bpf: Replace fput with sockfd_put in sock map
2021-01-08 13:39:24 -08:00
sock_reuseport.c
udp: Prevent reuseport_select_sock from reading uninitialized socks
2021-01-08 19:15:40 -08:00
sock.c
net: Remove the err argument from sock_from_file
2020-12-04 22:32:40 +01:00
stream.c
tcp: make sure EPOLLOUT wont be missed
2019-08-19 13:07:43 -07:00
sysctl_net_core.c
net: add option to not create fall-back tunnels in root-ns as well
2020-08-28 06:52:44 -07:00
timestamping.c
net: Introduce a new MII time stamping interface.
2019-12-25 19:51:33 -08:00
tso.c
net: tso: add UDP segmentation support
2020-06-18 20:46:23 -07:00
utils.c
net: Fix skb->csum update in inet_proto_csum_replace16().
2020-01-24 20:54:30 +01:00
xdp.c
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2020-12-11 22:29:38 -08:00