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linux/net/ipv4
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Soheil Hassas Yeganeh d82bae12dc tcp: remove per-destination timestamp cache 
Commit 8a5bd45f6616 (tcp: randomize tcp timestamp offsets for each connection)
randomizes TCP timestamps per connection. After this commit,
there is no guarantee that the timestamps received from the
same destination are monotonically increasing. As a result,
the per-destination timestamp cache in TCP metrics (i.e., tcpm_ts
in struct tcp_metrics_block) is broken and cannot be relied upon.

Remove the per-destination timestamp cache and all related code
paths.

Note that this cache was already broken for caching timestamps of
multiple machines behind a NAT sharing the same address.

Signed-off-by: Soheil Hassas Yeganeh <soheil@google.com>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Neal Cardwell <ncardwell@google.com>
Signed-off-by: Yuchung Cheng <ycheng@google.com>
Cc: Lutz Vieweg <lvml@5t9.de>
Cc: Florian Westphal <fw@strlen.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-16 20:33:56 -07:00
..
netfilter
lib/vsprintf.c: remove %Z support
2017-02-27 18:43:47 -08:00
af_inet.c
net: Work around lockdep limitation in sockets that use sockets
2017-03-09 18:23:27 -08:00
ah4.c
IPsec: do not ignore crypto err in ah4 input
2017-01-16 12:57:48 +01:00
arp.c
NET: Fix /proc/net/arp for AX.25
2017-02-13 22:15:03 -05:00
cipso_ipv4.c
netlabel: out of bound access in cipso_v4_validate()
2017-02-04 19:44:22 -05:00
datagram.c
net: Set sk_txhash from a random number
2015-07-29 22:44:04 -07:00
devinet.c
net: Eliminate duplicated codes by creating one new function in_dev_select_addr
2017-03-12 23:27:09 -07:00
esp4_offload.c
esp: Add a software GRO codepath
2017-02-15 11:04:11 +01:00
esp4.c
esp: Introduce a helper to setup the trailer
2017-01-17 10:23:08 +01:00
fib_frontend.c
net: route: add missing nla_policy entry for RTA_MARK attribute
2017-03-01 10:25:56 -08:00
fib_lookup.h
ipv4: consider TOS in fib_select_default
2015-07-24 22:46:11 -07:00
fib_notifier.c
ipv4: fib: Remove redundant argument
2017-03-10 09:45:09 -08:00
fib_rules.c
ipv4: fib_rules: Dump FIB rules when registering FIB notifier
2017-03-16 10:18:34 -07:00
fib_semantics.c
ipv4: fib: Notify about nexthop status changes
2017-02-08 15:25:18 -05:00
fib_trie.c
ipv4: fib: Remove redundant argument
2017-03-10 09:45:09 -08:00
fou.c
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2016-10-30 12:42:58 -04:00
gre_demux.c
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2016-06-30 05:03:36 -04:00
gre_offload.c
net: add recursion limit to GRO
2016-10-20 14:32:22 -04:00
icmp.c
net: for rate-limited ICMP replies save one atomic operation
2017-01-09 15:49:12 -05:00
igmp.c
igmp, mld: Fix memory leak in igmpv3/mld_del_delrec()
2017-02-09 16:43:45 -05:00
inet_connection_sock.c
net: Work around lockdep limitation in sockets that use sockets
2017-03-09 18:23:27 -08:00
inet_diag.c
tcp: remove early retransmit
2017-01-13 22:37:16 -05:00
inet_fragment.c
net: disable fragment reassembly if high_thresh is zero
2016-06-05 22:56:42 -04:00
inet_hashtables.c
inet: kill smallest_size and smallest_port
2017-01-18 13:04:29 -05:00
inet_timewait_sock.c
ipv4: Namespaceify tcp_tw_recycle and tcp_max_tw_buckets knob
2016-12-29 11:38:31 -05:00
inetpeer.c
net: Add helper function to compare inetpeer addresses
2015-08-28 13:32:36 -07:00
ip_forward.c
ipv4: allow local fragmentation in ip_finish_output_gso()
2016-11-03 16:10:26 -04:00
ip_fragment.c
net: rename IP_INC_STATS_BH()
2016-04-27 22:48:23 -04:00
ip_gre.c
Replace <asm/uaccess.h> with <linux/uaccess.h> globally
2016-12-24 11:46:01 -08:00
ip_input.c
net: VRF: Pass original iif to ip_route_input()
2016-09-16 04:24:07 -04:00
ip_options.c
Replace <asm/uaccess.h> with <linux/uaccess.h> globally
2016-12-24 11:46:01 -08:00
ip_output.c
udp: avoid ufo handling on IP payload compression packets
2017-03-09 18:28:42 -08:00
ip_sockglue.c
ip: fix IP_CHECKSUM handling
2017-02-21 12:23:53 -05:00
ip_tunnel_core.c
lwtunnel: remove device arg to lwtunnel_build_state
2017-01-30 15:14:22 -05:00
ip_tunnel.c
netns: make struct pernet_operations::id unsigned int
2016-11-18 10:59:15 -05:00
ip_vti.c
netns: make struct pernet_operations::id unsigned int
2016-11-18 10:59:15 -05:00
ipcomp.c
ipv4: coding style: comparison for equality with NULL
2015-04-03 12:11:15 -04:00
ipconfig.c
Replace <asm/uaccess.h> with <linux/uaccess.h> globally
2016-12-24 11:46:01 -08:00
ipip.c
Replace <asm/uaccess.h> with <linux/uaccess.h> globally
2016-12-24 11:46:01 -08:00
ipmr.c
lib/vsprintf.c: remove %Z support
2017-02-27 18:43:47 -08:00
Kconfig
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec-next
2017-02-16 21:25:49 -05:00
Makefile
ipv4: fib: Move FIB notification code to a separate file
2017-03-10 09:45:09 -08:00
netfilter.c
netfilter: use skb_to_full_sk in ip_route_me_harder
2017-02-28 12:49:36 +01:00
ping.c
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2017-02-11 02:31:11 -05:00
proc.c
net: add LINUX_MIB_PFMEMALLOCDROP counter
2017-02-02 23:34:19 -05:00
protocol.c
net: Export inet_offloads and inet6_offloads
2014-09-19 17:15:31 -04:00
raw_diag.c
net: ip, raw_diag -- Use jump for exiting from nested loop
2016-11-03 15:25:26 -04:00
raw.c
net: use dst_confirm_neigh for UDP, RAW, ICMP, L2TP
2017-02-07 13:07:47 -05:00
route.c
ipv4: mask tos for input route
2017-02-26 11:03:38 -05:00
syncookies.c
syncookies: use SipHash in place of SHA1
2017-01-09 13:58:57 -05:00
sysctl_net_ipv4.c
net: Avoid receiving packets with an l3mdev on unbound UDP sockets
2017-01-30 15:00:58 -05:00
tcp_bbr.c
tcp_bbr: add a state transition diagram and accompanying comment
2016-10-29 17:12:43 -04:00
tcp_bic.c
tcp: replace cnt & rtt with struct in pkts_acked()
2016-05-11 14:43:19 -04:00
tcp_cdg.c
sched/headers: Prepare for new header dependencies before moving code to <linux/sched/clock.h>
2017-03-02 08:42:27 +01:00
tcp_cong.c
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2016-11-22 13:27:16 -05:00
tcp_cubic.c
tcp: replace cnt & rtt with struct in pkts_acked()
2016-05-11 14:43:19 -04:00
tcp_dctcp.c
Revert "dctcp: update cwnd on congestion event"
2016-12-06 11:34:24 -05:00
tcp_diag.c
net: diag: Fix refcnt leak in error path destroying socket
2016-08-23 23:11:36 -07:00
tcp_fastopen.c
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2017-01-28 10:33:06 -05:00
tcp_highspeed.c
tcp: add cwnd_undo functions to various tcp cc algorithms
2016-11-21 13:20:17 -05:00
tcp_htcp.c
tcp: replace cnt & rtt with struct in pkts_acked()
2016-05-11 14:43:19 -04:00
tcp_hybla.c
tcp: make undo_cwnd mandatory for congestion modules
2016-11-21 13:20:17 -05:00
tcp_illinois.c
tcp: add cwnd_undo functions to various tcp cc algorithms
2016-11-21 13:20:17 -05:00
tcp_input.c
tcp: remove per-destination timestamp cache
2017-03-16 20:33:56 -07:00
tcp_ipv4.c
tcp: remove per-destination timestamp cache
2017-03-16 20:33:56 -07:00
tcp_lp.c
tcp: make undo_cwnd mandatory for congestion modules
2016-11-21 13:20:17 -05:00
tcp_metrics.c
tcp: remove per-destination timestamp cache
2017-03-16 20:33:56 -07:00
tcp_minisocks.c
tcp: remove per-destination timestamp cache
2017-03-16 20:33:56 -07:00
tcp_nv.c
tcp: add NV congestion control
2016-06-10 23:07:49 -07:00
tcp_offload.c
gso: Support partial splitting at the frag_list pointer
2016-09-19 20:59:34 -04:00
tcp_output.c
tcp: accommodate sequence number to a peer's shrunk receive window caused by precision loss in window scaling
2017-02-17 15:30:33 -05:00
tcp_probe.c
tcp: Revert "tcp: tcp_probe: use spin_lock_bh()"
2017-02-21 13:26:03 -05:00
tcp_rate.c
tcp: export data delivery rate
2016-09-21 00:23:00 -04:00
tcp_recovery.c
tcp: enable RACK loss detection to trigger recovery
2017-01-13 22:37:16 -05:00
tcp_scalable.c
tcp: add cwnd_undo functions to various tcp cc algorithms
2016-11-21 13:20:17 -05:00
tcp_timer.c
tcp: fix various issues for sockets morphing to listen state
2017-03-07 13:58:33 -08:00
tcp_vegas.c
tcp: make undo_cwnd mandatory for congestion modules
2016-11-21 13:20:17 -05:00
tcp_vegas.h
tcp: replace cnt & rtt with struct in pkts_acked()
2016-05-11 14:43:19 -04:00
tcp_veno.c
tcp: add cwnd_undo functions to various tcp cc algorithms
2016-11-21 13:20:17 -05:00
tcp_westwood.c
tcp_westwood: fix tcp_westwood_info() style mistakes
2017-03-16 20:23:28 -07:00
tcp_yeah.c
tcp: add cwnd_undo functions to various tcp cc algorithms
2016-11-21 13:20:17 -05:00
tcp.c
tcp: fix potential double free issue for fastopen_req
2017-03-02 14:05:41 -08:00
tunnel4.c
tunnels: correct conditional build of MPLS and IPv6
2016-07-11 13:27:06 -07:00
udp_diag.c
net: inet: diag: expose the socket mark to privileged processes.
2016-09-08 16:13:09 -07:00
udp_impl.h
udplite: call proper backlog handlers
2016-11-24 15:32:14 -05:00
udp_offload.c
net: add recursion limit to GRO
2016-10-20 14:32:22 -04:00
udp_tunnel.c
net: Remove deprecated tunnel specific UDP offload functions
2016-06-17 20:23:32 -07:00
udp.c
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2017-02-07 16:29:30 -05:00
udplite.c
udplite: call proper backlog handlers
2016-11-24 15:32:14 -05:00
xfrm4_input.c
esp: Add a software GRO codepath
2017-02-15 11:04:11 +01:00
xfrm4_mode_beet.c
…
xfrm4_mode_transport.c
esp: Add a software GRO codepath
2017-02-15 11:04:11 +01:00
xfrm4_mode_tunnel.c
ipv4: hash net ptr into fragmentation bucket selection
2015-03-25 14:07:04 -04:00
xfrm4_output.c
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2015-10-24 06:54:12 -07:00
xfrm4_policy.c
xfrm: policy: make policy backend const
2017-02-09 10:22:19 +01:00
xfrm4_protocol.c
xfrm: input: constify xfrm_input_afinfo
2017-02-09 10:22:17 +01:00
xfrm4_state.c
xfrm: remove unused function
2017-01-10 10:57:12 +01:00
xfrm4_tunnel.c
…