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freebsd-dev/sys/netinet
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Steven Hartland e44c1887fd Use estimated RTT for receive buffer auto resizing instead of timestamps 
Switched from using timestamps to RTT estimates when performing TCP receive
buffer auto resizing, as not all hosts support / enable TCP timestamps.

Disabled reset of receive buffer auto scaling when not in bulk receive mode,
which gives an extra 20% performance increase.

Also extracted auto resizing to a common method shared between standard and
fastpath modules.

With this AWS S3 downloads at ~17ms latency on a 1Gbps connection jump from
~3MB/s to ~100MB/s using the default settings.

Reviewed by:    lstewart, gnn
MFC after:      2 weeks
Relnotes:       Yes
Sponsored by:   Multiplay
Differential Revision:  https://reviews.freebsd.org/D9668
2017-04-10 08:19:35 +00:00
..
cc Fix a variety of cosmetic typos and misspellings 2017-01-15 18:00:45 +00:00
khelp Remove "long" variables from the TCP stack (not including the modular 2016-10-06 16:28:34 +00:00
libalias alias_proxy.c: Fix accidental error quashing 2017-03-13 18:05:31 +00:00
tcp_stacks Use estimated RTT for receive buffer auto resizing instead of timestamps 2017-04-10 08:19:35 +00:00
accf_data.c
accf_dns.c
accf_http.c
icmp6.h Renumber copyright clause 4 2017-02-28 23:42:47 +00:00
icmp_var.h Renumber copyright clause 4 2017-02-28 23:42:47 +00:00
if_atm.c
if_atm.h
if_ether.c Fix the L2 address printed in the "arp: %s moved from %*D" message. 2017-03-11 04:57:52 +00:00
if_ether.h Renumber copyright clause 4 2017-02-28 23:42:47 +00:00
igmp_var.h Renumber copyright clause 4 2017-02-28 23:42:47 +00:00
igmp.c Add some ntohl() love to r315277 2017-03-14 20:57:54 +00:00
igmp.h Renumber copyright clause 4 2017-02-28 23:42:47 +00:00
in_cksum.c Renumber copyright clause 4 2017-02-28 23:42:47 +00:00
in_debug.c
in_fib.c Renumber copyright clause 4 2017-02-28 23:42:47 +00:00
in_fib.h Renumber copyright clause 4 2017-02-28 23:42:47 +00:00
in_gif.c Merge helper fib* functions used for basic lookups. 2015-12-08 10:50:03 +00:00
in_jail.c Allow explicitly assigned IPv4 loopback address to be used in jails 2017-03-31 00:41:54 +00:00
in_kdtrace.c Use estimated RTT for receive buffer auto resizing instead of timestamps 2017-04-10 08:19:35 +00:00
in_kdtrace.h Use estimated RTT for receive buffer auto resizing instead of timestamps 2017-04-10 08:19:35 +00:00
in_mcast.c Add some ntohl() love to r315277 2017-03-14 20:57:54 +00:00
in_pcb.c Fix reference count leak with L2 caching. 2017-03-25 15:06:28 +00:00
in_pcb.h Force same alignment on struct xinpgen as we have on struct xinpcb. This 2017-03-21 16:23:44 +00:00
in_pcbgroup.c Unbreak the RSS/PCBGROUp build. 2016-03-31 00:53:23 +00:00
in_prot.c Remove BSD and USL copyright and update license block in in_prot.c, as the 2016-07-28 18:39:30 +00:00
in_proto.c Renumber copyright clause 4 2017-02-28 23:42:47 +00:00
in_rmx.c Code duplication but rib_head is special. Not found an easy way to go 2016-02-03 21:56:51 +00:00
in_rss.c
in_rss.h
in_systm.h Renumber copyright clause 4 2017-02-28 23:42:47 +00:00
in_var.h Renumber copyright clause 4 2017-02-28 23:42:47 +00:00
in.c Renumber copyright clause 4 2017-02-28 23:42:47 +00:00
in.h The patch provides the same socket option as Linux IP_ORIGDSTADDR. 2017-03-06 04:01:58 +00:00
ip6.h Renumber copyright clause 4 2017-02-28 23:42:47 +00:00
ip_carp.c After the in_control() changes in r257692, an existing address is 2017-01-25 19:04:08 +00:00
ip_carp.h After the in_control() changes in r257692, an existing address is 2017-01-25 19:04:08 +00:00
ip_divert.c Hide struct inpcb, struct tcpcb from the userland. 2017-03-21 06:39:49 +00:00
ip_divert.h
ip_dummynet.h Import Dummynet AQM version 0.2.1 (CoDel, FQ-CoDel, PIE and FQ-PIE). 2016-05-26 21:40:13 +00:00
ip_ecn.c
ip_ecn.h
ip_encap.c Remove sys/eventhandler.h from net/route.h 2016-01-09 09:34:39 +00:00
ip_encap.h
ip_fastfwd.c When we are sending IP fragments, update ip pointers in IP_PROBE() for 2016-12-29 19:57:46 +00:00
ip_fw.h Add O_EXTERNAL_DATA opcode support. 2017-04-03 02:44:40 +00:00
ip_gre.c
ip_icmp.c Renumber copyright clause 4 2017-02-28 23:42:47 +00:00
ip_icmp.h Renumber copyright clause 4 2017-02-28 23:42:47 +00:00
ip_id.c Replace a number of conflations of mp_ncpus and mp_maxid with either 2016-07-06 14:09:49 +00:00
ip_input.c Renumber copyright clause 4 2017-02-28 23:42:47 +00:00
ip_mroute.c Add some ntohl() love to r315277 2017-03-14 20:57:54 +00:00
ip_mroute.h Renumber copyright clause 4 2017-02-28 23:42:47 +00:00
ip_options.c Renumber copyright clause 4 2017-02-28 23:42:47 +00:00
ip_options.h Renumber copyright clause 4 2017-02-28 23:42:47 +00:00
ip_output.c Fix reference count leak with L2 caching. 2017-03-25 15:06:28 +00:00
ip_reass.c Renumber copyright clause 4 2017-02-28 23:42:47 +00:00
ip_var.h Renumber copyright clause 4 2017-02-28 23:42:47 +00:00
ip.h Renumber copyright clause 4 2017-02-28 23:42:47 +00:00
pim_var.h
pim.h
raw_ip.c Hide struct inpcb, struct tcpcb from the userland. 2017-03-21 06:39:49 +00:00
sctp_asconf.c Whitespace changes. 2016-12-26 11:06:41 +00:00
sctp_asconf.h Whitespace changes. 2016-12-06 10:21:25 +00:00
sctp_auth.c Whitespace changes. 2016-12-26 11:06:41 +00:00
sctp_auth.h Whitespace changes. 2016-12-26 11:06:41 +00:00
sctp_bsd_addr.c Whitespace changes. 2016-12-26 11:06:41 +00:00
sctp_bsd_addr.h Whitespace changes. 2016-12-26 11:06:41 +00:00
sctp_cc_functions.c Whitespace changes. 2016-12-26 11:06:41 +00:00
sctp_constants.h Cleanup the names of SSN, SID, TSN, FSN, PPID and MID. 2016-12-07 19:30:59 +00:00
sctp_crc32.c Whitespace changes. 2016-12-26 11:06:41 +00:00
sctp_crc32.h Whitespace changes. 2016-12-06 10:21:25 +00:00
sctp_dtrace_declare.h
sctp_dtrace_define.h This is work done by Michael Tuexen and myself at the IETF. This 2016-04-07 09:10:34 +00:00
sctp_header.h Cleanup the names of SSN, SID, TSN, FSN, PPID and MID. 2016-12-07 19:30:59 +00:00
sctp_indata.c Whitespace changes. 2016-12-26 11:06:41 +00:00
sctp_indata.h Whitespace changes. 2016-12-26 11:06:41 +00:00
sctp_input.c Remove IPsec related PCB code from SCTP. 2017-02-13 11:37:52 +00:00
sctp_input.h Whitespace changes. 2016-12-26 11:06:41 +00:00
sctp_lock_bsd.h netinet/sctp*: minor spelling fixes in comments. 2016-05-02 20:56:11 +00:00
sctp_os_bsd.h Remove IPsec related PCB code from SCTP. 2017-02-13 11:37:52 +00:00
sctp_os.h
sctp_output.c Ensure that the variable bail is always initialized before used. 2017-02-01 00:10:29 +00:00
sctp_output.h Whitespace changes. 2016-12-26 11:06:41 +00:00
sctp_pcb.c Remove IPsec related PCB code from SCTP. 2017-02-13 11:37:52 +00:00
sctp_pcb.h Whitespace changes. 2016-12-26 11:06:41 +00:00
sctp_peeloff.c
sctp_peeloff.h Whitespace changes. 2016-12-06 10:21:25 +00:00
sctp_ss_functions.c Whitespace changes. 2016-12-26 11:06:41 +00:00
sctp_structs.h Whitespace changes. 2016-12-26 11:06:41 +00:00
sctp_syscalls.c Renumber copyright clause 4 2017-02-28 23:42:47 +00:00
sctp_sysctl.c Whitespace changes. 2016-12-26 11:06:41 +00:00
sctp_sysctl.h Retire net.inet.sctp.strict_sacks and net.inet.sctp.strict_data_order 2016-05-12 16:34:59 +00:00
sctp_timer.c Remove a duplicate debug statement. 2017-01-31 23:34:02 +00:00
sctp_timer.h Code cleanup which will silence a warning in PVS / D5245. 2016-02-17 18:04:22 +00:00
sctp_uio.h Whitespace changes. 2016-12-06 10:21:25 +00:00
sctp_usrreq.c Take the SCTP common header into account when computing the 2017-01-31 23:36:31 +00:00
sctp_var.h Cleanup the names of SSN, SID, TSN, FSN, PPID and MID. 2016-12-07 19:30:59 +00:00
sctp.h This is work done by Michael Tuexen and myself at the IETF. This 2016-04-07 09:10:34 +00:00
sctputil.c Whitespace changes. 2016-12-26 11:06:41 +00:00
sctputil.h Whitespace changes. 2016-12-26 11:06:41 +00:00
siftr.c Use SI_SUB_LAST instead of SI_SUB_SMP as the "catch-all" subsystem. 2016-03-11 23:18:06 +00:00
tcp_debug.c Renumber copyright clause 4 2017-02-28 23:42:47 +00:00
tcp_debug.h Renumber copyright clause 4 2017-02-28 23:42:47 +00:00
tcp_fastopen.c Fix VIMAGE-related bugs in TFO. The autokey callout vnet context was 2017-02-03 17:02:57 +00:00
tcp_fastopen.h Implementation of server-side TCP Fast Open (TFO) [RFC7413]. 2015-12-24 19:09:48 +00:00
tcp_fsm.h Renumber copyright clause 4 2017-02-28 23:42:47 +00:00
tcp_hostcache.c Use inet_ntoa_r() instead of inet_ntoa() throughout the kernel 2017-02-16 20:47:41 +00:00
tcp_hostcache.h Remove "long" variables from the TCP stack (not including the modular 2016-10-06 16:28:34 +00:00
tcp_input.c Use estimated RTT for receive buffer auto resizing instead of timestamps 2017-04-10 08:19:35 +00:00
tcp_lro.c Pass the number of segments coalesced by LRO up the stack by repurposing the 2016-08-25 13:33:32 +00:00
tcp_lro.h tcp/lro: Implement hash table for LRO entries. 2016-08-02 06:36:47 +00:00
tcp_offload.c Augment struct tcpstat with tcps_states[], which is used for book-keeping 2016-01-27 00:45:46 +00:00
tcp_offload.h
tcp_output.c Use estimated RTT for receive buffer auto resizing instead of timestamps 2017-04-10 08:19:35 +00:00
tcp_pcap.c The TCPPCAP debugging feature caches recently-used mbufs for use in 2016-07-06 16:17:13 +00:00
tcp_pcap.h The TCPPCAP debugging feature caches recently-used mbufs for use in 2016-07-06 16:17:13 +00:00
tcp_reass.c Renumber copyright clause 4 2017-02-28 23:42:47 +00:00
tcp_sack.c Remove a KASSERT which is not always true. 2016-12-25 17:37:18 +00:00
tcp_seq.h Renumber copyright clause 4 2017-02-28 23:42:47 +00:00
tcp_subr.c Hide struct inpcb, struct tcpcb from the userland. 2017-03-21 06:39:49 +00:00
tcp_syncache.c Hide struct inpcb, struct tcpcb from the userland. 2017-03-21 06:39:49 +00:00
tcp_syncache.h Renumber copyright clause 4 2017-02-28 23:42:47 +00:00
tcp_timer.c Hide struct inpcb, struct tcpcb from the userland. 2017-03-21 06:39:49 +00:00
tcp_timer.h Hide struct inpcb, struct tcpcb from the userland. 2017-03-21 06:39:49 +00:00
tcp_timewait.c Renumber copyright clause 4 2017-02-28 23:42:47 +00:00
tcp_usrreq.c Renumber copyright clause 4 2017-02-28 23:42:47 +00:00
tcp_var.h Use estimated RTT for receive buffer auto resizing instead of timestamps 2017-04-10 08:19:35 +00:00
tcp.h Renumber copyright clause 4 2017-02-28 23:42:47 +00:00
tcpip.h Renumber copyright clause 4 2017-02-28 23:42:47 +00:00
toecore.c This change re-adds L2 caching for TCP and UDP, as originally added in D4306 2016-06-02 17:51:29 +00:00
toecore.h
udp_usrreq.c Revert the optimization from r304436 2017-04-05 16:57:13 +00:00
udp_var.h Renumber copyright clause 4 2017-02-28 23:42:47 +00:00
udp.h Renumber copyright clause 4 2017-02-28 23:42:47 +00:00
udplite.h