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freebsd-skq/sys/netinet
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Randall Stewart 4f3addd94b tcp: Add a socket option to rack so we can test various changes to the slop value in timers. 
Timer_slop, in TCP, has been 200ms for a long time. This value dates back
a long time when delayed ack timers were longer and links were slower. A
200ms timer slop allows 1 MSS to be sent over a 60kbps link. Its possible that
lowering this value to something more in line with todays delayed ack values (40ms)
might improve TCP. This bit of code makes it so rack can, via a socket option,
adjust the timer slop.

Reviewed by: mtuexen
Sponsered by: Netflix Inc
Differential Revision:	https://reviews.freebsd.org/D30249
2021-05-26 06:43:30 -04:00
..
cc This brings into sync FreeBSD with the netflix versions of rack and bbr. 2021-05-06 11:22:26 -04:00
khelp
libalias libalias: Ensure ASSERT behind varable declarations 2021-05-16 02:28:36 +02:00
netdump Use zfree() instead of explicit_bzero() and free(). 2020-06-25 20:17:34 +00:00
tcp_stacks tcp: Add a socket option to rack so we can test various changes to the slop value in timers. 2021-05-26 06:43:30 -04:00
accf_data.c Define a module version for accept filter modules. 2020-05-19 18:35:08 +00:00
accf_dns.c Define a module version for accept filter modules. 2020-05-19 18:35:08 +00:00
accf_http.c net: clean up empty lines in .c and .h files 2020-09-01 21:19:14 +00:00
dccp.h Add header definition for RFC4340, Datagram Congestion Control Protocol 2020-06-17 13:27:13 +00:00
icmp6.h icmp6: Count packets dropped due to an invalid hop limit 2020-10-19 17:07:19 +00:00
icmp_var.h net: clean up empty lines in .c and .h files 2020-09-01 21:19:14 +00:00
if_ether.c arp/nd: Cope with late calls to iflladdr_event 2021-02-23 13:54:07 +01:00
if_ether.h
igmp_var.h igmp: convert igmpstat to use PCPU counters 2020-11-08 18:49:23 +00:00
igmp.c igmp: Avoid an out-of-bounds access when zeroing counters 2021-05-05 17:12:51 -04:00
igmp.h
in_cksum.c
in_debug.c
in_fib_algo.c Fix IPv4 fib bsearch4() lookup array construction. 2021-01-17 20:32:26 +00:00
in_fib_dxr.c Introduce DXR as an IPv4 longest prefix matching / FIB module 2021-05-05 13:45:52 +02:00
in_fib.c Add modular fib lookup framework. 2020-12-25 11:33:17 +00:00
in_fib.h Refactor fib4/fib6 functions. 2020-11-29 13:41:49 +00:00
in_gif.c net: clean up empty lines in .c and .h files 2020-09-01 21:19:14 +00:00
in_jail.c
in_kdtrace.c
in_kdtrace.h
in_mcast.c Always use inp fib in the inp_lookup_mcast_ifp(). 2021-04-10 13:47:49 +00:00
in_pcb.c Add missing sockaddr length and family validation to various protocols 2021-05-03 13:35:19 -04:00
in_pcb.h tcp_input: always request read-locking of PCB for any pure SYN segment. 2021-04-20 10:02:20 -07:00
in_pcbgroup.c
in_prot.c
in_proto.c capsicum: Limit socket operations in capability mode 2021-04-07 14:32:56 -04:00
in_rmx.c Refactor rib iterator functions. 2020-11-22 20:21:10 +00:00
in_rss.c Implement flowid calculation for outbound connections to balance 2020-10-18 17:15:47 +00:00
in_rss.h Implement flowid calculation for outbound connections to balance 2020-10-18 17:15:47 +00:00
in_systm.h
in_var.h net: remove legacy in_addmulti() 2021-02-25 10:13:52 +01:00
in.c Re-enable network ioctls in capability mode 2021-04-23 09:22:49 -04:00
in.h Add IP(V6)_VLAN_PCP to set 802.1 priority per-flow. 2020-10-09 12:06:43 +00:00
ip6.h net: Introduce IPV6_DSCP(), IPV6_ECN() and IPV6_TRAFFIC_CLASS() macros 2021-03-04 20:56:48 +01:00
ip_carp.c Further refactor IPv4 interface route creation. 2021-01-21 21:48:49 +00:00
ip_carp.h
ip_divert.c Fix mbuf leaks in various pru_send implementations 2021-05-12 13:00:09 -04:00
ip_divert.h
ip_dummynet.h net: clean up empty lines in .c and .h files 2020-09-01 21:19:14 +00:00
ip_ecn.c
ip_ecn.h
ip_encap.c
ip_encap.h
ip_fastfwd.c ip_fastfwd: style(9) tidy for r367628 2020-11-13 18:25:07 +00:00
ip_fw.h Allow setting alias port ranges in libalias and ipfw. This will allow a system 2021-02-02 13:24:17 -08:00
ip_gre.c
ip_icmp.c net: clean up empty lines in .c and .h files 2020-09-01 21:19:14 +00:00
ip_icmp.h
ip_id.c Mark more nodes as CTLFLAG_MPSAFE or CTLFLAG_NEEDGIANT (17 of many) 2020-02-26 14:26:36 +00:00
ip_input.c ip_forward: Restore RFC reference 2021-05-23 00:01:37 +02:00
ip_mroute.c ip_mroute: remove unused declarations 2021-05-21 08:01:26 +02:00
ip_mroute.h ip_mroute: refactor bw_meter API 2021-05-21 06:43:41 +02:00
ip_options.c net: clean up empty lines in .c and .h files 2020-09-01 21:19:14 +00:00
ip_options.h
ip_output.c mroute: fix race condition during mrouter shutting down 2021-05-11 12:34:20 +02:00
ip_reass.c Mark more nodes as CTLFLAG_MPSAFE or CTLFLAG_NEEDGIANT (17 of many) 2020-02-26 14:26:36 +00:00
ip_var.h An earlier commit effectively turned out the fast forwading path 2020-11-12 21:58:47 +00:00
ip.h
pim_var.h
pim.h
raw_ip.c Fix mbuf leaks in various pru_send implementations 2021-05-12 13:00:09 -04:00
sctp_asconf.c Improve input validation for parameters in ASCONF and ASCONF-ACK chunks 2020-12-23 18:03:47 +01:00
sctp_asconf.h net: clean up empty lines in .c and .h files 2020-09-01 21:19:14 +00:00
sctp_auth.c net: clean up empty lines in .c and .h files 2020-09-01 21:19:14 +00:00
sctp_auth.h net: clean up empty lines in .c and .h files 2020-09-01 21:19:14 +00:00
sctp_bsd_addr.c Don't pass RFPROC to kproc_create(), it is redundant. 2021-03-12 09:48:10 -08:00
sctp_bsd_addr.h net: clean up empty lines in .c and .h files 2020-09-01 21:19:14 +00:00
sctp_cc_functions.c Minor cleanups. 2020-10-07 15:22:48 +00:00
sctp_constants.h sctp: use RTO.Initial of 1 second as specified in RFC 4960bis 2021-04-30 00:45:56 +02:00
sctp_crc32.c No need to include netinet/sctp_crc32.h twice. 2020-06-22 14:36:14 +00:00
sctp_crc32.h Add the SCTP_SUPPORT kernel option. 2020-06-18 19:32:34 +00:00
sctp_header.h Whitespace changes. 2020-09-24 12:26:06 +00:00
sctp_indata.c sctp: fix a locking issue for old unordered data 2021-01-31 10:46:23 +01:00
sctp_indata.h net: clean up empty lines in .c and .h files 2020-09-01 21:19:14 +00:00
sctp_input.c sctp: fix another locking bug in COOKIE handling 2021-05-12 23:05:28 +02:00
sctp_input.h net: clean up empty lines in .c and .h files 2020-09-01 21:19:14 +00:00
sctp_kdtrace.c
sctp_kdtrace.h
sctp_lock_bsd.h Whitespace changes. 2020-09-24 12:26:06 +00:00
sctp_module.c Provide support for building SCTP as a loadable module. 2020-07-10 14:56:05 +00:00
sctp_os_bsd.h net: clean up empty lines in .c and .h files 2020-09-01 21:19:14 +00:00
sctp_os.h net: clean up empty lines in .c and .h files 2020-09-01 21:19:14 +00:00
sctp_output.c sctp: improve input validation 2021-01-31 23:46:53 +01:00
sctp_output.h Whitespace changes. 2020-09-24 12:26:06 +00:00
sctp_pcb.c sctp: improve address list scanning 2021-05-03 02:50:05 +02:00
sctp_pcb.h net: clean up empty lines in .c and .h files 2020-09-01 21:19:14 +00:00
sctp_peeloff.c Non-functional changes due to upstream cleanup. 2020-06-11 13:34:09 +00:00
sctp_peeloff.h
sctp_ss_functions.c Fix a few typos in comments 2021-03-13 16:37:28 +01:00
sctp_structs.h sctp: improve consistency 2021-01-24 00:07:41 +01:00
sctp_syscalls.c Convert remaining cap_rights_init users to cap_rights_init_one 2021-01-12 13:16:10 +00:00
sctp_sysctl.c net: clean up empty lines in .c and .h files 2020-09-01 21:19:14 +00:00
sctp_sysctl.h Improve the handling of cookie life times. 2020-10-16 10:44:48 +00:00
sctp_timer.c sctp: improve computation of an alternate net 2021-02-21 17:13:06 +01:00
sctp_timer.h net: clean up empty lines in .c and .h files 2020-09-01 21:19:14 +00:00
sctp_uio.h net: clean up empty lines in .c and .h files 2020-09-01 21:19:14 +00:00
sctp_usrreq.c Add missing sockaddr length and family validation to various protocols 2021-05-03 13:35:19 -04:00
sctp_var.h net: clean up empty lines in .c and .h files 2020-09-01 21:19:14 +00:00
sctp.h Improve the handling of cookie life times. 2020-10-16 10:44:48 +00:00
sctputil.c sctp: update the vtag for INIT and INIT-ACK chunks 2021-04-30 13:33:16 +02:00
sctputil.h net: clean up empty lines in .c and .h files 2020-09-01 21:19:14 +00:00
siftr.c net: clean up empty lines in .c and .h files 2020-09-01 21:19:14 +00:00
tcp_accounting.h This brings into sync FreeBSD with the netflix versions of rack and bbr. 2021-05-06 11:22:26 -04:00
tcp_debug.c
tcp_debug.h
tcp_fastopen.c net: clean up empty lines in .c and .h files 2020-09-01 21:19:14 +00:00
tcp_fastopen.h
tcp_fsm.h White space cleanup -- remove trailing tab's or spaces 2020-02-12 13:31:36 +00:00
tcp_hostcache.c tcp_hostcache: use SMR for lookups, mutex(9) for updates. 2021-04-20 10:02:20 -07:00
tcp_hpts.c net: clean up empty lines in .c and .h files 2020-09-01 21:19:14 +00:00
tcp_hpts.h net: clean up empty lines in .c and .h files 2020-09-01 21:19:14 +00:00
tcp_input.c tcp: Fix bugs related to the PUSH bit and rack and an ack war 2021-05-25 13:23:31 -04:00
tcp_log_buf.c net: clean up empty lines in .c and .h files 2020-09-01 21:19:14 +00:00
tcp_log_buf.h This brings into sync FreeBSD with the netflix versions of rack and bbr. 2021-05-06 11:22:26 -04:00
tcp_lro.c Allow the tcp_lro_flush_all() function to be called when the control 2021-04-24 12:23:42 +02:00
tcp_lro.h Add TCP LRO support for VLAN and VxLAN. 2021-04-20 13:36:22 +02:00
tcp_offload.c Path MTU discovery hooks for offloaded TCP connections. 2021-04-21 13:00:16 -07:00
tcp_offload.h Path MTU discovery hooks for offloaded TCP connections. 2021-04-21 13:00:16 -07:00
tcp_output.c tcp: Fix sending of TCP segments with IP level options 2021-05-21 09:49:45 +02:00
tcp_pcap.c Step 4.2: start divorce of M_EXT and M_EXTPG 2020-05-03 00:37:16 +00:00
tcp_pcap.h
tcp_ratelimit.c This brings into sync FreeBSD with the netflix versions of rack and bbr. 2021-05-06 11:22:26 -04:00
tcp_ratelimit.h This takes Warners suggested approach to making it so that 2021-05-07 17:32:32 -04:00
tcp_reass.c [tcp] Keep socket buffer locked until upcall 2021-05-21 11:07:51 +02:00
tcp_sack.c tcp: SACK Lost Retransmission Detection (LRD) 2021-05-10 19:06:20 +02:00
tcp_seq.h
tcp_stats.c Mark more nodes as CTLFLAG_MPSAFE or CTLFLAG_NEEDGIANT (17 of many) 2020-02-26 14:26:36 +00:00
tcp_subr.c tcp: Fix an issue with the PUSH bit as well as fill in the missing mtu change for fsb's 2021-05-24 14:42:15 -04:00
tcp_syncache.c tcp: add support for TCP over UDP 2021-04-18 16:16:42 +02:00
tcp_syncache.h tcp: add support for TCP over UDP 2021-04-18 16:16:42 +02:00
tcp_timer.c Improve the TCP blackhole detection. The principle is to reduce the 2020-04-14 16:35:05 +00:00
tcp_timer.h kern: net: remove TCP_LINGERTIME 2021-02-18 22:36:01 -06:00
tcp_timewait.c tcp_twcheck(): use correct unlock macro. 2021-05-06 10:19:21 -07:00
tcp_usrreq.c tcp: enter network epoch when calling tfb_tcp_fb_fini 2021-05-25 13:45:37 -04:00
tcp_var.h [tcp] Keep socket buffer locked until upcall 2021-05-21 11:07:51 +02:00
tcp.h tcp: Add a socket option to rack so we can test various changes to the slop value in timers. 2021-05-26 06:43:30 -04:00
tcpip.h
toecore.c Path MTU discovery hooks for offloaded TCP connections. 2021-04-21 13:00:16 -07:00
toecore.h Path MTU discovery hooks for offloaded TCP connections. 2021-04-21 13:00:16 -07:00
udp_usrreq.c Fix mbuf leaks in various pru_send implementations 2021-05-12 13:00:09 -04:00
udp_var.h Add a knob to allow zero UDP checksums for UDP/IPv6 traffic on the given UDP port. 2020-09-18 02:21:15 +00:00
udp.h White space cleanup -- remove trailing tab's or spaces 2020-02-12 13:31:36 +00:00
udplite.h White space cleanup -- remove trailing tab's or spaces 2020-02-12 13:31:36 +00:00