freebsd-dev/sys/netinet
Richard Scheffenegger 4d0770f172 Prevent premature SACK block transmission during loss recovery
Under specific conditions, a window update can be sent with
outdated SACK information. Some clients react to this by
subsequently delaying loss recovery, making TCP perform very
poorly.

Reported by:	chengc_netapp.com
Reviewed by:	rrs, jtl
MFC after:	2 weeks
Sponsored by:	NetApp, Inc.
Differential Revision:	https://reviews.freebsd.org/D24237
2020-11-08 18:47:05 +00:00
..
cc TCP Cubic: improve reaction to (and rollback from) RTO 2020-10-24 16:11:46 +00:00
khelp
libalias net: clean up empty lines in .c and .h files 2020-09-01 21:19:14 +00:00
netdump Use zfree() instead of explicit_bzero() and free(). 2020-06-25 20:17:34 +00:00
tcp_stacks Prevent premature SACK block transmission during loss recovery 2020-11-08 18:47:05 +00:00
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 net: clean up empty lines in .c and .h files 2020-09-01 21:19:14 +00:00
if_ether.h
igmp_var.h
igmp.c net: clean up empty lines in .c and .h files 2020-09-01 21:19:14 +00:00
igmp.h
in_cksum.c
in_debug.c
in_fib.c Implement flowid calculation for outbound connections to balance 2020-10-18 17:15:47 +00:00
in_fib.h Implement flowid calculation for outbound connections to balance 2020-10-18 17:15:47 +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 Separate out SCTP related dtrace code. 2019-10-14 20:32:11 +00:00
in_kdtrace.h Separate out SCTP related dtrace code. 2019-10-14 20:32:11 +00:00
in_mcast.c Simplify NET_EPOCH_EXIT in inp_join_group(). 2020-10-18 12:03:36 +00:00
in_pcb.c Add m_snd_tag_alloc() as a wrapper around if_snd_tag_alloc(). 2020-10-29 23:28:39 +00:00
in_pcb.h Call m_snd_tag_rele() to free send tags. 2020-10-29 22:18:56 +00:00
in_pcbgroup.c
in_prot.c
in_proto.c Remove unused nhop_ref_any() function. 2020-09-20 21:32:52 +00:00
in_rmx.c Introduce scalable route multipath. 2020-10-03 10:47:17 +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 Simplify dom_<rtattach|rtdetach>. 2020-08-14 21:29:56 +00:00
in.c Implement SIOCGIFALIAS. 2020-10-14 09:22:54 +00:00
in.h Add IP(V6)_VLAN_PCP to set 802.1 priority per-flow. 2020-10-09 12:06:43 +00:00
ip6.h Remove stale definitions. The removed definitions are not used right 2020-03-01 12:34:27 +00:00
ip_carp.c net: clean up empty lines in .c and .h files 2020-09-01 21:19:14 +00:00
ip_carp.h carp: replace caddr_t with char * 2019-12-06 16:35:48 +00:00
ip_divert.c Add the SCTP_SUPPORT kernel option. 2020-06-18 19:32:34 +00:00
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 Widen NET_EPOCH coverage. 2019-10-07 22:40:05 +00:00
ip_encap.h
ip_fastfwd.c Convert IP/IPv6 forwarding, ICMP processing and IP PCB laddr selection to 2020-04-14 23:06:25 +00:00
ip_fw.h net: clean up empty lines in .c and .h files 2020-09-01 21:19:14 +00:00
ip_gre.c Introduce NET_EPOCH_CALL() macro and use it everywhere where we free 2020-01-15 06:05:20 +00:00
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 net: clean up empty lines in .c and .h files 2020-09-01 21:19:14 +00:00
ip_mroute.c ip_mroute: fix the viftable export sysctl 2020-10-11 00:01:00 +00:00
ip_mroute.h net: clean up empty lines in .c and .h files 2020-09-01 21:19:14 +00:00
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 Add IP(V6)_VLAN_PCP to set 802.1 priority per-flow. 2020-10-09 12:06:43 +00:00
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 This commit adds BBR (Bottleneck Bandwidth and RTT) congestion control. This 2019-09-24 18:18:11 +00:00
ip.h
pim_var.h
pim.h
raw_ip.c Implement flowid calculation for outbound connections to balance 2020-10-18 17:15:47 +00:00
sctp_asconf.c net: clean up empty lines in .c and .h files 2020-09-01 21:19:14 +00:00
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 Use __func__ instead of __FUNCTION__ for consistency. 2020-10-04 15:37:34 +00:00
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 net: clean up empty lines in .c and .h files 2020-09-01 21:19:14 +00:00
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 Use __func__ instead of __FUNCTION__ for consistency. 2020-10-04 15:37:34 +00:00
sctp_indata.h net: clean up empty lines in .c and .h files 2020-09-01 21:19:14 +00:00
sctp_input.c Improve the handling of cookie life times. 2020-10-16 10:44:48 +00:00
sctp_input.h net: clean up empty lines in .c and .h files 2020-09-01 21:19:14 +00:00
sctp_kdtrace.c Separate out SCTP related dtrace code. 2019-10-14 20:32:11 +00:00
sctp_kdtrace.h Separate out SCTP related dtrace code. 2019-10-14 20:32:11 +00:00
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 Improve the handling of cookie life times. 2020-10-16 10:44:48 +00:00
sctp_output.h Whitespace changes. 2020-09-24 12:26:06 +00:00
sctp_pcb.c Ensure variables are initialized before used. 2020-10-06 11:29:08 +00:00
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 net: clean up empty lines in .c and .h files 2020-09-01 21:19:14 +00:00
sctp_structs.h net: clean up empty lines in .c and .h files 2020-09-01 21:19:14 +00:00
sctp_syscalls.c Cleanup, no functional change intended. 2020-07-12 18:34:09 +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 net: clean up empty lines in .c and .h files 2020-09-01 21:19:14 +00:00
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 Improve the handling of cookie life times. 2020-10-16 10:44:48 +00:00
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 Remove dead stores reported by clang static code analysis 2020-10-06 11:08:52 +00:00
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_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 Mark more nodes as CTLFLAG_MPSAFE or CTLFLAG_NEEDGIANT (17 of many) 2020-02-26 14:26:36 +00:00
tcp_hostcache.h
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 Prevent premature SACK block transmission during loss recovery 2020-11-08 18:47:05 +00:00
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 net: clean up empty lines in .c and .h files 2020-09-01 21:19:14 +00:00
tcp_lro.c net: clean up empty lines in .c and .h files 2020-09-01 21:19:14 +00:00
tcp_lro.h White space cleanup -- remove trailing tab's or spaces 2020-02-12 13:31:36 +00:00
tcp_offload.c Initial support for kernel offload of TLS receive. 2020-04-27 23:17:19 +00:00
tcp_offload.h Initial support for kernel offload of TLS receive. 2020-04-27 23:17:19 +00:00
tcp_output.c Stop sending tiny new data segments during SACK recovery 2020-10-09 12:44:56 +00:00
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 Add m_snd_tag_alloc() as a wrapper around if_snd_tag_alloc(). 2020-10-29 23:28:39 +00:00
tcp_ratelimit.h Fix copyright year and eliminate the obsolete all rights reserved line. 2020-04-08 17:55:45 +00:00
tcp_reass.c Prevent premature SACK block transmission during loss recovery 2020-11-08 18:47:05 +00:00
tcp_sack.c Stop sending tiny new data segments during SACK recovery 2020-10-09 12:44:56 +00:00
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 Save the current TCP pacing rate in t_pacing_rate. 2020-10-29 00:03:19 +00:00
tcp_syncache.c net: clean up empty lines in .c and .h files 2020-09-01 21:19:14 +00:00
tcp_syncache.h Fix the following issues related to the TCP SYN-cache: 2020-08-10 20:24:48 +00:00
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 Reduce default TCP delayed ACK timeout to 40ms. 2020-04-16 15:59:23 +00:00
tcp_timewait.c Mark more nodes as CTLFLAG_MPSAFE or CTLFLAG_NEEDGIANT (17 of many) 2020-02-26 14:26:36 +00:00
tcp_usrreq.c net: clean up empty lines in .c and .h files 2020-09-01 21:19:14 +00:00
tcp_var.h Prevent premature SACK block transmission during loss recovery 2020-11-08 18:47:05 +00:00
tcp.h TCP: send full initial window when timestamps are in use 2020-09-25 10:38:19 +00:00
tcpip.h
toecore.c net: clean up empty lines in .c and .h files 2020-09-01 21:19:14 +00:00
toecore.h Initial support for kernel offload of TLS receive. 2020-04-27 23:17:19 +00:00
udp_usrreq.c Implement flowid calculation for outbound connections to balance 2020-10-18 17:15:47 +00:00
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