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freebsd-nq/sys/netinet
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Randall Stewart dadbc04250 tcp: rack fails to send out a TLP after a MTU change 
When rack sends out a TLP it sets up various state to make sure
it avoids the cwnd (its been more than 1 RTT since our last send) and
it may at times send new data. If an MTU change as occurred
and our cwnd has collapsed we can have a situation where must_retran
flag is set and we obey the cwnd thus never sending the TLP and then
sitting stuck.

This one line fix addresses that problem
Reviewed by: Michael Tuexen
Sponsored by: Netflix Inc.
Differential Revision: https://reviews.freebsd.org/D33231
2021-12-06 09:56:09 -05:00
..
cc Revert "wpa: Import wpa_supplicant/hostapd commit 14ab4a816" 2021-12-02 14:45:04 -08:00
khelp
libalias Fix fragmented UDP packets handling since rev.360967. 2021-10-15 16:48:12 -07:00
netdump netdump: send key before dump, in case dump fails 2021-08-11 10:54:56 -05:00
tcp_stacks tcp: rack fails to send out a TLP after a MTU change 2021-12-06 09:56:09 -05:00
accf_data.c
accf_dns.c
accf_http.c net: clean up empty lines in .c and .h files 2020-09-01 21:19:14 +00:00
dccp.h
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 Use network epoch to protect local IPv4 addresses hash. 2021-10-22 14:40:53 -07:00
if_ether.h
igmp_var.h igmp: convert igmpstat to use PCPU counters 2020-11-08 18:49:23 +00:00
igmp.c Remove in_ifaddr_lock acquisiton to access in_ifaddrhead. 2021-10-13 10:04:46 -07:00
igmp.h
in_cksum.c netinet: Implement in_cksum_skip() using m_apply() 2021-11-24 13:31:16 -05:00
in_debug.c Use network epoch to protect local IPv4 addresses hash. 2021-10-22 14:40:53 -07:00
in_fib_algo.c Fix IPv4 fib bsearch4() lookup array construction. 2021-01-17 20:32:26 +00:00
in_fib_dxr.c [fib_algo][dxr] Retire counters which are no longer used 2021-10-09 13:47:10 +02:00
in_fib.c Fix some common typos in comments 2021-08-08 10:16:06 +02:00
in_fib.h Refactor fib4/fib6 functions. 2020-11-29 13:41:49 +00:00
in_gif.c Use network epoch to protect local IPv4 addresses hash. 2021-10-22 14:40:53 -07:00
in_jail.c
in_kdtrace.c
in_kdtrace.h
in_mcast.c Use network epoch to protect local IPv4 addresses hash. 2021-10-22 14:40:53 -07:00
in_pcb_var.h Revert "wpa: Import wpa_supplicant/hostapd commit 14ab4a816" 2021-12-02 14:45:04 -08:00
in_pcb.c in_pcb: delay crfree() down into UMA dtor 2021-12-05 10:46:37 -08:00
in_pcb.h Revert "wpa: Import wpa_supplicant/hostapd commit 14ab4a816" 2021-12-02 14:45:04 -08:00
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 Revert "wpa: Import wpa_supplicant/hostapd commit 14ab4a816" 2021-12-02 14:45:04 -08:00
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 Use network epoch to protect local IPv4 addresses hash. 2021-10-22 14:40:53 -07:00
in.c kernel: partially revert e9efb1125a15, default inet mask 2021-11-14 14:12:25 -06:00
in.h Add in_localip_fib(), in6_localip_fib(). 2021-11-12 08:59:42 -08:00
ip6.h net: Introduce IPV6_DSCP(), IPV6_ECN() and IPV6_TRAFFIC_CLASS() macros 2021-03-04 20:56:48 +01:00
ip_carp.c carp: deal with negative net.inet.carp.demotion 2021-11-01 17:08:23 +01:00
ip_carp.h
ip_divert.c Revert "wpa: Import wpa_supplicant/hostapd commit 14ab4a816" 2021-12-02 14:45:04 -08:00
ip_divert.h
ip_dummynet.h ipfw: use unsigned int for dummynet bandwidth 2021-08-19 10:48:53 +02:00
ip_ecn.c
ip_ecn.h
ip_encap.c
ip_encap.h
ip_fastfwd.c routing: Allow using IPv6 next-hops for IPv4 routes (RFC 5549). 2021-08-22 22:56:08 +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 Revert "wpa: Import wpa_supplicant/hostapd commit 14ab4a816" 2021-12-02 14:45:04 -08:00
ip_icmp.c Use network epoch to protect local IPv4 addresses hash. 2021-10-22 14:40:53 -07:00
ip_icmp.h
ip_id.c
ip_input.c Revert "wpa: Import wpa_supplicant/hostapd commit 14ab4a816" 2021-12-02 14:45:04 -08:00
ip_mroute.c mroute: add missing WUNLOCK 2021-10-28 07:12:23 +02:00
ip_mroute.h ip_mroute: rework ip_mroute 2021-05-31 05:48:15 +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 netinet: Remove unneeded mb_unmapped_to_ext() calls 2021-11-24 13:31:16 -05:00
ip_reass.c ip_reass: do less work in ipreass_slowtimo if possible 2021-08-14 18:50:12 +02:00
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 Revert "wpa: Import wpa_supplicant/hostapd commit 14ab4a816" 2021-12-02 14:45:04 -08:00
sctp_asconf.c sctp: cleanup, no functional change intended 2021-09-15 10:18:11 +02:00
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 sctp: remove some set, but unused variables 2021-08-09 15:58:46 +02:00
sctp_constants.h sctp: Fix errno in case of association setup failures 2021-07-09 23:19:25 +02:00
sctp_crc32.c sctp: Use m_apply() to calcuate a checksum for an mbuf chain 2021-11-16 13:36:30 -05:00
sctp_crc32.h
sctp_header.h Whitespace changes. 2020-09-24 12:26:06 +00:00
sctp_indata.c sctp: Fix errno in case of association setup failures 2021-07-09 23:19:25 +02:00
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: improve consistency, no functional change intended 2021-11-26 12:53:43 +01:00
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 sctp: Simplify stream scheduler usage 2021-09-21 17:13:57 +02:00
sctp_module.c
sctp_os_bsd.h sctp: use the correct traffic class when sending SCTP/IPv6 packets 2021-12-03 21:36:44 +01:00
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: use the correct traffic class when sending SCTP/IPv6 packets 2021-12-03 21:36:44 +01:00
sctp_output.h Whitespace changes. 2020-09-24 12:26:06 +00:00
sctp_pcb.c sctp: unbreak NOINET6 builds. 2021-12-04 19:16:18 +01:00
sctp_pcb.h sctp: Tighten up locking around sctp_aloc_assoc() 2021-09-11 10:15:21 -04:00
sctp_peeloff.c sctp: Remove an unused sctp_inpcb field 2021-09-07 11:19:29 -04:00
sctp_peeloff.h
sctp_ss_functions.c sctp: improve KASSERT messages 2021-10-08 11:33:56 +02:00
sctp_structs.h sctp: Cleanup stream schedulers. 2021-09-23 14:16:56 +02:00
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: avoid locking an already locked mutex 2021-09-28 05:17:03 +02:00
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 sctp: improve handling of assoc ids in socket options 2021-12-01 14:54:55 +01:00
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: improve consistency, no functional change intended 2021-11-26 12:53:43 +01:00
sctputil.h sctp: Fix errno in case of association setup failures 2021-07-09 23:19:25 +02:00
siftr.c SIFTR: Fix compilation with -DSIFTR_IPV6 2021-11-04 00:32:17 +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 inet: remove tcp_debug from netinet/tcp_debug.h 2021-11-01 23:10:30 +00:00
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 tcp: Remove unused v6 state definitions 2021-08-27 08:31:32 -04:00
tcp_hostcache.c tcp(4): Fix a typo in a sysctl description 2021-11-30 07:17:30 +01:00
tcp_hpts.c Revert "wpa: Import wpa_supplicant/hostapd commit 14ab4a816" 2021-12-02 14:45:04 -08:00
tcp_hpts.h Revert "wpa: Import wpa_supplicant/hostapd commit 14ab4a816" 2021-12-02 14:45:04 -08:00
tcp_input.c Revert "wpa: Import wpa_supplicant/hostapd commit 14ab4a816" 2021-12-02 14:45:04 -08:00
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 tcp: Add hystart-plus to cc_newreno and rack. 2021-10-22 07:10:28 -04:00
tcp_lro.c Revert "wpa: Import wpa_supplicant/hostapd commit 14ab4a816" 2021-12-02 14:45:04 -08:00
tcp_lro.h Update the TCP LRO code to handle both encrypted and un-encrypted traffic. 2021-08-06 11:28:44 +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: Preparation for allowing hardware TLS to be able to kick a tcp connection that is retransmitting too much out of hardware and back to software. 2021-06-25 09:30:54 -04:00
tcp_pcap.c
tcp_pcap.h
tcp_ratelimit.c Add a switch structure for send tags. 2021-09-14 11:43:41 -07:00
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: A better fix for the previously attempted fix of the ack-war issue with tcp. 2021-06-04 05:26:43 -04:00
tcp_sack.c tcp: Make dsack stats available in netstat and also make sure its aware of TLP's. 2021-10-01 10:36:27 -04:00
tcp_seq.h
tcp_stats.c
tcp_subr.c tcp_ccalgounload(): initialize the inpcb iterator when curvnet is set 2021-12-03 12:39:56 -08:00
tcp_syncache.c Revert "wpa: Import wpa_supplicant/hostapd commit 14ab4a816" 2021-12-02 14:45:04 -08:00
tcp_syncache.h tcp: add support for TCP over UDP 2021-04-18 16:16:42 +02:00
tcp_timer.c Add tcp_freecb() - single place to free tcpcb. 2021-11-18 20:27:45 -08:00
tcp_timer.h Add tcp_freecb() - single place to free tcpcb. 2021-11-18 20:27:45 -08:00
tcp_timewait.c Revert "wpa: Import wpa_supplicant/hostapd commit 14ab4a816" 2021-12-02 14:45:04 -08:00
tcp_usrreq.c tcp_usr_detach: revert debugging piece from f5cf1e5f5a. 2021-11-13 08:33:32 -08:00
tcp_var.h Revert "wpa: Import wpa_supplicant/hostapd commit 14ab4a816" 2021-12-02 14:45:04 -08:00
tcp.h tcp: socket option to get stack alias name 2021-10-27 08:21:59 -07:00
tcpip.h
toecore.c routing: Allow using IPv6 next-hops for IPv4 routes (RFC 5549). 2021-08-22 22:56:08 +00:00
toecore.h Path MTU discovery hooks for offloaded TCP connections. 2021-04-21 13:00:16 -07:00
udp_usrreq.c udp_detach(): fix set but not used warning 2021-12-02 20:12:40 -08:00
udp_var.h Revert "wpa: Import wpa_supplicant/hostapd commit 14ab4a816" 2021-12-02 14:45:04 -08:00
udp.h
udplite.h