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30409ecdb6
freebsd/sys/netinet
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Richard Scheffenegger 30409ecdb6 tcp: do not purge SACK scoreboard on first RTO 
Keeping the SACK scoreboard intact after the first RTO
and retransmitting all data anew only on subsequent RTOs
allows a more timely and efficient loss recovery under
many adverse cirumstances.

Reviewed By:           tuexen, #transport
MFC after:             10 weeks
Sponsored by:          NetApp, Inc.
Differential Revision: https://reviews.freebsd.org/D42906
2024-01-06 20:25:38 +01:00
..
cc sys: Automated cleanup of cdefs and other formatting 2023-11-26 22:24:00 -07:00
khelp sys: Automated cleanup of cdefs and other formatting 2023-11-26 22:24:00 -07:00
libalias sys: Remove $FreeBSD$: one-line bare tag 2023-08-16 11:55:17 -06:00
netdump netdump: Check the return value of ifunit_ref() 2023-10-02 08:09:26 -04:00
tcp_stacks sys: Style fix for M_EXT | M_EXTPG 2023-12-28 11:17:59 -08:00
accf_data.c sys: Remove $FreeBSD$: one-line .c pattern 2023-08-16 11:54:36 -06:00
accf_dns.c sys: Remove $FreeBSD$: two-line .h pattern 2023-08-16 11:54:11 -06:00
accf_http.c sys: Remove $FreeBSD$: one-line .c pattern 2023-08-16 11:54:36 -06:00
dccp.h sys: Remove $FreeBSD$: two-line .h pattern 2023-08-16 11:54:11 -06:00
icmp6.h sys: Remove ancient SCCS tags. 2023-11-26 22:23:30 -07:00
icmp_var.h sys: Remove ancient SCCS tags. 2023-11-26 22:23:30 -07:00
if_ether.c sys: Remove ancient SCCS tags. 2023-11-26 22:23:30 -07:00
if_ether.h sys: Remove ancient SCCS tags. 2023-11-26 22:23:30 -07:00
igmp_var.h sys: Remove ancient SCCS tags. 2023-11-26 22:23:30 -07:00
igmp.c sys: Remove ancient SCCS tags. 2023-11-26 22:23:30 -07:00
igmp.h sys: Remove ancient SCCS tags. 2023-11-26 22:23:30 -07:00
in_cksum.c sys: Automated cleanup of cdefs and other formatting 2023-11-26 22:24:00 -07:00
in_debug.c sys: Remove $FreeBSD$: one-line .c pattern 2023-08-16 11:54:36 -06:00
in_fib_algo.c sys: Remove $FreeBSD$: one-line .c pattern 2023-08-16 11:54:36 -06:00
in_fib_dxr.c sys: Remove $FreeBSD$: one-line .c pattern 2023-08-16 11:54:36 -06:00
in_fib.c sys: Remove $FreeBSD$: one-line .c pattern 2023-08-16 11:54:36 -06:00
in_fib.h sys: Remove $FreeBSD$: two-line .h pattern 2023-08-16 11:54:11 -06:00
in_gif.c sys: Remove $FreeBSD$: one-line .c pattern 2023-08-16 11:54:36 -06:00
in_jail.c sys: Remove $FreeBSD$: one-line .c pattern 2023-08-16 11:54:36 -06:00
in_kdtrace.c sys: Automated cleanup of cdefs and other formatting 2023-11-26 22:24:00 -07:00
in_kdtrace.h sys: Remove $FreeBSD$: two-line .h pattern 2023-08-16 11:54:11 -06:00
in_mcast.c mcast: fix leaked igmp packets on multicast cleanup 2023-12-14 22:06:01 +01:00
in_pcb_var.h sys: Remove ancient SCCS tags. 2023-11-26 22:23:30 -07:00
in_pcb.c inpcb: poison several inpcb pointer in in_pcbfree() 2023-12-27 08:34:37 -08:00
in_pcb.h inpcb: reoder inpcb destruction 2023-12-27 08:34:37 -08:00
in_prot.c Fix 'security.bsd.see_jail_proc' by using cr_bsd_visible() 2023-09-28 11:59:08 -03:00
in_proto.c sys: Remove ancient SCCS tags. 2023-11-26 22:23:30 -07:00
in_rmx.c sys: Automated cleanup of cdefs and other formatting 2023-11-26 22:24:00 -07:00
in_rss.c sys: Remove $FreeBSD$: two-line .c pattern 2023-08-16 11:54:30 -06:00
in_rss.h sys: Remove $FreeBSD$: two-line .h pattern 2023-08-16 11:54:11 -06:00
in_systm.h sys: Remove ancient SCCS tags. 2023-11-26 22:23:30 -07:00
in_var.h sys: Remove ancient SCCS tags. 2023-11-26 22:23:30 -07:00
in.c sys: Remove ancient SCCS tags. 2023-11-26 22:23:30 -07:00
in.h sys: Remove ancient SCCS tags. 2023-11-26 22:23:30 -07:00
ip6.h netinet: Define IPv6 ECN mask 2024-01-03 12:56:28 -05:00
ip_carp_nl.h carp: allow commands to use interface name rather than index 2023-03-31 11:29:58 +02:00
ip_carp.c netlink: move NETLINK define to opt_global.h 2023-10-13 09:23:47 +02:00
ip_carp.h sys: Remove $FreeBSD$: one-line .c comment pattern 2023-08-16 11:54:24 -06:00
ip_divert.c pf: use an enum for packet direction in divert tag 2023-10-20 09:16:08 +02:00
ip_divert.h sys: Remove $FreeBSD$: two-line .h pattern 2023-08-16 11:54:11 -06:00
ip_dummynet.h dummynet: add simple gilbert-elliott channel model 2023-12-17 13:20:45 +01:00
ip_ecn.c sys: Remove $FreeBSD$: one-line .c pattern 2023-08-16 11:54:36 -06:00
ip_ecn.h sys: Remove $FreeBSD$: one-line .c comment pattern 2023-08-16 11:54:24 -06:00
ip_encap.c sys: Remove $FreeBSD$: one-line .c pattern 2023-08-16 11:54:36 -06:00
ip_encap.h sys: Remove $FreeBSD$: one-line .c comment pattern 2023-08-16 11:54:24 -06:00
ip_fastfwd.c sys: Remove $FreeBSD$: one-line .c pattern 2023-08-16 11:54:36 -06:00
ip_fw.h sys: Remove $FreeBSD$: two-line .h pattern 2023-08-16 11:54:11 -06:00
ip_gre.c sys: Remove $FreeBSD$: one-line .c pattern 2023-08-16 11:54:36 -06:00
ip_icmp.c sys: Remove ancient SCCS tags. 2023-11-26 22:23:30 -07:00
ip_icmp.h sys: Remove ancient SCCS tags. 2023-11-26 22:23:30 -07:00
ip_id.c sys: Remove $FreeBSD$: one-line .c pattern 2023-08-16 11:54:36 -06:00
ip_input.c sys: Remove ancient SCCS tags. 2023-11-26 22:23:30 -07:00
ip_mroute.c ip_mroute: allow MRT_DEL_MFC even if there are pending upcalls 2023-12-14 22:04:43 +01:00
ip_mroute.h sys: Remove ancient SCCS tags. 2023-11-26 22:23:30 -07:00
ip_options.c sys: Remove $FreeBSD$: one-line .c pattern 2023-08-16 11:54:36 -06:00
ip_options.h sys: Remove $FreeBSD$: two-line .h pattern 2023-08-16 11:54:11 -06:00
ip_output.c sys: Remove ancient SCCS tags. 2023-11-26 22:23:30 -07:00
ip_reass.c vnet: (read) lock the vnet list while iterating it 2023-12-07 13:34:47 +01:00
ip_var.h sys: Remove ancient SCCS tags. 2023-11-26 22:23:30 -07:00
ip.h sys: Remove ancient SCCS tags. 2023-11-26 22:23:30 -07:00
pim_var.h sys: Remove $FreeBSD$: two-line .h pattern 2023-08-16 11:54:11 -06:00
pim.h sys: Remove $FreeBSD$: two-line .h pattern 2023-08-16 11:54:11 -06:00
raw_ip.c inpcb: reoder inpcb destruction 2023-12-27 08:34:37 -08:00
sctp_asconf.c sctp: cleanup cdefs.h include 2023-08-18 15:25:34 +02:00
sctp_asconf.h sctp: cleanup cdefs.h include 2023-08-18 15:25:34 +02:00
sctp_auth.c sctp: cleanup locking for notifications 2023-09-08 16:20:51 +02:00
sctp_auth.h sctp: cleanup SCTP AUTH related notification 2023-09-08 13:13:43 +02:00
sctp_bsd_addr.c sctp: cleanup cdefs.h include 2023-08-18 15:25:34 +02:00
sctp_bsd_addr.h sctp: cleanup cdefs.h include 2023-08-18 15:25:34 +02:00
sctp_cc_functions.c sctp: cleanup cdefs.h include 2023-08-18 15:25:34 +02:00
sctp_constants.h sctp: make sure all SCTP RESET notifications use sctp_ulp_notify() 2023-09-08 14:19:56 +02:00
sctp_crc32.c sys: Remove $FreeBSD$: one-line .c pattern 2023-08-16 11:54:36 -06:00
sctp_crc32.h sctp: cleanup cdefs.h include 2023-08-18 15:25:34 +02:00
sctp_header.h sctp: cleanup cdefs.h include 2023-08-18 15:25:34 +02:00
sctp_indata.c sctp: improve handling of socket shutdown for reading 2023-08-24 15:52:55 +02:00
sctp_indata.h sctp: cleanup cdefs.h include 2023-08-18 15:25:34 +02:00
sctp_input.c sctp: make sure all SCTP RESET notifications use sctp_ulp_notify() 2023-09-08 14:19:56 +02:00
sctp_input.h sctp: cleanup cdefs.h include 2023-08-18 15:25:34 +02:00
sctp_kdtrace.c sys: Automated cleanup of cdefs and other formatting 2023-11-26 22:24:00 -07:00
sctp_kdtrace.h sctp: cleanup cdefs.h include 2023-08-18 15:25:34 +02:00
sctp_lock_bsd.h sctp: cleanup cdefs.h include 2023-08-18 15:25:34 +02:00
sctp_module.c sys: Remove $FreeBSD$: one-line .c pattern 2023-08-16 11:54:36 -06:00
sctp_os_bsd.h sockets: don't malloc/free sockaddr memory on getpeername/getsockname 2023-11-30 08:31:10 -08:00
sctp_os.h sockets: don't malloc/free sockaddr memory on getpeername/getsockname 2023-11-30 08:31:10 -08:00
sctp_output.c sctp: cleanup cdefs.h include 2023-08-18 15:25:34 +02:00
sctp_output.h sctp: cleanup cdefs.h include 2023-08-18 15:25:34 +02:00
sctp_pcb.c sctp: Various fixes for loader tunables 2023-10-09 12:36:48 +08:00
sctp_pcb.h sctp: cleanup cdefs.h include 2023-08-18 15:25:34 +02:00
sctp_peeloff.c sctp: cleanup cdefs.h include 2023-08-18 15:25:34 +02:00
sctp_peeloff.h sctp: cleanup cdefs.h include 2023-08-18 15:25:34 +02:00
sctp_ss_functions.c sctp: cleanup cdefs.h include 2023-08-18 15:25:34 +02:00
sctp_structs.h sctp: cleanup handling of graceful shutdown of the peer 2023-08-19 12:35:49 +02:00
sctp_syscalls.c sys: Remove $FreeBSD$: one-line .c pattern 2023-08-16 11:54:36 -06:00
sctp_sysctl.c sctp: minor clean 2023-11-06 11:04:15 +01:00
sctp_sysctl.h sctp: cleanup cdefs.h include 2023-08-18 15:25:34 +02:00
sctp_timer.c sys: Automated cleanup of cdefs and other formatting 2023-11-26 22:24:00 -07:00
sctp_timer.h sctp: cleanup cdefs.h include 2023-08-18 15:25:34 +02:00
sctp_uio.h sctp: cleanup cdefs.h include 2023-08-18 15:25:34 +02:00
sctp_usrreq.c sockets: don't malloc/free sockaddr memory on getpeername/getsockname 2023-11-30 08:31:10 -08:00
sctp_var.h sockets: don't malloc/free sockaddr memory on getpeername/getsockname 2023-11-30 08:31:10 -08:00
sctp.h sys: Automated cleanup of cdefs and other formatting 2023-11-26 22:24:00 -07:00
sctputil.c sctp: don't call sctp_ulp_notify() recursively 2023-09-08 21:19:59 +02:00
sctputil.h sctp: make sure all SCTP RESET notifications use sctp_ulp_notify() 2023-09-08 14:19:56 +02:00
siftr.c siftr: refactor batch log processing 2023-12-07 14:48:44 +01:00
tcp_accounting.h Move access to tcp's t_logstate into inline functions and provide new tracepoint and bbpoint capabilities. 2023-03-16 11:43:16 -04:00
tcp_ecn.c sys: Remove ancient SCCS tags. 2023-11-26 22:23:30 -07:00
tcp_ecn.h sys: Remove ancient SCCS tags. 2023-11-26 22:23:30 -07:00
tcp_fastopen.c tcp: Initialize the maximum number of entries in a client cookie cache bucket 2023-09-03 04:34:07 +08:00
tcp_fastopen.h sys: Remove $FreeBSD$: two-line .h pattern 2023-08-16 11:54:11 -06:00
tcp_fsm.h sys: Remove ancient SCCS tags. 2023-11-26 22:23:30 -07:00
tcp_hostcache.c sys: Remove $FreeBSD$: one-line .c pattern 2023-08-16 11:54:36 -06:00
tcp_hpts.c hpts: avoid duplicate call to tcp_output() 2023-12-26 13:09:09 -08:00
tcp_hpts.h tcp_hpts: make the module unloadable 2023-12-19 10:21:56 -08:00
tcp_input.c tcp: do not purge SACK scoreboard on first RTO 2024-01-06 20:25:38 +01:00
tcp_log_buf.c sys: Remove $FreeBSD$: one-line .c pattern 2023-08-16 11:54:36 -06:00
tcp_log_buf.h sys: Remove $FreeBSD$: two-line .h pattern 2023-08-16 11:54:11 -06:00
tcp_lro_hpts.c tcp_hpts: make the module unloadable 2023-12-19 10:21:56 -08:00
tcp_lro.c kern/subr_trap.c: repair the HPTS performance hack in userret() 2023-12-04 10:19:46 -08:00
tcp_lro.h hpts/lro: make tcp_lro_flush_tcphpts() and tcp_run_hpts() pointers 2023-12-04 10:19:46 -08:00
tcp_offload.c tcp_fill_info(): Change lock assertion on INPCB to locked only 2023-08-22 20:33:49 +02:00
tcp_offload.h tcp_fill_info(): Change lock assertion on INPCB to locked only 2023-08-22 20:33:49 +02:00
tcp_output.c sys: Style fix for M_EXT | M_EXTPG 2023-12-28 11:17:59 -08:00
tcp_pcap.c sys: Style fix for M_EXT | M_EXTPG 2023-12-28 11:17:59 -08:00
tcp_pcap.h sys: Remove $FreeBSD$: two-line .h pattern 2023-08-16 11:54:11 -06:00
tcp_ratelimit.c sys: Remove $FreeBSD$: one-line .c pattern 2023-08-16 11:54:36 -06:00
tcp_ratelimit.h tcp: Silence a -Wunused-function warning in tcp_ratelimit.h 2023-10-25 10:03:58 -04:00
tcp_reass.c sys: Remove ancient SCCS tags. 2023-11-26 22:23:30 -07:00
tcp_sack.c tcp: do not purge SACK scoreboard on first RTO 2024-01-06 20:25:38 +01:00
tcp_seq.h sys: Remove ancient SCCS tags. 2023-11-26 22:23:30 -07:00
tcp_stats.c sys: Automated cleanup of cdefs and other formatting 2023-11-26 22:24:00 -07:00
tcp_subr.c tcp_hpts: let tcp_hpts_init() set a random CPU only once 2023-12-07 14:41:43 -08:00
tcp_syncache.c inpcb: reoder inpcb destruction 2023-12-27 08:34:37 -08:00
tcp_syncache.h sys: Remove ancient SCCS tags. 2023-11-26 22:23:30 -07:00
tcp_timer.c tcp: do not purge SACK scoreboard on first RTO 2024-01-06 20:25:38 +01:00
tcp_timer.h sys: Remove ancient SCCS tags. 2023-11-26 22:23:30 -07:00
tcp_timewait.c sys: Remove ancient SCCS tags. 2023-11-26 22:23:30 -07:00
tcp_usrreq.c inpcb: reoder inpcb destruction 2023-12-27 08:34:37 -08:00
tcp_var.h tcp: do not purge SACK scoreboard on first RTO 2024-01-06 20:25:38 +01:00
tcp.h tcp: limit visibility of symbols 2024-01-06 12:00:38 +01:00
tcpip.h sys: Remove ancient SCCS tags. 2023-11-26 22:23:30 -07:00
toecore.c tcp_fill_info(): Change lock assertion on INPCB to locked only 2023-08-22 20:33:49 +02:00
toecore.h tcp_fill_info(): Change lock assertion on INPCB to locked only 2023-08-22 20:33:49 +02:00
udp_usrreq.c Fix udp IPv4-mapped address 2024-01-02 07:49:12 +01:00
udp_var.h sys: Remove ancient SCCS tags. 2023-11-26 22:23:30 -07:00
udp.h sys: Remove ancient SCCS tags. 2023-11-26 22:23:30 -07:00
udplite.h sys: Remove $FreeBSD$: two-line .h pattern 2023-08-16 11:54:11 -06:00