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freebsd-dev/sys/netinet
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Randall Stewart 25685b7537 TCP: Misc cleanups of tcp_subr.c 
In going through all the TCP stacks I have found we have a few little bugs and niggles that need to
be cleaned up in tcp_subr.c including the following:

a) Set tcp_restoral_thresh to 450 (45%) not 550. This is a better proven value in my testing.
b) Lets track when we try to do pacing but fail via a counter for connections that do pace.
c) If a switch away from the default stack occurs and it fails we need to make sure the time
   scale is in the right mode (just in case the other stack changed it but then failed).
d) Use the TP_RXTCUR() macro when starting the TT_REXMT timer.
e) When we end a default flow lets log that in BBlogs as well as cleanup any t_acktime (disable).
f) When we respond with a RST lets make sure to update the log_end_status properly.
g) When starting a new pcb lets assure that all LRO features are off.
h) When discarding a connection lets make sure that any t_in_pkt's that might be there are freed properly.

Reviewed by: tuexen
Sponsored by: Netflix Inc
Differential Revision:https://reviews.freebsd.org/D39501
2023-04-13 09:29:05 -04:00
..
cc 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
khelp tcp: provide macros to access inpcb and socket from a tcpcb 2022-11-08 10:24:40 -08:00
libalias libalias: Mark set but unused variables as unused. 2023-04-10 10:35:29 -07:00
netdump IfAPI: Explicitly include <net/if_private.h> in netstack 2023-01-31 15:02:16 -05:00
tcp_stacks tcp: Rack - in the absence of LRO fixed rate pacing (loopback or interfaces with no LRO) does not work correctly. 2023-04-10 16:33:56 -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 pf: apply the network stack's ICMP rate limiting to ICMP errors sent by pf 2022-10-14 10:36:16 +02:00
icmp_var.h net: clean up empty lines in .c and .h files 2020-09-01 21:19:14 +00:00
if_ether.c IfAPI: Explicitly include <net/if_private.h> in netstack 2023-01-31 15:02:16 -05:00
if_ether.h
igmp_var.h igmp: use callout(9) directly instead of pr_slowtimo, pr_fasttimo 2022-08-17 11:50:31 -07:00
igmp.c IfAPI: Explicitly include <net/if_private.h> in netstack 2023-01-31 15:02:16 -05:00
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: shift / mask by constants in dxr_lookup() 2022-01-17 00:13:47 +01:00
in_fib.c IfAPI: Explicitly include <net/if_private.h> in netstack 2023-01-31 15:02:16 -05:00
in_fib.h Refactor fib4/fib6 functions. 2020-11-29 13:41:49 +00:00
in_gif.c IfAPI: Explicitly include <net/if_private.h> in netstack 2023-01-31 15:02:16 -05:00
in_jail.c jail: convert several functions from int to bool 2023-03-14 21:05:33 -06:00
in_kdtrace.c Fix dtrace SDT probe tcp:::debug-input 2021-12-20 17:15:43 -09:00
in_kdtrace.h tcp: retire TCPDEBUG 2022-12-14 09:54:06 -08:00
in_mcast.c in_mcat.c: change multicast not member condition 2023-03-03 22:25:17 -07:00
in_pcb_var.h in_pcb: use jenkins hash over the entire IPv6 (or IPv4) address 2021-12-26 10:47:28 -08:00
in_pcb.c netinet: Tighten checks for unspecified source addresses 2023-03-06 15:06:00 -05:00
in_pcb.h netinet: Remove the IP(V6)_RSS_LISTEN_BUCKET socket option 2023-02-28 15:57:21 -05:00
in_prot.c
in_proto.c netinet*: add back necessary headers 2022-10-26 08:16:44 -07:00
in_rmx.c IfAPI: Explicitly include <net/if_private.h> in netstack 2023-01-31 15:02:16 -05:00
in_rss.c in_rss: fix set but not used warning 2022-05-07 18:17:33 +02:00
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 inet: Simplify if_multiaddrs iteration. 2022-10-08 13:10:07 -04:00
in.c IfAPI: Explicitly include <net/if_private.h> in netstack 2023-01-31 15:02:16 -05:00
in.h netinet: Remove the IP(V6)_RSS_LISTEN_BUCKET socket option 2023-02-28 15:57:21 -05:00
ip6.h tcp: use IPV6_FLOWLABEL_LEN 2023-04-11 18:53:51 +02:00
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 carp: allow commands to use interface name rather than index 2023-03-31 11:29:58 +02:00
ip_carp.h protosw: separate pr_input and pr_ctlinput out of protosw 2022-08-17 11:50:31 -07:00
ip_divert.c IfAPI: Explicitly include <net/if_private.h> in netstack 2023-01-31 15:02:16 -05:00
ip_divert.h divert(4): provide statistics 2022-08-30 15:09:21 -07:00
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 IfAPI: Explicitly include <net/if_private.h> in netstack 2023-01-31 15:02:16 -05:00
ip_fw.h ipfw: add support radix tables and table lookup for MAC addresses 2022-06-04 19:12:29 +03:00
ip_gre.c IfAPI: Explicitly include <net/if_private.h> in netstack 2023-01-31 15:02:16 -05:00
ip_icmp.c netinet: Disallow unspecified addresses in ICMP-embedded packets 2023-03-13 10:45:56 -04:00
ip_icmp.h netinet*: remove PRC_ constants and streamline ICMP processing 2022-10-03 20:53:04 -07:00
ip_id.c
ip_input.c netinet: Tighten checks for unspecified source addresses 2023-03-06 15:06:00 -05:00
ip_mroute.c mroute: partially sanitize the file 2023-02-23 13:35:44 +00:00
ip_mroute.h IPv4 multicast: fix netstat -g 2022-03-22 07:38:01 -05:00
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 the IP(V6)_RSS_LISTEN_BUCKET socket option 2023-02-28 15:57:21 -05:00
ip_reass.c IfAPI: Explicitly include <net/if_private.h> in netstack 2023-01-31 15:02:16 -05:00
ip_var.h ipfw: garbage collect ip_fw_chk_ptr 2023-03-03 10:30:15 -08:00
ip.h ip_reass: retire ipreass_slowtimo() in favor of per-slot callout 2022-09-08 13:49:58 -07:00
pim_var.h
pim.h
raw_ip.c ipfw: garbage collect ip_fw_chk_ptr 2023-03-03 10:30:15 -08:00
sctp_asconf.c sctp: improve consistency 2022-05-14 06:28:19 +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 sctp: Remove unused variable. 2022-04-12 14:58:59 -07:00
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: plug set-but-not-used vars 2022-04-19 12:45:57 +00:00
sctp_constants.h sctp: initial implementation of draft-tuexen-tsvwg-sctp-zero-checksum 2023-03-10 01:45:46 +01:00
sctp_crc32.c sctp: fix a signed/unsigned mismatch. 2022-02-17 22:45:57 +01:00
sctp_crc32.h sctp: fix a signed/unsigned mismatch. 2022-02-17 22:45:57 +01:00
sctp_header.h sctp: improve negotiation of zero checksum feature 2023-03-15 22:29:52 +01:00
sctp_indata.c sctp: tweak panic message 2022-08-03 17:28:15 +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: enforce Kahn's rule during the handshake 2023-03-16 17:40:40 +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: get rid of stcb send lock 2022-03-29 01:50:17 +02:00
sctp_module.c protosw: refactor protosw and domain static declaration and load 2022-08-17 11:50:32 -07:00
sctp_os_bsd.h IfAPI: Explicitly include <net/if_private.h> in netstack 2023-01-31 15:02:16 -05:00
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: fix typo in assignment 2023-03-18 23:58:50 +01:00
sctp_output.h sctp: cleanup the SCTP_MAXSEG socket option. 2021-12-27 23:40:31 +01:00
sctp_pcb.c sctp: initial implementation of draft-tuexen-tsvwg-sctp-zero-checksum 2023-03-10 01:45:46 +01:00
sctp_pcb.h sctp: initial implementation of draft-tuexen-tsvwg-sctp-zero-checksum 2023-03-10 01:45:46 +01:00
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: fix typos 2022-03-29 21:09:51 +02:00
sctp_structs.h sctp: initial implementation of draft-tuexen-tsvwg-sctp-zero-checksum 2023-03-10 01:45:46 +01:00
sctp_syscalls.c sctp: ansify 2023-02-13 18:17:10 +00:00
sctp_sysctl.c sctp: initial implementation of draft-tuexen-tsvwg-sctp-zero-checksum 2023-03-10 01:45:46 +01:00
sctp_sysctl.h sctp: initial implementation of draft-tuexen-tsvwg-sctp-zero-checksum 2023-03-10 01:45:46 +01:00
sctp_timer.c Fix unused variable warning in sctp_timer.c 2022-07-25 22:08:28 +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 sctp: initial implementation of draft-tuexen-tsvwg-sctp-zero-checksum 2023-03-10 01:45:46 +01:00
sctp_usrreq.c sctp: allow disabling of SCTP_ACCEPT_ZERO_CHECKSUM socket option 2023-03-15 22:55:23 +01:00
sctp_var.h sctp: minor changes due to upstreaming of Glebs recent changes 2022-11-06 23:06:40 +01:00
sctp.h sctp: initial implementation of draft-tuexen-tsvwg-sctp-zero-checksum 2023-03-10 01:45:46 +01:00
sctputil.c sctp: initial implementation of draft-tuexen-tsvwg-sctp-zero-checksum 2023-03-10 01:45:46 +01:00
sctputil.h sctp: more sb_cc related cleanups 2022-05-23 16:09:23 +02:00
siftr.c pfil: add pfil_mem_{in,out}() and retire pfil_run_hooks() 2023-02-14 10:02:49 -08:00
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 tcp: retire TCPDEBUG 2022-12-14 09:54:06 -08:00
tcp_ecn.h tcp: add conservative d.cep accounting algorithm 2022-11-06 12:05:22 +01:00
tcp_fastopen.c tcp: provide macros to access inpcb and socket from a tcpcb 2022-11-08 10:24:40 -08:00
tcp_fastopen.h Use stub inline functions for no-op versions of tcp_fastopen*(). 2022-04-08 17:25:13 -07:00
tcp_fsm.h tcp: remove a 4.4BSD relic 2022-12-13 20:21:45 -08:00
tcp_hostcache.c tcp(4): Fix a typo in a sysctl description 2021-11-30 07:17:30 +01:00
tcp_hpts.c tcp: reduce argument list to functions that pass a segment 2023-04-07 12:18:06 -07:00
tcp_hpts.h tcp_hpts: plug a compiler warn 2023-04-05 14:32:13 +00:00
tcp_input.c tcp: reduce argument list to functions that pass a segment 2023-04-07 12:18:06 -07:00
tcp_log_buf.c Fixes in the tcp infrastructure with respect to stack changes as well as other infrastructure updates for incoming rack features. 2023-04-01 01:46:38 -04:00
tcp_log_buf.h tcp: misc cleanup of options for rack as well as socket option logging. 2023-04-07 10:15:29 -04:00
tcp_lro.c tcp_lro: When processing compressed acks lets support the new early wake feature for rack. 2023-04-12 11:35:14 -04:00
tcp_lro.h tcp_lro: Fix for undefined behaviour. 2023-01-13 11:18:19 +01:00
tcp_offload.c IfAPI: Explicitly include <net/if_private.h> in netstack 2023-01-31 15:02:16 -05:00
tcp_offload.h Path MTU discovery hooks for offloaded TCP connections. 2021-04-21 13:00:16 -07:00
tcp_output.c tcp: use IPV6_FLOWLABEL_LEN 2023-04-11 18:53:51 +02:00
tcp_pcap.c tcp: embed inpcb into tcpcb 2022-12-07 09:00:48 -08:00
tcp_pcap.h
tcp_ratelimit.c 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_ratelimit.h rack and bbr not loading if TCP_RATELIMIT is not configured. 2023-01-05 11:59:52 -05:00
tcp_reass.c tcp: retire TCPDEBUG 2022-12-14 09:54:06 -08:00
tcp_sack.c tcp: send SACK rescue retransmission also mid-stream 2023-03-28 04:47:01 +02:00
tcp_seq.h tcp: Correctly compute the retransmit length for all 64-bit platforms. 2022-06-03 10:49:17 +02:00
tcp_stats.c tcp: add missing void keyword to tcp_stats_init 2023-02-13 18:38:04 +00:00
tcp_subr.c TCP: Misc cleanups of tcp_subr.c 2023-04-13 09:29:05 -04:00
tcp_syncache.c tcp: use IPV6_FLOWLABEL_LEN 2023-04-11 18:53:51 +02:00
tcp_syncache.h tcp: Add/update AccECN related statistics and numbers 2022-02-10 00:21:31 +01:00
tcp_timer.c 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_timer.h tcp: rearrange enum and remove unused variable 2023-02-21 18:26:49 +01:00
tcp_timewait.c tcp: retire TCPDEBUG 2022-12-14 09:54:06 -08:00
tcp_usrreq.c tcp: pass tcpcb in the tfb_tcp_ctloutput() method instead of inpcb 2023-04-07 12:18:10 -07:00
tcp_var.h tcp: pass tcpcb in the tfb_tcp_ctloutput() method instead of inpcb 2023-04-07 12:18:10 -07:00
tcp.h tcp: misc cleanup of options for rack as well as socket option logging. 2023-04-07 10:15:29 -04:00
tcpip.h
toecore.c IfAPI: Explicitly include <net/if_private.h> in netstack 2023-01-31 15:02:16 -05:00
toecore.h Path MTU discovery hooks for offloaded TCP connections. 2021-04-21 13:00:16 -07:00
udp_usrreq.c inpcb: use family specific sockaddr argument for bind functions 2023-02-15 10:30:16 -08:00
udp_var.h udp: add protocol method declarations to udp_var.h 2022-12-07 11:51:49 -08:00
udp.h headers: make a few more headers self-contained 2022-01-03 10:12:30 +01:00
udplite.h