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freebsd-skq/sys/netinet
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Gleb Smirnoff d554522f6e tcp_hostcache: use SMR for lookups, mutex(9) for updates. 
In certain cases, e.g. a SYN-flood from a limited set of hosts,
the TCP hostcache becomes the main contention point. To solve
that, this change introduces lockless lookups on the hostcache.

The cache remains a hash, however buckets are now CK_SLIST. For
updates a bucket mutex is obtained, for read an SMR section is
entered.

Reviewed by:	markj, rscheff
Differential revision:	https://reviews.freebsd.org/D29729
2021-04-20 10:02:20 -07:00
..
cc
tcp: Rename rfc6675_pipe to sack.revised, and enable by default
2021-04-17 14:59:45 +02:00
khelp
…
libalias
Fix for natd(8) sending wrong sequence number after TCP retransmission,
2021-02-22 17:13:58 +01:00
netdump
Use zfree() instead of explicit_bzero() and free().
2020-06-25 20:17:34 +00:00
tcp_stacks
tcp: add support for TCP over UDP
2021-04-18 16:16:42 +02:00
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 leaking mbuf when source validation fails
2021-01-08 13:32:04 -05:00
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.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
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
Always use inp fib in the inp_lookup_mcast_ifp().
2021-04-10 13:47:49 +00:00
in_pcb.c
tcp_input: always request read-locking of PCB for any pure SYN segment.
2021-04-20 10:02:20 -07:00
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
capsicum: Limit socket operations in capability mode
2021-04-07 14:32:56 -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
carp: replace caddr_t with char *
2019-12-06 16:35:48 +00:00
ip_divert.c
ipdivert: check that PCB is still valid after taking INPCB_RLOCK.
2021-03-30 12:31:09 +03:00
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
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
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
Flush remaining routes from the routing table during VNET shutdown.
2021-03-10 21:10:14 +00:00
ip_mroute.c
Revert "SO_RERROR indicates that receive buffer overflows should be handled as errors."
2021-02-08 22:32:32 +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
Catch up with 6edfd179c86: mechanically rename IFCAP_NOMAP to IFCAP_MEXTPG.
2021-01-29 11:46:24 -08:00
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
Revert "SO_RERROR indicates that receive buffer overflows should be handled as errors."
2021-02-08 22:32:32 +00:00
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
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
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: improve consistency
2021-01-24 00:07:41 +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
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
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
Don't pass RFPROC to kproc_create(), it is redundant.
2021-03-12 09:48:10 -08:00
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
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
sctp: fix handling of RTO.initial of 1 ms
2021-03-22 16:44:18 +01:00
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
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_input: always request read-locking of PCB for any pure SYN segment.
2021-04-20 10:02:20 -07:00
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
Fix some common typos in comments
2021-03-13 18:26:15 +01:00
tcp_lro.c
Add TCP LRO support for VLAN and VxLAN.
2021-04-20 13:36:22 +02:00
tcp_lro.h
Add TCP LRO support for VLAN and VxLAN.
2021-04-20 13:36:22 +02:00
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
tcp: add support for TCP over UDP
2021-04-18 16:16:42 +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
Fix LINT kernel builds after 1a714ff20419 .
2021-02-01 14:24:15 +01:00
tcp_ratelimit.h
Fix LINT kernel builds after 1a714ff20419 .
2021-02-01 14:24:15 +01:00
tcp_reass.c
Prevent premature SACK block transmission during loss recovery
2020-11-08 18:47:05 +00:00
tcp_sack.c
tcp: Deal with DSACKs, and adjust rescue hole on success.
2021-04-20 14:54:28 +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
Add TCP LRO support for VLAN and VxLAN.
2021-04-20 13:36:22 +02:00
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_input: always request read-locking of PCB for any pure SYN segment.
2021-04-20 10:02:20 -07:00
tcp_usrreq.c
tcp: add support for TCP over UDP
2021-04-18 16:16:42 +02:00
tcp_var.h
Add TCP LRO support for VLAN and VxLAN.
2021-04-20 13:36:22 +02:00
tcp.h
tcp: add support for TCP over UDP
2021-04-18 16:16:42 +02:00
tcpip.h
…
toecore.c
tcp: add support for TCP over UDP
2021-04-18 16:16:42 +02:00
toecore.h
Initial support for kernel offload of TLS receive.
2020-04-27 23:17:19 +00:00
udp_usrreq.c
[udp] fix possible mbuf and lock leak in udp_input().
2021-02-11 12:08:41 +03:00
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