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ab26135efc
freebsd-skq/sys/netinet
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lstewart ab26135efc - Switch the "net.inet.tcp.reass.cursegments" and 
"net.inet.tcp.reass.maxsegments" sysctl variables to be based on UMA zone
  stats. The value returned by the cursegments sysctl is approximate owing to
  the way in which uma_zone_get_cur is implemented.

- Discontinue use of V_tcp_reass_qsize as a global reassembly segment count
  variable in the reassembly implementation. The variable was used without
  proper synchronisation and was duplicating accounting done by UMA already. The
  lack of synchronisation was particularly problematic on SMP systems
  terminating many TCP sessions, resulting in poor TCP performance for
  connections with non-zero packet loss.

Sponsored by:	FreeBSD Foundation
Reviewed by:	andre, gnn, rpaulo (as part of a larger patch)
MFC after:	2 weeks
2010-10-16 05:37:45 +00:00
..
ipfw put back the assigment to sched_time. It was correct, and 2010-10-01 15:38:35 +00:00
libalias Don't use struct timezone. 2010-08-08 02:51:32 +00:00
accf_data.c Rework socket upcalls to close some races with setup/teardown of upcalls. 2009-06-01 21:17:03 +00:00
accf_dns.c Rework socket upcalls to close some races with setup/teardown of upcalls. 2009-06-01 21:17:03 +00:00
accf_http.c Rework socket upcalls to close some races with setup/teardown of upcalls. 2009-06-01 21:17:03 +00:00
icmp6.h MFP4: @176978-176982, 176984, 176990-176994, 177441 2010-04-29 11:52:42 +00:00
icmp_var.h Many network stack subsystems use a single global data structure to hold 2009-08-02 19:43:32 +00:00
if_atm.c
if_atm.h
if_ether.c Unbreak LINT by moving all carp hooks to net/if.c / netinet/ip_carp.h, with 2010-08-11 20:18:19 +00:00
if_ether.h Add arp_update_event. This replaces route_arp_update_event, which 2009-09-08 21:17:17 +00:00
igmp_var.h Update stats in struct igmpstat using two new macros: 2009-04-12 13:41:13 +00:00
igmp.c Proper bracketing. 2010-10-01 11:48:14 +00:00
igmp.h These are no longer referenced in the tree, so can be safely removed. 2009-06-10 18:12:15 +00:00
in_cksum.c
in_gif.c MFP4: @176978-176982, 176984, 176990-176994, 177441 2010-04-29 11:52:42 +00:00
in_gif.h
in_mcast.c Fix a few issues related to the legacy 4.4 BSD multicast APIs. 2010-04-10 12:05:31 +00:00
in_pcb.c This patch fixes the problem where proxy ARP entries cannot be added 2010-05-25 20:42:35 +00:00
in_pcb.h Abstract out initialization of most aspects of struct inpcbinfo from 2010-03-14 18:59:11 +00:00
in_proto.c Allow carp(4) to be loaded as a kernel module. Follow precedent set by 2010-08-11 00:51:50 +00:00
in_rmx.c Add a bandaid for a long-standing race condition during route entry 2010-09-27 19:26:56 +00:00
in_systm.h Use uint32_t instead of n_long and n_time, and uint16_t instead of n_short. 2009-02-13 15:14:43 +00:00
in_var.h Remove unused VNET_SET() and related macros; only VNET_GET() is 2009-07-16 21:13:04 +00:00
in.c In case of RADIX_MPATH do not leak the IN_IFADDR read lock on 2010-09-04 16:06:01 +00:00
in.h Make the RPC specific __rpc_inet_ntop() and __rpc_inet_pton() general 2010-09-24 15:01:45 +00:00
ip6.h Start removing IPv6 Type 0 Routing header code. 2009-03-03 13:12:12 +00:00
ip_carp.c Do not convert some meaningful error value to EINVAL. 2010-09-20 12:23:10 +00:00
ip_carp.h Unbreak LINT by moving all carp hooks to net/if.c / netinet/ip_carp.h, with 2010-08-11 20:18:19 +00:00
ip_divert.c Ensure a minimum "slop" of 10 extra pcb structures when providing a 2010-08-17 16:41:16 +00:00
ip_divert.h Various cleanup done in ipfw3-head branch including: 2010-01-04 19:01:22 +00:00
ip_dummynet.h whitespace fixes (trailing whitespace, bad indentation 2010-04-19 16:17:30 +00:00
ip_ecn.c
ip_ecn.h
ip_encap.c (S)LIST_HEAD_INITIALIZER takes a (S)LIST_HEAD as an argument. 2009-12-28 22:56:30 +00:00
ip_encap.h
ip_fastfwd.c Virtualize the pfil hooks so that different jails may chose different 2009-10-11 05:59:43 +00:00
ip_fw.h + implement (two lines) the kernel side of 'lookup dscp N' to use the 2010-03-15 17:14:27 +00:00
ip_gre.c The NetBSD Foundation has granted permission to remove clause 3 and 4 from 2010-03-01 17:05:46 +00:00
ip_gre.h The NetBSD Foundation has granted permission to remove clause 3 and 4 from 2010-03-01 17:05:46 +00:00
ip_icmp.c Change the messages of the ICMP bad port bandwidth limiter from 2010-08-14 21:04:27 +00:00
ip_icmp.h MFP4: @176978-176982, 176984, 176990-176994, 177441 2010-04-29 11:52:42 +00:00
ip_id.c
ip_input.c MFp4 CH=183052 183053 183258: 2010-09-02 17:43:44 +00:00
ip_ipsec.c The proper fix for the delayed SCTP checksum is to 2010-03-12 22:58:52 +00:00
ip_ipsec.h Remove ifdefed out part of code, which seems to have originated a decade ago 2009-11-09 19:53:34 +00:00
ip_mroute.c Virtualize the IPv4 multicast routing code. 2010-06-02 15:44:43 +00:00
ip_mroute.h Virtualize the IPv4 multicast routing code. 2010-06-02 15:44:43 +00:00
ip_options.c Use ifa_ifwithaddr_check() rather than ifa_ifwithaddr() as we are not 2010-10-14 12:32:49 +00:00
ip_options.h Add function ip_checkrouteralert(), which will be used 2009-03-04 02:51:22 +00:00
ip_output.c IP_BINDANY is not correctly handled in getsockopt() case. 2010-09-24 14:38:54 +00:00
ip_var.h MFp4 CH=183052 183053 183258: 2010-09-02 17:43:44 +00:00
ip.h use u_char instead of u_int for short bitfields. 2010-02-01 14:13:44 +00:00
pim_var.h Virtualize the IPv4 multicast routing code. 2010-06-02 15:44:43 +00:00
pim.h
raw_ip.c Adding an address on an interface also requires the loopback route to 2010-09-12 18:04:47 +00:00
sctp_asconf.c Delay the assignment of a path for DATA chunk until they hit 2010-09-15 23:10:45 +00:00
sctp_asconf.h Delay the assignment of a path for DATA chunk until they hit 2010-09-15 23:10:45 +00:00
sctp_auth.c Fix a locking issue which shows up when the code is used 2010-09-19 11:42:16 +00:00
sctp_auth.h Use [] instead of [0] for flexible arrays. 2010-01-22 07:53:41 +00:00
sctp_bsd_addr.c Remove unused variable/assignment. 2010-09-15 21:19:54 +00:00
sctp_bsd_addr.h This adds back the Iterator to the sctp 2010-05-16 17:03:56 +00:00
sctp_cc_functions.c Make the initial congestion window configurable via sysctl. 2010-09-17 18:53:07 +00:00
sctp_cc_functions.h
sctp_constants.h * Implement initial version of send buffer splitting. 2010-09-17 16:20:29 +00:00
sctp_crc32.c Fix the the SCTP_WITH_NO_CSUM option when used in combination with 2010-08-29 18:50:30 +00:00
sctp_crc32.h Fix the the SCTP_WITH_NO_CSUM option when used in combination with 2010-08-29 18:50:30 +00:00
sctp_header.h Add missing SCTP_PACKED. Spotted by Irene Ruengeler. 2010-02-13 21:38:15 +00:00
sctp_indata.c Fix a locking issue which resulted in aborted associations 2010-09-20 12:19:11 +00:00
sctp_indata.h * Fix some race condition in SACK/NR-SACK processing. 2010-04-03 15:40:14 +00:00
sctp_input.c Delay the assignment of a path for DATA chunk until they hit 2010-09-15 23:10:45 +00:00
sctp_input.h
sctp_lock_bsd.h 1) Optimize the cleanup and don't always depend on 2010-06-06 20:34:17 +00:00
sctp_os_bsd.h Fix the the SCTP_WITH_NO_CSUM option when used in combination with 2010-08-29 18:50:30 +00:00
sctp_os.h
sctp_output.c Fix a bug where the wrong PR-SCTP policy was considered. 2010-09-17 19:20:39 +00:00
sctp_output.h Delay the assignment of a path for DATA chunk until they hit 2010-09-15 23:10:45 +00:00
sctp_pcb.c Fix a locking issue which shows up when the code is used 2010-09-19 11:42:16 +00:00
sctp_pcb.h Fix the switching on/off of CMT using sysctl and socket option. 2010-08-28 17:59:51 +00:00
sctp_peeloff.c Fix the switching on/off of CMT using sysctl and socket option. 2010-08-28 17:59:51 +00:00
sctp_peeloff.h
sctp_structs.h PR SCTP Bugs. Basically a full sized frame of 2010-07-29 11:37:04 +00:00
sctp_sysctl.c Make the initial congestion window configurable via sysctl. 2010-09-17 18:53:07 +00:00
sctp_sysctl.h Allow the initial congestion window to be configure 2010-09-19 11:57:21 +00:00
sctp_timer.c Fix a bug where the wrong PR-SCTP policy was considered. 2010-09-17 19:20:39 +00:00
sctp_timer.h
sctp_uio.h Implement correct handling of address parameter and 2010-09-05 20:13:07 +00:00
sctp_usrreq.c Remove old debug code. 2010-09-15 23:56:25 +00:00
sctp_var.h * Fix some race condition in SACK/NR-SACK processing. 2010-04-03 15:40:14 +00:00
sctp.h Fix the switching on/off of CMT using sysctl and socket option. 2010-08-28 17:59:51 +00:00
sctputil.c Remove old debug code. 2010-09-15 23:56:25 +00:00
sctputil.h * Fix some race condition in SACK/NR-SACK processing. 2010-04-03 15:40:14 +00:00
siftr.c Log the number of segments currently in the reassembly queue. 2010-09-25 09:16:46 +00:00
tcp_debug.c Remove the "The option TCPDEBUG requires option INET." requirement. 2009-06-10 10:39:41 +00:00
tcp_debug.h Use uint32_t instead of n_long and n_time, and uint16_t instead of n_short. 2009-02-13 15:14:43 +00:00
tcp_fsm.h
tcp_hostcache.c MFP4: @176978-176982, 176984, 176990-176994, 177441 2010-04-29 11:52:42 +00:00
tcp_hostcache.h
tcp_input.c Remove the TCP inflight bandwidth limiter as announced in r211315 2010-09-16 21:06:45 +00:00
tcp_lro.c
tcp_lro.h
tcp_offload.c Merge the remainder of kern_vimage.c and vimage.h into vnet.c and 2009-08-01 19:26:27 +00:00
tcp_offload.h Replace struct tcpopt with a proxy toeopt struct in the TOE driver interface to 2009-07-13 11:51:02 +00:00
tcp_output.c Rearrange the TSO code to make it more readable and to clearly 2010-09-17 22:05:27 +00:00
tcp_reass.c - Switch the "net.inet.tcp.reass.cursegments" and 2010-10-16 05:37:45 +00:00
tcp_sack.c MFP4: @176978-176982, 176984, 176990-176994, 177441 2010-04-29 11:52:42 +00:00
tcp_seq.h
tcp_subr.c Internalise reassembly queue related functionality and variables which should 2010-09-25 04:58:46 +00:00
tcp_syncache.c Initializing the new error variable to zero in syncache_socket() 2010-08-15 13:07:08 +00:00
tcp_syncache.h Replace struct tcpopt with a proxy toeopt struct in the TOE driver interface to 2009-07-13 11:51:02 +00:00
tcp_timer.c - spread tcp timer callout load evenly across cpus if net.inet.tcp.per_cpu_timers is set to 1 2010-03-20 19:47:30 +00:00
tcp_timer.h Remove the TCP inflight bandwidth limiter as announced in r211315 2010-09-16 21:06:45 +00:00
tcp_timewait.c MFP4: @176978-176982, 176984, 176990-176994, 177441 2010-04-29 11:52:42 +00:00
tcp_usrreq.c Remove the TCP inflight bandwidth limiter as announced in r211315 2010-09-16 21:06:45 +00:00
tcp_var.h Internalise reassembly queue related functionality and variables which should 2010-09-25 04:58:46 +00:00
tcp.h Remove the TCP inflight bandwidth limiter as announced in r211315 2010-09-16 21:06:45 +00:00
tcpip.h
toedev.h
udp_usrreq.c Ensure a minimum "slop" of 10 extra pcb structures when providing a 2010-08-17 16:41:16 +00:00
udp_var.h MFP4: @176978-176982, 176984, 176990-176994, 177441 2010-04-29 11:52:42 +00:00
udp.h Added support for NAT-Traversal (RFC 3948) in IPsec stack. 2009-06-12 15:44:35 +00:00