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NetBSD/sys/netinet
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tls b911732f2a Increase default socket-buffer sizes from 16K to 32K. This increases 
throughput significantly in a wide variety of test cases, including
local gigabit ethernet with both jumbo and standard frames,
transcontinental (U.S.) connections with e2e bandwidths ranging from
10Mbit/sec to 155Mbit/sec, and on a variety of test connections
between the NetBSD Project public servers and machines in Australia.

The impact of this change is less dramatic for high-delay connections
when Path MTU is in use but still measurable.

For optimal performance on local gigabit networks, a higher socket
buffer size (at least 64K) will still yield a substantial improvement
in performance, but 32K gets us most of the way there in my test
cases, with only a cost of _doubling_ memory use per socket rather
than _quadrupling_ it.

N.B. Windows NT, at least since Win2k SP2, uses a default socket buffer
     size (or their analogue thereof) of 64K, which is a useful data
     point.
2003-09-29 21:39:35 +00:00
..
fil.c Move UCB-licensed code from 4-clause to 3-clause licence. 2003-08-07 16:26:28 +00:00
files.ipfilter Add missing "needs-flag". 2002-10-11 15:58:20 +00:00
files.netinet randomize IPv4/v6 fragment ID and IPv6 flowlabel. avoids predictability 2003-09-06 03:36:30 +00:00
icmp6.h Move UCB-licensed code from 4-clause to 3-clause licence. 2003-08-07 16:26:28 +00:00
icmp_var.h Move UCB-licensed code from 4-clause to 3-clause licence. 2003-08-07 16:26:28 +00:00
if_arp.c on arplookup() failure, nuke cloned route - otherwise outsider could use massive 2003-09-24 06:52:47 +00:00
if_atm.c KNF - return is not a function. sync w/kame. 2002-09-11 02:46:42 +00:00
if_atm.h
if_ether.h Move UCB-licensed code from 4-clause to 3-clause licence. 2003-08-07 16:26:28 +00:00
if_inarp.h Move UCB-licensed code from 4-clause to 3-clause licence. 2003-08-07 16:26:28 +00:00
igmp_var.h Move UCB-licensed code from 4-clause to 3-clause licence. 2003-08-07 16:26:28 +00:00
igmp.c change the additional arg to be passed to ip{,6}_output to struct socket *. 2003-08-22 21:53:01 +00:00
igmp.h Move UCB-licensed code from 4-clause to 3-clause licence. 2003-08-07 16:26:28 +00:00
in4_cksum.c Move UCB-licensed code from 4-clause to 3-clause licence. 2003-08-07 16:26:28 +00:00
in_cksum.c Move UCB-licensed code from 4-clause to 3-clause licence. 2003-08-07 16:26:28 +00:00
in_gif.c change the additional arg to be passed to ip{,6}_output to struct socket *. 2003-08-22 21:53:01 +00:00
in_gif.h make USE_ENCAPCHECK (in netinet*/*gif.c) to global option, GIF_ENCAPCHECK. 2002-11-11 18:35:27 +00:00
in_pcb_hdr.h revamp inpcb/in6pcb so that they are more aligned with each other. 2003-09-04 09:16:57 +00:00
in_pcb.c revamp inpcb/in6pcb so that they are more aligned with each other. 2003-09-04 09:16:57 +00:00
in_pcb.h revamp inpcb/in6pcb so that they are more aligned with each other. 2003-09-04 09:16:57 +00:00
in_proto.c (fast-ipsec): Add hooks to pass IPv4 IPsec traffic into fast-ipsec, if 2003-08-15 03:42:00 +00:00
in_systm.h Move UCB-licensed code from 4-clause to 3-clause licence. 2003-08-07 16:26:28 +00:00
in_var.h since we cope with packets with addess on !IFF_UP interface in ip_input() 2003-08-18 22:28:51 +00:00
in.c do not disconnect L4 connections on IP address removal. the behavior 2003-08-16 11:30:35 +00:00
in.h Move UCB-licensed code from 4-clause to 3-clause licence. 2003-08-07 16:26:28 +00:00
ip6.h Move UCB-licensed code from 4-clause to 3-clause licence. 2003-08-07 16:26:28 +00:00
ip_auth.c change the additional arg to be passed to ip{,6}_output to struct socket *. 2003-08-22 21:53:01 +00:00
ip_auth.h
ip_compat.h tabify 2003-06-26 00:43:31 +00:00
ip_ecn.c
ip_ecn.h
ip_encap.c correct panic when ip-in-ip encapsulation is used. found by Masanori Kanaoka 2003-01-21 03:23:44 +00:00
ip_encap.h switch from kame-based m_aux mbuf auxiliary data, to openbsd m_tag 2003-01-17 08:11:49 +00:00
ip_fil.c correct missing inclusion of opt_ipsec.h 2003-08-22 22:11:44 +00:00
ip_fil.h Back out the lwp/ktrace changes. They contained a lot of colateral damage, 2003-06-29 22:28:00 +00:00
ip_flow.c /*CONTCOND*/ while (0)'ed macros 2002-11-02 07:20:42 +00:00
ip_frag.c Resync with official IPF 2002-09-19 08:12:43 +00:00
ip_frag.h Upgraded IPFilter to 3.4.29 2002-09-19 08:08:14 +00:00
ip_ftp_pxy.c Resync with official IPF 2002-09-19 08:12:43 +00:00
ip_gre.c u_short -> u_int16_t 2003-09-05 23:02:40 +00:00
ip_gre.h
ip_h323_pxy.c #ifdef _KERNEL_OPT police 2003-06-23 14:59:21 +00:00
ip_icmp.c remove ipsec_set/getsocket. now we explicitly pass socket * to ip{,6}_output. 2003-08-22 22:00:36 +00:00
ip_icmp.h Move UCB-licensed code from 4-clause to 3-clause licence. 2003-08-07 16:26:28 +00:00
ip_id.c exp is reserved name under posix 2003-09-16 00:31:55 +00:00
ip_input.c Remove some code that breaks AH tunnels completely. The comment describing 2003-09-28 04:45:14 +00:00
ip_ipsec_pxy.c
ip_log.c Fix ipmon problems on 64-bit platforms (PR#17403 and PR#17404). 2002-09-25 06:43:17 +00:00
ip_mroute.c randomize IPv4/v6 fragment ID and IPv6 flowlabel. avoids predictability 2003-09-06 03:36:30 +00:00
ip_mroute.h cleanup multicast routing stuff on if_detach(). 2003-06-26 03:35:00 +00:00
ip_nat.c Relax overly-conservative TCP option parsing used by ipnat when 2002-09-24 14:14:25 +00:00
ip_nat.h Upgraded IPFilter to 3.4.29 2002-09-19 08:08:14 +00:00
ip_netbios_pxy.c Resync with official IPF 2002-09-19 08:12:43 +00:00
ip_output.c Fast-ipsec can call ip_output() with a null 'struct socket *so' 2003-09-19 00:27:56 +00:00
ip_proxy.c Resync with official IPF 2002-09-19 08:12:43 +00:00
ip_proxy.h Upgraded IPFilter to 3.4.29 2002-09-19 08:08:14 +00:00
ip_raudio_pxy.c
ip_rcmd_pxy.c
ip_state.c Resync with official IPF 2002-09-19 08:12:43 +00:00
ip_state.h Upgraded IPFilter to 3.4.29 2002-09-19 08:08:14 +00:00
ip_var.h randomize IPv4/v6 fragment ID and IPv6 flowlabel. avoids predictability 2003-09-06 03:36:30 +00:00
ip.h Move UCB-licensed code from 4-clause to 3-clause licence. 2003-08-07 16:26:28 +00:00
ipl.h Upgraded IPFilter to 3.4.29 2002-09-19 08:08:14 +00:00
Makefile revamp inpcb/in6pcb so that they are more aligned with each other. 2003-09-04 09:16:57 +00:00
raw_ip.c randomize IPv4/v6 fragment ID and IPv6 flowlabel. avoids predictability 2003-09-06 03:36:30 +00:00
tcp_debug.c Move UCB-licensed code from 4-clause to 3-clause licence. 2003-08-07 16:26:28 +00:00
tcp_debug.h Move UCB-licensed code from 4-clause to 3-clause licence. 2003-08-07 16:26:28 +00:00
tcp_fsm.h Move UCB-licensed code from 4-clause to 3-clause licence. 2003-08-07 16:26:28 +00:00
tcp_input.c cut-and-paste error. Valeriy E. Ushakov 2003-09-10 01:46:27 +00:00
tcp_output.c remove ipsec_set/getsocket. now we explicitly pass socket * to ip{,6}_output. 2003-08-22 22:00:36 +00:00
tcp_seq.h Move UCB-licensed code from 4-clause to 3-clause licence. 2003-08-07 16:26:28 +00:00
tcp_subr.c Fix glaring errors in recent changes. 2003-09-25 00:59:31 +00:00
tcp_timer.c Move UCB-licensed code from 4-clause to 3-clause licence. 2003-08-07 16:26:28 +00:00
tcp_timer.h Move UCB-licensed code from 4-clause to 3-clause licence. 2003-08-07 16:26:28 +00:00
tcp_usrreq.c Increase default socket-buffer sizes from 16K to 32K. This increases 2003-09-29 21:39:35 +00:00
tcp_var.h revamp inpcb/in6pcb so that they are more aligned with each other. 2003-09-04 09:16:57 +00:00
tcp.h Move UCB-licensed code from 4-clause to 3-clause licence. 2003-08-07 16:26:28 +00:00
tcpip.h Move UCB-licensed code from 4-clause to 3-clause licence. 2003-08-07 16:26:28 +00:00
udp_usrreq.c Fix glaring errors in recent changes. 2003-09-25 00:59:31 +00:00
udp_var.h Move UCB-licensed code from 4-clause to 3-clause licence. 2003-08-07 16:26:28 +00:00
udp.h Move UCB-licensed code from 4-clause to 3-clause licence. 2003-08-07 16:26:28 +00:00