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freebsd-dev/sys/netinet
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John Baldwin 6c0ef8957f Don't drop options from the third retransmitted SYN by default. If the 
SYNs (or SYN/ACK replies) are dropped due to network congestion, then the
remote end of the connection may act as if options such as window scaling
are enabled but the local end will think they are not.  This can result in
very slow data transfers in the case of window scaling disagreements.

The old behavior can be obtained by setting the
net.inet.tcp.rexmit_drop_options sysctl to a non-zero value.

Reviewed by:	net@
MFC after:	2 weeks
2013-01-09 20:27:06 +00:00
..
cc
khelp The TCP PAWS fix for kernels with fast tick rates (r231767) changed the TCP 2012-08-17 01:49:51 +00:00
libalias Mechanically substitute flags from historic mbuf allocator with 2012-12-05 08:04:20 +00:00
accf_data.c
accf_dns.c
accf_http.c Mark all SYSCTL_NODEs static that have no corresponding SYSCTL_DECLs. 2011-11-07 15:43:11 +00:00
cc.h
icmp6.h Correct typo in the RFC number for the constants based on IANA assignments 2012-03-04 18:47:20 +00:00
icmp_var.h Add rate limitation for SCTP OOTB responses. 2012-06-18 17:11:24 +00:00
if_atm.c
if_atm.h
if_ether.c Fix problem in r238990. The LLE_LINKED flag should be tested prior to 2012-12-13 11:11:15 +00:00
if_ether.h - Updated TOE support in the kernel. 2012-06-19 07:34:13 +00:00
igmp_var.h
igmp.c Mechanically substitute flags from historic mbuf allocator with 2012-12-05 08:04:20 +00:00
igmp.h
in_cksum.c nobody uses this file except the userspace ipfw code, but the cast 2012-07-31 08:04:49 +00:00
in_debug.c
in_gif.c Mechanically substitute flags from historic mbuf allocator with 2012-12-05 08:04:20 +00:00
in_gif.h
in_mcast.c Remove unused variable. 2012-01-24 14:27:14 +00:00
in_pcb.c More warnings for zones that depend on the kern.ipc.maxsockets limit. 2012-12-08 12:51:06 +00:00
in_pcb.h There is a complex race in in_pcblookup_hash() and in_pcblookup_group(). 2012-10-02 12:03:02 +00:00
in_pcbgroup.c
in_proto.c Bunch of fixes to pfsync(4) module load/unload: 2012-01-09 08:50:22 +00:00
in_rmx.c Cleanup documentation: cloning route support has been removed in r186119. 2012-10-13 09:31:01 +00:00
in_systm.h
in_var.h Do not check if found IPv4 rte is dynamic if net.inet.icmp.drop_redirect is 2012-10-10 19:06:11 +00:00
in.c Temporarily revert rev 244678. This is causing loopback problems with 2013-01-03 10:21:28 +00:00
in.h Switch the entire IPv4 stack to keep the IP packet header 2012-10-22 21:09:03 +00:00
ip6.h
ip_carp.c Garbage collect carp_cksum(). 2012-12-25 14:29:38 +00:00
ip_carp.h Restore a feature that was present in 5.x and 6.x, and was cleared in 2011-12-20 13:53:31 +00:00
ip_divert.c Switch the entire IPv4 stack to keep the IP packet header 2012-10-22 21:09:03 +00:00
ip_divert.h
ip_dummynet.h s/lenght/length/ in comments 2012-08-07 07:52:25 +00:00
ip_ecn.c
ip_ecn.h
ip_encap.c
ip_encap.h
ip_fastfwd.c Remove the recently added sysctl variable net.pfil.forward. 2012-11-02 01:20:55 +00:00
ip_fw.h Revert r234834 per luigi@ request. 2012-05-03 08:56:43 +00:00
ip_gre.c Switch the entire IPv4 stack to keep the IP packet header 2012-10-22 21:09:03 +00:00
ip_gre.h
ip_icmp.c Mechanically substitute flags from historic mbuf allocator with 2012-12-05 08:04:20 +00:00
ip_icmp.h
ip_id.c
ip_input.c Mechanically substitute flags from historic mbuf allocator with 2012-12-05 08:04:20 +00:00
ip_ipsec.c Switch the entire IPv4 stack to keep the IP packet header 2012-10-22 21:09:03 +00:00
ip_ipsec.h
ip_mroute.c Mechanically substitute flags from historic mbuf allocator with 2012-12-05 08:04:20 +00:00
ip_mroute.h Remove route caching from IP multicast routing code. There is no 2012-07-02 19:44:18 +00:00
ip_options.c Mechanically substitute flags from historic mbuf allocator with 2012-12-05 08:04:20 +00:00
ip_options.h In ip_stripoptions(): 2012-10-12 09:24:24 +00:00
ip_output.c Mechanically substitute flags from historic mbuf allocator with 2012-12-05 08:04:20 +00:00
ip_var.h Remove the recently added sysctl variable net.pfil.forward. 2012-11-02 01:20:55 +00:00
ip.h Add ToS definitions for DiffServ Codepoints as per RFC2474. 2012-05-04 21:00:32 +00:00
pim_var.h
pim.h
raw_ip.c Mechanically substitute flags from historic mbuf allocator with 2012-12-05 08:04:20 +00:00
sctp_asconf.c Mechanically substitute flags from historic mbuf allocator with 2012-12-05 08:04:20 +00:00
sctp_asconf.h Pass the src and dst address of a received packet explicitly around. 2012-06-28 16:01:08 +00:00
sctp_auth.c Mechanically substitute flags from historic mbuf allocator with 2012-12-05 08:04:20 +00:00
sctp_auth.h Use consistent text at the begining of the files. 2012-05-23 11:26:28 +00:00
sctp_bsd_addr.c Testing an interface property should depend on the interface, not 2012-08-04 08:03:30 +00:00
sctp_bsd_addr.h Do packet logging in a consistent way. 2012-06-24 21:25:54 +00:00
sctp_cc_functions.c Get rid of a gcc'ism. 2012-09-06 07:03:56 +00:00
sctp_constants.h Get the accounting working. We now have counters how many 2012-11-16 19:39:10 +00:00
sctp_crc32.c Use consistent text at the begining of the files. 2012-05-23 11:26:28 +00:00
sctp_crc32.h Use consistent text at the begining of the files. 2012-05-23 11:26:28 +00:00
sctp_dtrace_declare.h Use consistent text at the begining of the files. 2012-05-23 11:26:28 +00:00
sctp_dtrace_define.h Use consistent text at the begining of the files. 2012-05-23 11:26:28 +00:00
sctp_header.h Don't include a structure containing a flexible array in another 2012-09-07 13:36:42 +00:00
sctp_indata.c Mechanically substitute flags from historic mbuf allocator with 2012-12-05 08:04:20 +00:00
sctp_indata.h Pass the src and dst address of a received packet explicitly around. 2012-06-28 16:01:08 +00:00
sctp_input.c Mechanically substitute flags from historic mbuf allocator with 2012-12-05 08:04:20 +00:00
sctp_input.h Don't include a structure containing a flexible array in another 2012-09-07 13:36:42 +00:00
sctp_lock_bsd.h Use consistent text at the begining of the files. 2012-05-23 11:26:28 +00:00
sctp_os_bsd.h Pass the src and dst address of a received packet explicitly around. 2012-06-28 16:01:08 +00:00
sctp_os.h Use consistent text at the begining of the files. 2012-05-23 11:26:28 +00:00
sctp_output.c Get it compiling without INET and INET6 support (mainly userland stack). 2012-12-08 15:11:09 +00:00
sctp_output.h Ensure that the padding of the last parameter of an INIT chunk 2012-12-08 08:22:33 +00:00
sctp_pcb.c Minor cleanups of debug messages. 2012-12-27 08:06:58 +00:00
sctp_pcb.h Add support for SCTP/UDP/IPV6. 2012-11-17 20:04:04 +00:00
sctp_peeloff.c Add support for sctp_peeloff() also in the front states of the 2012-11-26 16:44:03 +00:00
sctp_peeloff.h Remove unused function. 2012-11-25 14:25:08 +00:00
sctp_ss_functions.c Use consistent text at the begining of the files. 2012-05-23 11:26:28 +00:00
sctp_structs.h Add per outgoing stream accounting for chunks in the send 2012-11-07 22:11:38 +00:00
sctp_sysctl.c Add support for SCTP/UDP/IPV6. 2012-11-17 20:04:04 +00:00
sctp_sysctl.h Whitespace cleanup. 2012-06-25 17:15:09 +00:00
sctp_timer.c Mechanically substitute flags from historic mbuf allocator with 2012-12-05 08:04:20 +00:00
sctp_timer.h Use consistent text at the begining of the files. 2012-05-23 11:26:28 +00:00
sctp_uio.h Whitespace changes due to upstream integration of SCTP changes in the 2012-10-29 20:47:32 +00:00
sctp_usrreq.c Some cleanups. 2012-12-27 08:10:58 +00:00
sctp_var.h Whitespace changes due to upstream integration of SCTP changes in the 2012-10-29 20:47:32 +00:00
sctp.h Undefine SCTP_PACKED before including sctp_uio.h, which doesn't 2012-05-25 11:14:08 +00:00
sctputil.c Fix a copy and paste error. 2012-12-27 08:02:58 +00:00
sctputil.h Add support for SCTP/UDP/IPV6. 2012-11-17 20:04:04 +00:00
siftr.c Switch the entire IPv4 stack to keep the IP packet header 2012-10-22 21:09:03 +00:00
tcp_debug.c Switch the entire IPv4 stack to keep the IP packet header 2012-10-22 21:09:03 +00:00
tcp_debug.h
tcp_fsm.h
tcp_hostcache.c - Update cachelimit after hashsize and bucketlimit were set. 2012-10-19 14:00:03 +00:00
tcp_hostcache.h
tcp_input.c Fix !INET6 build after r244365. 2012-12-18 08:14:16 +00:00
tcp_lro.c Make TCP LRO work properly with VIMAGE kernels rather than just panicing. 2012-06-01 11:42:50 +00:00
tcp_lro.h MFp4 bz_ipv6_fast: 2012-05-24 23:03:23 +00:00
tcp_offload.c - Updated TOE support in the kernel. 2012-06-19 07:34:13 +00:00
tcp_offload.h - Updated TOE support in the kernel. 2012-06-19 07:34:13 +00:00
tcp_output.c Mechanically substitute flags from historic mbuf allocator with 2012-12-05 08:04:20 +00:00
tcp_reass.c Fix sysctl_handle_int() usage. Either arg1 or arg2 should be supplied, 2012-12-25 13:55:21 +00:00
tcp_sack.c
tcp_seq.h Fix PAWS (Protect Against Wrapped Sequence numbers) in cases when 2012-02-15 16:09:56 +00:00
tcp_subr.c More warnings for zones that depend on the kern.ipc.maxsockets limit. 2012-12-08 12:51:06 +00:00
tcp_syncache.c Fix sysctl_handle_int() usage. Either arg1 or arg2 should be supplied, 2012-12-25 13:55:21 +00:00
tcp_syncache.h Change the syncache count reporting the current number of entries 2012-10-28 18:07:34 +00:00
tcp_timer.c Don't drop options from the third retransmitted SYN by default. If the 2013-01-09 20:27:06 +00:00
tcp_timer.h Add DELACK to list of timers. 2012-11-27 19:07:28 +00:00
tcp_timewait.c Mechanically substitute flags from historic mbuf allocator with 2012-12-05 08:04:20 +00:00
tcp_usrreq.c Fix bug in TCP_KEEPCNT setting, which slipped in in the last round 2012-09-27 07:13:21 +00:00
tcp_var.h Increase the initial CWND to 10 segments as defined in IETF TCPM 2012-10-28 19:47:46 +00:00
tcp.h Add new socket options: TCP_KEEPINIT, TCP_KEEPIDLE, TCP_KEEPINTVL and 2012-02-05 16:53:02 +00:00
tcpip.h
toecore.c Revert previous commit... 2012-10-10 08:36:38 +00:00
toecore.h Correctly handle the case where an inp has already been dropped by the time 2012-08-21 18:09:33 +00:00
udp_usrreq.c More warnings for zones that depend on the kern.ipc.maxsockets limit. 2012-12-08 12:51:06 +00:00
udp_var.h Export the udp_cksum sysctl for upcoming SCTP work. Rather than always, 2012-03-27 15:14:29 +00:00
udp.h