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freebsd-dev/sys/netinet
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Michael Tuexen 5dff1c3845 Enabling the IPPROTO_IPV6 level socket option IPV6_USE_MIN_MTU on a TCP 
socket resulted in sending fragmented IPV6 packets.

This is fixes by reducing the MSS to the appropriate value. In addtion,
if the socket option is set before the handshake happens, announce this
MSS to the peer. This is not stricly required, but done since TCP
is conservative.

PR:			173444
Reviewed by:		bz@, rrs@
MFC after:		1 month
Sponsored by:		Netflix, Inc.
Differential Revision:	https://reviews.freebsd.org/D16796
2018-08-21 14:12:30 +00:00
..
cc Use the new VNET_DEFINE_STATIC macro when we are defining static VNET 2018-07-24 16:35:52 +00:00
khelp sys: general adoption of SPDX licensing ID tags. 2017-11-27 15:23:17 +00:00
libalias Remove a duplicate check. 2018-07-11 14:54:56 +00:00
netdump UDP: further performance improvements on tx 2018-05-23 21:02:14 +00:00
tcp_stacks This change represents a substantial restructure of the way we 2018-08-20 12:43:18 +00:00
accf_data.c sys: general adoption of SPDX licensing ID tags. 2017-11-27 15:23:17 +00:00
accf_dns.c sys: general adoption of SPDX licensing ID tags. 2017-11-27 15:23:17 +00:00
accf_http.c sys: general adoption of SPDX licensing ID tags. 2017-11-27 15:23:17 +00:00
icmp6.h Correct the comment describing badrs which is bad router solicitiation, 2017-12-29 07:23:18 +00:00
icmp_var.h sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
if_ether.c Use the new VNET_DEFINE_STATIC macro when we are defining static VNET 2018-07-24 16:35:52 +00:00
if_ether.h sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
igmp_var.h Separate list manipulation locking from state change in multicast 2018-05-02 19:36:29 +00:00
igmp.c Use the new VNET_DEFINE_STATIC macro when we are defining static VNET 2018-07-24 16:35:52 +00:00
igmp.h sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
in_cksum.c sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
in_debug.c CK: update consumers to use CK macros across the board 2018-05-24 23:21:23 +00:00
in_fib.c Switch RIB and RADIX_NODE_HEAD lock from rwlock(9) to rmlock(9). 2018-06-16 08:26:23 +00:00
in_fib.h Renumber copyright clause 4 2017-02-28 23:42:47 +00:00
in_gif.c Use the new VNET_DEFINE_STATIC macro when we are defining static VNET 2018-07-24 16:35:52 +00:00
in_jail.c Move most of the contents of opt_compat.h to opt_global.h. 2018-04-06 17:35:35 +00:00
in_kdtrace.c Add a dtrace provider for UDP-Lite. 2018-07-31 22:56:03 +00:00
in_kdtrace.h Add a dtrace provider for UDP-Lite. 2018-07-31 22:56:03 +00:00
in_mcast.c Fix in6_multi double free 2018-08-15 20:23:08 +00:00
in_pcb.c Fix in6_multi double free 2018-08-15 20:23:08 +00:00
in_pcb.h Enabling the IPPROTO_IPV6 level socket option IPV6_USE_MIN_MTU on a TCP 2018-08-21 14:12:30 +00:00
in_pcbgroup.c Fix PCBGROUPS build post CK conversion of pcbinfo 2018-06-13 23:19:54 +00:00
in_prot.c Move most of the contents of opt_compat.h to opt_global.h. 2018-04-06 17:35:35 +00:00
in_proto.c Remove empty encap_init() function. 2018-05-29 12:32:08 +00:00
in_rmx.c
in_rss.c
in_rss.h
in_systm.h sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
in_var.h UDP: further performance improvements on tx 2018-05-23 21:02:14 +00:00
in.c Late style follow up on r312770. 2018-08-15 15:44:30 +00:00
in.h sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
ip6.h carp: Set DSCP value CS7 2018-07-01 08:37:07 +00:00
ip_carp.c Fix in6_multi double free 2018-08-15 20:23:08 +00:00
ip_carp.h sys: general adoption of SPDX licensing ID tags. 2017-11-27 15:23:17 +00:00
ip_divert.c Use the new VNET_DEFINE_STATIC macro when we are defining static VNET 2018-07-24 16:35:52 +00:00
ip_divert.h sys: general adoption of SPDX licensing ID tags. 2017-11-27 15:23:17 +00:00
ip_dummynet.h sys: general adoption of SPDX licensing ID tags. 2017-11-27 15:23:17 +00:00
ip_ecn.c sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
ip_ecn.h sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
ip_encap.c epoch(9): allow preemptible epochs to compose 2018-07-04 02:47:16 +00:00
ip_encap.h Rework IP encapsulation handling code. 2018-06-05 20:51:01 +00:00
ip_fastfwd.c netpfil: Introduce PFIL_FWD flag 2018-03-23 16:56:44 +00:00
ip_fw.h Add "record-state", "set-limit" and "defer-action" rule options to ipfw. 2018-07-09 11:35:18 +00:00
ip_gre.c Use the new VNET_DEFINE_STATIC macro when we are defining static VNET 2018-07-24 16:35:52 +00:00
ip_icmp.c icmp_quotelen was accidentially changes in r336676, undo this. 2018-07-24 16:45:01 +00:00
ip_icmp.h sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
ip_id.c Use the new VNET_DEFINE_STATIC macro when we are defining static VNET 2018-07-24 16:35:52 +00:00
ip_input.c Restore ability to send ICMP and ICMPv6 redirects. 2018-08-14 07:54:14 +00:00
ip_mroute.c Use the new VNET_DEFINE_STATIC macro when we are defining static VNET 2018-07-24 16:35:52 +00:00
ip_mroute.h sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
ip_options.c Use the new VNET_DEFINE_STATIC macro when we are defining static VNET 2018-07-24 16:35:52 +00:00
ip_options.h sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
ip_output.c Fix a potential use after free in getsockopt() access to inp_options 2018-07-22 20:02:14 +00:00
ip_reass.c Lower the default limits on the IPv4 reassembly queue. 2018-08-14 17:30:46 +00:00
ip_var.h ip(6)_freemoptions: defer imo destruction to epoch callback task 2018-05-20 00:22:28 +00:00
ip.h carp: Set DSCP value CS7 2018-07-01 08:37:07 +00:00
pim_var.h Rework IP encapsulation handling code. 2018-06-05 20:51:01 +00:00
pim.h sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
raw_ip.c Removed pointless NULL check 2018-07-10 08:05:32 +00:00
sctp_asconf.c Use the stacb instead of the asoc in state macros. 2018-08-13 13:58:45 +00:00
sctp_asconf.h Whitespace changes due to changes in ident. 2018-07-19 20:16:33 +00:00
sctp_auth.c Whitespace changes due to changes in ident. 2018-07-19 20:16:33 +00:00
sctp_auth.h Whitespace changes due to changes in ident. 2018-07-19 20:16:33 +00:00
sctp_bsd_addr.c Whitespace changes due to changes in ident. 2018-07-19 20:16:33 +00:00
sctp_bsd_addr.h Revert https://svnweb.freebsd.org/changeset/base/336503 2018-07-19 20:11:14 +00:00
sctp_cc_functions.c Whitespace changes due to changes in ident. 2018-07-19 20:16:33 +00:00
sctp_constants.h Refactor the SHUTDOWN_PENDING state handling. 2018-08-21 13:25:32 +00:00
sctp_crc32.c Revert https://svnweb.freebsd.org/changeset/base/336503 2018-07-19 20:11:14 +00:00
sctp_crc32.h When adding support for sending SCTP packets containing an ABORT chunk 2017-12-26 12:35:02 +00:00
sctp_dtrace_declare.h sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
sctp_dtrace_define.h sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
sctp_header.h Whitespace changes due to changes in ident. 2018-07-19 20:16:33 +00:00
sctp_indata.c Refactor the SHUTDOWN_PENDING state handling. 2018-08-21 13:25:32 +00:00
sctp_indata.h Whitespace changes due to changes in ident. 2018-07-19 20:16:33 +00:00
sctp_input.c Refactor the SHUTDOWN_PENDING state handling. 2018-08-21 13:25:32 +00:00
sctp_input.h Whitespace changes due to changes in ident. 2018-07-19 20:16:33 +00:00
sctp_lock_bsd.h sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
sctp_os_bsd.h Move most of the contents of opt_compat.h to opt_global.h. 2018-04-06 17:35:35 +00:00
sctp_os.h sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
sctp_output.c Refactor the SHUTDOWN_PENDING state handling. 2018-08-21 13:25:32 +00:00
sctp_output.h Whitespace changes due to changes in ident. 2018-07-19 20:16:33 +00:00
sctp_pcb.c Refactor the SHUTDOWN_PENDING state handling. 2018-08-21 13:25:32 +00:00
sctp_pcb.h Whitespace changes due to changes in ident. 2018-07-19 20:16:33 +00:00
sctp_peeloff.c Use the stacb instead of the asoc in state macros. 2018-08-13 13:58:45 +00:00
sctp_peeloff.h sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
sctp_ss_functions.c Revert https://svnweb.freebsd.org/changeset/base/336503 2018-07-19 20:11:14 +00:00
sctp_structs.h Whitespace changes due to changes in ident. 2018-07-19 20:16:33 +00:00
sctp_syscalls.c netinet silence warnings 2018-05-19 05:56:21 +00:00
sctp_sysctl.c Revert https://svnweb.freebsd.org/changeset/base/336503 2018-07-19 20:11:14 +00:00
sctp_sysctl.h sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
sctp_timer.c Refactor the SHUTDOWN_PENDING state handling. 2018-08-21 13:25:32 +00:00
sctp_timer.h sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
sctp_uio.h Whitespace changes due to changes in ident. 2018-07-19 20:16:33 +00:00
sctp_usrreq.c Refactor the SHUTDOWN_PENDING state handling. 2018-08-21 13:25:32 +00:00
sctp_var.h Whitespace changes due to changes in ident. 2018-07-19 20:16:33 +00:00
sctp.h Whitespace changes due to changes in ident. 2018-07-19 20:16:33 +00:00
sctputil.c Whitespace change. 2018-08-21 13:37:06 +00:00
sctputil.h Refactor the SHUTDOWN_PENDING state handling. 2018-08-21 13:25:32 +00:00
siftr.c Create a new macro for static DPCPU data. 2018-07-05 17:13:37 +00:00
tcp_debug.c sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
tcp_debug.h sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
tcp_fastopen.c Use the new VNET_DEFINE_STATIC macro when we are defining static VNET 2018-07-24 16:35:52 +00:00
tcp_fastopen.h Greatly reduce the number of #ifdefs supporting the TCP_RFC7413 kernel option. 2018-02-26 03:03:41 +00:00
tcp_fsm.h Revert r334843, and partially revert r335180. 2018-06-23 06:53:53 +00:00
tcp_hostcache.c Use the new VNET_DEFINE_STATIC macro when we are defining static VNET 2018-07-24 16:35:52 +00:00
tcp_hostcache.h sys: general adoption of SPDX licensing ID tags. 2017-11-27 15:23:17 +00:00
tcp_hpts.c Remove unneeded ipsec-related includes. 2018-08-10 07:24:01 +00:00
tcp_hpts.h epoch(9): allow preemptible epochs to compose 2018-07-04 02:47:16 +00:00
tcp_input.c Enabling the IPPROTO_IPV6 level socket option IPV6_USE_MIN_MTU on a TCP 2018-08-21 14:12:30 +00:00
tcp_log_buf.c Clean up some debugging code left in tcp_log_buf.c from r331347. 2018-04-10 15:51:37 +00:00
tcp_log_buf.h This change represents a substantial restructure of the way we 2018-08-20 12:43:18 +00:00
tcp_lro.c Update tcp_lro with tested bugfixes from Netflix and LLNW: 2018-03-09 00:08:43 +00:00
tcp_lro.h sys: general adoption of SPDX licensing ID tags. 2017-11-27 15:23:17 +00:00
tcp_offload.c Revert r334843, and partially revert r335180. 2018-06-23 06:53:53 +00:00
tcp_offload.h Add a hook to allow the toedev handling an offloaded connection to 2018-04-03 01:08:54 +00:00
tcp_output.c Fix some TCP fast open issues. 2018-07-30 20:35:50 +00:00
tcp_pcap.c The TCPPCAP debugging feature caches recently-used mbufs for use in 2016-07-06 16:17:13 +00:00
tcp_pcap.h The TCPPCAP debugging feature caches recently-used mbufs for use in 2016-07-06 16:17:13 +00:00
tcp_reass.c This change represents a substantial restructure of the way we 2018-08-20 12:43:18 +00:00
tcp_sack.c sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
tcp_seq.h r330675 introduced an extra window check in the LRO code to ensure it 2018-04-03 13:54:38 +00:00
tcp_subr.c Enabling the IPPROTO_IPV6 level socket option IPV6_USE_MIN_MTU on a TCP 2018-08-21 14:12:30 +00:00
tcp_syncache.c Fix the inheritance of IPv6 level socket options on TCP sockets. 2018-08-21 14:07:36 +00:00
tcp_syncache.h When retransmitting TCP SYN-ACK segments with the TCP timestamp option 2018-06-15 12:28:43 +00:00
tcp_timer.c epoch(9): allow preemptible epochs to compose 2018-07-04 02:47:16 +00:00
tcp_timer.h epoch(9): allow preemptible epochs to compose 2018-07-04 02:47:16 +00:00
tcp_timewait.c Send consistent SEG.WIN when using timewait codepath for TCP. 2018-07-30 21:13:42 +00:00
tcp_usrreq.c Enabling the IPPROTO_IPV6 level socket option IPV6_USE_MIN_MTU on a TCP 2018-08-21 14:12:30 +00:00
tcp_var.h This change represents a substantial restructure of the way we 2018-08-20 12:43:18 +00:00
tcp.h This commit brings in a new refactored TCP stack called Rack. 2018-06-07 18:18:13 +00:00
tcpip.h sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
toecore.c Add the ability to look up the 3b PCP of a VLAN interface. Use it in 2018-08-16 23:46:38 +00:00
toecore.h Add a hook to allow the toedev handling an offloaded connection to 2018-04-03 01:08:54 +00:00
udp_usrreq.c Add a dtrace provider for UDP-Lite. 2018-07-31 22:56:03 +00:00
udp_var.h sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
udp.h sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
udplite.h Add a dtrace provider for UDP-Lite. 2018-07-31 22:56:03 +00:00