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freebsd-skq/sys/netinet
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Stephen Hurd 500759395a Fix window update issue when scaling disabled 
When the TCP window scale option is not used, and the window
opens up enough in one soreceive, a window update will not be sent.

For example, if recwin == 65535, so->so_rcv.sb_hiwat >= 262144, and
so->so_rcv.sb_hiwat <= 524272, the window update will never be sent.
This is because recwin and adv are clamped to TCP_MAXWIN << tp->rcv_scale,
and so will never be >= so->so_rcv.sb_hiwat / 4
or <= so->so_rcv.sb_hiwat / 8.

This patch ensures a window update is sent if the window opens by
TCP_MAXWIN << tp->rcv_scale, which should only happen when the window
size goes from zero to the max expressible.

This issue looks like it was introduced in r306769 when recwin was clamped
to TCP_MAXWIN << tp->rcv_scale.

MFC after:	1 week
Sponsored by:	Limelight Networks
Differential Revision:	https://reviews.freebsd.org/D18821
2019-01-15 17:40:19 +00:00
..
cc
Revert r331567 CC Cubic: fix underflow for cubic_cwnd()
2018-12-15 17:01:16 +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
Mechanical cleanup of epoch(9) usage in network stack.
2019-01-09 01:11:19 +00:00
tcp_stacks
A TCP stack is required to check SEG.ACK first, when processing a
2018-11-22 20:05:57 +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
Initial implementation of draft-ietf-6man-ipv6only-flag.
2018-10-30 20:08:48 +00:00
icmp_var.h
sys: further adoption of SPDX licensing ID tags.
2017-11-20 19:43:44 +00:00
if_ether.c
Mechanical cleanup of epoch(9) usage in network stack.
2019-01-09 01:11:19 +00:00
if_ether.h
Retire arpresolve_addr(), which is not used anywhere, from if_ether.c.
2018-11-17 16:08:36 +00:00
igmp_var.h
Separate list manipulation locking from state change in multicast
2018-05-02 19:36:29 +00:00
igmp.c
Mechanical cleanup of epoch(9) usage in network stack.
2019-01-09 01:11:19 +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
…
in_gif.c
Add the check that current VNET is ready and access to srchash is allowed.
2018-10-23 13:11:45 +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
Define sctp probes only when SCTP is configured.
2018-09-06 14:15:03 +00:00
in_kdtrace.h
Add support for send, receive and state-change DTrace providers for
2018-08-22 21:23:32 +00:00
in_mcast.c
Mechanical cleanup of epoch(9) usage in network stack.
2019-01-09 01:11:19 +00:00
in_pcb.c
Mechanical cleanup of epoch(9) usage in network stack.
2019-01-09 01:11:19 +00:00
in_pcb.h
Mechanical cleanup of epoch(9) usage in network stack.
2019-01-09 01:11:19 +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
Mechanical cleanup of epoch(9) usage in network stack.
2019-01-09 01:11:19 +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
Mechanical cleanup of epoch(9) usage in network stack.
2019-01-09 01:11:19 +00:00
ip_carp.h
sys: general adoption of SPDX licensing ID tags.
2017-11-27 15:23:17 +00:00
ip_divert.c
Mechanical cleanup of epoch(9) usage in network stack.
2019-01-09 01:11:19 +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
Include <sys/eventhandler.h> to fix the build.
2018-10-21 18:39:34 +00:00
ip_encap.h
Add KPI that can be used by tunneling interfaces to handle IP addresses
2018-10-21 17:55:26 +00:00
ip_fastfwd.c
Fix "ipfw fwd" to work for incoming IPv4 packets when ip_tryforward() chooses
2018-09-05 13:59:36 +00:00
ip_fw.h
Add ability to request listing and deleting only for dynamic states.
2018-12-04 16:12:43 +00:00
ip_gre.c
Add the check that current VNET is ready and access to srchash is allowed.
2018-10-23 13:11:45 +00:00
ip_icmp.c
Mechanical cleanup of epoch(9) usage in network stack.
2019-01-09 01:11:19 +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
Mechanical cleanup of epoch(9) usage in network stack.
2019-01-09 01:11:19 +00:00
ip_mroute.c
Mechanical cleanup of epoch(9) usage in network stack.
2019-01-09 01:11:19 +00:00
ip_mroute.h
sys: further adoption of SPDX licensing ID tags.
2017-11-20 19:43:44 +00:00
ip_options.c
Mechanical cleanup of epoch(9) usage in network stack.
2019-01-09 01:11:19 +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 getsockopt() for IP_OPTIONS/IP_RETOPTS.
2019-01-09 06:36:57 +00:00
ip_reass.c
Add some additional length checks to the IPv4 fragmentation code.
2018-11-16 18:32:48 +00:00
ip_var.h
Add some additional length checks to the IPv4 fragmentation code.
2018-11-16 18:32:48 +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
Plug some networking sysctl leaks.
2018-11-22 20:49:41 +00:00
sctp_asconf.c
Plug mbuf leak in the SCTP input path in an error case.
2018-09-30 21:54:02 +00:00
sctp_asconf.h
Whitespace changes due to changes in ident.
2018-07-19 20:16:33 +00:00
sctp_auth.c
Mitigate providing a timing signal if the COOKIE or AUTH
2018-10-01 14:05:31 +00:00
sctp_auth.h
Remove unused code.
2018-09-18 10:53:07 +00:00
sctp_bsd_addr.c
Mechanical cleanup of epoch(9) usage in network stack.
2019-01-09 01:11:19 +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
Add support for send, receive and state-change DTrace providers for
2018-08-22 21:23:32 +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
Mitigate providing a timing signal if the COOKIE or AUTH
2018-10-01 14:05:31 +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
Use arc4rand() instead of read_random() in the SCTP and TCP code.
2018-08-23 19:10:45 +00:00
sctp_os.h
sys: further adoption of SPDX licensing ID tags.
2017-11-20 19:43:44 +00:00
sctp_output.c
Support MSG_DONTWAIT in send*(2).
2019-01-04 17:31:50 +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
Plug some networking sysctl leaks.
2018-11-22 20:49:41 +00:00
sctp_sysctl.h
Add initial descriptions for SCTP related MIB variable.
2018-10-26 21:04:17 +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 changes and fixing a typo. No functional change.
2018-09-26 10:24:50 +00:00
sctputil.h
Refactor the SHUTDOWN_PENDING state handling.
2018-08-21 13:25:32 +00:00
siftr.c
Fix bugs in plugable CC algorithm and siftr sysctls.
2018-12-15 15:06:22 +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
Add INP_INFO_WUNLOCK_ASSERT() macro and use it instead of
2018-10-01 10:46:00 +00:00
tcp_hpts.h
epoch(9): allow preemptible epochs to compose
2018-07-04 02:47:16 +00:00
tcp_input.c
The handling of RST segments in the SYN-RCVD state exists in the
2018-10-18 19:21:18 +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 window update issue when scaling disabled
2019-01-15 17:40:19 +00:00
tcp_pcap.c
…
tcp_pcap.h
…
tcp_reass.c
Fix a regression in the TCP handling of received segments.
2018-12-20 16:05:30 +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
Plug some networking sysctl leaks.
2018-11-22 20:49:41 +00:00
tcp_syncache.c
Remove debug code which slipped in accidently.
2018-11-01 11:41:40 +00:00
tcp_syncache.h
The handling of RST segments in the SYN-RCVD state exists in the
2018-10-18 19:21:18 +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
Limit option_len for the TCP_CCALGOOPT.
2018-11-30 10:50:07 +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
Plug some networking sysctl leaks.
2018-11-22 20:49:41 +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