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Richard Scheffenegger 14558b9953 Introduce a lower bound of 2 MSS to TCP Cubic. 
Running TCP Cubic together with ECN could end up reducing cwnd down to 1 byte, if the
receiver continously sets the ECE flag, resulting in very poor transmission speeds.

In line with RFC6582 App. B, a lower bound of 2 MSS is introduced, as well as a typecast
to prevent any potential integer overflows during intermediate calculation steps of the
adjusted cwnd.

Reported by:	Cheng Cui
Reviewed by:	tuexen (mentor)
Approved by:	tuexen (mentor)
MFC after:	2 weeks
Sponsored by:	NetApp, Inc.
Differential Revision:	https://reviews.freebsd.org/D23353
2020-04-30 11:11:28 +00:00
..
amd64
Remove an obsolete TODO comment from several minidump implementations.
2020-04-24 18:47:42 +00:00
arm
Convert arm's physmem interface to MI code
2020-04-19 00:12:30 +00:00
arm64
Export tracing facility of GIC500 ITS block.
2020-04-29 14:31:25 +00:00
bsm
bsm: add AUE_CLOSERANGE
2020-04-24 01:27:25 +00:00
cam
Implement the NVME_GET_NSID and NVME_PASSTHROUGH_CMD ioctls
2020-04-30 00:43:07 +00:00
cddl
Avoid the GEOM topology lock recursion when we automatically expand a pool.
2020-04-25 21:45:31 +00:00
compat
sysent: re-roll after 360236 (AUE_CLOSERANGE used)
2020-04-24 01:30:33 +00:00
conf
Move route-specific ddb commands to route/route_ddb.c
2020-04-28 20:00:17 +00:00
contrib
Convert ipfilter to the new routing KPI.
2020-04-19 17:01:17 +00:00
crypto
ccp: add a new hardware ID, found on AMD Ryzen 3 3200U
2020-04-24 10:20:54 +00:00
ddb
…
dev
Make sure that we get the sbuf resources we need.
2020-04-30 00:43:11 +00:00
dts
allwinner: aw_thermal: Cope with DTS changes
2020-04-14 19:05:17 +00:00
fs
Get rid of uio_XXX macros used for the Mac OS/X port.
2020-04-28 02:11:02 +00:00
gdb
…
geom
Add g_topology_locked() macro that returns true if we already hold the GEOM
2020-04-25 21:41:09 +00:00
gnu
dts: Import DTS from Linux 5.6
2020-04-14 18:57:00 +00:00
i386
Remove an obsolete TODO comment from several minidump implementations.
2020-04-24 18:47:42 +00:00
isa
…
kern
Don't try to set frequendcy for enumerated but newer started CPUs.
2020-04-29 14:14:15 +00:00
kgssapi
Remove support for Kernel GSS algorithms deprecated in r348875.
2020-04-10 23:08:41 +00:00
libkern
…
mips
Fix a race in pmap_emulate_modified().
2020-04-24 21:21:49 +00:00
modules
None of these use opt_sched.h
2020-04-28 16:09:18 +00:00
net
Convert more rtentry field accesses into nhop fields accesses.
2020-04-29 21:54:09 +00:00
net80211
Don't indirect user pointers directly in two 802.11s ioctls.
2020-04-24 22:10:02 +00:00
netgraph
Add le_read_buffer_size command and manpage.
2020-04-28 16:00:34 +00:00
netinet
Introduce a lower bound of 2 MSS to TCP Cubic.
2020-04-30 11:11:28 +00:00
netinet6
Add nhop to the ifa_rtrequest() callback.
2020-04-29 19:28:56 +00:00
netipsec
Fix name of 3DES cipher in deprecation warning.
2020-04-22 21:03:24 +00:00
netpfil
Move route_temporal.c and route_var.h to net/route.
2020-04-28 19:14:09 +00:00
netsmb
…
nfs
Remove rtable dumping code from bootp.
2020-04-28 07:23:41 +00:00
nfsclient
…
nfsserver
…
nlm
Make nfslockd depend on xdr.
2020-04-23 09:37:22 +00:00
ofed
Convert OFED rtable interactions to the new routing KPI.
2020-04-15 13:06:55 +00:00
opencrypto
Retire the CRYPTO_F_IV_GENERATE flag.
2020-04-20 22:24:49 +00:00
powerpc
Remove an obsolete TODO comment from several minidump implementations.
2020-04-24 18:47:42 +00:00
riscv
Retire the GENERICSF kernel config.
2020-04-27 21:51:22 +00:00
rpc
Split XDR into separate kernel module. Make krpc depend on xdr.
2020-04-17 06:04:20 +00:00
security
audit_canon_path_vp: don't panic if cdir == NULL
2020-04-17 02:09:31 +00:00
sys
Bump __FreeBSD_version for KTLS RX support.
2020-04-28 00:06:49 +00:00
teken
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tests
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tools
…
ufs
Retire two unused background fsck sysctls.
2020-04-21 17:42:32 +00:00
vm
Re-check for wirings after busying the page in vm_page_release_locked().
2020-04-28 13:51:41 +00:00
x86
Fix handling of NMIs from unknown sources (BMC, hypervisor)
2020-04-26 00:41:29 +00:00
xdr
Split XDR into separate kernel module. Make krpc depend on xdr.
2020-04-17 06:04:20 +00:00
xen
…
Makefile
…