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6907bbae18
freebsd-dev/sys
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Richard Scheffenegger 6907bbae18 Prevent TCP Cubic to abruptly increase cwnd after slow-start 
Introducing flags to track the initial Wmax dragging and exit
from slow-start in TCP Cubic. This prevents sudden jumps in the
caluclated cwnd by cubic, especially when the flow is application
limited during slow start (cwnd can not grow as fast as expected).
The downside is that cubic may remain slightly longer in the
concave region before starting the convex region beyond Wmax again.

Reviewed by:	chengc_netapp.com, tuexen (mentor)
Approved by:	tuexen (mentor), rgrimes (mentor, blanket)
MFC after:	3 weeks
Sponsored by:	NetApp, Inc.
Differential Revision:	https://reviews.freebsd.org/D23655
2020-06-09 21:07:58 +00:00
..
amd64 Handle getcpu() calls in vsyscall emulation on amd64. 2020-05-31 18:20:20 +00:00
arm Fix boot of wandquad after DTS update 2020-06-09 20:27:35 +00:00
arm64 ARM Embedded Trace Macrocell v4.x driver: 2020-06-09 16:43:16 +00:00
bsm bsm: add AUE_CLOSERANGE 2020-04-24 01:27:25 +00:00
cam Implement zero-copy iSCSI target transmission/read. 2020-06-08 20:53:57 +00:00
cddl Fix entering KDB with dtrace-enabled kernel. 2020-05-26 16:44:05 +00:00
compat To reduce the size of an rb_node, drop the color field. Set the least 2020-06-09 20:19:11 +00:00
conf ARM Embedded Trace Macrocell v4.x driver: 2020-06-09 16:43:16 +00:00
contrib Document upgrade procedure in FREEBSD-upgrade 2020-06-04 20:48:57 +00:00
crypto Rename skein_block_asm.s to .S and assemble using Clang IAS 2020-06-06 00:35:41 +00:00
ddb kernel: provide panicky version of __unreachable 2020-05-13 18:07:37 +00:00
dev Similar to UART on ThunderX2, the ARM Coresight (ETM component) 2020-06-09 17:07:42 +00:00
dts Remove licenses 2020-06-04 17:20:58 +00:00
fs tmpfs: Preserve alignment of struct fid fields 2020-06-03 09:38:51 +00:00
gdb
geom Revert r361838 2020-06-06 14:19:16 +00:00
gnu dts: patch the am33xx dts for upcoming clock support 2020-06-05 20:14:54 +00:00
i386 Fix boot on systems where NUMA domain 0 is unpopulated. 2020-05-28 19:41:00 +00:00
isa
kern Refactor ptrace() ABI compatibility. 2020-06-09 16:43:23 +00:00
kgssapi Add support for optional separate output buffers to in-kernel crypto. 2020-05-25 22:12:04 +00:00
libkern libkern: Add arc4random_uniform 2020-05-23 17:51:06 +00:00
mips [mips] fix up the assembly generation of unaligned exception loads 2020-05-29 00:05:43 +00:00
modules Rename skein_block_asm.s to .S and assemble using Clang IAS 2020-06-06 00:35:41 +00:00
net iflib: netmap: honor netmap_irx_irq return values 2020-06-09 19:15:43 +00:00
net80211 [net80211] Add a method to return the vap's ifname. 2020-06-07 04:57:48 +00:00
netgraph Fix check for wMaxPacketSize in USB bluetooth driver, 2020-05-28 08:41:18 +00:00
netinet Prevent TCP Cubic to abruptly increase cwnd after slow-start 2020-06-09 21:07:58 +00:00
netinet6 Retire SCTP_SO_LOCK_TESTING. 2020-06-07 14:39:20 +00:00
netipsec Consistently include opt_ipsec.h for consumers of <netipsec/ipsec.h>. 2020-05-29 19:22:40 +00:00
netpfil ipfw: unbreak matching with big table type flow. 2020-06-04 14:15:39 +00:00
netsmb
nfs Use epoch(9) for rtentries to simplify control plane operations. 2020-05-23 10:21:02 +00:00
nfsclient
nfsserver
nlm Make nfslockd depend on xdr. 2020-04-23 09:37:22 +00:00
ofed
opencrypto Use separate output buffers for OCF requests in KTLS. 2020-06-04 20:12:34 +00:00
powerpc powerpc/powernv: Don't configure disabled CPUs 2020-06-08 02:28:00 +00:00
riscv riscv: Use SBI shutdown call to implement RB_POWEROFF 2020-06-08 17:57:21 +00:00
rpc Add the .h file that describes the operations for the rpctls_syscall. 2020-05-31 01:12:52 +00:00
security Deduplicate fsid comparisons 2020-05-21 01:55:35 +00:00
sys To reduce the size of an rb_node, drop the color field. Set the least 2020-06-09 20:19:11 +00:00
teken
tests
tools
ufs Clear the IN_SIZEMOD and IN_IBLKDATA flags only when doing a 2020-06-06 20:17:56 +00:00
vm vm: rework swap_pager_status to execute in constant time 2020-06-09 14:16:18 +00:00
x86 Remove unnecessary WITNESS check in x86 bus_dma 2020-06-03 00:16:36 +00:00
xdr
xen
Makefile