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f092a3c71c
freebsd-dev/sys
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Randall Stewart f092a3c71c So it turns out with the right window scaling you can get the code in all stacks to 
always want to do a window update, even when no data can be sent. Now in
cases where you are not pacing thats probably ok, you just send an extra
window update or two. However with bbr (and rack if its paced) every time
the pacer goes off its going to send a "window update".

Also in testing bbr I have found that if we are not responding to
data right away we end up staying in startup but incorrectly holding
a pacing gain of 192 (a loss). This is because the idle window code
does not restict itself to only work with PROBE_BW. In all other
states you dont want it doing a PROBE_BW state change.

Sponsored by:	Netflix Inc.
Differential Revision: 	https://reviews.freebsd.org/D25247
2020-06-12 19:56:19 +00:00
..
amd64 amd64 pmap: reorder IPI send and local TLB flush in TLB invalidations. 2020-06-10 22:07:57 +00:00
arm Fix grabbing of tegra uart. 2020-06-11 12:53:22 +00:00
arm64 Coresight replicator: 2020-06-12 17:31:38 +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 up r362047: a call to zvol_*_minors() was not hidden from userland 2020-06-11 11:35:30 +00:00
compat Revert r362108, as it breaks compilation. 2020-06-12 17:48:12 +00:00
conf Coresight replicator: 2020-06-12 17:31:38 +00:00
contrib Document upgrade procedure in FREEBSD-upgrade 2020-06-04 20:48:57 +00:00
crypto Adjust crypto_apply function callbacks for OCF. 2020-06-10 21:18:19 +00:00
ddb kernel: provide panicky version of __unreachable 2020-05-13 18:07:37 +00:00
dev Fix config_intrhook leak on initial reset failure. 2020-06-12 14:14:01 +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 Mark more nodes as CTLFLAG_MPSAFE or CTLFLAG_NEEDGIANT (17 of many) 2020-02-26 14:26:36 +00:00
geom Add a crypto capability flag for accelerated software drivers. 2020-06-09 22:26:07 +00:00
gnu dts: patch the am33xx dts for upcoming clock support 2020-06-05 20:14:54 +00:00
i386 amd64 pmap: reorder IPI send and local TLB flush in TLB invalidations. 2020-06-10 22:07:57 +00:00
isa sc(4) md bits: stop setting sc->kbd entirely 2019-12-30 02:07:55 +00:00
kern Remove the FIRMWARE_MAX limit. 2020-06-10 23:52:29 +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 Add some default cases for unreachable code to silence compiler warnings. 2020-06-10 00:09:31 +00:00
modules Hard-code the ice_ddp firmware version. 2020-06-11 00:36:35 +00:00
net Decode the "LACP Fast Timeout" LAGG option flag 2020-06-11 22:46:08 +00:00
net80211 [net80211] First part of A-MSDU offload handling - don't bump A-MPDU reordering seqno 2020-06-12 04:19:03 +00:00
netgraph Add LE events: 2020-06-10 04:54:02 +00:00
netinet So it turns out with the right window scaling you can get the code in all stacks to 2020-06-12 19:56:19 +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 Mark more nodes as CTLFLAG_MPSAFE or CTLFLAG_NEEDGIANT (17 of many) 2020-02-26 14:26:36 +00:00
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 Convert OFED rtable interactions to the new routing KPI. 2020-04-15 13:06:55 +00:00
opencrypto Adjust crypto_apply function callbacks for OCF. 2020-06-10 21:18:19 +00:00
powerpc powerpc/pmap: Fix pte_find_next() iterators for booke64 pmap 2020-06-10 23:03:35 +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 Fixup r361997 by balancing parens. Duh. 2020-06-10 03:36:17 +00:00
teken
tests Mark more nodes as CTLFLAG_MPSAFE or CTLFLAG_NEEDGIANT (17 of many) 2020-02-26 14:26:36 +00:00
tools vfs: stop null checking routines in vop wrappers 2020-01-26 00:41:38 +00:00
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 x86: Bump default msi/msix vector limit to 2048 2020-06-12 18:41:12 +00:00
xdr Split XDR into separate kernel module. Make krpc depend on xdr. 2020-04-17 06:04:20 +00:00
xen Mark more nodes as CTLFLAG_MPSAFE or CTLFLAG_NEEDGIANT (16 of many) 2020-02-25 19:04:39 +00:00
Makefile Remove sparc64 kernel support 2020-02-03 17:35:11 +00:00