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Andriy Voskoboinyk 0613dc6f15 iwn(4): (partially) rewrite A-MPDU Tx path
Generic Tx stats fixes:
- do not try to parse "aggregation status" for single frames; send them
to iwn_tx_done() instead;
- try to attach mbuf / node reference pair to reported BA events;
allows to fix reported status for ieee80211_tx_complete() and ifnet counters
(previously all A-MPDU frames were counted as failed - see PR 210211);
requires few more firmware bug workarounds;
- preserve short / long retry counters for wlan_amrr(4)
(disabled for now - causes significant performance degradation).
- Add new IWN_DEBUG_AMPDU debug category.
- Add one more check into iwn_tx_data() to prevent aggregation ring
overflow.
- Workaround 'seqno % 256' != 'current Tx slot' case (until D9195 is not
in the tree).
- Improve watchdog timer updates (previously watchdog check was omitted
when at least one frame was transmitted).
- Stop Tx when memory leak in currently used ring was detected (unlikely
to happen).
- Few other minor fixes.

Was previously tested with:
 - Intel 6205, STA mode (Tx aggregation behaves much better now).
 - Intel 4965AGN, STA mode (still unstable).

PR:		192641, 210211
Reviewed by:	adrian, dhw
MFC after:	1 month
Differential Revision:	https://reviews.freebsd.org/D10728
2019-01-16 12:33:06 +00:00
bin Fix an edge case when parsing large numbers which resulted in inconsistent 2019-01-09 09:36:54 +00:00
cddl MFV r342532: 5882 Temporary pool names 2018-12-26 11:03:14 +00:00
contrib Implement shmat(2) flag SHM_REMAP. 2019-01-16 05:15:57 +00:00
crypto scp: disallow empty or current directory 2019-01-15 15:35:14 +00:00
etc netmap: add suite of unit tests 2018-12-31 11:17:58 +00:00
gnu Create crtsavres.o for powerpc builds 2019-01-12 21:29:54 +00:00
include Implement dlopenat(3). 2019-01-16 12:12:40 +00:00
kerberos5 Use ${SRCTOP}/contrib/com_err/com_err.h instead of the installed com_err.h. 2019-01-14 06:34:54 +00:00
lib Implement dlopenat(3). 2019-01-16 12:12:40 +00:00
libexec Implement dlopenat(3). 2019-01-16 12:12:40 +00:00
release Turn off ec2_ephemeralswap for now 2019-01-09 03:55:25 +00:00
rescue rescue: set NO_SHARED in Makefile 2018-11-19 22:18:18 +00:00
sbin pfctl: Fix 'set skip' handling for groups 2019-01-13 05:30:26 +00:00
secure Enable devcryptoeng for OpenSSL. 2018-12-12 21:56:47 +00:00
share Fix STAGE_DIR.* to handle indirect *DIR variables. 2019-01-15 23:37:49 +00:00
stand Add Dell Chromebook to the list of devices with E820 extmem quirk enabled 2019-01-14 01:30:48 +00:00
sys iwn(4): (partially) rewrite A-MPDU Tx path 2019-01-16 12:33:06 +00:00
targets retire LINKER_FEATURES filter flag 2018-11-12 20:44:22 +00:00
tests pf tests: Test PR 229241 2019-01-13 05:31:53 +00:00
tools Add four kerberos CLI utilities to OptionalObsoleteFiles.inc 2019-01-14 03:13:31 +00:00
usr.bin Fix indentation in ruptime command output for hosts in the "down" state. 2019-01-12 12:57:32 +00:00
usr.sbin Fix broken uart on Win2016 guest. 2019-01-16 03:46:27 +00:00
.arcconfig callsign isn't required anymore 2016-09-29 06:19:45 +00:00
.arclint arc lint: ignore /tests/ in chmod 2017-12-19 03:38:06 +00:00
.gitattributes MK_ZFS -> {MK_ZFS|MK_LOADER_ZFS}, this is so we can diable userland / kernel 2019-01-05 22:45:20 +00:00
.gitignore Ignore _.universe-toolchain file. 2018-07-01 13:50:37 +00:00
COPYRIGHT Happy New Year 2019! 2019-01-01 00:25:25 +00:00
LOCKS LOCKS: update current locks 2018-06-09 03:08:04 +00:00
MAINTAINERS Register a pre-commit review for ipfilter. 2018-12-24 01:12:22 +00:00
Makefile Update comment about 'universe' disk usage 2018-11-10 19:09:48 +00:00
Makefile.inc1 Remove iBCS2: plug a wart missed in r342242 2018-12-19 22:08:51 +00:00
Makefile.libcompat Use ...-freebsd13.0 in -target strings. 2018-11-12 16:55:20 +00:00
Makefile.sys.inc AUTO_OBJ: For all top-level targets enforce using an OBJDIR. 2017-12-05 21:29:47 +00:00
ObsoleteFiles.inc Remove pbuf(9) manual page that is now nearly 100% outdated. 2019-01-15 01:19:29 +00:00
README Import OpenSSL 1.1.1a. 2018-11-20 18:59:41 +00:00
README.md README: add generic notes about GENERIC and NOTES 2018-06-17 19:44:24 +00:00
UPDATING Update the note about the need for COMPAT_FREEBSD<n> kernel options. 2019-01-15 18:20:20 +00:00

FreeBSD Source:

This is the top level of the FreeBSD source directory. This file was last revised on: FreeBSD

FreeBSD is an operating system used to power modern servers, desktops, and embedded platforms. A large community has continually developed it for more than thirty years. Its advanced networking, security, and storage features have made FreeBSD the platform of choice for many of the busiest web sites and most pervasive embedded networking and storage devices.

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cddl		Various commands and libraries under the Common Development
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contrib		Packages contributed by 3rd parties.

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