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Marcin Wojtas 87ffe59470 Upgrade ENA to v2.4.0
ena: change ENA C++-style comment into C-style

According to man style(9), only C-style comments should be used.

Submitted by: Michal Krawczyk <mk@semihalf.com>
Obtained from: Semihalf
MFC after: 2 weeks
Sponsored by: Amazon, Inc.

(cherry picked from commit 438c9e3cf8)

ena: add support for the large LLQ headers in ENA

Default LLQ (Low-latency queue) maximum header size is 96 bytes and can
be too small for some types of packets - like IPv6 packets with multiple
extension. This can be fixed, by using large LLQ headers.

If the device supports larger LLQ headers, the user can activate this
feature by setting sysctl tunable 'hw.ena.force_large_llq_header' to '1'
in the /boot/loader.conf file.

In case the device isn't supporting this feature, the default value (96B)
will be used.

Submitted by: Michal Krawczyk <mk@semihalf.com>
Obtained from: Semihalf
MFC after: 2 weeks
Sponsored by: Amazon, Inc.

(cherry picked from commit beaadec9ea)

ena: remove surplus NULL checks when freeing ENA resources

Calling free on a NULL pointer is valid, as appropriate check is already
done internally:

/* free(NULL, ...) does nothing */
if (addr == NULL)
    return;

Submitted by: Artur Rojek <ar@semihalf.com>
Obtained from: Semihalf
MFC after: 2 weeks
Sponsored by: Amazon, Inc.

(cherry picked from commit ddec69e6a7)

ena: hide sysctl nodes for unused ENA queues

IO queue related attributes are registered statically at driver attach
with the rest of the ENA specific sysctl nodes. However, the number of
queues can be changed at runtime via the `ena_sysctl_io_queues_nb`
request, leading to a potential exposure of attributes for non-existing
queues.

Introduce a new `ena_sysctl_update_queue_node_nb` function, which
updates the sysctl nodes after the number of queues is altered.
This happens by either registering or unregistering node specific oids,
based on a delta between the previous and current queue count.

NOTE: All unregistered oids must be registered again before the driver
detach, e.g. by another call to this function.

Submitted by: Artur Rojek <ar@semihalf.com>
Obtained from: Semihalf
MFC after: 2 weeks
Sponsored by: Amazon, Inc.

(cherry picked from commit 0e7d31f63b)

Merge tag 'vendor/ena-com/2.4.0'

Update the driver in order not to break its compilation
and make use of the new ENA logging system

Migrate platform code to the new logging system provided by ena_com
layer.

Make ENA_INFO the new default log level.

Remove all explicit use of `device_printf`, all new logs requiring one
of the log macros to be used.

(cherry picked from commit 3fc5d816f8)

Update ENA driver man page

Bring the obsolete man page up to date:
* update diagnostic error messages
* add documentation of loader tunables
* document netmap support
* add a driver history section
* update the contact information

Submitted by: Artur Rojek <ar@semihalf.com>
Submitted by: Michal Krawczyk <mk@semihalf.com>
Obtained from: Semihalf
MFC after: 2 weeks
Sponsored by: Amazon, Inc.

(cherry picked from commit e34856a2c4)

Update ENA version to v2.4.0

Some of the changes in this release:
* Large LLQ headers,
* Bug/stability fixes,
* Change of the README/Documentation.

Submitted by: Michal Krawczyk <mk@semihalf.com>
Obtained from: Semihalf
MFC after: 2 weeks
Sponsored by: Amazon, Inc.

(cherry picked from commit 93f0df457b)
2021-10-07 18:10:21 +02:00
.cirrus-ci Cirrus-CI: retry pkg installation on failure 2021-06-10 08:54:52 -04:00
.github/workflows .github: Attempt to un-break Clang 9 action 2021-05-29 04:38:07 +01:00
bin hostname: avoid strcpy() overlap in -d flag handling 2021-10-03 00:14:58 -05:00
cddl dtrace.1: Document a couple of preprocessor-related options 2021-09-14 08:50:42 -04:00
contrib tcp_wrappers: get rid of duplicate fgets declarations 2021-10-06 02:14:43 -05:00
crypto openssh: remove login class restrictions leftovers 2021-09-16 20:34:13 -04:00
etc Register /usr/tests/usr.bin/diff3 2021-09-25 10:34:39 +02:00
gnu Bump shared library versions after ncurses bump in 13. 2021-02-04 17:51:45 -08:00
include time.h: reduce CLOCK_ namespace pollution, move to _clock_id.h 2021-09-12 09:56:16 -06:00
kerberos5 kerberos5: Silence compiler warnings 2021-03-17 09:53:08 +00:00
lib pfctl: userspace adaptive syncookies configration 2021-10-06 10:46:54 +02:00
libexec bootp: remove the USE_BFUNCS knob 2021-10-06 02:14:39 -05:00
release EC2: Default to UEFI booting 2021-09-25 09:20:58 -07:00
rescue Fix building rescue/rescue when sanitizers are enabled 2021-08-05 09:59:51 +01:00
sbin pfctl: userspace adaptive syncookies configration 2021-10-06 10:46:54 +02:00
secure caroot: cumulative cert update 2021-09-04 02:39:07 -05:00
share Upgrade ENA to v2.4.0 2021-10-07 18:10:21 +02:00
stand loader: dev_net.c should use __func__ with printf 2021-10-01 09:55:18 +03:00
sys Upgrade ENA to v2.4.0 2021-10-07 18:10:21 +02:00
targets Fix bootstrapping to actually build lldb-tblgen for later use 2021-09-07 13:08:18 +01:00
tests pf tests: Basic adaptive mode syncookie test 2021-10-06 10:46:54 +02:00
tools test/ptrace/scescx.c: fix printing of braces for syscalls without args 2021-09-19 14:18:12 +03:00
usr.bin cmp: add -b, --print-bytes 2021-10-03 00:15:12 -05:00
usr.sbin syslogd: undo regression after r326573 2021-10-07 10:07:32 +07:00
.arcconfig arcconfig: add callsign again 2020-11-23 04:39:29 +00:00
.arclint arc lint: ignore /tests/ in chmod 2017-12-19 03:38:06 +00:00
.cirrus.yml Cirrus-CI: reduce VM memory to 8G 2021-09-02 15:14:45 -04:00
.clang-format clang-format: Avoid breaking after the opening paren of function definitions 2020-10-28 11:54:00 +00:00
.gitattributes Add a basic clang-format configuration file 2019-06-07 15:23:52 +00:00
.gitignore Revert "bc: Vendor import of Gavin Howard's bc version 3.2.6" 2021-02-05 20:53:34 +01:00
COPYRIGHT copyrights: Happy New Year 2021 2020-12-31 10:29:44 -05:00
LOCKS LOCKS: update current locks 2018-06-09 03:08:04 +00:00
MAINTAINERS Add a pointer to csprng@ for the CSPRNG driver. This is enforced anyway by 2020-09-01 08:02:12 +00:00
Makefile Makefile: Fix MAKEOBJDIRPREFIX command-line variable check for bmake 2021-09-07 13:06:46 +01:00
Makefile.inc1 Fix bootstrapping to actually build lldb-tblgen for later use 2021-09-07 13:08:18 +01:00
Makefile.libcompat Prefer MK_SSP=no to SSP_CFLAGS= 2021-08-11 13:56:28 -03:00
Makefile.sys.inc AUTO_OBJ: For all top-level targets enforce using an OBJDIR. 2017-12-05 21:29:47 +00:00
ObsoleteFiles.inc boot(9): update to match reality 2021-10-04 11:11:06 -03:00
README Mark the repository has been converted to Git 2020-12-23 12:27:27 +08:00
README.md Revert "bc: Vendor import of Gavin Howard's bc version 3.2.6" 2021-02-05 20:53:34 +01:00
RELNOTES RELNOTES: Add entry for just-MFC'ed HiFive Unmatched support 2021-09-07 13:15:18 +01:00
UPDATING UPDATING: Add entry for commit a599f9f762 2021-10-03 15:54:33 -07:00

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.

For copyright information, please see the file COPYRIGHT in this directory. Additional copyright information also exists for some sources in this tree - please see the specific source directories for more information.

The Makefile in this directory supports a number of targets for building components (or all) of the FreeBSD source tree. See build(7), config(8), https://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/makeworld.html, and https://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/kernelconfig.html for more information, including setting make(1) variables.

Source Roadmap:

bin		System/user commands.

cddl		Various commands and libraries under the Common Development
		and Distribution License.

contrib		Packages contributed by 3rd parties.

crypto		Cryptography stuff (see crypto/README).

etc		Template files for /etc.

gnu		Various commands and libraries under the GNU Public License.
		Please see gnu/COPYING* for more information.

include		System include files.

kerberos5	Kerberos5 (Heimdal) package.

lib		System libraries.

libexec		System daemons.

release		Release building Makefile & associated tools.

rescue		Build system for statically linked /rescue utilities.

sbin		System commands.

secure		Cryptographic libraries and commands.

share		Shared resources.

stand		Boot loader sources.

sys		Kernel sources.

sys/<arch>/conf Kernel configuration files. GENERIC is the configuration
		used in release builds. NOTES contains documentation of
		all possible entries.

tests		Regression tests which can be run by Kyua.  See tests/README
		for additional information.

tools		Utilities for regression testing and miscellaneous tasks.

usr.bin		User commands.

usr.sbin	System administration commands.

For information on synchronizing your source tree with one or more of the FreeBSD Project's development branches, please see:

https://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/current-stable.html