Implement a ddb function walking the namecache to do this.
Reviewed by: jhb, mjg
Inspired by: gdb macro from jhb (old version)
Sponsored by: iXsystems, Inc.
Differential Revision: https://reviews.freebsd.org/D14898
The nvlist_append_{bool,number,string,nvlist,descriptor}_array() functions
allows to dynamically extend array stored in the nvlist.
Submitted by: Mindaugas Rasiukevicius <rmind@netbsd.org>
All information which are need for those operations is already stored in
the cookie.
We decided not to bump libnv version because this API is not used yet in the
base system.
Reviewed by: pjd
objdump is sometimes used in cases where readelf is more appropriate,
but the obsolete GNU objdump we have in the base system will be removed
in the future.
.Xr readelf from elf.5 to improve the odds the more appropriate tool
will be found.
PR: 229046
MFC after: 1 week
Sponsored by: The FreeBSD Foundation
The handbooks are not installed there anymore. While here, improve the
URLs markup a bit.
Reviewed by: allanjude@
MFC after: 2 weeks
Sponsored by: DARPA, AFRL
Differential Revision: https://reviews.freebsd.org/D15793
Most kernel memory that is allocated after boot does not need to be
executable. There are a few exceptions. For example, kernel modules
do need executable memory, but they don't use UMA or malloc(9). The
BPF JIT compiler also needs executable memory and did use malloc(9)
until r317072.
(Note that a side effect of r316767 was that the "small allocation"
path in UMA on amd64 already returned non-executable memory. This
meant that some calls to malloc(9) or the UMA zone(9) allocator could
return executable memory, while others could return non-executable
memory. This change makes the behavior consistent.)
This change makes malloc(9) return non-executable memory unless the new
M_EXEC flag is specified. After this change, the UMA zone(9) allocator
will always return non-executable memory, and a KASSERT will catch
attempts to use the M_EXEC flag to allocate executable memory using
uma_zalloc() or its variants.
Allocations that do need executable memory have various choices. They
may use the M_EXEC flag to malloc(9), or they may use a different VM
interfact to obtain executable pages.
Now that malloc(9) again allows executable allocations, this change also
reverts most of r317072.
PR: 228927
Reviewed by: alc, kib, markj, jhb (previous version)
Sponsored by: Netflix
Differential Revision: https://reviews.freebsd.org/D15691
Lack of functioning link and activity LEDs on devices without an EEPROM
is expected (not a bug). Quoting the EVB-LAN7850 User's Guide:
When configured with the default internal register settings, the
Ethernet Link status LEDs are not enabled. To enable Ethernet Link
status LEDs, enable the EEPROM.
This is an artifact of the different ways in which the evaluation board
can be used. End-user USB-Ethernet adapters using the Microchip LAN78XX
or LAN7515 controllers should use an EEPROM or have OTP configuration,
if their product configuration does not match the boot default register
configuration.
Sponsored by: The FreeBSD Foundation
Differences between LAN7800 and LAN7850 from the driver's perspective:
* The LAN7800 muxes EEPROM signals with LEDs, so LED mode needs to be
disabled when reading/writing EEPROM. The EEPROM is not muxed on the
LAN7850.
* The Linux driver enables automatic duplex and speed detection when
there is no EEPROM, for the LAN7800 only. With this FreeBSD driver
LAN7850-based adapters without a configuration EEPROM fail to link
(with or without the automatic duplex and speed detection code), so
I have just followed the example of the Linux driver for now.
Sponsored by: The FreeBSD Foundation
Sponsored by: Microchip (hardware)
These ioctls are not documented and only stubbed in a few drivers: mse(4),
psm(4) and syscon's sysmouse(4). The only exception is MOUSE_GETVARS
implemented in psm(4)
Given the fact that they were introduced 20 years ago and implementation
has never been completed, remove any related code.
PR: 228718 (exp-run)
Reviewed by: imp
Differential Revision: https://reviews.freebsd.org/D15726
callbacks to perform additional cleanup actions at the time a socket is
closed.
Michio Honda presented a use for this at BSDCan 2018.
(See https://www.bsdcan.org/2018/schedule/events/965.en.html .)
Submitted by: Michio Honda <micchie at sfc.wide.ad.jp> (previous version)
Reviewed by: lstewart (previous version)
Differential Revision: https://reviews.freebsd.org/D15706
of needed interface when many gif interfaces are present.
Remove rmlock from gif_softc, use epoch(9) and CK_LIST instead.
Move more AF-related code into AF-related locations.
Use hash table to speedup lookup of needed softc. Interfaces
with GIF_IGNORE_SOURCE flag are stored in plain CK_LIST.
Sysctl net.link.gif.parallel_tunnels is removed. The removal was planed
16 years ago, and actually it could work only for outbound direction.
Each protocol, that can be handled by if_gif(4) interface is registered
by separate encap handler, this helps avoid invoking the handler
for unrelated protocols (GRE, PIM, etc.).
This change allows dramatically improve performance when many gif(4)
interfaces are used.
Sponsored by: Yandex LLC
or 4 CPUs. Add a compile-time option SC_KERNEL_CONS_ATTRS to control the
defaults.
Default to color numbers in reverse order to CPU numbers (instead of
in the same order with white first and wrapping to dark grey), so that
the brightest bright colors are used first. Don't use dark grey at all;
replace it by dark green.
Syscons has too many compile-time options, but this one is needed in
in case the defaults give something like white on white, or the user
really hates this feature and can't wait to turn it off in rc.
MFC after: next release?
when to use assert, as well as providing a bad example of using
assert. While not strictly necessary, experience has shown issues
with poor assert choice happen often enough that this departure seems
warranted. Also, tighten up the previous example (there's no need
to have extra paragraphs or gratuitously long lines).
Reviewed by: emaste@ (earlier version)
The hardware rate limiting feature is enabled by the RATELIMIT kernel
option. Please refer to ifconfig(8) and the txrtlmt option and the
SO_MAX_PACING_RATE set socket option for more information. This
feature is compatible with hardware transmit send offload, TSO.
A set of sysctl(8) knobs under dev.mce.<N>.rate_limit are provided to
setup the ratelimit table and also to fine tune various rate limit
related parameters.
Sponsored by: Mellanox Technologies
It seems a shame to ruin the patina of the June 4, 1993 date
on abort.3, especially since it still matched the date of
the SCCS ID, but those are the rules.
Reported by: araujo
MFC after: 3 days
Sponsored by: Dell EMC
I didn't know abort2 existed until it was mentioned on a mailing list.
Mention it in related pages so others can find it easily.
MFC after: 3 days
Sponsored by: Dell EMC
- remove "all rights reserved" from my copyright on my extensive
contributions
- belatedly add my name to tuning.7 which I was a large contributor to
several years ago
This commit can also serve as implicit permission for any formatting or
non-substantive changes that FreeBSD wishes to make in the future.
There are risks associated with waiting on a preemptible epoch section.
Change the name to make them not be the default and document the issue
under CAVEATS.
Reported by: markj
storage, CDC ACM (serial), and CDC ECM (ethernet) at the same time.
It's quite similar in function to Linux' "g_multi" gadget.
Reviewed by: hselasky@
MFC after: 2 weeks
Relnotes: yes
Sponsored by: The FreeBSD Foundation
This driver was merged to HEAD one week prior to Exar publicly announcing they
had left the Ethernet market. It is not known to be used and has various code
quality issues spotted by Brooks and Hiren. Retire it in preparation for
FreeBSD 12.0.
Submitted by: kbowling
Reviewed by: brooks imp
Relnotes: yes
Sponsored by: Limelight Networks
Differential Revision: https://reviews.freebsd.org/D15442
Somehow two copies of the man was in the file, remove one.
Replace an occurence of 'SD/MMC' that was left from copy/paste.
Remove space before ':'
Reported by: 0mp
Each TCP connection that uses the system default cc_newreno(4) congestion
control algorithm module leaks a "struct newreno" (8 bytes of memory) at
connection initialisation time. The NULL-pointer dereference is only germane
when using the ABE feature, which is disabled by default.
While at it:
- Defer the allocation of memory until it is actually needed given that ABE is
optional and disabled by default.
- Document the ENOMEM errno in getsockopt(2)/setsockopt(2).
- Document ENOMEM and ENOBUFS in tcp(4) as being synonymous given that they are
used interchangeably throughout the code.
- Fix a few other nits also accidentally omitted from the original patch.
Reported by: Harsh Jain on freebsd-net@
Tested by: tjh@
Differential Revision: https://reviews.freebsd.org/D15358
This hardware isn't totally ancient, about equal to a mxge(4) or mlx4en(4),
but the company was sold to Exar which then promptly exited the Ethernet
business so the card was commercially available for under 2 years. On deep
search, the only usage of these cards I found was by the importing of the
driver. There are code quality issues identified by Brooks and Hiren and
no visible use nor maintainership that warrant removal from FreeBSD 12.0.
Submitted by: kbowling
Reviewed by: gnn brooks
Sponsored by: Limelight Networks
Differential Revision: https://reviews.freebsd.org/D15363
- Use Fx when referring to FreeBSD.
- Use Ql instead of Cm for command invocations.
- Remove some redundant Pp macros.
- Use a literal indented Bd instead of a series of Dl macros.
Submitted by: 0mp@
Reviewed by: eadler@
MFC after: 2 weeks
Differential Revision: https://reviews.freebsd.org/D15126
Currently when net.inet.carp.allow=0 CARP state remains as MASTER, which is
not very useful (if there are other masters -- it can lead to split brain,
if there are none -- it makes no sense). Having it as INIT makes it clear
that carp packets are disabled.
Submitted by: wg
MFC after: 1 month
Relnotes: yes
Sponsored by: iXsystems, Inc.
Differential Revision: https://reviews.freebsd.org/D14477
This is a component of a system which lets the kernel dump core to
a remote host after a panic, rather than to a local storage device.
The server component is available in the ports tree. netdump is
particularly useful on diskless systems.
The netdump(4) man page contains some details describing the protocol.
Support for configuring netdump will be added to dumpon(8) in a future
commit. To use netdump, the kernel must have been compiled with the
NETDUMP option.
The initial revision of netdump was written by Darrell Anderson and
was integrated into Sandvine's OS, from which this version was derived.
Reviewed by: bdrewery, cem (earlier versions), julian, sbruno
MFC after: 1 month
X-MFC note: use a spare field in struct ifnet
Sponsored by: Dell EMC Isilon
Differential Revision: https://reviews.freebsd.org/D15253
The rsu firmware license check has been disabled since r292756. Changes
rsu(4) since the license ack is no longer required.
While here, add `device rsufw` hint to the kernel configuration lines and
add/update paths to the installed license file in both rsu(4) and rsufw(4).
Submitted by: Mateusz Piotrowski (0mp)
Reviewed by: bcr (manpages)
MFC after: 1 month
Differential Revision: https://reviews.freebsd.org/D14966
Currently 'man -k iflib' would find you the right pages for iflib
documentation, namely iflibdd(9) and iflibdi(9) but 'man iflib' would leave
you in the dark. This allows both approaches to find the relevant
documentation.
Reviewed by: kmacy, shurd
Sponsored by: iXsystems, Inc.
Differential Revision: https://reviews.freebsd.org/D15219
Prior to this change the manual page documented ifdi_queues_alloc which has
been replaced by separate methods for tx and rx queues.
Reviewed by: kmacy, shurd
Sponsored by: iXsystems, Inc.
Differential Revision: https://reviews.freebsd.org/D15218
This driver was for an early and uncommon legacy PCI 10GbE for a single
ASIC, Intel 82597EX. Intel quickly shifted to the long lived ixgbe family.
Submitted by: kbowling
Reviewed by: brooks imp jeffrey.e.pieper@intel.com
Relnotes: yes
Sponsored by: Limelight Networks
Differential Revision: https://reviews.freebsd.org/D15234
This driver supports legacy, 32-bit PCI devices, and had an ambiguous
license. Supported devices were already reported to be rare in 2003
(when an earlier version of the driver was removed in r123201).
Reviewed by: rgrimes
Relnotes: Yes
Sponsored by: The FreeBSD Foundation
Differential Revision: https://reviews.freebsd.org/D15245
This is a prequisite before we remove the driver from -current.
Reviewed by: emaste kbowling imp
Relnotes: yes
Differential Revision: https://reviews.freebsd.org/D15244
Previously it was possible to connect a socket (which had the
CAP_CONNECT right) by calling "connectat(AT_FDCWD, ...)" even in
capabilties mode. This combination should be treated the same as a call
to connect (i.e. forbidden in capabilities mode). Similarly for bindat.
Disable connectat/bindat with AT_FDCWD in capabilities mode, fix up the
documentation and add tests.
PR: 222632
Submitted by: Jan Kokemüller <jan.kokemueller@gmail.com>
Reviewed by: Domagoj Stolfa
MFC after: 1 week
Relnotes: Yes
Differential Revision: https://reviews.freebsd.org/D15221
Add a driver that match on 'rockchip,gpio-bank', this compatible
string is found on almost all RockChip SoC so this driver is compatible
with almost all of the RockChip SoCs.
The only features missing for this driver are :
- Interrupts support
- Debouncing
Add pinctrl driver for RockChip SoCs. This device manage which function
to set on which pin and some other properties like pull up/down, drive
strength etc ...
For now the driver only support RK3328 but it is versatile enough to
add support for other RockChip SoC in the future.
RockChip GRF (General Register Files) is present on almost all RockChip
SoC and is used to control some area of the system like iomuxing, gpio
or usb phy.
We need it to be probed and attached early in the boot process so
subclass syscon_generic and set the pass to BUS_PASS_BUS + BUS_PASS_ORDER_MIDDLE.
- Microsemi SCSI driver for PQI controllers.
- Found on newer model HP servers.
- Restrict to AMD64 only as per developer request.
The driver provides support for the new generation of PQI controllers
from Microsemi. This driver is the first SCSI driver to implement the PQI
queuing model and it will replace the aacraid driver for Adaptec Series 9
controllers. HARDWARE Controllers supported by the driver include:
HPE Gen10 Smart Array Controller Family
OEM Controllers based on the Microsemi Chipset.
Submitted by: deepak.ukey@microsemi.com
Relnotes: yes
Sponsored by: Microsemi
Differential Revision: https://reviews.freebsd.org/D14514
device-side (and only device-side) "virtual USB serial adapters" - the
ones you can get with an OTG-capable board - as consoles. It boils down
to adding the device name to kern.console sysctl, although doing that
requires jumping through some hoops. It doesn't change the actual
operation of those virtual devices. The point is to make it possible
for init(8) to recognize them as console devices and to launch getty(8)
for them, when configured as "onifconsole" in ttys(5). The point of
that, in turn, is to add such entries to the default ttys(5), so that
init(8) will launch gettys for device-side "virtual serial adapters",
but not for actual USB serial dongles.
Reviewed by: hselasky@
No objections: imp@
MFC after: 2 weeks
Sponsored by: The FreeBSD Foundation
We intend to remove support before FreeBSD 12 is branched. These are
available only as 32-bit PCI devices. The driver has an ambiguous
license and I have not been successful in contacting the driver's author
in order to address this.
The planned deprecation has been announced on -current and -stable; if
we receive feedback that the driver is still useful and we are able to
resolve the license issue this deprecation notice can be reverted.
Reviewed by: bapt, brooks, imp, rgrimes
MFC after: 2 weeks
Relnotes: Yes
Sponsored by: The FreeBSD Foundation
Differential Revision: https://reviews.freebsd.org/D15182
Half of implementations always failed (returned (-1)) and they were
previously used in only one place.
Reviewed by: kib, andrew
Obtained from: CheriBSD
Sponsored by: DARPA, AFRL
Differential Revision: https://reviews.freebsd.org/D15102
