- Add IEEE80211_GET_SLOTTIME(ic) macro.
- Use predefined macroses to set slot time.
Approved by: adrian (mentor)
Differential Revision: https://reviews.freebsd.org/D4044
Before r291643, adding new interface prefix had the following logic:
try_add:
EEXIST && (PINNED) {
try_del(w/o PINNED flag)
if (OK)
try_add(PINNED)
}
In r291643, deletion was performed w/ PINNED flag held which leaded
to new interface prefixes (like ::1) overriding older ones.
Fix this by requesting deletion w/o RTF_PINNED.
PR: kern/205285
Submitted by: Fabian Keil <fk at fabiankeil.de>
Strictly speaking, missing devinfo is error which can be caused
by instantiating child using device_add_child() instead of
BUS_ADD_CHILD(). However, we can tolerate it.
Approved by: kib (mentor)
By using this functions, we can parse a list of tuples, each of them holds
xref and variable number of values.
This kind of list is used in DT for clocks, gpios, resets ...
Discussed with: ian, nwhitehorn
Approved by: kib (mentor)
Differential Revision: https://reviews.freebsd.org/D4316
LLE structure is mostly unchanged during its lifecycle: there are only 2
things relevant for fast path lookup code:
1) link-level address change. Since r286722, these updates are performed
under AFDATA WLOCK.
2) Some sort of feedback indicating that this particular entry is used so
we send NS to perform reachability verification instead of expiring entry.
The only signal that is needed from fast path is something like binary
yes/no.
The latter is solved by the following changes:
Special r_skip_req (introduced in D3688) value is used for fast path feedback.
It is read lockless by fast path, but updated under req_mutex mutex. If this
field is non-zero, then fast path will acquire lock and set it back to 0.
After transitioning to STALE state, callout timer is armed to run each
V_nd6_delay seconds to make sure that if packet was transmitted at the start
of given interval, we would be able to switch to PROBE state in V_nd6_delay
seconds as user expects.
(in STALE state) timer is rescheduled until original V_nd6_gctimer expires
keeping lle in STALE state (remaining timer value stored in lle_remtime).
(in STALE state) timer is rescheduled if packet was transmitted less that
V_nd6_delay seconds ago to make sure we transition to PROBE state exactly
after V_n6_delay seconds.
As a result, all packets towards lle in REACHABLE/STALE/PROBE states are handled
by fast path without acquiring lle read lock.
Differential Revision: https://reviews.freebsd.org/D3780
requests which page alignment + size is greater than MAXPHYS. Right
now md(4) over vnode would use the physical buffer of the size MAXPHYS
to map a data of size MAXPHYS + page offset of the user buffer. This
typically corrupts next pbuf, or, if the pbuf used was the last pbuf
in the map, the next page after the pbuf's map.
Split request up to the size of io which fits into pbuf KVA with
alignment, and retry if a part of the bio is left unprocessed.
Reported by: Fabian Keil <fk@fabiankeil.de>
Tested by: Fabian Keil, pho
Sponsored by: The FreeBSD Foundation
MFC after: 2 weeks
A panicking thread always executes with a critical section held, so any
attempt to allocate or free memory while dumping will otherwise cause a
second panic. This can occur, for example, if xpt_polled_action() completes
non-dump I/O that was pending at the time of the panic. The fact that this
can occur is itself a bug, but asserting in this case does little but
reduce the reliability of kernel dumps.
Suggested by: kib
Reported by: pho
http://www.t-es-t.hu/download/mips/md00090c.pdf this is bit 3 of the
config0 word, not bit 2. This should fix virtually indexed caches
(relatively new in the MIPS world, so no current platforms used this
and current code just uses it as an optimization). It was causing
false positives on newer platforms that default to large values for
the kseg0 cache coherency attribute.
Submitted by: Stanislav Galabov
PR: 205249
It is a part of MCDI rework to share more code among NIC families.
Submitted by: Andy Moreton <amoreton at solarflare.com>
Sponsored by: Solarflare Communications, Inc.
MFC after: 1 week
Differential Revision: https://reviews.freebsd.org/D4481
tables. Some drivers needed some slight re-arrangement of declarations
to accommodate this. Change the USB pnp tables slightly to allow
better compatibility with the system by moving linux driver info from
start of each entry to the end. All other PNP tables in the system
have the per-device flags and such at the end of the elements rather
that at the beginning.
Differential Review: https://reviews.freebsd.org/D3458
block. Use it in all the PNP drivers to export either the current PNP
table. For uart, create a custom table and export it using
MODULE_PNP_INFO since it's the only one that matches on function
number.
Differential Review: https://reviews.freebsd.org/D3461
Intel NVMe controllers have a slow path for I/Os that span a 128KB stripe boundary but ZFS limits ashift, which is derived from d_stripesize, to 13 (8KB) so we limit the stripesize reported to geom(8) to 4KB.
This may result in a small number of additional I/Os to require splitting in nvme(4), however the NVMe I/O path is very efficient so these additional I/Os will cause very minimal (if any) difference in performance or CPU utilisation.
This can be controller by the new sysctl kern.nvme.max_optimal_sectorsize.
MFC after: 1 week
Sponsored by: Multiplay
Differential Revision: https://reviews.freebsd.org/D4446
e500mc, e5500, and e6500 all use the normal FPU, with the same behavior as AIM
hardware. e6500 also supports Altivec, so, although we don't yet have e6500
hardware to test on, add these IVORs as well. Theoretically, since it boots the
same as a e5500, it should work, single-threaded, single-core, with full altivec
support as of this commit.
With this commit, and some other patches to be committed shortly FreeBSD now
boots on the P5020, single-core, all the way to user space, and should boot just
fine on e500mc.
Relnotes: Yes (e500mc, e5500 support)
Sponsored by: Alex Perez/Inertial Computing
IAP_F_FM's as well as incorrect umask specifications for
some of the new Broadwell/Skylake PMC's. Also silvermont
had a *lot* of missing IAP_F_FM.
Sponsored by: Netflix Inc.
Remove redundant lookup of the old page from vm_page_replace. Verification
that the old page exists is already done by vm_radix_replace.
Submitted by: Ryan Libby <rlibby@gmail.com>
Reviewed by: alc, kib
Sponsored by: EMC / Isilon Storage Division
Follow-up to: https://reviews.freebsd.org/D4326
Differential Revision: https://reviews.freebsd.org/D4471
except during split, add, or create operations. This fixes a bug where the
wrong disk could be returned, and higher layers of ZFS would immediately
eject it again.
sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev_geom.c:
o When opening by GUID, require both the pool and vdev GUIDs to
match. While it is highly unlikely for two vdevs to have the same
vdev GUIDs, the ZFS storage pool allocator only guarantees they
are unique within a pool.
o Modify the open behavior to:
- If we are opening a vdev that hasn't previously been opened,
open by path without checking GUIDs.
- Otherwise, open by path and verify GUIDs.
- If that fails, search all geom providers for a device with
matching GUIDs.
- If that fails, return ENOENT.
Submitted by: gibbs, asomers
Reviewed by: smh
MFC after: 4 weeks
Sponsored by: Spectra Logic Corp
Differential Revision: https://reviews.freebsd.org/D4486
This is (oddly) specified in the ARM Server Base System Architecture. It
extends the GICv2 to support MSI and MSI-X interrupts, however only the
latter are currently supported.
Only the FDT attachment is currently supported, however the attachment
and core driver are split to help adding ACPI support in the future.
Obtained from: ABT Systems Ltd
Relnotes: yes
Sponsored by: SoftIron Inc
This routine checks that there are no locks held for an inp,
without having any lock on the inp. This breaks if the inp
goes away when it is called. This happens on stress tests
on a RPi B+.
MFC after: 3 days
When we are detecting a partition table and didn't find PMBR, try to
read backup GPT header from the last sector and if it is correct,
assume that we have GPT.
Reviewed by: rpokala
MFC after: 1 month
Differential Revision: https://reviews.freebsd.org/D4282
To reduce code duplication in common code, consolidate similar privilege
check functions.
Submitted by: Richard Houldsworth <rhouldsworth at solarflare.com>
Reviewed by: gnn
Sponsored by: Solarflare Communications, Inc.
MFC after: 2 days
Differential Revision: https://reviews.freebsd.org/D4480
Submitted by: Richard Houldsworth <rhouldsworth at solarflare.com>
Sponsored by: Solarflare Communications, Inc.
MFC after: 2 days
Differential Revision: https://reviews.freebsd.org/D4455
