present. Only call the bus to check if we actually do timeout so we
don't affect the normal case (since this case needn't be optimized and
this guards against all races).
child is still present. If not, return 'handled' and don't print
anything (this is expected behavior). We expect an interrupt on eject,
power-down and/or shutdown.
particular flow control and dma coalesce. Also improve the
sysctl operation on those too.
Add IPv6 detection in the ioctl code, this was done for
ixgbe first, carrying that over.
Add resource ability to disable particular adapter.
Add HW TSO capability so vlans can make use of TSO
operations while traversing non-exported file systems. This is
required for some non-FreeBSD clients to do NFSv4 mounts. Found during
the recent NFSv4 interoperability Bakeathon.
MFC after: 2 weeks
Since the only parameter that we check is size of bootcode, then
allow only two sizes: size of boot1 and size of /boot/boot.
This partially protects users from losing ability to boot if incorrect
bootcode is specified.
Requested by: ru
TX for the given TID needs to be paused during ADDBA requests (and unpaused
once the session is established.) Since net80211 currently doesn't implement
software aggregation, if this pause/unpause is done in the driver (as it
is in my development branch) then it will need to be unpaused both on
ADDBA response and on ADDBA timeout.
This callback allows the driver to unpause TX for the relevant TID.
Reviewed by: bschmidt
IPsec being compiled in and used. Improve reporting by adding the length
fields to the panic message, so that we would have some immediate debugging
hints.
Discussed with: jhb
the future, but presents a set of simple block devices for now. With
(forthcoming) boot loader support or vfs.root.mountfrom, allows booting
PS3s from disk.
Submitted by: glevand <geoffrey.levand@mail.ru>
lock the mutex when manipulating rc_flag in the DRC cache.
This is believed to fix a hung server that was reported
to the freebsd-fs@ list on June 9 under the subject heading
"New NFS server stress test hang", where all the threads
were waiting for the RC_LOCKED flag to clear.
Tested by: jwd at slowblink.com
MFC after: 2 weeks
the NFS subsystems use five of the rpcsec_gss/kgssapi entry points,
but since it was not obvious which others might be useful, all
nineteen were included. Basically the nineteen entry points are
set in a structure called rpc_gss_entries and inline functions
defined in sys/rpc/rpcsec_gss.h check for the entry points being
non-NULL and then call them. A default value is returned otherwise.
Requested by rwatson.
Reviewed by: jhb
MFC after: 2 weeks
(Saying that the lock on the object that the page belongs to must be held
only represents one aspect of the rules.)
Eliminate the use of the page queues lock for atomically performing read-
modify-write operations on the dirty field when the underlying architecture
supports atomic operations on char and short types.
Document the fact that 32KB pages aren't really supported.
Reviewed by: attilio, kib
Some of loader filesystems are very ill equipped to handle seeking
backwards within the file. Namely, tftp requires trasfer to be
restarted from the start of the file every time we go backwards.
cloned from the old NFS client, plus additions for NFSv4. A
review of this code is in progress, however it was felt by the
reviewer that it could go in now, before code slush. Any changes
required by the review can be committed as bug fixes later.
interrupts. Bringup on additional machine models repeatedly reveals
firmware that enables interrupts behind our back, causing the console
to be flooded otherwise.
- As with the regular interrupt counters using uint16_t instead of
u_long for counting the stray vector interrupts should be more than
sufficient.
- Cache the interrupt vector in intr_stray_vector().
On MP systems this is not a usable solution anymore and could easily
lead to false positives triggering enough logging that even using
the console was no longer usable (multiple parallel ping -f can do).
Switch to the suggested solution of using mbuf tags to carry per
packet state between gre_output() invocations. Contrary to the
proposed solution modelled after gif(4) only allocate one mbuf tag
per packet rather than per packet and per gre_output() pass through.
As the sysctl to control the possible valid (gre in gre) nestings does
no sanity checks, make sure to always allocate space in the mbuf tag
for at least one, and at most 255 possible gre interfaces to detect
loops in addition to the counter.
Submitted by: Cristian KLEIN (cristi net.utcluj.ro) (original version)
PR: kern/114714
Reviewed by: Cristian KLEIN (cristi net.utcluj.ro)
Reviewed bu: Wooseog Choi (ben_choi hotmail.com)
Sponsored by: Sandvine Incorporated
MFC after: 1 week
proceeding.
On boot, some laptops with certain cards in them sometimes fail on
boot, but if the card is inserted after boot it works. Experiments
show that small delays here makes things more reliable. It is
believed that some combinations need a little more time before the
power on the card is really stable enough to be reliable once the
power is stable in the bridge.
some times compiler inserts redundant instructions to preserve unused upper
32 bits even when it is casted to a 32-bit value. Unfortunately, it seems
the problem becomes more serious when it is shifted, especially on amd64.
ACPI Device() objects that do not have any device IDs available via the
_HID or _CID methods. Without a device ID a device driver cannot attach
to the device anyway. Namespace objects that are devices but not of
type ACPI_TYPE_DEVICE are not affected.
A few BIOSes have also attached a _CRS method to a PCI device to
allocate resources that are not managed via a BAR. With the previous
code those resources are allocated from acpi0 directly which can interfere
with the new PCI-PCI bridge driver (since the PCI device in question may
be behind a bridge and its resources should be allocated from that
bridge's windows instead). The resources were also orphaned and
and would end up associated with some other random device whose device_t
reused the pointer of the original ACPI-enumerated device (after it was
free'd by the ACPI PCI bus driver) in devinfo output which was confusing.
If we want to handle _CRS on PCI devices we can adjust the ACPI PCI bus
driver to do that in the future and associate the resources with the
proper device object respecting PCI-PCI bridges, etc.
Note that with this change the ACPI PCI bus driver no longer has to
delete ACPI-enumerated device_t devices that mirror PCI devices since
they should in general not exist. There are rare cases when a BIOS
will give a PCI device a _HID (e.g. I've seen a PCI-ISA bridge given
a _HID for a system resource device). In that case we leave both the
ACPI and PCI-enumerated device_t objects around just as in the previous
code.
method instead of reusing the existing per-queue interrupt task.
Reusing the per-queue interrupt task could result in both an interrupt
thread and the taskqueue thread trying to handle received packets on a
single queue resulting in out-of-order packet processing.
- Don't define igb_start() at all on 8.0 and where if_transmit is used.
Replace last remaining call to igb_start() with a loop to kick off
transmit on each queue instead.
- Call ether_ifdetach() earlier in igb_detach().
- Drain tasks and free taskqueues during igb_detach().
Reviewed by: jfv
MFC after: 1 week
space. This is consistent with the behavior in linux.
PR: kern/157871
Reported by: Petr Salinger <Petr Salinger att seznam cz>
Verified on: GNU/kFreeBSD debian 8.2-1-amd64 (by reporter)
Reviewed by: kib (some time ago)
MFC after: 2 weeks
