Commit Graph

170281 Commits

Author SHA1 Message Date
alc
a8872fa39a Release the free page queues lock earlier in vm_page_alloc().
Discussed with:	kib@
2011-01-30 23:55:48 +00:00
jilles
8605caacbf sh: Send messages about signals to stderr.
This is required by POSIX and seems to make more sense.

See also r217557.
2011-01-30 22:57:52 +00:00
dchagin
3ee570eed2 Regen for r218101.
MFC after:	1 Month.
2011-01-30 20:38:26 +00:00
dchagin
1f6782f19e Change linux futex syscall definition to match actual linux one.
MFC after:	1 Month.
2011-01-30 20:31:43 +00:00
dchagin
6115f650de The kern_wait() code already removes the SIGCHLD signal for the waited
process. Removing other SIGCHLD signals is not needed and may cause
problems.

Pointed out by:	jilles

MFC after:	1 Month.
2011-01-30 18:17:38 +00:00
kib
1b9efc11ba Fix grammar in comment.
Pointy hat to:	kib
MFC after:	1 week
2011-01-30 16:21:25 +00:00
kib
eb600b1180 Make ldd(1) work when versioned dependency file is cannot be loaded.
Instead of aborting in locate_dependency(), propagate the error to
caller. The rtld startup function does the right thing with an error
from rtld_verify_versions(), depending on the mode of operation.

Reported by:	maho
In collaboration with:	kan
MFC after:	1 week
2011-01-30 16:14:09 +00:00
bschmidt
71ec4b8793 Fix the 'scan hang' issue.
When requesting a scan and one is already in progess, e.g. while in scan
state, we happily wait for a scan done notification. Though, this
notification might never be sent, e.g. if we are trying to find a network
to associate to and there is none. Instead of always waiting for a
notification just do so if a new scan has been started. For both cases the
scan cache is used to report available networks even if the content might
not be fresh.

MFC after:	1 month
2011-01-30 14:22:45 +00:00
bschmidt
14dd7e3bfc Instead of always returning 0 to a scan request, indicate if there is
one running already.

MFC after:	1 month
2011-01-30 14:05:21 +00:00
bschmidt
df7538722d Change return code semantics of start_scan_locked(). Instead of reporting
if a scan is running, report if a scan has been started. The return value
itself is not (yet) used anywhere in the tree and it is also not exported
to userspace.

MFC after:	1 month
2011-01-30 14:00:50 +00:00
bschmidt
e543f6eb01 When doing a scan while being associated it is possible that the scan
is deferred for the time it takes to flush the TX queue. This work being
done the scan then is continued, but only if it is marked to do so. As
the 'ifconfig scan' request is meant to be used after the interface is
brought up, request a background scan by default. This behaviour is
already documented in manual page.

This fixes on possible case where 'ifconfig scan' hangs infinitely.

MFC after:	1 month
2011-01-30 13:17:45 +00:00
uqs
23e658552f syscons: install all available kbdmaps
eee_nordic.kbd, us.dvorakl.kbd, and us.dvorakr.kbd were not installed.

Found by:	Neil Short <neshort@yahoo.com>
MFC after:	3 weeks
2011-01-30 12:57:10 +00:00
adrian
f4f409cce3 Add support for the m25p64; lifted straight from Linux.
This flash chip is found on the Ubiquiti LS-SR71 board.
I've successfully tested reading; I've not tried writing to it yet.
2011-01-30 12:14:06 +00:00
bschmidt
e03ae5f207 Honor the IEEE80211_SCAN_BGSCAN flag, which makes it possible to actually
request a background scan using IEEE80211_IOC_SCAN_BGSCAN.

MFC after:	1 month
2011-01-30 11:23:59 +00:00
nwhitehorn
21d76c3e9d Fix boot on SMP systems after r218075 by delaying CPU binding until a
SYSINIT.

Reviewed by:	marcel
2011-01-29 23:26:28 +00:00
bz
9fc71bde19 Remove duplicate printing of TF_NOPUSH in db_print_tflags().
MFC after:	10 days
2011-01-29 22:11:13 +00:00
marcel
6e31b7a52f Don't operate on the parent of the PCI node. It's the PCI node itself
that represents the host controller. This makes the FDT PCI support
working an a bare-bones manner. This needs a lot more work, of which
the beginning are at the end of the file, compiled-out with #if 0.

The intend being that both the Marvell PCIE and Freescale PCI/PCIX/PCIE
duplicate the same platform-independent domain initialization, that
should be moved into an unified implementation in the FDT code. Handling
of resources requires help from the platform. A unified implementation
allows us to properly support PCI devices listed in the device tree and
configured according to the device tree specification.

Sponsored by: Juniper Networks
2011-01-29 21:14:29 +00:00
marcel
9ac3b7b64a Call newbus_device_create() for PCI devices. Call pci_from_fdt_node()
for the newly created device_t, rather than the parent.
2011-01-29 21:08:03 +00:00
marcel
d129fb0e44 Fix the interrupt code, broken 7 months ago. The interrupt framework
already supported nested PICs, but was limited to having a nested
AT-PIC only. With G5 support the need for nested OpenPIC controllers
needed to be added. This was done the wrong way and broke the MPC8555
eval system in the process.

OFW, as well as FDT, describe the interrupt routing in terms of a
controller and an interrupt pin on it. This needs to be mapped to a
flat and global resource: the IRQ. The IRQ is the same as the PCI
intline and as such needs to be representable in 8 bits. Secondly,
ISA support pretty much dictates that IRQ 0-15 should be reserved
for ISA interrupts, because of the internal workins of south bridges.
Both were broken.

This change reverts revision 209298 for a big part and re-implements
it simpler. In particular:
o   The id() method of the PIC I/F is removed again. It's not needed.
o   The openpic_attach() function has been changed to take the OFW
    or FDT phandle of the controller as a second argument. All bus
    attachments that previously used openpic_attach() as the attach
    method of the device I/F now implement as bus-specific method
    and pass the phandle_t to the renamed openpic_attach().
o   Change powerpc_register_pic() to take a few more arguments. In
    particular:
    -   Pass the number of IPIs specificly. The number of IRQs carved
	out for a PIC is the sum of the number of int. pins and IPIs.
    -   Pass a flag indicating whether the PIC is an AT-PIC or not.
	This tells the interrupt framework whether to assign IRQ 0-15
	or some other range.
o   Until we implement proper multi-pass bus enumeration, we have to
    handle the case where we need to map from PIC+pin to IRQ *before*
    the PIC gets registered. This is done in a similar way as before,
    but rather than carving out 256 IRQs per PIC, we carve out 128
    IRQs (124 pins + 4 IPIs). This is supposed to handle the G5 case,
    but should really be fixed properly using multiple passes.
o   Have the interrupt framework set root_pic in most cases and not
    put that burden in PIC drivers (for the most part).
o   Remove powerpc_ign_lookup() and replace it with powerpc_get_irq().
    Remove IGN_SHIFT, INTR_INTLINE and INTR_IGN.

Related to the above, fix the Freescale PCI controller driver, broken
by the FDT code. Besides not attaching properly, bus numbers were
assigned improperly and enumeration was broken in general. This
prevented the AT PIC from being discovered and interrupt routing to
work properly. Consequently, the ata(4) controller stopped functioning.

Fix the driver, and FDT PCI support, enough to get the MPC8555CDS
going again. The FDT PCI code needs a whole lot more work.

No breakages are expected, but lackiong G5 hardware, it's possible
that there are unpleasant side-effects. At least MPC85xx support is
back to where it was 7 months ago -- it's amazing how badly support
can be broken in just 7 months...

Sponsored by: Juniper Networks
2011-01-29 20:58:38 +00:00
marcel
f9d6eb1e75 Have nexus behave the same as the one on ARM (marvell SoCs), so as to
prevent warnings during boot WRT to the fdtbus attachment.
2011-01-29 20:28:17 +00:00
marcel
97b823bf51 Introduce macro FDT_MAP_IRQ to map from an interrupt controller and
interrupt pin pair to a global IRQ number. When multiple PICs exist
on a board, the interrupt pin alone is not unique.
2011-01-29 20:25:20 +00:00
rrs
181e76925b Fixes to ECN in SCTP.
1) ECN was on an association basis, this is incorrect and
   will not work with CMT or for that matter if the user
   is sending to multiple addresses. This commit makes
   ECN on a per path basis.
2) Adopt the new format for the ECN internet draft. This also
   maintains compatability with old format chunks as well.
3) Keep track of the real time of a RTT down to micro seconds.
   For some future conditional features (for like a data center
   this is good information to have).
MFC after:	1 month
2011-01-29 19:55:29 +00:00
alc
48530618fa Reenable the call to vm_map_simplify_entry() from vm_map_insert() for non-
MAP_STACK_* entries.  (See r71983 and r74235.)

In some cases, performing this call to vm_map_simplify_entry() halves the
number of vm map entries used by the Sun JDK.
2011-01-29 15:23:02 +00:00
adrian
77d48002a1 Avoid writing CCA threshold values for the EXT radios for non-HT40 channels. 2011-01-29 14:36:31 +00:00
adrian
16700c0fc2 Bring over some NF calibration changes from ath9k.
Each different radio chipset has a different "good" range of CCA
(clear channel access) parameters where, if you write something
out of range, it's possible the radio will go deaf.

Also, since apparently occasionally reading the NF calibration
returns "wrong" values, so enforce those limits on what is being
written into the CCA register.

Write a default value if there's no history available.

This isn't the case right now but it may be later on when "off-channel"
scanning occurs without init'ing or changing the NF history buffer.
(As each channel may have a different noise floor; so scanning or
other off-channel activity shouldn't affect the NF history of
the current channel.)
2011-01-29 14:27:20 +00:00
adrian
1923543717 Fix some errors introduced w/ the last commit; fix setting RTS/CTS in the 11n rate scenario.
* I messed up a couple of things in if_athvar.h; so fix that.
* Undo some guesswork done in ar5416Set11nRateScenario() and introduce a
  flags parameter which lets the caller set a few things. To begin with,
  this includes whether to do RTS or CTS protection.
* If both RTS and CTS is set, only do RTS. Both RTS and CTS shouldn't be
  set on a frame.
2011-01-29 12:30:13 +00:00
adrian
876bfc9fd7 Link in the 11n specific TX methods into the HAL. 2011-01-29 12:16:26 +00:00
adrian
05a9c90aff Migrate the TX path code out of if_ath and into a separate source file.
There's two reasons for this:

* the raw and non-raw TX path shares a lot of duplicate code which should be
  refactored;
* the 11n-ready chip TX path needs a little reworking.
2011-01-29 11:35:23 +00:00
jchandra
cc338a54f7 Rewrite the ARCH check another way for backward compatibility.
Compilation fails now, if TARGET_ARCH=mips instead of mipsel/mipseb.
2011-01-29 10:32:00 +00:00
adrian
d0ef1d0ef8 Add a check for the AR9285E; I have no idea what this is.
The only other changes in ath9k for the AR9285E revolve around sleep modes
which are not fully implemented here yet.
2011-01-29 08:52:06 +00:00
dchagin
ae8fb00cf1 My style(9) bug.
Pointed out by:	kib

MFC after:	1 Month.
2011-01-29 07:22:33 +00:00
adrian
bb5c10096e Break out the debug macros from if_ath.c into if_ath_debug.[ch] .
This is prep work for breaking out the TX path into a separate
set of source files.
2011-01-29 05:08:21 +00:00
adrian
375973917a Keep this in sync with the ar5212 power rate table size.
This doesn't yet know about the 802.11n radios or rates.
2011-01-29 04:34:30 +00:00
gibbs
18ab342cb3 Fix bug in the netfront driver that caused excessive packet drops during
receive processing.

Remove unnecessary restrictions on the mbuf chain length built during an
LRO receive.  This restriction was copied from the Linux netfront driver
where the LRO implementation cannot handle more than 18 discontinuities.
The FreeBSD implementation has no such restriction.

MFC after: 1 week
2011-01-29 02:36:45 +00:00
andrew
f689fa27ba Use bus space functions rather than inw/outw
to help a future port of the driver to ARM.

Approved by:	imp (mentor)
2011-01-29 00:53:58 +00:00
andrew
0b5604dcfb Move the load address of the kernel to the start of KVA as the
s3c24x0 copy of initarm expects the kernel to be loaded there.

Approved by:	imp (mentor)
2011-01-29 00:46:11 +00:00
kan
a04fb11238 Eliminate the use of symlook_needed function in favor of DAGS.
Place elements on DAG lists in breadth-first order. This allows us to
walk pre-built list in all cases where breadth-first dependency chain
enumeration is required.

Fix dlsym on special handle obtained by dlopen(NULL, ...) to do what
comment claims it does. Take advantage of recently added symlook_global
function to iterate over main objects and global DAGs lists properly in
search of a symbol. Since rtld itself provides part of the global
namespace, search rtld_obj too.

Remove recursion from init_dag and symlook_needed functions. Use
symlook_needed for ELF filtee processing only and change lookup order
used in the function to match the order used by Solaris runtime linker
under same circumstances. While there, fix weak symbol handling in the
loop so that we return the first weak symbol definition if no strong one
was found, instead of the last one.

Reviewed by: kib
MFC after:   1 month
2011-01-28 23:44:57 +00:00
marcel
f21f492510 Don't use the MAC address in the device tree if it's all zeroes
(i.e. 00-00-00-00-00-00). Use the currently programmed address
instead.

While here, simplify the function.
2011-01-28 23:40:13 +00:00
pjd
621f7543a9 Drop privileges in worker processes.
Accepting connections and handshaking in secondary is still done before
dropping privileges. It should be implemented by only accepting connections in
privileged main process and passing connection descriptors to the worker, but
is not implemented yet.

MFC after:	1 week
2011-01-28 22:35:46 +00:00
pjd
1d4238ea6d Implement function that drops privileges by:
- chrooting to /var/empty (user hast home directory),
- setting groups to 'hast' (user hast primary group),
- setting real group id, effective group id and saved group id to 'hast',
- setting real user id, effective user id and saved user id to 'hast'.
At the end verify that those operations where successfull.

MFC after:	1 week
2011-01-28 22:33:47 +00:00
pjd
b285997797 Change hast user home directory to /var/empty.
MFC after:	1 week
2011-01-28 22:29:38 +00:00
pjd
ac947f4d40 Add 'hast' user and 'hast' group that will be used by hastd (and maybe hastctl)
to drop privileges.

MFC after:	1 week
2011-01-28 22:28:12 +00:00
pjd
1c97582ecb Use newly added descriptors_assert() function to ensure only expected
descriptors are open.

MFC after:	1 week
2011-01-28 21:57:42 +00:00
pjd
ece9173999 Add function to assert that the only descriptors we have open are the ones
we expect to be open. Also assert that they point at expected type.

Because openlog(3) API is unable to tell us descriptor number it is using, we
have to close syslog socket, remember assert message in local buffer and if we
fail on assertion, reopen syslog socket and log the message.

MFC after:	1 week
2011-01-28 21:56:47 +00:00
pjd
16ad1c7c69 Close all unneeded descriptors after fork(2).
MFC after:	1 week
2011-01-28 21:52:37 +00:00
pjd
1c569578be Add comments to places where we treat errors as ciritical, but it is possible
to handle them more gracefully.

MFC after:	1 week
2011-01-28 21:51:40 +00:00
pjd
bc13ed0bfa Add function to close all unneeded descriptors after fork(2).
MFC after:	1 week
2011-01-28 21:48:15 +00:00
pjd
8de8b315a5 Initialize all global variables on pjdlog_init().
MFC after:	1 week
2011-01-28 21:36:01 +00:00
rrs
f218f28d16 Keep track of the real last RTT on each net.
This will be used for Data Center congestion
control, we won't want to engage it in the
ECN code unless we KNOW that the RTT is less
than 500us.

MFC after:	1 week
2011-01-28 21:05:21 +00:00
yongari
747546166f Fix logic error. Due to the bug, it incorrectly checked TXQ status
which in turn can leave TXQ active.

Submitted by:	Brad ( brad <> comstyle dot com )
MFC after:	3 days
2011-01-28 21:03:32 +00:00