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Author SHA1 Message Date
adrian
69cc0330a0 Add separate lock for TX queues. 
PR:		kern/197143
Submitted by:	Andriy Voskoboinyk <s3erios@gmail.com>
 2015-03-15 20:40:11 +00:00
adrian
6bcd1d42f7 Wrap node addition in STA mode into wpi_add_sta_node(). 
PR:		kern/197143
Submitted by:	Andriy Voskoboinyk <s3erios@gmail.com>
 2015-03-15 20:35:25 +00:00
adrian
f27edaaed8 Replace kernel unit allocator with local set of functions. 
PR:		kern/197143
Submitted by:	Andriy Voskoboinyk <s3erios@gmail.com>
 2015-03-15 20:34:26 +00:00
adrian
6f4fb98d06 Move key processing in wpi_tx_data. 
(This is in preparation for further work to support hardware encryption.)

PR:		kern/197143
Submitted by:	Andriy Voskoboinyk <s3erios@gmail.com>
 2015-03-15 20:33:13 +00:00
adrian
a6f300b09b Remove some un-needed variables. 
PR:		kern/197143
Submitted by:	Andriy Voskoboinyk <s3erios@gmail.com>
 2015-03-15 20:32:12 +00:00
adrian
f90d00ba26 Reformatting - break lines ~ 80 characters. 
PR:		kern/197143
Submitted by:	Andriy Voskoboinyk <s3erios@gmail.com>
 2015-03-15 20:31:21 +00:00
adrian
5776b739c4 wpi_intr(): remove duplicate code 
PR:		kern/197143
Submitted by:	Andriy Voskoboinyk <s3erios@gmail.com>
 2015-03-15 20:30:03 +00:00
adrian
98740f52b0 Replace few numbers with named constants. 
PR:		kern/197143
Submitted by:	Andriy Voskoboinyk <s3erios@gmail.com>
 2015-03-15 20:29:22 +00:00
adrian
c3b43bc59e Wrap cast to (struct wpi_node *) into WPI_NODE macros 
PR:		kern/197143
Submitted by:	Andriy Voskoboinyk <s3erios@gmail.com>
 2015-03-15 20:23:58 +00:00
adrian
f61427d227 msleep() -> mtx_sleep() 
PR:		kern/197143
Submitted by:	Andriy Voskoboinyk <s3erios@gmail.com>
 2015-03-15 20:22:16 +00:00
adrian
70ea3093d5 Fix warning: Value stored to 'supportsa' is never read. 
PR:		kern/197143
Submitted by:	Andriy Voskoboinyk <s3erios@gmail.com>
 2015-03-15 20:21:30 +00:00
adrian
b0ad27987b Fix error handling in wpi_scan(). 
PR:		kern/197143
Submitted by:	Andriy Voskoboinyk <s3erios@gmail.com>
 2015-03-15 20:20:43 +00:00
adrian
ce9daf5c4a Fix indentation - non-functional change. 
PR:		kern/197143
Submitted by:	Andriy Voskoboinyk <s3erios@gmail.com>
 2015-03-15 20:19:54 +00:00
adrian
a2810d8eee Check some variables only on active TX rings 
PR:		kern/197143
Submitted by:	Andriy Voskoboinyk <s3erios@gmail.com>
 2015-03-15 20:19:01 +00:00
adrian
cd2833f341 Use correct pointer for wpi_softc 
PR:		kern/197143
Submitted by:	Andriy Voskoboinyk <s3erios@gmail.com>
 2015-03-15 20:18:09 +00:00
adrian
a397da3153 Fix panics in wpi_tx_done() when powersave is enabled 
PR:		kern/197143
Submitted by:	Andriy Voskoboinyk <s3erios@gmail.com>
 2015-03-15 20:17:25 +00:00
adrian
9d1fd4985e Fix races between wpi_rx_done() and wpi_stop() 
PR:		kern/197143
Submitted by:	Andriy Voskoboinyk <s3erios@gmail.com>
 2015-03-15 20:15:10 +00:00
adrian
8fa4dd1d50 Divide ackfailcnt by 2 (firmware decreases rate after two unsuccessful retries) 
PR:		kern/197143
Submitted by:	Andriy Voskoboinyk <s3erios@gmail.com>
 2015-03-15 20:13:58 +00:00
adrian
d137511d57 Run callout_reset() with mutex held. 
PR:		kern/197143
Submitted by:	Andriy Voskoboinyk <s3erios@gmail.com>
 2015-03-15 20:13:07 +00:00
adrian
86d996754a Add missed ieee80211_draintask() 
PR:		kern/197143
Submitted by:	Andriy Voskoboinyk <s3erios@gmail.com>
 2015-03-15 20:12:16 +00:00
adrian
82a910501a Fix a typo (IEEE80211_S_SCAN -> IEEE80211_F_SCAN) 
PR:		kern/197143
Submitted by:	Andriy Voskoboinyk <s3erios@gmail.com>
 2015-03-15 20:10:55 +00:00
adrian
24a7a92221 Fix mbuf mapping errors in wpi_cmd2() + add check for nsegs 
PR:		kern/197143
Submitted by:	Andriy Voskoboinyk <s3erios@gmail.com>
 2015-03-15 20:09:47 +00:00
andrew
36adcb3650 Move the x86 specific files to be built in the amd64 loader.efi. This will 
help with importing the arm and arm64 versions of loader.efi.
 2015-03-15 19:00:35 +00:00
mav
0a32d97912 According to Linux and QEMU, s/n equal to buffer is not zero-terminated. 
This makes same s/n reported for both virtio and AHCI drivers.

MFC after:	2 weeks
 2015-03-15 17:45:16 +00:00
ian
209179a5f9 Remove redundant sysctl_handle_string() calls, the sbuf auto-drain takes 
care of that.

Reviewed by:	erj@
 2015-03-15 17:39:38 +00:00
mav
72856e7d90 Close potential race on blockif_close(). 
Reported by:	vangyzen
MFC after:	2 weeks
 2015-03-15 16:18:03 +00:00
mav
2088070eaf Fix networking problem after r280026. 
I've missed that network driver sometimes returns taken request back to
available queue without processing.  Add new helper function for that case.

Reported by:	flo
MFC after:	2 weeks
 2015-03-15 16:09:39 +00:00
mav
cd363583ce Give AHCI disk serial based on backing file path same as for virtio block. 
It is still not good that they may intersect on different hosts, but that
is better then intersecting on the same host.

MFC after:	2 weeks
 2015-03-15 15:29:03 +00:00
rwatson
9f48720b49 Now that DTrace stack traces handle exception frames better, skip fewer 
stack frames for FBT 'entry' probes on ARM.

MFC after:	3 days
Sponsored by:	DARPA, AFRL
 2015-03-15 15:19:02 +00:00
rwatson
26e3e9bb99 On ARM, unlike some other architectures, saved $pc values from in-kernel 
traps do appear in the regular call stack, rather than only in a special
trap frame, so we don't need to inject the trap-frame $pc into a returned
stack trace in DTrace.

MFC after:	3 days
Sponsored by:	DARPA, AFRL
 2015-03-15 15:17:34 +00:00
mav
15ba37b7de Rewrite virtio block device driver to work asynchronously and use the block 
I/O interface.

Asynchronous operation, based on r280026 change, allows to not block virtual
CPU during I/O processing, that on slow/busy storage can take seconds.
Use of recently improved block I/O interface allows to process multiple
requests same time, that improves random I/O performance on wide storages.

Benchmarks of virtual disk, backed by ZVOL on RAID10 pool of 4 HDDs, show
~3.5 times random read performance improvements, while no degradation on
linear I/O.  Guest CPU usage during test dropped from 100% to almost zero.

MFC after:	2 weeks
 2015-03-15 14:57:11 +00:00
rwatson
ec1dafc898 Replace the completely arbitrary '3' with '9' for the number of frames to 
skip using the DTrace 'profile' provider on ARM.  This causes stack traces
to skip various driver-and callout-related things as they do on x86, where
the likewise arbitrary values are '6' (32-bit) and '10' (64-bit) for
similar sorts of reasons.

MFC after:	3 days
Sponsored by:	DARPA, AFRL
 2015-03-15 14:12:40 +00:00
dim
2fdf486463 Upgrade our copy of clang, llvm and lldb to 3.6.0 release. 
Please note that from 3.5.0 onwards, clang/llvm/lldb require C++11
support to build; see UPDATING for more information.

Release notes for llvm and clang can be found here:
<http://llvm.org/releases/3.6.0/docs/ReleaseNotes.html>
<http://llvm.org/releases/3.6.0/tools/clang/docs/ReleaseNotes.html>

Thanks to Ed Maste for the lldb part of this upgrade.

Exp-run:	antoine
 2015-03-15 13:31:13 +00:00
dim
ce129cdb73 Merge ^/head r279995 through r280029. 2015-03-15 11:58:52 +00:00
dim
494f9445c2 Bump __FreeBSD_version again, and set real dates in UPDATING and 
ObsoleteFiles.inc, in preparation for the merge back to head.
 2015-03-15 11:56:43 +00:00
mav
42641f98a6 Modify virtqueue helpers added in r253440 to allow queuing. 
Original virtqueue design allows queued and out-of-order processing, but
helpers added in r253440 suppose only direct blocking in-order one.
It could be fine for network, etc., but it is a huge limitation for storage
devices.
 2015-03-15 11:37:07 +00:00
bapt
ff0e58b092 Import mdocml 1.13.3 2015-03-15 11:35:39 +00:00
mav
476187cac8 Block delete capability for read-only devices. 
Submitted by:	neel
MFC after:	2 weeks
 2015-03-15 08:09:56 +00:00
ian
e497716fbd Add a nulterm byte to the returned sysctl string. 
PR:		195668
 2015-03-15 00:39:18 +00:00
ian
cb2eadc65f Include the nulterm byte in the sysctl string. 
PR:		195668
 2015-03-15 00:36:08 +00:00
ian
74440cf4ee Go back to using sbuf_new() with a preallocated large buffer, to avoid 
triggering an sbuf auto-drain copyout while holding a lock.

Pointed out by:	   jhb
Pointy hat: 	   ian
 2015-03-14 23:57:33 +00:00
ian
99b568b245 Use sbuf_printf() for sysctl strings instead of static buffers and snprintf. 2015-03-14 23:30:03 +00:00
ian
6ded6cb790 Use sbuf_printf() for sysctl strings instead of stack buffers and snprintf(). 2015-03-14 23:16:12 +00:00
ian
95244000f1 Use sysctl_handle_string() and the sbuf printf routines instead of large 
stack-allocated buffers and snprintf().

PR:		195668
 2015-03-14 22:32:15 +00:00
ian
abf88399a0 Use SYSCTL_OUT_STR() to return strings. 
PR:		195668
 2015-03-14 21:41:00 +00:00
ian
bcebe51990 Use SYSCTL_OUT_STR() to return strings. 
PR:		195668
 2015-03-14 21:40:51 +00:00
ian
ace0f5788d Use SYSCTL_OUT_STR() to return strings. 
PR:		195668
 2015-03-14 21:40:33 +00:00
ian
7cb000b2d0 Use SYSCTL_OUT_STR() to return strings. 
PR:		195668
 2015-03-14 21:40:24 +00:00
ian
f4042c6120 Use SYSCTL_OUT_STR() to return strings. 
PR:		195668
 2015-03-14 21:40:01 +00:00
ian
9ee17054b2 Define a convenience macro, SYSCTL_OUT_STR() for handling strings the 
standard way (including the nulterm byte in the data returned to userland).

This augments the existing sysctl_handle_string() in that this can be used
with const strings without ugly inappropriate casting.
 2015-03-14 21:38:51 +00:00