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393 Commits

Author SHA1 Message Date
Hans Petter Selasky
9e067b2256 Implement the ktime_compare() and ktime_after() functions in the LinuxKPI. 
Submitted by:	Johannes Lundberg <johalun0@gmail.com>
MFC after:	1 week
Sponsored by:	Mellanox Technologies
Sponsored by:	Limelight Networks
 2018-06-06 13:37:31 +00:00
Hans Petter Selasky
a16387c1d4 Implement the rdmsrl_safe() function macro in the LinuxKPI. 
Submitted by:	Johannes Lundberg <johalun0@gmail.com>
MFC after:	1 week
Sponsored by:	Mellanox Technologies
Sponsored by:	Limelight Networks
 2018-06-06 13:29:52 +00:00
Hans Petter Selasky
7a13eeba18 Declare and set the global "system_highpri_wq" workqueue structure pointer 
in the LinuxKPI.

Submitted by:	Johannes Lundberg <johalun0@gmail.com>
MFC after:	1 week
Sponsored by:	Mellanox Technologies
Sponsored by:	Limelight Networks
 2018-06-05 15:49:35 +00:00
Hans Petter Selasky
c6d920309c Implement the INIT_DELAYED_WORK_ONSTACK() function macro in the LinuxKPI. 
Submitted by:	Johannes Lundberg <johalun0@gmail.com>
MFC after:	1 week
Sponsored by:	Mellanox Technologies
Sponsored by:	Limelight Networks
 2018-06-05 15:46:16 +00:00
Hans Petter Selasky
7f346854b8 Define the __kernel_size_t type in the LinuxKPI. 
Submitted by:	Johannes Lundberg <johalun0@gmail.com>
MFC after:	1 week
Sponsored by:	Mellanox Technologies
Sponsored by:	Limelight Networks
 2018-06-05 15:42:35 +00:00
Hans Petter Selasky
5a1d03bb7c Implement the task_pid_vnr() function macro in the LinuxKPI. 
Submitted by:	Johannes Lundberg <johalun0@gmail.com>
MFC after:	1 week
Sponsored by:	Mellanox Technologies
Sponsored by:	Limelight Networks
 2018-06-05 15:40:09 +00:00
Hans Petter Selasky
747d9a8165 Add "access" function pointer to the "vm_operations_struct" structure 
in the LinuxKPI. While at it document when to use the "virtual_address" or
the "address" field in the "vm_fault" structure.

Submitted by:	Johannes Lundberg <johalun0@gmail.com>
MFC after:	1 week
Sponsored by:	Mellanox Technologies
Sponsored by:	Limelight Networks
 2018-06-05 15:37:28 +00:00
Hans Petter Selasky
0d2dce0b78 Implement mul_u32_u32() function in the LinuxKPI. 
Submitted by:	Johannes Lundberg <johalun0@gmail.com>
MFC after:	1 week
Sponsored by:	Mellanox Technologies
Sponsored by:	Limelight Networks
 2018-06-05 15:30:36 +00:00
Hans Petter Selasky
f446b7cab4 Implement timer_setup() and from_timer() function macros in the LinuxKPI. 
Submitted by:	Johannes Lundberg <johalun0@gmail.com>
MFC after:	1 week
Sponsored by:	Mellanox Technologies
Sponsored by:	Limelight Networks
 2018-06-05 15:20:20 +00:00
Hans Petter Selasky
57a865f808 Implement the __sg_alloc_table_from_pages() function based on the existing 
sg_alloc_table_from_pages() function in the LinuxKPI.

This basically allow segments to have a limit, max_segment.

Submitted by:	Johannes Lundberg <johalun0@gmail.com>
MFC after:	1 week
Sponsored by:	Mellanox Technologies
Sponsored by:	Limelight Networks
 2018-06-01 12:09:07 +00:00
Hans Petter Selasky
6fad8d171a Implement radix_tree_iter_delete() in the LinuxKPI. 
Submitted by:	Johannes Lundberg <johalun0@gmail.com>
MFC after:	1 week
Sponsored by:	Mellanox Technologies
Sponsored by:	Limelight Networks
 2018-06-01 11:42:09 +00:00
Hans Petter Selasky
0a85496223 Improve high resolution timer support in the LinuxKPI. 
Submitted by:	Johannes Lundberg <johalun0@gmail.com>
MFC after:	1 week
Sponsored by:	Mellanox Technologies
Sponsored by:	Limelight Networks
 2018-06-01 11:33:14 +00:00
Hans Petter Selasky
f03ae7e802 Add more GFP macro definitions in the LinuxKPI. 
Submitted by:	Johannes Lundberg <johalun0@gmail.com>
MFC after:	1 week
Sponsored by:	Mellanox Technologies
Sponsored by:	Limelight Networks
 2018-06-01 11:14:59 +00:00
Hans Petter Selasky
13a5c70b91 Implement support for the PCI_BUS_NUM() function macro in the LinuxKPI. 
Submitted by:	Johannes Lundberg <johalun0@gmail.com>
MFC after:	1 week
Sponsored by:	Mellanox Technologies
 2018-05-31 13:17:34 +00:00
Hans Petter Selasky
f1aa567bfe Implement support for the kvmalloc_array() function in the LinuxKPI. 
Submitted by:	Johannes Lundberg <johalun0@gmail.com>
MFC after:	1 week
Sponsored by:	Mellanox Technologies
 2018-05-31 13:13:08 +00:00
Hans Petter Selasky
f6d4552417 Correct macroname in the LinuxKPI. 
Submitted by:	Johannes Lundberg <johalun0@gmail.com>
MFC after:	1 week
Sponsored by:	Mellanox Technologies
 2018-05-31 12:55:38 +00:00
Hans Petter Selasky
cbea4f294f Define __initconst in the LinuxKPI. 
Submitted by:	Johannes Lundberg <johalun0@gmail.com>
MFC after:	1 week
Sponsored by:	Mellanox Technologies
 2018-05-31 12:50:42 +00:00
Hans Petter Selasky
7ce7605ece Implement bitmap_complement() in the LinuxKPI. 
Submitted by:	Johannes Lundberg <johalun0@gmail.com>
MFC after:	1 week
Sponsored by:	Mellanox Technologies
 2018-05-31 12:48:24 +00:00
Hans Petter Selasky
69d6653ba4 Implement idr_is_empty() in the LinuxKPI and make idr_remove() API compatible 
with upstream Linux by returning the pointer to the removed element.

Submitted by:	Johannes Lundberg <johalun0@gmail.com>
MFC after:	1 week
Sponsored by:	Mellanox Technologies
 2018-05-31 12:35:21 +00:00
Hans Petter Selasky
666cda9e0c The schedule_timeout_killable() function should listen for signals 
in the LinuxKPI.

Found by:	Johannes Lundberg <johalun0@gmail.com>
MFC after:	1 week
Sponsored by:	Mellanox Technologies
 2018-05-28 11:26:40 +00:00
Hans Petter Selasky
bd40dea7e2 Implement wait_event_killable() in the LinuxKPI. 
Requested by:	Johannes Lundberg <johalun0@gmail.com>
MFC after:	1 week
Sponsored by:	Mellanox Technologies
 2018-05-28 10:54:24 +00:00
Hans Petter Selasky
2a3ec12831 Allow TASK_PARKED bit being set when going to sleep in the LinuxKPI. 
Found by:	Johannes Lundberg <johalun0@gmail.com>
MFC after:	1 week
Sponsored by:	Mellanox Technologies
 2018-05-28 10:51:39 +00:00
Matt Macy
4f6c66cc9c UDP: further performance improvements on tx 
Cumulative throughput while running 64
  netperf -H $DUT -t UDP_STREAM -- -m 1
on a 2x8x2 SKL went from 1.1Mpps to 2.5Mpps

Single stream throughput increases from 910kpps to 1.18Mpps

Baseline:
https://people.freebsd.org/~mmacy/2018.05.11/udpsender2.svg

- Protect read access to global ifnet list with epoch
https://people.freebsd.org/~mmacy/2018.05.11/udpsender3.svg

- Protect short lived ifaddr references with epoch
https://people.freebsd.org/~mmacy/2018.05.11/udpsender4.svg

- Convert if_afdata read lock path to epoch
https://people.freebsd.org/~mmacy/2018.05.11/udpsender5.svg

A fix for the inpcbhash contention is pending sufficient time
on a canary at LLNW.

Reviewed by:	gallatin
Sponsored by:	Limelight Networks
Differential Revision:	https://reviews.freebsd.org/D15409
 2018-05-23 21:02:14 +00:00
Mark Johnston
e3d5c4ade1 Remove "All rights reserved" from my files. 
See r333391 for the rationale.

MFC after:	1 week
 2018-05-09 20:57:18 +00:00
Matt Macy
cbd92ce62e Eliminate the overhead of gratuitous repeated reinitialization of cap_rights 
- Add macros to allow preinitialization of cap_rights_t.

- Convert most commonly used code paths to use preinitialized cap_rights_t.
  A 3.6% speedup in fstat was measured with this change.

Reported by:	mjg
Reviewed by:	oshogbo
Approved by:	sbruno
MFC after:	1 month
 2018-05-09 18:47:24 +00:00
Hans Petter Selasky
c20feee43b Add myself to copyright in the LinuxKPI RCU support layer. 
Suggested by:	mmacy@
Sponsored by:	Mellanox Technologies
 2018-05-09 08:50:42 +00:00
Hans Petter Selasky
45aca3b1a1 Define USEC_PER_MSEC and USEC_PER_SEC in the LinuxKPI. 
MFC after:	1 week
Sponsored by:	Mellanox Technologies
 2018-04-30 09:31:09 +00:00
Mark Johnston
e4ba1a50af Fix the definitions of get_cpu() and put_cpu(). 
They are supposed to disable preemption.

Reported by:	rstone
MFC after:	5 days
 2018-04-05 17:26:03 +00:00
Mark Johnston
2a1067a9f0 Wrap long lines. 
MFC after:	3 days
 2018-04-03 18:41:27 +00:00
Hans Petter Selasky
4b70609941 Optimise use of Giant in the LinuxKPI. 
- Make sure Giant is locked when calling PCI device methods.
Newbus currently requires this.

- Avoid unlocking Giant right before aquiring the sleepqueue lock.
This can save a task switch.

MFC after:	1 week
Sponsored by:	Mellanox Technologies
 2018-03-30 20:11:12 +00:00
Hans Petter Selasky
fa0d4f31a7 Swap two instances of regular macros with function macros in the LinuxKPI, 
to narrow down the substitution scope.

MFC after:	1 week
Sponsored by:	Mellanox Technologies
 2018-03-28 17:54:34 +00:00
Ed Maste
8363051739 linuxkpi whitespace cleanup 
Reviewed by:	hselasky, markj
MFC after:	1 week
Differential Revision:	https://reviews.freebsd.org/D14807
 2018-03-23 15:50:01 +00:00
Hans Petter Selasky
555deb3c96 The pci_disable_device() function is also expected to clear the PCI 
busmaster. This fixes LinuxKPI compliancy with Linux.

MFC after:	1 week
Sponsored by:	Mellanox Technologies
 2018-03-22 13:30:35 +00:00
Hans Petter Selasky
e1992aa142 Clear old MSIX IRQ numbers in the LinuxKPI. 
When disabling the MSIX IRQ vectors for a PCI device through the
LinuxKPI, make sure any old MSIX IRQ numbers are no longer visible to
the linux_pci_find_irq_dev() function else IRQs can be requested from
the wrong PCI device.

MFC after:	1 week
Sponsored by:	Mellanox Technologies
 2018-03-22 12:26:27 +00:00
Hans Petter Selasky
cbfc3c73ce Fix compliancy of the kstrtoXXX() functions in the LinuxKPI, by skipping 
one newline character at the end, if any.

Found by:	greg@unrelenting.technology
MFC after:	1 week
Sponsored by:	Mellanox Technologies
 2018-03-14 19:51:28 +00:00
Hans Petter Selasky
be15e1332d Implement proper support for complete_all() in the LinuxKPI. 
When complete_all() is called there might be multiple waiters. The
current implementation could only handle one waiter. Make sure the
completion is sticky when complete_all() is called to be compatible
with Linux.

Found by:	Johannes Lundberg <johalun0@gmail.com>
MFC after:	1 week
Sponsored by:	Mellanox Technologies
Sponsored by:	Limelight Networks
 2018-03-09 12:16:55 +00:00
Andrey V. Elsukov
c2a5dc6cd7 Add mapping for several ethernet types used by Linux to FreeBSD 
ethernet types.

Reviewed by:	hselasky
MFC after:	1 week
Differential Revision:	https://reviews.freebsd.org/D14594
 2018-03-06 12:58:00 +00:00
Hans Petter Selasky
e9e4ec118f Properly wrap the BUILD_BUG() function macro in the LinuxKPI. 
MFC after:	1 week
Sponsored by:	Mellanox Technologies
 2018-03-04 19:42:50 +00:00
Hans Petter Selasky
20789a72e0 Stub kernel_param_lock() and kernel_param_unlock() in the LinuxKPI. 
MFC after:	1 week
Submitted by:	Johannes Lundberg <johalun0@gmail.com>
Sponsored by:	Mellanox Technologies
Sponsored by:	Limelight Networks
 2018-03-04 19:10:30 +00:00
Hans Petter Selasky
c3bfe0de4c Implement wait_event_lock_irq() macro function in the LinuxKPI. 
MFC after:	1 week
Requested by:	Johannes Lundberg <johalun0@gmail.com>
Sponsored by:	Mellanox Technologies
 2018-03-04 19:07:10 +00:00
Hans Petter Selasky
ce930365d1 Keep the old SLAB_DESTROY_BY_RCU macro definition around in the LinuxKPI 
to avoid compilation breakage in external kernel modules.

MFC after:	1 week
Sponsored by:	Mellanox Technologies
 2018-03-04 18:53:41 +00:00
Hans Petter Selasky
8f368d485d Implement DEFINE_WAIT_FUNC() function macro and default_wake_function() 
in the LinuxKPI.

MFC after:	1 week
Submitted by:	Johannes Lundberg <johalun0@gmail.com>
Sponsored by:	Mellanox Technologies
Sponsored by:	Limelight Networks
 2018-03-04 18:51:43 +00:00
Hans Petter Selasky
ab7da72090 Implement pr_err_ratelimited() function macro in the LinuxKPI. 
MFC after:	1 week
Submitted by:	Johannes Lundberg <johalun0@gmail.com>
Sponsored by:	Mellanox Technologies
Sponsored by:	Limelight Networks
 2018-03-04 18:27:50 +00:00
Hans Petter Selasky
8961c48323 Implement __MODULE_STRING() function macro in the LinuxKPI. 
MFC after:	1 week
Submitted by:	Johannes Lundberg <johalun0@gmail.com>
Sponsored by:	Mellanox Technologies
Sponsored by:	Limelight Networks
 2018-03-04 18:21:21 +00:00
Hans Petter Selasky
20c8d8270c Implement BUILD_BUG() function macro in the LinuxKPI. 
MFC after:	1 week
Submitted by:	Johannes Lundberg <johalun0@gmail.com>
Sponsored by:	Mellanox Technologies
Sponsored by:	Limelight Networks
 2018-03-04 18:19:44 +00:00
Hans Petter Selasky
6c51dfb060 Implement writel_relaxed() in the LinuxKPI. 
MFC after:	1 week
Submitted by:	Johannes Lundberg <johalun0@gmail.com>
Sponsored by:	Mellanox Technologies
Sponsored by:	Limelight Networks
 2018-03-04 18:17:54 +00:00
Hans Petter Selasky
dc354b1551 Define noinline and __maybe_unused macros in the LinuxKPI. 
MFC after:	1 week
Submitted by:	Johannes Lundberg <johalun0@gmail.com>
Sponsored by:	Mellanox Technologies
Sponsored by:	Limelight Networks
 2018-03-04 18:13:31 +00:00
Hans Petter Selasky
9bce524efa Implement for_each_clear_bit() function macro in the LinuxKPI. 
MFC after:	1 week
Submitted by:	Johannes Lundberg <johalun0@gmail.com>
Sponsored by:	Mellanox Technologies
Sponsored by:	Limelight Networks
 2018-03-04 18:10:18 +00:00
Hans Petter Selasky
5d503e30ad Implement GENMASK_ULL() function macro in the LinuxKPI. 
MFC after:	1 week
Submitted by:	Johannes Lundberg <johalun0@gmail.com>
Sponsored by:	Mellanox Technologies
Sponsored by:	Limelight Networks
 2018-03-04 18:08:21 +00:00
Hans Petter Selasky
782a90d16a Rename the SLAB_DESTROY_BY_RCU flag into SLAB_TYPESAFE_BY_RCU in the LinuxKPI 
to be compatible with Linux.

MFC after:	1 week
Requested by:	Johannes Lundberg <johalun0@gmail.com>
Sponsored by:	Mellanox Technologies
 2018-03-04 18:04:37 +00:00