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Author SHA1 Message Date
Hans Petter Selasky
986e3bed8b Implement the ip_eth_mc_map() function in the LinuxKPI. 
MFC after:	1 week
Sponsored by:	Mellanox Technologies
 2018-06-12 08:43:49 +00:00
Hans Petter Selasky
35555d474b Implement the kstrtobool() and kstrtobool_from_user() functions 
in the LinuxKPI.

Submitted by:	Johannes Lundberg <johalun0@gmail.com>
MFC after:	1 week
Sponsored by:	Mellanox Technologies
Sponsored by:	Limelight Networks
 2018-06-11 16:26:33 +00:00
Hans Petter Selasky
93ed9ab20b Implement the user_access_begin(), user_access_end(), usafe_get_user() and 
unsafe_put_user() function macros in the LinuxKPI.

Submitted by:	Johannes Lundberg <johalun0@gmail.com>
MFC after:	1 week
Sponsored by:	Mellanox Technologies
Sponsored by:	Limelight Networks
 2018-06-11 15:42:29 +00:00
Hans Petter Selasky
71ee95ddf7 Define ARCH_KMALLOC_MINALIGN in the LinuxKPI. 
Submitted by:	Johannes Lundberg <johalun0@gmail.com>
MFC after:	1 week
Sponsored by:	Mellanox Technologies
Sponsored by:	Limelight Networks
 2018-06-07 11:44:11 +00:00
Hans Petter Selasky
d150e15285 Wrap timespec64 into timespec in the LinuxKPI. 
Submitted by:	Johannes Lundberg <johalun0@gmail.com>
MFC after:	1 week
Sponsored by:	Mellanox Technologies
Sponsored by:	Limelight Networks
 2018-06-07 11:41:42 +00:00
Hans Petter Selasky
a041e75a34 Move the EXPORT_SYMBOL_XXX() function macros into own header file. 
Submitted by:	Johannes Lundberg <johalun0@gmail.com>
MFC after:	1 week
Sponsored by:	Mellanox Technologies
Sponsored by:	Limelight Networks
 2018-06-07 11:34:59 +00:00
Hans Petter Selasky
422d8af4df Implement the dev_pm_set_driver_flags() function macro in the LinuxKPI. 
Submitted by:	Johannes Lundberg <johalun0@gmail.com>
MFC after:	1 week
Sponsored by:	Mellanox Technologies
Sponsored by:	Limelight Networks
 2018-06-07 11:29:07 +00:00
Hans Petter Selasky
40ddfc7604 Make some list functions RCU safe in the LinuxKPI. 
While at it rename hlist_add_after() into hlist_add_behind().

Submitted by:	Johannes Lundberg <johalun0@gmail.com>
MFC after:	1 week
Sponsored by:	Mellanox Technologies
Sponsored by:	Limelight Networks
 2018-06-06 15:49:01 +00:00
Hans Petter Selasky
17e2a84e9a Rewrite code using atomic_fcmpset_int() in the LinuxKPI. 
Suggested by:	mjg@
MFC after:	1 week
Sponsored by:	Mellanox Technologies
Sponsored by:	Limelight Networks
 2018-06-06 15:31:47 +00:00
Hans Petter Selasky
e6e028d01f Implement the __add_wait_queue_entry_tail() function in the LinuxKPI. 
Submitted by:	Johannes Lundberg <johalun0@gmail.com>
MFC after:	1 week
Sponsored by:	Mellanox Technologies
Sponsored by:	Limelight Networks
 2018-06-06 15:19:30 +00:00
Hans Petter Selasky
7e95e98db8 Implement the might_sleep_if() 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 15:10:11 +00:00
Hans Petter Selasky
ab98f1e8d8 Rename two structure field members while keeping backwards compatibility in 
the LinuxKPI. Add a comment saying in which Linux version this change was made.

Submitted by:	Johannes Lundberg <johalun0@gmail.com>
MFC after:	1 week
Sponsored by:	Mellanox Technologies
Sponsored by:	Limelight Networks
 2018-06-06 15:06:21 +00:00
Hans Petter Selasky
1b092623b2 Implement the init_wait_entry() 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 14:59:23 +00:00
Hans Petter Selasky
23dcf4359e Implement the atomic_dec_if_positive() function in the LinuxKPI. 
Submitted by:	Johannes Lundberg <johalun0@gmail.com>
MFC after:	1 week
Sponsored by:	Mellanox Technologies
Sponsored by:	Limelight Networks
 2018-06-06 13:59:51 +00:00
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
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
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
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
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