src/sys/dev/qlnx, branch releng/12.2

MFC r360787, r360851, r360870-r360872

2020-08-24T10:42:04Z

r360787: linuxkpi: Add pci_iomap and pci_iounmap Those function are use to map/unmap io region of a pci device. Different resource can be mapped depending on the bar so use a tailq to store them all. Sponsored-by: The FreeBSD Foundation Reviewed by: emaste, hselasky Differential Revision: https://reviews.freebsd.org/D24696 r360851: linuxkpi: Add bitmap_copy and bitmap_andnot bitmap_copy simply copy the bitmaps, no idea why it exists. bitmap_andnot is similar to bitmap_and but uses !src2. Sponsored-by: The FreeBSD Foundation Reviewed by: hselasky Differential Revision: https://reviews.freebsd.org/D24782 r360870: linuxkpi: Add bitmap_alloc and bitmap_free This is a simple call to kmallock_array/kfree, therefore include linux/slab.h as this is where the kmalloc_array/kfree definition is. Sponsored-by: The FreeBSD Foundation Reviewed by: hselsasky Differential Revision: https://reviews.freebsd.org/D24794 r360871: linuxkpi: Really add bitmap_alloc and bitmap_zalloc This was missing in r360870 Sponsored-by: The FreeBSD Foundation r360872: qnlx: Do not redifines types. r360870 added linux/slab.h into liunx/bitmap.h and this include linux/types.h The qlnx driver is redefining some of those types so remove them and add an explicit linux/types.h include. Pointy hat: manu Reported by: Austin Shafer

MFC r352823:

2019-10-04T15:24:16Z

Correct the scope of several global variables.

Remove support for QLNX_RCV_IN_TASKQ - i.e., Rx only in TaskQ.

2018-07-25T02:36:55Z

Added support for LLDP passthru Upgrade ECORE to version 8.33.5.0 Upgrade STORMFW to version 8.33.7.0 Added support for SRIOV MFC after:5 days

ifnet: Replace if_addr_lock rwlock with epoch + mutex

2018-05-18T20:13:34Z

Run on LLNW canaries and tested by pho@ gallatin: Using a 14-core, 28-HTT single socket E5-2697 v3 with a 40GbE MLX5 based ConnectX 4-LX NIC, I see an almost 12% improvement in received packet rate, and a larger improvement in bytes delivered all the way to userspace. When the host receiving 64 streams of netperf -H $DUT -t UDP_STREAM -- -m 1, I see, using nstat -I mce0 1 before the patch: InMpps OMpps InGbs OGbs err TCP Est %CPU syscalls csw irq GBfree 4.98 0.00 4.42 0.00 4235592 33 83.80 4720653 2149771 1235 247.32 4.73 0.00 4.20 0.00 4025260 33 82.99 4724900 2139833 1204 247.32 4.72 0.00 4.20 0.00 4035252 33 82.14 4719162 2132023 1264 247.32 4.71 0.00 4.21 0.00 4073206 33 83.68 4744973 2123317 1347 247.32 4.72 0.00 4.21 0.00 4061118 33 80.82 4713615 2188091 1490 247.32 4.72 0.00 4.21 0.00 4051675 33 85.29 4727399 2109011 1205 247.32 4.73 0.00 4.21 0.00 4039056 33 84.65 4724735 2102603 1053 247.32 After the patch InMpps OMpps InGbs OGbs err TCP Est %CPU syscalls csw irq GBfree 5.43 0.00 4.20 0.00 3313143 33 84.96 5434214 1900162 2656 245.51 5.43 0.00 4.20 0.00 3308527 33 85.24 5439695 1809382 2521 245.51 5.42 0.00 4.19 0.00 3316778 33 87.54 5416028 1805835 2256 245.51 5.42 0.00 4.19 0.00 3317673 33 90.44 5426044 1763056 2332 245.51 5.42 0.00 4.19 0.00 3314839 33 88.11 5435732 1792218 2499 245.52 5.44 0.00 4.19 0.00 3293228 33 91.84 5426301 1668597 2121 245.52 Similarly, netperf reports 230Mb/s before the patch, and 270Mb/s after the patch Reviewed by: gallatin Sponsored by: Limelight Networks Differential Revision: https://reviews.freebsd.org/D15366

Use an accessor function to access ifr_data.

2018-03-30T18:50:13Z

This fixes 32-bit compat (no ioctl command defintions are required as struct ifreq is the same size). This is believed to be sufficent to fully support ifconfig on 32-bit systems. Reviewed by: kib Obtained from: CheriBSD MFC after: 1 week Relnotes: yes Sponsored by: DARPA, AFRL Differential Revision: https://reviews.freebsd.org/D14900

ql*_def.h: fix QL_ALIGN parenthesization

2017-10-18T19:28:28Z

QL_ALIGN is a set of copies of roundup2, but it was missing an outer set of parentheses, which began to matter with r324538. Now, fully copy the parenthesization of roundup2. Reviewed by: davidcs Differential Revision: https://reviews.freebsd.org/D12673

Fix qlnx_tso_check() so that every window of

2017-08-24T19:09:42Z

(ETH_TX_LSO_WINDOW_BDS_NUM - nbds_in_hdr) has atleast ETH_TX_LSO_WINDOW_MIN_LEN bytes MFC after:5 days

Performance enhancements to reduce CPU utililization for large number of

2017-08-11T17:43:25Z

TCP connections (order of tens of thousands), with predominantly Transmits. Choice to perform receive operations either in IThread or Taskqueue Thread. Submitted by:Vaishali.Kulkarni@cavium.com MFC after:5 days

Provide compile to choose receive processing in either Ithread or Taskqueue Thread.

2017-08-09T22:18:49Z

qlnx: gcc build errors

2017-07-18T06:15:05Z

Propagate warning flags from kern.opts.mk and then fix minor -Werror issues when building with gcc from -Wredundant-decls, -Wnested-externs, -Wuninitialized. Reviewed by: davidcs Approved by: markj (mentor) Sponsored by: Dell EMC Isilon Differential Revision: https://reviews.freebsd.org/D11413