src-test2/sys/dev/mge, branch release/11.4.0

Revert r330897:

2018-03-29T02:50:57Z

This was intended to be a non-functional change. It wasn't. The commit message was thus wrong. In addition it broke arm, and merged crypto related code. Revert with prejudice. This revert skips files touched in r316370 since that commit was since MFCed. This revert also skips files that require $FreeBSD$ property changes. Thank you to those who helped me get out of this mess including but not limited to gonzo, kevans, rgrimes. Requested by: gjb (re)

Partial merge of the SPDX changes

2018-03-14T03:19:51Z

These changes are incomplete but are making it difficult to determine what other changes can/should be merged. No objections from: pfg

sys/dev: minor spelling fixes.

2016-05-03T03:41:25Z

Most affect comments, very few have user-visible effects.

[mdio] migrate mdiobus out of etherswitch and into a top-level device of its own.

2015-12-26T02:31:39Z

The mdio driver interface is generally useful for devices that require MDIO without the full MII bus interface. This lifts the driver/interface out of etherswitch(4), and adds a mdio(4) man page. Submitted by: Landon Fuller Differential Revision: https://reviews.freebsd.org/D4606

Improve style in mge driver

2015-10-25T22:20:13Z

Minor improvements introduced to ensure code follows FreeBSD style guidelines. Reviewed by: adrian Obtained from: Semihalf Submitted by: Bartosz Szczepanek Differential revision: https://reviews.freebsd.org/D3904

Change improper locking assertion in mge

2015-10-25T22:17:10Z

Assertion used here was invalid. If current thread helds any of locks, we never want to recurse on them. Obtained from: Semihalf Submitted by: Bartosz Szczepanek Differential revision: https://reviews.freebsd.org/D3903

Add etherswitch support to mge

2015-10-25T22:00:56Z

This commit introduces support for etherswitch devices that utilize SMI as a way of accessing its registers. SMI register is located in address space of mge -- access to it was exported through MDIO interface. Attachment functions were enhanced so as to ensure proper initialisation in both cases: 1) PHYs attached directly to mge, 2) PHYs attached to switch device and switch attached to mge. Attachment of etherswitch device depends on dts entry with compatible="mrvl,sw" property. If none is found, typical PHY attachment procedure follows. In case of switch attached, PHYs' status and configuration is accessible via etherswitchcfg, and ifconfig shows always-up, non-configurable mge interfaces. Due to the fact that there may be simultaneous accessess to SMI registers (e.g. from PHY attached to one of mge instances and switch to the other), SMI access interlock was added. It is SX lock, because sleep ability is necessary -- busy-waiting would result in poor performance due to long delays required by hardware. Underlying switch driver is obliged to use sleepable locks as well. Reviewed by: adrian Obtained from: Semihalf Submitted by: Bartosz Szczepanek Differential revision: https://reviews.freebsd.org/D3900

Mechanically convert to if_inc_counter().

2014-09-19T03:51:26Z

Optim and Fix for mge driver:

2014-07-07T08:22:39Z

- add missing rcvif in mbuf - add missing ipacket stat - remove uncessary mbuf copy on output path - fix deadlock of the TX engine in case of error Obtained from: NETASQ MFC after: 2 weeks

Follow r261352 by updating all drivers which are children of simplebus

2014-02-02T19:17:28Z

to check the status property in their probe routines. Simplebus used to only instantiate its children whose status="okay" but that was improper behavior, fixed in r261352. Now that it doesn't check anymore and probes all its children; the children all have to do the check because really only the children know how to properly interpret their status property strings. Right now all existing drivers only understand "okay" versus something- that's-not-okay, so they all use the new ofw_bus_status_okay() helper.