New callout mechanism with two major improvements over the old
timeout()/untimeout() API:
- Clients supply callout handle storage, thus eliminating problems of
resource allocation.
- Insertion and

New callout mechanism with two major improvements over the old
timeout()/untimeout() API:
- Clients supply callout handle storage, thus eliminating problems of
resource allocation.
- Insertion and removal of callouts is constant time, important as
this facility is used quite a lot in the kernel.

The old timeout()/untimeout() API has been removed from the kernel.

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Bump receive buffer size up to the maximum DMA burst boundary.

Don't dry to diving MIIF_NOISOLATE in the PHY drivers. Instead, pass
flags down from the parent to child vi mii_attach().

Bring some order to the chaos which was the MII code function naming
"conventions".

Add support for selecting a PHY (i.e. built-in transceiver vs. external MII
device) by using media/instance parameters.

Avoid feeding negative values to the `roundup()' macro.
Configure the MII management interface earlier.

Correctly encode the configured number of buffer descriptors.

* Probe the MII device.
* Ask for an interesting set of interrupt conditions.
* Correct various other typos and omissions.

HME ethernet driver.
Note: this is work in progress; needs testing and tweaking. mgr has
promised to do that..