src/sys/dev/msk, branch release/10.1.0

MFC r263957:

2014-04-14T04:51:59Z

Increase the number of TX DMA segments from 32 to 35. It turned out 32 is not enough to support a full sized TSO packet. While I'm here fix a long standing bug introduced in r169632 in bce(4) where it didn't include L2 header length of TSO packet in the maximum DMA segment size calculation.

MFC r261577:

2014-02-26T06:25:36Z

Revert r234666. Clearing TWSI IRQ seems to cause watchdog timeout on old Yukon II controllers.

MFC r258779,r258780,r258787,r258822:

2014-02-04T03:36:42Z

Fix undefined behavior: (1 << 31) is not defined as 1 is an int and this shifts into the sign bit. Instead use (1U << 31) which gets the expected result. Similar to the (1 << 31) case it is not defined to do (2 << 30). This fix is not ideal as it assumes a 32 bit int, but does fix the issue for most cases. A similar change was made in OpenBSD.

MFC r257490:

2013-11-05T06:48:12Z

Perform media change after setting IFF_DRV_RUNNING flag. Without it, driver would ignore the first link state update if controller already established a link. Approved by: re (glebius)

- Merge from r249476: Ensure that PCI bus BUS_GET_DMA_TAG() method sees

2013-05-30T12:16:55Z

the actual PCI device which makes the request for DMA tag, instead of some descendant of the PCI device, by creating a pass-through trampoline. - Sprinkle const on tables. - Use NULL instead of 0 for pointers. - Take advantage of nitems(). MFC after: 1 week

- Correct mispellings of the word occurrence

2013-04-17T11:40:10Z

Submitted by: Christoph Mallon (via private mail)

RX checksum offloading on old Yukon controllers seem to cause more

2013-02-27T05:03:35Z

problems. Disable RX checksum offloading on controllers that don't use new descriptor format but give chance to enable it with ifconfig(8).

Mechanically substitute flags from historic mbuf allocator with

2012-12-04T09:32:43Z

malloc(9) flags in sys/dev.

For Yukon II controllers that implement optional temperature sensor

2012-04-25T02:46:13Z

and voltage sensor, TWSI is used to get sensor data. msk(4) does not monitor these sensors and interrupt for TWSI completion is disabled by default. However, due to unknown reason, the TWSI completion interrupt fires and it resulted in interrupt storm. To fix it, acknowledges the TWSI completion interrupt if driver see the event. Given that not all Yukon II controllers show the issue it could be a silicon bug which does not honor interrupt masking. Probably the right way to address the issue is disabling automatic TWSI cycle initiation against these sensors. It would be even better to implement reading voltage/temperature from the NIC but it requires access to National LM80 through TWSI and documentation to do that is not available yet(probably will never happen). Reported by: jhb Tested by: jhb MFC after: 2 weeks

ether_ifattach() sets if_mtu to ETHERMTU, don't bother set it again

2012-01-07T09:41:57Z

Reviewed by: yongari