pxe: force polling on if we receive no interrupts
commit6d8a787f6795a40cd4b285ee5fda78306d51b55d
authorH. Peter Anvin <hpa@zytor.com>
Wed, 30 May 2012 04:02:09 +0000 (29 21:02 -0700)
committerH. Peter Anvin <hpa@zytor.com>
Wed, 30 May 2012 04:02:09 +0000 (29 21:02 -0700)
tree28c043613cd476a67fda92e2de722e3b191edfa1
parent7699e996c613e51049e0bad6ade32215ac263289
pxe: force polling on if we receive no interrupts

Some PXE stacks will claim to support interrupts and don't.  If 3
seconds after the first packet transmission we still have not received
any interrupt at all, activate the polling thread.

Signed-off-by: H. Peter Anvin <hpa@zytor.com>
core/lwip/src/netif/undiif.c
core/pxeisr.inc