tree bfa5de17774786f4b0ef976fd645b2adc74bd4b7
parent 69c29fa7d142d65b13e366ae51e50944484b65ab
author Stefan Richter <stefanr@s5r6.in-berlin.de> 1178378751 +0200
committer Stefan Richter <stefanr@s5r6.in-berlin.de> 1180300859 +0200

ieee1394: eth1394: handle tlabel exhaustion

When eth1394 was unable to acquire a transaction label, it just dropped
outgoing packets without attempt to resend them later.

The transmit queue is now halted if no tlabel is available to
->hard_start_xmit().  A workqueue job is then scheduled to catch the
moment when ieee1394 recycled the next lot of tlabels.

Fixes http://bugzilla.kernel.org/show_bug.cgi?id=8402

Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>