linux/drivers/char/pcmcia
David Sterba eb4e545d4a ipwireless: Fix blocked sending
Packet sending is driven by two flags, tx_ready and tx_queued.
It was possible, that there were queued data for sending and
hardware was flagged as blocked but in fact it was not.

The tx_queued was indicator but should be really a counter else
first fragmented packet resets tx_queued flag, but there may be
pending packets which do not get sent.

New semantics:
tx_ready - set, if hw is ready to send packet, no packet is being
           transferred right now
           set the flag right at the place where data are copied
           into hw memory and not earlier without checking if it
           was succesful
tx_queued - count of enqueued packets, including fragments

Tested-by: Michal Rokos <michal.rokos@gmail.com>
Signed-off-by: David Sterba <dsterba@suse.cz>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-06-06 11:31:02 -07:00
..
ipwireless ipwireless: Fix blocked sending 2008-06-06 11:31:02 -07:00
cm4000_cs.c drivers/char: replace remaining __FUNCTION__ occurrences 2008-04-30 08:29:54 -07:00
cm4040_cs.c drivers/char: replace remaining __FUNCTION__ occurrences 2008-04-30 08:29:54 -07:00
cm4040_cs.h [PATCH] New Omnikey Cardman 4040 driver 2005-11-13 18:14:10 -08:00
Kconfig pcmcia: ipwireless depends on NETDEVICES 2008-02-13 16:21:20 -08:00
Makefile ipwireless: driver for PC Card 3G/UMTS modem 2008-02-07 17:19:49 -08:00
synclink_cs.c pcmcia: serial to int put_char method 2008-04-30 08:29:46 -07:00