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libertas: rework event subscription

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This patch moves re-works the implementation of event subscription
via debugfs. For this:

* it tells cmd.c and cmdresp.c about CMD_802_11_SUBSCRIBE_EVENT
* removes lots of low-level cmd stuff from debugfs.c
* create unified functions to read/write snr, rssi, bcnmiss and
  failcount
* introduces #define's for subscription event bitmask values
* add a function to search for a specific element in an IE
  (a.k.a. TLV)
* add a function to find out the size of the TLV. This is needed
  because lbs_prepare_and_send_command() has an argument for a
  data buffer, but not for it's lengths and TLVs can be, by
  definition, vary in size.
* fix a bug where it was not possible to disable an event

Signed-off-by: Holger Schurig <hs4233@mail.mn-solutions.de>
Acked-by: Dan Williams <dcbw@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Holger Schurig
2007-11-26 10:07:14 +01:00
committed by David S. Miller
parent 69f9032d9d
commit 3a18864917
6 changed files with 296 additions and 919 deletions
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8
drivers/net/wireless/libertas/host.h
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@@ -180,6 +180,14 @@
#define CMD_TYPE_SHORT_PREAMBLE 0x0002
#define CMD_TYPE_LONG_PREAMBLE 0x0003
/* Event flags for CMD_802_11_SUBSCRIBE_EVENT */
#define CMD_SUBSCRIBE_RSSI_LOW 0x0001
#define CMD_SUBSCRIBE_SNR_LOW 0x0002
#define CMD_SUBSCRIBE_FAILCOUNT 0x0004
#define CMD_SUBSCRIBE_BCNMISS 0x0008
#define CMD_SUBSCRIBE_RSSI_HIGH 0x0010
#define CMD_SUBSCRIBE_SNR_HIGH 0x0020
#define TURN_ON_RF 0x01
#define RADIO_ON 0x01
#define RADIO_OFF 0x00