libertas: add simple copyback command callback

A simple callback which copies the response back into the
command buffer that was used to send the command to the
card.  Will allow for direct command processing outside
the mega-switches in cmd.c and cmdresp.c.

Signed-off-by: Dan Williams <dcbw@redhat.com>
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 7 insertions, 0 deletions

diff --git a/drivers/net/wireless/libertas/cmd.h b/drivers/net/wireless/libertas/cmd.h
index 259d3e87193f..72857a1a2482 100644
--- a/drivers/net/wireless/libertas/cmd.h
+++ b/drivers/net/wireless/libertas/cmd.h
@@ -10,9 +10,16 @@
         __lbs_cmd(priv, cmdnr, (struct cmd_header *) &cmd, sizeof(cmd), \
                         callback, callback_arg)
 
+#define lbs_cmd_with_response(priv, cmdnr, cmd) \
+        __lbs_cmd(priv, cmdnr, (struct cmd_header *) &cmd, sizeof(cmd), \
+                  lbs_cmd_copyback, (unsigned long) &cmd)
+ 
 int __lbs_cmd(struct lbs_private *priv, uint16_t command,
               struct cmd_header *in_cmd, int in_cmd_size, 
               int (*callback)(struct lbs_private *, unsigned long, struct cmd_header *),
               unsigned long callback_arg);
 
+int lbs_cmd_copyback(struct lbs_private *priv, unsigned long extra,
+                     struct cmd_header *resp);
+
 #endif /* _LBS_CMD_H */