iwlwifi: iwl_rx_cmd_buffer belongs to transport API
This is how the transport passes things
up into higher layers, so it belongs to
the transport API.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/iwlwifi/iwl-trans.h b/drivers/net/wireless/iwlwifi/iwl-trans.h
index 0197f31..b09192a 100644
--- a/drivers/net/wireless/iwlwifi/iwl-trans.h
+++ b/drivers/net/wireless/iwlwifi/iwl-trans.h
@@ -64,6 +64,7 @@
#define __iwl_trans_h__
#include <linux/ieee80211.h>
+#include <linux/mm.h> /* for page_address */
#include "iwl-shared.h"
#include "iwl-debug.h"
@@ -201,6 +202,22 @@
free_pages(cmd->_rx_page_addr, cmd->_rx_page_order);
}
+struct iwl_rx_cmd_buffer {
+ struct page *_page;
+};
+
+static inline void *rxb_addr(struct iwl_rx_cmd_buffer *r)
+{
+ return page_address(r->_page);
+}
+
+static inline struct page *rxb_steal_page(struct iwl_rx_cmd_buffer *r)
+{
+ struct page *p = r->_page;
+ r->_page = NULL;
+ return p;
+}
+
/**
* struct iwl_trans_ops - transport specific operations
*