wlcore/wl12xx: add hw op for calculating hw block count per packet

Each chip family has a different block size and calculates the total
number of HW blocks differently, with respect to alignment.

Signed-off-by: Arik Nemtsov <arik@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>

1 files changed, 36 insertions, 0 deletions

diff --git a/drivers/net/wireless/ti/wlcore/hw_ops.h b/drivers/net/wireless/ti/wlcore/hw_ops.h
new file mode 100644
index 000000000000..5a9a3c9b4759
--- /dev/null
+++ b/drivers/net/wireless/ti/wlcore/hw_ops.h
@@ -0,0 +1,36 @@
+/*
+ * This file is part of wlcore
+ *
+ * Copyright (C) 2011 Texas Instruments Inc.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * version 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+ * 02110-1301 USA
+ *
+ */
+
+#ifndef __WLCORE_HW_OPS_H__
+#define __WLCORE_HW_OPS_H__
+
+#include "wlcore.h"
+
+static inline u32
+wlcore_hw_calc_tx_blocks(struct wl1271 *wl, u32 len, u32 spare_blks)
+{
+	if (!wl->ops->calc_tx_blocks)
+		BUG_ON(1);
+
+	return wl->ops->calc_tx_blocks(wl, len, spare_blks);
+}
+
+#endif