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Diffstat (limited to 'drivers/net/wireless/mwifiex/util.h')
-rw-r--r--drivers/net/wireless/mwifiex/util.h96
1 files changed, 96 insertions, 0 deletions
diff --git a/drivers/net/wireless/mwifiex/util.h b/drivers/net/wireless/mwifiex/util.h
new file mode 100644
index 000000000..b541d66c0
--- /dev/null
+++ b/drivers/net/wireless/mwifiex/util.h
@@ -0,0 +1,96 @@
+/*
+ * Marvell Wireless LAN device driver: utility functions
+ *
+ * Copyright (C) 2011-2014, Marvell International Ltd.
+ *
+ * This software file (the "File") is distributed by Marvell International
+ * Ltd. under the terms of the GNU General Public License Version 2, June 1991
+ * (the "License"). You may use, redistribute and/or modify this File in
+ * accordance with the terms and conditions of the License, a copy of which
+ * is available by writing to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or on the
+ * worldwide web at http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt.
+ *
+ * THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE
+ * ARE EXPRESSLY DISCLAIMED. The License provides additional details about
+ * this warranty disclaimer.
+ */
+
+#ifndef _MWIFIEX_UTIL_H_
+#define _MWIFIEX_UTIL_H_
+
+struct mwifiex_private;
+
+struct mwifiex_dma_mapping {
+ dma_addr_t addr;
+ size_t len;
+};
+
+struct mwifiex_cb {
+ struct mwifiex_dma_mapping dma_mapping;
+ union {
+ struct mwifiex_rxinfo rx_info;
+ struct mwifiex_txinfo tx_info;
+ };
+};
+
+/* size/addr for mwifiex_debug_info */
+#define item_size(n) (FIELD_SIZEOF(struct mwifiex_debug_info, n))
+#define item_addr(n) (offsetof(struct mwifiex_debug_info, n))
+
+/* size/addr for struct mwifiex_adapter */
+#define adapter_item_size(n) (FIELD_SIZEOF(struct mwifiex_adapter, n))
+#define adapter_item_addr(n) (offsetof(struct mwifiex_adapter, n))
+
+struct mwifiex_debug_data {
+ char name[32]; /* variable/array name */
+ u32 size; /* size of the variable/array */
+ size_t addr; /* address of the variable/array */
+ int num; /* number of variables in an array */
+};
+
+static inline struct mwifiex_rxinfo *MWIFIEX_SKB_RXCB(struct sk_buff *skb)
+{
+ struct mwifiex_cb *cb = (struct mwifiex_cb *)skb->cb;
+
+ BUILD_BUG_ON(sizeof(struct mwifiex_cb) > sizeof(skb->cb));
+ return &cb->rx_info;
+}
+
+static inline struct mwifiex_txinfo *MWIFIEX_SKB_TXCB(struct sk_buff *skb)
+{
+ struct mwifiex_cb *cb = (struct mwifiex_cb *)skb->cb;
+
+ return &cb->tx_info;
+}
+
+static inline void mwifiex_store_mapping(struct sk_buff *skb,
+ struct mwifiex_dma_mapping *mapping)
+{
+ struct mwifiex_cb *cb = (struct mwifiex_cb *)skb->cb;
+
+ memcpy(&cb->dma_mapping, mapping, sizeof(*mapping));
+}
+
+static inline void mwifiex_get_mapping(struct sk_buff *skb,
+ struct mwifiex_dma_mapping *mapping)
+{
+ struct mwifiex_cb *cb = (struct mwifiex_cb *)skb->cb;
+
+ memcpy(mapping, &cb->dma_mapping, sizeof(*mapping));
+}
+
+static inline dma_addr_t MWIFIEX_SKB_DMA_ADDR(struct sk_buff *skb)
+{
+ struct mwifiex_dma_mapping mapping;
+
+ mwifiex_get_mapping(skb, &mapping);
+
+ return mapping.addr;
+}
+
+int mwifiex_debug_info_to_buffer(struct mwifiex_private *priv, char *buf,
+ struct mwifiex_debug_info *info);
+
+#endif /* !_MWIFIEX_UTIL_H_ */