new file mode 100644
@@ -0,0 +1,90 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * NXP Wireless LAN device driver: utility functions
+ *
+ * Copyright 2011-2024 NXP
+ */
+
+#ifndef _NXPWIFI_UTIL_H_
+#define _NXPWIFI_UTIL_H_
+
+struct nxpwifi_private;
+
+struct nxpwifi_dma_mapping {
+ dma_addr_t addr;
+ size_t len;
+};
+
+struct nxpwifi_cb {
+ struct nxpwifi_dma_mapping dma_mapping;
+ union {
+ struct nxpwifi_rxinfo rx_info;
+ struct nxpwifi_txinfo tx_info;
+ };
+};
+
+/* size/addr for nxpwifi_debug_info */
+#define item_size(n) (sizeof_field(struct nxpwifi_debug_info, n))
+#define item_addr(n) (offsetof(struct nxpwifi_debug_info, n))
+
+/* size/addr for struct nxpwifi_adapter */
+#define adapter_item_size(n) (sizeof_field(struct nxpwifi_adapter, n))
+#define adapter_item_addr(n) (offsetof(struct nxpwifi_adapter, n))
+
+struct nxpwifi_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 nxpwifi_rxinfo *NXPWIFI_SKB_RXCB(struct sk_buff *skb)
+{
+ struct nxpwifi_cb *cb = (struct nxpwifi_cb *)skb->cb;
+
+ BUILD_BUG_ON(sizeof(struct nxpwifi_cb) > sizeof(skb->cb));
+ return &cb->rx_info;
+}
+
+static inline struct nxpwifi_txinfo *NXPWIFI_SKB_TXCB(struct sk_buff *skb)
+{
+ struct nxpwifi_cb *cb = (struct nxpwifi_cb *)skb->cb;
+
+ return &cb->tx_info;
+}
+
+static inline void nxpwifi_store_mapping(struct sk_buff *skb,
+ struct nxpwifi_dma_mapping *mapping)
+{
+ struct nxpwifi_cb *cb = (struct nxpwifi_cb *)skb->cb;
+
+ memcpy(&cb->dma_mapping, mapping, sizeof(*mapping));
+}
+
+static inline void nxpwifi_get_mapping(struct sk_buff *skb,
+ struct nxpwifi_dma_mapping *mapping)
+{
+ struct nxpwifi_cb *cb = (struct nxpwifi_cb *)skb->cb;
+
+ memcpy(mapping, &cb->dma_mapping, sizeof(*mapping));
+}
+
+static inline dma_addr_t NXPWIFI_SKB_DMA_ADDR(struct sk_buff *skb)
+{
+ struct nxpwifi_dma_mapping mapping;
+
+ nxpwifi_get_mapping(skb, &mapping);
+
+ return mapping.addr;
+}
+
+int nxpwifi_debug_info_to_buffer(struct nxpwifi_private *priv, char *buf,
+ struct nxpwifi_debug_info *info);
+
+static inline void le16_unaligned_add_cpu(__le16 *var, u16 val)
+{
+ put_unaligned_le16(get_unaligned_le16(var) + val, var);
+}
+
+int nxpwifi_append_data_tlv(u16 id, u8 *data, int len, u8 *pos, u8 *cmd_end);
+#endif /* !_NXPWIFI_UTIL_H_ */
Signed-off-by: David Lin <yu-hao.lin@nxp.com> --- drivers/net/wireless/nxp/nxpwifi/util.h | 90 +++++++++++++++++++++++++ 1 file changed, 90 insertions(+) create mode 100644 drivers/net/wireless/nxp/nxpwifi/util.h