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101 lines
2.9 KiB
101 lines
2.9 KiB
/* |
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* NXP Wireless LAN device driver: utility functions |
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* |
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* Copyright 2011-2020 NXP |
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* |
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* This software file (the "File") is distributed by NXP |
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* under the terms of the GNU General Public License Version 2, June 1991 |
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* (the "License"). You may use, redistribute and/or modify this File in |
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* accordance with the terms and conditions of the License, a copy of which |
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* is available by writing to the Free Software Foundation, Inc., |
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or on the |
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* worldwide web at http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt. |
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* |
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* THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE |
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* IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE |
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* ARE EXPRESSLY DISCLAIMED. The License provides additional details about |
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* this warranty disclaimer. |
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*/ |
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#ifndef _MWIFIEX_UTIL_H_ |
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#define _MWIFIEX_UTIL_H_ |
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struct mwifiex_private; |
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struct mwifiex_dma_mapping { |
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dma_addr_t addr; |
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size_t len; |
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}; |
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struct mwifiex_cb { |
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struct mwifiex_dma_mapping dma_mapping; |
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union { |
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struct mwifiex_rxinfo rx_info; |
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struct mwifiex_txinfo tx_info; |
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}; |
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}; |
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/* size/addr for mwifiex_debug_info */ |
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#define item_size(n) (sizeof_field(struct mwifiex_debug_info, n)) |
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#define item_addr(n) (offsetof(struct mwifiex_debug_info, n)) |
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/* size/addr for struct mwifiex_adapter */ |
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#define adapter_item_size(n) (sizeof_field(struct mwifiex_adapter, n)) |
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#define adapter_item_addr(n) (offsetof(struct mwifiex_adapter, n)) |
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struct mwifiex_debug_data { |
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char name[32]; /* variable/array name */ |
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u32 size; /* size of the variable/array */ |
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size_t addr; /* address of the variable/array */ |
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int num; /* number of variables in an array */ |
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}; |
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static inline struct mwifiex_rxinfo *MWIFIEX_SKB_RXCB(struct sk_buff *skb) |
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{ |
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struct mwifiex_cb *cb = (struct mwifiex_cb *)skb->cb; |
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BUILD_BUG_ON(sizeof(struct mwifiex_cb) > sizeof(skb->cb)); |
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return &cb->rx_info; |
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} |
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static inline struct mwifiex_txinfo *MWIFIEX_SKB_TXCB(struct sk_buff *skb) |
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{ |
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struct mwifiex_cb *cb = (struct mwifiex_cb *)skb->cb; |
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return &cb->tx_info; |
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} |
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static inline void mwifiex_store_mapping(struct sk_buff *skb, |
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struct mwifiex_dma_mapping *mapping) |
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{ |
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struct mwifiex_cb *cb = (struct mwifiex_cb *)skb->cb; |
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memcpy(&cb->dma_mapping, mapping, sizeof(*mapping)); |
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} |
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static inline void mwifiex_get_mapping(struct sk_buff *skb, |
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struct mwifiex_dma_mapping *mapping) |
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{ |
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struct mwifiex_cb *cb = (struct mwifiex_cb *)skb->cb; |
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memcpy(mapping, &cb->dma_mapping, sizeof(*mapping)); |
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} |
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static inline dma_addr_t MWIFIEX_SKB_DMA_ADDR(struct sk_buff *skb) |
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{ |
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struct mwifiex_dma_mapping mapping; |
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mwifiex_get_mapping(skb, &mapping); |
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return mapping.addr; |
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} |
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int mwifiex_debug_info_to_buffer(struct mwifiex_private *priv, char *buf, |
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struct mwifiex_debug_info *info); |
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static inline void le16_unaligned_add_cpu(__le16 *var, u16 val) |
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{ |
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put_unaligned_le16(get_unaligned_le16(var) + val, var); |
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} |
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#endif /* !_MWIFIEX_UTIL_H_ */
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