2b9e4ba1cb
Introduce qdf wrapper API for nbuf frag based ops. Change-Id: I0f4c1cb1aa9fcdd9dc2fc2f5716860eb286a1932 CRs-Fixed: 2733972
90 lines
2.4 KiB
C
90 lines
2.4 KiB
C
/*
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* Copyright (c) 2020 The Linux Foundation. All rights reserved.
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*
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* Permission to use, copy, modify, and/or distribute this software for
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* any purpose with or without fee is hereby granted, provided that the
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* above copyright notice and this permission notice appear in all
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* copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
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* WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
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* AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
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* DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
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* PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
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* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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* PERFORMANCE OF THIS SOFTWARE.
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*/
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/**
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* DOC: qdf_nbuf_frag.h
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* This file defines the nbuf frag abstraction.
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*/
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#ifndef _QDF_NBUF_FRAG_H
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#define _QDF_NBUF_FRAG_H
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#include <i_qdf_trace.h>
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#include <i_qdf_nbuf_frag.h>
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/*
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* typedef qdf_frag_t - Platform independent frag address abstraction
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*/
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typedef __qdf_frag_t qdf_frag_t;
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/**
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* Maximum number of frags an SKB can hold
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*/
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#define QDF_NBUF_MAX_FRAGS __QDF_NBUF_MAX_FRAGS
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/**
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* qdf_mem_map_page() - Map Page
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* @osdev: qdf_device_t
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* @buf: Virtual page address to be mapped
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* @dir: qdf_dma_dir_t
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* @nbytes: Size of memory to be mapped
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* @paddr: Corresponding mapped physical address
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*
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* Return: QDF_STATUS
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*/
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static inline QDF_STATUS qdf_mem_map_page(qdf_device_t osdev, qdf_frag_t buf,
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qdf_dma_dir_t dir, size_t nbytes,
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qdf_dma_addr_t *phy_addr)
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{
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return __qdf_mem_map_page(osdev, buf, dir, nbytes, phy_addr);
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}
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/**
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* qdf_mem_unmap_page() - Unmap Page
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* @osdev: qdf_device_t
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* @paddr: Physical memory to be unmapped
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* @nbytes: Size of memory to be unmapped
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* @dir: qdf_dma_dir_t
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*/
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static inline void qdf_mem_unmap_page(qdf_device_t osdev, qdf_dma_addr_t paddr,
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size_t nbytes, qdf_dma_dir_t dir)
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{
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__qdf_mem_unmap_page(osdev, paddr, nbytes, dir);
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}
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/**
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* qdf_frag_free() - Free allocated frag memory
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* @vaddr: Frag address to be freed.
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*/
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static inline void qdf_frag_free(qdf_frag_t vaddr)
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{
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__qdf_frag_free(vaddr);
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}
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/**
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* qdf_frag_alloc() - Allocate frag memory
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* @fragsz: Size of frag memory to be allocated
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*
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* Return: Allcated frag address
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*/
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static inline qdf_frag_t qdf_frag_alloc(unsigned int fragsz)
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{
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return __qdf_frag_alloc(fragsz);
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}
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#endif /* _QDF_NBUF_FRAG_H */
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