mirror of
https://github.com/opnsense/src.git
synced 2026-04-21 14:17:06 -04:00
117 lines
2.9 KiB
C
117 lines
2.9 KiB
C
/*-
|
|
* Copyright (c) 2023 Bjoern A. Zeeb
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*/
|
|
|
|
#ifndef _LINUXKPI_NET_PAGE_POOL_H
|
|
#define _LINUXKPI_NET_PAGE_POOL_H
|
|
|
|
#include <linux/kernel.h> /* pr_debug */
|
|
#include <linux/types.h>
|
|
#include <linux/dma-mapping.h>
|
|
|
|
struct device;
|
|
|
|
struct page_pool_params {
|
|
struct device *dev;
|
|
uint32_t flags;
|
|
uint32_t order;
|
|
uint32_t pool_size;
|
|
uint32_t max_len;
|
|
uint32_t offset;
|
|
int nid; /* NUMA */
|
|
enum dma_data_direction dma_dir;
|
|
};
|
|
|
|
struct page_pool {
|
|
};
|
|
|
|
#define PP_FLAG_DMA_MAP BIT(0)
|
|
#define PP_FLAG_DMA_SYNC_DEV BIT(1)
|
|
#define PP_FLAG_PAGE_FRAG BIT(2)
|
|
|
|
static inline struct page_pool *
|
|
page_pool_create(const struct page_pool_params *ppparams)
|
|
{
|
|
|
|
pr_debug("%s: TODO\n", __func__);
|
|
return (NULL);
|
|
}
|
|
|
|
static inline void
|
|
page_pool_destroy(struct page_pool *ppool)
|
|
{
|
|
|
|
pr_debug("%s: TODO\n", __func__);
|
|
}
|
|
|
|
static inline struct page *
|
|
page_pool_dev_alloc_frag(struct page_pool *ppool, uint32_t *offset,
|
|
size_t size)
|
|
{
|
|
|
|
pr_debug("%s: TODO\n", __func__);
|
|
return (NULL);
|
|
}
|
|
|
|
static inline dma_addr_t
|
|
page_pool_get_dma_addr(struct page *page)
|
|
{
|
|
|
|
pr_debug("%s: TODO\n", __func__);
|
|
return (0);
|
|
}
|
|
|
|
static inline enum dma_data_direction
|
|
page_pool_get_dma_dir(const struct page_pool *ppool)
|
|
{
|
|
|
|
pr_debug("%s: TODO\n", __func__);
|
|
return (DMA_BIDIRECTIONAL);
|
|
}
|
|
|
|
static inline void
|
|
page_pool_put_full_page(struct page_pool *ppool, struct page *page,
|
|
bool allow_direct)
|
|
{
|
|
|
|
pr_debug("%s: TODO\n", __func__);
|
|
}
|
|
|
|
static inline int
|
|
page_pool_ethtool_stats_get_count(void)
|
|
{
|
|
|
|
pr_debug("%s: TODO\n", __func__);
|
|
return (0);
|
|
}
|
|
|
|
static inline uint8_t *
|
|
page_pool_ethtool_stats_get_strings(uint8_t *x)
|
|
{
|
|
|
|
pr_debug("%s: TODO\n", __func__);
|
|
return (x);
|
|
}
|
|
|
|
#endif /* _LINUXKPI_NET_PAGE_POOL_H */
|