/* SPDX-License-Identifier: GPL-2.0 */#ifndef _NET_PAGE_POOL_MEMORY_PROVIDER_H#define _NET_PAGE_POOL_MEMORY_PROVIDER_H #include <net/netmem.h>#include <net/page_pool/types.h> struct netdev_rx_queue;struct netlink_ext_ack;struct sk_buff; struct memory_provider_ops {	netmem_ref (*alloc_netmems)(struct page_pool *pool, gfp_t gfp);	bool (*release_netmem)(struct page_pool *pool, netmem_ref netmem);	int (*init)(struct page_pool *pool);	void (*destroy)(struct page_pool *pool);	int (*nl_fill)(void *mp_priv, struct sk_buff *rsp,		       struct netdev_rx_queue *rxq);	void (*uninstall)(void *mp_priv, struct netdev_rx_queue *rxq);}; bool net_mp_niov_set_dma_addr(struct net_iov *niov, dma_addr_t addr);void net_mp_niov_set_page_pool(struct page_pool *pool, struct net_iov *niov);void net_mp_niov_clear_page_pool(struct net_iov *niov); int netif_mp_open_rxq(struct net_device *dev, unsigned int rxq_idx,		      const struct pp_memory_provider_params *p,		      struct netlink_ext_ack *extack);void netif_mp_close_rxq(struct net_device *dev, unsigned int rxq_idx,			const struct pp_memory_provider_params *old_p); /**  * net_mp_netmem_place_in_cache() - give a netmem to a page pool  * @pool:      the page pool to place the netmem into  * @netmem:    netmem to give  *  * Push an accounted netmem into the page pool's allocation cache. The caller  * must ensure that there is space in the cache. It should only be called off  * the mp_ops->alloc_netmems() path.  */static inline void net_mp_netmem_place_in_cache(struct page_pool *pool,						netmem_ref netmem){	pool->alloc.cache[pool->alloc.count++] = netmem;} #endif