linux/net/xfrm/xfrm_hash.h

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _XFRM_HASH_H
#define _XFRM_HASH_H

#include <linux/xfrm.h>
#include <linux/socket.h>
#include <linux/jhash.h>

static inline unsigned int __xfrm4_addr_hash(const xfrm_address_t *addr)
{ … }

static inline unsigned int __xfrm6_addr_hash(const xfrm_address_t *addr)
{ … }

static inline unsigned int __xfrm4_daddr_saddr_hash(const xfrm_address_t *daddr,
						    const xfrm_address_t *saddr)
{ … }

static inline unsigned int __xfrm6_daddr_saddr_hash(const xfrm_address_t *daddr,
						    const xfrm_address_t *saddr)
{ … }

static inline u32 __bits2mask32(__u8 bits)
{ … }

static inline unsigned int __xfrm4_dpref_spref_hash(const xfrm_address_t *daddr,
						    const xfrm_address_t *saddr,
						    __u8 dbits,
						    __u8 sbits)
{ … }

static inline unsigned int __xfrm6_pref_hash(const xfrm_address_t *addr,
					     __u8 prefixlen)
{ … }

static inline unsigned int __xfrm6_dpref_spref_hash(const xfrm_address_t *daddr,
						    const xfrm_address_t *saddr,
						    __u8 dbits,
						    __u8 sbits)
{ … }

static inline unsigned int __xfrm_dst_hash(const xfrm_address_t *daddr,
					   const xfrm_address_t *saddr,
					   u32 reqid, unsigned short family,
					   unsigned int hmask)
{ … }

static inline unsigned int __xfrm_src_hash(const xfrm_address_t *daddr,
					   const xfrm_address_t *saddr,
					   unsigned short family,
					   unsigned int hmask)
{ … }

static inline unsigned int
__xfrm_spi_hash(const xfrm_address_t *daddr, __be32 spi, u8 proto,
		unsigned short family, unsigned int hmask)
{ … }

static inline unsigned int
__xfrm_seq_hash(u32 seq, unsigned int hmask)
{ … }

static inline unsigned int __idx_hash(u32 index, unsigned int hmask)
{ … }

static inline unsigned int __sel_hash(const struct xfrm_selector *sel,
				      unsigned short family, unsigned int hmask,
				      u8 dbits, u8 sbits)
{ … }

static inline unsigned int __addr_hash(const xfrm_address_t *daddr,
				       const xfrm_address_t *saddr,
				       unsigned short family,
				       unsigned int hmask,
				       u8 dbits, u8 sbits)
{ … }

struct hlist_head *xfrm_hash_alloc(unsigned int sz);
void xfrm_hash_free(struct hlist_head *n, unsigned int sz);

#endif /* _XFRM_HASH_H */