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[XFRM]: Pull xfrm_state_by{spi,src} hash table knowledge out of afinfo.

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Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller
2006-08-24 00:42:45 -07:00
parent 2770834c9f
commit edcd582152
4 changed files with 159 additions and 197 deletions
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78
include/net/xfrm.h
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@@ -243,14 +243,10 @@ extern int __xfrm_state_delete(struct xfrm_state *x);
struct xfrm_state_afinfo {
unsigned short family;
struct list_head *state_bysrc;
struct list_head *state_byspi;
int (*init_flags)(struct xfrm_state *x);
void (*init_tempsel)(struct xfrm_state *x, struct flowi *fl,
struct xfrm_tmpl *tmpl,
xfrm_address_t *daddr, xfrm_address_t *saddr);
struct xfrm_state *(*state_lookup)(xfrm_address_t *daddr, u32 spi, u8 proto);
struct xfrm_state *(*state_lookup_byaddr)(xfrm_address_t *daddr, xfrm_address_t *saddr, u8 proto);
int (*tmpl_sort)(struct xfrm_tmpl **dst, struct xfrm_tmpl **src, int n);
int (*state_sort)(struct xfrm_state **dst, struct xfrm_state **src, int n);
};
@@ -431,80 +427,6 @@ static inline void xfrm_pols_put(struct xfrm_policy **pols, int npols)
}
#endif
#define XFRM_DST_HSIZE 1024
static __inline__
unsigned __xfrm4_dst_hash(xfrm_address_t *addr)
{
unsigned h;
h = ntohl(addr->a4);
h = (h ^ (h>>16)) % XFRM_DST_HSIZE;
return h;
}
static __inline__
unsigned __xfrm6_dst_hash(xfrm_address_t *addr)
{
unsigned h;
h = ntohl(addr->a6[2]^addr->a6[3]);
h = (h ^ (h>>16)) % XFRM_DST_HSIZE;
return h;
}
static __inline__
unsigned __xfrm4_src_hash(xfrm_address_t *addr)
{
return __xfrm4_dst_hash(addr);
}
static __inline__
unsigned __xfrm6_src_hash(xfrm_address_t *addr)
{
return __xfrm6_dst_hash(addr);
}
static __inline__
unsigned xfrm_src_hash(xfrm_address_t *addr, unsigned short family)
{
switch (family) {
case AF_INET:
return __xfrm4_src_hash(addr);
case AF_INET6:
return __xfrm6_src_hash(addr);
}
return 0;
}
static __inline__
unsigned __xfrm4_spi_hash(xfrm_address_t *addr, u32 spi, u8 proto)
{
unsigned h;
h = ntohl(addr->a4^spi^proto);
h = (h ^ (h>>10) ^ (h>>20)) % XFRM_DST_HSIZE;
return h;
}
static __inline__
unsigned __xfrm6_spi_hash(xfrm_address_t *addr, u32 spi, u8 proto)
{
unsigned h;
h = ntohl(addr->a6[2]^addr->a6[3]^spi^proto);
h = (h ^ (h>>10) ^ (h>>20)) % XFRM_DST_HSIZE;
return h;
}
static __inline__
unsigned xfrm_spi_hash(xfrm_address_t *addr, u32 spi, u8 proto, unsigned short family)
{
switch (family) {
case AF_INET:
return __xfrm4_spi_hash(addr, spi, proto);
case AF_INET6:
return __xfrm6_spi_hash(addr, spi, proto);
}
return 0; /*XXX*/
}
extern void __xfrm_state_destroy(struct xfrm_state *);
static inline void __xfrm_state_put(struct xfrm_state *x)