/*
* Get ip_vs_dest associated with supplied parameters.
*/
static inline struct ip_vs_dest *
ip_vs_sh_get(struct ip_vs_service *svc, struct ip_vs_sh_state *s,
const union nf_inet_addr *addr, __be16 port)
{
unsigned int hash = ip_vs_sh_hashkey(svc->af, addr, port, 0);
struct ip_vs_dest *dest = rcu_dereference(s->buckets[hash].dest);
return (!dest || is_unavailable(dest)) ? NULL : dest;
}
/* As ip_vs_sh_get, but with fallback if selected server is unavailable */
static inline struct ip_vs_dest *
ip_vs_sh_get_fallback(struct ip_vs_service *svc, struct ip_vs_sh_state *s,
const union nf_inet_addr *addr, __be16 port)
{
unsigned int offset;
unsigned int hash;
struct ip_vs_dest *dest;
for (offset = 0; offset < IP_VS_SH_TAB_SIZE; offset++) {
hash = ip_vs_sh_hashkey(svc->af, addr, port, offset);
dest = rcu_dereference(s->buckets[hash].dest);
if (!dest)
break;
if (is_unavailable(dest))
IP_VS_DBG_BUF(6, "SH: selected unavailable server "
"%s:%d (offset %d)",
IP_VS_DBG_ADDR(svc->af, &dest->addr),
ntohs(dest->port), offset);
else
return dest;
}
return NULL;
}
/*
* Get ip_vs_dest associated with supplied parameters.
*/
static inline struct ip_vs_dest *
ip_vs_sh_get(struct ip_vs_sh_bucket *tbl, __u32 addr)
{
return (tbl[ip_vs_sh_hashkey(addr)]).dest;
}
/*
* Get ip_vs_dest associated with supplied parameters.
*/
static inline struct ip_vs_dest *
ip_vs_sh_get(int af, struct ip_vs_sh_bucket *tbl,
const union nf_inet_addr *addr)
{
return (tbl[ip_vs_sh_hashkey(af, addr)]).dest;
}
/*
* Get ip_vs_dest associated with supplied parameters.
*/
static inline struct ip_vs_dest *
ip_vs_sh_get(int af, struct ip_vs_sh_state *s, const union nf_inet_addr *addr)
{
return rcu_dereference(s->buckets[ip_vs_sh_hashkey(af, addr)].dest);
}
