Function in_pcbgroup_bytuple

freebsd/netinet/in_pcbgroup.c:270–303

}

struct inpcbgroup *
in_pcbgroup_bytuple(struct inpcbinfo *pcbinfo, struct in_addr laddr,
    u_short lport, struct in_addr faddr, u_short fport)
{
	uint32_t hash;

	/*
	 * RSS note: we pass foreign addr/port as source, and local addr/port
	 * as destination, as we want to align with what the hardware is
	 * doing.
	 */
	switch (pcbinfo->ipi_hashfields) {
	case IPI_HASHFIELDS_4TUPLE:
#ifdef RSS
		hash = rss_hash_ip4_4tuple(faddr, fport, laddr, lport);
#else
		hash = faddr.s_addr ^ fport;
#endif
		break;

	case IPI_HASHFIELDS_2TUPLE:
#ifdef RSS
		hash = rss_hash_ip4_2tuple(faddr, laddr);
#else
		hash = faddr.s_addr ^ laddr.s_addr;
#endif
		break;

	default:
		hash = 0;
	}
	return (&pcbinfo->ipi_pcbgroups[in_pcbgroup_getbucket(pcbinfo,
	    hash)]);
}

struct inpcbgroup *
in_pcbgroup_byinpcb(struct inpcb *inp)