Differential D17030 Diff 47726 head/sys/netinet/in_pcb.c

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head/sys/netinet/in_pcb.c

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}		}
return (match);		return (match);
}		}
}		}
#undef INP_LOOKUP_MAPPED_PCB_COST		#undef INP_LOOKUP_MAPPED_PCB_COST

static struct inpcb *		static struct inpcb *
in_pcblookup_lbgroup(const struct inpcbinfo *pcbinfo,		in_pcblookup_lbgroup(const struct inpcbinfo *pcbinfo,
const struct in_addr laddr, uint16_t lport, const struct in_addr faddr,		const struct in_addr laddr, uint16_t lport, const struct in_addr faddr,
uint16_t fport, int lookupflags)		uint16_t fport, int lookupflags)
{		{
struct inpcb *local_wild = NULL;		struct inpcb *local_wild;
const struct inpcblbgrouphead *hdr;		const struct inpcblbgrouphead *hdr;
struct inpcblbgroup *grp;		struct inpcblbgroup *grp;
struct inpcblbgroup *grp_local_wild;		uint32_t idx;

INP_HASH_LOCK_ASSERT(pcbinfo);		INP_HASH_LOCK_ASSERT(pcbinfo);

hdr = &pcbinfo->ipi_lbgrouphashbase[		hdr = &pcbinfo->ipi_lbgrouphashbase[INP_PCBLBGROUP_PORTHASH(lport,
INP_PCBLBGROUP_PORTHASH(lport, pcbinfo->ipi_lbgrouphashmask)];		pcbinfo->ipi_lbgrouphashmask)];

/*		/*
* Order of socket selection:		* Order of socket selection:
* 1. non-wild.		* 1. non-wild.
* 2. wild (if lookupflags contains INPLOOKUP_WILDCARD).		* 2. wild (if lookupflags contains INPLOOKUP_WILDCARD).
*		*
* NOTE:		* NOTE:
* - Load balanced group does not contain jailed sockets		* - Load balanced group does not contain jailed sockets
* - Load balanced group does not contain IPv4 mapped INET6 wild sockets		* - Load balanced group does not contain IPv4 mapped INET6 wild sockets
*/		*/
		local_wild = NULL;
LIST_FOREACH(grp, hdr, il_list) {		LIST_FOREACH(grp, hdr, il_list) {
#ifdef INET6		#ifdef INET6
if (!(grp->il_vflag & INP_IPV4))		if (!(grp->il_vflag & INP_IPV4))
continue;		continue;
#endif		#endif
		if (grp->il_lport != lport)
		continue;

if (grp->il_lport == lport) {		idx = INP_PCBLBGROUP_PKTHASH(faddr->s_addr, lport, fport) %
		grp->il_inpcnt;
uint32_t idx = 0;		if (grp->il_laddr.s_addr == laddr->s_addr)
int pkt_hash = INP_PCBLBGROUP_PKTHASH(faddr->s_addr,
lport, fport);

idx = pkt_hash % grp->il_inpcnt;

if (grp->il_laddr.s_addr == laddr->s_addr) {
return (grp->il_inp[idx]);		return (grp->il_inp[idx]);
} else {
if (grp->il_laddr.s_addr == INADDR_ANY &&		if (grp->il_laddr.s_addr == INADDR_ANY &&
(lookupflags & INPLOOKUP_WILDCARD)) {		(lookupflags & INPLOOKUP_WILDCARD) != 0)
local_wild = grp->il_inp[idx];		local_wild = grp->il_inp[idx];
grp_local_wild = grp;
}		}
}
}
}
if (local_wild != NULL) {
return (local_wild);		return (local_wild);
}
return (NULL);
}		}

#ifdef PCBGROUP		#ifdef PCBGROUP
/*		/*
* Lookup PCB in hash list, using pcbgroup tables.		* Lookup PCB in hash list, using pcbgroup tables.
*/		*/
static struct inpcb *		static struct inpcb *
in_pcblookup_group(struct inpcbinfo pcbinfo, struct inpcbgroup pcbgroup,		in_pcblookup_group(struct inpcbinfo pcbinfo, struct inpcbgroup pcbgroup,
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