Differential D23110 Diff 66847 sys/netinet/tcp_hostcache.c

Changeset View

Standalone View

sys/netinet/tcp_hostcache.c

	Show All 12 Lines
	&VNET_NAME(tcp_hostcache.prune), 0,			&VNET_NAME(tcp_hostcache.prune), 0,
	"Time between purge runs");			"Time between purge runs");

	SYSCTL_INT(_net_inet_tcp_hostcache, OID_AUTO, purge, CTLFLAG_VNET \| CTLFLAG_RW,			SYSCTL_INT(_net_inet_tcp_hostcache, OID_AUTO, purge, CTLFLAG_VNET \| CTLFLAG_RW,
	&VNET_NAME(tcp_hostcache.purgeall), 0,			&VNET_NAME(tcp_hostcache.purgeall), 0,
	"Expire all entires on next purge run");			"Expire all entires on next purge run");

	SYSCTL_PROC(_net_inet_tcp_hostcache, OID_AUTO, list,			SYSCTL_PROC(_net_inet_tcp_hostcache, OID_AUTO, list,
	CTLTYPE_STRING \| CTLFLAG_RD \| CTLFLAG_SKIP, 0, 0,			CTLTYPE_STRING \| CTLFLAG_RD \| CTLFLAG_SKIP \| CTLFLAG_NEEDGIANT,
	sysctl_tcp_hc_list, "A", "List of all hostcache entries");			0, 0, sysctl_tcp_hc_list, "A",
				"List of all hostcache entries");

	SYSCTL_PROC(_net_inet_tcp_hostcache, OID_AUTO, purgenow,			SYSCTL_PROC(_net_inet_tcp_hostcache, OID_AUTO, purgenow,
	CTLTYPE_INT \| CTLFLAG_RW, NULL, 0,			CTLTYPE_INT \| CTLFLAG_RW \| CTLFLAG_NEEDGIANT,
	sysctl_tcp_hc_purgenow, "I", "Immediately purge all entries");			NULL, 0, sysctl_tcp_hc_purgenow, "I",
				"Immediately purge all entries");

	static MALLOC_DEFINE(M_HOSTCACHE, "hostcache", "TCP hostcache");			static MALLOC_DEFINE(M_HOSTCACHE, "hostcache", "TCP hostcache");

	#define HOSTCACHE_HASH(ip) \			#define HOSTCACHE_HASH(ip) \
	(((ip)->s_addr ^ ((ip)->s_addr >> 7) ^ ((ip)->s_addr >> 17)) & \			(((ip)->s_addr ^ ((ip)->s_addr >> 7) ^ ((ip)->s_addr >> 17)) & \
	V_tcp_hostcache.hashmask)			V_tcp_hostcache.hashmask)

	/* XXX: What is the recommended hash to get good entropy for IPv6 addresses? */			/* XXX: What is the recommended hash to get good entropy for IPv6 addresses? */
	Show All 12 Lines