42    2. Hash table by (daddr,family,reqid) to find what SAs exist for given
62 					 unsigned short family)  in xfrm_dst_hash()  argument
64 	return __xfrm_dst_hash(daddr, saddr, reqid, family, net->xfrm.state_hmask);  in xfrm_dst_hash()
70 					 unsigned short family)  in xfrm_src_hash()  argument
72 	return __xfrm_src_hash(daddr, saddr, family, net->xfrm.state_hmask);  in xfrm_src_hash()
77 	      __be32 spi, u8 proto, unsigned short family)  in xfrm_spi_hash()  argument
79 	return __xfrm_spi_hash(daddr, spi, proto, family, net->xfrm.state_hmask);  in xfrm_spi_hash()
95 				    x->props.reqid, x->props.family,  in xfrm_hash_transfer()
100 				    x->props.family,  in xfrm_hash_transfer()
106 					    x->id.proto, x->props.family,  in xfrm_hash_transfer()
182 int xfrm_register_type(const struct xfrm_type *type, unsigned short family)  in xfrm_register_type()  argument
184 	struct xfrm_state_afinfo *afinfo = xfrm_state_get_afinfo(family);  in xfrm_register_type()
228 void xfrm_unregister_type(const struct xfrm_type *type, unsigned short family)  in xfrm_unregister_type()  argument
230 	struct xfrm_state_afinfo *afinfo = xfrm_state_get_afinfo(family);  in xfrm_unregister_type()
271 static const struct xfrm_type *xfrm_get_type(u8 proto, unsigned short family)  in xfrm_get_type()  argument
278 	afinfo = xfrm_state_get_afinfo(family);  in xfrm_get_type()
314 		request_module("xfrm-type-%d-%d", family, proto);  in xfrm_get_type()
328 			       unsigned short family)  in xfrm_register_type_offload()  argument
330 	struct xfrm_state_afinfo *afinfo = xfrm_state_get_afinfo(family);  in xfrm_register_type_offload()
353 				  unsigned short family)  in xfrm_unregister_type_offload()  argument
355 	struct xfrm_state_afinfo *afinfo = xfrm_state_get_afinfo(family);  in xfrm_unregister_type_offload()
374 xfrm_get_type_offload(u8 proto, unsigned short family, bool try_load)  in xfrm_get_type_offload()  argument
380 	afinfo = xfrm_state_get_afinfo(family);  in xfrm_get_type_offload()
398 		request_module("xfrm-offload-%d-%d", family, proto);  in xfrm_get_type_offload()
415 		.family = AF_INET,
419 		.family = AF_INET,
424 		.family = AF_INET,
432 		.family = AF_INET6,
436 		.family = AF_INET6,
440 		.family = AF_INET6,
445 		.family = AF_INET6,
449 static const struct xfrm_mode *xfrm_get_mode(unsigned int encap, int family)  in xfrm_get_mode()  argument
456 	switch (family) {  in xfrm_get_mode()
459 		if (mode->family == family)  in xfrm_get_mode()
464 		if (mode->family == family)  in xfrm_get_mode()
865 	sel->family = AF_INET;  in __xfrm4_init_tempsel()
884 	sel->family = AF_INET6;  in __xfrm6_init_tempsel()
895 		    unsigned short family)  in xfrm_init_tempstate()  argument
897 	switch (family) {  in xfrm_init_tempstate()
927 	x->props.family = tmpl->encap_family;  in xfrm_init_tempstate()
933 					      unsigned short family)  in __xfrm_state_lookup()  argument
935 	unsigned int h = xfrm_spi_hash(net, daddr, spi, proto, family);  in __xfrm_state_lookup()
939 		if (x->props.family != family ||  in __xfrm_state_lookup()
942 		    !xfrm_addr_equal(&x->id.daddr, daddr, family))  in __xfrm_state_lookup()
958 						     u8 proto, unsigned short family)  in __xfrm_state_lookup_byaddr()  argument
960 	unsigned int h = xfrm_src_hash(net, daddr, saddr, family);  in __xfrm_state_lookup_byaddr()
964 		if (x->props.family != family ||  in __xfrm_state_lookup_byaddr()
966 		    !xfrm_addr_equal(&x->id.daddr, daddr, family) ||  in __xfrm_state_lookup_byaddr()
967 		    !xfrm_addr_equal(&x->props.saddr, saddr, family))  in __xfrm_state_lookup_byaddr()
981 __xfrm_state_locate(struct xfrm_state *x, int use_spi, int family)  in __xfrm_state_locate()  argument
988 					   x->id.spi, x->id.proto, family);  in __xfrm_state_locate()
993 						  x->id.proto, family);  in __xfrm_state_locate()
1005 			       const struct flowi *fl, unsigned short family,  in xfrm_state_look_at()  argument
1021 		if ((x->sel.family &&  in xfrm_state_look_at()
1022 		     (x->sel.family != family ||  in xfrm_state_look_at()
1023 		      !xfrm_selector_match(&x->sel, fl, family))) ||  in xfrm_state_look_at()
1036 		if ((!x->sel.family ||  in xfrm_state_look_at()
1037 		     (x->sel.family == family &&  in xfrm_state_look_at()
1038 		      xfrm_selector_match(&x->sel, fl, family))) &&  in xfrm_state_look_at()
1048 		unsigned short family, u32 if_id)  in xfrm_state_find()  argument
1069 		if (x->props.family == encap_family &&  in xfrm_state_find()
1078 			xfrm_state_look_at(pol, x, fl, family,  in xfrm_state_find()
1086 		if (x->props.family == encap_family &&  in xfrm_state_find()
1095 			xfrm_state_look_at(pol, x, fl, family,  in xfrm_state_find()
1127 		xfrm_init_tempstate(x, fl, tmpl, daddr, saddr, family);  in xfrm_state_find()
1191 		    unsigned short family, u8 mode, u8 proto, u32 reqid)  in xfrm_stateonly_find()  argument
1197 	h = xfrm_dst_hash(net, daddr, saddr, reqid, family);  in xfrm_stateonly_find()
1199 		if (x->props.family == family &&  in xfrm_stateonly_find()
1204 		    xfrm_state_addr_check(x, daddr, saddr, family) &&  in xfrm_stateonly_find()
1223 					      unsigned short family)  in xfrm_state_lookup_byspi()  argument
1231 		if (x->props.family != family ||  in xfrm_state_lookup_byspi()
1252 			  x->props.reqid, x->props.family);  in __xfrm_state_insert()
1255 	h = xfrm_src_hash(net, &x->id.daddr, &x->props.saddr, x->props.family);  in __xfrm_state_insert()
1260 				  x->props.family);  in __xfrm_state_insert()
1278 	unsigned short family = xnew->props.family;  in __xfrm_state_bump_genids()  local
1285 	h = xfrm_dst_hash(net, &xnew->id.daddr, &xnew->props.saddr, reqid, family);  in __xfrm_state_bump_genids()
1287 		if (x->props.family	== family &&  in __xfrm_state_bump_genids()
1291 		    xfrm_addr_equal(&x->id.daddr, &xnew->id.daddr, family) &&  in __xfrm_state_bump_genids()
1292 		    xfrm_addr_equal(&x->props.saddr, &xnew->props.saddr, family))  in __xfrm_state_bump_genids()
1311 					  unsigned short family, u8 mode,  in __find_acq_core()  argument
1317 	unsigned int h = xfrm_dst_hash(net, daddr, saddr, reqid, family);  in __find_acq_core()
1324 		    x->props.family != family ||  in __find_acq_core()
1329 		    !xfrm_addr_equal(&x->id.daddr, daddr, family) ||  in __find_acq_core()
1330 		    !xfrm_addr_equal(&x->props.saddr, saddr, family))  in __find_acq_core()
1342 		switch (family) {  in __find_acq_core()
1364 		x->props.family = family;  in __find_acq_core()
1377 		h = xfrm_src_hash(net, daddr, saddr, family);  in __find_acq_core()
1394 	int family;  in xfrm_state_add()  local
1399 	family = x->props.family;  in xfrm_state_add()
1405 	x1 = __xfrm_state_locate(x, use_spi, family);  in xfrm_state_add()
1416 		    !xfrm_addr_equal(&x1->id.daddr, &x->id.daddr, family))) {  in xfrm_state_add()
1423 		x1 = __find_acq_core(net, &x->mark, family, x->props.mode,  in xfrm_state_add()
1485 	x->props.family = orig->props.family;  in xfrm_state_clone()
1658 	x1 = __xfrm_state_locate(x, use_spi, x->props.family);  in xfrm_state_update()
1764 		  u8 proto, unsigned short family)  in xfrm_state_lookup()  argument
1769 	x = __xfrm_state_lookup(net, mark, daddr, spi, proto, family);  in xfrm_state_lookup()
1778 			 u8 proto, unsigned short family)  in xfrm_state_lookup_byaddr()  argument
1783 	x = __xfrm_state_lookup_byaddr(net, mark, daddr, saddr, proto, family);  in xfrm_state_lookup_byaddr()
1792 	      const xfrm_address_t *saddr, int create, unsigned short family)  in xfrm_find_acq()  argument
1797 	x = __find_acq_core(net, mark, family, mode, reqid, if_id, proto, daddr, saddr, create);  in xfrm_find_acq()
1903 	       unsigned short family)  in xfrm_tmpl_sort()  argument
1907 	if (family == AF_INET6)  in xfrm_tmpl_sort()
1917 		unsigned short family)  in xfrm_state_sort()  argument
1921 	if (family == AF_INET6)  in xfrm_state_sort()
2021 		x0 = xfrm_state_lookup(net, mark, &x->id.daddr, minspi, x->id.proto, x->props.family);  in xfrm_alloc_spi()
2031 			x0 = xfrm_state_lookup(net, mark, &x->id.daddr, htonl(spi), x->id.proto, x->props.family);  in xfrm_alloc_spi()
2042 		h = xfrm_spi_hash(net, &x->id.daddr, x->id.spi, x->id.proto, x->props.family);  in xfrm_alloc_spi()
2060 		if ((filter->family == AF_INET ||  in __xfrm_state_filter_match()
2061 		     filter->family == AF_INET6) &&  in __xfrm_state_filter_match()
2062 		    x->props.family != filter->family)  in __xfrm_state_filter_match()
2445 	if (WARN_ON(afinfo->family >= NPROTO))  in xfrm_state_register_afinfo()
2449 	if (unlikely(xfrm_state_afinfo[afinfo->family] != NULL))  in xfrm_state_register_afinfo()
2452 		rcu_assign_pointer(xfrm_state_afinfo[afinfo->family], afinfo);  in xfrm_state_register_afinfo()
2460 	int err = 0, family = afinfo->family;  in xfrm_state_unregister_afinfo()  local
2462 	if (WARN_ON(family >= NPROTO))  in xfrm_state_unregister_afinfo()
2466 	if (likely(xfrm_state_afinfo[afinfo->family] != NULL)) {  in xfrm_state_unregister_afinfo()
2467 		if (rcu_access_pointer(xfrm_state_afinfo[family]) != afinfo)  in xfrm_state_unregister_afinfo()
2470 			RCU_INIT_POINTER(xfrm_state_afinfo[afinfo->family], NULL);  in xfrm_state_unregister_afinfo()
2478 struct xfrm_state_afinfo *xfrm_state_afinfo_get_rcu(unsigned int family)  in xfrm_state_afinfo_get_rcu()  argument
2480 	if (unlikely(family >= NPROTO))  in xfrm_state_afinfo_get_rcu()
2483 	return rcu_dereference(xfrm_state_afinfo[family]);  in xfrm_state_afinfo_get_rcu()
2487 struct xfrm_state_afinfo *xfrm_state_get_afinfo(unsigned int family)  in xfrm_state_get_afinfo()  argument
2490 	if (unlikely(family >= NPROTO))  in xfrm_state_get_afinfo()
2493 	afinfo = rcu_dereference(xfrm_state_afinfo[family]);  in xfrm_state_get_afinfo()
2536 		if (x->props.family == AF_INET)  in xfrm_state_mtu()
2538 		else if (x->props.family == AF_INET6)  in xfrm_state_mtu()
2557 	int family = x->props.family;  in __xfrm_init_state()  local
2560 	if (family == AF_INET &&  in __xfrm_init_state()
2566 	if (x->sel.family != AF_UNSPEC) {  in __xfrm_init_state()
2567 		inner_mode = xfrm_get_mode(x->props.mode, x->sel.family);  in __xfrm_init_state()
2572 		    family != x->sel.family)  in __xfrm_init_state()
2580 		inner_mode = xfrm_get_mode(x->props.mode, x->props.family);  in __xfrm_init_state()
2589 		if (x->props.family == AF_INET)  in __xfrm_init_state()
2599 	x->type = xfrm_get_type(x->id.proto, family);  in __xfrm_init_state()
2603 	x->type_offload = xfrm_get_type_offload(x->id.proto, family, offload);  in __xfrm_init_state()
2609 	outer_mode = xfrm_get_mode(x->props.mode, family);  in __xfrm_init_state()
2707 	switch (x->props.family) {  in xfrm_audit_helper_sainfo()
2721 static void xfrm_audit_helper_pktinfo(struct sk_buff *skb, u16 family,  in xfrm_audit_helper_pktinfo()  argument
2727 	switch (family) {  in xfrm_audit_helper_pktinfo()
2782 	xfrm_audit_helper_pktinfo(skb, x->props.family, audit_buf);  in xfrm_audit_state_replay_overflow()
2800 	xfrm_audit_helper_pktinfo(skb, x->props.family, audit_buf);  in xfrm_audit_state_replay()
2808 void xfrm_audit_state_notfound_simple(struct sk_buff *skb, u16 family)  in xfrm_audit_state_notfound_simple()  argument
2815 	xfrm_audit_helper_pktinfo(skb, family, audit_buf);  in xfrm_audit_state_notfound_simple()
2820 void xfrm_audit_state_notfound(struct sk_buff *skb, u16 family,  in xfrm_audit_state_notfound()  argument
2829 	xfrm_audit_helper_pktinfo(skb, family, audit_buf);  in xfrm_audit_state_notfound()
2847 	xfrm_audit_helper_pktinfo(skb, x->props.family, audit_buf);  in xfrm_audit_state_icvfail()