42    2. Hash table by (daddr,family,reqid) to find what SAs exist for given
61 					 unsigned short family)  in xfrm_dst_hash()  argument
63 	return __xfrm_dst_hash(daddr, saddr, reqid, family, net->xfrm.state_hmask);  in xfrm_dst_hash()
69 					 unsigned short family)  in xfrm_src_hash()  argument
71 	return __xfrm_src_hash(daddr, saddr, family, net->xfrm.state_hmask);  in xfrm_src_hash()
76 	      __be32 spi, u8 proto, unsigned short family)  in xfrm_spi_hash()  argument
78 	return __xfrm_spi_hash(daddr, spi, proto, family, net->xfrm.state_hmask);  in xfrm_spi_hash()
100 				    x->props.reqid, x->props.family,  in xfrm_hash_transfer()
105 				    x->props.family,  in xfrm_hash_transfer()
111 					    x->id.proto, x->props.family,  in xfrm_hash_transfer()
202 int xfrm_register_type(const struct xfrm_type *type, unsigned short family)  in xfrm_register_type()  argument
204 	struct xfrm_state_afinfo *afinfo = xfrm_state_get_afinfo(family);  in xfrm_register_type()
248 void xfrm_unregister_type(const struct xfrm_type *type, unsigned short family)  in xfrm_unregister_type()  argument
250 	struct xfrm_state_afinfo *afinfo = xfrm_state_get_afinfo(family);  in xfrm_unregister_type()
291 static const struct xfrm_type *xfrm_get_type(u8 proto, unsigned short family)  in xfrm_get_type()  argument
298 	afinfo = xfrm_state_get_afinfo(family);  in xfrm_get_type()
334 		request_module("xfrm-type-%d-%d", family, proto);  in xfrm_get_type()
348 			       unsigned short family)  in xfrm_register_type_offload()  argument
350 	struct xfrm_state_afinfo *afinfo = xfrm_state_get_afinfo(family);  in xfrm_register_type_offload()
373 				  unsigned short family)  in xfrm_unregister_type_offload()  argument
375 	struct xfrm_state_afinfo *afinfo = xfrm_state_get_afinfo(family);  in xfrm_unregister_type_offload()
394 xfrm_get_type_offload(u8 proto, unsigned short family, bool try_load)  in xfrm_get_type_offload()  argument
400 	afinfo = xfrm_state_get_afinfo(family);  in xfrm_get_type_offload()
418 		request_module("xfrm-offload-%d-%d", family, proto);  in xfrm_get_type_offload()
435 		.family = AF_INET,
439 		.family = AF_INET,
444 		.family = AF_INET,
452 		.family = AF_INET6,
456 		.family = AF_INET6,
460 		.family = AF_INET6,
465 		.family = AF_INET6,
469 static const struct xfrm_mode *xfrm_get_mode(unsigned int encap, int family)  in xfrm_get_mode()  argument
476 	switch (family) {  in xfrm_get_mode()
479 		if (mode->family == family)  in xfrm_get_mode()
484 		if (mode->family == family)  in xfrm_get_mode()
888 	sel->family = AF_INET;  in __xfrm4_init_tempsel()
907 	sel->family = AF_INET6;  in __xfrm6_init_tempsel()
918 		    unsigned short family)  in xfrm_init_tempstate()  argument
920 	switch (family) {  in xfrm_init_tempstate()
950 	x->props.family = tmpl->encap_family;  in xfrm_init_tempstate()
956 					      unsigned short family)  in __xfrm_state_lookup()  argument
958 	unsigned int h = xfrm_spi_hash(net, daddr, spi, proto, family);  in __xfrm_state_lookup()
962 		if (x->props.family != family ||  in __xfrm_state_lookup()
965 		    !xfrm_addr_equal(&x->id.daddr, daddr, family))  in __xfrm_state_lookup()
981 						     u8 proto, unsigned short family)  in __xfrm_state_lookup_byaddr()  argument
983 	unsigned int h = xfrm_src_hash(net, daddr, saddr, family);  in __xfrm_state_lookup_byaddr()
987 		if (x->props.family != family ||  in __xfrm_state_lookup_byaddr()
989 		    !xfrm_addr_equal(&x->id.daddr, daddr, family) ||  in __xfrm_state_lookup_byaddr()
990 		    !xfrm_addr_equal(&x->props.saddr, saddr, family))  in __xfrm_state_lookup_byaddr()
1004 __xfrm_state_locate(struct xfrm_state *x, int use_spi, int family)  in __xfrm_state_locate()  argument
1011 					   x->id.spi, x->id.proto, family);  in __xfrm_state_locate()
1016 						  x->id.proto, family);  in __xfrm_state_locate()
1028 			       const struct flowi *fl, unsigned short family,  in xfrm_state_look_at()  argument
1044 		if ((x->sel.family &&  in xfrm_state_look_at()
1045 		     (x->sel.family != family ||  in xfrm_state_look_at()
1046 		      !xfrm_selector_match(&x->sel, fl, family))) ||  in xfrm_state_look_at()
1060 		if ((!x->sel.family ||  in xfrm_state_look_at()
1061 		     (x->sel.family == family &&  in xfrm_state_look_at()
1062 		      xfrm_selector_match(&x->sel, fl, family))) &&  in xfrm_state_look_at()
1073 		unsigned short family, u32 if_id)  in xfrm_state_find()  argument
1094 		if (x->props.family == encap_family &&  in xfrm_state_find()
1103 			xfrm_state_look_at(pol, x, fl, family,  in xfrm_state_find()
1111 		if (x->props.family == encap_family &&  in xfrm_state_find()
1120 			xfrm_state_look_at(pol, x, fl, family,  in xfrm_state_find()
1152 		xfrm_init_tempstate(x, fl, tmpl, daddr, saddr, family);  in xfrm_state_find()
1220 		    unsigned short family, u8 mode, u8 proto, u32 reqid)  in xfrm_stateonly_find()  argument
1226 	h = xfrm_dst_hash(net, daddr, saddr, reqid, family);  in xfrm_stateonly_find()
1228 		if (x->props.family == family &&  in xfrm_stateonly_find()
1233 		    xfrm_state_addr_check(x, daddr, saddr, family) &&  in xfrm_stateonly_find()
1252 					      unsigned short family)  in xfrm_state_lookup_byspi()  argument
1260 		if (x->props.family != family ||  in xfrm_state_lookup_byspi()
1281 			  x->props.reqid, x->props.family);  in __xfrm_state_insert()
1284 	h = xfrm_src_hash(net, &x->id.daddr, &x->props.saddr, x->props.family);  in __xfrm_state_insert()
1289 				  x->props.family);  in __xfrm_state_insert()
1313 	unsigned short family = xnew->props.family;  in __xfrm_state_bump_genids()  local
1320 	h = xfrm_dst_hash(net, &xnew->id.daddr, &xnew->props.saddr, reqid, family);  in __xfrm_state_bump_genids()
1322 		if (x->props.family	== family &&  in __xfrm_state_bump_genids()
1326 		    xfrm_addr_equal(&x->id.daddr, &xnew->id.daddr, family) &&  in __xfrm_state_bump_genids()
1327 		    xfrm_addr_equal(&x->props.saddr, &xnew->props.saddr, family))  in __xfrm_state_bump_genids()
1346 					  unsigned short family, u8 mode,  in __find_acq_core()  argument
1352 	unsigned int h = xfrm_dst_hash(net, daddr, saddr, reqid, family);  in __find_acq_core()
1359 		    x->props.family != family ||  in __find_acq_core()
1364 		    !xfrm_addr_equal(&x->id.daddr, daddr, family) ||  in __find_acq_core()
1365 		    !xfrm_addr_equal(&x->props.saddr, saddr, family))  in __find_acq_core()
1377 		switch (family) {  in __find_acq_core()
1399 		x->props.family = family;  in __find_acq_core()
1412 		h = xfrm_src_hash(net, daddr, saddr, family);  in __find_acq_core()
1429 	int family;  in xfrm_state_add()  local
1434 	family = x->props.family;  in xfrm_state_add()
1440 	x1 = __xfrm_state_locate(x, use_spi, family);  in xfrm_state_add()
1451 		    !xfrm_addr_equal(&x1->id.daddr, &x->id.daddr, family))) {  in xfrm_state_add()
1458 		x1 = __find_acq_core(net, &x->mark, family, x->props.mode,  in xfrm_state_add()
1520 	x->props.family = orig->props.family;  in xfrm_state_clone()
1693 	x1 = __xfrm_state_locate(x, use_spi, x->props.family);  in xfrm_state_update()
1799 		  u8 proto, unsigned short family)  in xfrm_state_lookup()  argument
1804 	x = __xfrm_state_lookup(net, mark, daddr, spi, proto, family);  in xfrm_state_lookup()
1813 			 u8 proto, unsigned short family)  in xfrm_state_lookup_byaddr()  argument
1818 	x = __xfrm_state_lookup_byaddr(net, mark, daddr, saddr, proto, family);  in xfrm_state_lookup_byaddr()
1827 	      const xfrm_address_t *saddr, int create, unsigned short family)  in xfrm_find_acq()  argument
1832 	x = __find_acq_core(net, mark, family, mode, reqid, if_id, proto, daddr, saddr, create);  in xfrm_find_acq()
1938 	       unsigned short family)  in xfrm_tmpl_sort()  argument
1942 	if (family == AF_INET6)  in xfrm_tmpl_sort()
1952 		unsigned short family)  in xfrm_state_sort()  argument
1956 	if (family == AF_INET6)  in xfrm_state_sort()
2054 		x0 = xfrm_state_lookup(net, mark, &x->id.daddr, minspi, x->id.proto, x->props.family);  in xfrm_alloc_spi()
2064 			x0 = xfrm_state_lookup(net, mark, &x->id.daddr, htonl(spi), x->id.proto, x->props.family);  in xfrm_alloc_spi()
2075 		h = xfrm_spi_hash(net, &x->id.daddr, x->id.spi, x->id.proto, x->props.family);  in xfrm_alloc_spi()
2093 		if ((filter->family == AF_INET ||  in __xfrm_state_filter_match()
2094 		     filter->family == AF_INET6) &&  in __xfrm_state_filter_match()
2095 		    x->props.family != filter->family)  in __xfrm_state_filter_match()
2478 	if (WARN_ON(afinfo->family >= NPROTO))  in xfrm_state_register_afinfo()
2482 	if (unlikely(xfrm_state_afinfo[afinfo->family] != NULL))  in xfrm_state_register_afinfo()
2485 		rcu_assign_pointer(xfrm_state_afinfo[afinfo->family], afinfo);  in xfrm_state_register_afinfo()
2493 	int err = 0, family = afinfo->family;  in xfrm_state_unregister_afinfo()  local
2495 	if (WARN_ON(family >= NPROTO))  in xfrm_state_unregister_afinfo()
2499 	if (likely(xfrm_state_afinfo[afinfo->family] != NULL)) {  in xfrm_state_unregister_afinfo()
2500 		if (rcu_access_pointer(xfrm_state_afinfo[family]) != afinfo)  in xfrm_state_unregister_afinfo()
2503 			RCU_INIT_POINTER(xfrm_state_afinfo[afinfo->family], NULL);  in xfrm_state_unregister_afinfo()
2511 struct xfrm_state_afinfo *xfrm_state_afinfo_get_rcu(unsigned int family)  in xfrm_state_afinfo_get_rcu()  argument
2513 	if (unlikely(family >= NPROTO))  in xfrm_state_afinfo_get_rcu()
2516 	return rcu_dereference(xfrm_state_afinfo[family]);  in xfrm_state_afinfo_get_rcu()
2520 struct xfrm_state_afinfo *xfrm_state_get_afinfo(unsigned int family)  in xfrm_state_get_afinfo()  argument
2523 	if (unlikely(family >= NPROTO))  in xfrm_state_get_afinfo()
2526 	afinfo = rcu_dereference(xfrm_state_afinfo[family]);  in xfrm_state_get_afinfo()
2569 		if (x->props.family == AF_INET)  in __xfrm_state_mtu()
2571 		else if (x->props.family == AF_INET6)  in __xfrm_state_mtu()
2590 	if (x->props.family == AF_INET6 && mtu < IPV6_MIN_MTU)  in xfrm_state_mtu()
2600 	int family = x->props.family;  in __xfrm_init_state()  local
2603 	if (family == AF_INET &&  in __xfrm_init_state()
2609 	if (x->sel.family != AF_UNSPEC) {  in __xfrm_init_state()
2610 		inner_mode = xfrm_get_mode(x->props.mode, x->sel.family);  in __xfrm_init_state()
2615 		    family != x->sel.family)  in __xfrm_init_state()
2623 		inner_mode = xfrm_get_mode(x->props.mode, x->props.family);  in __xfrm_init_state()
2632 		if (x->props.family == AF_INET)  in __xfrm_init_state()
2642 	x->type = xfrm_get_type(x->id.proto, family);  in __xfrm_init_state()
2646 	x->type_offload = xfrm_get_type_offload(x->id.proto, family, offload);  in __xfrm_init_state()
2652 	outer_mode = xfrm_get_mode(x->props.mode, family);  in __xfrm_init_state()
2759 	switch (x->props.family) {  in xfrm_audit_helper_sainfo()
2773 static void xfrm_audit_helper_pktinfo(struct sk_buff *skb, u16 family,  in xfrm_audit_helper_pktinfo()  argument
2779 	switch (family) {  in xfrm_audit_helper_pktinfo()
2834 	xfrm_audit_helper_pktinfo(skb, x->props.family, audit_buf);  in xfrm_audit_state_replay_overflow()
2852 	xfrm_audit_helper_pktinfo(skb, x->props.family, audit_buf);  in xfrm_audit_state_replay()
2860 void xfrm_audit_state_notfound_simple(struct sk_buff *skb, u16 family)  in xfrm_audit_state_notfound_simple()  argument
2867 	xfrm_audit_helper_pktinfo(skb, family, audit_buf);  in xfrm_audit_state_notfound_simple()
2872 void xfrm_audit_state_notfound(struct sk_buff *skb, u16 family,  in xfrm_audit_state_notfound()  argument
2881 	xfrm_audit_helper_pktinfo(skb, family, audit_buf);  in xfrm_audit_state_notfound()
2899 	xfrm_audit_helper_pktinfo(skb, x->props.family, audit_buf);  in xfrm_audit_state_icvfail()