43    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()
101 				    x->props.reqid, x->props.family,  in xfrm_hash_transfer()
106 				    x->props.family,  in xfrm_hash_transfer()
112 					    x->id.proto, x->props.family,  in xfrm_hash_transfer()
203 int xfrm_register_type(const struct xfrm_type *type, unsigned short family)  in xfrm_register_type()  argument
205 	struct xfrm_state_afinfo *afinfo = xfrm_state_get_afinfo(family);  in xfrm_register_type()
249 void xfrm_unregister_type(const struct xfrm_type *type, unsigned short family)  in xfrm_unregister_type()  argument
251 	struct xfrm_state_afinfo *afinfo = xfrm_state_get_afinfo(family);  in xfrm_unregister_type()
292 static const struct xfrm_type *xfrm_get_type(u8 proto, unsigned short family)  in xfrm_get_type()  argument
299 	afinfo = xfrm_state_get_afinfo(family);  in xfrm_get_type()
335 		request_module("xfrm-type-%d-%d", family, proto);  in xfrm_get_type()
349 			       unsigned short family)  in xfrm_register_type_offload()  argument
351 	struct xfrm_state_afinfo *afinfo = xfrm_state_get_afinfo(family);  in xfrm_register_type_offload()
374 				  unsigned short family)  in xfrm_unregister_type_offload()  argument
376 	struct xfrm_state_afinfo *afinfo = xfrm_state_get_afinfo(family);  in xfrm_unregister_type_offload()
395 xfrm_get_type_offload(u8 proto, unsigned short family, bool try_load)  in xfrm_get_type_offload()  argument
401 	afinfo = xfrm_state_get_afinfo(family);  in xfrm_get_type_offload()
419 		request_module("xfrm-offload-%d-%d", family, proto);  in xfrm_get_type_offload()
436 		.family = AF_INET,
440 		.family = AF_INET,
445 		.family = AF_INET,
453 		.family = AF_INET6,
457 		.family = AF_INET6,
461 		.family = AF_INET6,
466 		.family = AF_INET6,
470 static const struct xfrm_mode *xfrm_get_mode(unsigned int encap, int family)  in xfrm_get_mode()  argument
477 	switch (family) {  in xfrm_get_mode()
480 		if (mode->family == family)  in xfrm_get_mode()
485 		if (mode->family == family)  in xfrm_get_mode()
889 	sel->family = AF_INET;  in __xfrm4_init_tempsel()
908 	sel->family = AF_INET6;  in __xfrm6_init_tempsel()
919 		    unsigned short family)  in xfrm_init_tempstate()  argument
921 	switch (family) {  in xfrm_init_tempstate()
951 	x->props.family = tmpl->encap_family;  in xfrm_init_tempstate()
957 					      unsigned short family)  in __xfrm_state_lookup()  argument
959 	unsigned int h = xfrm_spi_hash(net, daddr, spi, proto, family);  in __xfrm_state_lookup()
963 		if (x->props.family != family ||  in __xfrm_state_lookup()
966 		    !xfrm_addr_equal(&x->id.daddr, daddr, family))  in __xfrm_state_lookup()
982 						     u8 proto, unsigned short family)  in __xfrm_state_lookup_byaddr()  argument
984 	unsigned int h = xfrm_src_hash(net, daddr, saddr, family);  in __xfrm_state_lookup_byaddr()
988 		if (x->props.family != family ||  in __xfrm_state_lookup_byaddr()
990 		    !xfrm_addr_equal(&x->id.daddr, daddr, family) ||  in __xfrm_state_lookup_byaddr()
991 		    !xfrm_addr_equal(&x->props.saddr, saddr, family))  in __xfrm_state_lookup_byaddr()
1005 __xfrm_state_locate(struct xfrm_state *x, int use_spi, int family)  in __xfrm_state_locate()  argument
1012 					   x->id.spi, x->id.proto, family);  in __xfrm_state_locate()
1017 						  x->id.proto, family);  in __xfrm_state_locate()
1029 			       const struct flowi *fl, unsigned short family,  in xfrm_state_look_at()  argument
1045 		if ((x->sel.family &&  in xfrm_state_look_at()
1046 		     (x->sel.family != family ||  in xfrm_state_look_at()
1047 		      !xfrm_selector_match(&x->sel, fl, family))) ||  in xfrm_state_look_at()
1061 		if ((!x->sel.family ||  in xfrm_state_look_at()
1062 		     (x->sel.family == family &&  in xfrm_state_look_at()
1063 		      xfrm_selector_match(&x->sel, fl, family))) &&  in xfrm_state_look_at()
1074 		unsigned short family, u32 if_id)  in xfrm_state_find()  argument
1095 		if (x->props.family == encap_family &&  in xfrm_state_find()
1104 			xfrm_state_look_at(pol, x, fl, family,  in xfrm_state_find()
1112 		if (x->props.family == encap_family &&  in xfrm_state_find()
1121 			xfrm_state_look_at(pol, x, fl, family,  in xfrm_state_find()
1153 		xfrm_init_tempstate(x, fl, tmpl, daddr, saddr, family);  in xfrm_state_find()
1221 		    unsigned short family, u8 mode, u8 proto, u32 reqid)  in xfrm_stateonly_find()  argument
1227 	h = xfrm_dst_hash(net, daddr, saddr, reqid, family);  in xfrm_stateonly_find()
1229 		if (x->props.family == family &&  in xfrm_stateonly_find()
1234 		    xfrm_state_addr_check(x, daddr, saddr, family) &&  in xfrm_stateonly_find()
1253 					      unsigned short family)  in xfrm_state_lookup_byspi()  argument
1261 		if (x->props.family != family ||  in xfrm_state_lookup_byspi()
1282 			  x->props.reqid, x->props.family);  in __xfrm_state_insert()
1285 	h = xfrm_src_hash(net, &x->id.daddr, &x->props.saddr, x->props.family);  in __xfrm_state_insert()
1290 				  x->props.family);  in __xfrm_state_insert()
1314 	unsigned short family = xnew->props.family;  in __xfrm_state_bump_genids()  local
1321 	h = xfrm_dst_hash(net, &xnew->id.daddr, &xnew->props.saddr, reqid, family);  in __xfrm_state_bump_genids()
1323 		if (x->props.family	== family &&  in __xfrm_state_bump_genids()
1327 		    xfrm_addr_equal(&x->id.daddr, &xnew->id.daddr, family) &&  in __xfrm_state_bump_genids()
1328 		    xfrm_addr_equal(&x->props.saddr, &xnew->props.saddr, family))  in __xfrm_state_bump_genids()
1347 					  unsigned short family, u8 mode,  in __find_acq_core()  argument
1353 	unsigned int h = xfrm_dst_hash(net, daddr, saddr, reqid, family);  in __find_acq_core()
1360 		    x->props.family != family ||  in __find_acq_core()
1365 		    !xfrm_addr_equal(&x->id.daddr, daddr, family) ||  in __find_acq_core()
1366 		    !xfrm_addr_equal(&x->props.saddr, saddr, family))  in __find_acq_core()
1378 		switch (family) {  in __find_acq_core()
1400 		x->props.family = family;  in __find_acq_core()
1413 		h = xfrm_src_hash(net, daddr, saddr, family);  in __find_acq_core()
1430 	int family;  in xfrm_state_add()  local
1435 	family = x->props.family;  in xfrm_state_add()
1441 	x1 = __xfrm_state_locate(x, use_spi, family);  in xfrm_state_add()
1452 		    !xfrm_addr_equal(&x1->id.daddr, &x->id.daddr, family))) {  in xfrm_state_add()
1459 		x1 = __find_acq_core(net, &x->mark, family, x->props.mode,  in xfrm_state_add()
1521 	x->props.family = orig->props.family;  in xfrm_state_clone()
1669 	xc->props.family = m->new_family;  in xfrm_state_migrate()
1705 	x1 = __xfrm_state_locate(x, use_spi, x->props.family);  in xfrm_state_update()
1811 		  u8 proto, unsigned short family)  in xfrm_state_lookup()  argument
1816 	x = __xfrm_state_lookup(net, mark, daddr, spi, proto, family);  in xfrm_state_lookup()
1825 			 u8 proto, unsigned short family)  in xfrm_state_lookup_byaddr()  argument
1830 	x = __xfrm_state_lookup_byaddr(net, mark, daddr, saddr, proto, family);  in xfrm_state_lookup_byaddr()
1839 	      const xfrm_address_t *saddr, int create, unsigned short family)  in xfrm_find_acq()  argument
1844 	x = __find_acq_core(net, mark, family, mode, reqid, if_id, proto, daddr, saddr, create);  in xfrm_find_acq()
1950 	       unsigned short family)  in xfrm_tmpl_sort()  argument
1954 	if (family == AF_INET6)  in xfrm_tmpl_sort()
1964 		unsigned short family)  in xfrm_state_sort()  argument
1968 	if (family == AF_INET6)  in xfrm_state_sort()
2066 		x0 = xfrm_state_lookup(net, mark, &x->id.daddr, minspi, x->id.proto, x->props.family);  in xfrm_alloc_spi()
2076 			x0 = xfrm_state_lookup(net, mark, &x->id.daddr, htonl(spi), x->id.proto, x->props.family);  in xfrm_alloc_spi()
2087 		h = xfrm_spi_hash(net, &x->id.daddr, x->id.spi, x->id.proto, x->props.family);  in xfrm_alloc_spi()
2105 		if ((filter->family == AF_INET ||  in __xfrm_state_filter_match()
2106 		     filter->family == AF_INET6) &&  in __xfrm_state_filter_match()
2107 		    x->props.family != filter->family)  in __xfrm_state_filter_match()
2506 	if (WARN_ON(afinfo->family >= NPROTO))  in xfrm_state_register_afinfo()
2510 	if (unlikely(xfrm_state_afinfo[afinfo->family] != NULL))  in xfrm_state_register_afinfo()
2513 		rcu_assign_pointer(xfrm_state_afinfo[afinfo->family], afinfo);  in xfrm_state_register_afinfo()
2521 	int err = 0, family = afinfo->family;  in xfrm_state_unregister_afinfo()  local
2523 	if (WARN_ON(family >= NPROTO))  in xfrm_state_unregister_afinfo()
2527 	if (likely(xfrm_state_afinfo[afinfo->family] != NULL)) {  in xfrm_state_unregister_afinfo()
2528 		if (rcu_access_pointer(xfrm_state_afinfo[family]) != afinfo)  in xfrm_state_unregister_afinfo()
2531 			RCU_INIT_POINTER(xfrm_state_afinfo[afinfo->family], NULL);  in xfrm_state_unregister_afinfo()
2539 struct xfrm_state_afinfo *xfrm_state_afinfo_get_rcu(unsigned int family)  in xfrm_state_afinfo_get_rcu()  argument
2541 	if (unlikely(family >= NPROTO))  in xfrm_state_afinfo_get_rcu()
2544 	return rcu_dereference(xfrm_state_afinfo[family]);  in xfrm_state_afinfo_get_rcu()
2548 struct xfrm_state_afinfo *xfrm_state_get_afinfo(unsigned int family)  in xfrm_state_get_afinfo()  argument
2551 	if (unlikely(family >= NPROTO))  in xfrm_state_get_afinfo()
2554 	afinfo = rcu_dereference(xfrm_state_afinfo[family]);  in xfrm_state_get_afinfo()
2597 		if (x->props.family == AF_INET)  in xfrm_state_mtu()
2599 		else if (x->props.family == AF_INET6)  in xfrm_state_mtu()
2619 	int family = x->props.family;  in __xfrm_init_state()  local
2622 	if (family == AF_INET &&  in __xfrm_init_state()
2628 	if (x->sel.family != AF_UNSPEC) {  in __xfrm_init_state()
2629 		inner_mode = xfrm_get_mode(x->props.mode, x->sel.family);  in __xfrm_init_state()
2636 		    family != x->sel.family) {  in __xfrm_init_state()
2637 			NL_SET_ERR_MSG(extack, "Only tunnel modes can accommodate a change of family");  in __xfrm_init_state()
2646 		inner_mode = xfrm_get_mode(x->props.mode, x->props.family);  in __xfrm_init_state()
2659 		if (x->props.family == AF_INET)  in __xfrm_init_state()
2669 	x->type = xfrm_get_type(x->id.proto, family);  in __xfrm_init_state()
2675 	x->type_offload = xfrm_get_type_offload(x->id.proto, family, offload);  in __xfrm_init_state()
2681 	outer_mode = xfrm_get_mode(x->props.mode, family);  in __xfrm_init_state()
2789 	switch (x->props.family) {  in xfrm_audit_helper_sainfo()
2803 static void xfrm_audit_helper_pktinfo(struct sk_buff *skb, u16 family,  in xfrm_audit_helper_pktinfo()  argument
2809 	switch (family) {  in xfrm_audit_helper_pktinfo()
2864 	xfrm_audit_helper_pktinfo(skb, x->props.family, audit_buf);  in xfrm_audit_state_replay_overflow()
2882 	xfrm_audit_helper_pktinfo(skb, x->props.family, audit_buf);  in xfrm_audit_state_replay()
2890 void xfrm_audit_state_notfound_simple(struct sk_buff *skb, u16 family)  in xfrm_audit_state_notfound_simple()  argument
2897 	xfrm_audit_helper_pktinfo(skb, family, audit_buf);  in xfrm_audit_state_notfound_simple()
2902 void xfrm_audit_state_notfound(struct sk_buff *skb, u16 family,  in xfrm_audit_state_notfound()  argument
2911 	xfrm_audit_helper_pktinfo(skb, family, audit_buf);  in xfrm_audit_state_notfound()
2929 	xfrm_audit_helper_pktinfo(skb, x->props.family, audit_buf);  in xfrm_audit_state_icvfail()