53 #define for_nexthops(fi) { int nhsel; const struct dn_fib_nh *nh;\
54 	for(nhsel = 0, nh = (fi)->fib_nh; nhsel < (fi)->fib_nhs; nh++, nhsel++)
56 #define change_nexthops(fi) { int nhsel; struct dn_fib_nh *nh;\
57 	for(nhsel = 0, nh = (struct dn_fib_nh *)((fi)->fib_nh); nhsel < (fi)->fib_nhs; nh++, nhsel++)
95 		if (nh->nh_dev)  in dn_fib_free_info()
96 			dev_put(nh->nh_dev);  in dn_fib_free_info()
97 		nh->nh_dev = NULL;  in dn_fib_free_info()
123 		if (nh->nh_oif != onh->nh_oif ||  in dn_fib_nh_comp()
124 			nh->nh_gw != onh->nh_gw ||  in dn_fib_nh_comp()
125 			nh->nh_scope != onh->nh_scope ||  in dn_fib_nh_comp()
126 			nh->nh_weight != onh->nh_weight ||  in dn_fib_nh_comp()
127 			((nh->nh_flags^onh->nh_flags)&~RTNH_F_DEAD))  in dn_fib_nh_comp()
176 		nh->nh_flags  = (r->rtm_flags&~0xFF) | nhp->rtnh_flags;  in dn_fib_get_nhs()
177 		nh->nh_oif    = nhp->rtnh_ifindex;  in dn_fib_get_nhs()
178 		nh->nh_weight = nhp->rtnh_hops + 1;  in dn_fib_get_nhs()
185 			nh->nh_gw = gw_attr ? nla_get_le16(gw_attr) : 0;  in dn_fib_get_nhs()
195 static int dn_fib_check_nh(const struct rtmsg *r, struct dn_fib_info *fi, struct dn_fib_nh *nh)  in dn_fib_check_nh()  argument
199 	if (nh->nh_gw) {  in dn_fib_check_nh()
203 		if (nh->nh_flags&RTNH_F_ONLINK) {  in dn_fib_check_nh()
208 			if (dnet_addr_type(nh->nh_gw) != RTN_UNICAST)  in dn_fib_check_nh()
210 			if ((dev = __dev_get_by_index(&init_net, nh->nh_oif)) == NULL)  in dn_fib_check_nh()
214 			nh->nh_dev = dev;  in dn_fib_check_nh()
216 			nh->nh_scope = RT_SCOPE_LINK;  in dn_fib_check_nh()
221 		fld.daddr = nh->nh_gw;  in dn_fib_check_nh()
222 		fld.flowidn_oif = nh->nh_oif;  in dn_fib_check_nh()
234 		nh->nh_scope = res.scope;  in dn_fib_check_nh()
235 		nh->nh_oif = DN_FIB_RES_OIF(res);  in dn_fib_check_nh()
236 		nh->nh_dev = DN_FIB_RES_DEV(res);  in dn_fib_check_nh()
237 		if (nh->nh_dev == NULL)  in dn_fib_check_nh()
239 		dev_hold(nh->nh_dev);  in dn_fib_check_nh()
241 		if (!(nh->nh_dev->flags & IFF_UP))  in dn_fib_check_nh()
250 		if (nh->nh_flags&(RTNH_F_PERVASIVE|RTNH_F_ONLINK))  in dn_fib_check_nh()
253 		dev = __dev_get_by_index(&init_net, nh->nh_oif);  in dn_fib_check_nh()
258 		nh->nh_dev = dev;  in dn_fib_check_nh()
259 		dev_hold(nh->nh_dev);  in dn_fib_check_nh()
260 		nh->nh_scope = RT_SCOPE_HOST;  in dn_fib_check_nh()
329 		struct dn_fib_nh *nh = fi->fib_nh;  in dn_fib_create_info()  local
332 			nh->nh_oif = nla_get_u32(attrs[RTA_OIF]);  in dn_fib_create_info()
335 			nh->nh_gw = nla_get_le16(attrs[RTA_GATEWAY]);  in dn_fib_create_info()
337 		nh->nh_flags = r->rtm_flags;  in dn_fib_create_info()
338 		nh->nh_weight = 1;  in dn_fib_create_info()
360 		struct dn_fib_nh *nh = fi->fib_nh;  in dn_fib_create_info()  local
363 		if (nhs != 1 || nh->nh_gw)  in dn_fib_create_info()
365 		nh->nh_scope = RT_SCOPE_NOWHERE;  in dn_fib_create_info()
366 		nh->nh_dev = dev_get_by_index(&init_net, fi->fib_nh->nh_oif);  in dn_fib_create_info()
368 		if (nh->nh_dev == NULL)  in dn_fib_create_info()
372 			if ((err = dn_fib_check_nh(r, fi, nh)) != 0)  in dn_fib_create_info()
434 				if (nh->nh_flags & RTNH_F_DEAD)  in dn_fib_semantic_match()
437 				    fld->flowidn_oif == nh->nh_oif)  in dn_fib_semantic_match()
467 			if (!(nh->nh_flags&RTNH_F_DEAD)) {  in dn_fib_select_multipath()
468 				power += nh->nh_weight;  in dn_fib_select_multipath()
469 				nh->nh_power = nh->nh_weight;  in dn_fib_select_multipath()
483 		if (!(nh->nh_flags&RTNH_F_DEAD) && nh->nh_power) {  in dn_fib_select_multipath()
484 			if ((w -= nh->nh_power) <= 0) {  in dn_fib_select_multipath()
485 				nh->nh_power--;  in dn_fib_select_multipath()
719 				if (nh->nh_flags&RTNH_F_DEAD)  in dn_fib_sync_down()
721 				else if (nh->nh_dev == dev &&  in dn_fib_sync_down()
722 						nh->nh_scope != scope) {  in dn_fib_sync_down()
724 					nh->nh_flags |= RTNH_F_DEAD;  in dn_fib_sync_down()
725 					fi->fib_power -= nh->nh_power;  in dn_fib_sync_down()
726 					nh->nh_power = 0;  in dn_fib_sync_down()
752 			if (!(nh->nh_flags&RTNH_F_DEAD)) {  in dn_fib_sync_up()
756 			if (nh->nh_dev == NULL || !(nh->nh_dev->flags&IFF_UP))  in dn_fib_sync_up()
758 			if (nh->nh_dev != dev || dev->dn_ptr == NULL)  in dn_fib_sync_up()
762 			nh->nh_power = 0;  in dn_fib_sync_up()
763 			nh->nh_flags &= ~RTNH_F_DEAD;  in dn_fib_sync_up()