231 	} req;  in iprule_modify()  local
233 	memset(&req, 0, sizeof(req));  in iprule_modify()
235 	req.n.nlmsg_type = cmd;  in iprule_modify()
236 	req.n.nlmsg_len = NLMSG_LENGTH(sizeof(struct rtmsg));  in iprule_modify()
237 	req.n.nlmsg_flags = NLM_F_REQUEST;  in iprule_modify()
238 	req.r.rtm_family = preferred_family;  in iprule_modify()
239 	req.r.rtm_protocol = RTPROT_BOOT;  in iprule_modify()
240 	req.r.rtm_scope = RT_SCOPE_UNIVERSE;  in iprule_modify()
241 	req.r.rtm_table = 0;  in iprule_modify()
242 	req.r.rtm_type = RTN_UNSPEC;  in iprule_modify()
243 	req.r.rtm_flags = 0;  in iprule_modify()
246 		req.n.nlmsg_flags |= NLM_F_CREATE|NLM_F_EXCL;  in iprule_modify()
247 		req.r.rtm_type = RTN_UNICAST;  in iprule_modify()
252 			req.r.rtm_flags |= FIB_RULE_INVERT;  in iprule_modify()
256 			get_prefix(&dst, *argv, req.r.rtm_family);  in iprule_modify()
257 			req.r.rtm_src_len = dst.bitlen;  in iprule_modify()
258 			addattr_l(&req.n, sizeof(req), FRA_SRC, &dst.data, dst.bytelen);  in iprule_modify()
262 			get_prefix(&dst, *argv, req.r.rtm_family);  in iprule_modify()
263 			req.r.rtm_dst_len = dst.bitlen;  in iprule_modify()
264 			addattr_l(&req.n, sizeof(req), FRA_DST, &dst.data, dst.bytelen);  in iprule_modify()
272 			addattr32(&req.n, sizeof(req), FRA_PRIORITY, pref);  in iprule_modify()
279 			req.r.rtm_tos = tos;  in iprule_modify()
288 			addattr32(&req.n, sizeof(req), FRA_FWMARK, fwmark);  in iprule_modify()
292 				addattr32(&req.n, sizeof(req), FRA_FWMASK, fwmask);  in iprule_modify()
299 			addattr32(&req.n, sizeof(req), FRA_FLOW, realm);  in iprule_modify()
307 				req.r.rtm_table = tid;  in iprule_modify()
309 				req.r.rtm_table = RT_TABLE_UNSPEC;  in iprule_modify()
310 				addattr32(&req.n, sizeof(req), FRA_TABLE, tid);  in iprule_modify()
316 			addattr_l(&req.n, sizeof(req), FRA_IFNAME, *argv, strlen(*argv)+1);  in iprule_modify()
319 			addattr_l(&req.n, sizeof(req), FRA_OIFNAME, *argv, strlen(*argv)+1);  in iprule_modify()
324 			addattr32(&req.n, sizeof(req), RTA_GATEWAY, get_addr32(*argv));  in iprule_modify()
325 			req.r.rtm_type = RTN_NAT;  in iprule_modify()
340 				addattr32(&req.n, sizeof(req), FRA_GOTO, target);  in iprule_modify()
345 			req.r.rtm_type = type;  in iprule_modify()
352 	if (req.r.rtm_family == AF_UNSPEC)  in iprule_modify()
353 		req.r.rtm_family = AF_INET;  in iprule_modify()
356 		req.r.rtm_table = RT_TABLE_MAIN;  in iprule_modify()
358 	if (rtnl_talk(&rth, &req.n, 0, 0, NULL, NULL, NULL) < 0)  in iprule_modify()