143 	struct nlmsghdr *nh;  in libbpf_netlink_recv()  local
174 		for (nh = (struct nlmsghdr *)iov.iov_base; NLMSG_OK(nh, len);  in libbpf_netlink_recv()
175 		     nh = NLMSG_NEXT(nh, len)) {  in libbpf_netlink_recv()
176 			if (nh->nlmsg_pid != nl_pid) {  in libbpf_netlink_recv()
180 			if (nh->nlmsg_seq != seq) {  in libbpf_netlink_recv()
184 			if (nh->nlmsg_flags & NLM_F_MULTI)  in libbpf_netlink_recv()
186 			switch (nh->nlmsg_type) {  in libbpf_netlink_recv()
188 				err = (struct nlmsgerr *)NLMSG_DATA(nh);  in libbpf_netlink_recv()
192 				libbpf_nla_dump_errormsg(nh);  in libbpf_netlink_recv()
201 				ret = _fn(nh, fn, cookie);  in libbpf_netlink_recv()
234 	req->nh.nlmsg_pid = 0;  in libbpf_netlink_send_recv()
235 	req->nh.nlmsg_seq = time(NULL);  in libbpf_netlink_send_recv()
237 	if (send(sock, req, req->nh.nlmsg_len, 0) < 0) {  in libbpf_netlink_send_recv()
242 	ret = libbpf_netlink_recv(sock, nl_pid, req->nh.nlmsg_seq,  in libbpf_netlink_send_recv()
249 static int parse_genl_family_id(struct nlmsghdr *nh, libbpf_dump_nlmsg_t fn,  in parse_genl_family_id()  argument
252 	struct genlmsghdr *gnl = NLMSG_DATA(nh);  in parse_genl_family_id()
258 			 NLMSG_PAYLOAD(nh, sizeof(*gnl)), NULL);  in parse_genl_family_id()
270 		.nh.nlmsg_len	= NLMSG_LENGTH(GENL_HDRLEN),  in libbpf_netlink_resolve_genl_family_id()
271 		.nh.nlmsg_type	= GENL_ID_CTRL,  in libbpf_netlink_resolve_genl_family_id()
272 		.nh.nlmsg_flags	= NLM_F_REQUEST,  in libbpf_netlink_resolve_genl_family_id()
294 	req.nh.nlmsg_len      = NLMSG_LENGTH(sizeof(struct ifinfomsg));  in __bpf_set_link_xdp_fd_replace()
295 	req.nh.nlmsg_flags    = NLM_F_REQUEST | NLM_F_ACK;  in __bpf_set_link_xdp_fd_replace()
296 	req.nh.nlmsg_type     = RTM_SETLINK;  in __bpf_set_link_xdp_fd_replace()
405 static int parse_xdp_features(struct nlmsghdr *nh, libbpf_dump_nlmsg_t fn,  in parse_xdp_features()  argument
408 	struct genlmsghdr *gnl = NLMSG_DATA(nh);  in parse_xdp_features()
415 			 NLMSG_PAYLOAD(nh, sizeof(*gnl)), NULL);  in parse_xdp_features()
434 		.nh.nlmsg_len      = NLMSG_LENGTH(sizeof(struct ifinfomsg)),  in bpf_xdp_query()
435 		.nh.nlmsg_type     = RTM_GETLINK,  in bpf_xdp_query()
436 		.nh.nlmsg_flags    = NLM_F_DUMP | NLM_F_REQUEST,  in bpf_xdp_query()
484 	req.nh.nlmsg_len = NLMSG_LENGTH(GENL_HDRLEN);  in bpf_xdp_query()
485 	req.nh.nlmsg_flags = NLM_F_REQUEST;  in bpf_xdp_query()
486 	req.nh.nlmsg_type = id;  in bpf_xdp_query()
593 	req.nh.nlmsg_len   = NLMSG_LENGTH(sizeof(struct tcmsg));  in tc_qdisc_modify()
594 	req.nh.nlmsg_flags = NLM_F_REQUEST | NLM_F_ACK | flags;  in tc_qdisc_modify()
595 	req.nh.nlmsg_type  = cmd;  in tc_qdisc_modify()
681 static int get_tc_info(struct nlmsghdr *nh, libbpf_dump_nlmsg_t fn,  in get_tc_info()  argument
684 	struct tcmsg *tc = NLMSG_DATA(nh);  in get_tc_info()
689 			 NLMSG_PAYLOAD(nh, sizeof(*tc)), NULL);  in get_tc_info()
692 	return __get_tc_info(cookie, tc, tb, nh->nlmsg_flags & NLM_F_ECHO);  in get_tc_info()
752 	req.nh.nlmsg_len   = NLMSG_LENGTH(sizeof(struct tcmsg));  in bpf_tc_attach()
753 	req.nh.nlmsg_flags = NLM_F_REQUEST | NLM_F_ACK | NLM_F_CREATE |  in bpf_tc_attach()
755 	req.nh.nlmsg_type  = RTM_NEWTFILTER;  in bpf_tc_attach()
829 	req.nh.nlmsg_len   = NLMSG_LENGTH(sizeof(struct tcmsg));  in __bpf_tc_detach()
830 	req.nh.nlmsg_flags = NLM_F_REQUEST | NLM_F_ACK;  in __bpf_tc_detach()
831 	req.nh.nlmsg_type  = RTM_DELTFILTER;  in __bpf_tc_detach()
896 	req.nh.nlmsg_len   = NLMSG_LENGTH(sizeof(struct tcmsg));  in bpf_tc_query()
897 	req.nh.nlmsg_flags = NLM_F_REQUEST;  in bpf_tc_query()
898 	req.nh.nlmsg_type  = RTM_GETTFILTER;  in bpf_tc_query()