135 	struct nlmsghdr *nh;  in libbpf_netlink_recv()  local
166 		for (nh = (struct nlmsghdr *)iov.iov_base; NLMSG_OK(nh, len);  in libbpf_netlink_recv()
167 		     nh = NLMSG_NEXT(nh, len)) {  in libbpf_netlink_recv()
168 			if (nh->nlmsg_pid != nl_pid) {  in libbpf_netlink_recv()
172 			if (nh->nlmsg_seq != seq) {  in libbpf_netlink_recv()
176 			if (nh->nlmsg_flags & NLM_F_MULTI)  in libbpf_netlink_recv()
178 			switch (nh->nlmsg_type) {  in libbpf_netlink_recv()
180 				err = (struct nlmsgerr *)NLMSG_DATA(nh);  in libbpf_netlink_recv()
184 				libbpf_nla_dump_errormsg(nh);  in libbpf_netlink_recv()
193 				ret = _fn(nh, fn, cookie);  in libbpf_netlink_recv()
226 	req->nh.nlmsg_pid = 0;  in libbpf_netlink_send_recv()
227 	req->nh.nlmsg_seq = time(NULL);  in libbpf_netlink_send_recv()
229 	if (send(sock, req, req->nh.nlmsg_len, 0) < 0) {  in libbpf_netlink_send_recv()
234 	ret = libbpf_netlink_recv(sock, nl_pid, req->nh.nlmsg_seq,  in libbpf_netlink_send_recv()
249 	req.nh.nlmsg_len      = NLMSG_LENGTH(sizeof(struct ifinfomsg));  in __bpf_set_link_xdp_fd_replace()
250 	req.nh.nlmsg_flags    = NLM_F_REQUEST | NLM_F_ACK;  in __bpf_set_link_xdp_fd_replace()
251 	req.nh.nlmsg_type     = RTM_SETLINK;  in __bpf_set_link_xdp_fd_replace()
363 		.nh.nlmsg_len      = NLMSG_LENGTH(sizeof(struct ifinfomsg)),  in bpf_xdp_query()
364 		.nh.nlmsg_type     = RTM_GETLINK,  in bpf_xdp_query()
365 		.nh.nlmsg_flags    = NLM_F_DUMP | NLM_F_REQUEST,  in bpf_xdp_query()
486 	req.nh.nlmsg_len   = NLMSG_LENGTH(sizeof(struct tcmsg));  in tc_qdisc_modify()
487 	req.nh.nlmsg_flags = NLM_F_REQUEST | NLM_F_ACK | flags;  in tc_qdisc_modify()
488 	req.nh.nlmsg_type  = cmd;  in tc_qdisc_modify()
574 static int get_tc_info(struct nlmsghdr *nh, libbpf_dump_nlmsg_t fn,  in get_tc_info()  argument
577 	struct tcmsg *tc = NLMSG_DATA(nh);  in get_tc_info()
582 			 NLMSG_PAYLOAD(nh, sizeof(*tc)), NULL);  in get_tc_info()
585 	return __get_tc_info(cookie, tc, tb, nh->nlmsg_flags & NLM_F_ECHO);  in get_tc_info()
645 	req.nh.nlmsg_len   = NLMSG_LENGTH(sizeof(struct tcmsg));  in bpf_tc_attach()
646 	req.nh.nlmsg_flags = NLM_F_REQUEST | NLM_F_ACK | NLM_F_CREATE |  in bpf_tc_attach()
648 	req.nh.nlmsg_type  = RTM_NEWTFILTER;  in bpf_tc_attach()
721 	req.nh.nlmsg_len   = NLMSG_LENGTH(sizeof(struct tcmsg));  in __bpf_tc_detach()
722 	req.nh.nlmsg_flags = NLM_F_REQUEST | NLM_F_ACK;  in __bpf_tc_detach()
723 	req.nh.nlmsg_type  = RTM_DELTFILTER;  in __bpf_tc_detach()
788 	req.nh.nlmsg_len   = NLMSG_LENGTH(sizeof(struct tcmsg));  in bpf_tc_query()
789 	req.nh.nlmsg_flags = NLM_F_REQUEST;  in bpf_tc_query()
790 	req.nh.nlmsg_type  = RTM_GETTFILTER;  in bpf_tc_query()