96 	struct nlmsghdr *nh;  in libbpf_netlink_recv()  local
112 		for (nh = (struct nlmsghdr *)buf; NLMSG_OK(nh, len);  in libbpf_netlink_recv()
113 		     nh = NLMSG_NEXT(nh, len)) {  in libbpf_netlink_recv()
114 			if (nh->nlmsg_pid != nl_pid) {  in libbpf_netlink_recv()
118 			if (nh->nlmsg_seq != seq) {  in libbpf_netlink_recv()
122 			if (nh->nlmsg_flags & NLM_F_MULTI)  in libbpf_netlink_recv()
124 			switch (nh->nlmsg_type) {  in libbpf_netlink_recv()
126 				err = (struct nlmsgerr *)NLMSG_DATA(nh);  in libbpf_netlink_recv()
130 				libbpf_nla_dump_errormsg(nh);  in libbpf_netlink_recv()
138 				ret = _fn(nh, fn, cookie);  in libbpf_netlink_recv()
169 	req->nh.nlmsg_pid = 0;  in libbpf_netlink_send_recv()
170 	req->nh.nlmsg_seq = time(NULL);  in libbpf_netlink_send_recv()
172 	if (send(sock, req, req->nh.nlmsg_len, 0) < 0) {  in libbpf_netlink_send_recv()
177 	ret = libbpf_netlink_recv(sock, nl_pid, req->nh.nlmsg_seq,  in libbpf_netlink_send_recv()
192 	req.nh.nlmsg_len      = NLMSG_LENGTH(sizeof(struct ifinfomsg));  in __bpf_set_link_xdp_fd_replace()
193 	req.nh.nlmsg_flags    = NLM_F_REQUEST | NLM_F_ACK;  in __bpf_set_link_xdp_fd_replace()
194 	req.nh.nlmsg_type     = RTM_SETLINK;  in __bpf_set_link_xdp_fd_replace()
331 		.nh.nlmsg_len      = NLMSG_LENGTH(sizeof(struct ifinfomsg)),  in bpf_xdp_query()
332 		.nh.nlmsg_type     = RTM_GETLINK,  in bpf_xdp_query()
333 		.nh.nlmsg_flags    = NLM_F_DUMP | NLM_F_REQUEST,  in bpf_xdp_query()
483 	req.nh.nlmsg_len   = NLMSG_LENGTH(sizeof(struct tcmsg));  in tc_qdisc_modify()
484 	req.nh.nlmsg_flags = NLM_F_REQUEST | NLM_F_ACK | flags;  in tc_qdisc_modify()
485 	req.nh.nlmsg_type  = cmd;  in tc_qdisc_modify()
571 static int get_tc_info(struct nlmsghdr *nh, libbpf_dump_nlmsg_t fn,  in get_tc_info()  argument
574 	struct tcmsg *tc = NLMSG_DATA(nh);  in get_tc_info()
579 			 NLMSG_PAYLOAD(nh, sizeof(*tc)), NULL);  in get_tc_info()
582 	return __get_tc_info(cookie, tc, tb, nh->nlmsg_flags & NLM_F_ECHO);  in get_tc_info()
641 	req.nh.nlmsg_len   = NLMSG_LENGTH(sizeof(struct tcmsg));  in bpf_tc_attach()
642 	req.nh.nlmsg_flags = NLM_F_REQUEST | NLM_F_ACK | NLM_F_CREATE |  in bpf_tc_attach()
644 	req.nh.nlmsg_type  = RTM_NEWTFILTER;  in bpf_tc_attach()
717 	req.nh.nlmsg_len   = NLMSG_LENGTH(sizeof(struct tcmsg));  in __bpf_tc_detach()
718 	req.nh.nlmsg_flags = NLM_F_REQUEST | NLM_F_ACK;  in __bpf_tc_detach()
719 	req.nh.nlmsg_type  = RTM_DELTFILTER;  in __bpf_tc_detach()
784 	req.nh.nlmsg_len   = NLMSG_LENGTH(sizeof(struct tcmsg));  in bpf_tc_query()
785 	req.nh.nlmsg_flags = NLM_F_REQUEST;  in bpf_tc_query()
786 	req.nh.nlmsg_type  = RTM_GETTFILTER;  in bpf_tc_query()