177 	NETLINK_CB(new).portid = NETLINK_CB(skb).portid;  in netlink_to_full_skb()
178 	NETLINK_CB(new).dst_group = NETLINK_CB(skb).dst_group;  in netlink_to_full_skb()
179 	NETLINK_CB(new).creds = NETLINK_CB(skb).creds;  in netlink_to_full_skb()
904 	return __netlink_ns_capable(&NETLINK_CB(skb), user_ns, cap);  in netlink_ns_capable()
1340 		NETLINK_CB(skb).sk = ssk;  in netlink_unicast_kernel()
1408 	return nlk_test_bit(STRICT_CHK, NETLINK_CB(skb).sk);  in netlink_strict_get_check()
1503 	NETLINK_CB(p->skb2).nsid = peernet2id(sock_net(sk), p->net);  in do_one_broadcast()
1504 	if (NETLINK_CB(p->skb2).nsid != NETNSA_NSID_NOT_ASSIGNED)  in do_one_broadcast()
1505 		NETLINK_CB(p->skb2).nsid_is_set = true;  in do_one_broadcast()
1814 	info.group = NETLINK_CB(skb).dst_group;  in netlink_cmsg_recv_pktinfo()
1821 	if (!NETLINK_CB(skb).nsid_is_set)  in netlink_cmsg_listen_all_nsid()
1825 		 &NETLINK_CB(skb).nsid);  in netlink_cmsg_listen_all_nsid()
1889 	NETLINK_CB(skb).portid	= nlk->portid;  in netlink_sendmsg()
1890 	NETLINK_CB(skb).dst_group = dst_group;  in netlink_sendmsg()
1891 	NETLINK_CB(skb).creds	= scm.creds;  in netlink_sendmsg()
1892 	NETLINK_CB(skb).flags	= netlink_skb_flags;  in netlink_sendmsg()
1973 		addr->nl_pid	= NETLINK_CB(skb).portid;  in netlink_recvmsg()
1974 		addr->nl_groups	= netlink_group_mask(NETLINK_CB(skb).dst_group);  in netlink_recvmsg()
2328 	sk = netlink_lookup(sock_net(ssk), ssk->sk_protocol, NETLINK_CB(skb).portid);  in __netlink_dump_start()
2357 	cb->strict_check = nlk_test_bit(STRICT_CHK, NETLINK_CB(skb).sk);  in __netlink_dump_start()
2465 	struct netlink_sock *nlk = nlk_sk(NETLINK_CB(in_skb).sk);  in netlink_ack()
2486 	rep = nlmsg_put(skb, NETLINK_CB(in_skb).portid, nlh->nlmsg_seq,  in netlink_ack()
2507 	nlmsg_unicast(in_skb->sk, skb, NETLINK_CB(in_skb).portid);  in netlink_ack()
2514 	WRITE_ONCE(NETLINK_CB(in_skb).sk->sk_err, ENOBUFS);  in netlink_ack()
2515 	sk_error_report(NETLINK_CB(in_skb).sk);  in netlink_ack()