83 static inline u8 llc_ui_addr_null(struct sockaddr_llc *addr)  in llc_ui_addr_null()  argument
85 	return !memcmp(addr, &llc_ui_addrnull, sizeof(*addr));  in llc_ui_addr_null()
97 static inline u8 llc_ui_header_len(struct sock *sk, struct sockaddr_llc *addr)  in llc_ui_header_len()  argument
101 	if (addr->sllc_test || addr->sllc_xid)  in llc_ui_header_len()
267 static int llc_ui_autobind(struct socket *sock, struct sockaddr_llc *addr)  in llc_ui_autobind()  argument
279 		if (llc->dev && addr->sllc_arphrd != llc->dev->type) {  in llc_ui_autobind()
284 		llc->dev = dev_getfirstbyhwtype(&init_net, addr->sllc_arphrd);  in llc_ui_autobind()
296 	memcpy(&llc->addr, addr, sizeof(llc->addr));  in llc_ui_autobind()
321 	struct sockaddr_llc *addr = (struct sockaddr_llc *)uaddr;  in llc_ui_bind()  local
328 	if (unlikely(!sock_flag(sk, SOCK_ZAPPED) || addrlen != sizeof(*addr)))  in llc_ui_bind()
331 	if (unlikely(addr->sllc_family != AF_LLC))  in llc_ui_bind()
333 	dprintk("%s: binding %02X\n", __func__, addr->sllc_sap);  in llc_ui_bind()
339 			if (!addr->sllc_arphrd)  in llc_ui_bind()
340 				addr->sllc_arphrd = llc->dev->type;  in llc_ui_bind()
341 			if (is_zero_ether_addr(addr->sllc_mac))  in llc_ui_bind()
342 				memcpy(addr->sllc_mac, llc->dev->dev_addr,  in llc_ui_bind()
344 			if (addr->sllc_arphrd != llc->dev->type ||  in llc_ui_bind()
345 			    !ether_addr_equal(addr->sllc_mac,  in llc_ui_bind()
352 		llc->dev = dev_getbyhwaddr_rcu(&init_net, addr->sllc_arphrd,  in llc_ui_bind()
353 					   addr->sllc_mac);  in llc_ui_bind()
359 	if (!addr->sllc_sap) {  in llc_ui_bind()
361 		addr->sllc_sap = llc_ui_autoport();  in llc_ui_bind()
362 		if (!addr->sllc_sap)  in llc_ui_bind()
365 	sap = llc_sap_find(addr->sllc_sap);  in llc_ui_bind()
367 		sap = llc_sap_open(addr->sllc_sap, NULL);  in llc_ui_bind()
381 		memcpy(laddr.mac, addr->sllc_mac, IFHWADDRLEN);  in llc_ui_bind()
382 		laddr.lsap = addr->sllc_sap;  in llc_ui_bind()
390 	llc->laddr.lsap = addr->sllc_sap;  in llc_ui_bind()
391 	memcpy(llc->laddr.mac, addr->sllc_mac, IFHWADDRLEN);  in llc_ui_bind()
392 	memcpy(&llc->addr, addr, sizeof(llc->addr));  in llc_ui_bind()
455 	struct sockaddr_llc *addr = (struct sockaddr_llc *)uaddr;  in llc_ui_connect()  local
459 	if (unlikely(addrlen != sizeof(*addr)))  in llc_ui_connect()
462 	if (unlikely(addr->sllc_family != AF_LLC))  in llc_ui_connect()
472 		rc = llc_ui_autobind(sock, addr);  in llc_ui_connect()
476 	llc->daddr.lsap = addr->sllc_sap;  in llc_ui_connect()
477 	memcpy(llc->daddr.mac, addr->sllc_mac, IFHWADDRLEN);  in llc_ui_connect()
482 				      addr->sllc_mac, addr->sllc_sap);  in llc_ui_connect()
703 	memcpy(&newllc->addr, &llc->addr, sizeof(newllc->addr));  in llc_ui_accept()
710 		llc_sk(sk)->addr.sllc_sap, newllc->daddr.lsap);  in llc_ui_accept()
903 	DECLARE_SOCKADDR(struct sockaddr_llc *, addr, msg->msg_name);  in llc_ui_sendmsg()
913 	if (addr) {  in llc_ui_sendmsg()
914 		if (msg->msg_namelen < sizeof(*addr))  in llc_ui_sendmsg()
917 		if (llc_ui_addr_null(&llc->addr))  in llc_ui_sendmsg()
919 		addr = &llc->addr;  in llc_ui_sendmsg()
924 		rc = llc_ui_autobind(sock, addr);  in llc_ui_sendmsg()
928 	hdrlen = llc->dev->hard_header_len + llc_ui_header_len(sk, addr);  in llc_ui_sendmsg()
942 	skb->protocol = llc_proto_type(addr->sllc_arphrd);  in llc_ui_sendmsg()
947 	if (sk->sk_type == SOCK_DGRAM || addr->sllc_ua) {  in llc_ui_sendmsg()
948 		llc_build_and_send_ui_pkt(llc->sap, skb, addr->sllc_mac,  in llc_ui_sendmsg()
949 					  addr->sllc_sap);  in llc_ui_sendmsg()
953 	if (addr->sllc_test) {  in llc_ui_sendmsg()
954 		llc_build_and_send_test_pkt(llc->sap, skb, addr->sllc_mac,  in llc_ui_sendmsg()
955 					    addr->sllc_sap);  in llc_ui_sendmsg()
959 	if (addr->sllc_xid) {  in llc_ui_sendmsg()
960 		llc_build_and_send_xid_pkt(llc->sap, skb, addr->sllc_mac,  in llc_ui_sendmsg()
961 					   addr->sllc_sap);  in llc_ui_sendmsg()
966 	if (!(sk->sk_type == SOCK_STREAM && !addr->sllc_ua))  in llc_ui_sendmsg()