Commit b874dec2 authored by Samuel Ortiz's avatar Samuel Ortiz
Browse files

NFC: Implement LLCP connection less Tx path 



It simply involves getting the client dsap and ssap and calling the UI
frame building and sending routine.

Signed-off-by: default avatarSamuel Ortiz <sameo@linux.intel.com>
parent 94f418a2

net/nfc/llcp/sock.c

+19 −0
Original line number Diff line number Diff line
@@ -608,6 +608,25 @@ static int llcp_sock_sendmsg(struct kiocb *iocb, struct socket *sock, 


	lock_sock(sk);



	if (sk->sk_type == SOCK_DGRAM) {

		struct sockaddr_nfc_llcp *addr =

			(struct sockaddr_nfc_llcp *)msg->msg_name;



		if (msg->msg_namelen < sizeof(*addr)) {

			release_sock(sk);



			pr_err("Invalid socket address length %d\n",

			       msg->msg_namelen);



			return -EINVAL;

		}



		release_sock(sk);



		return nfc_llcp_send_ui_frame(llcp_sock, addr->dsap, addr->ssap,

					      msg, len);

	}



	if (sk->sk_state != LLCP_CONNECTED) {

		release_sock(sk);

		return -ENOTCONN;