436 	u8 ack = 0;  in rxrpc_input_data()  local
478 			ack = RXRPC_ACK_NOSPACE;  in rxrpc_input_data()
480 			goto ack;  in rxrpc_input_data()
519 			ack = RXRPC_ACK_DUPLICATE;  in rxrpc_input_data()
527 			if (ack != RXRPC_ACK_DUPLICATE) {  in rxrpc_input_data()
528 				ack = RXRPC_ACK_DUPLICATE;  in rxrpc_input_data()
536 			ack = RXRPC_ACK_EXCEEDS_WINDOW;  in rxrpc_input_data()
545 			goto ack;  in rxrpc_input_data()
548 		if (flags & RXRPC_REQUEST_ACK && !ack) {  in rxrpc_input_data()
549 			ack = RXRPC_ACK_REQUESTED;  in rxrpc_input_data()
570 			if (!ack) {  in rxrpc_input_data()
571 				ack = RXRPC_ACK_DELAY;  in rxrpc_input_data()
587 			if (!ack) {  in rxrpc_input_data()
588 				ack = RXRPC_ACK_DELAY;  in rxrpc_input_data()
599 				ack = RXRPC_ACK_OUT_OF_SEQUENCE;  in rxrpc_input_data()
606 ack:  in rxrpc_input_data()
607 	if (ack)  in rxrpc_input_data()
608 		rxrpc_propose_ACK(call, ack, ack_serial,  in rxrpc_input_data()
836 		struct rxrpc_ackpacket ack;  in rxrpc_input_ack()  member
847 	if (skb_copy_bits(skb, offset, &buf.ack, sizeof(buf.ack)) < 0) {  in rxrpc_input_ack()
851 	offset += sizeof(buf.ack);  in rxrpc_input_ack()
853 	acked_serial = ntohl(buf.ack.serial);  in rxrpc_input_ack()
854 	first_soft_ack = ntohl(buf.ack.firstPacket);  in rxrpc_input_ack()
855 	prev_pkt = ntohl(buf.ack.previousPacket);  in rxrpc_input_ack()
857 	nr_acks = buf.ack.nAcks;  in rxrpc_input_ack()
858 	summary.ack_reason = (buf.ack.reason < RXRPC_ACK__INVALID ?  in rxrpc_input_ack()
859 			      buf.ack.reason : RXRPC_ACK__INVALID);  in rxrpc_input_ack()
865 	if (buf.ack.reason == RXRPC_ACK_PING_RESPONSE)  in rxrpc_input_ack()
868 	if (buf.ack.reason == RXRPC_ACK_REQUESTED)  in rxrpc_input_ack()
872 	if (buf.ack.reason == RXRPC_ACK_PING) {  in rxrpc_input_ack()