437 	u8 ack = 0, flags, annotation = 0;  in rxrpc_input_data()  local
476 		ack = RXRPC_ACK_EXCEEDS_WINDOW;  in rxrpc_input_data()
478 		goto ack;  in rxrpc_input_data()
484 			ack = RXRPC_ACK_NOSPACE;  in rxrpc_input_data()
486 			goto ack;  in rxrpc_input_data()
514 		ack = RXRPC_ACK_DUPLICATE;  in rxrpc_input_data()
519 	if (flags & RXRPC_REQUEST_ACK && !ack) {  in rxrpc_input_data()
520 		ack = RXRPC_ACK_REQUESTED;  in rxrpc_input_data()
526 		if (ack != RXRPC_ACK_DUPLICATE) {  in rxrpc_input_data()
527 			ack = RXRPC_ACK_DUPLICATE;  in rxrpc_input_data()
550 		if (!ack) {  in rxrpc_input_data()
551 			ack = RXRPC_ACK_DELAY;  in rxrpc_input_data()
567 			ack = RXRPC_ACK_OUT_OF_SEQUENCE;  in rxrpc_input_data()
587 			ack = RXRPC_ACK_EXCEEDS_WINDOW;  in rxrpc_input_data()
593 			goto ack;  in rxrpc_input_data()
600 	if (queued && flags & RXRPC_LAST_PACKET && !ack) {  in rxrpc_input_data()
601 		ack = RXRPC_ACK_DELAY;  in rxrpc_input_data()
605 ack:  in rxrpc_input_data()
606 	if (ack)  in rxrpc_input_data()
607 		rxrpc_propose_ACK(call, ack, skew, ack_serial,  in rxrpc_input_data()
835 		struct rxrpc_ackpacket ack;  in rxrpc_input_ack()  member
846 	if (skb_copy_bits(skb, offset, &buf.ack, sizeof(buf.ack)) < 0) {  in rxrpc_input_ack()
850 	offset += sizeof(buf.ack);  in rxrpc_input_ack()
852 	acked_serial = ntohl(buf.ack.serial);  in rxrpc_input_ack()
853 	first_soft_ack = ntohl(buf.ack.firstPacket);  in rxrpc_input_ack()
855 	nr_acks = buf.ack.nAcks;  in rxrpc_input_ack()
856 	summary.ack_reason = (buf.ack.reason < RXRPC_ACK__INVALID ?  in rxrpc_input_ack()
857 			      buf.ack.reason : RXRPC_ACK__INVALID);  in rxrpc_input_ack()
860 			   first_soft_ack, ntohl(buf.ack.previousPacket),  in rxrpc_input_ack()
863 	if (buf.ack.reason == RXRPC_ACK_PING_RESPONSE)  in rxrpc_input_ack()
866 	if (buf.ack.reason == RXRPC_ACK_REQUESTED)  in rxrpc_input_ack()
870 	if (buf.ack.reason == RXRPC_ACK_PING) {  in rxrpc_input_ack()