brintos

brintos / linux-shallow public Read only

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1/* SPDX-License-Identifier: GPL-2.0 */2/*3 * This file is based on code from OCTEON SDK by Cavium Networks.4 *5 * Copyright (c) 2003-2007 Cavium Networks6 */7 8/**9 * cvm_oct_get_buffer_ptr - convert packet data address to pointer10 * @packet_ptr: Packet data hardware address11 *12 * Returns Packet buffer pointer13 */14static inline void *cvm_oct_get_buffer_ptr(union cvmx_buf_ptr packet_ptr)15{16	return cvmx_phys_to_ptr(((packet_ptr.s.addr >> 7) - packet_ptr.s.back)17				<< 7);18}19 20/**21 * INTERFACE - convert IPD port to logical interface22 * @ipd_port: Port to check23 *24 * Returns Logical interface25 */26static inline int INTERFACE(int ipd_port)27{28	int interface;29 30	if (ipd_port == CVMX_PIP_NUM_INPUT_PORTS)31		return 10;32	interface = cvmx_helper_get_interface_num(ipd_port);33	if (interface >= 0)34		return interface;35	panic("Illegal ipd_port %d passed to %s\n", ipd_port, __func__);36}37 38/**39 * INDEX - convert IPD/PKO port number to the port's interface index40 * @ipd_port: Port to check41 *42 * Returns Index into interface port list43 */44static inline int INDEX(int ipd_port)45{46	return cvmx_helper_get_interface_index_num(ipd_port);47}48