1/********************************************************************** 2 * Author: Cavium Networks 3 * 4 * Contact: support@caviumnetworks.com 5 * This file is part of the OCTEON SDK 6 * 7 * Copyright (c) 2003-2007 Cavium Networks 8 * 9 * This file is free software; you can redistribute it and/or modify 10 * it under the terms of the GNU General Public License, Version 2, as 11 * published by the Free Software Foundation. 12 * 13 * This file is distributed in the hope that it will be useful, but 14 * AS-IS and WITHOUT ANY WARRANTY; without even the implied warranty 15 * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, TITLE, or 16 * NONINFRINGEMENT. See the GNU General Public License for more 17 * details. 18 * 19 * You should have received a copy of the GNU General Public License 20 * along with this file; if not, write to the Free Software 21 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA 22 * or visit http://www.gnu.org/licenses/. 23 * 24 * This file may also be available under a different license from Cavium. 25 * Contact Cavium Networks for more information 26*********************************************************************/ 27 28/** 29 * cvm_oct_get_buffer_ptr - convert packet data address to pointer 30 * @packet_ptr: Packet data hardware address 31 * 32 * Returns Packet buffer pointer 33 */ 34static inline void *cvm_oct_get_buffer_ptr(union cvmx_buf_ptr packet_ptr) 35{ 36 return cvmx_phys_to_ptr(((packet_ptr.s.addr >> 7) - packet_ptr.s.back) 37 << 7); 38} 39 40/** 41 * INTERFACE - convert IPD port to logical interface 42 * @ipd_port: Port to check 43 * 44 * Returns Logical interface 45 */ 46static inline int INTERFACE(int ipd_port) 47{ 48 if (ipd_port < 32) /* Interface 0 or 1 for RGMII,GMII,SPI, etc */ 49 return ipd_port >> 4; 50 else if (ipd_port < 36) /* Interface 2 for NPI */ 51 return 2; 52 else if (ipd_port < 40) /* Interface 3 for loopback */ 53 return 3; 54 else if (ipd_port == 40) /* Non existent interface for POW0 */ 55 return 4; 56 panic("Illegal ipd_port %d passed to INTERFACE\n", ipd_port); 57} 58 59/** 60 * INDEX - convert IPD/PKO port number to the port's interface index 61 * @ipd_port: Port to check 62 * 63 * Returns Index into interface port list 64 */ 65static inline int INDEX(int ipd_port) 66{ 67 if (ipd_port < 32) 68 return ipd_port & 15; 69 return ipd_port & 3; 70} 71