1 /* 2 * This file is based on code from OCTEON SDK by Cavium Networks. 3 * 4 * Copyright (c) 2003-2007 Cavium Networks 5 * 6 * This file is free software; you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License, Version 2, as 8 * published by the Free Software Foundation. 9 */ 10 11 #include <asm/octeon/cvmx-pip.h> 12 #include <asm/octeon/cvmx-helper.h> 13 #include <asm/octeon/cvmx-helper-util.h> 14 15 /** 16 * cvm_oct_get_buffer_ptr - convert packet data address to pointer 17 * @packet_ptr: Packet data hardware address 18 * 19 * Returns Packet buffer pointer 20 */ cvm_oct_get_buffer_ptr(union cvmx_buf_ptr packet_ptr)21static inline void *cvm_oct_get_buffer_ptr(union cvmx_buf_ptr packet_ptr) 22 { 23 return cvmx_phys_to_ptr(((packet_ptr.s.addr >> 7) - packet_ptr.s.back) 24 << 7); 25 } 26 27 /** 28 * INTERFACE - convert IPD port to logical interface 29 * @ipd_port: Port to check 30 * 31 * Returns Logical interface 32 */ INTERFACE(int ipd_port)33static inline int INTERFACE(int ipd_port) 34 { 35 int interface; 36 37 if (ipd_port == CVMX_PIP_NUM_INPUT_PORTS) 38 return 10; 39 interface = cvmx_helper_get_interface_num(ipd_port); 40 if (interface >= 0) 41 return interface; 42 panic("Illegal ipd_port %d passed to INTERFACE\n", ipd_port); 43 } 44 45 /** 46 * INDEX - convert IPD/PKO port number to the port's interface index 47 * @ipd_port: Port to check 48 * 49 * Returns Index into interface port list 50 */ INDEX(int ipd_port)51static inline int INDEX(int ipd_port) 52 { 53 return cvmx_helper_get_interface_index_num(ipd_port); 54 } 55