| /********************************************************************** |
| * Author: Cavium Networks |
| * |
| * Contact: support@caviumnetworks.com |
| * This file is part of the OCTEON SDK |
| * |
| * Copyright (c) 2003-2007 Cavium Networks |
| * |
| * This file is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License, Version 2, as |
| * published by the Free Software Foundation. |
| * |
| * This file is distributed in the hope that it will be useful, but |
| * AS-IS and WITHOUT ANY WARRANTY; without even the implied warranty |
| * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, TITLE, or |
| * NONINFRINGEMENT. See the GNU General Public License for more |
| * details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this file; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| * or visit http://www.gnu.org/licenses/. |
| * |
| * This file may also be available under a different license from Cavium. |
| * Contact Cavium Networks for more information |
| *********************************************************************/ |
| |
| /** |
| * cvm_oct_get_buffer_ptr - convert packet data address to pointer |
| * @packet_ptr: Packet data hardware address |
| * |
| * Returns Packet buffer pointer |
| */ |
| static inline void *cvm_oct_get_buffer_ptr(union cvmx_buf_ptr packet_ptr) |
| { |
| return cvmx_phys_to_ptr(((packet_ptr.s.addr >> 7) - packet_ptr.s.back) |
| << 7); |
| } |
| |
| /** |
| * INTERFACE - convert IPD port to logical interface |
| * @ipd_port: Port to check |
| * |
| * Returns Logical interface |
| */ |
| static inline int INTERFACE(int ipd_port) |
| { |
| if (ipd_port < 32) /* Interface 0 or 1 for RGMII,GMII,SPI, etc */ |
| return ipd_port >> 4; |
| else if (ipd_port < 36) /* Interface 2 for NPI */ |
| return 2; |
| else if (ipd_port < 40) /* Interface 3 for loopback */ |
| return 3; |
| else if (ipd_port == 40) /* Non existent interface for POW0 */ |
| return 4; |
| panic("Illegal ipd_port %d passed to INTERFACE\n", ipd_port); |
| } |
| |
| /** |
| * INDEX - convert IPD/PKO port number to the port's interface index |
| * @ipd_port: Port to check |
| * |
| * Returns Index into interface port list |
| */ |
| static inline int INDEX(int ipd_port) |
| { |
| if (ipd_port < 32) |
| return ipd_port & 15; |
| return ipd_port & 3; |
| } |
