projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 80ff0fd3 DD |
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 | #define DEBUGPRINT(format, ...) do { if (printk_ratelimit()) \ | |
| 29 | printk(format, ##__VA_ARGS__); \ | |
| 30 | } while (0) | |
| 31 | ||
| 32 | /** | |
| 33 | * Given a packet data address, return a pointer to the | |
| 34 | * beginning of the packet buffer. | |
| 35 | * | |
| 36 | * @packet_ptr: Packet data hardware address | |
| 37 | * Returns Packet buffer pointer | |
| 38 | */ | |
| 39 | static inline void *cvm_oct_get_buffer_ptr(union cvmx_buf_ptr packet_ptr) | |
| 40 | { | |
| 41 | return cvmx_phys_to_ptr(((packet_ptr.s.addr >> 7) - packet_ptr.s.back) | |
| 42 | << 7); | |
| 43 | } | |
| 44 | ||
| 45 | /** | |
| 46 | * Given an IPD/PKO port number, return the logical interface it is | |
| 47 | * on. | |
| 48 | * | |
| 49 | * @ipd_port: Port to check | |
| 50 | * | |
| 51 | * Returns Logical interface | |
| 52 | */ | |
| 53 | static inline int INTERFACE(int ipd_port) | |
| 54 | { | |
| 55 | if (ipd_port < 32) /* Interface 0 or 1 for RGMII,GMII,SPI, etc */ | |
| 56 | return ipd_port >> 4; | |
| 57 | else if (ipd_port < 36) /* Interface 2 for NPI */ | |
| 58 | return 2; | |
| 59 | else if (ipd_port < 40) /* Interface 3 for loopback */ | |
| 60 | return 3; | |
| 61 | else if (ipd_port == 40) /* Non existant interface for POW0 */ | |
| 62 | return 4; | |
| 63 | else | |
| 64 | panic("Illegal ipd_port %d passed to INTERFACE\n", ipd_port); | |
| 65 | } | |
| 66 | ||
| 67 | /** | |
| 68 | * Given an IPD/PKO port number, return the port's index on a | |
| 69 | * logical interface. | |
| 70 | * | |
| 71 | * @ipd_port: Port to check | |
| 72 | * | |
| 73 | * Returns Index into interface port list | |
| 74 | */ | |
| 75 | static inline int INDEX(int ipd_port) | |
| 76 | { | |
| 77 | if (ipd_port < 32) | |
| 78 | return ipd_port & 15; | |
| 79 | else | |
| 80 | return ipd_port & 3; | |
| 81 | } |