1 /*- 2 * BSD LICENSE 3 * 4 * Copyright(c) 2010-2014 Intel Corporation. All rights reserved. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 11 * * Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * * Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in 15 * the documentation and/or other materials provided with the 16 * distribution. 17 * * Neither the name of Intel Corporation nor the names of its 18 * contributors may be used to endorse or promote products derived 19 * from this software without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 22 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 23 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 24 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 25 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 26 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 27 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 28 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 29 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 30 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 31 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 32 */ 33 34 #ifndef __CFG_FILE_H__ 35 #define __CFG_FILE_H__ 36 37 #include <rte_sched.h> 38 39 #define CFG_NAME_LEN 32 40 #define CFG_VALUE_LEN 64 41 42 struct cfg_entry { 43 char name[CFG_NAME_LEN]; 44 char value[CFG_VALUE_LEN]; 45 }; 46 47 struct cfg_section { 48 char name[CFG_NAME_LEN]; 49 int num_entries; 50 struct cfg_entry *entries[0]; 51 }; 52 53 struct cfg_file { 54 int flags; 55 int num_sections; 56 struct cfg_section *sections[0]; 57 }; 58 59 60 int cfg_load_port(struct cfg_file *cfg, struct rte_sched_port_params *port); 61 62 int cfg_load_pipe(struct cfg_file *cfg, struct rte_sched_pipe_params *pipe); 63 64 int cfg_load_subport(struct cfg_file *cfg, struct rte_sched_subport_params *subport); 65 66 67 /* reads a config file from disk and returns a handle to the config 68 * 'flags' is reserved for future use and must be 0 69 */ 70 struct cfg_file *cfg_load(const char *filename, int flags); 71 72 /* returns the number of sections in the config */ 73 int cfg_num_sections(struct cfg_file *cfg, const char *sec_name, size_t length); 74 75 /* fills the array "sections" with the names of all the sections in the file 76 * (up to a max of max_sections). 77 * NOTE: buffers in the sections array must be at least CFG_NAME_LEN big 78 */ 79 int cfg_sections(struct cfg_file *cfg, char *sections[], int max_sections); 80 81 /* true if the named section exists, false otherwise */ 82 int cfg_has_section(struct cfg_file *cfg, const char *sectionname); 83 84 /* returns the number of entries in a section */ 85 int cfg_section_num_entries(struct cfg_file *cfg, const char *sectionname); 86 87 /* returns the entries in a section as key-value pairs in the "entries" array */ 88 int cfg_section_entries(struct cfg_file *cfg, const char *sectionname, 89 struct cfg_entry *entries, int max_entries); 90 91 /* returns a pointer to the value of the named entry in the named section */ 92 const char *cfg_get_entry(struct cfg_file *cfg, const char *sectionname, 93 const char *entryname); 94 95 /* true if the given entry exists in the given section, false otherwise */ 96 int cfg_has_entry(struct cfg_file *cfg, const char *sectionname, 97 const char *entryname); 98 99 /* cleans up memory allocated by cfg_load() */ 100 int cfg_close(struct cfg_file *cfg); 101 102 #endif 103