X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;ds=sidebyside;f=examples%2Fqos_sched%2Fcfg_file.c;h=d198de64204c8c7990dbdf24e56edcf5f7c8596f;hb=ae43ebbe9366176ea2a84b5e7f2ba8962961ea07;hp=dba5797bb0dd1d63528717fbddf4cf62779b0d15;hpb=835c5409a7bac3055b82bebee65d8ada7f20d332;p=dpdk.git diff --git a/examples/qos_sched/cfg_file.c b/examples/qos_sched/cfg_file.c old mode 100755 new mode 100644 index dba5797bb0..d198de6420 --- a/examples/qos_sched/cfg_file.c +++ b/examples/qos_sched/cfg_file.c @@ -1,35 +1,5 @@ -/*- - * BSD LICENSE - * - * Copyright(c) 2010-2013 Intel Corporation. All rights reserved. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * * Neither the name of Intel Corporation nor the names of its - * contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2010-2014 Intel Corporation */ #include @@ -50,276 +20,8 @@ * for new entries do we add in */ #define CFG_ALLOC_ENTRY_BATCH 16 -static unsigned -_strip(char *str, unsigned len) -{ - int newlen = len; - if (len == 0) - return 0; - - if (isspace(str[len-1])) { - /* strip trailing whitespace */ - while (newlen > 0 && isspace(str[newlen - 1])) - str[--newlen] = '\0'; - } - - if (isspace(str[0])) { - /* strip leading whitespace */ - int i,start = 1; - while (isspace(str[start]) && start < newlen) - start++ - ; /* do nothing */ - newlen -= start; - for (i = 0; i < newlen; i++) - str[i] = str[i+start]; - str[i] = '\0'; - } - return newlen; -} - -struct cfg_file * -cfg_load(const char *filename, int flags) -{ - int allocated_sections = CFG_ALLOC_SECTION_BATCH; - int allocated_entries = 0; - int curr_section = -1; - int curr_entry = -1; - char buffer[256]; - int lineno = 0; - struct cfg_file *cfg = NULL; - - FILE *f = fopen(filename, "r"); - if (f == NULL) - return NULL; - - cfg = malloc(sizeof(*cfg) + sizeof(cfg->sections[0]) * allocated_sections); - if (cfg == NULL) - goto error2; - - memset(cfg->sections, 0, sizeof(cfg->sections[0]) * allocated_sections); - - while (fgets(buffer, sizeof(buffer), f) != NULL) { - char *pos = NULL; - size_t len = strnlen(buffer, sizeof(buffer)); - lineno++; - if (len >=sizeof(buffer) - 1 && buffer[len-1] != '\n'){ - printf("Error line %d - no \\n found on string. " - "Check if line too long\n", lineno); - goto error1; - } - if ((pos = memchr(buffer, ';', sizeof(buffer))) != NULL) { - *pos = '\0'; - len = pos - buffer; - } - - len = _strip(buffer, len); - if (buffer[0] != '[' && memchr(buffer, '=', len) == NULL) - continue; - - if (buffer[0] == '[') { - /* section heading line */ - char *end = memchr(buffer, ']', len); - if (end == NULL) { - printf("Error line %d - no terminating '[' found\n", lineno); - goto error1; - } - *end = '\0'; - _strip(&buffer[1], end - &buffer[1]); - - /* close off old section and add start new one */ - if (curr_section >= 0) - cfg->sections[curr_section]->num_entries = curr_entry + 1; - curr_section++; - - /* resize overall struct if we don't have room for more sections */ - if (curr_section == allocated_sections) { - allocated_sections += CFG_ALLOC_SECTION_BATCH; - struct cfg_file *n_cfg = realloc(cfg, sizeof(*cfg) + - sizeof(cfg->sections[0]) * allocated_sections); - if (n_cfg == NULL) { - printf("Error - no more memory\n"); - goto error1; - } - cfg = n_cfg; - } - - /* allocate space for new section */ - allocated_entries = CFG_ALLOC_ENTRY_BATCH; - curr_entry = -1; - cfg->sections[curr_section] = malloc(sizeof(*cfg->sections[0]) + - sizeof(cfg->sections[0]->entries[0]) * allocated_entries); - if (cfg->sections[curr_section] == NULL) { - printf("Error - no more memory\n"); - goto error1; - } - - rte_snprintf(cfg->sections[curr_section]->name, - sizeof(cfg->sections[0]->name), - "%s", &buffer[1]); - } - else { - /* value line */ - if (curr_section < 0) { - printf("Error line %d - value outside of section\n", lineno); - goto error1; - } - - struct cfg_section *sect = cfg->sections[curr_section]; - char *split[2]; - if (rte_strsplit(buffer, sizeof(buffer), split, 2, '=') != 2) { - printf("Error at line %d - cannot split string\n", lineno); - goto error1; - } - - curr_entry++; - if (curr_entry == allocated_entries) { - allocated_entries += CFG_ALLOC_ENTRY_BATCH; - struct cfg_section *n_sect = realloc(sect, sizeof(*sect) + - sizeof(sect->entries[0]) * allocated_entries); - if (n_sect == NULL) { - printf("Error - no more memory\n"); - goto error1; - } - sect = cfg->sections[curr_section] = n_sect; - } - - sect->entries[curr_entry] = malloc(sizeof(*sect->entries[0])); - if (sect->entries[curr_entry] == NULL) { - printf("Error - no more memory\n"); - goto error1; - } - - struct cfg_entry *entry = sect->entries[curr_entry]; - rte_snprintf(entry->name, sizeof(entry->name), "%s", split[0]); - rte_snprintf(entry->value, sizeof(entry->value), "%s", split[1]); - _strip(entry->name, strnlen(entry->name, sizeof(entry->name))); - _strip(entry->value, strnlen(entry->value, sizeof(entry->value))); - } - } - fclose(f); - cfg->flags = flags; - cfg->sections[curr_section]->num_entries = curr_entry + 1; - cfg->num_sections = curr_section + 1; - return cfg; - -error1: - cfg_close(cfg); -error2: - fclose(f); - return NULL; -} - - -int cfg_close(struct cfg_file *cfg) -{ - int i, j; - - if (cfg == NULL) - return -1; - - for(i = 0; i < cfg->num_sections; i++) { - if (cfg->sections[i] != NULL) { - if (cfg->sections[i]->num_entries) { - for(j = 0; j < cfg->sections[i]->num_entries; j++) { - if (cfg->sections[i]->entries[j] != NULL) - free(cfg->sections[i]->entries[j]); - } - } - free(cfg->sections[i]); - } - } - free(cfg); - - return 0; -} - int -cfg_num_sections(struct cfg_file *cfg, const char *sectionname, size_t length) -{ - int i; - int num_sections = 0; - for (i = 0; i < cfg->num_sections; i++) { - if (strncmp(cfg->sections[i]->name, sectionname, length) == 0) - num_sections++; - } - return num_sections; -} - -int -cfg_sections(struct cfg_file *cfg, char *sections[], int max_sections) -{ - int i; - for (i = 0; i < cfg->num_sections && i < max_sections; i++) { - rte_snprintf(sections[i], CFG_NAME_LEN, "%s", cfg->sections[i]->name); - } - return i; -} - -static const struct cfg_section * -_get_section(struct cfg_file *cfg, const char *sectionname) -{ - int i; - for (i = 0; i < cfg->num_sections; i++) { - if (strncmp(cfg->sections[i]->name, sectionname, - sizeof(cfg->sections[0]->name)) == 0) - return cfg->sections[i]; - } - return NULL; -} - -int -cfg_has_section(struct cfg_file *cfg, const char *sectionname) -{ - return (_get_section(cfg, sectionname) != NULL); -} - -int -cfg_section_num_entries(struct cfg_file *cfg, const char *sectionname) -{ - const struct cfg_section *s = _get_section(cfg, sectionname); - if (s == NULL) - return -1; - return s->num_entries; -} - - -int -cfg_section_entries(struct cfg_file *cfg, const char *sectionname, - struct cfg_entry *entries, int max_entries) -{ - int i; - const struct cfg_section *sect = _get_section(cfg, sectionname); - if (sect == NULL) - return -1; - for (i = 0; i < max_entries && i < sect->num_entries; i++) - entries[i] = *sect->entries[i]; - return i; -} - -const char * -cfg_get_entry(struct cfg_file *cfg, const char *sectionname, - const char *entryname) -{ - int i; - const struct cfg_section *sect = _get_section(cfg, sectionname); - if (sect == NULL) - return NULL; - for (i = 0; i < sect->num_entries; i++) - if (strncmp(sect->entries[i]->name, entryname, CFG_NAME_LEN) == 0) - return sect->entries[i]->value; - return NULL; -} - -int -cfg_has_entry(struct cfg_file *cfg, const char *sectionname, - const char *entryname) -{ - return (cfg_get_entry(cfg, sectionname, entryname) != NULL); -} - - -int -cfg_load_port(struct cfg_file *cfg, struct rte_sched_port_params *port_params) +cfg_load_port(struct rte_cfgfile *cfg, struct rte_sched_port_params *port_params) { const char *entry; int j; @@ -327,22 +29,22 @@ cfg_load_port(struct cfg_file *cfg, struct rte_sched_port_params *port_params) if (!cfg || !port_params) return -1; - entry = cfg_get_entry(cfg, "port", "frame overhead"); + entry = rte_cfgfile_get_entry(cfg, "port", "frame overhead"); if (entry) port_params->frame_overhead = (uint32_t)atoi(entry); - entry = cfg_get_entry(cfg, "port", "number of subports per port"); + entry = rte_cfgfile_get_entry(cfg, "port", "number of subports per port"); if (entry) port_params->n_subports_per_port = (uint32_t)atoi(entry); - - entry = cfg_get_entry(cfg, "port", "number of pipes per subport"); + + entry = rte_cfgfile_get_entry(cfg, "port", "number of pipes per subport"); if (entry) port_params->n_pipes_per_subport = (uint32_t)atoi(entry); - entry = cfg_get_entry(cfg, "port", "queue sizes"); + entry = rte_cfgfile_get_entry(cfg, "port", "queue sizes"); if (entry) { char *next; - + for(j = 0; j < RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE; j++) { port_params->qsize[j] = (uint16_t)strtol(entry, &next, 10); if (next == NULL) @@ -356,8 +58,8 @@ cfg_load_port(struct cfg_file *cfg, struct rte_sched_port_params *port_params) char str[32]; /* Parse WRED min thresholds */ - rte_snprintf(str, sizeof(str), "tc %d wred min", j); - entry = cfg_get_entry(cfg, "red", str); + snprintf(str, sizeof(str), "tc %d wred min", j); + entry = rte_cfgfile_get_entry(cfg, "red", str); if (entry) { char *next; int k; @@ -372,8 +74,8 @@ cfg_load_port(struct cfg_file *cfg, struct rte_sched_port_params *port_params) } /* Parse WRED max thresholds */ - rte_snprintf(str, sizeof(str), "tc %d wred max", j); - entry = cfg_get_entry(cfg, "red", str); + snprintf(str, sizeof(str), "tc %d wred max", j); + entry = rte_cfgfile_get_entry(cfg, "red", str); if (entry) { char *next; int k; @@ -388,8 +90,8 @@ cfg_load_port(struct cfg_file *cfg, struct rte_sched_port_params *port_params) } /* Parse WRED inverse mark probabilities */ - rte_snprintf(str, sizeof(str), "tc %d wred inv prob", j); - entry = cfg_get_entry(cfg, "red", str); + snprintf(str, sizeof(str), "tc %d wred inv prob", j); + entry = rte_cfgfile_get_entry(cfg, "red", str); if (entry) { char *next; int k; @@ -405,8 +107,8 @@ cfg_load_port(struct cfg_file *cfg, struct rte_sched_port_params *port_params) } /* Parse WRED EWMA filter weights */ - rte_snprintf(str, sizeof(str), "tc %d wred weight", j); - entry = cfg_get_entry(cfg, "red", str); + snprintf(str, sizeof(str), "tc %d wred weight", j); + entry = rte_cfgfile_get_entry(cfg, "red", str); if (entry) { char *next; int k; @@ -421,12 +123,12 @@ cfg_load_port(struct cfg_file *cfg, struct rte_sched_port_params *port_params) } } #endif /* RTE_SCHED_RED */ - + return 0; } int -cfg_load_pipe(struct cfg_file *cfg, struct rte_sched_pipe_params *pipe_params) +cfg_load_pipe(struct rte_cfgfile *cfg, struct rte_sched_pipe_params *pipe_params) { int i, j; char *next; @@ -436,48 +138,48 @@ cfg_load_pipe(struct cfg_file *cfg, struct rte_sched_pipe_params *pipe_params) if (!cfg || !pipe_params) return -1; - profiles = cfg_num_sections(cfg, "pipe profile", sizeof("pipe profile") - 1); + profiles = rte_cfgfile_num_sections(cfg, "pipe profile", sizeof("pipe profile") - 1); port_params.n_pipe_profiles = profiles; for (j = 0; j < profiles; j++) { char pipe_name[32]; - rte_snprintf(pipe_name, sizeof(pipe_name), "pipe profile %d", j); + snprintf(pipe_name, sizeof(pipe_name), "pipe profile %d", j); - entry = cfg_get_entry(cfg, pipe_name, "tb rate"); + entry = rte_cfgfile_get_entry(cfg, pipe_name, "tb rate"); if (entry) pipe_params[j].tb_rate = (uint32_t)atoi(entry); - entry = cfg_get_entry(cfg, pipe_name, "tb size"); + entry = rte_cfgfile_get_entry(cfg, pipe_name, "tb size"); if (entry) pipe_params[j].tb_size = (uint32_t)atoi(entry); - entry = cfg_get_entry(cfg, pipe_name, "tc period"); + entry = rte_cfgfile_get_entry(cfg, pipe_name, "tc period"); if (entry) pipe_params[j].tc_period = (uint32_t)atoi(entry); - entry = cfg_get_entry(cfg, pipe_name, "tc 0 rate"); + entry = rte_cfgfile_get_entry(cfg, pipe_name, "tc 0 rate"); if (entry) pipe_params[j].tc_rate[0] = (uint32_t)atoi(entry); - - entry = cfg_get_entry(cfg, pipe_name, "tc 1 rate"); + + entry = rte_cfgfile_get_entry(cfg, pipe_name, "tc 1 rate"); if (entry) pipe_params[j].tc_rate[1] = (uint32_t)atoi(entry); - - entry = cfg_get_entry(cfg, pipe_name, "tc 2 rate"); + + entry = rte_cfgfile_get_entry(cfg, pipe_name, "tc 2 rate"); if (entry) pipe_params[j].tc_rate[2] = (uint32_t)atoi(entry); - - entry = cfg_get_entry(cfg, pipe_name, "tc 3 rate"); + + entry = rte_cfgfile_get_entry(cfg, pipe_name, "tc 3 rate"); if (entry) pipe_params[j].tc_rate[3] = (uint32_t)atoi(entry); #ifdef RTE_SCHED_SUBPORT_TC_OV - entry = cfg_get_entry(cfg, pipe_name, "tc 3 oversubscription weight"); + entry = rte_cfgfile_get_entry(cfg, pipe_name, "tc 3 oversubscription weight"); if (entry) pipe_params[j].tc_ov_weight = (uint8_t)atoi(entry); #endif - entry = cfg_get_entry(cfg, pipe_name, "tc 0 wrr weights"); + entry = rte_cfgfile_get_entry(cfg, pipe_name, "tc 0 wrr weights"); if (entry) { for(i = 0; i < RTE_SCHED_QUEUES_PER_TRAFFIC_CLASS; i++) { pipe_params[j].wrr_weights[RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE*0 + i] = @@ -487,7 +189,7 @@ cfg_load_pipe(struct cfg_file *cfg, struct rte_sched_pipe_params *pipe_params) entry = next; } } - entry = cfg_get_entry(cfg, pipe_name, "tc 1 wrr weights"); + entry = rte_cfgfile_get_entry(cfg, pipe_name, "tc 1 wrr weights"); if (entry) { for(i = 0; i < RTE_SCHED_QUEUES_PER_TRAFFIC_CLASS; i++) { pipe_params[j].wrr_weights[RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE*1 + i] = @@ -497,7 +199,7 @@ cfg_load_pipe(struct cfg_file *cfg, struct rte_sched_pipe_params *pipe_params) entry = next; } } - entry = cfg_get_entry(cfg, pipe_name, "tc 2 wrr weights"); + entry = rte_cfgfile_get_entry(cfg, pipe_name, "tc 2 wrr weights"); if (entry) { for(i = 0; i < RTE_SCHED_QUEUES_PER_TRAFFIC_CLASS; i++) { pipe_params[j].wrr_weights[RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE*2 + i] = @@ -507,7 +209,7 @@ cfg_load_pipe(struct cfg_file *cfg, struct rte_sched_pipe_params *pipe_params) entry = next; } } - entry = cfg_get_entry(cfg, pipe_name, "tc 3 wrr weights"); + entry = rte_cfgfile_get_entry(cfg, pipe_name, "tc 3 wrr weights"); if (entry) { for(i = 0; i < RTE_SCHED_QUEUES_PER_TRAFFIC_CLASS; i++) { pipe_params[j].wrr_weights[RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE*3 + i] = @@ -522,7 +224,7 @@ cfg_load_pipe(struct cfg_file *cfg, struct rte_sched_pipe_params *pipe_params) } int -cfg_load_subport(struct cfg_file *cfg, struct rte_sched_subport_params *subport_params) +cfg_load_subport(struct rte_cfgfile *cfg, struct rte_sched_subport_params *subport_params) { const char *entry; int i, j, k; @@ -534,41 +236,41 @@ cfg_load_subport(struct cfg_file *cfg, struct rte_sched_subport_params *subport_ for (i = 0; i < MAX_SCHED_SUBPORTS; i++) { char sec_name[CFG_NAME_LEN]; - rte_snprintf(sec_name, sizeof(sec_name), "subport %d", i); + snprintf(sec_name, sizeof(sec_name), "subport %d", i); - if (cfg_has_section(cfg, sec_name)) { - entry = cfg_get_entry(cfg, sec_name, "tb rate"); + if (rte_cfgfile_has_section(cfg, sec_name)) { + entry = rte_cfgfile_get_entry(cfg, sec_name, "tb rate"); if (entry) subport_params[i].tb_rate = (uint32_t)atoi(entry); - entry = cfg_get_entry(cfg, sec_name, "tb size"); + entry = rte_cfgfile_get_entry(cfg, sec_name, "tb size"); if (entry) subport_params[i].tb_size = (uint32_t)atoi(entry); - entry = cfg_get_entry(cfg, sec_name, "tc period"); + entry = rte_cfgfile_get_entry(cfg, sec_name, "tc period"); if (entry) subport_params[i].tc_period = (uint32_t)atoi(entry); - entry = cfg_get_entry(cfg, sec_name, "tc 0 rate"); + entry = rte_cfgfile_get_entry(cfg, sec_name, "tc 0 rate"); if (entry) subport_params[i].tc_rate[0] = (uint32_t)atoi(entry); - entry = cfg_get_entry(cfg, sec_name, "tc 1 rate"); + entry = rte_cfgfile_get_entry(cfg, sec_name, "tc 1 rate"); if (entry) subport_params[i].tc_rate[1] = (uint32_t)atoi(entry); - entry = cfg_get_entry(cfg, sec_name, "tc 2 rate"); + entry = rte_cfgfile_get_entry(cfg, sec_name, "tc 2 rate"); if (entry) subport_params[i].tc_rate[2] = (uint32_t)atoi(entry); - entry = cfg_get_entry(cfg, sec_name, "tc 3 rate"); + entry = rte_cfgfile_get_entry(cfg, sec_name, "tc 3 rate"); if (entry) subport_params[i].tc_rate[3] = (uint32_t)atoi(entry); - int n_entries = cfg_section_num_entries(cfg, sec_name); - struct cfg_entry entries[n_entries]; + int n_entries = rte_cfgfile_section_num_entries(cfg, sec_name); + struct rte_cfgfile_entry entries[n_entries]; - cfg_section_entries(cfg, sec_name, entries, n_entries); + rte_cfgfile_section_entries(cfg, sec_name, entries, n_entries); for (j = 0; j < n_entries; j++) { if (strncmp("pipe", entries[j].name, sizeof("pipe") - 1) == 0) { @@ -593,9 +295,9 @@ cfg_load_subport(struct cfg_file *cfg, struct rte_sched_subport_params *subport_ for (k = begin; k <= end; k++) { char profile_name[CFG_NAME_LEN]; - rte_snprintf(profile_name, sizeof(profile_name), + snprintf(profile_name, sizeof(profile_name), "pipe profile %d", profile); - if (cfg_has_section(cfg, profile_name)) + if (rte_cfgfile_has_section(cfg, profile_name)) app_pipe_to_profile[i][k] = profile; else rte_exit(EXIT_FAILURE, "Wrong pipe profile %s\n", @@ -609,5 +311,3 @@ cfg_load_subport(struct cfg_file *cfg, struct rte_sched_subport_params *subport_ return 0; } - -