DPDK  17.11.10
examples/ip_pipeline/config_parse.c
/*-
* BSD LICENSE
*
* Copyright(c) 2010-2016 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.
*/
#include <stdint.h>
#include <stdlib.h>
#include <stdio.h>
#include <ctype.h>
#include <getopt.h>
#include <errno.h>
#include <stdarg.h>
#include <string.h>
#include <libgen.h>
#include <unistd.h>
#include <sys/wait.h>
#include <rte_errno.h>
#include <rte_cfgfile.h>
#include <rte_string_fns.h>
#include "app.h"
#include "parser.h"
static struct app_params app_params_default = {
.config_file = "./config/ip_pipeline.cfg",
.log_level = APP_LOG_LEVEL_HIGH,
.port_mask = 0,
.eal_params = {
.channels = 4,
},
};
static const struct app_mempool_params mempool_params_default = {
.parsed = 0,
.buffer_size = 2048 + sizeof(struct rte_mbuf) + RTE_PKTMBUF_HEADROOM,
.pool_size = 32 * 1024,
.cache_size = 256,
.cpu_socket_id = 0,
};
static const struct app_link_params link_params_default = {
.parsed = 0,
.pmd_id = 0,
.arp_q = 0,
.tcp_syn_q = 0,
.ip_local_q = 0,
.tcp_local_q = 0,
.udp_local_q = 0,
.sctp_local_q = 0,
.rss_qs = {0},
.n_rss_qs = 0,
.rss_proto_ipv4 = ETH_RSS_IPV4,
.rss_proto_ipv6 = ETH_RSS_IPV6,
.rss_proto_l2 = 0,
.state = 0,
.ip = 0,
.depth = 0,
.mac_addr = 0,
.pci_bdf = {0},
.conf = {
.link_speeds = 0,
.rxmode = {
.mq_mode = ETH_MQ_RX_NONE,
.header_split = 0, /* Header split */
.hw_ip_checksum = 0, /* IP checksum offload */
.hw_vlan_filter = 0, /* VLAN filtering */
.hw_vlan_strip = 0, /* VLAN strip */
.hw_vlan_extend = 0, /* Extended VLAN */
.jumbo_frame = 0, /* Jumbo frame support */
.hw_strip_crc = 1, /* CRC strip by HW */
.enable_scatter = 0, /* Scattered packets RX handler */
.max_rx_pkt_len = 9000, /* Jumbo frame max packet len */
.split_hdr_size = 0, /* Header split buffer size */
},
.rx_adv_conf = {
.rss_conf = {
.rss_key = NULL,
.rss_key_len = 40,
.rss_hf = 0,
},
},
.txmode = {
.mq_mode = ETH_MQ_TX_NONE,
},
.lpbk_mode = 0,
},
.promisc = 1,
};
static const struct app_pktq_hwq_in_params default_hwq_in_params = {
.parsed = 0,
.mempool_id = 0,
.size = 128,
.burst = 32,
.conf = {
.rx_thresh = {
.pthresh = 8,
.hthresh = 8,
.wthresh = 4,
},
.rx_free_thresh = 64,
.rx_drop_en = 0,
.rx_deferred_start = 0,
}
};
static const struct app_pktq_hwq_out_params default_hwq_out_params = {
.parsed = 0,
.size = 512,
.burst = 32,
.dropless = 0,
.n_retries = 0,
.conf = {
.tx_thresh = {
.pthresh = 36,
.hthresh = 0,
.wthresh = 0,
},
.tx_rs_thresh = 0,
.tx_free_thresh = 0,
.txq_flags = ETH_TXQ_FLAGS_NOMULTSEGS |
ETH_TXQ_FLAGS_NOOFFLOADS,
.tx_deferred_start = 0,
}
};
static const struct app_pktq_swq_params default_swq_params = {
.parsed = 0,
.size = 256,
.burst_read = 32,
.burst_write = 32,
.dropless = 0,
.n_retries = 0,
.cpu_socket_id = 0,
.ipv4_frag = 0,
.ipv6_frag = 0,
.ipv4_ras = 0,
.ipv6_ras = 0,
.mtu = 0,
.metadata_size = 0,
.mempool_direct_id = 0,
.mempool_indirect_id = 0,
};
struct app_pktq_tm_params default_tm_params = {
.parsed = 0,
.file_name = "./config/tm_profile.cfg",
.burst_read = 24,
.burst_write = 32,
};
struct app_pktq_tap_params default_tap_params = {
.parsed = 0,
.burst_read = 32,
.burst_write = 32,
.dropless = 0,
.n_retries = 0,
.mempool_id = 0,
};
struct app_pktq_kni_params default_kni_params = {
.parsed = 0,
.socket_id = 0,
.core_id = 0,
.hyper_th_id = 0,
.force_bind = 0,
.mempool_id = 0,
.burst_read = 32,
.burst_write = 32,
.dropless = 0,
.n_retries = 0,
};
struct app_pktq_source_params default_source_params = {
.parsed = 0,
.mempool_id = 0,
.burst = 32,
.file_name = "./config/packets.pcap",
.n_bytes_per_pkt = 0,
};
struct app_pktq_sink_params default_sink_params = {
.parsed = 0,
.file_name = NULL,
.n_pkts_to_dump = 0,
};
struct app_msgq_params default_msgq_params = {
.parsed = 0,
.size = 64,
.cpu_socket_id = 0,
};
struct app_pipeline_params default_pipeline_params = {
.parsed = 0,
.socket_id = 0,
.core_id = 0,
.hyper_th_id = 0,
.n_pktq_in = 0,
.n_pktq_out = 0,
.n_msgq_in = 0,
.n_msgq_out = 0,
.timer_period = 1,
.n_args = 0,
};
static const char app_usage[] =
"Usage: %s [-f CONFIG_FILE] [-s SCRIPT_FILE] [-p PORT_MASK] "
"[-l LOG_LEVEL] [--preproc PREPROCESSOR] [--preproc-args ARGS]\n"
"\n"
"Arguments:\n"
"\t-f CONFIG_FILE: Default config file is %s\n"
"\t-p PORT_MASK: Mask of NIC port IDs in hex format (generated from "
"config file when not provided)\n"
"\t-s SCRIPT_FILE: No CLI script file is run when not specified\n"
"\t-l LOG_LEVEL: 0 = NONE, 1 = HIGH PRIO (default), 2 = LOW PRIO\n"
"\t--preproc PREPROCESSOR: Configuration file pre-processor\n"
"\t--preproc-args ARGS: Arguments to be passed to pre-processor\n"
"\n";
static void
app_print_usage(char *prgname)
{
rte_exit(0, app_usage, prgname, app_params_default.config_file);
}
#define APP_PARAM_ADD(set, key) \
({ \
ssize_t pos = APP_PARAM_FIND(set, key); \
ssize_t size = RTE_DIM(set); \
\
if (pos < 0) { \
for (pos = 0; pos < size; pos++) { \
if (!APP_PARAM_VALID(&((set)[pos]))) \
break; \
} \
\
APP_CHECK((pos < size), \
"Parse error: size of %s is limited to %u elements",\
#set, (uint32_t) size); \
\
(set)[pos].name = strdup(key); \
APP_CHECK(((set)[pos].name), \
"Parse error: no free memory"); \
} \
pos; \
})
#define APP_PARAM_ADD_LINK_FOR_RXQ(app, rxq_name) \
({ \
char link_name[APP_PARAM_NAME_SIZE]; \
ssize_t link_param_pos; \
uint32_t link_id, queue_id; \
\
sscanf((rxq_name), "RXQ%" SCNu32 ".%" SCNu32, &link_id, &queue_id);\
sprintf(link_name, "LINK%" PRIu32, link_id); \
link_param_pos = APP_PARAM_ADD((app)->link_params, link_name); \
link_param_pos; \
})
#define APP_PARAM_ADD_LINK_FOR_TXQ(app, txq_name) \
({ \
char link_name[APP_PARAM_NAME_SIZE]; \
ssize_t link_param_pos; \
uint32_t link_id, queue_id; \
\
sscanf((txq_name), "TXQ%" SCNu32 ".%" SCNu32, &link_id, &queue_id);\
sprintf(link_name, "LINK%" PRIu32, link_id); \
link_param_pos = APP_PARAM_ADD((app)->link_params, link_name); \
link_param_pos; \
})
#define APP_PARAM_ADD_LINK_FOR_TM(app, tm_name) \
({ \
char link_name[APP_PARAM_NAME_SIZE]; \
ssize_t link_param_pos; \
uint32_t link_id; \
\
sscanf((tm_name), "TM%" SCNu32, &link_id); \
sprintf(link_name, "LINK%" PRIu32, link_id); \
link_param_pos = APP_PARAM_ADD((app)->link_params, link_name); \
link_param_pos; \
})
#define APP_PARAM_ADD_LINK_FOR_KNI(app, kni_name) \
({ \
char link_name[APP_PARAM_NAME_SIZE]; \
ssize_t link_param_pos; \
uint32_t link_id; \
\
sscanf((kni_name), "KNI%" SCNu32, &link_id); \
sprintf(link_name, "LINK%" PRIu32, link_id); \
link_param_pos = APP_PARAM_ADD((app)->link_params, link_name); \
link_param_pos; \
})
#define PARSE_CHECK_DUPLICATE_SECTION(obj) \
do { \
APP_CHECK(((obj)->parsed == 0), \
"Parse error: duplicate \"%s\" section", (obj)->name); \
(obj)->parsed++; \
} while (0)
#define PARSE_CHECK_DUPLICATE_SECTION_EAL(obj) \
do { \
APP_CHECK(((obj)->parsed == 0), \
"Parse error: duplicate \"%s\" section", "EAL"); \
(obj)->parsed++; \
} while (0)
#define PARSE_ERROR(exp, section, entry) \
APP_CHECK(exp, "Parse error in section \"%s\": entry \"%s\"", section, entry)
#define PARSE_ERROR_MESSAGE(exp, section, entry, message) \
APP_CHECK(exp, "Parse error in section \"%s\", entry \"%s\": %s", \
section, entry, message)
#define PARSE_ERROR_NO_ELEMENTS(exp, section, entry) \
APP_CHECK(exp, "Parse error in section \"%s\", entry \"%s\": " \
"no elements detected", \
section, entry)
#define PARSE_ERROR_TOO_MANY_ELEMENTS(exp, section, entry, max) \
APP_CHECK(exp, "Parse error in section \"%s\", entry \"%s\": " \
"maximum number of elements allowed is %u", \
section, entry, max)
#define PARSE_ERROR_INVALID_ELEMENT(exp, section, entry, value) \
APP_CHECK(exp, "Parse error in section \"%s\", entry \"%s\": " \
"Invalid element value \"%s\"", \
section, entry, value)
#define PARSE_ERROR_MALLOC(exp) \
APP_CHECK(exp, "Parse error: no free memory")
#define PARSE_ERROR_SECTION(exp, section) \
APP_CHECK(exp, "Parse error in section \"%s\"", section)
#define PARSE_ERROR_SECTION_NO_ENTRIES(exp, section) \
APP_CHECK(exp, "Parse error in section \"%s\": no entries", section)
#define PARSE_WARNING_IGNORED(exp, section, entry) \
do \
if (!(exp)) \
fprintf(stderr, "Parse warning in section \"%s\": " \
"entry \"%s\" is ignored", section, entry); \
while (0)
#define PARSE_ERROR_INVALID(exp, section, entry) \
APP_CHECK(exp, "Parse error in section \"%s\": unrecognized entry \"%s\"",\
section, entry)
#define PARSE_ERROR_DUPLICATE(exp, section, entry) \
APP_CHECK(exp, "Parse error in section \"%s\": duplicate entry \"%s\"", \
section, entry)
static int
validate_name(const char *name, const char *prefix, int num)
{
size_t i, j;
for (i = 0; (name[i] != '\0') && (prefix[i] != '\0'); i++) {
if (name[i] != prefix[i])
return -1;
}
if (prefix[i] != '\0')
return -1;
if (!num) {
if (name[i] != '\0')
return -1;
else
return 0;
}
if (num == 2) {
j = skip_digits(&name[i]);
i += j;
if ((j == 0) || (name[i] != '.'))
return -1;
i++;
}
if (num == 1) {
j = skip_digits(&name[i]);
i += j;
if ((j == 0) || (name[i] != '\0'))
return -1;
}
return 0;
}
static void
parse_eal(struct app_params *app,
const char *section_name,
struct rte_cfgfile *cfg)
{
struct app_eal_params *p = &app->eal_params;
struct rte_cfgfile_entry *entries;
int n_entries, i;
n_entries = rte_cfgfile_section_num_entries(cfg, section_name);
PARSE_ERROR_SECTION_NO_ENTRIES((n_entries > 0), section_name);
entries = malloc(n_entries * sizeof(struct rte_cfgfile_entry));
PARSE_ERROR_MALLOC(entries != NULL);
rte_cfgfile_section_entries(cfg, section_name, entries, n_entries);
PARSE_CHECK_DUPLICATE_SECTION_EAL(p);
for (i = 0; i < n_entries; i++) {
struct rte_cfgfile_entry *entry = &entries[i];
/* coremask */
if (strcmp(entry->name, "c") == 0) {
PARSE_WARNING_IGNORED(0, section_name, entry->name);
continue;
}
/* corelist */
if (strcmp(entry->name, "l") == 0) {
PARSE_WARNING_IGNORED(0, section_name, entry->name);
continue;
}
/* coremap */
if (strcmp(entry->name, "lcores") == 0) {
PARSE_ERROR_DUPLICATE((p->coremap == NULL),
section_name,
entry->name);
p->coremap = strdup(entry->value);
continue;
}
/* master_lcore */
if (strcmp(entry->name, "master_lcore") == 0) {
int status;
PARSE_ERROR_DUPLICATE((p->master_lcore_present == 0),
section_name,
entry->name);
p->master_lcore_present = 1;
status = parser_read_uint32(&p->master_lcore,
entry->value);
PARSE_ERROR((status == 0), section_name, entry->name);
continue;
}
/* channels */
if (strcmp(entry->name, "n") == 0) {
int status;
PARSE_ERROR_DUPLICATE((p->channels_present == 0),
section_name,
entry->name);
p->channels_present = 1;
status = parser_read_uint32(&p->channels, entry->value);
PARSE_ERROR((status == 0), section_name, entry->name);
continue;
}
/* memory */
if (strcmp(entry->name, "m") == 0) {
int status;
PARSE_ERROR_DUPLICATE((p->memory_present == 0),
section_name,
entry->name);
p->memory_present = 1;
status = parser_read_uint32(&p->memory, entry->value);
PARSE_ERROR((status == 0), section_name, entry->name);
continue;
}
/* ranks */
if (strcmp(entry->name, "r") == 0) {
int status;
PARSE_ERROR_DUPLICATE((p->ranks_present == 0),
section_name,
entry->name);
p->ranks_present = 1;
status = parser_read_uint32(&p->ranks, entry->value);
PARSE_ERROR((status == 0), section_name, entry->name);
continue;
}
/* pci_blacklist */
if ((strcmp(entry->name, "pci_blacklist") == 0) ||
(strcmp(entry->name, "b") == 0)) {
uint32_t i;
for (i = 0; i < APP_MAX_LINKS; i++) {
if (p->pci_blacklist[i])
continue;
p->pci_blacklist[i] =
strdup(entry->value);
PARSE_ERROR_MALLOC(p->pci_blacklist[i]);
break;
}
PARSE_ERROR_MESSAGE((i < APP_MAX_LINKS),
section_name, entry->name,
"too many elements");
continue;
}
/* pci_whitelist */
if ((strcmp(entry->name, "pci_whitelist") == 0) ||
(strcmp(entry->name, "w") == 0)) {
uint32_t i;
PARSE_ERROR_MESSAGE((app->port_mask != 0),
section_name, entry->name, "entry to be "
"generated by the application (port_mask "
"not provided)");
for (i = 0; i < APP_MAX_LINKS; i++) {
if (p->pci_whitelist[i])
continue;
p->pci_whitelist[i] = strdup(entry->value);
PARSE_ERROR_MALLOC(p->pci_whitelist[i]);
break;
}
PARSE_ERROR_MESSAGE((i < APP_MAX_LINKS),
section_name, entry->name,
"too many elements");
continue;
}
/* vdev */
if (strcmp(entry->name, "vdev") == 0) {
uint32_t i;
for (i = 0; i < APP_MAX_LINKS; i++) {
if (p->vdev[i])
continue;
p->vdev[i] = strdup(entry->value);
PARSE_ERROR_MALLOC(p->vdev[i]);
break;
}
PARSE_ERROR_MESSAGE((i < APP_MAX_LINKS),
section_name, entry->name,
"too many elements");
continue;
}
/* vmware_tsc_map */
if (strcmp(entry->name, "vmware_tsc_map") == 0) {
int val;
PARSE_ERROR_DUPLICATE((p->vmware_tsc_map_present == 0),
section_name,
entry->name);
p->vmware_tsc_map_present = 1;
val = parser_read_arg_bool(entry->value);
PARSE_ERROR((val >= 0), section_name, entry->name);
p->vmware_tsc_map = val;
continue;
}
/* proc_type */
if (strcmp(entry->name, "proc_type") == 0) {
PARSE_ERROR_DUPLICATE((p->proc_type == NULL),
section_name,
entry->name);
p->proc_type = strdup(entry->value);
continue;
}
/* syslog */
if (strcmp(entry->name, "syslog") == 0) {
PARSE_ERROR_DUPLICATE((p->syslog == NULL),
section_name,
entry->name);
p->syslog = strdup(entry->value);
continue;
}
/* log_level */
if (strcmp(entry->name, "log_level") == 0) {
int status;
PARSE_ERROR_DUPLICATE((p->log_level_present == 0),
section_name,
entry->name);
p->log_level_present = 1;
status = parser_read_uint32(&p->log_level,
entry->value);
PARSE_ERROR((status == 0), section_name, entry->name);
continue;
}
/* version */
if (strcmp(entry->name, "v") == 0) {
int val;
PARSE_ERROR_DUPLICATE((p->version_present == 0),
section_name,
entry->name);
p->version_present = 1;
val = parser_read_arg_bool(entry->value);
PARSE_ERROR((val >= 0), section_name, entry->name);
p->version = val;
continue;
}
/* help */
if ((strcmp(entry->name, "help") == 0) ||
(strcmp(entry->name, "h") == 0)) {
int val;
PARSE_ERROR_DUPLICATE((p->help_present == 0),
section_name,
entry->name);
p->help_present = 1;
val = parser_read_arg_bool(entry->value);
PARSE_ERROR((val >= 0), section_name, entry->name);
p->help = val;
continue;
}
/* no_huge */
if (strcmp(entry->name, "no_huge") == 0) {
int val;
PARSE_ERROR_DUPLICATE((p->no_huge_present == 0),
section_name,
entry->name);
p->no_huge_present = 1;
val = parser_read_arg_bool(entry->value);
PARSE_ERROR((val >= 0), section_name, entry->name);
p->no_huge = val;
continue;
}
/* no_pci */
if (strcmp(entry->name, "no_pci") == 0) {
int val;
PARSE_ERROR_DUPLICATE((p->no_pci_present == 0),
section_name,
entry->name);
p->no_pci_present = 1;
val = parser_read_arg_bool(entry->value);
PARSE_ERROR((val >= 0), section_name, entry->name);
p->no_pci = val;
continue;
}
/* no_hpet */
if (strcmp(entry->name, "no_hpet") == 0) {
int val;
PARSE_ERROR_DUPLICATE((p->no_hpet_present == 0),
section_name,
entry->name);
p->no_hpet_present = 1;
val = parser_read_arg_bool(entry->value);
PARSE_ERROR((val >= 0), section_name, entry->name);
p->no_hpet = val;
continue;
}
/* no_shconf */
if (strcmp(entry->name, "no_shconf") == 0) {
int val;
PARSE_ERROR_DUPLICATE((p->no_shconf_present == 0),
section_name,
entry->name);
p->no_shconf_present = 1;
val = parser_read_arg_bool(entry->value);
PARSE_ERROR((val >= 0), section_name, entry->name);
p->no_shconf = val;
continue;
}
/* add_driver */
if (strcmp(entry->name, "d") == 0) {
PARSE_ERROR_DUPLICATE((p->add_driver == NULL),
section_name,
entry->name);
p->add_driver = strdup(entry->value);
continue;
}
/* socket_mem */
if (strcmp(entry->name, "socket_mem") == 0) {
PARSE_ERROR_DUPLICATE((p->socket_mem == NULL),
section_name,
entry->name);
p->socket_mem = strdup(entry->value);
continue;
}
/* huge_dir */
if (strcmp(entry->name, "huge_dir") == 0) {
PARSE_ERROR_DUPLICATE((p->huge_dir == NULL),
section_name,
entry->name);
p->huge_dir = strdup(entry->value);
continue;
}
/* file_prefix */
if (strcmp(entry->name, "file_prefix") == 0) {
PARSE_ERROR_DUPLICATE((p->file_prefix == NULL),
section_name,
entry->name);
p->file_prefix = strdup(entry->value);
continue;
}
/* base_virtaddr */
if (strcmp(entry->name, "base_virtaddr") == 0) {
PARSE_ERROR_DUPLICATE((p->base_virtaddr == NULL),
section_name,
entry->name);
p->base_virtaddr = strdup(entry->value);
continue;
}
/* create_uio_dev */
if (strcmp(entry->name, "create_uio_dev") == 0) {
int val;
PARSE_ERROR_DUPLICATE((p->create_uio_dev_present == 0),
section_name,
entry->name);
p->create_uio_dev_present = 1;
val = parser_read_arg_bool(entry->value);
PARSE_ERROR((val >= 0), section_name, entry->name);
p->create_uio_dev = val;
continue;
}
/* vfio_intr */
if (strcmp(entry->name, "vfio_intr") == 0) {
PARSE_ERROR_DUPLICATE((p->vfio_intr == NULL),
section_name,
entry->name);
p->vfio_intr = strdup(entry->value);
continue;
}
/* unrecognized */
PARSE_ERROR_INVALID(0, section_name, entry->name);
}
free(entries);
}
static void
parse_pipeline_pktq_in(struct app_params *app,
struct app_pipeline_params *p,
char *value)
{
p->n_pktq_in = 0;
while (1) {
enum app_pktq_in_type type;
int id;
char *name = strtok_r(value, PARSE_DELIMITER, &value);
if (name == NULL)
break;
PARSE_ERROR_TOO_MANY_ELEMENTS(
(p->n_pktq_in < RTE_DIM(p->pktq_in)),
p->name, "pktq_in", (uint32_t)RTE_DIM(p->pktq_in));
if (validate_name(name, "RXQ", 2) == 0) {
type = APP_PKTQ_IN_HWQ;
id = APP_PARAM_ADD(app->hwq_in_params, name);
APP_PARAM_ADD_LINK_FOR_RXQ(app, name);
} else if (validate_name(name, "SWQ", 1) == 0) {
type = APP_PKTQ_IN_SWQ;
id = APP_PARAM_ADD(app->swq_params, name);
} else if (validate_name(name, "TM", 1) == 0) {
type = APP_PKTQ_IN_TM;
id = APP_PARAM_ADD(app->tm_params, name);
APP_PARAM_ADD_LINK_FOR_TM(app, name);
} else if (validate_name(name, "TAP", 1) == 0) {
type = APP_PKTQ_IN_TAP;
id = APP_PARAM_ADD(app->tap_params, name);
} else if (validate_name(name, "KNI", 1) == 0) {
type = APP_PKTQ_IN_KNI;
id = APP_PARAM_ADD(app->kni_params, name);
APP_PARAM_ADD_LINK_FOR_KNI(app, name);
} else if (validate_name(name, "SOURCE", 1) == 0) {
type = APP_PKTQ_IN_SOURCE;
id = APP_PARAM_ADD(app->source_params, name);
} else
PARSE_ERROR_INVALID_ELEMENT(0,
p->name, "pktq_in", name);
p->pktq_in[p->n_pktq_in].type = type;
p->pktq_in[p->n_pktq_in].id = (uint32_t) id;
p->n_pktq_in++;
}
PARSE_ERROR_NO_ELEMENTS((p->n_pktq_in > 0), p->name, "pktq_in");
}
static void
parse_pipeline_pktq_out(struct app_params *app,
struct app_pipeline_params *p,
char *value)
{
p->n_pktq_out = 0;
while (1) {
enum app_pktq_out_type type;
int id;
char *name = strtok_r(value, PARSE_DELIMITER, &value);
if (name == NULL)
break;
PARSE_ERROR_TOO_MANY_ELEMENTS(
(p->n_pktq_out < RTE_DIM(p->pktq_out)),
p->name, "pktq_out", (uint32_t)RTE_DIM(p->pktq_out));
if (validate_name(name, "TXQ", 2) == 0) {
type = APP_PKTQ_OUT_HWQ;
id = APP_PARAM_ADD(app->hwq_out_params, name);
APP_PARAM_ADD_LINK_FOR_TXQ(app, name);
} else if (validate_name(name, "SWQ", 1) == 0) {
type = APP_PKTQ_OUT_SWQ;
id = APP_PARAM_ADD(app->swq_params, name);
} else if (validate_name(name, "TM", 1) == 0) {
type = APP_PKTQ_OUT_TM;
id = APP_PARAM_ADD(app->tm_params, name);
APP_PARAM_ADD_LINK_FOR_TM(app, name);
} else if (validate_name(name, "TAP", 1) == 0) {
type = APP_PKTQ_OUT_TAP;
id = APP_PARAM_ADD(app->tap_params, name);
} else if (validate_name(name, "KNI", 1) == 0) {
type = APP_PKTQ_OUT_KNI;
id = APP_PARAM_ADD(app->kni_params, name);
APP_PARAM_ADD_LINK_FOR_KNI(app, name);
} else if (validate_name(name, "SINK", 1) == 0) {
type = APP_PKTQ_OUT_SINK;
id = APP_PARAM_ADD(app->sink_params, name);
} else
PARSE_ERROR_INVALID_ELEMENT(0,
p->name, "pktq_out", name);
p->pktq_out[p->n_pktq_out].type = type;
p->pktq_out[p->n_pktq_out].id = id;
p->n_pktq_out++;
}
PARSE_ERROR_NO_ELEMENTS((p->n_pktq_out > 0), p->name, "pktq_out");
}
static void
parse_pipeline_msgq_in(struct app_params *app,
struct app_pipeline_params *p,
char *value)
{
p->n_msgq_in = 0;
while (1) {
int idx;
char *name = strtok_r(value, PARSE_DELIMITER, &value);
if (name == NULL)
break;
PARSE_ERROR_TOO_MANY_ELEMENTS(
(p->n_msgq_in < RTE_DIM(p->msgq_in)),
p->name, "msgq_in", (uint32_t)(RTE_DIM(p->msgq_in)));
PARSE_ERROR_INVALID_ELEMENT(
(validate_name(name, "MSGQ", 1) == 0),
p->name, "msgq_in", name);
idx = APP_PARAM_ADD(app->msgq_params, name);
p->msgq_in[p->n_msgq_in] = idx;
p->n_msgq_in++;
}
PARSE_ERROR_NO_ELEMENTS((p->n_msgq_in > 0), p->name, "msgq_in");
}
static void
parse_pipeline_msgq_out(struct app_params *app,
struct app_pipeline_params *p,
char *value)
{
p->n_msgq_out = 0;
while (1) {
int idx;
char *name = strtok_r(value, PARSE_DELIMITER, &value);
if (name == NULL)
break;
PARSE_ERROR_TOO_MANY_ELEMENTS(
(p->n_msgq_out < RTE_DIM(p->msgq_out)),
p->name, "msgq_out", (uint32_t)RTE_DIM(p->msgq_out));
PARSE_ERROR_INVALID_ELEMENT(
(validate_name(name, "MSGQ", 1) == 0),
p->name, "msgq_out", name);
idx = APP_PARAM_ADD(app->msgq_params, name);
p->msgq_out[p->n_msgq_out] = idx;
p->n_msgq_out++;
}
PARSE_ERROR_NO_ELEMENTS((p->n_msgq_out > 0), p->name, "msgq_out");
}
static void
parse_pipeline(struct app_params *app,
const char *section_name,
struct rte_cfgfile *cfg)
{
char name[CFG_NAME_LEN];
struct app_pipeline_params *param;
struct rte_cfgfile_entry *entries;
ssize_t param_idx;
int n_entries, i;
n_entries = rte_cfgfile_section_num_entries(cfg, section_name);
PARSE_ERROR_SECTION_NO_ENTRIES((n_entries > 0), section_name);
entries = malloc(n_entries * sizeof(struct rte_cfgfile_entry));
PARSE_ERROR_MALLOC(entries != NULL);
rte_cfgfile_section_entries(cfg, section_name, entries, n_entries);
param_idx = APP_PARAM_ADD(app->pipeline_params, section_name);
param = &app->pipeline_params[param_idx];
PARSE_CHECK_DUPLICATE_SECTION(param);
for (i = 0; i < n_entries; i++) {
struct rte_cfgfile_entry *ent = &entries[i];
if (strcmp(ent->name, "type") == 0) {
int w_size = snprintf(param->type, RTE_DIM(param->type),
"%s", ent->value);
PARSE_ERROR(((w_size > 0) &&
(w_size < (int)RTE_DIM(param->type))),
section_name,
ent->name);
continue;
}
if (strcmp(ent->name, "core") == 0) {
int status = parse_pipeline_core(
&param->socket_id, &param->core_id,
&param->hyper_th_id, ent->value);
PARSE_ERROR((status == 0), section_name,
ent->name);
continue;
}
if (strcmp(ent->name, "pktq_in") == 0) {
parse_pipeline_pktq_in(app, param, ent->value);
continue;
}
if (strcmp(ent->name, "pktq_out") == 0) {
parse_pipeline_pktq_out(app, param, ent->value);
continue;
}
if (strcmp(ent->name, "msgq_in") == 0) {
parse_pipeline_msgq_in(app, param, ent->value);
continue;
}
if (strcmp(ent->name, "msgq_out") == 0) {
parse_pipeline_msgq_out(app, param, ent->value);
continue;
}
if (strcmp(ent->name, "timer_period") == 0) {
int status = parser_read_uint32(
&param->timer_period,
ent->value);
PARSE_ERROR((status == 0), section_name,
ent->name);
continue;
}
/* pipeline type specific items */
APP_CHECK((param->n_args < APP_MAX_PIPELINE_ARGS),
"Parse error in section \"%s\": too many "
"pipeline specified parameters", section_name);
param->args_name[param->n_args] = strdup(ent->name);
param->args_value[param->n_args] = strdup(ent->value);
APP_CHECK((param->args_name[param->n_args] != NULL) &&
(param->args_value[param->n_args] != NULL),
"Parse error: no free memory");
param->n_args++;
}
snprintf(name, sizeof(name), "MSGQ-REQ-%s", section_name);
param_idx = APP_PARAM_ADD(app->msgq_params, name);
app->msgq_params[param_idx].cpu_socket_id = param->socket_id;
param->msgq_in[param->n_msgq_in++] = param_idx;
snprintf(name, sizeof(name), "MSGQ-RSP-%s", section_name);
param_idx = APP_PARAM_ADD(app->msgq_params, name);
app->msgq_params[param_idx].cpu_socket_id = param->socket_id;
param->msgq_out[param->n_msgq_out++] = param_idx;
snprintf(name, sizeof(name), "MSGQ-REQ-CORE-s%" PRIu32 "c%" PRIu32 "%s",
param->socket_id,
param->core_id,
(param->hyper_th_id) ? "h" : "");
param_idx = APP_PARAM_ADD(app->msgq_params, name);
app->msgq_params[param_idx].cpu_socket_id = param->socket_id;
snprintf(name, sizeof(name), "MSGQ-RSP-CORE-s%" PRIu32 "c%" PRIu32 "%s",
param->socket_id,
param->core_id,
(param->hyper_th_id) ? "h" : "");
param_idx = APP_PARAM_ADD(app->msgq_params, name);
app->msgq_params[param_idx].cpu_socket_id = param->socket_id;
free(entries);
}
static void
parse_mempool(struct app_params *app,
const char *section_name,
struct rte_cfgfile *cfg)
{
struct app_mempool_params *param;
struct rte_cfgfile_entry *entries;
ssize_t param_idx;
int n_entries, i;
n_entries = rte_cfgfile_section_num_entries(cfg, section_name);
PARSE_ERROR_SECTION_NO_ENTRIES((n_entries > 0), section_name);
entries = malloc(n_entries * sizeof(struct rte_cfgfile_entry));
PARSE_ERROR_MALLOC(entries != NULL);
rte_cfgfile_section_entries(cfg, section_name, entries, n_entries);
param_idx = APP_PARAM_ADD(app->mempool_params, section_name);
param = &app->mempool_params[param_idx];
PARSE_CHECK_DUPLICATE_SECTION(param);
for (i = 0; i < n_entries; i++) {
struct rte_cfgfile_entry *ent = &entries[i];
if (strcmp(ent->name, "buffer_size") == 0) {
int status = parser_read_uint32(
&param->buffer_size, ent->value);
PARSE_ERROR((status == 0), section_name,
ent->name);
continue;
}
if (strcmp(ent->name, "pool_size") == 0) {
int status = parser_read_uint32(
&param->pool_size, ent->value);
PARSE_ERROR((status == 0), section_name,
ent->name);
continue;
}
if (strcmp(ent->name, "cache_size") == 0) {
int status = parser_read_uint32(
&param->cache_size, ent->value);
PARSE_ERROR((status == 0), section_name,
ent->name);
continue;
}
if (strcmp(ent->name, "cpu") == 0) {
int status = parser_read_uint32(
&param->cpu_socket_id, ent->value);
PARSE_ERROR((status == 0), section_name,
ent->name);
continue;
}
/* unrecognized */
PARSE_ERROR_INVALID(0, section_name, ent->name);
}
free(entries);
}
static int
parse_link_rss_qs(struct app_link_params *p,
char *value)
{
p->n_rss_qs = 0;
while (1) {
char *token = strtok_r(value, PARSE_DELIMITER, &value);
if (token == NULL)
break;
if (p->n_rss_qs == RTE_DIM(p->rss_qs))
return -ENOMEM;
if (parser_read_uint32(&p->rss_qs[p->n_rss_qs++], token))
return -EINVAL;
}
return 0;
}
static int
parse_link_rss_proto_ipv4(struct app_link_params *p,
char *value)
{
uint64_t mask = 0;
while (1) {
char *token = strtok_r(value, PARSE_DELIMITER, &value);
if (token == NULL)
break;
if (strcmp(token, "IP") == 0) {
mask |= ETH_RSS_IPV4;
continue;
}
if (strcmp(token, "FRAG") == 0) {
mask |= ETH_RSS_FRAG_IPV4;
continue;
}
if (strcmp(token, "TCP") == 0) {
mask |= ETH_RSS_NONFRAG_IPV4_TCP;
continue;
}
if (strcmp(token, "UDP") == 0) {
mask |= ETH_RSS_NONFRAG_IPV4_UDP;
continue;
}
if (strcmp(token, "SCTP") == 0) {
mask |= ETH_RSS_NONFRAG_IPV4_SCTP;
continue;
}
if (strcmp(token, "OTHER") == 0) {
mask |= ETH_RSS_NONFRAG_IPV4_OTHER;
continue;
}
return -EINVAL;
}
p->rss_proto_ipv4 = mask;
return 0;
}
static int
parse_link_rss_proto_ipv6(struct app_link_params *p,
char *value)
{
uint64_t mask = 0;
while (1) {
char *token = strtok_r(value, PARSE_DELIMITER, &value);
if (token == NULL)
break;
if (strcmp(token, "IP") == 0) {
mask |= ETH_RSS_IPV6;
continue;
}
if (strcmp(token, "FRAG") == 0) {
mask |= ETH_RSS_FRAG_IPV6;
continue;
}
if (strcmp(token, "TCP") == 0) {
mask |= ETH_RSS_NONFRAG_IPV6_TCP;
continue;
}
if (strcmp(token, "UDP") == 0) {
mask |= ETH_RSS_NONFRAG_IPV6_UDP;
continue;
}
if (strcmp(token, "SCTP") == 0) {
mask |= ETH_RSS_NONFRAG_IPV6_SCTP;
continue;
}
if (strcmp(token, "OTHER") == 0) {
mask |= ETH_RSS_NONFRAG_IPV6_OTHER;
continue;
}
if (strcmp(token, "IP_EX") == 0) {
mask |= ETH_RSS_IPV6_EX;
continue;
}
if (strcmp(token, "TCP_EX") == 0) {
mask |= ETH_RSS_IPV6_TCP_EX;
continue;
}
if (strcmp(token, "UDP_EX") == 0) {
mask |= ETH_RSS_IPV6_UDP_EX;
continue;
}
return -EINVAL;
}
p->rss_proto_ipv6 = mask;
return 0;
}
static int
parse_link_rss_proto_l2(struct app_link_params *p,
char *value)
{
uint64_t mask = 0;
while (1) {
char *token = strtok_r(value, PARSE_DELIMITER, &value);
if (token == NULL)
break;
if (strcmp(token, "L2") == 0) {
mask |= ETH_RSS_L2_PAYLOAD;
continue;
}
return -EINVAL;
}
p->rss_proto_l2 = mask;
return 0;
}
static void
parse_link(struct app_params *app,
const char *section_name,
struct rte_cfgfile *cfg)
{
struct app_link_params *param;
struct rte_cfgfile_entry *entries;
int n_entries, i;
int rss_qs_present = 0;
int rss_proto_ipv4_present = 0;
int rss_proto_ipv6_present = 0;
int rss_proto_l2_present = 0;
int pci_bdf_present = 0;
ssize_t param_idx;
n_entries = rte_cfgfile_section_num_entries(cfg, section_name);
PARSE_ERROR_SECTION_NO_ENTRIES((n_entries > 0), section_name);
entries = malloc(n_entries * sizeof(struct rte_cfgfile_entry));
PARSE_ERROR_MALLOC(entries != NULL);
rte_cfgfile_section_entries(cfg, section_name, entries, n_entries);
param_idx = APP_PARAM_ADD(app->link_params, section_name);
param = &app->link_params[param_idx];
PARSE_CHECK_DUPLICATE_SECTION(param);
for (i = 0; i < n_entries; i++) {
struct rte_cfgfile_entry *ent = &entries[i];
if (strcmp(ent->name, "promisc") == 0) {
int status = parser_read_arg_bool(ent->value);
PARSE_ERROR((status != -EINVAL), section_name,
ent->name);
param->promisc = status;
continue;
}
if (strcmp(ent->name, "arp_q") == 0) {
int status = parser_read_uint32(&param->arp_q,
ent->value);
PARSE_ERROR((status == 0), section_name,
ent->name);
continue;
}
if (strcmp(ent->name, "tcp_syn_q") == 0) {
int status = parser_read_uint32(
&param->tcp_syn_q, ent->value);
PARSE_ERROR((status == 0), section_name, ent->name);
continue;
}
if (strcmp(ent->name, "ip_local_q") == 0) {
int status = parser_read_uint32(
&param->ip_local_q, ent->value);
PARSE_ERROR((status == 0), section_name,
ent->name);
continue;
}
if (strcmp(ent->name, "tcp_local_q") == 0) {
int status = parser_read_uint32(
&param->tcp_local_q, ent->value);
PARSE_ERROR((status == 0), section_name,
ent->name);
continue;
}
if (strcmp(ent->name, "udp_local_q") == 0) {
int status = parser_read_uint32(
&param->udp_local_q, ent->value);
PARSE_ERROR((status == 0), section_name,
ent->name);
continue;
}
if (strcmp(ent->name, "sctp_local_q") == 0) {
int status = parser_read_uint32(
&param->sctp_local_q, ent->value);
PARSE_ERROR((status == 0), section_name,
ent->name);
continue;
}
if (strcmp(ent->name, "rss_qs") == 0) {
int status = parse_link_rss_qs(param, ent->value);
PARSE_ERROR((status == 0), section_name,
ent->name);
rss_qs_present = 1;
continue;
}
if (strcmp(ent->name, "rss_proto_ipv4") == 0) {
int status =
parse_link_rss_proto_ipv4(param, ent->value);
PARSE_ERROR((status != -EINVAL), section_name,
ent->name);
rss_proto_ipv4_present = 1;
continue;
}
if (strcmp(ent->name, "rss_proto_ipv6") == 0) {
int status =
parse_link_rss_proto_ipv6(param, ent->value);
PARSE_ERROR((status != -EINVAL), section_name,
ent->name);
rss_proto_ipv6_present = 1;
continue;
}
if (strcmp(ent->name, "rss_proto_l2") == 0) {
int status = parse_link_rss_proto_l2(param, ent->value);
PARSE_ERROR((status != -EINVAL), section_name,
ent->name);
rss_proto_l2_present = 1;
continue;
}
if (strcmp(ent->name, "pci_bdf") == 0) {
PARSE_ERROR_DUPLICATE((pci_bdf_present == 0),
section_name, ent->name);
snprintf(param->pci_bdf, APP_LINK_PCI_BDF_SIZE,
"%s", ent->value);
pci_bdf_present = 1;
continue;
}
/* unrecognized */
PARSE_ERROR_INVALID(0, section_name, ent->name);
}
/* Check for mandatory fields */
if (app->port_mask)
PARSE_ERROR_MESSAGE((pci_bdf_present == 0),
section_name, "pci_bdf",
"entry not allowed (port_mask is provided)");
else
PARSE_ERROR_MESSAGE((pci_bdf_present),
section_name, "pci_bdf",
"this entry is mandatory (port_mask is not "
"provided)");
if (rss_proto_ipv4_present)
PARSE_ERROR_MESSAGE((rss_qs_present),
section_name, "rss_proto_ipv4",
"entry not allowed (rss_qs entry is not provided)");
if (rss_proto_ipv6_present)
PARSE_ERROR_MESSAGE((rss_qs_present),
section_name, "rss_proto_ipv6",
"entry not allowed (rss_qs entry is not provided)");
if (rss_proto_l2_present)
PARSE_ERROR_MESSAGE((rss_qs_present),
section_name, "rss_proto_l2",
"entry not allowed (rss_qs entry is not provided)");
if (rss_proto_ipv4_present |
rss_proto_ipv6_present |
rss_proto_l2_present){
if (rss_proto_ipv4_present == 0)
param->rss_proto_ipv4 = 0;
if (rss_proto_ipv6_present == 0)
param->rss_proto_ipv6 = 0;
if (rss_proto_l2_present == 0)
param->rss_proto_l2 = 0;
}
free(entries);
}
static void
parse_rxq(struct app_params *app,
const char *section_name,
struct rte_cfgfile *cfg)
{
struct app_pktq_hwq_in_params *param;
struct rte_cfgfile_entry *entries;
int n_entries, i;
ssize_t param_idx;
n_entries = rte_cfgfile_section_num_entries(cfg, section_name);
PARSE_ERROR_SECTION_NO_ENTRIES((n_entries > 0), section_name);
entries = malloc(n_entries * sizeof(struct rte_cfgfile_entry));
PARSE_ERROR_MALLOC(entries != NULL);
rte_cfgfile_section_entries(cfg, section_name, entries, n_entries);
param_idx = APP_PARAM_ADD(app->hwq_in_params, section_name);
param = &app->hwq_in_params[param_idx];
PARSE_CHECK_DUPLICATE_SECTION(param);
APP_PARAM_ADD_LINK_FOR_RXQ(app, section_name);
for (i = 0; i < n_entries; i++) {
struct rte_cfgfile_entry *ent = &entries[i];
if (strcmp(ent->name, "mempool") == 0) {
int status = validate_name(ent->value,
"MEMPOOL", 1);
ssize_t idx;
PARSE_ERROR((status == 0), section_name,
ent->name);
idx = APP_PARAM_ADD(app->mempool_params, ent->value);
param->mempool_id = idx;
continue;
}
if (strcmp(ent->name, "size") == 0) {
int status = parser_read_uint32(&param->size,
ent->value);
PARSE_ERROR((status == 0), section_name,
ent->name);
continue;
}
if (strcmp(ent->name, "burst") == 0) {
int status = parser_read_uint32(&param->burst,
ent->value);
PARSE_ERROR((status == 0), section_name,
ent->name);
continue;
}
/* unrecognized */
PARSE_ERROR_INVALID(0, section_name, ent->name);
}
free(entries);
}
static void
parse_txq(struct app_params *app,
const char *section_name,
struct rte_cfgfile *cfg)
{
struct app_pktq_hwq_out_params *param;
struct rte_cfgfile_entry *entries;
int n_entries, i;
ssize_t param_idx;
n_entries = rte_cfgfile_section_num_entries(cfg, section_name);
PARSE_ERROR_SECTION_NO_ENTRIES((n_entries > 0), section_name);
entries = malloc(n_entries * sizeof(struct rte_cfgfile_entry));
PARSE_ERROR_MALLOC(entries != NULL);
rte_cfgfile_section_entries(cfg, section_name, entries, n_entries);
param_idx = APP_PARAM_ADD(app->hwq_out_params, section_name);
param = &app->hwq_out_params[param_idx];
PARSE_CHECK_DUPLICATE_SECTION(param);
APP_PARAM_ADD_LINK_FOR_TXQ(app, section_name);
for (i = 0; i < n_entries; i++) {
struct rte_cfgfile_entry *ent = &entries[i];
if (strcmp(ent->name, "size") == 0) {
int status = parser_read_uint32(&param->size,
ent->value);
PARSE_ERROR((status == 0), section_name,
ent->name);
continue;
}
if (strcmp(ent->name, "burst") == 0) {
int status = parser_read_uint32(&param->burst,
ent->value);
PARSE_ERROR((status == 0), section_name,
ent->name);
continue;
}
if (strcmp(ent->name, "dropless") == 0) {
int status = parser_read_arg_bool(ent->value);
PARSE_ERROR((status != -EINVAL), section_name,
ent->name);
param->dropless = status;
continue;
}
if (strcmp(ent->name, "n_retries") == 0) {
int status = parser_read_uint64(&param->n_retries,
ent->value);
PARSE_ERROR((status == 0), section_name,
ent->name);
continue;
}
/* unrecognized */
PARSE_ERROR_INVALID(0, section_name, ent->name);
}
free(entries);
}
static void
parse_swq(struct app_params *app,
const char *section_name,
struct rte_cfgfile *cfg)
{
struct app_pktq_swq_params *param;
struct rte_cfgfile_entry *entries;
int n_entries, i;
uint32_t mtu_present = 0;
uint32_t metadata_size_present = 0;
uint32_t mempool_direct_present = 0;
uint32_t mempool_indirect_present = 0;
ssize_t param_idx;
n_entries = rte_cfgfile_section_num_entries(cfg, section_name);
PARSE_ERROR_SECTION_NO_ENTRIES((n_entries > 0), section_name);
entries = malloc(n_entries * sizeof(struct rte_cfgfile_entry));
PARSE_ERROR_MALLOC(entries != NULL);
rte_cfgfile_section_entries(cfg, section_name, entries, n_entries);
param_idx = APP_PARAM_ADD(app->swq_params, section_name);
param = &app->swq_params[param_idx];
PARSE_CHECK_DUPLICATE_SECTION(param);
for (i = 0; i < n_entries; i++) {
struct rte_cfgfile_entry *ent = &entries[i];
if (strcmp(ent->name, "size") == 0) {
int status = parser_read_uint32(&param->size,
ent->value);
PARSE_ERROR((status == 0), section_name,
ent->name);
continue;
}
if (strcmp(ent->name, "burst_read") == 0) {
int status = parser_read_uint32(&
param->burst_read, ent->value);
PARSE_ERROR((status == 0), section_name,
ent->name);
continue;
}
if (strcmp(ent->name, "burst_write") == 0) {
int status = parser_read_uint32(
&param->burst_write, ent->value);
PARSE_ERROR((status == 0), section_name,
ent->name);
continue;
}
if (strcmp(ent->name, "dropless") == 0) {
int status = parser_read_arg_bool(ent->value);
PARSE_ERROR((status != -EINVAL), section_name,
ent->name);
param->dropless = status;
continue;
}
if (strcmp(ent->name, "n_retries") == 0) {
int status = parser_read_uint64(&param->n_retries,
ent->value);
PARSE_ERROR((status == 0), section_name,
ent->name);
continue;
}
if (strcmp(ent->name, "cpu") == 0) {
int status = parser_read_uint32(
&param->cpu_socket_id, ent->value);
PARSE_ERROR((status == 0), section_name, ent->name);
continue;
}
if (strcmp(ent->name, "ipv4_frag") == 0) {
int status = parser_read_arg_bool(ent->value);
PARSE_ERROR((status != -EINVAL), section_name,
ent->name);
param->ipv4_frag = status;
if (param->mtu == 0)
param->mtu = 1500;
continue;
}
if (strcmp(ent->name, "ipv6_frag") == 0) {
int status = parser_read_arg_bool(ent->value);
PARSE_ERROR((status != -EINVAL), section_name,
ent->name);
param->ipv6_frag = status;
if (param->mtu == 0)
param->mtu = 1320;
continue;
}
if (strcmp(ent->name, "ipv4_ras") == 0) {
int status = parser_read_arg_bool(ent->value);
PARSE_ERROR((status != -EINVAL), section_name,
ent->name);
param->ipv4_ras = status;
continue;
}
if (strcmp(ent->name, "ipv6_ras") == 0) {
int status = parser_read_arg_bool(ent->value);
PARSE_ERROR((status != -EINVAL), section_name,
ent->name);
param->ipv6_ras = status;
continue;
}
if (strcmp(ent->name, "mtu") == 0) {
int status = parser_read_uint32(&param->mtu,
ent->value);
PARSE_ERROR((status == 0), section_name,
ent->name);
mtu_present = 1;
continue;
}
if (strcmp(ent->name, "metadata_size") == 0) {
int status = parser_read_uint32(
&param->metadata_size, ent->value);
PARSE_ERROR((status == 0), section_name,
ent->name);
metadata_size_present = 1;
continue;
}
if (strcmp(ent->name, "mempool_direct") == 0) {
int status = validate_name(ent->value,
"MEMPOOL", 1);
ssize_t idx;
PARSE_ERROR((status == 0), section_name,
ent->name);
idx = APP_PARAM_ADD(app->mempool_params, ent->value);
param->mempool_direct_id = idx;
mempool_direct_present = 1;
continue;
}
if (strcmp(ent->name, "mempool_indirect") == 0) {
int status = validate_name(ent->value,
"MEMPOOL", 1);
ssize_t idx;
PARSE_ERROR((status == 0), section_name,
ent->name);
idx = APP_PARAM_ADD(app->mempool_params, ent->value);
param->mempool_indirect_id = idx;
mempool_indirect_present = 1;
continue;
}
/* unrecognized */
PARSE_ERROR_INVALID(0, section_name, ent->name);
}
APP_CHECK(((mtu_present == 0) ||
((param->ipv4_frag == 1) || (param->ipv6_frag == 1))),
"Parse error in section \"%s\": IPv4/IPv6 fragmentation "
"is off, therefore entry \"mtu\" is not allowed",
section_name);
APP_CHECK(((metadata_size_present == 0) ||
((param->ipv4_frag == 1) || (param->ipv6_frag == 1))),
"Parse error in section \"%s\": IPv4/IPv6 fragmentation "
"is off, therefore entry \"metadata_size\" is "
"not allowed", section_name);
APP_CHECK(((mempool_direct_present == 0) ||
((param->ipv4_frag == 1) || (param->ipv6_frag == 1))),
"Parse error in section \"%s\": IPv4/IPv6 fragmentation "
"is off, therefore entry \"mempool_direct\" is "
"not allowed", section_name);
APP_CHECK(((mempool_indirect_present == 0) ||
((param->ipv4_frag == 1) || (param->ipv6_frag == 1))),
"Parse error in section \"%s\": IPv4/IPv6 fragmentation "
"is off, therefore entry \"mempool_indirect\" is "
"not allowed", section_name);
free(entries);
}
static void
parse_tm(struct app_params *app,
const char *section_name,
struct rte_cfgfile *cfg)
{
struct app_pktq_tm_params *param;
struct rte_cfgfile_entry *entries;
int n_entries, i;
ssize_t param_idx;
n_entries = rte_cfgfile_section_num_entries(cfg, section_name);
PARSE_ERROR_SECTION_NO_ENTRIES((n_entries > 0), section_name);
entries = malloc(n_entries * sizeof(struct rte_cfgfile_entry));
PARSE_ERROR_MALLOC(entries != NULL);
rte_cfgfile_section_entries(cfg, section_name, entries, n_entries);
param_idx = APP_PARAM_ADD(app->tm_params, section_name);
param = &app->tm_params[param_idx];
PARSE_CHECK_DUPLICATE_SECTION(param);
APP_PARAM_ADD_LINK_FOR_TM(app, section_name);
for (i = 0; i < n_entries; i++) {
struct rte_cfgfile_entry *ent = &entries[i];
if (strcmp(ent->name, "cfg") == 0) {
param->file_name = strdup(ent->value);
PARSE_ERROR_MALLOC(param->file_name != NULL);
continue;
}
if (strcmp(ent->name, "burst_read") == 0) {
int status = parser_read_uint32(
&param->burst_read, ent->value);
PARSE_ERROR((status == 0), section_name,
ent->name);
continue;
}
if (strcmp(ent->name, "burst_write") == 0) {
int status = parser_read_uint32(
&param->burst_write, ent->value);
PARSE_ERROR((status == 0), section_name,
ent->name);
continue;
}
/* unrecognized */
PARSE_ERROR_INVALID(0, section_name, ent->name);
}
free(entries);
}
static void
parse_tap(struct app_params *app,
const char *section_name,
struct rte_cfgfile *cfg)
{
struct app_pktq_tap_params *param;
struct rte_cfgfile_entry *entries;
int n_entries, i;
ssize_t param_idx;
n_entries = rte_cfgfile_section_num_entries(cfg, section_name);
PARSE_ERROR_SECTION_NO_ENTRIES((n_entries > 0), section_name);
entries = malloc(n_entries * sizeof(struct rte_cfgfile_entry));
PARSE_ERROR_MALLOC(entries != NULL);
rte_cfgfile_section_entries(cfg, section_name, entries, n_entries);
param_idx = APP_PARAM_ADD(app->tap_params, section_name);
param = &app->tap_params[param_idx];
PARSE_CHECK_DUPLICATE_SECTION(param);
for (i = 0; i < n_entries; i++) {
struct rte_cfgfile_entry *ent = &entries[i];
if (strcmp(ent->name, "burst_read") == 0) {
int status = parser_read_uint32(
&param->burst_read, ent->value);
PARSE_ERROR((status == 0), section_name,
ent->name);
continue;
}
if (strcmp(ent->name, "burst_write") == 0) {
int status = parser_read_uint32(
&param->burst_write, ent->value);
PARSE_ERROR((status == 0), section_name,
ent->name);
continue;
}
if (strcmp(ent->name, "dropless") == 0) {
int status = parser_read_arg_bool(ent->value);
PARSE_ERROR((status != -EINVAL), section_name,
ent->name);
param->dropless = status;
continue;
}
if (strcmp(ent->name, "n_retries") == 0) {
int status = parser_read_uint64(&param->n_retries,
ent->value);
PARSE_ERROR((status == 0), section_name,
ent->name);
continue;
}
if (strcmp(ent->name, "mempool") == 0) {
int status = validate_name(ent->value,
"MEMPOOL", 1);
ssize_t idx;
PARSE_ERROR((status == 0), section_name,
ent->name);
idx = APP_PARAM_ADD(app->mempool_params, ent->value);
param->mempool_id = idx;
continue;
}
/* unrecognized */
PARSE_ERROR_INVALID(0, section_name, ent->name);
}
free(entries);
}
static void
parse_kni(struct app_params *app,
const char *section_name,
struct rte_cfgfile *cfg)
{
struct app_pktq_kni_params *param;
struct rte_cfgfile_entry *entries;
int n_entries, i;
ssize_t param_idx;
n_entries = rte_cfgfile_section_num_entries(cfg, section_name);
PARSE_ERROR_SECTION_NO_ENTRIES((n_entries > 0), section_name);
entries = malloc(n_entries * sizeof(struct rte_cfgfile_entry));
PARSE_ERROR_MALLOC(entries != NULL);
rte_cfgfile_section_entries(cfg, section_name, entries, n_entries);
param_idx = APP_PARAM_ADD(app->kni_params, section_name);
param = &app->kni_params[param_idx];
PARSE_CHECK_DUPLICATE_SECTION(param);
APP_PARAM_ADD_LINK_FOR_KNI(app, section_name);
for (i = 0; i < n_entries; i++) {
struct rte_cfgfile_entry *ent = &entries[i];
if (strcmp(ent->name, "core") == 0) {
int status = parse_pipeline_core(
&param->socket_id,
&param->core_id,
&param->hyper_th_id,
ent->value);
PARSE_ERROR((status == 0), section_name,
ent->name);
param->force_bind = 1;
continue;
}
if (strcmp(ent->name, "mempool") == 0) {
int status = validate_name(ent->value,
"MEMPOOL", 1);
ssize_t idx;
PARSE_ERROR((status == 0), section_name,
ent->name);
idx = APP_PARAM_ADD(app->mempool_params, ent->value);
param->mempool_id = idx;
continue;
}
if (strcmp(ent->name, "burst_read") == 0) {
int status = parser_read_uint32(&param->burst_read,
ent->value);
PARSE_ERROR((status == 0), section_name,
ent->name);
continue;
}
if (strcmp(ent->name, "burst_write") == 0) {
int status = parser_read_uint32(&param->burst_write,
ent->value);
PARSE_ERROR((status == 0), section_name,
ent->name);
continue;
}
if (strcmp(ent->name, "dropless") == 0) {
int status = parser_read_arg_bool(ent->value);
PARSE_ERROR((status != -EINVAL), section_name,
ent->name);
param->dropless = status;
continue;
}
if (strcmp(ent->name, "n_retries") == 0) {
int status = parser_read_uint64(&param->n_retries,
ent->value);
PARSE_ERROR((status == 0), section_name,
ent->name);
continue;
}
/* unrecognized */
PARSE_ERROR_INVALID(0, section_name, ent->name);
}
free(entries);
}
static void
parse_source(struct app_params *app,
const char *section_name,
struct rte_cfgfile *cfg)
{
struct app_pktq_source_params *param;
struct rte_cfgfile_entry *entries;
int n_entries, i;
ssize_t param_idx;
uint32_t pcap_file_present = 0;
uint32_t pcap_size_present = 0;
n_entries = rte_cfgfile_section_num_entries(cfg, section_name);
PARSE_ERROR_SECTION_NO_ENTRIES((n_entries > 0), section_name);
entries = malloc(n_entries * sizeof(struct rte_cfgfile_entry));
PARSE_ERROR_MALLOC(entries != NULL);
rte_cfgfile_section_entries(cfg, section_name, entries, n_entries);
param_idx = APP_PARAM_ADD(app->source_params, section_name);
param = &app->source_params[param_idx];
PARSE_CHECK_DUPLICATE_SECTION(param);
for (i = 0; i < n_entries; i++) {
struct rte_cfgfile_entry *ent = &entries[i];
if (strcmp(ent->name, "mempool") == 0) {
int status = validate_name(ent->value,
"MEMPOOL", 1);
ssize_t idx;
PARSE_ERROR((status == 0), section_name,
ent->name);
idx = APP_PARAM_ADD(app->mempool_params, ent->value);
param->mempool_id = idx;
continue;
}
if (strcmp(ent->name, "burst") == 0) {
int status = parser_read_uint32(&param->burst,
ent->value);
PARSE_ERROR((status == 0), section_name,
ent->name);
continue;
}
if (strcmp(ent->name, "pcap_file_rd") == 0) {
PARSE_ERROR_DUPLICATE((pcap_file_present == 0),
section_name, ent->name);
param->file_name = strdup(ent->value);
PARSE_ERROR_MALLOC(param->file_name != NULL);
pcap_file_present = 1;
continue;
}
if (strcmp(ent->name, "pcap_bytes_rd_per_pkt") == 0) {
int status;
PARSE_ERROR_DUPLICATE((pcap_size_present == 0),
section_name, ent->name);
status = parser_read_uint32(
&param->n_bytes_per_pkt, ent->value);
PARSE_ERROR((status == 0), section_name,
ent->name);
pcap_size_present = 1;
continue;
}
/* unrecognized */
PARSE_ERROR_INVALID(0, section_name, ent->name);
}
free(entries);
}
static void
parse_sink(struct app_params *app,
const char *section_name,
struct rte_cfgfile *cfg)
{
struct app_pktq_sink_params *param;
struct rte_cfgfile_entry *entries;
int n_entries, i;
ssize_t param_idx;
uint32_t pcap_file_present = 0;
uint32_t pcap_n_pkt_present = 0;
n_entries = rte_cfgfile_section_num_entries(cfg, section_name);
PARSE_ERROR_SECTION_NO_ENTRIES((n_entries > 0), section_name);
entries = malloc(n_entries * sizeof(struct rte_cfgfile_entry));
PARSE_ERROR_MALLOC(entries != NULL);
rte_cfgfile_section_entries(cfg, section_name, entries, n_entries);
param_idx = APP_PARAM_ADD(app->sink_params, section_name);
param = &app->sink_params[param_idx];
PARSE_CHECK_DUPLICATE_SECTION(param);
for (i = 0; i < n_entries; i++) {
struct rte_cfgfile_entry *ent = &entries[i];
if (strcmp(ent->name, "pcap_file_wr") == 0) {
PARSE_ERROR_DUPLICATE((pcap_file_present == 0),
section_name, ent->name);
param->file_name = strdup(ent->value);
PARSE_ERROR_MALLOC((param->file_name != NULL));
continue;
}
if (strcmp(ent->name, "pcap_n_pkt_wr") == 0) {
int status;
PARSE_ERROR_DUPLICATE((pcap_n_pkt_present == 0),
section_name, ent->name);
status = parser_read_uint32(
&param->n_pkts_to_dump, ent->value);
PARSE_ERROR((status == 0), section_name,
ent->name);
continue;
}
/* unrecognized */
PARSE_ERROR_INVALID(0, section_name, ent->name);
}
free(entries);
}
static void
parse_msgq_req_pipeline(struct app_params *app,
const char *section_name,
struct rte_cfgfile *cfg)
{
struct app_msgq_params *param;
struct rte_cfgfile_entry *entries;
int n_entries, i;
ssize_t param_idx;
n_entries = rte_cfgfile_section_num_entries(cfg, section_name);
PARSE_ERROR_SECTION_NO_ENTRIES((n_entries > 0), section_name);
entries = malloc(n_entries * sizeof(struct rte_cfgfile_entry));
PARSE_ERROR_MALLOC(entries != NULL);
rte_cfgfile_section_entries(cfg, section_name, entries, n_entries);
param_idx = APP_PARAM_ADD(app->msgq_params, section_name);
param = &app->msgq_params[param_idx];
PARSE_CHECK_DUPLICATE_SECTION(param);
for (i = 0; i < n_entries; i++) {
struct rte_cfgfile_entry *ent = &entries[i];
if (strcmp(ent->name, "size") == 0) {
int status = parser_read_uint32(&param->size,
ent->value);
PARSE_ERROR((status == 0), section_name,
ent->name);
continue;
}
/* unrecognized */
PARSE_ERROR_INVALID(0, section_name, ent->name);
}
free(entries);
}
static void
parse_msgq_rsp_pipeline(struct app_params *app,
const char *section_name,
struct rte_cfgfile *cfg)
{
struct app_msgq_params *param;
struct rte_cfgfile_entry *entries;
int n_entries, i;
ssize_t param_idx;
n_entries = rte_cfgfile_section_num_entries(cfg, section_name);
PARSE_ERROR_SECTION_NO_ENTRIES((n_entries > 0), section_name);
entries = malloc(n_entries * sizeof(struct rte_cfgfile_entry));
PARSE_ERROR_MALLOC(entries != NULL);
rte_cfgfile_section_entries(cfg, section_name, entries, n_entries);
param_idx = APP_PARAM_ADD(app->msgq_params, section_name);
param = &app->msgq_params[param_idx];
PARSE_CHECK_DUPLICATE_SECTION(param);
for (i = 0; i < n_entries; i++) {
struct rte_cfgfile_entry *ent = &entries[i];
if (strcmp(ent->name, "size") == 0) {
int status = parser_read_uint32(&param->size,
ent->value);
PARSE_ERROR((status == 0), section_name,
ent->name);
continue;
}
/* unrecognized */
PARSE_ERROR_INVALID(0, section_name, ent->name);
}
free(entries);
}
static void
parse_msgq(struct app_params *app,
const char *section_name,
struct rte_cfgfile *cfg)
{
struct app_msgq_params *param;
struct rte_cfgfile_entry *entries;
int n_entries, i;
ssize_t param_idx;
n_entries = rte_cfgfile_section_num_entries(cfg, section_name);
PARSE_ERROR_SECTION_NO_ENTRIES((n_entries > 0), section_name);
entries = malloc(n_entries * sizeof(struct rte_cfgfile_entry));
PARSE_ERROR_MALLOC(entries != NULL);
rte_cfgfile_section_entries(cfg, section_name, entries, n_entries);
param_idx = APP_PARAM_ADD(app->msgq_params, section_name);
param = &app->msgq_params[param_idx];
PARSE_CHECK_DUPLICATE_SECTION(param);
for (i = 0; i < n_entries; i++) {
struct rte_cfgfile_entry *ent = &entries[i];
if (strcmp(ent->name, "size") == 0) {
int status = parser_read_uint32(&param->size,
ent->value);
PARSE_ERROR((status == 0), section_name,
ent->name);
continue;
}
if (strcmp(ent->name, "cpu") == 0) {
int status = parser_read_uint32(
&param->cpu_socket_id, ent->value);
PARSE_ERROR((status == 0), section_name,
ent->name);
continue;
}
/* unrecognized */
PARSE_ERROR_INVALID(0, section_name, ent->name);
}
free(entries);
}
typedef void (*config_section_load)(struct app_params *p,
const char *section_name,
struct rte_cfgfile *cfg);
struct config_section {
const char prefix[CFG_NAME_LEN];
int numbers;
config_section_load load;
};
static const struct config_section cfg_file_scheme[] = {
{"EAL", 0, parse_eal},
{"PIPELINE", 1, parse_pipeline},
{"MEMPOOL", 1, parse_mempool},
{"LINK", 1, parse_link},
{"RXQ", 2, parse_rxq},
{"TXQ", 2, parse_txq},
{"SWQ", 1, parse_swq},
{"TM", 1, parse_tm},
{"TAP", 1, parse_tap},
{"KNI", 1, parse_kni},
{"SOURCE", 1, parse_source},
{"SINK", 1, parse_sink},
{"MSGQ-REQ-PIPELINE", 1, parse_msgq_req_pipeline},
{"MSGQ-RSP-PIPELINE", 1, parse_msgq_rsp_pipeline},
{"MSGQ", 1, parse_msgq},
};
static void
create_implicit_mempools(struct app_params *app)
{
APP_PARAM_ADD(app->mempool_params, "MEMPOOL0");
}
static void
create_implicit_links_from_port_mask(struct app_params *app,
uint64_t port_mask)
{
uint32_t pmd_id, link_id;
link_id = 0;
for (pmd_id = 0; pmd_id < RTE_MAX_ETHPORTS; pmd_id++) {
char name[APP_PARAM_NAME_SIZE];
ssize_t idx;
if ((port_mask & (1LLU << pmd_id)) == 0)
continue;
snprintf(name, sizeof(name), "LINK%" PRIu32, link_id);
idx = APP_PARAM_ADD(app->link_params, name);
app->link_params[idx].pmd_id = pmd_id;
link_id++;
}
}
static void
assign_link_pmd_id_from_pci_bdf(struct app_params *app)
{
uint32_t i;
for (i = 0; i < app->n_links; i++) {
struct app_link_params *link = &app->link_params[i];
APP_CHECK((strlen(link->pci_bdf)),
"Parse error: %s pci_bdf is not configured "
"(port_mask is not provided)",
link->name);
link->pmd_id = i;
}
}
int
app_config_parse(struct app_params *app, const char *file_name)
{
struct rte_cfgfile *cfg;
char **section_names;
int i, j, sect_count;
/* Implicit mempools */
create_implicit_mempools(app);
/* Port mask */
if (app->port_mask)
create_implicit_links_from_port_mask(app, app->port_mask);
/* Load application configuration file */
cfg = rte_cfgfile_load(file_name, 0);
APP_CHECK((cfg != NULL), "Parse error: Unable to load config "
"file %s", file_name);
sect_count = rte_cfgfile_num_sections(cfg, NULL, 0);
APP_CHECK((sect_count > 0), "Parse error: number of sections "
"in file \"%s\" return %d", file_name,
sect_count);
section_names = malloc(sect_count * sizeof(char *));
PARSE_ERROR_MALLOC(section_names != NULL);
for (i = 0; i < sect_count; i++)
section_names[i] = malloc(CFG_NAME_LEN);
rte_cfgfile_sections(cfg, section_names, sect_count);
for (i = 0; i < sect_count; i++) {
const struct config_section *sch_s;
int len, cfg_name_len;
cfg_name_len = strlen(section_names[i]);
/* Find section type */
for (j = 0; j < (int)RTE_DIM(cfg_file_scheme); j++) {
sch_s = &cfg_file_scheme[j];
len = strlen(sch_s->prefix);
if (cfg_name_len < len)
continue;
/* After section name we expect only '\0' or digit or
* digit dot digit, so protect against false matching,
* for example: "ABC" should match section name
* "ABC0.0", but it should not match section_name
* "ABCDEF".
*/
if ((section_names[i][len] != '\0') &&
!isdigit(section_names[i][len]))
continue;
if (strncmp(sch_s->prefix, section_names[i], len) == 0)
break;
}
APP_CHECK(j < (int)RTE_DIM(cfg_file_scheme),
"Parse error: unknown section %s",
section_names[i]);
APP_CHECK(validate_name(section_names[i],
sch_s->prefix,
sch_s->numbers) == 0,
"Parse error: invalid section name \"%s\"",
section_names[i]);
sch_s->load(app, section_names[i], cfg);
}
for (i = 0; i < sect_count; i++)
free(section_names[i]);
free(section_names);
rte_cfgfile_close(cfg);
APP_PARAM_COUNT(app->mempool_params, app->n_mempools);
APP_PARAM_COUNT(app->link_params, app->n_links);
APP_PARAM_COUNT(app->hwq_in_params, app->n_pktq_hwq_in);
APP_PARAM_COUNT(app->hwq_out_params, app->n_pktq_hwq_out);
APP_PARAM_COUNT(app->swq_params, app->n_pktq_swq);
APP_PARAM_COUNT(app->tm_params, app->n_pktq_tm);
APP_PARAM_COUNT(app->tap_params, app->n_pktq_tap);
APP_PARAM_COUNT(app->kni_params, app->n_pktq_kni);
APP_PARAM_COUNT(app->source_params, app->n_pktq_source);
APP_PARAM_COUNT(app->sink_params, app->n_pktq_sink);
APP_PARAM_COUNT(app->msgq_params, app->n_msgq);
APP_PARAM_COUNT(app->pipeline_params, app->n_pipelines);
if (app->port_mask == 0)
assign_link_pmd_id_from_pci_bdf(app);
/* Save configuration to output file */
app_config_save(app, app->output_file);
/* Load TM configuration files */
app_config_parse_tm(app);
return 0;
}
static void
save_eal_params(struct app_params *app, FILE *f)
{
struct app_eal_params *p = &app->eal_params;
uint32_t i;
fprintf(f, "[EAL]\n");
if (p->coremap)
fprintf(f, "%s = %s\n", "lcores", p->coremap);
if (p->master_lcore_present)
fprintf(f, "%s = %" PRIu32 "\n",
"master_lcore", p->master_lcore);
fprintf(f, "%s = %" PRIu32 "\n", "n", p->channels);
if (p->memory_present)
fprintf(f, "%s = %" PRIu32 "\n", "m", p->memory);
if (p->ranks_present)
fprintf(f, "%s = %" PRIu32 "\n", "r", p->ranks);
for (i = 0; i < APP_MAX_LINKS; i++) {
if (p->pci_blacklist[i] == NULL)
break;
fprintf(f, "%s = %s\n", "pci_blacklist",
p->pci_blacklist[i]);
}
for (i = 0; i < APP_MAX_LINKS; i++) {
if (p->pci_whitelist[i] == NULL)
break;
fprintf(f, "%s = %s\n", "pci_whitelist",
p->pci_whitelist[i]);
}
for (i = 0; i < APP_MAX_LINKS; i++) {
if (p->vdev[i] == NULL)
break;
fprintf(f, "%s = %s\n", "vdev",
p->vdev[i]);
}
if (p->vmware_tsc_map_present)
fprintf(f, "%s = %s\n", "vmware_tsc_map",
(p->vmware_tsc_map) ? "yes" : "no");
if (p->proc_type)
fprintf(f, "%s = %s\n", "proc_type", p->proc_type);
if (p->syslog)
fprintf(f, "%s = %s\n", "syslog", p->syslog);
if (p->log_level_present)
fprintf(f, "%s = %" PRIu32 "\n", "log_level", p->log_level);
if (p->version_present)
fprintf(f, "%s = %s\n", "v", (p->version) ? "yes" : "no");
if (p->help_present)
fprintf(f, "%s = %s\n", "help", (p->help) ? "yes" : "no");
if (p->no_huge_present)
fprintf(f, "%s = %s\n", "no_huge", (p->no_huge) ? "yes" : "no");
if (p->no_pci_present)
fprintf(f, "%s = %s\n", "no_pci", (p->no_pci) ? "yes" : "no");
if (p->no_hpet_present)
fprintf(f, "%s = %s\n", "no_hpet", (p->no_hpet) ? "yes" : "no");
if (p->no_shconf_present)
fprintf(f, "%s = %s\n", "no_shconf",
(p->no_shconf) ? "yes" : "no");
if (p->add_driver)
fprintf(f, "%s = %s\n", "d", p->add_driver);
if (p->socket_mem)
fprintf(f, "%s = %s\n", "socket_mem", p->socket_mem);
if (p->huge_dir)
fprintf(f, "%s = %s\n", "huge_dir", p->huge_dir);
if (p->file_prefix)
fprintf(f, "%s = %s\n", "file_prefix", p->file_prefix);
if (p->base_virtaddr)
fprintf(f, "%s = %s\n", "base_virtaddr", p->base_virtaddr);
if (p->create_uio_dev_present)
fprintf(f, "%s = %s\n", "create_uio_dev",
(p->create_uio_dev) ? "yes" : "no");
if (p->vfio_intr)
fprintf(f, "%s = %s\n", "vfio_intr", p->vfio_intr);
fputc('\n', f);
}
static void
save_mempool_params(struct app_params *app, FILE *f)
{
struct app_mempool_params *p;
size_t i, count;
count = RTE_DIM(app->mempool_params);
for (i = 0; i < count; i++) {
p = &app->mempool_params[i];
if (!APP_PARAM_VALID(p))
continue;
fprintf(f, "[%s]\n", p->name);
fprintf(f, "%s = %" PRIu32 "\n", "buffer_size", p->buffer_size);
fprintf(f, "%s = %" PRIu32 "\n", "pool_size", p->pool_size);
fprintf(f, "%s = %" PRIu32 "\n", "cache_size", p->cache_size);
fprintf(f, "%s = %" PRIu32 "\n", "cpu", p->cpu_socket_id);
fputc('\n', f);
}
}
static void
save_links_params(struct app_params *app, FILE *f)
{
struct app_link_params *p;
size_t i, count;
count = RTE_DIM(app->link_params);
for (i = 0; i < count; i++) {
p = &app->link_params[i];
if (!APP_PARAM_VALID(p))
continue;
fprintf(f, "[%s]\n", p->name);
fprintf(f, "; %s = %" PRIu32 "\n", "pmd_id", p->pmd_id);
fprintf(f, "%s = %s\n", "promisc", p->promisc ? "yes" : "no");
fprintf(f, "%s = %" PRIu32 "\n", "arp_q", p->arp_q);
fprintf(f, "%s = %" PRIu32 "\n", "tcp_syn_q",
p->tcp_syn_q);
fprintf(f, "%s = %" PRIu32 "\n", "ip_local_q", p->ip_local_q);
fprintf(f, "%s = %" PRIu32 "\n", "tcp_local_q", p->tcp_local_q);
fprintf(f, "%s = %" PRIu32 "\n", "udp_local_q", p->udp_local_q);
fprintf(f, "%s = %" PRIu32 "\n", "sctp_local_q",
p->sctp_local_q);
if (p->n_rss_qs) {
uint32_t j;
/* rss_qs */
fprintf(f, "rss_qs = ");
for (j = 0; j < p->n_rss_qs; j++)
fprintf(f, "%" PRIu32 " ", p->rss_qs[j]);
fputc('\n', f);
/* rss_proto_ipv4 */
if (p->rss_proto_ipv4) {
fprintf(f, "rss_proto_ipv4 = ");
if (p->rss_proto_ipv4 & ETH_RSS_IPV4)
fprintf(f, "IP ");
if (p->rss_proto_ipv4 & ETH_RSS_FRAG_IPV4)
fprintf(f, "FRAG ");
if (p->rss_proto_ipv4 &
ETH_RSS_NONFRAG_IPV4_TCP)
fprintf(f, "TCP ");
if (p->rss_proto_ipv4 &
ETH_RSS_NONFRAG_IPV4_UDP)
fprintf(f, "UDP ");
if (p->rss_proto_ipv4 &
ETH_RSS_NONFRAG_IPV4_SCTP)
fprintf(f, "SCTP ");
if (p->rss_proto_ipv4 &
ETH_RSS_NONFRAG_IPV4_OTHER)
fprintf(f, "OTHER ");
fprintf(f, "\n");
} else
fprintf(f, "; rss_proto_ipv4 = <NONE>\n");
/* rss_proto_ipv6 */
if (p->rss_proto_ipv6) {
fprintf(f, "rss_proto_ipv6 = ");
if (p->rss_proto_ipv6 & ETH_RSS_IPV6)
fprintf(f, "IP ");
if (p->rss_proto_ipv6 & ETH_RSS_FRAG_IPV6)
fprintf(f, "FRAG ");
if (p->rss_proto_ipv6 &
ETH_RSS_NONFRAG_IPV6_TCP)
fprintf(f, "TCP ");
if (p->rss_proto_ipv6 &
ETH_RSS_NONFRAG_IPV6_UDP)
fprintf(f, "UDP ");
if (p->rss_proto_ipv6 &
ETH_RSS_NONFRAG_IPV6_SCTP)
fprintf(f, "SCTP ");
if (p->rss_proto_ipv6 &
ETH_RSS_NONFRAG_IPV6_OTHER)
fprintf(f, "OTHER ");
if (p->rss_proto_ipv6 & ETH_RSS_IPV6_EX)
fprintf(f, "IP_EX ");
if (p->rss_proto_ipv6 &
ETH_RSS_IPV6_TCP_EX)
fprintf(f, "TCP_EX ");
if (p->rss_proto_ipv6 &
ETH_RSS_IPV6_UDP_EX)
fprintf(f, "UDP_EX ");
fprintf(f, "\n");
} else
fprintf(f, "; rss_proto_ipv6 = <NONE>\n");
/* rss_proto_l2 */
if (p->rss_proto_l2) {
fprintf(f, "rss_proto_l2 = ");
if (p->rss_proto_l2 & ETH_RSS_L2_PAYLOAD)
fprintf(f, "L2 ");
fprintf(f, "\n");
} else
fprintf(f, "; rss_proto_l2 = <NONE>\n");
} else {
fprintf(f, "; rss_qs = <NONE>\n");
fprintf(f, "; rss_proto_ipv4 = <NONE>\n");
fprintf(f, "; rss_proto_ipv6 = <NONE>\n");
fprintf(f, "; rss_proto_l2 = <NONE>\n");
}
if (strlen(p->pci_bdf))
fprintf(f, "%s = %s\n", "pci_bdf", p->pci_bdf);
fputc('\n', f);
}
}
static void
save_rxq_params(struct app_params *app, FILE *f)
{
struct app_pktq_hwq_in_params *p;
size_t i, count;
count = RTE_DIM(app->hwq_in_params);
for (i = 0; i < count; i++) {
p = &app->hwq_in_params[i];
if (!APP_PARAM_VALID(p))
continue;
fprintf(f, "[%s]\n", p->name);
fprintf(f, "%s = %s\n",
"mempool",
app->mempool_params[p->mempool_id].name);
fprintf(f, "%s = %" PRIu32 "\n", "size", p->size);
fprintf(f, "%s = %" PRIu32 "\n", "burst", p->burst);
fputc('\n', f);
}
}
static void
save_txq_params(struct app_params *app, FILE *f)
{
struct app_pktq_hwq_out_params *p;
size_t i, count;
count = RTE_DIM(app->hwq_out_params);
for (i = 0; i < count; i++) {
p = &app->hwq_out_params[i];
if (!APP_PARAM_VALID(p))
continue;
fprintf(f, "[%s]\n", p->name);
fprintf(f, "%s = %" PRIu32 "\n", "size", p->size);
fprintf(f, "%s = %" PRIu32 "\n", "burst", p->burst);
fprintf(f, "%s = %s\n",
"dropless",
p->dropless ? "yes" : "no");
fprintf(f, "%s = %" PRIu64 "\n", "n_retries", p->n_retries);
fputc('\n', f);
}
}
static void
save_swq_params(struct app_params *app, FILE *f)
{
struct app_pktq_swq_params *p;
size_t i, count;
count = RTE_DIM(app->swq_params);
for (i = 0; i < count; i++) {
p = &app->swq_params[i];
if (!APP_PARAM_VALID(p))
continue;
fprintf(f, "[%s]\n", p->name);
fprintf(f, "%s = %" PRIu32 "\n", "size", p->size);
fprintf(f, "%s = %" PRIu32 "\n", "burst_read", p->burst_read);
fprintf(f, "%s = %" PRIu32 "\n", "burst_write", p->burst_write);
fprintf(f, "%s = %s\n", "dropless", p->dropless ? "yes" : "no");
fprintf(f, "%s = %" PRIu64 "\n", "n_retries", p->n_retries);
fprintf(f, "%s = %" PRIu32 "\n", "cpu", p->cpu_socket_id);
fprintf(f, "%s = %s\n", "ipv4_frag", p->ipv4_frag ? "yes" : "no");
fprintf(f, "%s = %s\n", "ipv6_frag", p->ipv6_frag ? "yes" : "no");
fprintf(f, "%s = %s\n", "ipv4_ras", p->ipv4_ras ? "yes" : "no");
fprintf(f, "%s = %s\n", "ipv6_ras", p->ipv6_ras ? "yes" : "no");
if ((p->ipv4_frag == 1) || (p->ipv6_frag == 1)) {
fprintf(f, "%s = %" PRIu32 "\n", "mtu", p->mtu);
fprintf(f, "%s = %" PRIu32 "\n", "metadata_size", p->metadata_size);
fprintf(f, "%s = %s\n",
"mempool_direct",
app->mempool_params[p->mempool_direct_id].name);
fprintf(f, "%s = %s\n",
"mempool_indirect",
app->mempool_params[p->mempool_indirect_id].name);
}
fputc('\n', f);
}
}
static void
save_tm_params(struct app_params *app, FILE *f)
{
struct app_pktq_tm_params *p;
size_t i, count;
count = RTE_DIM(app->tm_params);
for (i = 0; i < count; i++) {
p = &app->tm_params[i];
if (!APP_PARAM_VALID(p))
continue;
fprintf(f, "[%s]\n", p->name);
fprintf(f, "%s = %s\n", "cfg", p->file_name);
fprintf(f, "%s = %" PRIu32 "\n", "burst_read", p->burst_read);
fprintf(f, "%s = %" PRIu32 "\n", "burst_write", p->burst_write);
fputc('\n', f);
}
}
static void
save_tap_params(struct app_params *app, FILE *f)
{
struct app_pktq_tap_params *p;
size_t i, count;
count = RTE_DIM(app->tap_params);
for (i = 0; i < count; i++) {
p = &app->tap_params[i];
if (!APP_PARAM_VALID(p))
continue;
fprintf(f, "[%s]\n", p->name);
fprintf(f, "%s = %" PRIu32 "\n", "burst_read", p->burst_read);
fprintf(f, "%s = %" PRIu32 "\n", "burst_write", p->burst_write);
fprintf(f, "%s = %s\n", "dropless", p->dropless ? "yes" : "no");
fprintf(f, "%s = %" PRIu64 "\n", "n_retries", p->n_retries);
fprintf(f, "%s = %s\n", "mempool",
app->mempool_params[p->mempool_id].name);
fputc('\n', f);
}
}
static void
save_kni_params(struct app_params *app, FILE *f)
{
struct app_pktq_kni_params *p;
size_t i, count;
count = RTE_DIM(app->kni_params);
for (i = 0; i < count; i++) {
p = &app->kni_params[i];
if (!APP_PARAM_VALID(p))
continue;
/* section name */
fprintf(f, "[%s]\n", p->name);
/* core */
if (p->force_bind) {
fprintf(f, "; force_bind = 1\n");
fprintf(f, "core = s%" PRIu32 "c%" PRIu32 "%s\n",
p->socket_id,
p->core_id,
(p->hyper_th_id) ? "h" : "");
} else
fprintf(f, "; force_bind = 0\n");
/* mempool */
fprintf(f, "%s = %s\n", "mempool",
app->mempool_params[p->mempool_id].name);
/* burst_read */
fprintf(f, "%s = %" PRIu32 "\n", "burst_read", p->burst_read);
/* burst_write */
fprintf(f, "%s = %" PRIu32 "\n", "burst_write", p->burst_write);
/* dropless */
fprintf(f, "%s = %s\n",
"dropless",
p->dropless ? "yes" : "no");
/* n_retries */
fprintf(f, "%s = %" PRIu64 "\n", "n_retries", p->n_retries);
fputc('\n', f);
}
}
static void
save_source_params(struct app_params *app, FILE *f)
{
struct app_pktq_source_params *p;
size_t i, count;
count = RTE_DIM(app->source_params);
for (i = 0; i < count; i++) {
p = &app->source_params[i];
if (!APP_PARAM_VALID(p))
continue;
fprintf(f, "[%s]\n", p->name);
fprintf(f, "%s = %s\n",
"mempool",
app->mempool_params[p->mempool_id].name);
fprintf(f, "%s = %" PRIu32 "\n", "burst", p->burst);
fprintf(f, "%s = %s\n", "pcap_file_rd", p->file_name);
fprintf(f, "%s = %" PRIu32 "\n", "pcap_bytes_rd_per_pkt",
p->n_bytes_per_pkt);
fputc('\n', f);
}
}
static void
save_sink_params(struct app_params *app, FILE *f)
{
struct app_pktq_sink_params *p;
size_t i, count;
count = RTE_DIM(app->sink_params);
for (i = 0; i < count; i++) {
p = &app->sink_params[i];
if (!APP_PARAM_VALID(p))
continue;
fprintf(f, "[%s]\n", p->name);
fprintf(f, "%s = %s\n", "pcap_file_wr", p->file_name);
fprintf(f, "%s = %" PRIu32 "\n",
"pcap_n_pkt_wr", p->n_pkts_to_dump);
fputc('\n', f);
}
}
static void
save_msgq_params(struct app_params *app, FILE *f)
{
struct app_msgq_params *p;
size_t i, count;
count = RTE_DIM(app->msgq_params);
for (i = 0; i < count; i++) {
p = &app->msgq_params[i];
if (!APP_PARAM_VALID(p))
continue;
fprintf(f, "[%s]\n", p->name);
fprintf(f, "%s = %" PRIu32 "\n", "size", p->size);
fprintf(f, "%s = %" PRIu32 "\n", "cpu", p->cpu_socket_id);
fputc('\n', f);
}
}
static void
save_pipeline_params(struct app_params *app, FILE *f)
{
size_t i, count;
count = RTE_DIM(app->pipeline_params);
for (i = 0; i < count; i++) {
struct app_pipeline_params *p = &app->pipeline_params[i];
if (!APP_PARAM_VALID(p))
continue;
/* section name */
fprintf(f, "[%s]\n", p->name);
/* type */
fprintf(f, "type = %s\n", p->type);
/* core */
fprintf(f, "core = s%" PRIu32 "c%" PRIu32 "%s\n",
p->socket_id,
p->core_id,
(p->hyper_th_id) ? "h" : "");
/* pktq_in */
if (p->n_pktq_in) {
uint32_t j;
fprintf(f, "pktq_in =");
for (j = 0; j < p->n_pktq_in; j++) {
struct app_pktq_in_params *pp = &p->pktq_in[j];
char *name;
switch (pp->type) {
case APP_PKTQ_IN_HWQ:
name = app->hwq_in_params[pp->id].name;
break;
case APP_PKTQ_IN_SWQ:
name = app->swq_params[pp->id].name;
break;
case APP_PKTQ_IN_TM:
name = app->tm_params[pp->id].name;
break;
case APP_PKTQ_IN_TAP:
name = app->tap_params[pp->id].name;
break;
case APP_PKTQ_IN_KNI:
name = app->kni_params[pp->id].name;
break;
case APP_PKTQ_IN_SOURCE:
name = app->source_params[pp->id].name;
break;
default:
APP_CHECK(0, "System error "
"occurred while saving "
"parameter to file");
}
fprintf(f, " %s", name);
}
fprintf(f, "\n");
}
/* pktq_in */
if (p->n_pktq_out) {
uint32_t j;
fprintf(f, "pktq_out =");
for (j = 0; j < p->n_pktq_out; j++) {
struct app_pktq_out_params *pp =
&p->pktq_out[j];
char *name;
switch (pp->type) {
case APP_PKTQ_OUT_HWQ:
name = app->hwq_out_params[pp->id].name;
break;
case APP_PKTQ_OUT_SWQ:
name = app->swq_params[pp->id].name;
break;
case APP_PKTQ_OUT_TM:
name = app->tm_params[pp->id].name;
break;
case APP_PKTQ_OUT_TAP:
name = app->tap_params[pp->id].name;
break;
case APP_PKTQ_OUT_KNI:
name = app->kni_params[pp->id].name;
break;
case APP_PKTQ_OUT_SINK:
name = app->sink_params[pp->id].name;
break;
default:
APP_CHECK(0, "System error "
"occurred while saving "
"parameter to file");
}
fprintf(f, " %s", name);
}
fprintf(f, "\n");
}
/* msgq_in */
if (p->n_msgq_in) {
uint32_t j;
fprintf(f, "msgq_in =");
for (j = 0; j < p->n_msgq_in; j++) {
uint32_t id = p->msgq_in[j];
char *name = app->msgq_params[id].name;
fprintf(f, " %s", name);
}
fprintf(f, "\n");
}
/* msgq_out */
if (p->n_msgq_out) {
uint32_t j;
fprintf(f, "msgq_out =");
for (j = 0; j < p->n_msgq_out; j++) {
uint32_t id = p->msgq_out[j];
char *name = app->msgq_params[id].name;
fprintf(f, " %s", name);
}
fprintf(f, "\n");
}
/* timer_period */
fprintf(f, "timer_period = %" PRIu32 "\n", p->timer_period);
/* args */
if (p->n_args) {
uint32_t j;
for (j = 0; j < p->n_args; j++)
fprintf(f, "%s = %s\n", p->args_name[j],
p->args_value[j]);
}
fprintf(f, "\n");
}
}
void
app_config_save(struct app_params *app, const char *file_name)
{
FILE *file;
char *name, *dir_name;
int status;
name = strdup(file_name);
dir_name = dirname(name);
status = access(dir_name, W_OK);
APP_CHECK((status == 0),
"Error: need write access privilege to directory "
"\"%s\" to save configuration\n", dir_name);
file = fopen(file_name, "w");
APP_CHECK((file != NULL),
"Error: failed to save configuration to file \"%s\"",
file_name);
save_eal_params(app, file);
save_pipeline_params(app, file);
save_mempool_params(app, file);
save_links_params(app, file);
save_rxq_params(app, file);
save_txq_params(app, file);
save_swq_params(app, file);
save_tm_params(app, file);
save_tap_params(app, file);
save_kni_params(app, file);
save_source_params(app, file);
save_sink_params(app, file);
save_msgq_params(app, file);
fclose(file);
free(name);
}
int
app_config_init(struct app_params *app)
{
size_t i;
memcpy(app, &app_params_default, sizeof(struct app_params));
for (i = 0; i < RTE_DIM(app->mempool_params); i++)
memcpy(&app->mempool_params[i],
&mempool_params_default,
sizeof(struct app_mempool_params));
for (i = 0; i < RTE_DIM(app->link_params); i++)
memcpy(&app->link_params[i],
&link_params_default,
sizeof(struct app_link_params));
for (i = 0; i < RTE_DIM(app->hwq_in_params); i++)
memcpy(&app->hwq_in_params[i],
&default_hwq_in_params,
sizeof(default_hwq_in_params));
for (i = 0; i < RTE_DIM(app->hwq_out_params); i++)
memcpy(&app->hwq_out_params[i],
&default_hwq_out_params,
sizeof(default_hwq_out_params));
for (i = 0; i < RTE_DIM(app->swq_params); i++)
memcpy(&app->swq_params[i],
&default_swq_params,
sizeof(default_swq_params));
for (i = 0; i < RTE_DIM(app->tm_params); i++)
memcpy(&app->tm_params[i],
&default_tm_params,
sizeof(default_tm_params));
for (i = 0; i < RTE_DIM(app->tap_params); i++)
memcpy(&app->tap_params[i],
&default_tap_params,
sizeof(default_tap_params));
for (i = 0; i < RTE_DIM(app->kni_params); i++)
memcpy(&app->kni_params[i],
&default_kni_params,
sizeof(default_kni_params));
for (i = 0; i < RTE_DIM(app->source_params); i++)
memcpy(&app->source_params[i],
&default_source_params,
sizeof(default_source_params));
for (i = 0; i < RTE_DIM(app->sink_params); i++)
memcpy(&app->sink_params[i],
&default_sink_params,
sizeof(default_sink_params));
for (i = 0; i < RTE_DIM(app->msgq_params); i++)
memcpy(&app->msgq_params[i],
&default_msgq_params,
sizeof(default_msgq_params));
for (i = 0; i < RTE_DIM(app->pipeline_params); i++)
memcpy(&app->pipeline_params[i],
&default_pipeline_params,
sizeof(default_pipeline_params));
return 0;
}
static char *
filenamedup(const char *filename, const char *suffix)
{
char *s = malloc(strlen(filename) + strlen(suffix) + 1);
if (!s)
return NULL;
sprintf(s, "%s%s", filename, suffix);
return s;
}
int
app_config_args(struct app_params *app, int argc, char **argv)
{
const char *optname;
int opt, option_index;
int f_present, s_present, p_present, l_present;
int preproc_present, preproc_params_present;
int scaned = 0;
static struct option lgopts[] = {
{ "preproc", 1, 0, 0 },
{ "preproc-args", 1, 0, 0 },
{ NULL, 0, 0, 0 }
};
/* Copy application name */
strncpy(app->app_name, argv[0], APP_APPNAME_SIZE - 1);
f_present = 0;
s_present = 0;
p_present = 0;
l_present = 0;
preproc_present = 0;
preproc_params_present = 0;
while ((opt = getopt_long(argc, argv, "f:s:p:l:", lgopts,
&option_index)) != EOF)
switch (opt) {
case 'f':
if (f_present)
rte_panic("Error: Config file is provided "
"more than once\n");
f_present = 1;
if (!strlen(optarg))
rte_panic("Error: Config file name is null\n");
app->config_file = strdup(optarg);
if (app->config_file == NULL)
rte_panic("Error: Memory allocation failure\n");
break;
case 's':
if (s_present)
rte_panic("Error: Script file is provided "
"more than once\n");
s_present = 1;
if (!strlen(optarg))
rte_panic("Error: Script file name is null\n");
app->script_file = strdup(optarg);
if (app->script_file == NULL)
rte_panic("Error: Memory allocation failure\n");
break;
case 'p':
if (p_present)
rte_panic("Error: PORT_MASK is provided "
"more than once\n");
p_present = 1;
if ((sscanf(optarg, "%" SCNx64 "%n", &app->port_mask,
&scaned) != 1) ||
((size_t) scaned != strlen(optarg)))
rte_panic("Error: PORT_MASK is not "
"a hexadecimal integer\n");
if (app->port_mask == 0)
rte_panic("Error: PORT_MASK is null\n");
break;
case 'l':
if (l_present)
rte_panic("Error: LOG_LEVEL is provided "
"more than once\n");
l_present = 1;
if ((sscanf(optarg, "%" SCNu32 "%n", &app->log_level,
&scaned) != 1) ||
((size_t) scaned != strlen(optarg)) ||
(app->log_level >= APP_LOG_LEVELS))
rte_panic("Error: LOG_LEVEL invalid value\n");
break;
case 0:
optname = lgopts[option_index].name;
if (strcmp(optname, "preproc") == 0) {
if (preproc_present)
rte_panic("Error: Preprocessor argument "
"is provided more than once\n");
preproc_present = 1;
app->preproc = strdup(optarg);
break;
}
if (strcmp(optname, "preproc-args") == 0) {
if (preproc_params_present)
rte_panic("Error: Preprocessor args "
"are provided more than once\n");
preproc_params_present = 1;
app->preproc_args = strdup(optarg);
break;
}
app_print_usage(argv[0]);
break;
default:
app_print_usage(argv[0]);
}
optind = 1; /* reset getopt lib */
/* Check dependencies between args */
if (preproc_params_present && (preproc_present == 0))
rte_panic("Error: Preprocessor args specified while "
"preprocessor is not defined\n");
app->parser_file = preproc_present ?
filenamedup(app->config_file, ".preproc") :
strdup(app->config_file);
app->output_file = filenamedup(app->config_file, ".out");
return 0;
}
int
app_config_preproc(struct app_params *app)
{
char buffer[256];
int status;
if (app->preproc == NULL)
return 0;
status = access(app->config_file, F_OK | R_OK);
APP_CHECK((status == 0), "Error: Unable to open file %s",
app->config_file);
snprintf(buffer, sizeof(buffer), "%s %s %s > %s",
app->preproc,
app->preproc_args ? app->preproc_args : "",
app->config_file,
app->parser_file);
status = system(buffer);
APP_CHECK((WIFEXITED(status) && (WEXITSTATUS(status) == 0)),
"Error occurred while pre-processing file \"%s\"\n",
app->config_file);
return status;
}
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