DPDK  2.2.0
ip_pipeline/config_parse.c
/*-
* BSD LICENSE
*
* Copyright(c) 2010-2015 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"
static struct app_params app_params_default = {
.config_file = "./config/ip_pipeline.cfg",
.log_level = APP_LOG_LEVEL_HIGH,
.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_local_q = 0,
.ip_local_q = 0,
.tcp_local_q = 0,
.udp_local_q = 0,
.sctp_local_q = 0,
.state = 0,
.ip = 0,
.depth = 0,
.mac_addr = 0,
.conf = {
.link_speed = 0,
.link_duplex = 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 = 0, /* 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 */
},
.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 = 64,
.burst_write = 32,
};
struct app_pktq_source_params default_source_params = {
.parsed = 0,
.mempool_id = 0,
.burst = 32,
};
struct app_pktq_sink_params default_sink_params = {
.parsed = 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 hexadecimal format\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 skip_white_spaces(pos) \
({ \
__typeof__(pos) _p = (pos); \
for ( ; isspace(*_p); _p++); \
_p; \
})
#define PARSER_IMPLICIT_PARAM_ADD_CHECK(result, section_name) \
do { \
APP_CHECK((result != -EINVAL), \
"CFG: [%s] name too long", section_name); \
APP_CHECK(result != -ENOMEM, \
"CFG: [%s] too much sections", section_name); \
APP_CHECK(result >= 0, \
"CFG: [%s] Unknown error while adding '%s'", \
section_name, section_name); \
} while (0)
#define PARSER_PARAM_ADD_CHECK(result, params_array, section_name) \
do { \
APP_CHECK((result != -EINVAL), \
"CFG: [%s] name too long", section_name); \
APP_CHECK((result != -ENOMEM), \
"CFG: [%s] too much sections", section_name); \
APP_CHECK(((result >= 0) && (params_array)[result].parsed == 0),\
"CFG: [%s] duplicate section", section_name); \
APP_CHECK((result >= 0), \
"CFG: [%s] Unknown error while adding '%s'", \
section_name, section_name); \
} while (0)
static int
parser_read_arg_bool(const char *p)
{
p = skip_white_spaces(p);
int result = -EINVAL;
if (((p[0] == 'y') && (p[1] == 'e') && (p[2] == 's')) ||
((p[0] == 'Y') && (p[1] == 'E') && (p[2] == 'S'))) {
p += 3;
result = 1;
}
if (((p[0] == 'o') && (p[1] == 'n')) ||
((p[0] == 'O') && (p[1] == 'N'))) {
p += 2;
result = 1;
}
if (((p[0] == 'n') && (p[1] == 'o')) ||
((p[0] == 'N') && (p[1] == 'O'))) {
p += 2;
result = 0;
}
if (((p[0] == 'o') && (p[1] == 'f') && (p[2] == 'f')) ||
((p[0] == 'O') && (p[1] == 'F') && (p[2] == 'F'))) {
p += 3;
result = 0;
}
p = skip_white_spaces(p);
if (p[0] != '\0')
return -EINVAL;
return result;
}
#define PARSE_ERROR(exp, section, entry) \
APP_CHECK(exp, "Parse error in section \"%s\": entry \"%s\"\n", section, entry)
#define PARSE_ERROR_MALLOC(exp) \
APP_CHECK(exp, "Parse error: no free memory\n")
#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\n", section)
#define PARSE_WARNING_IGNORED(exp, section, entry) \
do \
if (!(exp)) \
fprintf(stderr, "Parse warning in section \"%s\": " \
"entry \"%s\" is ignored\n", section, entry); \
while (0)
#define PARSE_ERROR_INVALID(exp, section, entry) \
APP_CHECK(exp, "Parse error in section \"%s\": unrecognized entry \"%s\"\n",\
section, entry)
#define PARSE_ERROR_DUPLICATE(exp, section, entry) \
APP_CHECK(exp, "Parse error in section \"%s\": duplicate entry \"%s\"\n",\
section, entry)
static int
parser_read_uint64(uint64_t *value, const char *p)
{
char *next;
uint64_t val;
p = skip_white_spaces(p);
if (!isdigit(*p))
return -EINVAL;
val = strtoul(p, &next, 10);
if (p == next)
return -EINVAL;
p = next;
switch (*p) {
case 'T':
val *= 1024ULL;
/* fall trought */
case 'G':
val *= 1024ULL;
/* fall trought */
case 'M':
val *= 1024ULL;
/* fall trought */
case 'k':
case 'K':
val *= 1024ULL;
p++;
break;
}
p = skip_white_spaces(p);
if (*p != '\0')
return -EINVAL;
*value = val;
return 0;
}
static int
parser_read_uint32(uint32_t *value, const char *p)
{
uint64_t val = 0;
int ret = parser_read_uint64(&val, p);
if (ret < 0)
return ret;
else if (val > UINT32_MAX)
return -ERANGE;
*value = val;
return 0;
}
int
parse_pipeline_core(uint32_t *socket,
uint32_t *core,
uint32_t *ht,
const char *entry)
{
size_t num_len;
char num[8];
uint32_t s = 0, c = 0, h = 0, val;
uint8_t s_parsed = 0, c_parsed = 0, h_parsed = 0;
const char *next = skip_white_spaces(entry);
char type;
/* Expect <CORE> or [sX][cY][h]. At least one parameter is required. */
while (*next != '\0') {
/* If everything parsed nothing should left */
if (s_parsed && c_parsed && h_parsed)
return -EINVAL;
type = *next;
switch (type) {
case 's':
case 'S':
if (s_parsed || c_parsed || h_parsed)
return -EINVAL;
s_parsed = 1;
next++;
break;
case 'c':
case 'C':
if (c_parsed || h_parsed)
return -EINVAL;
c_parsed = 1;
next++;
break;
case 'h':
case 'H':
if (h_parsed)
return -EINVAL;
h_parsed = 1;
next++;
break;
default:
/* If it start from digit it must be only core id. */
if (!isdigit(*next) || s_parsed || c_parsed || h_parsed)
return -EINVAL;
type = 'C';
}
for (num_len = 0; *next != '\0'; next++, num_len++) {
if (num_len == RTE_DIM(num))
return -EINVAL;
if (!isdigit(*next))
break;
num[num_len] = *next;
}
if (num_len == 0 && type != 'h' && type != 'H')
return -EINVAL;
if (num_len != 0 && (type == 'h' || type == 'H'))
return -EINVAL;
num[num_len] = '\0';
val = strtol(num, NULL, 10);
h = 0;
switch (type) {
case 's':
case 'S':
s = val;
break;
case 'c':
case 'C':
c = val;
break;
case 'h':
case 'H':
h = 1;
break;
}
}
*socket = s;
*core = c;
*ht = h;
return 0;
}
static uint32_t
get_hex_val(char c)
{
switch (c) {
case '0': case '1': case '2': case '3': case '4': case '5':
case '6': case '7': case '8': case '9':
return c - '0';
case 'A': case 'B': case 'C': case 'D': case 'E': case 'F':
return c - 'A' + 10;
case 'a': case 'b': case 'c': case 'd': case 'e': case 'f':
return c - 'a' + 10;
default:
return 0;
}
}
int
parse_hex_string(char *src, uint8_t *dst, uint32_t *size)
{
char *c;
uint32_t len, i;
/* Check input parameters */
if ((src == NULL) ||
(dst == NULL) ||
(size == NULL) ||
(*size == 0))
return -1;
len = strlen(src);
if (((len & 3) != 0) ||
(len > (*size) * 2))
return -1;
*size = len / 2;
for (c = src; *c != 0; c++) {
if ((((*c) >= '0') && ((*c) <= '9')) ||
(((*c) >= 'A') && ((*c) <= 'F')) ||
(((*c) >= 'a') && ((*c) <= 'f')))
continue;
return -1;
}
/* Convert chars to bytes */
for (i = 0; i < *size; i++)
dst[i] = get_hex_val(src[2 * i]) * 16 +
get_hex_val(src[2 * i + 1]);
return 0;
}
static size_t
skip_digits(const char *src)
{
size_t i;
for (i = 0; isdigit(src[i]); i++);
return i;
}
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);
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)) {
PARSE_ERROR_DUPLICATE((p->pci_blacklist == NULL),
section_name,
entry->name);
p->pci_blacklist = strdup(entry->value);
continue;
}
/* pci_whitelist */
if ((strcmp(entry->name, "pci_whitelist") == 0) ||
(strcmp(entry->name, "w") == 0)) {
PARSE_ERROR_DUPLICATE((p->pci_whitelist == NULL),
section_name,
entry->name);
p->pci_whitelist = strdup(entry->value);
continue;
}
/* vdev */
if (strcmp(entry->name, "vdev") == 0) {
PARSE_ERROR_DUPLICATE((p->vdev == NULL),
section_name,
entry->name);
p->vdev = strdup(entry->value);
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;
}
/* xen_dom0 */
if (strcmp(entry->name, "xen_dom0") == 0) {
int val;
PARSE_ERROR_DUPLICATE((p->xen_dom0_present == 0),
section_name,
entry->name);
p->xen_dom0_present = 1;
val = parser_read_arg_bool(entry->value);
PARSE_ERROR((val >= 0), section_name, entry->name);
p->xen_dom0 = val;
continue;
}
/* unrecognized */
PARSE_ERROR_INVALID(0, section_name, entry->name);
}
free(entries);
}
static int
parse_pipeline_pktq_in(struct app_params *app,
struct app_pipeline_params *p,
const char *value)
{
const char *next = value;
char *end;
char name[APP_PARAM_NAME_SIZE];
size_t name_len;
while (*next != '\0') {
enum app_pktq_in_type type;
int id;
end = strchr(next, ' ');
if (!end)
name_len = strlen(next);
else
name_len = end - next;
if (name_len == 0 || name_len == sizeof(name))
return -EINVAL;
strncpy(name, next, name_len);
name[name_len] = '\0';
next += name_len;
if (*next != '\0')
next++;
if (validate_name(name, "RXQ", 2) == 0) {
type = APP_PKTQ_IN_HWQ;
id = APP_PARAM_ADD(app->hwq_in_params, 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);
} else if (validate_name(name, "SOURCE", 1) == 0) {
type = APP_PKTQ_IN_SOURCE;
id = APP_PARAM_ADD(app->source_params, name);
} else
return -EINVAL;
if (id < 0)
return id;
p->pktq_in[p->n_pktq_in].type = type;
p->pktq_in[p->n_pktq_in].id = (uint32_t) id;
p->n_pktq_in++;
}
return 0;
}
static int
parse_pipeline_pktq_out(struct app_params *app,
struct app_pipeline_params *p,
const char *value)
{
const char *next = value;
char *end;
char name[APP_PARAM_NAME_SIZE];
size_t name_len;
while (*next != '\0') {
enum app_pktq_out_type type;
int id;
end = strchr(next, ' ');
if (!end)
name_len = strlen(next);
else
name_len = end - next;
if (name_len == 0 || name_len == sizeof(name))
return -EINVAL;
strncpy(name, next, name_len);
name[name_len] = '\0';
next += name_len;
if (*next != '\0')
next++;
if (validate_name(name, "TXQ", 2) == 0) {
type = APP_PKTQ_OUT_HWQ;
id = APP_PARAM_ADD(app->hwq_out_params, 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);
} else if (validate_name(name, "SINK", 1) == 0) {
type = APP_PKTQ_OUT_SINK;
id = APP_PARAM_ADD(app->sink_params, name);
} else
return -EINVAL;
if (id < 0)
return id;
p->pktq_out[p->n_pktq_out].type = type;
p->pktq_out[p->n_pktq_out].id = id;
p->n_pktq_out++;
}
return 0;
}
static int
parse_pipeline_msgq_in(struct app_params *app,
struct app_pipeline_params *p,
const char *value)
{
const char *next = value;
char *end;
char name[APP_PARAM_NAME_SIZE];
size_t name_len;
ssize_t idx;
while (*next != '\0') {
end = strchr(next, ' ');
if (!end)
name_len = strlen(next);
else
name_len = end - next;
if (name_len == 0 || name_len == sizeof(name))
return -EINVAL;
strncpy(name, next, name_len);
name[name_len] = '\0';
next += name_len;
if (*next != '\0')
next++;
if (validate_name(name, "MSGQ", 1) != 0)
return -EINVAL;
idx = APP_PARAM_ADD(app->msgq_params, name);
if (idx < 0)
return idx;
p->msgq_in[p->n_msgq_in] = idx;
p->n_msgq_in++;
}
return 0;
}
static int
parse_pipeline_msgq_out(struct app_params *app,
struct app_pipeline_params *p,
const char *value)
{
const char *next = value;
char *end;
char name[APP_PARAM_NAME_SIZE];
size_t name_len;
ssize_t idx;
while (*next != '\0') {
end = strchr(next, ' ');
if (!end)
name_len = strlen(next);
else
name_len = end - next;
if (name_len == 0 || name_len == sizeof(name))
return -EINVAL;
strncpy(name, next, name_len);
name[name_len] = '\0';
next += name_len;
if (*next != '\0')
next++;
if (validate_name(name, "MSGQ", 1) != 0)
return -EINVAL;
idx = APP_PARAM_ADD(app->msgq_params, name);
if (idx < 0)
return idx;
p->msgq_out[p->n_msgq_out] = idx;
p->n_msgq_out++;
}
return 0;
}
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, ret, 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);
PARSER_PARAM_ADD_CHECK(param_idx, app->pipeline_params, section_name);
param = &app->pipeline_params[param_idx];
param->parsed = 1;
for (i = 0; i < n_entries; i++) {
struct rte_cfgfile_entry *ent = &entries[i];
if (strcmp(ent->name, "type") == 0) {
ret = snprintf(param->type,
RTE_DIM(param->type),
"%s",
ent->value);
if ((ret > 0) && (ret < (int)RTE_DIM(param->type)))
ret = 0;
else
ret = -EINVAL;
} else if (strcmp(ent->name, "core") == 0)
ret = parse_pipeline_core(&param->socket_id,
&param->core_id,
&param->hyper_th_id,
ent->value);
else if (strcmp(ent->name, "pktq_in") == 0)
ret = parse_pipeline_pktq_in(app, param, ent->value);
else if (strcmp(ent->name, "pktq_out") == 0)
ret = parse_pipeline_pktq_out(app, param, ent->value);
else if (strcmp(ent->name, "msgq_in") == 0)
ret = parse_pipeline_msgq_in(app, param, ent->value);
else if (strcmp(ent->name, "msgq_out") == 0)
ret = parse_pipeline_msgq_out(app, param, ent->value);
else if (strcmp(ent->name, "timer_period") == 0)
ret = parser_read_uint32(&param->timer_period,
ent->value);
else {
APP_CHECK((param->n_args < APP_MAX_PIPELINE_ARGS),
"CFG: [%s] out of memory",
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),
"CFG: [%s] out of memory",
section_name);
param->n_args++;
ret = 0;
}
APP_CHECK(ret == 0,
"CFG: [%s] entry '%s': Invalid value '%s'\n",
section_name,
ent->name,
ent->value);
}
snprintf(name, sizeof(name), "MSGQ-REQ-%s", section_name);
param_idx = APP_PARAM_ADD(app->msgq_params, name);
PARSER_IMPLICIT_PARAM_ADD_CHECK(param_idx, 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);
PARSER_IMPLICIT_PARAM_ADD_CHECK(param_idx, 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);
PARSER_IMPLICIT_PARAM_ADD_CHECK(param_idx, 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);
PARSER_IMPLICIT_PARAM_ADD_CHECK(param_idx, 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, ret, 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);
PARSER_PARAM_ADD_CHECK(param_idx, app->mempool_params, section_name);
param = &app->mempool_params[param_idx];
param->parsed = 1;
for (i = 0; i < n_entries; i++) {
struct rte_cfgfile_entry *ent = &entries[i];
ret = -ESRCH;
if (strcmp(ent->name, "buffer_size") == 0)
ret = parser_read_uint32(&param->buffer_size,
ent->value);
else if (strcmp(ent->name, "pool_size") == 0)
ret = parser_read_uint32(&param->pool_size,
ent->value);
else if (strcmp(ent->name, "cache_size") == 0)
ret = parser_read_uint32(&param->cache_size,
ent->value);
else if (strcmp(ent->name, "cpu") == 0)
ret = parser_read_uint32(&param->cpu_socket_id,
ent->value);
APP_CHECK(ret != -ESRCH,
"CFG: [%s] entry '%s': unknown entry\n",
section_name,
ent->name);
APP_CHECK(ret == 0,
"CFG: [%s] entry '%s': Invalid value '%s'\n",
section_name,
ent->name,
ent->value);
}
free(entries);
}
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, ret, 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->link_params, section_name);
PARSER_PARAM_ADD_CHECK(param_idx, app->link_params, section_name);
param = &app->link_params[param_idx];
param->parsed = 1;
for (i = 0; i < n_entries; i++) {
struct rte_cfgfile_entry *ent = &entries[i];
ret = -ESRCH;
if (strcmp(ent->name, "promisc") == 0) {
ret = parser_read_arg_bool(ent->value);
if (ret >= 0) {
param->promisc = ret;
ret = 0;
}
} else if (strcmp(ent->name, "arp_q") == 0)
ret = parser_read_uint32(&param->arp_q,
ent->value);
else if (strcmp(ent->name, "tcp_syn_q") == 0)
ret = parser_read_uint32(&param->tcp_syn_local_q,
ent->value);
else if (strcmp(ent->name, "ip_local_q") == 0)
ret = parser_read_uint32(&param->ip_local_q,
ent->value);
else if (strcmp(ent->name, "tcp_local_q") == 0)
ret = parser_read_uint32(&param->tcp_local_q,
ent->value);
else if (strcmp(ent->name, "udp_local_q") == 0)
ret = parser_read_uint32(&param->udp_local_q,
ent->value);
else if (strcmp(ent->name, "sctp_local_q") == 0)
ret = parser_read_uint32(&param->sctp_local_q,
ent->value);
APP_CHECK(ret != -ESRCH,
"CFG: [%s] entry '%s': unknown entry\n",
section_name,
ent->name);
APP_CHECK(ret == 0,
"CFG: [%s] entry '%s': Invalid value '%s'\n",
section_name,
ent->name,
ent->value);
}
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, ret, 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);
PARSER_PARAM_ADD_CHECK(param_idx, app->hwq_in_params, section_name);
param = &app->hwq_in_params[param_idx];
param->parsed = 1;
for (i = 0; i < n_entries; i++) {
struct rte_cfgfile_entry *ent = &entries[i];
ret = -ESRCH;
if (strcmp(ent->name, "mempool") == 0) {
int status = validate_name(ent->value, "MEMPOOL", 1);
ssize_t idx;
APP_CHECK((status == 0),
"CFG: [%s] entry '%s': invalid mempool\n",
section_name,
ent->name);
idx = APP_PARAM_ADD(app->mempool_params, ent->value);
PARSER_IMPLICIT_PARAM_ADD_CHECK(idx, section_name);
param->mempool_id = idx;
ret = 0;
} else if (strcmp(ent->name, "size") == 0)
ret = parser_read_uint32(&param->size,
ent->value);
else if (strcmp(ent->name, "burst") == 0)
ret = parser_read_uint32(&param->burst,
ent->value);
APP_CHECK(ret != -ESRCH,
"CFG: [%s] entry '%s': unknown entry\n",
section_name,
ent->name);
APP_CHECK(ret == 0,
"CFG: [%s] entry '%s': Invalid value '%s'\n",
section_name,
ent->name,
ent->value);
}
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, ret, 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);
PARSER_PARAM_ADD_CHECK(param_idx, app->hwq_out_params, section_name);
param = &app->hwq_out_params[param_idx];
param->parsed = 1;
for (i = 0; i < n_entries; i++) {
struct rte_cfgfile_entry *ent = &entries[i];
ret = -ESRCH;
if (strcmp(ent->name, "size") == 0)
ret = parser_read_uint32(&param->size, ent->value);
else if (strcmp(ent->name, "burst") == 0)
ret = parser_read_uint32(&param->burst, ent->value);
else if (strcmp(ent->name, "dropless") == 0) {
ret = parser_read_arg_bool(ent->value);
if (ret >= 0) {
param->dropless = ret;
ret = 0;
}
}
APP_CHECK(ret != -ESRCH,
"CFG: [%s] entry '%s': unknown entry\n",
section_name,
ent->name);
APP_CHECK(ret == 0,
"CFG: [%s] entry '%s': Invalid value '%s'\n",
section_name,
ent->name,
ent->value);
}
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, ret, i;
unsigned frag_entries = 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);
PARSER_PARAM_ADD_CHECK(param_idx, app->swq_params, section_name);
param = &app->swq_params[param_idx];
param->parsed = 1;
for (i = 0; i < n_entries; i++) {
struct rte_cfgfile_entry *ent = &entries[i];
ret = -ESRCH;
if (strcmp(ent->name, "size") == 0)
ret = parser_read_uint32(&param->size,
ent->value);
else if (strcmp(ent->name, "burst_read") == 0)
ret = parser_read_uint32(&param->burst_read,
ent->value);
else if (strcmp(ent->name, "burst_write") == 0)
ret = parser_read_uint32(&param->burst_write,
ent->value);
else if (strcmp(ent->name, "dropless") == 0) {
ret = parser_read_arg_bool(ent->value);
if (ret >= 0) {
param->dropless = ret;
ret = 0;
}
} else if (strcmp(ent->name, "n_retries") == 0)
ret = parser_read_uint64(&param->n_retries,
ent->value);
else if (strcmp(ent->name, "cpu") == 0)
ret = parser_read_uint32(&param->cpu_socket_id,
ent->value);
else if (strcmp(ent->name, "ipv4_frag") == 0) {
ret = parser_read_arg_bool(ent->value);
if (ret >= 0) {
param->ipv4_frag = ret;
if (param->mtu == 0)
param->mtu = 1500;
ret = 0;
}
} else if (strcmp(ent->name, "ipv6_frag") == 0) {
ret = parser_read_arg_bool(ent->value);
if (ret >= 0) {
param->ipv6_frag = ret;
if (param->mtu == 0)
param->mtu = 1320;
ret = 0;
}
} else if (strcmp(ent->name, "ipv4_ras") == 0) {
ret = parser_read_arg_bool(ent->value);
if (ret >= 0) {
param->ipv4_ras = ret;
ret = 0;
}
} else if (strcmp(ent->name, "ipv6_ras") == 0) {
ret = parser_read_arg_bool(ent->value);
if (ret >= 0) {
param->ipv6_ras = ret;
ret = 0;
}
} else if (strcmp(ent->name, "mtu") == 0) {
frag_entries = 1;
ret = parser_read_uint32(&param->mtu,
ent->value);
} else if (strcmp(ent->name, "metadata_size") == 0) {
frag_entries = 1;
ret = parser_read_uint32(&param->metadata_size,
ent->value);
} else if (strcmp(ent->name, "mempool_direct") == 0) {
int status = validate_name(ent->value, "MEMPOOL", 1);
ssize_t idx;
APP_CHECK((status == 0),
"CFG: [%s] entry '%s': invalid mempool\n",
section_name,
ent->name);
idx = APP_PARAM_ADD(app->mempool_params, ent->value);
PARSER_IMPLICIT_PARAM_ADD_CHECK(idx, section_name);
param->mempool_direct_id = idx;
frag_entries = 1;
ret = 0;
} else if (strcmp(ent->name, "mempool_indirect") == 0) {
int status = validate_name(ent->value, "MEMPOOL", 1);
ssize_t idx;
APP_CHECK((status == 0),
"CFG: [%s] entry '%s': invalid mempool\n",
section_name,
ent->name);
idx = APP_PARAM_ADD(app->mempool_params, ent->value);
PARSER_IMPLICIT_PARAM_ADD_CHECK(idx, section_name);
param->mempool_indirect_id = idx;
frag_entries = 1;
ret = 0;
}
APP_CHECK(ret != -ESRCH,
"CFG: [%s] entry '%s': unknown entry\n",
section_name,
ent->name);
APP_CHECK(ret == 0,
"CFG: [%s] entry '%s': Invalid value '%s'\n",
section_name,
ent->name,
ent->value);
}
if (frag_entries == 1) {
APP_CHECK(((param->ipv4_frag == 1) || (param->ipv6_frag == 1)),
"CFG: [%s] ipv4/ipv6 frag is off : unsupported entries on this"
" configuration\n",
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, ret, 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);
PARSER_PARAM_ADD_CHECK(param_idx, app->tm_params, section_name);
param = &app->tm_params[param_idx];
param->parsed = 1;
for (i = 0; i < n_entries; i++) {
struct rte_cfgfile_entry *ent = &entries[i];
ret = -ESRCH;
if (strcmp(ent->name, "cfg") == 0) {
param->file_name = strdup(ent->value);
if (param->file_name == NULL)
ret = -EINVAL;
else
ret = 0;
} else if (strcmp(ent->name, "burst_read") == 0)
ret = parser_read_uint32(&param->burst_read,
ent->value);
else if (strcmp(ent->name, "burst_write") == 0)
ret = parser_read_uint32(&param->burst_write,
ent->value);
APP_CHECK(ret != -ESRCH,
"CFG: [%s] entry '%s': unknown entry\n",
section_name,
ent->name);
APP_CHECK(ret != -EBADF,
"CFG: [%s] entry '%s': TM cfg parse error '%s'\n",
section_name,
ent->name,
ent->value);
APP_CHECK(ret == 0,
"CFG: [%s] entry '%s': Invalid value '%s'\n",
section_name,
ent->name,
ent->value);
}
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, ret, 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->source_params, section_name);
PARSER_PARAM_ADD_CHECK(param_idx, app->source_params, section_name);
param = &app->source_params[param_idx];
param->parsed = 1;
for (i = 0; i < n_entries; i++) {
struct rte_cfgfile_entry *ent = &entries[i];
ret = -ESRCH;
if (strcmp(ent->name, "mempool") == 0) {
int status = validate_name(ent->value, "MEMPOOL", 1);
ssize_t idx;
APP_CHECK((status == 0),
"CFG: [%s] entry '%s': invalid mempool\n",
section_name,
ent->name);
idx = APP_PARAM_ADD(app->mempool_params, ent->value);
PARSER_IMPLICIT_PARAM_ADD_CHECK(idx, section_name);
param->mempool_id = idx;
ret = 0;
} else if (strcmp(ent->name, "burst") == 0)
ret = parser_read_uint32(&param->burst, ent->value);
APP_CHECK(ret != -ESRCH,
"CFG: [%s] entry '%s': unknown entry\n",
section_name,
ent->name);
APP_CHECK(ret == 0,
"CFG: [%s] entry '%s': Invalid value '%s'\n",
section_name,
ent->name,
ent->value);
}
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, ret, 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);
PARSER_PARAM_ADD_CHECK(param_idx, app->msgq_params, section_name);
param = &app->msgq_params[param_idx];
param->parsed = 1;
for (i = 0; i < n_entries; i++) {
struct rte_cfgfile_entry *ent = &entries[i];
ret = -ESRCH;
if (strcmp(ent->name, "size") == 0)
ret = parser_read_uint32(&param->size, ent->value);
APP_CHECK(ret != -ESRCH,
"CFG: [%s] entry '%s': unknown entry\n",
section_name,
ent->name);
APP_CHECK(ret == 0,
"CFG: [%s] entry '%s': Invalid value '%s'\n",
section_name,
ent->name,
ent->value);
}
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, ret, 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);
PARSER_PARAM_ADD_CHECK(param_idx, app->msgq_params, section_name);
param = &app->msgq_params[param_idx];
param->parsed = 1;
for (i = 0; i < n_entries; i++) {
struct rte_cfgfile_entry *ent = &entries[i];
ret = -ESRCH;
if (strcmp(ent->name, "size") == 0)
ret = parser_read_uint32(&param->size, ent->value);
APP_CHECK(ret != -ESRCH,
"CFG: [%s] entry '%s': unknown entry\n",
section_name,
ent->name);
APP_CHECK(ret == 0,
"CFG: [%s] entry '%s': Invalid value '%s'\n",
section_name,
ent->name,
ent->value);
}
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, ret, 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);
PARSER_PARAM_ADD_CHECK(param_idx, app->msgq_params, section_name);
param = &app->msgq_params[param_idx];
param->parsed = 1;
for (i = 0; i < n_entries; i++) {
struct rte_cfgfile_entry *ent = &entries[i];
ret = -ESRCH;
if (strcmp(ent->name, "size") == 0)
ret = parser_read_uint32(&param->size,
ent->value);
else if (strcmp(ent->name, "cpu") == 0)
ret = parser_read_uint32(&param->cpu_socket_id,
ent->value);
APP_CHECK(ret != -ESRCH,
"CFG: [%s] entry '%s': unknown entry\n",
section_name,
ent->name);
APP_CHECK(ret == 0,
"CFG: [%s] entry '%s': Invalid value '%s'\n",
section_name,
ent->name,
ent->value);
}
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},
{"SOURCE", 1, parse_source},
{"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)
{
ssize_t idx;
idx = APP_PARAM_ADD(app->mempool_params, "MEMPOOL0");
PARSER_IMPLICIT_PARAM_ADD_CHECK(idx, "start-up");
}
static void
parse_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);
PARSER_IMPLICIT_PARAM_ADD_CHECK(idx, name);
app->link_params[idx].pmd_id = pmd_id;
link_id++;
}
}
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 */
parse_port_mask(app, app->port_mask);
/* Load application configuration file */
cfg = rte_cfgfile_load(file_name, 0);
APP_CHECK(cfg != NULL, "Unable to load config file %s", file_name);
sect_count = rte_cfgfile_num_sections(cfg, NULL, 0);
APP_CHECK(sect_count > 0, "Number of sections return %d", sect_count);
section_names = malloc(sect_count * sizeof(char *));
APP_CHECK(section_names != NULL, "Failed to allocate memory");
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),
"Unknown section %s",
section_names[i]);
APP_CHECK(validate_name(section_names[i],
sch_s->prefix,
sch_s->numbers) == 0,
"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->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);
/* 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;
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);
if (p->pci_blacklist)
fprintf(f, "%s = %s\n", "pci_blacklist", p->pci_blacklist);
if (p->pci_whitelist)
fprintf(f, "%s = %s\n", "pci_whitelist", p->pci_whitelist);
if (p->vdev)
fprintf(f, "%s = %s\n", "vdev", p->vdev);
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);
if (p->xen_dom0_present)
fprintf(f, "%s = %s\n", "xen_dom0",
(p->xen_dom0) ? "yes" : "no");
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_local_q",
p->tcp_syn_local_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);
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");
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_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);
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_SOURCE:
name = app->source_params[pp->id].name;
break;
default:
APP_CHECK(0, "Error\n");
}
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_SINK:
name = app->sink_params[pp->id].name;
break;
default:
APP_CHECK(0, "Error\n");
}
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),
"Need write access to directory \"%s\" to save configuration\n",
dir_name);
file = fopen(file_name, "w");
APP_CHECK((file != NULL),
"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_source_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->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 = 0; /* reset getopt lib */
/* Check that mandatory args have been provided */
if (!p_present)
rte_panic("Error: PORT_MASK is not provided\n");
/* 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), "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 while preprocessing file \"%s\"\n", app->config_file);
return status;
}
Generated by   doxygen 1.8.1.2