added function rte_eal_configure which configure
Environment Abstraction Layer (EAL) using
configuration structure.
Signed-off-by: Kuba Kozak <kubax.ko...@intel.com>
Suggested-by: Bruce Richardson <bruce.richard...@intel.com>
---
lib/Makefile | 3 +
lib/librte_eal/bsdapp/eal/Makefile | 4 +
lib/librte_eal/bsdapp/eal/eal.c | 165 +++++++++++----
lib/librte_eal/bsdapp/eal/rte_eal_version.map | 1 +
lib/librte_eal/common/eal_common_lcore.c | 7 +
lib/librte_eal/common/eal_common_options.c | 106 ++++++++++
lib/librte_eal/common/eal_options.h | 3 +
lib/librte_eal/common/include/rte_eal.h | 20 ++
lib/librte_eal/linuxapp/eal/Makefile | 3 +
lib/librte_eal/linuxapp/eal/eal.c | 265 ++++++++++++++++--------
lib/librte_eal/linuxapp/eal/rte_eal_version.map | 1 +
mk/rte.app.mk | 2 +-
12 files changed, 452 insertions(+), 128 deletions(-)
diff --git a/lib/Makefile b/lib/Makefile
index 1080a95..2c6c380 100644
--- a/lib/Makefile
+++ b/lib/Makefile
@@ -34,6 +34,9 @@ include $(RTE_SDK)/mk/rte.vars.mk
DIRS-y += librte_compat
DIRS-$(CONFIG_RTE_LIBRTE_CFGFILE) += librte_cfgfile
DIRS-$(CONFIG_RTE_LIBRTE_EAL) += librte_eal
+ifeq ($(CONFIG_RTE_LIBRTE_CFGFILE),y)
+DEPDIRS-librte_eal := librte_cfgfile
+endif
DIRS-$(CONFIG_RTE_LIBRTE_RING) += librte_ring
DEPDIRS-librte_ring := librte_eal
DIRS-$(CONFIG_RTE_LIBRTE_MEMPOOL) += librte_mempool
diff --git a/lib/librte_eal/bsdapp/eal/Makefile
b/lib/librte_eal/bsdapp/eal/Makefile
index a0f9950..d70eefb 100644
--- a/lib/librte_eal/bsdapp/eal/Makefile
+++ b/lib/librte_eal/bsdapp/eal/Makefile
@@ -50,6 +50,10 @@ EXPORT_MAP := rte_eal_version.map
LIBABIVER := 4
+ifeq ($(CONFIG_RTE_LIBRTE_CFGFILE),y)
+LDLIBS += -lrte_cfgfile
+endif
+
# specific to bsdapp exec-env
SRCS-$(CONFIG_RTE_EXEC_ENV_BSDAPP) := eal.c
SRCS-$(CONFIG_RTE_EXEC_ENV_BSDAPP) += eal_memory.c
diff --git a/lib/librte_eal/bsdapp/eal/eal.c b/lib/librte_eal/bsdapp/eal/eal.c
index 05f0c1f..4a0c221 100644
--- a/lib/librte_eal/bsdapp/eal/eal.c
+++ b/lib/librte_eal/bsdapp/eal/eal.c
@@ -73,6 +73,7 @@
#include <rte_version.h>
#include <rte_atomic.h>
#include <malloc_heap.h>
+#include <rte_cfgfile.h>
#include "eal_private.h"
#include "eal_thread.h"
@@ -99,6 +100,8 @@ static struct flock wr_lock = {
.l_len = sizeof(early_mem_config.memseg),
};
+static int run_once_reset_internal_config;
+
/* Address of global and public configuration */
static struct rte_config rte_config = {
.mem_config = &early_mem_config,
@@ -347,6 +350,58 @@ eal_log_level_parse(int argc, char **argv)
optarg = old_optarg;
}
+/* Parse single argument */
+static int
+eal_parse_option(int opt, char *optarg, int option_index, char *prgname)
+{
+ int ret;
+
+ /* getopt is not happy, stop right now */
+ if (opt == '?') {
+ eal_usage(prgname);
+ ret = -1;
+ goto out;
+ }
+
+ ret = eal_parse_common_option(opt, optarg, &internal_config);
+ /* common parser is not happy */
+ if (ret < 0) {
+ eal_usage(prgname);
+ ret = -1;
+ goto out;
+ }
+ /* common parser handled this option */
+ if (ret == 0)
+ return 0;
+
+ switch (opt) {
+ case 'h':
+ eal_usage(prgname);
+ exit(EXIT_SUCCESS);
+ break;
+
+ default:
+ if (opt < OPT_LONG_MIN_NUM && isprint(opt)) {
+ RTE_LOG(ERR, EAL, "Option %c is not supported "
+ "on FreeBSD\n", opt);
+ } else if (opt >= OPT_LONG_MIN_NUM &&
+ opt < OPT_LONG_MAX_NUM) {
+ RTE_LOG(ERR, EAL, "Option %s is not supported "
+ "on FreeBSD\n",
+ eal_long_options[option_index].name);
+ } else {
+ RTE_LOG(ERR, EAL, "Option %d is not supported "
+ "on FreeBSD\n", opt);
+ }
+ eal_usage(prgname);
+ ret = -1;
+ goto out;
+ }
+ return 0;
+out:
+ return ret;
+}
+
/* Parse the argument given in the command line of the application */
static int
eal_parse_args(int argc, char **argv)
@@ -367,45 +422,9 @@ eal_parse_args(int argc, char **argv)
while ((opt = getopt_long(argc, argvopt, eal_short_options,
eal_long_options, &option_index)) != EOF) {
- /* getopt is not happy, stop right now */
- if (opt == '?') {
- eal_usage(prgname);
- ret = -1;
- goto out;
- }
-
- ret = eal_parse_common_option(opt, optarg, &internal_config);
- /* common parser is not happy */
- if (ret < 0) {
- eal_usage(prgname);
- ret = -1;
- goto out;
- }
- /* common parser handled this option */
- if (ret == 0)
- continue;
-
- switch (opt) {
- case 'h':
- eal_usage(prgname);
- exit(EXIT_SUCCESS);
- default:
- if (opt < OPT_LONG_MIN_NUM && isprint(opt)) {
- RTE_LOG(ERR, EAL, "Option %c is not supported "
- "on FreeBSD\n", opt);
- } else if (opt >= OPT_LONG_MIN_NUM &&
- opt < OPT_LONG_MAX_NUM) {
- RTE_LOG(ERR, EAL, "Option %s is not supported "
- "on FreeBSD\n",
- eal_long_options[option_index].name);
- } else {
- RTE_LOG(ERR, EAL, "Option %d is not supported "
- "on FreeBSD\n", opt);
- }
- eal_usage(prgname);
- ret = -1;
+ ret = eal_parse_option(opt, optarg, option_index, prgname);
+ if (ret < 0)
goto out;
- }
}
if (eal_adjust_config(&internal_config) != 0) {
@@ -517,7 +536,10 @@ rte_eal_init(int argc, char **argv)
thread_id = pthread_self();
- eal_reset_internal_config(&internal_config);
+ if (!run_once_reset_internal_config) {
+ eal_reset_internal_config(&internal_config);
+ run_once_reset_internal_config = 1;
+ }
/* set log level as early as possible */
eal_log_level_parse(argc, argv);
@@ -677,3 +699,68 @@ rte_eal_process_type(void)
{
return rte_config.process_type;
}
+
+#ifdef RTE_LIBRTE_CFGFILE
+int
+rte_eal_configure(struct rte_cfgfile *cfg, char *prgname)
+{
+ int n_entries;
+ int i;
+ int opt;
+ int option_index;
+
+ if (cfg == NULL) {
+ rte_errno = -EINVAL;
+ return -1;
+ }
+
+ n_entries = rte_cfgfile_section_num_entries(cfg, "DPDK");
+
+ if (n_entries < 1) {
+ printf("No DPDK section entries in cfgfile object\n");
+ return 0;
+ }
+
+ struct rte_cfgfile_entry entries[n_entries];
+
+ if (n_entries !=
+ rte_cfgfile_section_entries(cfg, "DPDK", entries,
+ n_entries)) {
+ rte_eal_init_alert("Unexpected fault.");
+ rte_errno = EFAULT;
+ return -1;
+ }
+
+ if (!run_once_reset_internal_config) {
+ eal_reset_internal_config(&internal_config);
+ run_once_reset_internal_config = 1;
+ }
+
+ /* set log level as early as possible */
+ eal_log_level_cfg(cfg);
+
+ if (rte_eal_cpu_init() < 0) {
+ rte_eal_init_alert("Cannot detect lcores.");
+ rte_errno = ENOTSUP;
+ return -1;
+ }
+
+ for (i = 0; i < n_entries; i++) {
+ eal_getopt(entries[i].name, &opt, &option_index);
+
+ if (eal_parse_option(opt, entries[i].value,
+ option_index, prgname) != 0) {
+ rte_eal_init_alert("Invalid config file arguments.");
+ rte_errno = EINVAL;
+ return -1;
+ }
+ }
+
+ if (parse_vdev_devices(cfg) < 0) {
+ rte_eal_init_alert("Couldn't parse vdevs");
+ rte_errno = ENOMEM;
+ return -1;
+ }
+ return 0;
+}
+#endif
diff --git a/lib/librte_eal/bsdapp/eal/rte_eal_version.map
b/lib/librte_eal/bsdapp/eal/rte_eal_version.map
index 381f895..932f990 100644
--- a/lib/librte_eal/bsdapp/eal/rte_eal_version.map
+++ b/lib/librte_eal/bsdapp/eal/rte_eal_version.map
@@ -200,6 +200,7 @@ DPDK_17.08 {
rte_bus_find;
rte_bus_find_by_device;
rte_bus_find_by_name;
+ rte_eal_configure;
} DPDK_17.05;
diff --git a/lib/librte_eal/common/eal_common_lcore.c
b/lib/librte_eal/common/eal_common_lcore.c
index 84fa0cb..d0f4c6f 100644
--- a/lib/librte_eal/common/eal_common_lcore.c
+++ b/lib/librte_eal/common/eal_common_lcore.c
@@ -53,11 +53,18 @@
int
rte_eal_cpu_init(void)
{
+ static int run_once;
+ static int ret;
/* pointer to global configuration */
struct rte_config *config = rte_eal_get_configuration();
unsigned lcore_id;
unsigned count = 0;
+ /* No need to calculate this function again if we know the result */
+ if (run_once)
+ return ret;
+ run_once = 1;
+
/*
* Parse the maximum set of logical cores, detect the subset of running
* ones and enable them by default.
diff --git a/lib/librte_eal/common/eal_common_options.c
b/lib/librte_eal/common/eal_common_options.c
index 075b0ea..aaf0f2c 100644
--- a/lib/librte_eal/common/eal_common_options.c
+++ b/lib/librte_eal/common/eal_common_options.c
@@ -50,6 +50,10 @@
#include <rte_version.h>
#include <rte_devargs.h>
#include <rte_memcpy.h>
+#ifdef RTE_LIBRTE_CFGFILE
+#include <rte_cfgfile.h>
+#include <rte_errno.h>
+#endif
#include "eal_internal_cfg.h"
#include "eal_options.h"
@@ -1078,3 +1082,105 @@ eal_common_usage(void)
" --"OPT_NO_SHCONF" No shared config (mmap'd files)\n"
"\n", RTE_MAX_LCORE);
}
+
+#ifdef RTE_LIBRTE_CFGFILE
+/* Parse the arguments for --log-level only */
+void
+eal_log_level_cfg(struct rte_cfgfile *cfg)
+{
+ const char *entry;
+
+ entry = rte_cfgfile_get_entry(cfg, "DPDK", OPT_LOG_LEVEL);
+ if (entry)
+ eal_parse_common_option(OPT_LOG_LEVEL_NUM, entry,
+ &internal_config);
+}
+#endif
+
+#ifdef RTE_LIBRTE_CFGFILE
+static void rte_eal_init_alert(const char *msg)
+{
+ fprintf(stderr, "EAL: FATAL: %s\n", msg);
+ RTE_LOG(ERR, EAL, "%s\n", msg);
+}
+
+#define vdev_buff_size 200
+#define sectionname_size 20
+int
+parse_vdev_devices(struct rte_cfgfile *cfg)
+{
+ char sectionname[sectionname_size] = "DPDK.vdev0";
+ char buffer[vdev_buff_size];
+ int vdev_nb = 0;
+ int n_entries;
+ int buf_len;
+ char *buf_ptr;
+ int i;
+ int ret;
+
+ /* ----------- parsing VDEVS */
+ for (vdev_nb = 1; rte_cfgfile_has_section(cfg, sectionname);
+ vdev_nb++) {
+ n_entries = rte_cfgfile_section_num_entries(cfg, sectionname);
+
+ struct rte_cfgfile_entry entries[n_entries];
+
+ if (n_entries != rte_cfgfile_section_entries(cfg, sectionname,
+ entries, n_entries)) {
+ rte_eal_init_alert("Unexpected fault.");
+ rte_errno = EFAULT;
+ return -1;
+ }
+
+ buffer[0] = '\0';
+ buf_ptr = buffer;
+ buf_len = vdev_buff_size;
+ for (i = 0; i < n_entries; i++) {
+ ret = snprintf(buf_ptr, buf_len, "%s%s%s%s",
+ entries[i].name,
+ (entries[i].value[0] != '\0') ?
+ "=" : "",
+ entries[i].value,
+ (i < (n_entries - 1)) ? "," : "");
+ if (ret >= buf_len) {
+ printf("parse_vdev_devices(): buffer[] size is "
+ "to small\n");
+ return -1;
+ }
+ buf_len -= ret;
+ buf_ptr += ret;
+ }
+
+ /* parsing vdev */
+ if (rte_eal_devargs_add(RTE_DEVTYPE_UNDEFINED,
+ buffer) < 0) {
+ return -1;
+ }
+ snprintf(sectionname, sectionname_size, "DPDK.vdev%d", vdev_nb);
+ }
+ /* ----------- parsing VDEVS */
+ return 0;
+}
+
+void
+eal_getopt(const char *str, int *opt, int *option_index)
+{
+ int i;
+
+ *opt = '?';
+ *option_index = 0;
+
+ if (strlen(str) == 1) {
+ *opt = *str;
+ return;
+ }
+
+ for (i = 0; eal_long_options[i].name != NULL; i++) {
+ if (strcmp(str, eal_long_options[i].name) == 0) {
+ *opt = eal_long_options[i].val;
+ *option_index = i;
+ break;
+ }
+ }
+}
+#endif
diff --git a/lib/librte_eal/common/eal_options.h
b/lib/librte_eal/common/eal_options.h
index a881c62..0fce11c 100644
--- a/lib/librte_eal/common/eal_options.h
+++ b/lib/librte_eal/common/eal_options.h
@@ -96,5 +96,8 @@ int eal_check_common_options(struct internal_config
*internal_cfg);
void eal_common_usage(void);
enum rte_proc_type_t eal_proc_type_detect(void);
int eal_plugins_init(void);
+void eal_log_level_cfg(struct rte_cfgfile *cfg);
+int parse_vdev_devices(struct rte_cfgfile *cfg);
+void eal_getopt(const char *str, int *opt, int *option_index);
#endif /* EAL_OPTIONS_H */
diff --git a/lib/librte_eal/common/include/rte_eal.h
b/lib/librte_eal/common/include/rte_eal.h
index 6b7c5ca..a1c78c0 100644
--- a/lib/librte_eal/common/include/rte_eal.h
+++ b/lib/librte_eal/common/include/rte_eal.h
@@ -46,6 +46,8 @@
#include <rte_per_lcore.h>
#include <rte_config.h>
+struct rte_cfgfile; /* forward declaration of struct */
+
#ifdef __cplusplus
extern "C" {
#endif
@@ -188,6 +190,24 @@ int rte_eal_iopl_init(void);
*/
int rte_eal_init(int argc, char **argv);
+#ifdef RTE_LIBRTE_CFGFILE
+/**
+ * Initialize the Environment Abstraction Layer (EAL) using
+ * configuration structure
+ *
+ * @param cfg
+ * pointer to config file structure.
+ * @param prgname
+ * pointer to string with execution path
+ *
+ * @return
+ * - On success, return 0
+ * - On failure, returns -1.
+ */
+int
+rte_eal_configure(struct rte_cfgfile *cfg, char *prgname);
+#endif
+
/**
* Check if a primary process is currently alive
*
diff --git a/lib/librte_eal/linuxapp/eal/Makefile
b/lib/librte_eal/linuxapp/eal/Makefile
index 8651e27..7c1c559 100644
--- a/lib/librte_eal/linuxapp/eal/Makefile
+++ b/lib/librte_eal/linuxapp/eal/Makefile
@@ -53,6 +53,9 @@ LDLIBS += -lrt
ifeq ($(CONFIG_RTE_EAL_NUMA_AWARE_HUGEPAGES),y)
LDLIBS += -lnuma
endif
+ifeq ($(CONFIG_RTE_LIBRTE_CFGFILE),y)
+LDLIBS += -lrte_cfgfile
+endif
# specific to linuxapp exec-env
SRCS-$(CONFIG_RTE_EXEC_ENV_LINUXAPP) := eal.c
diff --git a/lib/librte_eal/linuxapp/eal/eal.c
b/lib/librte_eal/linuxapp/eal/eal.c
index 7c78f2d..f09aeff 100644
--- a/lib/librte_eal/linuxapp/eal/eal.c
+++ b/lib/librte_eal/linuxapp/eal/eal.c
@@ -78,6 +78,9 @@
#include <rte_version.h>
#include <rte_atomic.h>
#include <malloc_heap.h>
+#ifdef RTE_LIBRTE_CFGFILE
+#include <rte_cfgfile.h>
+#endif
#include "eal_private.h"
#include "eal_thread.h"
@@ -101,6 +104,8 @@ static struct rte_mem_config early_mem_config;
* duration of the program, as we hold a write lock on it in the primary proc
*/
static int mem_cfg_fd = -1;
+static int run_once_reset_internal_config;
+
static struct flock wr_lock = {
.l_type = F_WRLCK,
.l_whence = SEEK_SET,
@@ -515,119 +520,135 @@ eal_log_level_parse(int argc, char **argv)
optarg = old_optarg;
}
-/* Parse the argument given in the command line of the application */
+/* Parse single argument */
static int
-eal_parse_args(int argc, char **argv)
+eal_parse_option(int opt, char *optarg, int option_index, char *prgname)
{
- int opt, ret;
- char **argvopt;
- int option_index;
- char *prgname = argv[0];
- const int old_optind = optind;
- const int old_optopt = optopt;
- char * const old_optarg = optarg;
+ int ret;
- argvopt = argv;
- optind = 1;
+ /* getopt is not happy, stop right now */
+ if (opt == '?') {
+ eal_usage(prgname);
+ ret = -1;
+ goto out;
+ }
- while ((opt = getopt_long(argc, argvopt, eal_short_options,
- eal_long_options, &option_index)) != EOF) {
+ ret = eal_parse_common_option(opt, optarg, &internal_config);
+ /* common parser is not happy */
+ if (ret < 0) {
+ eal_usage(prgname);
+ ret = -1;
+ goto out;
+ }
+ /* common parser handled this option */
+ if (ret == 0)
+ return 0;
- /* getopt is not happy, stop right now */
- if (opt == '?') {
+ switch (opt) {
+ case 'h':
+ eal_usage(prgname);
+ exit(EXIT_SUCCESS);
+ break;
+
+ /* long options */
+ case OPT_XEN_DOM0_NUM:
+#ifdef RTE_LIBRTE_XEN_DOM0
+ internal_config.xen_dom0_support = 1;
+ break;
+#else
+ RTE_LOG(ERR, EAL, "Can't support DPDK app "
+ "running on Dom0, please configure"
+ " RTE_LIBRTE_XEN_DOM0=y\n");
+ ret = -1;
+ goto out;
+#endif
+
+ case OPT_HUGE_DIR_NUM:
+ internal_config.hugepage_dir = optarg;
+ break;
+
+ case OPT_FILE_PREFIX_NUM:
+ internal_config.hugefile_prefix = optarg;
+ break;
+
+ case OPT_SOCKET_MEM_NUM:
+ if (eal_parse_socket_mem(optarg) < 0) {
+ RTE_LOG(ERR, EAL, "invalid parameters for --"
+ OPT_SOCKET_MEM "\n");
eal_usage(prgname);
ret = -1;
goto out;
}
+ break;
- ret = eal_parse_common_option(opt, optarg, &internal_config);
- /* common parser is not happy */
- if (ret < 0) {
+ case OPT_BASE_VIRTADDR_NUM:
+ if (eal_parse_base_virtaddr(optarg) < 0) {
+ RTE_LOG(ERR, EAL, "invalid parameter for --"
+ OPT_BASE_VIRTADDR "\n");
eal_usage(prgname);
ret = -1;
goto out;
}
- /* common parser handled this option */
- if (ret == 0)
- continue;
+ break;
- switch (opt) {
- case 'h':
+ case OPT_VFIO_INTR_NUM:
+ if (eal_parse_vfio_intr(optarg) < 0) {
+ RTE_LOG(ERR, EAL, "invalid parameters for --"
+ OPT_VFIO_INTR "\n");
eal_usage(prgname);
- exit(EXIT_SUCCESS);
-
- /* long options */
- case OPT_XEN_DOM0_NUM:
-#ifdef RTE_LIBRTE_XEN_DOM0
- internal_config.xen_dom0_support = 1;
-#else
- RTE_LOG(ERR, EAL, "Can't support DPDK app "
- "running on Dom0, please configure"
- " RTE_LIBRTE_XEN_DOM0=y\n");
ret = -1;
goto out;
-#endif
- break;
+ }
+ break;
- case OPT_HUGE_DIR_NUM:
- internal_config.hugepage_dir = optarg;
- break;
+ case OPT_CREATE_UIO_DEV_NUM:
+ internal_config.create_uio_dev = 1;
+ break;
- case OPT_FILE_PREFIX_NUM:
- internal_config.hugefile_prefix = optarg;
- break;
+ default:
+ if (opt < OPT_LONG_MIN_NUM && isprint(opt)) {
+ RTE_LOG(ERR, EAL, "Option %c is not supported "
+ "on Linux\n", opt);
+ } else if (opt >= OPT_LONG_MIN_NUM &&
+ opt < OPT_LONG_MAX_NUM) {
+ RTE_LOG(ERR, EAL, "Option %s is not supported "
+ "on Linux\n",
+ eal_long_options[option_index].name);
+ } else {
+ RTE_LOG(ERR, EAL, "Option %d is not supported "
+ "on Linux\n", opt);
+ }
+ eal_usage(prgname);
+ ret = -1;
+ goto out;
+ }
- case OPT_SOCKET_MEM_NUM:
- if (eal_parse_socket_mem(optarg) < 0) {
- RTE_LOG(ERR, EAL, "invalid parameters for --"
- OPT_SOCKET_MEM "\n");
- eal_usage(prgname);
- ret = -1;
- goto out;
- }
- break;
+ return 0;
+out:
+ return ret;
+}
- case OPT_BASE_VIRTADDR_NUM:
- if (eal_parse_base_virtaddr(optarg) < 0) {
- RTE_LOG(ERR, EAL, "invalid parameter for --"
- OPT_BASE_VIRTADDR "\n");
- eal_usage(prgname);
- ret = -1;
- goto out;
- }
- break;
+/* Parse the argument given in the command line of the application */
+static int
+eal_parse_args(int argc, char **argv)
+{
+ int opt, ret;
+ char **argvopt;
+ int option_index;
+ char *prgname = argv[0];
+ const int old_optind = optind;
+ const int old_optopt = optopt;
+ char * const old_optarg = optarg;
- case OPT_VFIO_INTR_NUM:
- if (eal_parse_vfio_intr(optarg) < 0) {
- RTE_LOG(ERR, EAL, "invalid parameters for --"
- OPT_VFIO_INTR "\n");
- eal_usage(prgname);
- ret = -1;
- goto out;
- }
- break;
+ argvopt = argv;
+ optind = 1;
- case OPT_CREATE_UIO_DEV_NUM:
- internal_config.create_uio_dev = 1;
- break;
+ while ((opt = getopt_long(argc, argvopt, eal_short_options,
+ eal_long_options, &option_index)) != EOF) {
- default:
- if (opt < OPT_LONG_MIN_NUM && isprint(opt)) {
- RTE_LOG(ERR, EAL, "Option %c is not supported "
- "on Linux\n", opt);
- } else if (opt >= OPT_LONG_MIN_NUM &&
- opt < OPT_LONG_MAX_NUM) {
- RTE_LOG(ERR, EAL, "Option %s is not supported "
- "on Linux\n",
- eal_long_options[option_index].name);
- } else {
- RTE_LOG(ERR, EAL, "Option %d is not supported "
- "on Linux\n", opt);
- }
- eal_usage(prgname);
- ret = -1;
+ ret = eal_parse_option(opt, optarg, option_index, prgname);
+ if (ret < 0)
goto out;
- }
}
if (eal_adjust_config(&internal_config) != 0) {
@@ -774,7 +795,10 @@ rte_eal_init(int argc, char **argv)
thread_id = pthread_self();
- eal_reset_internal_config(&internal_config);
+ if (!run_once_reset_internal_config) {
+ eal_reset_internal_config(&internal_config);
+ run_once_reset_internal_config = 1;
+ }
/* set log level as early as possible */
eal_log_level_parse(argc, argv);
@@ -995,3 +1019,68 @@ rte_eal_check_module(const char *module_name)
/* Module has been found */
return 1;
}
+
+#ifdef RTE_LIBRTE_CFGFILE
+int
+rte_eal_configure(struct rte_cfgfile *cfg, char *prgname)
+{
+ int n_entries;
+ int i;
+ int opt;
+ int option_index;
+
+ if (cfg == NULL) {
+ rte_errno = -EINVAL;
+ return -1;
+ }
+
+ n_entries = rte_cfgfile_section_num_entries(cfg, "DPDK");
+
+ if (n_entries < 1) {
+ printf("No DPDK section entries in cfgfile object\n");
+ return 0;
+ }
+
+ struct rte_cfgfile_entry entries[n_entries];
+
+ if (n_entries !=
+ rte_cfgfile_section_entries(cfg, "DPDK", entries,
+ n_entries)) {
+ rte_eal_init_alert("Unexpected fault.");
+ rte_errno = EFAULT;
+ return -1;
+ }
+
+ if (!run_once_reset_internal_config) {
+ eal_reset_internal_config(&internal_config);
+ run_once_reset_internal_config = 1;
+ }
+
+ /* set log level as early as possible */
+ eal_log_level_cfg(cfg);
+
+ if (rte_eal_cpu_init() < 0) {
+ rte_eal_init_alert("Cannot detect lcores.");
+ rte_errno = ENOTSUP;
+ return -1;
+ }
+
+ for (i = 0; i < n_entries; i++) {
+ eal_getopt(entries[i].name, &opt, &option_index);
+
+ if (eal_parse_option(opt, entries[i].value,
+ option_index, prgname) != 0) {
+ rte_eal_init_alert("Invalid config file arguments.");
+ rte_errno = EINVAL;
+ return -1;
+ }
+ }
+
+ if (parse_vdev_devices(cfg) < 0) {
+ rte_eal_init_alert("Couldn't parse vdevs");
+ rte_errno = ENOMEM;
+ return -1;
+ }
+ return 0;
+}
+#endif
diff --git a/lib/librte_eal/linuxapp/eal/rte_eal_version.map
b/lib/librte_eal/linuxapp/eal/rte_eal_version.map
index 0f9e009..d206fd3 100644
--- a/lib/librte_eal/linuxapp/eal/rte_eal_version.map
+++ b/lib/librte_eal/linuxapp/eal/rte_eal_version.map
@@ -205,6 +205,7 @@ DPDK_17.08 {
rte_bus_find;
rte_bus_find_by_device;
rte_bus_find_by_name;
+ rte_eal_configure;
} DPDK_17.05;
diff --git a/mk/rte.app.mk b/mk/rte.app.mk
index 5bb4290..b883d08 100644
--- a/mk/rte.app.mk
+++ b/mk/rte.app.mk
@@ -81,7 +81,6 @@ _LDLIBS-$(CONFIG_RTE_LIBRTE_POWER) += -lrte_power
_LDLIBS-$(CONFIG_RTE_LIBRTE_TIMER) += -lrte_timer
_LDLIBS-$(CONFIG_RTE_LIBRTE_EFD) += -lrte_efd
-_LDLIBS-$(CONFIG_RTE_LIBRTE_CFGFILE) += -lrte_cfgfile
_LDLIBS-y += --whole-archive
@@ -97,6 +96,7 @@ _LDLIBS-$(CONFIG_RTE_LIBRTE_MEMPOOL) += -lrte_mempool
_LDLIBS-$(CONFIG_RTE_DRIVER_MEMPOOL_RING) += -lrte_mempool_ring
_LDLIBS-$(CONFIG_RTE_LIBRTE_RING) += -lrte_ring
_LDLIBS-$(CONFIG_RTE_LIBRTE_EAL) += -lrte_eal
+_LDLIBS-$(CONFIG_RTE_LIBRTE_CFGFILE) += -lrte_cfgfile
_LDLIBS-$(CONFIG_RTE_LIBRTE_CMDLINE) += -lrte_cmdline
_LDLIBS-$(CONFIG_RTE_LIBRTE_REORDER) += -lrte_reorder
--
2.7.4
