#include <limits.h>
#include <errno.h>
#include <getopt.h>
+#include <dlfcn.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <dirent.h>
#include <rte_eal.h>
#include <rte_log.h>
{0, 0, NULL, 0 }
};
+TAILQ_HEAD(shared_driver_list, shared_driver);
+
+/* Definition for shared object drivers. */
+struct shared_driver {
+ TAILQ_ENTRY(shared_driver) next;
+
+ char name[PATH_MAX];
+ void* lib_handle;
+};
+
+/* List of external loadable drivers */
+static struct shared_driver_list solib_list =
+TAILQ_HEAD_INITIALIZER(solib_list);
+
+/* Default path of external loadable drivers */
+static const char *default_solib_dir = RTE_EAL_PMD_PATH;
+
+/*
+ * Stringified version of solib path used by dpdk-pmdinfo.py
+ * Note: PLEASE DO NOT ALTER THIS without making a corresponding
+ * change to tools/dpdk-pmdinfo.py
+ */
+static const char dpdk_solib_path[] __attribute__((used)) =
+"DPDK_PLUGIN_PATH=" RTE_EAL_PMD_PATH;
+
+
static int master_lcore_parsed;
static int mem_parsed;
internal_cfg->syslog_facility = LOG_DAEMON;
/* default value from build option */
+#if RTE_LOG_LEVEL >= RTE_LOG_DEBUG
+ internal_cfg->log_level = RTE_LOG_INFO;
+#else
internal_cfg->log_level = RTE_LOG_LEVEL;
+#endif
internal_cfg->xen_dom0_support = 0;
internal_cfg->create_uio_dev = 0;
}
+static int
+eal_plugin_add(const char *path)
+{
+ struct shared_driver *solib;
+
+ solib = malloc(sizeof(*solib));
+ if (solib == NULL) {
+ RTE_LOG(ERR, EAL, "malloc(solib) failed\n");
+ return -1;
+ }
+ memset(solib, 0, sizeof(*solib));
+ strncpy(solib->name, path, PATH_MAX-1);
+ solib->name[PATH_MAX-1] = 0;
+ TAILQ_INSERT_TAIL(&solib_list, solib, next);
+
+ return 0;
+}
+
+static int
+eal_plugindir_init(const char *path)
+{
+ DIR *d = NULL;
+ struct dirent *dent = NULL;
+ char sopath[PATH_MAX];
+
+ if (path == NULL || *path == '\0')
+ return 0;
+
+ d = opendir(path);
+ if (d == NULL) {
+ RTE_LOG(ERR, EAL, "failed to open directory %s: %s\n",
+ path, strerror(errno));
+ return -1;
+ }
+
+ while ((dent = readdir(d)) != NULL) {
+ struct stat sb;
+
+ snprintf(sopath, PATH_MAX-1, "%s/%s", path, dent->d_name);
+ sopath[PATH_MAX-1] = 0;
+
+ if (!(stat(sopath, &sb) == 0 && S_ISREG(sb.st_mode)))
+ continue;
+
+ if (eal_plugin_add(sopath) == -1)
+ break;
+ }
+
+ closedir(d);
+ /* XXX this ignores failures from readdir() itself */
+ return (dent == NULL) ? 0 : -1;
+}
+
+int
+eal_plugins_init(void)
+{
+ struct shared_driver *solib = NULL;
+
+ if (*default_solib_dir != '\0')
+ eal_plugin_add(default_solib_dir);
+
+ TAILQ_FOREACH(solib, &solib_list, next) {
+ struct stat sb;
+
+ if (stat(solib->name, &sb) == 0 && S_ISDIR(sb.st_mode)) {
+ if (eal_plugindir_init(solib->name) == -1) {
+ RTE_LOG(ERR, EAL,
+ "Cannot init plugin directory %s\n",
+ solib->name);
+ return -1;
+ }
+ } else {
+ RTE_LOG(DEBUG, EAL, "open shared lib %s\n",
+ solib->name);
+ solib->lib_handle = dlopen(solib->name, RTLD_NOW);
+ if (solib->lib_handle == NULL) {
+ RTE_LOG(ERR, EAL, "%s\n", dlerror());
+ return -1;
+ }
+ }
+
+ }
+ return 0;
+}
+
/*
* Parse the coremask given as argument (hexadecimal string) and fill
* the global configuration (core role and core count) with the parsed
str = end + 1;
} while (*end != '\0' && *end != ')');
+ /*
+ * to avoid failure that tail blank makes end character check fail
+ * in eal_parse_lcores( )
+ */
+ while (isblank(*str))
+ str++;
+
return str - input;
}
struct rte_config *cfg = rte_eal_get_configuration();
static uint16_t set[RTE_MAX_LCORE];
unsigned idx = 0;
- int i;
unsigned count = 0;
const char *lcore_start = NULL;
const char *end = NULL;
int offset;
rte_cpuset_t cpuset;
- int lflags = 0;
+ int lflags;
int ret = -1;
if (lcores == NULL)
/* Remove all blank characters ahead and after */
while (isblank(*lcores))
lcores++;
- i = strlen(lcores);
- while ((i > 0) && isblank(lcores[i - 1]))
- i--;
CPU_ZERO(&cpuset);
if (*lcores == '\0')
goto err;
+ lflags = 0;
+
/* record lcore_set start point */
lcore_start = lcores;
/* force number of channels */
case 'n':
conf->force_nchannel = atoi(optarg);
- if (conf->force_nchannel == 0 ||
- conf->force_nchannel > 4) {
+ if (conf->force_nchannel == 0) {
RTE_LOG(ERR, EAL, "invalid channel number\n");
return -1;
}
return -1;
}
break;
+ /* force loading of external driver */
+ case 'd':
+ if (eal_plugin_add(optarg) == -1)
+ return -1;
+ break;
case 'v':
/* since message is explicitly requested by user, we
* write message at highest log level so it can always
" --"OPT_VDEV" Add a virtual device.\n"
" The argument format is <driver><id>[,key=val,...]\n"
" (ex: --vdev=eth_pcap0,iface=eth2).\n"
+ " -d LIB.so|DIR Add a driver or driver directory\n"
+ " (can be used multiple times)\n"
" --"OPT_VMWARE_TSC_MAP" Use VMware TSC map instead of native RDTSC\n"
" --"OPT_PROC_TYPE" Type of this process (primary|secondary|auto)\n"
" --"OPT_SYSLOG" Set syslog facility\n"