New upstream version 17.11.5

[deb_dpdk.git] / lib / librte_eal / common / include / rte_lcore.h

diff --git a/lib/librte_eal/common/include/rte_lcore.h b/lib/librte_eal/common/include/rte_lcore.h
index ac15130..0dd710d 100644 (file)
--- a/lib/librte_eal/common/include/rte_lcore.h
+++ b/lib/librte_eal/common/include/rte_lcore.h
@@ -40,6 +40,7 @@
  * API for lcore and socket manipulation
  *
  */
+#include <rte_config.h>
 #include <rte_per_lcore.h>
 #include <rte_eal.h>
 #include <rte_launch.h>
@@ -73,6 +74,7 @@ struct lcore_config {
        unsigned core_id;          /**< core number on socket for this lcore */
        int core_index;            /**< relative index, starting from 0 */
        rte_cpuset_t cpuset;       /**< cpu set which the lcore affinity to */
+       uint8_t core_role;         /**< role of core eg: OFF, RTE, SERVICE */
 };
 
 /**
@@ -134,7 +136,7 @@ rte_lcore_index(int lcore_id)
        if (lcore_id >= RTE_MAX_LCORE)
                return -1;
        if (lcore_id < 0)
-               lcore_id = rte_lcore_id();
+               lcore_id = (int)rte_lcore_id();
        return lcore_config[lcore_id].core_index;
 }
 
@@ -175,7 +177,7 @@ rte_lcore_is_enabled(unsigned lcore_id)
        struct rte_config *cfg = rte_eal_get_configuration();
        if (lcore_id >= RTE_MAX_LCORE)
                return 0;
-       return cfg->lcore_role[lcore_id] != ROLE_OFF;
+       return cfg->lcore_role[lcore_id] == ROLE_RTE;
 }
 
 /**
@@ -250,23 +252,30 @@ void rte_thread_get_affinity(rte_cpuset_t *cpusetp);
 /**
  * Set thread names.
  *
- * Macro to wrap `pthread_setname_np()` with a glibc version check.
- * Only glibc >= 2.12 supports this feature.
+ * @note It fails with glibc < 2.12.
  *
- * This macro only used for Linux, BSD does direct libc call.
- * BSD libc version of function is `pthread_set_name_np()`.
+ * @param id
+ *   Thread id.
+ * @param name
+ *   Thread name to set.
+ * @return
+ *   On success, return 0; otherwise return a negative value.
  */
-#if defined(__DOXYGEN__)
-#define rte_thread_setname(...) pthread_setname_np(__VA_ARGS__)
-#endif
+int rte_thread_setname(pthread_t id, const char *name);
 
-#if defined(__GLIBC__) && defined(__GLIBC_PREREQ)
-#if __GLIBC_PREREQ(2, 12)
-#define rte_thread_setname(...) pthread_setname_np(__VA_ARGS__)
-#else
-#define rte_thread_setname(...) 0
-#endif
-#endif
+/**
+ * Test if the core supplied has a specific role
+ *
+ * @param lcore_id
+ *   The identifier of the lcore, which MUST be between 0 and
+ *   RTE_MAX_LCORE-1.
+ * @param role
+ *   The role to be checked against.
+ * @return
+ *   On success, return 0; otherwise return a negative value.
+ */
+int
+rte_lcore_has_role(unsigned int lcore_id, enum rte_lcore_role_t role);
 
 #ifdef __cplusplus
 }