From: Pavan Bhagavatula <pbhagavat...@caviumnetworks.com>
This function can be used to check the role of a specific lcore.
Signed-off-by: Pavan Nikhilesh <pbhagavat...@caviumnetworks.com>
Acked-by: Harry van Haaren <harry.van.haa...@intel.com>
---
v3 changes:
- moved changes to eal_common_thread.c
- addressed coding style issues
v2 changes:
- removed ack due to significant changes in patch
- addressed review comments
- modified commit title and message
lib/librte_eal/bsdapp/eal/rte_eal_version.map | 7 +++++++
lib/librte_eal/common/eal_common_thread.c | 14 ++++++++++++++
lib/librte_eal/common/include/rte_lcore.h | 14 ++++++++++++++
lib/librte_eal/linuxapp/eal/rte_eal_version.map | 7 +++++++
4 files changed, 42 insertions(+)
diff --git a/lib/librte_eal/bsdapp/eal/rte_eal_version.map
b/lib/librte_eal/bsdapp/eal/rte_eal_version.map
index aac6fd7..19f75d9 100644
--- a/lib/librte_eal/bsdapp/eal/rte_eal_version.map
+++ b/lib/librte_eal/bsdapp/eal/rte_eal_version.map
@@ -237,3 +237,10 @@ EXPERIMENTAL {
rte_service_unregister;
} DPDK_17.08;
+
+DPDK_17.11 {
+ global:
+
+ rte_lcore_has_role;
+
+} DPDK_17.08;
diff --git a/lib/librte_eal/common/eal_common_thread.c
b/lib/librte_eal/common/eal_common_thread.c
index 2405e93..55e9696 100644
--- a/lib/librte_eal/common/eal_common_thread.c
+++ b/lib/librte_eal/common/eal_common_thread.c
@@ -53,6 +53,20 @@ unsigned rte_socket_id(void)
return RTE_PER_LCORE(_socket_id);
}
+int
+rte_lcore_has_role(unsigned int lcore_id, enum rte_lcore_role_t role)
+{
+ struct rte_config *cfg = rte_eal_get_configuration();
+
+ if (lcore_id >= RTE_MAX_LCORE)
+ return -EINVAL;
+
+ if (cfg->lcore_role[lcore_id] == role)
+ return 0;
+
+ return -EINVAL;
+}
+
int eal_cpuset_socket_id(rte_cpuset_t *cpusetp)
{
unsigned cpu = 0;
diff --git a/lib/librte_eal/common/include/rte_lcore.h
b/lib/librte_eal/common/include/rte_lcore.h
index 50e0d0f..c89e6ba 100644
--- a/lib/librte_eal/common/include/rte_lcore.h
+++ b/lib/librte_eal/common/include/rte_lcore.h
@@ -262,6 +262,20 @@ void rte_thread_get_affinity(rte_cpuset_t *cpusetp);
*/
int rte_thread_setname(pthread_t id, const char *name);
+/**
+ * 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
}
#endif
diff --git a/lib/librte_eal/linuxapp/eal/rte_eal_version.map
b/lib/librte_eal/linuxapp/eal/rte_eal_version.map
index 3a8f154..60c2fbc 100644
--- a/lib/librte_eal/linuxapp/eal/rte_eal_version.map
+++ b/lib/librte_eal/linuxapp/eal/rte_eal_version.map
@@ -242,3 +242,10 @@ EXPERIMENTAL {
rte_service_unregister;
} DPDK_17.08;
+
+DPDK_17.11 {
+ global:
+
+ rte_lcore_has_role;
+
+} DPDK_17.08;
--
2.7.4
