[dpdk-dev] [PATCH 1/4] bus/dpaa: fix the logical to physical core affine logic

[Hemant Agrawal <hemant.agrawal@nxp.com>]

The code was treating the lcore id as physical core id.
The code is updated to use actual physical core value
for any core affinity logic.

Note that DPAA devices are single cluster systems.

Fixes: 5d944582d028 ("bus/dpaa: check portal presence in the caller function")
Cc: Nipun Gupta <nipun.gupta@nxp.com>
Cc: stable@dpdk.org

Signed-off-by: Hemant Agrawal <hemant.agrawal@nxp.com>
---
 drivers/bus/dpaa/dpaa_bus.c | 41 +++++++++++++++++++------------------
 1 file changed, 21 insertions(+), 20 deletions(-)

diff --git a/drivers/bus/dpaa/dpaa_bus.c b/drivers/bus/dpaa/dpaa_bus.c
index 203f60dc1..1f9e3ca11 100644
--- a/drivers/bus/dpaa/dpaa_bus.c
+++ b/drivers/bus/dpaa/dpaa_bus.c
@@ -250,52 +250,53 @@ dpaa_clean_device_list(void)
 
 int rte_dpaa_portal_init(void *arg)
 {
-	cpu_set_t cpuset;
 	pthread_t id;
-	uint32_t cpu = rte_lcore_id();
+	unsigned int cpu, lcore = rte_lcore_id();
 	int ret;
 	struct dpaa_portal *dpaa_io_portal;
 
 	BUS_INIT_FUNC_TRACE();
 
-	if ((size_t)arg == 1 || cpu == LCORE_ID_ANY)
-		cpu = rte_get_master_lcore();
-	/* if the core id is not supported */
+	if ((size_t)arg == 1 || lcore == LCORE_ID_ANY)
+		lcore = rte_get_master_lcore();
 	else
-		if (cpu >= RTE_MAX_LCORE)
+		if (lcore >= RTE_MAX_LCORE)
 			return -1;
 
-	/* Set CPU affinity for this thread */
-	CPU_ZERO(&cpuset);
-	CPU_SET(cpu, &cpuset);
+	cpu = lcore_config[lcore].core_id;
+
+	/* Set CPU affinity for this thread.*/
 	id = pthread_self();
-	ret = pthread_setaffinity_np(id, sizeof(cpu_set_t), &cpuset);
+	ret = pthread_setaffinity_np(id, sizeof(cpu_set_t),
+			&lcore_config[lcore].cpuset);
 	if (ret) {
-		DPAA_BUS_LOG(ERR, "pthread_setaffinity_np failed on "
-			"core :%d with ret: %d", cpu, ret);
+		DPAA_BUS_LOG(ERR, "pthread_setaffinity_np failed on core :%u"
+			     " (lcore=%u) with ret: %d", cpu, lcore, ret);
 		return ret;
 	}
 
 	/* Initialise bman thread portals */
 	ret = bman_thread_init();
 	if (ret) {
-		DPAA_BUS_LOG(ERR, "bman_thread_init failed on "
-			"core %d with ret: %d", cpu, ret);
+		DPAA_BUS_LOG(ERR, "bman_thread_init failed on core %u"
+			     " (lcore=%u) with ret: %d", cpu, lcore, ret);
 		return ret;
 	}
 
-	DPAA_BUS_LOG(DEBUG, "BMAN thread initialized");
+	DPAA_BUS_LOG(DEBUG, "BMAN thread initialized - CPU=%d lcore=%d",
+		     cpu, lcore);
 
 	/* Initialise qman thread portals */
 	ret = qman_thread_init();
 	if (ret) {
-		DPAA_BUS_LOG(ERR, "bman_thread_init failed on "
-			"core %d with ret: %d", cpu, ret);
+		DPAA_BUS_LOG(ERR, "qman_thread_init failed on core %u"
+			    " (lcore=%u) with ret: %d", cpu, lcore, ret);
 		bman_thread_finish();
 		return ret;
 	}
 
-	DPAA_BUS_LOG(DEBUG, "QMAN thread initialized");
+	DPAA_BUS_LOG(DEBUG, "QMAN thread initialized - CPU=%d lcore=%d",
+		     cpu, lcore);
 
 	dpaa_io_portal = rte_malloc(NULL, sizeof(struct dpaa_portal),
 				    RTE_CACHE_LINE_SIZE);
@@ -312,8 +313,8 @@ int rte_dpaa_portal_init(void *arg)
 
 	ret = pthread_setspecific(dpaa_portal_key, (void *)dpaa_io_portal);
 	if (ret) {
-		DPAA_BUS_LOG(ERR, "pthread_setspecific failed on "
-			    "core %d with ret: %d", cpu, ret);
+		DPAA_BUS_LOG(ERR, "pthread_setspecific failed on core %u"
+			     " (lcore=%u) with ret: %d", cpu, lcore, ret);
 		dpaa_portal_finish(NULL);
 
 		return ret;
-- 
2.17.1