[dpdk-dev] [PATCH v3 3/3] lib: use RTE_DIM to calculate array size

[<pbhagavatula@marvell.com>]

From: Pavan Nikhilesh <pbhagavatula@marvell.com>

use RTE_DIM to calculate array size.

Suggested-by: David Marchand <david.marchand@redhat.com>
Signed-off-by: Pavan Nikhilesh <pbhagavatula@marvell.com>
Acked-by: Cristian Dumitrescu <cristian.dumitrescu@intel.com>
---
 lib/librte_ethdev/rte_ethdev.c                   | 8 +++-----
 lib/librte_ip_frag/ip_frag_internal.c            | 5 ++---
 lib/librte_port/rte_port_eventdev.c              | 4 ++--
 lib/librte_port/rte_port_eventdev.h              | 4 ----
 lib/librte_telemetry/rte_telemetry_parser_test.c | 4 +---
 5 files changed, 8 insertions(+), 17 deletions(-)

diff --git a/lib/librte_ethdev/rte_ethdev.c b/lib/librte_ethdev/rte_ethdev.c
index 9d62dc436..774c721b3 100644
--- a/lib/librte_ethdev/rte_ethdev.c
+++ b/lib/librte_ethdev/rte_ethdev.c
@@ -86,7 +86,7 @@ static const struct rte_eth_xstats_name_off rte_stats_strings[] = {
 		rx_nombuf)},
 };
 
-#define RTE_NB_STATS (sizeof(rte_stats_strings) / sizeof(rte_stats_strings[0]))
+#define RTE_NB_STATS RTE_DIM(rte_stats_strings)
 
 static const struct rte_eth_xstats_name_off rte_rxq_stats_strings[] = {
 	{"packets", offsetof(struct rte_eth_stats, q_ipackets)},
@@ -94,15 +94,13 @@ static const struct rte_eth_xstats_name_off rte_rxq_stats_strings[] = {
 	{"errors", offsetof(struct rte_eth_stats, q_errors)},
 };
 
-#define RTE_NB_RXQ_STATS (sizeof(rte_rxq_stats_strings) /	\
-		sizeof(rte_rxq_stats_strings[0]))
+#define RTE_NB_RXQ_STATS RTE_DIM(rte_rxq_stats_strings)
 
 static const struct rte_eth_xstats_name_off rte_txq_stats_strings[] = {
 	{"packets", offsetof(struct rte_eth_stats, q_opackets)},
 	{"bytes", offsetof(struct rte_eth_stats, q_obytes)},
 };
-#define RTE_NB_TXQ_STATS (sizeof(rte_txq_stats_strings) /	\
-		sizeof(rte_txq_stats_strings[0]))
+#define RTE_NB_TXQ_STATS RTE_DIM(rte_txq_stats_strings)
 
 #define RTE_RX_OFFLOAD_BIT2STR(_name)	\
 	{ DEV_RX_OFFLOAD_##_name, #_name }
diff --git a/lib/librte_ip_frag/ip_frag_internal.c b/lib/librte_ip_frag/ip_frag_internal.c
index 97470a872..b436a4c93 100644
--- a/lib/librte_ip_frag/ip_frag_internal.c
+++ b/lib/librte_ip_frag/ip_frag_internal.c
@@ -107,8 +107,7 @@ ip_frag_process(struct ip_frag_pkt *fp, struct rte_ip_frag_death_row *dr,
 				IP_LAST_FRAG_IDX : UINT32_MAX;
 
 	/* this is the intermediate fragment. */
-	} else if ((idx = fp->last_idx) <
-		sizeof (fp->frags) / sizeof (fp->frags[0])) {
+	} else if ((idx = fp->last_idx) < RTE_DIM(fp->frags)) {
 		fp->last_idx++;
 	}
 
@@ -116,7 +115,7 @@ ip_frag_process(struct ip_frag_pkt *fp, struct rte_ip_frag_death_row *dr,
 	 * erroneous packet: either exceed max allowed number of fragments,
 	 * or duplicate first/last fragment encountered.
 	 */
-	if (idx >= sizeof (fp->frags) / sizeof (fp->frags[0])) {
+	if (idx >= RTE_DIM(fp->frags)) {
 
 		/* report an error. */
 		if (fp->key.key_len == IPV4_KEYLEN)
diff --git a/lib/librte_port/rte_port_eventdev.c b/lib/librte_port/rte_port_eventdev.c
index aa93bd3a2..fd7dac9a5 100644
--- a/lib/librte_port/rte_port_eventdev.c
+++ b/lib/librte_port/rte_port_eventdev.c
@@ -179,7 +179,7 @@ rte_port_eventdev_writer_create(void *params, int socket_id)
 	port->evt_op = conf->evt_op;
 	memset(&port->ev, 0, sizeof(port->ev));
 
-	for (i = 0; i < ARRAY_SIZE(port->ev); i++) {
+	for (i = 0; i < RTE_DIM(port->ev); i++) {
 		port->ev[i].queue_id = port->queue_id;
 		port->ev[i].sched_type = port->sched_type;
 		port->ev[i].op = port->evt_op;
@@ -386,7 +386,7 @@ rte_port_eventdev_writer_nodrop_create(void *params, int socket_id)
 	port->evt_op = conf->evt_op;
 	memset(&port->ev, 0, sizeof(port->ev));
 
-	for (i = 0; i < ARRAY_SIZE(port->ev); i++) {
+	for (i = 0; i < RTE_DIM(port->ev); i++) {
 		port->ev[i].queue_id = port->queue_id;
 		port->ev[i].sched_type = port->sched_type;
 		port->ev[i].op = port->evt_op;
diff --git a/lib/librte_port/rte_port_eventdev.h b/lib/librte_port/rte_port_eventdev.h
index acf88f4e9..966e9cdaf 100644
--- a/lib/librte_port/rte_port_eventdev.h
+++ b/lib/librte_port/rte_port_eventdev.h
@@ -9,10 +9,6 @@
 extern "C" {
 #endif
 
-#ifndef ARRAY_SIZE
-#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
-#endif
-
 /**
  * @file
  * RTE Port Eventdev Interface
diff --git a/lib/librte_telemetry/rte_telemetry_parser_test.c b/lib/librte_telemetry/rte_telemetry_parser_test.c
index 23ec7a77c..6164ef83e 100644
--- a/lib/librte_telemetry/rte_telemetry_parser_test.c
+++ b/lib/librte_telemetry/rte_telemetry_parser_test.c
@@ -463,10 +463,8 @@ rte_telemetry_parser_test(struct telemetry_impl *telemetry)
 	};
 
 
-#define NUM_TEST_TYPES (sizeof(test_types)/sizeof(const char * const))
-
 	uint32_t i;
-	for (i = 0; i < NUM_TEST_TYPES; i++) {
+	for (i = 0; i < RTE_DIM(test_types); i++) {
 		TELEMETRY_LOG_INFO("%s", test_types[i]);
 
 		ret = rte_telemetry_send_get_ports_and_stats_request(telemetry,
-- 
2.17.1