[PATCH v2 1/6] examples/l3fwd: fix lcore ID restriction

[Sivaprasad Tummala]

Currently the config option allows lcore IDs up to 255,
irrespective of RTE_MAX_LCORES and needs to be fixed.

The patch allows config options based on DPDK config.

Fixes: af75078fece3 ("first public release")
Cc: stable at dpdk.org

Signed-off-by: Sivaprasad Tummala <sivaprasad.tummala at amd.com>
---
 examples/l3fwd/main.c | 19 +++++++++++--------
 1 file changed, 11 insertions(+), 8 deletions(-)

diff --git a/examples/l3fwd/main.c b/examples/l3fwd/main.c
index 3bf28aec0c..ed116da09c 100644
--- a/examples/l3fwd/main.c
+++ b/examples/l3fwd/main.c
@@ -99,7 +99,7 @@ struct parm_cfg parm_config;
 struct lcore_params {
 	uint16_t port_id;
 	uint8_t queue_id;
-	uint8_t lcore_id;
+	uint16_t lcore_id;
 } __rte_cache_aligned;
 
 static struct lcore_params lcore_params_array[MAX_LCORE_PARAMS];
@@ -292,8 +292,8 @@ setup_l3fwd_lookup_tables(void)
 static int
 check_lcore_params(void)
 {
-	uint8_t queue, lcore;
-	uint16_t i;
+	uint8_t queue;
+	uint16_t i, lcore;
 	int socketid;
 
 	for (i = 0; i < nb_lcore_params; ++i) {
@@ -304,12 +304,12 @@ check_lcore_params(void)
 		}
 		lcore = lcore_params[i].lcore_id;
 		if (!rte_lcore_is_enabled(lcore)) {
-			printf("error: lcore %hhu is not enabled in lcore mask\n", lcore);
+			printf("error: lcore %hu is not enabled in lcore mask\n", lcore);
 			return -1;
 		}
 		if ((socketid = rte_lcore_to_socket_id(lcore) != 0) &&
 			(numa_on == 0)) {
-			printf("warning: lcore %hhu is on socket %d with numa off \n",
+			printf("warning: lcore %hu is on socket %d with numa off\n",
 				lcore, socketid);
 		}
 	}
@@ -359,7 +359,7 @@ static int
 init_lcore_rx_queues(void)
 {
 	uint16_t i, nb_rx_queue;
-	uint8_t lcore;
+	uint16_t lcore;
 
 	for (i = 0; i < nb_lcore_params; ++i) {
 		lcore = lcore_params[i].lcore_id;
@@ -500,6 +500,8 @@ parse_config(const char *q_arg)
 	char *str_fld[_NUM_FLD];
 	int i;
 	unsigned size;
+	unsigned int max_fld[_NUM_FLD] = {RTE_MAX_ETHPORTS,
+					255, RTE_MAX_LCORE};
 
 	nb_lcore_params = 0;
 
@@ -518,7 +520,8 @@ parse_config(const char *q_arg)
 		for (i = 0; i < _NUM_FLD; i++){
 			errno = 0;
 			int_fld[i] = strtoul(str_fld[i], &end, 0);
-			if (errno != 0 || end == str_fld[i] || int_fld[i] > 255)
+			if (errno != 0 || end == str_fld[i] || int_fld[i] >
+									max_fld[i])
 				return -1;
 		}
 		if (nb_lcore_params >= MAX_LCORE_PARAMS) {
@@ -531,7 +534,7 @@ parse_config(const char *q_arg)
 		lcore_params_array[nb_lcore_params].queue_id =
 			(uint8_t)int_fld[FLD_QUEUE];
 		lcore_params_array[nb_lcore_params].lcore_id =
-			(uint8_t)int_fld[FLD_LCORE];
+			(uint16_t)int_fld[FLD_LCORE];
 		++nb_lcore_params;
 	}
 	lcore_params = lcore_params_array;
-- 
2.25.1