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From: Sivaprasad Tummala <sivaprasad.tummala@amd.com>
To: <david.hunt@intel.com>, <anatoly.burakov@intel.com>, <jerinj@marvell.com>,
<radu.nicolau@intel.com>, <gakhil@marvell.com>,
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CC: <dev@dpdk.org>, <stable@dpdk.org>
Subject: [PATCH v2 1/6] examples/l3fwd: fix lcore ID restriction
Date: Tue, 19 Dec 2023 04:28:20 +0100
Message-ID: <20231219032826.4814-2-sivaprasad.tummala@amd.com>
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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@dpdk.org
Signed-off-by: Sivaprasad Tummala <sivaprasad.tummala@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