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examples: adjust Rx and Tx descriptors to device limits
[dpdk.git]
/
examples
/
quota_watermark
/
qw
/
init.c
diff --git
a/examples/quota_watermark/qw/init.c
b/examples/quota_watermark/qw/init.c
index
b6264fc
..
083a37a
100644
(file)
--- a/
examples/quota_watermark/qw/init.c
+++ b/
examples/quota_watermark/qw/init.c
@@
-76,6
+76,8
@@
static struct rte_eth_fc_conf fc_conf = {
void configure_eth_port(uint8_t port_id)
{
int ret;
void configure_eth_port(uint8_t port_id)
{
int ret;
+ uint16_t nb_rxd = RX_DESC_PER_QUEUE;
+ uint16_t nb_txd = TX_DESC_PER_QUEUE;
rte_eth_dev_stop(port_id);
rte_eth_dev_stop(port_id);
@@
-84,8
+86,14
@@
void configure_eth_port(uint8_t port_id)
rte_exit(EXIT_FAILURE, "Cannot configure port %u (error %d)\n",
(unsigned int) port_id, ret);
rte_exit(EXIT_FAILURE, "Cannot configure port %u (error %d)\n",
(unsigned int) port_id, ret);
+ ret = rte_eth_dev_adjust_nb_rx_tx_desc(port_id, &nb_rxd, &nb_txd);
+ if (ret < 0)
+ rte_exit(EXIT_FAILURE,
+ "Cannot adjust number of descriptors for port %u (error %d)\n",
+ (unsigned int) port_id, ret);
+
/* Initialize the port's RX queue */
/* Initialize the port's RX queue */
- ret = rte_eth_rx_queue_setup(port_id, 0,
RX_DESC_PER_QUEUE
,
+ ret = rte_eth_rx_queue_setup(port_id, 0,
nb_rxd
,
rte_eth_dev_socket_id(port_id),
NULL,
mbuf_pool);
rte_eth_dev_socket_id(port_id),
NULL,
mbuf_pool);
@@
-95,7
+103,7
@@
void configure_eth_port(uint8_t port_id)
(unsigned int) port_id, ret);
/* Initialize the port's TX queue */
(unsigned int) port_id, ret);
/* Initialize the port's TX queue */
- ret = rte_eth_tx_queue_setup(port_id, 0,
TX_DESC_PER_QUEUE
,
+ ret = rte_eth_tx_queue_setup(port_id, 0,
nb_txd
,
rte_eth_dev_socket_id(port_id),
NULL);
if (ret < 0)
rte_eth_dev_socket_id(port_id),
NULL);
if (ret < 0)