[v3,5/6] app/testpmd: fix valid desc id check
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Commit Message
From: Chengchang Tang <tangchengchang@huawei.com>
The number of desc is a per queue configuration. But in the check function,
nb_txd & nb_rxd are used to check whether the desc_id is valid. nb_txd &
nb_rxd are the global configuration of number of desc. If the queue
configuration is changed by cmdline liks: "port config xx txq xx ring_size
xxx", the real value will be changed.
This patch use the real value to check whether the desc_id is valid. And if
these are not configured by user. It will use the default value to check
it, since the rte_eth_rx_queue_setup & rte_eth_tx_queue_setup will use a
default value to confiure the queue if nb_rx_desc or nb_tx_desc is zero.
Fixes: af75078fece3 ("first public release")
Cc: stable@dpdk.org
Signed-off-by: Chengchang Tang <tangchengchang@huawei.com>
Signed-off-by: Wei Hu (Xavier) <xavier.huwei@huawei.com>
---
app/test-pmd/config.c | 53 +++++++++++++++++++++++++++++++++++++++++----------
1 file changed, 43 insertions(+), 10 deletions(-)
Comments
On 9/19/2020 11:47 AM, Wei Hu (Xavier) wrote:
> From: Chengchang Tang <tangchengchang@huawei.com>
>
> The number of desc is a per queue configuration. But in the check function,
> nb_txd & nb_rxd are used to check whether the desc_id is valid. nb_txd &
> nb_rxd are the global configuration of number of desc. If the queue
> configuration is changed by cmdline liks: "port config xx txq xx ring_size
> xxx", the real value will be changed.
>
> This patch use the real value to check whether the desc_id is valid. And if
> these are not configured by user. It will use the default value to check
> it, since the rte_eth_rx_queue_setup & rte_eth_tx_queue_setup will use a
> default value to confiure the queue if nb_rx_desc or nb_tx_desc is zero.
>
> Fixes: af75078fece3 ("first public release")
> Cc: stable@dpdk.org
>
> Signed-off-by: Chengchang Tang <tangchengchang@huawei.com>
> Signed-off-by: Wei Hu (Xavier) <xavier.huwei@huawei.com>
> ---
> app/test-pmd/config.c | 53 +++++++++++++++++++++++++++++++++++++++++----------
> 1 file changed, 43 insertions(+), 10 deletions(-)
>
> diff --git a/app/test-pmd/config.c b/app/test-pmd/config.c
> index 882de2d..b7851c7 100644
> --- a/app/test-pmd/config.c
> +++ b/app/test-pmd/config.c
> @@ -1891,22 +1891,55 @@ tx_queue_id_is_invalid(queueid_t txq_id)
> }
>
> static int
> -rx_desc_id_is_invalid(uint16_t rxdesc_id)
> +rx_desc_id_is_invalid(portid_t port_id, queueid_t rxq_id, uint16_t rxdesc_id)
> {
> - if (rxdesc_id < nb_rxd)
> + struct rte_port *port = &ports[port_id];
> + uint16_t ring_size;
> +
> + /*
> + * When configure the rxq by rte_eth_rx_queue_setup with nb_rx_desc
> + * being 0, it will use a default value provided by PMDs to setup this
> + * rxq. If the default value is 0, it will use the
> + * RTE_ETH_DEV_FALLBACK_RX_RINGSIZE to setup this rxq.
> + */
> + if (port->nb_rx_desc[rxq_id])
> + ring_size = port->nb_rx_desc[rxq_id];
> + else if (port->dev_info.default_rxportconf.ring_size)
> + ring_size = port->dev_info.default_rxportconf.ring_size;
> + else
> + ring_size = RTE_ETH_DEV_FALLBACK_RX_RINGSIZE;
> +
> + if (rxdesc_id < ring_size)
> return 0;
> - printf("Invalid RX descriptor %d (must be < nb_rxd=%d)\n",
> - rxdesc_id, nb_rxd);
> + printf("Invalid RX descriptor %d (must be < ring_size=%d)\n",
> + rxdesc_id, ring_size);
> return 1;
+1 to fix, but similar comment as previous patch, can
'rte_eth_rx_queue_info_get()' be used to detect the 'ring_size'?
@@ -1891,22 +1891,55 @@ tx_queue_id_is_invalid(queueid_t txq_id)
}
static int
-rx_desc_id_is_invalid(uint16_t rxdesc_id)
+rx_desc_id_is_invalid(portid_t port_id, queueid_t rxq_id, uint16_t rxdesc_id)
{
- if (rxdesc_id < nb_rxd)
+ struct rte_port *port = &ports[port_id];
+ uint16_t ring_size;
+
+ /*
+ * When configure the rxq by rte_eth_rx_queue_setup with nb_rx_desc
+ * being 0, it will use a default value provided by PMDs to setup this
+ * rxq. If the default value is 0, it will use the
+ * RTE_ETH_DEV_FALLBACK_RX_RINGSIZE to setup this rxq.
+ */
+ if (port->nb_rx_desc[rxq_id])
+ ring_size = port->nb_rx_desc[rxq_id];
+ else if (port->dev_info.default_rxportconf.ring_size)
+ ring_size = port->dev_info.default_rxportconf.ring_size;
+ else
+ ring_size = RTE_ETH_DEV_FALLBACK_RX_RINGSIZE;
+
+ if (rxdesc_id < ring_size)
return 0;
- printf("Invalid RX descriptor %d (must be < nb_rxd=%d)\n",
- rxdesc_id, nb_rxd);
+ printf("Invalid RX descriptor %d (must be < ring_size=%d)\n",
+ rxdesc_id, ring_size);
return 1;
}
static int
-tx_desc_id_is_invalid(uint16_t txdesc_id)
+tx_desc_id_is_invalid(portid_t port_id, queueid_t txq_id, uint16_t txdesc_id)
{
- if (txdesc_id < nb_txd)
+ struct rte_port *port = &ports[port_id];
+ uint16_t ring_size;
+
+ /*
+ * When configure the txq by rte_eth_tx_queue_setup with nb_tx_desc
+ * being 0, it will use a default value provided by PMDs to setup this
+ * txq. If the default value is 0, it will use the
+ * RTE_ETH_DEV_FALLBACK_TX_RINGSIZE to setup this txq.
+ */
+ if (port->nb_tx_desc[txq_id])
+ ring_size = port->nb_tx_desc[txq_id];
+ else if (port->dev_info.default_txportconf.ring_size)
+ ring_size = port->dev_info.default_txportconf.ring_size;
+ else
+ ring_size = RTE_ETH_DEV_FALLBACK_RX_RINGSIZE;
+
+ if (txdesc_id < ring_size)
return 0;
- printf("Invalid TX descriptor %d (must be < nb_txd=%d)\n",
- txdesc_id, nb_txd);
+
+ printf("Invalid TX descriptor %d (must be < ring_size=%d)\n",
+ txdesc_id, ring_size);
return 1;
}
@@ -2031,7 +2064,7 @@ rx_ring_desc_display(portid_t port_id, queueid_t rxq_id, uint16_t rxd_id)
return;
if (rx_queue_id_is_invalid(rxq_id))
return;
- if (rx_desc_id_is_invalid(rxd_id))
+ if (rx_desc_id_is_invalid(port_id, rxq_id, rxd_id))
return;
rx_mz = ring_dma_zone_lookup("rx_ring", port_id, rxq_id);
if (rx_mz == NULL)
@@ -2048,7 +2081,7 @@ tx_ring_desc_display(portid_t port_id, queueid_t txq_id, uint16_t txd_id)
return;
if (tx_queue_id_is_invalid(txq_id))
return;
- if (tx_desc_id_is_invalid(txd_id))
+ if (tx_desc_id_is_invalid(port_id, txq_id, txd_id))
return;
tx_mz = ring_dma_zone_lookup("tx_ring", port_id, txq_id);
if (tx_mz == NULL)