From: Rohit Raj <rohit....@nxp.com>
Added warning message if application is configuring nb_desc
more than supported by PEB memory suggesting user to configure
HW descriptors in normal memory rather than in faster PEB
memory.
Signed-off-by: Rohit Raj <rohit....@nxp.com>
---
drivers/net/dpaa2/dpaa2_ethdev.c | 13 +++++++++++++
1 file changed, 13 insertions(+)
diff --git a/drivers/net/dpaa2/dpaa2_ethdev.c b/drivers/net/dpaa2/dpaa2_ethdev.c
index a3706439d5..f5cac8f9d9 100644
--- a/drivers/net/dpaa2/dpaa2_ethdev.c
+++ b/drivers/net/dpaa2/dpaa2_ethdev.c
@@ -74,6 +74,9 @@ int dpaa2_timestamp_dynfield_offset = -1;
/* Enable error queue */
bool dpaa2_enable_err_queue;
+#define MAX_NB_RX_DESC 11264
+int total_nb_rx_desc;
+
struct rte_dpaa2_xstats_name_off {
char name[RTE_ETH_XSTATS_NAME_SIZE];
uint8_t page_id; /* dpni statistics page id */
@@ -694,6 +697,13 @@ dpaa2_dev_rx_queue_setup(struct rte_eth_dev *dev,
DPAA2_PMD_DEBUG("dev =%p, queue =%d, pool = %p, conf =%p",
dev, rx_queue_id, mb_pool, rx_conf);
+ total_nb_rx_desc += nb_rx_desc;
+ if (total_nb_rx_desc > MAX_NB_RX_DESC) {
+ DPAA2_PMD_WARN("\nTotal nb_rx_desc exceeds %d limit. Please use
Normal buffers",
+ MAX_NB_RX_DESC);
+ DPAA2_PMD_WARN("To use Normal buffers, run 'export
DPNI_NORMAL_BUF=1' before running dynamic_dpl.sh script");
+ }
+
/* Rx deferred start is not supported */
if (rx_conf->rx_deferred_start) {
DPAA2_PMD_ERR("%p:Rx deferred start not supported",
@@ -984,6 +994,9 @@ dpaa2_dev_rx_queue_release(struct rte_eth_dev *dev,
uint16_t rx_queue_id)
memset(&cfg, 0, sizeof(struct dpni_queue));
PMD_INIT_FUNC_TRACE();
+
+ total_nb_rx_desc -= dpaa2_q->nb_desc;
+
if (dpaa2_q->cgid != 0xff) {
options = DPNI_QUEUE_OPT_CLEAR_CGID;
cfg.cgid = dpaa2_q->cgid;
--
2.17.1
