[PATCH v4 1/1] app/testpmd: add valid check to verify multi mempool feature

[Hanumanth Pothula <hpothula@marvell.com>]

Validate ethdev parameter 'max_rx_mempools' to know whether
device supports multi-mempool feature or not.

Bugzilla ID: 1128

Signed-off-by: Hanumanth Pothula <hpothula@marvell.com>
v4:
 - updated if condition.
v3:
 - Simplified conditional check.
 - Corrected spell, whether.
v2:
 - Rebased on tip of next-net/main.
---
 app/test-pmd/testpmd.c | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/app/test-pmd/testpmd.c b/app/test-pmd/testpmd.c
index 4e25f77c6a..c1b4dbd716 100644
--- a/app/test-pmd/testpmd.c
+++ b/app/test-pmd/testpmd.c
@@ -2655,17 +2655,23 @@ rx_queue_setup(uint16_t port_id, uint16_t rx_queue_id,
 	union rte_eth_rxseg rx_useg[MAX_SEGS_BUFFER_SPLIT] = {};
 	struct rte_mempool *rx_mempool[MAX_MEMPOOL] = {};
 	struct rte_mempool *mpx;
+	struct rte_eth_dev_info dev_info;
 	unsigned int i, mp_n;
 	uint32_t prev_hdrs = 0;
 	int ret;
 
+	ret = rte_eth_dev_info_get(port_id, &dev_info);
+	if (ret != 0)
+		return ret;
+
 	/* Verify Rx queue configuration is single pool and segment or
 	 * multiple pool/segment.
+	 * @see rte_eth_dev_info::max_rx_mempools
 	 * @see rte_eth_rxconf::rx_mempools
 	 * @see rte_eth_rxconf::rx_seg
 	 */
-	if (!(mbuf_data_size_n > 1) && !(rx_pkt_nb_segs > 1 ||
-	    ((rx_conf->offloads & RTE_ETH_RX_OFFLOAD_BUFFER_SPLIT) != 0))) {
+	if ((dev_info.max_rx_mempools == 0) && (rx_pkt_nb_segs <= 1 ||
+	    ((rx_conf->offloads & RTE_ETH_RX_OFFLOAD_BUFFER_SPLIT) == 0))) {
 		/* Single pool/segment configuration */
 		rx_conf->rx_seg = NULL;
 		rx_conf->rx_nseg = 0;
-- 
2.25.1