[dpdk-dev] [PATCH v5 2/3] net/bnxt: support Rx/Tx burst mode info

[Ajit Khaparde <ajit.khaparde@broadcom.com>]

From: Lance Richardson <lance.richardson@broadcom.com>

Retrieve burst mode options according to the selected Rx/Tx burst
function name.
Update 20.08 release notes with this information.

Signed-off-by: Lance Richardson <lance.richardson@broadcom.com>
Reviewed-by: Somnath Kotur <somnath.kotur@broadcom.com>
Reviewed-by: Ajit Khaparde <ajit.khaparde@broadcom.com>
---
 doc/guides/nics/features/bnxt.ini      |  1 +
 doc/guides/rel_notes/release_20_08.rst |  1 +
 drivers/net/bnxt/bnxt_ethdev.c         | 46 ++++++++++++++++++++++++++
 3 files changed, 48 insertions(+)

diff --git a/doc/guides/nics/features/bnxt.ini b/doc/guides/nics/features/bnxt.ini
index 37a99e336..f1f300c8b 100644
--- a/doc/guides/nics/features/bnxt.ini
+++ b/doc/guides/nics/features/bnxt.ini
@@ -9,6 +9,7 @@ Link status          = Y
 Link status event    = Y
 Rx interrupt         = Y
 Queue start/stop     = Y
+Burst mode info      = Y
 MTU update           = Y
 Jumbo frame          = Y
 Scattered Rx         = Y
diff --git a/doc/guides/rel_notes/release_20_08.rst b/doc/guides/rel_notes/release_20_08.rst
index 02fa2235a..e84258a13 100644
--- a/doc/guides/rel_notes/release_20_08.rst
+++ b/doc/guides/rel_notes/release_20_08.rst
@@ -101,6 +101,7 @@ New Features
   * Added support for new resource manager API.
   * Added support for VXLAN encap/decap.
   * Added support for rte_flow_query for COUNT action.
+  * Added support for rx_burst_mode_get and tx_burst_mode_get.
 
 * **Added support for BPF_ABS/BPF_IND load instructions.**
 
diff --git a/drivers/net/bnxt/bnxt_ethdev.c b/drivers/net/bnxt/bnxt_ethdev.c
index e447b74dd..1dc85e6df 100644
--- a/drivers/net/bnxt/bnxt_ethdev.c
+++ b/drivers/net/bnxt/bnxt_ethdev.c
@@ -2668,6 +2668,50 @@ bnxt_txq_info_get_op(struct rte_eth_dev *dev, uint16_t queue_id,
 	qinfo->conf.tx_deferred_start = txq->tx_deferred_start;
 }
 
+static int
+bnxt_rx_burst_mode_get(struct rte_eth_dev *dev, __rte_unused uint16_t queue_id,
+		       struct rte_eth_burst_mode *mode)
+{
+	eth_rx_burst_t pkt_burst = dev->rx_pkt_burst;
+
+	if (pkt_burst == bnxt_recv_pkts) {
+		snprintf(mode->info, sizeof(mode->info), "%s",
+			 "Scalar");
+		return 0;
+	}
+#ifdef RTE_ARCH_X86
+	if (pkt_burst == bnxt_recv_pkts_vec) {
+		snprintf(mode->info, sizeof(mode->info), "%s",
+			 "Vector SSE");
+		return 0;
+	}
+#endif
+
+	return -EINVAL;
+}
+
+static int
+bnxt_tx_burst_mode_get(struct rte_eth_dev *dev, __rte_unused uint16_t queue_id,
+		       struct rte_eth_burst_mode *mode)
+{
+	eth_tx_burst_t pkt_burst = dev->tx_pkt_burst;
+
+	if (pkt_burst == bnxt_xmit_pkts) {
+		snprintf(mode->info, sizeof(mode->info), "%s",
+			 "Scalar");
+		return 0;
+	}
+#ifdef RTE_ARCH_X86
+	if (pkt_burst == bnxt_xmit_pkts_vec) {
+		snprintf(mode->info, sizeof(mode->info), "%s",
+			 "Vector SSE");
+		return 0;
+	}
+#endif
+
+	return -EINVAL;
+}
+
 int bnxt_mtu_set_op(struct rte_eth_dev *eth_dev, uint16_t new_mtu)
 {
 	struct bnxt *bp = eth_dev->data->dev_private;
@@ -4244,6 +4288,8 @@ static const struct eth_dev_ops bnxt_dev_ops = {
 	.set_mc_addr_list = bnxt_dev_set_mc_addr_list_op,
 	.rxq_info_get = bnxt_rxq_info_get_op,
 	.txq_info_get = bnxt_txq_info_get_op,
+	.rx_burst_mode_get = bnxt_rx_burst_mode_get,
+	.tx_burst_mode_get = bnxt_tx_burst_mode_get,
 	.dev_led_on = bnxt_dev_led_on_op,
 	.dev_led_off = bnxt_dev_led_off_op,
 	.xstats_get_by_id = bnxt_dev_xstats_get_by_id_op,
-- 
2.21.1 (Apple Git-122.3)