From: Jiawen Wu <jiawenwu@trustnetic.com>
Date: Thu, 21 Oct 2021 09:50:02 +0000 (+0800)
Subject: net/ngbe: support Rx/Tx burst mode info
X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=d148a87e69c58dceace141cca2dcb172c10b5900;p=dpdk.git

net/ngbe: support Rx/Tx burst mode info

Support to get Rx/Tx burst mode info.

Signed-off-by: Jiawen Wu <jiawenwu@trustnetic.com>
---

diff --git a/doc/guides/nics/features/ngbe.ini b/doc/guides/nics/features/ngbe.ini
index d23e7f084f..70bf91e6a1 100644
--- a/doc/guides/nics/features/ngbe.ini
+++ b/doc/guides/nics/features/ngbe.ini
@@ -8,6 +8,7 @@ Speed capabilities   = Y
 Link status          = Y
 Link status event    = Y
 Queue start/stop     = Y
+Burst mode info      = Y
 Scattered Rx         = Y
 TSO                  = Y
 L3 checksum offload  = Y
diff --git a/drivers/net/ngbe/ngbe_ethdev.c b/drivers/net/ngbe/ngbe_ethdev.c
index 6043bfd431..b12851d309 100644
--- a/drivers/net/ngbe/ngbe_ethdev.c
+++ b/drivers/net/ngbe/ngbe_ethdev.c
@@ -1196,6 +1196,8 @@ static const struct eth_dev_ops ngbe_eth_dev_ops = {
 	.rx_queue_release           = ngbe_dev_rx_queue_release,
 	.tx_queue_setup             = ngbe_dev_tx_queue_setup,
 	.tx_queue_release           = ngbe_dev_tx_queue_release,
+	.rx_burst_mode_get          = ngbe_rx_burst_mode_get,
+	.tx_burst_mode_get          = ngbe_tx_burst_mode_get,
 };
 
 RTE_PMD_REGISTER_PCI(net_ngbe, rte_ngbe_pmd);
diff --git a/drivers/net/ngbe/ngbe_ethdev.h b/drivers/net/ngbe/ngbe_ethdev.h
index 7b085f070f..286cb893d6 100644
--- a/drivers/net/ngbe/ngbe_ethdev.h
+++ b/drivers/net/ngbe/ngbe_ethdev.h
@@ -103,6 +103,13 @@ int ngbe_dev_tx_queue_start(struct rte_eth_dev *dev, uint16_t tx_queue_id);
 
 int ngbe_dev_tx_queue_stop(struct rte_eth_dev *dev, uint16_t tx_queue_id);
 
+int
+ngbe_rx_burst_mode_get(struct rte_eth_dev *dev, __rte_unused uint16_t queue_id,
+		      struct rte_eth_burst_mode *mode);
+int
+ngbe_tx_burst_mode_get(struct rte_eth_dev *dev, __rte_unused uint16_t queue_id,
+		      struct rte_eth_burst_mode *mode);
+
 uint16_t ngbe_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts,
 		uint16_t nb_pkts);
 
diff --git a/drivers/net/ngbe/ngbe_rxtx.c b/drivers/net/ngbe/ngbe_rxtx.c
index d1b825d0dc..5941e0a2d8 100644
--- a/drivers/net/ngbe/ngbe_rxtx.c
+++ b/drivers/net/ngbe/ngbe_rxtx.c
@@ -1689,6 +1689,34 @@ ngbe_set_tx_function(struct rte_eth_dev *dev, struct ngbe_tx_queue *txq)
 	}
 }
 
+static const struct {
+	eth_tx_burst_t pkt_burst;
+	const char *info;
+} ngbe_tx_burst_infos[] = {
+	{ ngbe_xmit_pkts_simple,   "Scalar Simple"},
+	{ ngbe_xmit_pkts,          "Scalar"},
+};
+
+int
+ngbe_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;
+	int ret = -EINVAL;
+	unsigned int i;
+
+	for (i = 0; i < RTE_DIM(ngbe_tx_burst_infos); ++i) {
+		if (pkt_burst == ngbe_tx_burst_infos[i].pkt_burst) {
+			snprintf(mode->info, sizeof(mode->info), "%s",
+				 ngbe_tx_burst_infos[i].info);
+			ret = 0;
+			break;
+		}
+	}
+
+	return ret;
+}
+
 uint64_t
 ngbe_get_tx_port_offloads(struct rte_eth_dev *dev)
 {
@@ -2239,6 +2267,36 @@ ngbe_set_rx_function(struct rte_eth_dev *dev)
 	}
 }
 
+static const struct {
+	eth_rx_burst_t pkt_burst;
+	const char *info;
+} ngbe_rx_burst_infos[] = {
+	{ ngbe_recv_pkts_sc_single_alloc,    "Scalar Scattered"},
+	{ ngbe_recv_pkts_sc_bulk_alloc,      "Scalar Scattered Bulk Alloc"},
+	{ ngbe_recv_pkts_bulk_alloc,         "Scalar Bulk Alloc"},
+	{ ngbe_recv_pkts,                    "Scalar"},
+};
+
+int
+ngbe_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;
+	int ret = -EINVAL;
+	unsigned int i;
+
+	for (i = 0; i < RTE_DIM(ngbe_rx_burst_infos); ++i) {
+		if (pkt_burst == ngbe_rx_burst_infos[i].pkt_burst) {
+			snprintf(mode->info, sizeof(mode->info), "%s",
+				 ngbe_rx_burst_infos[i].info);
+			ret = 0;
+			break;
+		}
+	}
+
+	return ret;
+}
+
 /*
  * Initializes Receive Unit.
  */