net/octeontx2: add Rx/Tx burst mode info

Retrieve burst mode information according to the selected Rx/Tx mode and
offloads.

Signed-off-by: Sunil Kumar Kori <skori@marvell.com>
Acked-by: Jerin Jacob <jerinj@marvell.com>

3 files changed, 105 insertions, 0 deletions

diff --git a/drivers/net/octeontx2/otx2_ethdev.c b/drivers/net/octeontx2/otx2_ethdev.c
index be6ff71..c3366de 100644
--- a/drivers/net/octeontx2/otx2_ethdev.c
+++ b/drivers/net/octeontx2/otx2_ethdev.c
@@ -2009,6 +2009,8 @@ static const struct eth_dev_ops otx2_eth_dev_ops = {
 	.xstats_get_names_by_id   = otx2_nix_xstats_get_names_by_id,
 	.rxq_info_get             = otx2_nix_rxq_info_get,
 	.txq_info_get             = otx2_nix_txq_info_get,
+	.rx_burst_mode_get        = otx2_rx_burst_mode_get,
+	.tx_burst_mode_get        = otx2_tx_burst_mode_get,
 	.rx_queue_count           = otx2_nix_rx_queue_count,
 	.rx_descriptor_done       = otx2_nix_rx_descriptor_done,
 	.rx_descriptor_status     = otx2_nix_rx_descriptor_status,
diff --git a/drivers/net/octeontx2/otx2_ethdev.h b/drivers/net/octeontx2/otx2_ethdev.h
index ba66dbb..f366626 100644
--- a/drivers/net/octeontx2/otx2_ethdev.h
+++ b/drivers/net/octeontx2/otx2_ethdev.h
@@ -390,6 +390,10 @@ void otx2_nix_rxq_info_get(struct rte_eth_dev *eth_dev, uint16_t queue_id,
 			   struct rte_eth_rxq_info *qinfo);
 void otx2_nix_txq_info_get(struct rte_eth_dev *eth_dev, uint16_t queue_id,
 			   struct rte_eth_txq_info *qinfo);
+int otx2_rx_burst_mode_get(struct rte_eth_dev *dev, uint16_t queue_id,
+			   struct rte_eth_burst_mode *mode);
+int otx2_tx_burst_mode_get(struct rte_eth_dev *dev, uint16_t queue_id,
+			   struct rte_eth_burst_mode *mode);
 uint32_t otx2_nix_rx_queue_count(struct rte_eth_dev *eth_dev, uint16_t qidx);
 int otx2_nix_tx_done_cleanup(void *txq, uint32_t free_cnt);
 int otx2_nix_rx_descriptor_done(void *rxq, uint16_t offset);
diff --git a/drivers/net/octeontx2/otx2_ethdev_ops.c b/drivers/net/octeontx2/otx2_ethdev_ops.c
index d1e77c3..d715f40 100644
--- a/drivers/net/octeontx2/otx2_ethdev_ops.c
+++ b/drivers/net/octeontx2/otx2_ethdev_ops.c
@@ -2,6 +2,7 @@
  * Copyright(C) 2019 Marvell International Ltd.
  */
 
+#include <rte_ethdev.h>
 #include <rte_mbuf_pool_ops.h>
 
 #include "otx2_ethdev.h"
@@ -225,6 +226,104 @@ otx2_nix_txq_info_get(struct rte_eth_dev *eth_dev, uint16_t queue_id,
 	qinfo->conf.tx_deferred_start = 0;
 }
 
+int
+otx2_rx_burst_mode_get(struct rte_eth_dev *eth_dev,
+		       __rte_unused uint16_t queue_id,
+		       struct rte_eth_burst_mode *mode)
+{
+	ssize_t bytes = 0, str_size = RTE_ETH_BURST_MODE_INFO_SIZE, rc;
+	struct otx2_eth_dev *dev = otx2_eth_pmd_priv(eth_dev);
+	const struct burst_info {
+		uint16_t flags;
+		const char *output;
+	} rx_offload_map[] = {
+			{NIX_RX_OFFLOAD_RSS_F, "RSS,"},
+			{NIX_RX_OFFLOAD_PTYPE_F, " Ptype,"},
+			{NIX_RX_OFFLOAD_CHECKSUM_F, " Checksum,"},
+			{NIX_RX_OFFLOAD_VLAN_STRIP_F, " VLAN Strip,"},
+			{NIX_RX_OFFLOAD_MARK_UPDATE_F, " Mark Update,"},
+			{NIX_RX_OFFLOAD_TSTAMP_F, " Timestamp,"},
+			{NIX_RX_MULTI_SEG_F, " Scattered,"}
+	};
+	static const char *const burst_mode[] = {"Vector Neon, Rx Offloads:",
+						 "Scalar, Rx Offloads:"
+	};
+	uint32_t i;
+
+	/* Update burst mode info */
+	rc = rte_strscpy(mode->info + bytes, burst_mode[dev->scalar_ena],
+			 str_size - bytes);
+	if (rc < 0)
+		goto done;
+
+	bytes += rc;
+
+	/* Update Rx offload info */
+	for (i = 0; i < RTE_DIM(rx_offload_map); i++) {
+		if (dev->rx_offload_flags & rx_offload_map[i].flags) {
+			rc = rte_strscpy(mode->info + bytes,
+					 rx_offload_map[i].output,
+					 str_size - bytes);
+			if (rc < 0)
+				goto done;
+
+			bytes += rc;
+		}
+	}
+
+done:
+	return 0;
+}
+
+int
+otx2_tx_burst_mode_get(struct rte_eth_dev *eth_dev,
+		       __rte_unused uint16_t queue_id,
+		       struct rte_eth_burst_mode *mode)
+{
+	ssize_t bytes = 0, str_size = RTE_ETH_BURST_MODE_INFO_SIZE, rc;
+	struct otx2_eth_dev *dev = otx2_eth_pmd_priv(eth_dev);
+	const struct burst_info {
+		uint16_t flags;
+		const char *output;
+	} tx_offload_map[] = {
+			{NIX_TX_OFFLOAD_L3_L4_CSUM_F, " Inner L3/L4 csum,"},
+			{NIX_TX_OFFLOAD_OL3_OL4_CSUM_F, " Outer L3/L4 csum,"},
+			{NIX_TX_OFFLOAD_VLAN_QINQ_F, " VLAN Insertion,"},
+			{NIX_TX_OFFLOAD_MBUF_NOFF_F, " MBUF free disable,"},
+			{NIX_TX_OFFLOAD_TSTAMP_F, " Timestamp,"},
+			{NIX_TX_OFFLOAD_TSO_F, " TSO,"},
+			{NIX_TX_MULTI_SEG_F, " Scattered,"}
+	};
+	static const char *const burst_mode[] = {"Vector Neon, Tx Offloads:",
+						 "Scalar, Tx Offloads:"
+	};
+	uint32_t i;
+
+	/* Update burst mode info */
+	rc = rte_strscpy(mode->info + bytes, burst_mode[dev->scalar_ena],
+			 str_size - bytes);
+	if (rc < 0)
+		goto done;
+
+	bytes += rc;
+
+	/* Update Tx offload info */
+	for (i = 0; i < RTE_DIM(tx_offload_map); i++) {
+		if (dev->tx_offload_flags & tx_offload_map[i].flags) {
+			rc = rte_strscpy(mode->info + bytes,
+					 tx_offload_map[i].output,
+					 str_size - bytes);
+			if (rc < 0)
+				goto done;
+
+			bytes += rc;
+		}
+	}
+
+done:
+	return 0;
+}
+
 static void
 nix_rx_head_tail_get(struct otx2_eth_dev *dev,
 		     uint32_t *head, uint32_t *tail, uint16_t queue_idx)