[PATCH v2 23/26] net/hinic3: add Tx burst mode get

[Jiacheng Ye]

Expose the active Tx burst mode and its offloads via the
tx_burst_mode_get callback so applications can query how each queue
sends packets. The string encodes whether the compact CQE path is in
use and which offloads are enabled.

Signed-off-by: Jiacheng Ye <yejiacheng4 at h-partners.com>
---
 doc/guides/nics/features/hinic3.ini |  1 +
 drivers/net/hinic3/hinic3_ethdev.c  |  2 ++
 drivers/net/hinic3/hinic3_tx.c      | 32 +++++++++++++++++++++++++++++
 drivers/net/hinic3/hinic3_tx.h      |  2 ++
 4 files changed, 37 insertions(+)

diff --git a/doc/guides/nics/features/hinic3.ini b/doc/guides/nics/features/hinic3.ini
index 14f152a604..7fa7921fd3 100644
--- a/doc/guides/nics/features/hinic3.ini
+++ b/doc/guides/nics/features/hinic3.ini
@@ -9,6 +9,7 @@ Link speed configuration = Y
 Rx interrupt         = Y
 Queue start/stop     = Y
 Runtime queue setup  = Y
+Burst mode info      = Y
 MTU update           = Y
 Scattered Rx         = Y
 TSO                  = Y
diff --git a/drivers/net/hinic3/hinic3_ethdev.c b/drivers/net/hinic3/hinic3_ethdev.c
index ea2a5c55ca..3095b5a571 100644
--- a/drivers/net/hinic3/hinic3_ethdev.c
+++ b/drivers/net/hinic3/hinic3_ethdev.c
@@ -3692,6 +3692,7 @@ static const struct eth_dev_ops hinic3_pmd_ops = {
 	.mac_addr_add                  = hinic3_mac_addr_add,
 	.set_mc_addr_list              = hinic3_set_mc_addr_list,
 	.flow_ops_get                  = hinic3_dev_filter_ctrl,
+	.tx_burst_mode_get             = hinic3_tx_burst_mode_get,
 	.fec_get_capability            = hinic3_fec_capability_get,
 	.fec_get                       = hinic3_fec_get,
 	.fec_set                       = hinic3_fec_set,
@@ -3746,6 +3747,7 @@ static const struct eth_dev_ops hinic3_pmd_vf_ops = {
 	.set_mc_addr_list              = hinic3_set_mc_addr_list,
 	.flow_ops_get                  = hinic3_dev_filter_ctrl,
 	.eth_dev_priv_dump             = hinic3_eth_dev_priv_dump,
+	.tx_burst_mode_get             = hinic3_tx_burst_mode_get,
 };
 
 /**
diff --git a/drivers/net/hinic3/hinic3_tx.c b/drivers/net/hinic3/hinic3_tx.c
index b52be4c180..7ffa680123 100644
--- a/drivers/net/hinic3/hinic3_tx.c
+++ b/drivers/net/hinic3/hinic3_tx.c
@@ -1313,6 +1313,38 @@ hinic3_flush_txqs(struct hinic3_nic_dev *nic_dev)
 	}
 }
 
+int
+hinic3_tx_burst_mode_get(struct rte_eth_dev *dev,
+				uint16_t tx_queue_id,
+				struct rte_eth_burst_mode *mode)
+{
+	uint16_t tx_offloads = dev->data->dev_conf.txmode.offloads;
+	struct hinic3_nic_dev *nic_dev;
+	struct hinic3_txq *txq = NULL;
+
+	nic_dev = HINIC3_ETH_DEV_TO_PRIVATE_NIC_DEV(dev);
+	txq = nic_dev->txqs[tx_queue_id];
+	if (!txq)
+		return -EINVAL;
+
+	snprintf(mode->info, sizeof(mode->info),
+		"%s%s%s%s%s%s",
+		(nic_dev->config.rx_cqe_compact_en == HINIC3_RX_CQE_COMPACT_EN) ?
+			"compact CQE" : "scalar",
+		(tx_offloads & RTE_ETH_TX_OFFLOAD_MULTI_SEGS) ? " + MULTI" : "",
+		(tx_offloads & (RTE_ETH_TX_OFFLOAD_TCP_TSO |
+				RTE_ETH_TX_OFFLOAD_VXLAN_TNL_TSO)) ? " + TSO" : "",
+		(tx_offloads & (RTE_ETH_TX_OFFLOAD_IPV4_CKSUM |
+				RTE_ETH_TX_OFFLOAD_UDP_CKSUM |
+				RTE_ETH_TX_OFFLOAD_TCP_CKSUM |
+				RTE_ETH_TX_OFFLOAD_SCTP_CKSUM |
+				RTE_ETH_TX_OFFLOAD_OUTER_IPV4_CKSUM)) ? " + CKSUM" : "",
+		(tx_offloads & RTE_ETH_TX_OFFLOAD_VLAN_INSERT) ? " + VLAN" : "",
+		(tx_offloads & RTE_ETH_TX_OFFLOAD_QINQ_INSERT) ? " + QINQ" : "");
+
+	return 0;
+}
+
 /**
  * It is responsible for sending data packets.
  *
diff --git a/drivers/net/hinic3/hinic3_tx.h b/drivers/net/hinic3/hinic3_tx.h
index b216a39ecd..af702b7ec5 100644
--- a/drivers/net/hinic3/hinic3_tx.h
+++ b/drivers/net/hinic3/hinic3_tx.h
@@ -396,4 +396,6 @@ uint16_t hinic3_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts, uint16_t nb
 int hinic3_stop_sq(struct hinic3_txq *txq);
 int hinic3_start_all_sqs(struct rte_eth_dev *eth_dev);
 int hinic3_tx_done_cleanup(void *txq, uint32_t free_cnt);
+int hinic3_tx_burst_mode_get(struct rte_eth_dev *dev, uint16_t tx_queue_id,
+			     struct rte_eth_burst_mode *mode);
 #endif /**< _HINIC3_TX_H_ */
-- 
2.33.0