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* [PATCH v2] net/ixgbe: support Rx/Tx burst mode info
@ 2025-04-16 17:11 Roger Melton
  2025-04-16 17:23 ` [PATCH v3] " Roger Melton
  0 siblings, 1 reply; 2+ messages in thread
From: Roger Melton @ 2025-04-16 17:11 UTC (permalink / raw)
  To: vladimir.medvedkin, anatoly.burakov; +Cc: dev, Roger Melton

Return burst mode according to the selected Rx/Tx burst
function name.
Update 25.07 release notes with this information.

Signed-off-by: Roger Melton <rmelton@cisco.com>
---
 doc/guides/rel_notes/release_25_07.rst        |  3 +
 drivers/net/intel/ixgbe/ixgbe_ethdev.c        |  4 ++
 drivers/net/intel/ixgbe/ixgbe_ethdev.h        |  4 ++
 drivers/net/intel/ixgbe/ixgbe_rxtx.c          | 70 +++++++++++++++++++
 drivers/net/intel/ixgbe/ixgbe_rxtx.h          |  4 ++
 .../net/intel/ixgbe/ixgbe_vf_representor.c    |  4 +-
 6 files changed, 87 insertions(+), 2 deletions(-)

diff --git a/doc/guides/rel_notes/release_25_07.rst b/doc/guides/rel_notes/release_25_07.rst
index 093b85d206..30bc9622ee 100644
--- a/doc/guides/rel_notes/release_25_07.rst
+++ b/doc/guides/rel_notes/release_25_07.rst
@@ -55,6 +55,9 @@ New Features
      Also, make sure to start the actual text at the margin.
      =======================================================
 
+* **Updated Intel ixgbe driver.**
+
+  * Added support for rx_burst_mode_get and tx_burst_mode_get.
 
 Removed Items
 -------------
diff --git a/drivers/net/intel/ixgbe/ixgbe_ethdev.c b/drivers/net/intel/ixgbe/ixgbe_ethdev.c
index 0fa4898aba..f1fd271a0a 100644
--- a/drivers/net/intel/ixgbe/ixgbe_ethdev.c
+++ b/drivers/net/intel/ixgbe/ixgbe_ethdev.c
@@ -532,6 +532,8 @@ static const struct eth_dev_ops ixgbe_eth_dev_ops = {
 	.rx_queue_release     = ixgbe_dev_rx_queue_release,
 	.tx_queue_setup       = ixgbe_dev_tx_queue_setup,
 	.tx_queue_release     = ixgbe_dev_tx_queue_release,
+	.rx_burst_mode_get    = ixgbe_rx_burst_mode_get,
+	.tx_burst_mode_get    = ixgbe_tx_burst_mode_get,
 	.dev_led_on           = ixgbe_dev_led_on,
 	.dev_led_off          = ixgbe_dev_led_off,
 	.flow_ctrl_get        = ixgbe_flow_ctrl_get,
@@ -605,6 +607,8 @@ static const struct eth_dev_ops ixgbevf_eth_dev_ops = {
 	.tx_queue_release     = ixgbe_dev_tx_queue_release,
 	.rx_queue_intr_enable = ixgbevf_dev_rx_queue_intr_enable,
 	.rx_queue_intr_disable = ixgbevf_dev_rx_queue_intr_disable,
+	.rx_burst_mode_get    = ixgbe_rx_burst_mode_get,
+	.tx_burst_mode_get    = ixgbe_tx_burst_mode_get,
 	.mac_addr_add         = ixgbevf_add_mac_addr,
 	.mac_addr_remove      = ixgbevf_remove_mac_addr,
 	.set_mc_addr_list     = ixgbe_dev_set_mc_addr_list,
diff --git a/drivers/net/intel/ixgbe/ixgbe_ethdev.h b/drivers/net/intel/ixgbe/ixgbe_ethdev.h
index 8ad841ea2c..7b1cfe0ea4 100644
--- a/drivers/net/intel/ixgbe/ixgbe_ethdev.h
+++ b/drivers/net/intel/ixgbe/ixgbe_ethdev.h
@@ -523,6 +523,10 @@ struct ixgbe_vf_representor {
 
 int ixgbe_vf_representor_init(struct rte_eth_dev *ethdev, void *init_params);
 int ixgbe_vf_representor_uninit(struct rte_eth_dev *ethdev);
+uint16_t ixgbe_vf_representor_rx_burst(__rte_unused void *rx_queue,
+	__rte_unused struct rte_mbuf **rx_pkts, __rte_unused uint16_t nb_pkts);
+uint16_t ixgbe_vf_representor_tx_burst(__rte_unused void *tx_queue,
+	__rte_unused struct rte_mbuf **tx_pkts, __rte_unused uint16_t nb_pkts);
 
 #define IXGBE_DEV_FDIR_CONF(dev) \
 	(&((struct ixgbe_adapter *)(dev)->data->dev_private)->fdir_conf)
diff --git a/drivers/net/intel/ixgbe/ixgbe_rxtx.c b/drivers/net/intel/ixgbe/ixgbe_rxtx.c
index 77773d56ef..209dbe6685 100644
--- a/drivers/net/intel/ixgbe/ixgbe_rxtx.c
+++ b/drivers/net/intel/ixgbe/ixgbe_rxtx.c
@@ -2626,6 +2626,39 @@ static const struct ixgbe_txq_ops def_txq_ops = {
 	.reset = ixgbe_reset_tx_queue,
 };
 
+static const struct {
+	eth_tx_burst_t pkt_burst;
+	const char *info;
+} ixgbe_tx_burst_info[] = {
+	{	ixgbe_xmit_pkts, "Scalar"},
+	{	ixgbe_xmit_pkts_simple, "Scalar simple"},
+	{       ixgbe_vf_representor_tx_burst, "Scalar representor"},
+#ifdef RTE_ARCH_X86
+	{	ixgbe_xmit_pkts_vec, "Vector SSE"},
+#elif defined(RTE_ARCH_ARM)
+	{	ixgbe_xmit_pkts_vec, "Vector NEON"},
+#endif
+};
+
+int
+ixgbe_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;
+	size_t i;
+
+	for (i = 0; i < RTE_DIM(ixgbe_tx_burst_info); i++) {
+		if (pkt_burst == ixgbe_tx_burst_info[i].pkt_burst) {
+			snprintf(mode->info, sizeof(mode->info), "%s",
+				 ixgbe_tx_burst_info[i].info);
+			return 0;
+		}
+	}
+
+	return -EINVAL;
+}
+
 /* Takes an ethdev and a queue and sets up the tx function to be used based on
  * the queue parameters. Used in tx_queue_setup by primary process and then
  * in dev_init by secondary process when attaching to an existing ethdev.
@@ -4939,6 +4972,43 @@ ixgbe_set_ivar(struct rte_eth_dev *dev, u8 entry, u8 vector, s8 type)
 	}
 }
 
+static const struct {
+	eth_rx_burst_t pkt_burst;
+	const char *info;
+} ixgbe_rx_burst_info[] = {
+	{	ixgbe_recv_pkts, "Scalar"},
+	{	ixgbe_recv_pkts_bulk_alloc, "Scalar bulk allod"},
+	{	ixgbe_recv_pkts_lro_bulk_alloc, "Scalar LRO bulk alloc"},
+	{	ixgbe_recv_pkts_lro_single_alloc, "Scalar LRO single alloc"},
+	{       ixgbe_vf_representor_rx_burst, "Scalar representor"},
+#ifdef RTE_ARCH_X86
+	{	ixgbe_recv_pkts_vec, "Vector SSE"},
+	{	ixgbe_recv_scattered_pkts_vec, "Vector SSE scattered"},
+#elif defined(RTE_ARCH_ARM)
+	{	ixgbe_recv_pkts_vec, "Vector NEON"},
+	{	ixgbe_recv_scattered_pkts_vec, "Vector NEON scattered"},
+#endif
+};
+
+int
+ixgbe_rx_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->rx_pkt_burst;
+	size_t i;
+
+	for (i = 0; i < RTE_DIM(ixgbe_rx_burst_info); i++) {
+		if (pkt_burst == ixgbe_rx_burst_info[i].pkt_burst) {
+			snprintf(mode->info, sizeof(mode->info), "%s",
+				 ixgbe_rx_burst_info[i].info);
+			return 0;
+		}
+	}
+
+	return -EINVAL;
+}
+
 void __rte_cold
 ixgbe_set_rx_function(struct rte_eth_dev *dev)
 {
diff --git a/drivers/net/intel/ixgbe/ixgbe_rxtx.h b/drivers/net/intel/ixgbe/ixgbe_rxtx.h
index 54569c7ade..3487073d30 100644
--- a/drivers/net/intel/ixgbe/ixgbe_rxtx.h
+++ b/drivers/net/intel/ixgbe/ixgbe_rxtx.h
@@ -204,6 +204,8 @@ struct ixgbe_txq_ops {
  * in dev_init by secondary process when attaching to an existing ethdev.
  */
 void ixgbe_set_tx_function(struct rte_eth_dev *dev, struct ci_tx_queue *txq);
+int ixgbe_tx_burst_mode_get(struct rte_eth_dev *dev,
+		__rte_unused uint16_t queue_id, struct rte_eth_burst_mode *mode);
 
 /**
  * Sets the rx_pkt_burst callback in the ixgbe rte_eth_dev instance.
@@ -220,6 +222,8 @@ void ixgbe_set_tx_function(struct rte_eth_dev *dev, struct ci_tx_queue *txq);
  * @dev rte_eth_dev handle
  */
 void ixgbe_set_rx_function(struct rte_eth_dev *dev);
+int ixgbe_rx_burst_mode_get(struct rte_eth_dev *dev,
+		__rte_unused uint16_t queue_id, struct rte_eth_burst_mode *mode);
 
 int ixgbe_check_supported_loopback_mode(struct rte_eth_dev *dev);
 uint16_t ixgbe_recv_pkts_vec(void *rx_queue, struct rte_mbuf **rx_pkts,
diff --git a/drivers/net/intel/ixgbe/ixgbe_vf_representor.c b/drivers/net/intel/ixgbe/ixgbe_vf_representor.c
index bd528ff346..901d80e406 100644
--- a/drivers/net/intel/ixgbe/ixgbe_vf_representor.c
+++ b/drivers/net/intel/ixgbe/ixgbe_vf_representor.c
@@ -157,14 +157,14 @@ static const struct eth_dev_ops ixgbe_vf_representor_dev_ops = {
 	.mac_addr_set		= ixgbe_vf_representor_mac_addr_set,
 };
 
-static uint16_t
+uint16_t
 ixgbe_vf_representor_rx_burst(__rte_unused void *rx_queue,
 	__rte_unused struct rte_mbuf **rx_pkts, __rte_unused uint16_t nb_pkts)
 {
 	return 0;
 }
 
-static uint16_t
+uint16_t
 ixgbe_vf_representor_tx_burst(__rte_unused void *tx_queue,
 	__rte_unused struct rte_mbuf **tx_pkts, __rte_unused uint16_t nb_pkts)
 {
-- 
2.35.6


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