[dpdk-dev] [PATCH v5 12/24] net/ngbe: add info get operation

Jiawen Wu jiawenwu at trustnetic.com
Wed Jun 2 11:40:56 CEST 2021


Add device information get operation.

Signed-off-by: Jiawen Wu <jiawenwu at trustnetic.com>
---
 doc/guides/nics/features/ngbe.ini |  1 +
 drivers/net/ngbe/meson.build      |  1 +
 drivers/net/ngbe/ngbe_ethdev.c    | 86 +++++++++++++++++++++++++++++++
 drivers/net/ngbe/ngbe_ethdev.h    | 26 ++++++++++
 drivers/net/ngbe/ngbe_rxtx.c      | 67 ++++++++++++++++++++++++
 drivers/net/ngbe/ngbe_rxtx.h      | 15 ++++++
 6 files changed, 196 insertions(+)
 create mode 100644 drivers/net/ngbe/ngbe_rxtx.c
 create mode 100644 drivers/net/ngbe/ngbe_rxtx.h

diff --git a/doc/guides/nics/features/ngbe.ini b/doc/guides/nics/features/ngbe.ini
index 977286ac04..ca03a255de 100644
--- a/doc/guides/nics/features/ngbe.ini
+++ b/doc/guides/nics/features/ngbe.ini
@@ -4,6 +4,7 @@
 ; Refer to default.ini for the full list of available PMD features.
 ;
 [Features]
+Speed capabilities   = Y
 Multiprocess aware   = Y
 Linux                = Y
 ARMv8                = Y
diff --git a/drivers/net/ngbe/meson.build b/drivers/net/ngbe/meson.build
index 81173fa7f0..9e75b82f1c 100644
--- a/drivers/net/ngbe/meson.build
+++ b/drivers/net/ngbe/meson.build
@@ -12,6 +12,7 @@ objs = [base_objs]
 
 sources = files(
 	'ngbe_ethdev.c',
+	'ngbe_rxtx.c',
 )
 
 includes += include_directories('base')
diff --git a/drivers/net/ngbe/ngbe_ethdev.c b/drivers/net/ngbe/ngbe_ethdev.c
index e9ddbe9753..07df677b64 100644
--- a/drivers/net/ngbe/ngbe_ethdev.c
+++ b/drivers/net/ngbe/ngbe_ethdev.c
@@ -9,6 +9,7 @@
 #include "ngbe_logs.h"
 #include "base/ngbe.h"
 #include "ngbe_ethdev.h"
+#include "ngbe_rxtx.h"
 
 static int ngbe_dev_close(struct rte_eth_dev *dev);
 
@@ -31,6 +32,22 @@ static const struct rte_pci_id pci_id_ngbe_map[] = {
 	{ .vendor_id = 0, /* sentinel */ },
 };
 
+static const struct rte_eth_desc_lim rx_desc_lim = {
+	.nb_max = NGBE_RING_DESC_MAX,
+	.nb_min = NGBE_RING_DESC_MIN,
+	.nb_align = NGBE_RXD_ALIGN,
+};
+
+static const struct rte_eth_desc_lim tx_desc_lim = {
+	.nb_max = NGBE_RING_DESC_MAX,
+	.nb_min = NGBE_RING_DESC_MIN,
+	.nb_align = NGBE_TXD_ALIGN,
+	.nb_seg_max = NGBE_TX_MAX_SEG,
+	.nb_mtu_seg_max = NGBE_TX_MAX_SEG,
+};
+
+static const struct eth_dev_ops ngbe_eth_dev_ops;
+
 /*
  * Ensure that all locks are released before first NVM or PHY access
  */
@@ -64,6 +81,8 @@ eth_ngbe_dev_init(struct rte_eth_dev *eth_dev, void *init_params __rte_unused)
 
 	PMD_INIT_FUNC_TRACE();
 
+	eth_dev->dev_ops = &ngbe_eth_dev_ops;
+
 	if (rte_eal_process_type() != RTE_PROC_PRIMARY)
 		return 0;
 
@@ -206,6 +225,73 @@ ngbe_dev_close(struct rte_eth_dev *dev)
 	return 0;
 }
 
+static int
+ngbe_dev_info_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info)
+{
+	struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
+	struct ngbe_hw *hw = NGBE_DEV_HW(dev);
+
+	dev_info->max_rx_queues = (uint16_t)hw->mac.max_rx_queues;
+	dev_info->max_tx_queues = (uint16_t)hw->mac.max_tx_queues;
+	dev_info->min_rx_bufsize = 1024;
+	dev_info->max_rx_pktlen = 15872;
+	dev_info->max_mac_addrs = hw->mac.num_rar_entries;
+	dev_info->max_hash_mac_addrs = NGBE_VMDQ_NUM_UC_MAC;
+	dev_info->max_vfs = pci_dev->max_vfs;
+	dev_info->max_vmdq_pools = ETH_64_POOLS;
+	dev_info->vmdq_queue_num = dev_info->max_rx_queues;
+	dev_info->rx_queue_offload_capa = ngbe_get_rx_queue_offloads(dev);
+	dev_info->rx_offload_capa = (ngbe_get_rx_port_offloads(dev) |
+				     dev_info->rx_queue_offload_capa);
+	dev_info->tx_queue_offload_capa = 0;
+	dev_info->tx_offload_capa = ngbe_get_tx_port_offloads(dev);
+
+	dev_info->default_rxconf = (struct rte_eth_rxconf) {
+		.rx_thresh = {
+			.pthresh = NGBE_DEFAULT_RX_PTHRESH,
+			.hthresh = NGBE_DEFAULT_RX_HTHRESH,
+			.wthresh = NGBE_DEFAULT_RX_WTHRESH,
+		},
+		.rx_free_thresh = NGBE_DEFAULT_RX_FREE_THRESH,
+		.rx_drop_en = 0,
+		.offloads = 0,
+	};
+
+	dev_info->default_txconf = (struct rte_eth_txconf) {
+		.tx_thresh = {
+			.pthresh = NGBE_DEFAULT_TX_PTHRESH,
+			.hthresh = NGBE_DEFAULT_TX_HTHRESH,
+			.wthresh = NGBE_DEFAULT_TX_WTHRESH,
+		},
+		.tx_free_thresh = NGBE_DEFAULT_TX_FREE_THRESH,
+		.offloads = 0,
+	};
+
+	dev_info->rx_desc_lim = rx_desc_lim;
+	dev_info->tx_desc_lim = tx_desc_lim;
+
+	dev_info->hash_key_size = NGBE_HKEY_MAX_INDEX * sizeof(uint32_t);
+	dev_info->reta_size = ETH_RSS_RETA_SIZE_128;
+	dev_info->flow_type_rss_offloads = NGBE_RSS_OFFLOAD_ALL;
+
+	dev_info->speed_capa = ETH_LINK_SPEED_1G | ETH_LINK_SPEED_10G;
+	dev_info->speed_capa |= ETH_LINK_SPEED_100M;
+
+	/* Driver-preferred Rx/Tx parameters */
+	dev_info->default_rxportconf.burst_size = 32;
+	dev_info->default_txportconf.burst_size = 32;
+	dev_info->default_rxportconf.nb_queues = 1;
+	dev_info->default_txportconf.nb_queues = 1;
+	dev_info->default_rxportconf.ring_size = 256;
+	dev_info->default_txportconf.ring_size = 256;
+
+	return 0;
+}
+
+static const struct eth_dev_ops ngbe_eth_dev_ops = {
+	.dev_infos_get              = ngbe_dev_info_get,
+};
+
 RTE_PMD_REGISTER_PCI(net_ngbe, rte_ngbe_pmd);
 RTE_PMD_REGISTER_PCI_TABLE(net_ngbe, pci_id_ngbe_map);
 RTE_PMD_REGISTER_KMOD_DEP(net_ngbe, "* igb_uio | uio_pci_generic | vfio-pci");
diff --git a/drivers/net/ngbe/ngbe_ethdev.h b/drivers/net/ngbe/ngbe_ethdev.h
index 5917ff02aa..b4e2000dd3 100644
--- a/drivers/net/ngbe/ngbe_ethdev.h
+++ b/drivers/net/ngbe/ngbe_ethdev.h
@@ -6,6 +6,19 @@
 #ifndef _NGBE_ETHDEV_H_
 #define _NGBE_ETHDEV_H_
 
+#define NGBE_HKEY_MAX_INDEX 10
+
+#define NGBE_RSS_OFFLOAD_ALL ( \
+	ETH_RSS_IPV4 | \
+	ETH_RSS_NONFRAG_IPV4_TCP | \
+	ETH_RSS_NONFRAG_IPV4_UDP | \
+	ETH_RSS_IPV6 | \
+	ETH_RSS_NONFRAG_IPV6_TCP | \
+	ETH_RSS_NONFRAG_IPV6_UDP | \
+	ETH_RSS_IPV6_EX | \
+	ETH_RSS_IPV6_TCP_EX | \
+	ETH_RSS_IPV6_UDP_EX)
+
 /*
  * Structure to store private data for each driver instance (for each port).
  */
@@ -21,4 +34,17 @@ struct ngbe_adapter {
 
 #define NGBE_VMDQ_NUM_UC_MAC         4096 /* Maximum nb. of UC MAC addr. */
 
+/*
+ *  Default values for RX/TX configuration
+ */
+#define NGBE_DEFAULT_RX_FREE_THRESH  32
+#define NGBE_DEFAULT_RX_PTHRESH      8
+#define NGBE_DEFAULT_RX_HTHRESH      8
+#define NGBE_DEFAULT_RX_WTHRESH      0
+
+#define NGBE_DEFAULT_TX_FREE_THRESH  32
+#define NGBE_DEFAULT_TX_PTHRESH      32
+#define NGBE_DEFAULT_TX_HTHRESH      0
+#define NGBE_DEFAULT_TX_WTHRESH      0
+
 #endif /* _NGBE_ETHDEV_H_ */
diff --git a/drivers/net/ngbe/ngbe_rxtx.c b/drivers/net/ngbe/ngbe_rxtx.c
new file mode 100644
index 0000000000..ae24367b18
--- /dev/null
+++ b/drivers/net/ngbe/ngbe_rxtx.c
@@ -0,0 +1,67 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2018-2020 Beijing WangXun Technology Co., Ltd.
+ * Copyright(c) 2010-2017 Intel Corporation
+ */
+
+#include <stdint.h>
+#include <rte_ethdev.h>
+
+#include "base/ngbe.h"
+#include "ngbe_ethdev.h"
+#include "ngbe_rxtx.h"
+
+uint64_t
+ngbe_get_tx_port_offloads(struct rte_eth_dev *dev)
+{
+	uint64_t tx_offload_capa;
+	struct ngbe_hw *hw = NGBE_DEV_HW(dev);
+
+	tx_offload_capa =
+		DEV_TX_OFFLOAD_VLAN_INSERT |
+		DEV_TX_OFFLOAD_IPV4_CKSUM  |
+		DEV_TX_OFFLOAD_UDP_CKSUM   |
+		DEV_TX_OFFLOAD_TCP_CKSUM   |
+		DEV_TX_OFFLOAD_SCTP_CKSUM  |
+		DEV_TX_OFFLOAD_TCP_TSO     |
+		DEV_TX_OFFLOAD_UDP_TSO	   |
+		DEV_TX_OFFLOAD_UDP_TNL_TSO	|
+		DEV_TX_OFFLOAD_IP_TNL_TSO	|
+		DEV_TX_OFFLOAD_IPIP_TNL_TSO	|
+		DEV_TX_OFFLOAD_MULTI_SEGS;
+
+	if (hw->is_pf)
+		tx_offload_capa |= DEV_TX_OFFLOAD_QINQ_INSERT;
+
+	tx_offload_capa |= DEV_TX_OFFLOAD_OUTER_IPV4_CKSUM;
+
+	return tx_offload_capa;
+}
+
+uint64_t
+ngbe_get_rx_queue_offloads(struct rte_eth_dev *dev __rte_unused)
+{
+	return DEV_RX_OFFLOAD_VLAN_STRIP;
+}
+
+uint64_t
+ngbe_get_rx_port_offloads(struct rte_eth_dev *dev)
+{
+	uint64_t offloads;
+	struct ngbe_hw *hw = NGBE_DEV_HW(dev);
+
+	offloads = DEV_RX_OFFLOAD_IPV4_CKSUM  |
+		   DEV_RX_OFFLOAD_UDP_CKSUM   |
+		   DEV_RX_OFFLOAD_TCP_CKSUM   |
+		   DEV_RX_OFFLOAD_KEEP_CRC    |
+		   DEV_RX_OFFLOAD_JUMBO_FRAME |
+		   DEV_RX_OFFLOAD_VLAN_FILTER |
+		   DEV_RX_OFFLOAD_SCATTER;
+
+	if (hw->is_pf)
+		offloads |= (DEV_RX_OFFLOAD_VLAN_FILTER |
+			     DEV_RX_OFFLOAD_QINQ_STRIP |
+			     DEV_RX_OFFLOAD_VLAN_EXTEND);
+
+	return offloads;
+}
+
diff --git a/drivers/net/ngbe/ngbe_rxtx.h b/drivers/net/ngbe/ngbe_rxtx.h
new file mode 100644
index 0000000000..39011ee286
--- /dev/null
+++ b/drivers/net/ngbe/ngbe_rxtx.h
@@ -0,0 +1,15 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2018-2020 Beijing WangXun Technology Co., Ltd.
+ * Copyright(c) 2010-2017 Intel Corporation
+ */
+
+#ifndef _NGBE_RXTX_H_
+#define _NGBE_RXTX_H_
+
+#define NGBE_TX_MAX_SEG                    40
+
+uint64_t ngbe_get_tx_port_offloads(struct rte_eth_dev *dev);
+uint64_t ngbe_get_rx_queue_offloads(struct rte_eth_dev *dev);
+uint64_t ngbe_get_rx_port_offloads(struct rte_eth_dev *dev);
+
+#endif /* _NGBE_RXTX_H_ */
-- 
2.27.0





More information about the dev mailing list