[dpdk-dev] [PATCH v3 10/62] net/cnxk: add platform specific probe and remove

[Nithin Dabilpuram <ndabilpuram@marvell.com>]

Add platform specific probe and remove callbacks for CN9K
and CN10K which use common probe and remove functions.
Register ethdev driver for CN9K and CN10K.

Signed-off-by: Nithin Dabilpuram <ndabilpuram@marvell.com>
---
 drivers/net/cnxk/cn10k_ethdev.c | 64 ++++++++++++++++++++++++++++++++
 drivers/net/cnxk/cn10k_ethdev.h |  9 +++++
 drivers/net/cnxk/cn9k_ethdev.c  | 82 +++++++++++++++++++++++++++++++++++++++++
 drivers/net/cnxk/cn9k_ethdev.h  |  9 +++++
 drivers/net/cnxk/cnxk_ethdev.c  | 42 +++++++++++++++++++++
 drivers/net/cnxk/cnxk_ethdev.h  | 19 ++++++++++
 drivers/net/cnxk/meson.build    |  5 +++
 7 files changed, 230 insertions(+)
 create mode 100644 drivers/net/cnxk/cn10k_ethdev.c
 create mode 100644 drivers/net/cnxk/cn10k_ethdev.h
 create mode 100644 drivers/net/cnxk/cn9k_ethdev.c
 create mode 100644 drivers/net/cnxk/cn9k_ethdev.h

diff --git a/drivers/net/cnxk/cn10k_ethdev.c b/drivers/net/cnxk/cn10k_ethdev.c
new file mode 100644
index 0000000..ff8ce31
--- /dev/null
+++ b/drivers/net/cnxk/cn10k_ethdev.c
@@ -0,0 +1,64 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(C) 2021 Marvell.
+ */
+#include "cn10k_ethdev.h"
+
+static int
+cn10k_nix_remove(struct rte_pci_device *pci_dev)
+{
+	return cnxk_nix_remove(pci_dev);
+}
+
+static int
+cn10k_nix_probe(struct rte_pci_driver *pci_drv, struct rte_pci_device *pci_dev)
+{
+	struct rte_eth_dev *eth_dev;
+	int rc;
+
+	if (RTE_CACHE_LINE_SIZE != 64) {
+		plt_err("Driver not compiled for CN10K");
+		return -EFAULT;
+	}
+
+	rc = roc_plt_init();
+	if (rc) {
+		plt_err("Failed to initialize platform model, rc=%d", rc);
+		return rc;
+	}
+
+	/* Common probe */
+	rc = cnxk_nix_probe(pci_drv, pci_dev);
+	if (rc)
+		return rc;
+
+	if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
+		eth_dev = rte_eth_dev_allocated(pci_dev->device.name);
+		if (!eth_dev)
+			return -ENOENT;
+	}
+	return 0;
+}
+
+static const struct rte_pci_id cn10k_pci_nix_map[] = {
+	CNXK_PCI_ID(PCI_SUBSYSTEM_DEVID_CN10KA, PCI_DEVID_CNXK_RVU_PF),
+	CNXK_PCI_ID(PCI_SUBSYSTEM_DEVID_CN10KAS, PCI_DEVID_CNXK_RVU_PF),
+	CNXK_PCI_ID(PCI_SUBSYSTEM_DEVID_CN10KA, PCI_DEVID_CNXK_RVU_VF),
+	CNXK_PCI_ID(PCI_SUBSYSTEM_DEVID_CN10KAS, PCI_DEVID_CNXK_RVU_VF),
+	CNXK_PCI_ID(PCI_SUBSYSTEM_DEVID_CN10KA, PCI_DEVID_CNXK_RVU_AF_VF),
+	CNXK_PCI_ID(PCI_SUBSYSTEM_DEVID_CN10KAS, PCI_DEVID_CNXK_RVU_AF_VF),
+	{
+		.vendor_id = 0,
+	},
+};
+
+static struct rte_pci_driver cn10k_pci_nix = {
+	.id_table = cn10k_pci_nix_map,
+	.drv_flags = RTE_PCI_DRV_NEED_MAPPING | RTE_PCI_DRV_NEED_IOVA_AS_VA |
+		     RTE_PCI_DRV_INTR_LSC,
+	.probe = cn10k_nix_probe,
+	.remove = cn10k_nix_remove,
+};
+
+RTE_PMD_REGISTER_PCI(net_cn10k, cn10k_pci_nix);
+RTE_PMD_REGISTER_PCI_TABLE(net_cn10k, cn10k_pci_nix_map);
+RTE_PMD_REGISTER_KMOD_DEP(net_cn10k, "vfio-pci");
diff --git a/drivers/net/cnxk/cn10k_ethdev.h b/drivers/net/cnxk/cn10k_ethdev.h
new file mode 100644
index 0000000..1bf4a65
--- /dev/null
+++ b/drivers/net/cnxk/cn10k_ethdev.h
@@ -0,0 +1,9 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(C) 2021 Marvell.
+ */
+#ifndef __CN10K_ETHDEV_H__
+#define __CN10K_ETHDEV_H__
+
+#include <cnxk_ethdev.h>
+
+#endif /* __CN10K_ETHDEV_H__ */
diff --git a/drivers/net/cnxk/cn9k_ethdev.c b/drivers/net/cnxk/cn9k_ethdev.c
new file mode 100644
index 0000000..701dc12
--- /dev/null
+++ b/drivers/net/cnxk/cn9k_ethdev.c
@@ -0,0 +1,82 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(C) 2021 Marvell.
+ */
+#include "cn9k_ethdev.h"
+
+static int
+cn9k_nix_remove(struct rte_pci_device *pci_dev)
+{
+	return cnxk_nix_remove(pci_dev);
+}
+
+static int
+cn9k_nix_probe(struct rte_pci_driver *pci_drv, struct rte_pci_device *pci_dev)
+{
+	struct rte_eth_dev *eth_dev;
+	struct cnxk_eth_dev *dev;
+	int rc;
+
+	if (RTE_CACHE_LINE_SIZE != 128) {
+		plt_err("Driver not compiled for CN9K");
+		return -EFAULT;
+	}
+
+	rc = roc_plt_init();
+	if (rc) {
+		plt_err("Failed to initialize platform model, rc=%d", rc);
+		return rc;
+	}
+
+	/* Common probe */
+	rc = cnxk_nix_probe(pci_drv, pci_dev);
+	if (rc)
+		return rc;
+
+	/* Find eth dev allocated */
+	eth_dev = rte_eth_dev_allocated(pci_dev->device.name);
+	if (!eth_dev)
+		return -ENOENT;
+
+	dev = cnxk_eth_pmd_priv(eth_dev);
+	/* Update capabilities already set for TSO.
+	 * TSO not supported for earlier chip revisions
+	 */
+	if (roc_model_is_cn96_A0() || roc_model_is_cn95_A0())
+		dev->tx_offload_capa &= ~(DEV_TX_OFFLOAD_TCP_TSO |
+					  DEV_TX_OFFLOAD_VXLAN_TNL_TSO |
+					  DEV_TX_OFFLOAD_GENEVE_TNL_TSO |
+					  DEV_TX_OFFLOAD_GRE_TNL_TSO);
+
+	/* 50G and 100G to be supported for board version C0
+	 * and above of CN9K.
+	 */
+	if (roc_model_is_cn96_A0() || roc_model_is_cn95_A0()) {
+		dev->speed_capa &= ~(uint64_t)ETH_LINK_SPEED_50G;
+		dev->speed_capa &= ~(uint64_t)ETH_LINK_SPEED_100G;
+	}
+
+	dev->hwcap = 0;
+
+	/* Update HW erratas */
+	if (roc_model_is_cn96_A0() || roc_model_is_cn95_A0())
+		dev->cq_min_4k = 1;
+	return 0;
+}
+
+static const struct rte_pci_id cn9k_pci_nix_map[] = {
+	{
+		.vendor_id = 0,
+	},
+};
+
+static struct rte_pci_driver cn9k_pci_nix = {
+	.id_table = cn9k_pci_nix_map,
+	.drv_flags = RTE_PCI_DRV_NEED_MAPPING | RTE_PCI_DRV_NEED_IOVA_AS_VA |
+		     RTE_PCI_DRV_INTR_LSC,
+	.probe = cn9k_nix_probe,
+	.remove = cn9k_nix_remove,
+};
+
+RTE_PMD_REGISTER_PCI(net_cn9k, cn9k_pci_nix);
+RTE_PMD_REGISTER_PCI_TABLE(net_cn9k, cn9k_pci_nix_map);
+RTE_PMD_REGISTER_KMOD_DEP(net_cn9k, "vfio-pci");
diff --git a/drivers/net/cnxk/cn9k_ethdev.h b/drivers/net/cnxk/cn9k_ethdev.h
new file mode 100644
index 0000000..15d9397
--- /dev/null
+++ b/drivers/net/cnxk/cn9k_ethdev.h
@@ -0,0 +1,9 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(C) 2021 Marvell.
+ */
+#ifndef __CN9K_ETHDEV_H__
+#define __CN9K_ETHDEV_H__
+
+#include <cnxk_ethdev.h>
+
+#endif /* __CN9K_ETHDEV_H__ */
diff --git a/drivers/net/cnxk/cnxk_ethdev.c b/drivers/net/cnxk/cnxk_ethdev.c
index 589b0da..526c19b 100644
--- a/drivers/net/cnxk/cnxk_ethdev.c
+++ b/drivers/net/cnxk/cnxk_ethdev.c
@@ -3,6 +3,40 @@
  */
 #include <cnxk_ethdev.h>
 
+static inline uint64_t
+nix_get_rx_offload_capa(struct cnxk_eth_dev *dev)
+{
+	uint64_t capa = CNXK_NIX_RX_OFFLOAD_CAPA;
+
+	if (roc_nix_is_vf_or_sdp(&dev->nix))
+		capa &= ~DEV_RX_OFFLOAD_TIMESTAMP;
+
+	return capa;
+}
+
+static inline uint64_t
+nix_get_tx_offload_capa(struct cnxk_eth_dev *dev)
+{
+	RTE_SET_USED(dev);
+	return CNXK_NIX_TX_OFFLOAD_CAPA;
+}
+
+static inline uint32_t
+nix_get_speed_capa(struct cnxk_eth_dev *dev)
+{
+	uint32_t speed_capa;
+
+	/* Auto negotiation disabled */
+	speed_capa = ETH_LINK_SPEED_FIXED;
+	if (!roc_nix_is_vf_or_sdp(&dev->nix) && !roc_nix_is_lbk(&dev->nix)) {
+		speed_capa |= ETH_LINK_SPEED_1G | ETH_LINK_SPEED_10G |
+			      ETH_LINK_SPEED_25G | ETH_LINK_SPEED_40G |
+			      ETH_LINK_SPEED_50G | ETH_LINK_SPEED_100G;
+	}
+
+	return speed_capa;
+}
+
 /* CNXK platform independent eth dev ops */
 struct eth_dev_ops cnxk_eth_dev_ops;
 
@@ -76,6 +110,14 @@ cnxk_eth_dev_init(struct rte_eth_dev *eth_dev)
 		}
 	}
 
+	/* Union of all capabilities supported by CNXK.
+	 * Platform specific capabilities will be
+	 * updated later.
+	 */
+	dev->rx_offload_capa = nix_get_rx_offload_capa(dev);
+	dev->tx_offload_capa = nix_get_tx_offload_capa(dev);
+	dev->speed_capa = nix_get_speed_capa(dev);
+
 	/* Initialize roc npc */
 	plt_nix_dbg("Port=%d pf=%d vf=%d ver=%s hwcap=0x%" PRIx64
 		    " rxoffload_capa=0x%" PRIx64 " txoffload_capa=0x%" PRIx64,
diff --git a/drivers/net/cnxk/cnxk_ethdev.h b/drivers/net/cnxk/cnxk_ethdev.h
index 0460d1e..ba2bfcd 100644
--- a/drivers/net/cnxk/cnxk_ethdev.h
+++ b/drivers/net/cnxk/cnxk_ethdev.h
@@ -14,6 +14,22 @@
 
 #define CNXK_ETH_DEV_PMD_VERSION "1.0"
 
+#define CNXK_NIX_TX_OFFLOAD_CAPA                                               \
+	(DEV_TX_OFFLOAD_MBUF_FAST_FREE | DEV_TX_OFFLOAD_MT_LOCKFREE |          \
+	 DEV_TX_OFFLOAD_VLAN_INSERT | DEV_TX_OFFLOAD_QINQ_INSERT |             \
+	 DEV_TX_OFFLOAD_OUTER_IPV4_CKSUM | DEV_TX_OFFLOAD_OUTER_UDP_CKSUM |    \
+	 DEV_TX_OFFLOAD_TCP_CKSUM | DEV_TX_OFFLOAD_UDP_CKSUM |                 \
+	 DEV_TX_OFFLOAD_SCTP_CKSUM | DEV_TX_OFFLOAD_TCP_TSO |                  \
+	 DEV_TX_OFFLOAD_VXLAN_TNL_TSO | DEV_TX_OFFLOAD_GENEVE_TNL_TSO |        \
+	 DEV_TX_OFFLOAD_GRE_TNL_TSO | DEV_TX_OFFLOAD_MULTI_SEGS |              \
+	 DEV_TX_OFFLOAD_IPV4_CKSUM)
+
+#define CNXK_NIX_RX_OFFLOAD_CAPA                                               \
+	(DEV_RX_OFFLOAD_CHECKSUM | DEV_RX_OFFLOAD_SCTP_CKSUM |                 \
+	 DEV_RX_OFFLOAD_OUTER_IPV4_CKSUM | DEV_RX_OFFLOAD_SCATTER |            \
+	 DEV_RX_OFFLOAD_JUMBO_FRAME | DEV_RX_OFFLOAD_OUTER_UDP_CKSUM |         \
+	 DEV_RX_OFFLOAD_RSS_HASH)
+
 struct cnxk_eth_dev {
 	/* ROC NIX */
 	struct roc_nix nix;
@@ -28,6 +44,9 @@ struct cnxk_eth_dev {
 
 	/* HW capabilities / Limitations */
 	union {
+		struct {
+			uint64_t cq_min_4k : 1;
+		};
 		uint64_t hwcap;
 	};
 
diff --git a/drivers/net/cnxk/meson.build b/drivers/net/cnxk/meson.build
index 7dd4bca..089e4fc 100644
--- a/drivers/net/cnxk/meson.build
+++ b/drivers/net/cnxk/meson.build
@@ -10,5 +10,10 @@ endif
 
 sources = files('cnxk_ethdev.c')
 
+# CN9K
+sources += files('cn9k_ethdev.c')
+# CN10K
+sources += files('cn10k_ethdev.c')
+
 deps += ['bus_pci', 'cryptodev', 'eventdev', 'security']
 deps += ['common_cnxk', 'mempool_cnxk']
-- 
2.8.4