From 47db46bb7613371b4d8186ef51956dcccac524ca Mon Sep 17 00:00:00 2001 From: Nithin Dabilpuram Date: Wed, 23 Jun 2021 10:16:09 +0530 Subject: [PATCH] net/cnxk: add build infra and common probing Add build infrastructure and common probe and remove for cnxk driver which is used by both CN10K and CN9K SoC. Signed-off-by: Nithin Dabilpuram --- MAINTAINERS | 3 + doc/guides/nics/cnxk.rst | 29 ++++ doc/guides/nics/features/cnxk.ini | 9 + doc/guides/nics/features/cnxk_vec.ini | 9 + doc/guides/nics/features/cnxk_vf.ini | 9 + doc/guides/nics/index.rst | 1 + doc/guides/platform/cnxk.rst | 3 + doc/guides/rel_notes/release_21_08.rst | 5 + drivers/net/cnxk/cnxk_ethdev.c | 218 +++++++++++++++++++++++++ drivers/net/cnxk/cnxk_ethdev.h | 57 +++++++ drivers/net/cnxk/meson.build | 16 ++ drivers/net/cnxk/version.map | 3 + drivers/net/meson.build | 1 + 13 files changed, 363 insertions(+) create mode 100644 doc/guides/nics/cnxk.rst create mode 100644 doc/guides/nics/features/cnxk.ini create mode 100644 doc/guides/nics/features/cnxk_vec.ini create mode 100644 doc/guides/nics/features/cnxk_vf.ini create mode 100644 drivers/net/cnxk/cnxk_ethdev.c create mode 100644 drivers/net/cnxk/cnxk_ethdev.h create mode 100644 drivers/net/cnxk/meson.build create mode 100644 drivers/net/cnxk/version.map diff --git a/MAINTAINERS b/MAINTAINERS index c7887c9ce7..f64fce84ab 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -751,6 +751,9 @@ M: Sunil Kumar Kori M: Satha Rao T: git://dpdk.org/next/dpdk-next-net-mrvl F: drivers/common/cnxk/ +F: drivers/net/cnxk/ +F: doc/guides/nics/cnxk.rst +F: doc/guides/nics/features/cnxk*.ini F: doc/guides/platform/cnxk.rst Marvell mvpp2 diff --git a/doc/guides/nics/cnxk.rst b/doc/guides/nics/cnxk.rst new file mode 100644 index 0000000000..ca2184258f --- /dev/null +++ b/doc/guides/nics/cnxk.rst @@ -0,0 +1,29 @@ +.. SPDX-License-Identifier: BSD-3-Clause + Copyright(C) 2021 Marvell. + +CNXK Poll Mode driver +===================== + +The CNXK ETHDEV PMD (**librte_net_cnxk**) provides poll mode ethdev driver +support for the inbuilt network device found in **Marvell OCTEON CN9K/CN10K** +SoC family as well as for their virtual functions (VF) in SR-IOV context. + +More information can be found at `Marvell Official Website +`_. + +Features +-------- + +Features of the CNXK Ethdev PMD are: + +Prerequisites +------------- + +See :doc:`../platform/cnxk` for setup information. + + +Driver compilation and testing +------------------------------ + +Refer to the document :ref:`compiling and testing a PMD for a NIC ` +for details. diff --git a/doc/guides/nics/features/cnxk.ini b/doc/guides/nics/features/cnxk.ini new file mode 100644 index 0000000000..2c23464a6b --- /dev/null +++ b/doc/guides/nics/features/cnxk.ini @@ -0,0 +1,9 @@ +; +; Supported features of the 'cnxk' network poll mode driver. +; +; Refer to default.ini for the full list of available PMD features. +; +[Features] +Linux = Y +ARMv8 = Y +Usage doc = Y diff --git a/doc/guides/nics/features/cnxk_vec.ini b/doc/guides/nics/features/cnxk_vec.ini new file mode 100644 index 0000000000..de78516e3a --- /dev/null +++ b/doc/guides/nics/features/cnxk_vec.ini @@ -0,0 +1,9 @@ +; +; Supported features of the 'cnxk_vec' network poll mode driver. +; +; Refer to default.ini for the full list of available PMD features. +; +[Features] +Linux = Y +ARMv8 = Y +Usage doc = Y diff --git a/doc/guides/nics/features/cnxk_vf.ini b/doc/guides/nics/features/cnxk_vf.ini new file mode 100644 index 0000000000..9c96351a3d --- /dev/null +++ b/doc/guides/nics/features/cnxk_vf.ini @@ -0,0 +1,9 @@ +; +; Supported features of the 'cnxk_vf' network poll mode driver. +; +; Refer to default.ini for the full list of available PMD features. +; +[Features] +Linux = Y +ARMv8 = Y +Usage doc = Y diff --git a/doc/guides/nics/index.rst b/doc/guides/nics/index.rst index 799697caf0..c1a04d9541 100644 --- a/doc/guides/nics/index.rst +++ b/doc/guides/nics/index.rst @@ -19,6 +19,7 @@ Network Interface Controller Drivers axgbe bnx2x bnxt + cnxk cxgbe dpaa dpaa2 diff --git a/doc/guides/platform/cnxk.rst b/doc/guides/platform/cnxk.rst index a6ba42249e..2325983604 100644 --- a/doc/guides/platform/cnxk.rst +++ b/doc/guides/platform/cnxk.rst @@ -142,6 +142,9 @@ HW Offload Drivers This section lists dataplane H/W block(s) available in cnxk SoC. +#. **Ethdev Driver** + See :doc:`../nics/cnxk` for NIX Ethdev driver information. + #. **Mempool Driver** See :doc:`../mempool/cnxk` for NPA mempool driver information. diff --git a/doc/guides/rel_notes/release_21_08.rst b/doc/guides/rel_notes/release_21_08.rst index 0a05cb02fa..8706bb62e0 100644 --- a/doc/guides/rel_notes/release_21_08.rst +++ b/doc/guides/rel_notes/release_21_08.rst @@ -61,6 +61,11 @@ New Features representing sub-domains of functionality. Each auxiliary device represents a part of its parent functionality. +* **Added support for Marvell CN10K SoC ethernet device.** + + * Added net/cnxk driver which provides the support for the integrated ethernet + device. + * **Added Baseband PHY CNXK PMD.** Added Baseband PHY PMD which allows to configure BPHY hardware block diff --git a/drivers/net/cnxk/cnxk_ethdev.c b/drivers/net/cnxk/cnxk_ethdev.c new file mode 100644 index 0000000000..589b0da35b --- /dev/null +++ b/drivers/net/cnxk/cnxk_ethdev.c @@ -0,0 +1,218 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(C) 2021 Marvell. + */ +#include + +/* CNXK platform independent eth dev ops */ +struct eth_dev_ops cnxk_eth_dev_ops; + +static int +cnxk_eth_dev_init(struct rte_eth_dev *eth_dev) +{ + struct cnxk_eth_dev *dev = cnxk_eth_pmd_priv(eth_dev); + struct roc_nix *nix = &dev->nix; + struct rte_pci_device *pci_dev; + int rc, max_entries; + + eth_dev->dev_ops = &cnxk_eth_dev_ops; + + /* For secondary processes, the primary has done all the work */ + if (rte_eal_process_type() != RTE_PROC_PRIMARY) + return 0; + + pci_dev = RTE_ETH_DEV_TO_PCI(eth_dev); + rte_eth_copy_pci_info(eth_dev, pci_dev); + + /* Initialize base roc nix */ + nix->pci_dev = pci_dev; + rc = roc_nix_dev_init(nix); + if (rc) { + plt_err("Failed to initialize roc nix rc=%d", rc); + goto error; + } + + dev->eth_dev = eth_dev; + + /* For vfs, returned max_entries will be 0. but to keep default mac + * address, one entry must be allocated. so setting up to 1. + */ + if (roc_nix_is_vf_or_sdp(nix)) + max_entries = 1; + else + max_entries = roc_nix_mac_max_entries_get(nix); + + if (max_entries <= 0) { + plt_err("Failed to get max entries for mac addr"); + rc = -ENOTSUP; + goto dev_fini; + } + + eth_dev->data->mac_addrs = + rte_zmalloc("mac_addr", max_entries * RTE_ETHER_ADDR_LEN, 0); + if (eth_dev->data->mac_addrs == NULL) { + plt_err("Failed to allocate memory for mac addr"); + rc = -ENOMEM; + goto dev_fini; + } + + dev->max_mac_entries = max_entries; + + /* Get mac address */ + rc = roc_nix_npc_mac_addr_get(nix, dev->mac_addr); + if (rc) { + plt_err("Failed to get mac addr, rc=%d", rc); + goto free_mac_addrs; + } + + /* Update the mac address */ + memcpy(eth_dev->data->mac_addrs, dev->mac_addr, RTE_ETHER_ADDR_LEN); + + if (!roc_nix_is_vf_or_sdp(nix)) { + /* Sync same MAC address to CGX/RPM table */ + rc = roc_nix_mac_addr_set(nix, dev->mac_addr); + if (rc) { + plt_err("Failed to set mac addr, rc=%d", rc); + goto free_mac_addrs; + } + } + + /* 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, + eth_dev->data->port_id, roc_nix_get_pf(nix), + roc_nix_get_vf(nix), CNXK_ETH_DEV_PMD_VERSION, dev->hwcap, + dev->rx_offload_capa, dev->tx_offload_capa); + return 0; + +free_mac_addrs: + rte_free(eth_dev->data->mac_addrs); +dev_fini: + roc_nix_dev_fini(nix); +error: + plt_err("Failed to init nix eth_dev rc=%d", rc); + return rc; +} + +static int +cnxk_eth_dev_uninit(struct rte_eth_dev *eth_dev, bool mbox_close) +{ + struct cnxk_eth_dev *dev = cnxk_eth_pmd_priv(eth_dev); + const struct eth_dev_ops *dev_ops = eth_dev->dev_ops; + struct roc_nix *nix = &dev->nix; + int rc, i; + + /* Nothing to be done for secondary processes */ + if (rte_eal_process_type() != RTE_PROC_PRIMARY) + return 0; + + roc_nix_npc_rx_ena_dis(nix, false); + + /* Free up SQs */ + for (i = 0; i < eth_dev->data->nb_tx_queues; i++) { + dev_ops->tx_queue_release(eth_dev->data->tx_queues[i]); + eth_dev->data->tx_queues[i] = NULL; + } + eth_dev->data->nb_tx_queues = 0; + + /* Free up RQ's and CQ's */ + for (i = 0; i < eth_dev->data->nb_rx_queues; i++) { + dev_ops->rx_queue_release(eth_dev->data->rx_queues[i]); + eth_dev->data->rx_queues[i] = NULL; + } + eth_dev->data->nb_rx_queues = 0; + + /* Free tm resources */ + roc_nix_tm_fini(nix); + + /* Unregister queue irqs */ + roc_nix_unregister_queue_irqs(nix); + + /* Unregister cq irqs */ + if (eth_dev->data->dev_conf.intr_conf.rxq) + roc_nix_unregister_cq_irqs(nix); + + /* Free nix lf resources */ + rc = roc_nix_lf_free(nix); + if (rc) + plt_err("Failed to free nix lf, rc=%d", rc); + + rte_free(eth_dev->data->mac_addrs); + eth_dev->data->mac_addrs = NULL; + + /* Check if mbox close is needed */ + if (!mbox_close) + return 0; + + rc = roc_nix_dev_fini(nix); + /* Can be freed later by PMD if NPA LF is in use */ + if (rc == -EAGAIN) { + eth_dev->data->dev_private = NULL; + return 0; + } else if (rc) { + plt_err("Failed in nix dev fini, rc=%d", rc); + } + + return rc; +} + +int +cnxk_nix_remove(struct rte_pci_device *pci_dev) +{ + struct rte_eth_dev *eth_dev; + struct roc_nix *nix; + int rc = -EINVAL; + + eth_dev = rte_eth_dev_allocated(pci_dev->device.name); + if (eth_dev) { + /* Cleanup eth dev */ + rc = cnxk_eth_dev_uninit(eth_dev, true); + if (rc) + return rc; + + rte_eth_dev_release_port(eth_dev); + } + + /* Nothing to be done for secondary processes */ + if (rte_eal_process_type() != RTE_PROC_PRIMARY) + return 0; + + /* Check if this device is hosting common resource */ + nix = roc_idev_npa_nix_get(); + if (nix->pci_dev != pci_dev) + return 0; + + /* Try nix fini now */ + rc = roc_nix_dev_fini(nix); + if (rc == -EAGAIN) { + plt_info("%s: common resource in use by other devices", + pci_dev->name); + goto exit; + } else if (rc) { + plt_err("Failed in nix dev fini, rc=%d", rc); + goto exit; + } + + /* Free device pointer as rte_ethdev does not have it anymore */ + rte_free(nix); +exit: + return rc; +} + +int +cnxk_nix_probe(struct rte_pci_driver *pci_drv, struct rte_pci_device *pci_dev) +{ + int rc; + + RTE_SET_USED(pci_drv); + + rc = rte_eth_dev_pci_generic_probe(pci_dev, sizeof(struct cnxk_eth_dev), + cnxk_eth_dev_init); + + /* On error on secondary, recheck if port exists in primary or + * in mid of detach state. + */ + if (rte_eal_process_type() != RTE_PROC_PRIMARY && rc) + if (!rte_eth_dev_allocated(pci_dev->device.name)) + return 0; + return rc; +} diff --git a/drivers/net/cnxk/cnxk_ethdev.h b/drivers/net/cnxk/cnxk_ethdev.h new file mode 100644 index 0000000000..0460d1e77d --- /dev/null +++ b/drivers/net/cnxk/cnxk_ethdev.h @@ -0,0 +1,57 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(C) 2021 Marvell. + */ +#ifndef __CNXK_ETHDEV_H__ +#define __CNXK_ETHDEV_H__ + +#include +#include + +#include +#include + +#include "roc_api.h" + +#define CNXK_ETH_DEV_PMD_VERSION "1.0" + +struct cnxk_eth_dev { + /* ROC NIX */ + struct roc_nix nix; + + /* Max macfilter entries */ + uint8_t max_mac_entries; + + uint16_t flags; + + /* Pointer back to rte */ + struct rte_eth_dev *eth_dev; + + /* HW capabilities / Limitations */ + union { + uint64_t hwcap; + }; + + /* Rx and Tx offload capabilities */ + uint64_t rx_offload_capa; + uint64_t tx_offload_capa; + uint32_t speed_capa; + + /* Default mac address */ + uint8_t mac_addr[RTE_ETHER_ADDR_LEN]; +}; + +static inline struct cnxk_eth_dev * +cnxk_eth_pmd_priv(struct rte_eth_dev *eth_dev) +{ + return eth_dev->data->dev_private; +} + +/* Common ethdev ops */ +extern struct eth_dev_ops cnxk_eth_dev_ops; + +/* Ops */ +int cnxk_nix_probe(struct rte_pci_driver *pci_drv, + struct rte_pci_device *pci_dev); +int cnxk_nix_remove(struct rte_pci_device *pci_dev); + +#endif /* __CNXK_ETHDEV_H__ */ diff --git a/drivers/net/cnxk/meson.build b/drivers/net/cnxk/meson.build new file mode 100644 index 0000000000..bb2f3a0af9 --- /dev/null +++ b/drivers/net/cnxk/meson.build @@ -0,0 +1,16 @@ +# SPDX-License-Identifier: BSD-3-Clause +# Copyright(C) 2021 Marvell. +# + +if not dpdk_conf.get('RTE_ARCH_64') + build = false + reason = 'only supported on 64-bit' + subdir_done() +endif + +sources = files( + 'cnxk_ethdev.c', +) + +deps += ['bus_pci', 'cryptodev', 'eventdev', 'security'] +deps += ['common_cnxk', 'mempool_cnxk'] diff --git a/drivers/net/cnxk/version.map b/drivers/net/cnxk/version.map new file mode 100644 index 0000000000..4a76d1d52d --- /dev/null +++ b/drivers/net/cnxk/version.map @@ -0,0 +1,3 @@ +DPDK_21 { + local: *; +}; diff --git a/drivers/net/meson.build b/drivers/net/meson.build index c8b5ce2980..4e9fa98a4d 100644 --- a/drivers/net/meson.build +++ b/drivers/net/meson.build @@ -12,6 +12,7 @@ drivers = [ 'bnx2x', 'bnxt', 'bonding', + 'cnxk', 'cxgbe', 'dpaa', 'dpaa2', -- 2.20.1