// SPDX-License-Identifier: GPL-2.0-only /* * Huawei HiNIC PCI Express Linux driver * Copyright(c) 2017 Huawei Technologies Co., Ltd */ #include <linux/kernel.h> #include <linux/module.h> #include <linux/moduleparam.h> #include <linux/pci.h> #include <linux/device.h> #include <linux/errno.h> #include <linux/types.h> #include <linux/etherdevice.h> #include <linux/netdevice.h> #include <linux/slab.h> #include <linux/if_vlan.h> #include <linux/semaphore.h> #include <linux/workqueue.h> #include <net/ip.h> #include <net/devlink.h> #include <linux/bitops.h> #include <linux/bitmap.h> #include <linux/delay.h> #include <linux/err.h> #include "hinic_debugfs.h" #include "hinic_hw_qp.h" #include "hinic_hw_dev.h" #include "hinic_devlink.h" #include "hinic_port.h" #include "hinic_tx.h" #include "hinic_rx.h" #include "hinic_dev.h" #include "hinic_sriov.h" MODULE_AUTHOR(…) …; MODULE_DESCRIPTION(…) …; MODULE_LICENSE(…) …; static unsigned int tx_weight = …; module_param(tx_weight, uint, 0644); MODULE_PARM_DESC(…) …; static unsigned int rx_weight = …; module_param(rx_weight, uint, 0644); MODULE_PARM_DESC(…) …; #define HINIC_DEV_ID_QUAD_PORT_25GE … #define HINIC_DEV_ID_DUAL_PORT_100GE … #define HINIC_DEV_ID_DUAL_PORT_100GE_MEZZ … #define HINIC_DEV_ID_QUAD_PORT_25GE_MEZZ … #define HINIC_DEV_ID_VF … #define HINIC_WQ_NAME … #define MSG_ENABLE_DEFAULT … #define HINIC_LRO_MAX_WQE_NUM_DEFAULT … #define HINIC_LRO_RX_TIMER_DEFAULT … #define work_to_rx_mode_work(work) … #define rx_mode_work_to_nic_dev(rx_mode_work) … #define HINIC_WAIT_SRIOV_CFG_TIMEOUT … #define HINIC_DEAULT_TXRX_MSIX_PENDING_LIMIT … #define HINIC_DEAULT_TXRX_MSIX_COALESC_TIMER_CFG … #define HINIC_DEAULT_TXRX_MSIX_RESEND_TIMER_CFG … static int change_mac_addr(struct net_device *netdev, const u8 *addr); static int set_features(struct hinic_dev *nic_dev, netdev_features_t pre_features, netdev_features_t features, bool force_change); static void gather_rx_stats(struct hinic_rxq_stats *nic_rx_stats, struct hinic_rxq *rxq) { … } static void gather_tx_stats(struct hinic_txq_stats *nic_tx_stats, struct hinic_txq *txq) { … } static void gather_nic_stats(struct hinic_dev *nic_dev, struct hinic_rxq_stats *nic_rx_stats, struct hinic_txq_stats *nic_tx_stats) { … } /** * create_txqs - Create the Logical Tx Queues of specific NIC device * @nic_dev: the specific NIC device * * Return 0 - Success, negative - Failure **/ static int create_txqs(struct hinic_dev *nic_dev) { … } static void enable_txqs_napi(struct hinic_dev *nic_dev) { … } static void disable_txqs_napi(struct hinic_dev *nic_dev) { … } /** * free_txqs - Free the Logical Tx Queues of specific NIC device * @nic_dev: the specific NIC device **/ static void free_txqs(struct hinic_dev *nic_dev) { … } /** * create_rxqs - Create the Logical Rx Queues of specific NIC device * @nic_dev: the specific NIC device * * Return 0 - Success, negative - Failure **/ static int create_rxqs(struct hinic_dev *nic_dev) { … } /** * free_rxqs - Free the Logical Rx Queues of specific NIC device * @nic_dev: the specific NIC device **/ static void free_rxqs(struct hinic_dev *nic_dev) { … } static int hinic_configure_max_qnum(struct hinic_dev *nic_dev) { … } static int hinic_rss_init(struct hinic_dev *nic_dev) { … } static void hinic_rss_deinit(struct hinic_dev *nic_dev) { … } static void hinic_init_rss_parameters(struct hinic_dev *nic_dev) { … } static void hinic_enable_rss(struct hinic_dev *nic_dev) { … } int hinic_open(struct net_device *netdev) { … } int hinic_close(struct net_device *netdev) { … } static int hinic_change_mtu(struct net_device *netdev, int new_mtu) { … } /** * change_mac_addr - change the main mac address of network device * @netdev: network device * @addr: mac address to set * * Return 0 - Success, negative - Failure **/ static int change_mac_addr(struct net_device *netdev, const u8 *addr) { … } static int hinic_set_mac_addr(struct net_device *netdev, void *addr) { … } /** * add_mac_addr - add mac address to network device * @netdev: network device * @addr: mac address to add * * Return 0 - Success, negative - Failure **/ static int add_mac_addr(struct net_device *netdev, const u8 *addr) { … } /** * remove_mac_addr - remove mac address from network device * @netdev: network device * @addr: mac address to remove * * Return 0 - Success, negative - Failure **/ static int remove_mac_addr(struct net_device *netdev, const u8 *addr) { … } static int hinic_vlan_rx_add_vid(struct net_device *netdev, __always_unused __be16 proto, u16 vid) { … } static int hinic_vlan_rx_kill_vid(struct net_device *netdev, __always_unused __be16 proto, u16 vid) { … } static void set_rx_mode(struct work_struct *work) { … } static void hinic_set_rx_mode(struct net_device *netdev) { … } static void hinic_tx_timeout(struct net_device *netdev, unsigned int txqueue) { … } static void hinic_get_stats64(struct net_device *netdev, struct rtnl_link_stats64 *stats) { … } static int hinic_set_features(struct net_device *netdev, netdev_features_t features) { … } static netdev_features_t hinic_fix_features(struct net_device *netdev, netdev_features_t features) { … } static const struct net_device_ops hinic_netdev_ops = …; static const struct net_device_ops hinicvf_netdev_ops = …; static void netdev_features_init(struct net_device *netdev) { … } static void hinic_refresh_nic_cfg(struct hinic_dev *nic_dev) { … } /** * link_status_event_handler - link event handler * @handle: nic device for the handler * @buf_in: input buffer * @in_size: input size * @buf_out: output buffer * @out_size: returned output size **/ static void link_status_event_handler(void *handle, void *buf_in, u16 in_size, void *buf_out, u16 *out_size) { … } static void cable_plug_event(void *handle, void *buf_in, u16 in_size, void *buf_out, u16 *out_size) { … } static void link_err_event(void *handle, void *buf_in, u16 in_size, void *buf_out, u16 *out_size) { … } static int set_features(struct hinic_dev *nic_dev, netdev_features_t pre_features, netdev_features_t features, bool force_change) { … } static int hinic_init_intr_coalesce(struct hinic_dev *nic_dev) { … } static void hinic_free_intr_coalesce(struct hinic_dev *nic_dev) { … } /** * nic_dev_init - Initialize the NIC device * @pdev: the NIC pci device * * Return 0 - Success, negative - Failure **/ static int nic_dev_init(struct pci_dev *pdev) { … } static int hinic_probe(struct pci_dev *pdev, const struct pci_device_id *id) { … } static void wait_sriov_cfg_complete(struct hinic_dev *nic_dev) { … } static void hinic_remove(struct pci_dev *pdev) { … } static void hinic_shutdown(struct pci_dev *pdev) { … } static const struct pci_device_id hinic_pci_table[] = …; MODULE_DEVICE_TABLE(pci, hinic_pci_table); static struct pci_driver hinic_driver = …; static int __init hinic_module_init(void) { … } static void __exit hinic_module_exit(void) { … } module_init(…) …; module_exit(hinic_module_exit);
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