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1/* SPDX-License-Identifier: GPL-2.0-only */2/****************************************************************************3 * Driver for Solarflare network controllers and boards4 * Copyright 2018 Solarflare Communications Inc.5 *6 * This program is free software; you can redistribute it and/or modify it7 * under the terms of the GNU General Public License version 2 as published8 * by the Free Software Foundation, incorporated herein by reference.9 */10 11#ifndef EFX_COMMON_H12#define EFX_COMMON_H13 14int efx_init_io(struct efx_nic *efx, int bar, dma_addr_t dma_mask,15 unsigned int mem_map_size);16void efx_fini_io(struct efx_nic *efx);17int efx_init_struct(struct efx_nic *efx, struct pci_dev *pci_dev);18void efx_fini_struct(struct efx_nic *efx);19 20#define EFX_MAX_DMAQ_SIZE 4096UL21#define EFX_DEFAULT_DMAQ_SIZE 1024UL22#define EFX_MIN_DMAQ_SIZE 512UL23 24#define EFX_MAX_EVQ_SIZE 16384UL25#define EFX_MIN_EVQ_SIZE 512UL26 27void efx_link_clear_advertising(struct efx_nic *efx);28void efx_link_set_wanted_fc(struct efx_nic *efx, u8);29 30void efx_start_all(struct efx_nic *efx);31void efx_stop_all(struct efx_nic *efx);32 33void efx_net_stats(struct net_device *net_dev, struct rtnl_link_stats64 *stats);34 35int efx_create_reset_workqueue(void);36void efx_queue_reset_work(struct efx_nic *efx);37void efx_flush_reset_workqueue(struct efx_nic *efx);38void efx_destroy_reset_workqueue(void);39 40void efx_start_monitor(struct efx_nic *efx);41 42int __efx_reconfigure_port(struct efx_nic *efx);43int efx_reconfigure_port(struct efx_nic *efx);44 45#define EFX_ASSERT_RESET_SERIALISED(efx) \46 do { \47 if ((efx)->state != STATE_UNINIT && \48 (efx)->state != STATE_PROBED) \49 ASSERT_RTNL(); \50 } while (0)51 52int efx_try_recovery(struct efx_nic *efx);53void efx_reset_down(struct efx_nic *efx, enum reset_type method);54void efx_watchdog(struct net_device *net_dev, unsigned int txqueue);55int efx_reset_up(struct efx_nic *efx, enum reset_type method, bool ok);56int efx_reset(struct efx_nic *efx, enum reset_type method);57void efx_schedule_reset(struct efx_nic *efx, enum reset_type type);58 59/* Dummy PHY ops for PHY drivers */60int efx_port_dummy_op_int(struct efx_nic *efx);61void efx_port_dummy_op_void(struct efx_nic *efx);62 63static inline int efx_check_disabled(struct efx_nic *efx)64{65 if (efx->state == STATE_DISABLED || efx_recovering(efx->state)) {66 netif_err(efx, drv, efx->net_dev,67 "device is disabled due to earlier errors\n");68 return -EIO;69 }70 return 0;71}72 73static inline void efx_schedule_channel(struct efx_channel *channel)74{75 netif_vdbg(channel->efx, intr, channel->efx->net_dev,76 "channel %d scheduling NAPI poll on CPU%d\n",77 channel->channel, raw_smp_processor_id());78 79 napi_schedule(&channel->napi_str);80}81 82static inline void efx_schedule_channel_irq(struct efx_channel *channel)83{84 channel->event_test_cpu = raw_smp_processor_id();85 efx_schedule_channel(channel);86}87 88#ifdef CONFIG_SFC_MCDI_LOGGING89void efx_init_mcdi_logging(struct efx_nic *efx);90void efx_fini_mcdi_logging(struct efx_nic *efx);91#else92static inline void efx_init_mcdi_logging(struct efx_nic *efx) {}93static inline void efx_fini_mcdi_logging(struct efx_nic *efx) {}94#endif95 96void efx_mac_reconfigure(struct efx_nic *efx, bool mtu_only);97int efx_set_mac_address(struct net_device *net_dev, void *data);98void efx_set_rx_mode(struct net_device *net_dev);99int efx_set_features(struct net_device *net_dev, netdev_features_t data);100void efx_link_status_changed(struct efx_nic *efx);101unsigned int efx_xdp_max_mtu(struct efx_nic *efx);102int efx_change_mtu(struct net_device *net_dev, int new_mtu);103 104extern const struct pci_error_handlers efx_err_handlers;105 106netdev_features_t efx_features_check(struct sk_buff *skb, struct net_device *dev,107 netdev_features_t features);108 109int efx_get_phys_port_id(struct net_device *net_dev,110 struct netdev_phys_item_id *ppid);111 112int efx_get_phys_port_name(struct net_device *net_dev,113 char *name, size_t len);114 115void efx_detach_reps(struct efx_nic *efx);116void efx_attach_reps(struct efx_nic *efx);117#endif118