1 /* SPDX-License-Identifier: GPL-2.0-only */ 2 /**************************************************************************** 3 * Driver for Solarflare network controllers and boards 4 * Copyright 2018 Solarflare Communications Inc. 5 * 6 * This program is free software; you can redistribute it and/or modify it 7 * under the terms of the GNU General Public License version 2 as published 8 * by the Free Software Foundation, incorporated herein by reference. 9 */ 10 11 #ifndef EFX_COMMON_H 12 #define EFX_COMMON_H 13 14 int efx_init_io(struct efx_nic *efx, int bar, dma_addr_t dma_mask, 15 unsigned int mem_map_size); 16 void efx_fini_io(struct efx_nic *efx); 17 int efx_init_struct(struct efx_nic *efx, struct pci_dev *pci_dev); 18 void efx_fini_struct(struct efx_nic *efx); 19 20 #define EFX_MAX_DMAQ_SIZE 4096UL 21 #define EFX_DEFAULT_DMAQ_SIZE 1024UL 22 #define EFX_MIN_DMAQ_SIZE 512UL 23 24 #define EFX_MAX_EVQ_SIZE 16384UL 25 #define EFX_MIN_EVQ_SIZE 512UL 26 27 void efx_link_clear_advertising(struct efx_nic *efx); 28 void efx_link_set_wanted_fc(struct efx_nic *efx, u8); 29 30 void efx_start_all(struct efx_nic *efx); 31 void efx_stop_all(struct efx_nic *efx); 32 33 void efx_net_stats(struct net_device *net_dev, struct rtnl_link_stats64 *stats); 34 35 int efx_create_reset_workqueue(void); 36 void efx_queue_reset_work(struct efx_nic *efx); 37 void efx_flush_reset_workqueue(struct efx_nic *efx); 38 void efx_destroy_reset_workqueue(void); 39 40 void efx_start_monitor(struct efx_nic *efx); 41 42 int __efx_reconfigure_port(struct efx_nic *efx); 43 int 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 52 int efx_try_recovery(struct efx_nic *efx); 53 void efx_reset_down(struct efx_nic *efx, enum reset_type method); 54 void efx_watchdog(struct net_device *net_dev, unsigned int txqueue); 55 int efx_reset_up(struct efx_nic *efx, enum reset_type method, bool ok); 56 int efx_reset(struct efx_nic *efx, enum reset_type method); 57 void efx_schedule_reset(struct efx_nic *efx, enum reset_type type); 58 59 /* Dummy PHY ops for PHY drivers */ 60 int efx_port_dummy_op_int(struct efx_nic *efx); 61 void efx_port_dummy_op_void(struct efx_nic *efx); 62 63 static 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 73 static 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 82 static 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_LOGGING 89 void efx_init_mcdi_logging(struct efx_nic *efx); 90 void efx_fini_mcdi_logging(struct efx_nic *efx); 91 #else 92 static inline void efx_init_mcdi_logging(struct efx_nic *efx) {} 93 static inline void efx_fini_mcdi_logging(struct efx_nic *efx) {} 94 #endif 95 96 void efx_mac_reconfigure(struct efx_nic *efx, bool mtu_only); 97 int efx_set_mac_address(struct net_device *net_dev, void *data); 98 void efx_set_rx_mode(struct net_device *net_dev); 99 int efx_set_features(struct net_device *net_dev, netdev_features_t data); 100 void efx_link_status_changed(struct efx_nic *efx); 101 unsigned int efx_xdp_max_mtu(struct efx_nic *efx); 102 int efx_change_mtu(struct net_device *net_dev, int new_mtu); 103 104 extern const struct pci_error_handlers efx_err_handlers; 105 106 netdev_features_t efx_features_check(struct sk_buff *skb, struct net_device *dev, 107 netdev_features_t features); 108 109 int efx_get_phys_port_id(struct net_device *net_dev, 110 struct netdev_phys_item_id *ppid); 111 112 int efx_get_phys_port_name(struct net_device *net_dev, 113 char *name, size_t len); 114 115 void efx_detach_reps(struct efx_nic *efx); 116 void efx_attach_reps(struct efx_nic *efx); 117 #endif 118