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 struct net_device *net_dev); 19 void efx_fini_struct(struct efx_nic *efx); 20 21 #define EFX_MAX_DMAQ_SIZE 4096UL 22 #define EFX_DEFAULT_DMAQ_SIZE 1024UL 23 #define EFX_MIN_DMAQ_SIZE 512UL 24 25 #define EFX_MAX_EVQ_SIZE 16384UL 26 #define EFX_MIN_EVQ_SIZE 512UL 27 28 void efx_link_clear_advertising(struct efx_nic *efx); 29 void efx_link_set_wanted_fc(struct efx_nic *efx, u8); 30 31 void efx_start_all(struct efx_nic *efx); 32 void efx_stop_all(struct efx_nic *efx); 33 34 void efx_net_stats(struct net_device *net_dev, struct rtnl_link_stats64 *stats); 35 36 int efx_create_reset_workqueue(void); 37 void efx_queue_reset_work(struct efx_nic *efx); 38 void efx_flush_reset_workqueue(struct efx_nic *efx); 39 void efx_destroy_reset_workqueue(void); 40 41 void efx_start_monitor(struct efx_nic *efx); 42 43 int __efx_reconfigure_port(struct efx_nic *efx); 44 int efx_reconfigure_port(struct efx_nic *efx); 45 46 #define EFX_ASSERT_RESET_SERIALISED(efx) \ 47 do { \ 48 if ((efx->state == STATE_READY) || \ 49 (efx->state == STATE_RECOVERY) || \ 50 (efx->state == STATE_DISABLED)) \ 51 ASSERT_RTNL(); \ 52 } while (0) 53 54 int efx_try_recovery(struct efx_nic *efx); 55 void efx_reset_down(struct efx_nic *efx, enum reset_type method); 56 void efx_watchdog(struct net_device *net_dev, unsigned int txqueue); 57 int efx_reset_up(struct efx_nic *efx, enum reset_type method, bool ok); 58 int efx_reset(struct efx_nic *efx, enum reset_type method); 59 void efx_schedule_reset(struct efx_nic *efx, enum reset_type type); 60 61 /* Dummy PHY ops for PHY drivers */ 62 int efx_port_dummy_op_int(struct efx_nic *efx); 63 void efx_port_dummy_op_void(struct efx_nic *efx); 64 65 static inline int efx_check_disabled(struct efx_nic *efx) 66 { 67 if (efx->state == STATE_DISABLED || efx->state == STATE_RECOVERY) { 68 netif_err(efx, drv, efx->net_dev, 69 "device is disabled due to earlier errors\n"); 70 return -EIO; 71 } 72 return 0; 73 } 74 75 static inline void efx_schedule_channel(struct efx_channel *channel) 76 { 77 netif_vdbg(channel->efx, intr, channel->efx->net_dev, 78 "channel %d scheduling NAPI poll on CPU%d\n", 79 channel->channel, raw_smp_processor_id()); 80 81 napi_schedule(&channel->napi_str); 82 } 83 84 static inline void efx_schedule_channel_irq(struct efx_channel *channel) 85 { 86 channel->event_test_cpu = raw_smp_processor_id(); 87 efx_schedule_channel(channel); 88 } 89 90 #ifdef CONFIG_SFC_MCDI_LOGGING 91 void efx_init_mcdi_logging(struct efx_nic *efx); 92 void efx_fini_mcdi_logging(struct efx_nic *efx); 93 #else 94 static inline void efx_init_mcdi_logging(struct efx_nic *efx) {} 95 static inline void efx_fini_mcdi_logging(struct efx_nic *efx) {} 96 #endif 97 98 void efx_mac_reconfigure(struct efx_nic *efx, bool mtu_only); 99 int efx_set_mac_address(struct net_device *net_dev, void *data); 100 void efx_set_rx_mode(struct net_device *net_dev); 101 int efx_set_features(struct net_device *net_dev, netdev_features_t data); 102 void efx_link_status_changed(struct efx_nic *efx); 103 unsigned int efx_xdp_max_mtu(struct efx_nic *efx); 104 int efx_change_mtu(struct net_device *net_dev, int new_mtu); 105 106 extern const struct pci_error_handlers efx_err_handlers; 107 108 netdev_features_t efx_features_check(struct sk_buff *skb, struct net_device *dev, 109 netdev_features_t features); 110 111 int efx_get_phys_port_id(struct net_device *net_dev, 112 struct netdev_phys_item_id *ppid); 113 114 int efx_get_phys_port_name(struct net_device *net_dev, 115 char *name, size_t len); 116 #endif 117