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_siena_init_io(struct efx_nic *efx, int bar, dma_addr_t dma_mask, 15 unsigned int mem_map_size); 16 void efx_siena_fini_io(struct efx_nic *efx); 17 int efx_siena_init_struct(struct efx_nic *efx, struct pci_dev *pci_dev, 18 struct net_device *net_dev); 19 void efx_siena_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_siena_link_clear_advertising(struct efx_nic *efx); 29 void efx_siena_link_set_wanted_fc(struct efx_nic *efx, u8 wanted_fc); 30 31 void efx_siena_start_all(struct efx_nic *efx); 32 void efx_siena_stop_all(struct efx_nic *efx); 33 34 void efx_siena_net_stats(struct net_device *net_dev, 35 struct rtnl_link_stats64 *stats); 36 37 int efx_siena_create_reset_workqueue(void); 38 void efx_siena_queue_reset_work(struct efx_nic *efx); 39 void efx_siena_flush_reset_workqueue(struct efx_nic *efx); 40 void efx_siena_destroy_reset_workqueue(void); 41 42 void efx_siena_start_monitor(struct efx_nic *efx); 43 44 int __efx_siena_reconfigure_port(struct efx_nic *efx); 45 int efx_siena_reconfigure_port(struct efx_nic *efx); 46 47 #define EFX_ASSERT_RESET_SERIALISED(efx) \ 48 do { \ 49 if ((efx->state == STATE_READY) || \ 50 (efx->state == STATE_RECOVERY) || \ 51 (efx->state == STATE_DISABLED)) \ 52 ASSERT_RTNL(); \ 53 } while (0) 54 55 int efx_siena_try_recovery(struct efx_nic *efx); 56 void efx_siena_reset_down(struct efx_nic *efx, enum reset_type method); 57 void efx_siena_watchdog(struct net_device *net_dev, unsigned int txqueue); 58 int efx_siena_reset_up(struct efx_nic *efx, enum reset_type method, bool ok); 59 int efx_siena_reset(struct efx_nic *efx, enum reset_type method); 60 void efx_siena_schedule_reset(struct efx_nic *efx, enum reset_type type); 61 62 /* Dummy PHY ops for PHY drivers */ 63 int efx_siena_port_dummy_op_int(struct efx_nic *efx); 64 void efx_siena_port_dummy_op_void(struct efx_nic *efx); 65 66 static inline int efx_check_disabled(struct efx_nic *efx) 67 { 68 if (efx->state == STATE_DISABLED || efx->state == STATE_RECOVERY) { 69 netif_err(efx, drv, efx->net_dev, 70 "device is disabled due to earlier errors\n"); 71 return -EIO; 72 } 73 return 0; 74 } 75 76 static inline void efx_schedule_channel(struct efx_channel *channel) 77 { 78 netif_vdbg(channel->efx, intr, channel->efx->net_dev, 79 "channel %d scheduling NAPI poll on CPU%d\n", 80 channel->channel, raw_smp_processor_id()); 81 82 napi_schedule(&channel->napi_str); 83 } 84 85 static inline void efx_schedule_channel_irq(struct efx_channel *channel) 86 { 87 channel->event_test_cpu = raw_smp_processor_id(); 88 efx_schedule_channel(channel); 89 } 90 91 #ifdef CONFIG_SFC_SIENA_MCDI_LOGGING 92 void efx_siena_init_mcdi_logging(struct efx_nic *efx); 93 void efx_siena_fini_mcdi_logging(struct efx_nic *efx); 94 #else 95 static inline void efx_siena_init_mcdi_logging(struct efx_nic *efx) {} 96 static inline void efx_siena_fini_mcdi_logging(struct efx_nic *efx) {} 97 #endif 98 99 void efx_siena_mac_reconfigure(struct efx_nic *efx, bool mtu_only); 100 int efx_siena_set_mac_address(struct net_device *net_dev, void *data); 101 void efx_siena_set_rx_mode(struct net_device *net_dev); 102 int efx_siena_set_features(struct net_device *net_dev, netdev_features_t data); 103 void efx_siena_link_status_changed(struct efx_nic *efx); 104 unsigned int efx_siena_xdp_max_mtu(struct efx_nic *efx); 105 int efx_siena_change_mtu(struct net_device *net_dev, int new_mtu); 106 107 extern const struct pci_error_handlers efx_siena_err_handlers; 108 109 netdev_features_t efx_siena_features_check(struct sk_buff *skb, 110 struct net_device *dev, 111 netdev_features_t features); 112 113 int efx_siena_get_phys_port_id(struct net_device *net_dev, 114 struct netdev_phys_item_id *ppid); 115 116 int efx_siena_get_phys_port_name(struct net_device *net_dev, 117 char *name, size_t len); 118 #endif 119