drivers/net/ethernet/sfc/efx_common.h

   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
  44 #define EFX_ASSERT_RESET_SERIALISED(efx)                                \
  45         do {                                                            \
  46                 if ((efx)->state != STATE_UNINIT &&                     \
  47                     (efx)->state != STATE_PROBED)                       \
  48                         ASSERT_RTNL();                                  \
  49         } while (0)
  50
  51 int efx_try_recovery(struct efx_nic *efx);
  52 void efx_reset_down(struct efx_nic *efx, enum reset_type method);
  53 void efx_watchdog(struct net_device *net_dev, unsigned int txqueue);
  54 int efx_reset_up(struct efx_nic *efx, enum reset_type method, bool ok);
  55 int efx_reset(struct efx_nic *efx, enum reset_type method);
  56 void efx_schedule_reset(struct efx_nic *efx, enum reset_type type);
  57
  58 /* Dummy PHY ops for PHY drivers */
  59 int efx_port_dummy_op_int(struct efx_nic *efx);
  60 void efx_port_dummy_op_void(struct efx_nic *efx);
  61
  62 static inline int efx_check_disabled(struct efx_nic *efx)
  63 {
  64         if (efx->state == STATE_DISABLED || efx_recovering(efx->state)) {
  65                 netif_err(efx, drv, efx->net_dev,
  66                           "device is disabled due to earlier errors\n");
  67                 return -EIO;
  68         }
  69         return 0;
  70 }
  71
  72 static inline void efx_schedule_channel(struct efx_channel *channel)
  73 {
  74         netif_vdbg(channel->efx, intr, channel->efx->net_dev,
  75                    "channel %d scheduling NAPI poll on CPU%d\n",
  76                    channel->channel, raw_smp_processor_id());
  77
  78         napi_schedule(&channel->napi_str);
  79 }
  80
  81 static inline void efx_schedule_channel_irq(struct efx_channel *channel)
  82 {
  83         channel->event_test_cpu = raw_smp_processor_id();
  84         efx_schedule_channel(channel);
  85 }
  86
  87 #ifdef CONFIG_SFC_MCDI_LOGGING
  88 void efx_init_mcdi_logging(struct efx_nic *efx);
  89 void efx_fini_mcdi_logging(struct efx_nic *efx);
  90 #else
  91 static inline void efx_init_mcdi_logging(struct efx_nic *efx) {}
  92 static inline void efx_fini_mcdi_logging(struct efx_nic *efx) {}
  93 #endif
  94
  95 void efx_mac_reconfigure(struct efx_nic *efx, bool mtu_only);
  96 int efx_set_mac_address(struct net_device *net_dev, void *data);
  97 void efx_set_rx_mode(struct net_device *net_dev);
  98 int efx_set_features(struct net_device *net_dev, netdev_features_t data);
  99 void efx_link_status_changed(struct efx_nic *efx);
 100 unsigned int efx_xdp_max_mtu(struct efx_nic *efx);
 101 int efx_change_mtu(struct net_device *net_dev, int new_mtu);
 102
 103 extern const struct pci_error_handlers efx_err_handlers;
 104
 105 netdev_features_t efx_features_check(struct sk_buff *skb, struct net_device *dev,
 106                                      netdev_features_t features);
 107
 108 int efx_get_phys_port_id(struct net_device *net_dev,
 109                          struct netdev_phys_item_id *ppid);
 110
 111 int efx_get_phys_port_name(struct net_device *net_dev,
 112                            char *name, size_t len);
 113
 114 void efx_detach_reps(struct efx_nic *efx);
 115 void efx_attach_reps(struct efx_nic *efx);
 116 #endif