drivers/net/ethernet/sfc/siena/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_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