drivers/net/ethernet/sfc/efx_channels.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_CHANNELS_H
  12 #define EFX_CHANNELS_H
  13
  14 extern unsigned int efx_interrupt_mode;
  15 extern unsigned int rss_cpus;
  16
  17 int efx_probe_interrupts(struct efx_nic *efx);
  18 void efx_remove_interrupts(struct efx_nic *efx);
  19 int efx_soft_enable_interrupts(struct efx_nic *efx);
  20 void efx_soft_disable_interrupts(struct efx_nic *efx);
  21 int efx_enable_interrupts(struct efx_nic *efx);
  22 void efx_disable_interrupts(struct efx_nic *efx);
  23
  24 void efx_set_interrupt_affinity(struct efx_nic *efx);
  25 void efx_clear_interrupt_affinity(struct efx_nic *efx);
  26
  27 int efx_probe_eventq(struct efx_channel *channel);
  28 int efx_init_eventq(struct efx_channel *channel);
  29 void efx_start_eventq(struct efx_channel *channel);
  30 void efx_stop_eventq(struct efx_channel *channel);
  31 void efx_fini_eventq(struct efx_channel *channel);
  32 void efx_remove_eventq(struct efx_channel *channel);
  33
  34 int efx_realloc_channels(struct efx_nic *efx, u32 rxq_entries, u32 txq_entries);
  35 void efx_set_channel_names(struct efx_nic *efx);
  36 int efx_init_channels(struct efx_nic *efx);
  37 int efx_probe_channels(struct efx_nic *efx);
  38 int efx_set_channels(struct efx_nic *efx);
  39 void efx_remove_channel(struct efx_channel *channel);
  40 void efx_remove_channels(struct efx_nic *efx);
  41 void efx_fini_channels(struct efx_nic *efx);
  42 struct efx_channel *efx_copy_channel(const struct efx_channel *old_channel);
  43 void efx_start_channels(struct efx_nic *efx);
  44 void efx_stop_channels(struct efx_nic *efx);
  45
  46 static inline u64 efx_get_queue_stat_rx_hw_drops(struct efx_channel *channel)
  47 {
  48         return channel->n_rx_eth_crc_err + channel->n_rx_frm_trunc +
  49                channel->n_rx_overlength + channel->n_rx_nodesc_trunc +
  50                channel->n_rx_mport_bad;
  51 }
  52
  53 void efx_init_napi_channel(struct efx_channel *channel);
  54 void efx_init_napi(struct efx_nic *efx);
  55 void efx_fini_napi_channel(struct efx_channel *channel);
  56 void efx_fini_napi(struct efx_nic *efx);
  57
  58 void efx_channel_dummy_op_void(struct efx_channel *channel);
  59
  60 #endif