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 61