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
14int efx_init_io(struct efx_nic *efx, int bar, dma_addr_t dma_mask,
15 unsigned int mem_map_size);
16void efx_fini_io(struct efx_nic *efx);
17int efx_init_struct(struct efx_nic *efx, struct pci_dev *pci_dev);
18void 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
27void efx_link_clear_advertising(struct efx_nic *efx);
28void efx_link_set_wanted_fc(struct efx_nic *efx, u8);
29
30void efx_start_all(struct efx_nic *efx);
31void efx_stop_all(struct efx_nic *efx);
32
33void efx_net_stats(struct net_device *net_dev, struct rtnl_link_stats64 *stats);
34
35int efx_create_reset_workqueue(void);
36void efx_queue_reset_work(struct efx_nic *efx);
37void efx_flush_reset_workqueue(struct efx_nic *efx);
38void efx_destroy_reset_workqueue(void);
39
40void efx_start_monitor(struct efx_nic *efx);
41
42int __efx_reconfigure_port(struct efx_nic *efx);
43int efx_reconfigure_port(struct efx_nic *efx);
44
45#define EFX_ASSERT_RESET_SERIALISED(efx) \
46 do { \
47 if ((efx)->state != STATE_UNINIT && \
48 (efx)->state != STATE_PROBED) \
49 ASSERT_RTNL(); \
50 } while (0)
51
52int efx_try_recovery(struct efx_nic *efx);
53void efx_reset_down(struct efx_nic *efx, enum reset_type method);
54void efx_watchdog(struct net_device *net_dev, unsigned int txqueue);
55int efx_reset_up(struct efx_nic *efx, enum reset_type method, bool ok);
56int efx_reset(struct efx_nic *efx, enum reset_type method);
57void efx_schedule_reset(struct efx_nic *efx, enum reset_type type);
58
59/* Dummy PHY ops for PHY drivers */
60int efx_port_dummy_op_int(struct efx_nic *efx);
61void efx_port_dummy_op_void(struct efx_nic *efx);
62
63static inline int efx_check_disabled(struct efx_nic *efx)
64{
65 if (efx->state == STATE_DISABLED || efx_recovering(state: efx->state)) {
66 netif_err(efx, drv, efx->net_dev,
67 "device is disabled due to earlier errors\n");
68 return -EIO;
69 }
70 return 0;
71}
72
73static inline void efx_schedule_channel(struct efx_channel *channel)
74{
75 netif_vdbg(channel->efx, intr, channel->efx->net_dev,
76 "channel %d scheduling NAPI poll on CPU%d\n",
77 channel->channel, raw_smp_processor_id());
78
79 napi_schedule(n: &channel->napi_str);
80}
81
82static inline void efx_schedule_channel_irq(struct efx_channel *channel)
83{
84 channel->event_test_cpu = raw_smp_processor_id();
85 efx_schedule_channel(channel);
86}
87
88#ifdef CONFIG_SFC_MCDI_LOGGING
89void efx_init_mcdi_logging(struct efx_nic *efx);
90void efx_fini_mcdi_logging(struct efx_nic *efx);
91#else
92static inline void efx_init_mcdi_logging(struct efx_nic *efx) {}
93static inline void efx_fini_mcdi_logging(struct efx_nic *efx) {}
94#endif
95
96void efx_mac_reconfigure(struct efx_nic *efx, bool mtu_only);
97int efx_set_mac_address(struct net_device *net_dev, void *data);
98void efx_set_rx_mode(struct net_device *net_dev);
99int efx_set_features(struct net_device *net_dev, netdev_features_t data);
100void efx_link_status_changed(struct efx_nic *efx);
101unsigned int efx_xdp_max_mtu(struct efx_nic *efx);
102int efx_change_mtu(struct net_device *net_dev, int new_mtu);
103
104extern const struct pci_error_handlers efx_err_handlers;
105
106netdev_features_t efx_features_check(struct sk_buff *skb, struct net_device *dev,
107 netdev_features_t features);
108
109int efx_get_phys_port_id(struct net_device *net_dev,
110 struct netdev_phys_item_id *ppid);
111
112int efx_get_phys_port_name(struct net_device *net_dev,
113 char *name, size_t len);
114
115void efx_detach_reps(struct efx_nic *efx);
116void efx_attach_reps(struct efx_nic *efx);
117#endif
118

source code of linux/drivers/net/ethernet/sfc/efx_common.h