tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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);
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
51int efx_try_recovery(struct efx_nic *efx);
52void efx_reset_down(struct efx_nic *efx, enum reset_type method);
53void efx_watchdog(struct net_device *net_dev, unsigned int txqueue);
54int efx_reset_up(struct efx_nic *efx, enum reset_type method, bool ok);
55int efx_reset(struct efx_nic *efx, enum reset_type method);
56void efx_schedule_reset(struct efx_nic *efx, enum reset_type type);
57
58/* Dummy PHY ops for PHY drivers */
59int efx_port_dummy_op_int(struct efx_nic *efx);
60void efx_port_dummy_op_void(struct efx_nic *efx);
61
62static 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
72static 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
81static 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
88void efx_init_mcdi_logging(struct efx_nic *efx);
89void efx_fini_mcdi_logging(struct efx_nic *efx);
90#else
91static inline void efx_init_mcdi_logging(struct efx_nic *efx) {}
92static inline void efx_fini_mcdi_logging(struct efx_nic *efx) {}
93#endif
94
95void efx_mac_reconfigure(struct efx_nic *efx, bool mtu_only);
96int efx_set_mac_address(struct net_device *net_dev, void *data);
97void efx_set_rx_mode(struct net_device *net_dev);
98int efx_set_features(struct net_device *net_dev, netdev_features_t data);
99void efx_link_status_changed(struct efx_nic *efx);
100unsigned int efx_xdp_max_mtu(struct efx_nic *efx);
101int efx_change_mtu(struct net_device *net_dev, int new_mtu);
102
103extern const struct pci_error_handlers efx_err_handlers;
104
105netdev_features_t efx_features_check(struct sk_buff *skb, struct net_device *dev,
106 netdev_features_t features);
107
108int efx_get_phys_port_id(struct net_device *net_dev,
109 struct netdev_phys_item_id *ppid);
110
111int efx_get_phys_port_name(struct net_device *net_dev,
112 char *name, size_t len);
113
114void efx_detach_reps(struct efx_nic *efx);
115void efx_attach_reps(struct efx_nic *efx);
116#endif