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
efx_check_disabled(struct efx_nic * efx)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
efx_schedule_channel(struct efx_channel * channel)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
efx_schedule_channel_irq(struct efx_channel * channel)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
efx_siena_init_mcdi_logging(struct efx_nic * efx)95 static inline void efx_siena_init_mcdi_logging(struct efx_nic *efx) {}
efx_siena_fini_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
119