1/* SPDX-License-Identifier: GPL-2.0-only */
2/****************************************************************************
3 * Driver for Solarflare network controllers and boards
4 * Copyright 2005-2006 Fen Systems Ltd.
5 * Copyright 2006-2013 Solarflare Communications Inc.
6 */
7
8#ifndef EFX_NIC_H
9#define EFX_NIC_H
10
11#include "nic_common.h"
12#include "efx.h"
13
14u32 efx_farch_fpga_ver(struct efx_nic *efx);
15
16enum {
17 PHY_TYPE_NONE = 0,
18 PHY_TYPE_TXC43128 = 1,
19 PHY_TYPE_88E1111 = 2,
20 PHY_TYPE_SFX7101 = 3,
21 PHY_TYPE_QT2022C2 = 4,
22 PHY_TYPE_PM8358 = 6,
23 PHY_TYPE_SFT9001A = 8,
24 PHY_TYPE_QT2025C = 9,
25 PHY_TYPE_SFT9001B = 10,
26};
27
28enum {
29 SIENA_STAT_tx_bytes = GENERIC_STAT_COUNT,
30 SIENA_STAT_tx_good_bytes,
31 SIENA_STAT_tx_bad_bytes,
32 SIENA_STAT_tx_packets,
33 SIENA_STAT_tx_bad,
34 SIENA_STAT_tx_pause,
35 SIENA_STAT_tx_control,
36 SIENA_STAT_tx_unicast,
37 SIENA_STAT_tx_multicast,
38 SIENA_STAT_tx_broadcast,
39 SIENA_STAT_tx_lt64,
40 SIENA_STAT_tx_64,
41 SIENA_STAT_tx_65_to_127,
42 SIENA_STAT_tx_128_to_255,
43 SIENA_STAT_tx_256_to_511,
44 SIENA_STAT_tx_512_to_1023,
45 SIENA_STAT_tx_1024_to_15xx,
46 SIENA_STAT_tx_15xx_to_jumbo,
47 SIENA_STAT_tx_gtjumbo,
48 SIENA_STAT_tx_collision,
49 SIENA_STAT_tx_single_collision,
50 SIENA_STAT_tx_multiple_collision,
51 SIENA_STAT_tx_excessive_collision,
52 SIENA_STAT_tx_deferred,
53 SIENA_STAT_tx_late_collision,
54 SIENA_STAT_tx_excessive_deferred,
55 SIENA_STAT_tx_non_tcpudp,
56 SIENA_STAT_tx_mac_src_error,
57 SIENA_STAT_tx_ip_src_error,
58 SIENA_STAT_rx_bytes,
59 SIENA_STAT_rx_good_bytes,
60 SIENA_STAT_rx_bad_bytes,
61 SIENA_STAT_rx_packets,
62 SIENA_STAT_rx_good,
63 SIENA_STAT_rx_bad,
64 SIENA_STAT_rx_pause,
65 SIENA_STAT_rx_control,
66 SIENA_STAT_rx_unicast,
67 SIENA_STAT_rx_multicast,
68 SIENA_STAT_rx_broadcast,
69 SIENA_STAT_rx_lt64,
70 SIENA_STAT_rx_64,
71 SIENA_STAT_rx_65_to_127,
72 SIENA_STAT_rx_128_to_255,
73 SIENA_STAT_rx_256_to_511,
74 SIENA_STAT_rx_512_to_1023,
75 SIENA_STAT_rx_1024_to_15xx,
76 SIENA_STAT_rx_15xx_to_jumbo,
77 SIENA_STAT_rx_gtjumbo,
78 SIENA_STAT_rx_bad_gtjumbo,
79 SIENA_STAT_rx_overflow,
80 SIENA_STAT_rx_false_carrier,
81 SIENA_STAT_rx_symbol_error,
82 SIENA_STAT_rx_align_error,
83 SIENA_STAT_rx_length_error,
84 SIENA_STAT_rx_internal_error,
85 SIENA_STAT_rx_nodesc_drop_cnt,
86 SIENA_STAT_COUNT
87};
88
89/**
90 * struct siena_nic_data - Siena NIC state
91 * @efx: Pointer back to main interface structure
92 * @wol_filter_id: Wake-on-LAN packet filter id
93 * @stats: Hardware statistics
94 * @vf: Array of &struct siena_vf objects
95 * @vf_buftbl_base: The zeroth buffer table index used to back VF queues.
96 * @vfdi_status: Common VFDI status page to be dmad to VF address space.
97 * @local_addr_list: List of local addresses. Protected by %local_lock.
98 * @local_page_list: List of DMA addressable pages used to broadcast
99 * %local_addr_list. Protected by %local_lock.
100 * @local_lock: Mutex protecting %local_addr_list and %local_page_list.
101 * @peer_work: Work item to broadcast peer addresses to VMs.
102 */
103struct siena_nic_data {
104 struct efx_nic *efx;
105 int wol_filter_id;
106 u64 stats[SIENA_STAT_COUNT];
107#ifdef CONFIG_SFC_SIENA_SRIOV
108 struct siena_vf *vf;
109 struct efx_channel *vfdi_channel;
110 unsigned vf_buftbl_base;
111 struct efx_buffer vfdi_status;
112 struct list_head local_addr_list;
113 struct list_head local_page_list;
114 struct mutex local_lock;
115 struct work_struct peer_work;
116#endif
117};
118
119extern const struct efx_nic_type siena_a0_nic_type;
120
121int falcon_probe_board(struct efx_nic *efx, u16 revision_info);
122
123/* Falcon/Siena queue operations */
124int efx_farch_tx_probe(struct efx_tx_queue *tx_queue);
125void efx_farch_tx_init(struct efx_tx_queue *tx_queue);
126void efx_farch_tx_fini(struct efx_tx_queue *tx_queue);
127void efx_farch_tx_remove(struct efx_tx_queue *tx_queue);
128void efx_farch_tx_write(struct efx_tx_queue *tx_queue);
129unsigned int efx_farch_tx_limit_len(struct efx_tx_queue *tx_queue,
130 dma_addr_t dma_addr, unsigned int len);
131int efx_farch_rx_probe(struct efx_rx_queue *rx_queue);
132void efx_farch_rx_init(struct efx_rx_queue *rx_queue);
133void efx_farch_rx_fini(struct efx_rx_queue *rx_queue);
134void efx_farch_rx_remove(struct efx_rx_queue *rx_queue);
135void efx_farch_rx_write(struct efx_rx_queue *rx_queue);
136void efx_farch_rx_defer_refill(struct efx_rx_queue *rx_queue);
137int efx_farch_ev_probe(struct efx_channel *channel);
138int efx_farch_ev_init(struct efx_channel *channel);
139void efx_farch_ev_fini(struct efx_channel *channel);
140void efx_farch_ev_remove(struct efx_channel *channel);
141int efx_farch_ev_process(struct efx_channel *channel, int quota);
142void efx_farch_ev_read_ack(struct efx_channel *channel);
143void efx_farch_ev_test_generate(struct efx_channel *channel);
144
145/* Falcon/Siena filter operations */
146int efx_farch_filter_table_probe(struct efx_nic *efx);
147void efx_farch_filter_table_restore(struct efx_nic *efx);
148void efx_farch_filter_table_remove(struct efx_nic *efx);
149void efx_farch_filter_update_rx_scatter(struct efx_nic *efx);
150s32 efx_farch_filter_insert(struct efx_nic *efx, struct efx_filter_spec *spec,
151 bool replace);
152int efx_farch_filter_remove_safe(struct efx_nic *efx,
153 enum efx_filter_priority priority,
154 u32 filter_id);
155int efx_farch_filter_get_safe(struct efx_nic *efx,
156 enum efx_filter_priority priority, u32 filter_id,
157 struct efx_filter_spec *);
158int efx_farch_filter_clear_rx(struct efx_nic *efx,
159 enum efx_filter_priority priority);
160u32 efx_farch_filter_count_rx_used(struct efx_nic *efx,
161 enum efx_filter_priority priority);
162u32 efx_farch_filter_get_rx_id_limit(struct efx_nic *efx);
163s32 efx_farch_filter_get_rx_ids(struct efx_nic *efx,
164 enum efx_filter_priority priority, u32 *buf,
165 u32 size);
166#ifdef CONFIG_RFS_ACCEL
167bool efx_farch_filter_rfs_expire_one(struct efx_nic *efx, u32 flow_id,
168 unsigned int index);
169#endif
170void efx_farch_filter_sync_rx_mode(struct efx_nic *efx);
171
172/* Falcon/Siena interrupts */
173void efx_farch_irq_enable_master(struct efx_nic *efx);
174int efx_farch_irq_test_generate(struct efx_nic *efx);
175void efx_farch_irq_disable_master(struct efx_nic *efx);
176irqreturn_t efx_farch_msi_interrupt(int irq, void *dev_id);
177irqreturn_t efx_farch_legacy_interrupt(int irq, void *dev_id);
178irqreturn_t efx_farch_fatal_interrupt(struct efx_nic *efx);
179
180/* Global Resources */
181void efx_siena_prepare_flush(struct efx_nic *efx);
182int efx_farch_fini_dmaq(struct efx_nic *efx);
183void efx_farch_finish_flr(struct efx_nic *efx);
184void siena_finish_flush(struct efx_nic *efx);
185void falcon_start_nic_stats(struct efx_nic *efx);
186void falcon_stop_nic_stats(struct efx_nic *efx);
187int falcon_reset_xaui(struct efx_nic *efx);
188void efx_farch_dimension_resources(struct efx_nic *efx, unsigned sram_lim_qw);
189void efx_farch_init_common(struct efx_nic *efx);
190void efx_farch_rx_push_indir_table(struct efx_nic *efx);
191void efx_farch_rx_pull_indir_table(struct efx_nic *efx);
192
193/* Tests */
194struct efx_farch_register_test {
195 unsigned address;
196 efx_oword_t mask;
197};
198
199int efx_farch_test_registers(struct efx_nic *efx,
200 const struct efx_farch_register_test *regs,
201 size_t n_regs);
202
203void efx_farch_generate_event(struct efx_nic *efx, unsigned int evq,
204 efx_qword_t *event);
205
206#endif /* EFX_NIC_H */
207

source code of linux/drivers/net/ethernet/sfc/siena/nic.h