1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
|
/*
* Copyright (c) 2014-2015 Hisilicon Limited.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*/
#ifndef _HNS_DSAF_RCB_H
#define _HNS_DSAF_RCB_H
#include <linux/netdevice.h>
#include <linux/platform_device.h>
#include "hnae.h"
#include "hns_dsaf_main.h"
struct rcb_common_cb;
#define HNS_RCB_IRQ_NUM_PER_QUEUE 2
#define HNS_RCB_IRQ_IDX_TX 0
#define HNS_RCB_IRQ_IDX_RX 1
#define HNS_RCB_TX_REG_OFFSET 0x40
#define HNS_RCB_SERVICE_NW_ENGINE_NUM DSAF_COMM_CHN
#define HNS_RCB_DEBUG_NW_ENGINE_NUM 1
#define HNS_RCB_RING_MAX_BD_PER_PKT 3
#define HNS_RCB_RING_MAX_TXBD_PER_PKT 3
#define HNS_RCBV2_RING_MAX_TXBD_PER_PKT 8
#define HNS_RCB_MAX_PKT_SIZE MAC_MAX_MTU
#define HNS_RCB_RING_MAX_PENDING_BD 1024
#define HNS_RCB_RING_MIN_PENDING_BD 16
#define HNS_RCB_REG_OFFSET 0x10000
#define HNS_RCB_TX_FRAMES_LOW 1
#define HNS_RCB_RX_FRAMES_LOW 1
#define HNS_RCB_TX_FRAMES_HIGH 1023
#define HNS_RCB_RX_FRAMES_HIGH 1023
#define HNS_RCB_TX_USECS_LOW 1
#define HNS_RCB_RX_USECS_LOW 1
#define HNS_RCB_TX_USECS_HIGH 1023
#define HNS_RCB_RX_USECS_HIGH 1023
#define HNS_RCB_MAX_COALESCED_FRAMES 1023
#define HNS_RCB_MIN_COALESCED_FRAMES 1
#define HNS_RCB_DEF_RX_COALESCED_FRAMES 50
#define HNS_RCB_DEF_TX_COALESCED_FRAMES 1
#define HNS_RCB_CLK_FREQ_MHZ 350
#define HNS_RCB_MAX_COALESCED_USECS 0x3ff
#define HNS_RCB_DEF_COALESCED_USECS 30
#define HNS_RCB_DEF_GAP_TIME_USECS 20
#define HNS_RCB_TX_PKTLINE_OFFSET 8
#define HNS_RCB_COMMON_ENDIAN 1
#define HNS_BD_SIZE_512_TYPE 0
#define HNS_BD_SIZE_1024_TYPE 1
#define HNS_BD_SIZE_2048_TYPE 2
#define HNS_BD_SIZE_4096_TYPE 3
#define HNS_RCB_COMMON_DUMP_REG_NUM 80
#define HNS_RCB_RING_DUMP_REG_NUM 40
#define HNS_RING_STATIC_REG_NUM 28
#define HNS_DUMP_REG_NUM 500
#define HNS_STATIC_REG_NUM 12
#define HNS_TSO_MODE_8BD_32K 1
#define HNS_TSO_MDOE_4BD_16K 0
enum rcb_int_flag {
RCB_INT_FLAG_TX = 0x1,
RCB_INT_FLAG_RX = (0x1 << 1),
RCB_INT_FLAG_MAX = (0x1 << 2), /*must be the last element */
};
struct hns_ring_hw_stats {
u64 tx_pkts;
u64 ppe_tx_ok_pkts;
u64 ppe_tx_drop_pkts;
u64 rx_pkts;
u64 ppe_rx_ok_pkts;
u64 ppe_rx_drop_pkts;
};
struct ring_pair_cb {
struct rcb_common_cb *rcb_common; /* ring belongs to */
struct device *dev; /*device for DMA mapping */
struct hnae_queue q;
u16 index; /* global index in a rcb common device */
u16 buf_size;
int virq[HNS_RCB_IRQ_NUM_PER_QUEUE];
u8 port_id_in_comm;
u8 used_by_vf;
struct hns_ring_hw_stats hw_stats;
};
struct rcb_common_cb {
u8 __iomem *io_base;
phys_addr_t phy_base;
struct dsaf_device *dsaf_dev;
u16 max_vfn;
u16 max_q_per_vf;
u8 comm_index;
u32 ring_num;
u32 desc_num; /* desc num per queue*/
struct ring_pair_cb ring_pair_cb[0];
};
int hns_rcb_buf_size2type(u32 buf_size);
int hns_rcb_common_get_cfg(struct dsaf_device *dsaf_dev, int comm_index);
void hns_rcb_common_free_cfg(struct dsaf_device *dsaf_dev, u32 comm_index);
int hns_rcb_common_init_hw(struct rcb_common_cb *rcb_common);
void hns_rcb_start(struct hnae_queue *q, u32 val);
int hns_rcb_get_cfg(struct rcb_common_cb *rcb_common);
void hns_rcb_get_queue_mode(enum dsaf_mode dsaf_mode,
u16 *max_vfn, u16 *max_q_per_vf);
void hns_rcb_common_init_commit_hw(struct rcb_common_cb *rcb_common);
void hns_rcb_ring_enable_hw(struct hnae_queue *q, u32 val);
void hns_rcb_int_clr_hw(struct hnae_queue *q, u32 flag);
void hns_rcb_int_ctrl_hw(struct hnae_queue *q, u32 flag, u32 enable);
void hns_rcbv2_int_ctrl_hw(struct hnae_queue *q, u32 flag, u32 mask);
void hns_rcbv2_int_clr_hw(struct hnae_queue *q, u32 flag);
void hns_rcb_init_hw(struct ring_pair_cb *ring);
void hns_rcb_reset_ring_hw(struct hnae_queue *q);
void hns_rcb_wait_fbd_clean(struct hnae_queue **qs, int q_num, u32 flag);
int hns_rcb_wait_tx_ring_clean(struct hnae_queue *qs);
u32 hns_rcb_get_rx_coalesced_frames(
struct rcb_common_cb *rcb_common, u32 port_idx);
u32 hns_rcb_get_tx_coalesced_frames(
struct rcb_common_cb *rcb_common, u32 port_idx);
u32 hns_rcb_get_coalesce_usecs(
struct rcb_common_cb *rcb_common, u32 port_idx);
int hns_rcb_set_coalesce_usecs(
struct rcb_common_cb *rcb_common, u32 port_idx, u32 timeout);
int hns_rcb_set_rx_coalesced_frames(
struct rcb_common_cb *rcb_common, u32 port_idx, u32 coalesced_frames);
int hns_rcb_set_tx_coalesced_frames(
struct rcb_common_cb *rcb_common, u32 port_idx, u32 coalesced_frames);
void hns_rcb_update_stats(struct hnae_queue *queue);
void hns_rcb_get_stats(struct hnae_queue *queue, u64 *data);
void hns_rcb_get_common_regs(struct rcb_common_cb *rcb_common, void *data);
int hns_rcb_get_ring_sset_count(int stringset);
int hns_rcb_get_common_regs_count(void);
int hns_rcb_get_ring_regs_count(void);
void hns_rcb_get_ring_regs(struct hnae_queue *queue, void *data);
void hns_rcb_get_strings(int stringset, u8 *data, int index);
void hns_rcb_set_rx_ring_bs(struct hnae_queue *q, u32 buf_size);
void hns_rcb_set_tx_ring_bs(struct hnae_queue *q, u32 buf_size);
#endif /* _HNS_DSAF_RCB_H */
|
