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