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