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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_TX_FRAMES_LOW 1
39#define HNS_RCB_RX_FRAMES_LOW 1
40#define HNS_RCB_TX_FRAMES_HIGH 1023
41#define HNS_RCB_RX_FRAMES_HIGH 1023
42#define HNS_RCB_TX_USECS_LOW 1
43#define HNS_RCB_RX_USECS_LOW 1
44#define HNS_RCB_TX_USECS_HIGH 1023
45#define HNS_RCB_RX_USECS_HIGH 1023
46#define HNS_RCB_MAX_COALESCED_FRAMES 1023
47#define HNS_RCB_MIN_COALESCED_FRAMES 1
48#define HNS_RCB_DEF_RX_COALESCED_FRAMES 50
49#define HNS_RCB_DEF_TX_COALESCED_FRAMES 1
50#define HNS_RCB_CLK_FREQ_MHZ 350
51#define HNS_RCB_MAX_COALESCED_USECS 0x3ff
52#define HNS_RCB_DEF_COALESCED_USECS 30
53#define HNS_RCB_DEF_GAP_TIME_USECS 20
54#define HNS_RCB_TX_PKTLINE_OFFSET 8
55
56#define HNS_RCB_COMMON_ENDIAN 1
57
58#define HNS_BD_SIZE_512_TYPE 0
59#define HNS_BD_SIZE_1024_TYPE 1
60#define HNS_BD_SIZE_2048_TYPE 2
61#define HNS_BD_SIZE_4096_TYPE 3
62
63#define HNS_RCB_COMMON_DUMP_REG_NUM 80
64#define HNS_RCB_RING_DUMP_REG_NUM 40
65#define HNS_RING_STATIC_REG_NUM 28
66
67#define HNS_DUMP_REG_NUM 500
68#define HNS_STATIC_REG_NUM 12
69
70#define HNS_TSO_MODE_8BD_32K 1
71#define HNS_TSO_MDOE_4BD_16K 0
72
73enum rcb_int_flag {
74 RCB_INT_FLAG_TX = 0x1,
75 RCB_INT_FLAG_RX = (0x1 << 1),
76 RCB_INT_FLAG_MAX = (0x1 << 2),
77};
78
79struct hns_ring_hw_stats {
80 u64 tx_pkts;
81 u64 ppe_tx_ok_pkts;
82 u64 ppe_tx_drop_pkts;
83 u64 rx_pkts;
84 u64 ppe_rx_ok_pkts;
85 u64 ppe_rx_drop_pkts;
86};
87
88struct ring_pair_cb {
89 struct rcb_common_cb *rcb_common;
90 struct device *dev;
91 struct hnae_queue q;
92
93 u16 index;
94 u16 buf_size;
95
96 int virq[HNS_RCB_IRQ_NUM_PER_QUEUE];
97
98 u8 port_id_in_comm;
99 u8 used_by_vf;
100
101 struct hns_ring_hw_stats hw_stats;
102};
103
104struct rcb_common_cb {
105 u8 __iomem *io_base;
106 phys_addr_t phy_base;
107 struct dsaf_device *dsaf_dev;
108 u16 max_vfn;
109 u16 max_q_per_vf;
110
111 u8 comm_index;
112 u32 ring_num;
113 u32 desc_num;
114
115 struct ring_pair_cb ring_pair_cb[0];
116};
117
118int hns_rcb_buf_size2type(u32 buf_size);
119
120int hns_rcb_common_get_cfg(struct dsaf_device *dsaf_dev, int comm_index);
121void hns_rcb_common_free_cfg(struct dsaf_device *dsaf_dev, u32 comm_index);
122int hns_rcb_common_init_hw(struct rcb_common_cb *rcb_common);
123void hns_rcb_start(struct hnae_queue *q, u32 val);
124int hns_rcb_get_cfg(struct rcb_common_cb *rcb_common);
125void hns_rcb_get_queue_mode(enum dsaf_mode dsaf_mode,
126 u16 *max_vfn, u16 *max_q_per_vf);
127
128void hns_rcb_common_init_commit_hw(struct rcb_common_cb *rcb_common);
129
130void hns_rcb_ring_enable_hw(struct hnae_queue *q, u32 val);
131void hns_rcb_int_clr_hw(struct hnae_queue *q, u32 flag);
132void hns_rcb_int_ctrl_hw(struct hnae_queue *q, u32 flag, u32 enable);
133void hns_rcbv2_int_ctrl_hw(struct hnae_queue *q, u32 flag, u32 mask);
134void hns_rcbv2_int_clr_hw(struct hnae_queue *q, u32 flag);
135
136void hns_rcb_init_hw(struct ring_pair_cb *ring);
137void hns_rcb_reset_ring_hw(struct hnae_queue *q);
138void hns_rcb_wait_fbd_clean(struct hnae_queue **qs, int q_num, u32 flag);
139int hns_rcb_wait_tx_ring_clean(struct hnae_queue *qs);
140u32 hns_rcb_get_rx_coalesced_frames(
141 struct rcb_common_cb *rcb_common, u32 port_idx);
142u32 hns_rcb_get_tx_coalesced_frames(
143 struct rcb_common_cb *rcb_common, u32 port_idx);
144u32 hns_rcb_get_coalesce_usecs(
145 struct rcb_common_cb *rcb_common, u32 port_idx);
146int hns_rcb_set_coalesce_usecs(
147 struct rcb_common_cb *rcb_common, u32 port_idx, u32 timeout);
148int hns_rcb_set_rx_coalesced_frames(
149 struct rcb_common_cb *rcb_common, u32 port_idx, u32 coalesced_frames);
150int hns_rcb_set_tx_coalesced_frames(
151 struct rcb_common_cb *rcb_common, u32 port_idx, u32 coalesced_frames);
152void hns_rcb_update_stats(struct hnae_queue *queue);
153
154void hns_rcb_get_stats(struct hnae_queue *queue, u64 *data);
155
156void hns_rcb_get_common_regs(struct rcb_common_cb *rcb_common, void *data);
157
158int hns_rcb_get_ring_sset_count(int stringset);
159int hns_rcb_get_common_regs_count(void);
160int hns_rcb_get_ring_regs_count(void);
161
162void hns_rcb_get_ring_regs(struct hnae_queue *queue, void *data);
163
164void hns_rcb_get_strings(int stringset, u8 *data, int index);
165void hns_rcb_set_rx_ring_bs(struct hnae_queue *q, u32 buf_size);
166void hns_rcb_set_tx_ring_bs(struct hnae_queue *q, u32 buf_size);
167
168#endif
169
