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511e6bc0 | 1 | /* |
2 | * Copyright (c) 2014-2015 Hisilicon Limited. | |
3 | * | |
4 | * This program is free software; you can redistribute it and/or modify | |
5 | * it under the terms of the GNU General Public License as published by | |
6 | * the Free Software Foundation; either version 2 of the License, or | |
7 | * (at your option) any later version. | |
8 | */ | |
9 | ||
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 | ||
19 | struct 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 | |
13ac695e S |
29 | #define HNS_RCB_RING_MAX_TXBD_PER_PKT 3 |
30 | #define HNS_RCBV2_RING_MAX_TXBD_PER_PKT 8 | |
511e6bc0 | 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 | ||
820c90cb | 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 | |
511e6bc0 | 46 | #define HNS_RCB_MAX_COALESCED_FRAMES 1023 |
47 | #define HNS_RCB_MIN_COALESCED_FRAMES 1 | |
820c90cb | 48 | #define HNS_RCB_DEF_RX_COALESCED_FRAMES 50 |
49 | #define HNS_RCB_DEF_TX_COALESCED_FRAMES 1 | |
43adc067 L |
50 | #define HNS_RCB_CLK_FREQ_MHZ 350 |
51 | #define HNS_RCB_MAX_COALESCED_USECS 0x3ff | |
820c90cb | 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 | |
511e6bc0 | 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 | ||
918f618f | 70 | #define HNS_TSO_MODE_8BD_32K 1 |
71 | #define HNS_TSO_MDOE_4BD_16K 0 | |
72 | ||
511e6bc0 | 73 | enum rcb_int_flag { |
74 | RCB_INT_FLAG_TX = 0x1, | |
75 | RCB_INT_FLAG_RX = (0x1 << 1), | |
76 | RCB_INT_FLAG_MAX = (0x1 << 2), /*must be the last element */ | |
77 | }; | |
78 | ||
79 | struct 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 | ||
88 | struct ring_pair_cb { | |
89 | struct rcb_common_cb *rcb_common; /* ring belongs to */ | |
90 | struct device *dev; /*device for DMA mapping */ | |
91 | struct hnae_queue q; | |
92 | ||
93 | u16 index; /* global index in a rcb common device */ | |
94 | u16 buf_size; | |
95 | ||
96 | int virq[HNS_RCB_IRQ_NUM_PER_QUEUE]; | |
97 | ||
43adc067 | 98 | u8 port_id_in_comm; |
511e6bc0 | 99 | u8 used_by_vf; |
100 | ||
101 | struct hns_ring_hw_stats hw_stats; | |
102 | }; | |
103 | ||
104 | struct 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; | |
511e6bc0 | 113 | u32 desc_num; /* desc num per queue*/ |
114 | ||
115 | struct ring_pair_cb ring_pair_cb[0]; | |
116 | }; | |
117 | ||
118 | int hns_rcb_buf_size2type(u32 buf_size); | |
119 | ||
120 | int hns_rcb_common_get_cfg(struct dsaf_device *dsaf_dev, int comm_index); | |
121 | void hns_rcb_common_free_cfg(struct dsaf_device *dsaf_dev, u32 comm_index); | |
122 | int hns_rcb_common_init_hw(struct rcb_common_cb *rcb_common); | |
123 | void hns_rcb_start(struct hnae_queue *q, u32 val); | |
2fdd6baf | 124 | int hns_rcb_get_cfg(struct rcb_common_cb *rcb_common); |
89a44093 | 125 | void hns_rcb_get_queue_mode(enum dsaf_mode dsaf_mode, |
4568637f | 126 | u16 *max_vfn, u16 *max_q_per_vf); |
511e6bc0 | 127 | |
13ac695e S |
128 | void hns_rcb_common_init_commit_hw(struct rcb_common_cb *rcb_common); |
129 | ||
511e6bc0 | 130 | void hns_rcb_ring_enable_hw(struct hnae_queue *q, u32 val); |
131 | void hns_rcb_int_clr_hw(struct hnae_queue *q, u32 flag); | |
132 | void hns_rcb_int_ctrl_hw(struct hnae_queue *q, u32 flag, u32 enable); | |
13ac695e S |
133 | void hns_rcbv2_int_ctrl_hw(struct hnae_queue *q, u32 flag, u32 mask); |
134 | void hns_rcbv2_int_clr_hw(struct hnae_queue *q, u32 flag); | |
135 | ||
511e6bc0 | 136 | void hns_rcb_init_hw(struct ring_pair_cb *ring); |
137 | void hns_rcb_reset_ring_hw(struct hnae_queue *q); | |
138 | void hns_rcb_wait_fbd_clean(struct hnae_queue **qs, int q_num, u32 flag); | |
31fabbee | 139 | int hns_rcb_wait_tx_ring_clean(struct hnae_queue *qs); |
820c90cb | 140 | u32 hns_rcb_get_rx_coalesced_frames( |
141 | struct rcb_common_cb *rcb_common, u32 port_idx); | |
142 | u32 hns_rcb_get_tx_coalesced_frames( | |
43adc067 L |
143 | struct rcb_common_cb *rcb_common, u32 port_idx); |
144 | u32 hns_rcb_get_coalesce_usecs( | |
145 | struct rcb_common_cb *rcb_common, u32 port_idx); | |
146 | int hns_rcb_set_coalesce_usecs( | |
147 | struct rcb_common_cb *rcb_common, u32 port_idx, u32 timeout); | |
820c90cb | 148 | int hns_rcb_set_rx_coalesced_frames( |
149 | struct rcb_common_cb *rcb_common, u32 port_idx, u32 coalesced_frames); | |
150 | int hns_rcb_set_tx_coalesced_frames( | |
43adc067 | 151 | struct rcb_common_cb *rcb_common, u32 port_idx, u32 coalesced_frames); |
511e6bc0 | 152 | void hns_rcb_update_stats(struct hnae_queue *queue); |
153 | ||
154 | void hns_rcb_get_stats(struct hnae_queue *queue, u64 *data); | |
155 | ||
156 | void hns_rcb_get_common_regs(struct rcb_common_cb *rcb_common, void *data); | |
157 | ||
158 | int hns_rcb_get_ring_sset_count(int stringset); | |
159 | int hns_rcb_get_common_regs_count(void); | |
160 | int hns_rcb_get_ring_regs_count(void); | |
161 | ||
162 | void hns_rcb_get_ring_regs(struct hnae_queue *queue, void *data); | |
163 | ||
164 | void hns_rcb_get_strings(int stringset, u8 *data, int index); | |
b29bd412 | 165 | void hns_rcb_set_rx_ring_bs(struct hnae_queue *q, u32 buf_size); |
166 | void hns_rcb_set_tx_ring_bs(struct hnae_queue *q, u32 buf_size); | |
167 | ||
511e6bc0 | 168 | #endif /* _HNS_DSAF_RCB_H */ |