1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef __CVMX_CONFIG_H__
3 #define __CVMX_CONFIG_H__
4
5 /************************* Config Specific Defines ************************/
6 #define CVMX_LLM_NUM_PORTS 1
7 #define CVMX_NULL_POINTER_PROTECT 1
8 #define CVMX_ENABLE_DEBUG_PRINTS 1
9 /* PKO queues per port for interface 0 (ports 0-15) */
10 #define CVMX_PKO_QUEUES_PER_PORT_INTERFACE0 1
11 /* PKO queues per port for interface 1 (ports 16-31) */
12 #define CVMX_PKO_QUEUES_PER_PORT_INTERFACE1 1
13 /* Limit on the number of PKO ports enabled for interface 0 */
14 #define CVMX_PKO_MAX_PORTS_INTERFACE0 CVMX_HELPER_PKO_MAX_PORTS_INTERFACE0
15 /* Limit on the number of PKO ports enabled for interface 1 */
16 #define CVMX_PKO_MAX_PORTS_INTERFACE1 CVMX_HELPER_PKO_MAX_PORTS_INTERFACE1
17 /* PKO queues per port for PCI (ports 32-35) */
18 #define CVMX_PKO_QUEUES_PER_PORT_PCI 1
19 /* PKO queues per port for Loop devices (ports 36-39) */
20 #define CVMX_PKO_QUEUES_PER_PORT_LOOP 1
21
22 /************************* FPA allocation *********************************/
23 /* Pool sizes in bytes, must be multiple of a cache line */
24 #define CVMX_FPA_POOL_0_SIZE (16 * CVMX_CACHE_LINE_SIZE)
25 #define CVMX_FPA_POOL_1_SIZE (1 * CVMX_CACHE_LINE_SIZE)
26 #define CVMX_FPA_POOL_2_SIZE (8 * CVMX_CACHE_LINE_SIZE)
27 #define CVMX_FPA_POOL_3_SIZE (0 * CVMX_CACHE_LINE_SIZE)
28 #define CVMX_FPA_POOL_4_SIZE (0 * CVMX_CACHE_LINE_SIZE)
29 #define CVMX_FPA_POOL_5_SIZE (0 * CVMX_CACHE_LINE_SIZE)
30 #define CVMX_FPA_POOL_6_SIZE (0 * CVMX_CACHE_LINE_SIZE)
31 #define CVMX_FPA_POOL_7_SIZE (0 * CVMX_CACHE_LINE_SIZE)
32
33 /* Pools in use */
34 /* Packet buffers */
35 #define CVMX_FPA_PACKET_POOL (0)
36 #define CVMX_FPA_PACKET_POOL_SIZE CVMX_FPA_POOL_0_SIZE
37 /* Work queue entries */
38 #define CVMX_FPA_WQE_POOL (1)
39 #define CVMX_FPA_WQE_POOL_SIZE CVMX_FPA_POOL_1_SIZE
40 /* PKO queue command buffers */
41 #define CVMX_FPA_OUTPUT_BUFFER_POOL (2)
42 #define CVMX_FPA_OUTPUT_BUFFER_POOL_SIZE CVMX_FPA_POOL_2_SIZE
43
44 /************************* FAU allocation ********************************/
45 /* The fetch and add registers are allocated here. They are arranged
46 * in order of descending size so that all alignment constraints are
47 * automatically met. The enums are linked so that the following enum
48 * continues allocating where the previous one left off, so the
49 * numbering within each enum always starts with zero. The macros
50 * take care of the address increment size, so the values entered
51 * always increase by 1. FAU registers are accessed with byte
52 * addresses.
53 */
54
55 #define CVMX_FAU_REG_64_ADDR(x) ((x << 3) + CVMX_FAU_REG_64_START)
56 typedef enum {
57 CVMX_FAU_REG_64_START = 0,
58 CVMX_FAU_REG_64_END = CVMX_FAU_REG_64_ADDR(0),
59 } cvmx_fau_reg_64_t;
60
61 #define CVMX_FAU_REG_32_ADDR(x) ((x << 2) + CVMX_FAU_REG_32_START)
62 typedef enum {
63 CVMX_FAU_REG_32_START = CVMX_FAU_REG_64_END,
64 CVMX_FAU_REG_32_END = CVMX_FAU_REG_32_ADDR(0),
65 } cvmx_fau_reg_32_t;
66
67 #define CVMX_FAU_REG_16_ADDR(x) ((x << 1) + CVMX_FAU_REG_16_START)
68 typedef enum {
69 CVMX_FAU_REG_16_START = CVMX_FAU_REG_32_END,
70 CVMX_FAU_REG_16_END = CVMX_FAU_REG_16_ADDR(0),
71 } cvmx_fau_reg_16_t;
72
73 #define CVMX_FAU_REG_8_ADDR(x) ((x) + CVMX_FAU_REG_8_START)
74 typedef enum {
75 CVMX_FAU_REG_8_START = CVMX_FAU_REG_16_END,
76 CVMX_FAU_REG_8_END = CVMX_FAU_REG_8_ADDR(0),
77 } cvmx_fau_reg_8_t;
78
79 /*
80 * The name CVMX_FAU_REG_AVAIL_BASE is provided to indicate the first
81 * available FAU address that is not allocated in cvmx-config.h. This
82 * is 64 bit aligned.
83 */
84 #define CVMX_FAU_REG_AVAIL_BASE ((CVMX_FAU_REG_8_END + 0x7) & (~0x7ULL))
85 #define CVMX_FAU_REG_END (2048)
86
87 /********************** scratch memory allocation *************************/
88 /* Scratchpad memory allocation. Note that these are byte memory
89 * addresses. Some uses of scratchpad (IOBDMA for example) require
90 * the use of 8-byte aligned addresses, so proper alignment needs to
91 * be taken into account.
92 */
93 /* Generic scratch iobdma area */
94 #define CVMX_SCR_SCRATCH (0)
95 /* First location available after cvmx-config.h allocated region. */
96 #define CVMX_SCR_REG_AVAIL_BASE (8)
97
98 /*
99 * CVMX_HELPER_FIRST_MBUFF_SKIP is the number of bytes to reserve
100 * before the beginning of the packet. If necessary, override the
101 * default here. See the IPD section of the hardware manual for MBUFF
102 * SKIP details.
103 */
104 #define CVMX_HELPER_FIRST_MBUFF_SKIP 184
105
106 /*
107 * CVMX_HELPER_NOT_FIRST_MBUFF_SKIP is the number of bytes to reserve
108 * in each chained packet element. If necessary, override the default
109 * here.
110 */
111 #define CVMX_HELPER_NOT_FIRST_MBUFF_SKIP 0
112
113 /*
114 * CVMX_HELPER_ENABLE_BACK_PRESSURE controls whether back pressure is
115 * enabled for all input ports. This controls if IPD sends
116 * backpressure to all ports if Octeon's FPA pools don't have enough
117 * packet or work queue entries. Even when this is off, it is still
118 * possible to get backpressure from individual hardware ports. When
119 * configuring backpressure, also check
120 * CVMX_HELPER_DISABLE_*_BACKPRESSURE below. If necessary, override
121 * the default here.
122 */
123 #define CVMX_HELPER_ENABLE_BACK_PRESSURE 1
124
125 /*
126 * CVMX_HELPER_ENABLE_IPD controls if the IPD is enabled in the helper
127 * function. Once it is enabled the hardware starts accepting
128 * packets. You might want to skip the IPD enable if configuration
129 * changes are need from the default helper setup. If necessary,
130 * override the default here.
131 */
132 #define CVMX_HELPER_ENABLE_IPD 0
133
134 /*
135 * CVMX_HELPER_INPUT_TAG_TYPE selects the type of tag that the IPD assigns
136 * to incoming packets.
137 */
138 #define CVMX_HELPER_INPUT_TAG_TYPE CVMX_POW_TAG_TYPE_ORDERED
139
140 #define CVMX_ENABLE_PARAMETER_CHECKING 0
141
142 /*
143 * The following select which fields are used by the PIP to generate
144 * the tag on INPUT
145 * 0: don't include
146 * 1: include
147 */
148 #define CVMX_HELPER_INPUT_TAG_IPV6_SRC_IP 0
149 #define CVMX_HELPER_INPUT_TAG_IPV6_DST_IP 0
150 #define CVMX_HELPER_INPUT_TAG_IPV6_SRC_PORT 0
151 #define CVMX_HELPER_INPUT_TAG_IPV6_DST_PORT 0
152 #define CVMX_HELPER_INPUT_TAG_IPV6_NEXT_HEADER 0
153 #define CVMX_HELPER_INPUT_TAG_IPV4_SRC_IP 0
154 #define CVMX_HELPER_INPUT_TAG_IPV4_DST_IP 0
155 #define CVMX_HELPER_INPUT_TAG_IPV4_SRC_PORT 0
156 #define CVMX_HELPER_INPUT_TAG_IPV4_DST_PORT 0
157 #define CVMX_HELPER_INPUT_TAG_IPV4_PROTOCOL 0
158 #define CVMX_HELPER_INPUT_TAG_INPUT_PORT 1
159
160 /* Select skip mode for input ports */
161 #define CVMX_HELPER_INPUT_PORT_SKIP_MODE CVMX_PIP_PORT_CFG_MODE_SKIPL2
162
163 /*
164 * Force backpressure to be disabled. This overrides all other
165 * backpressure configuration.
166 */
167 #define CVMX_HELPER_DISABLE_RGMII_BACKPRESSURE 0
168
169 #endif /* __CVMX_CONFIG_H__ */
170
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