Linux Kernel  3.7.1
 All Data Structures Namespaces Files Functions Variables Typedefs Enumerations Enumerator Macros Groups Pages
cvmx-config.h
Go to the documentation of this file.
1 #ifndef __CVMX_CONFIG_H__
2 #define __CVMX_CONFIG_H__
3 
4 /************************* Config Specific Defines ************************/
5 #define CVMX_LLM_NUM_PORTS 1
6 #define CVMX_NULL_POINTER_PROTECT 1
7 #define CVMX_ENABLE_DEBUG_PRINTS 1
8 /* PKO queues per port for interface 0 (ports 0-15) */
9 #define CVMX_PKO_QUEUES_PER_PORT_INTERFACE0 1
10 /* PKO queues per port for interface 1 (ports 16-31) */
11 #define CVMX_PKO_QUEUES_PER_PORT_INTERFACE1 1
12 /* Limit on the number of PKO ports enabled for interface 0 */
13 #define CVMX_PKO_MAX_PORTS_INTERFACE0 CVMX_HELPER_PKO_MAX_PORTS_INTERFACE0
14 /* Limit on the number of PKO ports enabled for interface 1 */
15 #define CVMX_PKO_MAX_PORTS_INTERFACE1 CVMX_HELPER_PKO_MAX_PORTS_INTERFACE1
16 /* PKO queues per port for PCI (ports 32-35) */
17 #define CVMX_PKO_QUEUES_PER_PORT_PCI 1
18 /* PKO queues per port for Loop devices (ports 36-39) */
19 #define CVMX_PKO_QUEUES_PER_PORT_LOOP 1
20 
21 /************************* FPA allocation *********************************/
22 /* Pool sizes in bytes, must be multiple of a cache line */
23 #define CVMX_FPA_POOL_0_SIZE (16 * CVMX_CACHE_LINE_SIZE)
24 #define CVMX_FPA_POOL_1_SIZE (1 * CVMX_CACHE_LINE_SIZE)
25 #define CVMX_FPA_POOL_2_SIZE (8 * CVMX_CACHE_LINE_SIZE)
26 #define CVMX_FPA_POOL_3_SIZE (0 * CVMX_CACHE_LINE_SIZE)
27 #define CVMX_FPA_POOL_4_SIZE (0 * CVMX_CACHE_LINE_SIZE)
28 #define CVMX_FPA_POOL_5_SIZE (0 * CVMX_CACHE_LINE_SIZE)
29 #define CVMX_FPA_POOL_6_SIZE (0 * CVMX_CACHE_LINE_SIZE)
30 #define CVMX_FPA_POOL_7_SIZE (0 * CVMX_CACHE_LINE_SIZE)
31 
32 /* Pools in use */
33 /* Packet buffers */
34 #define CVMX_FPA_PACKET_POOL (0)
35 #define CVMX_FPA_PACKET_POOL_SIZE CVMX_FPA_POOL_0_SIZE
36 /* Work queue entrys */
37 #define CVMX_FPA_WQE_POOL (1)
38 #define CVMX_FPA_WQE_POOL_SIZE CVMX_FPA_POOL_1_SIZE
39 /* PKO queue command buffers */
40 #define CVMX_FPA_OUTPUT_BUFFER_POOL (2)
41 #define CVMX_FPA_OUTPUT_BUFFER_POOL_SIZE CVMX_FPA_POOL_2_SIZE
42 
43 /************************* FAU allocation ********************************/
44 /* The fetch and add registers are allocated here. They are arranged
45  * in order of descending size so that all alignment constraints are
46  * automatically met. The enums are linked so that the following enum
47  * continues allocating where the previous one left off, so the
48  * numbering within each enum always starts with zero. The macros
49  * take care of the address increment size, so the values entered
50  * always increase by 1. FAU registers are accessed with byte
51  * addresses.
52  */
53 
54 #define CVMX_FAU_REG_64_ADDR(x) ((x << 3) + CVMX_FAU_REG_64_START)
55 typedef enum {
59 
60 #define CVMX_FAU_REG_32_ADDR(x) ((x << 2) + CVMX_FAU_REG_32_START)
61 typedef enum {
65 
66 #define CVMX_FAU_REG_16_ADDR(x) ((x << 1) + CVMX_FAU_REG_16_START)
67 typedef enum {
71 
72 #define CVMX_FAU_REG_8_ADDR(x) ((x) + CVMX_FAU_REG_8_START)
73 typedef enum {
77 
78 /*
79  * The name CVMX_FAU_REG_AVAIL_BASE is provided to indicate the first
80  * available FAU address that is not allocated in cvmx-config.h. This
81  * is 64 bit aligned.
82  */
83 #define CVMX_FAU_REG_AVAIL_BASE ((CVMX_FAU_REG_8_END + 0x7) & (~0x7ULL))
84 #define CVMX_FAU_REG_END (2048)
85 
86 /********************** scratch memory allocation *************************/
87 /* Scratchpad memory allocation. Note that these are byte memory
88  * addresses. Some uses of scratchpad (IOBDMA for example) require
89  * the use of 8-byte aligned addresses, so proper alignment needs to
90  * be taken into account.
91  */
92 /* Generic scratch iobdma area */
93 #define CVMX_SCR_SCRATCH (0)
94 /* First location available after cvmx-config.h allocated region. */
95 #define CVMX_SCR_REG_AVAIL_BASE (8)
96 
97 /*
98  * CVMX_HELPER_FIRST_MBUFF_SKIP is the number of bytes to reserve
99  * before the beginning of the packet. If necessary, override the
100  * default here. See the IPD section of the hardware manual for MBUFF
101  * SKIP details.
102  */
103 #define CVMX_HELPER_FIRST_MBUFF_SKIP 184
104 
105 /*
106  * CVMX_HELPER_NOT_FIRST_MBUFF_SKIP is the number of bytes to reserve
107  * in each chained packet element. If necessary, override the default
108  * here.
109  */
110 #define CVMX_HELPER_NOT_FIRST_MBUFF_SKIP 0
111 
112 /*
113  * CVMX_HELPER_ENABLE_BACK_PRESSURE controls whether back pressure is
114  * enabled for all input ports. This controls if IPD sends
115  * backpressure to all ports if Octeon's FPA pools don't have enough
116  * packet or work queue entries. Even when this is off, it is still
117  * possible to get backpressure from individual hardware ports. When
118  * configuring backpressure, also check
119  * CVMX_HELPER_DISABLE_*_BACKPRESSURE below. If necessary, override
120  * the default here.
121  */
122 #define CVMX_HELPER_ENABLE_BACK_PRESSURE 1
123 
124 /*
125  * CVMX_HELPER_ENABLE_IPD controls if the IPD is enabled in the helper
126  * function. Once it is enabled the hardware starts accepting
127  * packets. You might want to skip the IPD enable if configuration
128  * changes are need from the default helper setup. If necessary,
129  * override the default here.
130  */
131 #define CVMX_HELPER_ENABLE_IPD 0
132 
133 /*
134  * CVMX_HELPER_INPUT_TAG_TYPE selects the type of tag that the IPD assigns
135  * to incoming packets.
136  */
137 #define CVMX_HELPER_INPUT_TAG_TYPE CVMX_POW_TAG_TYPE_ORDERED
138 
139 #define CVMX_ENABLE_PARAMETER_CHECKING 0
140 
141 /*
142  * The following select which fields are used by the PIP to generate
143  * the tag on INPUT
144  * 0: don't include
145  * 1: include
146  */
147 #define CVMX_HELPER_INPUT_TAG_IPV6_SRC_IP 0
148 #define CVMX_HELPER_INPUT_TAG_IPV6_DST_IP 0
149 #define CVMX_HELPER_INPUT_TAG_IPV6_SRC_PORT 0
150 #define CVMX_HELPER_INPUT_TAG_IPV6_DST_PORT 0
151 #define CVMX_HELPER_INPUT_TAG_IPV6_NEXT_HEADER 0
152 #define CVMX_HELPER_INPUT_TAG_IPV4_SRC_IP 0
153 #define CVMX_HELPER_INPUT_TAG_IPV4_DST_IP 0
154 #define CVMX_HELPER_INPUT_TAG_IPV4_SRC_PORT 0
155 #define CVMX_HELPER_INPUT_TAG_IPV4_DST_PORT 0
156 #define CVMX_HELPER_INPUT_TAG_IPV4_PROTOCOL 0
157 #define CVMX_HELPER_INPUT_TAG_INPUT_PORT 1
158 
159 /* Select skip mode for input ports */
160 #define CVMX_HELPER_INPUT_PORT_SKIP_MODE CVMX_PIP_PORT_CFG_MODE_SKIPL2
161 
162 /*
163  * Force backpressure to be disabled. This overrides all other
164  * backpressure configuration.
165  */
166 #define CVMX_HELPER_DISABLE_RGMII_BACKPRESSURE 0
167 
168 #endif /* __CVMX_CONFIG_H__ */