xref: /dpdk/drivers/net/txgbe/base/txgbe_osdep.h (revision 75c85e39)
1 /* SPDX-License-Identifier: BSD-3-Clause
2  * Copyright(c) 2015-2020 Beijing WangXun Technology Co., Ltd.
3  * Copyright(c) 2010-2017 Intel Corporation
4  */
5 
6 #ifndef _TXGBE_OS_H_
7 #define _TXGBE_OS_H_
8 
9 #include <string.h>
10 #include <stdint.h>
11 #include <stdio.h>
12 #include <stdarg.h>
13 #include <rte_version.h>
14 #include <rte_common.h>
15 #include <rte_debug.h>
16 #include <rte_cycles.h>
17 #include <rte_log.h>
18 #include <rte_byteorder.h>
19 #include <rte_config.h>
20 #include <rte_io.h>
21 #include <rte_ether.h>
22 
23 #include "../txgbe_logs.h"
24 
25 #define RTE_LIBRTE_TXGBE_TM        DCPV(1, 0)
26 #define TMZ_PADDR(mz)  ((mz)->iova)
27 #define TMZ_VADDR(mz)  ((mz)->addr)
28 #define TDEV_NAME(eth_dev)  ((eth_dev)->device->name)
29 
30 #define ASSERT(x) do {			\
31 	if (!(x))			\
32 		PMD_DRV_LOG(ERR, "TXGBE: %d", x);	\
33 } while (0)
34 
35 #define txgbe_unused __rte_unused
36 
37 #define usec_delay(x) rte_delay_us(x)
38 #define msec_delay(x) rte_delay_ms(x)
39 #define usleep(x)     rte_delay_us(x)
40 #define msleep(x)     rte_delay_ms(x)
41 #define usec_stamp()    (rte_get_timer_cycles() * 1000000 / rte_get_timer_hz())
42 
43 #define FALSE               0
44 #define TRUE                1
45 
46 #define false               0
47 #define true                1
48 #define min(a, b)	RTE_MIN(a, b)
49 #define max(a, b)	RTE_MAX(a, b)
50 
51 /* Bunch of defines for shared code bogosity */
52 
UNREFERENCED(const char * a __rte_unused,...)53 static inline void UNREFERENCED(const char *a __rte_unused, ...) {}
54 #define UNREFERENCED_PARAMETER(args...) UNREFERENCED("", ##args)
55 
56 #define STATIC static
57 
58 typedef uint8_t		u8;
59 typedef int8_t		s8;
60 typedef uint16_t	u16;
61 typedef int16_t		s16;
62 typedef uint32_t	u32;
63 typedef int32_t		s32;
64 typedef uint64_t	u64;
65 typedef int64_t		s64;
66 
67 /* Little Endian defines */
68 #ifndef __le16
69 #define __le16  u16
70 #define __le32  u32
71 #define __le64  u64
72 #endif
73 #ifndef __be16
74 #define __be16  u16
75 #define __be32  u32
76 #define __be64  u64
77 #endif
78 
79 /* Bit shift and mask */
80 #define BIT_MASK4                 (0x0000000FU)
81 #define BIT_MASK8                 (0x000000FFU)
82 #define BIT_MASK16                (0x0000FFFFU)
83 #define BIT_MASK32                (0xFFFFFFFFU)
84 #define BIT_MASK64                (0xFFFFFFFFFFFFFFFFUL)
85 
86 #ifndef cpu_to_le32
87 #define cpu_to_le16(v)          rte_cpu_to_le_16((u16)(v))
88 #define cpu_to_le32(v)          rte_cpu_to_le_32((u32)(v))
89 #define cpu_to_le64(v)          rte_cpu_to_le_64((u64)(v))
90 #define le_to_cpu16(v)          rte_le_to_cpu_16((u16)(v))
91 #define le_to_cpu32(v)          rte_le_to_cpu_32((u32)(v))
92 #define le_to_cpu64(v)          rte_le_to_cpu_64((u64)(v))
93 
94 #define cpu_to_be16(v)          rte_cpu_to_be_16((u16)(v))
95 #define cpu_to_be32(v)          rte_cpu_to_be_32((u32)(v))
96 #define cpu_to_be64(v)          rte_cpu_to_be_64((u64)(v))
97 #define be_to_cpu16(v)          rte_be_to_cpu_16((u16)(v))
98 #define be_to_cpu32(v)          rte_be_to_cpu_32((u32)(v))
99 #define be_to_cpu64(v)          rte_be_to_cpu_64((u64)(v))
100 
101 #define le_to_be16(v)           rte_bswap16((u16)(v))
102 #define le_to_be32(v)           rte_bswap32((u32)(v))
103 #define le_to_be64(v)           rte_bswap64((u64)(v))
104 #define be_to_le16(v)           rte_bswap16((u16)(v))
105 #define be_to_le32(v)           rte_bswap32((u32)(v))
106 #define be_to_le64(v)           rte_bswap64((u64)(v))
107 
108 #define npu_to_le16(v)          (v)
109 #define npu_to_le32(v)          (v)
110 #define npu_to_le64(v)          (v)
111 #define le_to_npu16(v)          (v)
112 #define le_to_npu32(v)          (v)
113 #define le_to_npu64(v)          (v)
114 
115 #define npu_to_be16(v)          le_to_be16((u16)(v))
116 #define npu_to_be32(v)          le_to_be32((u32)(v))
117 #define npu_to_be64(v)          le_to_be64((u64)(v))
118 #define be_to_npu16(v)          be_to_le16((u16)(v))
119 #define be_to_npu32(v)          be_to_le32((u32)(v))
120 #define be_to_npu64(v)          be_to_le64((u64)(v))
121 #endif /* !cpu_to_le32 */
122 
REVERT_BIT_MASK16(u16 mask)123 static inline u16 REVERT_BIT_MASK16(u16 mask)
124 {
125 	mask = ((mask & 0x5555) << 1) | ((mask & 0xAAAA) >> 1);
126 	mask = ((mask & 0x3333) << 2) | ((mask & 0xCCCC) >> 2);
127 	mask = ((mask & 0x0F0F) << 4) | ((mask & 0xF0F0) >> 4);
128 	return ((mask & 0x00FF) << 8) | ((mask & 0xFF00) >> 8);
129 }
130 
REVERT_BIT_MASK32(u32 mask)131 static inline u32 REVERT_BIT_MASK32(u32 mask)
132 {
133 	mask = ((mask & 0x55555555) << 1) | ((mask & 0xAAAAAAAA) >> 1);
134 	mask = ((mask & 0x33333333) << 2) | ((mask & 0xCCCCCCCC) >> 2);
135 	mask = ((mask & 0x0F0F0F0F) << 4) | ((mask & 0xF0F0F0F0) >> 4);
136 	mask = ((mask & 0x00FF00FF) << 8) | ((mask & 0xFF00FF00) >> 8);
137 	return ((mask & 0x0000FFFF) << 16) | ((mask & 0xFFFF0000) >> 16);
138 }
139 
REVERT_BIT_MASK64(u64 mask)140 static inline u64 REVERT_BIT_MASK64(u64 mask)
141 {
142 	mask = ((mask & 0x5555555555555555) << 1) |
143 	       ((mask & 0xAAAAAAAAAAAAAAAA) >> 1);
144 	mask = ((mask & 0x3333333333333333) << 2) |
145 	       ((mask & 0xCCCCCCCCCCCCCCCC) >> 2);
146 	mask = ((mask & 0x0F0F0F0F0F0F0F0F) << 4) |
147 	       ((mask & 0xF0F0F0F0F0F0F0F0) >> 4);
148 	mask = ((mask & 0x00FF00FF00FF00FF) << 8) |
149 	       ((mask & 0xFF00FF00FF00FF00) >> 8);
150 	mask = ((mask & 0x0000FFFF0000FFFF) << 16) |
151 	       ((mask & 0xFFFF0000FFFF0000) >> 16);
152 	return ((mask & 0x00000000FFFFFFFF) << 32) |
153 	       ((mask & 0xFFFFFFFF00000000) >> 32);
154 }
155 
156 #define IOMEM
157 
158 #define prefetch(x) rte_prefetch0(x)
159 
160 #define ARRAY_SIZE(x) ((int32_t)RTE_DIM(x))
161 
162 #ifndef MAX_UDELAY_MS
163 #define MAX_UDELAY_MS 5
164 #endif
165 
166 #define ETH_ADDR_LEN	6
167 #define ETH_FCS_LEN	4
168 
169 /* Check whether address is multicast. This is little-endian specific check.*/
170 #define TXGBE_IS_MULTICAST(address) \
171 		(bool)(((u8 *)(address))[0] & ((u8)0x01))
172 
173 /* Check whether an address is broadcast. */
174 #define TXGBE_IS_BROADCAST(address) \
175 		({typeof(address)addr = (address); \
176 		(((u8 *)(addr))[0] == ((u8)0xff)) && \
177 		(((u8 *)(addr))[1] == ((u8)0xff)); })
178 
179 #define ETH_P_8021Q      0x8100
180 #define ETH_P_8021AD     0x88A8
181 
182 #endif /* _TXGBE_OS_H_ */
183