1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(C) 2020 Marvell International Ltd.
3 */
4
5 #ifndef __NODE_PRIVATE_H__
6 #define __NODE_PRIVATE_H__
7
8 #include <rte_common.h>
9 #include <rte_log.h>
10 #include <rte_mbuf.h>
11 #include <rte_mbuf_dyn.h>
12
13 extern int rte_node_logtype;
14 #define NODE_LOG(level, node_name, ...) \
15 rte_log(RTE_LOG_##level, rte_node_logtype, \
16 RTE_FMT("NODE %s: %s():%u " RTE_FMT_HEAD(__VA_ARGS__, ) "\n", \
17 node_name, __func__, __LINE__, \
18 RTE_FMT_TAIL(__VA_ARGS__, )))
19
20 #define node_err(node_name, ...) NODE_LOG(ERR, node_name, __VA_ARGS__)
21 #define node_info(node_name, ...) NODE_LOG(INFO, node_name, __VA_ARGS__)
22 #define node_dbg(node_name, ...) NODE_LOG(DEBUG, node_name, __VA_ARGS__)
23
24 /**
25 * Node mbuf private data to store next hop, ttl and checksum.
26 */
27 struct node_mbuf_priv1 {
28 union {
29 /* IP4 rewrite */
30 struct {
31 uint16_t nh;
32 uint16_t ttl;
33 uint32_t cksum;
34 };
35
36 uint64_t u;
37 };
38 };
39
40 static const struct rte_mbuf_dynfield node_mbuf_priv1_dynfield_desc = {
41 .name = "rte_node_dynfield_priv1",
42 .size = sizeof(struct node_mbuf_priv1),
43 .align = __alignof__(struct node_mbuf_priv1),
44 };
45 extern int node_mbuf_priv1_dynfield_offset;
46
47 /**
48 * Node mbuf private area 2.
49 */
50 struct node_mbuf_priv2 {
51 uint64_t priv_data;
52 } __rte_cache_aligned;
53
54 #define NODE_MBUF_PRIV2_SIZE sizeof(struct node_mbuf_priv2)
55
56 #define OBJS_PER_CLINE (RTE_CACHE_LINE_SIZE / sizeof(void *))
57
58 /**
59 * Get mbuf_priv1 pointer from rte_mbuf.
60 *
61 * @param
62 * Pointer to the rte_mbuf.
63 *
64 * @return
65 * Pointer to the mbuf_priv1.
66 */
67 static __rte_always_inline struct node_mbuf_priv1 *
node_mbuf_priv1(struct rte_mbuf * m,const int offset)68 node_mbuf_priv1(struct rte_mbuf *m, const int offset)
69 {
70 return RTE_MBUF_DYNFIELD(m, offset, struct node_mbuf_priv1 *);
71 }
72
73 /**
74 * Get mbuf_priv2 pointer from rte_mbuf.
75 *
76 * @param
77 * Pointer to the rte_mbuf.
78 *
79 * @return
80 * Pointer to the mbuf_priv2.
81 */
82 static __rte_always_inline struct node_mbuf_priv2 *
node_mbuf_priv2(struct rte_mbuf * m)83 node_mbuf_priv2(struct rte_mbuf *m)
84 {
85 return (struct node_mbuf_priv2 *)rte_mbuf_to_priv(m);
86 }
87
88 #endif /* __NODE_PRIVATE_H__ */
89