1 /* SPDX-License-Identifier: GPL-2.0 */
2
3 #if !defined(_TRACE_NET_PROBE_COMMON_H) || defined(TRACE_HEADER_MULTI_READ)
4 #define _TRACE_NET_PROBE_COMMON_H
5
6 #define TP_STORE_ADDR_PORTS_V4(__entry, inet, sk) \
7 do { \
8 struct sockaddr_in *v4 = (void *)__entry->saddr; \
9 \
10 v4->sin_family = AF_INET; \
11 v4->sin_port = inet->inet_sport; \
12 v4->sin_addr.s_addr = inet->inet_saddr; \
13 v4 = (void *)__entry->daddr; \
14 v4->sin_family = AF_INET; \
15 v4->sin_port = inet->inet_dport; \
16 v4->sin_addr.s_addr = inet->inet_daddr; \
17 } while (0)
18
19 #if IS_ENABLED(CONFIG_IPV6)
20
21 #define TP_STORE_ADDR_PORTS(__entry, inet, sk) \
22 do { \
23 if (sk->sk_family == AF_INET6) { \
24 struct sockaddr_in6 *v6 = (void *)__entry->saddr; \
25 \
26 v6->sin6_family = AF_INET6; \
27 v6->sin6_port = inet->inet_sport; \
28 v6->sin6_addr = inet6_sk(sk)->saddr; \
29 v6 = (void *)__entry->daddr; \
30 v6->sin6_family = AF_INET6; \
31 v6->sin6_port = inet->inet_dport; \
32 v6->sin6_addr = sk->sk_v6_daddr; \
33 } else \
34 TP_STORE_ADDR_PORTS_V4(__entry, inet, sk); \
35 } while (0)
36
37 #else
38
39 #define TP_STORE_ADDR_PORTS(__entry, inet, sk) \
40 TP_STORE_ADDR_PORTS_V4(__entry, inet, sk);
41
42 #endif
43
44 #define TP_STORE_V4MAPPED(__entry, saddr, daddr) \
45 do { \
46 struct in6_addr *pin6; \
47 \
48 pin6 = (struct in6_addr *)__entry->saddr_v6; \
49 ipv6_addr_set_v4mapped(saddr, pin6); \
50 pin6 = (struct in6_addr *)__entry->daddr_v6; \
51 ipv6_addr_set_v4mapped(daddr, pin6); \
52 } while (0)
53
54 #if IS_ENABLED(CONFIG_IPV6)
55 #define TP_STORE_ADDRS(__entry, saddr, daddr, saddr6, daddr6) \
56 do { \
57 if (sk->sk_family == AF_INET6) { \
58 struct in6_addr *pin6; \
59 \
60 pin6 = (struct in6_addr *)__entry->saddr_v6; \
61 *pin6 = saddr6; \
62 pin6 = (struct in6_addr *)__entry->daddr_v6; \
63 *pin6 = daddr6; \
64 } else { \
65 TP_STORE_V4MAPPED(__entry, saddr, daddr); \
66 } \
67 } while (0)
68 #else
69 #define TP_STORE_ADDRS(__entry, saddr, daddr, saddr6, daddr6) \
70 TP_STORE_V4MAPPED(__entry, saddr, daddr)
71 #endif
72
73 #define TP_STORE_ADDR_PORTS_SKB_V4(skb, protoh, entry_saddr, entry_daddr) \
74 do { \
75 struct sockaddr_in *v4 = (void *)entry_saddr; \
76 \
77 v4->sin_family = AF_INET; \
78 v4->sin_port = protoh->source; \
79 v4->sin_addr.s_addr = ip_hdr(skb)->saddr; \
80 v4 = (void *)entry_daddr; \
81 v4->sin_family = AF_INET; \
82 v4->sin_port = protoh->dest; \
83 v4->sin_addr.s_addr = ip_hdr(skb)->daddr; \
84 } while (0)
85
86 #if IS_ENABLED(CONFIG_IPV6)
87
88 #define TP_STORE_ADDR_PORTS_SKB(skb, protoh, entry_saddr, entry_daddr) \
89 do { \
90 const struct iphdr *iph = ip_hdr(skb); \
91 \
92 if (iph->version == 6) { \
93 struct sockaddr_in6 *v6 = (void *)entry_saddr; \
94 \
95 v6->sin6_family = AF_INET6; \
96 v6->sin6_port = protoh->source; \
97 v6->sin6_addr = ipv6_hdr(skb)->saddr; \
98 v6 = (void *)entry_daddr; \
99 v6->sin6_family = AF_INET6; \
100 v6->sin6_port = protoh->dest; \
101 v6->sin6_addr = ipv6_hdr(skb)->daddr; \
102 } else \
103 TP_STORE_ADDR_PORTS_SKB_V4(skb, protoh, \
104 entry_saddr, \
105 entry_daddr); \
106 } while (0)
107
108 #else
109
110 #define TP_STORE_ADDR_PORTS_SKB(skb, protoh, entry_saddr, entry_daddr) \
111 TP_STORE_ADDR_PORTS_SKB_V4(skb, protoh, entry_saddr, entry_daddr)
112
113 #endif
114
115 #endif
116
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