projects / lttng-modules.git / blame
| Commit | Line | Data |
|---|---|---|
| 9f36eaed | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| b283666f PW |
2 | #undef TRACE_SYSTEM |
| 3 | #define TRACE_SYSTEM skb | |
| 4 | ||
| 3bc29f0a MD |
5 | #if !defined(LTTNG_TRACE_SKB_H) || defined(TRACE_HEADER_MULTI_READ) |
| 6 | #define LTTNG_TRACE_SKB_H | |
| b283666f | 7 | |
| 6ec43db8 | 8 | #include <probes/lttng-tracepoint-event.h> |
| b283666f PW |
9 | #include <linux/skbuff.h> |
| 10 | #include <linux/netdevice.h> | |
| 2d042821 | 11 | #include <lttng-kernel-version.h> |
| b283666f PW |
12 | |
| 13 | /* | |
| 14 | * Tracepoint for free an sk_buff: | |
| 15 | */ | |
| b283e56f MD |
16 | #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,17,0) \ |
| 17 | || LTTNG_KERNEL_RANGE(5,15,58, 5,16,0)) | |
| 18 | ||
| 2125da0d MJ |
19 | LTTNG_TRACEPOINT_ENUM(skb_drop_reason, |
| 20 | TP_ENUM_VALUES( | |
| 21 | ctf_enum_value("NOT_SPECIFIED", SKB_DROP_REASON_NOT_SPECIFIED) | |
| 22 | ctf_enum_value("NO_SOCKET", SKB_DROP_REASON_NO_SOCKET) | |
| 23 | ctf_enum_value("PKT_TOO_SMALL", SKB_DROP_REASON_PKT_TOO_SMALL) | |
| 24 | ctf_enum_value("TCP_CSUM", SKB_DROP_REASON_TCP_CSUM) | |
| d310ab4e | 25 | ctf_enum_value("SOCKET_FILTER", SKB_DROP_REASON_SOCKET_FILTER) |
| 2125da0d MJ |
26 | ctf_enum_value("UDP_CSUM", SKB_DROP_REASON_UDP_CSUM) |
| 27 | ctf_enum_value("MAX", SKB_DROP_REASON_MAX) | |
| 28 | ) | |
| 29 | ) | |
| 30 | ||
| 31 | LTTNG_TRACEPOINT_EVENT_MAP(kfree_skb, | |
| 32 | ||
| 33 | skb_kfree, | |
| 34 | ||
| 35 | TP_PROTO(struct sk_buff *skb, void *location, | |
| 36 | enum skb_drop_reason reason), | |
| 37 | ||
| 38 | TP_ARGS(skb, location, reason), | |
| 39 | ||
| 40 | TP_FIELDS( | |
| 41 | ctf_integer_hex(void *, skbaddr, skb) | |
| 42 | ctf_integer_hex(void *, location, location) | |
| 43 | ctf_integer_network(unsigned short, protocol, skb->protocol) | |
| 44 | ctf_enum(skb_drop_reason, uint8_t, reason, reason) | |
| 45 | ) | |
| 46 | ) | |
| 47 | #else | |
| 3bc29f0a | 48 | LTTNG_TRACEPOINT_EVENT_MAP(kfree_skb, |
| 9cf29d3e MD |
49 | |
| 50 | skb_kfree, | |
| b283666f PW |
51 | |
| 52 | TP_PROTO(struct sk_buff *skb, void *location), | |
| 53 | ||
| 54 | TP_ARGS(skb, location), | |
| 55 | ||
| f127e61e | 56 | TP_FIELDS( |
| fa91fcac MD |
57 | ctf_integer_hex(void *, skbaddr, skb) |
| 58 | ctf_integer_hex(void *, location, location) | |
| f127e61e MD |
59 | ctf_integer_network(unsigned short, protocol, skb->protocol) |
| 60 | ) | |
| b283666f | 61 | ) |
| 2125da0d | 62 | #endif |
| b283666f | 63 | |
| 3bc29f0a | 64 | LTTNG_TRACEPOINT_EVENT_MAP(consume_skb, |
| 9cf29d3e MD |
65 | |
| 66 | skb_consume, | |
| b283666f PW |
67 | |
| 68 | TP_PROTO(struct sk_buff *skb), | |
| 69 | ||
| 70 | TP_ARGS(skb), | |
| 71 | ||
| f127e61e | 72 | TP_FIELDS( |
| fa91fcac | 73 | ctf_integer_hex(void *, skbaddr, skb) |
| f127e61e | 74 | ) |
| b283666f PW |
75 | ) |
| 76 | ||
| 3bc29f0a | 77 | LTTNG_TRACEPOINT_EVENT(skb_copy_datagram_iovec, |
| b283666f PW |
78 | |
| 79 | TP_PROTO(const struct sk_buff *skb, int len), | |
| 80 | ||
| 81 | TP_ARGS(skb, len), | |
| 82 | ||
| f127e61e | 83 | TP_FIELDS( |
| fa91fcac | 84 | ctf_integer_hex(const void *, skbaddr, skb) |
| f127e61e MD |
85 | ctf_integer(int, len, len) |
| 86 | ) | |
| b283666f PW |
87 | ) |
| 88 | ||
| 3bc29f0a | 89 | #endif /* LTTNG_TRACE_SKB_H */ |
| b283666f PW |
90 | |
| 91 | /* This part must be outside protection */ | |
| 6ec43db8 | 92 | #include <probes/define_trace.h> |