| 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
| 2 | #undef TRACE_SYSTEM |
| 3 | #define TRACE_SYSTEM skb |
| 4 | |
| 5 | #if !defined(LTTNG_TRACE_SKB_H) || defined(TRACE_HEADER_MULTI_READ) |
| 6 | #define LTTNG_TRACE_SKB_H |
| 7 | |
| 8 | #include <lttng/tracepoint-event.h> |
| 9 | #include <linux/skbuff.h> |
| 10 | #include <linux/netdevice.h> |
| 11 | #include <lttng/kernel-version.h> |
| 12 | |
| 13 | /* |
| 14 | * Tracepoint for free an sk_buff: |
| 15 | */ |
| 16 | #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,17,0) \ |
| 17 | || LTTNG_KERNEL_RANGE(5,15,58, 5,16,0)) |
| 18 | LTTNG_TRACEPOINT_ENUM(skb_drop_reason, |
| 19 | TP_ENUM_VALUES( |
| 20 | ctf_enum_value("NOT_SPECIFIED", SKB_DROP_REASON_NOT_SPECIFIED) |
| 21 | ctf_enum_value("NO_SOCKET", SKB_DROP_REASON_NO_SOCKET) |
| 22 | ctf_enum_value("PKT_TOO_SMALL", SKB_DROP_REASON_PKT_TOO_SMALL) |
| 23 | ctf_enum_value("TCP_CSUM", SKB_DROP_REASON_TCP_CSUM) |
| 24 | ctf_enum_value("SOCKET_FILTER", SKB_DROP_REASON_SOCKET_FILTER) |
| 25 | ctf_enum_value("UDP_CSUM", SKB_DROP_REASON_UDP_CSUM) |
| 26 | ctf_enum_value("MAX", SKB_DROP_REASON_MAX) |
| 27 | ) |
| 28 | ) |
| 29 | #elif (LTTNG_RHEL_KERNEL_RANGE(5,14,0,70,0,0, 5,15,0,0,0,0)) |
| 30 | LTTNG_TRACEPOINT_ENUM(skb_drop_reason, |
| 31 | TP_ENUM_VALUES( |
| 32 | ctf_enum_value("NOT_SPECIFIED", SKB_DROP_REASON_NOT_SPECIFIED) |
| 33 | ctf_enum_value("NO_SOCKET", SKB_DROP_REASON_NO_SOCKET) |
| 34 | ctf_enum_value("PKT_TOO_SMALL", SKB_DROP_REASON_PKT_TOO_SMALL) |
| 35 | ctf_enum_value("TCP_CSUM", SKB_DROP_REASON_TCP_CSUM) |
| 36 | ctf_enum_value("UDP_CSUM", SKB_DROP_REASON_UDP_CSUM) |
| 37 | ctf_enum_value("MAX", SKB_DROP_REASON_MAX) |
| 38 | ) |
| 39 | ) |
| 40 | #endif |
| 41 | |
| 42 | #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,17,0) \ |
| 43 | || LTTNG_KERNEL_RANGE(5,15,58, 5,16,0) \ |
| 44 | || LTTNG_RHEL_KERNEL_RANGE(5,14,0,70,0,0, 5,15,0,0,0,0)) |
| 45 | LTTNG_TRACEPOINT_EVENT_MAP(kfree_skb, |
| 46 | |
| 47 | skb_kfree, |
| 48 | |
| 49 | TP_PROTO(struct sk_buff *skb, void *location, |
| 50 | enum skb_drop_reason reason), |
| 51 | |
| 52 | TP_ARGS(skb, location, reason), |
| 53 | |
| 54 | TP_FIELDS( |
| 55 | ctf_integer_hex(void *, skbaddr, skb) |
| 56 | ctf_integer_hex(void *, location, location) |
| 57 | ctf_integer_network(unsigned short, protocol, skb->protocol) |
| 58 | ctf_enum(skb_drop_reason, uint8_t, reason, reason) |
| 59 | ) |
| 60 | ) |
| 61 | #else |
| 62 | LTTNG_TRACEPOINT_EVENT_MAP(kfree_skb, |
| 63 | |
| 64 | skb_kfree, |
| 65 | |
| 66 | TP_PROTO(struct sk_buff *skb, void *location), |
| 67 | |
| 68 | TP_ARGS(skb, location), |
| 69 | |
| 70 | TP_FIELDS( |
| 71 | ctf_integer_hex(void *, skbaddr, skb) |
| 72 | ctf_integer_hex(void *, location, location) |
| 73 | ctf_integer_network(unsigned short, protocol, skb->protocol) |
| 74 | ) |
| 75 | ) |
| 76 | #endif |
| 77 | |
| 78 | #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(6,3,0)) |
| 79 | LTTNG_TRACEPOINT_EVENT_MAP(consume_skb, |
| 80 | |
| 81 | skb_consume, |
| 82 | |
| 83 | TP_PROTO(struct sk_buff *skb, void *location), |
| 84 | |
| 85 | TP_ARGS(skb, location), |
| 86 | |
| 87 | TP_FIELDS( |
| 88 | ctf_integer_hex(void *, skbaddr, skb) |
| 89 | ctf_integer_hex(void *, location, location) |
| 90 | ) |
| 91 | ) |
| 92 | #else |
| 93 | LTTNG_TRACEPOINT_EVENT_MAP(consume_skb, |
| 94 | |
| 95 | skb_consume, |
| 96 | |
| 97 | TP_PROTO(struct sk_buff *skb), |
| 98 | |
| 99 | TP_ARGS(skb), |
| 100 | |
| 101 | TP_FIELDS( |
| 102 | ctf_integer_hex(void *, skbaddr, skb) |
| 103 | ) |
| 104 | ) |
| 105 | #endif |
| 106 | |
| 107 | LTTNG_TRACEPOINT_EVENT(skb_copy_datagram_iovec, |
| 108 | |
| 109 | TP_PROTO(const struct sk_buff *skb, int len), |
| 110 | |
| 111 | TP_ARGS(skb, len), |
| 112 | |
| 113 | TP_FIELDS( |
| 114 | ctf_integer_hex(const void *, skbaddr, skb) |
| 115 | ctf_integer(int, len, len) |
| 116 | ) |
| 117 | ) |
| 118 | |
| 119 | #endif /* LTTNG_TRACE_SKB_H */ |
| 120 | |
| 121 | /* This part must be outside protection */ |
| 122 | #include <lttng/define_trace.h> |