| | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| | 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 <probes/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_RHEL_KERNEL_RANGE(4,18,0,477,10,1, 4,19,0,0,0,0)) |
| | 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) |
| | 25 | ctf_enum_value("SOCKET_FILTER", SKB_DROP_REASON_SOCKET_FILTER) |
| | 26 | ctf_enum_value("UDP_CSUM", SKB_DROP_REASON_UDP_CSUM) |
| | 27 | ctf_enum_value("MAX", SKB_DROP_REASON_MAX) |
| | 28 | ) |
| | 29 | ) |
| | 30 | #elif (LTTNG_RHEL_KERNEL_RANGE(5,14,0,70,0,0, 5,15,0,0,0,0)) |
| | 31 | LTTNG_TRACEPOINT_ENUM(skb_drop_reason, |
| | 32 | TP_ENUM_VALUES( |
| | 33 | ctf_enum_value("NOT_SPECIFIED", SKB_DROP_REASON_NOT_SPECIFIED) |
| | 34 | ctf_enum_value("NO_SOCKET", SKB_DROP_REASON_NO_SOCKET) |
| | 35 | ctf_enum_value("PKT_TOO_SMALL", SKB_DROP_REASON_PKT_TOO_SMALL) |
| | 36 | ctf_enum_value("TCP_CSUM", SKB_DROP_REASON_TCP_CSUM) |
| | 37 | ctf_enum_value("UDP_CSUM", SKB_DROP_REASON_UDP_CSUM) |
| | 38 | ctf_enum_value("MAX", SKB_DROP_REASON_MAX) |
| | 39 | ) |
| | 40 | ) |
| | 41 | #endif |
| | 42 | |
| | 43 | #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,17,0) \ |
| | 44 | || LTTNG_KERNEL_RANGE(5,15,58, 5,16,0) \ |
| | 45 | || LTTNG_RHEL_KERNEL_RANGE(5,14,0,70,0,0, 5,15,0,0,0,0) \ |
| | 46 | || LTTNG_RHEL_KERNEL_RANGE(4,18,0,477,10,1, 4,19,0,0,0,0)) |
| | 47 | LTTNG_TRACEPOINT_EVENT_MAP(kfree_skb, |
| | 48 | |
| | 49 | skb_kfree, |
| | 50 | |
| | 51 | TP_PROTO(struct sk_buff *skb, void *location, |
| | 52 | enum skb_drop_reason reason), |
| | 53 | |
| | 54 | TP_ARGS(skb, location, reason), |
| | 55 | |
| | 56 | TP_FIELDS( |
| | 57 | ctf_integer_hex(void *, skbaddr, skb) |
| | 58 | ctf_integer_hex(void *, location, location) |
| | 59 | ctf_integer_network(unsigned short, protocol, skb->protocol) |
| | 60 | ctf_enum(skb_drop_reason, uint8_t, reason, reason) |
| | 61 | ) |
| | 62 | ) |
| | 63 | #else |
| | 64 | LTTNG_TRACEPOINT_EVENT_MAP(kfree_skb, |
| | 65 | |
| | 66 | skb_kfree, |
| | 67 | |
| | 68 | TP_PROTO(struct sk_buff *skb, void *location), |
| | 69 | |
| | 70 | TP_ARGS(skb, location), |
| | 71 | |
| | 72 | TP_FIELDS( |
| | 73 | ctf_integer_hex(void *, skbaddr, skb) |
| | 74 | ctf_integer_hex(void *, location, location) |
| | 75 | ctf_integer_network(unsigned short, protocol, skb->protocol) |
| | 76 | ) |
| | 77 | ) |
| | 78 | #endif |
| | 79 | |
| | 80 | LTTNG_TRACEPOINT_EVENT_MAP(consume_skb, |
| | 81 | |
| | 82 | skb_consume, |
| | 83 | |
| | 84 | TP_PROTO(struct sk_buff *skb), |
| | 85 | |
| | 86 | TP_ARGS(skb), |
| | 87 | |
| | 88 | TP_FIELDS( |
| | 89 | ctf_integer_hex(void *, skbaddr, skb) |
| | 90 | ) |
| | 91 | ) |
| | 92 | |
| | 93 | LTTNG_TRACEPOINT_EVENT(skb_copy_datagram_iovec, |
| | 94 | |
| | 95 | TP_PROTO(const struct sk_buff *skb, int len), |
| | 96 | |
| | 97 | TP_ARGS(skb, len), |
| | 98 | |
| | 99 | TP_FIELDS( |
| | 100 | ctf_integer_hex(const void *, skbaddr, skb) |
| | 101 | ctf_integer(int, len, len) |
| | 102 | ) |
| | 103 | ) |
| | 104 | |
| | 105 | #endif /* LTTNG_TRACE_SKB_H */ |
| | 106 | |
| | 107 | /* This part must be outside protection */ |
| | 108 | #include <probes/define_trace.h> |
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