tracepoint: Refactor representation of nested types
[lttng-modules.git] / instrumentation / events / lttng-module / net.h
index e33959a2efa1a1d30788417027231dcc8af2b530..55aba4e0c99634d3b098957c0721f44cce4e6e0e 100644 (file)
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM net
 
@@ -10,6 +11,8 @@
 #include <linux/ip.h>
 #include <linux/ipv6.h>
 #include <linux/tcp.h>
+#include <linux/udp.h>
+#include <linux/icmp.h>
 #include <linux/version.h>
 #include <lttng-endian.h>
 #include <net/sock.h>
@@ -20,8 +23,8 @@
 static inline unsigned char __has_network_hdr(struct sk_buff *skb)
 {
        /*
-        * If the header is not set yet,
-        * the network header will point to the head.
+        * If the header is not set yet, the network header will point
+        * to the head.
         */
        return skb_network_header(skb) != skb->head;
 }
@@ -29,61 +32,380 @@ static inline unsigned char __has_network_hdr(struct sk_buff *skb)
 static struct lttng_event_field emptyfields[] = {
 };
 
+/* Structures for transport headers. */
+
+static struct lttng_event_field tcpfields[] = {
+       [0] = {
+               .name = "source_port",
+               .type = __type_integer(uint16_t, 0, 0, 0,
+                               __BIG_ENDIAN, 10, none),
+       },
+       [1] = {
+               .name = "dest_port",
+               .type = __type_integer(uint16_t, 0, 0, 0,
+                               __BIG_ENDIAN, 10, none),
+       },
+       [2] = {
+               .name = "seq",
+               .type = __type_integer(uint32_t, 0, 0, 0,
+                               __BIG_ENDIAN, 10, none),
+       },
+       [3] = {
+               .name = "ack_seq",
+               .type = __type_integer(uint32_t, 0, 0, 0,
+                               __BIG_ENDIAN, 10, none),
+       },
+       [4] = {
+               .name = "data_offset",
+               .type = __type_integer(uint8_t, 4, 4, 0,
+                               __BIG_ENDIAN, 10, none),
+       },
+       [5] = {
+               .name = "reserved",
+               .type = __type_integer(uint8_t, 3, 1, 0,
+                               __BIG_ENDIAN, 10, none),
+       },
+       [6] = {
+               .name = "flags",
+               .type = __type_integer(uint8_t, 9, 1, 0,
+                               __BIG_ENDIAN, 16, none),
+       },
+       [7] = {
+               .name = "window_size",
+               .type = __type_integer(uint16_t, 0, 0, 0,
+                               __BIG_ENDIAN, 10, none),
+       },
+       [8] = {
+               .name = "checksum",
+               .type = __type_integer(uint16_t, 0, 0, 0,
+                               __BIG_ENDIAN, 16, none),
+       },
+       [9] = {
+               .name = "urg_ptr",
+               .type = __type_integer(uint16_t, 0, 0, 0,
+                               __BIG_ENDIAN, 10, none),
+       },
+};
+
+static struct lttng_event_field udpfields[] = {
+       [0] = {
+               .name = "source_port",
+               .type = __type_integer(uint16_t, 0, 0, 0,
+                               __BIG_ENDIAN, 10, none),
+       },
+       [1] = {
+               .name = "dest_port",
+               .type = __type_integer(uint16_t, 0, 0, 0,
+                               __BIG_ENDIAN, 10, none),
+       },
+       [2] = {
+               .name = "len",
+               .type = __type_integer(uint16_t, 0, 0, 0,
+                               __BIG_ENDIAN, 10, none),
+       },
+       [3] = {
+               .name = "check",
+               .type = __type_integer(uint16_t, 0, 0, 0,
+                               __BIG_ENDIAN, 10, none),
+       },
+};
+
+static struct lttng_event_field icmpfields[] = {
+       [0] = {
+               .name = "type",
+               .type = __type_integer(uint8_t, 0, 0, 0,
+                               __BIG_ENDIAN, 10, none),
+       },
+       [1] = {
+               .name = "code",
+               .type = __type_integer(uint8_t, 0, 0, 0,
+                               __BIG_ENDIAN, 10, none),
+       },
+       [2] = {
+               .name = "checksum",
+               .type = __type_integer(uint16_t, 0, 0, 0,
+                               __BIG_ENDIAN, 10, none),
+       },
+       [3] = {
+               .name = "gateway",
+               .type = __type_integer(uint32_t, 0, 0, 0,
+                               __BIG_ENDIAN, 10, none),
+       },
+};
+
+
+static struct lttng_event_field transport_fields[] = {
+       [0] = {
+               .name = "unknown",
+               .type = {
+                       .atype = atype_struct_nestable,
+                       .u.struct_nestable.nr_fields = ARRAY_SIZE(emptyfields),
+                       .u.struct_nestable.fields = emptyfields,
+                       .u.struct_nestable.alignment = 0,
+               },
+               .nofilter = 1,
+       },
+       [1] = {
+               .name = "tcp",
+               .type = {
+                       .atype = atype_struct_nestable,
+                       .u.struct_nestable.nr_fields = ARRAY_SIZE(tcpfields),
+                       .u.struct_nestable.fields = tcpfields,
+                       .u.struct_nestable.alignment = 0,
+               },
+               .nofilter = 1,
+       },
+       [2] = {
+               .name = "udp",
+               .type = {
+                       .atype = atype_struct_nestable,
+                       .u.struct_nestable.nr_fields = ARRAY_SIZE(udpfields),
+                       .u.struct_nestable.fields = udpfields,
+                       .u.struct_nestable.alignment = 0,
+               },
+               .nofilter = 1,
+       },
+       [3] = {
+               .name = "icmp",
+               .type = {
+                       .atype = atype_struct_nestable,
+                       .u.struct_nestable.nr_fields = ARRAY_SIZE(icmpfields),
+                       .u.struct_nestable.fields = icmpfields,
+                       .u.struct_nestable.alignment = 0,
+               },
+               .nofilter = 1,
+       },
+};
+
+enum transport_header_types {
+       TH_NONE = 0,
+       TH_TCP = 1,
+       TH_UDP = 2,
+       TH_ICMP = 3,
+};
+
+static inline enum transport_header_types __get_transport_header_type_ip(struct sk_buff *skb)
+{
+       switch (ip_hdr(skb)->protocol) {
+       case IPPROTO_TCP:
+               return TH_TCP;
+       case IPPROTO_UDP:
+               return TH_UDP;
+       case IPPROTO_ICMP:
+               return TH_ICMP;
+       }
+       return TH_NONE;
+}
+
+static inline enum transport_header_types __get_transport_header_type_ipv6(struct sk_buff *skb)
+{
+       switch (ipv6_hdr(skb)->nexthdr) {
+       case IPPROTO_TCP:
+               return TH_TCP;
+       case IPPROTO_UDP:
+               return TH_UDP;
+       case IPPROTO_ICMP:
+               return TH_ICMP;
+       }
+       return TH_NONE;
+}
+
+static inline enum transport_header_types __get_transport_header_type(struct sk_buff *skb)
+{
+       if (__has_network_hdr(skb)) {
+               /*
+                * When both transport and network headers are set,
+                * transport header is greater than network header,
+                * otherwise it points to head.
+                */
+               if (skb->transport_header > skb->network_header) {
+                       /*
+                        * Get the transport protocol from the network
+                        * header's data. This method works both for
+                        * sent and received packets.
+                        */
+                       if (skb->protocol == htons(ETH_P_IP)) {
+                               return __get_transport_header_type_ip(skb);
+                       } else if(skb->protocol == htons(ETH_P_IPV6)) {
+                               return __get_transport_header_type_ipv6(skb);
+                       }
+               }
+               /* Fallthrough for other cases where header is not recognized. */
+       }
+       return TH_NONE;
+}
+
+static struct lttng_enum_entry proto_transport_enum_entries[] = {
+       [0] = {
+               .start = { .value = 0, .signedness = 0, },
+               .end = { .value = IPPROTO_ICMP - 1, .signedness = 0, },
+               .string = "_unknown",
+       },
+       [1] = {
+               .start = { .value = IPPROTO_ICMP, .signedness = 0, },
+               .end = { .value = IPPROTO_ICMP, .signedness = 0, },
+               .string = "_icmp",
+       },
+       [2] = {
+               .start = { .value = IPPROTO_ICMP + 1, .signedness = 0, },
+               .end = { .value = IPPROTO_TCP - 1, .signedness = 0, },
+               .string = "_unknown",
+       },
+       [3] = {
+               .start = { .value = IPPROTO_TCP, .signedness = 0, },
+               .end = { .value = IPPROTO_TCP, .signedness = 0, },
+               .string = "_tcp",
+       },
+       [4] = {
+               .start = { .value = IPPROTO_TCP + 1, .signedness = 0, },
+               .end = { .value = IPPROTO_UDP - 1, .signedness = 0, },
+               .string = "_unknown",
+       },
+       [5] = {
+               .start = { .value = IPPROTO_UDP, .signedness = 0, },
+               .end = { .value = IPPROTO_UDP, .signedness = 0, },
+               .string = "_udp",
+       },
+       [6] = {
+               .start = { .value = IPPROTO_UDP + 1, .signedness = 0, },
+               .end = { .value = 255, .signedness = 0, },
+               .string = "_unknown",
+       },
+};
+
+static const struct lttng_enum_desc proto_transport_header_type = {
+       .name = "proto_transport_header_type",
+       .entries = proto_transport_enum_entries,
+       .nr_entries = ARRAY_SIZE(proto_transport_enum_entries),
+};
+
+static struct lttng_enum_entry transport_enum_entries[] = {
+       [0] = {
+               .start = { .value = TH_NONE, .signedness = 0, },
+               .end = { .value = TH_NONE, .signedness = 0, },
+               .string = "_unknown",
+       },
+       [1] = {
+               .start = { .value = TH_TCP, .signedness = 0, },
+               .end = { .value = TH_TCP, .signedness = 0, },
+               .string = "_tcp",
+       },
+       [2] = {
+               .start = { .value = TH_UDP, .signedness = 0, },
+               .end = { .value = TH_UDP, .signedness = 0, },
+               .string = "_udp",
+       },
+       [3] = {
+               .start = { .value = TH_ICMP, .signedness = 0, },
+               .end = { .value = TH_ICMP, .signedness = 0, },
+               .string = "_icmp",
+       },
+};
+
+static const struct lttng_enum_desc transport_header_type = {
+       .name = "transport_header_type",
+       .entries = transport_enum_entries,
+       .nr_entries = ARRAY_SIZE(transport_enum_entries),
+};
+
 /* Structures for network headers. */
 
 static struct lttng_event_field ipv4fields[] = {
        [0] = {
                .name = "version",
-               .type = __type_integer(uint8_t, 4, 4, 0, __BIG_ENDIAN, 10, none),
+               .type = __type_integer(uint8_t, 4, 4, 0,
+                               __BIG_ENDIAN, 10, none),
        },
        [1] = {
                .name = "ihl",
-               .type = __type_integer(uint8_t, 4, 4, 0, __BIG_ENDIAN, 10, none),
+               .type = __type_integer(uint8_t, 4, 4, 0,
+                               __BIG_ENDIAN, 10, none),
        },
        [2] = {
                .name = "tos",
-               .type = __type_integer(uint8_t, 0, 0, 0, __BIG_ENDIAN, 10, none),
+               .type = __type_integer(uint8_t, 0, 0, 0,
+                               __BIG_ENDIAN, 10, none),
        },
        [3] = {
                .name = "tot_len",
-               .type = __type_integer(uint16_t, 0, 0, 0, __BIG_ENDIAN, 10, none),
+               .type = __type_integer(uint16_t, 0, 0, 0,
+                               __BIG_ENDIAN, 10, none),
        },
        [4] = {
                .name = "id",
-               .type = __type_integer(uint16_t, 0, 0, 0, __BIG_ENDIAN, 16, none),
+               .type = __type_integer(uint16_t, 0, 0, 0,
+                               __BIG_ENDIAN, 16, none),
        },
        [5] = {
                .name = "frag_off",
-               .type = __type_integer(uint16_t, 0, 0, 0, __BIG_ENDIAN, 10, none),
+               .type = __type_integer(uint16_t, 0, 0, 0,
+                               __BIG_ENDIAN, 10, none),
        },
        [6] = {
                .name = "ttl",
-               .type = __type_integer(uint8_t, 0, 0, 0, __BIG_ENDIAN, 10, none),
+               .type = __type_integer(uint8_t, 0, 0, 0,
+                               __BIG_ENDIAN, 10, none),
        },
        [7] = {
                .name = "protocol",
-               .type = __type_integer(uint8_t, 0, 0, 0, __BIG_ENDIAN, 10, none),
+               .type = {
+                       .atype = atype_enum_nestable,
+                       .u.enum_nestable.desc =
+                               &proto_transport_header_type,
+                       .u.enum_nestable.container_type =
+                               __LTTNG_COMPOUND_LITERAL(struct lttng_type,
+                                       __type_integer(uint8_t, 0, 0, -1,
+                                               __BIG_ENDIAN, 10, none)),
+               },
        },
        [8] = {
                .name = "checksum",
-               .type = __type_integer(uint16_t, 0, 0, 0, __BIG_ENDIAN, 16, none),
+               .type = __type_integer(uint16_t, 0, 0, 0,
+                               __BIG_ENDIAN, 16, none),
        },
        [9] = {
                .name = "saddr",
                .type = {
-                       .atype = atype_array,
-                       .u.array.elem_type = __type_integer(uint8_t, 0, 0, 0, __BIG_ENDIAN, 10, none),
-                       .u.array.length = 4,
-                       .u.array.elem_alignment = lttng_alignof(uint8_t),
+                       .atype = atype_array_nestable,
+                       .u.array_nestable.elem_type =
+                               __LTTNG_COMPOUND_LITERAL(struct lttng_type,
+                                       __type_integer(uint8_t, 0, 0, 0,
+                                               __BIG_ENDIAN, 10, none)),
+                       .u.array_nestable.length = 4,
+                       .u.array_nestable.alignment = lttng_alignof(uint8_t),
                },
        },
        [10] = {
                .name = "daddr",
                .type = {
-                       .atype = atype_array,
-                       .u.array.elem_type = __type_integer(uint8_t, 0, 0, 0, __BIG_ENDIAN, 10, none),
-                       .u.array.length = 4,
-                       .u.array.elem_alignment = lttng_alignof(uint8_t),
+                       .atype = atype_array_nestable,
+                       .u.array_nestable.elem_type =
+                               __LTTNG_COMPOUND_LITERAL(struct lttng_type,
+                                       __type_integer(uint8_t, 0, 0, 0,
+                                               __BIG_ENDIAN, 10, none)),
+                       .u.array_nestable.length = 4,
+                       .u.array_nestable.alignment = lttng_alignof(uint8_t),
+               },
+       },
+       [11] = {
+               .name = "transport_header_type",
+               .type = {
+                       .atype = atype_enum_nestable,
+                       .u.enum_nestable.desc = &transport_header_type,
+                       .u.enum_nestable.container_type =
+                               __LTTNG_COMPOUND_LITERAL(struct lttng_type,
+                                       __type_integer(uint8_t, 0, 0, -1,
+                                               __BYTE_ORDER, 10, none)),
+               },
+       },
+       [12] = {
+               .name = "transport_header",
+               .type = {
+                       .atype = atype_variant_nestable,
+                       .u.variant_nestable.tag_name = "transport_header_type",
+                       .u.variant_nestable.choices = transport_fields,
+                       .u.variant_nestable.nr_choices = ARRAY_SIZE(transport_fields),
+                       .u.variant_nestable.alignment = 0,
                },
        },
 };
@@ -91,49 +413,91 @@ static struct lttng_event_field ipv4fields[] = {
 static struct lttng_event_field ipv6fields[] = {
        [0] = {
                .name = "version",
-               .type = __type_integer(uint8_t, 4, 4, 0, __BIG_ENDIAN, 10, none),
+               .type = __type_integer(uint8_t, 4, 4, 0,
+                               __BIG_ENDIAN, 10, none),
        },
        [1] = {
                .name = "prio",
-               .type = __type_integer(uint8_t, 4, 4, 0, __BIG_ENDIAN, 10, none),
+               .type = __type_integer(uint8_t, 4, 4, 0,
+                               __BIG_ENDIAN, 10, none),
        },
        [2] = {
                .name = "flow_lbl",
                .type = {
-                       .atype = atype_array,
-                       .u.array.elem_type = __type_integer(uint8_t, 0, 0, 0, __BIG_ENDIAN, 16, none),
-                       .u.array.length = 3,
-                       .u.array.elem_alignment = lttng_alignof(uint8_t),
+                       .atype = atype_array_nestable,
+                       .u.array_nestable.elem_type =
+                               __LTTNG_COMPOUND_LITERAL(struct lttng_type,
+                                       __type_integer(uint8_t, 0, 0, 0,
+                                               __BIG_ENDIAN, 16, none)),
+                       .u.array_nestable.length = 3,
+                       .u.array_nestable.alignment = lttng_alignof(uint8_t),
                },
        },
        [3] = {
                .name = "payload_len",
-               .type = __type_integer(uint16_t, 0, 0, 0, __BIG_ENDIAN, 10, none),
+               .type = __type_integer(uint16_t, 0, 0, 0,
+                               __BIG_ENDIAN, 10, none),
        },
        [4] = {
                .name = "nexthdr",
-               .type = __type_integer(uint8_t, 0, 0, 0, __BIG_ENDIAN, 10, none),
+               .type = {
+                       .atype = atype_enum_nestable,
+                       .u.enum_nestable.desc =
+                               &proto_transport_header_type,
+                       .u.enum_nestable.container_type =
+                               __LTTNG_COMPOUND_LITERAL(struct lttng_type,
+                                       __type_integer(uint8_t, 0, 0, -1,
+                                               __BIG_ENDIAN, 10, none)),
+               },
        },
        [5] = {
                .name = "hop_limit",
-               .type = __type_integer(uint8_t, 0, 0, 0, __BIG_ENDIAN, 10, none),
+               .type = __type_integer(uint8_t, 0, 0, 0,
+                               __BIG_ENDIAN, 10, none),
        },
        [6] = {
                .name = "saddr",
                .type = {
-                       .atype = atype_array,
-                       .u.array.elem_type = __type_integer(uint16_t, 0, 0, 0, __BIG_ENDIAN, 16, none),
-                       .u.array.length = 8,
-                       .u.array.elem_alignment = lttng_alignof(uint16_t),
+                       .atype = atype_array_nestable,
+                       .u.array_nestable.elem_type =
+                               __LTTNG_COMPOUND_LITERAL(struct lttng_type,
+                                       __type_integer(uint16_t, 0, 0, 0,
+                                               __BIG_ENDIAN, 16, none)),
+                       .u.array_nestable.length = 8,
+                       .u.array_nestable.alignment = lttng_alignof(uint16_t),
                },
        },
        [7] = {
                .name = "daddr",
                .type = {
-                       .atype = atype_array,
-                       .u.array.elem_type = __type_integer(uint16_t, 0, 0, 0, __BIG_ENDIAN, 16, none),
-                       .u.array.length = 8,
-                       .u.array.elem_alignment = lttng_alignof(uint16_t),
+                       .atype = atype_array_nestable,
+                       .u.array_nestable.elem_type =
+                               __LTTNG_COMPOUND_LITERAL(struct lttng_type,
+                                       __type_integer(uint16_t, 0, 0, 0,
+                                               __BIG_ENDIAN, 16, none)),
+                       .u.array_nestable.length = 8,
+                       .u.array_nestable.alignment = lttng_alignof(uint16_t),
+               },
+       },
+       [8] = {
+               .name = "transport_header_type",
+               .type = {
+                       .atype = atype_enum_nestable,
+                       .u.enum_nestable.desc = &transport_header_type,
+                       .u.enum_nestable.container_type =
+                               __LTTNG_COMPOUND_LITERAL(struct lttng_type,
+                                       __type_integer(uint8_t, 0, 0, -1,
+                                               __BYTE_ORDER, 10, none)),
+               },
+       },
+       [9] = {
+               .name = "transport_header",
+               .type = {
+                       .atype = atype_variant_nestable,
+                       .u.variant_nestable.tag_name = "transport_header_type",
+                       .u.variant_nestable.choices = transport_fields,
+                       .u.variant_nestable.nr_choices = ARRAY_SIZE(transport_fields),
+                       .u.variant_nestable.alignment = 0,
                },
        },
 };
@@ -142,25 +506,28 @@ static struct lttng_event_field network_fields[] = {
        [0] = {
                .name = "unknown",
                .type = {
-                       .atype = atype_struct,
-                       .u._struct.nr_fields = 0,
-                       .u._struct.fields = emptyfields,
+                       .atype = atype_struct_nestable,
+                       .u.struct_nestable.nr_fields = 0,
+                       .u.struct_nestable.fields = emptyfields,
+                       .u.struct_nestable.alignment = 0,
                },
        },
        [1] = {
                .name = "ipv4",
                .type = {
-                       .atype = atype_struct,
-                       .u._struct.nr_fields = ARRAY_SIZE(ipv4fields),
-                       .u._struct.fields = ipv4fields,
+                       .atype = atype_struct_nestable,
+                       .u.struct_nestable.nr_fields = ARRAY_SIZE(ipv4fields),
+                       .u.struct_nestable.fields = ipv4fields,
+                       .u.struct_nestable.alignment = 0,
                },
        },
        [2] = {
                .name = "ipv6",
                .type = {
-                       .atype = atype_struct,
-                       .u._struct.nr_fields = ARRAY_SIZE(ipv6fields),
-                       .u._struct.fields = ipv6fields,
+                       .atype = atype_struct_nestable,
+                       .u.struct_nestable.nr_fields = ARRAY_SIZE(ipv6fields),
+                       .u.struct_nestable.fields = ipv6fields,
+                       .u.struct_nestable.alignment = 0,
                },
        },
 };
@@ -195,30 +562,18 @@ LTTNG_TRACEPOINT_ENUM(net_network_header,
 
 LTTNG_TRACEPOINT_EVENT(net_dev_xmit,
 
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,40))
        TP_PROTO(struct sk_buff *skb,
                 int rc,
                 struct net_device *dev,
                 unsigned int skb_len),
 
        TP_ARGS(skb, rc, dev, skb_len),
-#else
-       TP_PROTO(struct sk_buff *skb,
-                int rc),
-       
-       TP_ARGS(skb, rc),
-#endif
 
        TP_FIELDS(
                ctf_integer_hex(void *, skbaddr, skb)
                ctf_integer(int, rc, rc)
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,40))
                ctf_integer(unsigned int, len, skb_len)
                ctf_string(name, dev->name)
-#else
-               ctf_integer(unsigned int, len, skb->len)
-               ctf_string(name, skb->dev->name)
-#endif
        )
 )
 
@@ -236,30 +591,78 @@ LTTNG_TRACEPOINT_EVENT_CLASS(net_dev_template,
                        network_header_type, __get_network_header_type(skb))
                ctf_custom_field(
                        ctf_custom_type(
-                               .atype = atype_variant,
-                               .u.variant.tag_name = "network_header_type",
-                               .u.variant.choices = network_fields,
-                               .u.variant.nr_choices = ARRAY_SIZE(network_fields),
+                               {
+                                       .atype = atype_variant_nestable,
+                                       .u.variant_nestable.tag_name = "network_header_type",
+                                       .u.variant_nestable.choices = network_fields,
+                                       .u.variant_nestable.nr_choices =
+                                               ARRAY_SIZE(network_fields),
+                                       .u.variant_nestable.alignment = 0,
+                               }
                        ),
                        network_header,
                        ctf_custom_code(
+                               bool has_network_header = false;
+
+                               /* Copy the network header. */
                                switch (__get_network_header_type(skb)) {
                                case NH_IPV4: {
                                        ctf_align(uint16_t)
                                        ctf_array_type(uint8_t, ip_hdr(skb),
                                                        sizeof(struct iphdr))
+                                       has_network_header = true;
                                        break;
                                }
                                case NH_IPV6: {
                                        ctf_align(uint16_t)
                                        ctf_array_type(uint8_t, ipv6_hdr(skb),
                                                        sizeof(struct ipv6hdr))
+                                       has_network_header = true;
                                        break;
                                }
                                default:
-                                       /* For any other header type, there is nothing to do. */
+                                       /*
+                                        * For any other network header
+                                        * type, there is nothing to do.
+                                        */
                                        break;
                                }
+
+                               if (has_network_header) {
+                                       enum transport_header_types th_type =
+                                               __get_transport_header_type(skb);
+
+                                       /* Transport header type field. */
+                                       ctf_integer_type(unsigned char, th_type)
+
+                                       /* Copy the transport header. */
+                                       switch (th_type) {
+                                       case TH_TCP: {
+                                               ctf_align(uint32_t)
+                                               ctf_array_type(uint8_t, tcp_hdr(skb),
+                                                               sizeof(struct tcphdr))
+                                               break;
+                                       }
+                                       case TH_UDP: {
+                                               ctf_align(uint32_t)
+                                               ctf_array_type(uint8_t, udp_hdr(skb),
+                                                               sizeof(struct udphdr))
+                                               break;
+                                       }
+                                       case TH_ICMP: {
+                                               ctf_align(uint32_t)
+                                               ctf_array_type(uint8_t, icmp_hdr(skb),
+                                                               sizeof(struct icmphdr))
+                                               break;
+                                       }
+                                       default:
+                                               /*
+                                               * For any other transport header type,
+                                               * there is nothing to do.
+                                               */
+                                               break;
+                                       }
+                               }
                        )
                )
        )
@@ -293,6 +696,175 @@ LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(net_dev_template,
 
        TP_ARGS(skb)
 )
+
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0))
+
+/* Trace events for the receive entry points */
+LTTNG_TRACEPOINT_EVENT_CLASS(net_dev_receive_entry_template,
+
+       TP_PROTO(const struct sk_buff *skb),
+
+       TP_ARGS(skb),
+
+       TP_FIELDS(
+               ctf_integer_hex(const void *, skbaddr, skb)
+       )
+)
+
+LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(net_dev_receive_entry_template,
+
+       napi_gro_frags_entry,
+
+       net_napi_gro_frags_entry,
+
+       TP_PROTO(const struct sk_buff *skb),
+
+       TP_ARGS(skb)
+)
+
+LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(net_dev_receive_entry_template,
+
+       napi_gro_receive_entry,
+
+       net_napi_gro_receive_entry,
+
+       TP_PROTO(const struct sk_buff *skb),
+
+       TP_ARGS(skb)
+)
+
+LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(net_dev_receive_entry_template,
+
+       netif_receive_skb_entry,
+
+       net_if_receive_skb_entry,
+
+       TP_PROTO(const struct sk_buff *skb),
+
+       TP_ARGS(skb)
+)
+
+LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(net_dev_receive_entry_template,
+
+       netif_rx_entry,
+
+       net_if_rx_entry,
+
+       TP_PROTO(const struct sk_buff *skb),
+
+       TP_ARGS(skb)
+)
+
+LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(net_dev_receive_entry_template,
+
+       netif_rx_ni_entry,
+
+       net_if_rx_ni_entry,
+
+       TP_PROTO(const struct sk_buff *skb),
+
+       TP_ARGS(skb)
+)
+
+#endif /* kernel > 3.14 */
+
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,19,0))
+
+LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(net_dev_receive_entry_template,
+
+       netif_receive_skb_list_entry,
+
+       net_if_receive_skb_list_entry,
+
+       TP_PROTO(const struct sk_buff *skb),
+
+       TP_ARGS(skb)
+)
+
+#endif /* kernel > 4.19 */
+
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(5,0,0))
+
+/* Trace events for the receive exit points */
+LTTNG_TRACEPOINT_EVENT_CLASS(net_dev_receive_exit_template,
+
+       TP_PROTO(int ret),
+
+       TP_ARGS(ret),
+
+       TP_FIELDS(
+               ctf_integer(int, ret, ret)
+       )
+)
+
+LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(net_dev_receive_exit_template,
+
+       napi_gro_frags_exit,
+
+       net_napi_gro_frags_exit,
+
+       TP_PROTO(int ret),
+
+       TP_ARGS(ret)
+)
+
+LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(net_dev_receive_exit_template,
+
+       napi_gro_receive_exit,
+
+       net_napi_gro_receive_exit,
+
+       TP_PROTO(int ret),
+
+       TP_ARGS(ret)
+)
+
+LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(net_dev_receive_exit_template,
+
+       netif_receive_skb_exit,
+
+       net_if_receive_skb_exit,
+
+       TP_PROTO(int ret),
+
+       TP_ARGS(ret)
+)
+
+LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(net_dev_receive_exit_template,
+
+       netif_rx_exit,
+
+       net_if_rx_exit,
+
+       TP_PROTO(int ret),
+
+       TP_ARGS(ret)
+)
+
+LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(net_dev_receive_exit_template,
+
+       netif_rx_ni_exit,
+
+       net_if_rx_ni_exit,
+
+       TP_PROTO(int ret),
+
+       TP_ARGS(ret)
+)
+
+LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(net_dev_receive_exit_template,
+
+       netif_receive_skb_list_exit,
+
+       net_if_receive_skb_list_exit,
+
+       TP_PROTO(int ret),
+
+       TP_ARGS(ret)
+)
+
+#endif /* kernel > 5.0.0 */
+
 #endif /* LTTNG_TRACE_NET_H */
 
 /* This part must be outside protection */
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