+/* SPDX-License-Identifier: GPL-2.0-only */
#undef TRACE_SYSTEM
#define TRACE_SYSTEM net
-#if !defined(_TRACE_NET_H) || defined(TRACE_HEADER_MULTI_READ)
-#define _TRACE_NET_H
+#if !defined(LTTNG_TRACE_NET_H) || defined(TRACE_HEADER_MULTI_READ)
+#define LTTNG_TRACE_NET_H
+#include <probes/lttng-tracepoint-event.h>
#include <linux/skbuff.h>
#include <linux/netdevice.h>
#include <linux/ip.h>
-#include <linux/tracepoint.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>
-TRACE_EVENT(net_dev_xmit,
+#ifndef ONCE_LTTNG_NET_H
+#define ONCE_LTTNG_NET_H
+
+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.
+ */
+ return skb_network_header(skb) != skb->head;
+}
+
+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),
+ },
+ [1] = {
+ .name = "ihl",
+ .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),
+ },
+ [3] = {
+ .name = "tot_len",
+ .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),
+ },
+ [5] = {
+ .name = "frag_off",
+ .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),
+ },
+ [7] = {
+ .name = "protocol",
+ .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),
+ },
+ [9] = {
+ .name = "saddr",
+ .type = {
+ .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_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,
+ },
+ },
+};
+
+static struct lttng_event_field ipv6fields[] = {
+ [0] = {
+ .name = "version",
+ .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),
+ },
+ [2] = {
+ .name = "flow_lbl",
+ .type = {
+ .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),
+ },
+ [4] = {
+ .name = "nexthdr",
+ .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),
+ },
+ [6] = {
+ .name = "saddr",
+ .type = {
+ .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_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,
+ },
+ },
+};
+
+static struct lttng_event_field network_fields[] = {
+ [0] = {
+ .name = "unknown",
+ .type = {
+ .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_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_nestable,
+ .u.struct_nestable.nr_fields = ARRAY_SIZE(ipv6fields),
+ .u.struct_nestable.fields = ipv6fields,
+ .u.struct_nestable.alignment = 0,
+ },
+ },
+};
+
+enum network_header_types {
+ NH_NONE,
+ NH_IPV4,
+ NH_IPV6,
+};
+
+static inline unsigned char __get_network_header_type(struct sk_buff *skb)
+{
+ if (__has_network_hdr(skb)) {
+ if (skb->protocol == htons(ETH_P_IPV6))
+ return NH_IPV6;
+ else if (skb->protocol == htons(ETH_P_IP))
+ return NH_IPV4;
+ /* Fallthrough for other header types. */
+ }
+ return NH_NONE;
+}
+
+#endif
+
+LTTNG_TRACEPOINT_ENUM(net_network_header,
+ TP_ENUM_VALUES(
+ ctf_enum_value("_unknown", NH_NONE)
+ ctf_enum_value("_ipv4", NH_IPV4)
+ ctf_enum_value("_ipv6", NH_IPV6)
+ )
+)
+
+LTTNG_TRACEPOINT_EVENT(net_dev_xmit,
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,0,0))
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_STRUCT__entry(
- __field( void *, skbaddr )
- __field( unsigned int, len )
- __field( int, rc )
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,0,0))
- __string( name, dev->name )
-#else
- __string( name, skb->dev->name )
-#endif
- ),
-
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,0,0))
- TP_fast_assign(
- tp_assign(skbaddr, skb);
- tp_assign(len, skb_len);
- tp_assign(rc, rc);
- tp_strcpy(name, dev->name);
- ),
-#else
- TP_fast_assign(
- tp_assign(skbaddr, skb);
- tp_assign(len, skb->len);
- tp_assign(rc, rc);
- tp_strcpy(name, skb->dev->name);
- ),
-#endif
- TP_printk("dev=%s skbaddr=%p len=%u rc=%d",
- __get_str(name), __entry->skbaddr, __entry->len, __entry->rc)
+ TP_FIELDS(
+ ctf_integer_hex(void *, skbaddr, skb)
+ ctf_integer(int, rc, rc)
+ ctf_integer(unsigned int, len, skb_len)
+ ctf_string(name, dev->name)
+ )
)
-DECLARE_EVENT_CLASS(net_dev_template,
+LTTNG_TRACEPOINT_EVENT_CLASS(net_dev_template,
TP_PROTO(struct sk_buff *skb),
TP_ARGS(skb),
- TP_STRUCT__entry(
- __field( void *, skbaddr )
- __field( unsigned int, len )
- __string( name, skb->dev->name )
- ),
+ TP_FIELDS(
+ ctf_integer_hex(void *, skbaddr, skb)
+ ctf_integer(unsigned int, len, skb->len)
+ ctf_string(name, skb->dev->name)
+ ctf_enum(net_network_header, unsigned char,
+ network_header_type, __get_network_header_type(skb))
+ ctf_custom_field(
+ ctf_custom_type(
+ {
+ .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 network header
+ * type, there is nothing to do.
+ */
+ break;
+ }
+
+ if (has_network_header) {
+ enum transport_header_types th_type =
+ __get_transport_header_type(skb);
- TP_fast_assign(
- tp_assign(skbaddr, skb);
- tp_assign(len, skb->len);
- tp_strcpy(name, skb->dev->name);
- ),
+ /* Transport header type field. */
+ ctf_integer_type(unsigned char, th_type)
- TP_printk("dev=%s skbaddr=%p len=%u",
- __get_str(name), __entry->skbaddr, __entry->len)
+ /* 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;
+ }
+ }
+ )
+ )
+ )
)
-DEFINE_EVENT(net_dev_template, net_dev_queue,
+LTTNG_TRACEPOINT_EVENT_INSTANCE(net_dev_template, net_dev_queue,
TP_PROTO(struct sk_buff *skb),
TP_ARGS(skb)
)
-DEFINE_EVENT(net_dev_template, netif_receive_skb,
+LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(net_dev_template,
+
+ netif_receive_skb,
+
+ net_if_receive_skb,
TP_PROTO(struct sk_buff *skb),
TP_ARGS(skb)
)
-DEFINE_EVENT(net_dev_template, netif_rx,
+LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(net_dev_template,
+
+ netif_rx,
+
+ net_if_rx,
TP_PROTO(struct sk_buff *skb),
TP_ARGS(skb)
)
-#endif /* _TRACE_NET_H */
+
+#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 */
-#include "../../../probes/define_trace.h"
+#include <probes/define_trace.h>
projects / lttng-modules.git / blobdiff