+/* SPDX-License-Identifier: GPL-2.0 */
#undef TRACE_SYSTEM
#define TRACE_SYSTEM net
#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>
},
};
+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",
.u._struct.fields = tcpfields,
},
},
+ [2] = {
+ .name = "udp",
+ .type = {
+ .atype = atype_struct,
+ .u._struct.nr_fields = ARRAY_SIZE(udpfields),
+ .u._struct.fields = udpfields,
+ },
+ },
+ [3] = {
+ .name = "icmp",
+ .type = {
+ .atype = atype_struct,
+ .u._struct.nr_fields = ARRAY_SIZE(icmpfields),
+ .u._struct.fields = icmpfields,
+ },
+ },
};
enum transport_header_types {
- TH_NONE,
- TH_TCP,
+ TH_NONE = 0,
+ TH_TCP = 1,
+ TH_UDP = 2,
+ TH_ICMP = 3,
};
-static inline unsigned char __get_transport_header_type(struct sk_buff *skb)
+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)) {
/*
* header's data. This method works both for
* sent and received packets.
*/
- if ((skb->protocol == htons(ETH_P_IP) &&
- ip_hdr(skb)->protocol == IPPROTO_TCP) ||
- (skb->protocol == htons(ETH_P_IPV6) &&
- ipv6_hdr(skb)->nexthdr == IPPROTO_TCP))
- return TH_TCP;
+ 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 TCP. */
+ /* Fallthrough for other cases where header is not recognized. */
}
return TH_NONE;
}
-static struct lttng_enum_entry transport_enum_entries[] = {
+static struct lttng_enum_entry proto_transport_enum_entries[] = {
[0] = {
.start = { .value = 0, .signedness = 0, },
- .end = { .value = IPPROTO_TCP - 1, .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",
},
- [2] = {
+ [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,
.name = "protocol",
.type = {
.atype = atype_enum,
- .u.basic.enumeration.desc = &transport_header_type,
+ .u.basic.enumeration.desc =
+ &proto_transport_header_type,
.u.basic.enumeration.container_type = {
.size = 8,
.alignment = 8,
},
},
[11] = {
+ .name = "transport_header_type",
+ .type = {
+ .atype = atype_enum,
+ .u.basic.enumeration.desc = &transport_header_type,
+ .u.basic.enumeration.container_type = {
+ .size = 8,
+ .alignment = 8,
+ .signedness = 0,
+ .reverse_byte_order = 0,
+ .base = 10,
+ .encoding = lttng_encode_none,
+ },
+ },
+ },
+ [12] = {
.name = "transport_header",
.type = {
.atype = atype_variant,
- .u.variant.tag_name = "protocol",
+ .u.variant.tag_name = "transport_header_type",
.u.variant.choices = transport_fields,
.u.variant.nr_choices = ARRAY_SIZE(transport_fields),
},
.name = "nexthdr",
.type = {
.atype = atype_enum,
- .u.basic.enumeration.desc = &transport_header_type,
+ .u.basic.enumeration.desc =
+ &proto_transport_header_type,
.u.basic.enumeration.container_type = {
.size = 8,
.alignment = 8,
},
},
[8] = {
+ .name = "transport_header_type",
+ .type = {
+ .atype = atype_enum,
+ .u.basic.enumeration.desc = &transport_header_type,
+ .u.basic.enumeration.container_type = {
+ .size = 8,
+ .alignment = 8,
+ .signedness = 0,
+ .reverse_byte_order = 0,
+ .base = 10,
+ .encoding = lttng_encode_none,
+ },
+ },
+ },
+ [9] = {
.name = "transport_header",
.type = {
.atype = atype_variant,
- .u.variant.tag_name = "nexthdr",
+ .u.variant.tag_name = "transport_header_type",
.u.variant.choices = transport_fields,
.u.variant.nr_choices = ARRAY_SIZE(transport_fields),
},
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
)
)
),
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:
break;
}
- /* Copy the transport header. */
- if (__get_transport_header_type(skb)
- == TH_TCP) {
- ctf_align(uint32_t)
- ctf_array_type(uint8_t, tcp_hdr(skb),
- sizeof(struct tcphdr))
+ 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;
+ }
}
- /*
- * For any other transport header type,
- * there is nothing to do.
- */
)
)
)
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 */
projects / lttng-modules.git / blobdiff