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/* SPDX-License-Identifier: GPL-2.0 */
#undef TRACE_SYSTEM
#define TRACE_SYSTEM cros_net
#if !defined(_TRACE_CROS_NET_H) || defined(TRACE_HEADER_MULTI_READ)
#define _TRACE_CROS_NET_H
#include <linux/net.h>
#include <linux/if.h>
#include <linux/tracepoint.h>
// @rv: return value of the socket listen.
// @dev_if: bound device index.
// @type: socket type (%SOCK_STREAM, etc.).
// @port: the bind port.
#define CROS_NET_FILL_ADDR_PORT(sk, entry)\
do { \
entry->sport = sk->__sk_common.skc_num; \
entry->saddr4 = sk->__sk_common.skc_rcv_saddr; \
entry->dport = sk->__sk_common.skc_dport; \
entry->daddr4 = sk->__sk_common.skc_daddr; \
entry->protocol = sk->sk_protocol; \
} while (0)
//protocol is also avable in sk_buff
//skb_network_header from skba
// struct iphdr *ip_header = (struct iphdr *) (skb_network_header(skb))
#define CROS_IP_PROTOCOL_NAME(val) { IPPROTO_#val, #val }
#define CROS_SHOW_IP_PROTOCOL(val) \
__print_symbolic(val, \
{IPPROTO_UDP, "UDP"}, \
{IPPROTO_TCP, "TCP"}, \
{IPPROTO_ICMP, "ICMP"}, \
{IPPROTO_RAW, "RAW"})
TRACE_EVENT(cros_ip6_finish_output2_enter,
TP_PROTO(struct net *net, struct sock *sk, struct sk_buff *skb),
TP_ARGS(net, sk, skb),
TP_STRUCT__entry(
__array(__u8, saddr, 16)
__array(__u8, daddr, 16)
__array(char, dev_name, IFNAMSIZ)
),
TP_fast_assign(
struct ipv6hdr *ip_header = (struct ipv6hdr *)(skb_network_header(skb));
struct net_device *dev;
memmove(__entry->saddr, ip_header->saddr.in6_u.u6_addr8, 16);
memmove(__entry->daddr, ip_header->daddr.in6_u.u6_addr8, 16);
dev = ((struct dst_entry *)(skb->_skb_refdst & SKB_DST_PTRMASK))->dev;
strscpy(__entry->dev_name, dev->name, IFNAMSIZ);
),
TP_printk("do_not_depend:%pI6c %pI6c %s", __entry->saddr, __entry->daddr,
__entry->dev_name))
TRACE_EVENT(cros_ip6_input_finish_enter,
TP_PROTO(struct net *net, struct sock *sk, struct sk_buff *skb),
TP_ARGS(net, sk, skb),
TP_STRUCT__entry(
__array(__u8, saddr, 16)
__array(__u8, daddr, 16)
__array(char, dev_name, IFNAMSIZ)
),
TP_fast_assign(
struct ipv6hdr *ip_header = (struct ipv6hdr *)(skb_network_header(skb));
struct net_device *dev;
memmove(__entry->saddr, ip_header->saddr.in6_u.u6_addr8, 16);
memmove(__entry->daddr, ip_header->daddr.in6_u.u6_addr8, 16);
dev = skb->dev;
strscpy(__entry->dev_name, dev->name, IFNAMSIZ);
),
TP_printk("do_not_depend:%pI6c %pI6c %s", __entry->saddr, __entry->daddr,
__entry->dev_name))
TRACE_EVENT(cros_ip_protocol_deliver_rcu_enter,
TP_PROTO(struct net *net, struct sk_buff *skb, int protocol),
TP_ARGS(net, skb, protocol),
TP_STRUCT__entry(
__field(__be32, saddr)
__field(__be32, daddr)
__array(char, dev_name, IFNAMSIZ)
__field(int, dev_if)
__field(short, source_port)
__field(short, dest_port)
__field(int, proto)
),
TP_fast_assign(
struct iphdr *ip_header = (struct iphdr *)(skb->head + skb->network_header);
char *transport = (char *)(skb->head + skb->transport_header);
struct tcphdr *tcp = (struct tcphdr *)transport;
struct udphdr *udp = (struct udphdr *)transport;
struct net_device *dev;
bool has_transport = skb->transport_header != (typeof(skb->transport_header))~0U;
__entry->saddr = ip_header->saddr;
__entry->daddr = ip_header->daddr;
__entry->proto = ip_header->protocol;
if (has_transport) {
switch (ip_header->protocol) {
case IPPROTO_TCP:
__entry->source_port = ntohs(tcp->source);
__entry->dest_port = ntohs(tcp->dest);
break;
case IPPROTO_UDP:
__entry->source_port = ntohs(udp->source);
__entry->dest_port = ntohs(udp->dest);
break;
default:
break;
};
}
dev = ((struct dst_entry *)(skb->_skb_refdst & SKB_DST_PTRMASK))->dev;
strscpy(__entry->dev_name, dev->name, IFNAMSIZ);
__entry->dev_if = dev->ifindex;
),
TP_printk("do_not_depend:%pI4 %u %pI4 %u %s %s", &__entry->saddr, __entry->source_port,
&__entry->daddr, __entry->dest_port, CROS_SHOW_IP_PROTOCOL(__entry->proto),
__entry->dev_name))
TRACE_EVENT(cros__ip_local_out_exit,
TP_PROTO(struct net *net, struct sock *sk, struct sk_buff *skb, int rv),
TP_ARGS(net, sk, skb, rv),
TP_STRUCT__entry(
__field(__be32, saddr)
__field(__be32, daddr)
__field(int, rv)
__array(char, dev_name, IFNAMSIZ)
__field(short, source_port)
__field(short, dest_port)
__field(int, proto)
),
TP_fast_assign(
struct iphdr *ip_header = (struct iphdr *)(skb->head + skb->network_header);
char *transport = (char *)(skb->head + skb->transport_header);
struct tcphdr *tcp = (struct tcphdr *)transport;
struct udphdr *udp = (struct udphdr *)transport;
struct net_device *dev;
bool has_transport = skb->transport_header != (typeof(skb->transport_header))~0U;
__entry->saddr = ip_header->saddr;
__entry->daddr = ip_header->daddr;
__entry->rv = rv;
__entry->proto = ip_header->protocol;
if (has_transport) {
switch (ip_header->protocol) {
case IPPROTO_TCP:
__entry->source_port = ntohs(tcp->source);
__entry->dest_port = ntohs(tcp->dest);
break;
case IPPROTO_UDP:
__entry->source_port = ntohs(udp->source);
__entry->dest_port = ntohs(udp->dest);
break;
default:
break;
};
}
dev = ((struct dst_entry *)(skb->_skb_refdst & SKB_DST_PTRMASK))->dev;
strscpy(__entry->dev_name, dev->name, IFNAMSIZ);
),
TP_printk("do_not_depend:%pI4 %u %pI4 %u %s %s", &__entry->saddr, __entry->source_port,
&__entry->daddr, __entry->dest_port, CROS_SHOW_IP_PROTOCOL(__entry->proto),
__entry->dev_name))
TRACE_EVENT(cros_inet_listen_exit,
/* The tracepoint signature matches the signature of inet_listen with
* addition of the return value. This is done to match the expected
* signature of an fexit bpf program.
* This is done so that a BPF application can use the same
* handler for kernels that don't support fexit for ARM64 and those
* that do.
*/
TP_PROTO(struct socket *socket, int backlog, int rv),
TP_ARGS(socket, backlog, rv),
TP_STRUCT__entry(
__field(int, dev_if)
__field(short, type)
__field(__u16, port)
),
TP_fast_assign(
__entry->dev_if = socket->sk->__sk_common.skc_bound_dev_if;
__entry->type = socket->type;
__entry->port = socket->sk->__sk_common.skc_num;
),
TP_printk(
"do_not_depend:%d %d %04d",
__entry->dev_if,
__entry->type,
__entry->port)
);
TRACE_EVENT_CONDITION(cros_inet_accept_exit,
/* The tracepoint signature matches the signature of inet_accept with
* addition of the return value. This is done to match the expected
* signature of an fexit bpf program.
* This is done so that a BPF application can use the same
* handler for kernels that don't support fexit for ARM64 and those
* that do.
*/
TP_PROTO(struct socket *sock, struct socket *newsock, int flags, bool kern, int rv),
TP_ARGS(sock, newsock, flags, kern, rv),
TP_CONDITION(newsock && newsock->sk),
TP_STRUCT__entry(
__field(__u32, saddr4)
__field(__u32, daddr4)
__field(__u16, sport)
__field(__u16, dport)
__field(__u8, protocol)
),
TP_fast_assign(
struct sock *sk = newsock->sk;
CROS_NET_FILL_ADDR_PORT(sk, __entry);
),
TP_printk(
":%pI4 %d %pI4 %d",
&__entry->saddr4,
__entry->sport,
&__entry->daddr4,
__entry->dport)
);
TRACE_EVENT_CONDITION(cros_inet_sendmsg_enter,
/* The tracepoint signature matches the signature of inet_sendmsg.
* This is done to match the expected signature of an fentry bpf program.
* This is done so that a BPF application can use the same
* handler for kernels that don't support fexit for ARM64 and those
* that do.
*/
TP_PROTO(struct socket *sock, struct msghdr *msg, size_t size),
TP_ARGS(sock, msg, size),
TP_CONDITION(sock && sock->sk),
TP_STRUCT__entry(
__field(__u32, saddr4)
__field(__u32, daddr4)
__field(__u16, sport)
__field(__u16, dport)
__field(__u8, protocol)
),
TP_fast_assign(
struct sock *sk = sock->sk;
CROS_NET_FILL_ADDR_PORT(sk, __entry);
),
TP_printk(
"do_not_depend:%pI4:%d-%pI4:%d-prot:%d",
&__entry->saddr4,
__entry->sport,
&__entry->daddr4,
__entry->dport,
__entry->protocol
)
);
TRACE_EVENT_CONDITION(cros_inet_stream_connect_exit,
/* The tracepoint signature matches the signature of inet_stream_connect
* with the addition of the return value. This is done to match the
* expected signature of an fexit bpf program.
* This is done so that a BPF application can use the same
* handler for kernels that don't support fexit for ARM64 and those
* that do.
*/
TP_PROTO(struct socket *sock, struct sockaddr *uaddr, int addr_len, int flags,
int is_sendmsg, int rv),
TP_ARGS(sock, uaddr, addr_len, flags, is_sendmsg, rv),
TP_CONDITION(sock && sock->sk),
TP_STRUCT__entry(
__field(int, is_sendmsg)
__field(__u32, saddr4)
__field(__u32, daddr4)
__field(__u16, sport)
__field(__u16, dport)
__field(__u8, protocol)
),
TP_fast_assign(
struct sock *sk = sock->sk;
CROS_NET_FILL_ADDR_PORT(sk, __entry);
__entry->is_sendmsg = is_sendmsg;
),
TP_printk(
"do_not_depend: %pI4 %d %pI4 %d prot:%d issendmsg:%d",
&__entry->saddr4,
__entry->sport,
&__entry->daddr4,
__entry->dport,
__entry->protocol,
__entry->is_sendmsg
)
);
TRACE_EVENT_CONDITION(cros_inet_sendpage_exit,
/* The tracepoint signature matches the signature of inet_sendpage with
* addition of the return value. This is done to match the expected
* signature of an fexit bpf program.
* This is done so that a BPF application can use the same
* handler for kernels that don't support fexit for ARM64 and those
* that do.
*/
TP_PROTO(struct socket *sock, struct page *page, int offset, size_t size,
int flags, int rv),
TP_ARGS(sock, page, offset, size, flags, rv),
TP_CONDITION(sock && sock->sk),
TP_STRUCT__entry(
__field(size_t, bytes_sent)
__field(__u32, saddr4)
__field(__u32, daddr4)
__field(__u16, sport)
__field(__u16, dport)
__field(__u8, protocol)
),
TP_fast_assign(
struct sock *sk = sock->sk;
CROS_NET_FILL_ADDR_PORT(sk, __entry);
__entry->bytes_sent = rv;
),
TP_printk(
"do_not_depend:%pI4 %d %pI4 %d %zu",
&__entry->saddr4,
__entry->sport,
&__entry->daddr4,
__entry->dport,
__entry->bytes_sent
)
);
TRACE_EVENT_CONDITION(cros_inet_recvmsg_exit,
/* The tracepoint signature matches the signature of inet_recvmsg with
* addition of the return value. This is done to match the expected
* signature of an fexit bpf program.
* This is done so that a BPF application can use the same
* handler for kernels that don't support fexit for ARM64 and those
* that do.
*/
TP_PROTO(struct socket *sock, struct msghdr *msg, size_t size, int flags, int rv),
TP_ARGS(sock, msg, size, flags, rv),
TP_CONDITION(sock && sock->sk),
TP_STRUCT__entry(
__field(size_t, bytes_sent)
__field(__u32, saddr4)
__field(__u32, daddr4)
__field(__u16, sport)
__field(__u16, dport)
__field(__u8, protocol)
),
TP_fast_assign(
struct sock *sk = sock->sk;
CROS_NET_FILL_ADDR_PORT(sk, __entry);
__entry->bytes_sent = rv;
),
TP_printk(
"do_not_depend:%pI4 %d %pI4 %d %zu prot:%d",
&__entry->saddr4,
__entry->sport,
&__entry->daddr4,
__entry->dport,
__entry->bytes_sent,
__entry->protocol
)
);
TRACE_EVENT_CONDITION(cros_inet_release_enter,
TP_PROTO(struct socket *sock),
TP_ARGS(sock),
TP_CONDITION(sock && sock->sk),
TP_STRUCT__entry(
__field(__u32, saddr4)
__field(__u32, daddr4)
__field(__u16, sport)
__field(__u16, dport)
__field(__u8, protocol)
),
TP_fast_assign(
struct sock *sk = sock->sk;
CROS_NET_FILL_ADDR_PORT(sk, __entry);
),
TP_printk("do_not_depend:%pI4 %d %pI4 %d",
&__entry->saddr4, __entry->sport, &__entry->daddr4, __entry->dport));
#endif // _TRACE_CROS_NET_H
/* This part must be outside protection */
#include <trace/define_trace.h>
|
