+++ /dev/null
-/*
- * ltt/probes/net-trace.c
- *
- * Net tracepoint probes.
- *
- * (C) Copyright 2009 - Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
- * Dual LGPL v2.1/GPL v2 license.
- */
-
-#include <linux/module.h>
-#include <linux/netdevice.h>
-#include <linux/string.h>
-#include <trace/net.h>
-#include <trace/ipv4.h>
-#include <trace/ipv6.h>
-#include <trace/socket.h>
-
-#include "../ltt-type-serializer.h"
-
-void probe_net_dev_xmit(void *_data, struct sk_buff *skb);
-
-DEFINE_MARKER_TP(net, dev_xmit, net_dev_xmit, probe_net_dev_xmit,
- "skb %p protocol #n2u%hu");
-
-notrace void probe_net_dev_xmit(void *_data, struct sk_buff *skb)
-{
- struct marker *marker;
- struct serialize_long_short data;
-
- data.f1 = (unsigned long)skb;
- data.f2 = skb->protocol;
-
- marker = &GET_MARKER(net, dev_xmit);
- ltt_specialized_trace(marker, marker->single.probe_private,
- &data, serialize_sizeof(data), sizeof(long));
-}
-
-void probe_net_dev_receive(void *_data, struct sk_buff *skb);
-
-DEFINE_MARKER_TP(net, dev_receive, net_dev_receive, probe_net_dev_receive,
- "skb %p protocol #n2u%hu");
-
-notrace void probe_net_dev_receive(void *_data, struct sk_buff *skb)
-{
- struct marker *marker;
- struct serialize_long_short data;
-
- data.f1 = (unsigned long)skb;
- data.f2 = skb->protocol;
-
- marker = &GET_MARKER(net, dev_receive);
- ltt_specialized_trace(marker, marker->single.probe_private,
- &data, serialize_sizeof(data), sizeof(long));
-}
-
-void probe_ipv4_addr_add(void *_data, struct in_ifaddr *ifa)
-{
- trace_mark_tp(netif_state, insert_ifa_ipv4, ipv4_addr_add,
- probe_ipv4_addr_add, "label %s address #4u%u",
- ifa->ifa_label, (unsigned int)ifa->ifa_address);
-}
-
-void probe_ipv4_addr_del(void *_data, struct in_ifaddr *ifa)
-{
- trace_mark_tp(netif_state, del_ifa_ipv4, ipv4_addr_del,
- probe_ipv4_addr_del, "label %s address #4u%u",
- ifa->ifa_label, (unsigned int)ifa->ifa_address);
-}
-
-void probe_ipv6_addr_add(void *_data, struct inet6_ifaddr *ifa)
-{
- __u8 *addr = ifa->addr.s6_addr;
-
- trace_mark_tp(netif_state, insert_ifa_ipv6, ipv6_addr_add,
- probe_ipv6_addr_add,
- "label %s "
- "a15 #1x%c a14 #1x%c a13 #1x%c a12 #1x%c "
- "a11 #1x%c a10 #1x%c a9 #1x%c a8 #1x%c "
- "a7 #1x%c a6 #1x%c a5 #1x%c a4 #1x%c "
- "a3 #1x%c a2 #1x%c a1 #1x%c a0 #1x%c",
- ifa->idev->dev->name,
- addr[15], addr[14], addr[13], addr[12],
- addr[11], addr[10], addr[9], addr[8],
- addr[7], addr[6], addr[5], addr[4],
- addr[3], addr[2], addr[1], addr[0]);
-}
-
-void probe_ipv6_addr_del(void *_data, struct inet6_ifaddr *ifa)
-{
- __u8 *addr = ifa->addr.s6_addr;
-
- trace_mark_tp(netif_state, insert_ifa_ipv6, ipv6_addr_del,
- probe_ipv6_addr_del,
- "label %s "
- "a15 #1x%c a14 #1x%c a13 #1x%c a12 #1x%c "
- "a11 #1x%c a10 #1x%c a9 #1x%c a8 #1x%c "
- "a7 #1x%c a6 #1x%c a5 #1x%c a4 #1x%c "
- "a3 #1x%c a2 #1x%c a1 #1x%c a0 #1x%c",
- ifa->idev->dev->name,
- addr[15], addr[14], addr[13], addr[12],
- addr[11], addr[10], addr[9], addr[8],
- addr[7], addr[6], addr[5], addr[4],
- addr[3], addr[2], addr[1], addr[0]);
-}
-
-void probe_socket_create(void *_data, int family, int type, int protocol,
- struct socket *sock, int ret)
-{
- trace_mark_tp(net, socket_create, socket_create, probe_socket_create,
- "family %d type %d protocol %d sock %p ret %d",
- family, type, protocol, sock, ret);
-}
-
-void probe_socket_bind(void *_data, int fd, struct sockaddr __user *umyaddr, int addrlen,
- int ret)
-{
- trace_mark_tp(net, socket_bind, socket_bind, probe_socket_bind,
- "fd %d umyaddr %p addrlen %d ret %d",
- fd, umyaddr, addrlen, ret);
-}
-
-void probe_socket_connect(void *_data, int fd, struct sockaddr __user *uservaddr,
- int addrlen, int ret)
-{
- trace_mark_tp(net, socket_connect, socket_connect, probe_socket_connect,
- "fd %d uservaddr %p addrlen %d ret %d",
- fd, uservaddr, addrlen, ret);
-}
-
-void probe_socket_listen(void *_data, int fd, int backlog, int ret)
-{
- trace_mark_tp(net, socket_listen, socket_listen, probe_socket_listen,
- "fd %d backlog %d ret %d",
- fd, backlog, ret);
-}
-
-void probe_socket_accept(void *_data, int fd, struct sockaddr __user *upeer_sockaddr,
- int __user *upeer_addrlen, int flags, int ret)
-{
- trace_mark_tp(net, socket_accept, socket_accept, probe_socket_accept,
- "fd %d upeer_sockaddr %p upeer_addrlen %p flags %d ret %d",
- fd, upeer_sockaddr, upeer_addrlen, flags, ret);
-}
-
-void probe_socket_getsockname(void *_data, int fd, struct sockaddr __user *usockaddr,
- int __user *usockaddr_len, int ret)
-{
- trace_mark_tp(net, socket_getsockname, socket_getsockname,
- probe_socket_getsockname,
- "fd %d usockaddr %p usockaddr_len %p ret %d",
- fd, usockaddr, usockaddr_len, ret);
-}
-
-void probe_socket_getpeername(void *_data, int fd, struct sockaddr __user *usockaddr,
- int __user *usockaddr_len, int ret)
-{
- trace_mark_tp(net, socket_getpeername, socket_getpeername,
- probe_socket_getpeername,
- "fd %d usockaddr %p usockaddr_len %p ret %d",
- fd, usockaddr, usockaddr_len, ret);
-}
-
-void probe_socket_socketpair(void *_data, int family, int type, int protocol,
- int __user *usockvec, int ret)
-{
- trace_mark_tp(net, socket_socketpair, socket_socketpair,
- probe_socket_socketpair,
- "family %d type %d protocol %d usockvec %p ret %d",
- family, type, protocol, usockvec, ret);
-}
-
-void probe_socket_sendmsg(void *_data, struct socket *sock, struct msghdr *msg, size_t size,
- int ret);
-
-DEFINE_MARKER_TP(net, socket_sendmsg, net_socket_sendmsg,
- probe_socket_sendmsg,
- "sock %p msg %p size %zu ret %d");
-
-notrace void probe_socket_sendmsg(void *_data, struct socket *sock, struct msghdr *msg,
- size_t size, int ret)
-{
- struct marker *marker;
- struct serialize_long_long_sizet_int data;
-
- data.f1 = (unsigned long)sock;
- data.f2 = (unsigned long)msg;
- data.f3 = size;
- data.f4 = ret;
-
- marker = &GET_MARKER(net, socket_sendmsg);
- ltt_specialized_trace(marker, marker->single.probe_private,
- &data, serialize_sizeof(data), sizeof(size_t));
-}
-
-void probe_socket_recvmsg(void *_data, struct socket *sock, struct msghdr *msg, size_t size,
- int flags, int ret);
-
-DEFINE_MARKER_TP(net, socket_recvmsg, net_socket_recvmsg,
- probe_socket_recvmsg,
- "sock %p msg %p size %zu flags %d ret %d");
-
-notrace void probe_socket_recvmsg(void *_data, struct socket *sock, struct msghdr *msg,
- size_t size, int flags, int ret)
-{
- struct marker *marker;
- struct serialize_long_long_sizet_int_int data;
-
- data.f1 = (unsigned long)sock;
- data.f2 = (unsigned long)msg;
- data.f3 = size;
- data.f4 = flags;
- data.f5 = ret;
-
- marker = &GET_MARKER(net, socket_recvmsg);
- ltt_specialized_trace(marker, marker->single.probe_private,
- &data, serialize_sizeof(data), sizeof(size_t));
-}
-
-void probe_socket_setsockopt(void *_data, int fd, int level, int optname,
- char __user *optval, int optlen, int ret)
-{
- trace_mark_tp(net, socket_setsockopt, socket_setsockopt,
- probe_socket_setsockopt,
- "fd %d level %d optname %d optval %p optlen %d ret %d",
- fd, level, optname, optval, optlen, ret);
-}
-
-void probe_socket_getsockopt(void *_data, int fd, int level, int optname,
- char __user *optval, int __user *optlen, int ret)
-{
- trace_mark_tp(net, socket_getsockopt, socket_getsockopt,
- probe_socket_getsockopt,
- "fd %d level %d optname %d optval %p optlen %p ret %d",
- fd, level, optname, optval, optlen, ret);
-}
-
-void probe_socket_shutdown(void *_data, int fd, int how, int ret)
-{
- trace_mark_tp(net, socket_shutdown, socket_shutdown,
- probe_socket_shutdown,
- "fd %d how %d ret %d",
- fd, how, ret);
-}
-
-void probe_socket_call(void *_data, int call, unsigned long a0)
-{
- trace_mark_tp(net, socket_call, socket_call, probe_socket_call,
- "call %d a0 %lu", call, a0);
-}
-
-void probe_tcpv4_rcv(void *_data, struct sk_buff *skb);
-
-DEFINE_MARKER_TP(net, tcpv4_rcv, net_tcpv4_rcv, probe_tcpv4_rcv,
- "skb %p");
-
-notrace void probe_tcpv4_rcv(void *_data, struct sk_buff *skb)
-{
- struct marker *marker;
-
- marker = &GET_MARKER(net, tcpv4_rcv);
- ltt_specialized_trace(marker, marker->single.probe_private,
- &skb, sizeof(skb), sizeof(skb));
-}
-
-void probe_udpv4_rcv(void *_data, struct sk_buff *skb);
-
-DEFINE_MARKER_TP(net, udpv4_rcv, net_udpv4_rcv, probe_udpv4_rcv,
- "skb %p");
-
-notrace void probe_udpv4_rcv(void *_data, struct sk_buff *skb)
-{
- struct marker *marker;
-
- marker = &GET_MARKER(net, udpv4_rcv);
- ltt_specialized_trace(marker, marker->single.probe_private,
- &skb, sizeof(skb), sizeof(skb));
-}
-
-#ifdef CONFIG_NETPOLL
-void probe_net_napi_schedule(void *_data, struct napi_struct *n);
-
-DEFINE_MARKER_TP(net, napi_schedule, net_napi_schedule,
- probe_net_napi_schedule,
- "napi_struct %p name %s");
-
-notrace void probe_net_napi_schedule(void *_data, struct napi_struct *n)
-{
- struct marker *marker;
- struct serialize_long_ifname data;
- size_t data_len = 0;
-
- data.f1 = (unsigned long)n;
- data_len += sizeof(data.f1);
- /* No need to align for strings */
- strcpy(data.f2, n->dev ? n->dev->name : "<unk>");
- data_len += strlen(data.f2) + 1;
-
- marker = &GET_MARKER(net, napi_schedule);
- ltt_specialized_trace(marker, marker->single.probe_private,
- &data, data_len, sizeof(long));
-}
-
-void probe_net_napi_poll(void *_data, struct napi_struct *n);
-
-DEFINE_MARKER_TP(net, napi_poll, net_napi_poll,
- probe_net_napi_poll,
- "napi_struct %p name %s");
-
-notrace void probe_net_napi_poll(void *_data, struct napi_struct *n)
-{
- struct marker *marker;
- struct serialize_long_ifname data;
- size_t data_len = 0;
-
- data.f1 = (unsigned long)n;
- data_len += sizeof(data.f1);
- /* No need to align for strings */
- strcpy(data.f2, n->dev ? n->dev->name : "<unk>");
- data_len += strlen(data.f2) + 1;
-
- marker = &GET_MARKER(net, napi_poll);
- ltt_specialized_trace(marker, marker->single.probe_private,
- &data, data_len, sizeof(long));
-}
-
-void probe_net_napi_complete(void *_data, struct napi_struct *n);
-
-DEFINE_MARKER_TP(net, napi_complete, net_napi_complete,
- probe_net_napi_complete,
- "napi_struct %p name %s");
-
-notrace void probe_net_napi_complete(void *_data, struct napi_struct *n)
-{
- struct marker *marker;
- struct serialize_long_ifname data;
- size_t data_len = 0;
-
- data.f1 = (unsigned long)n;
- data_len += sizeof(data.f1);
- /* No need to align for strings */
- strcpy(data.f2, n->dev ? n->dev->name : "<unk>");
- data_len += strlen(data.f2) + 1;
-
- marker = &GET_MARKER(net, napi_complete);
- ltt_specialized_trace(marker, marker->single.probe_private,
- &data, data_len, sizeof(long));
-}
-#else /* !CONFIG_NETPOLL */
-void probe_net_napi_schedule(void *_data, struct napi_struct *n);
-
-DEFINE_MARKER_TP(net, napi_schedule, net_napi_schedule,
- probe_net_napi_schedule,
- "napi_struct %p");
-
-notrace void probe_net_napi_schedule(void *_data, struct napi_struct *n)
-{
- struct marker *marker;
- unsigned long data;
-
- data = (unsigned long)n;
-
- marker = &GET_MARKER(net, napi_schedule);
- ltt_specialized_trace(marker, marker->single.probe_private,
- &data, sizeof(data), sizeof(data));
-}
-
-void probe_net_napi_poll(void *_data, struct napi_struct *n);
-
-DEFINE_MARKER_TP(net, napi_poll, net_napi_poll,
- probe_net_napi_poll,
- "napi_struct %p");
-
-notrace void probe_net_napi_poll(void *_data, struct napi_struct *n)
-{
- struct marker *marker;
- unsigned long data;
-
- data = (unsigned long)n;
-
- marker = &GET_MARKER(net, napi_poll);
- ltt_specialized_trace(marker, marker->single.probe_private,
- &data, sizeof(data), sizeof(data));
-}
-
-void probe_net_napi_complete(void *_data, struct napi_struct *n);
-
-DEFINE_MARKER_TP(net, napi_complete, net_napi_complete,
- probe_net_napi_complete,
- "napi_struct %p");
-
-notrace void probe_net_napi_complete(void *_data, struct napi_struct *n)
-{
- struct marker *marker;
- unsigned long data;
-
- data = (unsigned long)n;
-
- marker = &GET_MARKER(net, napi_complete);
- ltt_specialized_trace(marker, marker->single.probe_private,
- &data, sizeof(data), sizeof(data));
-}
-#endif
-
-MODULE_LICENSE("GPL and additional rights");
-MODULE_AUTHOR("Mathieu Desnoyers");
-MODULE_DESCRIPTION("Net Tracepoint Probes");
projects / lttng-modules.git / blobdiff