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Name	Size	Permission
arm	[ DIR ]	drwxr-xr-x
arm64	[ DIR ]	drwxr-xr-x
i386	[ DIR ]	drwxr-xr-x
ia64	[ DIR ]	drwxr-xr-x
powerpc	[ DIR ]	drwxr-xr-x
s390	[ DIR ]	drwxr-xr-x
x86_64	[ DIR ]	drwxr-xr-x
atomic.stp	1.52 KB	-rw-r--r--
aux_syscalls.stp	139.14 KB	-rw-r--r--
context-caller.stp	3.07 KB	-rw-r--r--
context-envvar.stp	1.71 KB	-rw-r--r--
context-symbols.stp	11.98 KB	-rw-r--r--
context-unwind.stp	2.81 KB	-rw-r--r--
context.stp	17.76 KB	-rw-r--r--
context.stpm	125 B	-rw-r--r--
conversions-guru.stp	5.56 KB	-rw-r--r--
conversions.stp	10.92 KB	-rw-r--r--
ctime.stp	5.32 KB	-rw-r--r--
dentry.stp	9.79 KB	-rw-r--r--
dev.stp	1.79 KB	-rw-r--r--
endian.stp	602 B	-rw-r--r--
guru-delay.stp	1.2 KB	-rw-r--r--
guru-signal.stp	1.07 KB	-rw-r--r--
inet.stp	1.42 KB	-rw-r--r--
inet_sock.stp	1.31 KB	-rw-r--r--
ioblock.stp	12.55 KB	-rw-r--r--
ioscheduler.stp	11.74 KB	-rw-r--r--
ip.stp	5.23 KB	-rw-r--r--
ipmib-filter-default.stp	965 B	-rw-r--r--
ipmib.stp	12.55 KB	-rw-r--r--
irq.stp	5 KB	-rw-r--r--
json.stp	8.92 KB	-rw-r--r--
json.stpm	6.11 KB	-rw-r--r--
kprocess.stp	4.38 KB	-rw-r--r--
kretprobe.stp	2.1 KB	-rw-r--r--
linuxmib-filter-default.stp	876 B	-rw-r--r--
linuxmib.stp	3.38 KB	-rw-r--r--
loadavg.stp	1.87 KB	-rw-r--r--
logging.stp	2.08 KB	-rw-r--r--
memory.stp	17.77 KB	-rw-r--r--
nd_syscalls.stp	138.14 KB	-rw-r--r--
nd_syscalls2.stp	161.75 KB	-rw-r--r--
netfilter.stp	31.56 KB	-rw-r--r--
networking.stp	7.17 KB	-rw-r--r--
nfs.stp	37.86 KB	-rw-r--r--
nfs_proc.stp	55.3 KB	-rw-r--r--
nfs_proc.stpm	1.18 KB	-rw-r--r--
nfsd.stp	39.97 KB	-rw-r--r--
nfsderrno.stp	11.7 KB	-rw-r--r--
panic.stp	1.07 KB	-rw-r--r--
perf.stp	4.5 KB	-rw-r--r--
proc_mem.stp	11.49 KB	-rw-r--r--
pstrace.stp	773 B	-rw-r--r--
rcu.stp	917 B	-rw-r--r--
rlimit.stp	1.35 KB	-rw-r--r--
rpc.stp	37.94 KB	-rw-r--r--
scheduler.stp	11.33 KB	-rw-r--r--
scsi.stp	9.46 KB	-rw-r--r--
signal.stp	28.35 KB	-rw-r--r--
socket.stp	33.41 KB	-rw-r--r--
syscalls.stp	136.01 KB	-rw-r--r--
syscalls.stpm	11.28 KB	-rw-r--r--
syscalls2.stp	158.1 KB	-rw-r--r--
syscalls_cfg_trunc.stp	111 B	-rw-r--r--
target_set.stp	1.71 KB	-rw-r--r--
task.stp	19.07 KB	-rw-r--r--
task.stpm	157 B	-rw-r--r--
task_ancestry.stp	1.57 KB	-rw-r--r--
task_time.stp	7.45 KB	-rw-r--r--
tcp.stp	21.98 KB	-rw-r--r--
tcpmib-filter-default.stp	885 B	-rw-r--r--
tcpmib.stp	10.29 KB	-rw-r--r--
timestamp.stp	1.72 KB	-rw-r--r--
timestamp_gtod.stp	1.59 KB	-rw-r--r--
timestamp_monotonic.stp	5.12 KB	-rw-r--r--
tty.stp	7.15 KB	-rw-r--r--
tzinfo.stp	803 B	-rw-r--r--
ucontext-symbols.stp	8.62 KB	-rw-r--r--
ucontext-unwind.stp	3.64 KB	-rw-r--r--
ucontext.stp	2.18 KB	-rw-r--r--
udp.stp	5.73 KB	-rw-r--r--
utrace.stp	1.33 KB	-rw-r--r--
vfs.stp	26.83 KB	-rw-r--r--

Code Editor : ip.stp

// IP tapset
//
// Copyright (C) 2009, IBM Inc.
// Copyright (C) 2010, 2014 Red Hat Inc.
//
// Author : Breno Leitao <leitao@linux.vnet.ibm.com>
//
// This file is free software.  You can redistribute it and/or modify it under
// the terms of the GNU General Public License (GPL), version 2.
//
// Based on previous work done by Arnaldo Carvalho de Melo <acme@redhat.com>

%{
#include <linux/skbuff.h>
#include <linux/socket.h>		// For AF_INET & AF_INET6
#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
#include <linux/types.h>
#include <linux/in6.h>
#endif /* CONFIG_IPV6 || CONFIG_IPV6_MODULE */
%}

/**
 * sfunction format_ipaddr - Returns a string representation for an IP address
 *
 * @addr: the IP address
 * @family: the IP address family (either AF_INET or AF_INET6)
 */
function format_ipaddr:string (addr:long, family:long)
%{ /* pure */
	if (STAP_ARG_family == AF_INET) {
		__be32 ip = (__be32)STAP_ARG_addr;
#ifndef NIPQUAD_FMT			// kver >= 2.6.36
		snprintf(STAP_RETVALUE, MAXSTRINGLEN, "%pI4", &ip);
#else
		snprintf(STAP_RETVALUE, MAXSTRINGLEN, NIPQUAD_FMT,
			 NIPQUAD(ip));
#endif
	}
#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
	else if (STAP_ARG_family == AF_INET6) {
		struct in6_addr *ipv6 = (struct in6_addr *)(uintptr_t)STAP_ARG_addr;
		// We need to derefence the memory safely from the
		// address passed to us that contains the IPv6 address.
		// However, kderef()/kread() only handle data with a
		// size of 1, 2, 4, or 8.  So, we'll use
		// kderef_buffer() which goes byte by byte.
		kderef_buffer(NULL, ipv6, sizeof(struct in6_addr));
#ifndef NIP6_FMT			// kver >= 2.6.36
		snprintf(STAP_RETVALUE, MAXSTRINGLEN, "%pI6", ipv6);
#else
		snprintf(STAP_RETVALUE, MAXSTRINGLEN, NIP6_FMT, NIP6(*ipv6));
#endif
	}
#endif /* CONFIG_IPV6 || CONFIG_IPV6_MODULE */
	else
		strncpy(STAP_RETVALUE, "*unknown address family*",
			MAXSTRINGLEN);
#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
	CATCH_DEREF_FAULT();
#endif /* CONFIG_IPV6 || CONFIG_IPV6_MODULE */
%}

/**
 * sfunction ip_ntop - Returns a string representation for an IPv4 address
 *
 * @addr: the IPv4 address represented as an integer
 */
function ip_ntop:string (addr:long)
{
	return format_ipaddr(addr, %{ /* pure */ /* unprivileged */ AF_INET %})
}

/*
 * Return the source IP address for a given sock.
 *
 * Note that the probes that use this function typically get a 'struct
 * sock' pointer, not a 'struct inet_sock' pointer.  This is expected.
 * To use a 'struct sock' pointer, you typically call inet_sk() on the
 * pointer, which just returns the pointer (since the 1st member of
 * 'struct inet_sock' is a 'struct sock').
 */

function __ip_sock_saddr:long (sock:long)
{
    family = @cast(sock, "inet_sock", "kernel<net/ip.h>")->sk->__sk_common->skc_family
    if (family == %{ /* pure */ /* unprivileged */ AF_INET %}) {
	return @choose_defined(@cast(sock, "inet_sock")->inet_saddr, # kernel >= 2.6.33
		@choose_defined(@cast(sock, "inet_sock")->saddr, # kernel >= 2.6.11
		    @cast(sock, "inet_sock", "kernel<net/ip.h>")->inet->saddr))
    }
%( CONFIG_IPV6 == "[ym]" %?
    else if (family == %{ /* pure */ /* unprivileged */ AF_INET6 %}) {
	return (&@cast(sock, "inet_sock", "kernel<net/ip.h>")->pinet6->saddr)
    }
%)
    return 0
}

/* return the destination IP address for a given sock */
function __ip_sock_daddr:long (sock:long)
{
    family = @cast(sock, "inet_sock", "kernel<net/ip.h>")->sk->__sk_common->skc_family
    if (family == %{ /* pure */ /* unprivileged */ AF_INET %}) {
	return @choose_defined(@cast(sock, "inet_sock")->sk->__sk_common->skc_daddr, # kernel >= 2.6.38
		@choose_defined(@cast(sock, "inet_sock")->inet_daddr, # kernel >= 2.6.33
		    @choose_defined(@cast(sock, "inet_sock")->daddr, # kernel >= 2.6.11
			@cast(sock, "inet_sock", "kernel<net/ip.h>")->inet->daddr)))
    }
%( CONFIG_IPV6 == "[ym]" %?
    else if (family == %{ /* pure */ /* unprivileged */ AF_INET6 %}) {
	return @choose_defined(&@cast(sock, "inet_sock", "kernel<net/ip.h>")->sk->__sk_common->skc_v6_daddr,
			       &@cast(sock, "inet_sock", "kernel<net/ip.h>")->pinet6->daddr)
    }
%)
    return 0
}

/* return the IP address family for a given sock */
function __ip_sock_family:long (sock:long)
{
    return (@cast(sock, "inet_sock", "kernel<net/ip.h>")->sk->__sk_common->skc_family)
}

/* Get the IP header from a sk_buff struct */
function __get_skb_iphdr:long(skb:long)
%( kernel_v < "2.6.21" %?
{
  iphdr = @cast(skb, "sk_buff", "kernel<linux/skbuff.h>")->nh->raw
	return iphdr
}
%:
%{ /* pure */
	struct sk_buff *skb;
	skb = (struct sk_buff *)(long)STAP_ARG_skb;
	/* as done by skb_network_header() */
	#ifdef NET_SKBUFF_DATA_USES_OFFSET
		STAP_RETVALUE = (long)(kread(&(skb->head)) + kread(&(skb->network_header)));
	#else
		STAP_RETVALUE = (long)kread(&(skb->network_header));
	#endif
	CATCH_DEREF_FAULT();
%}
%)

/* return the source next layer protocol for a given sk_buff structure */
function __ip_skb_proto:long (iphdr)
{
  return @cast(iphdr, "iphdr", "kernel<linux/ip.h>")->protocol
}

/* return the source IP address for a given sk_buff structure */
function __ip_skb_saddr:long (iphdr)
{
  return @cast(iphdr, "iphdr", "kernel<linux/ip.h>")->saddr
}

/* return the destination IP address for a given skb */
function __ip_skb_daddr:long (iphdr)
{
  return @cast(iphdr, "iphdr", "kernel<linux/ip.h>")->daddr
}

${this.title}

Code Editor : ip.stp