freebsd-skq/cddl/lib/libdtrace/udp.d
markj 29e4661920 Implement the ip, tcp, and udp DTrace providers. The probe definitions use
dynamic translation so that their arguments match the definitions for
these providers in Solaris and illumos. Thus, existing scripts for these
providers should work unmodified on FreeBSD.

Tested by:	gnn, hiren
MFC after:	1 month
2013-08-25 21:54:41 +00:00

76 lines
2.6 KiB
D

/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*
* $FreeBSD$
*/
/*
* Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2013 Mark Johnston <markj@FreeBSD.org>
*/
#pragma D depends_on library ip.d
#pragma D depends_on provider udp
/*
* udpsinfo contains stable UDP details.
*/
typedef struct udpsinfo {
uintptr_t udps_addr;
uint16_t udps_lport; /* local port */
uint16_t udps_rport; /* remote port */
string udps_laddr; /* local address, as a string */
string udps_raddr; /* remote address, as a string */
} udpsinfo_t;
/*
* udpinfo is the UDP header fields.
*/
typedef struct udpinfo {
uint16_t udp_sport; /* source port */
uint16_t udp_dport; /* destination port */
uint16_t udp_length; /* total length */
uint16_t udp_checksum; /* headers + data checksum */
struct udphdr *udp_hdr; /* raw UDP header */
} udpinfo_t;
#pragma D binding "1.0" translator
translator udpsinfo_t < struct inpcb *p > {
udps_addr = (uintptr_t)p;
udps_lport = p == NULL ? 0 : ntohs(p->inp_inc.inc_ie.ie_lport);
udps_rport = p == NULL ? 0 : ntohs(p->inp_inc.inc_ie.ie_fport);
udps_laddr = p == NULL ? "" :
p->inp_vflag == INP_IPV4 ?
inet_ntoa(&p->inp_inc.inc_ie.ie_dependladdr.ie46_local.ia46_addr4.s_addr) :
inet_ntoa6(&p->inp_inc.inc_ie.ie_dependladdr.ie6_local);
udps_raddr = p == NULL ? "" :
p->inp_vflag == INP_IPV4 ?
inet_ntoa(&p->inp_inc.inc_ie.ie_dependfaddr.ie46_foreign.ia46_addr4.s_addr) :
inet_ntoa6(&p->inp_inc.inc_ie.ie_dependfaddr.ie6_foreign);
};
#pragma D binding "1.0" translator
translator udpinfo_t < struct udphdr *p > {
udp_sport = p == NULL ? 0 : ntohs(p->uh_sport);
udp_dport = p == NULL ? 0 : ntohs(p->uh_dport);
udp_length = p == NULL ? 0 : ntohs(p->uh_ulen);
udp_checksum = p == NULL ? 0 : ntohs(p->uh_sum);
udp_hdr = p;
};