xref: /freebsd/cddl/lib/libdtrace/udp.d (revision 49b49cda41feabe3439f7318e8bf40e3896c7bf4)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License (the "License").
6  * You may not use this file except in compliance with the License.
7  *
8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9  * or http://www.opensolaris.org/os/licensing.
10  * See the License for the specific language governing permissions
11  * and limitations under the License.
12  *
13  * When distributing Covered Code, include this CDDL HEADER in each
14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15  * If applicable, add the following below this CDDL HEADER, with the
16  * fields enclosed by brackets "[]" replaced with your own identifying
17  * information: Portions Copyright [yyyy] [name of copyright owner]
18  *
19  * CDDL HEADER END
20  *
21  * $FreeBSD$
22  */
23 /*
24  * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
25  * Copyright (c) 2013 Mark Johnston <markj@FreeBSD.org>
26  */
27 
28 #pragma D depends_on library ip.d
29 #pragma D depends_on module kernel
30 #pragma D depends_on provider udp
31 
32 /*
33  * udpsinfo contains stable UDP details.
34  */
35 typedef struct udpsinfo {
36 	uintptr_t udps_addr;
37 	uint16_t udps_lport;		/* local port */
38 	uint16_t udps_rport;		/* remote port */
39 	string udps_laddr;		/* local address, as a string */
40 	string udps_raddr;		/* remote address, as a string */
41 } udpsinfo_t;
42 
43 /*
44  * udpinfo is the UDP header fields.
45  */
46 typedef struct udpinfo {
47 	uint16_t udp_sport;		/* source port */
48 	uint16_t udp_dport;		/* destination port */
49 	uint16_t udp_length;		/* total length */
50 	uint16_t udp_checksum;          /* headers + data checksum */
51 	struct udphdr *udp_hdr;		/* raw UDP header */
52 } udpinfo_t;
53 
54 #pragma D binding "1.6.3" translator
55 translator udpsinfo_t < struct inpcb *p > {
56 	udps_addr =	(uintptr_t)p;
57 	udps_lport =	p == NULL ? 0 : ntohs(p->inp_inc.inc_ie.ie_lport);
58 	udps_rport =	p == NULL ? 0 : ntohs(p->inp_inc.inc_ie.ie_fport);
59 	udps_laddr =	p == NULL ? "" :
60 	    p->inp_vflag == INP_IPV4 ?
61 	    inet_ntoa(&p->inp_inc.inc_ie.ie_dependladdr.ie46_local.ia46_addr4.s_addr) :
62 	    inet_ntoa6(&p->inp_inc.inc_ie.ie_dependladdr.ie6_local);
63 	udps_raddr =	p == NULL ? "" :
64 	    p->inp_vflag == INP_IPV4 ?
65 	    inet_ntoa(&p->inp_inc.inc_ie.ie_dependfaddr.ie46_foreign.ia46_addr4.s_addr) :
66 	    inet_ntoa6(&p->inp_inc.inc_ie.ie_dependfaddr.ie6_foreign);
67 };
68 
69 #pragma D binding "1.6.3" translator
70 translator udpinfo_t < struct udphdr *p > {
71 	udp_sport =	p == NULL ? 0 : ntohs(p->uh_sport);
72 	udp_dport =	p == NULL ? 0 : ntohs(p->uh_dport);
73 	udp_length =	p == NULL ? 0 : ntohs(p->uh_ulen);
74 	udp_checksum =	p == NULL ? 0 : ntohs(p->uh_sum);
75 	udp_hdr =	p;
76 };
77