ecos-v3_0-branch: packages/net/tcpip/current/src/sys/netinet/udp

annotate packages/net/tcpip/current/src/sys/netinet/udp_usrreq.c @ 2729:74dbf4c3f2e1 after-copyright-change-20090129

Update all copyright banners to reflect FSF ownership; fix and improve licence text.

author	jlarmour
date	Thu, 29 Jan 2009 17:47:46 +0000
parents	e0c0827131d1
children

rev	line source
97 ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1 //==========================================================================
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	2 //
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	3 // sys/netinet/udp_usrreq.c
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	4 //
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	5 //
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	6 //
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	7 //==========================================================================
2729 74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text. jlarmour parents: 208 diff changeset	8 // ####BSDALTCOPYRIGHTBEGIN####
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text. jlarmour parents: 208 diff changeset	9 // -------------------------------------------
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text. jlarmour parents: 208 diff changeset	10 // Portions of this software may have been derived from OpenBSD
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text. jlarmour parents: 208 diff changeset	11 // or other sources, and if so are covered by the appropriate copyright
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text. jlarmour parents: 208 diff changeset	12 // and license included herein.
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text. jlarmour parents: 208 diff changeset	13 // -------------------------------------------
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text. jlarmour parents: 208 diff changeset	14 // ####BSDALTCOPYRIGHTEND####
97 ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	15 //==========================================================================
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	16 //#####DESCRIPTIONBEGIN####
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	17 //
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	18 // Author(s): gthomas
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	19 // Contributors: gthomas
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	20 // Date: 2000-01-10
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	21 // Purpose:
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	22 // Description:
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	23 //
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	24 //
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	25 //####DESCRIPTIONEND####
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	26 //
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	27 //==========================================================================
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	28
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	29
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	30 /* $OpenBSD: udp_usrreq.c,v 1.30 1999/12/12 10:59:41 itojun Exp $ */
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	31 /* $NetBSD: udp_usrreq.c,v 1.28 1996/03/16 23:54:03 christos Exp $ */
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	32
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	33 /*
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	34 * Copyright (c) 1982, 1986, 1988, 1990, 1993
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	35 * The Regents of the University of California. All rights reserved.
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	36 *
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	37 * Redistribution and use in source and binary forms, with or without
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	38 * modification, are permitted provided that the following conditions
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	39 * are met:
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	40 * 1. Redistributions of source code must retain the above copyright
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	41 * notice, this list of conditions and the following disclaimer.
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	42 * 2. Redistributions in binary form must reproduce the above copyright
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	43 * notice, this list of conditions and the following disclaimer in the
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	44 * documentation and/or other materials provided with the distribution.
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	45 * 3. All advertising materials mentioning features or use of this software
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	46 * must display the following acknowledgement:
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	47 * This product includes software developed by the University of
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	48 * California, Berkeley and its contributors.
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	49 * 4. Neither the name of the University nor the names of its contributors
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	50 * may be used to endorse or promote products derived from this software
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	51 * without specific prior written permission.
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	52 *
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	53 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	54 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	55 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	56 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	57 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	58 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	59 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	60 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	61 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	62 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	63 * SUCH DAMAGE.
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	64 *
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	65 * @(#)udp_usrreq.c 8.4 (Berkeley) 1/21/94
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	66 */
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	67
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	68 /*
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	69 %%% portions-copyright-nrl-95
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	70 Portions of this software are Copyright 1995-1998 by Randall Atkinson,
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	71 Ronald Lee, Daniel McDonald, Bao Phan, and Chris Winters. All Rights
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	72 Reserved. All rights under this copyright have been assigned to the US
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	73 Naval Research Laboratory (NRL). The NRL Copyright Notice and License
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	74 Agreement Version 1.1 (January 17, 1995) applies to these portions of the
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	75 software.
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	76 You should have received a copy of the license with this software. If you
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	77 didn't get a copy, you may request one from <license@ipv6.nrl.navy.mil>.
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	78 */
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	79
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	80 #include <sys/param.h>
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	81 #include <sys/malloc.h>
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	82 #include <sys/mbuf.h>
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	83 #include <sys/protosw.h>
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	84 #include <sys/socket.h>
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	85 #include <sys/socketvar.h>
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	86 #include <sys/errno.h>
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	87 #ifdef __ECOS
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	88 #undef errno
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	89 #endif
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	90 #ifndef __ECOS
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	91 #include <sys/stat.h>
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	92 #include <sys/systm.h>
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	93 #include <sys/proc.h>
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	94
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	95 #include <vm/vm.h>
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	96 #include <sys/sysctl.h>
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	97 #endif
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	98
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	99 #include <net/if.h>
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	100 #include <net/route.h>
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	101
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	102 #include <netinet/in.h>
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	103 #include <netinet/in_systm.h>
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	104 #include <netinet/in_var.h>
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	105 #include <netinet/ip.h>
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	106 #include <netinet/in_pcb.h>
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	107 #include <netinet/ip_var.h>
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	108 #include <netinet/ip_icmp.h>
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	109 #include <netinet/udp.h>
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	110 #include <netinet/udp_var.h>
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	111
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	112 #ifdef IPSEC
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	113 #include <netinet/ip_ipsp.h>
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	114
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	115 extern int check_ipsec_policy __P((struct inpcb *, u_int32_t));
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	116 #endif
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	117
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	118 #include <machine/stdarg.h>
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	119
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	120 #ifdef INET6
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	121 #ifndef INET
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	122 #include <netinet/in.h>
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	123 #endif
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	124 #include <netinet6/ip6.h>
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	125 #include <netinet6/in6_var.h>
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	126 #include <netinet6/ip6_var.h>
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	127 #include <netinet6/icmp6.h>
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	128 #include <netinet6/ip6protosw.h>
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	129
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	130 #ifndef CREATE_IPV6_MAPPED
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	131 #define CREATE_IPV6_MAPPED(a6, a4) \
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	132 do { \
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	133 bzero(&(a6), sizeof(a6)); \
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	134 (a6).s6_addr[10] = (a6).s6_addr[11] = 0xff; \
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	135 (u_int32_t )&(a6).s6_addr[12] = (a4); \
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	136 } while (0)
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	137 #endif
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	138
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	139 extern int ip6_defhlim;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	140
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	141 #endif /* INET6 */
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	142
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	143 /*
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	144 * UDP protocol implementation.
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	145 * Per RFC 768, August, 1980.
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	146 */
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	147 int udpcksum = 1;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	148
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	149
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	150 static void udp_detach __P((struct inpcb *));
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	151 static void udp_notify __P((struct inpcb *, int));
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	152 static struct mbuf *udp_saveopt __P((caddr_t, int, int));
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	153
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	154 #ifndef UDBHASHSIZE
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	155 #define UDBHASHSIZE 128
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	156 #endif
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	157 int udbhashsize = UDBHASHSIZE;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	158
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	159 /* from in_pcb.c */
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	160 extern struct baddynamicports baddynamicports;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	161
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	162 void
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	163 udp_init()
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	164 {
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	165
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	166 in_pcbinit(&udbtable, udbhashsize);
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	167 }
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	168
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	169 #if defined(INET6) && !defined(TCP6)
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	170 int
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	171 udp6_input(mp, offp, proto)
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	172 struct mbuf **mp;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	173 int *offp, proto;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	174 {
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	175 struct mbuf m = mp;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	176
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	177 #if defined(NFAITH) && 0 < NFAITH
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	178 if (m->m_pkthdr.rcvif) {
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	179 if (m->m_pkthdr.rcvif->if_type == IFT_FAITH) {
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	180 /* XXX send icmp6 host/port unreach? */
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	181 m_freem(m);
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	182 return IPPROTO_DONE;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	183 }
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	184 }
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	185 #endif
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	186
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	187 udp_input(m, *offp, proto);
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	188 return IPPROTO_DONE;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	189 }
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	190 #endif
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	191
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	192 void
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	193 #if __STDC__
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	194 udp_input(struct mbuf *m, ...)
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	195 #else
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	196 udp_input(m, va_alist)
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	197 struct mbuf *m;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	198 va_dcl
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	199 #endif
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	200 {
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	201 register struct ip *ip;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	202 register struct udphdr *uh;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	203 register struct inpcb *inp;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	204 struct mbuf *opts = 0;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	205 int len;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	206 struct ip save_ip;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	207 int iphlen;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	208 va_list ap;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	209 u_int16_t savesum;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	210 union {
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	211 struct sockaddr sa;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	212 struct sockaddr_in sin;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	213 #ifdef INET6
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	214 struct sockaddr_in6 sin6;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	215 #endif /* INET6 */
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	216 } srcsa, dstsa;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	217 #ifdef INET6
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	218 struct ip6_hdr *ipv6;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	219 struct sockaddr_in6 src_v4mapped;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	220 #endif /* INET6 */
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	221 #ifdef IPSEC
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	222 struct tdb *tdb = NULL;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	223 #endif /* IPSEC */
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	224
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	225 va_start(ap, m);
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	226 iphlen = va_arg(ap, int);
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	227 va_end(ap);
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	228
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	229 udpstat.udps_ipackets++;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	230
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	231 #ifdef IPSEC
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	232 /* Save the last SA which was used to process the mbuf */
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	233 if ((m->m_flags & (M_CONF\|M_AUTH)) && m->m_pkthdr.tdbi) {
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	234 struct tdb_ident *tdbi = m->m_pkthdr.tdbi;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	235 /* XXX gettdb() should really be called at spltdb(). */
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	236 /* XXX this is splsoftnet(), currently they are the same. */
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	237 tdb = gettdb(tdbi->spi, &tdbi->dst, tdbi->proto);
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	238 free(m->m_pkthdr.tdbi, M_TEMP);
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	239 m->m_pkthdr.tdbi = NULL;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	240 }
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	241 #endif /* IPSEC */
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	242
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	243 switch (mtod(m, struct ip *)->ip_v) {
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	244 case 4:
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	245 ip = mtod(m, struct ip *);
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	246 #ifdef INET6
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	247 ipv6 = NULL;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	248 #endif /* INET6 */
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	249 srcsa.sa.sa_family = AF_INET;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	250 break;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	251 #ifdef INET6
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	252 case 6:
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	253 ip = NULL;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	254 ipv6 = mtod(m, struct ip6_hdr *);
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	255 srcsa.sa.sa_family = AF_INET6;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	256 break;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	257 #endif /* INET6 */
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	258 default:
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	259 #ifdef __ECOS
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	260 diag_printf("udp_input: received unknown IP version %d",
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	261 mtod(m, struct ip *)->ip_v);
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	262 #else
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	263 printf("udp_input: received unknown IP version %d",
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	264 mtod(m, struct ip *)->ip_v);
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	265 #endif
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	266 goto bad;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	267 }
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	268
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	269 /*
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	270 * Strip IP options, if any; should skip this,
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	271 * make available to user, and use on returned packets,
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	272 * but we don't yet have a way to check the checksum
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	273 * with options still present.
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	274 */
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	275 /*
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	276 * (contd. from above...) Furthermore, we may want to strip options
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	277 * for such things as ICMP errors, where options just get in the way.
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	278 */
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	279 if (ip && iphlen > sizeof (struct ip)) {
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	280 ip_stripoptions(m, (struct mbuf *)0);
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	281 iphlen = sizeof(struct ip);
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	282 }
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	283
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	284 /*
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	285 * Get IP and UDP header together in first mbuf.
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	286 */
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	287 if (m->m_len < iphlen + sizeof(struct udphdr)) {
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	288 if ((m = m_pullup2(m, iphlen + sizeof(struct udphdr))) == 0) {
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	289 udpstat.udps_hdrops++;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	290 return;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	291 }
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	292 #ifdef INET6
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	293 if (ipv6)
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	294 ipv6 = mtod(m, struct ip6_hdr *);
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	295 else
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	296 #endif /* INET6 */
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	297 ip = mtod(m, struct ip *);
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	298 }
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	299 uh = (struct udphdr *)(mtod(m, caddr_t) + iphlen);
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	300
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	301 /*
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	302 * Make mbuf data length reflect UDP length.
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	303 * If not enough data to reflect UDP length, drop.
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	304 */
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	305 len = ntohs((u_int16_t)uh->uh_ulen);
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	306 if (m->m_pkthdr.len - iphlen != len) {
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	307 if (len > (m->m_pkthdr.len - iphlen) \|\|
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	308 len < sizeof(struct udphdr)) {
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	309 udpstat.udps_badlen++;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	310 goto bad;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	311 }
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	312 m_adj(m, len - (m->m_pkthdr.len - iphlen));
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	313 }
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	314 /*
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	315 * Save a copy of the IP header in case we want restore it
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	316 * for sending an ICMP error message in response.
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	317 */
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	318 if (ip)
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	319 save_ip = *ip;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	320
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	321 /*
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	322 * Checksum extended UDP header and data.
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	323 * from W.R.Stevens: check incoming udp cksums even if
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	324 * udpcksum is not set.
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	325 */
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	326 savesum = uh->uh_sum;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	327 #ifdef INET6
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	328 if (ipv6) {
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	329 /*
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	330 * In IPv6, the UDP checksum is ALWAYS used.
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	331 */
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	332 if ((uh->uh_sum = in6_cksum(m, IPPROTO_UDP, iphlen, len))) {
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	333 udpstat.udps_badsum++;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	334 goto bad;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	335 }
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	336 } else
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	337 #endif /* INET6 */
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	338 if (uh->uh_sum) {
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	339 bzero(((struct ipovly *)ip)->ih_x1,
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	340 sizeof ((struct ipovly *)ip)->ih_x1);
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	341 ((struct ipovly *)ip)->ih_len = uh->uh_ulen;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	342 if ((uh->uh_sum = in_cksum(m, len + sizeof (struct ip))) != 0) {
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	343 udpstat.udps_badsum++;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	344 m_freem(m);
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	345 return;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	346 }
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	347 } else
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	348 udpstat.udps_nosum++;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	349
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	350 switch (srcsa.sa.sa_family) {
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	351 case AF_INET:
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	352 bzero(&srcsa, sizeof(struct sockaddr_in));
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	353 srcsa.sin.sin_len = sizeof(struct sockaddr_in);
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	354 srcsa.sin.sin_family = AF_INET;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	355 srcsa.sin.sin_port = uh->uh_sport;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	356 srcsa.sin.sin_addr = ip->ip_src;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	357
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	358 #ifdef INET6
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	359 bzero(&src_v4mapped, sizeof(struct sockaddr_in6));
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	360 src_v4mapped.sin6_len = sizeof(struct sockaddr_in6);
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	361 src_v4mapped.sin6_family = AF_INET6;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	362 src_v4mapped.sin6_port = uh->uh_sport;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	363 CREATE_IPV6_MAPPED(src_v4mapped.sin6_addr, ip->ip_src.s_addr);
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	364 #endif /* INET6 */
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	365
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	366 bzero(&dstsa, sizeof(struct sockaddr_in));
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	367 dstsa.sin.sin_len = sizeof(struct sockaddr_in);
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	368 dstsa.sin.sin_family = AF_INET;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	369 dstsa.sin.sin_port = uh->uh_dport;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	370 dstsa.sin.sin_addr = ip->ip_dst;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	371 break;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	372 #ifdef INET6
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	373 case AF_INET6:
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	374 bzero(&srcsa, sizeof(struct sockaddr_in6));
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	375 srcsa.sin6.sin6_len = sizeof(struct sockaddr_in6);
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	376 srcsa.sin6.sin6_family = AF_INET6;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	377 srcsa.sin6.sin6_port = uh->uh_sport;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	378 srcsa.sin6.sin6_flowinfo = htonl(0x0fffffff) & ipv6->ip6_flow;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	379 srcsa.sin6.sin6_addr = ipv6->ip6_src;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	380 if (IN6_IS_SCOPE_LINKLOCAL(&srcsa.sin6.sin6_addr))
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	381 srcsa.sin6.sin6_addr.s6_addr16[1] = 0;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	382 if (m->m_pkthdr.rcvif) {
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	383 if (IN6_IS_SCOPE_LINKLOCAL(&srcsa.sin6.sin6_addr)) {
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	384 srcsa.sin6.sin6_scope_id =
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	385 m->m_pkthdr.rcvif->if_index;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	386 } else
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	387 srcsa.sin6.sin6_scope_id = 0;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	388 } else
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	389 srcsa.sin6.sin6_scope_id = 0;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	390
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	391 bzero(&dstsa, sizeof(struct sockaddr_in6));
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	392 dstsa.sin6.sin6_len = sizeof(struct sockaddr_in6);
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	393 dstsa.sin6.sin6_family = AF_INET6;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	394 dstsa.sin6.sin6_port = uh->uh_dport;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	395 dstsa.sin6.sin6_addr = ipv6->ip6_dst;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	396 break;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	397 #endif /* INET6 */
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	398 }
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	399
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	400 #ifdef INET6
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	401 if ((ipv6 && IN6_IS_ADDR_MULTICAST(&ipv6->ip6_dst)) \|\|
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	402 (ip && IN_MULTICAST(ip->ip_dst.s_addr)) \|\|
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	403 (ip && in_broadcast(ip->ip_dst, m->m_pkthdr.rcvif))) {
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	404 #else /* INET6 */
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	405 if (IN_MULTICAST(ip->ip_dst.s_addr) \|\|
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	406 in_broadcast(ip->ip_dst, m->m_pkthdr.rcvif)) {
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	407 #endif /* INET6 */
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	408 struct socket *last;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	409 /*
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	410 * Deliver a multicast or broadcast datagram to all sockets
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	411 * for which the local and remote addresses and ports match
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	412 * those of the incoming datagram. This allows more than
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	413 * one process to receive multi/broadcasts on the same port.
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	414 * (This really ought to be done for unicast datagrams as
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	415 * well, but that would cause problems with existing
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	416 * applications that open both address-specific sockets and
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	417 * a wildcard socket listening to the same port -- they would
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	418 * end up receiving duplicates of every unicast datagram.
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	419 * Those applications open the multiple sockets to overcome an
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	420 * inadequacy of the UDP socket interface, but for backwards
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	421 * compatibility we avoid the problem here rather than
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	422 * fixing the interface. Maybe 4.5BSD will remedy this?)
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	423 */
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	424
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	425 iphlen += sizeof(struct udphdr);
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	426
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	427 /*
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	428 * Locate pcb(s) for datagram.
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	429 * (Algorithm copied from raw_intr().)
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	430 */
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	431 last = NULL;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	432 for (inp = udbtable.inpt_queue.cqh_first;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	433 inp != (struct inpcb *)&udbtable.inpt_queue;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	434 inp = inp->inp_queue.cqe_next) {
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	435 if (inp->inp_lport != uh->uh_dport)
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	436 continue;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	437 #ifdef INET6
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	438 if (ipv6) {
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	439 if (!(inp->inp_flags & INP_IPV6))
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	440 continue;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	441 if (!IN6_IS_ADDR_UNSPECIFIED(&inp->inp_laddr6))
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	442 if (!IN6_ARE_ADDR_EQUAL(&inp->inp_laddr6,
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	443 &ipv6->ip6_dst))
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	444 continue;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	445 } else
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	446 #endif /* INET6 */
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	447 if (inp->inp_laddr.s_addr != INADDR_ANY) {
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	448 if (inp->inp_laddr.s_addr !=
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	449 ip->ip_dst.s_addr)
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	450 continue;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	451 }
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	452 #ifdef INET6
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	453 if (ipv6) {
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	454 if (!IN6_IS_ADDR_UNSPECIFIED(&inp->inp_faddr6))
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	455 if (!IN6_ARE_ADDR_EQUAL(&inp->inp_faddr6,
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	456 &ipv6->ip6_src) \|\|
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	457 inp->inp_fport != uh->uh_sport)
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	458 continue;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	459 } else
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	460 #endif /* INET6 */
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	461 if (inp->inp_faddr.s_addr != INADDR_ANY) {
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	462 if (inp->inp_faddr.s_addr !=
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	463 ip->ip_src.s_addr \|\|
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	464 inp->inp_fport != uh->uh_sport)
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	465 continue;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	466 }
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	467
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	468 if (last != NULL) {
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	469 struct mbuf *n;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	470
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	471 if ((n = m_copy(m, 0, M_COPYALL)) != NULL) {
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	472 opts = NULL;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	473 #ifdef INET6
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	474 if (ipv6 && (inp->inp_flags & IN6P_CONTROLOPTS))
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	475 ip6_savecontrol(inp, &opts, ipv6, n);
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	476 #endif /* INET6 */
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	477 m_adj(n, iphlen);
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	478 if (sbappendaddr(&last->so_rcv,
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	479 #ifdef INET6
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	480 /*
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	481 * This cruft is needed in (the rare)
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	482 * case I deliver a {multi,broad}cast
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	483 * IPv4 packet to an AF_INET6 socket.
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	484 */
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	485 ((((struct inpcb *)last->so_pcb)->inp_flags
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	486 & INP_IPV6) && ip) ?
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	487 (struct sockaddr *)&src_v4mapped :
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	488 #endif /* INET6 */
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	489 &srcsa.sa, n, opts) == 0) {
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	490 m_freem(n);
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	491 udpstat.udps_fullsock++;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	492 } else
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	493 sorwakeup(last);
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	494 }
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	495 }
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	496 last = inp->inp_socket;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	497 /*
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	498 * Don't look for additional matches if this one does
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	499 * not have either the SO_REUSEPORT or SO_REUSEADDR
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	500 * socket options set. This heuristic avoids searching
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	501 * through all pcbs in the common case of a non-shared
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	502 * port. It * assumes that an application will never
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	503 * clear these options after setting them.
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	504 */
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	505 if ((last->so_options&(SO_REUSEPORT\|SO_REUSEADDR)) == 0)
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	506 break;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	507 }
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	508
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	509 if (last == NULL) {
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	510 /*
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	511 * No matching pcb found; discard datagram.
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	512 * (No need to send an ICMP Port Unreachable
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	513 * for a broadcast or multicast datgram.)
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	514 */
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	515 udpstat.udps_noportbcast++;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	516 goto bad;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	517 }
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	518
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	519 opts = NULL;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	520 #ifdef INET6
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	521 if (ipv6 && (inp->inp_flags & IN6P_CONTROLOPTS))
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	522 ip6_savecontrol(inp, &opts, ipv6, m);
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	523 #endif /* INET6 */
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	524 m_adj(m, iphlen);
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	525 if (sbappendaddr(&last->so_rcv,
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	526 #ifdef INET6
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	527 /*
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	528 * This cruft is needed in (the rare) case I
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	529 * deliver a {multi,broad}cast IPv4 packet to
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	530 * an AF_INET6 socket.
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	531 */
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	532 ((((struct inpcb *)last->so_pcb)->inp_flags & INP_IPV6) && ip) ?
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	533 (struct sockaddr *)&src_v4mapped :
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	534 #endif /* INET6 */
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	535 &srcsa.sa, m, opts) == 0) {
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	536 udpstat.udps_fullsock++;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	537 goto bad;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	538 }
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	539 sorwakeup(last);
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	540 return;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	541 }
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	542 /*
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	543 * Locate pcb for datagram.
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	544 */
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	545 #ifdef INET6
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	546 if (ipv6)
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	547 inp = in6_pcbhashlookup(&udbtable, &ipv6->ip6_src, uh->uh_sport,
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	548 &ipv6->ip6_dst, uh->uh_dport);
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	549 else
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	550 #endif /* INET6 */
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	551 inp = in_pcbhashlookup(&udbtable, ip->ip_src, uh->uh_sport,
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	552 ip->ip_dst, uh->uh_dport);
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	553 if (inp == 0) {
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	554 ++udpstat.udps_pcbhashmiss;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	555 #ifdef INET6
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	556 if (ipv6) {
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	557 inp = in_pcblookup(&udbtable,
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	558 (struct in_addr *)&(ipv6->ip6_src),
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	559 uh->uh_sport, (struct in_addr *)&(ipv6->ip6_dst),
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	560 uh->uh_dport, INPLOOKUP_WILDCARD \| INPLOOKUP_IPV6);
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	561 } else
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	562 #endif /* INET6 */
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	563 inp = in_pcblookup(&udbtable, &ip->ip_src, uh->uh_sport,
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	564 &ip->ip_dst, uh->uh_dport, INPLOOKUP_WILDCARD);
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	565 if (inp == 0) {
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	566 udpstat.udps_noport++;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	567 if (m->m_flags & (M_BCAST \| M_MCAST)) {
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	568 udpstat.udps_noportbcast++;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	569 goto bad;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	570 }
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	571 #ifdef INET6
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	572 if (ipv6) {
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	573 icmp6_error(m, ICMP6_DST_UNREACH,
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	574 ICMP6_DST_UNREACH_NOPORT,0);
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	575 } else
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	576 #endif /* INET6 */
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	577 {
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	578 *ip = save_ip;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	579 HTONS(ip->ip_len);
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	580 HTONS(ip->ip_id);
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	581 HTONS(ip->ip_off);
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	582 uh->uh_sum = savesum;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	583 icmp_error(m, ICMP_UNREACH, ICMP_UNREACH_PORT,
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	584 0, 0);
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	585 }
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	586 return;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	587 }
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	588 }
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	589
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	590 #ifdef IPSEC
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	591 /* Check if this socket requires security for incoming packets */
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	592 if ((inp->inp_seclevel[SL_AUTH] >= IPSEC_LEVEL_REQUIRE &&
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	593 !(m->m_flags & M_AUTH)) \|\|
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	594 (inp->inp_seclevel[SL_ESP_TRANS] >= IPSEC_LEVEL_REQUIRE &&
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	595 !(m->m_flags & M_CONF))) {
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	596 #ifdef notyet
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	597 #ifdef INET6
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	598 if (ipv6)
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	599 ipv6_icmp_error(m, ICMPV6_BLAH, ICMPV6_BLAH, 0);
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	600 else
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	601 #endif /* INET6 */
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	602 icmp_error(m, ICMP_BLAH, ICMP_BLAH, 0, 0);
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	603 m = NULL;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	604 #endif /* notyet */
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	605 udpstat.udps_nosec++;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	606 goto bad;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	607 }
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	608 /* Use tdb_bind_out for this inp's outbound communication */
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	609 if (tdb)
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	610 tdb_add_inp(tdb, inp);
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	611 #endif /IPSEC /
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	612
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	613 opts = NULL;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	614 #ifdef INET6
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	615 if (ipv6 && (inp->inp_flags & IN6P_CONTROLOPTS))
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	616 ip6_savecontrol(inp, &opts, ipv6, m);
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	617 #endif /* INET6 */
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	618 if (ip && (inp->inp_flags & INP_CONTROLOPTS)) {
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	619 struct mbuf **mp = &opts;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	620
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	621 if (inp->inp_flags & INP_RECVDSTADDR) {
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	622 *mp = udp_saveopt((caddr_t) &ip->ip_dst,
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	623 sizeof(struct in_addr), IP_RECVDSTADDR);
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	624 if (*mp)
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	625 mp = &(*mp)->m_next;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	626 }
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	627 #ifdef notyet
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	628 /* options were tossed above */
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	629 if (inp->inp_flags & INP_RECVOPTS) {
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	630 *mp = udp_saveopt((caddr_t) opts_deleted_above,
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	631 sizeof(struct in_addr), IP_RECVOPTS);
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	632 if (*mp)
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	633 mp = &(*mp)->m_next;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	634 }
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	635 /* ip_srcroute doesn't do what we want here, need to fix */
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	636 if (inp->inp_flags & INP_RECVRETOPTS) {
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	637 *mp = udp_saveopt((caddr_t) ip_srcroute(),
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	638 sizeof(struct in_addr), IP_RECVRETOPTS);
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	639 if (*mp)
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	640 mp = &(*mp)->m_next;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	641 }
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	642 #endif
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	643 }
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	644 iphlen += sizeof(struct udphdr);
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	645 m_adj(m, iphlen);
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	646 if (sbappendaddr(&inp->inp_socket->so_rcv,
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	647 #ifdef INET6
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	648 /*
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	649 * This cruft is needed to deliver a IPv4 packet to
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	650 * an AF_INET6 socket.
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	651 */
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	652 ((((struct inpcb *)inp->inp_socket->so_pcb)->inp_flags & INP_IPV6)
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	653 && ip) ? (struct sockaddr *)&src_v4mapped :
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	654 #endif /* INET6 */
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	655 &srcsa.sa, m, opts) == 0) {
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	656 udpstat.udps_fullsock++;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	657 goto bad;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	658 }
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	659 sorwakeup(inp->inp_socket);
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	660 return;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	661 bad:
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	662 m_freem(m);
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	663 if (opts)
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	664 m_freem(opts);
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	665 }
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	666
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	667 /*
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	668 * Create a "control" mbuf containing the specified data
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	669 * with the specified type for presentation with a datagram.
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	670 */
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	671 struct mbuf *
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	672 udp_saveopt(p, size, type)
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	673 caddr_t p;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	674 register int size;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	675 int type;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	676 {
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	677 register struct cmsghdr *cp;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	678 struct mbuf *m;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	679
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	680 if ((m = m_get(M_DONTWAIT, MT_CONTROL)) == NULL)
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	681 return ((struct mbuf *) NULL);
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	682 cp = (struct cmsghdr ) mtod(m, struct cmsghdr );
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	683 bcopy(p, CMSG_DATA(cp), size);
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	684 size += sizeof(*cp);
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	685 m->m_len = size;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	686 cp->cmsg_len = size;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	687 cp->cmsg_level = IPPROTO_IP;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	688 cp->cmsg_type = type;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	689 return (m);
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	690 }
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	691
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	692 /*
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	693 * Notify a udp user of an asynchronous error;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	694 * just wake up so that he can collect error status.
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	695 */
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	696 static void
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	697 udp_notify(inp, errno)
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	698 register struct inpcb *inp;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	699 int errno;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	700 {
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	701 inp->inp_socket->so_error = errno;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	702 sorwakeup(inp->inp_socket);
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	703 sowwakeup(inp->inp_socket);
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	704 }
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	705
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	706 #if defined(INET6) && !defined(TCP6)
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	707 void
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	708 udp6_ctlinput(cmd, sa, d)
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	709 int cmd;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	710 struct sockaddr *sa;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	711 void *d;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	712 {
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	713 struct sockaddr_in6 sa6;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	714 struct ip6_hdr *ip6;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	715 struct mbuf *m;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	716 int off;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	717
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	718 if (sa == NULL)
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	719 return;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	720 if (sa->sa_family != AF_INET6)
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	721 return;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	722
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	723 /* decode parameter from icmp6. */
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	724 if (d != NULL) {
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	725 struct ip6ctlparam ip6cp = (struct ip6ctlparam )d;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	726 ip6 = ip6cp->ip6c_ip6;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	727 m = ip6cp->ip6c_m;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	728 off = ip6cp->ip6c_off;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	729 } else
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	730 return;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	731
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	732 /* translate addresses into internal form */
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	733 sa6 = (struct sockaddr_in6 )sa;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	734 if (IN6_IS_ADDR_LINKLOCAL(&sa6.sin6_addr) && m && m->m_pkthdr.rcvif)
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	735 sa6.sin6_addr.s6_addr16[1] = htons(m->m_pkthdr.rcvif->if_index);
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	736 sa = (struct sockaddr *)&sa6;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	737
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	738 (void)udp_ctlinput(cmd, sa, (void *)ip6);
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	739 }
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	740 #endif
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	741
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	742 void *
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	743 udp_ctlinput(cmd, sa, v)
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	744 int cmd;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	745 struct sockaddr *sa;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	746 void *v;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	747 {
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	748 register struct ip *ip = v;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	749 register struct udphdr *uh;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	750 extern int inetctlerrmap[];
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	751 void (notify) __P((struct inpcb , int)) = udp_notify;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	752 int errno;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	753
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	754 if ((unsigned)cmd >= PRC_NCMDS)
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	755 return NULL;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	756 errno = inetctlerrmap[cmd];
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	757 if (PRC_IS_REDIRECT(cmd))
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	758 notify = in_rtchange, ip = 0;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	759 else if (cmd == PRC_HOSTDEAD)
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	760 ip = 0;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	761 else if (errno == 0)
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	762 return NULL;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	763 if (sa == NULL)
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	764 return NULL;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	765 #ifdef INET6
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	766 if (sa->sa_family == AF_INET6) {
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	767 if (ip) {
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	768 struct ip6_hdr ipv6 = (struct ip6_hdr )ip;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	769
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	770 uh = (struct udphdr *)((caddr_t)ipv6 + sizeof(struct ip6_hdr));
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	771 #if 0 /XXX/
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	772 in6_pcbnotify(&udbtable, sa, uh->uh_dport,
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	773 &(ipv6->ip6_src), uh->uh_sport, cmd, udp_notify);
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	774 #endif
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	775 } else {
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	776 #if 0 /XXX/
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	777 in6_pcbnotify(&udbtable, sa, 0,
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	778 (struct in6_addr *)&in6addr_any, 0, cmd, udp_notify);
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	779 #endif
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	780 }
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	781 } else
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	782 #endif /* INET6 */
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	783 if (ip) {
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	784 uh = (struct udphdr *)((caddr_t)ip + (ip->ip_hl << 2));
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	785 in_pcbnotify(&udbtable, sa, uh->uh_dport, ip->ip_src,
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	786 uh->uh_sport, errno, notify);
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	787 } else
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	788 in_pcbnotifyall(&udbtable, sa, errno, notify);
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	789 return NULL;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	790 }
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	791
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	792 int
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	793 #if __STDC__
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	794 udp_output(struct mbuf *m, ...)
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	795 #else
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	796 udp_output(m, va_alist)
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	797 struct mbuf *m;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	798 va_dcl
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	799 #endif
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	800 {
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	801 register struct inpcb *inp;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	802 struct mbuf addr, control;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	803 register struct udpiphdr *ui;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	804 register int len = m->m_pkthdr.len;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	805 struct in_addr laddr;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	806 int s = 0, error = 0;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	807 va_list ap;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	808 #ifdef INET6
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	809 register struct in6_addr laddr6;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	810 int v6packet = 0;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	811 struct sockaddr_in6 *sin6 = NULL;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	812 struct ip6_pktopts opt, *stickyopt = NULL;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	813 #endif /* INET6 */
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	814 int pcbflags = 0;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	815
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	816 va_start(ap, m);
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	817 inp = va_arg(ap, struct inpcb *);
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	818 addr = va_arg(ap, struct mbuf *);
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	819 control = va_arg(ap, struct mbuf *);
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	820 va_end(ap);
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	821
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	822 #ifdef INET6
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	823 v6packet = ((inp->inp_flags & INP_IPV6) &&
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	824 !(inp->inp_flags & INP_IPV6_MAPPED));
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	825 #endif
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	826
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	827 #ifdef INET6
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	828 stickyopt = inp->inp_outputopts6;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	829 if (control && v6packet) {
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	830 error = ip6_setpktoptions(control, &opt,
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	831 ((inp->inp_socket->so_state & SS_PRIV) != 0));
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	832 if (error != 0)
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	833 goto release;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	834 inp->inp_outputopts6 = &opt;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	835 }
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	836 #endif
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	837
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	838 if (addr) {
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	839 #ifdef INET6
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	840 sin6 = mtod(addr, struct sockaddr_in6 *);
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	841 #endif
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	842
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	843 /*
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	844 * Save current PCB flags because they may change during
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	845 * temporary connection, particularly the INP_IPV6_UNDEC
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	846 * flag.
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	847 */
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	848 pcbflags = inp->inp_flags;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	849
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	850 #ifdef INET6
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	851 if (inp->inp_flags & INP_IPV6)
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	852 laddr6 = inp->inp_laddr6;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	853 else
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	854 #endif /* INET6 */
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	855 laddr = inp->inp_laddr;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	856 #ifdef INET6
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	857 if (((inp->inp_flags & INP_IPV6) &&
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	858 !IN6_IS_ADDR_UNSPECIFIED(&inp->inp_faddr6)) \|\|
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	859 (inp->inp_faddr.s_addr != INADDR_ANY))
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	860 #else /* INET6 */
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	861 if (inp->inp_faddr.s_addr != INADDR_ANY)
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	862 #endif /* INET6 */
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	863 {
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	864 error = EISCONN;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	865 goto release;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	866 }
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	867 /*
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	868 * Must block input while temporarily connected.
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	869 */
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	870 s = splsoftnet();
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	871 error = in_pcbconnect(inp, addr);
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	872 if (error) {
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	873 splx(s);
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	874 goto release;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	875 }
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	876 } else {
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	877 #ifdef INET6
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	878 if (((inp->inp_flags & INP_IPV6) &&
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	879 IN6_IS_ADDR_UNSPECIFIED(&inp->inp_faddr6)) \|\|
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	880 (inp->inp_faddr.s_addr == INADDR_ANY))
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	881 #else /* INET6 */
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	882 if (inp->inp_faddr.s_addr == INADDR_ANY)
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	883 #endif /* INET6 */
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	884 {
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	885 error = ENOTCONN;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	886 goto release;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	887 }
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	888 }
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	889 /*
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	890 * Calculate data length and get a mbuf
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	891 * for UDP and IP headers.
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	892 */
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	893 #ifdef INET6
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	894 /*
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	895 * Handles IPv4-mapped IPv6 address because temporary connect sets
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	896 * the right flag.
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	897 */
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	898 M_PREPEND(m, v6packet ? (sizeof(struct udphdr) +
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	899 sizeof(struct ip6_hdr)) : sizeof(struct udpiphdr), M_DONTWAIT);
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	900 #else /* INET6 */
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	901 M_PREPEND(m, sizeof(struct udpiphdr), M_DONTWAIT);
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	902 #endif /* INET6 */
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	903 if (m == 0) {
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	904 error = ENOBUFS;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	905 goto bail;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	906 }
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	907
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	908 /*
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	909 * Compute the packet length of the IP header, and
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	910 * punt if the length looks bogus.
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	911 */
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	912 if ((len + sizeof(struct udpiphdr)) > IP_MAXPACKET) {
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	913 error = EMSGSIZE;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	914 goto release;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	915 }
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	916
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	917 /*
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	918 * Fill in mbuf with extended UDP header
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	919 * and addresses and length put into network format.
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	920 */
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	921 #ifdef INET6
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	922 if (v6packet) {
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	923 struct ip6_hdr ipv6 = mtod(m, struct ip6_hdr );
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	924 struct udphdr uh = (struct udphdr )(mtod(m, caddr_t) +
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	925 sizeof(struct ip6_hdr));
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	926 int payload = sizeof(struct ip6_hdr);
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	927 struct in6_addr *faddr;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	928 struct in6_addr *laddr;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	929 struct ifnet *oifp = NULL;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	930
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	931 ipv6->ip6_flow = htonl(0x60000000) \|
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	932 (inp->inp_ipv6.ip6_flow & htonl(0x0fffffff));
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	933
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	934 ipv6->ip6_nxt = IPPROTO_UDP;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	935 ipv6->ip6_dst = inp->inp_faddr6;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	936 /*
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	937 * If the scope of the destination is link-local,
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	938 * embed the interface
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	939 * index in the address.
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	940 *
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	941 * XXX advanced-api value overrides sin6_scope_id
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	942 */
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	943 faddr = &ipv6->ip6_dst;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	944 if (IN6_IS_ADDR_LINKLOCAL(faddr) \|\|
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	945 IN6_IS_ADDR_MC_LINKLOCAL(faddr)) {
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	946 struct ip6_pktopts *optp = inp->inp_outputopts6;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	947 struct in6_pktinfo *pi = NULL;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	948 struct ip6_moptions *mopt = NULL;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	949
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	950 /*
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	951 * XXX Boundary check is assumed to be already done in
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	952 * ip6_setpktoptions().
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	953 */
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	954 if (optp && (pi = optp->ip6po_pktinfo) &&
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	955 pi->ipi6_ifindex) {
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	956 faddr->s6_addr16[1] = htons(pi->ipi6_ifindex);
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	957 oifp = ifindex2ifnet[pi->ipi6_ifindex];
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	958 }
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	959 else if (IN6_IS_ADDR_MULTICAST(faddr) &&
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	960 (mopt = inp->inp_moptions6) &&
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	961 mopt->im6o_multicast_ifp) {
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	962 oifp = mopt->im6o_multicast_ifp;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	963 faddr->s6_addr16[1] = oifp->if_index;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	964 } else if (sin6 && sin6->sin6_scope_id) {
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	965 /* boundary check */
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	966 if (sin6->sin6_scope_id < 0
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	967 \|\| if_index < sin6->sin6_scope_id) {
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	968 error = ENXIO; /* XXX EINVAL? */
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	969 goto release;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	970 }
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	971 /* XXX */
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	972 faddr->s6_addr16[1] =
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	973 htons(sin6->sin6_scope_id & 0xffff);
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	974 }
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	975 }
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	976 ipv6->ip6_hlim = in6_selecthlim(inp, oifp);
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	977 if (sin6) { /XXX/
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	978 laddr = in6_selectsrc(sin6, inp->inp_outputopts6,
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	979 inp->inp_moptions6,
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	980 &inp->inp_route6,
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	981 &inp->inp_laddr6, &error);
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	982 if (laddr == NULL) {
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	983 if (error == 0)
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	984 error = EADDRNOTAVAIL;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	985 goto release;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	986 }
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	987 } else
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	988 laddr = &inp->inp_laddr6;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	989
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	990 ipv6->ip6_src = *laddr;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	991
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	992 ipv6->ip6_plen = (u_short)len + sizeof(struct udphdr);
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	993
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	994 uh->uh_sport = inp->inp_lport;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	995 uh->uh_dport = inp->inp_fport;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	996 uh->uh_ulen = htons(ipv6->ip6_plen);
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	997 uh->uh_sum = 0;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	998
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	999 /*
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1000 * Always calculate udp checksum for IPv6 datagrams
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1001 */
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1002 if (!(uh->uh_sum = in6_cksum(m, IPPROTO_UDP,
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1003 payload, len + sizeof(struct udphdr))))
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1004 uh->uh_sum = 0xffff;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1005
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1006 error = ip6_output(m, inp->inp_outputopts6, &inp->inp_route6,
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1007 inp->inp_socket->so_options & SO_DONTROUTE,
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1008 (inp->inp_flags & INP_IPV6_MCAST)?inp->inp_moptions6:NULL,
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1009 NULL);
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1010 } else
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1011 #endif /* INET6 */
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1012 {
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1013 ui = mtod(m, struct udpiphdr *);
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1014 bzero(ui->ui_x1, sizeof ui->ui_x1);
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1015 ui->ui_pr = IPPROTO_UDP;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1016 ui->ui_len = htons((u_int16_t)len + sizeof (struct udphdr));
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1017 ui->ui_src = inp->inp_laddr;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1018 ui->ui_dst = inp->inp_faddr;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1019 ui->ui_sport = inp->inp_lport;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1020 ui->ui_dport = inp->inp_fport;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1021 ui->ui_ulen = ui->ui_len;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1022
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1023 /*
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1024 * Stuff checksum and output datagram.
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1025 */
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1026
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1027 ui->ui_sum = 0;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1028 if (udpcksum) {
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1029 if ((ui->ui_sum = in_cksum(m, sizeof (struct udpiphdr) +
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1030 len)) == 0)
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1031 ui->ui_sum = 0xffff;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1032 }
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1033 ((struct ip *)ui)->ip_len = sizeof (struct udpiphdr) + len;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1034 #ifdef INET6
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1035 /*
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1036 * For now, we use the default values for ttl and tos for
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1037 * v4 packets sent using a v6 pcb. We probably want to
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1038 * later allow v4 setsockopt operations on a v6 socket to
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1039 * modify the ttl and tos for v4 packets sent using
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1040 * the mapped address format. We really ought to
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1041 * save the v4 ttl and v6 hoplimit in separate places
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1042 * instead of craming both in the inp_hu union.
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1043 */
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1044 if (inp->inp_flags & INP_IPV6) {
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1045 ((struct ip *)ui)->ip_ttl = ip_defttl;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1046 ((struct ip *)ui)->ip_tos = 0;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1047 } else
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1048 #endif /* INET6 */
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1049 {
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1050 ((struct ip *)ui)->ip_ttl = inp->inp_ip.ip_ttl;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1051 ((struct ip *)ui)->ip_tos = inp->inp_ip.ip_tos;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1052 }
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1053
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1054 udpstat.udps_opackets++;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1055 #ifdef INET6
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1056 if (inp->inp_flags & INP_IPV6_MCAST) {
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1057 error = ip_output(m, inp->inp_options, &inp->inp_route,
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1058 inp->inp_socket->so_options &
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1059 (SO_DONTROUTE \| SO_BROADCAST),
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1060 NULL, NULL, inp->inp_socket);
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1061 } else
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1062 #endif /* INET6 */
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1063 {
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1064 error = ip_output(m, inp->inp_options, &inp->inp_route,
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1065 inp->inp_socket->so_options &
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1066 (SO_DONTROUTE \| SO_BROADCAST),
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1067 inp->inp_moptions, inp, NULL);
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1068 }
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1069 }
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1070
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1071 bail:
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1072 if (addr) {
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1073 in_pcbdisconnect(inp);
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1074 inp->inp_flags = pcbflags;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1075 #ifdef INET6
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1076 if (inp->inp_flags & INP_IPV6)
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1077 inp->inp_laddr6 = laddr6;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1078 else
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1079 #endif
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1080 inp->inp_laddr = laddr;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1081 splx(s);
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1082 }
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1083 if (control) {
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1084 #ifdef INET6
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1085 if (v6packet)
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1086 inp->inp_outputopts6 = stickyopt;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1087 #endif
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1088 m_freem(control);
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1089 }
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1090 return (error);
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1091
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1092 release:
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1093 m_freem(m);
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1094 if (control) {
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1095 #ifdef INET6
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1096 if (v6packet)
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1097 inp->inp_outputopts6 = stickyopt;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1098 #endif
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1099 m_freem(control);
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1100 }
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1101 return (error);
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1102 }
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1103
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1104 u_int udp_sendspace = 9216; /* really max datagram size */
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1105 u_int udp_recvspace = 40 * (1024 + sizeof(struct sockaddr_in));
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1106 /* 40 1K datagrams */
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1107
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1108 #if defined(INET6) && !defined(TCP6)
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1109 /ARGSUSED/
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1110 int
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1111 udp6_usrreq(so, req, m, addr, control, p)
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1112 struct socket *so;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1113 int req;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1114 struct mbuf m, addr, *control;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1115 struct proc *p;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1116 {
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1117 return udp_usrreq(so, req, m, addr, control);
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1118 }
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1119 #endif
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1120
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1121 /ARGSUSED/
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1122 int
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1123 udp_usrreq(so, req, m, addr, control)
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1124 struct socket *so;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1125 int req;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1126 struct mbuf m, addr, *control;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1127 {
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1128 struct inpcb *inp = sotoinpcb(so);
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1129 int error = 0;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1130 int s;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1131
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1132 if (req == PRU_CONTROL) {
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1133 #ifdef INET6
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1134 if (inp->inp_flags & INP_IPV6)
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1135 return (in6_control(so, (u_long)m, (caddr_t)addr,
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1136 (struct ifnet *)control, 0));
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1137 else
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1138 #endif /* INET6 */
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1139 return (in_control(so, (u_long)m, (caddr_t)addr,
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1140 (struct ifnet *)control));
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1141 }
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1142 if (inp == NULL && req != PRU_ATTACH) {
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1143 error = EINVAL;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1144 goto release;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1145 }
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1146 /*
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1147 * Note: need to block udp_input while changing
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1148 * the udp pcb queue and/or pcb addresses.
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1149 */
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1150 switch (req) {
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1151
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1152 case PRU_ATTACH:
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1153 if (inp != NULL) {
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1154 error = EINVAL;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1155 break;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1156 }
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1157 s = splsoftnet();
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1158 error = in_pcballoc(so, &udbtable);
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1159 splx(s);
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1160 if (error)
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1161 break;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1162 error = soreserve(so, udp_sendspace, udp_recvspace);
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1163 if (error)
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1164 break;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1165 #ifdef INET6
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1166 if (((struct inpcb *)so->so_pcb)->inp_flags & INP_IPV6)
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1167 ((struct inpcb *) so->so_pcb)->inp_ipv6.ip6_hlim =
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1168 ip6_defhlim;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1169 else
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1170 #endif /* INET6 */
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1171 ((struct inpcb *) so->so_pcb)->inp_ip.ip_ttl = ip_defttl;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1172 break;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1173
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1174 case PRU_DETACH:
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1175 udp_detach(inp);
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1176 break;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1177
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1178 case PRU_BIND:
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1179 s = splsoftnet();
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1180 #ifdef INET6
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1181 if (inp->inp_flags & INP_IPV6)
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1182 error = in6_pcbbind(inp, addr);
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1183 else
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1184 #endif
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1185 error = in_pcbbind(inp, addr);
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1186 splx(s);
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1187 break;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1188
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1189 case PRU_LISTEN:
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1190 error = EOPNOTSUPP;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1191 break;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1192
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1193 case PRU_CONNECT:
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1194 #ifdef INET6
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1195 if (inp->inp_flags & INP_IPV6) {
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1196 if (!IN6_IS_ADDR_UNSPECIFIED(&inp->inp_faddr6)) {
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1197 error = EISCONN;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1198 break;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1199 }
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1200 s = splsoftnet();
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1201 error = in6_pcbconnect(inp, addr);
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1202 splx(s);
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1203 } else
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1204 #endif /* INET6 */
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1205 {
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1206 if (inp->inp_faddr.s_addr != INADDR_ANY) {
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1207 error = EISCONN;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1208 break;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1209 }
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1210 s = splsoftnet();
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1211 error = in_pcbconnect(inp, addr);
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1212 splx(s);
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1213 }
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1214
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1215 if (error == 0)
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1216 soisconnected(so);
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1217 break;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1218
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1219 case PRU_CONNECT2:
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1220 error = EOPNOTSUPP;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1221 break;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1222
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1223 case PRU_ACCEPT:
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1224 error = EOPNOTSUPP;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1225 break;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1226
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1227 case PRU_DISCONNECT:
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1228 #ifdef INET6
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1229 if (inp->inp_flags & INP_IPV6) {
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1230 if (IN6_IS_ADDR_UNSPECIFIED(&inp->inp_faddr6)) {
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1231 error = ENOTCONN;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1232 break;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1233 }
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1234 } else
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1235 #endif /* INET6 */
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1236 if (inp->inp_faddr.s_addr == INADDR_ANY) {
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1237 error = ENOTCONN;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1238 break;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1239 }
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1240
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1241 s = splsoftnet();
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1242 in_pcbdisconnect(inp);
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1243 #ifdef INET6
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1244 if (inp->inp_flags & INP_IPV6)
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1245 inp->inp_laddr6 = in6addr_any;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1246 else
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1247 #endif /* INET6 */
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1248 inp->inp_laddr.s_addr = INADDR_ANY;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1249
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1250 splx(s);
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1251 so->so_state &= ~SS_ISCONNECTED; /* XXX */
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1252 break;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1253
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1254 case PRU_SHUTDOWN:
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1255 socantsendmore(so);
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1256 break;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1257
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1258 case PRU_SEND:
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1259 #ifdef IPSEC
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1260 error = check_ipsec_policy(inp,0);
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1261 if (error)
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1262 return (error);
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1263 #endif
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1264 return (udp_output(m, inp, addr, control));
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1265
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1266 case PRU_ABORT:
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1267 soisdisconnected(so);
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1268 udp_detach(inp);
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1269 break;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1270
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1271 case PRU_SOCKADDR:
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1272 #ifdef INET6
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1273 if (inp->inp_flags & INP_IPV6)
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1274 in6_setsockaddr(inp, addr);
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1275 else
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1276 #endif /* INET6 */
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1277 in_setsockaddr(inp, addr);
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1278 break;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1279
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1280 case PRU_PEERADDR:
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1281 #ifdef INET6
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1282 if (inp->inp_flags & INP_IPV6)
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1283 in6_setpeeraddr(inp, addr);
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1284 else
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1285 #endif /* INET6 */
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1286 in_setpeeraddr(inp, addr);
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1287 break;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1288
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1289 case PRU_SENSE:
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1290 /*
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1291 * stat: don't bother with a blocksize.
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1292 */
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1293 /*
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1294 * Perhaps Path MTU might be returned for a connected
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1295 * UDP socket in this case.
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1296 */
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1297 return (0);
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1298
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1299 case PRU_SENDOOB:
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1300 case PRU_FASTTIMO:
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1301 case PRU_SLOWTIMO:
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1302 case PRU_PROTORCV:
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1303 case PRU_PROTOSEND:
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1304 error = EOPNOTSUPP;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1305 break;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1306
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1307 case PRU_RCVD:
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1308 case PRU_RCVOOB:
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1309 return (EOPNOTSUPP); /* do not free mbuf's */
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1310
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1311 default:
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1312 panic("udp_usrreq");
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1313 }
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1314
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1315 release:
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1316 if (control) {
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1317 #ifdef __ECOS
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1318 diag_printf("udp control data unexpectedly retained\n");
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1319 #else
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1320 printf("udp control data unexpectedly retained\n");
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1321 #endif
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1322 m_freem(control);
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1323 }
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1324 if (m)
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1325 m_freem(m);
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1326 return (error);
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1327 }
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1328
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1329 static void
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1330 udp_detach(inp)
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1331 struct inpcb *inp;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1332 {
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1333 int s = splsoftnet();
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1334
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1335 in_pcbdetach(inp);
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1336 splx(s);
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1337 }
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1338
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1339 #ifdef CYGPKG_NET_SYSCTL
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1340 /*
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1341 * Sysctl for udp variables.
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1342 */
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1343 int
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1344 udp_sysctl(name, namelen, oldp, oldlenp, newp, newlen)
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1345 int *name;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1346 u_int namelen;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1347 void *oldp;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1348 size_t *oldlenp;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1349 void *newp;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1350 size_t newlen;
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1351 {
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1352 /* All sysctl names at this level are terminal. */
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1353 if (namelen != 1)
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1354 return (ENOTDIR);
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1355
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1356 switch (name[0]) {
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1357 case UDPCTL_CHECKSUM:
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1358 return (sysctl_int(oldp, oldlenp, newp, newlen, &udpcksum));
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1359 case UDPCTL_BADDYNAMIC:
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1360 return (sysctl_struct(oldp, oldlenp, newp, newlen,
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1361 baddynamicports.udp, sizeof(baddynamicports.udp)));
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1362 case UDPCTL_RECVSPACE:
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1363 return (sysctl_int(oldp, oldlenp, newp, newlen,&udp_recvspace));
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1364 case UDPCTL_SENDSPACE:
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1365 return (sysctl_int(oldp, oldlenp, newp, newlen,&udp_sendspace));
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1366 default:
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1367 return (ENOPROTOOPT);
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1368 }
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1369 /* NOTREACHED */
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1370 }
ced4577552cd Merge from eCos master repository on 2000-06-06-08:44:00-BST jlarmour parents: diff changeset	1371 #endif // CYGPKG_NET_SYSCTL

Mercurial > ecos-v3_0-branch

annotate packages/net/tcpip/current/src/sys/netinet/udp_usrreq.c @ 2729:74dbf4c3f2e1 after-copyright-change-20090129