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Add IPv6 support to the ng_ipfw(4) [1]. Also add ifdefs to be able

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build it with and without INET/INET6 support.

Submitted by:	Alexander V. Chernikov <melifaro at yandex-team.ru> [1]
Tested by:	Alexander V. Chernikov <melifaro at yandex-team.ru> [1]
Approved by:	re (bz)
MFC after:	2 weeks
This commit is contained in:
Andrey V. Elsukov 2011-09-15 12:28:17 +00:00
parent 3657c405e3
commit f2a66f8e17
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=225586
2 changed files with 57 additions and 13 deletions
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16
sys/modules/netgraph/ipfw/Makefile
View File

@ -1,6 +1,20 @@
# $FreeBSD$
.include <bsd.own.mk>
KMOD= ng_ipfw
SRCS= ng_ipfw.c
SRCS= ng_ipfw.c opt_inet.h opt_inet6.h
.if !defined(KERNBUILDDIR)
.if ${MK_INET_SUPPORT} != "no"
opt_inet.h:
echo "#define INET 1" > ${.TARGET}
.endif
.if ${MK_INET6_SUPPORT} != "no"
opt_inet6.h:
echo "#define INET6 1" > ${.TARGET}
.endif
.endif
.include <bsd.kmod.mk>

54
sys/netgraph/ng_ipfw.c
View File

@ -26,6 +26,9 @@
* $FreeBSD$
*/
#include "opt_inet.h"
#include "opt_inet6.h"
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
@ -47,6 +50,8 @@
#include <netinet/ip_fw.h>
#include <netinet/ipfw/ip_fw_private.h>
#include <netinet/ip.h>
#include <netinet/ip6.h>
#include <netinet6/ip6_var.h>
#include <netgraph/ng_message.h>
#include <netgraph/ng_parse.h>
@ -224,6 +229,7 @@ ng_ipfw_rcvdata(hook_p hook, item_p item)
struct m_tag *tag;
struct ipfw_rule_ref *r;
struct mbuf *m;
struct ip *ip;
NGI_GET_M(item, m);
NG_FREE_ITEM(item);
@ -234,23 +240,47 @@ ng_ipfw_rcvdata(hook_p hook, item_p item)
return (EINVAL); /* XXX: find smth better */
};
if (m->m_len < sizeof(struct ip) &&
(m = m_pullup(m, sizeof(struct ip))) == NULL)
return (EINVAL);
ip = mtod(m, struct ip *);
r = (struct ipfw_rule_ref *)(tag + 1);
if (r->info & IPFW_INFO_IN) {
ip_input(m);
switch (ip->ip_v) {
#ifdef INET
case IPVERSION:
ip_input(m);
break;
#endif
#ifdef INET6
case IPV6_VERSION >> 4:
ip6_input(m);
break;
#endif
default:
NG_FREE_M(m);
return (EINVAL);
}
return (0);
} else {
struct ip *ip;
if (m->m_len < sizeof(struct ip) &&
(m = m_pullup(m, sizeof(struct ip))) == NULL)
switch (ip->ip_v) {
#ifdef INET
case IPVERSION:
SET_HOST_IPLEN(ip);
return (ip_output(m, NULL, NULL, IP_FORWARDING,
NULL, NULL));
#endif
#ifdef INET6
case IPV6_VERSION >> 4:
return (ip6_output(m, NULL, NULL, 0, NULL,
NULL, NULL));
#endif
default:
return (EINVAL);
ip = mtod(m, struct ip *);
SET_HOST_IPLEN(ip);
return ip_output(m, NULL, NULL, IP_FORWARDING, NULL, NULL);
}
}
}
}
static int