Author: bz
Date: Fri Feb 10 06:43:16 2012
New Revision: 231348
URL: http://svn.freebsd.org/changeset/base/231348
Log:
MFC r223735:
Add infrastructure to allow all frames/packets received on an interface
to be assigned to a non-default FIB instance.
Submitted by: cjsp
Submitted by: Alexander V. Chernikov (melifaro ipfw.ru)
(original versions)
Reviewed by: julian
Reviewed by: Alexander V. Chernikov (melifaro ipfw.ru)
Reviewed by: melifaro
Added:
stable/7/sbin/ifconfig/iffib.c
- copied unchanged from r223735, head/sbin/ifconfig/iffib.c
Modified:
stable/7/sbin/ifconfig/Makefile
stable/7/sbin/ifconfig/ifconfig.8
stable/7/share/man/man9/ifnet.9
stable/7/sys/net/if.c
stable/7/sys/net/if.h
stable/7/sys/net/if_var.h
stable/7/sys/sys/priv.h
stable/7/sys/sys/sockio.h
Directory Properties:
stable/7/sbin/ifconfig/ (props changed)
stable/7/share/man/man9/ (props changed)
stable/7/sys/ (props changed)
Modified: stable/7/sbin/ifconfig/Makefile
==============================================================================
--- stable/7/sbin/ifconfig/Makefile Fri Feb 10 06:42:50 2012
(r231347)
+++ stable/7/sbin/ifconfig/Makefile Fri Feb 10 06:43:16 2012
(r231348)
@@ -22,6 +22,7 @@ SRCS+= af_atalk.c # AppleTalk support
SRCS+= ifclone.c # clone device support
SRCS+= ifmac.c # MAC support
SRCS+= ifmedia.c # SIOC[GS]IFMEDIA support
+SRCS+= iffib.c # non-default FIB support
SRCS+= ifvlan.c # SIOC[GS]ETVLAN support
SRCS+= ifieee80211.c # SIOC[GS]IEEE80211 support
SRCS+= ifgre.c # GRE keys etc
Modified: stable/7/sbin/ifconfig/ifconfig.8
==============================================================================
--- stable/7/sbin/ifconfig/ifconfig.8 Fri Feb 10 06:42:50 2012
(r231347)
+++ stable/7/sbin/ifconfig/ifconfig.8 Fri Feb 10 06:43:16 2012
(r231348)
@@ -288,6 +288,19 @@ Remove the interface from the given
Fill interface index
(lowermost 64bit of an IPv6 address)
automatically.
+.It Cm fib Ar fib_number
+Specify interface FIB.
+A FIB
+.Ar fib_number
+is assigned to all frames or packets received on that interface.
+The FIB is not inherited, e.g. vlans or other sub-interfaces will use
+the default FIB (0) irrespective of the parent interface's FIB.
+The kernel needs to be tuned to support more than the default FIB
+using the
+.Va ROUTETABLES
+kernel configuration option, or the
+.Va net.fibs
+tunable.
.It Cm ipdst
This is used to specify an Internet host who is willing to receive
IP packets encapsulating IPX packets bound for a remote network.
Copied: stable/7/sbin/ifconfig/iffib.c (from r223735,
head/sbin/ifconfig/iffib.c)
==============================================================================
--- /dev/null 00:00:00 1970 (empty, because file is newly added)
+++ stable/7/sbin/ifconfig/iffib.c Fri Feb 10 06:43:16 2012
(r231348, copy of r223735, head/sbin/ifconfig/iffib.c)
@@ -0,0 +1,103 @@
+/*-
+ * Copyright (c) 2011 Alexander V. Chernikov
+ * Copyright (c) 2011 Christian S.J. Peron
+ * Copyright (c) 2011 Bjoern A. Zeeb
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * $FreeBSD$
+ */
+
+#include <sys/param.h>
+#include <sys/ioctl.h>
+#include <sys/socket.h>
+#include <sys/sockio.h>
+
+#include <net/if.h>
+#include <net/route.h>
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <err.h>
+
+#include "ifconfig.h"
+
+static void
+fib_status(int s)
+{
+ struct ifreq ifr;
+
+ memset(&ifr, 0, sizeof(ifr));
+ strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name));
+
+ if (ioctl(s, SIOCGIFFIB, (caddr_t)&ifr) < 0)
+ return;
+
+ /* Ignore if it is the default. */
+ if (ifr.ifr_fib == 0)
+ return;
+
+ printf("\tfib: %u\n", ifr.ifr_fib);
+}
+
+static void
+setiffib(const char *val, int dummy __unused, int s,
+ const struct afswtch *afp)
+{
+ unsigned long fib;
+ char *ep;
+
+ fib = strtoul(val, &ep, 0);
+ if (*ep != '\0' || fib > UINT_MAX) {
+ warn("fib %s not valid", val);
+ return;
+ }
+
+ strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name));
+ ifr.ifr_fib = fib;
+ if (ioctl(s, SIOCSIFFIB, (caddr_t)&ifr) < 0)
+ warn("ioctl (SIOCSIFFIB)");
+}
+
+static struct cmd fib_cmds[] = {
+ DEF_CMD_ARG("fib", setiffib),
+};
+
+static struct afswtch af_fib = {
+ .af_name = "af_fib",
+ .af_af = AF_UNSPEC,
+ .af_other_status = fib_status,
+};
+
+static __constructor void
+fib_ctor(void)
+{
+#define N(a) (sizeof(a) / sizeof(a[0]))
+ size_t i;
+
+ for (i = 0; i < N(fib_cmds); i++)
+ cmd_register(&fib_cmds[i]);
+ af_register(&af_fib);
+#undef N
+}
Modified: stable/7/share/man/man9/ifnet.9
==============================================================================
--- stable/7/share/man/man9/ifnet.9 Fri Feb 10 06:42:50 2012
(r231347)
+++ stable/7/share/man/man9/ifnet.9 Fri Feb 10 06:43:16 2012
(r231348)
@@ -28,8 +28,7 @@
.\"
.\" $FreeBSD$
.\"
-.Dd March 14, 2007
-.Os
+.Dd July 3, 2011
.Dt IFNET 9
.Sh NAME
.Nm ifnet ,
@@ -1129,11 +1128,12 @@ list.
Caller must have appropriate privilege.
(No call-down to driver.)
.It Dv SIOCGIFCAP
+.It Dv SIOCGIFFIB
.It Dv SIOCGIFFLAGS
.It Dv SIOCGIFMETRIC
.It Dv SIOCGIFMTU
.It Dv SIOCGIFPHYS
-Get interface capabilities, flags, metric, MTU, medium selection.
+Get interface capabilities, FIB, flags, metric, MTU, medium selection.
(No call-down to driver.)
.Pp
.It Dv SIOCSIFCAP
@@ -1152,6 +1152,12 @@ and
.Va if_data.ifi_hwassist
appropriately.
.Pp
+.It Dv SIOCSIFFIB
+Sets interface FIB.
+Caller must have appropriate privilege.
+FIB values start at 0 and values greater or equals than
+.Va net.fibs
+are considered invalid.
.It Dv SIOCSIFFLAGS
Change interface flags.
Caller must have appropriate privilege.
Modified: stable/7/sys/net/if.c
==============================================================================
--- stable/7/sys/net/if.c Fri Feb 10 06:42:50 2012 (r231347)
+++ stable/7/sys/net/if.c Fri Feb 10 06:43:16 2012 (r231348)
@@ -56,6 +56,8 @@
#include <sys/taskqueue.h>
#include <sys/domain.h>
#include <sys/jail.h>
+#include <sys/priv.h>
+
#include <machine/stdarg.h>
#include <net/if.h>
@@ -1683,6 +1685,20 @@ ifhwioctl(u_long cmd, struct ifnet *ifp,
ifr->ifr_phys = ifp->if_physical;
break;
+ case SIOCGIFFIB:
+ ifr->ifr_fib = ifp->if_fib;
+ break;
+
+ case SIOCSIFFIB:
+ error = priv_check(td, PRIV_NET_SETIFFIB);
+ if (error)
+ return (error);
+ if (ifr->ifr_fib >= rt_numfibs)
+ return (EINVAL);
+
+ ifp->if_fib = ifr->ifr_fib;
+ break;
+
case SIOCSIFFLAGS:
error = priv_check(td, PRIV_NET_SETIFFLAGS);
if (error)
Modified: stable/7/sys/net/if.h
==============================================================================
--- stable/7/sys/net/if.h Fri Feb 10 06:42:50 2012 (r231347)
+++ stable/7/sys/net/if.h Fri Feb 10 06:43:16 2012 (r231348)
@@ -303,6 +303,7 @@ struct ifreq {
int ifru_media;
caddr_t ifru_data;
int ifru_cap[2];
+ u_int ifru_fib;
} ifr_ifru;
#define ifr_addr ifr_ifru.ifru_addr /* address */
#define ifr_dstaddr ifr_ifru.ifru_dstaddr /* other end of p-to-p
link */
@@ -317,6 +318,7 @@ struct ifreq {
#define ifr_reqcap ifr_ifru.ifru_cap[0] /* requested
capabilities */
#define ifr_curcap ifr_ifru.ifru_cap[1] /* current capabilities
*/
#define ifr_index ifr_ifru.ifru_index /* interface index */
+#define ifr_fib ifr_ifru.ifru_fib /* interface fib */
};
#define _SIZEOF_ADDR_IFREQ(ifr) \
Modified: stable/7/sys/net/if_var.h
==============================================================================
--- stable/7/sys/net/if_var.h Fri Feb 10 06:42:50 2012 (r231347)
+++ stable/7/sys/net/if_var.h Fri Feb 10 06:43:16 2012 (r231348)
@@ -187,7 +187,8 @@ struct ifnet {
void *if_pf_kif;
void *if_lagg; /* lagg glue */
void *if_pspare[10]; /* multiq/TOE 3; vimage 3; general use
4 */
- int if_ispare[2]; /* general use 2 */
+ int if_ispare[1]; /* general use */
+ u_int if_fib; /* interface FIB */
};
typedef void if_init_f_t(void *);
Modified: stable/7/sys/sys/priv.h
==============================================================================
--- stable/7/sys/sys/priv.h Fri Feb 10 06:42:50 2012 (r231347)
+++ stable/7/sys/sys/priv.h Fri Feb 10 06:43:16 2012 (r231348)
@@ -328,6 +328,7 @@
#define PRIV_NET_DELIFADDR 414 /* Delete protocol addr on
interface. */
#define PRIV_NET_LAGG 415 /* Administer lagg interface. */
#define PRIV_NET_GIF 416 /* Administer gif interface. */
+#define PRIV_NET_SETIFFIB 419 /* Set interface fib. */
/*
* 802.11-related privileges.
Modified: stable/7/sys/sys/sockio.h
==============================================================================
--- stable/7/sys/sys/sockio.h Fri Feb 10 06:42:50 2012 (r231347)
+++ stable/7/sys/sys/sockio.h Fri Feb 10 06:43:16 2012 (r231348)
@@ -108,6 +108,9 @@
#define SIOCGPRIVATE_0 _IOWR('i', 80, struct ifreq) /* device
private 0 */
#define SIOCGPRIVATE_1 _IOWR('i', 81, struct ifreq) /* device
private 1 */
+#define SIOCGIFFIB _IOWR('i', 92, struct ifreq) /* get IF fib */
+#define SIOCSIFFIB _IOW('i', 93, struct ifreq) /* set IF fib */
+
#define SIOCSDRVSPEC _IOW('i', 123, struct ifdrv) /* set
driver-specific
parameters */
#define SIOCGDRVSPEC _IOWR('i', 123, struct ifdrv) /* get
driver-specific
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