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- add 'ip rule' support. First take..

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text    data     bss     dec     hex filename
   2999       0       0    2999     bb7 networking/libiproute/iprule.o
This commit is contained in:
Bernhard Reutner-Fischer 2006-11-21 15:36:08 +00:00
parent 04b30ba3b8
commit 921f5df25f
14 changed files with 497 additions and 28 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
include/applets.h
View File

@ -164,6 +164,7 @@ USE_IPCRM(APPLET(ipcrm, _BB_DIR_USR_BIN, _BB_SUID_ALWAYS))
USE_IPCS(APPLET(ipcs, _BB_DIR_USR_BIN, _BB_SUID_ALWAYS))
USE_IPLINK(APPLET(iplink, _BB_DIR_BIN, _BB_SUID_NEVER))
USE_IPROUTE(APPLET(iproute, _BB_DIR_BIN, _BB_SUID_NEVER))
USE_IPRULE(APPLET(iprule, _BB_DIR_BIN, _BB_SUID_NEVER))
USE_IPTUNNEL(APPLET(iptunnel, _BB_DIR_BIN, _BB_SUID_NEVER))
USE_KILL(APPLET(kill, _BB_DIR_BIN, _BB_SUID_NEVER))
USE_KILLALL(APPLET_ODDNAME(killall, kill, _BB_DIR_USR_BIN, _BB_SUID_NEVER, killall))

17
include/usage.h
View File

@ -1453,10 +1453,10 @@ USE_FEATURE_DATE_ISOFMT( \
"\t-s\tstrip symbol tables"
#define ip_trivial_usage \
"[ OPTIONS ] { address | link | route | tunnel } { COMMAND | help }"
"[OPTIONS] {address | link | route | tunnel | rule} {COMMAND}"
#define ip_full_usage \
"ip [ OPTIONS ] OBJECT { COMMAND | help }\n" \
"where OBJECT := { link | addr | route | tunnel }\n" \
"ip [OPTIONS] OBJECT {COMMAND}\n" \
"where OBJECT := {link | addr | route | tunnel |rule}\n" \
"OPTIONS := { -f[amily] { inet | inet6 | link } | -o[neline] }"
#define ipaddr_trivial_usage \
@ -1529,6 +1529,17 @@ USE_FEATURE_DATE_ISOFMT( \
"\t\t\tSELECTOR := [ root PREFIX ] [ match PREFIX ] [ proto RTPROTO ]\n" \
"\t\t\tROUTE := [ TYPE ] PREFIX [ tos TOS ] [ proto RTPROTO ]"
#define iprule_trivial_usage \
"{[ list | add | del ] RULE}"
#define iprule_full_usage \
"iprule [ list | add | del ] SELECTOR ACTION\n" \
"\tSELECTOR := [ from PREFIX ] [ to PREFIX ] [ tos TOS ] [ fwmark FWMARK ]\n" \
"\t\t\t[ dev STRING ] [ pref NUMBER ]\n" \
"\tACTION := [ table TABLE_ID ] [ nat ADDRESS ]\n" \
"\t\t\t[ prohibit | reject | unreachable ]\n" \
"\t\t\t[ realms [SRCREALM/]DSTREALM ]\n" \
"\tTABLE_ID := [ local | main | default | NUMBER ]"
#define iptunnel_trivial_usage \
"{ add | change | del | show } [ NAME ]\n" \
"\t\t[ mode { ipip | gre | sit } ]\n" \

12
networking/Config.in
View File

@ -364,6 +364,13 @@ config FEATURE_IP_TUNNEL
help
Add support for tunneling commands to "ip".
config FEATURE_IP_RULE
bool "ip rule"
default n
depends on IP
help
Add support for rule commands to "ip".
config FEATURE_IP_SHORT_FORMS
bool "Support short forms of ip commands."
default n
@ -398,6 +405,11 @@ config IPTUNNEL
default y
depends on FEATURE_IP_SHORT_FORMS && FEATURE_IP_TUNNEL
config IPRULE
bool
default y
depends on FEATURE_IP_SHORT_FORMS && FEATURE_IP_RULE
config IPCALC
bool "ipcalc"
default n

1
networking/Kbuild
View File

@ -21,6 +21,7 @@ lib-$(CONFIG_IPCALC) += ipcalc.o
lib-$(CONFIG_IPADDR) += ipaddr.o
lib-$(CONFIG_IPLINK) += iplink.o
lib-$(CONFIG_IPROUTE) += iproute.o
lib-$(CONFIG_IPRULE) += iprule.o
lib-$(CONFIG_IPTUNNEL) += iptunnel.o
lib-$(CONFIG_NAMEIF) += nameif.o
lib-$(CONFIG_NC) += nc.o

20
networking/ip.c
View File

@ -24,26 +24,22 @@ int ip_main(int argc, char **argv)
ip_parse_common_args(&argc, &argv);
if (argc > 1) {
#ifdef CONFIG_FEATURE_IP_ADDRESS
if (matches(argv[1], "address") == 0) {
if (ENABLE_FEATURE_IP_ADDRESS && matches(argv[1], "address") == 0) {
ret = do_ipaddr(argc-2, argv+2);
}
#endif
#ifdef CONFIG_FEATURE_IP_ROUTE
if (matches(argv[1], "route") == 0) {
if (ENABLE_FEATURE_IP_ROUTE && matches(argv[1], "route") == 0) {
ret = do_iproute(argc-2, argv+2);
}
#endif
#ifdef CONFIG_FEATURE_IP_LINK
if (matches(argv[1], "link") == 0) {
if (ENABLE_FEATURE_IP_LINK && matches(argv[1], "link") == 0) {
ret = do_iplink(argc-2, argv+2);
}
#endif
#ifdef CONFIG_FEATURE_IP_TUNNEL
if (matches(argv[1], "tunnel") == 0 || strcmp(argv[1], "tunl") == 0) {
if (ENABLE_FEATURE_IP_TUNNEL &&
(matches(argv[1], "tunnel") == 0 || strcmp(argv[1], "tunl") == 0)) {
ret = do_iptunnel(argc-2, argv+2);
}
#endif
if (ENABLE_FEATURE_IP_RULE && matches(argv[1], "rule") == 0) {
ret = do_iprule(argc-2, argv+2);
}
}
if (ret) {
bb_show_usage();

25
networking/iprule.c Normal file
View File

@ -0,0 +1,25 @@
/* vi: set sw=4 ts=4: */
/*
* ip.c "ip" utility frontend.
*
* Licensed under the GPL v2 or later, see the file LICENSE in this tarball.
*
* Authors: Alexey Kuznetsov, <kuznet@ms2.inr.ac.ru>
*
*
* Changes:
*
* Rani Assaf <rani@magic.metawire.com> 980929: resolve addresses
*/
#include "libiproute/utils.h"
#include "libiproute/ip_common.h"
#include "busybox.h"
int iprule_main(int argc, char **argv)
{
ip_parse_common_args(&argc, &argv);
return do_iprule(argc-1, argv+1);
}

8
networking/libiproute/Kbuild
View File

@ -12,6 +12,7 @@ lib-$(CONFIG_IP) += \
iplink.o \
iproute.o \
iptunnel.o \
iprule.o \
libnetlink.o \
ll_addr.o \
ll_map.o \
@ -56,3 +57,10 @@ lib-$(CONFIG_IPTUNNEL) += \
iptunnel.o \
rt_names.o \
utils.o
lib-$(CONFIG_IPRULE) += \
ip_parse_common_args.o \
iprule.o \
rt_names.o \
utils.o

2
networking/libiproute/ipaddress.c
View File

@ -99,7 +99,7 @@ static void print_queuelen(char *name)
}
static int print_linkinfo(struct sockaddr_nl ATTRIBUTE_UNUSED *who,
struct nlmsghdr *n, void ATTRIBUTE_UNUSED *arg)
const struct nlmsghdr *n, void ATTRIBUTE_UNUSED *arg)
{
FILE *fp = (FILE*)arg;
struct ifinfomsg *ifi = NLMSG_DATA(n);

331
networking/libiproute/iprule.c Normal file
View File

@ -0,0 +1,331 @@
/* vi: set sw=4 ts=4: */
/*
* iprule.c "ip rule".
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version
* 2 of the License, or (at your option) any later version.
*
* Authors: Alexey Kuznetsov, <kuznet@ms2.inr.ac.ru>
*
*
* Changes:
*
* Rani Assaf <rani@magic.metawire.com> 980929: resolve addresses
*/
#include "libbb.h"
#include <syslog.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <netinet/ip.h>
#include <arpa/inet.h>
#include "rt_names.h"
#include "utils.h"
/*
static void usage(void) __attribute__((noreturn));
static void usage(void)
{
fprintf(stderr, "Usage: ip rule [ list | add | del ] SELECTOR ACTION\n");
fprintf(stderr, "SELECTOR := [ from PREFIX ] [ to PREFIX ] [ tos TOS ] [ fwmark FWMARK ]\n");
fprintf(stderr, " [ dev STRING ] [ pref NUMBER ]\n");
fprintf(stderr, "ACTION := [ table TABLE_ID ] [ nat ADDRESS ]\n");
fprintf(stderr, " [ prohibit | reject | unreachable ]\n");
fprintf(stderr, " [ realms [SRCREALM/]DSTREALM ]\n");
fprintf(stderr, "TABLE_ID := [ local | main | default | NUMBER ]\n");
exit(-1);
}
*/
static int print_rule(struct sockaddr_nl *who ATTRIBUTE_UNUSED,
struct nlmsghdr *n, void *arg)
{
FILE *fp = (FILE*)arg;
struct rtmsg *r = NLMSG_DATA(n);
int len = n->nlmsg_len;
int host_len = -1;
struct rtattr * tb[RTA_MAX+1];
char abuf[256];
SPRINT_BUF(b1);
if (n->nlmsg_type != RTM_NEWRULE)
return 0;
len -= NLMSG_LENGTH(sizeof(*r));
if (len < 0)
return -1;
memset(tb, 0, sizeof(tb));
parse_rtattr(tb, RTA_MAX, RTM_RTA(r), len);
if (r->rtm_family == AF_INET)
host_len = 32;
else if (r->rtm_family == AF_INET6)
host_len = 128;
/* else if (r->rtm_family == AF_DECnet)
host_len = 16;
else if (r->rtm_family == AF_IPX)
host_len = 80;
*/
if (tb[RTA_PRIORITY])
fprintf(fp, "%u:\t", *(unsigned*)RTA_DATA(tb[RTA_PRIORITY]));
else
fprintf(fp, "0:\t");
fprintf(fp, "from ");
if (tb[RTA_SRC]) {
if (r->rtm_src_len != host_len) {
fprintf(fp, "%s/%u", rt_addr_n2a(r->rtm_family,
RTA_PAYLOAD(tb[RTA_SRC]),
RTA_DATA(tb[RTA_SRC]),
abuf, sizeof(abuf)),
r->rtm_src_len
);
} else {
fprintf(fp, "%s", format_host(r->rtm_family,
RTA_PAYLOAD(tb[RTA_SRC]),
RTA_DATA(tb[RTA_SRC]),
abuf, sizeof(abuf))
);
}
} else if (r->rtm_src_len) {
fprintf(fp, "0/%d", r->rtm_src_len);
} else {
fprintf(fp, "all");
}
fprintf(fp, " ");
if (tb[RTA_DST]) {
if (r->rtm_dst_len != host_len) {
fprintf(fp, "to %s/%u ", rt_addr_n2a(r->rtm_family,
RTA_PAYLOAD(tb[RTA_DST]),
RTA_DATA(tb[RTA_DST]),
abuf, sizeof(abuf)),
r->rtm_dst_len
);
} else {
fprintf(fp, "to %s ", format_host(r->rtm_family,
RTA_PAYLOAD(tb[RTA_DST]),
RTA_DATA(tb[RTA_DST]),
abuf, sizeof(abuf)));
}
} else if (r->rtm_dst_len) {
fprintf(fp, "to 0/%d ", r->rtm_dst_len);
}
if (r->rtm_tos) {
fprintf(fp, "tos %s ", rtnl_dsfield_n2a(r->rtm_tos, b1, sizeof(b1)));
}
if (tb[RTA_PROTOINFO]) {
fprintf(fp, "fwmark %#x ", *(__u32*)RTA_DATA(tb[RTA_PROTOINFO]));
}
if (tb[RTA_IIF]) {
fprintf(fp, "iif %s ", (char*)RTA_DATA(tb[RTA_IIF]));
}
if (r->rtm_table)
fprintf(fp, "lookup %s ", rtnl_rttable_n2a(r->rtm_table, b1, sizeof(b1)));
if (tb[RTA_FLOW]) {
__u32 to = *(__u32*)RTA_DATA(tb[RTA_FLOW]);
__u32 from = to>>16;
to &= 0xFFFF;
if (from) {
fprintf(fp, "realms %s/",
rtnl_rtrealm_n2a(from, b1, sizeof(b1)));
}
fprintf(fp, "%s ",
rtnl_rtrealm_n2a(to, b1, sizeof(b1)));
}
if (r->rtm_type == RTN_NAT) {
if (tb[RTA_GATEWAY]) {
fprintf(fp, "map-to %s ",
format_host(r->rtm_family,
RTA_PAYLOAD(tb[RTA_GATEWAY]),
RTA_DATA(tb[RTA_GATEWAY]),
abuf, sizeof(abuf)));
} else
fprintf(fp, "masquerade");
} else if (r->rtm_type != RTN_UNICAST)
fprintf(fp, "%s", rtnl_rtntype_n2a(r->rtm_type, b1, sizeof(b1)));
fprintf(fp, "\n");
fflush(fp);
return 0;
}
int iprule_list(int argc, char **argv)
{
struct rtnl_handle rth;
int af = preferred_family;
if (af == AF_UNSPEC)
af = AF_INET;
if (argc > 0) {
bb_error_msg("\"rule show\" needs no arguments");
return -1;
}
if (rtnl_open(&rth, 0) < 0)
return 1;
if (rtnl_wilddump_request(&rth, af, RTM_GETRULE) < 0) {
bb_perror_msg("Cannot send dump request");
return 1;
}
if (rtnl_dump_filter(&rth, print_rule, stdout, NULL, NULL) < 0) {
bb_error_msg("Dump terminated");
return 1;
}
return 0;
}
int iprule_modify(int cmd, int argc, char **argv)
{
int table_ok = 0;
struct rtnl_handle rth;
struct {
struct nlmsghdr n;
struct rtmsg r;
char buf[1024];
} req;
memset(&req, 0, sizeof(req));
req.n.nlmsg_type = cmd;
req.n.nlmsg_len = NLMSG_LENGTH(sizeof(struct rtmsg));
req.n.nlmsg_flags = NLM_F_REQUEST;
req.r.rtm_family = preferred_family;
req.r.rtm_protocol = RTPROT_BOOT;
req.r.rtm_scope = RT_SCOPE_UNIVERSE;
req.r.rtm_table = 0;
req.r.rtm_type = RTN_UNSPEC;
if (cmd == RTM_NEWRULE) {
req.n.nlmsg_flags |= NLM_F_CREATE|NLM_F_EXCL;
req.r.rtm_type = RTN_UNICAST;
}
while (argc > 0) {
if (strcmp(*argv, "from") == 0) {
inet_prefix dst;
NEXT_ARG();
get_prefix(&dst, *argv, req.r.rtm_family);
req.r.rtm_src_len = dst.bitlen;
addattr_l(&req.n, sizeof(req), RTA_SRC, &dst.data, dst.bytelen);
} else if (strcmp(*argv, "to") == 0) {
inet_prefix dst;
NEXT_ARG();
get_prefix(&dst, *argv, req.r.rtm_family);
req.r.rtm_dst_len = dst.bitlen;
addattr_l(&req.n, sizeof(req), RTA_DST, &dst.data, dst.bytelen);
} else if (matches(*argv, "preference") == 0 ||
matches(*argv, "order") == 0 ||
matches(*argv, "priority") == 0) {
__u32 pref;
NEXT_ARG();
if (get_u32(&pref, *argv, 0))
invarg("preference value", *argv);
addattr32(&req.n, sizeof(req), RTA_PRIORITY, pref);
} else if (strcmp(*argv, "tos") == 0) {
__u32 tos;
NEXT_ARG();
if (rtnl_dsfield_a2n(&tos, *argv))
invarg("TOS value", *argv);
req.r.rtm_tos = tos;
} else if (strcmp(*argv, "fwmark") == 0) {
__u32 fwmark;
NEXT_ARG();
if (get_u32(&fwmark, *argv, 0))
invarg("fwmark value", *argv);
addattr32(&req.n, sizeof(req), RTA_PROTOINFO, fwmark);
} else if (matches(*argv, "realms") == 0) {
__u32 realm;
NEXT_ARG();
if (get_rt_realms(&realm, *argv))
invarg("realms", *argv);
addattr32(&req.n, sizeof(req), RTA_FLOW, realm);
} else if (matches(*argv, "table") == 0 ||
strcmp(*argv, "lookup") == 0) {
int tid;
NEXT_ARG();
if (rtnl_rttable_a2n(&tid, *argv))
invarg("table ID", *argv);
req.r.rtm_table = tid;
table_ok = 1;
} else if (strcmp(*argv, "dev") == 0 ||
strcmp(*argv, "iif") == 0) {
NEXT_ARG();
addattr_l(&req.n, sizeof(req), RTA_IIF, *argv, strlen(*argv)+1);
} else if (strcmp(*argv, "nat") == 0 ||
matches(*argv, "map-to") == 0) {
NEXT_ARG();
addattr32(&req.n, sizeof(req), RTA_GATEWAY, get_addr32(*argv));
req.r.rtm_type = RTN_NAT;
} else {
int type;
if (strcmp(*argv, "type") == 0) {
NEXT_ARG();
}
if (matches(*argv, "help") == 0)
bb_show_usage();
if (rtnl_rtntype_a2n(&type, *argv))
invarg("Failed to parse rule type", *argv);
req.r.rtm_type = type;
}
argc--;
argv++;
}
if (req.r.rtm_family == AF_UNSPEC)
req.r.rtm_family = AF_INET;
if (!table_ok && cmd == RTM_NEWRULE)
req.r.rtm_table = RT_TABLE_MAIN;
if (rtnl_open(&rth, 0) < 0)
return 1;
if (rtnl_talk(&rth, &req.n, 0, 0, NULL, NULL, NULL) < 0)
return 2;
return 0;
}
int do_iprule(int argc, char **argv)
{
static const char * const ip_rule_commands[] =
{"add", "delete", "list", "show", 0};
int command_num = 2;
int cmd;
if (argc < 1)
return iprule_list(0, NULL);
if (*argv)
command_num = index_in_substr_array(ip_rule_commands, *argv);
switch (command_num) {
case 0: /* add */
cmd = RTM_NEWRULE;
break;
case 1: /* delete */
cmd = RTM_DELRULE;
break;
case 2: /* list */
case 3: /* show */
return iprule_list(argc-1, argv+1);
break;
default:
bb_error_msg_and_die("unknown command %s", *argv);
}
return iprule_modify(cmd, argc-1, argv+1);
}

8
networking/libiproute/libnetlink.c
View File

@ -121,10 +121,10 @@ int rtnl_dump_request(struct rtnl_handle *rth, int type, void *req, int len)
}
int rtnl_dump_filter(struct rtnl_handle *rth,
int (*filter)(struct sockaddr_nl *, struct nlmsghdr *n, void *),
void *arg1,
int (*junk)(struct sockaddr_nl *,struct nlmsghdr *n, void *),
void *arg2)
int (*filter)(struct sockaddr_nl *, struct nlmsghdr *n, void *),
void *arg1,
int (*junk)(struct sockaddr_nl *, struct nlmsghdr *n, void *),
void *arg2)
{
char buf[8192];
struct sockaddr_nl nladdr;

14
networking/libiproute/libnetlink.h
View File

@ -20,14 +20,14 @@ extern void rtnl_close(struct rtnl_handle *rth);
extern int rtnl_wilddump_request(struct rtnl_handle *rth, int fam, int type);
extern int rtnl_dump_request(struct rtnl_handle *rth, int type, void *req, int len);
extern int rtnl_dump_filter(struct rtnl_handle *rth,
int (*filter)(struct sockaddr_nl *, struct nlmsghdr *n, void *),
void *arg1,
int (*junk)(struct sockaddr_nl *,struct nlmsghdr *n, void *),
void *arg2);
int (*filter)(struct sockaddr_nl*, struct nlmsghdr *n, void*),
void *arg1,
int (*junk)(struct sockaddr_nl *, struct nlmsghdr *n, void *),
void *arg2);
extern int rtnl_talk(struct rtnl_handle *rtnl, struct nlmsghdr *n, pid_t peer,
unsigned groups, struct nlmsghdr *answer,
int (*junk)(struct sockaddr_nl *,struct nlmsghdr *n, void *),
void *jarg);
unsigned groups, struct nlmsghdr *answer,
int (*junk)(struct sockaddr_nl *,struct nlmsghdr *n, void *),
void *jarg);
extern int rtnl_send(struct rtnl_handle *rth, char *buf, int);

81
networking/libiproute/rt_names.c
View File

@ -240,7 +240,23 @@ int rtnl_rtrealm_a2n(uint32_t *id, char *arg)
return 0;
}
#if ENABLE_FEATURE_IP_RULE
const char * rtnl_rtrealm_n2a(int id, char *buf, int len)
{
if (id<0 || id>=256) {
snprintf(buf, len, "%d", id);
return buf;
}
if (!rtnl_rtrealm_tab[id]) {
if (!rtnl_rtrealm_init)
rtnl_rtrealm_initialize();
}
if (rtnl_rtrealm_tab[id])
return rtnl_rtrealm_tab[id];
snprintf(buf, len, "%d", id);
return buf;
}
#endif
static const char * rtnl_rtdsfield_tab[256] = {
"0",
@ -303,3 +319,66 @@ int rtnl_dsfield_a2n(uint32_t *id, char *arg)
*id = res;
return 0;
}
#if ENABLE_FEATURE_IP_RULE
static int rtnl_rttable_init;
static const char * rtnl_rttable_tab[256] = {
"unspec",
};
static void rtnl_rttable_initialize(void)
{
rtnl_rttable_init = 1;
rtnl_rttable_tab[255] = "local";
rtnl_rttable_tab[254] = "main";
rtnl_rttable_tab[253] = "default";
rtnl_tab_initialize("/etc/iproute2/rt_tables", rtnl_rttable_tab, 256);
}
const char *rtnl_rttable_n2a(int id, char *buf, int len)
{
if (id < 0 || id >= 256) {
snprintf(buf, len, "%d", id);
return buf;
}
if (!rtnl_rttable_tab[id]) {
if (!rtnl_rttable_init)
rtnl_rttable_initialize();
}
if (rtnl_rttable_tab[id])
return rtnl_rttable_tab[id];
snprintf(buf, len, "%d", id);
return buf;
}
int rtnl_rttable_a2n(uint32_t * id, char *arg)
{
static char *cache = NULL;
static unsigned long res;
char *end;
int i;
if (cache && strcmp(cache, arg) == 0) {
*id = res;
return 0;
}
if (!rtnl_rttable_init)
rtnl_rttable_initialize();
for (i = 0; i < 256; i++) {
if (rtnl_rttable_tab[i] && strcmp(rtnl_rttable_tab[i], arg) == 0) {
cache = (char*)rtnl_rttable_tab[i];
res = i;
*id = res;
return 0;
}
}
i = strtoul(arg, &end, 0);
if (!end || end == arg || *end || i > 255)
return -1;
*id = i;
return 0;
}
#endif

3
networking/libiproute/rt_names.h
View File

@ -6,11 +6,14 @@
extern const char* rtnl_rtprot_n2a(int id, char *buf, int len);
extern const char* rtnl_rtscope_n2a(int id, char *buf, int len);
extern const char* rtnl_rtrealm_n2a(int id, char *buf, int len);
extern const char* rtnl_dsfield_n2a(int id, char *buf, int len);
extern const char* rtnl_rttable_n2a(int id, char *buf, int len);
extern int rtnl_rtprot_a2n(uint32_t *id, char *arg);
extern int rtnl_rtscope_a2n(uint32_t *id, char *arg);
extern int rtnl_rtrealm_a2n(uint32_t *id, char *arg);
extern int rtnl_dsfield_a2n(uint32_t *id, char *arg);
extern int rtnl_rttable_a2n(uint32_t *id, char *arg);
extern const char * ll_type_n2a(int type, char *buf, int len);

2
scripts/defconfig
View File

@ -535,11 +535,13 @@ CONFIG_FEATURE_IP_ADDRESS=y
CONFIG_FEATURE_IP_LINK=y
CONFIG_FEATURE_IP_ROUTE=y
CONFIG_FEATURE_IP_TUNNEL=y
CONFIG_FEATURE_IP_RULE=y
CONFIG_FEATURE_IP_SHORT_FORMS=y
CONFIG_IPADDR=y
CONFIG_IPLINK=y
CONFIG_IPROUTE=y
CONFIG_IPTUNNEL=y
CONFIG_IPRULE=y
CONFIG_IPCALC=y
CONFIG_FEATURE_IPCALC_FANCY=y
CONFIG_FEATURE_IPCALC_LONG_OPTIONS=y