[T106][ZXW-22]7520V3SCV2.01.01.02P42U09_VEC_V0.8_AP_VEC origin source commit
Change-Id: Ic6e05d89ecd62fc34f82b23dcf306c93764aec4b
diff --git a/ap/app/iproute2/iproute2-3.4.0/ip/ip6tunnel.c b/ap/app/iproute2/iproute2-3.4.0/ip/ip6tunnel.c
new file mode 100755
index 0000000..d5bee36
--- /dev/null
+++ b/ap/app/iproute2/iproute2-3.4.0/ip/ip6tunnel.c
@@ -0,0 +1,424 @@
+/*
+ * Copyright (C)2006 USAGI/WIDE Project
+ *
+ * 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.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+/*
+ * Author:
+ * Masahide NAKAMURA @USAGI
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <arpa/inet.h>
+#include <sys/ioctl.h>
+#include <linux/ip.h>
+#include <linux/if.h>
+#include <linux/if_arp.h>
+#include <linux/if_tunnel.h>
+#include <linux/ip6_tunnel.h>
+
+#include "utils.h"
+#include "tunnel.h"
+#include "ip_common.h"
+
+#define IP6_FLOWINFO_TCLASS htonl(0x0FF00000)
+#define IP6_FLOWINFO_FLOWLABEL htonl(0x000FFFFF)
+
+#define DEFAULT_TNL_HOP_LIMIT (64)
+
+static void usage(void) __attribute__((noreturn));
+
+static void usage(void)
+{
+ fprintf(stderr, "Usage: ip -f inet6 tunnel { add | change | del | show } [ NAME ]\n");
+ fprintf(stderr, " [ mode { ip6ip6 | ipip6 | any } ]\n");
+ fprintf(stderr, " [ remote ADDR local ADDR ] [ dev PHYS_DEV ]\n");
+ fprintf(stderr, " [ encaplimit ELIM ]\n");
+ fprintf(stderr ," [ hoplimit TTL ] [ tclass TCLASS ] [ flowlabel FLOWLABEL ]\n");
+ fprintf(stderr, " [ dscp inherit ]\n");
+ fprintf(stderr, "\n");
+ fprintf(stderr, "Where: NAME := STRING\n");
+ fprintf(stderr, " ADDR := IPV6_ADDRESS\n");
+ fprintf(stderr, " ELIM := { none | 0..255 }(default=%d)\n",
+ IPV6_DEFAULT_TNL_ENCAP_LIMIT);
+ fprintf(stderr, " TTL := 0..255 (default=%d)\n",
+ DEFAULT_TNL_HOP_LIMIT);
+ fprintf(stderr, " TOS := { 0x0..0xff | inherit }\n");
+ fprintf(stderr, " FLOWLABEL := { 0x0..0xfffff | inherit }\n");
+ exit(-1);
+}
+
+static void print_tunnel(struct ip6_tnl_parm *p)
+{
+ char remote[64];
+ char local[64];
+
+ inet_ntop(AF_INET6, &p->raddr, remote, sizeof(remote));
+ inet_ntop(AF_INET6, &p->laddr, local, sizeof(local));
+
+ printf("%s: %s/ipv6 remote %s local %s",
+ p->name, tnl_strproto(p->proto), remote, local);
+ if (p->link) {
+ const char *n = ll_index_to_name(p->link);
+ if (n)
+ printf(" dev %s", n);
+ }
+
+ if (p->flags & IP6_TNL_F_IGN_ENCAP_LIMIT)
+ printf(" encaplimit none");
+ else
+ printf(" encaplimit %u", p->encap_limit);
+
+ printf(" hoplimit %u", p->hop_limit);
+
+ if (p->flags & IP6_TNL_F_USE_ORIG_TCLASS)
+ printf(" tclass inherit");
+ else {
+ __u32 val = ntohl(p->flowinfo & IP6_FLOWINFO_TCLASS);
+ printf(" tclass 0x%02x", (__u8)(val >> 20));
+ }
+
+ if (p->flags & IP6_TNL_F_USE_ORIG_FLOWLABEL)
+ printf(" flowlabel inherit");
+ else
+ printf(" flowlabel 0x%05x", ntohl(p->flowinfo & IP6_FLOWINFO_FLOWLABEL));
+
+ printf(" (flowinfo 0x%08x)", ntohl(p->flowinfo));
+
+ if (p->flags & IP6_TNL_F_RCV_DSCP_COPY)
+ printf(" dscp inherit");
+}
+
+static int parse_args(int argc, char **argv, int cmd, struct ip6_tnl_parm *p)
+{
+ int count = 0;
+ char medium[IFNAMSIZ];
+
+ memset(medium, 0, sizeof(medium));
+
+ while (argc > 0) {
+ if (strcmp(*argv, "mode") == 0) {
+ NEXT_ARG();
+ if (strcmp(*argv, "ipv6/ipv6") == 0 ||
+ strcmp(*argv, "ip6ip6") == 0)
+ p->proto = IPPROTO_IPV6;
+ else if (strcmp(*argv, "ip/ipv6") == 0 ||
+ strcmp(*argv, "ipv4/ipv6") == 0 ||
+ strcmp(*argv, "ipip6") == 0 ||
+ strcmp(*argv, "ip4ip6") == 0)
+ p->proto = IPPROTO_IPIP;
+ else if (strcmp(*argv, "any/ipv6") == 0 ||
+ strcmp(*argv, "any") == 0)
+ p->proto = 0;
+ else {
+ fprintf(stderr,"Cannot guess tunnel mode.\n");
+ exit(-1);
+ }
+ } else if (strcmp(*argv, "remote") == 0) {
+ inet_prefix raddr;
+ NEXT_ARG();
+ get_prefix(&raddr, *argv, preferred_family);
+ if (raddr.family == AF_UNSPEC)
+ invarg("\"remote\" address family is AF_UNSPEC", *argv);
+ memcpy(&p->raddr, &raddr.data, sizeof(p->raddr));
+ } else if (strcmp(*argv, "local") == 0) {
+ inet_prefix laddr;
+ NEXT_ARG();
+ get_prefix(&laddr, *argv, preferred_family);
+ if (laddr.family == AF_UNSPEC)
+ invarg("\"local\" address family is AF_UNSPEC", *argv);
+ memcpy(&p->laddr, &laddr.data, sizeof(p->laddr));
+ } else if (strcmp(*argv, "dev") == 0) {
+ NEXT_ARG();
+ strncpy(medium, *argv, IFNAMSIZ - 1);
+ } else if (strcmp(*argv, "encaplimit") == 0) {
+ NEXT_ARG();
+ if (strcmp(*argv, "none") == 0) {
+ p->flags |= IP6_TNL_F_IGN_ENCAP_LIMIT;
+ } else {
+ __u8 uval;
+ if (get_u8(&uval, *argv, 0) < -1)
+ invarg("invalid ELIM", *argv);
+ p->encap_limit = uval;
+ }
+ } else if (strcmp(*argv, "hoplimit") == 0 ||
+ strcmp(*argv, "ttl") == 0 ||
+ strcmp(*argv, "hlim") == 0) {
+ __u8 uval;
+ NEXT_ARG();
+ if (get_u8(&uval, *argv, 0))
+ invarg("invalid TTL", *argv);
+ p->hop_limit = uval;
+ } else if (strcmp(*argv, "tclass") == 0 ||
+ strcmp(*argv, "tc") == 0 ||
+ strcmp(*argv, "tos") == 0 ||
+ matches(*argv, "dsfield") == 0) {
+ __u8 uval;
+ NEXT_ARG();
+ if (strcmp(*argv, "inherit") == 0)
+ p->flags |= IP6_TNL_F_USE_ORIG_TCLASS;
+ else {
+ if (get_u8(&uval, *argv, 16))
+ invarg("invalid TClass", *argv);
+ p->flowinfo |= htonl((__u32)uval << 20) & IP6_FLOWINFO_TCLASS;
+ p->flags &= ~IP6_TNL_F_USE_ORIG_TCLASS;
+ }
+ } else if (strcmp(*argv, "flowlabel") == 0 ||
+ strcmp(*argv, "fl") == 0) {
+ __u32 uval;
+ NEXT_ARG();
+ if (strcmp(*argv, "inherit") == 0)
+ p->flags |= IP6_TNL_F_USE_ORIG_FLOWLABEL;
+ else {
+ if (get_u32(&uval, *argv, 16))
+ invarg("invalid Flowlabel", *argv);
+ if (uval > 0xFFFFF)
+ invarg("invalid Flowlabel", *argv);
+ p->flowinfo |= htonl(uval) & IP6_FLOWINFO_FLOWLABEL;
+ p->flags &= ~IP6_TNL_F_USE_ORIG_FLOWLABEL;
+ }
+ } else if (strcmp(*argv, "dscp") == 0) {
+ NEXT_ARG();
+ if (strcmp(*argv, "inherit") != 0)
+ invarg("not inherit", *argv);
+ p->flags |= IP6_TNL_F_RCV_DSCP_COPY;
+ } else {
+ if (strcmp(*argv, "name") == 0) {
+ NEXT_ARG();
+ }
+ if (matches(*argv, "help") == 0)
+ usage();
+ if (p->name[0])
+ duparg2("name", *argv);
+ strncpy(p->name, *argv, IFNAMSIZ - 1);
+ if (cmd == SIOCCHGTUNNEL && count == 0) {
+ struct ip6_tnl_parm old_p;
+ memset(&old_p, 0, sizeof(old_p));
+ if (tnl_get_ioctl(*argv, &old_p))
+ return -1;
+ *p = old_p;
+ }
+ }
+ count++;
+ argc--; argv++;
+ }
+ if (medium[0]) {
+ p->link = ll_name_to_index(medium);
+ if (p->link == 0)
+ return -1;
+ }
+ return 0;
+}
+
+static void ip6_tnl_parm_init(struct ip6_tnl_parm *p, int apply_default)
+{
+ memset(p, 0, sizeof(*p));
+ p->proto = IPPROTO_IPV6;
+ if (apply_default) {
+ p->hop_limit = DEFAULT_TNL_HOP_LIMIT;
+ p->encap_limit = IPV6_DEFAULT_TNL_ENCAP_LIMIT;
+ }
+}
+
+/*
+ * @p1: user specified parameter
+ * @p2: database entry
+ */
+static int ip6_tnl_parm_match(const struct ip6_tnl_parm *p1,
+ const struct ip6_tnl_parm *p2)
+{
+ return ((!p1->link || p1->link == p2->link) &&
+ (!p1->name[0] || strcmp(p1->name, p2->name) == 0) &&
+ (memcmp(&p1->laddr, &in6addr_any, sizeof(p1->laddr)) == 0 ||
+ memcmp(&p1->laddr, &p2->laddr, sizeof(p1->laddr)) == 0) &&
+ (memcmp(&p1->raddr, &in6addr_any, sizeof(p1->raddr)) == 0 ||
+ memcmp(&p1->raddr, &p2->raddr, sizeof(p1->raddr)) == 0) &&
+ (!p1->proto || !p2->proto || p1->proto == p2->proto) &&
+ (!p1->encap_limit || p1->encap_limit == p2->encap_limit) &&
+ (!p1->hop_limit || p1->hop_limit == p2->hop_limit) &&
+ (!(p1->flowinfo & IP6_FLOWINFO_TCLASS) ||
+ !((p1->flowinfo ^ p2->flowinfo) & IP6_FLOWINFO_TCLASS)) &&
+ (!(p1->flowinfo & IP6_FLOWINFO_FLOWLABEL) ||
+ !((p1->flowinfo ^ p2->flowinfo) & IP6_FLOWINFO_FLOWLABEL)) &&
+ (!p1->flags || (p1->flags & p2->flags)));
+}
+
+static int do_tunnels_list(struct ip6_tnl_parm *p)
+{
+ char buf[512];
+ int err = -1;
+ FILE *fp = fopen("/proc/net/dev", "r");
+ if (fp == NULL) {
+ perror("fopen");
+ goto end;
+ }
+
+ /* skip two lines at the begenning of the file */
+ if (!fgets(buf, sizeof(buf), fp) ||
+ !fgets(buf, sizeof(buf), fp)) {
+ fprintf(stderr, "/proc/net/dev read error\n");
+ return -1;
+ }
+
+ while (fgets(buf, sizeof(buf), fp) != NULL) {
+ char name[IFNAMSIZ];
+ int index, type;
+ unsigned long rx_bytes, rx_packets, rx_errs, rx_drops,
+ rx_fifo, rx_frame,
+ tx_bytes, tx_packets, tx_errs, tx_drops,
+ tx_fifo, tx_colls, tx_carrier, rx_multi;
+ struct ip6_tnl_parm p1;
+ char *ptr;
+
+ buf[sizeof(buf) - 1] = '\0';
+ if ((ptr = strchr(buf, ':')) == NULL ||
+ (*ptr++ = 0, sscanf(buf, "%s", name) != 1)) {
+ fprintf(stderr, "Wrong format of /proc/net/dev. Sorry.\n");
+ goto end;
+ }
+ if (sscanf(ptr, "%ld%ld%ld%ld%ld%ld%ld%*d%ld%ld%ld%ld%ld%ld%ld",
+ &rx_bytes, &rx_packets, &rx_errs, &rx_drops,
+ &rx_fifo, &rx_frame, &rx_multi,
+ &tx_bytes, &tx_packets, &tx_errs, &tx_drops,
+ &tx_fifo, &tx_colls, &tx_carrier) != 14)
+ continue;
+ if (p->name[0] && strcmp(p->name, name))
+ continue;
+ index = ll_name_to_index(name);
+ if (index == 0)
+ continue;
+ type = ll_index_to_type(index);
+ if (type == -1) {
+ fprintf(stderr, "Failed to get type of [%s]\n", name);
+ continue;
+ }
+ if (type != ARPHRD_TUNNEL6)
+ continue;
+ memset(&p1, 0, sizeof(p1));
+ ip6_tnl_parm_init(&p1, 0);
+ strcpy(p1.name, name);
+ p1.link = ll_name_to_index(p1.name);
+ if (p1.link == 0)
+ continue;
+ if (tnl_get_ioctl(p1.name, &p1))
+ continue;
+ if (!ip6_tnl_parm_match(p, &p1))
+ continue;
+ print_tunnel(&p1);
+ if (show_stats) {
+ printf("%s", _SL_);
+ printf("RX: Packets Bytes Errors CsumErrs OutOfSeq Mcasts%s", _SL_);
+ printf(" %-10ld %-12ld %-6ld %-8ld %-8ld %-8ld%s",
+ rx_packets, rx_bytes, rx_errs, rx_frame, rx_fifo, rx_multi, _SL_);
+ printf("TX: Packets Bytes Errors DeadLoop NoRoute NoBufs%s", _SL_);
+ printf(" %-10ld %-12ld %-6ld %-8ld %-8ld %-6ld",
+ tx_packets, tx_bytes, tx_errs, tx_colls, tx_carrier, tx_drops);
+ }
+ printf("\n");
+ }
+ err = 0;
+
+ end:
+ if (fp)
+ fclose(fp);
+ return err;
+}
+
+static int do_show(int argc, char **argv)
+{
+ struct ip6_tnl_parm p;
+
+ ll_init_map(&rth);
+ ip6_tnl_parm_init(&p, 0);
+ p.proto = 0; /* default to any */
+
+ if (parse_args(argc, argv, SIOCGETTUNNEL, &p) < 0)
+ return -1;
+
+ if (!p.name[0] || show_stats)
+ do_tunnels_list(&p);
+ else {
+ if (tnl_get_ioctl(p.name, &p))
+ return -1;
+ print_tunnel(&p);
+ printf("\n");
+ }
+
+ return 0;
+}
+
+static int do_add(int cmd, int argc, char **argv)
+{
+ struct ip6_tnl_parm p;
+
+ ip6_tnl_parm_init(&p, 1);
+
+ if (parse_args(argc, argv, cmd, &p) < 0)
+ return -1;
+
+ return tnl_add_ioctl(cmd,
+ cmd == SIOCCHGTUNNEL && p.name[0] ?
+ p.name : "ip6tnl0", p.name, &p);
+}
+
+static int do_del(int argc, char **argv)
+{
+ struct ip6_tnl_parm p;
+
+ ip6_tnl_parm_init(&p, 1);
+
+ if (parse_args(argc, argv, SIOCDELTUNNEL, &p) < 0)
+ return -1;
+
+ return tnl_del_ioctl(p.name[0] ? p.name : "ip6tnl0", p.name, &p);
+}
+
+int do_ip6tunnel(int argc, char **argv)
+{
+ switch (preferred_family) {
+ case AF_UNSPEC:
+ preferred_family = AF_INET6;
+ break;
+ case AF_INET6:
+ break;
+ default:
+ fprintf(stderr, "Unsupported family:%d\n", preferred_family);
+ exit(-1);
+ }
+
+ if (argc > 0) {
+ if (matches(*argv, "add") == 0)
+ return do_add(SIOCADDTUNNEL, argc - 1, argv + 1);
+ if (matches(*argv, "change") == 0)
+ return do_add(SIOCCHGTUNNEL, argc - 1, argv + 1);
+ if (matches(*argv, "del") == 0)
+ return do_del(argc - 1, argv + 1);
+ if (matches(*argv, "show") == 0 ||
+ matches(*argv, "lst") == 0 ||
+ matches(*argv, "list") == 0)
+ return do_show(argc - 1, argv + 1);
+ if (matches(*argv, "help") == 0)
+ usage();
+ } else
+ return do_show(0, NULL);
+
+ fprintf(stderr, "Command \"%s\" is unknown, try \"ip -f inet6 tunnel help\".\n", *argv);
+ exit(-1);
+}