route.c (de3cb747ffac5f2a4a6bb156e7e2fd5229e688e5) route.c (2774c7aba6c97a2535be3309a2209770953780b3)
1/*
2 * Linux INET6 implementation
3 * FIB front-end.
4 *
5 * Authors:
6 * Pedro Roque <roque@di.fc.ul.pt>
7 *
8 * $Id: route.c,v 1.56 2001/10/31 21:55:55 davem Exp $

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216}
217
218static void ip6_dst_ifdown(struct dst_entry *dst, struct net_device *dev,
219 int how)
220{
221 struct rt6_info *rt = (struct rt6_info *)dst;
222 struct inet6_dev *idev = rt->rt6i_idev;
223
1/*
2 * Linux INET6 implementation
3 * FIB front-end.
4 *
5 * Authors:
6 * Pedro Roque <roque@di.fc.ul.pt>
7 *
8 * $Id: route.c,v 1.56 2001/10/31 21:55:55 davem Exp $

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216}
217
218static void ip6_dst_ifdown(struct dst_entry *dst, struct net_device *dev,
219 int how)
220{
221 struct rt6_info *rt = (struct rt6_info *)dst;
222 struct inet6_dev *idev = rt->rt6i_idev;
223
224 if (dev != loopback_dev && idev != NULL && idev->dev == dev) {
225 struct inet6_dev *loopback_idev = in6_dev_get(loopback_dev);
224 if (dev != init_net.loopback_dev && idev != NULL && idev->dev == dev) {
225 struct inet6_dev *loopback_idev = in6_dev_get(init_net.loopback_dev);
226 if (loopback_idev != NULL) {
227 rt->rt6i_idev = loopback_idev;
228 in6_dev_put(idev);
229 }
230 }
231}
232
233static __inline__ int rt6_check_expired(const struct rt6_info *rt)

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1180 rt->rt6i_metric = cfg->fc_metric;
1181
1182 /* We cannot add true routes via loopback here,
1183 they would result in kernel looping; promote them to reject routes
1184 */
1185 if ((cfg->fc_flags & RTF_REJECT) ||
1186 (dev && (dev->flags&IFF_LOOPBACK) && !(addr_type&IPV6_ADDR_LOOPBACK))) {
1187 /* hold loopback dev/idev if we haven't done so. */
226 if (loopback_idev != NULL) {
227 rt->rt6i_idev = loopback_idev;
228 in6_dev_put(idev);
229 }
230 }
231}
232
233static __inline__ int rt6_check_expired(const struct rt6_info *rt)

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1180 rt->rt6i_metric = cfg->fc_metric;
1181
1182 /* We cannot add true routes via loopback here,
1183 they would result in kernel looping; promote them to reject routes
1184 */
1185 if ((cfg->fc_flags & RTF_REJECT) ||
1186 (dev && (dev->flags&IFF_LOOPBACK) && !(addr_type&IPV6_ADDR_LOOPBACK))) {
1187 /* hold loopback dev/idev if we haven't done so. */
1188 if (dev != loopback_dev) {
1188 if (dev != init_net.loopback_dev) {
1189 if (dev) {
1190 dev_put(dev);
1191 in6_dev_put(idev);
1192 }
1189 if (dev) {
1190 dev_put(dev);
1191 in6_dev_put(idev);
1192 }
1193 dev = loopback_dev;
1193 dev = init_net.loopback_dev;
1194 dev_hold(dev);
1195 idev = in6_dev_get(dev);
1196 if (!idev) {
1197 err = -ENODEV;
1198 goto out;
1199 }
1200 }
1201 rt->u.dst.output = ip6_pkt_discard_out;

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1889 const struct in6_addr *addr,
1890 int anycast)
1891{
1892 struct rt6_info *rt = ip6_dst_alloc();
1893
1894 if (rt == NULL)
1895 return ERR_PTR(-ENOMEM);
1896
1194 dev_hold(dev);
1195 idev = in6_dev_get(dev);
1196 if (!idev) {
1197 err = -ENODEV;
1198 goto out;
1199 }
1200 }
1201 rt->u.dst.output = ip6_pkt_discard_out;

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1889 const struct in6_addr *addr,
1890 int anycast)
1891{
1892 struct rt6_info *rt = ip6_dst_alloc();
1893
1894 if (rt == NULL)
1895 return ERR_PTR(-ENOMEM);
1896
1897 dev_hold(loopback_dev);
1897 dev_hold(init_net.loopback_dev);
1898 in6_dev_hold(idev);
1899
1900 rt->u.dst.flags = DST_HOST;
1901 rt->u.dst.input = ip6_input;
1902 rt->u.dst.output = ip6_output;
1898 in6_dev_hold(idev);
1899
1900 rt->u.dst.flags = DST_HOST;
1901 rt->u.dst.input = ip6_input;
1902 rt->u.dst.output = ip6_output;
1903 rt->rt6i_dev = loopback_dev;
1903 rt->rt6i_dev = init_net.loopback_dev;
1904 rt->rt6i_idev = idev;
1905 rt->u.dst.metrics[RTAX_MTU-1] = ipv6_get_mtu(rt->rt6i_dev);
1906 rt->u.dst.metrics[RTAX_ADVMSS-1] = ipv6_advmss(dst_mtu(&rt->u.dst));
1907 rt->u.dst.metrics[RTAX_HOPLIMIT-1] = -1;
1908 rt->u.dst.obsolete = -1;
1909
1910 rt->rt6i_flags = RTF_UP | RTF_NONEXTHOP;
1911 if (anycast)

--- 684 unchanged lines hidden --- 		1904 rt->rt6i_idev = idev;
1905 rt->u.dst.metrics[RTAX_MTU-1] = ipv6_get_mtu(rt->rt6i_dev);
1906 rt->u.dst.metrics[RTAX_ADVMSS-1] = ipv6_advmss(dst_mtu(&rt->u.dst));
1907 rt->u.dst.metrics[RTAX_HOPLIMIT-1] = -1;
1908 rt->u.dst.obsolete = -1;
1909
1910 rt->rt6i_flags = RTF_UP | RTF_NONEXTHOP;
1911 if (anycast)

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