* Authors:
* Pedro Roque <roque@di.fc.ul.pt>
*
- * $Id: route.c,v 1.56 2001/10/31 21:55:55 davem Exp $
- *
* 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
#include <linux/route.h>
#include <linux/netdevice.h>
#include <linux/in6.h>
+#include <linux/mroute6.h>
#include <linux/init.h>
#include <linux/if_arp.h>
#include <linux/proc_fs.h>
.negative_advice = ip6_negative_advice,
.link_failure = ip6_link_failure,
.update_pmtu = ip6_rt_update_pmtu,
- .local_out = ip6_local_out,
- .entry_size = sizeof(struct rt6_info),
+ .local_out = __ip6_local_out,
.entries = ATOMIC_INIT(0),
};
.destroy = ip6_dst_destroy,
.check = ip6_dst_check,
.update_pmtu = ip6_rt_blackhole_update_pmtu,
- .entry_size = sizeof(struct rt6_info),
.entries = ATOMIC_INIT(0),
};
static int ip6_pkt_prohibit(struct sk_buff *skb);
static int ip6_pkt_prohibit_out(struct sk_buff *skb);
-struct rt6_info ip6_prohibit_entry_template = {
+static struct rt6_info ip6_prohibit_entry_template = {
.u = {
.dst = {
.__refcnt = ATOMIC_INIT(1),
static inline int rt6_need_strict(struct in6_addr *daddr)
{
return (ipv6_addr_type(daddr) &
- (IPV6_ADDR_MULTICAST | IPV6_ADDR_LINKLOCAL));
+ (IPV6_ADDR_MULTICAST | IPV6_ADDR_LINKLOCAL | IPV6_ADDR_LOOPBACK));
}
/*
static inline struct rt6_info *rt6_device_match(struct net *net,
struct rt6_info *rt,
+ struct in6_addr *saddr,
int oif,
- int strict)
+ int flags)
{
struct rt6_info *local = NULL;
struct rt6_info *sprt;
- if (oif) {
- for (sprt = rt; sprt; sprt = sprt->u.dst.rt6_next) {
- struct net_device *dev = sprt->rt6i_dev;
+ if (!oif && ipv6_addr_any(saddr))
+ goto out;
+
+ for (sprt = rt; sprt; sprt = sprt->u.dst.rt6_next) {
+ struct net_device *dev = sprt->rt6i_dev;
+
+ if (oif) {
if (dev->ifindex == oif)
return sprt;
if (dev->flags & IFF_LOOPBACK) {
if (sprt->rt6i_idev == NULL ||
sprt->rt6i_idev->dev->ifindex != oif) {
- if (strict && oif)
+ if (flags & RT6_LOOKUP_F_IFACE && oif)
continue;
if (local && (!oif ||
local->rt6i_idev->dev->ifindex == oif))
}
local = sprt;
}
+ } else {
+ if (ipv6_chk_addr(net, saddr, dev,
+ flags & RT6_LOOKUP_F_IFACE))
+ return sprt;
}
+ }
+ if (oif) {
if (local)
return local;
- if (strict)
+ if (flags & RT6_LOOKUP_F_IFACE)
return net->ipv6.ip6_null_entry;
}
+out:
return rt;
}
struct route_info *rinfo = (struct route_info *) opt;
struct in6_addr prefix_buf, *prefix;
unsigned int pref;
- u32 lifetime;
+ unsigned long lifetime;
struct rt6_info *rt;
if (len < sizeof(struct route_info)) {
if (pref == ICMPV6_ROUTER_PREF_INVALID)
pref = ICMPV6_ROUTER_PREF_MEDIUM;
- lifetime = ntohl(rinfo->lifetime);
- if (lifetime == 0xffffffff) {
- /* infinity */
- } else if (lifetime > 0x7fffffff/HZ) {
- /* Avoid arithmetic overflow */
- lifetime = 0x7fffffff/HZ - 1;
- }
+ lifetime = addrconf_timeout_fixup(ntohl(rinfo->lifetime), HZ);
if (rinfo->length == 3)
prefix = (struct in6_addr *)rinfo->prefix;
(rt->rt6i_flags & ~RTF_PREF_MASK) | RTF_PREF(pref);
if (rt) {
- if (lifetime == 0xffffffff) {
+ if (!addrconf_finite_timeout(lifetime)) {
rt->rt6i_flags &= ~RTF_EXPIRES;
} else {
rt->rt6i_expires = jiffies + HZ * lifetime;
fn = fib6_lookup(&table->tb6_root, &fl->fl6_dst, &fl->fl6_src);
restart:
rt = fn->leaf;
- rt = rt6_device_match(net, rt, fl->oif, flags);
+ rt = rt6_device_match(net, rt, &fl->fl6_src, fl->oif, flags);
BACKTRACK(net, &fl->fl6_src);
out:
dst_use(&rt->u.dst, jiffies);
}
-struct rt6_info *rt6_lookup(struct net *net, struct in6_addr *daddr,
- struct in6_addr *saddr, int oif, int strict)
+struct rt6_info *rt6_lookup(struct net *net, const struct in6_addr *daddr,
+ const struct in6_addr *saddr, int oif, int strict)
{
struct flowi fl = {
.oif = oif,
rt = ip6_rt_copy(ort);
if (rt) {
+ struct neighbour *neigh;
+ int attempts = !in_softirq();
+
if (!(rt->rt6i_flags&RTF_GATEWAY)) {
if (rt->rt6i_dst.plen != 128 &&
ipv6_addr_equal(&rt->rt6i_dst.addr, daddr))
}
#endif
- rt->rt6i_nexthop = ndisc_get_neigh(rt->rt6i_dev, &rt->rt6i_gateway);
+ retry:
+ neigh = ndisc_get_neigh(rt->rt6i_dev, &rt->rt6i_gateway);
+ if (IS_ERR(neigh)) {
+ struct net *net = dev_net(rt->rt6i_dev);
+ int saved_rt_min_interval =
+ net->ipv6.sysctl.ip6_rt_gc_min_interval;
+ int saved_rt_elasticity =
+ net->ipv6.sysctl.ip6_rt_gc_elasticity;
+
+ if (attempts-- > 0) {
+ net->ipv6.sysctl.ip6_rt_gc_elasticity = 1;
+ net->ipv6.sysctl.ip6_rt_gc_min_interval = 0;
+
+ ip6_dst_gc(net->ipv6.ip6_dst_ops);
+
+ net->ipv6.sysctl.ip6_rt_gc_elasticity =
+ saved_rt_elasticity;
+ net->ipv6.sysctl.ip6_rt_gc_min_interval =
+ saved_rt_min_interval;
+ goto retry;
+ }
+
+ if (net_ratelimit())
+ printk(KERN_WARNING
+ "Neighbour table overflow.\n");
+ dst_free(&rt->u.dst);
+ return NULL;
+ }
+ rt->rt6i_nexthop = neigh;
}
int strict = 0;
int attempts = 3;
int err;
- int reachable = ipv6_devconf.forwarding ? 0 : RT6_LOOKUP_F_REACHABLE;
+ int reachable = net->ipv6.devconf_all->forwarding ? 0 : RT6_LOOKUP_F_REACHABLE;
strict |= flags & RT6_LOOKUP_F_IFACE;
struct dst_entry *icmp6_dst_alloc(struct net_device *dev,
struct neighbour *neigh,
- struct in6_addr *addr)
+ const struct in6_addr *addr)
{
struct rt6_info *rt;
struct inet6_dev *idev = in6_dev_get(dev);
dev_hold(dev);
if (neigh)
neigh_hold(neigh);
- else
+ else {
neigh = ndisc_get_neigh(dev, addr);
+ if (IS_ERR(neigh))
+ neigh = NULL;
+ }
rt->rt6i_dev = dev;
rt->rt6i_idev = idev;
return &rt->u.dst;
}
-int icmp6_dst_gc(int *more)
+int icmp6_dst_gc(void)
{
struct dst_entry *dst, *next, **pprev;
- int freed;
+ int more = 0;
next = NULL;
- freed = 0;
spin_lock_bh(&icmp6_dst_lock);
pprev = &icmp6_dst_gc_list;
if (!atomic_read(&dst->__refcnt)) {
*pprev = dst->next;
dst_free(dst);
- freed++;
} else {
pprev = &dst->next;
- (*more)++;
+ ++more;
}
}
spin_unlock_bh(&icmp6_dst_lock);
- return freed;
+ return more;
+}
+
+static void icmp6_clean_all(int (*func)(struct rt6_info *rt, void *arg),
+ void *arg)
+{
+ struct dst_entry *dst, **pprev;
+
+ spin_lock_bh(&icmp6_dst_lock);
+ pprev = &icmp6_dst_gc_list;
+ while ((dst = *pprev) != NULL) {
+ struct rt6_info *rt = (struct rt6_info *) dst;
+ if (func(rt, arg)) {
+ *pprev = dst->next;
+ dst_free(dst);
+ } else {
+ pprev = &dst->next;
+ }
+ }
+ spin_unlock_bh(&icmp6_dst_lock);
}
static int ip6_dst_gc(struct dst_ops *ops)
hoplimit = idev->cnf.hop_limit;
in6_dev_put(idev);
} else
- hoplimit = ipv6_devconf.hop_limit;
+ hoplimit = dev_net(dev)->ipv6.devconf_all->hop_limit;
}
return hoplimit;
}
}
rt->u.dst.obsolete = -1;
- rt->rt6i_expires = jiffies + clock_t_to_jiffies(cfg->fc_expires);
+ rt->rt6i_expires = (cfg->fc_flags & RTF_EXPIRES) ?
+ jiffies + clock_t_to_jiffies(cfg->fc_expires) :
+ 0;
if (cfg->fc_protocol == RTPROT_UNSPEC)
cfg->fc_protocol = RTPROT_BOOT;
}
}
- if (rt->u.dst.metrics[RTAX_HOPLIMIT-1] == 0)
+ if (dst_metric(&rt->u.dst, RTAX_HOPLIMIT) == 0)
rt->u.dst.metrics[RTAX_HOPLIMIT-1] = -1;
- if (!rt->u.dst.metrics[RTAX_MTU-1])
+ if (!dst_mtu(&rt->u.dst))
rt->u.dst.metrics[RTAX_MTU-1] = ipv6_get_mtu(dev);
- if (!rt->u.dst.metrics[RTAX_ADVMSS-1])
+ if (!dst_metric(&rt->u.dst, RTAX_ADVMSS))
rt->u.dst.metrics[RTAX_ADVMSS-1] = ipv6_advmss(net, dst_mtu(&rt->u.dst));
rt->u.dst.dev = dev;
rt->rt6i_idev = idev;
return rt;
}
-EXPORT_SYMBOL(rt6_get_dflt_router);
-
struct rt6_info *rt6_add_dflt_router(struct in6_addr *gwaddr,
struct net_device *dev,
unsigned int pref)
static int ip6_pkt_drop(struct sk_buff *skb, int code, int ipstats_mib_noroutes)
{
int type;
+ struct dst_entry *dst = skb->dst;
switch (ipstats_mib_noroutes) {
case IPSTATS_MIB_INNOROUTES:
type = ipv6_addr_type(&ipv6_hdr(skb)->daddr);
if (type == IPV6_ADDR_ANY || type == IPV6_ADDR_RESERVED) {
- IP6_INC_STATS(ip6_dst_idev(skb->dst), IPSTATS_MIB_INADDRERRORS);
+ IP6_INC_STATS(dev_net(dst->dev), ip6_dst_idev(dst),
+ IPSTATS_MIB_INADDRERRORS);
break;
}
/* FALLTHROUGH */
case IPSTATS_MIB_OUTNOROUTES:
- IP6_INC_STATS(ip6_dst_idev(skb->dst), ipstats_mib_noroutes);
+ IP6_INC_STATS(dev_net(dst->dev), ip6_dst_idev(dst),
+ ipstats_mib_noroutes);
break;
}
icmpv6_send(skb, ICMPV6_DEST_UNREACH, code, 0, skb->dev);
{
struct net *net = dev_net(idev->dev);
struct rt6_info *rt = ip6_dst_alloc(net->ipv6.ip6_dst_ops);
+ struct neighbour *neigh;
if (rt == NULL)
return ERR_PTR(-ENOMEM);
rt->rt6i_flags |= RTF_ANYCAST;
else
rt->rt6i_flags |= RTF_LOCAL;
- rt->rt6i_nexthop = ndisc_get_neigh(rt->rt6i_dev, &rt->rt6i_gateway);
- if (rt->rt6i_nexthop == NULL) {
+ neigh = ndisc_get_neigh(rt->rt6i_dev, &rt->rt6i_gateway);
+ if (IS_ERR(neigh)) {
dst_free(&rt->u.dst);
- return ERR_PTR(-ENOMEM);
+
+ /* We are casting this because that is the return
+ * value type. But an errno encoded pointer is the
+ * same regardless of the underlying pointer type,
+ * and that's what we are returning. So this is OK.
+ */
+ return (struct rt6_info *) neigh;
}
+ rt->rt6i_nexthop = neigh;
ipv6_addr_copy(&rt->rt6i_dst.addr, addr);
rt->rt6i_dst.plen = 128;
};
fib6_clean_all(net, fib6_ifdown, 0, &adn);
+ icmp6_clean_all(fib6_ifdown, &adn);
}
struct rt6_mtu_change_arg
cfg->fc_nlinfo.pid = NETLINK_CB(skb).pid;
cfg->fc_nlinfo.nlh = nlh;
- cfg->fc_nlinfo.nl_net = skb->sk->sk_net;
+ cfg->fc_nlinfo.nl_net = sock_net(skb->sk);
if (tb[RTA_GATEWAY]) {
nla_memcpy(&cfg->fc_gateway, tb[RTA_GATEWAY], 16);
+ nla_total_size(sizeof(struct rta_cacheinfo));
}
-static int rt6_fill_node(struct sk_buff *skb, struct rt6_info *rt,
+static int rt6_fill_node(struct net *net,
+ struct sk_buff *skb, struct rt6_info *rt,
struct in6_addr *dst, struct in6_addr *src,
int iif, int type, u32 pid, u32 seq,
- int prefix, unsigned int flags)
+ int prefix, int nowait, unsigned int flags)
{
struct rtmsg *rtm;
struct nlmsghdr *nlh;
} else if (rtm->rtm_src_len)
NLA_PUT(skb, RTA_SRC, 16, &rt->rt6i_src.addr);
#endif
- if (iif)
- NLA_PUT_U32(skb, RTA_IIF, iif);
- else if (dst) {
+ if (iif) {
+#ifdef CONFIG_IPV6_MROUTE
+ if (ipv6_addr_is_multicast(&rt->rt6i_dst.addr)) {
+ int err = ip6mr_get_route(net, skb, rtm, nowait);
+ if (err <= 0) {
+ if (!nowait) {
+ if (err == 0)
+ return 0;
+ goto nla_put_failure;
+ } else {
+ if (err == -EMSGSIZE)
+ goto nla_put_failure;
+ }
+ }
+ } else
+#endif
+ NLA_PUT_U32(skb, RTA_IIF, iif);
+ } else if (dst) {
+ struct inet6_dev *idev = ip6_dst_idev(&rt->u.dst);
struct in6_addr saddr_buf;
- if (ipv6_dev_get_saddr(ip6_dst_idev(&rt->u.dst)->dev,
+ if (ipv6_dev_get_saddr(net, idev ? idev->dev : NULL,
dst, 0, &saddr_buf) == 0)
NLA_PUT(skb, RTA_PREFSRC, 16, &saddr_buf);
}
NLA_PUT_U32(skb, RTA_PRIORITY, rt->rt6i_metric);
- expires = rt->rt6i_expires ? rt->rt6i_expires - jiffies : 0;
+ if (!(rt->rt6i_flags & RTF_EXPIRES))
+ expires = 0;
+ else if (rt->rt6i_expires - jiffies < INT_MAX)
+ expires = rt->rt6i_expires - jiffies;
+ else
+ expires = INT_MAX;
+
if (rtnl_put_cacheinfo(skb, &rt->u.dst, 0, 0, 0,
expires, rt->u.dst.error) < 0)
goto nla_put_failure;
} else
prefix = 0;
- return rt6_fill_node(arg->skb, rt, NULL, NULL, 0, RTM_NEWROUTE,
+ return rt6_fill_node(arg->net,
+ arg->skb, rt, NULL, NULL, 0, RTM_NEWROUTE,
NETLINK_CB(arg->cb->skb).pid, arg->cb->nlh->nlmsg_seq,
- prefix, NLM_F_MULTI);
+ prefix, 0, NLM_F_MULTI);
}
static int inet6_rtm_getroute(struct sk_buff *in_skb, struct nlmsghdr* nlh, void *arg)
{
- struct net *net = in_skb->sk->sk_net;
+ struct net *net = sock_net(in_skb->sk);
struct nlattr *tb[RTA_MAX+1];
struct rt6_info *rt;
struct sk_buff *skb;
rt = (struct rt6_info*) ip6_route_output(net, NULL, &fl);
skb->dst = &rt->u.dst;
- err = rt6_fill_node(skb, rt, &fl.fl6_dst, &fl.fl6_src, iif,
+ err = rt6_fill_node(net, skb, rt, &fl.fl6_dst, &fl.fl6_src, iif,
RTM_NEWROUTE, NETLINK_CB(in_skb).pid,
- nlh->nlmsg_seq, 0, 0);
+ nlh->nlmsg_seq, 0, 0, 0);
if (err < 0) {
kfree_skb(skb);
goto errout;
if (skb == NULL)
goto errout;
- err = rt6_fill_node(skb, rt, NULL, NULL, 0,
- event, info->pid, seq, 0, 0);
+ err = rt6_fill_node(net, skb, rt, NULL, NULL, 0,
+ event, info->pid, seq, 0, 0, 0);
if (err < 0) {
/* -EMSGSIZE implies BUG in rt6_nlmsg_size() */
WARN_ON(err == -EMSGSIZE);
{
struct seq_file *m = p_arg;
- seq_printf(m, NIP6_SEQFMT " %02x ", NIP6(rt->rt6i_dst.addr),
- rt->rt6i_dst.plen);
+ seq_printf(m, "%pi6 %02x ", &rt->rt6i_dst.addr, rt->rt6i_dst.plen);
#ifdef CONFIG_IPV6_SUBTREES
- seq_printf(m, NIP6_SEQFMT " %02x ", NIP6(rt->rt6i_src.addr),
- rt->rt6i_src.plen);
+ seq_printf(m, "%pi6 %02x ", &rt->rt6i_src.addr, rt->rt6i_src.plen);
#else
seq_puts(m, "00000000000000000000000000000000 00 ");
#endif
if (rt->rt6i_nexthop) {
- seq_printf(m, NIP6_SEQFMT,
- NIP6(*((struct in6_addr *)rt->rt6i_nexthop->primary_key)));
+ seq_printf(m, "%pi6", rt->rt6i_nexthop->primary_key);
} else {
seq_puts(m, "00000000000000000000000000000000");
}
static int ipv6_route_open(struct inode *inode, struct file *file)
{
- struct net *net = get_proc_net(inode);
- if (!net)
- return -ENXIO;
- return single_open(file, ipv6_route_show, net);
-}
-
-static int ipv6_route_release(struct inode *inode, struct file *file)
-{
- struct seq_file *seq = file->private_data;
- struct net *net = seq->private;
- put_net(net);
- return single_release(inode, file);
+ return single_open_net(inode, file, ipv6_route_show);
}
static const struct file_operations ipv6_route_proc_fops = {
.open = ipv6_route_open,
.read = seq_read,
.llseek = seq_lseek,
- .release = ipv6_route_release,
+ .release = single_release_net,
};
static int rt6_stats_seq_show(struct seq_file *seq, void *v)
static int rt6_stats_seq_open(struct inode *inode, struct file *file)
{
- struct net *net = get_proc_net(inode);
- return single_open(file, rt6_stats_seq_show, net);
-}
-
-static int rt6_stats_seq_release(struct inode *inode, struct file *file)
-{
- struct seq_file *seq = file->private_data;
- struct net *net = (struct net *)seq->private;
- put_net(net);
- return single_release(inode, file);
+ return single_open_net(inode, file, rt6_stats_seq_show);
}
static const struct file_operations rt6_stats_seq_fops = {
.open = rt6_stats_seq_open,
.read = seq_read,
.llseek = seq_lseek,
- .release = rt6_stats_seq_release,
+ .release = single_release_net,
};
#endif /* CONFIG_PROC_FS */
.data = &init_net.ipv6.sysctl.flush_delay,
.maxlen = sizeof(int),
.mode = 0200,
- .proc_handler = &ipv6_sysctl_rtcache_flush
+ .proc_handler = ipv6_sysctl_rtcache_flush
},
{
.ctl_name = NET_IPV6_ROUTE_GC_THRESH,
.data = &ip6_dst_ops_template.gc_thresh,
.maxlen = sizeof(int),
.mode = 0644,
- .proc_handler = &proc_dointvec,
+ .proc_handler = proc_dointvec,
},
{
.ctl_name = NET_IPV6_ROUTE_MAX_SIZE,
.data = &init_net.ipv6.sysctl.ip6_rt_max_size,
.maxlen = sizeof(int),
.mode = 0644,
- .proc_handler = &proc_dointvec,
+ .proc_handler = proc_dointvec,
},
{
.ctl_name = NET_IPV6_ROUTE_GC_MIN_INTERVAL,
.data = &init_net.ipv6.sysctl.ip6_rt_gc_min_interval,
.maxlen = sizeof(int),
.mode = 0644,
- .proc_handler = &proc_dointvec_jiffies,
- .strategy = &sysctl_jiffies,
+ .proc_handler = proc_dointvec_jiffies,
+ .strategy = sysctl_jiffies,
},
{
.ctl_name = NET_IPV6_ROUTE_GC_TIMEOUT,
.data = &init_net.ipv6.sysctl.ip6_rt_gc_timeout,
.maxlen = sizeof(int),
.mode = 0644,
- .proc_handler = &proc_dointvec_jiffies,
- .strategy = &sysctl_jiffies,
+ .proc_handler = proc_dointvec_jiffies,
+ .strategy = sysctl_jiffies,
},
{
.ctl_name = NET_IPV6_ROUTE_GC_INTERVAL,
.data = &init_net.ipv6.sysctl.ip6_rt_gc_interval,
.maxlen = sizeof(int),
.mode = 0644,
- .proc_handler = &proc_dointvec_jiffies,
- .strategy = &sysctl_jiffies,
+ .proc_handler = proc_dointvec_jiffies,
+ .strategy = sysctl_jiffies,
},
{
.ctl_name = NET_IPV6_ROUTE_GC_ELASTICITY,
.data = &init_net.ipv6.sysctl.ip6_rt_gc_elasticity,
.maxlen = sizeof(int),
.mode = 0644,
- .proc_handler = &proc_dointvec_jiffies,
- .strategy = &sysctl_jiffies,
+ .proc_handler = proc_dointvec_jiffies,
+ .strategy = sysctl_jiffies,
},
{
.ctl_name = NET_IPV6_ROUTE_MTU_EXPIRES,
.data = &init_net.ipv6.sysctl.ip6_rt_mtu_expires,
.maxlen = sizeof(int),
.mode = 0644,
- .proc_handler = &proc_dointvec_jiffies,
- .strategy = &sysctl_jiffies,
+ .proc_handler = proc_dointvec_jiffies,
+ .strategy = sysctl_jiffies,
},
{
.ctl_name = NET_IPV6_ROUTE_MIN_ADVMSS,
.data = &init_net.ipv6.sysctl.ip6_rt_min_advmss,
.maxlen = sizeof(int),
.mode = 0644,
- .proc_handler = &proc_dointvec_jiffies,
- .strategy = &sysctl_jiffies,
+ .proc_handler = proc_dointvec_jiffies,
+ .strategy = sysctl_jiffies,
},
{
.ctl_name = NET_IPV6_ROUTE_GC_MIN_INTERVAL_MS,
.data = &init_net.ipv6.sysctl.ip6_rt_gc_min_interval,
.maxlen = sizeof(int),
.mode = 0644,
- .proc_handler = &proc_dointvec_ms_jiffies,
- .strategy = &sysctl_ms_jiffies,
+ .proc_handler = proc_dointvec_ms_jiffies,
+ .strategy = sysctl_ms_jiffies,
},
{ .ctl_name = 0 }
};
static int ip6_route_net_init(struct net *net)
{
- int ret = 0;
+ int ret = -ENOMEM;
- ret = -ENOMEM;
net->ipv6.ip6_dst_ops = kmemdup(&ip6_dst_ops_template,
sizeof(*net->ipv6.ip6_dst_ops),
GFP_KERNEL);
if (!net->ipv6.ip6_dst_ops)
goto out;
- net->ipv6.ip6_dst_ops->dst_net = net;
+ net->ipv6.ip6_dst_ops->dst_net = hold_net(net);
net->ipv6.ip6_null_entry = kmemdup(&ip6_null_entry_template,
sizeof(*net->ipv6.ip6_null_entry),
net->ipv6.ip6_prohibit_entry = kmemdup(&ip6_prohibit_entry_template,
sizeof(*net->ipv6.ip6_prohibit_entry),
GFP_KERNEL);
- if (!net->ipv6.ip6_prohibit_entry) {
- kfree(net->ipv6.ip6_null_entry);
- goto out;
- }
+ if (!net->ipv6.ip6_prohibit_entry)
+ goto out_ip6_null_entry;
net->ipv6.ip6_prohibit_entry->u.dst.path =
(struct dst_entry *)net->ipv6.ip6_prohibit_entry;
net->ipv6.ip6_prohibit_entry->u.dst.ops = net->ipv6.ip6_dst_ops;
net->ipv6.ip6_blk_hole_entry = kmemdup(&ip6_blk_hole_entry_template,
sizeof(*net->ipv6.ip6_blk_hole_entry),
GFP_KERNEL);
- if (!net->ipv6.ip6_blk_hole_entry) {
- kfree(net->ipv6.ip6_null_entry);
- kfree(net->ipv6.ip6_prohibit_entry);
- goto out;
- }
+ if (!net->ipv6.ip6_blk_hole_entry)
+ goto out_ip6_prohibit_entry;
net->ipv6.ip6_blk_hole_entry->u.dst.path =
(struct dst_entry *)net->ipv6.ip6_blk_hole_entry;
net->ipv6.ip6_blk_hole_entry->u.dst.ops = net->ipv6.ip6_dst_ops;
#endif
+ net->ipv6.sysctl.flush_delay = 0;
+ net->ipv6.sysctl.ip6_rt_max_size = 4096;
+ net->ipv6.sysctl.ip6_rt_gc_min_interval = HZ / 2;
+ net->ipv6.sysctl.ip6_rt_gc_timeout = 60*HZ;
+ net->ipv6.sysctl.ip6_rt_gc_interval = 30*HZ;
+ net->ipv6.sysctl.ip6_rt_gc_elasticity = 9;
+ net->ipv6.sysctl.ip6_rt_mtu_expires = 10*60*HZ;
+ net->ipv6.sysctl.ip6_rt_min_advmss = IPV6_MIN_MTU - 20 - 40;
+
#ifdef CONFIG_PROC_FS
proc_net_fops_create(net, "ipv6_route", 0, &ipv6_route_proc_fops);
proc_net_fops_create(net, "rt6_stats", S_IRUGO, &rt6_stats_seq_fops);
out:
return ret;
+#ifdef CONFIG_IPV6_MULTIPLE_TABLES
+out_ip6_prohibit_entry:
+ kfree(net->ipv6.ip6_prohibit_entry);
+out_ip6_null_entry:
+ kfree(net->ipv6.ip6_null_entry);
+#endif
out_ip6_dst_ops:
+ release_net(net->ipv6.ip6_dst_ops->dst_net);
kfree(net->ipv6.ip6_dst_ops);
goto out;
}
kfree(net->ipv6.ip6_prohibit_entry);
kfree(net->ipv6.ip6_blk_hole_entry);
#endif
+ release_net(net->ipv6.ip6_dst_ops->dst_net);
kfree(net->ipv6.ip6_dst_ops);
}
kmem_cache_create("ip6_dst_cache", sizeof(struct rt6_info), 0,
SLAB_HWCACHE_ALIGN, NULL);
if (!ip6_dst_ops_template.kmem_cachep)
- goto out;;
+ goto out;
ret = register_pernet_subsys(&ip6_route_net_ops);
if (ret)
goto out_kmem_cache;
+ ip6_dst_blackhole_ops.kmem_cachep = ip6_dst_ops_template.kmem_cachep;
+
/* Registering of the loopback is done before this portion of code,
* the loopback reference in rt6_info will not be taken, do it
* manually for init_net */
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff