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Merge branch 'master' of /repos/git/net-next-2.6

Browse source 
Conflicts:
	include/net/netfilter/xt_rateest.h
	net/bridge/br_netfilter.c
	net/netfilter/nf_conntrack_core.c

Signed-off-by: Patrick McHardy <[email protected]>
This commit is contained in:
Patrick McHardy 2010-06-15 17:31:06 +02:00
commit f9181f4ffc
531 changed files with 14835 additions and 8682 deletions
Download patch file Download diff file Expand all files Collapse all files

10
net/ipv6/addrconf.c
View file

@ -557,7 +557,7 @@ void inet6_ifa_finish_destroy(struct inet6_ifaddr *ifp)
pr_warning("Freeing alive inet6 address %p\n", ifp);
return;
}
dst_release(&ifp->rt->u.dst);
dst_release(&ifp->rt->dst);
call_rcu(&ifp->rcu, inet6_ifa_finish_destroy_rcu);
}
@ -823,7 +823,7 @@ static void ipv6_del_addr(struct inet6_ifaddr *ifp)
rt->rt6i_flags |= RTF_EXPIRES;
}
}
dst_release(&rt->u.dst);
dst_release(&rt->dst);
}
out:
@ -1863,7 +1863,7 @@ void addrconf_prefix_rcv(struct net_device *dev, u8 *opt, int len)
dev, expires, flags);
}
if (rt)
dst_release(&rt->u.dst);
dst_release(&rt->dst);
}
/* Try to figure out our local address for this prefix */
@ -4093,11 +4093,11 @@ static void __ipv6_ifa_notify(int event, struct inet6_ifaddr *ifp)
if (ifp->idev->cnf.forwarding)
addrconf_leave_anycast(ifp);
addrconf_leave_solict(ifp->idev, &ifp->addr);
dst_hold(&ifp->rt->u.dst);
dst_hold(&ifp->rt->dst);
if (ifp->state == INET6_IFADDR_STATE_DEAD &&
ip6_del_rt(ifp->rt))
dst_free(&ifp->rt->u.dst);
dst_free(&ifp->rt->dst);
break;
}
}

6
net/ipv6/addrlabel.c
View file

@ -53,11 +53,7 @@ static struct ip6addrlbl_table
static inline
struct net *ip6addrlbl_net(const struct ip6addrlbl_entry *lbl)
{
#ifdef CONFIG_NET_NS
return lbl->lbl_net;
#else
return &init_net;
#endif
return read_pnet(&lbl->lbl_net);
}
/*

9
net/ipv6/af_inet6.c
View file

@ -651,7 +651,7 @@ int inet6_sk_rebuild_header(struct sock *sk)
if (dst == NULL) {
struct inet_sock *inet = inet_sk(sk);
struct in6_addr *final_p = NULL, final;
struct in6_addr *final_p, final;
struct flowi fl;
memset(&fl, 0, sizeof(fl));
@ -665,12 +665,7 @@ int inet6_sk_rebuild_header(struct sock *sk)
fl.fl_ip_sport = inet->inet_sport;
security_sk_classify_flow(sk, &fl);
if (np->opt && np->opt->srcrt) {
struct rt0_hdr *rt0 = (struct rt0_hdr *) np->opt->srcrt;
ipv6_addr_copy(&final, &fl.fl6_dst);
ipv6_addr_copy(&fl.fl6_dst, rt0->addr);
final_p = &final;
}
final_p = fl6_update_dst(&fl, np->opt, &final);
err = ip6_dst_lookup(sk, &dst, &fl);
if (err) {

96
net/ipv6/anycast.c
View file

@ -77,41 +77,40 @@ int ipv6_sock_ac_join(struct sock *sk, int ifindex, struct in6_addr *addr)
pac->acl_next = NULL;
ipv6_addr_copy(&pac->acl_addr, addr);
rcu_read_lock();
if (ifindex == 0) {
struct rt6_info *rt;
rt = rt6_lookup(net, addr, NULL, 0, 0);
if (rt) {
dev = rt->rt6i_dev;
dev_hold(dev);
dst_release(&rt->u.dst);
dst_release(&rt->dst);
} else if (ishost) {
err = -EADDRNOTAVAIL;
goto out_free_pac;
goto error;
} else {
/* router, no matching interface: just pick one */
dev = dev_get_by_flags(net, IFF_UP, IFF_UP|IFF_LOOPBACK);
dev = dev_get_by_flags_rcu(net, IFF_UP,
IFF_UP | IFF_LOOPBACK);
}
} else
dev = dev_get_by_index(net, ifindex);
dev = dev_get_by_index_rcu(net, ifindex);
if (dev == NULL) {
err = -ENODEV;
goto out_free_pac;
goto error;
}
idev = in6_dev_get(dev);
idev = __in6_dev_get(dev);
if (!idev) {
if (ifindex)
err = -ENODEV;
else
err = -EADDRNOTAVAIL;
goto out_dev_put;
goto error;
}
/* reset ishost, now that we have a specific device */
ishost = !idev->cnf.forwarding;
in6_dev_put(idev);
pac->acl_ifindex = dev->ifindex;
@ -124,26 +123,22 @@ int ipv6_sock_ac_join(struct sock *sk, int ifindex, struct in6_addr *addr)
if (ishost)
err = -EADDRNOTAVAIL;
if (err)
goto out_dev_put;
goto error;
}
err = ipv6_dev_ac_inc(dev, addr);
if (err)
goto out_dev_put;
if (!err) {
write_lock_bh(&ipv6_sk_ac_lock);
pac->acl_next = np->ipv6_ac_list;
np->ipv6_ac_list = pac;
write_unlock_bh(&ipv6_sk_ac_lock);
pac = NULL;
}
write_lock_bh(&ipv6_sk_ac_lock);
pac->acl_next = np->ipv6_ac_list;
np->ipv6_ac_list = pac;
write_unlock_bh(&ipv6_sk_ac_lock);
dev_put(dev);
return 0;
out_dev_put:
dev_put(dev);
out_free_pac:
sock_kfree_s(sk, pac, sizeof(*pac));
error:
rcu_read_unlock();
if (pac)
sock_kfree_s(sk, pac, sizeof(*pac));
return err;
}
@ -176,11 +171,12 @@ int ipv6_sock_ac_drop(struct sock *sk, int ifindex, struct in6_addr *addr)
write_unlock_bh(&ipv6_sk_ac_lock);
dev = dev_get_by_index(net, pac->acl_ifindex);
if (dev) {
rcu_read_lock();
dev = dev_get_by_index_rcu(net, pac->acl_ifindex);
if (dev)
ipv6_dev_ac_dec(dev, &pac->acl_addr);
dev_put(dev);
}
rcu_read_unlock();
sock_kfree_s(sk, pac, sizeof(*pac));
return 0;
}
@ -199,13 +195,12 @@ void ipv6_sock_ac_close(struct sock *sk)
write_unlock_bh(&ipv6_sk_ac_lock);
prev_index = 0;
rcu_read_lock();
while (pac) {
struct ipv6_ac_socklist *next = pac->acl_next;
if (pac->acl_ifindex != prev_index) {
if (dev)
dev_put(dev);
dev = dev_get_by_index(net, pac->acl_ifindex);
dev = dev_get_by_index_rcu(net, pac->acl_ifindex);
prev_index = pac->acl_ifindex;
}
if (dev)
@ -213,8 +208,7 @@ void ipv6_sock_ac_close(struct sock *sk)
sock_kfree_s(sk, pac, sizeof(*pac));
pac = next;
}
if (dev)
dev_put(dev);
rcu_read_unlock();
}
#if 0
@ -250,7 +244,7 @@ static void aca_put(struct ifacaddr6 *ac)
{
if (atomic_dec_and_test(&ac->aca_refcnt)) {
in6_dev_put(ac->aca_idev);
dst_release(&ac->aca_rt->u.dst);
dst_release(&ac->aca_rt->dst);
kfree(ac);
}
}
@ -356,40 +350,39 @@ int __ipv6_dev_ac_dec(struct inet6_dev *idev, struct in6_addr *addr)
write_unlock_bh(&idev->lock);
addrconf_leave_solict(idev, &aca->aca_addr);
dst_hold(&aca->aca_rt->u.dst);
dst_hold(&aca->aca_rt->dst);
ip6_del_rt(aca->aca_rt);
aca_put(aca);
return 0;
}
/* called with rcu_read_lock() */
static int ipv6_dev_ac_dec(struct net_device *dev, struct in6_addr *addr)
{
int ret;
struct inet6_dev *idev = in6_dev_get(dev);
struct inet6_dev *idev = __in6_dev_get(dev);
if (idev == NULL)
return -ENODEV;
ret = __ipv6_dev_ac_dec(idev, addr);
in6_dev_put(idev);
return ret;
return __ipv6_dev_ac_dec(idev, addr);
}
/*
* check if the interface has this anycast address
* called with rcu_read_lock()
*/
static int ipv6_chk_acast_dev(struct net_device *dev, struct in6_addr *addr)
{
struct inet6_dev *idev;
struct ifacaddr6 *aca;
idev = in6_dev_get(dev);
idev = __in6_dev_get(dev);
if (idev) {
read_lock_bh(&idev->lock);
for (aca = idev->ac_list; aca; aca = aca->aca_next)
if (ipv6_addr_equal(&aca->aca_addr, addr))
break;
read_unlock_bh(&idev->lock);
in6_dev_put(idev);
return aca != NULL;
}
return 0;
@ -403,14 +396,15 @@ int ipv6_chk_acast_addr(struct net *net, struct net_device *dev,
{
int found = 0;
if (dev)
return ipv6_chk_acast_dev(dev, addr);
rcu_read_lock();
for_each_netdev_rcu(net, dev)
if (ipv6_chk_acast_dev(dev, addr)) {
found = 1;
break;
}
if (dev)
found = ipv6_chk_acast_dev(dev, addr);
else
for_each_netdev_rcu(net, dev)
if (ipv6_chk_acast_dev(dev, addr)) {
found = 1;
break;
}
rcu_read_unlock();
return found;
}

18
net/ipv6/datagram.c
View file

@ -38,10 +38,11 @@ int ip6_datagram_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len)
struct sockaddr_in6 *usin = (struct sockaddr_in6 *) uaddr;
struct inet_sock *inet = inet_sk(sk);
struct ipv6_pinfo *np = inet6_sk(sk);
struct in6_addr *daddr, *final_p = NULL, final;
struct in6_addr *daddr, *final_p, final;
struct dst_entry *dst;
struct flowi fl;
struct ip6_flowlabel *flowlabel = NULL;
struct ipv6_txoptions *opt;
int addr_type;
int err;
@ -155,19 +156,8 @@ ipv4_connected:
security_sk_classify_flow(sk, &fl);
if (flowlabel) {
if (flowlabel->opt && flowlabel->opt->srcrt) {
struct rt0_hdr *rt0 = (struct rt0_hdr *) flowlabel->opt->srcrt;
ipv6_addr_copy(&final, &fl.fl6_dst);
ipv6_addr_copy(&fl.fl6_dst, rt0->addr);
final_p = &final;
}
} else if (np->opt && np->opt->srcrt) {
struct rt0_hdr *rt0 = (struct rt0_hdr *)np->opt->srcrt;
ipv6_addr_copy(&final, &fl.fl6_dst);
ipv6_addr_copy(&fl.fl6_dst, rt0->addr);
final_p = &final;
}
opt = flowlabel ? flowlabel->opt : np->opt;
final_p = fl6_update_dst(&fl, opt, &final);
err = ip6_dst_lookup(sk, &dst, &fl);
if (err)

34
net/ipv6/exthdrs.c
View file

@ -312,6 +312,7 @@ static int ipv6_destopt_rcv(struct sk_buff *skb)
Routing header.
********************************/
/* called with rcu_read_lock() */
static int ipv6_rthdr_rcv(struct sk_buff *skb)
{
struct inet6_skb_parm *opt = IP6CB(skb);
@ -324,12 +325,9 @@ static int ipv6_rthdr_rcv(struct sk_buff *skb)
struct net *net = dev_net(skb->dev);
int accept_source_route = net->ipv6.devconf_all->accept_source_route;
idev = in6_dev_get(skb->dev);
if (idev) {
if (accept_source_route > idev->cnf.accept_source_route)
accept_source_route = idev->cnf.accept_source_route;
in6_dev_put(idev);
}
idev = __in6_dev_get(skb->dev);
if (idev && accept_source_route > idev->cnf.accept_source_route)
accept_source_route = idev->cnf.accept_source_route;
if (!pskb_may_pull(skb, skb_transport_offset(skb) + 8) ||
!pskb_may_pull(skb, (skb_transport_offset(skb) +
@ -874,3 +872,27 @@ struct ipv6_txoptions *ipv6_fixup_options(struct ipv6_txoptions *opt_space,
return opt;
}
/**
* fl6_update_dst - update flowi destination address with info given
* by srcrt option, if any.
*
* @fl: flowi for which fl6_dst is to be updated
* @opt: struct ipv6_txoptions in which to look for srcrt opt
* @orig: copy of original fl6_dst address if modified
*
* Returns NULL if no txoptions or no srcrt, otherwise returns orig
* and initial value of fl->fl6_dst set in orig
*/
struct in6_addr *fl6_update_dst(struct flowi *fl,
const struct ipv6_txoptions *opt,
struct in6_addr *orig)
{
if (!opt || !opt->srcrt)
return NULL;
ipv6_addr_copy(orig, &fl->fl6_dst);
ipv6_addr_copy(&fl->fl6_dst, ((struct rt0_hdr *)opt->srcrt)->addr);
return orig;
}
EXPORT_SYMBOL_GPL(fl6_update_dst);

10
net/ipv6/fib6_rules.c
View file

@ -43,8 +43,8 @@ struct dst_entry *fib6_rule_lookup(struct net *net, struct flowi *fl,
if (arg.result)
return arg.result;
dst_hold(&net->ipv6.ip6_null_entry->u.dst);
return &net->ipv6.ip6_null_entry->u.dst;
dst_hold(&net->ipv6.ip6_null_entry->dst);
return &net->ipv6.ip6_null_entry->dst;
}
static int fib6_rule_action(struct fib_rule *rule, struct flowi *flp,
@ -86,7 +86,7 @@ static int fib6_rule_action(struct fib_rule *rule, struct flowi *flp,
struct in6_addr saddr;
if (ipv6_dev_get_saddr(net,
ip6_dst_idev(&rt->u.dst)->dev,
ip6_dst_idev(&rt->dst)->dev,
&flp->fl6_dst,
rt6_flags2srcprefs(flags),
&saddr))
@ -99,12 +99,12 @@ static int fib6_rule_action(struct fib_rule *rule, struct flowi *flp,
goto out;
}
again:
dst_release(&rt->u.dst);
dst_release(&rt->dst);
rt = NULL;
goto out;
discard_pkt:
dst_hold(&rt->u.dst);
dst_hold(&rt->dst);
out:
arg->result = rt;
return rt == NULL ? -EAGAIN : 0;

4
net/ipv6/icmp.c
View file

@ -483,7 +483,7 @@ route_done:
np->tclass, NULL, &fl, (struct rt6_info*)dst,
MSG_DONTWAIT, np->dontfrag);
if (err) {
ICMP6_INC_STATS_BH(net, idev, ICMP6_MIB_OUTMSGS);
ICMP6_INC_STATS_BH(net, idev, ICMP6_MIB_OUTERRORS);
ip6_flush_pending_frames(sk);
goto out_put;
}
@ -565,7 +565,7 @@ static void icmpv6_echo_reply(struct sk_buff *skb)
np->dontfrag);
if (err) {
ICMP6_INC_STATS_BH(net, idev, ICMP6_MIB_OUTMSGS);
ICMP6_INC_STATS_BH(net, idev, ICMP6_MIB_OUTERRORS);
ip6_flush_pending_frames(sk);
goto out_put;
}

9
net/ipv6/inet6_connection_sock.c
View file

@ -185,7 +185,7 @@ int inet6_csk_xmit(struct sk_buff *skb)
struct ipv6_pinfo *np = inet6_sk(sk);
struct flowi fl;
struct dst_entry *dst;
struct in6_addr *final_p = NULL, final;
struct in6_addr *final_p, final;
memset(&fl, 0, sizeof(fl));
fl.proto = sk->sk_protocol;
@ -199,12 +199,7 @@ int inet6_csk_xmit(struct sk_buff *skb)
fl.fl_ip_dport = inet->inet_dport;
security_sk_classify_flow(sk, &fl);
if (np->opt && np->opt->srcrt) {
struct rt0_hdr *rt0 = (struct rt0_hdr *)np->opt->srcrt;
ipv6_addr_copy(&final, &fl.fl6_dst);
ipv6_addr_copy(&fl.fl6_dst, rt0->addr);
final_p = &final;
}
final_p = fl6_update_dst(&fl, np->opt, &final);
dst = __inet6_csk_dst_check(sk, np->dst_cookie);

30
net/ipv6/ip6_fib.c
View file

@ -165,7 +165,7 @@ static __inline__ void node_free(struct fib6_node * fn)
static __inline__ void rt6_release(struct rt6_info *rt)
{
if (atomic_dec_and_test(&rt->rt6i_ref))
dst_free(&rt->u.dst);
dst_free(&rt->dst);
}
static void fib6_link_table(struct net *net, struct fib6_table *tb)
@ -278,7 +278,7 @@ static int fib6_dump_node(struct fib6_walker_t *w)
int res;
struct rt6_info *rt;
for (rt = w->leaf; rt; rt = rt->u.dst.rt6_next) {
for (rt = w->leaf; rt; rt = rt->dst.rt6_next) {
res = rt6_dump_route(rt, w->args);
if (res < 0) {
/* Frame is full, suspend walking */
@ -619,7 +619,7 @@ static int fib6_add_rt2node(struct fib6_node *fn, struct rt6_info *rt,
ins = &fn->leaf;
for (iter = fn->leaf; iter; iter=iter->u.dst.rt6_next) {
for (iter = fn->leaf; iter; iter=iter->dst.rt6_next) {
/*
* Search for duplicates
*/
@ -647,7 +647,7 @@ static int fib6_add_rt2node(struct fib6_node *fn, struct rt6_info *rt,
if (iter->rt6i_metric > rt->rt6i_metric)
break;
ins = &iter->u.dst.rt6_next;
ins = &iter->dst.rt6_next;
}
/* Reset round-robin state, if necessary */
@ -658,7 +658,7 @@ static int fib6_add_rt2node(struct fib6_node *fn, struct rt6_info *rt,
* insert node
*/
rt->u.dst.rt6_next = iter;
rt->dst.rt6_next = iter;
*ins = rt;
rt->rt6i_node = fn;
atomic_inc(&rt->rt6i_ref);
@ -799,7 +799,7 @@ out:
atomic_inc(&pn->leaf->rt6i_ref);
}
#endif
dst_free(&rt->u.dst);
dst_free(&rt->dst);
}
return err;
@ -810,7 +810,7 @@ out:
st_failure:
if (fn && !(fn->fn_flags & (RTN_RTINFO|RTN_ROOT)))
fib6_repair_tree(info->nl_net, fn);
dst_free(&rt->u.dst);
dst_free(&rt->dst);
return err;
#endif
}
@ -1108,7 +1108,7 @@ static void fib6_del_route(struct fib6_node *fn, struct rt6_info **rtp,
RT6_TRACE("fib6_del_route\n");
/* Unlink it */
*rtp = rt->u.dst.rt6_next;
*rtp = rt->dst.rt6_next;
rt->rt6i_node = NULL;
net->ipv6.rt6_stats->fib_rt_entries--;
net->ipv6.rt6_stats->fib_discarded_routes++;
@ -1122,14 +1122,14 @@ static void fib6_del_route(struct fib6_node *fn, struct rt6_info **rtp,
FOR_WALKERS(w) {
if (w->state == FWS_C && w->leaf == rt) {
RT6_TRACE("walker %p adjusted by delroute\n", w);
w->leaf = rt->u.dst.rt6_next;
w->leaf = rt->dst.rt6_next;
if (w->leaf == NULL)
w->state = FWS_U;
}
}
read_unlock(&fib6_walker_lock);
rt->u.dst.rt6_next = NULL;
rt->dst.rt6_next = NULL;
/* If it was last route, expunge its radix tree node */
if (fn->leaf == NULL) {
@ -1168,7 +1168,7 @@ int fib6_del(struct rt6_info *rt, struct nl_info *info)
struct rt6_info **rtp;
#if RT6_DEBUG >= 2
if (rt->u.dst.obsolete>0) {
if (rt->dst.obsolete>0) {
WARN_ON(fn != NULL);
return -ENOENT;
}
@ -1195,7 +1195,7 @@ int fib6_del(struct rt6_info *rt, struct nl_info *info)
* Walk the leaf entries looking for ourself
*/
for (rtp = &fn->leaf; *rtp; rtp = &(*rtp)->u.dst.rt6_next) {
for (rtp = &fn->leaf; *rtp; rtp = &(*rtp)->dst.rt6_next) {
if (*rtp == rt) {
fib6_del_route(fn, rtp, info);
return 0;
@ -1334,7 +1334,7 @@ static int fib6_clean_node(struct fib6_walker_t *w)
.nl_net = c->net,
};
for (rt = w->leaf; rt; rt = rt->u.dst.rt6_next) {
for (rt = w->leaf; rt; rt = rt->dst.rt6_next) {
res = c->func(rt, c->arg);
if (res < 0) {
w->leaf = rt;
@ -1448,8 +1448,8 @@ static int fib6_age(struct rt6_info *rt, void *arg)
}
gc_args.more++;
} else if (rt->rt6i_flags & RTF_CACHE) {
if (atomic_read(&rt->u.dst.__refcnt) == 0 &&
time_after_eq(now, rt->u.dst.lastuse + gc_args.timeout)) {
if (atomic_read(&rt->dst.__refcnt) == 0 &&
time_after_eq(now, rt->dst.lastuse + gc_args.timeout)) {
RT6_TRACE("aging clone %p\n", rt);
return -1;
} else if ((rt->rt6i_flags & RTF_GATEWAY) &&

38
net/ipv6/ip6_output.c
View file

@ -698,7 +698,7 @@ static int ip6_fragment(struct sk_buff *skb, int (*output)(struct sk_buff *))
ipv6_hdr(skb)->payload_len = htons(first_len -
sizeof(struct ipv6hdr));
dst_hold(&rt->u.dst);
dst_hold(&rt->dst);
for (;;) {
/* Prepare header of the next frame,
@ -726,7 +726,7 @@ static int ip6_fragment(struct sk_buff *skb, int (*output)(struct sk_buff *))
err = output(skb);
if(!err)
IP6_INC_STATS(net, ip6_dst_idev(&rt->u.dst),
IP6_INC_STATS(net, ip6_dst_idev(&rt->dst),
IPSTATS_MIB_FRAGCREATES);
if (err || !frag)
@ -740,9 +740,9 @@ static int ip6_fragment(struct sk_buff *skb, int (*output)(struct sk_buff *))
kfree(tmp_hdr);
if (err == 0) {
IP6_INC_STATS(net, ip6_dst_idev(&rt->u.dst),
IP6_INC_STATS(net, ip6_dst_idev(&rt->dst),
IPSTATS_MIB_FRAGOKS);
dst_release(&rt->u.dst);
dst_release(&rt->dst);
return 0;
}
@ -752,9 +752,9 @@ static int ip6_fragment(struct sk_buff *skb, int (*output)(struct sk_buff *))
frag = skb;
}
IP6_INC_STATS(net, ip6_dst_idev(&rt->u.dst),
IP6_INC_STATS(net, ip6_dst_idev(&rt->dst),
IPSTATS_MIB_FRAGFAILS);
dst_release(&rt->u.dst);
dst_release(&rt->dst);
return err;
}
@ -785,7 +785,7 @@ slow_path:
* Allocate buffer.
*/
if ((frag = alloc_skb(len+hlen+sizeof(struct frag_hdr)+LL_ALLOCATED_SPACE(rt->u.dst.dev), GFP_ATOMIC)) == NULL) {
if ((frag = alloc_skb(len+hlen+sizeof(struct frag_hdr)+LL_ALLOCATED_SPACE(rt->dst.dev), GFP_ATOMIC)) == NULL) {
NETDEBUG(KERN_INFO "IPv6: frag: no memory for new fragment!\n");
IP6_INC_STATS(net, ip6_dst_idev(skb_dst(skb)),
IPSTATS_MIB_FRAGFAILS);
@ -798,7 +798,7 @@ slow_path:
*/
ip6_copy_metadata(frag, skb);
skb_reserve(frag, LL_RESERVED_SPACE(rt->u.dst.dev));
skb_reserve(frag, LL_RESERVED_SPACE(rt->dst.dev));
skb_put(frag, len + hlen + sizeof(struct frag_hdr));
skb_reset_network_header(frag);
fh = (struct frag_hdr *)(skb_network_header(frag) + hlen);
@ -1156,24 +1156,24 @@ int ip6_append_data(struct sock *sk, int getfrag(void *from, char *to,
/* need source address above miyazawa*/
}
dst_hold(&rt->u.dst);
inet->cork.dst = &rt->u.dst;
dst_hold(&rt->dst);
inet->cork.dst = &rt->dst;
inet->cork.fl = *fl;
np->cork.hop_limit = hlimit;
np->cork.tclass = tclass;
mtu = np->pmtudisc == IPV6_PMTUDISC_PROBE ?
rt->u.dst.dev->mtu : dst_mtu(rt->u.dst.path);
rt->dst.dev->mtu : dst_mtu(rt->dst.path);
if (np->frag_size < mtu) {
if (np->frag_size)
mtu = np->frag_size;
}
inet->cork.fragsize = mtu;
if (dst_allfrag(rt->u.dst.path))
if (dst_allfrag(rt->dst.path))
inet->cork.flags |= IPCORK_ALLFRAG;
inet->cork.length = 0;
sk->sk_sndmsg_page = NULL;
sk->sk_sndmsg_off = 0;
exthdrlen = rt->u.dst.header_len + (opt ? opt->opt_flen : 0) -
exthdrlen = rt->dst.header_len + (opt ? opt->opt_flen : 0) -
rt->rt6i_nfheader_len;
length += exthdrlen;
transhdrlen += exthdrlen;
@ -1186,7 +1186,7 @@ int ip6_append_data(struct sock *sk, int getfrag(void *from, char *to,
mtu = inet->cork.fragsize;
}
hh_len = LL_RESERVED_SPACE(rt->u.dst.dev);
hh_len = LL_RESERVED_SPACE(rt->dst.dev);
fragheaderlen = sizeof(struct ipv6hdr) + rt->rt6i_nfheader_len +
(opt ? opt->opt_nflen : 0);
@ -1224,7 +1224,7 @@ int ip6_append_data(struct sock *sk, int getfrag(void *from, char *to,
}
if (proto == IPPROTO_UDP &&
(rt->u.dst.dev->features & NETIF_F_UFO)) {
(rt->dst.dev->features & NETIF_F_UFO)) {
err = ip6_ufo_append_data(sk, getfrag, from, length,
hh_len, fragheaderlen,
@ -1270,7 +1270,7 @@ alloc_new_skb:
fraglen = datalen + fragheaderlen;
if ((flags & MSG_MORE) &&
!(rt->u.dst.dev->features&NETIF_F_SG))
!(rt->dst.dev->features&NETIF_F_SG))
alloclen = mtu;
else
alloclen = datalen + fragheaderlen;
@ -1281,7 +1281,7 @@ alloc_new_skb:
* because we have no idea if we're the last one.
*/
if (datalen == length + fraggap)
alloclen += rt->u.dst.trailer_len;
alloclen += rt->dst.trailer_len;
/*
* We just reserve space for fragment header.
@ -1358,7 +1358,7 @@ alloc_new_skb:
if (copy > length)
copy = length;
if (!(rt->u.dst.dev->features&NETIF_F_SG)) {
if (!(rt->dst.dev->features&NETIF_F_SG)) {
unsigned int off;
off = skb->len;
@ -1503,7 +1503,7 @@ int ip6_push_pending_frames(struct sock *sk)
skb->priority = sk->sk_priority;
skb->mark = sk->sk_mark;
skb_dst_set(skb, dst_clone(&rt->u.dst));
skb_dst_set(skb, dst_clone(&rt->dst));
IP6_UPD_PO_STATS(net, rt->rt6i_idev, IPSTATS_MIB_OUT, skb->len);
if (proto == IPPROTO_ICMPV6) {
struct inet6_dev *idev = ip6_dst_idev(skb_dst(skb));

8
net/ipv6/ip6_tunnel.c
View file

@ -552,7 +552,7 @@ ip4ip6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
if (ip_route_output_key(dev_net(skb->dev), &rt, &fl))
goto out;
skb2->dev = rt->u.dst.dev;
skb2->dev = rt->dst.dev;
/* route "incoming" packet */
if (rt->rt_flags & RTCF_LOCAL) {
@ -562,7 +562,7 @@ ip4ip6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
fl.fl4_src = eiph->saddr;
fl.fl4_tos = eiph->tos;
if (ip_route_output_key(dev_net(skb->dev), &rt, &fl) ||
rt->u.dst.dev->type != ARPHRD_TUNNEL) {
rt->dst.dev->type != ARPHRD_TUNNEL) {
ip_rt_put(rt);
goto out;
}
@ -626,7 +626,7 @@ ip6ip6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
icmpv6_send(skb2, rel_type, rel_code, rel_info);
if (rt)
dst_release(&rt->u.dst);
dst_release(&rt->dst);
kfree_skb(skb2);
}
@ -1135,7 +1135,7 @@ static void ip6_tnl_link_config(struct ip6_tnl *t)
if (dev->mtu < IPV6_MIN_MTU)
dev->mtu = IPV6_MIN_MTU;
}
dst_release(&rt->u.dst);
dst_release(&rt->dst);
}
}

6
net/ipv6/ip6mr.c
View file

@ -120,7 +120,7 @@ static void mroute_clean_tables(struct mr6_table *mrt);
static void ipmr_expire_process(unsigned long arg);
#ifdef CONFIG_IPV6_MROUTE_MULTIPLE_TABLES
#define ip6mr_for_each_table(mrt, met) \
#define ip6mr_for_each_table(mrt, net) \
list_for_each_entry_rcu(mrt, &net->ipv6.mr6_tables, list)
static struct mr6_table *ip6mr_get_table(struct net *net, u32 id)
@ -254,8 +254,10 @@ static void __net_exit ip6mr_rules_exit(struct net *net)
{
struct mr6_table *mrt, *next;
list_for_each_entry_safe(mrt, next, &net->ipv6.mr6_tables, list)
list_for_each_entry_safe(mrt, next, &net->ipv6.mr6_tables, list) {
list_del(&mrt->list);
ip6mr_free_table(mrt);
}
fib_rules_unregister(net->ipv6.mr6_rules_ops);
}
#else

195
net/ipv6/mcast.c
View file

@ -152,18 +152,19 @@ int ipv6_sock_mc_join(struct sock *sk, int ifindex, const struct in6_addr *addr)
mc_lst->next = NULL;
ipv6_addr_copy(&mc_lst->addr, addr);
rcu_read_lock();
if (ifindex == 0) {
struct rt6_info *rt;
rt = rt6_lookup(net, addr, NULL, 0, 0);
if (rt) {
dev = rt->rt6i_dev;
dev_hold(dev);
dst_release(&rt->u.dst);
dst_release(&rt->dst);
}
} else
dev = dev_get_by_index(net, ifindex);
dev = dev_get_by_index_rcu(net, ifindex);
if (dev == NULL) {
rcu_read_unlock();
sock_kfree_s(sk, mc_lst, sizeof(*mc_lst));
return -ENODEV;
}
@ -180,8 +181,8 @@ int ipv6_sock_mc_join(struct sock *sk, int ifindex, const struct in6_addr *addr)
err = ipv6_dev_mc_inc(dev, addr);
if (err) {
rcu_read_unlock();
sock_kfree_s(sk, mc_lst, sizeof(*mc_lst));
dev_put(dev);
return err;
}
@ -190,7 +191,7 @@ int ipv6_sock_mc_join(struct sock *sk, int ifindex, const struct in6_addr *addr)
np->ipv6_mc_list = mc_lst;
write_unlock_bh(&ipv6_sk_mc_lock);
dev_put(dev);
rcu_read_unlock();
return 0;
}
@ -213,18 +214,17 @@ int ipv6_sock_mc_drop(struct sock *sk, int ifindex, const struct in6_addr *addr)
*lnk = mc_lst->next;
write_unlock_bh(&ipv6_sk_mc_lock);
dev = dev_get_by_index(net, mc_lst->ifindex);
rcu_read_lock();
dev = dev_get_by_index_rcu(net, mc_lst->ifindex);
if (dev != NULL) {
struct inet6_dev *idev = in6_dev_get(dev);
struct inet6_dev *idev = __in6_dev_get(dev);
(void) ip6_mc_leave_src(sk, mc_lst, idev);
if (idev) {
if (idev)
__ipv6_dev_mc_dec(idev, &mc_lst->addr);
in6_dev_put(idev);
}
dev_put(dev);
} else
(void) ip6_mc_leave_src(sk, mc_lst, NULL);
rcu_read_unlock();
sock_kfree_s(sk, mc_lst, sizeof(*mc_lst));
return 0;
}
@ -234,43 +234,36 @@ int ipv6_sock_mc_drop(struct sock *sk, int ifindex, const struct in6_addr *addr)
return -EADDRNOTAVAIL;
}
static struct inet6_dev *ip6_mc_find_dev(struct net *net,
struct in6_addr *group,
int ifindex)
/* called with rcu_read_lock() */
static struct inet6_dev *ip6_mc_find_dev_rcu(struct net *net,
struct in6_addr *group,
int ifindex)
{
struct net_device *dev = NULL;
struct inet6_dev *idev = NULL;
if (ifindex == 0) {
struct rt6_info *rt;
struct rt6_info *rt = rt6_lookup(net, group, NULL, 0, 0);
rt = rt6_lookup(net, group, NULL, 0, 0);
if (rt) {
dev = rt->rt6i_dev;
dev_hold(dev);
dst_release(&rt->u.dst);
dst_release(&rt->dst);
}
} else
dev = dev_get_by_index(net, ifindex);
dev = dev_get_by_index_rcu(net, ifindex);
if (!dev)
goto nodev;
idev = in6_dev_get(dev);
return NULL;
idev = __in6_dev_get(dev);
if (!idev)
goto release;
return NULL;;
read_lock_bh(&idev->lock);
if (idev->dead)
goto unlock_release;
if (idev->dead) {
read_unlock_bh(&idev->lock);
return NULL;
}
return idev;
unlock_release:
read_unlock_bh(&idev->lock);
in6_dev_put(idev);
release:
dev_put(dev);
nodev:
return NULL;
}
void ipv6_sock_mc_close(struct sock *sk)
@ -286,19 +279,17 @@ void ipv6_sock_mc_close(struct sock *sk)
np->ipv6_mc_list = mc_lst->next;
write_unlock_bh(&ipv6_sk_mc_lock);
dev = dev_get_by_index(net, mc_lst->ifindex);
rcu_read_lock();
dev = dev_get_by_index_rcu(net, mc_lst->ifindex);
if (dev) {
struct inet6_dev *idev = in6_dev_get(dev);
struct inet6_dev *idev = __in6_dev_get(dev);
(void) ip6_mc_leave_src(sk, mc_lst, idev);
if (idev) {
if (idev)
__ipv6_dev_mc_dec(idev, &mc_lst->addr);
in6_dev_put(idev);
}
dev_put(dev);
} else
(void) ip6_mc_leave_src(sk, mc_lst, NULL);
rcu_read_unlock();
sock_kfree_s(sk, mc_lst, sizeof(*mc_lst));
write_lock_bh(&ipv6_sk_mc_lock);
@ -327,14 +318,17 @@ int ip6_mc_source(int add, int omode, struct sock *sk,
if (!ipv6_addr_is_multicast(group))
return -EINVAL;
idev = ip6_mc_find_dev(net, group, pgsr->gsr_interface);
if (!idev)
rcu_read_lock();
idev = ip6_mc_find_dev_rcu(net, group, pgsr->gsr_interface);
if (!idev) {
rcu_read_unlock();
return -ENODEV;
}
dev = idev->dev;
err = -EADDRNOTAVAIL;
read_lock_bh(&ipv6_sk_mc_lock);
read_lock(&ipv6_sk_mc_lock);
for (pmc=inet6->ipv6_mc_list; pmc; pmc=pmc->next) {
if (pgsr->gsr_interface && pmc->ifindex != pgsr->gsr_interface)
continue;
@ -358,7 +352,7 @@ int ip6_mc_source(int add, int omode, struct sock *sk,
pmc->sfmode = omode;
}
write_lock_bh(&pmc->sflock);
write_lock(&pmc->sflock);
pmclocked = 1;
psl = pmc->sflist;
@ -433,11 +427,10 @@ int ip6_mc_source(int add, int omode, struct sock *sk,
ip6_mc_add_src(idev, group, omode, 1, source, 1);
done:
if (pmclocked)
write_unlock_bh(&pmc->sflock);
read_unlock_bh(&ipv6_sk_mc_lock);
write_unlock(&pmc->sflock);
read_unlock(&ipv6_sk_mc_lock);
read_unlock_bh(&idev->lock);
in6_dev_put(idev);
dev_put(dev);
rcu_read_unlock();
if (leavegroup)
return ipv6_sock_mc_drop(sk, pgsr->gsr_interface, group);
return err;
@ -463,14 +456,17 @@ int ip6_mc_msfilter(struct sock *sk, struct group_filter *gsf)
gsf->gf_fmode != MCAST_EXCLUDE)
return -EINVAL;
idev = ip6_mc_find_dev(net, group, gsf->gf_interface);
rcu_read_lock();
idev = ip6_mc_find_dev_rcu(net, group, gsf->gf_interface);
if (!idev)
if (!idev) {
rcu_read_unlock();
return -ENODEV;
}
dev = idev->dev;
err = 0;
read_lock_bh(&ipv6_sk_mc_lock);
read_lock(&ipv6_sk_mc_lock);
if (gsf->gf_fmode == MCAST_INCLUDE && gsf->gf_numsrc == 0) {
leavegroup = 1;
@ -512,7 +508,7 @@ int ip6_mc_msfilter(struct sock *sk, struct group_filter *gsf)
(void) ip6_mc_add_src(idev, group, gsf->gf_fmode, 0, NULL, 0);
}
write_lock_bh(&pmc->sflock);
write_lock(&pmc->sflock);
psl = pmc->sflist;
if (psl) {
(void) ip6_mc_del_src(idev, group, pmc->sfmode,
@ -522,13 +518,12 @@ int ip6_mc_msfilter(struct sock *sk, struct group_filter *gsf)
(void) ip6_mc_del_src(idev, group, pmc->sfmode, 0, NULL, 0);
pmc->sflist = newpsl;
pmc->sfmode = gsf->gf_fmode;
write_unlock_bh(&pmc->sflock);
write_unlock(&pmc->sflock);
err = 0;
done:
read_unlock_bh(&ipv6_sk_mc_lock);
read_unlock(&ipv6_sk_mc_lock);
read_unlock_bh(&idev->lock);
in6_dev_put(idev);
dev_put(dev);
rcu_read_unlock();
if (leavegroup)
err = ipv6_sock_mc_drop(sk, gsf->gf_interface, group);
return err;
@ -551,11 +546,13 @@ int ip6_mc_msfget(struct sock *sk, struct group_filter *gsf,
if (!ipv6_addr_is_multicast(group))
return -EINVAL;
idev = ip6_mc_find_dev(net, group, gsf->gf_interface);
rcu_read_lock();
idev = ip6_mc_find_dev_rcu(net, group, gsf->gf_interface);
if (!idev)
if (!idev) {
rcu_read_unlock();
return -ENODEV;
}
dev = idev->dev;
err = -EADDRNOTAVAIL;
@ -577,8 +574,7 @@ int ip6_mc_msfget(struct sock *sk, struct group_filter *gsf,
psl = pmc->sflist;
count = psl ? psl->sl_count : 0;
read_unlock_bh(&idev->lock);
in6_dev_put(idev);
dev_put(dev);
rcu_read_unlock();
copycount = count < gsf->gf_numsrc ? count : gsf->gf_numsrc;
gsf->gf_numsrc = count;
@ -604,8 +600,7 @@ int ip6_mc_msfget(struct sock *sk, struct group_filter *gsf,
return 0;
done:
read_unlock_bh(&idev->lock);
in6_dev_put(idev);
dev_put(dev);
rcu_read_unlock();
return err;
}
@ -822,6 +817,7 @@ int ipv6_dev_mc_inc(struct net_device *dev, const struct in6_addr *addr)
struct ifmcaddr6 *mc;
struct inet6_dev *idev;
/* we need to take a reference on idev */
idev = in6_dev_get(dev);
if (idev == NULL)
@ -860,7 +856,7 @@ int ipv6_dev_mc_inc(struct net_device *dev, const struct in6_addr *addr)
setup_timer(&mc->mca_timer, igmp6_timer_handler, (unsigned long)mc);
ipv6_addr_copy(&mc->mca_addr, addr);
mc->idev = idev;
mc->idev = idev; /* (reference taken) */
mc->mca_users = 1;
/* mca_stamp should be updated upon changes */
mc->mca_cstamp = mc->mca_tstamp = jiffies;
@ -915,16 +911,18 @@ int __ipv6_dev_mc_dec(struct inet6_dev *idev, const struct in6_addr *addr)
int ipv6_dev_mc_dec(struct net_device *dev, const struct in6_addr *addr)
{
struct inet6_dev *idev = in6_dev_get(dev);
struct inet6_dev *idev;
int err;
rcu_read_lock();
idev = __in6_dev_get(dev);
if (!idev)
return -ENODEV;
err = __ipv6_dev_mc_dec(idev, addr);
in6_dev_put(idev);
err = -ENODEV;
else
err = __ipv6_dev_mc_dec(idev, addr);
rcu_read_unlock();
return err;
}
@ -965,7 +963,8 @@ int ipv6_chk_mcast_addr(struct net_device *dev, const struct in6_addr *group,
struct ifmcaddr6 *mc;
int rv = 0;
idev = in6_dev_get(dev);
rcu_read_lock();
idev = __in6_dev_get(dev);
if (idev) {
read_lock_bh(&idev->lock);
for (mc = idev->mc_list; mc; mc=mc->next) {
@ -992,8 +991,8 @@ int ipv6_chk_mcast_addr(struct net_device *dev, const struct in6_addr *group,
rv = 1; /* don't filter unspecified source */
}
read_unlock_bh(&idev->lock);
in6_dev_put(idev);
}
rcu_read_unlock();
return rv;
}
@ -1104,6 +1103,7 @@ static int mld_marksources(struct ifmcaddr6 *pmc, int nsrcs,
return 1;
}
/* called with rcu_read_lock() */
int igmp6_event_query(struct sk_buff *skb)
{
struct mld2_query *mlh2 = NULL;
@ -1127,7 +1127,7 @@ int igmp6_event_query(struct sk_buff *skb)
if (!(ipv6_addr_type(&ipv6_hdr(skb)->saddr) & IPV6_ADDR_LINKLOCAL))
return -EINVAL;
idev = in6_dev_get(skb->dev);
idev = __in6_dev_get(skb->dev);
if (idev == NULL)
return 0;
@ -1137,10 +1137,8 @@ int igmp6_event_query(struct sk_buff *skb)
group_type = ipv6_addr_type(group);
if (group_type != IPV6_ADDR_ANY &&
!(group_type&IPV6_ADDR_MULTICAST)) {
in6_dev_put(idev);
!(group_type&IPV6_ADDR_MULTICAST))
return -EINVAL;
}
if (len == 24) {
int switchback;
@ -1161,10 +1159,9 @@ int igmp6_event_query(struct sk_buff *skb)
} else if (len >= 28) {
int srcs_offset = sizeof(struct mld2_query) -
sizeof(struct icmp6hdr);
if (!pskb_may_pull(skb, srcs_offset)) {
in6_dev_put(idev);
if (!pskb_may_pull(skb, srcs_offset))
return -EINVAL;
}
mlh2 = (struct mld2_query *)skb_transport_header(skb);
max_delay = (MLDV2_MRC(ntohs(mlh2->mld2q_mrc))*HZ)/1000;
if (!max_delay)
@ -1173,28 +1170,23 @@ int igmp6_event_query(struct sk_buff *skb)
if (mlh2->mld2q_qrv)
idev->mc_qrv = mlh2->mld2q_qrv;
if (group_type == IPV6_ADDR_ANY) { /* general query */
if (mlh2->mld2q_nsrcs) {
in6_dev_put(idev);
if (mlh2->mld2q_nsrcs)
return -EINVAL; /* no sources allowed */
}
mld_gq_start_timer(idev);
in6_dev_put(idev);
return 0;
}
/* mark sources to include, if group & source-specific */
if (mlh2->mld2q_nsrcs != 0) {
if (!pskb_may_pull(skb, srcs_offset +
ntohs(mlh2->mld2q_nsrcs) * sizeof(struct in6_addr))) {
in6_dev_put(idev);
ntohs(mlh2->mld2q_nsrcs) * sizeof(struct in6_addr)))
return -EINVAL;
}
mlh2 = (struct mld2_query *)skb_transport_header(skb);
mark = 1;
}
} else {
in6_dev_put(idev);
} else
return -EINVAL;
}
read_lock_bh(&idev->lock);
if (group_type == IPV6_ADDR_ANY) {
@ -1227,12 +1219,11 @@ int igmp6_event_query(struct sk_buff *skb)
}
}
read_unlock_bh(&idev->lock);
in6_dev_put(idev);
return 0;
}
/* called with rcu_read_lock() */
int igmp6_event_report(struct sk_buff *skb)
{
struct ifmcaddr6 *ma;
@ -1260,7 +1251,7 @@ int igmp6_event_report(struct sk_buff *skb)
!(addr_type&IPV6_ADDR_LINKLOCAL))
return -EINVAL;
idev = in6_dev_get(skb->dev);
idev = __in6_dev_get(skb->dev);
if (idev == NULL)
return -ENODEV;
@ -1280,7 +1271,6 @@ int igmp6_event_report(struct sk_buff *skb)
}
}
read_unlock_bh(&idev->lock);
in6_dev_put(idev);
return 0;
}
@ -1356,7 +1346,10 @@ static struct sk_buff *mld_newpack(struct net_device *dev, int size)
IPV6_TLV_PADN, 0 };
/* we assume size > sizeof(ra) here */
skb = sock_alloc_send_skb(sk, size + LL_ALLOCATED_SPACE(dev), 1, &err);
size += LL_ALLOCATED_SPACE(dev);
/* limit our allocations to order-0 page */
size = min_t(int, size, SKB_MAX_ORDER(0, 0));
skb = sock_alloc_send_skb(sk, size, 1, &err);
if (!skb)
return NULL;
@ -1393,12 +1386,14 @@ static void mld_sendpack(struct sk_buff *skb)
struct mld2_report *pmr =
(struct mld2_report *)skb_transport_header(skb);
int payload_len, mldlen;
struct inet6_dev *idev = in6_dev_get(skb->dev);
struct inet6_dev *idev;
struct net *net = dev_net(skb->dev);
int err;
struct flowi fl;
struct dst_entry *dst;
rcu_read_lock();
idev = __in6_dev_get(skb->dev);
IP6_UPD_PO_STATS(net, idev, IPSTATS_MIB_OUT, skb->len);
payload_len = (skb->tail - skb->network_header) - sizeof(*pip6);
@ -1438,8 +1433,7 @@ out:
} else
IP6_INC_STATS_BH(net, idev, IPSTATS_MIB_OUTDISCARDS);
if (likely(idev != NULL))
in6_dev_put(idev);
rcu_read_unlock();
return;
err_out:
@ -1776,7 +1770,8 @@ static void igmp6_send(struct in6_addr *addr, struct net_device *dev, int type)
IPPROTO_ICMPV6,
csum_partial(hdr, len, 0));
idev = in6_dev_get(skb->dev);
rcu_read_lock();
idev = __in6_dev_get(skb->dev);
dst = icmp6_dst_alloc(skb->dev, NULL, &ipv6_hdr(skb)->daddr);
if (!dst) {
@ -1803,8 +1798,7 @@ out:
} else
IP6_INC_STATS(net, idev, IPSTATS_MIB_OUTDISCARDS);
if (likely(idev != NULL))
in6_dev_put(idev);
rcu_read_unlock();
return;
err_out:
@ -1995,8 +1989,7 @@ static int sf_setstate(struct ifmcaddr6 *pmc)
&psf->sf_addr))
break;
if (!dpsf) {
dpsf = (struct ip6_sf_list *)
kmalloc(sizeof(*dpsf), GFP_ATOMIC);
dpsf = kmalloc(sizeof(*dpsf), GFP_ATOMIC);
if (!dpsf)
continue;
*dpsf = *psf;

8
net/ipv6/ndisc.c
View file

@ -1229,7 +1229,7 @@ static void ndisc_router_discovery(struct sk_buff *skb)
ND_PRINTK0(KERN_ERR
"ICMPv6 RA: %s() got default router without neighbour.\n",
__func__);
dst_release(&rt->u.dst);
dst_release(&rt->dst);
in6_dev_put(in6_dev);
return;
}
@ -1244,7 +1244,7 @@ static void ndisc_router_discovery(struct sk_buff *skb)
if (ra_msg->icmph.icmp6_hop_limit) {
in6_dev->cnf.hop_limit = ra_msg->icmph.icmp6_hop_limit;
if (rt)
rt->u.dst.metrics[RTAX_HOPLIMIT-1] = ra_msg->icmph.icmp6_hop_limit;
rt->dst.metrics[RTAX_HOPLIMIT-1] = ra_msg->icmph.icmp6_hop_limit;
}
skip_defrtr:
@ -1363,7 +1363,7 @@ skip_linkparms:
in6_dev->cnf.mtu6 = mtu;
if (rt)
rt->u.dst.metrics[RTAX_MTU-1] = mtu;
rt->dst.metrics[RTAX_MTU-1] = mtu;
rt6_mtu_change(skb->dev, mtu);
}
@ -1384,7 +1384,7 @@ skip_linkparms:
}
out:
if (rt)
dst_release(&rt->u.dst);
dst_release(&rt->dst);
else if (neigh)
neigh_release(neigh);
in6_dev_put(in6_dev);

2
net/ipv6/netfilter/ip6_tables.c
View file

@ -363,7 +363,7 @@ ip6t_do_table(struct sk_buff *skb,
cpu = smp_processor_id();
table_base = private->entries[cpu];
jumpstack = (struct ip6t_entry **)private->jumpstack[cpu];
stackptr = &private->stackptr[cpu];
stackptr = per_cpu_ptr(private->stackptr, cpu);
origptr = *stackptr;
e = get_entry(table_base, private->hook_entry[hook]);

32
net/ipv6/raw.c
View file

@ -602,31 +602,33 @@ out:
}
static int rawv6_send_hdrinc(struct sock *sk, void *from, int length,
struct flowi *fl, struct rt6_info *rt,
struct flowi *fl, struct dst_entry **dstp,
unsigned int flags)
{
struct ipv6_pinfo *np = inet6_sk(sk);
struct ipv6hdr *iph;
struct sk_buff *skb;
int err;
struct rt6_info *rt = (struct rt6_info *)*dstp;
if (length > rt->u.dst.dev->mtu) {
ipv6_local_error(sk, EMSGSIZE, fl, rt->u.dst.dev->mtu);
if (length > rt->dst.dev->mtu) {
ipv6_local_error(sk, EMSGSIZE, fl, rt->dst.dev->mtu);
return -EMSGSIZE;
}
if (flags&MSG_PROBE)
goto out;
skb = sock_alloc_send_skb(sk,
length + LL_ALLOCATED_SPACE(rt->u.dst.dev) + 15,
length + LL_ALLOCATED_SPACE(rt->dst.dev) + 15,
flags & MSG_DONTWAIT, &err);
if (skb == NULL)
goto error;
skb_reserve(skb, LL_RESERVED_SPACE(rt->u.dst.dev));
skb_reserve(skb, LL_RESERVED_SPACE(rt->dst.dev));
skb->priority = sk->sk_priority;
skb->mark = sk->sk_mark;
skb_dst_set(skb, dst_clone(&rt->u.dst));
skb_dst_set(skb, &rt->dst);
*dstp = NULL;
skb_put(skb, length);
skb_reset_network_header(skb);
@ -641,7 +643,7 @@ static int rawv6_send_hdrinc(struct sock *sk, void *from, int length,
IP6_UPD_PO_STATS(sock_net(sk), rt->rt6i_idev, IPSTATS_MIB_OUT, skb->len);
err = NF_HOOK(NFPROTO_IPV6, NF_INET_LOCAL_OUT, skb, NULL,
rt->u.dst.dev, dst_output);
rt->dst.dev, dst_output);
if (err > 0)
err = net_xmit_errno(err);
if (err)
@ -725,7 +727,7 @@ static int rawv6_sendmsg(struct kiocb *iocb, struct sock *sk,
{
struct ipv6_txoptions opt_space;
struct sockaddr_in6 * sin6 = (struct sockaddr_in6 *) msg->msg_name;
struct in6_addr *daddr, *final_p = NULL, final;
struct in6_addr *daddr, *final_p, final;
struct inet_sock *inet = inet_sk(sk);
struct ipv6_pinfo *np = inet6_sk(sk);
struct raw6_sock *rp = raw6_sk(sk);
@ -847,13 +849,7 @@ static int rawv6_sendmsg(struct kiocb *iocb, struct sock *sk,
if (ipv6_addr_any(&fl.fl6_src) && !ipv6_addr_any(&np->saddr))
ipv6_addr_copy(&fl.fl6_src, &np->saddr);
/* merge ip6_build_xmit from ip6_output */
if (opt && opt->srcrt) {
struct rt0_hdr *rt0 = (struct rt0_hdr *) opt->srcrt;
ipv6_addr_copy(&final, &fl.fl6_dst);
ipv6_addr_copy(&fl.fl6_dst, rt0->addr);
final_p = &final;
}
final_p = fl6_update_dst(&fl, opt, &final);
if (!fl.oif && ipv6_addr_is_multicast(&fl.fl6_dst))
fl.oif = np->mcast_oif;
@ -892,9 +888,9 @@ static int rawv6_sendmsg(struct kiocb *iocb, struct sock *sk,
goto do_confirm;
back_from_confirm:
if (inet->hdrincl) {
err = rawv6_send_hdrinc(sk, msg->msg_iov, len, &fl, (struct rt6_info*)dst, msg->msg_flags);
} else {
if (inet->hdrincl)
err = rawv6_send_hdrinc(sk, msg->msg_iov, len, &fl, &dst, msg->msg_flags);
else {
lock_sock(sk);
err = ip6_append_data(sk, ip_generic_getfrag, msg->msg_iov,
len, 0, hlimit, tclass, opt, &fl, (struct rt6_info*)dst,

317
net/ipv6/route.c
View file

@ -126,16 +126,14 @@ static struct dst_ops ip6_dst_blackhole_ops = {
};
static struct rt6_info ip6_null_entry_template = {
.u = {
.dst = {
.__refcnt = ATOMIC_INIT(1),
.__use = 1,
.obsolete = -1,
.error = -ENETUNREACH,
.metrics = { [RTAX_HOPLIMIT - 1] = 255, },
.input = ip6_pkt_discard,
.output = ip6_pkt_discard_out,
}
.dst = {
.__refcnt = ATOMIC_INIT(1),
.__use = 1,
.obsolete = -1,
.error = -ENETUNREACH,
.metrics = { [RTAX_HOPLIMIT - 1] = 255, },
.input = ip6_pkt_discard,
.output = ip6_pkt_discard_out,
},
.rt6i_flags = (RTF_REJECT | RTF_NONEXTHOP),
.rt6i_protocol = RTPROT_KERNEL,
@ -149,16 +147,14 @@ static int ip6_pkt_prohibit(struct sk_buff *skb);
static int ip6_pkt_prohibit_out(struct sk_buff *skb);
static struct rt6_info ip6_prohibit_entry_template = {
.u = {
.dst = {
.__refcnt = ATOMIC_INIT(1),
.__use = 1,
.obsolete = -1,
.error = -EACCES,
.metrics = { [RTAX_HOPLIMIT - 1] = 255, },
.input = ip6_pkt_prohibit,
.output = ip6_pkt_prohibit_out,
}
.dst = {
.__refcnt = ATOMIC_INIT(1),
.__use = 1,
.obsolete = -1,
.error = -EACCES,
.metrics = { [RTAX_HOPLIMIT - 1] = 255, },
.input = ip6_pkt_prohibit,
.output = ip6_pkt_prohibit_out,
},
.rt6i_flags = (RTF_REJECT | RTF_NONEXTHOP),
.rt6i_protocol = RTPROT_KERNEL,
@ -167,16 +163,14 @@ static struct rt6_info ip6_prohibit_entry_template = {
};
static struct rt6_info ip6_blk_hole_entry_template = {
.u = {
.dst = {
.__refcnt = ATOMIC_INIT(1),
.__use = 1,
.obsolete = -1,
.error = -EINVAL,
.metrics = { [RTAX_HOPLIMIT - 1] = 255, },
.input = dst_discard,
.output = dst_discard,
}
.dst = {
.__refcnt = ATOMIC_INIT(1),
.__use = 1,
.obsolete = -1,
.error = -EINVAL,
.metrics = { [RTAX_HOPLIMIT - 1] = 255, },
.input = dst_discard,
.output = dst_discard,
},
.rt6i_flags = (RTF_REJECT | RTF_NONEXTHOP),
.rt6i_protocol = RTPROT_KERNEL,
@ -249,7 +243,7 @@ static inline struct rt6_info *rt6_device_match(struct net *net,
if (!oif && ipv6_addr_any(saddr))
goto out;
for (sprt = rt; sprt; sprt = sprt->u.dst.rt6_next) {
for (sprt = rt; sprt; sprt = sprt->dst.rt6_next) {
struct net_device *dev = sprt->rt6i_dev;
if (oif) {
@ -407,10 +401,10 @@ static struct rt6_info *find_rr_leaf(struct fib6_node *fn,
match = NULL;
for (rt = rr_head; rt && rt->rt6i_metric == metric;
rt = rt->u.dst.rt6_next)
rt = rt->dst.rt6_next)
match = find_match(rt, oif, strict, &mpri, match);
for (rt = fn->leaf; rt && rt != rr_head && rt->rt6i_metric == metric;
rt = rt->u.dst.rt6_next)
rt = rt->dst.rt6_next)
match = find_match(rt, oif, strict, &mpri, match);
return match;
@ -432,7 +426,7 @@ static struct rt6_info *rt6_select(struct fib6_node *fn, int oif, int strict)
if (!match &&
(strict & RT6_LOOKUP_F_REACHABLE)) {
struct rt6_info *next = rt0->u.dst.rt6_next;
struct rt6_info *next = rt0->dst.rt6_next;
/* no entries matched; do round-robin */
if (!next || next->rt6i_metric != rt0->rt6i_metric)
@ -517,7 +511,7 @@ int rt6_route_rcv(struct net_device *dev, u8 *opt, int len,
rt->rt6i_expires = jiffies + HZ * lifetime;
rt->rt6i_flags |= RTF_EXPIRES;
}
dst_release(&rt->u.dst);
dst_release(&rt->dst);
}
return 0;
}
@ -555,7 +549,7 @@ restart:
rt = rt6_device_match(net, rt, &fl->fl6_src, fl->oif, flags);
BACKTRACK(net, &fl->fl6_src);
out:
dst_use(&rt->u.dst, jiffies);
dst_use(&rt->dst, jiffies);
read_unlock_bh(&table->tb6_lock);
return rt;
@ -643,7 +637,7 @@ static struct rt6_info *rt6_alloc_cow(struct rt6_info *ort, struct in6_addr *dad
ipv6_addr_copy(&rt->rt6i_dst.addr, daddr);
rt->rt6i_dst.plen = 128;
rt->rt6i_flags |= RTF_CACHE;
rt->u.dst.flags |= DST_HOST;
rt->dst.flags |= DST_HOST;
#ifdef CONFIG_IPV6_SUBTREES
if (rt->rt6i_src.plen && saddr) {
@ -677,7 +671,7 @@ static struct rt6_info *rt6_alloc_cow(struct rt6_info *ort, struct in6_addr *dad
if (net_ratelimit())
printk(KERN_WARNING
"Neighbour table overflow.\n");
dst_free(&rt->u.dst);
dst_free(&rt->dst);
return NULL;
}
rt->rt6i_nexthop = neigh;
@ -694,7 +688,7 @@ static struct rt6_info *rt6_alloc_clone(struct rt6_info *ort, struct in6_addr *d
ipv6_addr_copy(&rt->rt6i_dst.addr, daddr);
rt->rt6i_dst.plen = 128;
rt->rt6i_flags |= RTF_CACHE;
rt->u.dst.flags |= DST_HOST;
rt->dst.flags |= DST_HOST;
rt->rt6i_nexthop = neigh_clone(ort->rt6i_nexthop);
}
return rt;
@ -726,7 +720,7 @@ restart:
rt->rt6i_flags & RTF_CACHE)
goto out;
dst_hold(&rt->u.dst);
dst_hold(&rt->dst);
read_unlock_bh(&table->tb6_lock);
if (!rt->rt6i_nexthop && !(rt->rt6i_flags & RTF_NONEXTHOP))
@ -739,10 +733,10 @@ restart:
#endif
}
dst_release(&rt->u.dst);
dst_release(&rt->dst);
rt = nrt ? : net->ipv6.ip6_null_entry;
dst_hold(&rt->u.dst);
dst_hold(&rt->dst);
if (nrt) {
err = ip6_ins_rt(nrt);
if (!err)
@ -756,7 +750,7 @@ restart:
* Race condition! In the gap, when table->tb6_lock was
* released someone could insert this route. Relookup.
*/
dst_release(&rt->u.dst);
dst_release(&rt->dst);
goto relookup;
out:
@ -764,11 +758,11 @@ out:
reachable = 0;
goto restart_2;
}
dst_hold(&rt->u.dst);
dst_hold(&rt->dst);
read_unlock_bh(&table->tb6_lock);
out2:
rt->u.dst.lastuse = jiffies;
rt->u.dst.__use++;
rt->dst.lastuse = jiffies;
rt->dst.__use++;
return rt;
}
@ -835,15 +829,15 @@ int ip6_dst_blackhole(struct sock *sk, struct dst_entry **dstp, struct flowi *fl
struct dst_entry *new = NULL;
if (rt) {
new = &rt->u.dst;
new = &rt->dst;
atomic_set(&new->__refcnt, 1);
new->__use = 1;
new->input = dst_discard;
new->output = dst_discard;
memcpy(new->metrics, ort->u.dst.metrics, RTAX_MAX*sizeof(u32));
new->dev = ort->u.dst.dev;
memcpy(new->metrics, ort->dst.metrics, RTAX_MAX*sizeof(u32));
new->dev = ort->dst.dev;
if (new->dev)
dev_hold(new->dev);
rt->rt6i_idev = ort->rt6i_idev;
@ -912,7 +906,7 @@ static void ip6_link_failure(struct sk_buff *skb)
rt = (struct rt6_info *) skb_dst(skb);
if (rt) {
if (rt->rt6i_flags&RTF_CACHE) {
dst_set_expires(&rt->u.dst, 0);
dst_set_expires(&rt->dst, 0);
rt->rt6i_flags |= RTF_EXPIRES;
} else if (rt->rt6i_node && (rt->rt6i_flags & RTF_DEFAULT))
rt->rt6i_node->fn_sernum = -1;
@ -986,14 +980,14 @@ struct dst_entry *icmp6_dst_alloc(struct net_device *dev,
rt->rt6i_dev = dev;
rt->rt6i_idev = idev;
rt->rt6i_nexthop = neigh;
atomic_set(&rt->u.dst.__refcnt, 1);
rt->u.dst.metrics[RTAX_HOPLIMIT-1] = 255;
rt->u.dst.metrics[RTAX_MTU-1] = ipv6_get_mtu(rt->rt6i_dev);
rt->u.dst.metrics[RTAX_ADVMSS-1] = ipv6_advmss(net, dst_mtu(&rt->u.dst));
rt->u.dst.output = ip6_output;
atomic_set(&rt->dst.__refcnt, 1);
rt->dst.metrics[RTAX_HOPLIMIT-1] = 255;
rt->dst.metrics[RTAX_MTU-1] = ipv6_get_mtu(rt->rt6i_dev);
rt->dst.metrics[RTAX_ADVMSS-1] = ipv6_advmss(net, dst_mtu(&rt->dst));
rt->dst.output = ip6_output;
#if 0 /* there's no chance to use these for ndisc */
rt->u.dst.flags = ipv6_addr_type(addr) & IPV6_ADDR_UNICAST
rt->dst.flags = ipv6_addr_type(addr) & IPV6_ADDR_UNICAST
? DST_HOST
: 0;
ipv6_addr_copy(&rt->rt6i_dst.addr, addr);
@ -1001,14 +995,14 @@ struct dst_entry *icmp6_dst_alloc(struct net_device *dev,
#endif
spin_lock_bh(&icmp6_dst_lock);
rt->u.dst.next = icmp6_dst_gc_list;
icmp6_dst_gc_list = &rt->u.dst;
rt->dst.next = icmp6_dst_gc_list;
icmp6_dst_gc_list = &rt->dst;
spin_unlock_bh(&icmp6_dst_lock);
fib6_force_start_gc(net);
out:
return &rt->u.dst;
return &rt->dst;
}
int icmp6_dst_gc(void)
@ -1090,11 +1084,11 @@ static int ipv6_get_mtu(struct net_device *dev)
int mtu = IPV6_MIN_MTU;
struct inet6_dev *idev;
idev = in6_dev_get(dev);
if (idev) {
rcu_read_lock();
idev = __in6_dev_get(dev);
if (idev)
mtu = idev->cnf.mtu6;
in6_dev_put(idev);
}
rcu_read_unlock();
return mtu;
}
@ -1103,12 +1097,15 @@ int ip6_dst_hoplimit(struct dst_entry *dst)
int hoplimit = dst_metric(dst, RTAX_HOPLIMIT);
if (hoplimit < 0) {
struct net_device *dev = dst->dev;
struct inet6_dev *idev = in6_dev_get(dev);
if (idev) {
struct inet6_dev *idev;
rcu_read_lock();
idev = __in6_dev_get(dev);
if (idev)
hoplimit = idev->cnf.hop_limit;
in6_dev_put(idev);
} else
else
hoplimit = dev_net(dev)->ipv6.devconf_all->hop_limit;
rcu_read_unlock();
}
return hoplimit;
}
@ -1159,7 +1156,7 @@ int ip6_route_add(struct fib6_config *cfg)
goto out;
}
rt->u.dst.obsolete = -1;
rt->dst.obsolete = -1;
rt->rt6i_expires = (cfg->fc_flags & RTF_EXPIRES) ?
jiffies + clock_t_to_jiffies(cfg->fc_expires) :
0;
@ -1171,16 +1168,16 @@ int ip6_route_add(struct fib6_config *cfg)
addr_type = ipv6_addr_type(&cfg->fc_dst);
if (addr_type & IPV6_ADDR_MULTICAST)
rt->u.dst.input = ip6_mc_input;
rt->dst.input = ip6_mc_input;
else
rt->u.dst.input = ip6_forward;
rt->dst.input = ip6_forward;
rt->u.dst.output = ip6_output;
rt->dst.output = ip6_output;
ipv6_addr_prefix(&rt->rt6i_dst.addr, &cfg->fc_dst, cfg->fc_dst_len);
rt->rt6i_dst.plen = cfg->fc_dst_len;
if (rt->rt6i_dst.plen == 128)
rt->u.dst.flags = DST_HOST;
rt->dst.flags = DST_HOST;
#ifdef CONFIG_IPV6_SUBTREES
ipv6_addr_prefix(&rt->rt6i_src.addr, &cfg->fc_src, cfg->fc_src_len);
@ -1208,9 +1205,9 @@ int ip6_route_add(struct fib6_config *cfg)
goto out;
}
}
rt->u.dst.output = ip6_pkt_discard_out;
rt->u.dst.input = ip6_pkt_discard;
rt->u.dst.error = -ENETUNREACH;
rt->dst.output = ip6_pkt_discard_out;
rt->dst.input = ip6_pkt_discard;
rt->dst.error = -ENETUNREACH;
rt->rt6i_flags = RTF_REJECT|RTF_NONEXTHOP;
goto install_route;
}
@ -1244,7 +1241,7 @@ int ip6_route_add(struct fib6_config *cfg)
goto out;
if (dev) {
if (dev != grt->rt6i_dev) {
dst_release(&grt->u.dst);
dst_release(&grt->dst);
goto out;
}
} else {
@ -1255,7 +1252,7 @@ int ip6_route_add(struct fib6_config *cfg)
}
if (!(grt->rt6i_flags&RTF_GATEWAY))
err = 0;
dst_release(&grt->u.dst);
dst_release(&grt->dst);
if (err)
goto out;
@ -1294,18 +1291,18 @@ install_route:
goto out;
}
rt->u.dst.metrics[type - 1] = nla_get_u32(nla);
rt->dst.metrics[type - 1] = nla_get_u32(nla);
}
}
}
if (dst_metric(&rt->u.dst, RTAX_HOPLIMIT) == 0)
rt->u.dst.metrics[RTAX_HOPLIMIT-1] = -1;
if (!dst_mtu(&rt->u.dst))
rt->u.dst.metrics[RTAX_MTU-1] = ipv6_get_mtu(dev);
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;
if (dst_metric(&rt->dst, RTAX_HOPLIMIT) == 0)
rt->dst.metrics[RTAX_HOPLIMIT-1] = -1;
if (!dst_mtu(&rt->dst))
rt->dst.metrics[RTAX_MTU-1] = ipv6_get_mtu(dev);
if (!dst_metric(&rt->dst, RTAX_ADVMSS))
rt->dst.metrics[RTAX_ADVMSS-1] = ipv6_advmss(net, dst_mtu(&rt->dst));
rt->dst.dev = dev;
rt->rt6i_idev = idev;
rt->rt6i_table = table;
@ -1319,7 +1316,7 @@ out:
if (idev)
in6_dev_put(idev);
if (rt)
dst_free(&rt->u.dst);
dst_free(&rt->dst);
return err;
}
@ -1336,7 +1333,7 @@ static int __ip6_del_rt(struct rt6_info *rt, struct nl_info *info)
write_lock_bh(&table->tb6_lock);
err = fib6_del(rt, info);
dst_release(&rt->u.dst);
dst_release(&rt->dst);
write_unlock_bh(&table->tb6_lock);
@ -1369,7 +1366,7 @@ static int ip6_route_del(struct fib6_config *cfg)
&cfg->fc_src, cfg->fc_src_len);
if (fn) {
for (rt = fn->leaf; rt; rt = rt->u.dst.rt6_next) {
for (rt = fn->leaf; rt; rt = rt->dst.rt6_next) {
if (cfg->fc_ifindex &&
(rt->rt6i_dev == NULL ||
rt->rt6i_dev->ifindex != cfg->fc_ifindex))
@ -1379,7 +1376,7 @@ static int ip6_route_del(struct fib6_config *cfg)
continue;
if (cfg->fc_metric && cfg->fc_metric != rt->rt6i_metric)
continue;
dst_hold(&rt->u.dst);
dst_hold(&rt->dst);
read_unlock_bh(&table->tb6_lock);
return __ip6_del_rt(rt, &cfg->fc_nlinfo);
@ -1421,7 +1418,7 @@ static struct rt6_info *__ip6_route_redirect(struct net *net,
read_lock_bh(&table->tb6_lock);
fn = fib6_lookup(&table->tb6_root, &fl->fl6_dst, &fl->fl6_src);
restart:
for (rt = fn->leaf; rt; rt = rt->u.dst.rt6_next) {
for (rt = fn->leaf; rt; rt = rt->dst.rt6_next) {
/*
* Current route is on-link; redirect is always invalid.
*
@ -1445,7 +1442,7 @@ restart:
rt = net->ipv6.ip6_null_entry;
BACKTRACK(net, &fl->fl6_src);
out:
dst_hold(&rt->u.dst);
dst_hold(&rt->dst);
read_unlock_bh(&table->tb6_lock);
@ -1513,10 +1510,10 @@ void rt6_redirect(struct in6_addr *dest, struct in6_addr *src,
* Look, redirects are sent only in response to data packets,
* so that this nexthop apparently is reachable. --ANK
*/
dst_confirm(&rt->u.dst);
dst_confirm(&rt->dst);
/* Duplicate redirect: silently ignore. */
if (neigh == rt->u.dst.neighbour)
if (neigh == rt->dst.neighbour)
goto out;
nrt = ip6_rt_copy(rt);
@ -1529,20 +1526,20 @@ void rt6_redirect(struct in6_addr *dest, struct in6_addr *src,
ipv6_addr_copy(&nrt->rt6i_dst.addr, dest);
nrt->rt6i_dst.plen = 128;
nrt->u.dst.flags |= DST_HOST;
nrt->dst.flags |= DST_HOST;
ipv6_addr_copy(&nrt->rt6i_gateway, (struct in6_addr*)neigh->primary_key);
nrt->rt6i_nexthop = neigh_clone(neigh);
/* Reset pmtu, it may be better */
nrt->u.dst.metrics[RTAX_MTU-1] = ipv6_get_mtu(neigh->dev);
nrt->u.dst.metrics[RTAX_ADVMSS-1] = ipv6_advmss(dev_net(neigh->dev),
dst_mtu(&nrt->u.dst));
nrt->dst.metrics[RTAX_MTU-1] = ipv6_get_mtu(neigh->dev);
nrt->dst.metrics[RTAX_ADVMSS-1] = ipv6_advmss(dev_net(neigh->dev),
dst_mtu(&nrt->dst));
if (ip6_ins_rt(nrt))
goto out;
netevent.old = &rt->u.dst;
netevent.new = &nrt->u.dst;
netevent.old = &rt->dst;
netevent.new = &nrt->dst;
call_netevent_notifiers(NETEVENT_REDIRECT, &netevent);
if (rt->rt6i_flags&RTF_CACHE) {
@ -1551,7 +1548,7 @@ void rt6_redirect(struct in6_addr *dest, struct in6_addr *src,
}
out:
dst_release(&rt->u.dst);
dst_release(&rt->dst);
}
/*
@ -1570,7 +1567,7 @@ void rt6_pmtu_discovery(struct in6_addr *daddr, struct in6_addr *saddr,
if (rt == NULL)
return;
if (pmtu >= dst_mtu(&rt->u.dst))
if (pmtu >= dst_mtu(&rt->dst))
goto out;
if (pmtu < IPV6_MIN_MTU) {
@ -1588,7 +1585,7 @@ void rt6_pmtu_discovery(struct in6_addr *daddr, struct in6_addr *saddr,
They are sent only in response to data packets,
so that this nexthop apparently is reachable. --ANK
*/
dst_confirm(&rt->u.dst);
dst_confirm(&rt->dst);
/* Host route. If it is static, it would be better
not to override it, but add new one, so that
@ -1596,10 +1593,10 @@ void rt6_pmtu_discovery(struct in6_addr *daddr, struct in6_addr *saddr,
would return automatically.
*/
if (rt->rt6i_flags & RTF_CACHE) {
rt->u.dst.metrics[RTAX_MTU-1] = pmtu;
rt->dst.metrics[RTAX_MTU-1] = pmtu;
if (allfrag)
rt->u.dst.metrics[RTAX_FEATURES-1] |= RTAX_FEATURE_ALLFRAG;
dst_set_expires(&rt->u.dst, net->ipv6.sysctl.ip6_rt_mtu_expires);
rt->dst.metrics[RTAX_FEATURES-1] |= RTAX_FEATURE_ALLFRAG;
dst_set_expires(&rt->dst, net->ipv6.sysctl.ip6_rt_mtu_expires);
rt->rt6i_flags |= RTF_MODIFIED|RTF_EXPIRES;
goto out;
}
@ -1615,9 +1612,9 @@ void rt6_pmtu_discovery(struct in6_addr *daddr, struct in6_addr *saddr,
nrt = rt6_alloc_clone(rt, daddr);
if (nrt) {
nrt->u.dst.metrics[RTAX_MTU-1] = pmtu;
nrt->dst.metrics[RTAX_MTU-1] = pmtu;
if (allfrag)
nrt->u.dst.metrics[RTAX_FEATURES-1] |= RTAX_FEATURE_ALLFRAG;
nrt->dst.metrics[RTAX_FEATURES-1] |= RTAX_FEATURE_ALLFRAG;
/* According to RFC 1981, detecting PMTU increase shouldn't be
* happened within 5 mins, the recommended timer is 10 mins.
@ -1625,13 +1622,13 @@ void rt6_pmtu_discovery(struct in6_addr *daddr, struct in6_addr *saddr,
* which is 10 mins. After 10 mins the decreased pmtu is expired
* and detecting PMTU increase will be automatically happened.
*/
dst_set_expires(&nrt->u.dst, net->ipv6.sysctl.ip6_rt_mtu_expires);
dst_set_expires(&nrt->dst, net->ipv6.sysctl.ip6_rt_mtu_expires);
nrt->rt6i_flags |= RTF_DYNAMIC|RTF_EXPIRES;
ip6_ins_rt(nrt);
}
out:
dst_release(&rt->u.dst);
dst_release(&rt->dst);
}
/*
@ -1644,18 +1641,18 @@ static struct rt6_info * ip6_rt_copy(struct rt6_info *ort)
struct rt6_info *rt = ip6_dst_alloc(&net->ipv6.ip6_dst_ops);
if (rt) {
rt->u.dst.input = ort->u.dst.input;
rt->u.dst.output = ort->u.dst.output;
rt->dst.input = ort->dst.input;
rt->dst.output = ort->dst.output;
memcpy(rt->u.dst.metrics, ort->u.dst.metrics, RTAX_MAX*sizeof(u32));
rt->u.dst.error = ort->u.dst.error;
rt->u.dst.dev = ort->u.dst.dev;
if (rt->u.dst.dev)
dev_hold(rt->u.dst.dev);
memcpy(rt->dst.metrics, ort->dst.metrics, RTAX_MAX*sizeof(u32));
rt->dst.error = ort->dst.error;
rt->dst.dev = ort->dst.dev;
if (rt->dst.dev)
dev_hold(rt->dst.dev);
rt->rt6i_idev = ort->rt6i_idev;
if (rt->rt6i_idev)
in6_dev_hold(rt->rt6i_idev);
rt->u.dst.lastuse = jiffies;
rt->dst.lastuse = jiffies;
rt->rt6i_expires = 0;
ipv6_addr_copy(&rt->rt6i_gateway, &ort->rt6i_gateway);
@ -1689,14 +1686,14 @@ static struct rt6_info *rt6_get_route_info(struct net *net,
if (!fn)
goto out;
for (rt = fn->leaf; rt; rt = rt->u.dst.rt6_next) {
for (rt = fn->leaf; rt; rt = rt->dst.rt6_next) {
if (rt->rt6i_dev->ifindex != ifindex)
continue;
if ((rt->rt6i_flags & (RTF_ROUTEINFO|RTF_GATEWAY)) != (RTF_ROUTEINFO|RTF_GATEWAY))
continue;
if (!ipv6_addr_equal(&rt->rt6i_gateway, gwaddr))
continue;
dst_hold(&rt->u.dst);
dst_hold(&rt->dst);
break;
}
out:
@ -1744,14 +1741,14 @@ struct rt6_info *rt6_get_dflt_router(struct in6_addr *addr, struct net_device *d
return NULL;
write_lock_bh(&table->tb6_lock);
for (rt = table->tb6_root.leaf; rt; rt=rt->u.dst.rt6_next) {
for (rt = table->tb6_root.leaf; rt; rt=rt->dst.rt6_next) {
if (dev == rt->rt6i_dev &&
((rt->rt6i_flags & (RTF_ADDRCONF | RTF_DEFAULT)) == (RTF_ADDRCONF | RTF_DEFAULT)) &&
ipv6_addr_equal(&rt->rt6i_gateway, addr))
break;
}
if (rt)
dst_hold(&rt->u.dst);
dst_hold(&rt->dst);
write_unlock_bh(&table->tb6_lock);
return rt;
}
@ -1790,9 +1787,9 @@ void rt6_purge_dflt_routers(struct net *net)
restart:
read_lock_bh(&table->tb6_lock);
for (rt = table->tb6_root.leaf; rt; rt = rt->u.dst.rt6_next) {
for (rt = table->tb6_root.leaf; rt; rt = rt->dst.rt6_next) {
if (rt->rt6i_flags & (RTF_DEFAULT | RTF_ADDRCONF)) {
dst_hold(&rt->u.dst);
dst_hold(&rt->dst);
read_unlock_bh(&table->tb6_lock);
ip6_del_rt(rt);
goto restart;
@ -1930,15 +1927,15 @@ struct rt6_info *addrconf_dst_alloc(struct inet6_dev *idev,
dev_hold(net->loopback_dev);
in6_dev_hold(idev);
rt->u.dst.flags = DST_HOST;
rt->u.dst.input = ip6_input;
rt->u.dst.output = ip6_output;
rt->dst.flags = DST_HOST;
rt->dst.input = ip6_input;
rt->dst.output = ip6_output;
rt->rt6i_dev = net->loopback_dev;
rt->rt6i_idev = idev;
rt->u.dst.metrics[RTAX_MTU-1] = ipv6_get_mtu(rt->rt6i_dev);
rt->u.dst.metrics[RTAX_ADVMSS-1] = ipv6_advmss(net, dst_mtu(&rt->u.dst));
rt->u.dst.metrics[RTAX_HOPLIMIT-1] = -1;
rt->u.dst.obsolete = -1;
rt->dst.metrics[RTAX_MTU-1] = ipv6_get_mtu(rt->rt6i_dev);
rt->dst.metrics[RTAX_ADVMSS-1] = ipv6_advmss(net, dst_mtu(&rt->dst));
rt->dst.metrics[RTAX_HOPLIMIT-1] = -1;
rt->dst.obsolete = -1;
rt->rt6i_flags = RTF_UP | RTF_NONEXTHOP;
if (anycast)
@ -1947,7 +1944,7 @@ struct rt6_info *addrconf_dst_alloc(struct inet6_dev *idev,
rt->rt6i_flags |= RTF_LOCAL;
neigh = ndisc_get_neigh(rt->rt6i_dev, &rt->rt6i_gateway);
if (IS_ERR(neigh)) {
dst_free(&rt->u.dst);
dst_free(&rt->dst);
/* We are casting this because that is the return
* value type. But an errno encoded pointer is the
@ -1962,7 +1959,7 @@ struct rt6_info *addrconf_dst_alloc(struct inet6_dev *idev,
rt->rt6i_dst.plen = 128;
rt->rt6i_table = fib6_get_table(net, RT6_TABLE_LOCAL);
atomic_set(&rt->u.dst.__refcnt, 1);
atomic_set(&rt->dst.__refcnt, 1);
return rt;
}
@ -2033,12 +2030,12 @@ static int rt6_mtu_change_route(struct rt6_info *rt, void *p_arg)
PMTU discouvery.
*/
if (rt->rt6i_dev == arg->dev &&
!dst_metric_locked(&rt->u.dst, RTAX_MTU) &&
(dst_mtu(&rt->u.dst) >= arg->mtu ||
(dst_mtu(&rt->u.dst) < arg->mtu &&
dst_mtu(&rt->u.dst) == idev->cnf.mtu6))) {
rt->u.dst.metrics[RTAX_MTU-1] = arg->mtu;
rt->u.dst.metrics[RTAX_ADVMSS-1] = ipv6_advmss(net, arg->mtu);
!dst_metric_locked(&rt->dst, RTAX_MTU) &&
(dst_mtu(&rt->dst) >= arg->mtu ||
(dst_mtu(&rt->dst) < arg->mtu &&
dst_mtu(&rt->dst) == idev->cnf.mtu6))) {
rt->dst.metrics[RTAX_MTU-1] = arg->mtu;
rt->dst.metrics[RTAX_ADVMSS-1] = ipv6_advmss(net, arg->mtu);
}
return 0;
}
@ -2252,20 +2249,20 @@ static int rt6_fill_node(struct net *net,
#endif
NLA_PUT_U32(skb, RTA_IIF, iif);
} else if (dst) {
struct inet6_dev *idev = ip6_dst_idev(&rt->u.dst);
struct inet6_dev *idev = ip6_dst_idev(&rt->dst);
struct in6_addr saddr_buf;
if (ipv6_dev_get_saddr(net, idev ? idev->dev : NULL,
dst, 0, &saddr_buf) == 0)
NLA_PUT(skb, RTA_PREFSRC, 16, &saddr_buf);
}
if (rtnetlink_put_metrics(skb, rt->u.dst.metrics) < 0)
if (rtnetlink_put_metrics(skb, rt->dst.metrics) < 0)
goto nla_put_failure;
if (rt->u.dst.neighbour)
NLA_PUT(skb, RTA_GATEWAY, 16, &rt->u.dst.neighbour->primary_key);
if (rt->dst.neighbour)
NLA_PUT(skb, RTA_GATEWAY, 16, &rt->dst.neighbour->primary_key);
if (rt->u.dst.dev)
if (rt->dst.dev)
NLA_PUT_U32(skb, RTA_OIF, rt->rt6i_dev->ifindex);
NLA_PUT_U32(skb, RTA_PRIORITY, rt->rt6i_metric);
@ -2277,8 +2274,8 @@ static int rt6_fill_node(struct net *net,
else
expires = INT_MAX;
if (rtnl_put_cacheinfo(skb, &rt->u.dst, 0, 0, 0,
expires, rt->u.dst.error) < 0)
if (rtnl_put_cacheinfo(skb, &rt->dst, 0, 0, 0,
expires, rt->dst.error) < 0)
goto nla_put_failure;
return nlmsg_end(skb, nlh);
@ -2364,7 +2361,7 @@ static int inet6_rtm_getroute(struct sk_buff *in_skb, struct nlmsghdr* nlh, void
skb_reserve(skb, MAX_HEADER + sizeof(struct ipv6hdr));
rt = (struct rt6_info*) ip6_route_output(net, NULL, &fl);
skb_dst_set(skb, &rt->u.dst);
skb_dst_set(skb, &rt->dst);
err = rt6_fill_node(net, skb, rt, &fl.fl6_dst, &fl.fl6_src, iif,
RTM_NEWROUTE, NETLINK_CB(in_skb).pid,
@ -2416,12 +2413,12 @@ static int ip6_route_dev_notify(struct notifier_block *this,
struct net *net = dev_net(dev);
if (event == NETDEV_REGISTER && (dev->flags & IFF_LOOPBACK)) {
net->ipv6.ip6_null_entry->u.dst.dev = dev;
net->ipv6.ip6_null_entry->dst.dev = dev;
net->ipv6.ip6_null_entry->rt6i_idev = in6_dev_get(dev);
#ifdef CONFIG_IPV6_MULTIPLE_TABLES
net->ipv6.ip6_prohibit_entry->u.dst.dev = dev;
net->ipv6.ip6_prohibit_entry->dst.dev = dev;
net->ipv6.ip6_prohibit_entry->rt6i_idev = in6_dev_get(dev);
net->ipv6.ip6_blk_hole_entry->u.dst.dev = dev;
net->ipv6.ip6_blk_hole_entry->dst.dev = dev;
net->ipv6.ip6_blk_hole_entry->rt6i_idev = in6_dev_get(dev);
#endif
}
@ -2464,8 +2461,8 @@ static int rt6_info_route(struct rt6_info *rt, void *p_arg)
seq_puts(m, "00000000000000000000000000000000");
}
seq_printf(m, " %08x %08x %08x %08x %8s\n",
rt->rt6i_metric, atomic_read(&rt->u.dst.__refcnt),
rt->u.dst.__use, rt->rt6i_flags,
rt->rt6i_metric, atomic_read(&rt->dst.__refcnt),
rt->dst.__use, rt->rt6i_flags,
rt->rt6i_dev ? rt->rt6i_dev->name : "");
return 0;
}
@ -2646,9 +2643,9 @@ static int __net_init ip6_route_net_init(struct net *net)
GFP_KERNEL);
if (!net->ipv6.ip6_null_entry)
goto out_ip6_dst_ops;
net->ipv6.ip6_null_entry->u.dst.path =
net->ipv6.ip6_null_entry->dst.path =
(struct dst_entry *)net->ipv6.ip6_null_entry;
net->ipv6.ip6_null_entry->u.dst.ops = &net->ipv6.ip6_dst_ops;
net->ipv6.ip6_null_entry->dst.ops = &net->ipv6.ip6_dst_ops;
#ifdef CONFIG_IPV6_MULTIPLE_TABLES
net->ipv6.ip6_prohibit_entry = kmemdup(&ip6_prohibit_entry_template,
@ -2656,18 +2653,18 @@ static int __net_init ip6_route_net_init(struct net *net)
GFP_KERNEL);
if (!net->ipv6.ip6_prohibit_entry)
goto out_ip6_null_entry;
net->ipv6.ip6_prohibit_entry->u.dst.path =
net->ipv6.ip6_prohibit_entry->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_prohibit_entry->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)
goto out_ip6_prohibit_entry;
net->ipv6.ip6_blk_hole_entry->u.dst.path =
net->ipv6.ip6_blk_hole_entry->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;
net->ipv6.ip6_blk_hole_entry->dst.ops = &net->ipv6.ip6_dst_ops;
#endif
net->ipv6.sysctl.flush_delay = 0;
@ -2742,12 +2739,12 @@ int __init ip6_route_init(void)
/* 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 */
init_net.ipv6.ip6_null_entry->u.dst.dev = init_net.loopback_dev;
init_net.ipv6.ip6_null_entry->dst.dev = init_net.loopback_dev;
init_net.ipv6.ip6_null_entry->rt6i_idev = in6_dev_get(init_net.loopback_dev);
#ifdef CONFIG_IPV6_MULTIPLE_TABLES
init_net.ipv6.ip6_prohibit_entry->u.dst.dev = init_net.loopback_dev;
init_net.ipv6.ip6_prohibit_entry->dst.dev = init_net.loopback_dev;
init_net.ipv6.ip6_prohibit_entry->rt6i_idev = in6_dev_get(init_net.loopback_dev);
init_net.ipv6.ip6_blk_hole_entry->u.dst.dev = init_net.loopback_dev;
init_net.ipv6.ip6_blk_hole_entry->dst.dev = init_net.loopback_dev;
init_net.ipv6.ip6_blk_hole_entry->rt6i_idev = in6_dev_get(init_net.loopback_dev);
#endif
ret = fib6_init();

16
net/ipv6/sit.c
View file

@ -249,8 +249,6 @@ failed:
return NULL;
}
static DEFINE_SPINLOCK(ipip6_prl_lock);
#define for_each_prl_rcu(start) \
for (prl = rcu_dereference(start); \
prl; \
@ -340,7 +338,7 @@ ipip6_tunnel_add_prl(struct ip_tunnel *t, struct ip_tunnel_prl *a, int chg)
if (a->addr == htonl(INADDR_ANY))
return -EINVAL;
spin_lock(&ipip6_prl_lock);
ASSERT_RTNL();
for (p = t->prl; p; p = p->next) {
if (p->addr == a->addr) {
@ -370,7 +368,6 @@ ipip6_tunnel_add_prl(struct ip_tunnel *t, struct ip_tunnel_prl *a, int chg)
t->prl_count++;
rcu_assign_pointer(t->prl, p);
out:
spin_unlock(&ipip6_prl_lock);
return err;
}
@ -397,7 +394,7 @@ ipip6_tunnel_del_prl(struct ip_tunnel *t, struct ip_tunnel_prl *a)
struct ip_tunnel_prl_entry *x, **p;
int err = 0;
spin_lock(&ipip6_prl_lock);
ASSERT_RTNL();
if (a && a->addr != htonl(INADDR_ANY)) {
for (p = &t->prl; *p; p = &(*p)->next) {
@ -419,7 +416,6 @@ ipip6_tunnel_del_prl(struct ip_tunnel *t, struct ip_tunnel_prl *a)
}
}
out:
spin_unlock(&ipip6_prl_lock);
return err;
}
@ -716,7 +712,7 @@ static netdev_tx_t ipip6_tunnel_xmit(struct sk_buff *skb,
stats->tx_carrier_errors++;
goto tx_error_icmp;
}
tdev = rt->u.dst.dev;
tdev = rt->dst.dev;
if (tdev == dev) {
ip_rt_put(rt);
@ -725,7 +721,7 @@ static netdev_tx_t ipip6_tunnel_xmit(struct sk_buff *skb,
}
if (df) {
mtu = dst_mtu(&rt->u.dst) - sizeof(struct iphdr);
mtu = dst_mtu(&rt->dst) - sizeof(struct iphdr);
if (mtu < 68) {
stats->collisions++;
@ -784,7 +780,7 @@ static netdev_tx_t ipip6_tunnel_xmit(struct sk_buff *skb,
memset(&(IPCB(skb)->opt), 0, sizeof(IPCB(skb)->opt));
IPCB(skb)->flags = 0;
skb_dst_drop(skb);
skb_dst_set(skb, &rt->u.dst);
skb_dst_set(skb, &rt->dst);
/*
* Push down and install the IPIP header.
@ -833,7 +829,7 @@ static void ipip6_tunnel_bind_dev(struct net_device *dev)
.proto = IPPROTO_IPV6 };
struct rtable *rt;
if (!ip_route_output_key(dev_net(dev), &rt, &fl)) {
tdev = rt->u.dst.dev;
tdev = rt->dst.dev;
ip_rt_put(rt);
}
dev->flags |= IFF_POINTOPOINT;

50
net/ipv6/syncookies.c
View file

@ -27,28 +27,17 @@ extern __u32 syncookie_secret[2][16-4+SHA_DIGEST_WORDS];
#define COOKIEBITS 24 /* Upper bits store count */
#define COOKIEMASK (((__u32)1 << COOKIEBITS) - 1)
/*
* This table has to be sorted and terminated with (__u16)-1.
* XXX generate a better table.
* Unresolved Issues: HIPPI with a 64k MSS is not well supported.
*
* Taken directly from ipv4 implementation.
* Should this list be modified for ipv6 use or is it close enough?
* rfc 2460 8.3 suggests mss values 20 bytes less than ipv4 counterpart
*/
/* Table must be sorted. */
static __u16 const msstab[] = {
64 - 1,
256 - 1,
512 - 1,
536 - 1,
1024 - 1,
1440 - 1,
1460 - 1,
4312 - 1,
(__u16)-1
64,
512,
536,
1280 - 60,
1480 - 60,
1500 - 60,
4460 - 60,
9000 - 60,
};
/* The number doesn't include the -1 terminator */
#define NUM_MSS (ARRAY_SIZE(msstab) - 1)
/*
* This (misnamed) value is the age of syncookie which is permitted.
@ -134,9 +123,11 @@ __u32 cookie_v6_init_sequence(struct sock *sk, struct sk_buff *skb, __u16 *mssp)
tcp_synq_overflow(sk);
for (mssind = 0; mss > msstab[mssind + 1]; mssind++)
;
*mssp = msstab[mssind] + 1;
for (mssind = ARRAY_SIZE(msstab) - 1; mssind ; mssind--)
if (mss >= msstab[mssind])
break;
*mssp = msstab[mssind];
NET_INC_STATS_BH(sock_net(sk), LINUX_MIB_SYNCOOKIESSENT);
@ -154,7 +145,7 @@ static inline int cookie_check(struct sk_buff *skb, __u32 cookie)
th->source, th->dest, seq,
jiffies / (HZ * 60), COUNTER_TRIES);
return mssind < NUM_MSS ? msstab[mssind] + 1 : 0;
return mssind < ARRAY_SIZE(msstab) ? msstab[mssind] : 0;
}
struct sock *cookie_v6_check(struct sock *sk, struct sk_buff *skb)
@ -174,7 +165,7 @@ struct sock *cookie_v6_check(struct sock *sk, struct sk_buff *skb)
struct dst_entry *dst;
__u8 rcv_wscale;
if (!sysctl_tcp_syncookies || !th->ack)
if (!sysctl_tcp_syncookies || !th->ack || th->rst)
goto out;
if (tcp_synq_no_recent_overflow(sk) ||
@ -240,17 +231,12 @@ struct sock *cookie_v6_check(struct sock *sk, struct sk_buff *skb)
* me if there is a preferred way.
*/
{
struct in6_addr *final_p = NULL, final;
struct in6_addr *final_p, final;
struct flowi fl;
memset(&fl, 0, sizeof(fl));
fl.proto = IPPROTO_TCP;
ipv6_addr_copy(&fl.fl6_dst, &ireq6->rmt_addr);
if (np->opt && np->opt->srcrt) {
struct rt0_hdr *rt0 = (struct rt0_hdr *) np->opt->srcrt;
ipv6_addr_copy(&final, &fl.fl6_dst);
ipv6_addr_copy(&fl.fl6_dst, rt0->addr);
final_p = &final;
}
final_p = fl6_update_dst(&fl, np->opt, &final);
ipv6_addr_copy(&fl.fl6_src, &ireq6->loc_addr);
fl.oif = sk->sk_bound_dev_if;
fl.mark = sk->sk_mark;

29
net/ipv6/tcp_ipv6.c
View file

@ -129,7 +129,7 @@ static int tcp_v6_connect(struct sock *sk, struct sockaddr *uaddr,
struct inet_connection_sock *icsk = inet_csk(sk);
struct ipv6_pinfo *np = inet6_sk(sk);
struct tcp_sock *tp = tcp_sk(sk);
struct in6_addr *saddr = NULL, *final_p = NULL, final;
struct in6_addr *saddr = NULL, *final_p, final;
struct flowi fl;
struct dst_entry *dst;
int addr_type;
@ -250,12 +250,7 @@ static int tcp_v6_connect(struct sock *sk, struct sockaddr *uaddr,
fl.fl_ip_dport = usin->sin6_port;
fl.fl_ip_sport = inet->inet_sport;
if (np->opt && np->opt->srcrt) {
struct rt0_hdr *rt0 = (struct rt0_hdr *)np->opt->srcrt;
ipv6_addr_copy(&final, &fl.fl6_dst);
ipv6_addr_copy(&fl.fl6_dst, rt0->addr);
final_p = &final;
}
final_p = fl6_update_dst(&fl, np->opt, &final);
security_sk_classify_flow(sk, &fl);
@ -477,7 +472,7 @@ static int tcp_v6_send_synack(struct sock *sk, struct request_sock *req,
struct ipv6_pinfo *np = inet6_sk(sk);
struct sk_buff * skb;
struct ipv6_txoptions *opt = NULL;
struct in6_addr * final_p = NULL, final;
struct in6_addr * final_p, final;
struct flowi fl;
struct dst_entry *dst;
int err = -1;
@ -494,12 +489,7 @@ static int tcp_v6_send_synack(struct sock *sk, struct request_sock *req,
security_req_classify_flow(req, &fl);
opt = np->opt;
if (opt && opt->srcrt) {
struct rt0_hdr *rt0 = (struct rt0_hdr *) opt->srcrt;
ipv6_addr_copy(&final, &fl.fl6_dst);
ipv6_addr_copy(&fl.fl6_dst, rt0->addr);
final_p = &final;
}
final_p = fl6_update_dst(&fl, opt, &final);
err = ip6_dst_lookup(sk, &dst, &fl);
if (err)
@ -1167,7 +1157,7 @@ static struct sock *tcp_v6_hnd_req(struct sock *sk,struct sk_buff *skb)
}
#ifdef CONFIG_SYN_COOKIES
if (!th->rst && !th->syn && th->ack)
if (!th->syn)
sk = cookie_v6_check(sk, skb);
#endif
return sk;
@ -1392,18 +1382,13 @@ static struct sock * tcp_v6_syn_recv_sock(struct sock *sk, struct sk_buff *skb,
goto out_overflow;
if (dst == NULL) {
struct in6_addr *final_p = NULL, final;
struct in6_addr *final_p, final;
struct flowi fl;
memset(&fl, 0, sizeof(fl));
fl.proto = IPPROTO_TCP;
ipv6_addr_copy(&fl.fl6_dst, &treq->rmt_addr);
if (opt && opt->srcrt) {
struct rt0_hdr *rt0 = (struct rt0_hdr *) opt->srcrt;
ipv6_addr_copy(&final, &fl.fl6_dst);
ipv6_addr_copy(&fl.fl6_dst, rt0->addr);
final_p = &final;
}
final_p = fl6_update_dst(&fl, opt, &final);
ipv6_addr_copy(&fl.fl6_src, &treq->loc_addr);
fl.oif = sk->sk_bound_dev_if;
fl.mark = sk->sk_mark;

17
net/ipv6/udp.c
View file

@ -466,11 +466,9 @@ void __udp6_lib_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
if (sk->sk_state != TCP_ESTABLISHED && !np->recverr)
goto out;
if (np->recverr) {
bh_lock_sock(sk);
if (np->recverr)
ipv6_icmp_error(sk, skb, err, uh->dest, ntohl(info), (u8 *)(uh+1));
bh_unlock_sock(sk);
}
sk->sk_err = err;
sk->sk_error_report(sk);
out:
@ -929,7 +927,7 @@ int udpv6_sendmsg(struct kiocb *iocb, struct sock *sk,
struct inet_sock *inet = inet_sk(sk);
struct ipv6_pinfo *np = inet6_sk(sk);
struct sockaddr_in6 *sin6 = (struct sockaddr_in6 *) msg->msg_name;
struct in6_addr *daddr, *final_p = NULL, final;
struct in6_addr *daddr, *final_p, final;
struct ipv6_txoptions *opt = NULL;
struct ip6_flowlabel *flowlabel = NULL;
struct flowi fl;
@ -1099,14 +1097,9 @@ do_udp_sendmsg:
ipv6_addr_copy(&fl.fl6_src, &np->saddr);
fl.fl_ip_sport = inet->inet_sport;
/* merge ip6_build_xmit from ip6_output */
if (opt && opt->srcrt) {
struct rt0_hdr *rt0 = (struct rt0_hdr *) opt->srcrt;
ipv6_addr_copy(&final, &fl.fl6_dst);
ipv6_addr_copy(&fl.fl6_dst, rt0->addr);
final_p = &final;
final_p = fl6_update_dst(&fl, opt, &final);
if (final_p)
connected = 0;
}
if (!fl.oif && ipv6_addr_is_multicast(&fl.fl6_dst)) {
fl.oif = np->mcast_oif;