* Linux INET6 implementation
*
* Authors:
- * Pedro Roque <roque@di.fc.ul.pt>
+ * Pedro Roque <roque@di.fc.ul.pt>
* Alexey Kuznetsov <kuznet@ms2.inr.ac.ru>
*
* $Id: addrconf.c,v 1.69 2001/10/31 21:55:54 davem Exp $
#ifdef CONFIG_IPV6_PRIVACY
static int __ipv6_regen_rndid(struct inet6_dev *idev);
-static int __ipv6_try_regen_rndid(struct inet6_dev *idev, struct in6_addr *tmpaddr);
+static int __ipv6_try_regen_rndid(struct inet6_dev *idev, struct in6_addr *tmpaddr);
static void ipv6_regen_rndid(unsigned long data);
static int desync_factor = MAX_DESYNC_FACTOR * HZ;
static void __ipv6_ifa_notify(int event, struct inet6_ifaddr *ifa);
static void ipv6_ifa_notify(int event, struct inet6_ifaddr *ifa);
-static void inet6_prefix_notify(int event, struct inet6_dev *idev,
+static void inet6_prefix_notify(int event, struct inet6_dev *idev,
struct prefix_info *pinfo);
static int ipv6_chk_same_addr(const struct in6_addr *addr, struct net_device *dev);
*/
if ((st & htonl(0xE0000000)) != htonl(0x00000000) &&
(st & htonl(0xE0000000)) != htonl(0xE0000000))
- return (IPV6_ADDR_UNICAST |
+ return (IPV6_ADDR_UNICAST |
IPV6_ADDR_SCOPE_TYPE(IPV6_ADDR_SCOPE_GLOBAL));
if ((st & htonl(0xFF000000)) == htonl(0xFF000000)) {
}
if ((st & htonl(0xFFC00000)) == htonl(0xFE800000))
- return (IPV6_ADDR_LINKLOCAL | IPV6_ADDR_UNICAST |
+ return (IPV6_ADDR_LINKLOCAL | IPV6_ADDR_UNICAST |
IPV6_ADDR_SCOPE_TYPE(IPV6_ADDR_SCOPE_LINKLOCAL)); /* addr-select 3.1 */
if ((st & htonl(0xFFC00000)) == htonl(0xFEC00000))
return (IPV6_ADDR_SITELOCAL | IPV6_ADDR_UNICAST |
}
if (addr->s6_addr32[2] == htonl(0x0000ffff))
- return (IPV6_ADDR_MAPPED |
+ return (IPV6_ADDR_MAPPED |
IPV6_ADDR_SCOPE_TYPE(IPV6_ADDR_SCOPE_GLOBAL)); /* addr-select 3.3 */
}
- return (IPV6_ADDR_RESERVED |
+ return (IPV6_ADDR_RESERVED |
IPV6_ADDR_SCOPE_TYPE(IPV6_ADDR_SCOPE_GLOBAL)); /* addr-select 3.4 */
}
if (dev->mtu < IPV6_MIN_MTU)
return NULL;
- ndev = kzalloc(sizeof(struct inet6_dev), GFP_KERNEL);
+ ndev = kzalloc(sizeof(struct inet6_dev), GFP_KERNEL);
- if (ndev == NULL)
- return NULL;
+ if (ndev == NULL)
+ return NULL;
rwlock_init(&ndev->lock);
ndev->dev = dev;
dev = idev->dev;
if (dev && (dev->flags & IFF_MULTICAST)) {
ipv6_addr_all_routers(&addr);
-
+
if (idev->cnf.forwarding)
ipv6_dev_mc_inc(dev, &addr);
else
tmp_valid_lft = min_t(__u32,
ifp->valid_lft,
idev->cnf.temp_valid_lft);
- tmp_prefered_lft = min_t(__u32,
- ifp->prefered_lft,
+ tmp_prefered_lft = min_t(__u32,
+ ifp->prefered_lft,
idev->cnf.temp_prefered_lft - desync_factor / HZ);
tmp_plen = ifp->prefix_len;
max_addresses = idev->cnf.max_addresses;
write_unlock(&idev->lock);
ift = !max_addresses ||
- ipv6_count_addresses(idev) < max_addresses ?
+ ipv6_count_addresses(idev) < max_addresses ?
ipv6_add_addr(idev, &addr, tmp_plen,
ipv6_addr_type(&addr)&IPV6_ADDR_SCOPE_MASK, IFA_F_TEMPORARY) : NULL;
if (!ift || IS_ERR(ift)) {
if (!ifa_result)
return -EADDRNOTAVAIL;
-
+
ipv6_addr_copy(saddr, &ifa_result->addr);
in6_ifa_put(ifa_result);
return 0;
* - value 0
* - XXX: already assigned to an address on the device
*/
- if (idev->rndid[0] == 0xfd &&
+ if (idev->rndid[0] == 0xfd &&
(idev->rndid[1]&idev->rndid[2]&idev->rndid[3]&idev->rndid[4]&idev->rndid[5]&idev->rndid[6]) == 0xff &&
(idev->rndid[7]&0x80))
goto regen;
if (__ipv6_regen_rndid(idev) < 0)
goto out;
-
+
expires = jiffies +
- idev->cnf.temp_prefered_lft * HZ -
+ idev->cnf.temp_prefered_lft * HZ -
idev->cnf.regen_max_retry * idev->cnf.dad_transmits * idev->nd_parms->retrans_time - desync_factor;
if (time_before(expires, jiffies)) {
printk(KERN_WARNING
struct inet6_dev *in6_dev;
pinfo = (struct prefix_info *) opt;
-
+
if (len < sizeof(struct prefix_info)) {
ADBG(("addrconf: prefix option too short\n"));
return;
}
-
+
/*
* Validation checks ([ADDRCONF], page 19)
*/
* When a new public address is created as described in [ADDRCONF],
* also create a new temporary address.
*/
- read_unlock_bh(&in6_dev->lock);
+ read_unlock_bh(&in6_dev->lock);
ipv6_create_tempaddr(ifp, NULL);
} else {
read_unlock_bh(&in6_dev->lock);
int scope;
ASSERT_RTNL();
-
+
/* check the lifetime */
if (!valid_lft || prefered_lft > valid_lft)
return -EINVAL;
if ((dev = __dev_get_by_index(ifindex)) == NULL)
return -ENODEV;
-
+
if ((idev = addrconf_add_dev(dev)) == NULL)
return -ENOBUFS;
struct inet6_ifaddr *ifp;
struct inet6_dev *idev;
struct net_device *dev;
-
+
if ((dev = __dev_get_by_index(ifindex)) == NULL)
return -ENODEV;
ipv6_addr_equal(pfx, &ifp->addr)) {
in6_ifa_hold(ifp);
read_unlock_bh(&idev->lock);
-
+
ipv6_del_addr(ifp);
/* If the last address is deleted administratively,
{
struct in6_ifreq ireq;
int err;
-
+
if (!capable(CAP_NET_ADMIN))
return -EPERM;
-
+
if (copy_from_user(&ireq, arg, sizeof(struct in6_ifreq)))
return -EFAULT;
{
struct in6_ifreq ireq;
int err;
-
+
if (!capable(CAP_NET_ADMIN))
return -EPERM;
return;
}
- for (dev = dev_base; dev != NULL; dev = dev->next) {
+ for (dev = dev_base; dev != NULL; dev = dev->next) {
struct in_device * in_dev = __in_dev_get_rtnl(dev);
if (in_dev && (dev->flags & IFF_UP)) {
struct in_ifaddr * ifa;
}
}
}
- }
+ }
}
#endif
ASSERT_RTNL();
- if ((dev->type != ARPHRD_ETHER) &&
+ if ((dev->type != ARPHRD_ETHER) &&
(dev->type != ARPHRD_FDDI) &&
(dev->type != ARPHRD_IEEE802_TR) &&
(dev->type != ARPHRD_ARCNET) &&
ASSERT_RTNL();
- /*
- * Configure the tunnel with one of our IPv4
- * addresses... we should configure all of
+ /*
+ * Configure the tunnel with one of our IPv4
+ * addresses... we should configure all of
* our v4 addrs in the tunnel
*/
ip6_tnl_add_linklocal(idev);
}
-static int addrconf_notify(struct notifier_block *this, unsigned long event,
+static int addrconf_notify(struct notifier_block *this, unsigned long event,
void * data)
{
struct net_device *dev = (struct net_device *) data;
return -ENODEV;
/* Step 1: remove reference to ipv6 device from parent device.
- Do not dev_put!
+ Do not dev_put!
*/
if (how == 1) {
idev->dead = 1;
/* Step 5: netlink notification of this interface */
idev->tstamp = jiffies;
inet6_ifinfo_notify(RTM_DELLINK, idev);
-
+
/* Shot the device (if unregistered) */
if (how == 1) {
age = (now - ifp->tstamp) / HZ;
#ifdef CONFIG_IPV6_PRIVACY
- regen_advance = ifp->idev->cnf.regen_max_retry *
- ifp->idev->cnf.dad_transmits *
+ regen_advance = ifp->idev->cnf.regen_max_retry *
+ ifp->idev->cnf.dad_transmits *
ifp->idev->nd_parms->retrans_time / HZ;
#endif
s_idx = cb->args[0];
s_ip_idx = ip_idx = cb->args[1];
read_lock(&dev_base_lock);
-
+
for (dev = dev_base, idx = 0; dev; dev = dev->next, idx++) {
if (idx < s_idx)
continue;
ifa = ifa->if_next, ip_idx++) {
if (ip_idx < s_ip_idx)
continue;
- if ((err = inet6_fill_ifaddr(skb, ifa,
- NETLINK_CB(cb->skb).pid,
+ if ((err = inet6_fill_ifaddr(skb, ifa,
+ NETLINK_CB(cb->skb).pid,
cb->nlh->nlmsg_seq, RTM_NEWADDR,
NLM_F_MULTI)) <= 0)
goto done;
break;
case MULTICAST_ADDR:
/* multicast address */
- for (ifmca = idev->mc_list; ifmca;
+ for (ifmca = idev->mc_list; ifmca;
ifmca = ifmca->next, ip_idx++) {
if (ip_idx < s_ip_idx)
continue;
- if ((err = inet6_fill_ifmcaddr(skb, ifmca,
- NETLINK_CB(cb->skb).pid,
+ if ((err = inet6_fill_ifmcaddr(skb, ifmca,
+ NETLINK_CB(cb->skb).pid,
cb->nlh->nlmsg_seq, RTM_GETMULTICAST,
NLM_F_MULTI)) <= 0)
goto done;
ifaca = ifaca->aca_next, ip_idx++) {
if (ip_idx < s_ip_idx)
continue;
- if ((err = inet6_fill_ifacaddr(skb, ifaca,
- NETLINK_CB(cb->skb).pid,
+ if ((err = inet6_fill_ifacaddr(skb, ifaca,
+ NETLINK_CB(cb->skb).pid,
cb->nlh->nlmsg_seq, RTM_GETANYCAST,
- NLM_F_MULTI)) <= 0)
+ NLM_F_MULTI)) <= 0)
goto done;
}
break;
);
}
-static int inet6_fill_ifinfo(struct sk_buff *skb, struct inet6_dev *idev,
+static int inet6_fill_ifinfo(struct sk_buff *skb, struct inet6_dev *idev,
u32 pid, u32 seq, int event, unsigned int flags)
{
struct net_device *dev = idev->dev;
continue;
if ((idev = in6_dev_get(dev)) == NULL)
continue;
- err = inet6_fill_ifinfo(skb, idev, NETLINK_CB(cb->skb).pid,
+ err = inet6_fill_ifinfo(skb, idev, NETLINK_CB(cb->skb).pid,
cb->nlh->nlmsg_seq, RTM_NEWLINK, NLM_F_MULTI);
in6_dev_put(idev);
if (err <= 0)
{
struct sk_buff *skb;
int err = -ENOBUFS;
-
+
skb = nlmsg_new(inet6_if_nlmsg_size(), GFP_ATOMIC);
if (skb == NULL)
goto errout;
return -EMSGSIZE;
}
-static void inet6_prefix_notify(int event, struct inet6_dev *idev,
+static void inet6_prefix_notify(int event, struct inet6_dev *idev,
struct prefix_info *pinfo)
{
struct sk_buff *skb;
rt6_purge_dflt_routers();
}
- return ret;
+ return ret;
}
-static int addrconf_sysctl_forward_strategy(ctl_table *table,
+static int addrconf_sysctl_forward_strategy(ctl_table *table,
int __user *name, int nlen,
void __user *oldval,
size_t __user *oldlenp,
} addrconf_sysctl __read_mostly = {
.sysctl_header = NULL,
.addrconf_vars = {
- {
+ {
.ctl_name = NET_IPV6_FORWARDING,
.procname = "forwarding",
- .data = &ipv6_devconf.forwarding,
+ .data = &ipv6_devconf.forwarding,
.maxlen = sizeof(int),
.mode = 0644,
- .proc_handler = &addrconf_sysctl_forward,
+ .proc_handler = &addrconf_sysctl_forward,
.strategy = &addrconf_sysctl_forward_strategy,
},
{
.ctl_name = NET_IPV6_HOP_LIMIT,
.procname = "hop_limit",
- .data = &ipv6_devconf.hop_limit,
+ .data = &ipv6_devconf.hop_limit,
.maxlen = sizeof(int),
.mode = 0644,
.proc_handler = proc_dointvec,
.ctl_name = NET_IPV6_MTU,
.procname = "mtu",
.data = &ipv6_devconf.mtu6,
- .maxlen = sizeof(int),
+ .maxlen = sizeof(int),
.mode = 0644,
- .proc_handler = &proc_dointvec,
+ .proc_handler = &proc_dointvec,
},
{
.ctl_name = NET_IPV6_ACCEPT_RA,
.procname = "accept_ra",
- .data = &ipv6_devconf.accept_ra,
+ .data = &ipv6_devconf.accept_ra,
.maxlen = sizeof(int),
.mode = 0644,
- .proc_handler = &proc_dointvec,
+ .proc_handler = &proc_dointvec,
},
{
.ctl_name = NET_IPV6_ACCEPT_REDIRECTS,
.procname = "accept_redirects",
- .data = &ipv6_devconf.accept_redirects,
+ .data = &ipv6_devconf.accept_redirects,
.maxlen = sizeof(int),
.mode = 0644,
- .proc_handler = &proc_dointvec,
+ .proc_handler = &proc_dointvec,
},
{
.ctl_name = NET_IPV6_AUTOCONF,
.procname = "autoconf",
- .data = &ipv6_devconf.autoconf,
+ .data = &ipv6_devconf.autoconf,
.maxlen = sizeof(int),
.mode = 0644,
- .proc_handler = &proc_dointvec,
+ .proc_handler = &proc_dointvec,
},
{
.ctl_name = NET_IPV6_DAD_TRANSMITS,
.procname = "dad_transmits",
- .data = &ipv6_devconf.dad_transmits,
+ .data = &ipv6_devconf.dad_transmits,
.maxlen = sizeof(int),
.mode = 0644,
- .proc_handler = &proc_dointvec,
+ .proc_handler = &proc_dointvec,
},
{
.ctl_name = NET_IPV6_RTR_SOLICITS,
.procname = "router_solicitations",
- .data = &ipv6_devconf.rtr_solicits,
+ .data = &ipv6_devconf.rtr_solicits,
.maxlen = sizeof(int),
.mode = 0644,
- .proc_handler = &proc_dointvec,
+ .proc_handler = &proc_dointvec,
},
{
.ctl_name = NET_IPV6_RTR_SOLICIT_INTERVAL,
.procname = "router_solicitation_interval",
- .data = &ipv6_devconf.rtr_solicit_interval,
+ .data = &ipv6_devconf.rtr_solicit_interval,
.maxlen = sizeof(int),
.mode = 0644,
- .proc_handler = &proc_dointvec_jiffies,
+ .proc_handler = &proc_dointvec_jiffies,
.strategy = &sysctl_jiffies,
},
{
.ctl_name = NET_IPV6_RTR_SOLICIT_DELAY,
.procname = "router_solicitation_delay",
- .data = &ipv6_devconf.rtr_solicit_delay,
+ .data = &ipv6_devconf.rtr_solicit_delay,
.maxlen = sizeof(int),
.mode = 0644,
- .proc_handler = &proc_dointvec_jiffies,
+ .proc_handler = &proc_dointvec_jiffies,
.strategy = &sysctl_jiffies,
},
{
.ctl_name = NET_IPV6_FORCE_MLD_VERSION,
.procname = "force_mld_version",
- .data = &ipv6_devconf.force_mld_version,
+ .data = &ipv6_devconf.force_mld_version,
.maxlen = sizeof(int),
.mode = 0644,
- .proc_handler = &proc_dointvec,
+ .proc_handler = &proc_dointvec,
},
#ifdef CONFIG_IPV6_PRIVACY
{
.ctl_name = NET_IPV6_USE_TEMPADDR,
.procname = "use_tempaddr",
- .data = &ipv6_devconf.use_tempaddr,
+ .data = &ipv6_devconf.use_tempaddr,
.maxlen = sizeof(int),
.mode = 0644,
- .proc_handler = &proc_dointvec,
+ .proc_handler = &proc_dointvec,
},
{
.ctl_name = NET_IPV6_TEMP_VALID_LFT,
.procname = "temp_valid_lft",
- .data = &ipv6_devconf.temp_valid_lft,
+ .data = &ipv6_devconf.temp_valid_lft,
.maxlen = sizeof(int),
.mode = 0644,
- .proc_handler = &proc_dointvec,
+ .proc_handler = &proc_dointvec,
},
{
.ctl_name = NET_IPV6_TEMP_PREFERED_LFT,
.procname = "temp_prefered_lft",
- .data = &ipv6_devconf.temp_prefered_lft,
+ .data = &ipv6_devconf.temp_prefered_lft,
.maxlen = sizeof(int),
.mode = 0644,
- .proc_handler = &proc_dointvec,
+ .proc_handler = &proc_dointvec,
},
{
.ctl_name = NET_IPV6_REGEN_MAX_RETRY,
.procname = "regen_max_retry",
- .data = &ipv6_devconf.regen_max_retry,
+ .data = &ipv6_devconf.regen_max_retry,
.maxlen = sizeof(int),
.mode = 0644,
- .proc_handler = &proc_dointvec,
+ .proc_handler = &proc_dointvec,
},
{
.ctl_name = NET_IPV6_MAX_DESYNC_FACTOR,
.procname = "max_desync_factor",
- .data = &ipv6_devconf.max_desync_factor,
+ .data = &ipv6_devconf.max_desync_factor,
.maxlen = sizeof(int),
.mode = 0644,
- .proc_handler = &proc_dointvec,
+ .proc_handler = &proc_dointvec,
},
#endif
{
{
.ctl_name = NET_IPV6_ACCEPT_RA_DEFRTR,
.procname = "accept_ra_defrtr",
- .data = &ipv6_devconf.accept_ra_defrtr,
+ .data = &ipv6_devconf.accept_ra_defrtr,
.maxlen = sizeof(int),
.mode = 0644,
- .proc_handler = &proc_dointvec,
+ .proc_handler = &proc_dointvec,
},
{
.ctl_name = NET_IPV6_ACCEPT_RA_PINFO,
.procname = "accept_ra_pinfo",
- .data = &ipv6_devconf.accept_ra_pinfo,
+ .data = &ipv6_devconf.accept_ra_pinfo,
.maxlen = sizeof(int),
.mode = 0644,
- .proc_handler = &proc_dointvec,
+ .proc_handler = &proc_dointvec,
},
#ifdef CONFIG_IPV6_ROUTER_PREF
{
t->addrconf_vars[i].extra1 = idev; /* embedded; no ref */
}
if (dev) {
- dev_name = dev->name;
+ dev_name = dev->name;
t->addrconf_dev[0].ctl_name = dev->ifindex;
} else {
dev_name = "default";
t->addrconf_dev[0].ctl_name = NET_PROTO_CONF_DEFAULT;
}
- /*
- * Make a copy of dev_name, because '.procname' is regarded as const
+ /*
+ * Make a copy of dev_name, because '.procname' is regarded as const
* by sysctl and we wouldn't want anyone to change it under our feet
* (see SIOCSIFNAME).
- */
+ */
dev_name = kstrdup(dev_name, GFP_KERNEL);
if (!dev_name)
goto free;
int register_inet6addr_notifier(struct notifier_block *nb)
{
- return atomic_notifier_chain_register(&inet6addr_chain, nb);
+ return atomic_notifier_chain_register(&inet6addr_chain, nb);
}
int unregister_inet6addr_notifier(struct notifier_block *nb)
{
- return atomic_notifier_chain_unregister(&inet6addr_chain,nb);
+ return atomic_notifier_chain_unregister(&inet6addr_chain,nb);
}
/*
void __exit addrconf_cleanup(void)
{
- struct net_device *dev;
- struct inet6_dev *idev;
- struct inet6_ifaddr *ifa;
+ struct net_device *dev;
+ struct inet6_dev *idev;
+ struct inet6_ifaddr *ifa;
int i;
unregister_netdevice_notifier(&ipv6_dev_notf);
/*
* PF_INET6 socket protocol family
- * Linux INET6 implementation
+ * Linux INET6 implementation
*
* Authors:
- * Pedro Roque <roque@di.fc.ul.pt>
+ * Pedro Roque <roque@di.fc.ul.pt>
*
* Adapted from linux/net/ipv4/af_inet.c
*
np->mc_loop = 1;
np->pmtudisc = IPV6_PMTUDISC_WANT;
np->ipv6only = sysctl_ipv6_bindv6only;
-
+
/* Init the ipv4 part of the socket since we can have sockets
* using v6 API for ipv4.
*/
inet->pmtudisc = IP_PMTUDISC_DONT;
else
inet->pmtudisc = IP_PMTUDISC_WANT;
- /*
+ /*
* Increment only the relevant sk_prot->socks debug field, this changes
* the previous behaviour of incrementing both the equivalent to
* answer->prot->socks (inet6_sock_nr) and inet_sock_nr.
*/
sk->sk_bound_dev_if = addr->sin6_scope_id;
}
-
+
/* Binding to link-local address requires an interface */
if (!sk->sk_bound_dev_if) {
err = -EINVAL;
inet->saddr = v4addr;
ipv6_addr_copy(&np->rcv_saddr, &addr->sin6_addr);
-
+
if (!(addr_type & IPV6_ADDR_MULTICAST))
ipv6_addr_copy(&np->saddr, &addr->sin6_addr);
/*
* This does both peername and sockname.
*/
-
+
int inet6_getname(struct socket *sock, struct sockaddr *uaddr,
int *uaddr_len, int peer)
{
struct sock *sk = sock->sk;
struct inet_sock *inet = inet_sk(sk);
struct ipv6_pinfo *np = inet6_sk(sk);
-
+
sin->sin6_family = AF_INET6;
sin->sin6_flowinfo = 0;
sin->sin6_scope_id = 0;
{
struct sock *sk = sock->sk;
- switch(cmd)
+ switch(cmd)
{
case SIOCGSTAMP:
return sock_get_timestamp(sk, (struct timeval __user *)arg);
case SIOCADDRT:
case SIOCDELRT:
-
+
return(ipv6_route_ioctl(cmd,(void __user *)arg));
case SIOCSIFADDR:
/* Add the new entry after the last permanent entry if any, so that
* the new entry does not override a permanent entry when matched with
* a wild-card protocol. But it is allowed to override any existing
- * non-permanent entry. This means that when we remove this entry, the
+ * non-permanent entry. This means that when we remove this entry, the
* system automatically returns to the old behavior.
*/
list_add_rcu(&p->list, last_perm);
snmp6_mib_free((void **)ipv6_statistics);
err_ip_mib:
return -ENOMEM;
-
+
}
static void cleanup_ipv6_mibs(void)
static int __init inet6_init(void)
{
struct sk_buff *dummy_skb;
- struct list_head *r;
+ struct list_head *r;
int err;
BUILD_BUG_ON(sizeof(struct inet6_skb_parm) > sizeof(dummy_skb->cb));
err = init_ipv6_mibs();
if (err)
goto out_unregister_sock;
-
+
/*
* ipngwg API draft makes clear that the correct semantics
* for TCP and UDP is to consider one TCP and UDP instance
#ifdef CONFIG_PROC_FS
if6_proc_exit();
ac6_proc_exit();
- ipv6_misc_proc_exit();
- udp6_proc_exit();
- udplite6_proc_exit();
- tcp6_proc_exit();
- raw6_proc_exit();
+ ipv6_misc_proc_exit();
+ udp6_proc_exit();
+ udplite6_proc_exit();
+ tcp6_proc_exit();
+ raw6_proc_exit();
#endif
#ifdef CONFIG_IPV6_MIP6
mip6_fini();
ndisc_cleanup();
icmpv6_cleanup();
#ifdef CONFIG_SYSCTL
- ipv6_sysctl_unregister();
+ ipv6_sysctl_unregister();
#endif
cleanup_ipv6_mibs();
proto_unregister(&rawv6_prot);
/*
* Copyright (C)2002 USAGI/WIDE Project
- *
+ *
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
- *
+ *
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
- *
+ *
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Authors
*
- * Mitsuru KANDA @USAGI : IPv6 Support
+ * Mitsuru KANDA @USAGI : IPv6 Support
* Kazunori MIYAZAWA @USAGI :
* Kunihiro Ishiguro <kunihiro@ipinfusion.com>
- *
+ *
* This file is derived from net/ipv4/ah.c.
*/
optlen = 1;
break;
default:
- if (len < 2)
+ if (len < 2)
goto bad;
optlen = opt[off+1]+2;
if (len < optlen)
segments_left = rthdr->segments_left;
if (segments_left == 0)
return;
- rthdr->segments_left = 0;
+ rthdr->segments_left = 0;
/* The value of rthdr->hdrlen has been verified either by the system
* call if it is locally generated, or by ipv6_rthdr_rcv() for incoming
top_iph->hop_limit = 0;
ahp = x->data;
- ah->hdrlen = (XFRM_ALIGN8(sizeof(struct ipv6_auth_hdr) +
+ ah->hdrlen = (XFRM_ALIGN8(sizeof(struct ipv6_auth_hdr) +
ahp->icv_trunc_len) >> 2) - 2;
ah->reserved = 0;
* Moving the pointer of skb->nh.raw by using skb_pull as long as AH
* header length. Then copy back the copy as long as hdr_len
* If destination header following AH exists, copy it into after [Ext2].
- *
+ *
* |<>|[IPv6][Ext1][Ext2][Dest][Payload]
* There is offset of AH before IPv6 header after the process.
*/
nexthdr = ah->nexthdr;
ah_hlen = (ah->hdrlen + 2) << 2;
- if (ah_hlen != XFRM_ALIGN8(sizeof(struct ipv6_auth_hdr) + ahp->icv_full_len) &&
- ah_hlen != XFRM_ALIGN8(sizeof(struct ipv6_auth_hdr) + ahp->icv_trunc_len))
- goto out;
+ if (ah_hlen != XFRM_ALIGN8(sizeof(struct ipv6_auth_hdr) + ahp->icv_full_len) &&
+ ah_hlen != XFRM_ALIGN8(sizeof(struct ipv6_auth_hdr) + ahp->icv_trunc_len))
+ goto out;
if (!pskb_may_pull(skb, ah_hlen))
goto out;
skb->nh.ipv6h->flow_lbl[2] = 0;
skb->nh.ipv6h->hop_limit = 0;
- {
+ {
u8 auth_data[MAX_AH_AUTH_LEN];
memcpy(auth_data, ah->auth_data, ahp->icv_trunc_len);
return err;
}
-static void ah6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
- int type, int code, int offset, __be32 info)
+static void ah6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
+ int type, int code, int offset, __be32 info)
{
struct ipv6hdr *iph = (struct ipv6hdr*)skb->data;
struct ip_auth_hdr *ah = (struct ip_auth_hdr*)(skb->data+offset);
ahp->tfm = tfm;
if (crypto_hash_setkey(tfm, ahp->key, ahp->key_len))
goto error;
-
+
/*
* Lookup the algorithm description maintained by xfrm_algo,
* verify crypto transform properties, and store information
aalg_desc->uinfo.auth.icv_fullbits/8);
goto error;
}
-
+
ahp->icv_full_len = aalg_desc->uinfo.auth.icv_fullbits/8;
ahp->icv_trunc_len = aalg_desc->uinfo.auth.icv_truncbits/8;
-
+
BUG_ON(ahp->icv_trunc_len > MAX_AH_AUTH_LEN);
-
+
ahp->work_icv = kmalloc(ahp->icv_full_len, GFP_KERNEL);
if (!ahp->work_icv)
goto error;
-
+
x->props.header_len = XFRM_ALIGN8(sizeof(struct ipv6_auth_hdr) + ahp->icv_trunc_len);
if (x->props.mode == XFRM_MODE_TUNNEL)
x->props.header_len += sizeof(struct ipv6hdr);
/*
* Anycast support for IPv6
- * Linux INET6 implementation
+ * Linux INET6 implementation
*
* Authors:
* David L Stevens (dlstevens@us.ibm.com)
in6_dev_put(idev);
return ret;
}
-
+
/*
* check if the interface has this anycast address
*/
/*
* common UDP/RAW code
- * Linux INET6 implementation
+ * Linux INET6 implementation
*
* Authors:
- * Pedro Roque <roque@di.fc.ul.pt>
+ * Pedro Roque <roque@di.fc.ul.pt>
*
* $Id: datagram.c,v 1.24 2002/02/01 22:01:04 davem Exp $
*
}
if (addr_len < SIN6_LEN_RFC2133)
- return -EINVAL;
+ return -EINVAL;
- if (usin->sin6_family != AF_INET6)
- return -EAFNOSUPPORT;
+ if (usin->sin6_family != AF_INET6)
+ return -EAFNOSUPPORT;
memset(&fl, 0, sizeof(fl));
if (np->sndflow) {
sin.sin_addr.s_addr = daddr->s6_addr32[3];
sin.sin_port = usin->sin6_port;
- err = ip4_datagram_connect(sk,
- (struct sockaddr*) &sin,
+ err = ip4_datagram_connect(sk,
+ (struct sockaddr*) &sin,
sizeof(sin));
ipv4_connected:
if (err)
goto out;
-
+
ipv6_addr_set(&np->daddr, 0, 0, htonl(0x0000ffff), inet->daddr);
if (ipv6_addr_any(&np->saddr)) {
return err;
}
-void ipv6_icmp_error(struct sock *sk, struct sk_buff *skb, int err,
+void ipv6_icmp_error(struct sock *sk, struct sk_buff *skb, int err,
__be16 port, u32 info, u8 *payload)
{
struct ipv6_pinfo *np = inet6_sk(sk);
serr = SKB_EXT_ERR(skb);
serr->ee.ee_errno = err;
serr->ee.ee_origin = SO_EE_ORIGIN_ICMP6;
- serr->ee.ee_type = icmph->icmp6_type;
+ serr->ee.ee_type = icmph->icmp6_type;
serr->ee.ee_code = icmph->icmp6_code;
serr->ee.ee_pad = 0;
serr->ee.ee_info = info;
serr = SKB_EXT_ERR(skb);
serr->ee.ee_errno = err;
serr->ee.ee_origin = SO_EE_ORIGIN_LOCAL;
- serr->ee.ee_type = 0;
+ serr->ee.ee_type = 0;
serr->ee.ee_code = 0;
serr->ee.ee_pad = 0;
serr->ee.ee_info = info;
kfree_skb(skb);
}
-/*
+/*
* Handle MSG_ERRQUEUE
*/
int ipv6_recv_error(struct sock *sk, struct msghdr *msg, int len)
if (sin) {
sin->sin6_family = AF_INET6;
sin->sin6_flowinfo = 0;
- sin->sin6_port = serr->port;
+ sin->sin6_port = serr->port;
sin->sin6_scope_id = 0;
if (serr->ee.ee_origin == SO_EE_ORIGIN_ICMP6) {
ipv6_addr_copy(&sin->sin6_addr,
spin_unlock_bh(&sk->sk_error_queue.lock);
}
-out_free_skb:
+out_free_skb:
kfree_skb(skb);
out:
return err;
* report extension headers (except for HbH)
* in order.
*
- * Also note that IPV6_RECVRTHDRDSTOPTS is NOT
+ * Also note that IPV6_RECVRTHDRDSTOPTS is NOT
* (and WILL NOT be) defined because
* IPV6_RECVDSTOPTS is more generic. --yoshfuji
*/
continue;
switch (cmsg->cmsg_type) {
- case IPV6_PKTINFO:
- case IPV6_2292PKTINFO:
- if (cmsg->cmsg_len < CMSG_LEN(sizeof(struct in6_pktinfo))) {
+ case IPV6_PKTINFO:
+ case IPV6_2292PKTINFO:
+ if (cmsg->cmsg_len < CMSG_LEN(sizeof(struct in6_pktinfo))) {
err = -EINVAL;
goto exit_f;
}
src_info = (struct in6_pktinfo *)CMSG_DATA(cmsg);
-
+
if (src_info->ipi6_ifindex) {
if (fl->oif && src_info->ipi6_ifindex != fl->oif)
return -EINVAL;
if (addr_type == IPV6_ADDR_ANY)
break;
-
+
if (addr_type & IPV6_ADDR_LINKLOCAL) {
if (!src_info->ipi6_ifindex)
return -EINVAL;
break;
case IPV6_FLOWINFO:
- if (cmsg->cmsg_len < CMSG_LEN(4)) {
+ if (cmsg->cmsg_len < CMSG_LEN(4)) {
err = -EINVAL;
goto exit_f;
}
case IPV6_2292HOPOPTS:
case IPV6_HOPOPTS:
- if (opt->hopopt || cmsg->cmsg_len < CMSG_LEN(sizeof(struct ipv6_opt_hdr))) {
+ if (opt->hopopt || cmsg->cmsg_len < CMSG_LEN(sizeof(struct ipv6_opt_hdr))) {
err = -EINVAL;
goto exit_f;
}
break;
case IPV6_2292DSTOPTS:
- if (cmsg->cmsg_len < CMSG_LEN(sizeof(struct ipv6_opt_hdr))) {
+ if (cmsg->cmsg_len < CMSG_LEN(sizeof(struct ipv6_opt_hdr))) {
err = -EINVAL;
goto exit_f;
}
case IPV6_2292RTHDR:
case IPV6_RTHDR:
- if (cmsg->cmsg_len < CMSG_LEN(sizeof(struct ipv6_rt_hdr))) {
+ if (cmsg->cmsg_len < CMSG_LEN(sizeof(struct ipv6_rt_hdr))) {
err = -EINVAL;
goto exit_f;
}
len = ((rthdr->hdrlen + 1) << 3);
- if (cmsg->cmsg_len < CMSG_LEN(len)) {
+ if (cmsg->cmsg_len < CMSG_LEN(len)) {
err = -EINVAL;
goto exit_f;
}
}
default:
LIMIT_NETDEBUG(KERN_DEBUG "invalid cmsg type: %d\n",
- cmsg->cmsg_type);
+ cmsg->cmsg_type);
err = -EINVAL;
break;
};
/*
* Copyright (C)2002 USAGI/WIDE Project
- *
+ *
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
- *
+ *
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
- *
+ *
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Authors
*
- * Mitsuru KANDA @USAGI : IPv6 Support
+ * Mitsuru KANDA @USAGI : IPv6 Support
* Kazunori MIYAZAWA @USAGI :
* Kunihiro Ishiguro <kunihiro@ipinfusion.com>
- *
+ *
* This file is derived from net/ipv4/esp.c
*/
}
/* If integrity check is required, do this. */
- if (esp->auth.icv_full_len) {
+ if (esp->auth.icv_full_len) {
u8 sum[alen];
ret = esp_mac_digest(esp, skb, 0, skb->len - alen);
if (esp->conf.ivlen)
crypto_blkcipher_set_iv(tfm, esph->enc_data, esp->conf.ivlen);
- {
+ {
u8 nexthdr[2];
struct scatterlist *sg = &esp->sgbuf[0];
u8 padlen;
ret = -EINVAL;
goto out;
}
- /* ... check padding bits here. Silly. :-) */
+ /* ... check padding bits here. Silly. :-) */
pskb_trim(skb, skb->len - alen - padlen - 2);
ret = nexthdr[1];
}
static void esp6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
- int type, int code, int offset, __be32 info)
+ int type, int code, int offset, __be32 info)
{
struct ipv6hdr *iph = (struct ipv6hdr*)skb->data;
struct ipv6_esp_hdr *esph = (struct ipv6_esp_hdr*)(skb->data+offset);
struct xfrm_state *x;
- if (type != ICMPV6_DEST_UNREACH &&
+ if (type != ICMPV6_DEST_UNREACH &&
type != ICMPV6_PKT_TOOBIG)
return;
x = xfrm_state_lookup((xfrm_address_t *)&iph->daddr, esph->spi, IPPROTO_ESP, AF_INET6);
if (!x)
return;
- printk(KERN_DEBUG "pmtu discovery on SA ESP/%08x/" NIP6_FMT "\n",
+ printk(KERN_DEBUG "pmtu discovery on SA ESP/%08x/" NIP6_FMT "\n",
ntohl(esph->spi), NIP6(iph->daddr));
xfrm_state_put(x);
}
esp->auth.tfm = hash;
if (crypto_hash_setkey(hash, esp->auth.key, esp->auth.key_len))
goto error;
-
+
aalg_desc = xfrm_aalg_get_byname(x->aalg->alg_name, 0);
BUG_ON(!aalg_desc);
-
+
if (aalg_desc->uinfo.auth.icv_fullbits/8 !=
crypto_hash_digestsize(hash)) {
NETDEBUG(KERN_INFO "ESP: %s digestsize %u != %hu\n",
aalg_desc->uinfo.auth.icv_fullbits/8);
goto error;
}
-
+
esp->auth.icv_full_len = aalg_desc->uinfo.auth.icv_fullbits/8;
esp->auth.icv_trunc_len = aalg_desc->uinfo.auth.icv_truncbits/8;
-
+
esp->auth.work_icv = kmalloc(esp->auth.icv_full_len, GFP_KERNEL);
if (!esp->auth.work_icv)
goto error;
*/
/* Changes:
- * yoshfuji : ensure not to overrun while parsing
+ * yoshfuji : ensure not to overrun while parsing
* tlv options.
* Mitsuru KANDA @USAGI and: Remove ipv6_parse_exthdrs().
* YOSHIFUJI Hideaki @USAGI Register inbound extension header
goto bad;
for (curr=procs; curr->type >= 0; curr++) {
if (curr->type == skb->nh.raw[off]) {
- /* type specific length/alignment
- checks will be performed in the
+ /* type specific length/alignment
+ checks will be performed in the
func(). */
if (curr->func(skbp, off) == 0)
return 0;
For now we need to test the engine, so that I created
temporary (or permanent) backdoor.
If listening socket set IPV6_RTHDR to 2, then we invert header.
- --ANK (980729)
+ --ANK (980729)
*/
struct ipv6_txoptions *
return 1;
}
LIMIT_NETDEBUG(KERN_DEBUG "ipv6_hop_ra: wrong RA length %d\n",
- skb->nh.raw[optoff+1]);
+ skb->nh.raw[optoff+1]);
kfree_skb(skb);
return 0;
}
if (skb->nh.raw[optoff+1] != 4 || (optoff&3) != 2) {
LIMIT_NETDEBUG(KERN_DEBUG "ipv6_hop_jumbo: wrong jumbo opt length/alignment %d\n",
- skb->nh.raw[optoff+1]);
+ skb->nh.raw[optoff+1]);
IP6_INC_STATS_BH(ip6_dst_idev(skb->dst),
IPSTATS_MIB_INHDRERRORS);
goto drop;
int hops;
ihdr = (struct rt0_hdr *) opt;
-
+
phdr = (struct rt0_hdr *) skb_push(skb, (ihdr->rt_hdr.hdrlen + 1) << 3);
memcpy(phdr, ihdr, sizeof(struct rt0_hdr));
*/
#include <net/ipv6.h>
-/*
+/*
* find out if nexthdr is a well-known extension header or a protocol
*/
int ipv6_ext_hdr(u8 nexthdr)
{
- /*
+ /*
* find out if nexthdr is an extension header or a protocol
*/
return ( (nexthdr == NEXTHDR_HOP) ||
* Skip any extension headers. This is used by the ICMP module.
*
* Note that strictly speaking this conflicts with RFC 2460 4.0:
- * ...The contents and semantics of each extension header determine whether
+ * ...The contents and semantics of each extension header determine whether
* or not to proceed to the next header. Therefore, extension headers must
* be processed strictly in the order they appear in the packet; a
* receiver must not, for example, scan through a packet looking for a
* particular kind of extension header and process that header prior to
* processing all preceding ones.
- *
+ *
* We do exactly this. This is a protocol bug. We can't decide after a
- * seeing an unknown discard-with-error flavour TLV option if it's a
+ * seeing an unknown discard-with-error flavour TLV option if it's a
* ICMP error message or not (errors should never be send in reply to
* ICMP error messages).
- *
+ *
* But I see no other way to do this. This might need to be reexamined
* when Linux implements ESP (and maybe AUTH) headers.
* --AK
break;
hdrlen = 8;
} else if (nexthdr == NEXTHDR_AUTH)
- hdrlen = (hp->hdrlen+2)<<2;
+ hdrlen = (hp->hdrlen+2)<<2;
else
- hdrlen = ipv6_optlen(hp);
+ hdrlen = ipv6_optlen(hp);
nexthdr = hp->nexthdr;
start += hdrlen;
spin_unlock_bh(&icmpv6_socket->sk->sk_lock.slock);
}
-/*
+/*
* Slightly more convenient version of icmpv6_send.
*/
void icmpv6_param_prob(struct sk_buff *skb, int code, int pos)
static int sysctl_icmpv6_time __read_mostly = 1*HZ;
-/*
- * Check the ICMP output rate limit
+/*
+ * Check the ICMP output rate limit
*/
static inline int icmpv6_xrlim_allow(struct sock *sk, int type,
struct flowi *fl)
if (type == ICMPV6_PKT_TOOBIG)
return 1;
- /*
+ /*
* Look up the output route.
* XXX: perhaps the expire for routing entries cloned by
* this lookup should be more aggressive (not longer than timeout).
/*
* an inline helper for the "simple" if statement below
* checks if parameter problem report is caused by an
- * unrecognized IPv6 option that has the Option Type
+ * unrecognized IPv6 option that has the Option Type
* highest-order two bits set to 10
*/
/*
* Send an ICMP message in response to a packet in error
*/
-void icmpv6_send(struct sk_buff *skb, int type, int code, __u32 info,
+void icmpv6_send(struct sk_buff *skb, int type, int code, __u32 info,
struct net_device *dev)
{
struct inet6_dev *idev = NULL;
return;
/*
- * Make sure we respect the rules
+ * Make sure we respect the rules
* i.e. RFC 1885 2.4(e)
* Rule (e.1) is enforced by not using icmpv6_send
* in any code that processes icmp errors.
if ((addr_type & IPV6_ADDR_MULTICAST || skb->pkt_type != PACKET_HOST)) {
if (type != ICMPV6_PKT_TOOBIG &&
- !(type == ICMPV6_PARAMPROB &&
- code == ICMPV6_UNK_OPTION &&
+ !(type == ICMPV6_PARAMPROB &&
+ code == ICMPV6_UNK_OPTION &&
(opt_unrec(skb, info))))
return;
return;
}
- /*
+ /*
* Never answer to a ICMP packet.
*/
if (is_ineligible(skb)) {
}
err = icmpv6_push_pending_frames(sk, &fl, &tmp_hdr, skb->len + sizeof(struct icmp6hdr));
- ICMP6_INC_STATS_BH(idev, ICMP6_MIB_OUTECHOREPLIES);
- ICMP6_INC_STATS_BH(idev, ICMP6_MIB_OUTMSGS);
+ ICMP6_INC_STATS_BH(idev, ICMP6_MIB_OUTECHOREPLIES);
+ ICMP6_INC_STATS_BH(idev, ICMP6_MIB_OUTMSGS);
-out_put:
+out_put:
if (likely(idev != NULL))
in6_dev_put(idev);
dst_release(dst);
-out:
+out:
icmpv6_xmit_unlock();
}
}
read_unlock(&raw_v6_lock);
}
-
+
/*
* Handle icmp messages
*/
if (type & ICMPV6_INFOMSG_MASK)
break;
- /*
- * error of unknown type.
- * must pass to upper level
+ /*
+ * error of unknown type.
+ * must pass to upper level
*/
icmpv6_notify(skb, type, hdr->icmp6_code, hdr->icmp6_mtu);
case ICMPV6_PKT_TOOBIG:
*err = EMSGSIZE;
break;
-
+
case ICMPV6_PARAMPROB:
*err = EPROTO;
fatal = 1;
sk_for_each(sk, node, &hashinfo->listening_hash[inet_lhashfn(hnum)]) {
if (inet_sk(sk)->num == hnum && sk->sk_family == PF_INET6) {
const struct ipv6_pinfo *np = inet6_sk(sk);
-
+
score = 1;
if (!ipv6_addr_any(&np->rcv_saddr)) {
if (!ipv6_addr_equal(&np->rcv_saddr, daddr))
{
struct inet_hashinfo *hinfo = death_row->hashinfo;
const unsigned short snum = inet_sk(sk)->num;
- struct inet_bind_hashbucket *head;
- struct inet_bind_bucket *tb;
+ struct inet_bind_hashbucket *head;
+ struct inet_bind_bucket *tb;
int ret;
- if (snum == 0) {
- const int low = sysctl_local_port_range[0];
- const int high = sysctl_local_port_range[1];
+ if (snum == 0) {
+ const int low = sysctl_local_port_range[0];
+ const int high = sysctl_local_port_range[1];
const int range = high - low;
- int i, port;
+ int i, port;
static u32 hint;
const u32 offset = hint + inet6_sk_port_offset(sk);
struct hlist_node *node;
- struct inet_timewait_sock *tw = NULL;
+ struct inet_timewait_sock *tw = NULL;
- local_bh_disable();
+ local_bh_disable();
for (i = 1; i <= range; i++) {
port = low + (i + offset) % range;
- head = &hinfo->bhash[inet_bhashfn(port, hinfo->bhash_size)];
- spin_lock(&head->lock);
+ head = &hinfo->bhash[inet_bhashfn(port, hinfo->bhash_size)];
+ spin_lock(&head->lock);
- /* Does not bother with rcv_saddr checks,
- * because the established check is already
- * unique enough.
- */
+ /* Does not bother with rcv_saddr checks,
+ * because the established check is already
+ * unique enough.
+ */
inet_bind_bucket_for_each(tb, node, &head->chain) {
- if (tb->port == port) {
- BUG_TRAP(!hlist_empty(&tb->owners));
- if (tb->fastreuse >= 0)
- goto next_port;
- if (!__inet6_check_established(death_row,
+ if (tb->port == port) {
+ BUG_TRAP(!hlist_empty(&tb->owners));
+ if (tb->fastreuse >= 0)
+ goto next_port;
+ if (!__inet6_check_established(death_row,
sk, port,
&tw))
- goto ok;
- goto next_port;
- }
- }
+ goto ok;
+ goto next_port;
+ }
+ }
- tb = inet_bind_bucket_create(hinfo->bind_bucket_cachep,
+ tb = inet_bind_bucket_create(hinfo->bind_bucket_cachep,
head, port);
- if (!tb) {
- spin_unlock(&head->lock);
- break;
- }
- tb->fastreuse = -1;
- goto ok;
+ if (!tb) {
+ spin_unlock(&head->lock);
+ break;
+ }
+ tb->fastreuse = -1;
+ goto ok;
- next_port:
- spin_unlock(&head->lock);
- }
- local_bh_enable();
+ next_port:
+ spin_unlock(&head->lock);
+ }
+ local_bh_enable();
- return -EADDRNOTAVAIL;
+ return -EADDRNOTAVAIL;
ok:
hint += i;
- /* Head lock still held and bh's disabled */
- inet_bind_hash(sk, tb, port);
+ /* Head lock still held and bh's disabled */
+ inet_bind_hash(sk, tb, port);
if (sk_unhashed(sk)) {
- inet_sk(sk)->sport = htons(port);
- __inet6_hash(hinfo, sk);
- }
- spin_unlock(&head->lock);
+ inet_sk(sk)->sport = htons(port);
+ __inet6_hash(hinfo, sk);
+ }
+ spin_unlock(&head->lock);
- if (tw) {
- inet_twsk_deschedule(tw, death_row);
- inet_twsk_put(tw);
- }
+ if (tw) {
+ inet_twsk_deschedule(tw, death_row);
+ inet_twsk_put(tw);
+ }
ret = 0;
goto out;
- }
+ }
- head = &hinfo->bhash[inet_bhashfn(snum, hinfo->bhash_size)];
- tb = inet_csk(sk)->icsk_bind_hash;
+ head = &hinfo->bhash[inet_bhashfn(snum, hinfo->bhash_size)];
+ tb = inet_csk(sk)->icsk_bind_hash;
spin_lock_bh(&head->lock);
if (sk_head(&tb->owners) == sk && sk->sk_bind_node.next == NULL) {
/*
- * Linux INET6 implementation
+ * Linux INET6 implementation
* Forwarding Information Database
*
* Authors:
- * Pedro Roque <roque@di.fc.ul.pt>
+ * Pedro Roque <roque@di.fc.ul.pt>
*
* $Id: ip6_fib.c,v 1.25 2001/10/31 21:55:55 davem Exp $
*
static struct fib6_walker_t fib6_walker_list = {
.prev = &fib6_walker_list,
- .next = &fib6_walker_list,
+ .next = &fib6_walker_list,
};
#define FOR_WALKERS(w) for ((w)=fib6_walker_list.next; (w) != &fib6_walker_list; (w)=(w)->next)
/*
* Auxiliary address test functions for the radix tree.
*
- * These assume a 32bit processor (although it will work on
+ * These assume a 32bit processor (although it will work on
* 64bit processors)
*/
struct fib6_node *pn = NULL;
struct rt6key *key;
int bit;
- __be32 dir = 0;
+ __be32 dir = 0;
__u32 sernum = fib6_new_sernum();
RT6_TRACE("fib6_add_1\n");
if (plen < fn->fn_bit ||
!ipv6_prefix_equal(&key->addr, addr, fn->fn_bit))
goto insert_above;
-
+
/*
* Exact match ?
*/
-
+
if (plen == fn->fn_bit) {
/* clean up an intermediate node */
if ((fn->fn_flags & RTN_RTINFO) == 0) {
rt6_release(fn->leaf);
fn->leaf = NULL;
}
-
+
fn->fn_sernum = sernum;
-
+
return fn;
}
/*
* We have more bits to go
*/
-
+
/* Try to walk down on tree. */
fn->fn_sernum = sernum;
dir = addr_bit_set(addr, fn->fn_bit);
if (ln == NULL)
return NULL;
ln->fn_bit = plen;
-
+
ln->parent = pn;
ln->fn_sernum = sernum;
insert_above:
/*
- * split since we don't have a common prefix anymore or
+ * split since we don't have a common prefix anymore or
* we have a less significant route.
* we've to insert an intermediate node on the list
* this new node will point to the one we need to create
See comment in __ipv6_addr_diff: bit may be an invalid value,
but if it is >= plen, the value is ignored in any case.
*/
-
+
bit = __ipv6_addr_diff(addr, &key->addr, addrlen);
- /*
- * (intermediate)[in]
+ /*
+ * (intermediate)[in]
* / \
* (new leaf node)[ln] (old node)[fn]
*/
if (plen > bit) {
in = node_alloc();
ln = node_alloc();
-
+
if (in == NULL || ln == NULL) {
if (in)
node_free(in);
return NULL;
}
- /*
- * new intermediate node.
+ /*
+ * new intermediate node.
* RTN_RTINFO will
* be off since that an address that chooses one of
* the branches would not match less specific routes
}
} else { /* plen <= bit */
- /*
+ /*
* (new leaf node)[ln]
* / \
* (old node)[fn] NULL
ln->parent = pn;
ln->fn_sernum = sernum;
-
+
if (dir)
pn->right = ln;
else
* However, it is internally reenterable wrt itself and fib6_add/fib6_del.
* It means, that we can modify tree during walking
* and use this function for garbage collection, clone pruning,
- * cleaning tree when a device goes down etc. etc.
+ * cleaning tree when a device goes down etc. etc.
*
* It guarantees that every node will be traversed,
* and that it will be traversed only once.
continue;
}
w->state = FWS_L;
-#endif
+#endif
case FWS_L:
if (fn->left) {
w->node = fn->left;
/*
* Convenient frontend to tree walker.
- *
+ *
* func is called on each route.
* It may return -1 -> delete this route.
* 0 -> continue walking
struct ipv6_txoptions * fopt)
{
struct ipv6_txoptions * fl_opt = fl->opt;
-
+
if (fopt == NULL || fopt->opt_flen == 0)
return fl_opt;
-
+
if (fl_opt != NULL) {
opt_space->hopopt = fl_opt->hopopt;
opt_space->dst0opt = fl_opt->dst0opt;
/*
* IPv6 input
- * Linux INET6 implementation
+ * Linux INET6 implementation
*
* Authors:
* Pedro Roque <roque@di.fc.ul.pt>
-inline int ip6_rcv_finish( struct sk_buff *skb)
+inline int ip6_rcv_finish( struct sk_buff *skb)
{
if (skb->dst == NULL)
ip6_route_input(skb);
hash = nexthdr & (MAX_INET_PROTOS - 1);
if ((ipprot = rcu_dereference(inet6_protos[hash])) != NULL) {
int ret;
-
+
if (ipprot->flags & INET6_PROTO_FINAL) {
- struct ipv6hdr *hdr;
+ struct ipv6hdr *hdr;
/* Free reference early: we don't need it any more,
and it may hold ip_conntrack module loaded
goto discard;
}
if (!(ipprot->flags & INET6_PROTO_NOPOLICY) &&
- !xfrm6_policy_check(NULL, XFRM_POLICY_IN, skb))
+ !xfrm6_policy_check(NULL, XFRM_POLICY_IN, skb))
goto discard;
-
+
ret = ipprot->handler(&skb);
if (ret > 0)
goto resubmit;
if (xfrm6_policy_check(NULL, XFRM_POLICY_IN, skb)) {
IP6_INC_STATS_BH(idev, IPSTATS_MIB_INUNKNOWNPROTOS);
icmpv6_send(skb, ICMPV6_PARAMPROB,
- ICMPV6_UNK_NEXTHDR, nhoff,
- skb->dev);
+ ICMPV6_UNK_NEXTHDR, nhoff,
+ skb->dev);
}
} else
IP6_INC_STATS_BH(idev, IPSTATS_MIB_INDELIVERS);
struct dst_entry *dst;
dst = skb->dst;
-
+
if (deliver) {
skb2 = skb_clone(skb, GFP_ATOMIC);
dst_output(skb2);
/*
* IPv6 output functions
- * Linux INET6 implementation
+ * Linux INET6 implementation
*
* Authors:
- * Pedro Roque <roque@di.fc.ul.pt>
+ * Pedro Roque <roque@di.fc.ul.pt>
*
* $Id: ip6_output.c,v 1.34 2002/02/01 22:01:04 davem Exp $
*
struct dst_entry *dst = skb->dst;
struct ipv6hdr *hdr = skb->nh.ipv6h;
struct inet6_skb_parm *opt = IP6CB(skb);
-
+
if (ipv6_devconf.forwarding == 0)
goto error;
hdr = skb->nh.ipv6h;
/* Mangling hops number delayed to point after skb COW */
-
+
hdr->hop_limit--;
IP6_INC_STATS_BH(ip6_dst_idev(dst), IPSTATS_MIB_OUTFORWDATAGRAMS);
frag->nh.ipv6h->payload_len = htons(frag->len - sizeof(struct ipv6hdr));
ip6_copy_metadata(frag, skb);
}
-
+
err = output(skb);
if(!err)
IP6_INC_STATS(ip6_dst_idev(&rt->u.dst), IPSTATS_MIB_FRAGCREATES);
fail:
IP6_INC_STATS(ip6_dst_idev(skb->dst),
IPSTATS_MIB_FRAGFAILS);
- kfree_skb(skb);
+ kfree_skb(skb);
return err;
}
struct frag_hdr fhdr;
/* specify the length of each IP datagram fragment*/
- skb_shinfo(skb)->gso_size = mtu - fragheaderlen -
+ skb_shinfo(skb)->gso_size = mtu - fragheaderlen -
sizeof(struct frag_hdr);
skb_shinfo(skb)->gso_type = SKB_GSO_UDP;
ipv6_select_ident(skb, &fhdr);
* fragment alignment (= 8-15 octects, in total).
*
* Note that we may need to "move" the data from the tail of
- * of the buffer to the new fragment when we split
+ * of the buffer to the new fragment when we split
* the message.
*
- * FIXME: It may be fragmented into multiple chunks
+ * FIXME: It may be fragmented into multiple chunks
* at once if non-fragmentable extension headers
* are too large.
- * --yoshfuji
+ * --yoshfuji
*/
inet->cork.length += length;
/*
* We just reserve space for fragment header.
- * Note: this may be overallocation if the message
+ * Note: this may be overallocation if the message
* (without MSG_MORE) fits into the MTU.
*/
alloclen += sizeof(struct frag_hdr);
ipv6_push_nfrag_opts(skb, opt, &proto, &final_dst);
skb->nh.ipv6h = hdr = (struct ipv6hdr*) skb_push(skb, sizeof(struct ipv6hdr));
-
+
*(__be32*)hdr = fl->fl6_flowlabel |
htonl(0x60000000 | ((int)np->cork.tclass << 20));
* Linux INET6 implementation
*
* Authors:
- * Ville Nuorvala <vnuorval@tcs.hut.fi>
+ * Ville Nuorvala <vnuorval@tcs.hut.fi>
*
* $Id$
*
#define HASH_SIZE 32
#define HASH(addr) ((__force u32)((addr)->s6_addr32[0] ^ (addr)->s6_addr32[1] ^ \
- (addr)->s6_addr32[2] ^ (addr)->s6_addr32[3]) & \
- (HASH_SIZE - 1))
+ (addr)->s6_addr32[2] ^ (addr)->s6_addr32[3]) & \
+ (HASH_SIZE - 1))
static int ip6ip6_fb_tnl_dev_init(struct net_device *dev);
static int ip6ip6_tnl_dev_init(struct net_device *dev);
{
struct dst_entry *dst = t->dst_cache;
- if (dst && dst->obsolete &&
+ if (dst && dst->obsolete &&
dst->ops->check(dst, t->dst_cookie) == NULL) {
t->dst_cache = NULL;
dst_release(dst);
/**
* ip6ip6_tnl_lookup - fetch tunnel matching the end-point addresses
- * @remote: the address of the tunnel exit-point
- * @local: the address of the tunnel entry-point
+ * @remote: the address of the tunnel exit-point
+ * @local: the address of the tunnel entry-point
*
- * Return:
+ * Return:
* tunnel matching given end-points if found,
- * else fallback tunnel if its device is up,
+ * else fallback tunnel if its device is up,
* else %NULL
**/
/**
* ip6ip6_bucket - get head of list matching given tunnel parameters
- * @p: parameters containing tunnel end-points
+ * @p: parameters containing tunnel end-points
*
* Description:
- * ip6ip6_bucket() returns the head of the list matching the
+ * ip6ip6_bucket() returns the head of the list matching the
* &struct in6_addr entries laddr and raddr in @p.
*
- * Return: head of IPv6 tunnel list
+ * Return: head of IPv6 tunnel list
**/
static struct ip6_tnl **
*
* Description:
* Create tunnel matching given parameters.
- *
- * Return:
+ *
+ * Return:
* created tunnel or NULL
**/
if (__dev_get_by_name(name) == NULL)
break;
}
- if (i == IP6_TNL_MAX)
+ if (i == IP6_TNL_MAX)
goto failed;
}
dev = alloc_netdev(sizeof (*t), name, ip6ip6_tnl_dev_setup);
/**
* ip6ip6_tnl_locate - find or create tunnel matching given parameters
- * @p: tunnel parameters
+ * @p: tunnel parameters
* @create: != 0 if allowed to create new tunnel if no match found
*
* Description:
/**
* ip6ip6_tnl_dev_uninit - tunnel device uninitializer
* @dev: the device to be destroyed
- *
+ *
* Description:
* ip6ip6_tnl_dev_uninit() removes tunnel from its list
**/
* parse_tvl_tnl_enc_lim - handle encapsulation limit option
* @skb: received socket buffer
*
- * Return:
- * 0 if none was found,
+ * Return:
+ * 0 if none was found,
* else index to encapsulation limit
**/
__u16 len;
int err = -ENOENT;
- /* If the packet doesn't contain the original IPv6 header we are
- in trouble since we might need the source address for further
+ /* If the packet doesn't contain the original IPv6 header we are
+ in trouble since we might need the source address for further
processing of the error. */
read_lock(&ip6ip6_lock);
if (net_ratelimit())
printk(KERN_WARNING
"%s: Too small hop limit or "
- "routing loop in tunnel!\n",
+ "routing loop in tunnel!\n",
t->parms.name);
rel_msg = 1;
}
int ret = 0;
if (p->flags & IP6_TNL_F_CAP_RCV) {
- struct net_device *ldev = NULL;
+ struct net_device *ldev = NULL;
if (p->link)
ldev = dev_get_by_index(p->link);
* Return: 0
**/
-static int
+static int
ip6ip6_rcv(struct sk_buff *skb)
{
struct ipv6hdr *ipv6h;
/**
* ip6ip6_tnl_addr_conflict - compare packet addresses to tunnel's own
* @t: the outgoing tunnel device
- * @hdr: IPv6 header from the incoming packet
+ * @hdr: IPv6 header from the incoming packet
*
* Description:
- * Avoid trivial tunneling loop by checking that tunnel exit-point
+ * Avoid trivial tunneling loop by checking that tunnel exit-point
* doesn't match source of incoming packet.
*
- * Return:
+ * Return:
* 1 if conflict,
* 0 else
**/
struct ip6_tnl_parm *p = &t->parms;
int ret = 0;
- if (p->flags & IP6_TNL_F_CAP_XMIT) {
+ if (p->flags & IP6_TNL_F_CAP_XMIT) {
struct net_device *ldev = NULL;
if (p->link)
return ret;
}
/**
- * ip6ip6_tnl_xmit - encapsulate packet and send
+ * ip6ip6_tnl_xmit - encapsulate packet and send
* @skb: the outgoing socket buffer
- * @dev: the outgoing tunnel device
+ * @dev: the outgoing tunnel device
*
* Description:
* Build new header and do some sanity checks on the packet before sending
* it.
*
- * Return:
+ * Return:
* 0
**/
-static int
+static int
ip6ip6_tnl_xmit(struct sk_buff *skb, struct net_device *dev)
{
struct ip6_tnl *t = netdev_priv(dev);
if (tdev == dev) {
stats->collisions++;
if (net_ratelimit())
- printk(KERN_WARNING
+ printk(KERN_WARNING
"%s: Local routing loop detected!\n",
t->parms.name);
goto tx_err_dst_release;
* Okay, now see if we can stuff it in the buffer as-is.
*/
max_headroom += LL_RESERVED_SPACE(tdev);
-
- if (skb_headroom(skb) < max_headroom ||
+
+ if (skb_headroom(skb) < max_headroom ||
skb_cloned(skb) || skb_shared(skb)) {
struct sk_buff *new_skb;
-
+
if (!(new_skb = skb_realloc_headroom(skb, max_headroom)))
goto tx_err_dst_release;
ipv6_addr_copy(&ipv6h->daddr, &fl.fl6_dst);
nf_reset(skb);
pkt_len = skb->len;
- err = NF_HOOK(PF_INET6, NF_IP6_LOCAL_OUT, skb, NULL,
+ err = NF_HOOK(PF_INET6, NF_IP6_LOCAL_OUT, skb, NULL,
skb->dst->dev, dst_output);
if (net_xmit_eval(err) == 0) {
}
/**
- * ip6ip6_tnl_ioctl - configure ipv6 tunnels from userspace
+ * ip6ip6_tnl_ioctl - configure ipv6 tunnels from userspace
* @dev: virtual device associated with tunnel
* @ifr: parameters passed from userspace
* @cmd: command to be performed
*
* Description:
- * ip6ip6_tnl_ioctl() is used for managing IPv6 tunnels
- * from userspace.
+ * ip6ip6_tnl_ioctl() is used for managing IPv6 tunnels
+ * from userspace.
*
* The possible commands are the following:
* %SIOCGETTUNNEL: get tunnel parameters for device
* %SIOCCHGTUNNEL: change tunnel parameters to those given
* %SIOCDELTUNNEL: delete tunnel
*
- * The fallback device "ip6tnl0", created during module
+ * The fallback device "ip6tnl0", created during module
* initialization, can be used for creating other tunnel devices.
*
* Return:
}
/**
- * ip6ip6_tnl_get_stats - return the stats for tunnel device
+ * ip6ip6_tnl_get_stats - return the stats for tunnel device
* @dev: virtual device associated with tunnel
*
* Return: stats for device
* Return: 0
**/
-static int
+static int
ip6ip6_fb_tnl_dev_init(struct net_device *dev)
{
struct ip6_tnl *t = netdev_priv(dev);
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
- *
+ *
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
- *
+ *
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
-/*
+/*
* [Memo]
*
* Outbound:
- * The compression of IP datagram MUST be done before AH/ESP processing,
- * fragmentation, and the addition of Hop-by-Hop/Routing header.
+ * The compression of IP datagram MUST be done before AH/ESP processing,
+ * fragmentation, and the addition of Hop-by-Hop/Routing header.
*
* Inbound:
- * The decompression of IP datagram MUST be done after the reassembly,
+ * The decompression of IP datagram MUST be done after the reassembly,
* AH/ESP processing.
*/
#include <linux/module.h>
}
static void ipcomp6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
- int type, int code, int offset, __be32 info)
+ int type, int code, int offset, __be32 info)
{
__be32 spi;
struct ipv6hdr *iph = (struct ipv6hdr*)skb->data;
x->props.header_len = 0;
if (x->props.mode == XFRM_MODE_TUNNEL)
x->props.header_len += sizeof(struct ipv6hdr);
-
+
mutex_lock(&ipcomp6_resource_mutex);
if (!ipcomp6_alloc_scratches())
goto error;
goto out;
}
-static struct xfrm_type ipcomp6_type =
+static struct xfrm_type ipcomp6_type =
{
.description = "IPCOMP6",
.owner = THIS_MODULE,
.hdr_offset = xfrm6_find_1stfragopt,
};
-static struct inet6_protocol ipcomp6_protocol =
+static struct inet6_protocol ipcomp6_protocol =
{
.handler = xfrm6_rcv,
.err_handler = ipcomp6_err,
static void __exit ipcomp6_fini(void)
{
- if (inet6_del_protocol(&ipcomp6_protocol, IPPROTO_COMP) < 0)
+ if (inet6_del_protocol(&ipcomp6_protocol, IPPROTO_COMP) < 0)
printk(KERN_INFO "ipv6 ipcomp close: can't remove protocol\n");
if (xfrm_unregister_type(&ipcomp6_type, AF_INET6) < 0)
printk(KERN_INFO "ipv6 ipcomp close: can't remove xfrm type\n");
/*
* IPv6 BSD socket options interface
- * Linux INET6 implementation
+ * Linux INET6 implementation
*
* Authors:
- * Pedro Roque <roque@di.fc.ul.pt>
+ * Pedro Roque <roque@di.fc.ul.pt>
*
* Based on linux/net/ipv4/ip_sockglue.c
*
}
static struct packet_type ipv6_packet_type = {
- .type = __constant_htons(ETH_P_IPV6),
+ .type = __constant_htons(ETH_P_IPV6),
.func = ipv6_rcv,
.gso_send_check = ipv6_gso_send_check,
.gso_segment = ipv6_gso_segment,
np->rxopt.bits.rxinfo = valbool;
retv = 0;
break;
-
+
case IPV6_2292PKTINFO:
np->rxopt.bits.rxoinfo = valbool;
retv = 0;
np->tclass = val;
retv = 0;
break;
-
+
case IPV6_RECVTCLASS:
np->rxopt.bits.rxtclass = valbool;
retv = 0;
case IPV6_MTU:
{
struct dst_entry *dst;
- val = 0;
+ val = 0;
lock_sock(sk);
dst = sk_dst_get(sk);
if (dst) {
/*
* Multicast support for IPv6
- * Linux INET6 implementation
+ * Linux INET6 implementation
*
* Authors:
- * Pedro Roque <roque@di.fc.ul.pt>
+ * Pedro Roque <roque@di.fc.ul.pt>
*
* $Id: mcast.c,v 1.40 2002/02/08 03:57:19 davem Exp $
*
- * Based on linux/ipv4/igmp.c and linux/ipv4/ip_sockglue.c
+ * Based on linux/ipv4/igmp.c and linux/ipv4/ip_sockglue.c
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
memset(&ss, 0, sizeof(ss));
psin6->sin6_family = AF_INET6;
psin6->sin6_addr = psl->sl_addr[i];
- if (copy_to_user(&optval->gf_slist[i], &ss, sizeof(ss)))
+ if (copy_to_user(&optval->gf_slist[i], &ss, sizeof(ss)))
return -EFAULT;
}
return 0;
/* compute payload length excluding extension headers */
len = ntohs(skb->nh.ipv6h->payload_len) + sizeof(struct ipv6hdr);
- len -= (char *)skb->h.raw - (char *)skb->nh.ipv6h;
+ len -= (char *)skb->h.raw - (char *)skb->nh.ipv6h;
/* Drop queries with not link local source */
if (!(ipv6_addr_type(&skb->nh.ipv6h->saddr)&IPV6_ADDR_LINKLOCAL))
/* clear deleted report items */
mld_clear_delrec(idev);
} else if (len >= 28) {
- int srcs_offset = sizeof(struct mld2_query) -
+ int srcs_offset = sizeof(struct mld2_query) -
sizeof(struct icmp6hdr);
if (!pskb_may_pull(skb, srcs_offset)) {
in6_dev_put(idev);
}
/* mark sources to include, if group & source-specific */
if (mlh2->nsrcs != 0) {
- if (!pskb_may_pull(skb, srcs_offset +
+ if (!pskb_may_pull(skb, srcs_offset +
ntohs(mlh2->nsrcs) * sizeof(struct in6_addr))) {
in6_dev_put(idev);
return -EINVAL;
/* Drop reports with not link local source */
addr_type = ipv6_addr_type(&skb->nh.ipv6h->saddr);
- if (addr_type != IPV6_ADDR_ANY &&
+ if (addr_type != IPV6_ADDR_ANY &&
!(addr_type&IPV6_ADDR_LINKLOCAL))
return -EINVAL;
if (ipv6_get_lladdr(dev, &addr_buf)) {
/* <draft-ietf-magma-mld-source-05.txt>:
- * use unspecified address as the source address
+ * use unspecified address as the source address
* when a valid link-local address is not available.
*/
memset(&addr_buf, 0, sizeof(addr_buf));
static inline int mld_dev_queue_xmit(struct sk_buff *skb)
{
return NF_HOOK(PF_INET6, NF_IP6_POST_ROUTING, skb, NULL, skb->dev,
- mld_dev_queue_xmit2);
+ mld_dev_queue_xmit2);
}
static void mld_sendpack(struct sk_buff *skb)
{
struct sock *sk = igmp6_socket->sk;
struct inet6_dev *idev;
- struct sk_buff *skb;
- struct icmp6hdr *hdr;
+ struct sk_buff *skb;
+ struct icmp6hdr *hdr;
struct in6_addr *snd_addr;
struct in6_addr *addrp;
struct in6_addr addr_buf;
if (ipv6_get_lladdr(dev, &addr_buf)) {
/* <draft-ietf-magma-mld-source-05.txt>:
- * use unspecified address as the source address
+ * use unspecified address as the source address
* when a valid link-local address is not available.
*/
memset(&addr_buf, 0, sizeof(addr_buf));
struct igmp6_mc_iter_state *state = igmp6_mc_seq_private(seq);
for (state->dev = dev_base, state->idev = NULL;
- state->dev;
+ state->dev;
state->dev = state->dev->next) {
struct inet6_dev *idev;
idev = in6_dev_get(state->dev);
struct igmp6_mc_iter_state *state = igmp6_mc_seq_private(seq);
seq_printf(seq,
- "%-4d %-15s " NIP6_SEQFMT " %5d %08X %ld\n",
+ "%-4d %-15s " NIP6_SEQFMT " %5d %08X %ld\n",
state->dev->ifindex, state->dev->name,
NIP6(im->mca_addr),
im->mca_users, im->mca_flags,
struct igmp6_mcf_iter_state *state = igmp6_mcf_seq_private(seq);
for (state->dev = dev_base, state->idev = NULL, state->im = NULL;
- state->dev;
+ state->dev;
state->dev = state->dev->next) {
struct inet6_dev *idev;
idev = in6_dev_get(state->dev);
struct igmp6_mcf_iter_state *state = igmp6_mcf_seq_private(seq);
if (v == SEQ_START_TOKEN) {
- seq_printf(seq,
+ seq_printf(seq,
"%3s %6s "
"%32s %32s %6s %6s\n", "Idx",
"Device", "Multicast Address",
struct seq_file *seq;
int rc = -ENOMEM;
struct igmp6_mcf_iter_state *s = kzalloc(sizeof(*s), GFP_KERNEL);
-
+
if (!s)
goto out;
.destructor = mip6_destopt_destroy,
.input = mip6_destopt_input,
.output = mip6_destopt_output,
- .reject = mip6_destopt_reject,
+ .reject = mip6_destopt_reject,
.hdr_offset = mip6_destopt_offset,
.local_addr = mip6_xfrm_addr,
};
/*
* Neighbour Discovery for IPv6
- * Linux INET6 implementation
+ * Linux INET6 implementation
*
* Authors:
- * Pedro Roque <roque@di.fc.ul.pt>
+ * Pedro Roque <roque@di.fc.ul.pt>
* Mike Shaver <shaver@ingenia.com>
*
* This program is free software; you can redistribute it and/or
static void ndisc_send_na(struct net_device *dev, struct neighbour *neigh,
struct in6_addr *daddr, struct in6_addr *solicited_addr,
- int router, int solicited, int override, int inc_opt)
+ int router, int solicited, int override, int inc_opt)
{
struct in6_addr tmpaddr;
struct inet6_ifaddr *ifp;
struct inet6_dev *idev;
struct flowi fl;
struct dst_entry* dst;
- struct sock *sk = ndisc_socket->sk;
+ struct sock *sk = ndisc_socket->sk;
struct in6_addr *src_addr;
- struct nd_msg *msg;
- int len;
- struct sk_buff *skb;
+ struct nd_msg *msg;
+ int len;
+ struct sk_buff *skb;
int err;
len = sizeof(struct icmp6hdr) + sizeof(struct in6_addr);
/* for anycast or proxy, solicited_addr != src_addr */
ifp = ipv6_get_ifaddr(solicited_addr, dev, 1);
- if (ifp) {
+ if (ifp) {
src_addr = solicited_addr;
in6_ifa_put(ifp);
} else {
if (skb == NULL) {
ND_PRINTK0(KERN_ERR
- "ICMPv6 NA: %s() failed to allocate an skb.\n",
+ "ICMPv6 NA: %s() failed to allocate an skb.\n",
__FUNCTION__);
dst_release(dst);
return;
msg = (struct nd_msg *)skb_put(skb, len);
skb->h.raw = (unsigned char*)msg;
- msg->icmph.icmp6_type = NDISC_NEIGHBOUR_ADVERTISEMENT;
- msg->icmph.icmp6_code = 0;
- msg->icmph.icmp6_cksum = 0;
+ msg->icmph.icmp6_type = NDISC_NEIGHBOUR_ADVERTISEMENT;
+ msg->icmph.icmp6_code = 0;
+ msg->icmph.icmp6_cksum = 0;
- msg->icmph.icmp6_unused = 0;
- msg->icmph.icmp6_router = router;
- msg->icmph.icmp6_solicited = solicited;
- msg->icmph.icmp6_override = override;
+ msg->icmph.icmp6_unused = 0;
+ msg->icmph.icmp6_router = router;
+ msg->icmph.icmp6_solicited = solicited;
+ msg->icmph.icmp6_override = override;
- /* Set the target address. */
+ /* Set the target address. */
ipv6_addr_copy(&msg->target, solicited_addr);
if (inc_opt)
dev->addr_len, dev->type);
/* checksum */
- msg->icmph.icmp6_cksum = csum_ipv6_magic(src_addr, daddr, len,
+ msg->icmph.icmp6_cksum = csum_ipv6_magic(src_addr, daddr, len,
IPPROTO_ICMPV6,
- csum_partial((__u8 *) msg,
+ csum_partial((__u8 *) msg,
len, 0));
skb->dst = dst;
if (likely(idev != NULL))
in6_dev_put(idev);
-}
+}
void ndisc_send_ns(struct net_device *dev, struct neighbour *neigh,
struct in6_addr *solicit,
- struct in6_addr *daddr, struct in6_addr *saddr)
+ struct in6_addr *daddr, struct in6_addr *saddr)
{
struct flowi fl;
struct dst_entry* dst;
struct inet6_dev *idev;
- struct sock *sk = ndisc_socket->sk;
- struct sk_buff *skb;
- struct nd_msg *msg;
+ struct sock *sk = ndisc_socket->sk;
+ struct sk_buff *skb;
+ struct nd_msg *msg;
struct in6_addr addr_buf;
- int len;
+ int len;
int err;
int send_llinfo;
1, &err);
if (skb == NULL) {
ND_PRINTK0(KERN_ERR
- "ICMPv6 NA: %s() failed to allocate an skb.\n",
+ "ICMPv6 NA: %s() failed to allocate an skb.\n",
__FUNCTION__);
dst_release(dst);
return;
/* checksum */
msg->icmph.icmp6_cksum = csum_ipv6_magic(&skb->nh.ipv6h->saddr,
- daddr, len,
+ daddr, len,
IPPROTO_ICMPV6,
- csum_partial((__u8 *) msg,
+ csum_partial((__u8 *) msg,
len, 0));
/* send it! */
skb->dst = dst;
struct dst_entry* dst;
struct inet6_dev *idev;
struct sock *sk = ndisc_socket->sk;
- struct sk_buff *skb;
- struct icmp6hdr *hdr;
+ struct sk_buff *skb;
+ struct icmp6hdr *hdr;
__u8 * opt;
- int len;
+ int len;
int err;
ndisc_flow_init(&fl, NDISC_ROUTER_SOLICITATION, saddr, daddr,
if (dev->addr_len)
len += ndisc_opt_addr_space(dev);
- skb = sock_alloc_send_skb(sk,
+ skb = sock_alloc_send_skb(sk,
(MAX_HEADER + sizeof(struct ipv6hdr) +
len + LL_RESERVED_SPACE(dev)),
1, &err);
if (skb == NULL) {
ND_PRINTK0(KERN_ERR
- "ICMPv6 RS: %s() failed to allocate an skb.\n",
+ "ICMPv6 RS: %s() failed to allocate an skb.\n",
__FUNCTION__);
dst_release(dst);
return;
skb_reserve(skb, LL_RESERVED_SPACE(dev));
ip6_nd_hdr(sk, skb, dev, saddr, daddr, IPPROTO_ICMPV6, len);
- hdr = (struct icmp6hdr *)skb_put(skb, len);
- skb->h.raw = (unsigned char*)hdr;
- hdr->icmp6_type = NDISC_ROUTER_SOLICITATION;
- hdr->icmp6_code = 0;
- hdr->icmp6_cksum = 0;
- hdr->icmp6_unused = 0;
+ hdr = (struct icmp6hdr *)skb_put(skb, len);
+ skb->h.raw = (unsigned char*)hdr;
+ hdr->icmp6_type = NDISC_ROUTER_SOLICITATION;
+ hdr->icmp6_code = 0;
+ hdr->icmp6_cksum = 0;
+ hdr->icmp6_unused = 0;
opt = (u8*) (hdr + 1);
if (likely(idev != NULL))
in6_dev_put(idev);
}
-
+
static void ndisc_error_report(struct neighbour *neigh, struct sk_buff *skb)
{
int is_router;
if (ipv6_addr_is_multicast(&msg->target)) {
- ND_PRINTK2(KERN_WARNING
+ ND_PRINTK2(KERN_WARNING
"ICMPv6 NS: multicast target address");
return;
}
}
if (!ndisc_parse_options(msg->opt, ndoptlen, &ndopts)) {
- ND_PRINTK2(KERN_WARNING
+ ND_PRINTK2(KERN_WARNING
"ICMPv6 NS: invalid ND options\n");
return;
}
}
/* RFC2461 7.1.1:
- * If the IP source address is the unspecified address,
- * there MUST NOT be source link-layer address option
+ * If the IP source address is the unspecified address,
+ * there MUST NOT be source link-layer address option
* in the message.
*/
if (dad) {
- ND_PRINTK2(KERN_WARNING
+ ND_PRINTK2(KERN_WARNING
"ICMPv6 NS: bad DAD packet (link-layer address option)\n");
return;
}
goto out;
}
}
- addrconf_dad_failure(ifp);
+ addrconf_dad_failure(ifp);
return;
}
}
if (ipv6_chk_acast_addr(dev, &msg->target) ||
- (idev->cnf.forwarding &&
+ (idev->cnf.forwarding &&
(ipv6_devconf.proxy_ndp || idev->cnf.proxy_ndp) &&
(pneigh = pneigh_lookup(&nd_tbl,
&msg->target, dev, 0)) != NULL)) {
idev->nd_parms->proxy_delay != 0) {
/*
* for anycast or proxy,
- * sender should delay its response
- * by a random time between 0 and
+ * sender should delay its response
+ * by a random time between 0 and
* MAX_ANYCAST_DELAY_TIME seconds.
* (RFC2461) -- yoshfuji
*/
else
NEIGH_CACHE_STAT_INC(&nd_tbl, rcv_probes_ucast);
- /*
+ /*
* update / create cache entry
* for the source address
*/
neigh = __neigh_lookup(&nd_tbl, saddr, dev,
!inc || lladdr || !dev->addr_len);
if (neigh)
- neigh_update(neigh, lladdr, NUD_STALE,
+ neigh_update(neigh, lladdr, NUD_STALE,
NEIGH_UPDATE_F_WEAK_OVERRIDE|
NEIGH_UPDATE_F_OVERRIDE);
if (neigh || !dev->hard_header) {
"ICMPv6 NA: solicited NA is multicasted.\n");
return;
}
-
+
if (!ndisc_parse_options(msg->opt, ndoptlen, &ndopts)) {
ND_PRINTK2(KERN_WARNING
"ICMPv6 NS: invalid ND option\n");
static void ndisc_router_discovery(struct sk_buff *skb)
{
- struct ra_msg *ra_msg = (struct ra_msg *) skb->h.raw;
+ struct ra_msg *ra_msg = (struct ra_msg *) skb->h.raw;
struct neighbour *neigh = NULL;
struct inet6_dev *in6_dev;
struct rt6_info *rt = NULL;
return;
}
if (optlen < 0) {
- ND_PRINTK2(KERN_WARNING
+ ND_PRINTK2(KERN_WARNING
"ICMPv6 RA: packet too short\n");
return;
}
rt6_mtu_change(skb->dev, mtu);
}
}
-
+
if (ndopts.nd_opts_tgt_lladdr || ndopts.nd_opts_rh) {
ND_PRINTK2(KERN_WARNING
"ICMPv6 RA: invalid RA options");
if (ipv6_addr_equal(dest, target)) {
on_link = 1;
} else if (!(ipv6_addr_type(target) & IPV6_ADDR_LINKLOCAL)) {
- ND_PRINTK2(KERN_WARNING
+ ND_PRINTK2(KERN_WARNING
"ICMPv6 Redirect: target address is not link-local.\n");
return;
}
return;
}
- /* RFC2461 8.1:
+ /* RFC2461 8.1:
* The IP source address of the Redirect MUST be the same as the current
* first-hop router for the specified ICMP Destination Address.
*/
-
+
if (!ndisc_parse_options((u8*)(dest + 1), optlen, &ndopts)) {
ND_PRINTK2(KERN_WARNING
"ICMPv6 Redirect: invalid ND options\n");
ND_PRINTK2(KERN_WARNING
"ICMPv6 Redirect: no link-local address on %s\n",
dev->name);
- return;
- }
+ return;
+ }
if (!ipv6_addr_equal(&skb->nh.ipv6h->daddr, target) &&
!(ipv6_addr_type(target) & IPV6_ADDR_LINKLOCAL)) {
* build redirect option and copy skb over to the new packet.
*/
- memset(opt, 0, 8);
+ memset(opt, 0, 8);
*(opt++) = ND_OPT_REDIRECT_HDR;
*(opt++) = (rd_len >> 3);
opt += 6;
}
if (msg->icmph.icmp6_code != 0) {
- ND_PRINTK2(KERN_WARNING
+ ND_PRINTK2(KERN_WARNING
"ICMPv6 NDISC: invalid ICMPv6 code: %d\n",
msg->icmph.icmp6_code);
return 0;
{
struct ipv6_pinfo *np;
struct sock *sk;
- int err;
+ int err;
err = sock_create_kern(PF_INET6, SOCK_RAW, IPPROTO_ICMPV6, &ndisc_socket);
if (err < 0) {
ND_PRINTK0(KERN_ERR
- "ICMPv6 NDISC: Failed to initialize the control socket (err %d).\n",
+ "ICMPv6 NDISC: Failed to initialize the control socket (err %d).\n",
err);
ndisc_socket = NULL; /* For safety. */
return err;
np->mc_loop = 0;
sk->sk_prot->unhash(sk);
- /*
- * Initialize the neighbour table
- */
-
+ /*
+ * Initialize the neighbour table
+ */
+
neigh_table_init(&nd_tbl);
#ifdef CONFIG_SYSCTL
- neigh_sysctl_register(NULL, &nd_tbl.parms, NET_IPV6, NET_IPV6_NEIGH,
+ neigh_sysctl_register(NULL, &nd_tbl.parms, NET_IPV6, NET_IPV6_NEIGH,
"ipv6",
&ndisc_ifinfo_sysctl_change,
&ndisc_ifinfo_sysctl_strategy);
if (hook != NF_IP6_PRE_ROUTING && hook != NF_IP6_LOCAL_IN)
break;
if (!csum_ipv6_magic(&ip6h->saddr, &ip6h->daddr,
- skb->len - dataoff, protocol,
+ skb->len - dataoff, protocol,
csum_sub(skb->csum,
skb_checksum(skb, 0,
dataoff, 0)))) {
protocol,
csum_sub(0,
skb_checksum(skb, 0,
- dataoff, 0))));
+ dataoff, 0))));
csum = __skb_checksum_complete(skb);
}
return csum;
list_for_each_prev(p, &queue_list) {
struct ipq_queue_entry *entry = (struct ipq_queue_entry *)p;
-
+
if (!cmpfn || cmpfn(entry, data))
return entry;
}
__ipq_flush(int verdict)
{
struct ipq_queue_entry *entry;
-
+
while ((entry = __ipq_find_dequeue_entry(NULL, 0)))
ipq_issue_verdict(entry, verdict);
}
__ipq_set_mode(unsigned char mode, unsigned int range)
{
int status = 0;
-
+
switch(mode) {
case IPQ_COPY_NONE:
case IPQ_COPY_META:
copy_mode = mode;
copy_range = 0;
break;
-
+
case IPQ_COPY_PACKET:
copy_mode = mode;
copy_range = range;
if (copy_range > 0xFFFF)
copy_range = 0xFFFF;
break;
-
+
default:
status = -EINVAL;
ipq_find_dequeue_entry(ipq_cmpfn cmpfn, unsigned long data)
{
struct ipq_queue_entry *entry;
-
+
write_lock_bh(&queue_lock);
entry = __ipq_find_dequeue_entry(cmpfn, data);
write_unlock_bh(&queue_lock);
struct nlmsghdr *nlh;
read_lock_bh(&queue_lock);
-
+
switch (copy_mode) {
case IPQ_COPY_META:
case IPQ_COPY_NONE:
size = NLMSG_SPACE(sizeof(*pmsg));
data_len = 0;
break;
-
+
case IPQ_COPY_PACKET:
if ((entry->skb->ip_summed == CHECKSUM_PARTIAL ||
entry->skb->ip_summed == CHECKSUM_COMPLETE) &&
data_len = entry->skb->len;
else
data_len = copy_range;
-
+
size = NLMSG_SPACE(sizeof(*pmsg) + data_len);
break;
-
+
default:
*errp = -EINVAL;
read_unlock_bh(&queue_lock);
skb = alloc_skb(size, GFP_ATOMIC);
if (!skb)
goto nlmsg_failure;
-
+
old_tail= skb->tail;
nlh = NLMSG_PUT(skb, 0, 0, IPQM_PACKET, size - sizeof(*nlh));
pmsg = NLMSG_DATA(nlh);
pmsg->mark = entry->skb->mark;
pmsg->hook = entry->info->hook;
pmsg->hw_protocol = entry->skb->protocol;
-
+
if (entry->info->indev)
strcpy(pmsg->indev_name, entry->info->indev->name);
else
pmsg->indev_name[0] = '\0';
-
+
if (entry->info->outdev)
strcpy(pmsg->outdev_name, entry->info->outdev->name);
else
pmsg->outdev_name[0] = '\0';
-
+
if (entry->info->indev && entry->skb->dev) {
pmsg->hw_type = entry->skb->dev->type;
if (entry->skb->dev->hard_header_parse)
pmsg->hw_addrlen =
entry->skb->dev->hard_header_parse(entry->skb,
- pmsg->hw_addr);
+ pmsg->hw_addr);
}
-
+
if (data_len)
if (skb_copy_bits(entry->skb, 0, pmsg->payload, data_len))
BUG();
-
+
nlh->nlmsg_len = skb->tail - old_tail;
return skb;
}
static int
-ipq_enqueue_packet(struct sk_buff *skb, struct nf_info *info,
+ipq_enqueue_packet(struct sk_buff *skb, struct nf_info *info,
unsigned int queuenum, void *data)
{
int status = -EINVAL;
nskb = ipq_build_packet_message(entry, &status);
if (nskb == NULL)
goto err_out_free;
-
+
write_lock_bh(&queue_lock);
-
+
if (!peer_pid)
- goto err_out_free_nskb;
+ goto err_out_free_nskb;
if (queue_total >= queue_maxlen) {
- queue_dropped++;
+ queue_dropped++;
status = -ENOSPC;
if (net_ratelimit())
- printk (KERN_WARNING "ip6_queue: fill at %d entries, "
+ printk (KERN_WARNING "ip6_queue: fill at %d entries, "
"dropping packet(s). Dropped: %d\n", queue_total,
queue_dropped);
goto err_out_free_nskb;
}
- /* netlink_unicast will either free the nskb or attach it to a socket */
+ /* netlink_unicast will either free the nskb or attach it to a socket */
status = netlink_unicast(ipqnl, nskb, peer_pid, MSG_DONTWAIT);
if (status < 0) {
- queue_user_dropped++;
+ queue_user_dropped++;
goto err_out_unlock;
}
-
+
__ipq_enqueue_entry(entry);
write_unlock_bh(&queue_lock);
return status;
-
+
err_out_free_nskb:
- kfree_skb(nskb);
-
+ kfree_skb(nskb);
+
err_out_unlock:
write_unlock_bh(&queue_lock);
return -EINVAL;
if (diff > skb_tailroom(e->skb)) {
struct sk_buff *newskb;
-
+
newskb = skb_copy_expand(e->skb,
- skb_headroom(e->skb),
- diff,
- GFP_ATOMIC);
+ skb_headroom(e->skb),
+ diff,
+ GFP_ATOMIC);
if (newskb == NULL) {
printk(KERN_WARNING "ip6_queue: OOM "
"in mangle, dropping packet\n");
return -ENOENT;
else {
int verdict = vmsg->value;
-
+
if (vmsg->data_len && vmsg->data_len == len)
if (ipq_mangle_ipv6(vmsg, entry) < 0)
verdict = NF_DROP;
-
+
ipq_issue_verdict(entry, verdict);
return 0;
}
static int
ipq_receive_peer(struct ipq_peer_msg *pmsg,
- unsigned char type, unsigned int len)
+ unsigned char type, unsigned int len)
{
int status = 0;
switch (type) {
case IPQM_MODE:
status = ipq_set_mode(pmsg->msg.mode.value,
- pmsg->msg.mode.range);
+ pmsg->msg.mode.range);
break;
-
+
case IPQM_VERDICT:
if (pmsg->msg.verdict.value > NF_MAX_VERDICT)
status = -EINVAL;
else
status = ipq_set_verdict(&pmsg->msg.verdict,
- len - sizeof(*pmsg));
+ len - sizeof(*pmsg));
break;
default:
status = -EINVAL;
if (entry->info->indev)
if (entry->info->indev->ifindex == ifindex)
return 1;
-
+
if (entry->info->outdev)
if (entry->info->outdev->ifindex == ifindex)
return 1;
ipq_dev_drop(int ifindex)
{
struct ipq_queue_entry *entry;
-
+
while ((entry = ipq_find_dequeue_entry(dev_cmp, ifindex)) != NULL)
ipq_issue_verdict(entry, NF_DROP);
}
pid = nlh->nlmsg_pid;
flags = nlh->nlmsg_flags;
-
+
if(pid <= 0 || !(flags & NLM_F_REQUEST) || flags & NLM_F_MULTI)
RCV_SKB_FAIL(-EINVAL);
-
+
if (flags & MSG_TRUNC)
RCV_SKB_FAIL(-ECOMM);
-
+
type = nlh->nlmsg_type;
if (type < NLMSG_NOOP || type >= IPQM_MAX)
RCV_SKB_FAIL(-EINVAL);
-
+
if (type <= IPQM_BASE)
return;
-
+
if (security_netlink_recv(skb, CAP_NET_ADMIN))
- RCV_SKB_FAIL(-EPERM);
+ RCV_SKB_FAIL(-EPERM);
write_lock_bh(&queue_lock);
-
+
if (peer_pid) {
if (peer_pid != pid) {
write_unlock_bh(&queue_lock);
net_enable_timestamp();
peer_pid = pid;
}
-
+
write_unlock_bh(&queue_lock);
-
+
status = ipq_receive_peer(NLMSG_DATA(nlh), type,
- nlmsglen - NLMSG_LENGTH(0));
+ nlmsglen - NLMSG_LENGTH(0));
if (status < 0)
RCV_SKB_FAIL(status);
-
+
if (flags & NLM_F_ACK)
netlink_ack(skb, nlh, 0);
- return;
+ return;
}
static void
unsigned int qlen;
mutex_lock(&ipqnl_mutex);
-
+
for (qlen = skb_queue_len(&sk->sk_receive_queue); qlen; qlen--) {
skb = skb_dequeue(&sk->sk_receive_queue);
ipq_rcv_skb(skb);
kfree_skb(skb);
}
-
+
mutex_unlock(&ipqnl_mutex);
}
static int
ipq_rcv_dev_event(struct notifier_block *this,
- unsigned long event, void *ptr)
+ unsigned long event, void *ptr)
{
struct net_device *dev = ptr;
static int
ipq_rcv_nl_event(struct notifier_block *this,
- unsigned long event, void *ptr)
+ unsigned long event, void *ptr)
{
struct netlink_notify *n = ptr;
.mode = 0644,
.proc_handler = proc_dointvec
},
- { .ctl_name = 0 }
+ { .ctl_name = 0 }
};
static ctl_table ipq_dir_table[] = {
int len;
read_lock_bh(&queue_lock);
-
+
len = sprintf(buffer,
- "Peer PID : %d\n"
- "Copy mode : %hu\n"
- "Copy range : %u\n"
- "Queue length : %u\n"
- "Queue max. length : %u\n"
+ "Peer PID : %d\n"
+ "Copy mode : %hu\n"
+ "Copy range : %u\n"
+ "Queue length : %u\n"
+ "Queue max. length : %u\n"
"Queue dropped : %u\n"
"Netfilter dropped : %u\n",
- peer_pid,
- copy_mode,
- copy_range,
- queue_total,
- queue_maxlen,
+ peer_pid,
+ copy_mode,
+ copy_range,
+ queue_total,
+ queue_maxlen,
queue_dropped,
queue_user_dropped);
read_unlock_bh(&queue_lock);
-
+
*start = buffer + offset;
len -= offset;
if (len > length)
{
int status = -ENOMEM;
struct proc_dir_entry *proc;
-
+
netlink_register_notifier(&ipq_nl_notifier);
ipqnl = netlink_kernel_create(NETLINK_IP6_FW, 0, ipq_rcv_sk,
- THIS_MODULE);
+ THIS_MODULE);
if (ipqnl == NULL) {
printk(KERN_ERR "ip6_queue: failed to create netlink socket\n");
goto cleanup_netlink_notifier;
printk(KERN_ERR "ip6_queue: failed to create proc entry\n");
goto cleanup_ipqnl;
}
-
+
register_netdevice_notifier(&ipq_dev_notifier);
ipq_sysctl_header = register_sysctl_table(ipq_root_table, 0);
-
+
status = nf_register_queue_handler(PF_INET6, &nfqh);
if (status < 0) {
printk(KERN_ERR "ip6_queue: failed to register queue handler\n");
unregister_sysctl_table(ipq_sysctl_header);
unregister_netdevice_notifier(&ipq_dev_notifier);
proc_net_remove(IPQ_PROC_FS_NAME);
-
+
cleanup_ipqnl:
sock_release(ipqnl->sk_socket);
mutex_lock(&ipqnl_mutex);
mutex_unlock(&ipqnl_mutex);
-
+
cleanup_netlink_notifier:
netlink_unregister_notifier(&ipq_nl_notifier);
return status;
#endif
/* Check for an extension */
-int
+int
ip6t_ext_hdr(u8 nexthdr)
{
- return ( (nexthdr == IPPROTO_HOPOPTS) ||
- (nexthdr == IPPROTO_ROUTING) ||
- (nexthdr == IPPROTO_FRAGMENT) ||
- (nexthdr == IPPROTO_ESP) ||
- (nexthdr == IPPROTO_AH) ||
- (nexthdr == IPPROTO_NONE) ||
- (nexthdr == IPPROTO_DSTOPTS) );
+ return ( (nexthdr == IPPROTO_HOPOPTS) ||
+ (nexthdr == IPPROTO_ROUTING) ||
+ (nexthdr == IPPROTO_FRAGMENT) ||
+ (nexthdr == IPPROTO_ESP) ||
+ (nexthdr == IPPROTO_AH) ||
+ (nexthdr == IPPROTO_NONE) ||
+ (nexthdr == IPPROTO_DSTOPTS) );
}
/* Returns whether matches rule or not. */
#define FWINV(bool,invflg) ((bool) ^ !!(ip6info->invflags & invflg))
if (FWINV(ipv6_masked_addr_cmp(&ipv6->saddr, &ip6info->smsk,
- &ip6info->src), IP6T_INV_SRCIP)
+ &ip6info->src), IP6T_INV_SRCIP)
|| FWINV(ipv6_masked_addr_cmp(&ipv6->daddr, &ip6info->dmsk,
- &ip6info->dst), IP6T_INV_DSTIP)) {
+ &ip6info->dst), IP6T_INV_DSTIP)) {
dprintf("Source or dest mismatch.\n");
/*
dprintf("SRC: %u. Mask: %u. Target: %u.%s\n", ip->saddr,
*fragoff = _frag_off;
dprintf("Packet protocol %hi ?= %s%hi.\n",
- protohdr,
+ protohdr,
ip6info->invflags & IP6T_INV_PROTO ? "!":"",
ip6info->proto);
}
/* should be ip6 safe */
-static inline int
+static inline int
ip6_checkentry(const struct ip6t_ip6 *ipv6)
{
if (ipv6->flags & ~IP6T_F_MASK) {
e = get_entry(table_base, v);
} else {
/* Targets which reenter must return
- abs. verdicts */
+ abs. verdicts */
#ifdef CONFIG_NETFILTER_DEBUG
((struct ip6t_entry *)table_base)->comefrom
= 0xeeeeeeec;
int ret;
match = try_then_request_module(xt_find_match(AF_INET6, m->u.user.name,
- m->u.user.revision),
+ m->u.user.revision),
"ip6t_%s", m->u.user.name);
if (IS_ERR(match) || !match) {
- duprintf("check_match: `%s' not found\n", m->u.user.name);
+ duprintf("check_match: `%s' not found\n", m->u.user.name);
return match ? PTR_ERR(match) : -ENOENT;
}
m->u.kernel.match = match;
}
/* FIXME: underflows must be unconditional, standard verdicts
- < 0 (not IP6T_RETURN). --RR */
+ < 0 (not IP6T_RETURN). --RR */
/* Clear counters and comefrom */
e->counters = ((struct xt_counters) { 0, 0 });
/* Update module usage count based on number of rules */
duprintf("do_replace: oldnum=%u, initnum=%u, newnum=%u\n",
oldinfo->number, oldinfo->initial_entries, newinfo->number);
- if ((oldinfo->number > oldinfo->initial_entries) ||
- (newinfo->number <= oldinfo->initial_entries))
+ if ((oldinfo->number > oldinfo->initial_entries) ||
+ (newinfo->number <= oldinfo->initial_entries))
module_put(t->me);
if ((oldinfo->number > oldinfo->initial_entries) &&
(newinfo->number <= oldinfo->initial_entries))
}
hdrlen = 8;
} else if (nexthdr == NEXTHDR_AUTH)
- hdrlen = (hp->hdrlen + 2) << 2;
+ hdrlen = (hp->hdrlen + 2) << 2;
else
- hdrlen = ipv6_optlen(hp);
+ hdrlen = ipv6_optlen(hp);
nexthdr = hp->nexthdr;
len -= hdrlen;
-/*
+/*
* Hop Limit modification target for ip6tables
* Maciej Soltysiak <solt@dns.toxicfilms.tv>
* Based on HW's TTL module
MODULE_DESCRIPTION("IP6 tables Hop Limit modification module");
MODULE_LICENSE("GPL");
-static unsigned int ip6t_hl_target(struct sk_buff **pskb,
+static unsigned int ip6t_hl_target(struct sk_buff **pskb,
const struct net_device *in,
const struct net_device *out,
unsigned int hooknum,
struct ip6t_HL_info *info = targinfo;
if (info->mode > IP6T_HL_MAXMODE) {
- printk(KERN_WARNING "ip6t_HL: invalid or unknown Mode %u\n",
+ printk(KERN_WARNING "ip6t_HL: invalid or unknown Mode %u\n",
info->mode);
return 0;
}
}
static struct xt_target ip6t_HL = {
- .name = "HL",
+ .name = "HL",
.family = AF_INET6,
- .target = ip6t_hl_target,
+ .target = ip6t_hl_target,
.targetsize = sizeof(struct ip6t_HL_info),
.table = "mangle",
- .checkentry = ip6t_hl_checkentry,
+ .checkentry = ip6t_hl_checkentry,
.me = THIS_MODULE
};
&_ahdr);
if (ah == NULL) {
/*
- * Max length: 26 "INCOMPLETE [65535
+ * Max length: 26 "INCOMPLETE [65535
* bytes] )"
*/
printk("INCOMPLETE [%u bytes] )",
loginfo = &default_loginfo;
spin_lock_bh(&log_lock);
- printk("<%d>%sIN=%s OUT=%s ", loginfo->u.log.level,
+ printk("<%d>%sIN=%s OUT=%s ", loginfo->u.log.level,
prefix,
in ? in->name : "",
out ? out->name : "");
li.u.log.logflags = loginfo->logflags;
ip6t_log_packet(PF_INET6, hooknum, *pskb, in, out, &li,
- loginfo->prefix);
+ loginfo->prefix);
return XT_CONTINUE;
}
static struct xt_target ip6t_log_reg = {
.name = "LOG",
.family = AF_INET6,
- .target = ip6t_log_target,
+ .target = ip6t_log_target,
.targetsize = sizeof(struct ip6t_log_info),
- .checkentry = ip6t_log_checkentry,
+ .checkentry = ip6t_log_checkentry,
.me = THIS_MODULE,
};
/* WARNING: This code causes reentry within ip6tables.
This means that the ip6tables jump stack is now crap. We
must return an absolute verdict. --RR */
- switch (reject->with) {
- case IP6T_ICMP6_NO_ROUTE:
- send_unreach(*pskb, ICMPV6_NOROUTE, hooknum);
- break;
- case IP6T_ICMP6_ADM_PROHIBITED:
- send_unreach(*pskb, ICMPV6_ADM_PROHIBITED, hooknum);
- break;
- case IP6T_ICMP6_NOT_NEIGHBOUR:
- send_unreach(*pskb, ICMPV6_NOT_NEIGHBOUR, hooknum);
- break;
- case IP6T_ICMP6_ADDR_UNREACH:
- send_unreach(*pskb, ICMPV6_ADDR_UNREACH, hooknum);
- break;
- case IP6T_ICMP6_PORT_UNREACH:
- send_unreach(*pskb, ICMPV6_PORT_UNREACH, hooknum);
- break;
- case IP6T_ICMP6_ECHOREPLY:
+ switch (reject->with) {
+ case IP6T_ICMP6_NO_ROUTE:
+ send_unreach(*pskb, ICMPV6_NOROUTE, hooknum);
+ break;
+ case IP6T_ICMP6_ADM_PROHIBITED:
+ send_unreach(*pskb, ICMPV6_ADM_PROHIBITED, hooknum);
+ break;
+ case IP6T_ICMP6_NOT_NEIGHBOUR:
+ send_unreach(*pskb, ICMPV6_NOT_NEIGHBOUR, hooknum);
+ break;
+ case IP6T_ICMP6_ADDR_UNREACH:
+ send_unreach(*pskb, ICMPV6_ADDR_UNREACH, hooknum);
+ break;
+ case IP6T_ICMP6_PORT_UNREACH:
+ send_unreach(*pskb, ICMPV6_PORT_UNREACH, hooknum);
+ break;
+ case IP6T_ICMP6_ECHOREPLY:
/* Do nothing */
break;
case IP6T_TCP_RESET:
void *targinfo,
unsigned int hook_mask)
{
- const struct ip6t_reject_info *rejinfo = targinfo;
+ const struct ip6t_reject_info *rejinfo = targinfo;
const struct ip6t_entry *e = entry;
if (rejinfo->with == IP6T_ICMP6_ECHOREPLY) {
DEBUGP("IPv6 AH spi %02X ",
(spi_match(ahinfo->spis[0], ahinfo->spis[1],
- ntohl(ah->spi),
- !!(ahinfo->invflags & IP6T_AH_INV_SPI))));
+ ntohl(ah->spi),
+ !!(ahinfo->invflags & IP6T_AH_INV_SPI))));
DEBUGP("len %02X %04X %02X ",
ahinfo->hdrlen, hdrlen,
(!ahinfo->hdrlen ||
- (ahinfo->hdrlen == hdrlen) ^
- !!(ahinfo->invflags & IP6T_AH_INV_LEN)));
+ (ahinfo->hdrlen == hdrlen) ^
+ !!(ahinfo->invflags & IP6T_AH_INV_LEN)));
DEBUGP("res %02X %04X %02X\n",
ahinfo->hdrres, ah->reserved,
!(ahinfo->hdrres && ah->reserved));
return (ah != NULL)
&&
(spi_match(ahinfo->spis[0], ahinfo->spis[1],
- ntohl(ah->spi),
- !!(ahinfo->invflags & IP6T_AH_INV_SPI)))
+ ntohl(ah->spi),
+ !!(ahinfo->invflags & IP6T_AH_INV_SPI)))
&&
(!ahinfo->hdrlen ||
- (ahinfo->hdrlen == hdrlen) ^
- !!(ahinfo->invflags & IP6T_AH_INV_LEN))
+ (ahinfo->hdrlen == hdrlen) ^
+ !!(ahinfo->invflags & IP6T_AH_INV_LEN))
&&
!(ahinfo->hdrres && ah->reserved);
}
/* Called when user tries to insert an entry of this type. */
static int
checkentry(const char *tablename,
- const void *entry,
+ const void *entry,
const struct xt_match *match,
- void *matchinfo,
- unsigned int hook_mask)
+ void *matchinfo,
+ unsigned int hook_mask)
{
const struct ip6t_ah *ahinfo = matchinfo;
return (ip6h->hop_limit > info->hop_limit);
break;
default:
- printk(KERN_WARNING "ip6t_hl: unknown mode %d\n",
+ printk(KERN_WARNING "ip6t_hl: unknown mode %d\n",
info->mode);
return 0;
}
/* ipv6header match - matches IPv6 packets based
on whether they contain certain headers */
-/* Original idea: Brad Chapman
+/* Original idea: Brad Chapman
* Rewritten by: Andras Kis-Szabo <kisza@sch.bme.hu> */
/* (C) 2001-2002 Andras Kis-Szabo <kisza@sch.bme.hu>
0, NULL, { } },
{
/* PRE_ROUTING */
- { { { { { { 0 } } }, { { { 0 } } }, { { { 0 } } }, { { { 0 } } }, "", "", { 0 }, { 0 }, 0, 0, 0 },
+ { { { { { { 0 } } }, { { { 0 } } }, { { { 0 } } }, { { { 0 } } }, "", "", { 0 }, { 0 }, 0, 0, 0 },
0,
sizeof(struct ip6t_entry),
sizeof(struct ip6t_standard),
{ { { { IP6T_ALIGN(sizeof(struct ip6t_standard_target)), "" } }, { } },
-NF_ACCEPT - 1 } },
/* LOCAL_IN */
- { { { { { { 0 } } }, { { { 0 } } }, { { { 0 } } }, { { { 0 } } }, "", "", { 0 }, { 0 }, 0, 0, 0 },
+ { { { { { { 0 } } }, { { { 0 } } }, { { { 0 } } }, { { { 0 } } }, "", "", { 0 }, { 0 }, 0, 0, 0 },
0,
sizeof(struct ip6t_entry),
sizeof(struct ip6t_standard),
{ { { { IP6T_ALIGN(sizeof(struct ip6t_standard_target)), "" } }, { } },
-NF_ACCEPT - 1 } },
/* FORWARD */
- { { { { { { 0 } } }, { { { 0 } } }, { { { 0 } } }, { { { 0 } } }, "", "", { 0 }, { 0 }, 0, 0, 0 },
+ { { { { { { 0 } } }, { { { 0 } } }, { { { 0 } } }, { { { 0 } } }, "", "", { 0 }, { 0 }, 0, 0, 0 },
0,
sizeof(struct ip6t_entry),
sizeof(struct ip6t_standard),
{ { { { IP6T_ALIGN(sizeof(struct ip6t_standard_target)), "" } }, { } },
-NF_ACCEPT - 1 } },
/* LOCAL_OUT */
- { { { { { { 0 } } }, { { { 0 } } }, { { { 0 } } }, { { { 0 } } }, "", "", { 0 }, { 0 }, 0, 0, 0 },
+ { { { { { { 0 } } }, { { { 0 } } }, { { { 0 } } }, { { { 0 } } }, "", "", { 0 }, { 0 }, 0, 0, 0 },
0,
sizeof(struct ip6t_entry),
sizeof(struct ip6t_standard),
ret = ip6t_do_table(pskb, hook, in, out, &packet_mangler);
- if (ret != NF_DROP && ret != NF_STOLEN
+ if (ret != NF_DROP && ret != NF_STOLEN
&& (memcmp(&(*pskb)->nh.ipv6h->saddr, &saddr, sizeof(saddr))
|| memcmp(&(*pskb)->nh.ipv6h->daddr, &daddr, sizeof(daddr))
|| (*pskb)->mark != mark
}
};
-static struct xt_table packet_raw = {
- .name = "raw",
- .valid_hooks = RAW_VALID_HOOKS,
- .lock = RW_LOCK_UNLOCKED,
+static struct xt_table packet_raw = {
+ .name = "raw",
+ .valid_hooks = RAW_VALID_HOOKS,
+ .lock = RW_LOCK_UNLOCKED,
.me = THIS_MODULE,
.af = AF_INET6,
};
return ip6t_do_table(pskb, hook, in, out, &packet_raw);
}
-static struct nf_hook_ops ip6t_ops[] = {
+static struct nf_hook_ops ip6t_ops[] = {
{
- .hook = ip6t_hook,
+ .hook = ip6t_hook,
.pf = PF_INET6,
.hooknum = NF_IP6_PRE_ROUTING,
.priority = NF_IP6_PRI_FIRST,
.owner = THIS_MODULE,
},
{
- .hook = ip6t_hook,
- .pf = PF_INET6,
+ .hook = ip6t_hook,
+ .pf = PF_INET6,
.hooknum = NF_IP6_LOCAL_OUT,
.priority = NF_IP6_PRI_FIRST,
.owner = THIS_MODULE,
.mode = 0644,
.proc_handler = &proc_dointvec,
},
- { .ctl_name = 0 }
+ { .ctl_name = 0 }
};
#endif
if (nfattr_bad_size(tb, CTA_IP_MAX, cta_min_ip))
return -EINVAL;
- memcpy(&t->src.u3.ip6, NFA_DATA(tb[CTA_IP_V6_SRC-1]),
+ memcpy(&t->src.u3.ip6, NFA_DATA(tb[CTA_IP_V6_SRC-1]),
sizeof(u_int32_t) * 4);
memcpy(&t->dst.u3.ip6, NFA_DATA(tb[CTA_IP_V6_DST-1]),
sizeof(u_int32_t) * 4);
unsigned int hooknum)
{
/* Try to delete connection immediately after all replies:
- won't actually vanish as we still have skb, and del_timer
- means this will only run once even if count hits zero twice
- (theoretically possible with SMP) */
+ won't actually vanish as we still have skb, and del_timer
+ means this will only run once even if count hits zero twice
+ (theoretically possible with SMP) */
if (CTINFO2DIR(ctinfo) == IP_CT_DIR_REPLY) {
if (atomic_dec_and_test(&ct->proto.icmp.count)
&& del_timer(&ct->timeout))
write_lock(&nf_ct_frag6_lock);
#ifdef CONFIG_SMP
hlist_for_each_entry(fq, n, &nf_ct_frag6_hash[hash], list) {
- if (fq->id == fq_in->id &&
+ if (fq->id == fq_in->id &&
ipv6_addr_equal(&fq_in->saddr, &fq->saddr) &&
ipv6_addr_equal(&fq_in->daddr, &fq->daddr)) {
atomic_inc(&fq->refcnt);
read_lock(&nf_ct_frag6_lock);
hlist_for_each_entry(fq, n, &nf_ct_frag6_hash[hash], list) {
- if (fq->id == id &&
+ if (fq->id == id &&
ipv6_addr_equal(src, &fq->saddr) &&
ipv6_addr_equal(dst, &fq->daddr)) {
atomic_inc(&fq->refcnt);
}
-static int nf_ct_frag6_queue(struct nf_ct_frag6_queue *fq, struct sk_buff *skb,
+static int nf_ct_frag6_queue(struct nf_ct_frag6_queue *fq, struct sk_buff *skb,
struct frag_hdr *fhdr, int nhoff)
{
struct sk_buff *prev, *next;
if ((unsigned int)end > IPV6_MAXPLEN) {
DEBUGP("offset is too large.\n");
- return -1;
+ return -1;
}
- if (skb->ip_summed == CHECKSUM_COMPLETE)
- skb->csum = csum_sub(skb->csum,
- csum_partial(skb->nh.raw,
+ if (skb->ip_summed == CHECKSUM_COMPLETE)
+ skb->csum = csum_sub(skb->csum,
+ csum_partial(skb->nh.raw,
(u8*)(fhdr + 1) - skb->nh.raw,
0));
/* We have to remove fragment header from datagram and to relocate
* header in order to calculate ICV correctly. */
head->nh.raw[fq->nhoffset] = head->h.raw[0];
- memmove(head->head + sizeof(struct frag_hdr), head->head,
+ memmove(head->head + sizeof(struct frag_hdr), head->head,
(head->data - head->head) - sizeof(struct frag_hdr));
head->mac.raw += sizeof(struct frag_hdr);
head->nh.raw += sizeof(struct frag_hdr);
static int
find_prev_fhdr(struct sk_buff *skb, u8 *prevhdrp, int *prevhoff, int *fhoff)
{
- u8 nexthdr = skb->nh.ipv6h->nexthdr;
+ u8 nexthdr = skb->nh.ipv6h->nexthdr;
u8 prev_nhoff = (u8 *)&skb->nh.ipv6h->nexthdr - skb->data;
int start = (u8 *)(skb->nh.ipv6h+1) - skb->data;
int len = skb->len - start;
u8 prevhdr = NEXTHDR_IPV6;
- while (nexthdr != NEXTHDR_FRAGMENT) {
- struct ipv6_opt_hdr hdr;
- int hdrlen;
+ while (nexthdr != NEXTHDR_FRAGMENT) {
+ struct ipv6_opt_hdr hdr;
+ int hdrlen;
if (!ipv6_ext_hdr(nexthdr)) {
return -1;
}
- if (len < (int)sizeof(struct ipv6_opt_hdr)) {
+ if (len < (int)sizeof(struct ipv6_opt_hdr)) {
DEBUGP("too short\n");
return -1;
}
- if (nexthdr == NEXTHDR_NONE) {
+ if (nexthdr == NEXTHDR_NONE) {
DEBUGP("next header is none\n");
return -1;
}
- if (skb_copy_bits(skb, start, &hdr, sizeof(hdr)))
- BUG();
- if (nexthdr == NEXTHDR_AUTH)
- hdrlen = (hdr.hdrlen+2)<<2;
- else
- hdrlen = ipv6_optlen(&hdr);
+ if (skb_copy_bits(skb, start, &hdr, sizeof(hdr)))
+ BUG();
+ if (nexthdr == NEXTHDR_AUTH)
+ hdrlen = (hdr.hdrlen+2)<<2;
+ else
+ hdrlen = ipv6_optlen(&hdr);
prevhdr = nexthdr;
prev_nhoff = start;
- nexthdr = hdr.nexthdr;
- len -= hdrlen;
- start += hdrlen;
- }
+ nexthdr = hdr.nexthdr;
+ len -= hdrlen;
+ start += hdrlen;
+ }
if (len < 0)
return -1;
struct sk_buff *nf_ct_frag6_gather(struct sk_buff *skb)
{
- struct sk_buff *clone;
+ struct sk_buff *clone;
struct net_device *dev = skb->dev;
struct frag_hdr *fhdr;
struct nf_ct_frag6_queue *fq;
seq_printf(seq, "UDP6: inuse %d\n",
fold_prot_inuse(&udpv6_prot));
seq_printf(seq, "UDPLITE6: inuse %d\n",
- fold_prot_inuse(&udplitev6_prot));
+ fold_prot_inuse(&udplitev6_prot));
seq_printf(seq, "RAW6: inuse %d\n",
fold_prot_inuse(&rawv6_prot));
seq_printf(seq, "FRAG6: inuse %d memory %d\n",
/* icmpv6 mib according to RFC 2466
Exceptions: {In|Out}AdminProhibs are removed, because I see
- no good reasons to account them separately
+ no good reasons to account them separately
of another dest.unreachs.
OutErrs is zero identically.
OutEchos too.
static unsigned long
fold_field(void *mib[], int offt)
{
- unsigned long res = 0;
- int i;
-
- for_each_possible_cpu(i) {
- res += *(((unsigned long *)per_cpu_ptr(mib[0], i)) + offt);
- res += *(((unsigned long *)per_cpu_ptr(mib[1], i)) + offt);
- }
- return res;
+ unsigned long res = 0;
+ int i;
+
+ for_each_possible_cpu(i) {
+ res += *(((unsigned long *)per_cpu_ptr(mib[0], i)) + offt);
+ res += *(((unsigned long *)per_cpu_ptr(mib[1], i)) + offt);
+ }
+ return res;
}
static inline void
{
int i;
for (i=0; itemlist[i].name; i++)
- seq_printf(seq, "%-32s\t%lu\n", itemlist[i].name,
+ seq_printf(seq, "%-32s\t%lu\n", itemlist[i].name,
fold_field(mib, itemlist[i].entry));
}
/*
* Remove a protocol from the hash tables.
*/
-
+
int inet6_del_protocol(struct inet6_protocol *prot, unsigned char protocol)
{
int ret, hash = protocol & (MAX_INET_PROTOS - 1);
/*
* RAW sockets for IPv6
- * Linux INET6 implementation
+ * Linux INET6 implementation
*
* Authors:
- * Pedro Roque <roque@di.fc.ul.pt>
+ * Pedro Roque <roque@di.fc.ul.pt>
*
* Adapted from linux/net/ipv4/raw.c
*
*
* Fixes:
* Hideaki YOSHIFUJI : sin6_scope_id support
- * YOSHIFUJI,H.@USAGI : raw checksum (RFC2292(bis) compliance)
+ * YOSHIFUJI,H.@USAGI : raw checksum (RFC2292(bis) compliance)
* Kazunori MIYAZAWA @USAGI: change process style to use ip6_append_data
*
* This program is free software; you can redistribute it and/or
write_lock_bh(&raw_v6_lock);
sk_add_node(sk, list);
sock_prot_inc_use(sk->sk_prot);
- write_unlock_bh(&raw_v6_lock);
+ write_unlock_bh(&raw_v6_lock);
}
static void raw_v6_unhash(struct sock *sk)
{
- write_lock_bh(&raw_v6_lock);
+ write_lock_bh(&raw_v6_lock);
if (sk_del_node_init(sk))
sock_prot_dec_use(sk->sk_prot);
write_unlock_bh(&raw_v6_lock);
*/
sk->sk_bound_dev_if = addr->sin6_scope_id;
}
-
+
/* Binding to link-local address requires an interface */
if (!sk->sk_bound_dev_if)
goto out;
goto out;
}
}
-
+
/* ipv4 addr of the socket is invalid. Only the
* unspecified and mapped address have a v4 equivalent.
*/
static inline int rawv6_rcv_skb(struct sock * sk, struct sk_buff * skb)
{
- if ((raw6_sk(sk)->checksum || sk->sk_filter) &&
+ if ((raw6_sk(sk)->checksum || sk->sk_filter) &&
skb_checksum_complete(skb)) {
/* FIXME: increment a raw6 drops counter here */
kfree_skb(skb);
}
/*
- * This is next to useless...
+ * This is next to useless...
* if we demultiplex in network layer we don't need the extra call
- * just to queue the skb...
- * maybe we could have the network decide upon a hint if it
+ * just to queue the skb...
+ * maybe we could have the network decide upon a hint if it
* should call raw_rcv for demultiplexing
*/
int rawv6_rcv(struct sock *sk, struct sk_buff *skb)
struct inet_sock *inet = inet_sk(sk);
struct raw6_sock *rp = raw6_sk(sk);
- if (!xfrm6_policy_check(sk, XFRM_POLICY_IN, skb)) {
- kfree_skb(skb);
- return NET_RX_DROP;
- }
+ if (!xfrm6_policy_check(sk, XFRM_POLICY_IN, skb)) {
+ kfree_skb(skb);
+ return NET_RX_DROP;
+ }
if (!rp->checksum)
skb->ip_summed = CHECKSUM_UNNECESSARY;
if (skb->ip_summed == CHECKSUM_COMPLETE) {
skb_postpull_rcsum(skb, skb->nh.raw,
- skb->h.raw - skb->nh.raw);
+ skb->h.raw - skb->nh.raw);
if (!csum_ipv6_magic(&skb->nh.ipv6h->saddr,
&skb->nh.ipv6h->daddr,
skb->len, inet->num, skb->csum))
if (flags & MSG_OOB)
return -EOPNOTSUPP;
-
- if (addr_len)
+
+ if (addr_len)
*addr_len=sizeof(*sin6);
if (flags & MSG_ERRQUEUE)
goto out;
copied = skb->len;
- if (copied > len) {
- copied = len;
- msg->msg_flags |= MSG_TRUNC;
- }
+ if (copied > len) {
+ copied = len;
+ msg->msg_flags |= MSG_TRUNC;
+ }
if (skb->ip_summed==CHECKSUM_UNNECESSARY) {
err = skb_copy_datagram_iovec(skb, 0, msg->msg_iov, copied);
}
static int rawv6_send_hdrinc(struct sock *sk, void *from, int length,
- struct flowi *fl, struct rt6_info *rt,
+ struct flowi *fl, struct rt6_info *rt,
unsigned int flags)
{
struct ipv6_pinfo *np = inet6_sk(sk);
skb = sock_alloc_send_skb(sk, length+hh_len+15,
flags&MSG_DONTWAIT, &err);
if (skb == NULL)
- goto error;
+ goto error;
skb_reserve(skb, hh_len);
skb->priority = sk->sk_priority;
kfree_skb(skb);
error:
IP6_INC_STATS(rt->rt6i_idev, IPSTATS_MIB_OUTDISCARDS);
- return err;
+ return err;
}
static int rawv6_probe_proto_opt(struct flowi *fl, struct msghdr *msg)
return -EMSGSIZE;
/* Mirror BSD error message compatibility */
- if (msg->msg_flags & MSG_OOB)
+ if (msg->msg_flags & MSG_OOB)
return -EOPNOTSUPP;
/*
- * Get and verify the address.
+ * Get and verify the address.
*/
memset(&fl, 0, sizeof(fl));
if (sin6) {
- if (addr_len < SIN6_LEN_RFC2133)
+ if (addr_len < SIN6_LEN_RFC2133)
return -EINVAL;
- if (sin6->sin6_family && sin6->sin6_family != AF_INET6)
+ if (sin6->sin6_family && sin6->sin6_family != AF_INET6)
return(-EAFNOSUPPORT);
/* port is the proto value [0..255] carried in nexthdr */
ipv6_addr_type(daddr)&IPV6_ADDR_LINKLOCAL)
fl.oif = sin6->sin6_scope_id;
} else {
- if (sk->sk_state != TCP_ESTABLISHED)
+ if (sk->sk_state != TCP_ESTABLISHED)
return -EDESTADDRREQ;
-
+
proto = inet->num;
daddr = &np->daddr;
fl.fl6_flowlabel = np->flow_label;
}
if (ipv6_addr_any(daddr)) {
- /*
- * unspecified destination address
+ /*
+ * unspecified destination address
* treated as error... is this correct ?
*/
fl6_sock_release(flowlabel);
err = rawv6_probe_proto_opt(&fl, msg);
if (err)
goto out;
-
+
ipv6_addr_copy(&fl.fl6_dst, daddr);
if (ipv6_addr_any(&fl.fl6_src) && !ipv6_addr_any(&np->saddr))
ipv6_addr_copy(&fl.fl6_src, &np->saddr);
dst_release(dst);
if (!inet->hdrincl)
release_sock(sk);
-out:
+out:
fl6_sock_release(flowlabel);
return err<0?err:len;
do_confirm:
goto done;
}
-static int rawv6_seticmpfilter(struct sock *sk, int level, int optname,
+static int rawv6_seticmpfilter(struct sock *sk, int level, int optname,
char __user *optval, int optlen)
{
switch (optname) {
return 0;
}
-static int rawv6_geticmpfilter(struct sock *sk, int level, int optname,
+static int rawv6_geticmpfilter(struct sock *sk, int level, int optname,
char __user *optval, int __user *optlen)
{
int len;
struct raw6_sock *rp = raw6_sk(sk);
int val;
- if (get_user(val, (int __user *)optval))
+ if (get_user(val, (int __user *)optval))
return -EFAULT;
switch (optname) {
src->s6_addr32[2], src->s6_addr32[3], srcp,
dest->s6_addr32[0], dest->s6_addr32[1],
dest->s6_addr32[2], dest->s6_addr32[3], destp,
- sp->sk_state,
+ sp->sk_state,
atomic_read(&sp->sk_wmem_alloc),
atomic_read(&sp->sk_rmem_alloc),
0, 0L, 0,
/*
* IPv6 fragment reassembly
- * Linux INET6 implementation
+ * Linux INET6 implementation
*
* Authors:
- * Pedro Roque <roque@di.fc.ul.pt>
+ * Pedro Roque <roque@di.fc.ul.pt>
*
* $Id: reassembly.c,v 1.26 2001/03/07 22:00:57 davem Exp $
*
* 2 of the License, or (at your option) any later version.
*/
-/*
- * Fixes:
+/*
+ * Fixes:
* Andi Kleen Make it work with multiple hosts.
* More RFC compliance.
*
hash = ip6qhashfn(fq_in->id, &fq_in->saddr, &fq_in->daddr);
#ifdef CONFIG_SMP
hlist_for_each_entry(fq, n, &ip6_frag_hash[hash], list) {
- if (fq->id == fq_in->id &&
+ if (fq->id == fq_in->id &&
ipv6_addr_equal(&fq_in->saddr, &fq->saddr) &&
ipv6_addr_equal(&fq_in->daddr, &fq->daddr)) {
atomic_inc(&fq->refcnt);
read_lock(&ip6_frag_lock);
hash = ip6qhashfn(id, src, dst);
hlist_for_each_entry(fq, n, &ip6_frag_hash[hash], list) {
- if (fq->id == id &&
+ if (fq->id == id &&
ipv6_addr_equal(src, &fq->saddr) &&
ipv6_addr_equal(dst, &fq->daddr)) {
atomic_inc(&fq->refcnt);
}
-static void ip6_frag_queue(struct frag_queue *fq, struct sk_buff *skb,
+static void ip6_frag_queue(struct frag_queue *fq, struct sk_buff *skb,
struct frag_hdr *fhdr, int nhoff)
{
struct sk_buff *prev, *next;
if ((unsigned int)end > IPV6_MAXPLEN) {
IP6_INC_STATS_BH(ip6_dst_idev(skb->dst),
IPSTATS_MIB_INHDRERRORS);
- icmpv6_param_prob(skb,ICMPV6_HDR_FIELD, (u8*)&fhdr->frag_off - skb->nh.raw);
- return;
+ icmpv6_param_prob(skb,ICMPV6_HDR_FIELD, (u8*)&fhdr->frag_off - skb->nh.raw);
+ return;
}
- if (skb->ip_summed == CHECKSUM_COMPLETE)
- skb->csum = csum_sub(skb->csum,
- csum_partial(skb->nh.raw, (u8*)(fhdr+1)-skb->nh.raw, 0));
+ if (skb->ip_summed == CHECKSUM_COMPLETE)
+ skb->csum = csum_sub(skb->csum,
+ csum_partial(skb->nh.raw, (u8*)(fhdr+1)-skb->nh.raw, 0));
/* Is this the final fragment? */
if (!(fhdr->frag_off & htons(IP6_MF))) {
*/
IP6_INC_STATS_BH(ip6_dst_idev(skb->dst),
IPSTATS_MIB_INHDRERRORS);
- icmpv6_param_prob(skb, ICMPV6_HDR_FIELD,
+ icmpv6_param_prob(skb, ICMPV6_HDR_FIELD,
offsetof(struct ipv6hdr, payload_len));
return;
}
/* Point into the IP datagram 'data' part. */
if (!pskb_pull(skb, (u8 *) (fhdr + 1) - skb->data))
goto err;
-
+
if (pskb_trim_rcsum(skb, end - offset))
goto err;
* header in order to calculate ICV correctly. */
nhoff = fq->nhoffset;
head->nh.raw[nhoff] = head->h.raw[0];
- memmove(head->head + sizeof(struct frag_hdr), head->head,
+ memmove(head->head + sizeof(struct frag_hdr), head->head,
(head->data - head->head) - sizeof(struct frag_hdr));
head->mac.raw += sizeof(struct frag_hdr);
head->nh.raw += sizeof(struct frag_hdr);
static int ipv6_frag_rcv(struct sk_buff **skbp)
{
- struct sk_buff *skb = *skbp;
+ struct sk_buff *skb = *skbp;
struct net_device *dev = skb->dev;
struct frag_hdr *fhdr;
struct frag_queue *fq;
* FIB front-end.
*
* Authors:
- * Pedro Roque <roque@di.fc.ul.pt>
+ * Pedro Roque <roque@di.fc.ul.pt>
*
* $Id: route.c,v 1.56 2001/10/31 21:55:55 davem Exp $
*
if (idev != NULL) {
rt->rt6i_idev = NULL;
in6_dev_put(idev);
- }
+ }
}
static void ip6_dst_ifdown(struct dst_entry *dst, struct net_device *dev,
sprt->rt6i_idev->dev->ifindex != oif) {
if (strict && oif)
continue;
- if (local && (!oif ||
+ if (local && (!oif ||
local->rt6i_idev->dev->ifindex == oif))
continue;
}
int strict)
{
int m, n;
-
+
m = rt6_check_dev(rt, oif);
if (!m && (strict & RT6_LOOKUP_F_IFACE))
return -1;
.flowlabel = (* (__be32 *) iph)&IPV6_FLOWINFO_MASK,
},
},
- .mark = skb->mark,
+ .mark = skb->mark,
.proto = iph->nexthdr,
};
mtu = ip6_rt_min_advmss;
/*
- * Maximal non-jumbo IPv6 payload is IPV6_MAXPLEN and
- * corresponding MSS is IPV6_MAXPLEN - tcp_header_size.
- * IPV6_MAXPLEN is also valid and means: "any MSS,
+ * Maximal non-jumbo IPv6 payload is IPV6_MAXPLEN and
+ * corresponding MSS is IPV6_MAXPLEN - tcp_header_size.
+ * IPV6_MAXPLEN is also valid and means: "any MSS,
* rely only on pmtu discovery"
*/
if (mtu > IPV6_MAXPLEN - sizeof(struct tcphdr))
static struct dst_entry *ndisc_dst_gc_list;
static DEFINE_SPINLOCK(ndisc_lock);
-struct dst_entry *ndisc_dst_alloc(struct net_device *dev,
+struct dst_entry *ndisc_dst_alloc(struct net_device *dev,
struct neighbour *neigh,
struct in6_addr *addr,
int (*output)(struct sk_buff *))
rt->u.dst.output = output;
#if 0 /* there's no chance to use these for ndisc */
- rt->u.dst.flags = ipv6_addr_type(addr) & IPV6_ADDR_UNICAST
- ? DST_HOST
+ rt->u.dst.flags = ipv6_addr_type(addr) & IPV6_ADDR_UNICAST
+ ? DST_HOST
: 0;
ipv6_addr_copy(&rt->rt6i_dst.addr, addr);
rt->rt6i_dst.plen = 128;
int freed;
next = NULL;
- freed = 0;
+ freed = 0;
spin_lock_bh(&ndisc_lock);
pprev = &ndisc_dst_gc_list;
fn = fib6_locate(&table->tb6_root,
&cfg->fc_dst, cfg->fc_dst_len,
&cfg->fc_src, cfg->fc_src_len);
-
+
if (fn) {
for (rt = fn->leaf; rt; rt = rt->u.next) {
if (cfg->fc_ifindex &&
* We have finally decided to accept it.
*/
- neigh_update(neigh, lladdr, NUD_STALE,
+ neigh_update(neigh, lladdr, NUD_STALE,
NEIGH_UPDATE_F_WEAK_OVERRIDE|
NEIGH_UPDATE_F_OVERRIDE|
(on_link ? 0 : (NEIGH_UPDATE_F_OVERRIDE_ISROUTER|
}
out:
- dst_release(&rt->u.dst);
+ dst_release(&rt->u.dst);
return;
}
if (pmtu < IPV6_MIN_MTU) {
/*
- * According to RFC2460, PMTU is set to the IPv6 Minimum Link
+ * According to RFC2460, PMTU is set to the IPv6 Minimum Link
* MTU (1280) and a fragment header should always be included
* after a node receiving Too Big message reporting PMTU is
* less than the IPv6 Minimum Link MTU.
#endif
struct rt6_info *rt6_get_dflt_router(struct in6_addr *addr, struct net_device *dev)
-{
+{
struct rt6_info *rt;
struct fib6_table *table;
*/
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) > 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(arg->mtu);
if (dst) {
NLA_PUT(skb, RTA_DST, 16, dst);
- rtm->rtm_dst_len = 128;
+ rtm->rtm_dst_len = 128;
} else if (rtm->rtm_dst_len)
NLA_PUT(skb, RTA_DST, 16, &rt->rt6i_dst.addr);
#ifdef CONFIG_IPV6_SUBTREES
if (src) {
NLA_PUT(skb, RTA_SRC, 16, src);
- rtm->rtm_src_len = 128;
+ rtm->rtm_src_len = 128;
} else if (rtm->rtm_src_len)
NLA_PUT(skb, RTA_SRC, 16, &rt->rt6i_src.addr);
#endif
arg->len += sprintf(arg->buffer + arg->len,
" %08x %08x %08x %08x %8s\n",
rt->rt6i_metric, atomic_read(&rt->u.dst.__refcnt),
- rt->u.dst.__use, rt->rt6i_flags,
+ rt->u.dst.__use, rt->rt6i_flags,
rt->rt6i_dev ? rt->rt6i_dev->name : "");
return 0;
}
}
ctl_table ipv6_route_table[] = {
- {
- .ctl_name = NET_IPV6_ROUTE_FLUSH,
+ {
+ .ctl_name = NET_IPV6_ROUTE_FLUSH,
.procname = "flush",
- .data = &flush_delay,
+ .data = &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,
.procname = "gc_thresh",
- .data = &ip6_dst_ops.gc_thresh,
+ .data = &ip6_dst_ops.gc_thresh,
.maxlen = sizeof(int),
.mode = 0644,
- .proc_handler = &proc_dointvec,
+ .proc_handler = &proc_dointvec,
},
{
.ctl_name = NET_IPV6_ROUTE_MAX_SIZE,
.procname = "max_size",
- .data = &ip6_rt_max_size,
+ .data = &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,
.procname = "gc_min_interval",
- .data = &ip6_rt_gc_min_interval,
+ .data = &ip6_rt_gc_min_interval,
.maxlen = sizeof(int),
.mode = 0644,
- .proc_handler = &proc_dointvec_jiffies,
+ .proc_handler = &proc_dointvec_jiffies,
.strategy = &sysctl_jiffies,
},
{
.ctl_name = NET_IPV6_ROUTE_GC_TIMEOUT,
.procname = "gc_timeout",
- .data = &ip6_rt_gc_timeout,
+ .data = &ip6_rt_gc_timeout,
.maxlen = sizeof(int),
.mode = 0644,
- .proc_handler = &proc_dointvec_jiffies,
+ .proc_handler = &proc_dointvec_jiffies,
.strategy = &sysctl_jiffies,
},
{
.ctl_name = NET_IPV6_ROUTE_GC_INTERVAL,
.procname = "gc_interval",
- .data = &ip6_rt_gc_interval,
+ .data = &ip6_rt_gc_interval,
.maxlen = sizeof(int),
.mode = 0644,
- .proc_handler = &proc_dointvec_jiffies,
+ .proc_handler = &proc_dointvec_jiffies,
.strategy = &sysctl_jiffies,
},
{
.ctl_name = NET_IPV6_ROUTE_GC_ELASTICITY,
.procname = "gc_elasticity",
- .data = &ip6_rt_gc_elasticity,
+ .data = &ip6_rt_gc_elasticity,
.maxlen = sizeof(int),
.mode = 0644,
- .proc_handler = &proc_dointvec_jiffies,
+ .proc_handler = &proc_dointvec_jiffies,
.strategy = &sysctl_jiffies,
},
{
.ctl_name = NET_IPV6_ROUTE_MTU_EXPIRES,
.procname = "mtu_expires",
- .data = &ip6_rt_mtu_expires,
+ .data = &ip6_rt_mtu_expires,
.maxlen = sizeof(int),
.mode = 0644,
- .proc_handler = &proc_dointvec_jiffies,
+ .proc_handler = &proc_dointvec_jiffies,
.strategy = &sysctl_jiffies,
},
{
.ctl_name = NET_IPV6_ROUTE_MIN_ADVMSS,
.procname = "min_adv_mss",
- .data = &ip6_rt_min_advmss,
+ .data = &ip6_rt_min_advmss,
.maxlen = sizeof(int),
.mode = 0644,
- .proc_handler = &proc_dointvec_jiffies,
+ .proc_handler = &proc_dointvec_jiffies,
.strategy = &sysctl_jiffies,
},
{
.ctl_name = NET_IPV6_ROUTE_GC_MIN_INTERVAL_MS,
.procname = "gc_min_interval_ms",
- .data = &ip6_rt_gc_min_interval,
+ .data = &ip6_rt_gc_min_interval,
.maxlen = sizeof(int),
.mode = 0644,
- .proc_handler = &proc_dointvec_ms_jiffies,
+ .proc_handler = &proc_dointvec_ms_jiffies,
.strategy = &sysctl_ms_jiffies,
},
{ .ctl_name = 0 }
* Linux INET6 implementation
*
* Authors:
- * Pedro Roque <roque@di.fc.ul.pt>
+ * Pedro Roque <roque@di.fc.ul.pt>
* Alexey Kuznetsov <kuznet@ms2.inr.ac.ru>
*
* $Id: sit.c,v 1.53 2001/09/25 05:09:53 davem Exp $
__be32 dst = 0;
if (v6dst->s6_addr16[0] == htons(0x2002)) {
- /* 6to4 v6 addr has 16 bits prefix, 32 v4addr, 16 SLA, ... */
+ /* 6to4 v6 addr has 16 bits prefix, 32 v4addr, 16 SLA, ... */
memcpy(&dst, &v6dst->s6_addr16[1], 4);
}
return dst;
int max_headroom; /* The extra header space needed */
__be32 dst = tiph->daddr;
int mtu;
- struct in6_addr *addr6;
+ struct in6_addr *addr6;
int addr_type;
if (tunnel->recursion++) {
struct sk_buff *new_skb = skb_realloc_headroom(skb, max_headroom);
if (!new_skb) {
ip_rt_put(rt);
- stats->tx_dropped++;
+ stats->tx_dropped++;
dev_kfree_skb(skb);
tunnel->recursion--;
return 0;
return -EAGAIN;
}
- ipip6_fb_tunnel_dev = alloc_netdev(sizeof(struct ip_tunnel), "sit0",
+ ipip6_fb_tunnel_dev = alloc_netdev(sizeof(struct ip_tunnel), "sit0",
ipip6_tunnel_setup);
if (!ipip6_fb_tunnel_dev) {
err = -ENOMEM;
.mode = 0555,
.child = ipv6_table
},
- { .ctl_name = 0 }
+ { .ctl_name = 0 }
};
static ctl_table ipv6_root_table[] = {
.mode = 0555,
.child = ipv6_net_table
},
- { .ctl_name = 0 }
+ { .ctl_name = 0 }
};
void ipv6_sysctl_register(void)
/*
* TCP over IPv6
- * Linux INET6 implementation
+ * Linux INET6 implementation
*
* Authors:
- * Pedro Roque <roque@di.fc.ul.pt>
+ * Pedro Roque <roque@di.fc.ul.pt>
*
* $Id: tcp_ipv6.c,v 1.144 2002/02/01 22:01:04 davem Exp $
*
- * Based on:
+ * Based on:
* linux/net/ipv4/tcp.c
* linux/net/ipv4/tcp_input.c
* linux/net/ipv4/tcp_output.c
static void tcp_v6_send_reset(struct sock *sk, struct sk_buff *skb);
static void tcp_v6_reqsk_send_ack(struct sk_buff *skb, struct request_sock *req);
-static void tcp_v6_send_check(struct sock *sk, int len,
+static void tcp_v6_send_check(struct sock *sk, int len,
struct sk_buff *skb);
static int tcp_v6_do_rcv(struct sock *sk, struct sk_buff *skb);
}
static __inline__ __sum16 tcp_v6_check(struct tcphdr *th, int len,
- struct in6_addr *saddr,
- struct in6_addr *daddr,
+ struct in6_addr *saddr,
+ struct in6_addr *daddr,
__wsum base)
{
return csum_ipv6_magic(saddr, daddr, len, IPPROTO_TCP, base);
skb->h.th->source);
}
-static int tcp_v6_connect(struct sock *sk, struct sockaddr *uaddr,
+static int tcp_v6_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 inet_sock *inet = inet_sk(sk);
struct inet_connection_sock *icsk = inet_csk(sk);
struct ipv6_pinfo *np = inet6_sk(sk);
struct tcp_sock *tp = tcp_sk(sk);
int addr_type;
int err;
- if (addr_len < SIN6_LEN_RFC2133)
+ if (addr_len < SIN6_LEN_RFC2133)
return -EINVAL;
- if (usin->sin6_family != AF_INET6)
+ if (usin->sin6_family != AF_INET6)
return(-EAFNOSUPPORT);
memset(&fl, 0, sizeof(fl));
}
/*
- * connect() to INADDR_ANY means loopback (BSD'ism).
- */
-
- if(ipv6_addr_any(&usin->sin6_addr))
- usin->sin6_addr.s6_addr[15] = 0x1;
+ * connect() to INADDR_ANY means loopback (BSD'ism).
+ */
+
+ if(ipv6_addr_any(&usin->sin6_addr))
+ usin->sin6_addr.s6_addr[15] = 0x1;
addr_type = ipv6_addr_type(&usin->sin6_addr);
struct ipv6_pinfo *np;
struct sock *sk;
int err;
- struct tcp_sock *tp;
+ struct tcp_sock *tp;
__u32 seq;
sk = inet6_lookup(&tcp_hashinfo, &hdr->daddr, th->dest, &hdr->saddr,
goto out;
tp = tcp_sk(sk);
- seq = ntohl(th->seq);
+ seq = ntohl(th->seq);
if (sk->sk_state != TCP_LISTEN &&
!between(seq, tp->snd_una, tp->snd_nxt)) {
NET_INC_STATS_BH(LINUX_MIB_OUTOFWINDOWICMPS);
case TCP_SYN_SENT:
case TCP_SYN_RECV: /* Cannot happen.
- It can, it SYNs are crossed. --ANK */
+ It can, it SYNs are crossed. --ANK */
if (!sock_owned_by_user(sk)) {
sk->sk_err = err;
sk->sk_error_report(sk); /* Wake people up to see the error (see connect in sock.c) */
}
done:
- if (opt && opt != np->opt)
+ if (opt && opt != np->opt)
sock_kfree_s(sk, opt, opt->tot_len);
dst_release(dst);
return err;
th->check = ~csum_ipv6_magic(&np->saddr, &np->daddr, len, IPPROTO_TCP, 0);
skb->csum_offset = offsetof(struct tcphdr, check);
} else {
- th->check = csum_ipv6_magic(&np->saddr, &np->daddr, len, IPPROTO_TCP,
- csum_partial((char *)th, th->doff<<2,
+ th->check = csum_ipv6_magic(&np->saddr, &np->daddr, len, IPPROTO_TCP,
+ csum_partial((char *)th, th->doff<<2,
skb->csum));
}
}
static void tcp_v6_send_reset(struct sock *sk, struct sk_buff *skb)
{
- struct tcphdr *th = skb->h.th, *t1;
+ struct tcphdr *th = skb->h.th, *t1;
struct sk_buff *buff;
struct flowi fl;
int tot_len = sizeof(*th);
return;
if (!ipv6_unicast_destination(skb))
- return;
+ return;
#ifdef CONFIG_TCP_MD5SIG
if (sk)
buff = alloc_skb(MAX_HEADER + sizeof(struct ipv6hdr) + tot_len,
GFP_ATOMIC);
- if (buff == NULL)
- return;
+ if (buff == NULL)
+ return;
skb_reserve(buff, MAX_HEADER + sizeof(struct ipv6hdr) + tot_len);
t1->source = th->dest;
t1->doff = tot_len / 4;
t1->rst = 1;
-
+
if(th->ack) {
- t1->seq = th->ack_seq;
+ t1->seq = th->ack_seq;
} else {
t1->ack = 1;
t1->ack_seq = htonl(ntohl(th->seq) + th->syn + th->fin
t1->window = htons(win);
topt = (__be32 *)(t1 + 1);
-
+
if (ts) {
*topt++ = htonl((TCPOPT_NOP << 24) | (TCPOPT_NOP << 16) |
(TCPOPT_TIMESTAMP << 8) | TCPOLEN_TIMESTAMP);
return tcp_v4_conn_request(sk, skb);
if (!ipv6_unicast_destination(skb))
- goto drop;
+ goto drop;
/*
- * There are no SYN attacks on IPv6, yet...
+ * There are no SYN attacks on IPv6, yet...
*/
if (inet_csk_reqsk_queue_is_full(sk) && !isn) {
if (net_ratelimit())
printk(KERN_INFO "TCPv6: dropping request, synflood is possible\n");
- goto drop;
+ goto drop;
}
if (sk_acceptq_is_full(sk) && inet_csk_reqsk_queue_young(sk) > 1)
ipv6_addr_type(&treq->rmt_addr) & IPV6_ADDR_LINKLOCAL)
treq->iif = inet6_iif(skb);
- if (isn == 0)
+ if (isn == 0)
isn = tcp_v6_init_sequence(skb);
tcp_rsk(req)->snt_isn = isn;
newsk = tcp_v4_syn_recv_sock(sk, skb, req, dst);
- if (newsk == NULL)
+ if (newsk == NULL)
return NULL;
newtcp6sk = (struct tcp6_sock *)newsk;
if ((xfrm_lookup(&dst, &fl, sk, 0)) < 0)
goto out;
- }
+ }
newsk = tcp_create_openreq_child(sk, req, skb);
if (newsk == NULL)
ipv6_addr_copy(&newnp->rcv_saddr, &treq->loc_addr);
newsk->sk_bound_dev_if = treq->iif;
- /* Now IPv6 options...
+ /* Now IPv6 options...
First: no IPv4 options.
*/
looks not very well thought. For now we latch
options, received in the last packet, enqueued
by tcp. Feel free to propose better solution.
- --ANK (980728)
+ --ANK (980728)
*/
if (np->rxopt.all)
opt_skb = skb_clone(skb, GFP_ATOMIC);
if (skb->len < (skb->h.th->doff<<2) || tcp_checksum_complete(skb))
goto csum_err;
- if (sk->sk_state == TCP_LISTEN) {
+ if (sk->sk_state == TCP_LISTEN) {
struct sock *nsk = tcp_v6_hnd_req(sk, skb);
if (!nsk)
goto discard;
* otherwise we just shortcircuit this and continue with
* the new socket..
*/
- if(nsk != sk) {
+ if(nsk != sk) {
if (tcp_child_process(sk, nsk, skb))
goto reset;
if (opt_skb)
static int tcp_v6_rcv(struct sk_buff **pskb)
{
struct sk_buff *skb = *pskb;
- struct tcphdr *th;
+ struct tcphdr *th;
struct sock *sk;
int ret;
ret = 0;
if (!sock_owned_by_user(sk)) {
#ifdef CONFIG_NET_DMA
- struct tcp_sock *tp = tcp_sk(sk);
- if (tp->ucopy.dma_chan)
- ret = tcp_v6_do_rcv(sk, skb);
- else
+ struct tcp_sock *tp = tcp_sk(sk);
+ if (tp->ucopy.dma_chan)
+ ret = tcp_v6_do_rcv(sk, skb);
+ else
#endif
{
if (!tcp_prequeue(sk, skb))
}
/* Proc filesystem TCPv6 sock list dumping. */
-static void get_openreq6(struct seq_file *seq,
+static void get_openreq6(struct seq_file *seq,
struct sock *sk, struct request_sock *req, int i, int uid)
{
int ttd = req->expires - jiffies;
ntohs(inet_rsk(req)->rmt_port),
TCP_SYN_RECV,
0,0, /* could print option size, but that is af dependent. */
- 1, /* timers active (only the expire timer) */
- jiffies_to_clock_t(ttd),
+ 1, /* timers active (only the expire timer) */
+ jiffies_to_clock_t(ttd),
req->retrans,
uid,
- 0, /* non standard timer */
+ 0, /* non standard timer */
0, /* open_requests have no inode */
0, req);
}
src->s6_addr32[2], src->s6_addr32[3], srcp,
dest->s6_addr32[0], dest->s6_addr32[1],
dest->s6_addr32[2], dest->s6_addr32[3], destp,
- sp->sk_state,
+ sp->sk_state,
tp->write_seq-tp->snd_una,
(sp->sk_state == TCP_LISTEN) ? sp->sk_ack_backlog : (tp->rcv_nxt - tp->copied_seq),
timer_active,
);
}
-static void get_timewait6_sock(struct seq_file *seq,
+static void get_timewait6_sock(struct seq_file *seq,
struct inet_timewait_sock *tw, int i)
{
struct in6_addr *dest, *src;
/*
* UDP over IPv6
- * Linux INET6 implementation
+ * Linux INET6 implementation
*
* Authors:
- * Pedro Roque <roque@di.fc.ul.pt>
+ * Pedro Roque <roque@di.fc.ul.pt>
*
* Based on linux/ipv4/udp.c
*
unsigned short hnum = ntohs(dport);
int badness = -1;
- read_lock(&udp_hash_lock);
+ read_lock(&udp_hash_lock);
sk_for_each(sk, node, &udptable[hnum & (UDP_HTABLE_SIZE - 1)]) {
struct inet_sock *inet = inet_sk(sk);
}
if (result)
sock_hold(result);
- read_unlock(&udp_hash_lock);
+ read_unlock(&udp_hash_lock);
return result;
}
{
struct ipv6_pinfo *np = inet6_sk(sk);
struct inet_sock *inet = inet_sk(sk);
- struct sk_buff *skb;
+ struct sk_buff *skb;
size_t copied;
int err, copy_only, is_udplite = IS_UDPLITE(sk);
- if (addr_len)
- *addr_len=sizeof(struct sockaddr_in6);
-
+ if (addr_len)
+ *addr_len=sizeof(struct sockaddr_in6);
+
if (flags & MSG_ERRQUEUE)
return ipv6_recv_error(sk, msg, len);
if (!skb)
goto out;
- copied = skb->len - sizeof(struct udphdr);
- if (copied > len) {
- copied = len;
- msg->msg_flags |= MSG_TRUNC;
- }
+ copied = skb->len - sizeof(struct udphdr);
+ if (copied > len) {
+ copied = len;
+ msg->msg_flags |= MSG_TRUNC;
+ }
/*
* Decide whether to checksum and/or copy data.
/* Copy the address. */
if (msg->msg_name) {
struct sockaddr_in6 *sin6;
-
+
sin6 = (struct sockaddr_in6 *) msg->msg_name;
sin6->sin6_family = AF_INET6;
sin6->sin6_port = skb->h.uh->source;
} else {
if (np->rxopt.all)
datagram_recv_ctl(sk, msg, skb);
- }
+ }
err = copied;
if (flags & MSG_TRUNC)
* so we don't need to lock the hashes.
*/
static int __udp6_lib_mcast_deliver(struct sk_buff *skb, struct in6_addr *saddr,
- struct in6_addr *daddr, struct hlist_head udptable[])
+ struct in6_addr *daddr, struct hlist_head udptable[])
{
struct sock *sk, *sk2;
const struct udphdr *uh = skb->h.uh;
}
if (skb->ip_summed == CHECKSUM_COMPLETE &&
!csum_ipv6_magic(&skb->nh.ipv6h->saddr, &skb->nh.ipv6h->daddr,
- skb->len, IPPROTO_UDP, skb->csum ))
+ skb->len, IPPROTO_UDP, skb->csum ))
skb->ip_summed = CHECKSUM_UNNECESSARY;
if (skb->ip_summed != CHECKSUM_UNNECESSARY)
{
struct sk_buff *skb = *pskb;
struct sock *sk;
- struct udphdr *uh;
+ struct udphdr *uh;
struct net_device *dev = skb->dev;
struct in6_addr *saddr, *daddr;
u32 ulen = 0;
goto discard;
}
- /*
- * Multicast receive code
+ /*
+ * Multicast receive code
*/
if (ipv6_addr_is_multicast(daddr))
return __udp6_lib_mcast_deliver(skb, saddr, daddr, udptable);
/* Unicast */
- /*
+ /*
* check socket cache ... must talk to Alan about his plans
* for sock caches... i'll skip this for now.
*/
kfree_skb(skb);
return(0);
}
-
+
/* deliver */
-
+
udpv6_queue_rcv_skb(sk, skb);
sock_put(sk);
return(0);
-short_packet:
+short_packet:
LIMIT_NETDEBUG(KERN_DEBUG "UDP%sv6: short packet: %d/%u\n",
is_udplite? "-Lite" : "", ulen, skb->len);
discard:
UDP6_INC_STATS_BH(UDP_MIB_INERRORS, is_udplite);
kfree_skb(skb);
- return(0);
+ return(0);
}
static __inline__ int udpv6_rcv(struct sk_buff **pskb)
up->len = 0;
up->pending = 0;
ip6_flush_pending_frames(sk);
- }
+ }
}
/*
if (sk->sk_state != TCP_ESTABLISHED)
return -EDESTADDRREQ;
daddr = &np->daddr;
- } else
+ } else
daddr = NULL;
if (daddr) {
*/
if (len > INT_MAX - sizeof(struct udphdr))
return -EMSGSIZE;
-
+
if (up->pending) {
/*
* There are pending frames.
if (ipv6_addr_any(&fl.fl6_src) && !ipv6_addr_any(&np->saddr))
ipv6_addr_copy(&fl.fl6_src, &np->saddr);
fl.fl_ip_sport = inet->sport;
-
+
/* merge ip6_build_xmit from ip6_output */
if (opt && opt->srcrt) {
struct rt0_hdr *rt0 = (struct rt0_hdr *) opt->srcrt;
src->s6_addr32[2], src->s6_addr32[3], srcp,
dest->s6_addr32[0], dest->s6_addr32[1],
dest->s6_addr32[2], dest->s6_addr32[3], destp,
- sp->sk_state,
+ sp->sk_state,
atomic_read(&sp->sk_wmem_alloc),
atomic_read(&sp->sk_rmem_alloc),
0, 0L, 0,
int , int , int , __be32 , struct hlist_head []);
extern int udpv6_getsockopt(struct sock *sk, int level, int optname,
- char __user *optval, int __user *optlen);
+ char __user *optval, int __user *optlen);
extern int udpv6_setsockopt(struct sock *sk, int level, int optname,
- char __user *optval, int optlen);
+ char __user *optval, int optlen);
#ifdef CONFIG_COMPAT
extern int compat_udpv6_setsockopt(struct sock *sk, int level, int optname,
char __user *optval, int optlen);
struct msghdr *msg, size_t len);
extern int udpv6_recvmsg(struct kiocb *iocb, struct sock *sk,
struct msghdr *msg, size_t len,
- int noblock, int flags, int *addr_len);
+ int noblock, int flags, int *addr_len);
extern int udpv6_queue_rcv_skb(struct sock * sk, struct sk_buff *skb);
extern int udpv6_destroy_sock(struct sock *sk);
seq = 0;
if (!spi && (err = xfrm_parse_spi(skb, nexthdr, &spi, &seq)) != 0)
goto drop;
-
+
do {
struct ipv6hdr *iph = skb->nh.ipv6h;
__skb_push(skb, skb->data - skb->nh.raw);
NF_HOOK(PF_INET6, NF_IP6_PRE_ROUTING, skb, skb->dev, NULL,
- ip6_rcv_finish);
+ ip6_rcv_finish);
return -1;
#else
return 1;
int xfrm6_input_addr(struct sk_buff *skb, xfrm_address_t *daddr,
xfrm_address_t *saddr, u8 proto)
{
- struct xfrm_state *x = NULL;
- int wildcard = 0;
+ struct xfrm_state *x = NULL;
+ int wildcard = 0;
struct in6_addr any;
xfrm_address_t *xany;
struct xfrm_state *xfrm_vec_one = NULL;
- int nh = 0;
+ int nh = 0;
int i = 0;
ipv6_addr_set(&any, 0, 0, 0, 0);
break;
case 2:
default:
- /* lookup state with wild-card addresses */
+ /* lookup state with wild-card addresses */
wildcard = 1; /* XXX */
dst = xany;
src = xany;
break;
- }
+ }
x = xfrm_state_lookup_byaddr(dst, src, proto, AF_INET6);
if (!x)
if (unlikely(x->km.state != XFRM_STATE_VALID)) {
spin_unlock(&x->lock);
xfrm_state_put(x);
- x = NULL;
- continue;
+ x = NULL;
+ continue;
}
if (xfrm_state_check_expire(x)) {
spin_unlock(&x->lock);
* xfrm6_output.c - Common IPsec encapsulation code for IPv6.
* Copyright (C) 2002 USAGI/WIDE Project
* Copyright (c) 2004 Herbert Xu <herbert@gondor.apana.org.au>
- *
+ *
* 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
struct dst_entry *dst = skb->dst;
struct xfrm_state *x = dst->xfrm;
int err;
-
+
if (skb->ip_summed == CHECKSUM_PARTIAL) {
err = skb_checksum_help(skb);
if (err)
spin_unlock_bh(&x->lock);
skb->nh.raw = skb->data;
-
+
if (!(skb->dst = dst_pop(dst))) {
err = -EHOSTUNREACH;
goto error_nolock;
while (likely((err = xfrm6_output_one(skb)) == 0)) {
nf_reset(skb);
-
+
err = nf_hook(PF_INET6, NF_IP6_LOCAL_OUT, &skb, NULL,
skb->dst->dev, dst_output);
if (unlikely(err != 1))
* IPv6 support
* YOSHIFUJI Hideaki
* Split up af-specific portion
- *
+ *
*/
#include <linux/compiler.h>
x->u.rt6.rt6i_metric = rt0->rt6i_metric;
x->u.rt6.rt6i_node = rt0->rt6i_node;
x->u.rt6.rt6i_gateway = rt0->rt6i_gateway;
- memcpy(&x->u.rt6.rt6i_gateway, &rt0->rt6i_gateway, sizeof(x->u.rt6.rt6i_gateway));
+ memcpy(&x->u.rt6.rt6i_gateway, &rt0->rt6i_gateway, sizeof(x->u.rt6.rt6i_gateway));
x->u.rt6.rt6i_dst = rt0->rt6i_dst;
- x->u.rt6.rt6i_src = rt0->rt6i_src;
+ x->u.rt6.rt6i_src = rt0->rt6i_src;
x->u.rt6.rt6i_idev = rt0->rt6i_idev;
in6_dev_hold(rt0->rt6i_idev);
__xfrm6_bundle_len_dec(&header_len, &nfheader_len, x->u.dst.xfrm);
* IPv6 support
* YOSHIFUJI Hideaki @USAGI
* Split up af-specific portion
- *
+ *
*/
#include <net/xfrm.h>
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
- *
+ *
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
- *
+ *
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#include <linux/mutex.h>
/*
- * xfrm_tunnel_spi things are for allocating unique id ("spi")
+ * xfrm_tunnel_spi things are for allocating unique id ("spi")
* per xfrm_address_t.
*/
struct xfrm6_tunnel_spi {
for (spi = xfrm6_tunnel_spi; spi <= XFRM6_TUNNEL_SPI_MAX; spi++) {
index = xfrm6_tunnel_spi_hash_byspi(spi);
- hlist_for_each_entry(x6spi, pos,
- &xfrm6_tunnel_spi_byspi[index],
+ hlist_for_each_entry(x6spi, pos,
+ &xfrm6_tunnel_spi_byspi[index],
list_byspi) {
if (x6spi->spi == spi)
goto try_next_1;
}
for (spi = XFRM6_TUNNEL_SPI_MIN; spi < xfrm6_tunnel_spi; spi++) {
index = xfrm6_tunnel_spi_hash_byspi(spi);
- hlist_for_each_entry(x6spi, pos,
- &xfrm6_tunnel_spi_byspi[index],
+ hlist_for_each_entry(x6spi, pos,
+ &xfrm6_tunnel_spi_byspi[index],
list_byspi) {
if (x6spi->spi == spi)
goto try_next_2;
write_lock_bh(&xfrm6_tunnel_spi_lock);
- hlist_for_each_entry_safe(x6spi, pos, n,
+ hlist_for_each_entry_safe(x6spi, pos, n,
&xfrm6_tunnel_spi_byaddr[xfrm6_tunnel_spi_hash_byaddr(saddr)],
list_byaddr)
{
{
/* xfrm6_tunnel native err handling */
switch (type) {
- case ICMPV6_DEST_UNREACH:
+ case ICMPV6_DEST_UNREACH:
switch (code) {
- case ICMPV6_NOROUTE:
+ case ICMPV6_NOROUTE:
case ICMPV6_ADM_PROHIBITED:
case ICMPV6_NOT_NEIGHBOUR:
case ICMPV6_ADDR_UNREACH:
case ICMPV6_EXC_HOPLIMIT:
break;
case ICMPV6_EXC_FRAGTIME:
- default:
+ default:
break;
}
break;
projects / linux-drm-fsl-dcu.git / commitdiff