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Diffstat (limited to 'net/ipv6/addrconf.c')
-rw-r--r--net/ipv6/addrconf.c75
1 files changed, 37 insertions, 38 deletions
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index 7744a2592693..a54d4ef3fd35 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -57,6 +57,7 @@
#endif
#include <linux/delay.h>
#include <linux/notifier.h>
+#include <linux/string.h>
#include <net/sock.h>
#include <net/snmp.h>
@@ -131,7 +132,7 @@ static void addrconf_leave_anycast(struct inet6_ifaddr *ifp);
static int addrconf_ifdown(struct net_device *dev, int how);
-static void addrconf_dad_start(struct inet6_ifaddr *ifp, int flags);
+static void addrconf_dad_start(struct inet6_ifaddr *ifp, u32 flags);
static void addrconf_dad_timer(unsigned long data);
static void addrconf_dad_completed(struct inet6_ifaddr *ifp);
static void addrconf_rs_timer(unsigned long data);
@@ -372,6 +373,7 @@ static struct inet6_dev * ipv6_add_dev(struct net_device *dev)
ndev->regen_timer.data = (unsigned long) ndev;
if ((dev->flags&IFF_LOOPBACK) ||
dev->type == ARPHRD_TUNNEL ||
+ dev->type == ARPHRD_NONE ||
dev->type == ARPHRD_SIT) {
printk(KERN_INFO
"Disabled Privacy Extensions on device %p(%s)\n",
@@ -491,7 +493,7 @@ void inet6_ifa_finish_destroy(struct inet6_ifaddr *ifp)
static struct inet6_ifaddr *
ipv6_add_addr(struct inet6_dev *idev, const struct in6_addr *addr, int pfxlen,
- int scope, unsigned flags)
+ int scope, u32 flags)
{
struct inet6_ifaddr *ifa = NULL;
struct rt6_info *rt;
@@ -694,7 +696,7 @@ static void ipv6_del_addr(struct inet6_ifaddr *ifp)
if (rt && ((rt->rt6i_flags & (RTF_GATEWAY | RTF_DEFAULT)) == 0)) {
if (onlink == 0) {
- ip6_del_rt(rt, NULL, NULL);
+ ip6_del_rt(rt, NULL, NULL, NULL);
rt = NULL;
} else if (!(rt->rt6i_flags & RTF_EXPIRES)) {
rt->rt6i_expires = expires;
@@ -1319,7 +1321,7 @@ static int __ipv6_try_regen_rndid(struct inet6_dev *idev, struct in6_addr *tmpad
static void
addrconf_prefix_route(struct in6_addr *pfx, int plen, struct net_device *dev,
- unsigned long expires, unsigned flags)
+ unsigned long expires, u32 flags)
{
struct in6_rtmsg rtmsg;
@@ -1339,7 +1341,7 @@ addrconf_prefix_route(struct in6_addr *pfx, int plen, struct net_device *dev,
if (dev->type == ARPHRD_SIT && (dev->flags&IFF_POINTOPOINT))
rtmsg.rtmsg_flags |= RTF_NONEXTHOP;
- ip6_route_add(&rtmsg, NULL, NULL);
+ ip6_route_add(&rtmsg, NULL, NULL, NULL);
}
/* Create "default" multicast route to the interface */
@@ -1356,7 +1358,7 @@ static void addrconf_add_mroute(struct net_device *dev)
rtmsg.rtmsg_ifindex = dev->ifindex;
rtmsg.rtmsg_flags = RTF_UP;
rtmsg.rtmsg_type = RTMSG_NEWROUTE;
- ip6_route_add(&rtmsg, NULL, NULL);
+ ip6_route_add(&rtmsg, NULL, NULL, NULL);
}
static void sit_route_add(struct net_device *dev)
@@ -1373,7 +1375,7 @@ static void sit_route_add(struct net_device *dev)
rtmsg.rtmsg_flags = RTF_UP|RTF_NONEXTHOP;
rtmsg.rtmsg_ifindex = dev->ifindex;
- ip6_route_add(&rtmsg, NULL, NULL);
+ ip6_route_add(&rtmsg, NULL, NULL, NULL);
}
static void addrconf_add_lroute(struct net_device *dev)
@@ -1466,7 +1468,7 @@ void addrconf_prefix_rcv(struct net_device *dev, u8 *opt, int len)
if (rt && ((rt->rt6i_flags & (RTF_GATEWAY | RTF_DEFAULT)) == 0)) {
if (rt->rt6i_flags&RTF_EXPIRES) {
if (valid_lft == 0) {
- ip6_del_rt(rt, NULL, NULL);
+ ip6_del_rt(rt, NULL, NULL, NULL);
rt = NULL;
} else {
rt->rt6i_expires = rt_expires;
@@ -2228,7 +2230,7 @@ out:
/*
* Duplicate Address Detection
*/
-static void addrconf_dad_start(struct inet6_ifaddr *ifp, int flags)
+static void addrconf_dad_start(struct inet6_ifaddr *ifp, u32 flags)
{
struct inet6_dev *idev = ifp->idev;
struct net_device *dev = idev->dev;
@@ -2621,15 +2623,14 @@ inet6_rtm_newaddr(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg)
}
static int inet6_fill_ifaddr(struct sk_buff *skb, struct inet6_ifaddr *ifa,
- u32 pid, u32 seq, int event)
+ u32 pid, u32 seq, int event, unsigned int flags)
{
struct ifaddrmsg *ifm;
struct nlmsghdr *nlh;
struct ifa_cacheinfo ci;
unsigned char *b = skb->tail;
- nlh = NLMSG_PUT(skb, pid, seq, event, sizeof(*ifm));
- if (pid) nlh->nlmsg_flags |= NLM_F_MULTI;
+ nlh = NLMSG_NEW(skb, pid, seq, event, sizeof(*ifm), flags);
ifm = NLMSG_DATA(nlh);
ifm->ifa_family = AF_INET6;
ifm->ifa_prefixlen = ifa->prefix_len;
@@ -2671,15 +2672,14 @@ rtattr_failure:
}
static int inet6_fill_ifmcaddr(struct sk_buff *skb, struct ifmcaddr6 *ifmca,
- u32 pid, u32 seq, int event)
+ u32 pid, u32 seq, int event, u16 flags)
{
struct ifaddrmsg *ifm;
struct nlmsghdr *nlh;
struct ifa_cacheinfo ci;
unsigned char *b = skb->tail;
- nlh = NLMSG_PUT(skb, pid, seq, event, sizeof(*ifm));
- if (pid) nlh->nlmsg_flags |= NLM_F_MULTI;
+ nlh = NLMSG_NEW(skb, pid, seq, event, sizeof(*ifm), flags);
ifm = NLMSG_DATA(nlh);
ifm->ifa_family = AF_INET6;
ifm->ifa_prefixlen = 128;
@@ -2708,15 +2708,14 @@ rtattr_failure:
}
static int inet6_fill_ifacaddr(struct sk_buff *skb, struct ifacaddr6 *ifaca,
- u32 pid, u32 seq, int event)
+ u32 pid, u32 seq, int event, unsigned int flags)
{
struct ifaddrmsg *ifm;
struct nlmsghdr *nlh;
struct ifa_cacheinfo ci;
unsigned char *b = skb->tail;
- nlh = NLMSG_PUT(skb, pid, seq, event, sizeof(*ifm));
- if (pid) nlh->nlmsg_flags |= NLM_F_MULTI;
+ nlh = NLMSG_NEW(skb, pid, seq, event, sizeof(*ifm), flags);
ifm = NLMSG_DATA(nlh);
ifm->ifa_family = AF_INET6;
ifm->ifa_prefixlen = 128;
@@ -2785,7 +2784,8 @@ static int inet6_dump_addr(struct sk_buff *skb, struct netlink_callback *cb,
continue;
if ((err = inet6_fill_ifaddr(skb, ifa,
NETLINK_CB(cb->skb).pid,
- cb->nlh->nlmsg_seq, RTM_NEWADDR)) <= 0)
+ cb->nlh->nlmsg_seq, RTM_NEWADDR,
+ NLM_F_MULTI)) <= 0)
goto done;
}
/* temp addr */
@@ -2796,7 +2796,8 @@ static int inet6_dump_addr(struct sk_buff *skb, struct netlink_callback *cb,
continue;
if ((err = inet6_fill_ifaddr(skb, ifa,
NETLINK_CB(cb->skb).pid,
- cb->nlh->nlmsg_seq, RTM_NEWADDR)) <= 0)
+ cb->nlh->nlmsg_seq, RTM_NEWADDR,
+ NLM_F_MULTI)) <= 0)
goto done;
}
#endif
@@ -2809,7 +2810,8 @@ static int inet6_dump_addr(struct sk_buff *skb, struct netlink_callback *cb,
continue;
if ((err = inet6_fill_ifmcaddr(skb, ifmca,
NETLINK_CB(cb->skb).pid,
- cb->nlh->nlmsg_seq, RTM_GETMULTICAST)) <= 0)
+ cb->nlh->nlmsg_seq, RTM_GETMULTICAST,
+ NLM_F_MULTI)) <= 0)
goto done;
}
break;
@@ -2821,7 +2823,8 @@ static int inet6_dump_addr(struct sk_buff *skb, struct netlink_callback *cb,
continue;
if ((err = inet6_fill_ifacaddr(skb, ifaca,
NETLINK_CB(cb->skb).pid,
- cb->nlh->nlmsg_seq, RTM_GETANYCAST)) <= 0)
+ cb->nlh->nlmsg_seq, RTM_GETANYCAST,
+ NLM_F_MULTI)) <= 0)
goto done;
}
break;
@@ -2871,7 +2874,7 @@ static void inet6_ifa_notify(int event, struct inet6_ifaddr *ifa)
netlink_set_err(rtnl, 0, RTMGRP_IPV6_IFADDR, ENOBUFS);
return;
}
- if (inet6_fill_ifaddr(skb, ifa, 0, 0, event) < 0) {
+ if (inet6_fill_ifaddr(skb, ifa, current->pid, 0, event, 0) < 0) {
kfree_skb(skb);
netlink_set_err(rtnl, 0, RTMGRP_IPV6_IFADDR, EINVAL);
return;
@@ -2906,7 +2909,7 @@ static void inline ipv6_store_devconf(struct ipv6_devconf *cnf,
}
static int inet6_fill_ifinfo(struct sk_buff *skb, struct inet6_dev *idev,
- u32 pid, u32 seq, int event)
+ u32 pid, u32 seq, int event, unsigned int flags)
{
struct net_device *dev = idev->dev;
__s32 *array = NULL;
@@ -2917,8 +2920,7 @@ static int inet6_fill_ifinfo(struct sk_buff *skb, struct inet6_dev *idev,
__u32 mtu = dev->mtu;
struct ifla_cacheinfo ci;
- nlh = NLMSG_PUT(skb, pid, seq, event, sizeof(*r));
- if (pid) nlh->nlmsg_flags |= NLM_F_MULTI;
+ nlh = NLMSG_NEW(skb, pid, seq, event, sizeof(*r), flags);
r = NLMSG_DATA(nlh);
r->ifi_family = AF_INET6;
r->ifi_type = dev->type;
@@ -2985,7 +2987,7 @@ static int inet6_dump_ifinfo(struct sk_buff *skb, struct netlink_callback *cb)
if ((idev = in6_dev_get(dev)) == NULL)
continue;
err = inet6_fill_ifinfo(skb, idev, NETLINK_CB(cb->skb).pid,
- cb->nlh->nlmsg_seq, RTM_NEWLINK);
+ cb->nlh->nlmsg_seq, RTM_NEWLINK, NLM_F_MULTI);
in6_dev_put(idev);
if (err <= 0)
break;
@@ -3007,7 +3009,7 @@ void inet6_ifinfo_notify(int event, struct inet6_dev *idev)
netlink_set_err(rtnl, 0, RTMGRP_IPV6_IFINFO, ENOBUFS);
return;
}
- if (inet6_fill_ifinfo(skb, idev, 0, 0, event) < 0) {
+ if (inet6_fill_ifinfo(skb, idev, current->pid, 0, event, 0) < 0) {
kfree_skb(skb);
netlink_set_err(rtnl, 0, RTMGRP_IPV6_IFINFO, EINVAL);
return;
@@ -3017,18 +3019,15 @@ void inet6_ifinfo_notify(int event, struct inet6_dev *idev)
}
static int inet6_fill_prefix(struct sk_buff *skb, struct inet6_dev *idev,
- struct prefix_info *pinfo, u32 pid, u32 seq, int event)
+ struct prefix_info *pinfo, u32 pid, u32 seq,
+ int event, unsigned int flags)
{
struct prefixmsg *pmsg;
struct nlmsghdr *nlh;
unsigned char *b = skb->tail;
struct prefix_cacheinfo ci;
- nlh = NLMSG_PUT(skb, pid, seq, event, sizeof(*pmsg));
-
- if (pid)
- nlh->nlmsg_flags |= NLM_F_MULTI;
-
+ nlh = NLMSG_NEW(skb, pid, seq, event, sizeof(*pmsg), flags);
pmsg = NLMSG_DATA(nlh);
pmsg->prefix_family = AF_INET6;
pmsg->prefix_ifindex = idev->dev->ifindex;
@@ -3067,7 +3066,7 @@ static void inet6_prefix_notify(int event, struct inet6_dev *idev,
netlink_set_err(rtnl, 0, RTMGRP_IPV6_PREFIX, ENOBUFS);
return;
}
- if (inet6_fill_prefix(skb, idev, pinfo, 0, 0, event) < 0) {
+ if (inet6_fill_prefix(skb, idev, pinfo, current->pid, 0, event, 0) < 0) {
kfree_skb(skb);
netlink_set_err(rtnl, 0, RTMGRP_IPV6_PREFIX, EINVAL);
return;
@@ -3096,7 +3095,7 @@ static void __ipv6_ifa_notify(int event, struct inet6_ifaddr *ifp)
switch (event) {
case RTM_NEWADDR:
dst_hold(&ifp->rt->u.dst);
- if (ip6_ins_rt(ifp->rt, NULL, NULL))
+ if (ip6_ins_rt(ifp->rt, NULL, NULL, NULL))
dst_release(&ifp->rt->u.dst);
if (ifp->idev->cnf.forwarding)
addrconf_join_anycast(ifp);
@@ -3106,7 +3105,7 @@ static void __ipv6_ifa_notify(int event, struct inet6_ifaddr *ifp)
addrconf_leave_anycast(ifp);
addrconf_leave_solict(ifp->idev, &ifp->addr);
dst_hold(&ifp->rt->u.dst);
- if (ip6_del_rt(ifp->rt, NULL, NULL))
+ if (ip6_del_rt(ifp->rt, NULL, NULL, NULL))
dst_free(&ifp->rt->u.dst);
else
dst_release(&ifp->rt->u.dst);
@@ -3439,7 +3438,7 @@ static void addrconf_sysctl_register(struct inet6_dev *idev, struct ipv6_devconf
* by sysctl and we wouldn't want anyone to change it under our feet
* (see SIOCSIFNAME).
*/
- dev_name = net_sysctl_strdup(dev_name);
+ dev_name = kstrdup(dev_name, GFP_KERNEL);
if (!dev_name)
goto free;
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