if (rt && ((rt->rt6i_flags & (RTF_GATEWAY | RTF_DEFAULT)) == 0)) {
if (onlink == 0) {
- ip6_del_rt(rt, NULL, NULL, NULL);
+ ip6_del_rt(rt);
rt = NULL;
} else if (!(rt->rt6i_flags & RTF_EXPIRES)) {
rt->rt6i_expires = expires;
addrconf_prefix_route(struct in6_addr *pfx, int plen, struct net_device *dev,
unsigned long expires, u32 flags)
{
- struct in6_rtmsg rtmsg;
+ struct fib6_config cfg = {
+ .fc_table = RT6_TABLE_PREFIX,
+ .fc_metric = IP6_RT_PRIO_ADDRCONF,
+ .fc_ifindex = dev->ifindex,
+ .fc_expires = expires,
+ .fc_dst_len = plen,
+ .fc_flags = RTF_UP | flags,
+ };
- memset(&rtmsg, 0, sizeof(rtmsg));
- ipv6_addr_copy(&rtmsg.rtmsg_dst, pfx);
- rtmsg.rtmsg_dst_len = plen;
- rtmsg.rtmsg_metric = IP6_RT_PRIO_ADDRCONF;
- rtmsg.rtmsg_ifindex = dev->ifindex;
- rtmsg.rtmsg_info = expires;
- rtmsg.rtmsg_flags = RTF_UP|flags;
- rtmsg.rtmsg_type = RTMSG_NEWROUTE;
+ ipv6_addr_copy(&cfg.fc_dst, pfx);
/* Prevent useless cloning on PtP SIT.
This thing is done here expecting that the whole
class of non-broadcast devices need not cloning.
*/
- if (dev->type == ARPHRD_SIT && (dev->flags&IFF_POINTOPOINT))
- rtmsg.rtmsg_flags |= RTF_NONEXTHOP;
+ if (dev->type == ARPHRD_SIT && (dev->flags & IFF_POINTOPOINT))
+ cfg.fc_flags |= RTF_NONEXTHOP;
- ip6_route_add(&rtmsg, NULL, NULL, NULL, RT6_TABLE_PREFIX);
+ ip6_route_add(&cfg);
}
/* Create "default" multicast route to the interface */
static void addrconf_add_mroute(struct net_device *dev)
{
- struct in6_rtmsg rtmsg;
-
- memset(&rtmsg, 0, sizeof(rtmsg));
- ipv6_addr_set(&rtmsg.rtmsg_dst,
- htonl(0xFF000000), 0, 0, 0);
- rtmsg.rtmsg_dst_len = 8;
- rtmsg.rtmsg_metric = IP6_RT_PRIO_ADDRCONF;
- rtmsg.rtmsg_ifindex = dev->ifindex;
- rtmsg.rtmsg_flags = RTF_UP;
- rtmsg.rtmsg_type = RTMSG_NEWROUTE;
- ip6_route_add(&rtmsg, NULL, NULL, NULL, RT6_TABLE_LOCAL);
+ struct fib6_config cfg = {
+ .fc_table = RT6_TABLE_LOCAL,
+ .fc_metric = IP6_RT_PRIO_ADDRCONF,
+ .fc_ifindex = dev->ifindex,
+ .fc_dst_len = 8,
+ .fc_flags = RTF_UP,
+ };
+
+ ipv6_addr_set(&cfg.fc_dst, htonl(0xFF000000), 0, 0, 0);
+
+ ip6_route_add(&cfg);
}
static void sit_route_add(struct net_device *dev)
{
- struct in6_rtmsg rtmsg;
-
- memset(&rtmsg, 0, sizeof(rtmsg));
-
- rtmsg.rtmsg_type = RTMSG_NEWROUTE;
- rtmsg.rtmsg_metric = IP6_RT_PRIO_ADDRCONF;
+ struct fib6_config cfg = {
+ .fc_table = RT6_TABLE_MAIN,
+ .fc_metric = IP6_RT_PRIO_ADDRCONF,
+ .fc_ifindex = dev->ifindex,
+ .fc_dst_len = 96,
+ .fc_flags = RTF_UP | RTF_NONEXTHOP,
+ };
/* prefix length - 96 bits "::d.d.d.d" */
- rtmsg.rtmsg_dst_len = 96;
- rtmsg.rtmsg_flags = RTF_UP|RTF_NONEXTHOP;
- rtmsg.rtmsg_ifindex = dev->ifindex;
-
- ip6_route_add(&rtmsg, NULL, NULL, NULL, RT6_TABLE_MAIN);
+ ip6_route_add(&cfg);
}
static void addrconf_add_lroute(struct net_device *dev)
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, NULL);
+ ip6_del_rt(rt);
rt = NULL;
} else {
rt->rt6i_expires = jiffies + rt_expires;
spin_unlock_bh(&addrconf_verify_lock);
}
+static struct in6_addr *extract_addr(struct nlattr *addr, struct nlattr *local)
+{
+ struct in6_addr *pfx = NULL;
+
+ if (addr)
+ pfx = nla_data(addr);
+
+ if (local) {
+ if (pfx && nla_memcmp(local, pfx, sizeof(*pfx)))
+ pfx = NULL;
+ else
+ pfx = nla_data(local);
+ }
+
+ return pfx;
+}
+
+static struct nla_policy ifa_ipv6_policy[IFA_MAX+1] __read_mostly = {
+ [IFA_ADDRESS] = { .len = sizeof(struct in6_addr) },
+ [IFA_LOCAL] = { .len = sizeof(struct in6_addr) },
+ [IFA_CACHEINFO] = { .len = sizeof(struct ifa_cacheinfo) },
+};
+
static int
inet6_rtm_deladdr(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg)
{
- struct rtattr **rta = arg;
- struct ifaddrmsg *ifm = NLMSG_DATA(nlh);
+ struct ifaddrmsg *ifm;
+ struct nlattr *tb[IFA_MAX+1];
struct in6_addr *pfx;
+ int err;
- pfx = NULL;
- if (rta[IFA_ADDRESS-1]) {
- if (RTA_PAYLOAD(rta[IFA_ADDRESS-1]) < sizeof(*pfx))
- return -EINVAL;
- pfx = RTA_DATA(rta[IFA_ADDRESS-1]);
- }
- if (rta[IFA_LOCAL-1]) {
- if (RTA_PAYLOAD(rta[IFA_LOCAL-1]) < sizeof(*pfx) ||
- (pfx && memcmp(pfx, RTA_DATA(rta[IFA_LOCAL-1]), sizeof(*pfx))))
- return -EINVAL;
- pfx = RTA_DATA(rta[IFA_LOCAL-1]);
- }
+ err = nlmsg_parse(nlh, sizeof(*ifm), tb, IFA_MAX, ifa_ipv6_policy);
+ if (err < 0)
+ return err;
+
+ ifm = nlmsg_data(nlh);
+ pfx = extract_addr(tb[IFA_ADDRESS], tb[IFA_LOCAL]);
if (pfx == NULL)
return -EINVAL;
static int
inet6_rtm_newaddr(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg)
{
- struct rtattr **rta = arg;
- struct ifaddrmsg *ifm = NLMSG_DATA(nlh);
+ struct ifaddrmsg *ifm;
+ struct nlattr *tb[IFA_MAX+1];
struct in6_addr *pfx;
- __u32 valid_lft = INFINITY_LIFE_TIME, prefered_lft = INFINITY_LIFE_TIME;
+ u32 valid_lft, preferred_lft;
+ int err;
- pfx = NULL;
- if (rta[IFA_ADDRESS-1]) {
- if (RTA_PAYLOAD(rta[IFA_ADDRESS-1]) < sizeof(*pfx))
- return -EINVAL;
- pfx = RTA_DATA(rta[IFA_ADDRESS-1]);
- }
- if (rta[IFA_LOCAL-1]) {
- if (RTA_PAYLOAD(rta[IFA_LOCAL-1]) < sizeof(*pfx) ||
- (pfx && memcmp(pfx, RTA_DATA(rta[IFA_LOCAL-1]), sizeof(*pfx))))
- return -EINVAL;
- pfx = RTA_DATA(rta[IFA_LOCAL-1]);
- }
+ err = nlmsg_parse(nlh, sizeof(*ifm), tb, IFA_MAX, ifa_ipv6_policy);
+ if (err < 0)
+ return err;
+
+ ifm = nlmsg_data(nlh);
+ pfx = extract_addr(tb[IFA_ADDRESS], tb[IFA_LOCAL]);
if (pfx == NULL)
return -EINVAL;
- if (rta[IFA_CACHEINFO-1]) {
+ if (tb[IFA_CACHEINFO]) {
struct ifa_cacheinfo *ci;
- if (RTA_PAYLOAD(rta[IFA_CACHEINFO-1]) < sizeof(*ci))
- return -EINVAL;
- ci = RTA_DATA(rta[IFA_CACHEINFO-1]);
+
+ ci = nla_data(tb[IFA_CACHEINFO]);
valid_lft = ci->ifa_valid;
- prefered_lft = ci->ifa_prefered;
+ preferred_lft = ci->ifa_prefered;
+ } else {
+ preferred_lft = INFINITY_LIFE_TIME;
+ valid_lft = INFINITY_LIFE_TIME;
}
if (nlh->nlmsg_flags & NLM_F_REPLACE) {
- int ret;
- ret = inet6_addr_modify(ifm->ifa_index, pfx,
- prefered_lft, valid_lft);
- if (ret == 0 || !(nlh->nlmsg_flags & NLM_F_CREATE))
- return ret;
+ err = inet6_addr_modify(ifm->ifa_index, pfx,
+ preferred_lft, valid_lft);
+ if (err == 0 || !(nlh->nlmsg_flags & NLM_F_CREATE))
+ return err;
}
return inet6_addr_add(ifm->ifa_index, pfx, ifm->ifa_prefixlen,
- prefered_lft, valid_lft);
-
+ preferred_lft, valid_lft);
}
/* Maximum length of ifa_cacheinfo attributes */
switch (event) {
case RTM_NEWADDR:
- ip6_ins_rt(ifp->rt, NULL, NULL, NULL);
+ ip6_ins_rt(ifp->rt);
if (ifp->idev->cnf.forwarding)
addrconf_join_anycast(ifp);
break;
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, NULL))
+ if (ip6_del_rt(ifp->rt))
dst_free(&ifp->rt->u.dst);
break;
}
projects / linux-2.6 / blobdiff