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Diffstat (limited to 'net/ipv6/ip6mr.c')
-rw-r--r--net/ipv6/ip6mr.c131
1 files changed, 103 insertions, 28 deletions
diff --git a/net/ipv6/ip6mr.c b/net/ipv6/ip6mr.c
index 9fab274019c..7ff0343e05c 100644
--- a/net/ipv6/ip6mr.c
+++ b/net/ipv6/ip6mr.c
@@ -34,6 +34,7 @@
#include <linux/seq_file.h>
#include <linux/init.h>
#include <linux/slab.h>
+#include <linux/compat.h>
#include <net/protocol.h>
#include <linux/skbuff.h>
#include <net/sock.h>
@@ -134,14 +135,15 @@ static struct mr6_table *ip6mr_get_table(struct net *net, u32 id)
return NULL;
}
-static int ip6mr_fib_lookup(struct net *net, struct flowi *flp,
+static int ip6mr_fib_lookup(struct net *net, struct flowi6 *flp6,
struct mr6_table **mrt)
{
struct ip6mr_result res;
struct fib_lookup_arg arg = { .result = &res, };
int err;
- err = fib_rules_lookup(net->ipv6.mr6_rules_ops, flp, 0, &arg);
+ err = fib_rules_lookup(net->ipv6.mr6_rules_ops,
+ flowi6_to_flowi(flp6), 0, &arg);
if (err < 0)
return err;
*mrt = res.mrt;
@@ -269,7 +271,7 @@ static struct mr6_table *ip6mr_get_table(struct net *net, u32 id)
return net->ipv6.mrt6;
}
-static int ip6mr_fib_lookup(struct net *net, struct flowi *flp,
+static int ip6mr_fib_lookup(struct net *net, struct flowi6 *flp6,
struct mr6_table **mrt)
{
*mrt = net->ipv6.mrt6;
@@ -616,9 +618,9 @@ static int pim6_rcv(struct sk_buff *skb)
struct net_device *reg_dev = NULL;
struct net *net = dev_net(skb->dev);
struct mr6_table *mrt;
- struct flowi fl = {
- .iif = skb->dev->ifindex,
- .mark = skb->mark,
+ struct flowi6 fl6 = {
+ .flowi6_iif = skb->dev->ifindex,
+ .flowi6_mark = skb->mark,
};
int reg_vif_num;
@@ -643,7 +645,7 @@ static int pim6_rcv(struct sk_buff *skb)
ntohs(encap->payload_len) + sizeof(*pim) > skb->len)
goto drop;
- if (ip6mr_fib_lookup(net, &fl, &mrt) < 0)
+ if (ip6mr_fib_lookup(net, &fl6, &mrt) < 0)
goto drop;
reg_vif_num = mrt->mroute_reg_vif_num;
@@ -686,14 +688,14 @@ static netdev_tx_t reg_vif_xmit(struct sk_buff *skb,
{
struct net *net = dev_net(dev);
struct mr6_table *mrt;
- struct flowi fl = {
- .oif = dev->ifindex,
- .iif = skb->skb_iif,
- .mark = skb->mark,
+ struct flowi6 fl6 = {
+ .flowi6_oif = dev->ifindex,
+ .flowi6_iif = skb->skb_iif,
+ .flowi6_mark = skb->mark,
};
int err;
- err = ip6mr_fib_lookup(net, &fl, &mrt);
+ err = ip6mr_fib_lookup(net, &fl6, &mrt);
if (err < 0)
return err;
@@ -1038,7 +1040,6 @@ static void ip6mr_cache_resolve(struct net *net, struct mr6_table *mrt,
while((skb = __skb_dequeue(&uc->mfc_un.unres.unresolved))) {
if (ipv6_hdr(skb)->version == 0) {
- int err;
struct nlmsghdr *nlh = (struct nlmsghdr *)skb_pull(skb, sizeof(struct ipv6hdr));
if (__ip6mr_fill_mroute(mrt, skb, c, NLMSG_DATA(nlh)) > 0) {
@@ -1049,7 +1050,7 @@ static void ip6mr_cache_resolve(struct net *net, struct mr6_table *mrt,
skb_trim(skb, nlh->nlmsg_len);
((struct nlmsgerr *)NLMSG_DATA(nlh))->error = -EMSGSIZE;
}
- err = rtnl_unicast(skb, net, NETLINK_CB(skb).pid);
+ rtnl_unicast(skb, net, NETLINK_CB(skb).pid);
} else
ip6_mr_forward(net, mrt, skb, c);
}
@@ -1547,13 +1548,13 @@ int ip6mr_sk_done(struct sock *sk)
struct sock *mroute6_socket(struct net *net, struct sk_buff *skb)
{
struct mr6_table *mrt;
- struct flowi fl = {
- .iif = skb->skb_iif,
- .oif = skb->dev->ifindex,
- .mark = skb->mark,
+ struct flowi6 fl6 = {
+ .flowi6_iif = skb->skb_iif,
+ .flowi6_oif = skb->dev->ifindex,
+ .flowi6_mark = skb->mark,
};
- if (ip6mr_fib_lookup(net, &fl, &mrt) < 0)
+ if (ip6mr_fib_lookup(net, &fl6, &mrt) < 0)
return NULL;
return mrt->mroute6_sk;
@@ -1804,6 +1805,80 @@ int ip6mr_ioctl(struct sock *sk, int cmd, void __user *arg)
}
}
+#ifdef CONFIG_COMPAT
+struct compat_sioc_sg_req6 {
+ struct sockaddr_in6 src;
+ struct sockaddr_in6 grp;
+ compat_ulong_t pktcnt;
+ compat_ulong_t bytecnt;
+ compat_ulong_t wrong_if;
+};
+
+struct compat_sioc_mif_req6 {
+ mifi_t mifi;
+ compat_ulong_t icount;
+ compat_ulong_t ocount;
+ compat_ulong_t ibytes;
+ compat_ulong_t obytes;
+};
+
+int ip6mr_compat_ioctl(struct sock *sk, unsigned int cmd, void __user *arg)
+{
+ struct compat_sioc_sg_req6 sr;
+ struct compat_sioc_mif_req6 vr;
+ struct mif_device *vif;
+ struct mfc6_cache *c;
+ struct net *net = sock_net(sk);
+ struct mr6_table *mrt;
+
+ mrt = ip6mr_get_table(net, raw6_sk(sk)->ip6mr_table ? : RT6_TABLE_DFLT);
+ if (mrt == NULL)
+ return -ENOENT;
+
+ switch (cmd) {
+ case SIOCGETMIFCNT_IN6:
+ if (copy_from_user(&vr, arg, sizeof(vr)))
+ return -EFAULT;
+ if (vr.mifi >= mrt->maxvif)
+ return -EINVAL;
+ read_lock(&mrt_lock);
+ vif = &mrt->vif6_table[vr.mifi];
+ if (MIF_EXISTS(mrt, vr.mifi)) {
+ vr.icount = vif->pkt_in;
+ vr.ocount = vif->pkt_out;
+ vr.ibytes = vif->bytes_in;
+ vr.obytes = vif->bytes_out;
+ read_unlock(&mrt_lock);
+
+ if (copy_to_user(arg, &vr, sizeof(vr)))
+ return -EFAULT;
+ return 0;
+ }
+ read_unlock(&mrt_lock);
+ return -EADDRNOTAVAIL;
+ case SIOCGETSGCNT_IN6:
+ if (copy_from_user(&sr, arg, sizeof(sr)))
+ return -EFAULT;
+
+ read_lock(&mrt_lock);
+ c = ip6mr_cache_find(mrt, &sr.src.sin6_addr, &sr.grp.sin6_addr);
+ if (c) {
+ sr.pktcnt = c->mfc_un.res.pkt;
+ sr.bytecnt = c->mfc_un.res.bytes;
+ sr.wrong_if = c->mfc_un.res.wrong_if;
+ read_unlock(&mrt_lock);
+
+ if (copy_to_user(arg, &sr, sizeof(sr)))
+ return -EFAULT;
+ return 0;
+ }
+ read_unlock(&mrt_lock);
+ return -EADDRNOTAVAIL;
+ default:
+ return -ENOIOCTLCMD;
+ }
+}
+#endif
static inline int ip6mr_forward2_finish(struct sk_buff *skb)
{
@@ -1823,7 +1898,7 @@ static int ip6mr_forward2(struct net *net, struct mr6_table *mrt,
struct mif_device *vif = &mrt->vif6_table[vifi];
struct net_device *dev;
struct dst_entry *dst;
- struct flowi fl;
+ struct flowi6 fl6;
if (vif->dev == NULL)
goto out_free;
@@ -1841,12 +1916,12 @@ static int ip6mr_forward2(struct net *net, struct mr6_table *mrt,
ipv6h = ipv6_hdr(skb);
- fl = (struct flowi) {
- .oif = vif->link,
- .fl6_dst = ipv6h->daddr,
+ fl6 = (struct flowi6) {
+ .flowi6_oif = vif->link,
+ .daddr = ipv6h->daddr,
};
- dst = ip6_route_output(net, NULL, &fl);
+ dst = ip6_route_output(net, NULL, &fl6);
if (!dst)
goto out_free;
@@ -1969,13 +2044,13 @@ int ip6_mr_input(struct sk_buff *skb)
struct mfc6_cache *cache;
struct net *net = dev_net(skb->dev);
struct mr6_table *mrt;
- struct flowi fl = {
- .iif = skb->dev->ifindex,
- .mark = skb->mark,
+ struct flowi6 fl6 = {
+ .flowi6_iif = skb->dev->ifindex,
+ .flowi6_mark = skb->mark,
};
int err;
- err = ip6mr_fib_lookup(net, &fl, &mrt);
+ err = ip6mr_fib_lookup(net, &fl6, &mrt);
if (err < 0)
return err;
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-02-02 16:25:26 +0000