@@ -105,7 +105,7 @@ struct vxlan_fdb {
struct vxlan_dev {
struct hlist_node hlist;
struct net_device *dev;
- __u32 vni; /* virtual network id */
+ __be32 vni; /* virtual network id */
__be32 gaddr; /* multicast group */
__be32 saddr; /* source address */
unsigned int link; /* link to multicast over */
@@ -133,15 +133,15 @@ struct vxlan_dev {
/* salt for hash table */
static u32 vxlan_salt __read_mostly;
-static inline struct hlist_head *vni_head(struct net *net, u32 id)
+static inline struct hlist_head *vni_head(struct net *net, __be32 id)
{
struct vxlan_net *vn = net_generic(net, vxlan_net_id);
- return &vn->vni_list[hash_32(id, VNI_HASH_BITS)];
+ return &vn->vni_list[hash_32((__force u32)id, VNI_HASH_BITS)];
}
/* Look up VNI in a per net namespace table */
-static struct vxlan_dev *vxlan_find_vni(struct net *net, u32 id)
+static struct vxlan_dev *vxlan_find_vni(struct net *net, __be32 id)
{
struct vxlan_dev *vxlan;
@@ -658,7 +658,6 @@ static int vxlan_udp_encap_recv(struct sock *sk, struct sk_buff *skb)
struct vxlanhdr *vxh;
struct vxlan_dev *vxlan;
struct pcpu_tstats *stats;
- __u32 vni;
int err;
/* pop off outer UDP header */
@@ -680,10 +679,10 @@ static int vxlan_udp_encap_recv(struct sock *sk, struct sk_buff *skb)
__skb_pull(skb, sizeof(struct vxlanhdr));
/* Is this VNI defined? */
- vni = ntohl(vxh->vx_vni) >> 8;
- vxlan = vxlan_find_vni(sock_net(sk), vni);
+ vxlan = vxlan_find_vni(sock_net(sk), vxh->vx_vni);
if (!vxlan) {
- netdev_dbg(skb->dev, "unknown vni %d\n", vni);
+ netdev_dbg(skb->dev, "unknown vni %d\n",
+ (ntohl(vxh->vx_vni) >> 8));
goto drop;
}
@@ -1006,7 +1004,7 @@ static netdev_tx_t vxlan_xmit_one(struct sk_buff *skb, struct net_device *dev,
vxh = (struct vxlanhdr *) __skb_push(skb, sizeof(*vxh));
vxh->vx_flags = htonl(VXLAN_FLAGS);
- vxh->vx_vni = htonl(vni << 8);
+ vxh->vx_vni = vxlan->vni;
__skb_push(skb, sizeof(*uh));
skb_reset_transport_header(skb);
@@ -1359,15 +1357,17 @@ static int vxlan_newlink(struct net *net, struct net_device *dev,
struct nlattr *tb[], struct nlattr *data[])
{
struct vxlan_dev *vxlan = netdev_priv(dev);
- __u32 vni;
+ __u32 id;
+ __be32 vni;
int err;
if (!data[IFLA_VXLAN_ID])
return -EINVAL;
- vni = nla_get_u32(data[IFLA_VXLAN_ID]);
+ id = nla_get_u32(data[IFLA_VXLAN_ID]);
+ vni = htonl(id << 8);
if (vxlan_find_vni(net, vni)) {
- pr_info("duplicate VNI %u\n", vni);
+ pr_info("duplicate VNI %u\n", id);
return -EEXIST;
}
vxlan->vni = vni;
@@ -1478,7 +1478,7 @@ static int vxlan_fill_info(struct sk_buff *skb, const struct net_device *dev)
.high = htons(vxlan->port_max),
};
- if (nla_put_u32(skb, IFLA_VXLAN_ID, vxlan->vni))
+ if (nla_put_u32(skb, IFLA_VXLAN_ID, (ntohl(vxlan->vni) >> 8)))
goto nla_put_failure;
if (vxlan->gaddr && nla_put_be32(skb, IFLA_VXLAN_GROUP, vxlan->gaddr))
Compute VXLAN vin at time of device create so that there is no need to translate it on packet send and receive. This patch do not change userspace interface. CC: Stephen Hemminger <stephen@networkplumber.org> Signed-off-by: Pravin B Shelar <pshelar@nicira.com> --- drivers/net/vxlan.c | 28 ++++++++++++++-------------- 1 files changed, 14 insertions(+), 14 deletions(-)