static inline
bool vxlan_addr_equal(const union vxlan_addr *a, const union vxlan_addr *b)
{
- if (a->sa.sa_family != b->sa.sa_family)
- return false;
- if (a->sa.sa_family == AF_INET6)
- return ipv6_addr_equal(&a->sin6.sin6_addr, &b->sin6.sin6_addr);
- else
- return a->sin.sin_addr.s_addr == b->sin.sin_addr.s_addr;
+ if (a->sa.sa_family != b->sa.sa_family)
+ return false;
+ if (a->sa.sa_family == AF_INET6)
+ return ipv6_addr_equal(&a->sin6.sin6_addr, &b->sin6.sin6_addr);
+ else
+ return a->sin.sin_addr.s_addr == b->sin.sin_addr.s_addr;
}
static inline bool vxlan_addr_any(const union vxlan_addr *ipa)
{
- if (ipa->sa.sa_family == AF_INET6)
- return ipv6_addr_any(&ipa->sin6.sin6_addr);
- else
- return ipa->sin.sin_addr.s_addr == htonl(INADDR_ANY);
+ if (ipa->sa.sa_family == AF_INET6)
+ return ipv6_addr_any(&ipa->sin6.sin6_addr);
+ else
+ return ipa->sin.sin_addr.s_addr == htonl(INADDR_ANY);
}
static inline bool vxlan_addr_multicast(const union vxlan_addr *ipa)
{
- if (ipa->sa.sa_family == AF_INET6)
- return ipv6_addr_is_multicast(&ipa->sin6.sin6_addr);
- else
- return IN_MULTICAST(ntohl(ipa->sin.sin_addr.s_addr));
+ if (ipa->sa.sa_family == AF_INET6)
+ return ipv6_addr_is_multicast(&ipa->sin6.sin6_addr);
+ else
+ return IN_MULTICAST(ntohl(ipa->sin.sin_addr.s_addr));
}
static int vxlan_nla_get_addr(union vxlan_addr *ip, struct nlattr *nla)
{
- if (nla_len(nla) >= sizeof(struct in6_addr)) {
- nla_memcpy(&ip->sin6.sin6_addr, nla, sizeof(struct in6_addr));
- ip->sa.sa_family = AF_INET6;
- return 0;
- } else if (nla_len(nla) >= sizeof(__be32)) {
- ip->sin.sin_addr.s_addr = nla_get_be32(nla);
- ip->sa.sa_family = AF_INET;
- return 0;
- } else {
- return -EAFNOSUPPORT;
- }
+ if (nla_len(nla) >= sizeof(struct in6_addr)) {
+ ip->sin6.sin6_addr = nla_get_in6_addr(nla);
+ ip->sa.sa_family = AF_INET6;
+ return 0;
+ } else if (nla_len(nla) >= sizeof(__be32)) {
+ ip->sin.sin_addr.s_addr = nla_get_in_addr(nla);
+ ip->sa.sa_family = AF_INET;
+ return 0;
+ } else {
+ return -EAFNOSUPPORT;
+ }
}
static int vxlan_nla_put_addr(struct sk_buff *skb, int attr,
- const union vxlan_addr *ip)
+ const union vxlan_addr *ip)
{
- if (ip->sa.sa_family == AF_INET6)
- return nla_put(skb, attr, sizeof(struct in6_addr), &ip->sin6.sin6_addr);
- else
- return nla_put_be32(skb, attr, ip->sin.sin_addr.s_addr);
+ if (ip->sa.sa_family == AF_INET6)
+ return nla_put_in6_addr(skb, attr, &ip->sin6.sin6_addr);
+ else
+ return nla_put_in_addr(skb, attr, ip->sin.sin_addr.s_addr);
}
#else /* !CONFIG_IPV6 */
static inline
bool vxlan_addr_equal(const union vxlan_addr *a, const union vxlan_addr *b)
{
- return a->sin.sin_addr.s_addr == b->sin.sin_addr.s_addr;
+ return a->sin.sin_addr.s_addr == b->sin.sin_addr.s_addr;
}
static inline bool vxlan_addr_any(const union vxlan_addr *ipa)
{
- return ipa->sin.sin_addr.s_addr == htonl(INADDR_ANY);
+ return ipa->sin.sin_addr.s_addr == htonl(INADDR_ANY);
}
static inline bool vxlan_addr_multicast(const union vxlan_addr *ipa)
{
- return IN_MULTICAST(ntohl(ipa->sin.sin_addr.s_addr));
+ return IN_MULTICAST(ntohl(ipa->sin.sin_addr.s_addr));
}
static int vxlan_nla_get_addr(union vxlan_addr *ip, struct nlattr *nla)
{
- if (nla_len(nla) >= sizeof(struct in6_addr)) {
- return -EAFNOSUPPORT;
- } else if (nla_len(nla) >= sizeof(__be32)) {
- ip->sin.sin_addr.s_addr = nla_get_be32(nla);
- ip->sa.sa_family = AF_INET;
- return 0;
- } else {
- return -EAFNOSUPPORT;
- }
+ if (nla_len(nla) >= sizeof(struct in6_addr)) {
+ return -EAFNOSUPPORT;
+ } else if (nla_len(nla) >= sizeof(__be32)) {
+ ip->sin.sin_addr.s_addr = nla_get_in_addr(nla);
+ ip->sa.sa_family = AF_INET;
+ return 0;
+ } else {
+ return -EAFNOSUPPORT;
+ }
}
static int vxlan_nla_put_addr(struct sk_buff *skb, int attr,
- const union vxlan_addr *ip)
+ const union vxlan_addr *ip)
{
- return nla_put_be32(skb, attr, ip->sin.sin_addr.s_addr);
+ return nla_put_in_addr(skb, attr, ip->sin.sin_addr.s_addr);
}
#endif
/* Watch incoming packets to learn mapping between Ethernet address
* and Tunnel endpoint.
- * Return true if packet is bogus and should be droppped.
+ * Return true if packet is bogus and should be dropped.
*/
static bool vxlan_snoop(struct net_device *dev,
union vxlan_addr *src_ip, const u8 *src_mac)
EXPORT_SYMBOL_GPL(vxlan_sock_release);
/* Update multicast group membership when first VNI on
- * multicast asddress is brought up
+ * multicast address is brought up
*/
static int vxlan_igmp_join(struct vxlan_dev *vxlan)
{
* this as a malformed packet. This behavior diverges from
* VXLAN RFC (RFC7348) which stipulates that bits in reserved
* in reserved fields are to be ignored. The approach here
- * maintains compatbility with previous stack code, and also
+ * maintains compatibility with previous stack code, and also
* is more robust and provides a little more security in
* adding extensions to VXLAN.
*/
}
#if IS_ENABLED(CONFIG_IPV6)
-static int vxlan6_xmit_skb(struct dst_entry *dst, struct sk_buff *skb,
+static int vxlan6_xmit_skb(struct dst_entry *dst, struct sock *sk,
+ struct sk_buff *skb,
struct net_device *dev, struct in6_addr *saddr,
struct in6_addr *daddr, __u8 prio, __u8 ttl,
__be16 src_port, __be16 dst_port,
skb_set_inner_protocol(skb, htons(ETH_P_TEB));
- udp_tunnel6_xmit_skb(dst, skb, dev, saddr, daddr, prio,
+ udp_tunnel6_xmit_skb(dst, sk, skb, dev, saddr, daddr, prio,
ttl, src_port, dst_port,
!!(vxflags & VXLAN_F_UDP_ZERO_CSUM6_TX));
return 0;
}
#endif
-int vxlan_xmit_skb(struct rtable *rt, struct sk_buff *skb,
+int vxlan_xmit_skb(struct rtable *rt, struct sock *sk, struct sk_buff *skb,
__be32 src, __be32 dst, __u8 tos, __u8 ttl, __be16 df,
__be16 src_port, __be16 dst_port,
struct vxlan_metadata *md, bool xnet, u32 vxflags)
skb_set_inner_protocol(skb, htons(ETH_P_TEB));
- return udp_tunnel_xmit_skb(rt, skb, src, dst, tos,
+ return udp_tunnel_xmit_skb(rt, sk, skb, src, dst, tos,
ttl, df, src_port, dst_port, xnet,
!(vxflags & VXLAN_F_UDP_CSUM));
}
struct vxlan_rdst *rdst, bool did_rsc)
{
struct vxlan_dev *vxlan = netdev_priv(dev);
+ struct sock *sk = vxlan->vn_sock->sock->sk;
struct rtable *rt = NULL;
const struct iphdr *old_iph;
struct flowi4 fl4;
md.vni = htonl(vni << 8);
md.gbp = skb->mark;
- err = vxlan_xmit_skb(rt, skb, fl4.saddr,
+ err = vxlan_xmit_skb(rt, sk, skb, fl4.saddr,
dst->sin.sin_addr.s_addr, tos, ttl, df,
src_port, dst_port, &md,
!net_eq(vxlan->net, dev_net(vxlan->dev)),
md.vni = htonl(vni << 8);
md.gbp = skb->mark;
- err = vxlan6_xmit_skb(ndst, skb, dev, &fl6.saddr, &fl6.daddr,
+ err = vxlan6_xmit_skb(ndst, sk, skb, dev, &fl6.saddr, &fl6.daddr,
0, ttl, src_port, dst_port, &md,
!net_eq(vxlan->net, dev_net(vxlan->dev)),
vxlan->flags);
struct vxlan_sock *vs = vxlan->vn_sock;
int ret = 0;
- if (vs && vxlan_addr_multicast(&vxlan->default_dst.remote_ip) &&
+ if (vxlan_addr_multicast(&vxlan->default_dst.remote_ip) &&
!vxlan_group_used(vn, vxlan)) {
ret = vxlan_igmp_leave(vxlan);
if (ret)
/* Unless IPv6 is explicitly requested, assume IPv4 */
dst->remote_ip.sa.sa_family = AF_INET;
if (data[IFLA_VXLAN_GROUP]) {
- dst->remote_ip.sin.sin_addr.s_addr = nla_get_be32(data[IFLA_VXLAN_GROUP]);
+ dst->remote_ip.sin.sin_addr.s_addr = nla_get_in_addr(data[IFLA_VXLAN_GROUP]);
} else if (data[IFLA_VXLAN_GROUP6]) {
if (!IS_ENABLED(CONFIG_IPV6))
return -EPFNOSUPPORT;
- nla_memcpy(&dst->remote_ip.sin6.sin6_addr, data[IFLA_VXLAN_GROUP6],
- sizeof(struct in6_addr));
+ dst->remote_ip.sin6.sin6_addr = nla_get_in6_addr(data[IFLA_VXLAN_GROUP6]);
dst->remote_ip.sa.sa_family = AF_INET6;
use_ipv6 = true;
}
if (data[IFLA_VXLAN_LOCAL]) {
- vxlan->saddr.sin.sin_addr.s_addr = nla_get_be32(data[IFLA_VXLAN_LOCAL]);
+ vxlan->saddr.sin.sin_addr.s_addr = nla_get_in_addr(data[IFLA_VXLAN_LOCAL]);
vxlan->saddr.sa.sa_family = AF_INET;
} else if (data[IFLA_VXLAN_LOCAL6]) {
if (!IS_ENABLED(CONFIG_IPV6))
return -EPFNOSUPPORT;
/* TODO: respect scope id */
- nla_memcpy(&vxlan->saddr.sin6.sin6_addr, data[IFLA_VXLAN_LOCAL6],
- sizeof(struct in6_addr));
+ vxlan->saddr.sin6.sin6_addr = nla_get_in6_addr(data[IFLA_VXLAN_LOCAL6]);
vxlan->saddr.sa.sa_family = AF_INET6;
use_ipv6 = true;
}
if (!vxlan_addr_any(&dst->remote_ip)) {
if (dst->remote_ip.sa.sa_family == AF_INET) {
- if (nla_put_be32(skb, IFLA_VXLAN_GROUP,
- dst->remote_ip.sin.sin_addr.s_addr))
+ if (nla_put_in_addr(skb, IFLA_VXLAN_GROUP,
+ dst->remote_ip.sin.sin_addr.s_addr))
goto nla_put_failure;
#if IS_ENABLED(CONFIG_IPV6)
} else {
- if (nla_put(skb, IFLA_VXLAN_GROUP6, sizeof(struct in6_addr),
- &dst->remote_ip.sin6.sin6_addr))
+ if (nla_put_in6_addr(skb, IFLA_VXLAN_GROUP6,
+ &dst->remote_ip.sin6.sin6_addr))
goto nla_put_failure;
#endif
}
if (!vxlan_addr_any(&vxlan->saddr)) {
if (vxlan->saddr.sa.sa_family == AF_INET) {
- if (nla_put_be32(skb, IFLA_VXLAN_LOCAL,
- vxlan->saddr.sin.sin_addr.s_addr))
+ if (nla_put_in_addr(skb, IFLA_VXLAN_LOCAL,
+ vxlan->saddr.sin.sin_addr.s_addr))
goto nla_put_failure;
#if IS_ENABLED(CONFIG_IPV6)
} else {
- if (nla_put(skb, IFLA_VXLAN_LOCAL6, sizeof(struct in6_addr),
- &vxlan->saddr.sin6.sin6_addr))
+ if (nla_put_in6_addr(skb, IFLA_VXLAN_LOCAL6,
+ &vxlan->saddr.sin6.sin6_addr))
goto nla_put_failure;
#endif
}
projects / deliverable / linux.git / blobdiff