netlink: implement nla_get_in_addr and nla_get_in6_addr

Those are counterparts to nla_put_in_addr and nla_put_in6_addr.

Signed-off-by: Jiri Benc <jbenc@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Esse commit está contido em:
Jiri Benc
2015-03-29 16:59:26 +02:00
commit de David S. Miller
commit 67b61f6c13
21 arquivos alterados com 72 adições e 62 exclusões

Ver arquivo

@@ -171,11 +171,11 @@ static inline bool vxlan_addr_multicast(const union vxlan_addr *ipa)
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->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_be32(nla);
ip->sin.sin_addr.s_addr = nla_get_in_addr(nla);
ip->sa.sa_family = AF_INET;
return 0;
} else {
@@ -215,7 +215,7 @@ 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->sin.sin_addr.s_addr = nla_get_in_addr(nla);
ip->sa.sa_family = AF_INET;
return 0;
} else {
@@ -2602,27 +2602,25 @@ static int vxlan_newlink(struct net *src_net, struct net_device *dev,
/* 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;
}