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ip_tunnels: add IPv6 addresses to ip_tunnel_key

Browse source 
Add the IPv6 addresses as an union with IPv4 ones. When using IPv4, the
newly introduced padding after the IPv4 addresses needs to be zeroed out.

Signed-off-by: Jiri Benc <jbenc@redhat.com>
Acked-by: Thomas Graf <tgraf@suug.ch>
Acked-by: Alexei Starovoitov <ast@plumgrid.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jiri Benc 2015-08-20 13:56:23 +02:00 • committed by David S. Miller
commit c1ea5d672a
10 changed files with 48 additions and 32 deletions
Download patch file Download diff file Expand all files Collapse all files

18
net/openvswitch/flow_netlink.c
View file

@ -534,11 +534,11 @@ static int ipv4_tun_from_nlattr(const struct nlattr *attr,
tun_flags |= TUNNEL_KEY;
break;
case OVS_TUNNEL_KEY_ATTR_IPV4_SRC:
SW_FLOW_KEY_PUT(match, tun_key.ipv4_src,
SW_FLOW_KEY_PUT(match, tun_key.u.ipv4.src,
nla_get_in_addr(a), is_mask);
break;
case OVS_TUNNEL_KEY_ATTR_IPV4_DST:
SW_FLOW_KEY_PUT(match, tun_key.ipv4_dst,
SW_FLOW_KEY_PUT(match, tun_key.u.ipv4.dst,
nla_get_in_addr(a), is_mask);
break;
case OVS_TUNNEL_KEY_ATTR_TOS:
@ -609,7 +609,7 @@ static int ipv4_tun_from_nlattr(const struct nlattr *attr,
}
if (!is_mask) {
if (!match->key->tun_key.ipv4_dst) {
if (!match->key->tun_key.u.ipv4.dst) {
OVS_NLERR(log, "IPv4 tunnel dst address is zero");
return -EINVAL;
}
@ -647,13 +647,13 @@ static int __ipv4_tun_to_nlattr(struct sk_buff *skb,
if (output->tun_flags & TUNNEL_KEY &&
nla_put_be64(skb, OVS_TUNNEL_KEY_ATTR_ID, output->tun_id))
return -EMSGSIZE;
if (output->ipv4_src &&
if (output->u.ipv4.src &&
nla_put_in_addr(skb, OVS_TUNNEL_KEY_ATTR_IPV4_SRC,
output->ipv4_src))
output->u.ipv4.src))
return -EMSGSIZE;
if (output->ipv4_dst &&
if (output->u.ipv4.dst &&
nla_put_in_addr(skb, OVS_TUNNEL_KEY_ATTR_IPV4_DST,
output->ipv4_dst))
output->u.ipv4.dst))
return -EMSGSIZE;
if (output->ipv4_tos &&
nla_put_u8(skb, OVS_TUNNEL_KEY_ATTR_TOS, output->ipv4_tos))
@ -1116,7 +1116,7 @@ int ovs_nla_get_match(struct sw_flow_match *match,
/* The userspace does not send tunnel attributes that
* are 0, but we should not wildcard them nonetheless.
*/
if (match->key->tun_key.ipv4_dst)
if (match->key->tun_key.u.ipv4.dst)
SW_FLOW_KEY_MEMSET_FIELD(match, tun_key,
0xff, true);
@ -1287,7 +1287,7 @@ static int __ovs_nla_put_key(const struct sw_flow_key *swkey,
if (nla_put_u32(skb, OVS_KEY_ATTR_PRIORITY, output->phy.priority))
goto nla_put_failure;
if ((swkey->tun_key.ipv4_dst || is_mask)) {
if ((swkey->tun_key.u.ipv4.dst || is_mask)) {
const void *opts = NULL;
if (output->tun_key.tun_flags & TUNNEL_OPTIONS_PRESENT)

2
net/openvswitch/flow_table.c
View file

@ -426,7 +426,7 @@ static u32 flow_hash(const struct sw_flow_key *key,
static int flow_key_start(const struct sw_flow_key *key)
{
if (key->tun_key.ipv4_dst)
if (key->tun_key.u.ipv4.dst)
return 0;
else
return rounddown(offsetof(struct sw_flow_key, phy),

2
net/openvswitch/vport-geneve.c
View file

@ -203,7 +203,7 @@ static int geneve_tnl_send(struct vport *vport, struct sk_buff *skb)
}
err = geneve_xmit_skb(geneve_port->gs, rt, skb, fl.saddr,
tun_key->ipv4_dst, tun_key->ipv4_tos,
tun_key->u.ipv4.dst, tun_key->ipv4_tos,
tun_key->ipv4_ttl, df, sport, dport,
tun_key->tun_flags, vni, opts_len, opts,
!!(tun_key->tun_flags & TUNNEL_CSUM), false);

2
net/openvswitch/vport.c
View file

@ -603,7 +603,7 @@ int ovs_tunnel_get_egress_info(struct ip_tunnel_info *egress_tun_info,
* saddr, tp_src and tp_dst
*/
__ip_tunnel_info_init(egress_tun_info,
fl.saddr, tun_key->ipv4_dst,
fl.saddr, tun_key->u.ipv4.dst,
tun_key->ipv4_tos,
tun_key->ipv4_ttl,
tp_src, tp_dst,

4
net/openvswitch/vport.h
View file

@ -254,8 +254,8 @@ static inline struct rtable *ovs_tunnel_route_lookup(struct net *net,
struct rtable *rt;
memset(fl, 0, sizeof(*fl));
fl->daddr = key->ipv4_dst;
fl->saddr = key->ipv4_src;
fl->daddr = key->u.ipv4.dst;
fl->saddr = key->u.ipv4.src;
fl->flowi4_tos = RT_TOS(key->ipv4_tos);
fl->flowi4_mark = mark;
fl->flowi4_proto = protocol;