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authorDavid Ahern <dsa@cumulusnetworks.com>2016-02-02 18:43:45 +0300
committerDavid S. Miller <davem@davemloft.net>2016-02-07 22:02:22 +0300
commit67eb03318bc5fe170ae832423fda7a23b0d801cf (patch)
tree9f5a83fb008781ba06e605a2ef88ec6d294ec24a /drivers/net/vrf.c
parent22fae97d863679994b951799dd4bbe7afd95897b (diff)
downloadlinux-67eb03318bc5fe170ae832423fda7a23b0d801cf.tar.xz
net: Add support for fill_slave_info to VRF device
Allows userspace to have direct access to VRF table association versus looking up master device and its table. Signed-off-by: David Ahern <dsa@cumulusnetworks.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/vrf.c')
-rw-r--r--drivers/net/vrf.c21
1 files changed, 21 insertions, 0 deletions
diff --git a/drivers/net/vrf.c b/drivers/net/vrf.c
index 66addb7a7911..76e1fc9d8748 100644
--- a/drivers/net/vrf.c
+++ b/drivers/net/vrf.c
@@ -877,6 +877,24 @@ static int vrf_fillinfo(struct sk_buff *skb,
return nla_put_u32(skb, IFLA_VRF_TABLE, vrf->tb_id);
}
+static size_t vrf_get_slave_size(const struct net_device *bond_dev,
+ const struct net_device *slave_dev)
+{
+ return nla_total_size(sizeof(u32)); /* IFLA_VRF_PORT_TABLE */
+}
+
+static int vrf_fill_slave_info(struct sk_buff *skb,
+ const struct net_device *vrf_dev,
+ const struct net_device *slave_dev)
+{
+ struct net_vrf *vrf = netdev_priv(vrf_dev);
+
+ if (nla_put_u32(skb, IFLA_VRF_PORT_TABLE, vrf->tb_id))
+ return -EMSGSIZE;
+
+ return 0;
+}
+
static const struct nla_policy vrf_nl_policy[IFLA_VRF_MAX + 1] = {
[IFLA_VRF_TABLE] = { .type = NLA_U32 },
};
@@ -890,6 +908,9 @@ static struct rtnl_link_ops vrf_link_ops __read_mostly = {
.validate = vrf_validate,
.fill_info = vrf_fillinfo,
+ .get_slave_size = vrf_get_slave_size,
+ .fill_slave_info = vrf_fill_slave_info,
+
.newlink = vrf_newlink,
.dellink = vrf_dellink,
.setup = vrf_setup,