[PATCH net-next v2 5/6] net: qualcomm: rmnet: Allow to configure flags for new devices

[Subash Abhinov Kasiviswanathan]

Add an option to configure the rmnet aggregation and command features
on device creation. This is achieved by using the vlan flags option.

Signed-off-by: Subash Abhinov Kasiviswanathan <subas...@codeaurora.org>
---
 drivers/net/ethernet/qualcomm/rmnet/rmnet_config.c | 16 +++++++++++++---
 1 file changed, 13 insertions(+), 3 deletions(-)

diff --git a/drivers/net/ethernet/qualcomm/rmnet/rmnet_config.c 
b/drivers/net/ethernet/qualcomm/rmnet/rmnet_config.c
index 5e530db..2f5f661 100644
--- a/drivers/net/ethernet/qualcomm/rmnet/rmnet_config.c
+++ b/drivers/net/ethernet/qualcomm/rmnet/rmnet_config.c
@@ -177,11 +177,20 @@ static int rmnet_newlink(struct net *src_net, struct 
net_device *dev,
        if (err)
                goto err2;
 
-       netdev_dbg(dev, "data format [ingress 0x%08X]\n", ingress_format);
-       port->ingress_data_format = ingress_format;
        port->rmnet_mode = mode;
 
        hlist_add_head_rcu(&ep->hlnode, &port->muxed_ep[mux_id]);
+
+       if (data[IFLA_VLAN_FLAGS]) {
+               struct ifla_vlan_flags *flags;
+
+               flags = nla_data(data[IFLA_VLAN_FLAGS]);
+               ingress_format = flags->flags & flags->mask;
+       }
+
+       netdev_dbg(dev, "data format [ingress 0x%08X]\n", ingress_format);
+       port->ingress_data_format = ingress_format;
+
        return 0;
 
 err2:
@@ -312,7 +321,8 @@ static int rmnet_rtnl_validate(struct nlattr *tb[], struct 
nlattr *data[],
 
 static size_t rmnet_get_size(const struct net_device *dev)
 {
-       return nla_total_size(2); /* IFLA_VLAN_ID */
+       return nla_total_size(2) /* IFLA_VLAN_ID */ +
+       nla_total_size(sizeof(struct ifla_vlan_flags)); /* IFLA_VLAN_FLAGS */
 }
 
 struct rtnl_link_ops rmnet_link_ops __read_mostly = {
-- 
1.9.1