diff mbox series

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

Message ID 1512853110-4893-6-git-send-email-subashab@codeaurora.org
State Changes Requested, archived
Delegated to: David Miller
Headers show
Series [net-next,v2,1/6] net: qualcomm: rmnet: Remove the rmnet_map_results enum | expand

Commit Message

Subash Abhinov Kasiviswanathan Dec. 9, 2017, 8:58 p.m. UTC
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 <subashab@codeaurora.org>
---
 drivers/net/ethernet/qualcomm/rmnet/rmnet_config.c | 16 +++++++++++++---
 1 file changed, 13 insertions(+), 3 deletions(-)

Comments

David Miller Dec. 11, 2017, 5:18 p.m. UTC | #1
From: Subash Abhinov Kasiviswanathan <subashab@codeaurora.org>
Date: Sat,  9 Dec 2017 13:58:29 -0700

> @@ -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 */
>  }
>  

Please indent this return statement properly, the second line of the
expression definitely should not start at the same column as the
'return'.

Thank you.
Dan Williams Dec. 11, 2017, 7:54 p.m. UTC | #2
On Sat, 2017-12-09 at 13:58 -0700, Subash Abhinov Kasiviswanathan
wrote:
> Add an option to configure the rmnet aggregation and command features
> on device creation. This is achieved by using the vlan flags option.

Still seems kinda odd to overload IFLA_VLAN_FLAGS to carry
RMNET_INGRESS/EGRESS_FORMAT_* flags, but I'll leave that decision to
others...

Dan

> Signed-off-by: Subash Abhinov Kasiviswanathan
> <subashab@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 = {
diff mbox series

Patch

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 = {