On Tue, Jan 29, 2013 at 01:42:25AM +0530, Mugunthan V N wrote:
> adding support for VLAN interface for cpsw.
>
> CPSW VLAN Capability
> * Can filter VLAN packets in Hardware
>
> Signed-off-by: Mugunthan V N <mugunthan...@ti.com>
> ---
> Documentation/devicetree/bindings/net/cpsw.txt | 2 +
> drivers/net/ethernet/ti/cpsw.c | 108
> +++++++++++++++++++++++-
> include/linux/platform_data/cpsw.h | 1 +
> 3 files changed, 110 insertions(+), 1 deletion(-)
>
> diff --git a/Documentation/devicetree/bindings/net/cpsw.txt
> b/Documentation/devicetree/bindings/net/cpsw.txt
> index 6ddd028..99696bf 100644
> --- a/Documentation/devicetree/bindings/net/cpsw.txt
> +++ b/Documentation/devicetree/bindings/net/cpsw.txt
> @@ -24,6 +24,8 @@ Required properties:
> Optional properties:
> - ti,hwmods : Must be "cpgmac0"
> - no_bd_ram : Must be 0 or 1
> +- default_vlan : Specifies Default VLAN for non tagged packets
> + ALE processing
>
> Note: "ti,hwmods" field is used to fetch the base address and irq
> resources from TI, omap hwmod data base during device registration.
> diff --git a/drivers/net/ethernet/ti/cpsw.c b/drivers/net/ethernet/ti/cpsw.c
> index b35e6a7..dee6951 100644
> --- a/drivers/net/ethernet/ti/cpsw.c
> +++ b/drivers/net/ethernet/ti/cpsw.c
> @@ -32,6 +32,7 @@
> #include <linux/of.h>
> #include <linux/of_net.h>
> #include <linux/of_device.h>
> +#include <linux/if_vlan.h>
>
> #include <linux/platform_data/cpsw.h>
>
> @@ -72,6 +73,11 @@ do {
> \
> dev_notice(priv->dev, format, ## __VA_ARGS__); \
> } while (0)
>
> +#if defined(CONFIG_VLAN_8021Q) || defined(CONFIG_VLAN_8021Q_MODULE)
use IS_ENABLED() instead.
> +#define VLAN_SUPPORT
> +#define CPSW_VLAN_AWARE_MODE
> +#endif
> +
> #define ALE_ALL_PORTS 0x7
>
> #define CPSW_MAJOR_VERSION(reg) (reg >> 8 & 0x7)
> @@ -118,6 +124,14 @@ do {
> \
> #define TX_PRIORITY_MAPPING 0x33221100
> #define CPDMA_TX_PRIORITY_MAP 0x76543210
>
> +#ifdef CPSW_VLAN_AWARE_MODE
> +#define CPSW_VLAN_AWARE BIT(1)
> +#define CPSW_ALE_VLAN_AWARE 1
> +#else
> +#define CPSW_VLAN_AWARE 0x0
> +#define CPSW_ALE_VLAN_AWARE 0
> +#endif
you should really figure out a way of doing runtime detection for this.
Depending on driver recompilation just to enable/disable VLAN support
will be quite boring.
--
balbi
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