net: sh_eth: add support for VLAN tag filtering
Some controllers have TSU. It can register one VLAN tag, and it can
filter other VLAN tag by hardware.
If vlan_rx_add_vid() is called twice or more, the driver will disable
the filtering.
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/ethernet/renesas/sh_eth.h b/drivers/net/ethernet/renesas/sh_eth.h
index 86b392e..57dc262 100644
--- a/drivers/net/ethernet/renesas/sh_eth.h
+++ b/drivers/net/ethernet/renesas/sh_eth.h
@@ -679,6 +679,10 @@
TSU_FWSLC_CAMSEL11 = 0x0002, TSU_FWSLC_CAMSEL10 = 0x0001,
};
+/* TSU_VTAGn */
+#define TSU_VTAG_ENABLE 0x80000000
+#define TSU_VTAG_VID_MASK 0x00000fff
+
/*
* The sh ether Tx buffer descriptors.
* This structure should be 20 bytes.
@@ -781,6 +785,7 @@
char post_fw; /* POST forward */
struct net_device_stats tsu_stats; /* TSU forward status */
int port; /* for TSU */
+ int vlan_num_ids; /* for VLAN tag filter */
unsigned no_ether_link:1;
unsigned ether_link_active_low:1;