net: sh_eth: add support for multicast filtering
Some controllers have TSU. It can filter multicast by hardware.
This patch supports it.
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 cb07add..86b392e 100644
--- a/drivers/net/ethernet/renesas/sh_eth.h
+++ b/drivers/net/ethernet/renesas/sh_eth.h
@@ -29,6 +29,8 @@
#define RX_RING_SIZE 64 /* Rx ring size */
#define ETHERSMALL 60
#define PKT_BUF_SZ 1538
+#define SH_ETH_TSU_TIMEOUT_MS 500
+#define SH_ETH_TSU_CAM_ENTRIES 32
enum {
/* E-DMAC registers */
@@ -778,6 +780,7 @@
char post_rx; /* POST receive */
char post_fw; /* POST forward */
struct net_device_stats tsu_stats; /* TSU forward status */
+ int port; /* for TSU */
unsigned no_ether_link:1;
unsigned ether_link_active_low:1;
@@ -811,6 +814,12 @@
return ioread32(mdp->addr + mdp->reg_offset[enum_index]);
}
+static inline void *sh_eth_tsu_get_offset(struct sh_eth_private *mdp,
+ int enum_index)
+{
+ return mdp->tsu_addr + mdp->reg_offset[enum_index];
+}
+
static inline void sh_eth_tsu_write(struct sh_eth_private *mdp,
unsigned long data, int enum_index)
{