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net: sh_eth: add support for multicast filtering

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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>
This commit is contained in:
Yoshihiro Shimoda
2012-02-15 17:55:03 +00:00
committed by David S. Miller
parent 6ba88021c3
commit 6743fe6df4
2 changed files with 286 additions and 5 deletions
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9
drivers/net/ethernet/renesas/sh_eth.h
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@@ -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 @@ struct sh_eth_private {
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 @@ static inline unsigned long sh_eth_read(struct net_device *ndev,
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)
{