aboutsummaryrefslogtreecommitdiff
path: root/drivers/net/dsa/microchip/ksz9477.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/dsa/microchip/ksz9477.c')
-rw-r--r--drivers/net/dsa/microchip/ksz9477.c53
1 files changed, 36 insertions, 17 deletions
diff --git a/drivers/net/dsa/microchip/ksz9477.c b/drivers/net/dsa/microchip/ksz9477.c
index a6a0321a8931..bf13d47c26cf 100644
--- a/drivers/net/dsa/microchip/ksz9477.c
+++ b/drivers/net/dsa/microchip/ksz9477.c
@@ -45,24 +45,15 @@ static void ksz9477_port_cfg32(struct ksz_device *dev, int port, int offset,
int ksz9477_change_mtu(struct ksz_device *dev, int port, int mtu)
{
- u16 frame_size, max_frame = 0;
- int i;
-
- frame_size = mtu + VLAN_ETH_HLEN + ETH_FCS_LEN;
+ u16 frame_size;
- /* Cache the per-port MTU setting */
- dev->ports[port].max_frame = frame_size;
+ if (!dsa_is_cpu_port(dev->ds, port))
+ return 0;
- for (i = 0; i < dev->info->port_cnt; i++)
- max_frame = max(max_frame, dev->ports[i].max_frame);
+ frame_size = mtu + VLAN_ETH_HLEN + ETH_FCS_LEN;
return regmap_update_bits(dev->regmap[1], REG_SW_MTU__2,
- REG_SW_MTU_MASK, max_frame);
-}
-
-int ksz9477_max_mtu(struct ksz_device *dev, int port)
-{
- return KSZ9477_MAX_FRAME_SIZE - VLAN_ETH_HLEN - ETH_FCS_LEN;
+ REG_SW_MTU_MASK, frame_size);
}
static int ksz9477_wait_vlan_ctrl_ready(struct ksz_device *dev)
@@ -195,7 +186,8 @@ int ksz9477_reset_switch(struct ksz_device *dev)
/* KSZ9893 compatible chips do not support refclk configuration */
if (dev->chip_id == KSZ9893_CHIP_ID ||
- dev->chip_id == KSZ8563_CHIP_ID)
+ dev->chip_id == KSZ8563_CHIP_ID ||
+ dev->chip_id == KSZ9563_CHIP_ID)
return 0;
data8 = SW_ENABLE_REFCLKO;
@@ -548,10 +540,10 @@ int ksz9477_fdb_del(struct ksz_device *dev, int port,
ksz_read32(dev, REG_SW_ALU_VAL_D, &alu_table[3]);
/* clear forwarding port */
- alu_table[2] &= ~BIT(port);
+ alu_table[1] &= ~BIT(port);
/* if there is no port to forward, clear table */
- if ((alu_table[2] & ALU_V_PORT_MAP) == 0) {
+ if ((alu_table[1] & ALU_V_PORT_MAP) == 0) {
alu_table[0] = 0;
alu_table[1] = 0;
alu_table[2] = 0;
@@ -988,6 +980,22 @@ int ksz9477_set_ageing_time(struct ksz_device *dev, unsigned int msecs)
return ksz_write8(dev, REG_SW_LUE_CTRL_0, value);
}
+void ksz9477_port_queue_split(struct ksz_device *dev, int port)
+{
+ u8 data;
+
+ if (dev->info->num_tx_queues == 8)
+ data = PORT_EIGHT_QUEUE;
+ else if (dev->info->num_tx_queues == 4)
+ data = PORT_FOUR_QUEUE;
+ else if (dev->info->num_tx_queues == 2)
+ data = PORT_TWO_QUEUE;
+ else
+ data = PORT_SINGLE_QUEUE;
+
+ ksz_prmw8(dev, port, REG_PORT_CTRL_0, PORT_QUEUE_SPLIT_MASK, data);
+}
+
void ksz9477_port_setup(struct ksz_device *dev, int port, bool cpu_port)
{
struct dsa_switch *ds = dev->ds;
@@ -999,6 +1007,8 @@ void ksz9477_port_setup(struct ksz_device *dev, int port, bool cpu_port)
ksz_port_cfg(dev, port, REG_PORT_CTRL_0, PORT_TAIL_TAG_ENABLE,
true);
+ ksz9477_port_queue_split(dev, port);
+
ksz_port_cfg(dev, port, REG_PORT_CTRL_0, PORT_MAC_LOOPBACK, false);
/* set back pressure */
@@ -1142,6 +1152,8 @@ int ksz9477_setup(struct dsa_switch *ds)
struct ksz_device *dev = ds->priv;
int ret = 0;
+ ds->mtu_enforcement_ingress = true;
+
/* Required for port partitioning. */
ksz9477_cfg32(dev, REG_SW_QM_CTRL__4, UNICAST_VLAN_BOUNDARY,
true);
@@ -1172,6 +1184,13 @@ u32 ksz9477_get_port_addr(int port, int offset)
return PORT_CTRL_ADDR(port, offset);
}
+int ksz9477_tc_cbs_set_cinc(struct ksz_device *dev, int port, u32 val)
+{
+ val = val >> 8;
+
+ return ksz_pwrite16(dev, port, REG_PORT_MTI_CREDIT_INCREMENT, val);
+}
+
int ksz9477_switch_init(struct ksz_device *dev)
{
u8 data8;