diff options
Diffstat (limited to 'target/linux/ar71xx/files/drivers')
| -rw-r--r-- | target/linux/ar71xx/files/drivers/net/ag71xx/ag71xx_ar7240.c | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/target/linux/ar71xx/files/drivers/net/ag71xx/ag71xx_ar7240.c b/target/linux/ar71xx/files/drivers/net/ag71xx/ag71xx_ar7240.c index 8e1584999..22240902b 100644 --- a/target/linux/ar71xx/files/drivers/net/ag71xx/ag71xx_ar7240.c +++ b/target/linux/ar71xx/files/drivers/net/ag71xx/ag71xx_ar7240.c @@ -96,6 +96,7 @@ #define AR7240_REG_PORT_BASE(_port) (0x100 + (_port) * 0x100) #define AR7240_REG_PORT_STATUS(_port) (AR7240_REG_PORT_BASE((_port)) + 0x00) +#define AR7240_PORT_STATUS_SPEED_S 0 #define AR7240_PORT_STATUS_SPEED_M BITM(2) #define AR7240_PORT_STATUS_SPEED_10 0 #define AR7240_PORT_STATUS_SPEED_100 1 @@ -207,6 +208,7 @@ struct ar7240sw { u8 vlan_table[AR7240_MAX_VLANS]; u8 vlan_tagged; u16 pvid[AR7240_NUM_PORTS]; + char buf[80]; }; struct ar7240sw_hw_stat { @@ -645,6 +647,63 @@ ar7240_get_vlan(struct switch_dev *dev, const struct switch_attr *attr, return 0; } +static const char * +ar7240_speed_str(u32 status) +{ + u32 speed; + + speed = (status >> AR7240_PORT_STATUS_SPEED_S) & + AR7240_PORT_STATUS_SPEED_M; + switch (speed) { + case AR7240_PORT_STATUS_SPEED_10: + return "10baseT"; + case AR7240_PORT_STATUS_SPEED_100: + return "100baseT"; + case AR7240_PORT_STATUS_SPEED_1000: + return "1000baseT"; + } + + return "unknown"; +} + +static int +ar7240_port_get_link(struct switch_dev *dev, const struct switch_attr *attr, + struct switch_val *val) +{ + struct ar7240sw *as = sw_to_ar7240(dev); + struct mii_bus *mii = as->mii_bus; + u32 len; + u32 status; + int port; + + port = val->port_vlan; + + memset(as->buf, '\0', sizeof(as->buf)); + status = ar7240sw_reg_read(mii, AR7240_REG_PORT_STATUS(port)); + + if (status & AR7240_PORT_STATUS_LINK_UP) { + len = snprintf(as->buf, sizeof(as->buf), + "port:%d link:up speed:%s %s-duplex %s%s%s", + port, + ar7240_speed_str(status), + (status & AR7240_PORT_STATUS_DUPLEX) ? + "full" : "half", + (status & AR7240_PORT_STATUS_TXFLOW) ? + "txflow ": "", + (status & AR7240_PORT_STATUS_RXFLOW) ? + "rxflow " : "", + (status & AR7240_PORT_STATUS_LINK_AUTO) ? + "auto ": ""); + } else { + len = snprintf(as->buf, sizeof(as->buf), + "port:%d link:down", port); + } + + val->value.s = as->buf; + val->len = len; + + return 0; +} static void ar7240_vtu_op(struct ar7240sw *as, u32 op, u32 val) @@ -733,6 +792,14 @@ static struct switch_attr ar7240_globals[] = { }; static struct switch_attr ar7240_port[] = { + { + .type = SWITCH_TYPE_STRING, + .name = "link", + .description = "Get port link information", + .max = 1, + .set = NULL, + .get = ar7240_port_get_link, + }, }; static struct switch_attr ar7240_vlan[] = { |