diff options
Diffstat (limited to 'target/linux')
| -rw-r--r-- | target/linux/generic/files/drivers/net/phy/adm6996.c | 126 | ||||
| -rw-r--r-- | target/linux/generic/files/drivers/net/phy/adm6996.h | 18 |
2 files changed, 144 insertions, 0 deletions
diff --git a/target/linux/generic/files/drivers/net/phy/adm6996.c b/target/linux/generic/files/drivers/net/phy/adm6996.c index ce48b528cc..7e47f3dc1a 100644 --- a/target/linux/generic/files/drivers/net/phy/adm6996.c +++ b/target/linux/generic/files/drivers/net/phy/adm6996.c @@ -6,6 +6,7 @@ * Copyright (c) 2008 Felix Fietkau <nbd@openwrt.org> * VLAN support Copyright (c) 2010, 2011 Peter Lebbing <peter@digitalbrains.com> * Copyright (c) 2013 Hauke Mehrtens <hauke@hauke-m.de> + * Copyright (c) 2014 Matti Laakso <malaakso@elisanet.fi> * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License v2 as published by the @@ -54,6 +55,11 @@ static const char * const adm6996_model_name[] = "ADM6996L" }; +struct adm6996_mib_desc { + unsigned int offset; + const char *name; +}; + struct adm6996_priv { struct switch_dev dev; void *priv; @@ -78,6 +84,9 @@ struct adm6996_priv { u16 vlan_id[ADM_NUM_VLANS]; u8 vlan_table[ADM_NUM_VLANS]; /* bitmap, 1 = port is member */ u8 vlan_tagged[ADM_NUM_VLANS]; /* bitmap, 1 = tagged member */ + + struct mutex mib_lock; + char buf[2048]; struct mutex reg_mutex; @@ -89,6 +98,21 @@ struct adm6996_priv { #define to_adm(_dev) container_of(_dev, struct adm6996_priv, dev) #define phy_to_adm(_phy) ((struct adm6996_priv *) (_phy)->priv) +#define MIB_DESC(_o, _n) \ + { \ + .offset = (_o), \ + .name = (_n), \ + } + +static const struct adm6996_mib_desc adm6996_mibs[] = { + MIB_DESC(ADM_CL0, "RxPacket"), + MIB_DESC(ADM_CL6, "RxByte"), + MIB_DESC(ADM_CL12, "TxPacket"), + MIB_DESC(ADM_CL18, "TxByte"), + MIB_DESC(ADM_CL24, "Collision"), + MIB_DESC(ADM_CL30, "Error"), +}; + static inline u16 r16(struct adm6996_priv *priv, enum admreg reg) { @@ -773,6 +797,99 @@ adm6996_reset_switch(struct switch_dev *dev) return 0; } +static int +adm6996_get_port_link(struct switch_dev *dev, int port, + struct switch_port_link *link) +{ + struct adm6996_priv *priv = to_adm(dev); + + u16 reg = 0; + u32 speed; + + if (port >= ADM_NUM_PORTS) + return -EINVAL; + + switch (port) { + case 0: + reg = r16(priv, ADM_PS0); + break; + case 1: + reg = r16(priv, ADM_PS0); + reg = reg >> 8; + break; + case 2: + reg = r16(priv, ADM_PS1); + break; + case 3: + reg = r16(priv, ADM_PS1); + reg = reg >> 8; + break; + case 4: + reg = r16(priv, ADM_PS1); + reg = reg >> 12; + break; + case 5: + reg = r16(priv, ADM_PS2); + /* Bits 0, 1, 3 and 4. */ + reg = (reg & 3) | ((reg & 24) >> 1); + break; + default: + return -EINVAL; + } + + link->link = reg & ADM_PS_LS; + if (!link->link) + return 0; + link->aneg = true; + link->duplex = reg & ADM_PS_DS; + link->tx_flow = reg & ADM_PS_FCS; + link->rx_flow = reg & ADM_PS_FCS; + if (reg & ADM_PS_SS) + link->speed = SWITCH_PORT_SPEED_100; + else + link->speed = SWITCH_PORT_SPEED_10; + + return 0; +} + +static int +adm6996_sw_get_port_mib(struct switch_dev *dev, + const struct switch_attr *attr, + struct switch_val *val) +{ + struct adm6996_priv *priv = to_adm(dev); + int port; + char *buf = priv->buf; + int i, len = 0; + u32 reg = 0; + + port = val->port_vlan; + if (port >= ADM_NUM_PORTS) + return -EINVAL; + + mutex_lock(&priv->mib_lock); + + len += snprintf(buf + len, sizeof(priv->buf) - len, + "Port %d MIB counters\n", + port); + + for (i = 0; i < ARRAY_SIZE(adm6996_mibs); i++) { + reg = r16(priv, adm6996_mibs[i].offset + ADM_OFFSET_PORT(port)); + reg += r16(priv, adm6996_mibs[i].offset + ADM_OFFSET_PORT(port) + 1) << 16; + len += snprintf(buf + len, sizeof(priv->buf) - len, + "%-12s: %lu\n", + adm6996_mibs[i].name, + reg); + } + + mutex_unlock(&priv->mib_lock); + + val->value.s = buf; + val->len = len; + + return 0; +} + static struct switch_attr adm6996_globals[] = { { .type = SWITCH_TYPE_INT, @@ -802,6 +919,13 @@ static struct switch_attr adm6996_globals[] = { }; static struct switch_attr adm6996_port[] = { + { + .type = SWITCH_TYPE_STRING, + .name = "mib", + .description = "Get port's MIB counters", + .set = NULL, + .get = adm6996_sw_get_port_mib, + }, }; static struct switch_attr adm6996_vlan[] = { @@ -833,6 +957,7 @@ static const struct switch_dev_ops adm6996_ops = { .set_vlan_ports = adm6996_set_ports, .apply_config = adm6996_hw_apply, .reset_switch = adm6996_reset_switch, + .get_port_link = adm6996_get_port_link, }; static int adm6996_switch_init(struct adm6996_priv *priv, const char *alias, struct net_device *netdev) @@ -899,6 +1024,7 @@ static int adm6996_config_init(struct phy_device *pdev) return -ENOMEM; mutex_init(&priv->reg_mutex); + mutex_init(&priv->mib_lock); priv->priv = pdev; priv->read = adm6996_read_mii_reg; priv->write = adm6996_write_mii_reg; diff --git a/target/linux/generic/files/drivers/net/phy/adm6996.h b/target/linux/generic/files/drivers/net/phy/adm6996.h index b30eceafdd..66c77a0968 100644 --- a/target/linux/generic/files/drivers/net/phy/adm6996.h +++ b/target/linux/generic/files/drivers/net/phy/adm6996.h @@ -50,6 +50,16 @@ enum admreg { ADM_COUNTER_BASE = 0xa0, ADM_SIG0 = ADM_COUNTER_BASE + 0, ADM_SIG1 = ADM_COUNTER_BASE + 1, + ADM_PS0 = ADM_COUNTER_BASE + 2, + ADM_PS1 = ADM_COUNTER_BASE + 3, + ADM_PS2 = ADM_COUNTER_BASE + 4, + ADM_CL0 = ADM_COUNTER_BASE + 8, /* RxPacket */ + ADM_CL6 = ADM_COUNTER_BASE + 0x1a, /* RxByte */ + ADM_CL12 = ADM_COUNTER_BASE + 0x2c, /* TxPacket */ + ADM_CL18 = ADM_COUNTER_BASE + 0x3e, /* TxByte */ + ADM_CL24 = ADM_COUNTER_BASE + 0x50, /* Coll */ + ADM_CL30 = ADM_COUNTER_BASE + 0x62, /* Err */ +#define ADM_OFFSET_PORT(n) ((n * 4) - (n / 4) * 2 - (n / 5) * 2) ADM_PHY_BASE = 0x200, #define ADM_PHY_PORT(n) (ADM_PHY_BASE + (0x20 * n)) }; @@ -159,6 +169,14 @@ static const u8 adm_portcfg[] = { ((ports & 0x04) << 2) | ((ports & 0x08) << 3) | \ ((ports & 0x10) << 3) | ((ports & 0x20) << 3)) +/* Port status register */ +enum { + ADM_PS_LS = (1 << 0), /* Link status */ + ADM_PS_SS = (1 << 1), /* Speed status */ + ADM_PS_DS = (1 << 2), /* Duplex status */ + ADM_PS_FCS = (1 << 3) /* Flow control status */ +}; + /* * Split the register address in phy id and register * it will get combined again by the mdio bus op |