X-Git-Url: https://git.archive.openwrt.org/?p=openwrt.git;a=blobdiff_plain;f=target%2Flinux%2Fgeneric%2Ffiles%2Fdrivers%2Fnet%2Fphy%2Far8216.c;h=bf3d6de1e260e5efdd9425207f663606c09d4407;hp=26a79be7ef523949841588f9695acd1d34a51d01;hb=c541c7e4930d605cf266c145ffc28599875d6593;hpb=f7dadcb85476f121828dea03970d3a5918633226 diff --git a/target/linux/generic/files/drivers/net/phy/ar8216.c b/target/linux/generic/files/drivers/net/phy/ar8216.c index 26a79be7ef..bf3d6de1e2 100644 --- a/target/linux/generic/files/drivers/net/phy/ar8216.c +++ b/target/linux/generic/files/drivers/net/phy/ar8216.c @@ -2,6 +2,7 @@ * ar8216.c: AR8216 switch driver * * Copyright (C) 2009 Felix Fietkau + * Copyright (C) 2011-2012 Gabor Juhos * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License @@ -29,11 +30,52 @@ #include #include #include +#include +#include +#include #include "ar8216.h" /* size of the vlan table */ #define AR8X16_MAX_VLANS 128 #define AR8X16_PROBE_RETRIES 10 +#define AR8X16_MAX_PORTS 8 + +#define AR8XXX_MIB_WORK_DELAY 2000 /* msecs */ + +struct ar8216_priv; + +#define AR8XXX_CAP_GIGE BIT(0) +#define AR8XXX_CAP_MIB_COUNTERS BIT(1) + +enum { + AR8XXX_VER_AR8216 = 0x01, + AR8XXX_VER_AR8236 = 0x03, + AR8XXX_VER_AR8316 = 0x10, + AR8XXX_VER_AR8327 = 0x12, +}; + +struct ar8xxx_mib_desc { + unsigned int size; + unsigned int offset; + const char *name; +}; + +struct ar8xxx_chip { + unsigned long caps; + + int (*hw_init)(struct ar8216_priv *priv); + void (*init_globals)(struct ar8216_priv *priv); + void (*init_port)(struct ar8216_priv *priv, int port); + void (*setup_port)(struct ar8216_priv *priv, int port, u32 egress, + u32 ingress, u32 members, u32 pvid); + u32 (*read_port_status)(struct ar8216_priv *priv, int port); + int (*atu_flush)(struct ar8216_priv *priv); + void (*vtu_flush)(struct ar8216_priv *priv); + void (*vtu_load_vlan)(struct ar8216_priv *priv, u32 vid, u32 port_mask); + + const struct ar8xxx_mib_desc *mib_decs; + unsigned num_mibs; +}; struct ar8216_priv { struct switch_dev dev; @@ -43,23 +85,110 @@ struct ar8216_priv { const struct net_device_ops *ndo_old; struct net_device_ops ndo; struct mutex reg_mutex; - int chip; + u8 chip_ver; + u8 chip_rev; + const struct ar8xxx_chip *chip; bool initialized; bool port4_phy; - char buf[80]; + char buf[2048]; bool init; + bool mii_lo_first; + + struct mutex mib_lock; + struct delayed_work mib_work; + int mib_next_port; + u64 *mib_stats; /* all fields below are cleared on reset */ bool vlan; u16 vlan_id[AR8X16_MAX_VLANS]; u8 vlan_table[AR8X16_MAX_VLANS]; u8 vlan_tagged; - u16 pvid[AR8216_NUM_PORTS]; + u16 pvid[AR8X16_MAX_PORTS]; +}; + +#define MIB_DESC(_s , _o, _n) \ + { \ + .size = (_s), \ + .offset = (_o), \ + .name = (_n), \ + } + +static const struct ar8xxx_mib_desc ar8236_mibs[] = { + MIB_DESC(1, AR8236_STATS_RXBROAD, "RxBroad"), + MIB_DESC(1, AR8236_STATS_RXPAUSE, "RxPause"), + MIB_DESC(1, AR8236_STATS_RXMULTI, "RxMulti"), + MIB_DESC(1, AR8236_STATS_RXFCSERR, "RxFcsErr"), + MIB_DESC(1, AR8236_STATS_RXALIGNERR, "RxAlignErr"), + MIB_DESC(1, AR8236_STATS_RXRUNT, "RxRunt"), + MIB_DESC(1, AR8236_STATS_RXFRAGMENT, "RxFragment"), + MIB_DESC(1, AR8236_STATS_RX64BYTE, "Rx64Byte"), + MIB_DESC(1, AR8236_STATS_RX128BYTE, "Rx128Byte"), + MIB_DESC(1, AR8236_STATS_RX256BYTE, "Rx256Byte"), + MIB_DESC(1, AR8236_STATS_RX512BYTE, "Rx512Byte"), + MIB_DESC(1, AR8236_STATS_RX1024BYTE, "Rx1024Byte"), + MIB_DESC(1, AR8236_STATS_RX1518BYTE, "Rx1518Byte"), + MIB_DESC(1, AR8236_STATS_RXMAXBYTE, "RxMaxByte"), + MIB_DESC(1, AR8236_STATS_RXTOOLONG, "RxTooLong"), + MIB_DESC(2, AR8236_STATS_RXGOODBYTE, "RxGoodByte"), + MIB_DESC(2, AR8236_STATS_RXBADBYTE, "RxBadByte"), + MIB_DESC(1, AR8236_STATS_RXOVERFLOW, "RxOverFlow"), + MIB_DESC(1, AR8236_STATS_FILTERED, "Filtered"), + MIB_DESC(1, AR8236_STATS_TXBROAD, "TxBroad"), + MIB_DESC(1, AR8236_STATS_TXPAUSE, "TxPause"), + MIB_DESC(1, AR8236_STATS_TXMULTI, "TxMulti"), + MIB_DESC(1, AR8236_STATS_TXUNDERRUN, "TxUnderRun"), + MIB_DESC(1, AR8236_STATS_TX64BYTE, "Tx64Byte"), + MIB_DESC(1, AR8236_STATS_TX128BYTE, "Tx128Byte"), + MIB_DESC(1, AR8236_STATS_TX256BYTE, "Tx256Byte"), + MIB_DESC(1, AR8236_STATS_TX512BYTE, "Tx512Byte"), + MIB_DESC(1, AR8236_STATS_TX1024BYTE, "Tx1024Byte"), + MIB_DESC(1, AR8236_STATS_TX1518BYTE, "Tx1518Byte"), + MIB_DESC(1, AR8236_STATS_TXMAXBYTE, "TxMaxByte"), + MIB_DESC(1, AR8236_STATS_TXOVERSIZE, "TxOverSize"), + MIB_DESC(2, AR8236_STATS_TXBYTE, "TxByte"), + MIB_DESC(1, AR8236_STATS_TXCOLLISION, "TxCollision"), + MIB_DESC(1, AR8236_STATS_TXABORTCOL, "TxAbortCol"), + MIB_DESC(1, AR8236_STATS_TXMULTICOL, "TxMultiCol"), + MIB_DESC(1, AR8236_STATS_TXSINGLECOL, "TxSingleCol"), + MIB_DESC(1, AR8236_STATS_TXEXCDEFER, "TxExcDefer"), + MIB_DESC(1, AR8236_STATS_TXDEFER, "TxDefer"), + MIB_DESC(1, AR8236_STATS_TXLATECOL, "TxLateCol"), }; #define to_ar8216(_dev) container_of(_dev, struct ar8216_priv, dev) +static inline bool ar8xxx_has_gige(struct ar8216_priv *priv) +{ + return priv->chip->caps & AR8XXX_CAP_GIGE; +} + +static inline bool ar8xxx_has_mib_counters(struct ar8216_priv *priv) +{ + return priv->chip->caps & AR8XXX_CAP_MIB_COUNTERS; +} + +static inline bool chip_is_ar8216(struct ar8216_priv *priv) +{ + return priv->chip_ver == AR8XXX_VER_AR8216; +} + +static inline bool chip_is_ar8236(struct ar8216_priv *priv) +{ + return priv->chip_ver == AR8XXX_VER_AR8236; +} + +static inline bool chip_is_ar8316(struct ar8216_priv *priv) +{ + return priv->chip_ver == AR8XXX_VER_AR8316; +} + +static inline bool chip_is_ar8327(struct ar8216_priv *priv) +{ + return priv->chip_ver == AR8XXX_VER_AR8327; +} + static inline void split_addr(u32 regaddr, u16 *r1, u16 *r2, u16 *page) { @@ -86,7 +215,7 @@ ar8216_mii_read(struct ar8216_priv *priv, int reg) mutex_lock(&bus->mdio_lock); bus->write(bus, 0x18, 0, page); - msleep(1); /* wait for the page switch to propagate */ + usleep_range(1000, 2000); /* wait for the page switch to propagate */ lo = bus->read(bus, 0x10 | r2, r1); hi = bus->read(bus, 0x10 | r2, r1 + 1); @@ -110,10 +239,38 @@ ar8216_mii_write(struct ar8216_priv *priv, int reg, u32 val) mutex_lock(&bus->mdio_lock); bus->write(bus, 0x18, 0, r3); - msleep(1); /* wait for the page switch to propagate */ - bus->write(bus, 0x10 | r2, r1 + 1, hi); - bus->write(bus, 0x10 | r2, r1, lo); + usleep_range(1000, 2000); /* wait for the page switch to propagate */ + if (priv->mii_lo_first) { + bus->write(bus, 0x10 | r2, r1, lo); + bus->write(bus, 0x10 | r2, r1 + 1, hi); + } else { + bus->write(bus, 0x10 | r2, r1 + 1, hi); + bus->write(bus, 0x10 | r2, r1, lo); + } + + mutex_unlock(&bus->mdio_lock); +} + +static void +ar8216_phy_dbg_write(struct ar8216_priv *priv, int phy_addr, + u16 dbg_addr, u16 dbg_data) +{ + struct mii_bus *bus = priv->phy->bus; + mutex_lock(&bus->mdio_lock); + bus->write(bus, phy_addr, MII_ATH_DBG_ADDR, dbg_addr); + bus->write(bus, phy_addr, MII_ATH_DBG_DATA, dbg_data); + mutex_unlock(&bus->mdio_lock); +} + +static void +ar8216_phy_mmd_write(struct ar8216_priv *priv, int phy_addr, u16 addr, u16 data) +{ + struct mii_bus *bus = priv->phy->bus; + + mutex_lock(&bus->mdio_lock); + bus->write(bus, phy_addr, MII_ATH_MMD_ADDR, addr); + bus->write(bus, phy_addr, MII_ATH_MMD_DATA, data); mutex_unlock(&bus->mdio_lock); } @@ -122,6 +279,8 @@ ar8216_rmw(struct ar8216_priv *priv, int reg, u32 mask, u32 val) { u32 v; + lockdep_assert_held(&priv->reg_mutex); + v = priv->read(priv, reg); v &= ~mask; v |= val; @@ -130,47 +289,125 @@ ar8216_rmw(struct ar8216_priv *priv, int reg, u32 mask, u32 val) return v; } -static inline int -ar8216_id_chip(struct ar8216_priv *priv) +static inline void +ar8216_reg_set(struct ar8216_priv *priv, int reg, u32 val) { - u32 val; - u16 id; - int i; + u32 v; - val = ar8216_mii_read(priv, AR8216_REG_CTRL); - if (val == ~0) - return UNKNOWN; + lockdep_assert_held(&priv->reg_mutex); - id = val & (AR8216_CTRL_REVISION | AR8216_CTRL_VERSION); - for (i = 0; i < AR8X16_PROBE_RETRIES; i++) { - u16 t; + v = priv->read(priv, reg); + v |= val; + priv->write(priv, reg, v); +} - val = ar8216_mii_read(priv, AR8216_REG_CTRL); - if (val == ~0) - return UNKNOWN; +static int +ar8216_reg_wait(struct ar8216_priv *priv, u32 reg, u32 mask, u32 val, + unsigned timeout) +{ + int i; - t = val & (AR8216_CTRL_REVISION | AR8216_CTRL_VERSION); - if (t != id) - return UNKNOWN; + for (i = 0; i < timeout; i++) { + u32 t; + + t = priv->read(priv, reg); + if ((t & mask) == val) + return 0; + + usleep_range(1000, 2000); } - switch (id) { - case 0x0101: - return AR8216; - case 0x0301: - return AR8236; - case 0x1000: - case 0x1001: - return AR8316; - default: - printk(KERN_DEBUG - "ar8216: Unknown Atheros device [ver=%d, rev=%d, phy_id=%04x%04x]\n", - (int)(id >> AR8216_CTRL_VERSION_S), - (int)(id & AR8216_CTRL_REVISION), - mdiobus_read(priv->phy->bus, priv->phy->addr, 2), - mdiobus_read(priv->phy->bus, priv->phy->addr, 3)); + return -ETIMEDOUT; +} + +static int +ar8216_mib_capture(struct ar8216_priv *priv) +{ + unsigned mib_func; + int ret; + + lockdep_assert_held(&priv->mib_lock); + + if (chip_is_ar8327(priv)) + mib_func = AR8327_REG_MIB_FUNC; + else + mib_func = AR8216_REG_MIB_FUNC; + + /* Capture the hardware statistics for all ports */ + ar8216_rmw(priv, mib_func, AR8216_MIB_FUNC, + (AR8216_MIB_FUNC_CAPTURE << AR8216_MIB_FUNC_S)); + + /* Wait for the capturing to complete. */ + ret = ar8216_reg_wait(priv, mib_func, AR8216_MIB_BUSY, 0, 10); + if (ret) + goto out; + + ret = 0; + +out: + return ret; +} + +static int +ar8216_mib_flush(struct ar8216_priv *priv) +{ + unsigned mib_func; + int ret; + + lockdep_assert_held(&priv->mib_lock); + + if (chip_is_ar8327(priv)) + mib_func = AR8327_REG_MIB_FUNC; + else + mib_func = AR8216_REG_MIB_FUNC; + + /* Flush hardware statistics for all ports */ + ar8216_rmw(priv, mib_func, AR8216_MIB_FUNC, + (AR8216_MIB_FUNC_FLUSH << AR8216_MIB_FUNC_S)); + + /* Wait for the capturing to complete. */ + ret = ar8216_reg_wait(priv, mib_func, AR8216_MIB_BUSY, 0, 10); + if (ret) + goto out; + + ret = 0; + +out: + return ret; +} + +static void +ar8216_mib_fetch_port_stat(struct ar8216_priv *priv, int port, bool flush) +{ + unsigned int base; + u64 *mib_stats; + int i; + + lockdep_assert_held(&priv->mib_lock); + + if (chip_is_ar8327(priv)) + base = AR8327_REG_PORT_STATS_BASE(port); + else + base = AR8236_REG_PORT_STATS_BASE(port); - return UNKNOWN; + mib_stats = &priv->mib_stats[port * priv->chip->num_mibs]; + for (i = 0; i < priv->chip->num_mibs; i++) { + const struct ar8xxx_mib_desc *mib; + u64 t; + + mib = &priv->chip->mib_decs[i]; + t = priv->read(priv, base + mib->offset); + if (mib->size == 2) { + u64 hi; + + hi = priv->read(priv, base + mib->offset + 4); + t |= hi << 32; + } + + if (flush) + mib_stats[i] = 0; + else + mib_stats[i] += t; } } @@ -183,7 +420,7 @@ ar8216_read_port_link(struct ar8216_priv *priv, int port, memset(link, '\0', sizeof(*link)); - status = priv->read(priv, AR8216_REG_PORT_STATUS(port)); + status = priv->chip->read_port_status(priv, port); link->aneg = !!(status & AR8216_PORT_STATUS_LINK_AUTO); if (link->aneg) { @@ -217,83 +454,14 @@ ar8216_read_port_link(struct ar8216_priv *priv, int port, } } -static int -ar8216_set_vlan(struct switch_dev *dev, const struct switch_attr *attr, - struct switch_val *val) -{ - struct ar8216_priv *priv = to_ar8216(dev); - priv->vlan = !!val->value.i; - return 0; -} - -static int -ar8216_get_vlan(struct switch_dev *dev, const struct switch_attr *attr, - struct switch_val *val) -{ - struct ar8216_priv *priv = to_ar8216(dev); - val->value.i = priv->vlan; - return 0; -} - - -static int -ar8216_set_pvid(struct switch_dev *dev, int port, int vlan) -{ - struct ar8216_priv *priv = to_ar8216(dev); - - /* make sure no invalid PVIDs get set */ - - if (vlan >= dev->vlans) - return -EINVAL; - - priv->pvid[port] = vlan; - return 0; -} - -static int -ar8216_get_pvid(struct switch_dev *dev, int port, int *vlan) -{ - struct ar8216_priv *priv = to_ar8216(dev); - *vlan = priv->pvid[port]; - return 0; -} - -static int -ar8216_set_vid(struct switch_dev *dev, const struct switch_attr *attr, - struct switch_val *val) -{ - struct ar8216_priv *priv = to_ar8216(dev); - priv->vlan_id[val->port_vlan] = val->value.i; - return 0; -} - -static int -ar8216_get_vid(struct switch_dev *dev, const struct switch_attr *attr, - struct switch_val *val) -{ - struct ar8216_priv *priv = to_ar8216(dev); - val->value.i = priv->vlan_id[val->port_vlan]; - return 0; -} - -static int -ar8216_get_port_link(struct switch_dev *dev, int port, - struct switch_port_link *link) -{ - struct ar8216_priv *priv = to_ar8216(dev); - - ar8216_read_port_link(priv, port, link); - return 0; -} - -static int -ar8216_mangle_tx(struct sk_buff *skb, struct net_device *dev) +static struct sk_buff * +ar8216_mangle_tx(struct net_device *dev, struct sk_buff *skb) { struct ar8216_priv *priv = dev->phy_ptr; unsigned char *buf; - if (unlikely(!priv)) - goto error; + if (unlikely(!priv)) + goto error; if (!priv->vlan) goto send; @@ -308,32 +476,27 @@ ar8216_mangle_tx(struct sk_buff *skb, struct net_device *dev) buf[1] = 0x80; send: - return priv->ndo_old->ndo_start_xmit(skb, dev); + return skb; error: dev_kfree_skb_any(skb); - return 0; + return NULL; } -static int -ar8216_mangle_rx(struct sk_buff *skb, int napi) +static void +ar8216_mangle_rx(struct net_device *dev, struct sk_buff *skb) { struct ar8216_priv *priv; - struct net_device *dev; unsigned char *buf; int port, vlan; - dev = skb->dev; - if (!dev) - goto error; - priv = dev->phy_ptr; if (!priv) - goto error; + return; /* don't strip the header if vlan mode is disabled */ if (!priv->vlan) - goto recv; + return; /* strip header, get vlan id */ buf = skb->data; @@ -341,13 +504,13 @@ ar8216_mangle_rx(struct sk_buff *skb, int napi) /* check for vlan header presence */ if ((buf[12 + 2] != 0x81) || (buf[13 + 2] != 0x00)) - goto recv; + return; port = buf[0] & 0xf; /* no need to fix up packets coming from a tagged source */ if (priv->vlan_tagged & (1 << port)) - goto recv; + return; /* lookup port vid from local table, the switch passes an invalid vlan id */ vlan = priv->vlan_id[priv->pvid[port]]; @@ -355,149 +518,75 @@ ar8216_mangle_rx(struct sk_buff *skb, int napi) buf[14 + 2] &= 0xf0; buf[14 + 2] |= vlan >> 8; buf[15 + 2] = vlan & 0xff; +} -recv: - skb->protocol = eth_type_trans(skb, skb->dev); +static int +ar8216_wait_bit(struct ar8216_priv *priv, int reg, u32 mask, u32 val) +{ + int timeout = 20; + u32 t = 0; - if (napi) - return netif_receive_skb(skb); - else - return netif_rx(skb); + while (1) { + t = priv->read(priv, reg); + if ((t & mask) == val) + return 0; -error: - /* no vlan? eat the packet! */ - dev_kfree_skb_any(skb); - return NET_RX_DROP; + if (timeout-- <= 0) + break; + + udelay(10); + } + + pr_err("ar8216: timeout on reg %08x: %08x & %08x != %08x\n", + (unsigned int) reg, t, mask, val); + return -ETIMEDOUT; } -static int -ar8216_netif_rx(struct sk_buff *skb) +static void +ar8216_vtu_op(struct ar8216_priv *priv, u32 op, u32 val) { - return ar8216_mangle_rx(skb, 0); + if (ar8216_wait_bit(priv, AR8216_REG_VTU, AR8216_VTU_ACTIVE, 0)) + return; + if ((op & AR8216_VTU_OP) == AR8216_VTU_OP_LOAD) { + val &= AR8216_VTUDATA_MEMBER; + val |= AR8216_VTUDATA_VALID; + priv->write(priv, AR8216_REG_VTU_DATA, val); + } + op |= AR8216_VTU_ACTIVE; + priv->write(priv, AR8216_REG_VTU, op); } -static int -ar8216_netif_receive_skb(struct sk_buff *skb) +static void +ar8216_vtu_flush(struct ar8216_priv *priv) { - return ar8216_mangle_rx(skb, 1); + ar8216_vtu_op(priv, AR8216_VTU_OP_FLUSH, 0); } +static void +ar8216_vtu_load_vlan(struct ar8216_priv *priv, u32 vid, u32 port_mask) +{ + u32 op; -static struct switch_attr ar8216_globals[] = { - { - .type = SWITCH_TYPE_INT, - .name = "enable_vlan", - .description = "Enable VLAN mode", - .set = ar8216_set_vlan, - .get = ar8216_get_vlan, - .max = 1 - }, -}; - -static struct switch_attr ar8216_port[] = { -}; - -static struct switch_attr ar8216_vlan[] = { - { - .type = SWITCH_TYPE_INT, - .name = "vid", - .description = "VLAN ID (0-4094)", - .set = ar8216_set_vid, - .get = ar8216_get_vid, - .max = 4094, - }, -}; - + op = AR8216_VTU_OP_LOAD | (vid << AR8216_VTU_VID_S); + ar8216_vtu_op(priv, op, port_mask); +} static int -ar8216_get_ports(struct switch_dev *dev, struct switch_val *val) +ar8216_atu_flush(struct ar8216_priv *priv) { - struct ar8216_priv *priv = to_ar8216(dev); - u8 ports = priv->vlan_table[val->port_vlan]; - int i; - - val->len = 0; - for (i = 0; i < AR8216_NUM_PORTS; i++) { - struct switch_port *p; - - if (!(ports & (1 << i))) - continue; - - p = &val->value.ports[val->len++]; - p->id = i; - if (priv->vlan_tagged & (1 << i)) - p->flags = (1 << SWITCH_PORT_FLAG_TAGGED); - else - p->flags = 0; - } - return 0; -} - -static int -ar8216_set_ports(struct switch_dev *dev, struct switch_val *val) -{ - struct ar8216_priv *priv = to_ar8216(dev); - u8 *vt = &priv->vlan_table[val->port_vlan]; - int i, j; - - *vt = 0; - for (i = 0; i < val->len; i++) { - struct switch_port *p = &val->value.ports[i]; - - if (p->flags & (1 << SWITCH_PORT_FLAG_TAGGED)) - priv->vlan_tagged |= (1 << p->id); - else { - priv->vlan_tagged &= ~(1 << p->id); - priv->pvid[p->id] = val->port_vlan; - - /* make sure that an untagged port does not - * appear in other vlans */ - for (j = 0; j < AR8X16_MAX_VLANS; j++) { - if (j == val->port_vlan) - continue; - priv->vlan_table[j] &= ~(1 << p->id); - } - } - - *vt |= 1 << p->id; - } - return 0; -} - -static int -ar8216_wait_bit(struct ar8216_priv *priv, int reg, u32 mask, u32 val) -{ - int timeout = 20; - u32 t = 0; - - while (1) { - t = priv->read(priv, reg); - if ((t & mask) == val) - return 0; - - if (timeout-- <= 0) - break; + int ret; - udelay(10); - } + ret = ar8216_wait_bit(priv, AR8216_REG_ATU, AR8216_ATU_ACTIVE, 0); + if (!ret) + priv->write(priv, AR8216_REG_ATU, AR8216_ATU_OP_FLUSH); - pr_err("ar8216: timeout on reg %08x: %08x & %08x != %08x\n", - (unsigned int) reg, t, mask, val); - return -ETIMEDOUT; + return ret; } -static void -ar8216_vtu_op(struct ar8216_priv *priv, u32 op, u32 val) +static u32 +ar8216_read_port_status(struct ar8216_priv *priv, int port) { - if (ar8216_wait_bit(priv, AR8216_REG_VTU, AR8216_VTU_ACTIVE, 0)) - return; - if ((op & AR8216_VTU_OP) == AR8216_VTU_OP_LOAD) { - val &= AR8216_VTUDATA_MEMBER; - val |= AR8216_VTUDATA_VALID; - priv->write(priv, AR8216_REG_VTU_DATA, val); - } - op |= AR8216_VTU_ACTIVE; - priv->write(priv, AR8216_REG_VTU, op); + return priv->read(priv, AR8216_REG_PORT_STATUS(port)); } static void @@ -506,7 +595,7 @@ ar8216_setup_port(struct ar8216_priv *priv, int port, u32 egress, u32 ingress, { u32 header; - if (priv->vlan && port == AR8216_PORT_CPU && priv->chip == AR8216) + if (chip_is_ar8216(priv) && priv->vlan && port == AR8216_PORT_CPU) header = AR8216_PORT_CTRL_HEADER; else header = 0; @@ -527,6 +616,59 @@ ar8216_setup_port(struct ar8216_priv *priv, int port, u32 egress, u32 ingress, (pvid << AR8216_PORT_VLAN_DEFAULT_ID_S)); } +static int +ar8216_hw_init(struct ar8216_priv *priv) +{ + return 0; +} + +static void +ar8216_init_globals(struct ar8216_priv *priv) +{ + /* standard atheros magic */ + priv->write(priv, 0x38, 0xc000050e); + + ar8216_rmw(priv, AR8216_REG_GLOBAL_CTRL, + AR8216_GCTRL_MTU, 1518 + 8 + 2); +} + +static void +ar8216_init_port(struct ar8216_priv *priv, int port) +{ + /* Enable port learning and tx */ + priv->write(priv, AR8216_REG_PORT_CTRL(port), + AR8216_PORT_CTRL_LEARN | + (4 << AR8216_PORT_CTRL_STATE_S)); + + priv->write(priv, AR8216_REG_PORT_VLAN(port), 0); + + if (port == AR8216_PORT_CPU) { + priv->write(priv, AR8216_REG_PORT_STATUS(port), + AR8216_PORT_STATUS_LINK_UP | + (ar8xxx_has_gige(priv) ? + AR8216_PORT_SPEED_1000M : AR8216_PORT_SPEED_100M) | + AR8216_PORT_STATUS_TXMAC | + AR8216_PORT_STATUS_RXMAC | + (chip_is_ar8316(priv) ? AR8216_PORT_STATUS_RXFLOW : 0) | + (chip_is_ar8316(priv) ? AR8216_PORT_STATUS_TXFLOW : 0) | + AR8216_PORT_STATUS_DUPLEX); + } else { + priv->write(priv, AR8216_REG_PORT_STATUS(port), + AR8216_PORT_STATUS_LINK_AUTO); + } +} + +static const struct ar8xxx_chip ar8216_chip = { + .hw_init = ar8216_hw_init, + .init_globals = ar8216_init_globals, + .init_port = ar8216_init_port, + .setup_port = ar8216_setup_port, + .read_port_status = ar8216_read_port_status, + .atu_flush = ar8216_atu_flush, + .vtu_flush = ar8216_vtu_flush, + .vtu_load_vlan = ar8216_vtu_load_vlan, +}; + static void ar8236_setup_port(struct ar8216_priv *priv, int port, u32 egress, u32 ingress, u32 members, u32 pvid) @@ -551,15 +693,648 @@ ar8236_setup_port(struct ar8216_priv *priv, int port, u32 egress, u32 ingress, } static int -ar8216_hw_apply(struct switch_dev *dev) +ar8236_hw_init(struct ar8216_priv *priv) +{ + int i; + struct mii_bus *bus; + + if (priv->initialized) + return 0; + + /* Initialize the PHYs */ + bus = priv->phy->bus; + for (i = 0; i < 5; i++) { + mdiobus_write(bus, i, MII_ADVERTISE, + ADVERTISE_ALL | ADVERTISE_PAUSE_CAP | + ADVERTISE_PAUSE_ASYM); + mdiobus_write(bus, i, MII_BMCR, BMCR_RESET | BMCR_ANENABLE); + } + msleep(1000); + + priv->initialized = true; + return 0; +} + +static void +ar8236_init_globals(struct ar8216_priv *priv) +{ + /* enable jumbo frames */ + ar8216_rmw(priv, AR8216_REG_GLOBAL_CTRL, + AR8316_GCTRL_MTU, 9018 + 8 + 2); + + /* Enable MIB counters */ + ar8216_rmw(priv, AR8216_REG_MIB_FUNC, AR8216_MIB_FUNC | AR8236_MIB_EN, + (AR8216_MIB_FUNC_NO_OP << AR8216_MIB_FUNC_S) | + AR8236_MIB_EN); +} + +static const struct ar8xxx_chip ar8236_chip = { + .caps = AR8XXX_CAP_MIB_COUNTERS, + .hw_init = ar8236_hw_init, + .init_globals = ar8236_init_globals, + .init_port = ar8216_init_port, + .setup_port = ar8236_setup_port, + .read_port_status = ar8216_read_port_status, + .atu_flush = ar8216_atu_flush, + .vtu_flush = ar8216_vtu_flush, + .vtu_load_vlan = ar8216_vtu_load_vlan, + + .num_mibs = ARRAY_SIZE(ar8236_mibs), + .mib_decs = ar8236_mibs, +}; + +static int +ar8316_hw_init(struct ar8216_priv *priv) +{ + int i; + u32 val, newval; + struct mii_bus *bus; + + val = priv->read(priv, 0x8); + + if (priv->phy->interface == PHY_INTERFACE_MODE_RGMII) { + if (priv->port4_phy) { + /* value taken from Ubiquiti RouterStation Pro */ + newval = 0x81461bea; + printk(KERN_INFO "ar8316: Using port 4 as PHY\n"); + } else { + newval = 0x01261be2; + printk(KERN_INFO "ar8316: Using port 4 as switch port\n"); + } + } else if (priv->phy->interface == PHY_INTERFACE_MODE_GMII) { + /* value taken from AVM Fritz!Box 7390 sources */ + newval = 0x010e5b71; + } else { + /* no known value for phy interface */ + printk(KERN_ERR "ar8316: unsupported mii mode: %d.\n", + priv->phy->interface); + return -EINVAL; + } + + if (val == newval) + goto out; + + priv->write(priv, 0x8, newval); + + /* Initialize the ports */ + bus = priv->phy->bus; + for (i = 0; i < 5; i++) { + if ((i == 4) && priv->port4_phy && + priv->phy->interface == PHY_INTERFACE_MODE_RGMII) { + /* work around for phy4 rgmii mode */ + ar8216_phy_dbg_write(priv, i, 0x12, 0x480c); + /* rx delay */ + ar8216_phy_dbg_write(priv, i, 0x0, 0x824e); + /* tx delay */ + ar8216_phy_dbg_write(priv, i, 0x5, 0x3d47); + msleep(1000); + } + + /* initialize the port itself */ + mdiobus_write(bus, i, MII_ADVERTISE, + ADVERTISE_ALL | ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM); + mdiobus_write(bus, i, MII_CTRL1000, ADVERTISE_1000FULL); + mdiobus_write(bus, i, MII_BMCR, BMCR_RESET | BMCR_ANENABLE); + msleep(1000); + } + +out: + priv->initialized = true; + return 0; +} + +static void +ar8316_init_globals(struct ar8216_priv *priv) +{ + /* standard atheros magic */ + priv->write(priv, 0x38, 0xc000050e); + + /* enable cpu port to receive multicast and broadcast frames */ + priv->write(priv, AR8216_REG_FLOOD_MASK, 0x003f003f); + + /* enable jumbo frames */ + ar8216_rmw(priv, AR8216_REG_GLOBAL_CTRL, + AR8316_GCTRL_MTU, 9018 + 8 + 2); + + /* Enable MIB counters */ + ar8216_rmw(priv, AR8216_REG_MIB_FUNC, AR8216_MIB_FUNC | AR8236_MIB_EN, + (AR8216_MIB_FUNC_NO_OP << AR8216_MIB_FUNC_S) | + AR8236_MIB_EN); +} + +static const struct ar8xxx_chip ar8316_chip = { + .caps = AR8XXX_CAP_GIGE | AR8XXX_CAP_MIB_COUNTERS, + .hw_init = ar8316_hw_init, + .init_globals = ar8316_init_globals, + .init_port = ar8216_init_port, + .setup_port = ar8216_setup_port, + .read_port_status = ar8216_read_port_status, + .atu_flush = ar8216_atu_flush, + .vtu_flush = ar8216_vtu_flush, + .vtu_load_vlan = ar8216_vtu_load_vlan, + + .num_mibs = ARRAY_SIZE(ar8236_mibs), + .mib_decs = ar8236_mibs, +}; + +static u32 +ar8327_get_pad_cfg(struct ar8327_pad_cfg *cfg) +{ + u32 t; + + if (!cfg) + return 0; + + t = 0; + switch (cfg->mode) { + case AR8327_PAD_NC: + break; + + case AR8327_PAD_MAC2MAC_MII: + t = AR8327_PAD_MAC_MII_EN; + if (cfg->rxclk_sel) + t |= AR8327_PAD_MAC_MII_RXCLK_SEL; + if (cfg->txclk_sel) + t |= AR8327_PAD_MAC_MII_TXCLK_SEL; + break; + + case AR8327_PAD_MAC2MAC_GMII: + t = AR8327_PAD_MAC_GMII_EN; + if (cfg->rxclk_sel) + t |= AR8327_PAD_MAC_GMII_RXCLK_SEL; + if (cfg->txclk_sel) + t |= AR8327_PAD_MAC_GMII_TXCLK_SEL; + break; + + case AR8327_PAD_MAC_SGMII: + t = AR8327_PAD_SGMII_EN; + break; + + case AR8327_PAD_MAC2PHY_MII: + t = AR8327_PAD_PHY_MII_EN; + if (cfg->rxclk_sel) + t |= AR8327_PAD_PHY_MII_RXCLK_SEL; + if (cfg->txclk_sel) + t |= AR8327_PAD_PHY_MII_TXCLK_SEL; + break; + + case AR8327_PAD_MAC2PHY_GMII: + t = AR8327_PAD_PHY_GMII_EN; + if (cfg->pipe_rxclk_sel) + t |= AR8327_PAD_PHY_GMII_PIPE_RXCLK_SEL; + if (cfg->rxclk_sel) + t |= AR8327_PAD_PHY_GMII_RXCLK_SEL; + if (cfg->txclk_sel) + t |= AR8327_PAD_PHY_GMII_TXCLK_SEL; + break; + + case AR8327_PAD_MAC_RGMII: + t = AR8327_PAD_RGMII_EN; + t |= cfg->txclk_delay_sel << AR8327_PAD_RGMII_TXCLK_DELAY_SEL_S; + t |= cfg->rxclk_delay_sel << AR8327_PAD_RGMII_RXCLK_DELAY_SEL_S; + if (cfg->rxclk_delay_en) + t |= AR8327_PAD_RGMII_RXCLK_DELAY_EN; + if (cfg->txclk_delay_en) + t |= AR8327_PAD_RGMII_TXCLK_DELAY_EN; + break; + + case AR8327_PAD_PHY_GMII: + t = AR8327_PAD_PHYX_GMII_EN; + break; + + case AR8327_PAD_PHY_RGMII: + t = AR8327_PAD_PHYX_RGMII_EN; + break; + + case AR8327_PAD_PHY_MII: + t = AR8327_PAD_PHYX_MII_EN; + break; + } + + return t; +} + +static void +ar8327_phy_fixup(struct ar8216_priv *priv, int phy) +{ + switch (priv->chip_rev) { + case 1: + /* For 100M waveform */ + ar8216_phy_dbg_write(priv, phy, 0, 0x02ea); + /* Turn on Gigabit clock */ + ar8216_phy_dbg_write(priv, phy, 0x3d, 0x68a0); + break; + + case 2: + ar8216_phy_mmd_write(priv, phy, 0x7, 0x3c); + ar8216_phy_mmd_write(priv, phy, 0x4007, 0x0); + /* fallthrough */ + case 4: + ar8216_phy_mmd_write(priv, phy, 0x3, 0x800d); + ar8216_phy_mmd_write(priv, phy, 0x4003, 0x803f); + + ar8216_phy_dbg_write(priv, phy, 0x3d, 0x6860); + ar8216_phy_dbg_write(priv, phy, 0x5, 0x2c46); + ar8216_phy_dbg_write(priv, phy, 0x3c, 0x6000); + break; + } +} + +static int +ar8327_hw_init(struct ar8216_priv *priv) +{ + struct ar8327_platform_data *pdata; + struct ar8327_led_cfg *led_cfg; + struct mii_bus *bus; + u32 pos, new_pos; + u32 t; + int i; + + pdata = priv->phy->dev.platform_data; + if (!pdata) + return -EINVAL; + + t = ar8327_get_pad_cfg(pdata->pad0_cfg); + priv->write(priv, AR8327_REG_PAD0_MODE, t); + t = ar8327_get_pad_cfg(pdata->pad5_cfg); + priv->write(priv, AR8327_REG_PAD5_MODE, t); + t = ar8327_get_pad_cfg(pdata->pad6_cfg); + priv->write(priv, AR8327_REG_PAD6_MODE, t); + + pos = priv->read(priv, AR8327_REG_POWER_ON_STRIP); + new_pos = pos; + + led_cfg = pdata->led_cfg; + if (led_cfg) { + if (led_cfg->open_drain) + new_pos |= AR8327_POWER_ON_STRIP_LED_OPEN_EN; + else + new_pos &= ~AR8327_POWER_ON_STRIP_LED_OPEN_EN; + + priv->write(priv, AR8327_REG_LED_CTRL0, led_cfg->led_ctrl0); + priv->write(priv, AR8327_REG_LED_CTRL1, led_cfg->led_ctrl1); + priv->write(priv, AR8327_REG_LED_CTRL2, led_cfg->led_ctrl2); + priv->write(priv, AR8327_REG_LED_CTRL3, led_cfg->led_ctrl3); + } + + if (new_pos != pos) { + new_pos |= AR8327_POWER_ON_STRIP_POWER_ON_SEL; + priv->write(priv, AR8327_REG_POWER_ON_STRIP, new_pos); + } + + bus = priv->phy->bus; + for (i = 0; i < AR8327_NUM_PHYS; i++) { + ar8327_phy_fixup(priv, i); + + /* start aneg on the PHY */ + mdiobus_write(bus, i, MII_ADVERTISE, ADVERTISE_ALL | + ADVERTISE_PAUSE_CAP | + ADVERTISE_PAUSE_ASYM); + mdiobus_write(bus, i, MII_CTRL1000, ADVERTISE_1000FULL); + mdiobus_write(bus, i, MII_BMCR, BMCR_RESET | BMCR_ANENABLE); + } + + msleep(1000); + + return 0; +} + +static void +ar8327_init_globals(struct ar8216_priv *priv) +{ + u32 t; + + /* enable CPU port and disable mirror port */ + t = AR8327_FWD_CTRL0_CPU_PORT_EN | + AR8327_FWD_CTRL0_MIRROR_PORT; + priv->write(priv, AR8327_REG_FWD_CTRL0, t); + + /* forward multicast and broadcast frames to CPU */ + t = (AR8327_PORTS_ALL << AR8327_FWD_CTRL1_UC_FLOOD_S) | + (AR8327_PORTS_ALL << AR8327_FWD_CTRL1_MC_FLOOD_S) | + (AR8327_PORTS_ALL << AR8327_FWD_CTRL1_BC_FLOOD_S); + priv->write(priv, AR8327_REG_FWD_CTRL1, t); + + /* setup MTU */ + ar8216_rmw(priv, AR8327_REG_MAX_FRAME_SIZE, + AR8327_MAX_FRAME_SIZE_MTU, 1518 + 8 + 2); + + /* Enable MIB counters */ + ar8216_reg_set(priv, AR8327_REG_MODULE_EN, + AR8327_MODULE_EN_MIB); +} + +static void +ar8327_init_cpuport(struct ar8216_priv *priv) +{ + struct ar8327_platform_data *pdata; + struct ar8327_port_cfg *cfg; + u32 t; + + pdata = priv->phy->dev.platform_data; + if (!pdata) + return; + + cfg = &pdata->cpuport_cfg; + if (!cfg->force_link) { + priv->write(priv, AR8327_REG_PORT_STATUS(AR8216_PORT_CPU), + AR8216_PORT_STATUS_LINK_AUTO); + return; + } + + t = AR8216_PORT_STATUS_TXMAC | AR8216_PORT_STATUS_RXMAC; + t |= cfg->duplex ? AR8216_PORT_STATUS_DUPLEX : 0; + t |= cfg->rxpause ? AR8216_PORT_STATUS_RXFLOW : 0; + t |= cfg->txpause ? AR8216_PORT_STATUS_TXFLOW : 0; + switch (cfg->speed) { + case AR8327_PORT_SPEED_10: + t |= AR8216_PORT_SPEED_10M; + break; + case AR8327_PORT_SPEED_100: + t |= AR8216_PORT_SPEED_100M; + break; + case AR8327_PORT_SPEED_1000: + t |= AR8216_PORT_SPEED_1000M; + break; + } + + priv->write(priv, AR8327_REG_PORT_STATUS(AR8216_PORT_CPU), t); +} + +static void +ar8327_init_port(struct ar8216_priv *priv, int port) +{ + u32 t; + + if (port == AR8216_PORT_CPU) { + ar8327_init_cpuport(priv); + } else { + t = AR8216_PORT_STATUS_LINK_AUTO; + priv->write(priv, AR8327_REG_PORT_STATUS(port), t); + } + + priv->write(priv, AR8327_REG_PORT_HEADER(port), 0); + + priv->write(priv, AR8327_REG_PORT_VLAN0(port), 0); + + t = AR8327_PORT_VLAN1_OUT_MODE_UNTOUCH << AR8327_PORT_VLAN1_OUT_MODE_S; + priv->write(priv, AR8327_REG_PORT_VLAN1(port), t); + + t = AR8327_PORT_LOOKUP_LEARN; + t |= AR8216_PORT_STATE_FORWARD << AR8327_PORT_LOOKUP_STATE_S; + priv->write(priv, AR8327_REG_PORT_LOOKUP(port), t); +} + +static u32 +ar8327_read_port_status(struct ar8216_priv *priv, int port) +{ + return priv->read(priv, AR8327_REG_PORT_STATUS(port)); +} + +static int +ar8327_atu_flush(struct ar8216_priv *priv) +{ + int ret; + + ret = ar8216_wait_bit(priv, AR8327_REG_ATU_FUNC, + AR8327_ATU_FUNC_BUSY, 0); + if (!ret) + priv->write(priv, AR8327_REG_ATU_FUNC, + AR8327_ATU_FUNC_OP_FLUSH); + + return ret; +} + +static void +ar8327_vtu_op(struct ar8216_priv *priv, u32 op, u32 val) +{ + if (ar8216_wait_bit(priv, AR8327_REG_VTU_FUNC1, + AR8327_VTU_FUNC1_BUSY, 0)) + return; + + if ((op & AR8327_VTU_FUNC1_OP) == AR8327_VTU_FUNC1_OP_LOAD) + priv->write(priv, AR8327_REG_VTU_FUNC0, val); + + op |= AR8327_VTU_FUNC1_BUSY; + priv->write(priv, AR8327_REG_VTU_FUNC1, op); +} + +static void +ar8327_vtu_flush(struct ar8216_priv *priv) +{ + ar8327_vtu_op(priv, AR8327_VTU_FUNC1_OP_FLUSH, 0); +} + +static void +ar8327_vtu_load_vlan(struct ar8216_priv *priv, u32 vid, u32 port_mask) +{ + u32 op; + u32 val; + int i; + + op = AR8327_VTU_FUNC1_OP_LOAD | (vid << AR8327_VTU_FUNC1_VID_S); + val = AR8327_VTU_FUNC0_VALID | AR8327_VTU_FUNC0_IVL; + for (i = 0; i < AR8327_NUM_PORTS; i++) { + u32 mode; + + if ((port_mask & BIT(i)) == 0) + mode = AR8327_VTU_FUNC0_EG_MODE_NOT; + else if (priv->vlan == 0) + mode = AR8327_VTU_FUNC0_EG_MODE_KEEP; + else if (priv->vlan_tagged & BIT(i)) + mode = AR8327_VTU_FUNC0_EG_MODE_TAG; + else + mode = AR8327_VTU_FUNC0_EG_MODE_UNTAG; + + val |= mode << AR8327_VTU_FUNC0_EG_MODE_S(i); + } + ar8327_vtu_op(priv, op, val); +} + +static void +ar8327_setup_port(struct ar8216_priv *priv, int port, u32 egress, u32 ingress, + u32 members, u32 pvid) +{ + u32 t; + u32 mode; + + t = pvid << AR8327_PORT_VLAN0_DEF_SVID_S; + t |= pvid << AR8327_PORT_VLAN0_DEF_CVID_S; + priv->write(priv, AR8327_REG_PORT_VLAN0(port), t); + + mode = AR8327_PORT_VLAN1_OUT_MODE_UNMOD; + switch (egress) { + case AR8216_OUT_KEEP: + mode = AR8327_PORT_VLAN1_OUT_MODE_UNTOUCH; + break; + case AR8216_OUT_STRIP_VLAN: + mode = AR8327_PORT_VLAN1_OUT_MODE_UNTAG; + break; + case AR8216_OUT_ADD_VLAN: + mode = AR8327_PORT_VLAN1_OUT_MODE_TAG; + break; + } + + t = AR8327_PORT_VLAN1_PORT_VLAN_PROP; + t |= mode << AR8327_PORT_VLAN1_OUT_MODE_S; + priv->write(priv, AR8327_REG_PORT_VLAN1(port), t); + + t = members; + t |= AR8327_PORT_LOOKUP_LEARN; + t |= ingress << AR8327_PORT_LOOKUP_IN_MODE_S; + t |= AR8216_PORT_STATE_FORWARD << AR8327_PORT_LOOKUP_STATE_S; + priv->write(priv, AR8327_REG_PORT_LOOKUP(port), t); +} + +static const struct ar8xxx_chip ar8327_chip = { + .caps = AR8XXX_CAP_GIGE | AR8XXX_CAP_MIB_COUNTERS, + .hw_init = ar8327_hw_init, + .init_globals = ar8327_init_globals, + .init_port = ar8327_init_port, + .setup_port = ar8327_setup_port, + .read_port_status = ar8327_read_port_status, + .atu_flush = ar8327_atu_flush, + .vtu_flush = ar8327_vtu_flush, + .vtu_load_vlan = ar8327_vtu_load_vlan, + + .num_mibs = ARRAY_SIZE(ar8236_mibs), + .mib_decs = ar8236_mibs, +}; + +static int +ar8216_sw_set_vlan(struct switch_dev *dev, const struct switch_attr *attr, + struct switch_val *val) +{ + struct ar8216_priv *priv = to_ar8216(dev); + priv->vlan = !!val->value.i; + return 0; +} + +static int +ar8216_sw_get_vlan(struct switch_dev *dev, const struct switch_attr *attr, + struct switch_val *val) +{ + struct ar8216_priv *priv = to_ar8216(dev); + val->value.i = priv->vlan; + return 0; +} + + +static int +ar8216_sw_set_pvid(struct switch_dev *dev, int port, int vlan) +{ + struct ar8216_priv *priv = to_ar8216(dev); + + /* make sure no invalid PVIDs get set */ + + if (vlan >= dev->vlans) + return -EINVAL; + + priv->pvid[port] = vlan; + return 0; +} + +static int +ar8216_sw_get_pvid(struct switch_dev *dev, int port, int *vlan) +{ + struct ar8216_priv *priv = to_ar8216(dev); + *vlan = priv->pvid[port]; + return 0; +} + +static int +ar8216_sw_set_vid(struct switch_dev *dev, const struct switch_attr *attr, + struct switch_val *val) +{ + struct ar8216_priv *priv = to_ar8216(dev); + priv->vlan_id[val->port_vlan] = val->value.i; + return 0; +} + +static int +ar8216_sw_get_vid(struct switch_dev *dev, const struct switch_attr *attr, + struct switch_val *val) +{ + struct ar8216_priv *priv = to_ar8216(dev); + val->value.i = priv->vlan_id[val->port_vlan]; + return 0; +} + +static int +ar8216_sw_get_port_link(struct switch_dev *dev, int port, + struct switch_port_link *link) +{ + struct ar8216_priv *priv = to_ar8216(dev); + + ar8216_read_port_link(priv, port, link); + return 0; +} + +static int +ar8216_sw_get_ports(struct switch_dev *dev, struct switch_val *val) +{ + struct ar8216_priv *priv = to_ar8216(dev); + u8 ports = priv->vlan_table[val->port_vlan]; + int i; + + val->len = 0; + for (i = 0; i < dev->ports; i++) { + struct switch_port *p; + + if (!(ports & (1 << i))) + continue; + + p = &val->value.ports[val->len++]; + p->id = i; + if (priv->vlan_tagged & (1 << i)) + p->flags = (1 << SWITCH_PORT_FLAG_TAGGED); + else + p->flags = 0; + } + return 0; +} + +static int +ar8216_sw_set_ports(struct switch_dev *dev, struct switch_val *val) +{ + struct ar8216_priv *priv = to_ar8216(dev); + u8 *vt = &priv->vlan_table[val->port_vlan]; + int i, j; + + *vt = 0; + for (i = 0; i < val->len; i++) { + struct switch_port *p = &val->value.ports[i]; + + if (p->flags & (1 << SWITCH_PORT_FLAG_TAGGED)) { + priv->vlan_tagged |= (1 << p->id); + } else { + priv->vlan_tagged &= ~(1 << p->id); + priv->pvid[p->id] = val->port_vlan; + + /* make sure that an untagged port does not + * appear in other vlans */ + for (j = 0; j < AR8X16_MAX_VLANS; j++) { + if (j == val->port_vlan) + continue; + priv->vlan_table[j] &= ~(1 << p->id); + } + } + + *vt |= 1 << p->id; + } + return 0; +} + +static int +ar8216_sw_hw_apply(struct switch_dev *dev) { struct ar8216_priv *priv = to_ar8216(dev); - u8 portmask[AR8216_NUM_PORTS]; + u8 portmask[AR8X16_MAX_PORTS]; int i, j; mutex_lock(&priv->reg_mutex); /* flush all vlan translation unit entries */ - ar8216_vtu_op(priv, AR8216_VTU_OP_FLUSH, 0); + priv->chip->vtu_flush(priv); memset(portmask, 0, sizeof(portmask)); if (!priv->init) { @@ -571,21 +1346,19 @@ ar8216_hw_apply(struct switch_dev *dev) if (!vp) continue; - for (i = 0; i < AR8216_NUM_PORTS; i++) { + for (i = 0; i < dev->ports; i++) { u8 mask = (1 << i); if (vp & mask) portmask[i] |= vp & ~mask; } - ar8216_vtu_op(priv, - AR8216_VTU_OP_LOAD | - (priv->vlan_id[j] << AR8216_VTU_VID_S), - priv->vlan_table[j]); + priv->chip->vtu_load_vlan(priv, priv->vlan_id[j], + priv->vlan_table[j]); } } else { /* vlan disabled: * isolate all ports, but connect them to the cpu port */ - for (i = 0; i < AR8216_NUM_PORTS; i++) { + for (i = 0; i < dev->ports; i++) { if (i == AR8216_PORT_CPU) continue; @@ -595,188 +1368,206 @@ ar8216_hw_apply(struct switch_dev *dev) } /* update the port destination mask registers and tag settings */ - for (i = 0; i < AR8216_NUM_PORTS; i++) { + for (i = 0; i < dev->ports; i++) { int egress, ingress; int pvid; if (priv->vlan) { pvid = priv->vlan_id[priv->pvid[i]]; - } else { - pvid = i; - } - - if (priv->vlan) { if (priv->vlan_tagged & (1 << i)) egress = AR8216_OUT_ADD_VLAN; else egress = AR8216_OUT_STRIP_VLAN; - } else { - egress = AR8216_OUT_KEEP; - } - if (priv->vlan) { ingress = AR8216_IN_SECURE; } else { + pvid = i; + egress = AR8216_OUT_KEEP; ingress = AR8216_IN_PORT_ONLY; } - if (priv->chip == AR8236) - ar8236_setup_port(priv, i, egress, ingress, portmask[i], - pvid); - else - ar8216_setup_port(priv, i, egress, ingress, portmask[i], - pvid); + priv->chip->setup_port(priv, i, egress, ingress, portmask[i], + pvid); } mutex_unlock(&priv->reg_mutex); return 0; } static int -ar8236_hw_init(struct ar8216_priv *priv) { - static int initialized; +ar8216_sw_reset_switch(struct switch_dev *dev) +{ + struct ar8216_priv *priv = to_ar8216(dev); int i; - struct mii_bus *bus; - if (initialized) - return 0; + mutex_lock(&priv->reg_mutex); + memset(&priv->vlan, 0, sizeof(struct ar8216_priv) - + offsetof(struct ar8216_priv, vlan)); - /* Initialize the PHYs */ - bus = priv->phy->bus; - for (i = 0; i < 5; i++) { - mdiobus_write(bus, i, MII_ADVERTISE, - ADVERTISE_ALL | ADVERTISE_PAUSE_CAP | - ADVERTISE_PAUSE_ASYM); - mdiobus_write(bus, i, MII_BMCR, BMCR_RESET | BMCR_ANENABLE); - } - msleep(1000); + for (i = 0; i < AR8X16_MAX_VLANS; i++) + priv->vlan_id[i] = i; - initialized = true; - return 0; + /* Configure all ports */ + for (i = 0; i < dev->ports; i++) + priv->chip->init_port(priv, i); + + priv->chip->init_globals(priv); + mutex_unlock(&priv->reg_mutex); + + return ar8216_sw_hw_apply(dev); } static int -ar8316_hw_init(struct ar8216_priv *priv) { - int i; - u32 val, newval; - struct mii_bus *bus; +ar8216_sw_set_reset_mibs(struct switch_dev *dev, + const struct switch_attr *attr, + struct switch_val *val) +{ + struct ar8216_priv *priv = to_ar8216(dev); + unsigned int len; + int ret; - val = priv->read(priv, 0x8); + if (!ar8xxx_has_mib_counters(priv)) + return -EOPNOTSUPP; - if (priv->phy->interface == PHY_INTERFACE_MODE_RGMII) { - if (priv->port4_phy) { - /* value taken from Ubiquiti RouterStation Pro */ - newval = 0x81461bea; - printk(KERN_INFO "ar8316: Using port 4 as PHY\n"); - } else { - newval = 0x01261be2; - printk(KERN_INFO "ar8316: Using port 4 as switch port\n"); - } - } else if (priv->phy->interface == PHY_INTERFACE_MODE_GMII) { - /* value taken from AVM Fritz!Box 7390 sources */ - newval = 0x010e5b71; - } else { - /* no known value for phy interface */ - printk(KERN_ERR "ar8316: unsupported mii mode: %d.\n", - priv->phy->interface); - return -EINVAL; - } + mutex_lock(&priv->mib_lock); - if (val == newval) - goto out; + len = priv->dev.ports * priv->chip->num_mibs * + sizeof(*priv->mib_stats); + memset(priv->mib_stats, '\0', len); + ret = ar8216_mib_flush(priv); + if (ret) + goto unlock; - priv->write(priv, 0x8, newval); + ret = 0; - /* standard atheros magic */ - priv->write(priv, 0x38, 0xc000050e); +unlock: + mutex_unlock(&priv->mib_lock); + return ret; +} - /* Initialize the ports */ - bus = priv->phy->bus; - for (i = 0; i < 5; i++) { - if ((i == 4) && priv->port4_phy && - priv->phy->interface == PHY_INTERFACE_MODE_RGMII) { - /* work around for phy4 rgmii mode */ - mdiobus_write(bus, i, MII_ATH_DBG_ADDR, 0x12); - mdiobus_write(bus, i, MII_ATH_DBG_DATA, 0x480c); - /* rx delay */ - mdiobus_write(bus, i, MII_ATH_DBG_ADDR, 0x0); - mdiobus_write(bus, i, MII_ATH_DBG_DATA, 0x824e); - /* tx delay */ - mdiobus_write(bus, i, MII_ATH_DBG_ADDR, 0x5); - mdiobus_write(bus, i, MII_ATH_DBG_DATA, 0x3d47); - msleep(1000); - } +static int +ar8216_sw_set_port_reset_mib(struct switch_dev *dev, + const struct switch_attr *attr, + struct switch_val *val) +{ + struct ar8216_priv *priv = to_ar8216(dev); + int port; + int ret; - /* initialize the port itself */ - mdiobus_write(bus, i, MII_ADVERTISE, - ADVERTISE_ALL | ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM); - mdiobus_write(bus, i, MII_CTRL1000, ADVERTISE_1000FULL); - mdiobus_write(bus, i, MII_BMCR, BMCR_RESET | BMCR_ANENABLE); - msleep(1000); - } + if (!ar8xxx_has_mib_counters(priv)) + return -EOPNOTSUPP; -out: - priv->initialized = true; - return 0; + port = val->port_vlan; + if (port >= dev->ports) + return -EINVAL; + + mutex_lock(&priv->mib_lock); + ret = ar8216_mib_capture(priv); + if (ret) + goto unlock; + + ar8216_mib_fetch_port_stat(priv, port, true); + + ret = 0; + +unlock: + mutex_unlock(&priv->mib_lock); + return ret; } static int -ar8216_reset_switch(struct switch_dev *dev) +ar8216_sw_get_port_mib(struct switch_dev *dev, + const struct switch_attr *attr, + struct switch_val *val) { struct ar8216_priv *priv = to_ar8216(dev); - int i; + const struct ar8xxx_chip *chip = priv->chip; + u64 *mib_stats; + int port; + int ret; + char *buf = priv->buf; + int i, len = 0; - mutex_lock(&priv->reg_mutex); - memset(&priv->vlan, 0, sizeof(struct ar8216_priv) - - offsetof(struct ar8216_priv, vlan)); - for (i = 0; i < AR8X16_MAX_VLANS; i++) { - priv->vlan_id[i] = i; - } - for (i = 0; i < AR8216_NUM_PORTS; i++) { - /* Enable port learning and tx */ - priv->write(priv, AR8216_REG_PORT_CTRL(i), - AR8216_PORT_CTRL_LEARN | - (4 << AR8216_PORT_CTRL_STATE_S)); - - priv->write(priv, AR8216_REG_PORT_VLAN(i), 0); - - /* Configure all PHYs */ - if (i == AR8216_PORT_CPU) { - priv->write(priv, AR8216_REG_PORT_STATUS(i), - AR8216_PORT_STATUS_LINK_UP | - ((priv->chip == AR8316) ? - AR8216_PORT_SPEED_1000M : AR8216_PORT_SPEED_100M) | - AR8216_PORT_STATUS_TXMAC | - AR8216_PORT_STATUS_RXMAC | - ((priv->chip == AR8316) ? AR8216_PORT_STATUS_RXFLOW : 0) | - ((priv->chip == AR8316) ? AR8216_PORT_STATUS_TXFLOW : 0) | - AR8216_PORT_STATUS_DUPLEX); - } else { - priv->write(priv, AR8216_REG_PORT_STATUS(i), - AR8216_PORT_STATUS_LINK_AUTO); - } - } - /* XXX: undocumented magic from atheros, required! */ - priv->write(priv, 0x38, 0xc000050e); + if (!ar8xxx_has_mib_counters(priv)) + return -EOPNOTSUPP; - if (priv->chip == AR8216) { - ar8216_rmw(priv, AR8216_REG_GLOBAL_CTRL, - AR8216_GCTRL_MTU, 1518 + 8 + 2); - } else if (priv->chip == AR8316 || - priv->chip == AR8236) { - /* enable jumbo frames */ - ar8216_rmw(priv, AR8216_REG_GLOBAL_CTRL, - AR8316_GCTRL_MTU, 9018 + 8 + 2); - } + port = val->port_vlan; + if (port >= dev->ports) + return -EINVAL; - if (priv->chip == AR8316) { - /* enable cpu port to receive multicast and broadcast frames */ - priv->write(priv, AR8216_REG_FLOOD_MASK, 0x003f003f); - } - mutex_unlock(&priv->reg_mutex); - return ar8216_hw_apply(dev); + mutex_lock(&priv->mib_lock); + ret = ar8216_mib_capture(priv); + if (ret) + goto unlock; + + ar8216_mib_fetch_port_stat(priv, port, false); + mutex_unlock(&priv->mib_lock); + + len += snprintf(buf + len, sizeof(priv->buf) - len, + "Port %d MIB counters\n", + port); + + mib_stats = &priv->mib_stats[port * chip->num_mibs]; + for (i = 0; i < chip->num_mibs; i++) + len += snprintf(buf + len, sizeof(priv->buf) - len, + "%-12s: %llu\n", + chip->mib_decs[i].name, + mib_stats[i]); + + val->value.s = buf; + val->len = len; + + ret = 0; + +unlock: + mutex_unlock(&priv->mib_lock); + return ret; } +static struct switch_attr ar8216_globals[] = { + { + .type = SWITCH_TYPE_INT, + .name = "enable_vlan", + .description = "Enable VLAN mode", + .set = ar8216_sw_set_vlan, + .get = ar8216_sw_get_vlan, + .max = 1 + }, + { + .type = SWITCH_TYPE_NOVAL, + .name = "reset_mibs", + .description = "Reset all MIB counters", + .set = ar8216_sw_set_reset_mibs, + }, + +}; + +static struct switch_attr ar8216_port[] = { + { + .type = SWITCH_TYPE_NOVAL, + .name = "reset_mib", + .description = "Reset single port MIB counters", + .set = ar8216_sw_set_port_reset_mib, + }, + { + .type = SWITCH_TYPE_STRING, + .name = "mib", + .description = "Get port's MIB counters", + .set = NULL, + .get = ar8216_sw_get_port_mib, + }, +}; + +static struct switch_attr ar8216_vlan[] = { + { + .type = SWITCH_TYPE_INT, + .name = "vid", + .description = "VLAN ID (0-4094)", + .set = ar8216_sw_set_vid, + .get = ar8216_sw_get_vid, + .max = 4094, + }, +}; -static const struct switch_dev_ops ar8216_ops = { +static const struct switch_dev_ops ar8216_sw_ops = { .attr_global = { .attr = ar8216_globals, .n_attr = ARRAY_SIZE(ar8216_globals), @@ -789,16 +1580,139 @@ static const struct switch_dev_ops ar8216_ops = { .attr = ar8216_vlan, .n_attr = ARRAY_SIZE(ar8216_vlan), }, - .get_port_pvid = ar8216_get_pvid, - .set_port_pvid = ar8216_set_pvid, - .get_vlan_ports = ar8216_get_ports, - .set_vlan_ports = ar8216_set_ports, - .apply_config = ar8216_hw_apply, - .reset_switch = ar8216_reset_switch, - .get_port_link = ar8216_get_port_link, + .get_port_pvid = ar8216_sw_get_pvid, + .set_port_pvid = ar8216_sw_set_pvid, + .get_vlan_ports = ar8216_sw_get_ports, + .set_vlan_ports = ar8216_sw_set_ports, + .apply_config = ar8216_sw_hw_apply, + .reset_switch = ar8216_sw_reset_switch, + .get_port_link = ar8216_sw_get_port_link, }; static int +ar8216_id_chip(struct ar8216_priv *priv) +{ + u32 val; + u16 id; + int i; + + val = ar8216_mii_read(priv, AR8216_REG_CTRL); + if (val == ~0) + return -ENODEV; + + id = val & (AR8216_CTRL_REVISION | AR8216_CTRL_VERSION); + for (i = 0; i < AR8X16_PROBE_RETRIES; i++) { + u16 t; + + val = ar8216_mii_read(priv, AR8216_REG_CTRL); + if (val == ~0) + return -ENODEV; + + t = val & (AR8216_CTRL_REVISION | AR8216_CTRL_VERSION); + if (t != id) + return -ENODEV; + } + + priv->chip_ver = (id & AR8216_CTRL_VERSION) >> AR8216_CTRL_VERSION_S; + priv->chip_rev = (id & AR8216_CTRL_REVISION); + + switch (priv->chip_ver) { + case AR8XXX_VER_AR8216: + priv->chip = &ar8216_chip; + break; + case AR8XXX_VER_AR8236: + priv->chip = &ar8236_chip; + break; + case AR8XXX_VER_AR8316: + priv->chip = &ar8316_chip; + break; + case AR8XXX_VER_AR8327: + priv->mii_lo_first = true; + priv->chip = &ar8327_chip; + break; + default: + printk(KERN_DEBUG + "ar8216: Unknown Atheros device [ver=%d, rev=%d, phy_id=%04x%04x]\n", + priv->chip_ver, priv->chip_rev, + mdiobus_read(priv->phy->bus, priv->phy->addr, 2), + mdiobus_read(priv->phy->bus, priv->phy->addr, 3)); + + return -ENODEV; + } + + return 0; +} + +static void +ar8xxx_mib_work_func(struct work_struct *work) +{ + struct ar8216_priv *priv; + int err; + + priv = container_of(work, struct ar8216_priv, mib_work.work); + + mutex_lock(&priv->mib_lock); + + err = ar8216_mib_capture(priv); + if (err) + goto next_port; + + ar8216_mib_fetch_port_stat(priv, priv->mib_next_port, false); + +next_port: + priv->mib_next_port++; + if (priv->mib_next_port > priv->dev.ports) + priv->mib_next_port = 0; + + mutex_unlock(&priv->mib_lock); + schedule_delayed_work(&priv->mib_work, + msecs_to_jiffies(AR8XXX_MIB_WORK_DELAY)); +} + +static int +ar8xxx_mib_init(struct ar8216_priv *priv) +{ + unsigned int len; + + if (!ar8xxx_has_mib_counters(priv)) + return 0; + + BUG_ON(!priv->chip->mib_decs || !priv->chip->num_mibs); + + len = priv->dev.ports * priv->chip->num_mibs * + sizeof(*priv->mib_stats); + priv->mib_stats = kzalloc(len, GFP_KERNEL); + + if (!priv->mib_stats) + return -ENOMEM; + + mutex_init(&priv->mib_lock); + INIT_DELAYED_WORK(&priv->mib_work, ar8xxx_mib_work_func); + + return 0; +} + +static void +ar8xxx_mib_start(struct ar8216_priv *priv) +{ + if (!ar8xxx_has_mib_counters(priv)) + return; + + schedule_delayed_work(&priv->mib_work, + msecs_to_jiffies(AR8XXX_MIB_WORK_DELAY)); +} + +static void +ar8xxx_mib_cleanup(struct ar8216_priv *priv) +{ + if (!ar8xxx_has_mib_counters(priv)) + return; + + cancel_delayed_work(&priv->mib_work); + kfree(priv->mib_stats); +} + +static int ar8216_config_init(struct phy_device *pdev) { struct ar8216_priv *priv = pdev->priv; @@ -814,13 +1728,17 @@ ar8216_config_init(struct phy_device *pdev) priv->phy = pdev; - priv->chip = ar8216_id_chip(priv); + ret = ar8216_id_chip(priv); + if (ret) + goto err_free_priv; if (pdev->addr != 0) { - if (priv->chip == AR8316) { + if (ar8xxx_has_gige(priv)) { pdev->supported |= SUPPORTED_1000baseT_Full; pdev->advertising |= ADVERTISED_1000baseT_Full; + } + if (chip_is_ar8316(priv)) { /* check if we're attaching to the switch twice */ pdev = pdev->bus->phy_map[0]; if (!pdev) { @@ -850,11 +1768,10 @@ ar8216_config_init(struct phy_device *pdev) return 0; } - printk(KERN_INFO "%s: AR%d switch driver attached.\n", - pdev->attached_dev->name, priv->chip); - - pdev->supported = priv->chip == AR8316 ? - SUPPORTED_1000baseT_Full : SUPPORTED_100baseT_Full; + if (ar8xxx_has_gige(priv)) + pdev->supported = SUPPORTED_1000baseT_Full; + else + pdev->supported = SUPPORTED_100baseT_Full; pdev->advertising = pdev->supported; mutex_init(&priv->reg_mutex); @@ -865,10 +1782,10 @@ ar8216_config_init(struct phy_device *pdev) swdev = &priv->dev; swdev->cpu_port = AR8216_PORT_CPU; - swdev->ops = &ar8216_ops; + swdev->ops = &ar8216_sw_ops; swdev->ports = AR8216_NUM_PORTS; - if (priv->chip == AR8316) { + if (chip_is_ar8316(priv)) { swdev->name = "Atheros AR8316"; swdev->vlans = AR8X16_MAX_VLANS; @@ -876,60 +1793,59 @@ ar8216_config_init(struct phy_device *pdev) /* port 5 connected to the other mac, therefore unusable */ swdev->ports = (AR8216_NUM_PORTS - 1); } - } else if (priv->chip == AR8236) { + } else if (chip_is_ar8236(priv)) { swdev->name = "Atheros AR8236"; swdev->vlans = AR8216_NUM_VLANS; swdev->ports = AR8216_NUM_PORTS; + } else if (chip_is_ar8327(priv)) { + swdev->name = "Atheros AR8327"; + swdev->vlans = AR8X16_MAX_VLANS; + swdev->ports = AR8327_NUM_PORTS; } else { swdev->name = "Atheros AR8216"; swdev->vlans = AR8216_NUM_VLANS; } - if ((ret = register_switch(&priv->dev, pdev->attached_dev)) < 0) { - kfree(priv); - goto done; - } + ret = ar8xxx_mib_init(priv); + if (ret) + goto err_free_priv; - priv->init = true; + ret = register_switch(&priv->dev, pdev->attached_dev); + if (ret) + goto err_cleanup_mib; - if (priv->chip == AR8316) { - ret = ar8316_hw_init(priv); - if (ret) { - kfree(priv); - goto done; - } - } + printk(KERN_INFO "%s: %s switch driver attached.\n", + pdev->attached_dev->name, swdev->name); - if (priv->chip == AR8236) { - ret = ar8236_hw_init(priv); - if (ret) { - kfree(priv); - goto done; - } - } + priv->init = true; - ret = ar8216_reset_switch(&priv->dev); - if (ret) { - kfree(priv); - goto done; - } + ret = priv->chip->hw_init(priv); + if (ret) + goto err_cleanup_mib; + + ret = ar8216_sw_reset_switch(&priv->dev); + if (ret) + goto err_cleanup_mib; dev->phy_ptr = priv; /* VID fixup only needed on ar8216 */ - if (pdev->addr == 0 && priv->chip == AR8216) { - pdev->pkt_align = 2; - pdev->netif_receive_skb = ar8216_netif_receive_skb; - pdev->netif_rx = ar8216_netif_rx; - priv->ndo_old = dev->netdev_ops; - memcpy(&priv->ndo, priv->ndo_old, sizeof(struct net_device_ops)); - priv->ndo.ndo_start_xmit = ar8216_mangle_tx; - dev->netdev_ops = &priv->ndo; + if (chip_is_ar8216(priv) && pdev->addr == 0) { + dev->priv_flags |= IFF_NO_IP_ALIGN; + dev->eth_mangle_rx = ar8216_mangle_rx; + dev->eth_mangle_tx = ar8216_mangle_tx; } priv->init = false; -done: + ar8xxx_mib_start(priv); + + return 0; + +err_cleanup_mib: + ar8xxx_mib_cleanup(priv); +err_free_priv: + kfree(priv); return ret; } @@ -939,9 +1855,9 @@ ar8216_read_status(struct phy_device *phydev) struct ar8216_priv *priv = phydev->priv; struct switch_port_link link; int ret; - if (phydev->addr != 0) { + + if (phydev->addr != 0) return genphy_read_status(phydev); - } ar8216_read_port_link(priv, phydev->addr, &link); phydev->link = !!link.link; @@ -950,13 +1866,13 @@ ar8216_read_status(struct phy_device *phydev) switch (link.speed) { case SWITCH_PORT_SPEED_10: - phydev->speed = SPEED_10; + phydev->speed = SPEED_10; break; case SWITCH_PORT_SPEED_100: - phydev->speed = SPEED_100; + phydev->speed = SPEED_100; break; case SWITCH_PORT_SPEED_1000: - phydev->speed = SPEED_1000; + phydev->speed = SPEED_1000; break; default: phydev->speed = 0; @@ -965,9 +1881,7 @@ ar8216_read_status(struct phy_device *phydev) /* flush the address translation unit */ mutex_lock(&priv->reg_mutex); - ret = ar8216_wait_bit(priv, AR8216_REG_ATU, AR8216_ATU_ACTIVE, 0); - if (!ret) - priv->write(priv, AR8216_REG_ATU, AR8216_ATU_OP_FLUSH); + ret = priv->chip->atu_flush(priv); mutex_unlock(&priv->reg_mutex); phydev->state = PHY_RUNNING; @@ -989,15 +1903,19 @@ ar8216_config_aneg(struct phy_device *phydev) static int ar8216_probe(struct phy_device *pdev) { - struct ar8216_priv priv; - u16 chip; + struct ar8216_priv *priv; + int ret; - priv.phy = pdev; - chip = ar8216_id_chip(&priv); - if (chip == UNKNOWN) - return -ENODEV; + priv = kzalloc(sizeof(struct ar8216_priv), GFP_KERNEL); + if (priv == NULL) + return -ENOMEM; - return 0; + priv->phy = pdev; + + ret = ar8216_id_chip(priv); + kfree(priv); + + return ret; } static void @@ -1009,10 +1927,14 @@ ar8216_remove(struct phy_device *pdev) if (!priv) return; - if (priv->ndo_old && dev) - dev->netdev_ops = priv->ndo_old; + dev->priv_flags &= ~IFF_NO_IP_ALIGN; + dev->eth_mangle_rx = NULL; + dev->eth_mangle_tx = NULL; + if (pdev->addr == 0) unregister_switch(&priv->dev); + + ar8xxx_mib_cleanup(priv); kfree(priv); }