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authornbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73>2009-09-16 12:24:46 +0000
committernbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73>2009-09-16 12:24:46 +0000
commit8bdac63e6f074730f550a6659e62fc4b81f9c143 (patch)
tree9542c733509edab6b0cfc011f3d7635645f525c4 /target/linux/generic-2.6/files-2.6.31/drivers
parent70294f60e0d24facb051d710e2ffbc523f08b52d (diff)
move the updated version (for 2.6.30+) of ar8216/mvswitch to the generic files directory and remove patches for older kernel versions (no longer in use)
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@17594 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/generic-2.6/files-2.6.31/drivers')
-rw-r--r--target/linux/generic-2.6/files-2.6.31/drivers/net/phy/ar8216.c651
-rw-r--r--target/linux/generic-2.6/files-2.6.31/drivers/net/phy/mvswitch.c467
2 files changed, 0 insertions, 1118 deletions
diff --git a/target/linux/generic-2.6/files-2.6.31/drivers/net/phy/ar8216.c b/target/linux/generic-2.6/files-2.6.31/drivers/net/phy/ar8216.c
deleted file mode 100644
index 93e4b33d94..0000000000
--- a/target/linux/generic-2.6/files-2.6.31/drivers/net/phy/ar8216.c
+++ /dev/null
@@ -1,651 +0,0 @@
-/*
- * ar8216.c: AR8216 switch driver
- *
- * Copyright (C) 2009 Felix Fietkau <nbd@openwrt.org>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- */
-
-#include <linux/if.h>
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/list.h>
-#include <linux/if_ether.h>
-#include <linux/skbuff.h>
-#include <linux/netdevice.h>
-#include <linux/netlink.h>
-#include <linux/bitops.h>
-#include <net/genetlink.h>
-#include <linux/switch.h>
-#include <linux/delay.h>
-#include <linux/phy.h>
-#include <linux/netdevice.h>
-#include <linux/etherdevice.h>
-#include "ar8216.h"
-
-
-struct ar8216_priv {
- struct switch_dev dev;
- struct phy_device *phy;
- u32 (*read)(struct ar8216_priv *priv, int reg);
- void (*write)(struct ar8216_priv *priv, int reg, u32 val);
- const struct net_device_ops *ndo_old;
- struct net_device_ops ndo;
-
- /* all fields below are cleared on reset */
- bool vlan;
- u8 vlan_id[AR8216_NUM_VLANS];
- u8 vlan_table[AR8216_NUM_VLANS];
- u8 vlan_tagged;
- u16 pvid[AR8216_NUM_PORTS];
-};
-static struct switch_dev athdev;
-
-#define to_ar8216(_dev) container_of(_dev, struct ar8216_priv, dev)
-
-static inline void
-split_addr(u32 regaddr, u16 *r1, u16 *r2, u16 *page)
-{
- regaddr >>= 1;
- *r1 = regaddr & 0x1e;
-
- regaddr >>= 5;
- *r2 = regaddr & 0x7;
-
- regaddr >>= 3;
- *page = regaddr & 0x1ff;
-}
-
-static u32
-ar8216_mii_read(struct ar8216_priv *priv, int reg)
-{
- struct phy_device *phy = priv->phy;
- u16 r1, r2, page;
- u16 lo, hi;
-
- split_addr((u32) reg, &r1, &r2, &page);
- phy->bus->write(phy->bus, 0x18, 0, page);
- msleep(1); /* wait for the page switch to propagate */
- lo = phy->bus->read(phy->bus, 0x10 | r2, r1);
- hi = phy->bus->read(phy->bus, 0x10 | r2, r1 + 1);
-
- return (hi << 16) | lo;
-}
-
-static void
-ar8216_mii_write(struct ar8216_priv *priv, int reg, u32 val)
-{
- struct phy_device *phy = priv->phy;
- u16 r1, r2, r3;
- u16 lo, hi;
-
- split_addr((u32) reg, &r1, &r2, &r3);
- phy->bus->write(phy->bus, 0x18, 0, r3);
- msleep(1); /* wait for the page switch to propagate */
-
- lo = val & 0xffff;
- hi = (u16) (val >> 16);
- phy->bus->write(phy->bus, 0x10 | r2, r1 + 1, hi);
- phy->bus->write(phy->bus, 0x10 | r2, r1, lo);
-}
-
-static u32
-ar8216_rmw(struct ar8216_priv *priv, int reg, u32 mask, u32 val)
-{
- u32 v;
-
- v = priv->read(priv, reg);
- v &= ~mask;
- v |= val;
- priv->write(priv, reg, v);
-
- return v;
-}
-
-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);
- 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_mangle_tx(struct sk_buff *skb, struct net_device *dev)
-{
- struct ar8216_priv *priv = dev->phy_ptr;
- unsigned char *buf;
-
- if (unlikely(!priv))
- goto error;
-
- if (!priv->vlan)
- goto send;
-
- if (unlikely(skb_headroom(skb) < 2)) {
- if (pskb_expand_head(skb, 2, 0, GFP_ATOMIC) < 0)
- goto error;
- }
-
- buf = skb_push(skb, 2);
- buf[0] = 0x10;
- buf[1] = 0x80;
-
-send:
- return priv->ndo_old->ndo_start_xmit(skb, dev);
-
-error:
- dev_kfree_skb_any(skb);
- return 0;
-}
-
-static int
-ar8216_mangle_rx(struct sk_buff *skb, int napi)
-{
- 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;
-
- /* don't strip the header if vlan mode is disabled */
- if (!priv->vlan)
- goto recv;
-
- /* strip header, get vlan id */
- buf = skb->data;
- skb_pull(skb, 2);
-
- /* check for vlan header presence */
- if ((buf[12 + 2] != 0x81) || (buf[13 + 2] != 0x00))
- goto recv;
-
- port = buf[0] & 0xf;
-
- /* no need to fix up packets coming from a tagged source */
- if (priv->vlan_tagged & (1 << port))
- goto recv;
-
- /* lookup port vid from local table, the switch passes an invalid vlan id */
- vlan = priv->pvid[port];
-
- buf[14 + 2] &= 0xf0;
- buf[14 + 2] |= vlan >> 8;
- buf[15 + 2] = vlan & 0xff;
-
-recv:
- skb->protocol = eth_type_trans(skb, skb->dev);
-
- if (napi)
- return netif_receive_skb(skb);
- else
- return netif_rx(skb);
-
-error:
- /* no vlan? eat the packet! */
- dev_kfree_skb_any(skb);
- return 0;
-}
-
-static int
-ar8216_netif_rx(struct sk_buff *skb)
-{
- return ar8216_mangle_rx(skb, 0);
-}
-
-static int
-ar8216_netif_receive_skb(struct sk_buff *skb)
-{
- return ar8216_mangle_rx(skb, 1);
-}
-
-
-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 = "pvid",
- .description = "VLAN ID",
- .set = ar8216_set_vid,
- .get = ar8216_get_vid,
- .max = 4095,
- },
-};
-
-
-static int
-ar8216_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 < 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 < AR8216_NUM_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;
-
- while ((priv->read(priv, reg) & mask) != val) {
- if (timeout-- <= 0) {
- printk(KERN_ERR "ar8216: timeout waiting for operation to complete\n");
- return 1;
- }
- }
- return 0;
-}
-
-static void
-ar8216_vtu_op(struct ar8216_priv *priv, u32 op, u32 val)
-{
- 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_hw_apply(struct switch_dev *dev)
-{
- struct ar8216_priv *priv = to_ar8216(dev);
- u8 portmask[AR8216_NUM_PORTS];
- int i, j;
-
- /* flush all vlan translation unit entries */
- ar8216_vtu_op(priv, AR8216_VTU_OP_FLUSH, 0);
-
- memset(portmask, 0, sizeof(portmask));
- if (priv->vlan) {
- /* calculate the port destination masks and load vlans
- * into the vlan translation unit */
- for (j = 0; j < AR8216_NUM_VLANS; j++) {
- u8 vp = priv->vlan_table[j];
-
- if (!vp)
- continue;
-
- for (i = 0; i < AR8216_NUM_PORTS; i++) {
- u8 mask = (1 << i);
- if (vp & mask)
- portmask[i] |= vp & ~mask;
- }
-
- if (!priv->vlan_table[j])
- continue;
-
- ar8216_vtu_op(priv,
- AR8216_VTU_OP_LOAD |
- (priv->vlan_id[j] << AR8216_VTU_VID_S),
- 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++) {
- if (i == AR8216_PORT_CPU)
- continue;
-
- portmask[i] = 1 << AR8216_PORT_CPU;
- portmask[AR8216_PORT_CPU] |= (1 << i);
- }
- }
-
- /* update the port destination mask registers and tag settings */
- for (i = 0; i < AR8216_NUM_PORTS; i++) {
- int egress, ingress;
- int pvid;
-
- if (priv->vlan) {
- pvid = priv->vlan_id[priv->pvid[i]];
- } else {
- pvid = i;
- }
-
- if (priv->vlan && (priv->vlan_tagged & (1 << i))) {
- egress = AR8216_OUT_ADD_VLAN;
- } else {
- egress = AR8216_OUT_STRIP_VLAN;
- }
- ingress = AR8216_IN_SECURE;
-
- ar8216_rmw(priv, AR8216_REG_PORT_CTRL(i),
- AR8216_PORT_CTRL_LEARN | AR8216_PORT_CTRL_VLAN_MODE |
- AR8216_PORT_CTRL_SINGLE_VLAN | AR8216_PORT_CTRL_STATE |
- AR8216_PORT_CTRL_HEADER | AR8216_PORT_CTRL_LEARN_LOCK,
- AR8216_PORT_CTRL_LEARN |
- (priv->vlan && i == AR8216_PORT_CPU ?
- AR8216_PORT_CTRL_HEADER : 0) |
- (egress << AR8216_PORT_CTRL_VLAN_MODE_S) |
- (AR8216_PORT_STATE_FORWARD << AR8216_PORT_CTRL_STATE_S));
-
- ar8216_rmw(priv, AR8216_REG_PORT_VLAN(i),
- AR8216_PORT_VLAN_DEST_PORTS | AR8216_PORT_VLAN_MODE |
- AR8216_PORT_VLAN_DEFAULT_ID,
- (portmask[i] << AR8216_PORT_VLAN_DEST_PORTS_S) |
- (ingress << AR8216_PORT_VLAN_MODE_S) |
- (pvid << AR8216_PORT_VLAN_DEFAULT_ID_S));
- }
-
- return 0;
-}
-
-static int
-ar8216_reset_switch(struct switch_dev *dev)
-{
- struct ar8216_priv *priv = to_ar8216(dev);
- int i;
-
- memset(&priv->vlan, 0, sizeof(struct ar8216_priv) -
- offsetof(struct ar8216_priv, vlan));
- for (i = 0; i < AR8216_NUM_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 |
- AR8216_PORT_STATUS_SPEED |
- AR8216_PORT_STATUS_TXMAC |
- AR8216_PORT_STATUS_RXMAC |
- 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);
-
- ar8216_rmw(priv, AR8216_REG_GLOBAL_CTRL,
- AR8216_GCTRL_MTU, 1518 + 8 + 2);
-
- return ar8216_hw_apply(dev);
-}
-
-static int
-ar8216_config_init(struct phy_device *pdev)
-{
- struct ar8216_priv *priv;
- struct net_device *dev = pdev->attached_dev;
- int ret;
-
- printk("%s: AR8216 PHY driver attached.\n", pdev->attached_dev->name);
- pdev->supported = ADVERTISED_100baseT_Full;
- pdev->advertising = ADVERTISED_100baseT_Full;
-
- priv = kzalloc(sizeof(struct ar8216_priv), GFP_KERNEL);
- if (priv == NULL)
- return -ENOMEM;
-
- priv->phy = pdev;
- priv->read = ar8216_mii_read;
- priv->write = ar8216_mii_write;
- memcpy(&priv->dev, &athdev, sizeof(struct switch_dev));
- pdev->priv = priv;
- if ((ret = register_switch(&priv->dev, pdev->attached_dev)) < 0) {
- kfree(priv);
- goto done;
- }
-
- ret = ar8216_reset_switch(&priv->dev);
- if (ret)
- goto done;
-
- dev->phy_ptr = priv;
- 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;
-
-done:
- return ret;
-}
-
-static int
-ar8216_read_status(struct phy_device *phydev)
-{
- struct ar8216_priv *priv = phydev->priv;
-
- phydev->speed = SPEED_100;
- phydev->duplex = DUPLEX_FULL;
- phydev->state = PHY_UP;
-
- /* flush the address translation unit */
- if (ar8216_wait_bit(priv, AR8216_REG_ATU, AR8216_ATU_ACTIVE, 0))
- return -ETIMEDOUT;
-
- priv->write(priv, AR8216_REG_ATU, AR8216_ATU_OP_FLUSH);
-
- return 0;
-}
-
-static int
-ar8216_config_aneg(struct phy_device *phydev)
-{
- return 0;
-}
-
-static int
-ar8216_probe(struct phy_device *pdev)
-{
- struct ar8216_priv priv;
-
- u8 id, rev;
- u32 val;
-
- priv.phy = pdev;
- val = ar8216_mii_read(&priv, AR8216_REG_CTRL);
- rev = val & 0xff;
- id = (val >> 8) & 0xff;
- if ((id != 1) || (rev != 1))
- return -ENODEV;
-
- return 0;
-}
-
-static void
-ar8216_remove(struct phy_device *pdev)
-{
- struct ar8216_priv *priv = pdev->priv;
- struct net_device *dev = pdev->attached_dev;
-
- if (!priv)
- return;
-
- if (priv->ndo_old && dev)
- dev->netdev_ops = priv->ndo_old;
- unregister_switch(&priv->dev);
- kfree(priv);
-}
-
-/* template */
-static struct switch_dev athdev = {
- .name = "Atheros AR8216",
- .cpu_port = AR8216_PORT_CPU,
- .ports = AR8216_NUM_PORTS,
- .vlans = AR8216_NUM_VLANS,
- .attr_global = {
- .attr = ar8216_globals,
- .n_attr = ARRAY_SIZE(ar8216_globals),
- },
- .attr_port = {
- .attr = ar8216_port,
- .n_attr = ARRAY_SIZE(ar8216_port),
- },
- .attr_vlan = {
- .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,
-};
-
-static struct phy_driver ar8216_driver = {
- .name = "Atheros AR8216",
- .features = PHY_BASIC_FEATURES,
- .probe = ar8216_probe,
- .remove = ar8216_remove,
- .config_init = &ar8216_config_init,
- .config_aneg = &ar8216_config_aneg,
- .read_status = &ar8216_read_status,
- .driver = { .owner = THIS_MODULE },
-};
-
-int __init
-ar8216_init(void)
-{
- return phy_driver_register(&ar8216_driver);
-}
-
-void __exit
-ar8216_exit(void)
-{
- phy_driver_unregister(&ar8216_driver);
-}
-
-module_init(ar8216_init);
-module_exit(ar8216_exit);
-MODULE_LICENSE("GPL");
-
diff --git a/target/linux/generic-2.6/files-2.6.31/drivers/net/phy/mvswitch.c b/target/linux/generic-2.6/files-2.6.31/drivers/net/phy/mvswitch.c
deleted file mode 100644
index 7aed70d47f..0000000000
--- a/target/linux/generic-2.6/files-2.6.31/drivers/net/phy/mvswitch.c
+++ /dev/null
@@ -1,467 +0,0 @@
-/*
- * Marvell 88E6060 switch driver
- * Copyright (c) 2008 Felix Fietkau <nbd@openwrt.org>
- *
- * 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
- * Free Software Foundation
- */
-#include <linux/kernel.h>
-#include <linux/string.h>
-#include <linux/errno.h>
-#include <linux/unistd.h>
-#include <linux/slab.h>
-#include <linux/interrupt.h>
-#include <linux/init.h>
-#include <linux/delay.h>
-#include <linux/netdevice.h>
-#include <linux/etherdevice.h>
-#include <linux/skbuff.h>
-#include <linux/spinlock.h>
-#include <linux/mm.h>
-#include <linux/module.h>
-#include <linux/mii.h>
-#include <linux/ethtool.h>
-#include <linux/phy.h>
-#include <linux/if_vlan.h>
-
-#include <asm/io.h>
-#include <asm/irq.h>
-#include <asm/uaccess.h>
-#include "mvswitch.h"
-
-/* Undefine this to use trailer mode instead.
- * I don't know if header mode works with all chips */
-#define HEADER_MODE 1
-
-MODULE_DESCRIPTION("Marvell 88E6060 Switch driver");
-MODULE_AUTHOR("Felix Fietkau");
-MODULE_LICENSE("GPL");
-
-#define MVSWITCH_MAGIC 0x88E6060
-
-struct mvswitch_priv {
- const struct net_device_ops *ndo_old;
- struct net_device_ops ndo;
- struct vlan_group *grp;
- u8 vlans[16];
-};
-
-#define to_mvsw(_phy) ((struct mvswitch_priv *) (_phy)->priv)
-
-static inline u16
-r16(struct phy_device *phydev, int addr, int reg)
-{
- return phydev->bus->read(phydev->bus, addr, reg);
-}
-
-static inline void
-w16(struct phy_device *phydev, int addr, int reg, u16 val)
-{
- phydev->bus->write(phydev->bus, addr, reg, val);
-}
-
-
-static int
-mvswitch_mangle_tx(struct sk_buff *skb, struct net_device *dev)
-{
- struct mvswitch_priv *priv;
- char *buf = NULL;
- u16 vid;
-
- priv = dev->phy_ptr;
- if (unlikely(!priv))
- goto error;
-
- if (unlikely(skb->len < 16))
- goto error;
-
-#ifdef HEADER_MODE
- if (__vlan_hwaccel_get_tag(skb, &vid))
- goto error;
-
- if (skb_cloned(skb) || (skb->len <= 62) || (skb_headroom(skb) < MV_HEADER_SIZE)) {
- if (pskb_expand_head(skb, MV_HEADER_SIZE, (skb->len < 62 ? 62 - skb->len : 0), GFP_ATOMIC))
- goto error_expand;
- if (skb->len < 62)
- skb->len = 62;
- }
- buf = skb_push(skb, MV_HEADER_SIZE);
-#else
- if (__vlan_get_tag(skb, &vid))
- goto error;
-
- if (unlikely((vid > 15 || !priv->vlans[vid])))
- goto error;
-
- if (skb->len <= 64) {
- if (pskb_expand_head(skb, 0, 64 + MV_TRAILER_SIZE - skb->len, GFP_ATOMIC))
- goto error_expand;
-
- buf = skb->data + 64;
- skb->len = 64 + MV_TRAILER_SIZE;
- } else {
- if (skb_cloned(skb) || unlikely(skb_tailroom(skb) < 4)) {
- if (pskb_expand_head(skb, 0, 4, GFP_ATOMIC))
- goto error_expand;
- }
- buf = skb_put(skb, 4);
- }
-
- /* move the ethernet header 4 bytes forward, overwriting the vlan tag */
- memmove(skb->data + 4, skb->data, 12);
- skb->data += 4;
- skb->len -= 4;
- skb->mac_header += 4;
-#endif
-
- if (!buf)
- goto error;
-
-
-#ifdef HEADER_MODE
- /* prepend the tag */
- *((__be16 *) buf) = cpu_to_be16(
- ((vid << MV_HEADER_VLAN_S) & MV_HEADER_VLAN_M) |
- ((priv->vlans[vid] << MV_HEADER_PORTS_S) & MV_HEADER_PORTS_M)
- );
-#else
- /* append the tag */
- *((__be32 *) buf) = cpu_to_be32((
- (MV_TRAILER_OVERRIDE << MV_TRAILER_FLAGS_S) |
- ((priv->vlans[vid] & MV_TRAILER_PORTS_M) << MV_TRAILER_PORTS_S)
- ));
-#endif
-
- return priv->ndo_old->ndo_start_xmit(skb, dev);
-
-error_expand:
- if (net_ratelimit())
- printk("%s: failed to expand/update skb for the switch\n", dev->name);
-
-error:
- /* any errors? drop the packet! */
- dev_kfree_skb_any(skb);
- return 0;
-}
-
-static int
-mvswitch_mangle_rx(struct sk_buff *skb, int napi)
-{
- struct mvswitch_priv *priv;
- struct net_device *dev;
- int vlan = -1;
- unsigned char *buf;
- int i;
-
- dev = skb->dev;
- if (!dev)
- goto error;
-
- priv = dev->phy_ptr;
- if (!priv)
- goto error;
-
- if (!priv->grp)
- goto error;
-
-#ifdef HEADER_MODE
- buf = skb->data;
- skb_pull(skb, MV_HEADER_SIZE);
-#else
- buf = skb->data + skb->len - MV_TRAILER_SIZE;
- if (buf[0] != 0x80)
- goto error;
-#endif
-
- /* look for the vlan matching the incoming port */
- for (i = 0; i < ARRAY_SIZE(priv->vlans); i++) {
- if ((1 << buf[1]) & priv->vlans[i])
- vlan = i;
- }
-
- if (vlan == -1)
- goto error;
-
- skb->protocol = eth_type_trans(skb, skb->dev);
-
- if (napi)
- return vlan_hwaccel_receive_skb(skb, priv->grp, vlan);
- else
- return vlan_hwaccel_rx(skb, priv->grp, vlan);
-
-error:
- /* no vlan? eat the packet! */
- dev_kfree_skb_any(skb);
- return 0;
-}
-
-
-static int
-mvswitch_netif_rx(struct sk_buff *skb)
-{
- return mvswitch_mangle_rx(skb, 0);
-}
-
-static int
-mvswitch_netif_receive_skb(struct sk_buff *skb)
-{
- return mvswitch_mangle_rx(skb, 1);
-}
-
-
-static void
-mvswitch_vlan_rx_register(struct net_device *dev, struct vlan_group *grp)
-{
- struct mvswitch_priv *priv = dev->phy_ptr;
- priv->grp = grp;
-}
-
-
-static int
-mvswitch_wait_mask(struct phy_device *pdev, int addr, int reg, u16 mask, u16 val)
-{
- int i = 100;
- u16 r;
-
- do {
- r = r16(pdev, addr, reg) & mask;
- if (r == val)
- return 0;
- } while(--i > 0);
- return -ETIMEDOUT;
-}
-
-static int
-mvswitch_config_init(struct phy_device *pdev)
-{
- struct mvswitch_priv *priv = to_mvsw(pdev);
- struct net_device *dev = pdev->attached_dev;
- u8 vlmap = 0;
- int i;
-
- if (!dev)
- return -EINVAL;
-
- printk("%s: Marvell 88E6060 PHY driver attached.\n", dev->name);
- pdev->supported = ADVERTISED_100baseT_Full;
- pdev->advertising = ADVERTISED_100baseT_Full;
- dev->phy_ptr = priv;
- dev->irq = PHY_POLL;
-
- /* initialize default vlans */
- for (i = 0; i < MV_PORTS; i++)
- priv->vlans[(i == MV_WANPORT ? 2 : 1)] |= (1 << i);
-
- /* before entering reset, disable all ports */
- for (i = 0; i < MV_PORTS; i++)
- w16(pdev, MV_PORTREG(CONTROL, i), 0x00);
-
- msleep(2); /* wait for the status change to settle in */
-
- /* put the ATU in reset */
- w16(pdev, MV_SWITCHREG(ATU_CTRL), MV_ATUCTL_RESET);
-
- i = mvswitch_wait_mask(pdev, MV_SWITCHREG(ATU_CTRL), MV_ATUCTL_RESET, 0);
- if (i < 0) {
- printk("%s: Timeout waiting for the switch to reset.\n", dev->name);
- return i;
- }
-
- /* set the ATU flags */
- w16(pdev, MV_SWITCHREG(ATU_CTRL),
- MV_ATUCTL_NO_LEARN |
- MV_ATUCTL_ATU_1K |
- MV_ATUCTL_AGETIME(MV_ATUCTL_AGETIME_MIN) /* minimum without disabling ageing */
- );
-
- /* initialize the cpu port */
- w16(pdev, MV_PORTREG(CONTROL, MV_CPUPORT),
-#ifdef HEADER_MODE
- MV_PORTCTRL_HEADER |
-#else
- MV_PORTCTRL_RXTR |
- MV_PORTCTRL_TXTR |
-#endif
- MV_PORTCTRL_ENABLED
- );
- /* wait for the phy change to settle in */
- msleep(2);
- for (i = 0; i < MV_PORTS; i++) {
- u8 pvid = 0;
- int j;
-
- vlmap = 0;
-
- /* look for the matching vlan */
- for (j = 0; j < ARRAY_SIZE(priv->vlans); j++) {
- if (priv->vlans[j] & (1 << i)) {
- vlmap = priv->vlans[j];
- pvid = j;
- }
- }
- /* leave port unconfigured if it's not part of a vlan */
- if (!vlmap)
- continue;
-
- /* add the cpu port to the allowed destinations list */
- vlmap |= (1 << MV_CPUPORT);
-
- /* take port out of its own vlan destination map */
- vlmap &= ~(1 << i);
-
- /* apply vlan settings */
- w16(pdev, MV_PORTREG(VLANMAP, i),
- MV_PORTVLAN_PORTS(vlmap) |
- MV_PORTVLAN_ID(i)
- );
-
- /* re-enable port */
- w16(pdev, MV_PORTREG(CONTROL, i),
- MV_PORTCTRL_ENABLED
- );
- }
-
- w16(pdev, MV_PORTREG(VLANMAP, MV_CPUPORT),
- MV_PORTVLAN_ID(MV_CPUPORT)
- );
-
- /* set the port association vector */
- for (i = 0; i <= MV_PORTS; i++) {
- w16(pdev, MV_PORTREG(ASSOC, i),
- MV_PORTASSOC_PORTS(1 << i)
- );
- }
-
- /* init switch control */
- w16(pdev, MV_SWITCHREG(CTRL),
- MV_SWITCHCTL_MSIZE |
- MV_SWITCHCTL_DROP
- );
-
- /* hook into the tx function */
- priv->ndo_old = dev->netdev_ops;
- memcpy(&priv->ndo, priv->ndo_old, sizeof(struct net_device_ops));
- priv->ndo.ndo_start_xmit = mvswitch_mangle_tx;
- priv->ndo.ndo_vlan_rx_register = mvswitch_vlan_rx_register;
- dev->netdev_ops = &priv->ndo;
-
- pdev->pkt_align = 2;
- pdev->netif_receive_skb = mvswitch_netif_receive_skb;
- pdev->netif_rx = mvswitch_netif_rx;
-#ifdef HEADER_MODE
- dev->features |= NETIF_F_HW_VLAN_RX | NETIF_F_HW_VLAN_TX;
-#else
- dev->features |= NETIF_F_HW_VLAN_RX;
-#endif
-
- return 0;
-}
-
-static int
-mvswitch_read_status(struct phy_device *pdev)
-{
- pdev->speed = SPEED_100;
- pdev->duplex = DUPLEX_FULL;
- pdev->state = PHY_UP;
-
- /* XXX ugly workaround: we can't force the switch
- * to gracefully handle hosts moving from one port to another,
- * so we have to regularly clear the ATU database */
-
- /* wait for the ATU to become available */
- mvswitch_wait_mask(pdev, MV_SWITCHREG(ATU_OP), MV_ATUOP_INPROGRESS, 0);
-
- /* flush the ATU */
- w16(pdev, MV_SWITCHREG(ATU_OP),
- MV_ATUOP_INPROGRESS |
- MV_ATUOP_FLUSH_ALL
- );
-
- /* wait for operation to complete */
- mvswitch_wait_mask(pdev, MV_SWITCHREG(ATU_OP), MV_ATUOP_INPROGRESS, 0);
-
- return 0;
-}
-
-static int
-mvswitch_config_aneg(struct phy_device *phydev)
-{
- return 0;
-}
-
-static void
-mvswitch_remove(struct phy_device *pdev)
-{
- struct mvswitch_priv *priv = to_mvsw(pdev);
- struct net_device *dev = pdev->attached_dev;
-
- /* restore old netdev ops */
- if (priv->ndo_old && dev)
- dev->netdev_ops = priv->ndo_old;
- dev->vlan_rx_register = NULL;
- dev->vlan_rx_kill_vid = NULL;
- dev->phy_ptr = NULL;
- dev->features &= ~NETIF_F_HW_VLAN_RX;
- kfree(priv);
-}
-
-static int
-mvswitch_probe(struct phy_device *pdev)
-{
- struct mvswitch_priv *priv;
-
- priv = kzalloc(sizeof(struct mvswitch_priv), GFP_KERNEL);
- if (priv == NULL)
- return -ENOMEM;
-
- pdev->priv = priv;
-
- return 0;
-}
-
-static int
-mvswitch_fixup(struct phy_device *dev)
-{
- u16 reg;
-
- if (dev->addr != 0x10)
- return 0;
-
- reg = dev->bus->read(dev->bus, MV_PORTREG(IDENT, 0)) & MV_IDENT_MASK;
- if (reg != MV_IDENT_VALUE)
- return 0;
-
- dev->phy_id = MVSWITCH_MAGIC;
- return 0;
-}
-
-
-static struct phy_driver mvswitch_driver = {
- .name = "Marvell 88E6060",
- .phy_id = MVSWITCH_MAGIC,
- .phy_id_mask = 0xffffffff,
- .features = PHY_BASIC_FEATURES,
- .probe = &mvswitch_probe,
- .remove = &mvswitch_remove,
- .config_init = &mvswitch_config_init,
- .config_aneg = &mvswitch_config_aneg,
- .read_status = &mvswitch_read_status,
- .driver = { .owner = THIS_MODULE,},
-};
-
-static int __init
-mvswitch_init(void)
-{
- phy_register_fixup_for_id(PHY_ANY_ID, mvswitch_fixup);
- return phy_driver_register(&mvswitch_driver);
-}
-
-static void __exit
-mvswitch_exit(void)
-{
- phy_driver_unregister(&mvswitch_driver);
-}
-
-module_init(mvswitch_init);
-module_exit(mvswitch_exit);