+++ /dev/null
-/*
- * ADM5120 built in ethernet switch driver
- *
- * Copyright Jeroen Vreeken (pe1rxq@amsat.org), 2005
- *
- * Inspiration for this driver came from the original ADMtek 2.4
- * driver, Copyright ADMtek Inc.
- *
- * NAPI extensions by Thomas Langer (Thomas.Langer@infineon.com)
- * and Friedrich Beckmann (Friedrich.Beckmann@infineon.com), 2007
- *
- * TODO: Add support of high prio queues (currently disabled)
- *
- */
-#include <linux/autoconf.h>
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/netdevice.h>
-#include <linux/etherdevice.h>
-#include <linux/skbuff.h>
-#include <linux/errno.h>
-#include <linux/interrupt.h>
-#include <linux/ioport.h>
-#include <asm/mipsregs.h>
-#include <asm/irq.h>
-#include <asm/io.h>
-#include "adm5120sw.h"
-
-#include <asm/mach-adm5120/adm5120_info.h>
-#include <asm/mach-adm5120/adm5120_irq.h>
-
-MODULE_AUTHOR("Jeroen Vreeken (pe1rxq@amsat.org)");
-MODULE_DESCRIPTION("ADM5120 ethernet switch driver");
-MODULE_LICENSE("GPL");
-
-/* default settings - unlimited TX and RX on all ports, default shaper mode */
-static unsigned char bw_matrix[SW_DEVS] = {
- 0, 0, 0, 0, 0, 0
-};
-
-static int adm5120_nrdevs;
-
-static struct net_device *adm5120_devs[SW_DEVS];
-/* Lookup table port -> device */
-static struct net_device *adm5120_port[SW_DEVS];
-
-static struct adm5120_dma
- adm5120_dma_txh_v[ADM5120_DMA_TXH] __attribute__((aligned(16))),
- adm5120_dma_txl_v[ADM5120_DMA_TXL] __attribute__((aligned(16))),
- adm5120_dma_rxh_v[ADM5120_DMA_RXH] __attribute__((aligned(16))),
- adm5120_dma_rxl_v[ADM5120_DMA_RXL] __attribute__((aligned(16))),
- *adm5120_dma_txh,
- *adm5120_dma_txl,
- *adm5120_dma_rxh,
- *adm5120_dma_rxl;
-static struct sk_buff
- *adm5120_skb_rxh[ADM5120_DMA_RXH],
- *adm5120_skb_rxl[ADM5120_DMA_RXL],
- *adm5120_skb_txh[ADM5120_DMA_TXH],
- *adm5120_skb_txl[ADM5120_DMA_TXL];
-static int adm5120_rxli = 0;
-static int adm5120_txli = 0;
-/*static int adm5120_txhi = 0;*/
-static int adm5120_if_open = 0;
-
-static inline void adm5120_set_reg(unsigned int reg, unsigned long val)
-{
- *(volatile unsigned long*)(SW_BASE+reg) = val;
-}
-
-static inline unsigned long adm5120_get_reg(unsigned int reg)
-{
- return *(volatile unsigned long*)(SW_BASE+reg);
-}
-
-static inline void adm5120_rx_dma_update(struct adm5120_dma *dma,
- struct sk_buff *skb, int end)
-{
- dma->status = 0;
- dma->cntl = 0;
- dma->len = ADM5120_DMA_RXSIZE;
- dma->data = ADM5120_DMA_ADDR(skb->data) |
- ADM5120_DMA_OWN | (end ? ADM5120_DMA_RINGEND : 0);
-}
-
-static int adm5120_rx(struct net_device *dev,int *budget)
-{
- struct sk_buff *skb, *skbn;
- struct adm5120_sw *priv;
- struct net_device *cdev;
- struct adm5120_dma *dma;
- int port, len, quota;
-
- quota = min(dev->quota, *budget);
- dma = &adm5120_dma_rxl[adm5120_rxli];
- while (!(dma->data & ADM5120_DMA_OWN) && quota) {
- port = (dma->status & ADM5120_DMA_PORTID);
- port >>= ADM5120_DMA_PORTSHIFT;
- cdev = adm5120_port[port];
- if (cdev != dev) { /* The current packet belongs to a different device */
- if ((cdev==NULL) || !netif_running(cdev)) {
- /* discard (update with old skb) */
- skb = skbn = NULL;
- goto rx_skip;
- }
- else {
- netif_rx_schedule(cdev);/* Start polling next device */
- return 1; /* return 1 -> More packets to process */
- }
-
- }
- skb = adm5120_skb_rxl[adm5120_rxli];
- len = (dma->status & ADM5120_DMA_LEN);
- len >>= ADM5120_DMA_LENSHIFT;
- len -= ETH_FCS;
-
- priv = netdev_priv(dev);
- if (len <= 0 || len > ADM5120_DMA_RXSIZE ||
- dma->status & ADM5120_DMA_FCSERR) {
- priv->stats.rx_errors++;
- skbn = NULL;
- } else {
- skbn = dev_alloc_skb(ADM5120_DMA_RXSIZE+16);
- if (skbn) {
- skb_put(skb, len);
- skb->dev = dev;
- skb->protocol = eth_type_trans(skb, dev);
- skb->ip_summed = CHECKSUM_UNNECESSARY;
- dev->last_rx = jiffies;
- priv->stats.rx_packets++;
- priv->stats.rx_bytes += len;
- skb_reserve(skbn, NET_IP_ALIGN);
- adm5120_skb_rxl[adm5120_rxli] = skbn;
- } else {
- printk(KERN_INFO "%s recycling!\n", dev->name);
- }
- }
-rx_skip:
- adm5120_rx_dma_update(&adm5120_dma_rxl[adm5120_rxli],
- adm5120_skb_rxl[adm5120_rxli],
- (ADM5120_DMA_RXL-1==adm5120_rxli));
- if (ADM5120_DMA_RXL == ++adm5120_rxli)
- adm5120_rxli = 0;
- dma = &adm5120_dma_rxl[adm5120_rxli];
- if (skbn){
- netif_receive_skb(skb);
- dev->quota--;
- (*budget)--;
- quota--;
- }
- } /* while */
- /* If there are still packets to process, return 1 */
- if (quota){
- /* No more packets to process, so disable the polling and reenable the interrupts */
- netif_rx_complete(dev);
- adm5120_set_reg(ADM5120_INT_MASK,
- adm5120_get_reg(ADM5120_INT_MASK) &
- ~(ADM5120_INT_RXL|ADM5120_INT_LFULL));
- return 0;
-
-
- }
- return 1;
-}
-
-static irqreturn_t adm5120_sw_irq(int irq, void *dev_id)
-{
- unsigned long intreg, intmask;
- int port;
- struct net_device *dev;
-
- intmask = adm5120_get_reg(ADM5120_INT_MASK); /* Remember interrupt mask */
- adm5120_set_reg(ADM5120_INT_MASK, ADM5120_INTMASKALL); /* Disable interrupts */
-
- intreg = adm5120_get_reg(ADM5120_INT_ST); /* Read interrupt status */
- adm5120_set_reg(ADM5120_INT_ST, intreg); /* Clear interrupt status */
-
- /* In NAPI operation the interrupts are disabled and the polling mechanism
- * is activated. The interrupts are finally enabled again in the polling routine.
- */
- if (intreg & (ADM5120_INT_RXL|ADM5120_INT_LFULL)) {
- /* check rx buffer for port number */
- port = adm5120_dma_rxl[adm5120_rxli].status & ADM5120_DMA_PORTID;
- port >>= ADM5120_DMA_PORTSHIFT;
- dev = adm5120_port[port];
- if ((dev==NULL) || !netif_running(dev)) {
- /* discard (update with old skb) */
- adm5120_rx_dma_update(&adm5120_dma_rxl[adm5120_rxli],
- adm5120_skb_rxl[adm5120_rxli],
- (ADM5120_DMA_RXL-1==adm5120_rxli));
- if (ADM5120_DMA_RXL == ++adm5120_rxli)
- adm5120_rxli = 0;
- }
- else {
- netif_rx_schedule(dev);
- intmask |= (ADM5120_INT_RXL|ADM5120_INT_LFULL); /* Disable RX interrupts */
- }
- }
-#ifdef CONFIG_DEBUG
- if (intreg & ~(intmask))
- printk(KERN_INFO "adm5120sw: IRQ 0x%08X unexpected!\n", (unsigned int)(intreg & ~(intmask)));
-#endif
-
- adm5120_set_reg(ADM5120_INT_MASK, intmask);
-
- return IRQ_HANDLED;
-}
-
-static void adm5120_set_vlan(char *matrix)
-{
- unsigned long val;
- int vlan_port, port;
-
- val = matrix[0] + (matrix[1]<<8) + (matrix[2]<<16) + (matrix[3]<<24);
- adm5120_set_reg(ADM5120_VLAN_GI, val);
- val = matrix[4] + (matrix[5]<<8);
- adm5120_set_reg(ADM5120_VLAN_GII, val);
- /* Now set/update the port vs. device lookup table */
- for (port=0; port<SW_DEVS; port++) {
- for (vlan_port=0; vlan_port<SW_DEVS && !(matrix[vlan_port] & (0x00000001 << port)); vlan_port++);
- if (vlan_port <SW_DEVS)
- adm5120_port[port] = adm5120_devs[vlan_port];
- else
- adm5120_port[port] = NULL;
- }
-}
-
-static void adm5120_set_bw(char *matrix)
-{
- unsigned long val;
-
- /* Port 0 to 3 are set using the bandwidth control 0 register */
- val = matrix[0] + (matrix[1]<<8) + (matrix[2]<<16) + (matrix[3]<<24);
- adm5120_set_reg(ADM5120_BW_CTL0, val);
-
- /* Port 4 and 5 are set using the bandwidth control 1 register */
- val = matrix[4];
- if (matrix[5] == 1)
- adm5120_set_reg(ADM5120_BW_CTL1, val | 0x80000000);
- else
- adm5120_set_reg(ADM5120_BW_CTL1, val & ~0x8000000);
-
- printk(KERN_DEBUG "D: ctl0 0x%lx, ctl1 0x%lx\n",
- adm5120_get_reg(ADM5120_BW_CTL0),
- adm5120_get_reg(ADM5120_BW_CTL1));
-}
-
-static int adm5120_sw_open(struct net_device *dev)
-{
- unsigned long val;
- int i;
-
- netif_start_queue(dev);
- if (!adm5120_if_open++) {
- /* enable interrupts on first open */
- adm5120_set_reg(ADM5120_INT_MASK,
- adm5120_get_reg(ADM5120_INT_MASK) &
- ~(ADM5120_INT_RXL|ADM5120_INT_LFULL));
- }
- /* enable (additional) port */
- val = adm5120_get_reg(ADM5120_PORT_CONF0);
- for (i=0; i<SW_DEVS; i++) {
- if (dev == adm5120_devs[i])
- val &= ~adm5120_eth_vlans[i];
- }
- adm5120_set_reg(ADM5120_PORT_CONF0, val);
- return 0;
-}
-
-static int adm5120_sw_stop(struct net_device *dev)
-{
- unsigned long val;
- int i;
-
- if (!--adm5120_if_open) {
- adm5120_set_reg(ADM5120_INT_MASK, ADM5120_INTMASKALL);
- }
- /* disable port if not assigned to other devices */
- val = adm5120_get_reg(ADM5120_PORT_CONF0) | ADM5120_PORTDISALL;
- for (i=0; i<SW_DEVS; i++) {
- if ((dev != adm5120_devs[i]) && netif_running(adm5120_devs[i]))
- val &= ~adm5120_eth_vlans[i];
- }
- adm5120_set_reg(ADM5120_PORT_CONF0, val);
- netif_stop_queue(dev);
- return 0;
-}
-
-static int adm5120_sw_tx(struct sk_buff *skb, struct net_device *dev)
-{
- struct adm5120_dma *dma;
- struct sk_buff **skbl = adm5120_skb_txl;
- struct adm5120_sw *priv = netdev_priv(dev);
- unsigned long data;
-
- dev->trans_start = jiffies;
- dma = &adm5120_dma_txl[adm5120_txli];
- if (dma->data & ADM5120_DMA_OWN) {
- /* We want to write a packet but the TX queue is still
- * occupied by the DMA. We are faster than the DMA... */
- dev_kfree_skb(skb);
- priv->stats.tx_dropped++;
- return 0;
- }
- data = ADM5120_DMA_ADDR(skb->data) | ADM5120_DMA_OWN;
- if (adm5120_txli == ADM5120_DMA_TXL-1)
- data |= ADM5120_DMA_RINGEND;
- dma->status =
- ((skb->len<ETH_ZLEN?ETH_ZLEN:skb->len) << ADM5120_DMA_LENSHIFT) |
- (0x1 << priv->port);
-
- dma->len = skb->len < ETH_ZLEN ? ETH_ZLEN : skb->len;
- priv->stats.tx_packets++;
- priv->stats.tx_bytes += skb->len;
-
- /* free old skbs here instead of tx completion interrupt:
- * will hold some more memory allocated but reduces interrupts */
- if (skbl[adm5120_txli]){
- dev_kfree_skb(skbl[adm5120_txli]);
- }
- skbl[adm5120_txli] = skb;
-
- dma->data = data; /* Here we enable the buffer for the TX DMA machine */
- adm5120_set_reg(ADM5120_SEND_TRIG, ADM5120_SEND_TRIG_L);
- if (++adm5120_txli == ADM5120_DMA_TXL)
- adm5120_txli = 0;
- return 0;
-}
-
-static void adm5120_tx_timeout(struct net_device *dev)
-{
- printk(KERN_INFO "%s: TX timeout\n",dev->name);
-}
-
-static struct net_device_stats *adm5120_sw_stats(struct net_device *dev)
-{
- struct adm5120_sw *priv = netdev_priv(dev);
- int portmask;
- unsigned long adm5120_cpup_conf_reg;
-
- portmask = adm5120_eth_vlans[priv->port] & 0x3f;
-
- adm5120_cpup_conf_reg = adm5120_get_reg(ADM5120_CPUP_CONF);
-
- if (dev->flags & IFF_PROMISC)
- adm5120_cpup_conf_reg &= ~((portmask << ADM5120_DISUNSHIFT) & ADM5120_DISUNALL);
- else
- adm5120_cpup_conf_reg |= (portmask << ADM5120_DISUNSHIFT);
-
- if (dev->flags & IFF_PROMISC || dev->flags & IFF_ALLMULTI || dev->mc_count)
- adm5120_cpup_conf_reg &= ~((portmask << ADM5120_DISMCSHIFT) & ADM5120_DISMCALL);
- else
- adm5120_cpup_conf_reg |= (portmask << ADM5120_DISMCSHIFT);
-
- /* If there is any port configured to be in promiscuous mode, then the */
- /* Bridge Test Mode has to be activated. This will result in */
- /* transporting also packets learned in another VLAN to be forwarded */
- /* to the CPU. */
- /* The difficult scenario is when we want to build a bridge on the CPU.*/
- /* Assume we have port0 and the CPU port in VLAN0 and port1 and the */
- /* CPU port in VLAN1. Now we build a bridge on the CPU between */
- /* VLAN0 and VLAN1. Both ports of the VLANs are set in promisc mode. */
- /* Now assume a packet with ethernet source address 99 enters port 0 */
- /* It will be forwarded to the CPU because it is unknown. Then the */
- /* bridge in the CPU will send it to VLAN1 and it goes out at port 1. */
- /* When now a packet with ethernet destination address 99 comes in at */
- /* port 1 in VLAN1, then the switch has learned that this address is */
- /* located at port 0 in VLAN0. Therefore the switch will drop */
- /* this packet. In order to avoid this and to send the packet still */
- /* to the CPU, the Bridge Test Mode has to be activated. */
-
- /* Check if there is any vlan in promisc mode. */
- if (~adm5120_cpup_conf_reg & ADM5120_DISUNALL)
- adm5120_cpup_conf_reg |= ADM5120_BTM; /* Set the BTM */
- else
- adm5120_cpup_conf_reg &= ~ADM5120_BTM; /* Disable the BTM */
-
- adm5120_set_reg(ADM5120_CPUP_CONF,adm5120_cpup_conf_reg);
-
- return &((struct adm5120_sw *)netdev_priv(dev))->stats;
-}
-
-static void adm5120_set_multicast_list(struct net_device *dev)
-{
- struct adm5120_sw *priv = netdev_priv(dev);
- int portmask;
-
- portmask = adm5120_eth_vlans[priv->port] & 0x3f;
-
- if (dev->flags & IFF_PROMISC)
- adm5120_set_reg(ADM5120_CPUP_CONF,
- adm5120_get_reg(ADM5120_CPUP_CONF) &
- ~((portmask << ADM5120_DISUNSHIFT) & ADM5120_DISUNALL));
- else
- adm5120_set_reg(ADM5120_CPUP_CONF,
- adm5120_get_reg(ADM5120_CPUP_CONF) |
- (portmask << ADM5120_DISUNSHIFT));
-
- if (dev->flags & IFF_PROMISC || dev->flags & IFF_ALLMULTI ||
- dev->mc_count)
- adm5120_set_reg(ADM5120_CPUP_CONF,
- adm5120_get_reg(ADM5120_CPUP_CONF) &
- ~((portmask << ADM5120_DISMCSHIFT) & ADM5120_DISMCALL));
- else
- adm5120_set_reg(ADM5120_CPUP_CONF,
- adm5120_get_reg(ADM5120_CPUP_CONF) |
- (portmask << ADM5120_DISMCSHIFT));
-}
-
-static void adm5120_write_mac(struct net_device *dev)
-{
- struct adm5120_sw *priv = netdev_priv(dev);
- unsigned char *mac = dev->dev_addr;
-
- adm5120_set_reg(ADM5120_MAC_WT1,
- mac[2] | (mac[3]<<8) | (mac[4]<<16) | (mac[5]<<24));
- adm5120_set_reg(ADM5120_MAC_WT0, (priv->port<<3) |
- (mac[0]<<16) | (mac[1]<<24) | ADM5120_MAC_WRITE | ADM5120_VLAN_EN);
-
- while (!(adm5120_get_reg(ADM5120_MAC_WT0) & ADM5120_MAC_WRITE_DONE));
-}
-
-static int adm5120_sw_set_mac_address(struct net_device *dev, void *p)
-{
- struct sockaddr *addr = p;
-
- memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
- adm5120_write_mac(dev);
- return 0;
-}
-
-static int adm5120_do_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
-{
- int err;
- struct adm5120_sw_info info;
- struct adm5120_sw *priv = netdev_priv(dev);
-
- switch(cmd) {
- case SIOCGADMINFO:
- info.magic = 0x5120;
- info.ports = adm5120_nrdevs;
- info.vlan = priv->port;
- err = copy_to_user(rq->ifr_data, &info, sizeof(info));
- if (err)
- return -EFAULT;
- break;
- case SIOCSMATRIX:
- if (!capable(CAP_NET_ADMIN))
- return -EPERM;
- err = copy_from_user(adm5120_eth_vlans, rq->ifr_data,
- sizeof(adm5120_eth_vlans));
- if (err)
- return -EFAULT;
- adm5120_set_vlan(adm5120_eth_vlans);
- break;
- case SIOCGMATRIX:
- err = copy_to_user(rq->ifr_data, adm5120_eth_vlans,
- sizeof(adm5120_eth_vlans));
- if (err)
- return -EFAULT;
- break;
- case SIOCGETBW:
- err = copy_to_user(rq->ifr_data, bw_matrix, sizeof(bw_matrix));
- if (err)
- return -EFAULT;
- break;
- case SIOCSETBW:
- if (!capable(CAP_NET_ADMIN))
- return -EPERM;
- err = copy_from_user(bw_matrix, rq->ifr_data, sizeof(bw_matrix));
- if (err)
- return -EFAULT;
- adm5120_set_bw(bw_matrix);
- break;
- default:
- return -EOPNOTSUPP;
- }
- return 0;
-}
-
-static void adm5120_dma_tx_init(struct adm5120_dma *dma, struct sk_buff **skbl,
- int num)
-{
- memset(dma, 0, sizeof(struct adm5120_dma)*num);
- dma[num-1].data |= ADM5120_DMA_RINGEND;
- memset(skbl, 0, sizeof(struct skb*)*num);
-}
-
-static void adm5120_dma_rx_init(struct adm5120_dma *dma, struct sk_buff **skbl,
- int num)
-{
- int i;
-
- memset(dma, 0, sizeof(struct adm5120_dma)*num);
- for (i=0; i<num; i++) {
- skbl[i] = dev_alloc_skb(ADM5120_DMA_RXSIZE+16);
- if (!skbl[i]) {
- i=num;
- break;
- }
- skb_reserve(skbl[i], NET_IP_ALIGN);
- adm5120_rx_dma_update(&dma[i], skbl[i], (num-1==i));
- }
-}
-
-static int __init adm5120_sw_init(void)
-{
- int i, err;
- struct net_device *dev;
-
- err = request_irq(ADM5120_IRQ_SWITCH, adm5120_sw_irq, 0, "ethernet switch", NULL);
- if (err)
- goto out;
-
- adm5120_nrdevs = adm5120_eth_num_ports;
-
- adm5120_set_reg(ADM5120_CPUP_CONF,
- ADM5120_DISCCPUPORT | ADM5120_CRC_PADDING |
- ADM5120_DISUNALL | ADM5120_DISMCALL);
- adm5120_set_reg(ADM5120_PORT_CONF0, ADM5120_ENMC | ADM5120_ENBP | ADM5120_PORTDISALL);
-
- adm5120_set_reg(ADM5120_PHY_CNTL2, adm5120_get_reg(ADM5120_PHY_CNTL2) |
- ADM5120_AUTONEG | ADM5120_NORMAL | ADM5120_AUTOMDIX);
- adm5120_set_reg(ADM5120_PHY_CNTL3, adm5120_get_reg(ADM5120_PHY_CNTL3) |
- ADM5120_PHY_NTH);
-
- /* Force all the packets from all ports are low priority */
- adm5120_set_reg(ADM5120_PRI_CNTL, 0);
-
- adm5120_set_reg(ADM5120_INT_MASK, ADM5120_INTMASKALL);
- adm5120_set_reg(ADM5120_INT_ST, ADM5120_INTMASKALL);
-
- adm5120_dma_txh = (void *)KSEG1ADDR((u32)adm5120_dma_txh_v);
- adm5120_dma_txl = (void *)KSEG1ADDR((u32)adm5120_dma_txl_v);
- adm5120_dma_rxh = (void *)KSEG1ADDR((u32)adm5120_dma_rxh_v);
- adm5120_dma_rxl = (void *)KSEG1ADDR((u32)adm5120_dma_rxl_v);
-
- adm5120_dma_tx_init(adm5120_dma_txh, adm5120_skb_txh, ADM5120_DMA_TXH);
- adm5120_dma_tx_init(adm5120_dma_txl, adm5120_skb_txl, ADM5120_DMA_TXL);
- adm5120_dma_rx_init(adm5120_dma_rxh, adm5120_skb_rxh, ADM5120_DMA_RXH);
- adm5120_dma_rx_init(adm5120_dma_rxl, adm5120_skb_rxl, ADM5120_DMA_RXL);
- adm5120_set_reg(ADM5120_SEND_HBADDR, KSEG1ADDR(adm5120_dma_txh));
- adm5120_set_reg(ADM5120_SEND_LBADDR, KSEG1ADDR(adm5120_dma_txl));
- adm5120_set_reg(ADM5120_RECEIVE_HBADDR, KSEG1ADDR(adm5120_dma_rxh));
- adm5120_set_reg(ADM5120_RECEIVE_LBADDR, KSEG1ADDR(adm5120_dma_rxl));
-
- for (i = 0; i < SW_DEVS; i++) {
- adm5120_devs[i] = alloc_etherdev(sizeof(struct adm5120_sw));
- if (!adm5120_devs[i]) {
- err = -ENOMEM;
- goto out_int;
- }
-
- dev = adm5120_devs[i];
- SET_MODULE_OWNER(dev);
- memset(netdev_priv(dev), 0, sizeof(struct adm5120_sw));
- ((struct adm5120_sw*)netdev_priv(dev))->port = i;
- dev->base_addr = SW_BASE;
- dev->irq = ADM5120_IRQ_SWITCH;
- dev->open = adm5120_sw_open;
- dev->hard_start_xmit = adm5120_sw_tx;
- dev->stop = adm5120_sw_stop;
- dev->get_stats = adm5120_sw_stats;
- dev->set_multicast_list = adm5120_set_multicast_list;
- dev->do_ioctl = adm5120_do_ioctl;
- dev->tx_timeout = adm5120_tx_timeout;
- dev->watchdog_timeo = ETH_TX_TIMEOUT;
- dev->set_mac_address = adm5120_sw_set_mac_address;
- dev->poll = adm5120_rx;
- dev->weight = 64;
-
- memcpy(dev->dev_addr, adm5120_eth_macs[i], 6);
- adm5120_write_mac(dev);
-
- if ((err = register_netdev(dev))) {
- free_netdev(dev);
- goto out_int;
- }
- printk(KERN_INFO "%s: ADM5120 switch port%d\n", dev->name, i);
- }
- /* setup vlan/port mapping after devs are filled up */
- adm5120_set_vlan(adm5120_eth_vlans);
-
- adm5120_set_reg(ADM5120_CPUP_CONF,
- ADM5120_CRC_PADDING | ADM5120_DISUNALL | ADM5120_DISMCALL);
-
- return 0;
-
-out_int:
- /* Undo everything that did succeed */
- for (; i; i--) {
- unregister_netdev(adm5120_devs[i-1]);
- free_netdev(adm5120_devs[i-1]);
- }
- free_irq(ADM5120_IRQ_SWITCH, NULL);
-out:
- printk(KERN_ERR "ADM5120 Ethernet switch init failed\n");
- return err;
-}
-
-static void __exit adm5120_sw_exit(void)
-{
- int i;
-
- for (i = 0; i < SW_DEVS; i++) {
- unregister_netdev(adm5120_devs[i]);
- free_netdev(adm5120_devs[i]);
- }
-
- free_irq(ADM5120_IRQ_SWITCH, NULL);
-
- for (i = 0; i < ADM5120_DMA_RXH; i++) {
- if (!adm5120_skb_rxh[i])
- break;
- kfree_skb(adm5120_skb_rxh[i]);
- }
- for (i = 0; i < ADM5120_DMA_RXL; i++) {
- if (!adm5120_skb_rxl[i])
- break;
- kfree_skb(adm5120_skb_rxl[i]);
- }
-}
-
-module_init(adm5120_sw_init);
-module_exit(adm5120_sw_exit);
projects / openwrt.git / blobdiff