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path: root/drivers/net/mv643xx_eth.c
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Diffstat (limited to 'drivers/net/mv643xx_eth.c')
-rw-r--r--drivers/net/mv643xx_eth.c149
1 files changed, 67 insertions, 82 deletions
diff --git a/drivers/net/mv643xx_eth.c b/drivers/net/mv643xx_eth.c
index d98e53efa2ef..1799eee88db7 100644
--- a/drivers/net/mv643xx_eth.c
+++ b/drivers/net/mv643xx_eth.c
@@ -51,8 +51,8 @@
#include "mv643xx_eth.h"
/* Static function declarations */
-static void eth_port_uc_addr_get(struct net_device *dev,
- unsigned char *MacAddr);
+static void eth_port_uc_addr_get(unsigned int port_num, unsigned char *p_addr);
+static void eth_port_uc_addr_set(unsigned int port_num, unsigned char *p_addr);
static void eth_port_set_multicast_list(struct net_device *);
static void mv643xx_eth_port_enable_tx(unsigned int port_num,
unsigned int queues);
@@ -147,13 +147,13 @@ static void mv643xx_eth_rx_refill_descs(struct net_device *dev)
int unaligned;
while (mp->rx_desc_count < mp->rx_ring_size) {
- skb = dev_alloc_skb(ETH_RX_SKB_SIZE + ETH_DMA_ALIGN);
+ skb = dev_alloc_skb(ETH_RX_SKB_SIZE + dma_get_cache_alignment());
if (!skb)
break;
mp->rx_desc_count++;
- unaligned = (u32)skb->data & (ETH_DMA_ALIGN - 1);
+ unaligned = (u32)skb->data & (dma_get_cache_alignment() - 1);
if (unaligned)
- skb_reserve(skb, ETH_DMA_ALIGN - unaligned);
+ skb_reserve(skb, dma_get_cache_alignment() - unaligned);
pkt_info.cmd_sts = ETH_RX_ENABLE_INTERRUPT;
pkt_info.byte_cnt = ETH_RX_SKB_SIZE;
pkt_info.buf_ptr = dma_map_single(NULL, skb->data,
@@ -434,7 +434,6 @@ static int mv643xx_eth_receive_queue(struct net_device *dev, int budget)
* received packet
*/
skb_put(skb, pkt_info.byte_cnt - 4);
- skb->dev = dev;
if (pkt_info.cmd_sts & ETH_LAYER_4_CHECKSUM_OK) {
skb->ip_summed = CHECKSUM_UNNECESSARY;
@@ -787,6 +786,12 @@ static int mv643xx_eth_open(struct net_device *dev)
unsigned int size;
int err;
+ /* Clear any pending ethernet port interrupts */
+ mv_write(MV643XX_ETH_INTERRUPT_CAUSE_REG(port_num), 0);
+ mv_write(MV643XX_ETH_INTERRUPT_CAUSE_EXTEND_REG(port_num), 0);
+ /* wait for previous write to complete */
+ mv_read (MV643XX_ETH_INTERRUPT_CAUSE_EXTEND_REG(port_num));
+
err = request_irq(dev->irq, mv643xx_eth_int_handler,
IRQF_SHARED | IRQF_SAMPLE_RANDOM, dev->name, dev);
if (err) {
@@ -875,10 +880,6 @@ static int mv643xx_eth_open(struct net_device *dev)
mv643xx_eth_rx_refill_descs(dev); /* Fill RX ring with skb's */
- /* Clear any pending ethernet port interrupts */
- mv_write(MV643XX_ETH_INTERRUPT_CAUSE_REG(port_num), 0);
- mv_write(MV643XX_ETH_INTERRUPT_CAUSE_EXTEND_REG(port_num), 0);
-
eth_port_start(dev);
/* Interrupt Coalescing */
@@ -1160,15 +1161,15 @@ static void eth_tx_submit_descs_for_skb(struct mv643xx_private *mp,
cmd_sts |= ETH_GEN_TCP_UDP_CHECKSUM |
ETH_GEN_IP_V_4_CHECKSUM |
- skb->nh.iph->ihl << ETH_TX_IHL_SHIFT;
+ ip_hdr(skb)->ihl << ETH_TX_IHL_SHIFT;
- switch (skb->nh.iph->protocol) {
+ switch (ip_hdr(skb)->protocol) {
case IPPROTO_UDP:
cmd_sts |= ETH_UDP_FRAME;
- desc->l4i_chk = skb->h.uh->check;
+ desc->l4i_chk = udp_hdr(skb)->check;
break;
case IPPROTO_TCP:
- desc->l4i_chk = skb->h.th->check;
+ desc->l4i_chk = tcp_hdr(skb)->check;
break;
default:
BUG();
@@ -1309,7 +1310,7 @@ static void mv643xx_init_ethtool_cmd(struct net_device *dev, int phy_address,
static int mv643xx_eth_probe(struct platform_device *pdev)
{
struct mv643xx_eth_platform_data *pd;
- int port_num = pdev->id;
+ int port_num;
struct mv643xx_private *mp;
struct net_device *dev;
u8 *p;
@@ -1319,6 +1320,12 @@ static int mv643xx_eth_probe(struct platform_device *pdev)
int duplex = DUPLEX_HALF;
int speed = 0; /* default to auto-negotiation */
+ pd = pdev->dev.platform_data;
+ if (pd == NULL) {
+ printk(KERN_ERR "No mv643xx_eth_platform_data\n");
+ return -ENODEV;
+ }
+
dev = alloc_etherdev(sizeof(struct mv643xx_private));
if (!dev)
return -ENOMEM;
@@ -1331,8 +1338,6 @@ static int mv643xx_eth_probe(struct platform_device *pdev)
BUG_ON(!res);
dev->irq = res->start;
- mp->port_num = port_num;
-
dev->open = mv643xx_eth_open;
dev->stop = mv643xx_eth_stop;
dev->hard_start_xmit = mv643xx_eth_start_xmit;
@@ -1373,39 +1378,38 @@ static int mv643xx_eth_probe(struct platform_device *pdev)
spin_lock_init(&mp->lock);
+ port_num = mp->port_num = pd->port_number;
+
/* set default config values */
- eth_port_uc_addr_get(dev, dev->dev_addr);
+ eth_port_uc_addr_get(port_num, dev->dev_addr);
mp->rx_ring_size = MV643XX_ETH_PORT_DEFAULT_RECEIVE_QUEUE_SIZE;
mp->tx_ring_size = MV643XX_ETH_PORT_DEFAULT_TRANSMIT_QUEUE_SIZE;
- pd = pdev->dev.platform_data;
- if (pd) {
- if (pd->mac_addr)
- memcpy(dev->dev_addr, pd->mac_addr, 6);
-
- if (pd->phy_addr || pd->force_phy_addr)
- ethernet_phy_set(port_num, pd->phy_addr);
+ if (is_valid_ether_addr(pd->mac_addr))
+ memcpy(dev->dev_addr, pd->mac_addr, 6);
- if (pd->rx_queue_size)
- mp->rx_ring_size = pd->rx_queue_size;
+ if (pd->phy_addr || pd->force_phy_addr)
+ ethernet_phy_set(port_num, pd->phy_addr);
- if (pd->tx_queue_size)
- mp->tx_ring_size = pd->tx_queue_size;
+ if (pd->rx_queue_size)
+ mp->rx_ring_size = pd->rx_queue_size;
- if (pd->tx_sram_size) {
- mp->tx_sram_size = pd->tx_sram_size;
- mp->tx_sram_addr = pd->tx_sram_addr;
- }
+ if (pd->tx_queue_size)
+ mp->tx_ring_size = pd->tx_queue_size;
- if (pd->rx_sram_size) {
- mp->rx_sram_size = pd->rx_sram_size;
- mp->rx_sram_addr = pd->rx_sram_addr;
- }
+ if (pd->tx_sram_size) {
+ mp->tx_sram_size = pd->tx_sram_size;
+ mp->tx_sram_addr = pd->tx_sram_addr;
+ }
- duplex = pd->duplex;
- speed = pd->speed;
+ if (pd->rx_sram_size) {
+ mp->rx_sram_size = pd->rx_sram_size;
+ mp->rx_sram_addr = pd->rx_sram_addr;
}
+ duplex = pd->duplex;
+ speed = pd->speed;
+
/* Hook up MII support for ethtool */
mp->mii.dev = dev;
mp->mii.mdio_read = mv643xx_mdio_read;
@@ -1509,9 +1513,23 @@ static int mv643xx_eth_shared_remove(struct platform_device *pdev)
return 0;
}
+static void mv643xx_eth_shutdown(struct platform_device *pdev)
+{
+ struct net_device *dev = platform_get_drvdata(pdev);
+ struct mv643xx_private *mp = netdev_priv(dev);
+ unsigned int port_num = mp->port_num;
+
+ /* Mask all interrupts on ethernet port */
+ mv_write(MV643XX_ETH_INTERRUPT_MASK_REG(port_num), 0);
+ mv_read (MV643XX_ETH_INTERRUPT_MASK_REG(port_num));
+
+ eth_port_reset(port_num);
+}
+
static struct platform_driver mv643xx_eth_driver = {
.probe = mv643xx_eth_probe,
.remove = mv643xx_eth_remove,
+ .shutdown = mv643xx_eth_shutdown,
.driver = {
.name = MV643XX_ETH_NAME,
},
@@ -1821,26 +1839,9 @@ static void eth_port_start(struct net_device *dev)
}
/*
- * eth_port_uc_addr_set - This function Set the port Unicast address.
- *
- * DESCRIPTION:
- * This function Set the port Ethernet MAC address.
- *
- * INPUT:
- * unsigned int eth_port_num Port number.
- * char * p_addr Address to be set
- *
- * OUTPUT:
- * Set MAC address low and high registers. also calls
- * eth_port_set_filter_table_entry() to set the unicast
- * table with the proper information.
- *
- * RETURN:
- * N/A.
- *
+ * eth_port_uc_addr_set - Write a MAC address into the port's hw registers
*/
-static void eth_port_uc_addr_set(unsigned int eth_port_num,
- unsigned char *p_addr)
+static void eth_port_uc_addr_set(unsigned int port_num, unsigned char *p_addr)
{
unsigned int mac_h;
unsigned int mac_l;
@@ -1850,40 +1851,24 @@ static void eth_port_uc_addr_set(unsigned int eth_port_num,
mac_h = (p_addr[0] << 24) | (p_addr[1] << 16) | (p_addr[2] << 8) |
(p_addr[3] << 0);
- mv_write(MV643XX_ETH_MAC_ADDR_LOW(eth_port_num), mac_l);
- mv_write(MV643XX_ETH_MAC_ADDR_HIGH(eth_port_num), mac_h);
+ mv_write(MV643XX_ETH_MAC_ADDR_LOW(port_num), mac_l);
+ mv_write(MV643XX_ETH_MAC_ADDR_HIGH(port_num), mac_h);
- /* Accept frames of this address */
- table = MV643XX_ETH_DA_FILTER_UNICAST_TABLE_BASE(eth_port_num);
+ /* Accept frames with this address */
+ table = MV643XX_ETH_DA_FILTER_UNICAST_TABLE_BASE(port_num);
eth_port_set_filter_table_entry(table, p_addr[5] & 0x0f);
}
/*
- * eth_port_uc_addr_get - This function retrieves the port Unicast address
- * (MAC address) from the ethernet hw registers.
- *
- * DESCRIPTION:
- * This function retrieves the port Ethernet MAC address.
- *
- * INPUT:
- * unsigned int eth_port_num Port number.
- * char *MacAddr pointer where the MAC address is stored
- *
- * OUTPUT:
- * Copy the MAC address to the location pointed to by MacAddr
- *
- * RETURN:
- * N/A.
- *
+ * eth_port_uc_addr_get - Read the MAC address from the port's hw registers
*/
-static void eth_port_uc_addr_get(struct net_device *dev, unsigned char *p_addr)
+static void eth_port_uc_addr_get(unsigned int port_num, unsigned char *p_addr)
{
- struct mv643xx_private *mp = netdev_priv(dev);
unsigned int mac_h;
unsigned int mac_l;
- mac_h = mv_read(MV643XX_ETH_MAC_ADDR_HIGH(mp->port_num));
- mac_l = mv_read(MV643XX_ETH_MAC_ADDR_LOW(mp->port_num));
+ mac_h = mv_read(MV643XX_ETH_MAC_ADDR_HIGH(port_num));
+ mac_l = mv_read(MV643XX_ETH_MAC_ADDR_LOW(port_num));
p_addr[0] = (mac_h >> 24) & 0xff;
p_addr[1] = (mac_h >> 16) & 0xff;
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.