net: introduce transparent driver private in ueth_data

Avoid clutter in ueth_data. Individual drivers should not mess
with structures belonging to the core like this.

Signed-off-by: Lucas Stach <dev@lynxeye.de>
Reviewed-by: Marek Vasut <marex@denx.de>
Acked-by: Marek Vasut <marex@denx.de>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>
This commit is contained in:
Lucas Stach 2012-08-22 11:04:57 +00:00 committed by Joe Hershberger
parent 8a0eccb105
commit e1dbdf9109
2 changed files with 37 additions and 20 deletions

View file

@ -25,6 +25,7 @@
#include <usb.h> #include <usb.h>
#include <linux/mii.h> #include <linux/mii.h>
#include "usb_ether.h" #include "usb_ether.h"
#include <malloc.h>
/* SMSC LAN95xx based USB 2.0 Ethernet Devices */ /* SMSC LAN95xx based USB 2.0 Ethernet Devices */
@ -146,6 +147,12 @@
/* local vars */ /* local vars */
static int curr_eth_dev; /* index for name of next device detected */ static int curr_eth_dev; /* index for name of next device detected */
/* driver private */
struct smsc95xx_private {
size_t rx_urb_size; /* maximum USB URB size */
u32 mac_cr; /* MAC control register value */
int have_hwaddr; /* 1 if we have a hardware MAC address */
};
/* /*
* Smsc95xx infrastructure commands * Smsc95xx infrastructure commands
@ -377,6 +384,7 @@ static int smsc95xx_init_mac_address(struct eth_device *eth,
static int smsc95xx_write_hwaddr(struct eth_device *eth) static int smsc95xx_write_hwaddr(struct eth_device *eth)
{ {
struct ueth_data *dev = (struct ueth_data *)eth->priv; struct ueth_data *dev = (struct ueth_data *)eth->priv;
struct smsc95xx_private *priv = dev->dev_priv;
u32 addr_lo = __get_unaligned_le32(&eth->enetaddr[0]); u32 addr_lo = __get_unaligned_le32(&eth->enetaddr[0]);
u32 addr_hi = __get_unaligned_le16(&eth->enetaddr[4]); u32 addr_hi = __get_unaligned_le16(&eth->enetaddr[4]);
int ret; int ret;
@ -392,7 +400,7 @@ static int smsc95xx_write_hwaddr(struct eth_device *eth)
return ret; return ret;
debug("MAC %pM\n", eth->enetaddr); debug("MAC %pM\n", eth->enetaddr);
dev->have_hwaddr = 1; priv->have_hwaddr = 1;
return 0; return 0;
} }
@ -425,19 +433,22 @@ static int smsc95xx_set_csums(struct ueth_data *dev,
static void smsc95xx_set_multicast(struct ueth_data *dev) static void smsc95xx_set_multicast(struct ueth_data *dev)
{ {
struct smsc95xx_private *priv = dev->dev_priv;
/* No multicast in u-boot */ /* No multicast in u-boot */
dev->mac_cr &= ~(MAC_CR_PRMS_ | MAC_CR_MCPAS_ | MAC_CR_HPFILT_); priv->mac_cr &= ~(MAC_CR_PRMS_ | MAC_CR_MCPAS_ | MAC_CR_HPFILT_);
} }
/* starts the TX path */ /* starts the TX path */
static void smsc95xx_start_tx_path(struct ueth_data *dev) static void smsc95xx_start_tx_path(struct ueth_data *dev)
{ {
struct smsc95xx_private *priv = dev->dev_priv;
u32 reg_val; u32 reg_val;
/* Enable Tx at MAC */ /* Enable Tx at MAC */
dev->mac_cr |= MAC_CR_TXEN_; priv->mac_cr |= MAC_CR_TXEN_;
smsc95xx_write_reg(dev, MAC_CR, dev->mac_cr); smsc95xx_write_reg(dev, MAC_CR, priv->mac_cr);
/* Enable Tx at SCSRs */ /* Enable Tx at SCSRs */
reg_val = TX_CFG_ON_; reg_val = TX_CFG_ON_;
@ -447,8 +458,10 @@ static void smsc95xx_start_tx_path(struct ueth_data *dev)
/* Starts the Receive path */ /* Starts the Receive path */
static void smsc95xx_start_rx_path(struct ueth_data *dev) static void smsc95xx_start_rx_path(struct ueth_data *dev)
{ {
dev->mac_cr |= MAC_CR_RXEN_; struct smsc95xx_private *priv = dev->dev_priv;
smsc95xx_write_reg(dev, MAC_CR, dev->mac_cr);
priv->mac_cr |= MAC_CR_RXEN_;
smsc95xx_write_reg(dev, MAC_CR, priv->mac_cr);
} }
/* /*
@ -462,6 +475,8 @@ static int smsc95xx_init(struct eth_device *eth, bd_t *bd)
u32 burst_cap; u32 burst_cap;
int timeout; int timeout;
struct ueth_data *dev = (struct ueth_data *)eth->priv; struct ueth_data *dev = (struct ueth_data *)eth->priv;
struct smsc95xx_private *priv =
(struct smsc95xx_private *)dev->dev_priv;
#define TIMEOUT_RESOLUTION 50 /* ms */ #define TIMEOUT_RESOLUTION 50 /* ms */
int link_detected; int link_detected;
@ -504,9 +519,9 @@ static int smsc95xx_init(struct eth_device *eth, bd_t *bd)
debug("timeout waiting for PHY Reset\n"); debug("timeout waiting for PHY Reset\n");
return -1; return -1;
} }
if (!dev->have_hwaddr && smsc95xx_init_mac_address(eth, dev) == 0) if (!priv->have_hwaddr && smsc95xx_init_mac_address(eth, dev) == 0)
dev->have_hwaddr = 1; priv->have_hwaddr = 1;
if (!dev->have_hwaddr) { if (!priv->have_hwaddr) {
puts("Error: SMSC95xx: No MAC address set - set usbethaddr\n"); puts("Error: SMSC95xx: No MAC address set - set usbethaddr\n");
return -1; return -1;
} }
@ -532,16 +547,16 @@ static int smsc95xx_init(struct eth_device *eth, bd_t *bd)
#ifdef TURBO_MODE #ifdef TURBO_MODE
if (dev->pusb_dev->speed == USB_SPEED_HIGH) { if (dev->pusb_dev->speed == USB_SPEED_HIGH) {
burst_cap = DEFAULT_HS_BURST_CAP_SIZE / HS_USB_PKT_SIZE; burst_cap = DEFAULT_HS_BURST_CAP_SIZE / HS_USB_PKT_SIZE;
dev->rx_urb_size = DEFAULT_HS_BURST_CAP_SIZE; priv->rx_urb_size = DEFAULT_HS_BURST_CAP_SIZE;
} else { } else {
burst_cap = DEFAULT_FS_BURST_CAP_SIZE / FS_USB_PKT_SIZE; burst_cap = DEFAULT_FS_BURST_CAP_SIZE / FS_USB_PKT_SIZE;
dev->rx_urb_size = DEFAULT_FS_BURST_CAP_SIZE; priv->rx_urb_size = DEFAULT_FS_BURST_CAP_SIZE;
} }
#else #else
burst_cap = 0; burst_cap = 0;
dev->rx_urb_size = MAX_SINGLE_PACKET_SIZE; priv->rx_urb_size = MAX_SINGLE_PACKET_SIZE;
#endif #endif
debug("rx_urb_size=%ld\n", (ulong)dev->rx_urb_size); debug("rx_urb_size=%ld\n", (ulong)priv->rx_urb_size);
ret = smsc95xx_write_reg(dev, BURST_CAP, burst_cap); ret = smsc95xx_write_reg(dev, BURST_CAP, burst_cap);
if (ret < 0) if (ret < 0)
@ -606,7 +621,7 @@ static int smsc95xx_init(struct eth_device *eth, bd_t *bd)
if (ret < 0) if (ret < 0)
return ret; return ret;
ret = smsc95xx_read_reg(dev, MAC_CR, &dev->mac_cr); ret = smsc95xx_read_reg(dev, MAC_CR, &priv->mac_cr);
if (ret < 0) if (ret < 0)
return ret; return ret;
@ -857,6 +872,12 @@ int smsc95xx_eth_probe(struct usb_device *dev, unsigned int ifnum,
return 0; return 0;
} }
dev->privptr = (void *)ss; dev->privptr = (void *)ss;
/* alloc driver private */
ss->dev_priv = calloc(1, sizeof(struct smsc95xx_private));
if (!ss->dev_priv)
return 0;
return 1; return 1;
} }

View file

@ -50,12 +50,8 @@ struct ueth_data {
unsigned char protocol; /* .............. */ unsigned char protocol; /* .............. */
unsigned char irqinterval; /* Intervall for IRQ Pipe */ unsigned char irqinterval; /* Intervall for IRQ Pipe */
/* private fields for each driver can go here if needed */ /* driver private */
#ifdef CONFIG_USB_ETHER_SMSC95XX void *dev_priv;
size_t rx_urb_size; /* maximum USB URB size */
u32 mac_cr; /* MAC control register value */
int have_hwaddr; /* 1 if we have a hardware MAC address */
#endif
}; };
/* /*