diff options
Diffstat (limited to 'target/linux/lantiq/files-3.3/drivers/net/ethernet/svip_virtual_eth.c')
| -rw-r--r-- | target/linux/lantiq/files-3.3/drivers/net/ethernet/svip_virtual_eth.c | 346 |
1 files changed, 0 insertions, 346 deletions
diff --git a/target/linux/lantiq/files-3.3/drivers/net/ethernet/svip_virtual_eth.c b/target/linux/lantiq/files-3.3/drivers/net/ethernet/svip_virtual_eth.c deleted file mode 100644 index 6de0cfa..0000000 --- a/target/linux/lantiq/files-3.3/drivers/net/ethernet/svip_virtual_eth.c +++ /dev/null @@ -1,346 +0,0 @@ -/****************************************************************************** - - Copyright (c) 2007 - Infineon Technologies AG - Am Campeon 1-12; 81726 Munich, Germany - - THE DELIVERY OF THIS SOFTWARE AS WELL AS THE HEREBY GRANTED NON-EXCLUSIVE, - WORLDWIDE LICENSE TO USE, COPY, MODIFY, DISTRIBUTE AND SUBLICENSE THIS - SOFTWARE IS FREE OF CHARGE. - - THE LICENSED SOFTWARE IS PROVIDED "AS IS" AND INFINEON EXPRESSLY DISCLAIMS - ALL REPRESENTATIONS AND WARRANTIES, WHETHER EXPRESS OR IMPLIED, INCLUDING - WITHOUT LIMITATION, WARRANTIES OR REPRESENTATIONS OF WORKMANSHIP, - MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, DURABILITY, THAT THE - OPERATING OF THE LICENSED SOFTWARE WILL BE ERROR FREE OR FREE OF ANY THIRD - PARTY CLAIMS, INCLUDING WITHOUT LIMITATION CLAIMS OF THIRD PARTY INTELLECTUAL - PROPERTY INFRINGEMENT. - - EXCEPT FOR ANY LIABILITY DUE TO WILFUL ACTS OR GROSS NEGLIGENCE AND EXCEPT - FOR ANY PERSONAL INJURY INFINEON SHALL IN NO EVENT BE LIABLE FOR ANY CLAIM - OR DAMAGES OF ANY KIND, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, - ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - DEALINGS IN THE SOFTWARE. - - **************************************************************************** -Module : svip_virtual_eth.c - -Description : This file contains network driver implementation for a -Virtual Ethernet interface. The Virtual Ethernet interface -is part of Infineon's VINETIC-SVIP Linux BSP. - *******************************************************************************/ -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/netdevice.h> -#include <linux/platform_device.h> -#include <linux/etherdevice.h> -#include <linux/init.h> - -#define SVIP_VETH_VER_STR "3.0" -#define SVIP_VETH_INFO_STR \ - "@(#)SVIP virtual ethernet interface, version " SVIP_VETH_VER_STR - -/****************************************************************************** - * Local define/macro definitions - ******************************************************************************/ -struct svip_ve_priv -{ - struct net_device_stats stats; -}; - -/****************************************************************************** - * Global function declarations - ******************************************************************************/ -int svip_ve_rx(struct sk_buff *skb); - -/****************************************************************************** - * Local variable declarations - ******************************************************************************/ -static struct net_device *svip_ve_dev; -static int watchdog_timeout = 10*HZ; -static int (*svip_ve_mps_xmit)(struct sk_buff *skb) = NULL; - - -/****************************************************************************** - * Global function declarations - ******************************************************************************/ - -/** - * Called by MPS driver to register a transmit routine called for each outgoing - * VoFW0 message. - * - * \param mps_xmit pointer to transmit routine - * - * \return none - * - * \ingroup Internal - */ -void register_mps_xmit_routine(int (*mps_xmit)(struct sk_buff *skb)) -{ - svip_ve_mps_xmit = mps_xmit; -} -EXPORT_SYMBOL(register_mps_xmit_routine); - -/** - * Returns a pointer to the routine used to deliver an incoming packet/message - * from the MPS mailbox to the networking layer. This routine is called by MPS - * driver during initialisation time. - * - * \param skb pointer to incoming socket buffer - * - * \return svip_ve_rx pointer to incoming messages delivering routine - * - * \ingroup Internal - */ -int (*register_mps_recv_routine(void)) (struct sk_buff *skb) -{ - return svip_ve_rx; -} - -/** - * Used to deliver outgoing packets to VoFW0 module through the MPS driver. - * Upon loading/initialisation the MPS driver is registering a transmitting - * routine, which is called here to deliver the packet to the VoFW0 module. - * - * \param skb pointer to skb containing outgoing data - * \param dev pointer to this networking device's data - * - * \return 0 on success - * \return non-zero on error - * - * \ingroup Internal - */ -static int svip_ve_xmit(struct sk_buff *skb, struct net_device *dev) -{ - int err; - struct svip_ve_priv *priv = netdev_priv(dev); - struct net_device_stats *stats = &priv->stats; - - stats->tx_packets++; - stats->tx_bytes += skb->len; - - if (svip_ve_mps_xmit) - { - err = svip_ve_mps_xmit(skb); - if (err) - stats->tx_errors++; - dev->trans_start = jiffies; - return err; - } - else - printk(KERN_ERR "%s: MPS driver not registered, outgoing packet not delivered\n", dev->name); - - dev_kfree_skb(skb); - - return -1; -} - -/** - * Called by MPS driver upon receipt of a new message from VoFW0 module in - * the data inbox. The packet is pushed up the IP module for further processing. - * - * \param skb pointer to skb containing the incoming message - * - * \return 0 on success - * \return non-zero on error - * - * \ingroup Internal - */ -int svip_ve_rx(struct sk_buff *skb) -{ - int err; - struct svip_ve_priv *priv = netdev_priv(svip_ve_dev); - struct net_device_stats *stats = &priv->stats; - - skb->dev = svip_ve_dev; - skb->protocol = eth_type_trans(skb, svip_ve_dev); - - stats->rx_packets++; - stats->rx_bytes += skb->len; - - err = netif_rx(skb); - switch (err) - { - case NET_RX_SUCCESS: - return 0; - break; - case NET_RX_DROP: - default: - stats->rx_dropped++; - break; - } - - return 1; -} -EXPORT_SYMBOL(svip_ve_rx); - -/** - * Returns a pointer to the device's networking statistics data - * - * \param dev pointer to this networking device's data - * - * \return stats pointer to this network device's statistics data - * - * \ingroup Internal - */ -static struct net_device_stats *svip_ve_get_stats(struct net_device *dev) -{ - struct svip_ve_priv *priv = netdev_priv(dev); - - return &priv->stats; -} - -static void svip_ve_tx_timeout(struct net_device *dev) -{ - struct svip_ve_priv *priv = netdev_priv(dev); - - priv->stats.tx_errors++; - netif_wake_queue(dev); -} - -/** - * Device open routine. Called e.g. upon setting of an IP address using, - * 'ifconfig veth0 YYY.YYY.YYY.YYY netmask ZZZ.ZZZ.ZZZ.ZZZ' or - * 'ifconfig veth0 up' - * - * \param dev pointer to this network device's data - * - * \return 0 on success - * \return non-zero on error - * - * \ingroup Internal - */ -int svip_ve_open(struct net_device *dev) -{ - netif_start_queue(dev); - return 0; -} - -/** - * Device close routine. Called e.g. upon calling - * 'ifconfig veth0 down' - * - * \param dev pointer to this network device's data - * - * \return 0 on success - * \return non-zero on error - * - * \ingroup Internal - */ - -int svip_ve_release(struct net_device *dev) -{ - netif_stop_queue(dev); - return 0; -} - -static int svip_ve_dev_init(struct net_device *dev); - -static const struct net_device_ops svip_virtual_eth_netdev_ops = { - .ndo_init = svip_ve_dev_init, - .ndo_open = svip_ve_open, - .ndo_stop = svip_ve_release, - .ndo_start_xmit = svip_ve_xmit, - .ndo_get_stats = svip_ve_get_stats, - .ndo_tx_timeout = svip_ve_tx_timeout, -}; - - -/** - * Device initialisation routine which registers device interface routines. - * It is called upon execution of 'register_netdev' routine. - * - * \param dev pointer to this network device's data - * - * \return 0 on success - * \return non-zero on error - * - * \ingroup Internal - */ -static int svip_ve_dev_init(struct net_device *dev) -{ - ether_setup(dev); /* assign some of the fields */ - - dev->watchdog_timeo = watchdog_timeout; - memset(netdev_priv(dev), 0, sizeof(struct svip_ve_priv)); - dev->flags |= IFF_NOARP|IFF_PROMISC; - dev->flags &= ~IFF_MULTICAST; - - /* dedicated MAC address to veth0, 00:03:19:00:15:80 */ - dev->dev_addr[0] = 0x00; - dev->dev_addr[1] = 0x03; - dev->dev_addr[2] = 0x19; - dev->dev_addr[3] = 0x00; - dev->dev_addr[4] = 0x15; - dev->dev_addr[5] = 0x80; - - return 0; -} - -static int svip_ve_probe(struct platform_device *dev) -{ - int result = 0; - - svip_ve_dev = alloc_etherdev(sizeof(struct svip_ve_priv)); - svip_ve_dev->netdev_ops = &svip_virtual_eth_netdev_ops; - - strcpy(svip_ve_dev->name, "veth%d"); - - result = register_netdev(svip_ve_dev); - if (result) - { - printk(KERN_INFO "error %i registering device \"%s\"\n", result, svip_ve_dev->name); - goto out; - } - - printk (KERN_INFO "%s, (c) 2009, Lantiq Deutschland GmbH\n", &SVIP_VETH_INFO_STR[4]); - -out: - return result; -} - -static int svip_ve_remove(struct platform_device *dev) -{ - unregister_netdev(svip_ve_dev); - free_netdev(svip_ve_dev); - - printk(KERN_INFO "%s removed\n", svip_ve_dev->name); - return 0; -} - -static struct platform_driver svip_ve_driver = { - .probe = svip_ve_probe, - .remove = svip_ve_remove, - .driver = { - .name = "ifxmips_svip_ve", - .owner = THIS_MODULE, - }, -}; - -/** - * Module/driver entry routine - */ -static int __init svip_ve_init_module(void) -{ - int ret; - - ret = platform_driver_register(&svip_ve_driver); - if (ret) - printk(KERN_INFO "SVIP: error(%d) registering virtual Ethernet driver!\n", ret); - return ret; -} - -/** - * Module exit routine (never called for statically linked driver) - */ -static void __exit svip_ve_cleanup_module(void) -{ - platform_driver_unregister(&svip_ve_driver); -} - -module_init(svip_ve_init_module); -module_exit(svip_ve_cleanup_module); -MODULE_LICENSE("GPL"); -MODULE_DESCRIPTION("virtual ethernet driver for LANTIQ SVIP system"); - -EXPORT_SYMBOL(register_mps_recv_routine); |