diff options
Diffstat (limited to 'drivers/net/fjes')
| -rw-r--r-- | drivers/net/fjes/fjes.h | 25 | ||||
| -rw-r--r-- | drivers/net/fjes/fjes_main.c | 94 |
2 files changed, 119 insertions, 0 deletions
diff --git a/drivers/net/fjes/fjes.h b/drivers/net/fjes/fjes.h index 15ded9642101..54bc189a997c 100644 --- a/drivers/net/fjes/fjes.h +++ b/drivers/net/fjes/fjes.h @@ -24,7 +24,32 @@ #include <linux/acpi.h> +#include "fjes_hw.h" + #define FJES_ACPI_SYMBOL "Extended Socket" +#define FJES_MAX_QUEUES 1 +#define FJES_TX_RETRY_INTERVAL (20 * HZ) + +/* board specific private data structure */ +struct fjes_adapter { + struct net_device *netdev; + struct platform_device *plat_dev; + + struct napi_struct napi; + struct rtnl_link_stats64 stats64; + + unsigned int tx_retry_count; + unsigned long tx_start_jiffies; + unsigned long rx_last_jiffies; + bool unset_rx_last; + + bool force_reset; + bool open_guard; + + bool irq_registered; + + struct fjes_hw hw; +}; extern char fjes_driver_name[]; extern char fjes_driver_version[]; diff --git a/drivers/net/fjes/fjes_main.c b/drivers/net/fjes/fjes_main.c index 95176667131e..45a8b9c52ae5 100644 --- a/drivers/net/fjes/fjes_main.c +++ b/drivers/net/fjes/fjes_main.c @@ -23,6 +23,7 @@ #include <linux/types.h> #include <linux/nls.h> #include <linux/platform_device.h> +#include <linux/netdevice.h> #include "fjes.h" @@ -49,6 +50,9 @@ static acpi_status fjes_get_acpi_resource(struct acpi_resource *, void*); static int fjes_probe(struct platform_device *); static int fjes_remove(struct platform_device *); +static int fjes_sw_init(struct fjes_adapter *); +static void fjes_netdev_setup(struct net_device *); + static const struct acpi_device_id fjes_acpi_ids[] = { {"PNP0C02", 0}, {"", 0}, @@ -166,18 +170,108 @@ fjes_get_acpi_resource(struct acpi_resource *acpi_res, void *data) return AE_OK; } +static const struct net_device_ops fjes_netdev_ops = { +}; + /* fjes_probe - Device Initialization Routine */ static int fjes_probe(struct platform_device *plat_dev) { + struct fjes_adapter *adapter; + struct net_device *netdev; + struct resource *res; + struct fjes_hw *hw; + int err; + + err = -ENOMEM; + netdev = alloc_netdev_mq(sizeof(struct fjes_adapter), "es%d", + NET_NAME_UNKNOWN, fjes_netdev_setup, + FJES_MAX_QUEUES); + + if (!netdev) + goto err_out; + + SET_NETDEV_DEV(netdev, &plat_dev->dev); + + dev_set_drvdata(&plat_dev->dev, netdev); + adapter = netdev_priv(netdev); + adapter->netdev = netdev; + adapter->plat_dev = plat_dev; + hw = &adapter->hw; + hw->back = adapter; + + /* setup the private structure */ + err = fjes_sw_init(adapter); + if (err) + goto err_free_netdev; + + adapter->force_reset = false; + adapter->open_guard = false; + + res = platform_get_resource(plat_dev, IORESOURCE_MEM, 0); + hw->hw_res.start = res->start; + hw->hw_res.size = res->end - res->start + 1; + hw->hw_res.irq = platform_get_irq(plat_dev, 0); + err = fjes_hw_init(&adapter->hw); + if (err) + goto err_free_netdev; + + /* setup MAC address (02:00:00:00:00:[epid])*/ + netdev->dev_addr[0] = 2; + netdev->dev_addr[1] = 0; + netdev->dev_addr[2] = 0; + netdev->dev_addr[3] = 0; + netdev->dev_addr[4] = 0; + netdev->dev_addr[5] = hw->my_epid; /* EPID */ + + err = register_netdev(netdev); + if (err) + goto err_hw_exit; + + netif_carrier_off(netdev); + return 0; + +err_hw_exit: + fjes_hw_exit(&adapter->hw); +err_free_netdev: + free_netdev(netdev); +err_out: + return err; } /* fjes_remove - Device Removal Routine */ static int fjes_remove(struct platform_device *plat_dev) { + struct net_device *netdev = dev_get_drvdata(&plat_dev->dev); + struct fjes_adapter *adapter = netdev_priv(netdev); + struct fjes_hw *hw = &adapter->hw; + + unregister_netdev(netdev); + + fjes_hw_exit(hw); + + free_netdev(netdev); + return 0; } +static int fjes_sw_init(struct fjes_adapter *adapter) +{ + return 0; +} + +/* fjes_netdev_setup - netdevice initialization routine */ +static void fjes_netdev_setup(struct net_device *netdev) +{ + ether_setup(netdev); + + netdev->watchdog_timeo = FJES_TX_RETRY_INTERVAL; + netdev->netdev_ops = &fjes_netdev_ops; + netdev->mtu = fjes_support_mtu[0]; + netdev->flags |= IFF_BROADCAST; + netdev->features |= NETIF_F_HW_CSUM | NETIF_F_HW_VLAN_CTAG_FILTER; +} + /* fjes_init_module - Driver Registration Routine */ static int __init fjes_init_module(void) { |