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author | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
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committer | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
commit | 871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch) | |
tree | 8718f573808810c2a1e8cb8fb6ac469093ca2784 /ANDROID_3.4.5/arch/m68k/emu/nfeth.c | |
parent | 9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff) | |
download | FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.tar.gz FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.tar.bz2 FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.zip |
Moved, renamed, and deleted files
The original directory structure was scattered and unorganized.
Changes are basically to make it look like kernel structure.
Diffstat (limited to 'ANDROID_3.4.5/arch/m68k/emu/nfeth.c')
-rw-r--r-- | ANDROID_3.4.5/arch/m68k/emu/nfeth.c | 270 |
1 files changed, 0 insertions, 270 deletions
diff --git a/ANDROID_3.4.5/arch/m68k/emu/nfeth.c b/ANDROID_3.4.5/arch/m68k/emu/nfeth.c deleted file mode 100644 index a985a7e8..00000000 --- a/ANDROID_3.4.5/arch/m68k/emu/nfeth.c +++ /dev/null @@ -1,270 +0,0 @@ -/* - * atari_nfeth.c - ARAnyM ethernet card driver for GNU/Linux - * - * Copyright (c) 2005 Milan Jurik, Petr Stehlik of ARAnyM dev team - * - * Based on ARAnyM driver for FreeMiNT written by Standa Opichal - * - * This software may be used and distributed according to the terms of - * the GNU General Public License (GPL), incorporated herein by reference. - */ - -#define DRV_VERSION "0.3" -#define DRV_RELDATE "10/12/2005" - -#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt - -#include <linux/netdevice.h> -#include <linux/etherdevice.h> -#include <linux/interrupt.h> -#include <linux/module.h> -#include <asm/natfeat.h> -#include <asm/virtconvert.h> - -enum { - GET_VERSION = 0,/* no parameters, return NFAPI_VERSION in d0 */ - XIF_INTLEVEL, /* no parameters, return Interrupt Level in d0 */ - XIF_IRQ, /* acknowledge interrupt from host */ - XIF_START, /* (ethX), called on 'ifup', start receiver thread */ - XIF_STOP, /* (ethX), called on 'ifdown', stop the thread */ - XIF_READLENGTH, /* (ethX), return size of network data block to read */ - XIF_READBLOCK, /* (ethX, buffer, size), read block of network data */ - XIF_WRITEBLOCK, /* (ethX, buffer, size), write block of network data */ - XIF_GET_MAC, /* (ethX, buffer, size), return MAC HW addr in buffer */ - XIF_GET_IPHOST, /* (ethX, buffer, size), return IP address of host */ - XIF_GET_IPATARI,/* (ethX, buffer, size), return IP address of atari */ - XIF_GET_NETMASK /* (ethX, buffer, size), return IP netmask */ -}; - -#define MAX_UNIT 8 - -/* These identify the driver base version and may not be removed. */ -static const char version[] __devinitconst = - KERN_INFO KBUILD_MODNAME ".c:v" DRV_VERSION " " DRV_RELDATE - " S.Opichal, M.Jurik, P.Stehlik\n" - KERN_INFO " http://aranym.org/\n"; - -MODULE_AUTHOR("Milan Jurik"); -MODULE_DESCRIPTION("Atari NFeth driver"); -MODULE_LICENSE("GPL"); -/* -MODULE_PARM(nfeth_debug, "i"); -MODULE_PARM_DESC(nfeth_debug, "nfeth_debug level (1-2)"); -*/ - - -static long nfEtherID; -static int nfEtherIRQ; - -struct nfeth_private { - int ethX; -}; - -static struct net_device *nfeth_dev[MAX_UNIT]; - -static int nfeth_open(struct net_device *dev) -{ - struct nfeth_private *priv = netdev_priv(dev); - int res; - - res = nf_call(nfEtherID + XIF_START, priv->ethX); - netdev_dbg(dev, "%s: %d\n", __func__, res); - - /* Ready for data */ - netif_start_queue(dev); - - return 0; -} - -static int nfeth_stop(struct net_device *dev) -{ - struct nfeth_private *priv = netdev_priv(dev); - - /* No more data */ - netif_stop_queue(dev); - - nf_call(nfEtherID + XIF_STOP, priv->ethX); - - return 0; -} - -/* - * Read a packet out of the adapter and pass it to the upper layers - */ -static inline void recv_packet(struct net_device *dev) -{ - struct nfeth_private *priv = netdev_priv(dev); - unsigned short pktlen; - struct sk_buff *skb; - - /* read packet length (excluding 32 bit crc) */ - pktlen = nf_call(nfEtherID + XIF_READLENGTH, priv->ethX); - - netdev_dbg(dev, "%s: %u\n", __func__, pktlen); - - if (!pktlen) { - netdev_dbg(dev, "%s: pktlen == 0\n", __func__); - dev->stats.rx_errors++; - return; - } - - skb = dev_alloc_skb(pktlen + 2); - if (!skb) { - netdev_dbg(dev, "%s: out of mem (buf_alloc failed)\n", - __func__); - dev->stats.rx_dropped++; - return; - } - - skb->dev = dev; - skb_reserve(skb, 2); /* 16 Byte align */ - skb_put(skb, pktlen); /* make room */ - nf_call(nfEtherID + XIF_READBLOCK, priv->ethX, virt_to_phys(skb->data), - pktlen); - - skb->protocol = eth_type_trans(skb, dev); - netif_rx(skb); - dev->last_rx = jiffies; - dev->stats.rx_packets++; - dev->stats.rx_bytes += pktlen; - - /* and enqueue packet */ - return; -} - -static irqreturn_t nfeth_interrupt(int irq, void *dev_id) -{ - int i, m, mask; - - mask = nf_call(nfEtherID + XIF_IRQ, 0); - for (i = 0, m = 1; i < MAX_UNIT; m <<= 1, i++) { - if (mask & m && nfeth_dev[i]) { - recv_packet(nfeth_dev[i]); - nf_call(nfEtherID + XIF_IRQ, m); - } - } - return IRQ_HANDLED; -} - -static int nfeth_xmit(struct sk_buff *skb, struct net_device *dev) -{ - unsigned int len; - char *data, shortpkt[ETH_ZLEN]; - struct nfeth_private *priv = netdev_priv(dev); - - data = skb->data; - len = skb->len; - if (len < ETH_ZLEN) { - memset(shortpkt, 0, ETH_ZLEN); - memcpy(shortpkt, data, len); - data = shortpkt; - len = ETH_ZLEN; - } - - netdev_dbg(dev, "%s: send %u bytes\n", __func__, len); - nf_call(nfEtherID + XIF_WRITEBLOCK, priv->ethX, virt_to_phys(data), - len); - - dev->stats.tx_packets++; - dev->stats.tx_bytes += len; - - dev_kfree_skb(skb); - return 0; -} - -static void nfeth_tx_timeout(struct net_device *dev) -{ - dev->stats.tx_errors++; - netif_wake_queue(dev); -} - -static const struct net_device_ops nfeth_netdev_ops = { - .ndo_open = nfeth_open, - .ndo_stop = nfeth_stop, - .ndo_start_xmit = nfeth_xmit, - .ndo_tx_timeout = nfeth_tx_timeout, - .ndo_validate_addr = eth_validate_addr, - .ndo_change_mtu = eth_change_mtu, - .ndo_set_mac_address = eth_mac_addr, -}; - -static struct net_device * __init nfeth_probe(int unit) -{ - struct net_device *dev; - struct nfeth_private *priv; - char mac[ETH_ALEN], host_ip[32], local_ip[32]; - int err; - - if (!nf_call(nfEtherID + XIF_GET_MAC, unit, mac, ETH_ALEN)) - return NULL; - - dev = alloc_etherdev(sizeof(struct nfeth_private)); - if (!dev) - return NULL; - - dev->irq = nfEtherIRQ; - dev->netdev_ops = &nfeth_netdev_ops; - - memcpy(dev->dev_addr, mac, ETH_ALEN); - - priv = netdev_priv(dev); - priv->ethX = unit; - - err = register_netdev(dev); - if (err) { - free_netdev(dev); - return NULL; - } - - nf_call(nfEtherID + XIF_GET_IPHOST, unit, - host_ip, sizeof(host_ip)); - nf_call(nfEtherID + XIF_GET_IPATARI, unit, - local_ip, sizeof(local_ip)); - - netdev_info(dev, KBUILD_MODNAME " addr:%s (%s) HWaddr:%pM\n", host_ip, - local_ip, mac); - - return dev; -} - -static int __init nfeth_init(void) -{ - long ver; - int error, i; - - nfEtherID = nf_get_id("ETHERNET"); - if (!nfEtherID) - return -ENODEV; - - ver = nf_call(nfEtherID + GET_VERSION); - pr_info("API %lu\n", ver); - - nfEtherIRQ = nf_call(nfEtherID + XIF_INTLEVEL); - error = request_irq(nfEtherIRQ, nfeth_interrupt, IRQF_SHARED, - "eth emu", nfeth_interrupt); - if (error) { - pr_err("request for irq %d failed %d", nfEtherIRQ, error); - return error; - } - - for (i = 0; i < MAX_UNIT; i++) - nfeth_dev[i] = nfeth_probe(i); - - return 0; -} - -static void __exit nfeth_cleanup(void) -{ - int i; - - for (i = 0; i < MAX_UNIT; i++) { - if (nfeth_dev[i]) { - unregister_netdev(nfeth_dev[0]); - free_netdev(nfeth_dev[0]); - } - } - free_irq(nfEtherIRQ, nfeth_interrupt); -} - -module_init(nfeth_init); -module_exit(nfeth_cleanup); |