diff options
Diffstat (limited to 'ANDROID_3.4.5/drivers/net/usb/int51x1.c')
-rw-r--r-- | ANDROID_3.4.5/drivers/net/usb/int51x1.c | 245 |
1 files changed, 0 insertions, 245 deletions
diff --git a/ANDROID_3.4.5/drivers/net/usb/int51x1.c b/ANDROID_3.4.5/drivers/net/usb/int51x1.c deleted file mode 100644 index 12a22a45..00000000 --- a/ANDROID_3.4.5/drivers/net/usb/int51x1.c +++ /dev/null @@ -1,245 +0,0 @@ -/* - * Copyright (c) 2009 Peter Holik - * - * Intellon usb PLC (Powerline Communications) usb net driver - * - * http://www.tandel.be/downloads/INT51X1_Datasheet.pdf - * - * Based on the work of Jan 'RedBully' Seiffert - */ - -/* - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or. - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -#include <linux/module.h> -#include <linux/ctype.h> -#include <linux/netdevice.h> -#include <linux/etherdevice.h> -#include <linux/ethtool.h> -#include <linux/slab.h> -#include <linux/mii.h> -#include <linux/usb.h> -#include <linux/usb/usbnet.h> - -#define INT51X1_VENDOR_ID 0x09e1 -#define INT51X1_PRODUCT_ID 0x5121 - -#define INT51X1_HEADER_SIZE 2 /* 2 byte header */ - -#define PACKET_TYPE_PROMISCUOUS (1 << 0) -#define PACKET_TYPE_ALL_MULTICAST (1 << 1) /* no filter */ -#define PACKET_TYPE_DIRECTED (1 << 2) -#define PACKET_TYPE_BROADCAST (1 << 3) -#define PACKET_TYPE_MULTICAST (1 << 4) /* filtered */ - -#define SET_ETHERNET_PACKET_FILTER 0x43 - -static int int51x1_rx_fixup(struct usbnet *dev, struct sk_buff *skb) -{ - int len; - - if (!(pskb_may_pull(skb, INT51X1_HEADER_SIZE))) { - netdev_err(dev->net, "unexpected tiny rx frame\n"); - return 0; - } - - len = le16_to_cpu(*(__le16 *)&skb->data[skb->len - 2]); - - skb_trim(skb, len); - - return 1; -} - -static struct sk_buff *int51x1_tx_fixup(struct usbnet *dev, - struct sk_buff *skb, gfp_t flags) -{ - int pack_len = skb->len; - int pack_with_header_len = pack_len + INT51X1_HEADER_SIZE; - int headroom = skb_headroom(skb); - int tailroom = skb_tailroom(skb); - int need_tail = 0; - __le16 *len; - - /* if packet and our header is smaler than 64 pad to 64 (+ ZLP) */ - if ((pack_with_header_len) < dev->maxpacket) - need_tail = dev->maxpacket - pack_with_header_len + 1; - /* - * usbnet would send a ZLP if packetlength mod urbsize == 0 for us, - * but we need to know ourself, because this would add to the length - * we send down to the device... - */ - else if (!(pack_with_header_len % dev->maxpacket)) - need_tail = 1; - - if (!skb_cloned(skb) && - (headroom + tailroom >= need_tail + INT51X1_HEADER_SIZE)) { - if (headroom < INT51X1_HEADER_SIZE || tailroom < need_tail) { - skb->data = memmove(skb->head + INT51X1_HEADER_SIZE, - skb->data, skb->len); - skb_set_tail_pointer(skb, skb->len); - } - } else { - struct sk_buff *skb2; - - skb2 = skb_copy_expand(skb, - INT51X1_HEADER_SIZE, - need_tail, - flags); - dev_kfree_skb_any(skb); - if (!skb2) - return NULL; - skb = skb2; - } - - pack_len += need_tail; - pack_len &= 0x07ff; - - len = (__le16 *) __skb_push(skb, INT51X1_HEADER_SIZE); - *len = cpu_to_le16(pack_len); - - if(need_tail) - memset(__skb_put(skb, need_tail), 0, need_tail); - - return skb; -} - -static void int51x1_async_cmd_callback(struct urb *urb) -{ - struct usb_ctrlrequest *req = (struct usb_ctrlrequest *)urb->context; - int status = urb->status; - - if (status < 0) - dev_warn(&urb->dev->dev, "async callback failed with %d\n", status); - - kfree(req); - usb_free_urb(urb); -} - -static void int51x1_set_multicast(struct net_device *netdev) -{ - struct usb_ctrlrequest *req; - int status; - struct urb *urb; - struct usbnet *dev = netdev_priv(netdev); - u16 filter = PACKET_TYPE_DIRECTED | PACKET_TYPE_BROADCAST; - - if (netdev->flags & IFF_PROMISC) { - /* do not expect to see traffic of other PLCs */ - filter |= PACKET_TYPE_PROMISCUOUS; - netdev_info(dev->net, "promiscuous mode enabled\n"); - } else if (!netdev_mc_empty(netdev) || - (netdev->flags & IFF_ALLMULTI)) { - filter |= PACKET_TYPE_ALL_MULTICAST; - netdev_dbg(dev->net, "receive all multicast enabled\n"); - } else { - /* ~PROMISCUOUS, ~MULTICAST */ - netdev_dbg(dev->net, "receive own packets only\n"); - } - - urb = usb_alloc_urb(0, GFP_ATOMIC); - if (!urb) { - netdev_warn(dev->net, "Error allocating URB\n"); - return; - } - - req = kmalloc(sizeof(*req), GFP_ATOMIC); - if (!req) { - netdev_warn(dev->net, "Error allocating control msg\n"); - goto out; - } - - req->bRequestType = USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_INTERFACE; - req->bRequest = SET_ETHERNET_PACKET_FILTER; - req->wValue = cpu_to_le16(filter); - req->wIndex = 0; - req->wLength = 0; - - usb_fill_control_urb(urb, dev->udev, usb_sndctrlpipe(dev->udev, 0), - (void *)req, NULL, 0, - int51x1_async_cmd_callback, - (void *)req); - - status = usb_submit_urb(urb, GFP_ATOMIC); - if (status < 0) { - netdev_warn(dev->net, "Error submitting control msg, sts=%d\n", - status); - goto out1; - } - return; -out1: - kfree(req); -out: - usb_free_urb(urb); -} - -static const struct net_device_ops int51x1_netdev_ops = { - .ndo_open = usbnet_open, - .ndo_stop = usbnet_stop, - .ndo_start_xmit = usbnet_start_xmit, - .ndo_tx_timeout = usbnet_tx_timeout, - .ndo_change_mtu = usbnet_change_mtu, - .ndo_set_mac_address = eth_mac_addr, - .ndo_validate_addr = eth_validate_addr, - .ndo_set_rx_mode = int51x1_set_multicast, -}; - -static int int51x1_bind(struct usbnet *dev, struct usb_interface *intf) -{ - int status = usbnet_get_ethernet_addr(dev, 3); - - if (status) - return status; - - dev->net->hard_header_len += INT51X1_HEADER_SIZE; - dev->hard_mtu = dev->net->mtu + dev->net->hard_header_len; - dev->net->netdev_ops = &int51x1_netdev_ops; - - return usbnet_get_endpoints(dev, intf); -} - -static const struct driver_info int51x1_info = { - .description = "Intellon usb powerline adapter", - .bind = int51x1_bind, - .rx_fixup = int51x1_rx_fixup, - .tx_fixup = int51x1_tx_fixup, - .in = 1, - .out = 2, - .flags = FLAG_ETHER, -}; - -static const struct usb_device_id products[] = { - { - USB_DEVICE(INT51X1_VENDOR_ID, INT51X1_PRODUCT_ID), - .driver_info = (unsigned long) &int51x1_info, - }, - {}, -}; -MODULE_DEVICE_TABLE(usb, products); - -static struct usb_driver int51x1_driver = { - .name = "int51x1", - .id_table = products, - .probe = usbnet_probe, - .disconnect = usbnet_disconnect, - .suspend = usbnet_suspend, - .resume = usbnet_resume, -}; - -module_usb_driver(int51x1_driver); - -MODULE_AUTHOR("Peter Holik"); -MODULE_DESCRIPTION("Intellon usb powerline adapter"); -MODULE_LICENSE("GPL"); |