diff options
Diffstat (limited to 'target/linux/generic-2.6/patches-2.6.26/915-hso-backport.patch')
| -rw-r--r-- | target/linux/generic-2.6/patches-2.6.26/915-hso-backport.patch | 2906 |
1 files changed, 0 insertions, 2906 deletions
diff --git a/target/linux/generic-2.6/patches-2.6.26/915-hso-backport.patch b/target/linux/generic-2.6/patches-2.6.26/915-hso-backport.patch deleted file mode 100644 index 79843a14e3..0000000000 --- a/target/linux/generic-2.6/patches-2.6.26/915-hso-backport.patch +++ /dev/null @@ -1,2906 +0,0 @@ -From: Greg Kroah-Hartman <gregkh@suse.de> -Date: Wed, 14 May 2008 04:57:12 +0000 (-0700) -Subject: HSO: add option hso driver -X-Git-Url: http://git.kernel.org/?p=linux%2Fkernel%2Fgit%2Ftorvalds%2Flinux-2.6.git;a=commitdiff_plain;h=72dc1c096c7051a48ab1dbb12f71976656b55eb5;hp=44f74c046961bd1f21b7d35baaa9165572d1e975 - -HSO: add option hso driver - -This driver is for a number of different Option devices. Originally -written by Option and Andrew Bird, but cleaned up massivly for -acceptance into mainline by me and others. - -Many thanks to the following for their help in cleaning up the driver by -providing feedback and patches to it: - - Paulius Zaleckas <paulius.zaleckas@teltonika.lt> - - Oliver Neukum <oliver@neukum.org> - - Alan Cox <alan@lxorguk.ukuu.org.uk> - - Javier Marcet <javier@krausbeck.org> - -Cc: Andrew Bird <ajb@spheresystems.co.uk> -Cc: Javier Marcet <javier@krausbeck.org> -Cc: Filip Aben <f.aben@option.com> -Cc: Paulius Zaleckas <paulius.zaleckas@teltonika.lt> -Cc: Oliver Neukum <oliver@neukum.org> -Acked-by: Alan Cox <alan@lxorguk.ukuu.org.uk> -Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de> -Signed-off-by: Jeff Garzik <jgarzik@redhat.com> ---- - ---- a/drivers/net/Makefile -+++ b/drivers/net/Makefile -@@ -237,6 +237,7 @@ obj-$(CONFIG_USB_CATC) += usb/ - obj-$(CONFIG_USB_KAWETH) += usb/ - obj-$(CONFIG_USB_PEGASUS) += usb/ - obj-$(CONFIG_USB_RTL8150) += usb/ -+obj-$(CONFIG_USB_HSO) += usb/ - obj-$(CONFIG_USB_USBNET) += usb/ - obj-$(CONFIG_USB_ZD1201) += usb/ - ---- a/drivers/net/usb/Kconfig -+++ b/drivers/net/usb/Kconfig -@@ -154,6 +154,16 @@ config USB_NET_AX8817X - This driver creates an interface named "ethX", where X depends on - what other networking devices you have in use. - -+config USB_HSO -+ tristate "Option USB High Speed Mobile Devices" -+ depends on USB && RFKILL -+ default n -+ help -+ Choose this option if you have an Option HSDPA/HSUPA card. -+ These cards support downlink speeds of 7.2Mbps or greater. -+ -+ To compile this driver as a module, choose M here: the -+ module will be called hso. - - config USB_NET_CDCETHER - tristate "CDC Ethernet support (smart devices such as cable modems)" ---- a/drivers/net/usb/Makefile -+++ b/drivers/net/usb/Makefile -@@ -6,6 +6,7 @@ obj-$(CONFIG_USB_CATC) += catc.o - obj-$(CONFIG_USB_KAWETH) += kaweth.o - obj-$(CONFIG_USB_PEGASUS) += pegasus.o - obj-$(CONFIG_USB_RTL8150) += rtl8150.o -+obj-$(CONFIG_USB_HSO) += hso.o - obj-$(CONFIG_USB_NET_AX8817X) += asix.o - obj-$(CONFIG_USB_NET_CDCETHER) += cdc_ether.o - obj-$(CONFIG_USB_NET_DM9601) += dm9601.o ---- /dev/null -+++ b/drivers/net/usb/hso.c -@@ -0,0 +1,2836 @@ -+/****************************************************************************** -+ * -+ * Driver for Option High Speed Mobile Devices. -+ * -+ * Copyright (C) 2008 Option International -+ * Copyright (C) 2007 Andrew Bird (Sphere Systems Ltd) -+ * <ajb@spheresystems.co.uk> -+ * Copyright (C) 2008 Greg Kroah-Hartman <gregkh@suse.de> -+ * Copyright (C) 2008 Novell, Inc. -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ * -+ * 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, -+ * USA -+ * -+ * -+ *****************************************************************************/ -+ -+/****************************************************************************** -+ * -+ * Description of the device: -+ * -+ * Interface 0: Contains the IP network interface on the bulk end points. -+ * The multiplexed serial ports are using the interrupt and -+ * control endpoints. -+ * Interrupt contains a bitmap telling which multiplexed -+ * serialport needs servicing. -+ * -+ * Interface 1: Diagnostics port, uses bulk only, do not submit urbs until the -+ * port is opened, as this have a huge impact on the network port -+ * throughput. -+ * -+ * Interface 2: Standard modem interface - circuit switched interface, should -+ * not be used. -+ * -+ *****************************************************************************/ -+ -+#include <linux/sched.h> -+#include <linux/slab.h> -+#include <linux/init.h> -+#include <linux/delay.h> -+#include <linux/netdevice.h> -+#include <linux/module.h> -+#include <linux/ethtool.h> -+#include <linux/usb.h> -+#include <linux/timer.h> -+#include <linux/tty.h> -+#include <linux/tty_driver.h> -+#include <linux/tty_flip.h> -+#include <linux/kmod.h> -+#include <linux/rfkill.h> -+#include <linux/ip.h> -+#include <linux/uaccess.h> -+#include <linux/usb/cdc.h> -+#include <net/arp.h> -+#include <asm/byteorder.h> -+ -+ -+#define DRIVER_VERSION "1.2" -+#define MOD_AUTHOR "Option Wireless" -+#define MOD_DESCRIPTION "USB High Speed Option driver" -+#define MOD_LICENSE "GPL" -+ -+#define HSO_MAX_NET_DEVICES 10 -+#define HSO__MAX_MTU 2048 -+#define DEFAULT_MTU 1500 -+#define DEFAULT_MRU 1500 -+ -+#define CTRL_URB_RX_SIZE 1024 -+#define CTRL_URB_TX_SIZE 64 -+ -+#define BULK_URB_RX_SIZE 4096 -+#define BULK_URB_TX_SIZE 8192 -+ -+#define MUX_BULK_RX_BUF_SIZE HSO__MAX_MTU -+#define MUX_BULK_TX_BUF_SIZE HSO__MAX_MTU -+#define MUX_BULK_RX_BUF_COUNT 4 -+#define USB_TYPE_OPTION_VENDOR 0x20 -+ -+/* These definitions are used with the struct hso_net flags element */ -+/* - use *_bit operations on it. (bit indices not values.) */ -+#define HSO_NET_RUNNING 0 -+ -+#define HSO_NET_TX_TIMEOUT (HZ*10) -+ -+/* Serial port defines and structs. */ -+#define HSO_SERIAL_FLAG_RX_SENT 0 -+ -+#define HSO_SERIAL_MAGIC 0x48534f31 -+ -+/* Number of ttys to handle */ -+#define HSO_SERIAL_TTY_MINORS 256 -+ -+#define MAX_RX_URBS 2 -+ -+#define get_serial_by_tty(x) \ -+ (x ? (struct hso_serial *)x->driver_data : NULL) -+ -+/*****************************************************************************/ -+/* Debugging functions */ -+/*****************************************************************************/ -+#define D__(lvl_, fmt, arg...) \ -+ do { \ -+ printk(lvl_ "[%d:%s]: " fmt "\n", \ -+ __LINE__, __func__, ## arg); \ -+ } while (0) -+ -+#define D_(lvl, args...) \ -+ do { \ -+ if (lvl & debug) \ -+ D__(KERN_INFO, args); \ -+ } while (0) -+ -+#define D1(args...) D_(0x01, ##args) -+#define D2(args...) D_(0x02, ##args) -+#define D3(args...) D_(0x04, ##args) -+#define D4(args...) D_(0x08, ##args) -+#define D5(args...) D_(0x10, ##args) -+ -+/*****************************************************************************/ -+/* Enumerators */ -+/*****************************************************************************/ -+enum pkt_parse_state { -+ WAIT_IP, -+ WAIT_DATA, -+ WAIT_SYNC -+}; -+ -+/*****************************************************************************/ -+/* Structs */ -+/*****************************************************************************/ -+ -+struct hso_shared_int { -+ struct usb_endpoint_descriptor *intr_endp; -+ void *shared_intr_buf; -+ struct urb *shared_intr_urb; -+ struct usb_device *usb; -+ int use_count; -+ int ref_count; -+ struct mutex shared_int_lock; -+}; -+ -+struct hso_net { -+ struct hso_device *parent; -+ struct net_device *net; -+ struct rfkill *rfkill; -+ -+ struct usb_endpoint_descriptor *in_endp; -+ struct usb_endpoint_descriptor *out_endp; -+ -+ struct urb *mux_bulk_rx_urb_pool[MUX_BULK_RX_BUF_COUNT]; -+ struct urb *mux_bulk_tx_urb; -+ void *mux_bulk_rx_buf_pool[MUX_BULK_RX_BUF_COUNT]; -+ void *mux_bulk_tx_buf; -+ -+ struct sk_buff *skb_rx_buf; -+ struct sk_buff *skb_tx_buf; -+ -+ enum pkt_parse_state rx_parse_state; -+ spinlock_t net_lock; -+ -+ unsigned short rx_buf_size; -+ unsigned short rx_buf_missing; -+ struct iphdr rx_ip_hdr; -+ -+ unsigned long flags; -+}; -+ -+struct hso_serial { -+ struct hso_device *parent; -+ int magic; -+ u8 minor; -+ -+ struct hso_shared_int *shared_int; -+ -+ /* rx/tx urb could be either a bulk urb or a control urb depending -+ on which serial port it is used on. */ -+ struct urb *rx_urb[MAX_RX_URBS]; -+ u8 num_rx_urbs; -+ u8 *rx_data[MAX_RX_URBS]; -+ u16 rx_data_length; /* should contain allocated length */ -+ -+ struct urb *tx_urb; -+ u8 *tx_data; -+ u8 *tx_buffer; -+ u16 tx_data_length; /* should contain allocated length */ -+ u16 tx_data_count; -+ u16 tx_buffer_count; -+ struct usb_ctrlrequest ctrl_req_tx; -+ struct usb_ctrlrequest ctrl_req_rx; -+ -+ struct usb_endpoint_descriptor *in_endp; -+ struct usb_endpoint_descriptor *out_endp; -+ -+ unsigned long flags; -+ u8 rts_state; -+ u8 dtr_state; -+ unsigned tx_urb_used:1; -+ -+ /* from usb_serial_port */ -+ struct tty_struct *tty; -+ int open_count; -+ spinlock_t serial_lock; -+ -+ int (*write_data) (struct hso_serial *serial); -+}; -+ -+struct hso_device { -+ union { -+ struct hso_serial *dev_serial; -+ struct hso_net *dev_net; -+ } port_data; -+ -+ u32 port_spec; -+ -+ u8 is_active; -+ u8 usb_gone; -+ struct work_struct async_get_intf; -+ struct work_struct async_put_intf; -+ -+ struct usb_device *usb; -+ struct usb_interface *interface; -+ -+ struct device *dev; -+ struct kref ref; -+ struct mutex mutex; -+}; -+ -+/* Type of interface */ -+#define HSO_INTF_MASK 0xFF00 -+#define HSO_INTF_MUX 0x0100 -+#define HSO_INTF_BULK 0x0200 -+ -+/* Type of port */ -+#define HSO_PORT_MASK 0xFF -+#define HSO_PORT_NO_PORT 0x0 -+#define HSO_PORT_CONTROL 0x1 -+#define HSO_PORT_APP 0x2 -+#define HSO_PORT_GPS 0x3 -+#define HSO_PORT_PCSC 0x4 -+#define HSO_PORT_APP2 0x5 -+#define HSO_PORT_GPS_CONTROL 0x6 -+#define HSO_PORT_MSD 0x7 -+#define HSO_PORT_VOICE 0x8 -+#define HSO_PORT_DIAG2 0x9 -+#define HSO_PORT_DIAG 0x10 -+#define HSO_PORT_MODEM 0x11 -+#define HSO_PORT_NETWORK 0x12 -+ -+/* Additional device info */ -+#define HSO_INFO_MASK 0xFF000000 -+#define HSO_INFO_CRC_BUG 0x01000000 -+ -+/*****************************************************************************/ -+/* Prototypes */ -+/*****************************************************************************/ -+/* Serial driver functions */ -+static int hso_serial_tiocmset(struct tty_struct *tty, struct file *file, -+ unsigned int set, unsigned int clear); -+static void ctrl_callback(struct urb *urb); -+static void put_rxbuf_data(struct urb *urb, struct hso_serial *serial); -+static void hso_kick_transmit(struct hso_serial *serial); -+/* Helper functions */ -+static int hso_mux_submit_intr_urb(struct hso_shared_int *mux_int, -+ struct usb_device *usb, gfp_t gfp); -+static void log_usb_status(int status, const char *function); -+static struct usb_endpoint_descriptor *hso_get_ep(struct usb_interface *intf, -+ int type, int dir); -+static int hso_get_mux_ports(struct usb_interface *intf, unsigned char *ports); -+static void hso_free_interface(struct usb_interface *intf); -+static int hso_start_serial_device(struct hso_device *hso_dev, gfp_t flags); -+static int hso_stop_serial_device(struct hso_device *hso_dev); -+static int hso_start_net_device(struct hso_device *hso_dev); -+static void hso_free_shared_int(struct hso_shared_int *shared_int); -+static int hso_stop_net_device(struct hso_device *hso_dev); -+static void hso_serial_ref_free(struct kref *ref); -+static void async_get_intf(struct work_struct *data); -+static void async_put_intf(struct work_struct *data); -+static int hso_put_activity(struct hso_device *hso_dev); -+static int hso_get_activity(struct hso_device *hso_dev); -+ -+/*****************************************************************************/ -+/* Helping functions */ -+/*****************************************************************************/ -+ -+/* #define DEBUG */ -+ -+#define dev2net(x) (x->port_data.dev_net) -+#define dev2ser(x) (x->port_data.dev_serial) -+ -+/* Debugging functions */ -+#ifdef DEBUG -+static void dbg_dump(int line_count, const char *func_name, unsigned char *buf, -+ unsigned int len) -+{ -+ u8 i = 0; -+ -+ printk(KERN_DEBUG "[%d:%s]: len %d", line_count, func_name, len); -+ -+ for (i = 0; i < len; i++) { -+ if (!(i % 16)) -+ printk("\n 0x%03x: ", i); -+ printk("%02x ", (unsigned char)buf[i]); -+ } -+ printk("\n"); -+} -+ -+#define DUMP(buf_, len_) \ -+ dbg_dump(__LINE__, __func__, buf_, len_) -+ -+#define DUMP1(buf_, len_) \ -+ do { \ -+ if (0x01 & debug) \ -+ DUMP(buf_, len_); \ -+ } while (0) -+#else -+#define DUMP(buf_, len_) -+#define DUMP1(buf_, len_) -+#endif -+ -+/* module parameters */ -+static int debug; -+static int tty_major; -+static int disable_net; -+ -+/* driver info */ -+static const char driver_name[] = "hso"; -+static const char tty_filename[] = "ttyHS"; -+static const char *version = __FILE__ ": " DRIVER_VERSION " " MOD_AUTHOR; -+/* the usb driver itself (registered in hso_init) */ -+static struct usb_driver hso_driver; -+/* serial structures */ -+static struct tty_driver *tty_drv; -+static struct hso_device *serial_table[HSO_SERIAL_TTY_MINORS]; -+static struct hso_device *network_table[HSO_MAX_NET_DEVICES]; -+static spinlock_t serial_table_lock; -+static struct ktermios *hso_serial_termios[HSO_SERIAL_TTY_MINORS]; -+static struct ktermios *hso_serial_termios_locked[HSO_SERIAL_TTY_MINORS]; -+ -+static const s32 default_port_spec[] = { -+ HSO_INTF_MUX | HSO_PORT_NETWORK, -+ HSO_INTF_BULK | HSO_PORT_DIAG, -+ HSO_INTF_BULK | HSO_PORT_MODEM, -+ 0 -+}; -+ -+static const s32 icon321_port_spec[] = { -+ HSO_INTF_MUX | HSO_PORT_NETWORK, -+ HSO_INTF_BULK | HSO_PORT_DIAG2, -+ HSO_INTF_BULK | HSO_PORT_MODEM, -+ HSO_INTF_BULK | HSO_PORT_DIAG, -+ 0 -+}; -+ -+#define default_port_device(vendor, product) \ -+ USB_DEVICE(vendor, product), \ -+ .driver_info = (kernel_ulong_t)default_port_spec -+ -+#define icon321_port_device(vendor, product) \ -+ USB_DEVICE(vendor, product), \ -+ .driver_info = (kernel_ulong_t)icon321_port_spec -+ -+/* list of devices we support */ -+static const struct usb_device_id hso_ids[] = { -+ {default_port_device(0x0af0, 0x6711)}, -+ {default_port_device(0x0af0, 0x6731)}, -+ {default_port_device(0x0af0, 0x6751)}, -+ {default_port_device(0x0af0, 0x6771)}, -+ {default_port_device(0x0af0, 0x6791)}, -+ {default_port_device(0x0af0, 0x6811)}, -+ {default_port_device(0x0af0, 0x6911)}, -+ {default_port_device(0x0af0, 0x6951)}, -+ {default_port_device(0x0af0, 0x6971)}, -+ {default_port_device(0x0af0, 0x7011)}, -+ {default_port_device(0x0af0, 0x7031)}, -+ {default_port_device(0x0af0, 0x7051)}, -+ {default_port_device(0x0af0, 0x7071)}, -+ {default_port_device(0x0af0, 0x7111)}, -+ {default_port_device(0x0af0, 0x7211)}, -+ {default_port_device(0x0af0, 0x7251)}, -+ {default_port_device(0x0af0, 0x7271)}, -+ {default_port_device(0x0af0, 0x7311)}, -+ {default_port_device(0x0af0, 0xc031)}, /* Icon-Edge */ -+ {icon321_port_device(0x0af0, 0xd013)}, /* Module HSxPA */ -+ {icon321_port_device(0x0af0, 0xd031)}, /* Icon-321 */ -+ {default_port_device(0x0af0, 0xd033)}, /* Icon-322 */ -+ {USB_DEVICE(0x0af0, 0x7301)}, /* GE40x */ -+ {USB_DEVICE(0x0af0, 0x7361)}, /* GE40x */ -+ {USB_DEVICE(0x0af0, 0x7401)}, /* GI 0401 */ -+ {USB_DEVICE(0x0af0, 0x7501)}, /* GTM 382 */ -+ {USB_DEVICE(0x0af0, 0x7601)}, /* GE40x */ -+ {} -+}; -+MODULE_DEVICE_TABLE(usb, hso_ids); -+ -+/* Sysfs attribute */ -+static ssize_t hso_sysfs_show_porttype(struct device *dev, -+ struct device_attribute *attr, -+ char *buf) -+{ -+ struct hso_device *hso_dev = dev->driver_data; -+ char *port_name; -+ -+ if (!hso_dev) -+ return 0; -+ -+ switch (hso_dev->port_spec & HSO_PORT_MASK) { -+ case HSO_PORT_CONTROL: -+ port_name = "Control"; -+ break; -+ case HSO_PORT_APP: -+ port_name = "Application"; -+ break; -+ case HSO_PORT_APP2: -+ port_name = "Application2"; -+ break; -+ case HSO_PORT_GPS: -+ port_name = "GPS"; -+ break; -+ case HSO_PORT_GPS_CONTROL: -+ port_name = "GPS Control"; -+ break; -+ case HSO_PORT_PCSC: -+ port_name = "PCSC"; -+ break; -+ case HSO_PORT_DIAG: -+ port_name = "Diagnostic"; -+ break; -+ case HSO_PORT_DIAG2: -+ port_name = "Diagnostic2"; -+ break; -+ case HSO_PORT_MODEM: -+ port_name = "Modem"; -+ break; -+ case HSO_PORT_NETWORK: -+ port_name = "Network"; -+ break; -+ default: -+ port_name = "Unknown"; -+ break; -+ } -+ -+ return sprintf(buf, "%s\n", port_name); -+} -+static DEVICE_ATTR(hsotype, S_IRUGO, hso_sysfs_show_porttype, NULL); -+ -+/* converts mux value to a port spec value */ -+static u32 hso_mux_to_port(int mux) -+{ -+ u32 result; -+ -+ switch (mux) { -+ case 0x1: -+ result = HSO_PORT_CONTROL; -+ break; -+ case 0x2: -+ result = HSO_PORT_APP; -+ break; -+ case 0x4: -+ result = HSO_PORT_PCSC; -+ break; -+ case 0x8: -+ result = HSO_PORT_GPS; -+ break; -+ case 0x10: -+ result = HSO_PORT_APP2; -+ break; -+ default: -+ result = HSO_PORT_NO_PORT; -+ } -+ return result; -+} -+ -+/* converts port spec value to a mux value */ -+static u32 hso_port_to_mux(int port) -+{ -+ u32 result; -+ -+ switch (port & HSO_PORT_MASK) { -+ case HSO_PORT_CONTROL: -+ result = 0x0; -+ break; -+ case HSO_PORT_APP: -+ result = 0x1; -+ break; -+ case HSO_PORT_PCSC: -+ result = 0x2; -+ break; -+ case HSO_PORT_GPS: -+ result = 0x3; -+ break; -+ case HSO_PORT_APP2: -+ result = 0x4; -+ break; -+ default: -+ result = 0x0; -+ } -+ return result; -+} -+ -+static struct hso_serial *get_serial_by_shared_int_and_type( -+ struct hso_shared_int *shared_int, -+ int mux) -+{ -+ int i, port; -+ -+ port = hso_mux_to_port(mux); -+ -+ for (i = 0; i < HSO_SERIAL_TTY_MINORS; i++) { -+ if (serial_table[i] -+ && (dev2ser(serial_table[i])->shared_int == shared_int) -+ && ((serial_table[i]->port_spec & HSO_PORT_MASK) == port)) { -+ return dev2ser(serial_table[i]); -+ } -+ } -+ -+ return NULL; -+} -+ -+static struct hso_serial *get_serial_by_index(unsigned index) -+{ -+ struct hso_serial *serial; -+ unsigned long flags; -+ -+ if (!serial_table[index]) -+ return NULL; -+ spin_lock_irqsave(&serial_table_lock, flags); -+ serial = dev2ser(serial_table[index]); -+ spin_unlock_irqrestore(&serial_table_lock, flags); -+ -+ return serial; -+} -+ -+static int get_free_serial_index(void) -+{ -+ int index; -+ unsigned long flags; -+ -+ spin_lock_irqsave(&serial_table_lock, flags); -+ for (index = 0; index < HSO_SERIAL_TTY_MINORS; index++) { -+ if (serial_table[index] == NULL) { -+ spin_unlock_irqrestore(&serial_table_lock, flags); -+ return index; -+ } -+ } -+ spin_unlock_irqrestore(&serial_table_lock, flags); -+ -+ printk(KERN_ERR "%s: no free serial devices in table\n", __func__); -+ return -1; -+} -+ -+static void set_serial_by_index(unsigned index, struct hso_serial *serial) -+{ -+ unsigned long flags; -+ spin_lock_irqsave(&serial_table_lock, flags); -+ if (serial) -+ serial_table[index] = serial->parent; -+ else -+ serial_table[index] = NULL; -+ spin_unlock_irqrestore(&serial_table_lock, flags); -+} -+ -+/* log a meaningfull explanation of an USB status */ -+static void log_usb_status(int status, const char *function) -+{ -+ char *explanation; -+ -+ switch (status) { -+ case -ENODEV: -+ explanation = "no device"; -+ break; -+ case -ENOENT: -+ explanation = "endpoint not enabled"; -+ break; -+ case -EPIPE: -+ explanation = "endpoint stalled"; -+ break; -+ case -ENOSPC: -+ explanation = "not enough bandwidth"; -+ break; -+ case -ESHUTDOWN: -+ explanation = "device disabled"; -+ break; -+ case -EHOSTUNREACH: -+ explanation = "device suspended"; -+ break; -+ case -EINVAL: -+ case -EAGAIN: -+ case -EFBIG: -+ case -EMSGSIZE: -+ explanation = "internal error"; -+ break; -+ default: -+ explanation = "unknown status"; -+ break; -+ } -+ D1("%s: received USB status - %s (%d)", function, explanation, status); -+} -+ -+/* Network interface functions */ -+ -+/* called when net interface is brought up by ifconfig */ -+static int hso_net_open(struct net_device *net) -+{ -+ struct hso_net *odev = netdev_priv(net); -+ unsigned long flags = 0; -+ -+ if (!odev) { -+ dev_err(&net->dev, "No net device !\n"); -+ return -ENODEV; -+ } -+ -+ odev->skb_tx_buf = NULL; -+ -+ /* setup environment */ -+ spin_lock_irqsave(&odev->net_lock, flags); -+ odev->rx_parse_state = WAIT_IP; -+ odev->rx_buf_size = 0; -+ odev->rx_buf_missing = sizeof(struct iphdr); -+ spin_unlock_irqrestore(&odev->net_lock, flags); -+ -+ hso_start_net_device(odev->parent); -+ -+ /* We are up and running. */ -+ set_bit(HSO_NET_RUNNING, &odev->flags); -+ -+ /* Tell the kernel we are ready to start receiving from it */ -+ netif_start_queue(net); -+ -+ return 0; -+} -+ -+/* called when interface is brought down by ifconfig */ -+static int hso_net_close(struct net_device *net) -+{ -+ struct hso_net *odev = netdev_priv(net); -+ -+ /* we don't need the queue anymore */ -+ netif_stop_queue(net); -+ /* no longer running */ -+ clear_bit(HSO_NET_RUNNING, &odev->flags); -+ -+ hso_stop_net_device(odev->parent); -+ -+ /* done */ -+ return 0; -+} -+ -+/* USB tells is xmit done, we should start the netqueue again */ -+static void write_bulk_callback(struct urb *urb) -+{ -+ struct hso_net *odev = urb->context; -+ int status = urb->status; -+ -+ /* Sanity check */ -+ if (!odev || !test_bit(HSO_NET_RUNNING, &odev->flags)) { -+ dev_err(&urb->dev->dev, "%s: device not running\n", __func__); -+ return; -+ } -+ -+ /* Do we still have a valid kernel network device? */ -+ if (!netif_device_present(odev->net)) { -+ dev_err(&urb->dev->dev, "%s: net device not present\n", -+ __func__); -+ return; -+ } -+ -+ /* log status, but don't act on it, we don't need to resubmit anything -+ * anyhow */ -+ if (status) -+ log_usb_status(status, __func__); -+ -+ hso_put_activity(odev->parent); -+ -+ /* Tell the network interface we are ready for another frame */ -+ netif_wake_queue(odev->net); -+} -+ -+/* called by kernel when we need to transmit a packet */ -+static int hso_net_start_xmit(struct sk_buff *skb, struct net_device *net) -+{ -+ struct hso_net *odev = netdev_priv(net); -+ int result; -+ -+ /* Tell the kernel, "No more frames 'til we are done with this one." */ -+ netif_stop_queue(net); -+ if (hso_get_activity(odev->parent) == -EAGAIN) { -+ odev->skb_tx_buf = skb; -+ return 0; -+ } -+ -+ /* log if asked */ -+ DUMP1(skb->data, skb->len); -+ /* Copy it from kernel memory to OUR memory */ -+ memcpy(odev->mux_bulk_tx_buf, skb->data, skb->len); -+ D1("len: %d/%d", skb->len, MUX_BULK_TX_BUF_SIZE); -+ -+ /* Fill in the URB for shipping it out. */ -+ usb_fill_bulk_urb(odev->mux_bulk_tx_urb, -+ odev->parent->usb, -+ usb_sndbulkpipe(odev->parent->usb, -+ odev->out_endp-> -+ bEndpointAddress & 0x7F), -+ odev->mux_bulk_tx_buf, skb->len, write_bulk_callback, -+ odev); -+ -+ /* Deal with the Zero Length packet problem, I hope */ -+ odev->mux_bulk_tx_urb->transfer_flags |= URB_ZERO_PACKET; -+ -+ /* Send the URB on its merry way. */ -+ result = usb_submit_urb(odev->mux_bulk_tx_urb, GFP_ATOMIC); -+ if (result) { -+ dev_warn(&odev->parent->interface->dev, -+ "failed mux_bulk_tx_urb %d", result); -+ net->stats.tx_errors++; -+ netif_start_queue(net); -+ } else { -+ net->stats.tx_packets++; -+ net->stats.tx_bytes += skb->len; -+ /* And tell the kernel when the last transmit started. */ -+ net->trans_start = jiffies; -+ } -+ dev_kfree_skb(skb); -+ /* we're done */ -+ return result; -+} -+ -+static void hso_get_drvinfo(struct net_device *net, struct ethtool_drvinfo *info) -+{ -+ struct hso_net *odev = netdev_priv(net); -+ -+ strncpy(info->driver, driver_name, ETHTOOL_BUSINFO_LEN); -+ strncpy(info->version, DRIVER_VERSION, ETHTOOL_BUSINFO_LEN); -+ usb_make_path(odev->parent->usb, info->bus_info, sizeof info->bus_info); -+} -+ -+static struct ethtool_ops ops = { -+ .get_drvinfo = hso_get_drvinfo, -+ .get_link = ethtool_op_get_link -+}; -+ -+/* called when a packet did not ack after watchdogtimeout */ -+static void hso_net_tx_timeout(struct net_device *net) -+{ -+ struct hso_net *odev = netdev_priv(net); -+ -+ if (!odev) -+ return; -+ -+ /* Tell syslog we are hosed. */ -+ dev_warn(&net->dev, "Tx timed out.\n"); -+ -+ /* Tear the waiting frame off the list */ -+ if (odev->mux_bulk_tx_urb -+ && (odev->mux_bulk_tx_urb->status == -EINPROGRESS)) -+ usb_unlink_urb(odev->mux_bulk_tx_urb); -+ -+ /* Update statistics */ -+ net->stats.tx_errors++; -+} -+ -+/* make a real packet from the received USB buffer */ -+static void packetizeRx(struct hso_net *odev, unsigned char *ip_pkt, -+ unsigned int count, unsigned char is_eop) -+{ -+ unsigned short temp_bytes; -+ unsigned short buffer_offset = 0; -+ unsigned short frame_len; -+ unsigned char *tmp_rx_buf; -+ -+ /* log if needed */ -+ D1("Rx %d bytes", count); -+ DUMP(ip_pkt, min(128, (int)count)); -+ -+ while (count) { -+ switch (odev->rx_parse_state) { -+ case WAIT_IP: -+ /* waiting for IP header. */ -+ /* wanted bytes - size of ip header */ -+ temp_bytes = -+ (count < -+ odev->rx_buf_missing) ? count : odev-> -+ rx_buf_missing; -+ -+ memcpy(((unsigned char *)(&odev->rx_ip_hdr)) + -+ odev->rx_buf_size, ip_pkt + buffer_offset, -+ temp_bytes); -+ -+ odev->rx_buf_size += temp_bytes; -+ buffer_offset += temp_bytes; -+ odev->rx_buf_missing -= temp_bytes; -+ count -= temp_bytes; -+ -+ if (!odev->rx_buf_missing) { -+ /* header is complete allocate an sk_buffer and -+ * continue to WAIT_DATA */ -+ frame_len = ntohs(odev->rx_ip_hdr.tot_len); -+ -+ if ((frame_len > DEFAULT_MRU) || -+ (frame_len < sizeof(struct iphdr))) { -+ dev_err(&odev->net->dev, -+ "Invalid frame (%d) length\n", -+ frame_len); -+ odev->rx_parse_state = WAIT_SYNC; -+ continue; -+ } -+ /* Allocate an sk_buff */ -+ odev->skb_rx_buf = dev_alloc_skb(frame_len); -+ if (!odev->skb_rx_buf) { -+ /* We got no receive buffer. */ -+ D1("could not allocate memory"); -+ odev->rx_parse_state = WAIT_SYNC; -+ return; -+ } -+ /* Here's where it came from */ -+ odev->skb_rx_buf->dev = odev->net; -+ -+ /* Copy what we got so far. make room for iphdr -+ * after tail. */ -+ tmp_rx_buf = -+ skb_put(odev->skb_rx_buf, -+ sizeof(struct iphdr)); -+ memcpy(tmp_rx_buf, (char *)&(odev->rx_ip_hdr), -+ sizeof(struct iphdr)); -+ -+ /* ETH_HLEN */ -+ odev->rx_buf_size = sizeof(struct iphdr); -+ -+ /* Filip actually use .tot_len */ -+ odev->rx_buf_missing = -+ frame_len - sizeof(struct iphdr); -+ odev->rx_parse_state = WAIT_DATA; -+ } -+ break; -+ -+ case WAIT_DATA: -+ temp_bytes = (count < odev->rx_buf_missing) -+ ? count : odev->rx_buf_missing; -+ -+ /* Copy the rest of the bytes that are left in the -+ * buffer into the waiting sk_buf. */ -+ /* Make room for temp_bytes after tail. */ -+ tmp_rx_buf = skb_put(odev->skb_rx_buf, temp_bytes); -+ memcpy(tmp_rx_buf, ip_pkt + buffer_offset, temp_bytes); -+ -+ odev->rx_buf_missing -= temp_bytes; -+ count -= temp_bytes; -+ buffer_offset += temp_bytes; -+ odev->rx_buf_size += temp_bytes; -+ if (!odev->rx_buf_missing) { -+ /* Packet is complete. Inject into stack. */ -+ /* We have IP packet here */ -+ odev->skb_rx_buf->protocol = -+ __constant_htons(ETH_P_IP); -+ /* don't check it */ -+ odev->skb_rx_buf->ip_summed = -+ CHECKSUM_UNNECESSARY; -+ -+ skb_reset_mac_header(odev->skb_rx_buf); -+ -+ /* Ship it off to the kernel */ -+ netif_rx(odev->skb_rx_buf); -+ /* No longer our buffer. */ -+ odev->skb_rx_buf = NULL; -+ -+ /* update out statistics */ -+ odev->net->stats.rx_packets++; -+ -+ odev->net->stats.rx_bytes += odev->rx_buf_size; -+ -+ odev->rx_buf_size = 0; -+ odev->rx_buf_missing = sizeof(struct iphdr); -+ odev->rx_parse_state = WAIT_IP; -+ } -+ break; -+ -+ case WAIT_SYNC: -+ D1(" W_S"); -+ count = 0; -+ break; -+ default: -+ D1(" "); -+ count--; -+ break; -+ } -+ } -+ -+ /* Recovery mechanism for WAIT_SYNC state. */ -+ if (is_eop) { -+ if (odev->rx_parse_state == WAIT_SYNC) { -+ odev->rx_parse_state = WAIT_IP; -+ odev->rx_buf_size = 0; -+ odev->rx_buf_missing = sizeof(struct iphdr); -+ } -+ } -+} -+ -+/* Moving data from usb to kernel (in interrupt state) */ -+static void read_bulk_callback(struct urb *urb) -+{ -+ struct hso_net *odev = urb->context; -+ struct net_device *net; -+ int result; -+ int status = urb->status; -+ -+ /* is al ok? (Filip: Who's Al ?) */ -+ if (status) { -+ log_usb_status(status, __func__); -+ return; -+ } -+ -+ /* Sanity check */ -+ if (!odev || !test_bit(HSO_NET_RUNNING, &odev->flags)) { -+ D1("BULK IN callback but driver is not active!"); -+ return; -+ } -+ usb_mark_last_busy(urb->dev); -+ -+ net = odev->net; -+ -+ if (!netif_device_present(net)) { -+ /* Somebody killed our network interface... */ -+ return; -+ } -+ -+ if (odev->parent->port_spec & HSO_INFO_CRC_BUG) { -+ u32 rest; -+ u8 crc_check[4] = { 0xDE, 0xAD, 0xBE, 0xEF }; -+ rest = urb->actual_length % odev->in_endp->wMaxPacketSize; -+ if (((rest == 5) || (rest == 6)) -+ && !memcmp(((u8 *) urb->transfer_buffer) + -+ urb->actual_length - 4, crc_check, 4)) { -+ urb->actual_length -= 4; -+ } -+ } -+ -+ /* do we even have a packet? */ -+ if (urb->actual_length) { -+ /* Handle the IP stream, add header and push it onto network -+ * stack if the packet is complete. */ -+ spin_lock(&odev->net_lock); -+ packetizeRx(odev, urb->transfer_buffer, urb->actual_length, -+ (urb->transfer_buffer_length > -+ urb->actual_length) ? 1 : 0); -+ spin_unlock(&odev->net_lock); -+ } -+ -+ /* We are done with this URB, resubmit it. Prep the USB to wait for -+ * another frame. Reuse same as received. */ -+ usb_fill_bulk_urb(urb, -+ odev->parent->usb, -+ usb_rcvbulkpipe(odev->parent->usb, -+ odev->in_endp-> -+ bEndpointAddress & 0x7F), -+ urb->transfer_buffer, MUX_BULK_RX_BUF_SIZE, -+ read_bulk_callback, odev); -+ -+ /* Give this to the USB subsystem so it can tell us when more data -+ * arrives. */ -+ result = usb_submit_urb(urb, GFP_ATOMIC); -+ if (result) -+ dev_warn(&odev->parent->interface->dev, -+ "%s failed submit mux_bulk_rx_urb %d", __func__, -+ result); -+} -+ -+/* Serial driver functions */ -+ -+static void _hso_serial_set_termios(struct tty_struct *tty, -+ struct ktermios *old) -+{ -+ struct hso_serial *serial = get_serial_by_tty(tty); -+ struct ktermios *termios; -+ -+ if ((!tty) || (!tty->termios) || (!serial)) { -+ printk(KERN_ERR "%s: no tty structures", __func__); -+ return; -+ } -+ -+ D4("port %d", serial->minor); -+ -+ /* -+ * The default requirements for this device are: -+ */ -+ termios = tty->termios; -+ termios->c_iflag &= -+ ~(IGNBRK /* disable ignore break */ -+ | BRKINT /* disable break causes interrupt */ -+ | PARMRK /* disable mark parity errors */ -+ | ISTRIP /* disable clear high bit of input characters */ -+ | INLCR /* disable translate NL to CR */ -+ | IGNCR /* disable ignore CR */ -+ | ICRNL /* disable translate CR to NL */ -+ | IXON); /* disable enable XON/XOFF flow control */ -+ -+ /* disable postprocess output characters */ -+ termios->c_oflag &= ~OPOST; -+ -+ termios->c_lflag &= -+ ~(ECHO /* disable echo input characters */ -+ | ECHONL /* disable echo new line */ -+ | ICANON /* disable erase, kill, werase, and rprnt -+ special characters */ -+ | ISIG /* disable interrupt, quit, and suspend special -+ characters */ -+ | IEXTEN); /* disable non-POSIX special characters */ -+ -+ termios->c_cflag &= -+ ~(CSIZE /* no size */ -+ | PARENB /* disable parity bit */ -+ | CBAUD /* clear current baud rate */ -+ | CBAUDEX); /* clear current buad rate */ -+ -+ termios->c_cflag |= CS8; /* character size 8 bits */ -+ -+ /* baud rate 115200 */ -+ tty_encode_baud_rate(serial->tty, 115200, 115200); -+ -+ /* -+ * Force low_latency on; otherwise the pushes are scheduled; -+ * this is bad as it opens up the possibility of dropping bytes -+ * on the floor. We don't want to drop bytes on the floor. :) -+ */ -+ serial->tty->low_latency = 1; -+ return; -+} -+ -+/* open the requested serial port */ -+static int hso_serial_open(struct tty_struct *tty, struct file *filp) -+{ -+ struct hso_serial *serial = get_serial_by_index(tty->index); -+ int result; -+ -+ /* sanity check */ -+ if (serial == NULL || serial->magic != HSO_SERIAL_MAGIC) { -+ tty->driver_data = NULL; -+ D1("Failed to open port"); -+ return -ENODEV; -+ } -+ -+ mutex_lock(&serial->parent->mutex); -+ result = usb_autopm_get_interface(serial->parent->interface); -+ if (result < 0) -+ goto err_out; -+ -+ D1("Opening %d", serial->minor); -+ kref_get(&serial->parent->ref); -+ -+ /* setup */ -+ tty->driver_data = serial; -+ serial->tty = tty; -+ -+ /* check for port allready opened, if not set the termios */ -+ serial->open_count++; -+ if (serial->open_count == 1) { -+ tty->low_latency = 1; -+ serial->flags = 0; -+ /* Force default termio settings */ -+ _hso_serial_set_termios(tty, NULL); -+ result = hso_start_serial_device(serial->parent, GFP_KERNEL); -+ if (result) { -+ hso_stop_serial_device(serial->parent); -+ serial->open_count--; -+ kref_put(&serial->parent->ref, hso_serial_ref_free); -+ } -+ } else { -+ D1("Port was already open"); -+ } -+ -+ usb_autopm_put_interface(serial->parent->interface); -+ -+ /* done */ -+ if (result) -+ hso_serial_tiocmset(tty, NULL, TIOCM_RTS | TIOCM_DTR, 0); -+err_out: -+ mutex_unlock(&serial->parent->mutex); -+ return result; -+} -+ -+/* close the requested serial port */ -+static void hso_serial_close(struct tty_struct *tty, struct file *filp) -+{ -+ struct hso_serial *serial = tty->driver_data; -+ u8 usb_gone; -+ -+ D1("Closing serial port"); -+ -+ mutex_lock(&serial->parent->mutex); -+ usb_gone = serial->parent->usb_gone; -+ -+ if (!usb_gone) -+ usb_autopm_get_interface(serial->parent->interface); -+ -+ /* reset the rts and dtr */ -+ /* do the actual close */ -+ serial->open_count--; -+ if (serial->open_count <= 0) { -+ kref_put(&serial->parent->ref, hso_serial_ref_free); -+ serial->open_count = 0; -+ if (serial->tty) { -+ serial->tty->driver_data = NULL; -+ serial->tty = NULL; -+ } -+ if (!usb_gone) -+ hso_stop_serial_device(serial->parent); -+ } -+ if (!usb_gone) -+ usb_autopm_put_interface(serial->parent->interface); -+ mutex_unlock(&serial->parent->mutex); -+} -+ -+/* close the requested serial port */ -+static int hso_serial_write(struct tty_struct *tty, const unsigned char *buf, -+ int count) -+{ -+ struct hso_serial *serial = get_serial_by_tty(tty); -+ int space, tx_bytes; -+ unsigned long flags; -+ -+ /* sanity check */ -+ if (serial == NULL) { -+ printk(KERN_ERR "%s: serial is NULL\n", __func__); -+ return -ENODEV; -+ } -+ -+ spin_lock_irqsave(&serial->serial_lock, flags); -+ -+ space = serial->tx_data_length - serial->tx_buffer_count; -+ tx_bytes = (count < space) ? count : space; -+ -+ if (!tx_bytes) -+ goto out; -+ -+ memcpy(serial->tx_buffer + serial->tx_buffer_count, buf, tx_bytes); -+ serial->tx_buffer_count += tx_bytes; -+ -+out: -+ spin_unlock_irqrestore(&serial->serial_lock, flags); -+ -+ hso_kick_transmit(serial); -+ /* done */ -+ return tx_bytes; -+} -+ -+/* how much room is there for writing */ -+static int hso_serial_write_room(struct tty_struct *tty) -+{ -+ struct hso_serial *serial = get_serial_by_tty(tty); -+ int room; -+ unsigned long flags; -+ -+ spin_lock_irqsave(&serial->serial_lock, flags); -+ room = serial->tx_data_length - serial->tx_buffer_count; -+ spin_unlock_irqrestore(&serial->serial_lock, flags); -+ -+ /* return free room */ -+ return room; -+} -+ -+/* setup the term */ -+static void hso_serial_set_termios(struct tty_struct *tty, struct ktermios *old) -+{ -+ struct hso_serial *serial = get_serial_by_tty(tty); -+ unsigned long flags; -+ -+ if (old) -+ D5("Termios called with: cflags new[%d] - old[%d]", -+ tty->termios->c_cflag, old->c_cflag); -+ -+ /* the actual setup */ -+ spin_lock_irqsave(&serial->serial_lock, flags); -+ if (serial->open_count) -+ _hso_serial_set_termios(tty, old); -+ else -+ tty->termios = old; -+ spin_unlock_irqrestore(&serial->serial_lock, flags); -+ -+ /* done */ -+ return; -+} -+ -+/* how many characters in the buffer */ -+static int hso_serial_chars_in_buffer(struct tty_struct *tty) -+{ -+ struct hso_serial *serial = get_serial_by_tty(tty); -+ int chars; -+ unsigned long flags; -+ -+ /* sanity check */ -+ if (serial == NULL) -+ return 0; -+ -+ spin_lock_irqsave(&serial->serial_lock, flags); -+ chars = serial->tx_buffer_count; -+ spin_unlock_irqrestore(&serial->serial_lock, flags); -+ -+ return chars; -+} -+ -+static int hso_serial_tiocmget(struct tty_struct *tty, struct file *file) -+{ -+ unsigned int value; -+ struct hso_serial *serial = get_serial_by_tty(tty); -+ unsigned long flags; -+ -+ /* sanity check */ -+ if (!serial) { -+ D1("no tty structures"); -+ return -EINVAL; -+ } -+ -+ spin_lock_irqsave(&serial->serial_lock, flags); -+ value = ((serial->rts_state) ? TIOCM_RTS : 0) | -+ ((serial->dtr_state) ? TIOCM_DTR : 0); -+ spin_unlock_irqrestore(&serial->serial_lock, flags); -+ -+ return value; -+} -+ -+static int hso_serial_tiocmset(struct tty_struct *tty, struct file *file, -+ unsigned int set, unsigned int clear) -+{ -+ int val = 0; -+ unsigned long flags; -+ int if_num; -+ struct hso_serial *serial = get_serial_by_tty(tty); -+ -+ /* sanity check */ -+ if (!serial) { -+ D1("no tty structures"); -+ return -EINVAL; -+ } -+ if_num = serial->parent->interface->altsetting->desc.bInterfaceNumber; -+ -+ spin_lock_irqsave(&serial->serial_lock, flags); -+ if (set & TIOCM_RTS) -+ serial->rts_state = 1; -+ if (set & TIOCM_DTR) -+ serial->dtr_state = 1; -+ -+ if (clear & TIOCM_RTS) -+ serial->rts_state = 0; -+ if (clear & TIOCM_DTR) -+ serial->dtr_state = 0; -+ -+ if (serial->dtr_state) -+ val |= 0x01; -+ if (serial->rts_state) -+ val |= 0x02; -+ -+ spin_unlock_irqrestore(&serial->serial_lock, flags); -+ -+ return usb_control_msg(serial->parent->usb, -+ usb_rcvctrlpipe(serial->parent->usb, 0), 0x22, -+ 0x21, val, if_num, NULL, 0, -+ USB_CTRL_SET_TIMEOUT); -+} -+ -+/* starts a transmit */ -+static void hso_kick_transmit(struct hso_serial *serial) -+{ -+ u8 *temp; -+ unsigned long flags; -+ int res; -+ -+ spin_lock_irqsave(&serial->serial_lock, flags); -+ if (!serial->tx_buffer_count) -+ goto out; -+ -+ if (serial->tx_urb_used) -+ goto out; -+ -+ /* Wakeup USB interface if necessary */ -+ if (hso_get_activity(serial->parent) == -EAGAIN) -+ goto out; -+ -+ /* Switch pointers around to avoid memcpy */ -+ temp = serial->tx_buffer; -+ serial->tx_buffer = serial->tx_data; -+ serial->tx_data = temp; -+ serial->tx_data_count = serial->tx_buffer_count; -+ serial->tx_buffer_count = 0; -+ -+ /* If temp is set, it means we switched buffers */ -+ if (temp && serial->write_data) { -+ res = serial->write_data(serial); -+ if (res >= 0) -+ serial->tx_urb_used = 1; -+ } -+out: -+ spin_unlock_irqrestore(&serial->serial_lock, flags); -+} -+ -+/* make a request (for reading and writing data to muxed serial port) */ -+static int mux_device_request(struct hso_serial *serial, u8 type, u16 port, -+ struct urb *ctrl_urb, -+ struct usb_ctrlrequest *ctrl_req, -+ u8 *ctrl_urb_data, u32 size) -+{ -+ int result; -+ int pipe; -+ -+ /* Sanity check */ -+ if (!serial || !ctrl_urb || !ctrl_req) { -+ printk(KERN_ERR "%s: Wrong arguments\n", __func__); -+ return -EINVAL; -+ } -+ -+ /* initialize */ -+ ctrl_req->wValue = 0; -+ ctrl_req->wIndex = hso_port_to_mux(port); -+ ctrl_req->wLength = size; -+ -+ if (type == USB_CDC_GET_ENCAPSULATED_RESPONSE) { -+ /* Reading command */ -+ ctrl_req->bRequestType = USB_DIR_IN | -+ USB_TYPE_OPTION_VENDOR | -+ USB_RECIP_INTERFACE; -+ ctrl_req->bRequest = USB_CDC_GET_ENCAPSULATED_RESPONSE; -+ pipe = usb_rcvctrlpipe(serial->parent->usb, 0); -+ } else { -+ /* Writing command */ -+ ctrl_req->bRequestType = USB_DIR_OUT | -+ USB_TYPE_OPTION_VENDOR | -+ USB_RECIP_INTERFACE; -+ ctrl_req->bRequest = USB_CDC_SEND_ENCAPSULATED_COMMAND; -+ pipe = usb_sndctrlpipe(serial->parent->usb, 0); -+ } -+ /* syslog */ -+ D2("%s command (%02x) len: %d, port: %d", -+ type == USB_CDC_GET_ENCAPSULATED_RESPONSE ? "Read" : "Write", -+ ctrl_req->bRequestType, ctrl_req->wLength, port); -+ -+ /* Load ctrl urb */ -+ ctrl_urb->transfer_flags = 0; -+ usb_fill_control_urb(ctrl_urb, -+ serial->parent->usb, -+ pipe, -+ (u8 *) ctrl_req, -+ ctrl_urb_data, size, ctrl_callback, serial); -+ /* Send it on merry way */ -+ result = usb_submit_urb(ctrl_urb, GFP_ATOMIC); -+ if (result) { -+ dev_err(&ctrl_urb->dev->dev, -+ "%s failed submit ctrl_urb %d type %d", __func__, -+ result, type); -+ return result; -+ } -+ -+ /* done */ -+ return size; -+} -+ -+/* called by intr_callback when read occurs */ -+static int hso_mux_serial_read(struct hso_serial *serial) -+{ -+ if (!serial) -+ return -EINVAL; -+ -+ /* clean data */ -+ memset(serial->rx_data[0], 0, CTRL_URB_RX_SIZE); -+ /* make the request */ -+ -+ if (serial->num_rx_urbs != 1) { -+ dev_err(&serial->parent->interface->dev, -+ "ERROR: mux'd reads with multiple buffers " -+ "not possible\n"); -+ return 0; -+ } -+ return mux_device_request(serial, -+ USB_CDC_GET_ENCAPSULATED_RESPONSE, -+ serial->parent->port_spec & HSO_PORT_MASK, -+ serial->rx_urb[0], -+ &serial->ctrl_req_rx, -+ serial->rx_data[0], serial->rx_data_length); -+} -+ -+/* used for muxed serial port callback (muxed serial read) */ -+static void intr_callback(struct urb *urb) -+{ -+ struct hso_shared_int *shared_int = urb->context; -+ struct hso_serial *serial; -+ unsigned char *port_req; -+ int status = urb->status; -+ int i; -+ -+ usb_mark_last_busy(urb->dev); -+ -+ /* sanity check */ -+ if (!shared_int) -+ return; -+ -+ /* status check */ -+ if (status) { -+ log_usb_status(status, __func__); -+ return; -+ } -+ D4("\n--- Got intr callback 0x%02X ---", status); -+ -+ /* what request? */ -+ port_req = urb->transfer_buffer; -+ D4(" port_req = 0x%.2X\n", *port_req); -+ /* loop over all muxed ports to find the one sending this */ -+ for (i = 0; i < 8; i++) { -+ /* max 8 channels on MUX */ -+ if (*port_req & (1 << i)) { -+ serial = get_serial_by_shared_int_and_type(shared_int, -+ (1 << i)); -+ if (serial != NULL) { -+ D1("Pending read interrupt on port %d\n", i); -+ if (!test_and_set_bit(HSO_SERIAL_FLAG_RX_SENT, -+ &serial->flags)) { -+ /* Setup and send a ctrl req read on -+ * port i */ -+ hso_mux_serial_read(serial); -+ } else { -+ D1("Already pending a read on " -+ "port %d\n", i); -+ } -+ } -+ } -+ } -+ /* Resubmit interrupt urb */ -+ hso_mux_submit_intr_urb(shared_int, urb->dev, GFP_ATOMIC); -+} -+ -+/* called for writing to muxed serial port */ -+static int hso_mux_serial_write_data(struct hso_serial *serial) -+{ -+ if (NULL == serial) -+ return -EINVAL; -+ -+ return mux_device_request(serial, -+ USB_CDC_SEND_ENCAPSULATED_COMMAND, -+ serial->parent->port_spec & HSO_PORT_MASK, -+ serial->tx_urb, -+ &serial->ctrl_req_tx, -+ serial->tx_data, serial->tx_data_count); -+} -+ -+/* write callback for Diag and CS port */ -+static void hso_std_serial_write_bulk_callback(struct urb *urb) -+{ -+ struct hso_serial *serial = urb->context; -+ int status = urb->status; -+ -+ /* sanity check */ -+ if (!serial) { -+ D1("serial == NULL"); -+ return; -+ } -+ -+ spin_lock(&serial->serial_lock); -+ serial->tx_urb_used = 0; -+ spin_unlock(&serial->serial_lock); -+ if (status) { -+ log_usb_status(status, __func__); -+ return; -+ } -+ hso_put_activity(serial->parent); -+ tty_wakeup(serial->tty); -+ hso_kick_transmit(serial); -+ -+ D1(" "); -+ return; -+} -+ -+/* called for writing diag or CS serial port */ -+static int hso_std_serial_write_data(struct hso_serial *serial) -+{ -+ int count = serial->tx_data_count; -+ int result; -+ -+ usb_fill_bulk_urb(serial->tx_urb, -+ serial->parent->usb, -+ usb_sndbulkpipe(serial->parent->usb, -+ serial->out_endp-> -+ bEndpointAddress & 0x7F), -+ serial->tx_data, serial->tx_data_count, -+ hso_std_serial_write_bulk_callback, serial); -+ -+ result = usb_submit_urb(serial->tx_urb, GFP_ATOMIC); -+ if (result) { -+ dev_warn(&serial->parent->usb->dev, -+ "Failed to submit urb - res %d\n", result); -+ return result; -+ } -+ -+ return count; -+} -+ -+/* callback after read or write on muxed serial port */ -+static void ctrl_callback(struct urb *urb) -+{ -+ struct hso_serial *serial = urb->context; -+ struct usb_ctrlrequest *req; -+ int status = urb->status; -+ -+ /* sanity check */ -+ if (!serial) -+ return; -+ -+ spin_lock(&serial->serial_lock); -+ serial->tx_urb_used = 0; -+ spin_unlock(&serial->serial_lock); -+ if (status) { -+ log_usb_status(status, __func__); -+ return; -+ } -+ -+ /* what request? */ -+ req = (struct usb_ctrlrequest *)(urb->setup_packet); -+ D4("\n--- Got muxed ctrl callback 0x%02X ---", status); -+ D4("Actual length of urb = %d\n", urb->actual_length); -+ DUMP1(urb->transfer_buffer, urb->actual_length); -+ -+ if (req->bRequestType == -+ (USB_DIR_IN | USB_TYPE_OPTION_VENDOR | USB_RECIP_INTERFACE)) { -+ /* response to a read command */ -+ if (serial->open_count > 0) { -+ /* handle RX data the normal way */ -+ put_rxbuf_data(urb, serial); -+ } -+ -+ /* Re issue a read as long as we receive data. */ -+ if (urb->actual_length != 0) -+ hso_mux_serial_read(serial); -+ else -+ clear_bit(HSO_SERIAL_FLAG_RX_SENT, &serial->flags); -+ } else { -+ hso_put_activity(serial->parent); -+ tty_wakeup(serial->tty); -+ /* response to a write command */ -+ hso_kick_transmit(serial); -+ } -+} -+ -+/* handle RX data for serial port */ -+static void put_rxbuf_data(struct urb *urb, struct hso_serial *serial) -+{ -+ struct tty_struct *tty = serial->tty; -+ -+ /* Sanity check */ -+ if (urb == NULL || serial == NULL) { -+ D1("serial = NULL"); -+ return; -+ } -+ -+ /* Push data to tty */ -+ if (tty && urb->actual_length) { -+ D1("data to push to tty"); -+ tty_insert_flip_string(tty, urb->transfer_buffer, -+ urb->actual_length); -+ tty_flip_buffer_push(tty); -+ } -+} -+ -+/* read callback for Diag and CS port */ -+static void hso_std_serial_read_bulk_callback(struct urb *urb) -+{ -+ struct hso_serial *serial = urb->context; -+ int result; -+ int status = urb->status; -+ -+ /* sanity check */ -+ if (!serial) { -+ D1("serial == NULL"); -+ return; -+ } else if (status) { -+ log_usb_status(status, __func__); -+ return; -+ } -+ -+ D4("\n--- Got serial_read_bulk callback %02x ---", status); -+ D1("Actual length = %d\n", urb->actual_length); -+ DUMP1(urb->transfer_buffer, urb->actual_length); -+ -+ /* Anyone listening? */ -+ if (serial->open_count == 0) -+ return; -+ -+ if (status == 0) { -+ if (serial->parent->port_spec & HSO_INFO_CRC_BUG) { -+ u32 rest; -+ u8 crc_check[4] = { 0xDE, 0xAD, 0xBE, 0xEF }; -+ rest = -+ urb->actual_length % -+ serial->in_endp->wMaxPacketSize; -+ if (((rest == 5) || (rest == 6)) -+ && !memcmp(((u8 *) urb->transfer_buffer) + -+ urb->actual_length - 4, crc_check, 4)) { -+ urb->actual_length -= 4; -+ } -+ } -+ /* Valid data, handle RX data */ -+ put_rxbuf_data(urb, serial); -+ } else if (status == -ENOENT || status == -ECONNRESET) { -+ /* Unlinked - check for throttled port. */ -+ D2("Port %d, successfully unlinked urb", serial->minor); -+ } else { -+ D2("Port %d, status = %d for read urb", serial->minor, status); -+ return; -+ } -+ -+ usb_mark_last_busy(urb->dev); -+ -+ /* We are done with this URB, resubmit it. Prep the USB to wait for -+ * another frame */ -+ usb_fill_bulk_urb(urb, serial->parent->usb, -+ usb_rcvbulkpipe(serial->parent->usb, -+ serial->in_endp-> -+ bEndpointAddress & 0x7F), -+ urb->transfer_buffer, serial->rx_data_length, -+ hso_std_serial_read_bulk_callback, serial); -+ /* Give this to the USB subsystem so it can tell us when more data -+ * arrives. */ -+ result = usb_submit_urb(urb, GFP_ATOMIC); -+ if (result) { -+ dev_err(&urb->dev->dev, "%s failed submit serial rx_urb %d", -+ __func__, result); -+ } -+} -+ -+/* Base driver functions */ -+ -+static void hso_log_port(struct hso_device *hso_dev) -+{ -+ char *port_type; -+ char port_dev[20]; -+ -+ switch (hso_dev->port_spec & HSO_PORT_MASK) { -+ case HSO_PORT_CONTROL: -+ port_type = "Control"; -+ break; -+ case HSO_PORT_APP: -+ port_type = "Application"; -+ break; -+ case HSO_PORT_GPS: -+ port_type = "GPS"; -+ break; -+ case HSO_PORT_GPS_CONTROL: -+ port_type = "GPS control"; -+ break; -+ case HSO_PORT_APP2: -+ port_type = "Application2"; -+ break; -+ case HSO_PORT_PCSC: -+ port_type = "PCSC"; -+ break; -+ case HSO_PORT_DIAG: -+ port_type = "Diagnostic"; -+ break; -+ case HSO_PORT_DIAG2: -+ port_type = "Diagnostic2"; -+ break; -+ case HSO_PORT_MODEM: -+ port_type = "Modem"; -+ break; -+ case HSO_PORT_NETWORK: -+ port_type = "Network"; -+ break; -+ default: -+ port_type = "Unknown"; -+ break; -+ } -+ if ((hso_dev->port_spec & HSO_PORT_MASK) == HSO_PORT_NETWORK) { -+ sprintf(port_dev, "%s", dev2net(hso_dev)->net->name); -+ } else -+ sprintf(port_dev, "/dev/%s%d", tty_filename, -+ dev2ser(hso_dev)->minor); -+ -+ dev_dbg(&hso_dev->interface->dev, "HSO: Found %s port %s\n", -+ port_type, port_dev); -+} -+ -+static int hso_start_net_device(struct hso_device *hso_dev) -+{ -+ int i, result = 0; -+ struct hso_net *hso_net = dev2net(hso_dev); -+ -+ if (!hso_net) -+ return -ENODEV; -+ -+ /* send URBs for all read buffers */ -+ for (i = 0; i < MUX_BULK_RX_BUF_COUNT; i++) { -+ -+ /* Prep a receive URB */ -+ usb_fill_bulk_urb(hso_net->mux_bulk_rx_urb_pool[i], -+ hso_dev->usb, -+ usb_rcvbulkpipe(hso_dev->usb, -+ hso_net->in_endp-> -+ bEndpointAddress & 0x7F), -+ hso_net->mux_bulk_rx_buf_pool[i], -+ MUX_BULK_RX_BUF_SIZE, read_bulk_callback, -+ hso_net); -+ -+ /* Put it out there so the device can send us stuff */ -+ result = usb_submit_urb(hso_net->mux_bulk_rx_urb_pool[i], -+ GFP_NOIO); -+ if (result) -+ dev_warn(&hso_dev->usb->dev, -+ "%s failed mux_bulk_rx_urb[%d] %d\n", __func__, -+ i, result); -+ } -+ -+ return result; -+} -+ -+static int hso_stop_net_device(struct hso_device *hso_dev) -+{ -+ int i; -+ struct hso_net *hso_net = dev2net(hso_dev); -+ -+ if (!hso_net) -+ return -ENODEV; -+ -+ for (i = 0; i < MUX_BULK_RX_BUF_COUNT; i++) { -+ if (hso_net->mux_bulk_rx_urb_pool[i]) -+ usb_kill_urb(hso_net->mux_bulk_rx_urb_pool[i]); -+ -+ } -+ if (hso_net->mux_bulk_tx_urb) -+ usb_kill_urb(hso_net->mux_bulk_tx_urb); -+ -+ return 0; -+} -+ -+static int hso_start_serial_device(struct hso_device *hso_dev, gfp_t flags) -+{ -+ int i, result = 0; -+ struct hso_serial *serial = dev2ser(hso_dev); -+ -+ if (!serial) -+ return -ENODEV; -+ -+ /* If it is not the MUX port fill in and submit a bulk urb (already -+ * allocated in hso_serial_start) */ -+ if (!(serial->parent->port_spec & HSO_INTF_MUX)) { -+ for (i = 0; i < serial->num_rx_urbs; i++) { -+ usb_fill_bulk_urb(serial->rx_urb[i], -+ serial->parent->usb, -+ usb_rcvbulkpipe(serial->parent->usb, -+ serial->in_endp-> -+ bEndpointAddress & -+ 0x7F), -+ serial->rx_data[i], -+ serial->rx_data_length, -+ hso_std_serial_read_bulk_callback, -+ serial); -+ result = usb_submit_urb(serial->rx_urb[i], flags); -+ if (result) { -+ dev_warn(&serial->parent->usb->dev, -+ "Failed to submit urb - res %d\n", -+ result); -+ break; -+ } -+ } -+ } else { -+ mutex_lock(&serial->shared_int->shared_int_lock); -+ if (!serial->shared_int->use_count) { -+ result = -+ hso_mux_submit_intr_urb(serial->shared_int, -+ hso_dev->usb, flags); -+ } -+ serial->shared_int->use_count++; -+ mutex_unlock(&serial->shared_int->shared_int_lock); -+ } -+ -+ return result; -+} -+ -+static int hso_stop_serial_device(struct hso_device *hso_dev) -+{ -+ int i; -+ struct hso_serial *serial = dev2ser(hso_dev); -+ -+ if (!serial) -+ return -ENODEV; -+ -+ for (i = 0; i < serial->num_rx_urbs; i++) { -+ if (serial->rx_urb[i]) -+ usb_kill_urb(serial->rx_urb[i]); -+ } -+ -+ if (serial->tx_urb) -+ usb_kill_urb(serial->tx_urb); -+ -+ if (serial->shared_int) { -+ mutex_lock(&serial->shared_int->shared_int_lock); -+ if (serial->shared_int->use_count && -+ (--serial->shared_int->use_count == 0)) { -+ struct urb *urb; -+ -+ urb = serial->shared_int->shared_intr_urb; -+ if (urb) -+ usb_kill_urb(urb); -+ } -+ mutex_unlock(&serial->shared_int->shared_int_lock); -+ } -+ -+ return 0; -+} -+ -+static void hso_serial_common_free(struct hso_serial *serial) -+{ -+ int i; -+ -+ if (serial->parent->dev) -+ device_remove_file(serial->parent->dev, &dev_attr_hsotype); -+ -+ tty_unregister_device(tty_drv, serial->minor); -+ -+ for (i = 0; i < serial->num_rx_urbs; i++) { -+ /* unlink and free RX URB */ -+ usb_free_urb(serial->rx_urb[i]); -+ /* free the RX buffer */ -+ kfree(serial->rx_data[i]); -+ } -+ -+ /* unlink and free TX URB */ -+ usb_free_urb(serial->tx_urb); -+ kfree(serial->tx_data); -+} -+ -+static int hso_serial_common_create(struct hso_serial *serial, int num_urbs, -+ int rx_size, int tx_size) -+{ -+ struct device *dev; -+ int minor; -+ int i; -+ -+ minor = get_free_serial_index(); -+ if (minor < 0) -+ goto exit; -+ -+ /* register our minor number */ -+ serial->parent->dev = tty_register_device(tty_drv, minor, -+ &serial->parent->interface->dev); -+ dev = serial->parent->dev; -+ dev->driver_data = serial->parent; -+ i = device_create_file(dev, &dev_attr_hsotype); -+ -+ /* fill in specific data for later use */ -+ serial->minor = minor; -+ serial->magic = HSO_SERIAL_MAGIC; -+ spin_lock_init(&serial->serial_lock); -+ serial->num_rx_urbs = num_urbs; -+ -+ /* RX, allocate urb and initialize */ -+ -+ /* prepare our RX buffer */ -+ serial->rx_data_length = rx_size; -+ for (i = 0; i < serial->num_rx_urbs; i++) { -+ serial->rx_urb[i] = usb_alloc_urb(0, GFP_KERNEL); -+ if (!serial->rx_urb[i]) { -+ dev_err(dev, "Could not allocate urb?\n"); -+ goto exit; -+ } -+ serial->rx_urb[i]->transfer_buffer = NULL; -+ serial->rx_urb[i]->transfer_buffer_length = 0; -+ serial->rx_data[i] = kzalloc(serial->rx_data_length, -+ GFP_KERNEL); -+ if (!serial->rx_data[i]) { -+ dev_err(dev, "%s - Out of memory\n", __func__); -+ goto exit; -+ } -+ } -+ -+ /* TX, allocate urb and initialize */ -+ serial->tx_urb = usb_alloc_urb(0, GFP_KERNEL); -+ if (!serial->tx_urb) { -+ dev_err(dev, "Could not allocate urb?\n"); -+ goto exit; -+ } -+ serial->tx_urb->transfer_buffer = NULL; -+ serial->tx_urb->transfer_buffer_length = 0; -+ /* prepare our TX buffer */ -+ serial->tx_data_count = 0; -+ serial->tx_buffer_count = 0; -+ serial->tx_data_length = tx_size; -+ serial->tx_data = kzalloc(serial->tx_data_length, GFP_KERNEL); -+ if (!serial->tx_data) { -+ dev_err(dev, "%s - Out of memory", __func__); -+ goto exit; -+ } -+ serial->tx_buffer = kzalloc(serial->tx_data_length, GFP_KERNEL); -+ if (!serial->tx_buffer) { -+ dev_err(dev, "%s - Out of memory", __func__); -+ goto exit; -+ } -+ -+ return 0; -+exit: -+ hso_serial_common_free(serial); -+ return -1; -+} -+ -+/* Frees a general hso device */ -+static void hso_free_device(struct hso_device *hso_dev) -+{ -+ kfree(hso_dev); -+} -+ -+/* Creates a general hso device */ -+static struct hso_device *hso_create_device(struct usb_interface *intf, -+ int port_spec) -+{ -+ struct hso_device *hso_dev; -+ -+ hso_dev = kzalloc(sizeof(*hso_dev), GFP_ATOMIC); -+ if (!hso_dev) -+ return NULL; -+ -+ hso_dev->port_spec = port_spec; -+ hso_dev->usb = interface_to_usbdev(intf); -+ hso_dev->interface = intf; -+ kref_init(&hso_dev->ref); -+ mutex_init(&hso_dev->mutex); -+ -+ INIT_WORK(&hso_dev->async_get_intf, async_get_intf); -+ INIT_WORK(&hso_dev->async_put_intf, async_put_intf); -+ -+ return hso_dev; -+} -+ -+/* Removes a network device in the network device table */ -+static int remove_net_device(struct hso_device *hso_dev) -+{ -+ int i; -+ -+ for (i = 0; i < HSO_MAX_NET_DEVICES; i++) { -+ if (network_table[i] == hso_dev) { -+ network_table[i] = NULL; -+ break; -+ } -+ } -+ if (i == HSO_MAX_NET_DEVICES) -+ return -1; -+ return 0; -+} -+ -+/* Frees our network device */ -+static void hso_free_net_device(struct hso_device *hso_dev) -+{ -+ int i; -+ struct hso_net *hso_net = dev2net(hso_dev); -+ -+ if (!hso_net) -+ return; -+ -+ /* start freeing */ -+ for (i = 0; i < MUX_BULK_RX_BUF_COUNT; i++) { -+ usb_free_urb(hso_net->mux_bulk_rx_urb_pool[i]); -+ kfree(hso_net->mux_bulk_rx_buf_pool[i]); -+ } -+ usb_free_urb(hso_net->mux_bulk_tx_urb); -+ kfree(hso_net->mux_bulk_tx_buf); -+ -+ remove_net_device(hso_net->parent); -+ -+ if (hso_net->net) { -+ unregister_netdev(hso_net->net); -+ free_netdev(hso_net->net); -+ } -+ -+ hso_free_device(hso_dev); -+} -+ -+/* initialize the network interface */ -+static void hso_net_init(struct net_device *net) -+{ -+ struct hso_net *hso_net = netdev_priv(net); -+ -+ D1("sizeof hso_net is %d", (int)sizeof(*hso_net)); -+ -+ /* fill in the other fields */ -+ net->open = hso_net_open; -+ net->stop = hso_net_close; -+ net->hard_start_xmit = hso_net_start_xmit; -+ net->tx_timeout = hso_net_tx_timeout; -+ net->watchdog_timeo = HSO_NET_TX_TIMEOUT; -+ net->flags = IFF_POINTOPOINT | IFF_NOARP | IFF_MULTICAST; -+ net->type = ARPHRD_NONE; -+ net->mtu = DEFAULT_MTU - 14; -+ net->tx_queue_len = 10; -+ SET_ETHTOOL_OPS(net, &ops); -+ -+ /* and initialize the semaphore */ -+ spin_lock_init(&hso_net->net_lock); -+} -+ -+/* Adds a network device in the network device table */ -+static int add_net_device(struct hso_device *hso_dev) -+{ -+ int i; -+ -+ for (i = 0; i < HSO_MAX_NET_DEVICES; i++) { -+ if (network_table[i] == NULL) { -+ network_table[i] = hso_dev; -+ break; -+ } -+ } -+ if (i == HSO_MAX_NET_DEVICES) -+ return -1; -+ return 0; -+} -+ -+static int hso_radio_toggle(void *data, enum rfkill_state state) -+{ -+ struct hso_device *hso_dev = data; -+ int enabled = (state == RFKILL_STATE_ON); -+ int rv; -+ -+ mutex_lock(&hso_dev->mutex); -+ if (hso_dev->usb_gone) -+ rv = 0; -+ else -+ rv = usb_control_msg(hso_dev->usb, usb_rcvctrlpipe(hso_dev->usb, 0), -+ enabled ? 0x82 : 0x81, 0x40, 0, 0, NULL, 0, -+ USB_CTRL_SET_TIMEOUT); -+ mutex_unlock(&hso_dev->mutex); -+ return rv; -+} -+ -+/* Creates and sets up everything for rfkill */ -+static void hso_create_rfkill(struct hso_device *hso_dev, -+ struct usb_interface *interface) -+{ -+ struct hso_net *hso_net = dev2net(hso_dev); -+ struct device *dev = hso_dev->dev; -+ char *rfkn; -+ -+ hso_net->rfkill = rfkill_allocate(&interface_to_usbdev(interface)->dev, -+ RFKILL_TYPE_WLAN); -+ if (!hso_net->rfkill) { -+ dev_err(dev, "%s - Out of memory", __func__); -+ return; -+ } -+ rfkn = kzalloc(20, GFP_KERNEL); -+ if (!rfkn) { -+ rfkill_free(hso_net->rfkill); -+ dev_err(dev, "%s - Out of memory", __func__); -+ return; -+ } -+ snprintf(rfkn, 20, "hso-%d", -+ interface->altsetting->desc.bInterfaceNumber); -+ hso_net->rfkill->name = rfkn; -+ hso_net->rfkill->state = RFKILL_STATE_ON; -+ hso_net->rfkill->data = hso_dev; -+ hso_net->rfkill->toggle_radio = hso_radio_toggle; -+ if (rfkill_register(hso_net->rfkill) < 0) { -+ kfree(rfkn); -+ hso_net->rfkill->name = NULL; -+ rfkill_free(hso_net->rfkill); -+ dev_err(dev, "%s - Failed to register rfkill", __func__); -+ return; -+ } -+} -+ -+/* Creates our network device */ -+static struct hso_device *hso_create_net_device(struct usb_interface *interface) -+{ -+ int result, i; -+ struct net_device *net; -+ struct hso_net *hso_net; -+ struct hso_device *hso_dev; -+ -+ hso_dev = hso_create_device(interface, HSO_INTF_MUX | HSO_PORT_NETWORK); -+ if (!hso_dev) -+ return NULL; -+ -+ /* allocate our network device, then we can put in our private data */ -+ /* call hso_net_init to do the basic initialization */ -+ net = alloc_netdev(sizeof(struct hso_net), "hso%d", hso_net_init); -+ if (!net) { -+ dev_err(&interface->dev, "Unable to create ethernet device\n"); -+ goto exit; -+ } -+ -+ hso_net = netdev_priv(net); -+ -+ hso_dev->port_data.dev_net = hso_net; -+ hso_net->net = net; -+ hso_net->parent = hso_dev; -+ -+ hso_net->in_endp = hso_get_ep(interface, USB_ENDPOINT_XFER_BULK, -+ USB_DIR_IN); -+ if (!hso_net->in_endp) { -+ dev_err(&interface->dev, "Can't find BULK IN endpoint\n"); -+ goto exit; -+ } -+ hso_net->out_endp = hso_get_ep(interface, USB_ENDPOINT_XFER_BULK, -+ USB_DIR_OUT); -+ if (!hso_net->out_endp) { -+ dev_err(&interface->dev, "Can't find BULK OUT endpoint\n"); -+ goto exit; -+ } -+ SET_NETDEV_DEV(net, &interface->dev); -+ -+ /* registering our net device */ -+ result = register_netdev(net); -+ if (result) { -+ dev_err(&interface->dev, "Failed to register device\n"); -+ goto exit; -+ } -+ -+ /* start allocating */ -+ for (i = 0; i < MUX_BULK_RX_BUF_COUNT; i++) { -+ hso_net->mux_bulk_rx_urb_pool[i] = usb_alloc_urb(0, GFP_KERNEL); -+ if (!hso_net->mux_bulk_rx_urb_pool[i]) { -+ dev_err(&interface->dev, "Could not allocate rx urb\n"); -+ goto exit; -+ } -+ hso_net->mux_bulk_rx_buf_pool[i] = kzalloc(MUX_BULK_RX_BUF_SIZE, -+ GFP_KERNEL); -+ if (!hso_net->mux_bulk_rx_buf_pool[i]) { -+ dev_err(&interface->dev, "Could not allocate rx buf\n"); -+ goto exit; -+ } -+ } -+ hso_net->mux_bulk_tx_urb = usb_alloc_urb(0, GFP_KERNEL); -+ if (!hso_net->mux_bulk_tx_urb) { -+ dev_err(&interface->dev, "Could not allocate tx urb\n"); -+ goto exit; -+ } -+ hso_net->mux_bulk_tx_buf = kzalloc(MUX_BULK_TX_BUF_SIZE, GFP_KERNEL); -+ if (!hso_net->mux_bulk_tx_buf) { -+ dev_err(&interface->dev, "Could not allocate tx buf\n"); -+ goto exit; -+ } -+ -+ add_net_device(hso_dev); -+ -+ hso_log_port(hso_dev); -+ -+ hso_create_rfkill(hso_dev, interface); -+ -+ return hso_dev; -+exit: -+ hso_free_net_device(hso_dev); -+ return NULL; -+} -+ -+/* Frees an AT channel ( goes for both mux and non-mux ) */ -+static void hso_free_serial_device(struct hso_device *hso_dev) -+{ -+ struct hso_serial *serial = dev2ser(hso_dev); -+ -+ if (!serial) -+ return; -+ set_serial_by_index(serial->minor, NULL); -+ -+ hso_serial_common_free(serial); -+ -+ if (serial->shared_int) { -+ mutex_lock(&serial->shared_int->shared_int_lock); -+ if (--serial->shared_int->ref_count == 0) -+ hso_free_shared_int(serial->shared_int); -+ else -+ mutex_unlock(&serial->shared_int->shared_int_lock); -+ } -+ kfree(serial); -+ hso_free_device(hso_dev); -+} -+ -+/* Creates a bulk AT channel */ -+static struct hso_device *hso_create_bulk_serial_device( -+ struct usb_interface *interface, int port) -+{ -+ struct hso_device *hso_dev; -+ struct hso_serial *serial; -+ int num_urbs; -+ -+ hso_dev = hso_create_device(interface, port); -+ if (!hso_dev) -+ return NULL; -+ -+ serial = kzalloc(sizeof(*serial), GFP_KERNEL); -+ if (!serial) -+ goto exit; -+ -+ serial->parent = hso_dev; -+ hso_dev->port_data.dev_serial = serial; -+ -+ if (port & HSO_PORT_MODEM) -+ num_urbs = 2; -+ else -+ num_urbs = 1; -+ -+ if (hso_serial_common_create(serial, num_urbs, BULK_URB_RX_SIZE, -+ BULK_URB_TX_SIZE)) -+ goto exit; -+ -+ serial->in_endp = hso_get_ep(interface, USB_ENDPOINT_XFER_BULK, -+ USB_DIR_IN); -+ if (!serial->in_endp) { -+ dev_err(&interface->dev, "Failed to find BULK IN ep\n"); -+ goto exit; -+ } -+ -+ if (! -+ (serial->out_endp = -+ hso_get_ep(interface, USB_ENDPOINT_XFER_BULK, USB_DIR_OUT))) { -+ dev_err(&interface->dev, "Failed to find BULK IN ep\n"); -+ goto exit; -+ } -+ -+ serial->write_data = hso_std_serial_write_data; -+ -+ /* and record this serial */ -+ set_serial_by_index(serial->minor, serial); -+ -+ /* setup the proc dirs and files if needed */ -+ hso_log_port(hso_dev); -+ -+ /* done, return it */ -+ return hso_dev; -+exit: -+ if (hso_dev && serial) -+ hso_serial_common_free(serial); -+ kfree(serial); -+ hso_free_device(hso_dev); -+ return NULL; -+} -+ -+/* Creates a multiplexed AT channel */ -+static -+struct hso_device *hso_create_mux_serial_device(struct usb_interface *interface, -+ int port, -+ struct hso_shared_int *mux) -+{ -+ struct hso_device *hso_dev; -+ struct hso_serial *serial; -+ int port_spec; -+ -+ port_spec = HSO_INTF_MUX; -+ port_spec &= ~HSO_PORT_MASK; -+ -+ port_spec |= hso_mux_to_port(port); -+ if ((port_spec & HSO_PORT_MASK) == HSO_PORT_NO_PORT) -+ return NULL; -+ -+ hso_dev = hso_create_device(interface, port_spec); -+ if (!hso_dev) -+ return NULL; -+ -+ serial = kzalloc(sizeof(*serial), GFP_KERNEL); -+ if (!serial) -+ goto exit; -+ -+ hso_dev->port_data.dev_serial = serial; -+ serial->parent = hso_dev; -+ -+ if (hso_serial_common_create -+ (serial, 1, CTRL_URB_RX_SIZE, CTRL_URB_TX_SIZE)) -+ goto exit; -+ -+ serial->tx_data_length--; -+ serial->write_data = hso_mux_serial_write_data; -+ -+ serial->shared_int = mux; -+ mutex_lock(&serial->shared_int->shared_int_lock); -+ serial->shared_int->ref_count++; -+ mutex_unlock(&serial->shared_int->shared_int_lock); -+ -+ /* and record this serial */ -+ set_serial_by_index(serial->minor, serial); -+ -+ /* setup the proc dirs and files if needed */ -+ hso_log_port(hso_dev); -+ -+ /* done, return it */ -+ return hso_dev; -+ -+exit: -+ if (serial) { -+ tty_unregister_device(tty_drv, serial->minor); -+ kfree(serial); -+ } -+ if (hso_dev) -+ hso_free_device(hso_dev); -+ return NULL; -+ -+} -+ -+static void hso_free_shared_int(struct hso_shared_int *mux) -+{ -+ usb_free_urb(mux->shared_intr_urb); -+ kfree(mux->shared_intr_buf); -+ mutex_unlock(&mux->shared_int_lock); -+ kfree(mux); -+} -+ -+static -+struct hso_shared_int *hso_create_shared_int(struct usb_interface *interface) -+{ -+ struct hso_shared_int *mux = kzalloc(sizeof(*mux), GFP_KERNEL); -+ -+ if (!mux) -+ return NULL; -+ -+ mux->intr_endp = hso_get_ep(interface, USB_ENDPOINT_XFER_INT, -+ USB_DIR_IN); -+ if (!mux->intr_endp) { -+ dev_err(&interface->dev, "Can't find INT IN endpoint\n"); -+ goto exit; -+ } -+ -+ mux->shared_intr_urb = usb_alloc_urb(0, GFP_KERNEL); -+ if (!mux->shared_intr_urb) { -+ dev_err(&interface->dev, "Could not allocate intr urb?"); -+ goto exit; -+ } -+ mux->shared_intr_buf = kzalloc(mux->intr_endp->wMaxPacketSize, -+ GFP_KERNEL); -+ if (!mux->shared_intr_buf) { -+ dev_err(&interface->dev, "Could not allocate intr buf?"); -+ goto exit; -+ } -+ -+ mutex_init(&mux->shared_int_lock); -+ -+ return mux; -+ -+exit: -+ kfree(mux->shared_intr_buf); -+ usb_free_urb(mux->shared_intr_urb); -+ kfree(mux); -+ return NULL; -+} -+ -+/* Gets the port spec for a certain interface */ -+static int hso_get_config_data(struct usb_interface *interface) -+{ -+ struct usb_device *usbdev = interface_to_usbdev(interface); -+ u8 config_data[17]; -+ u32 if_num = interface->altsetting->desc.bInterfaceNumber; -+ s32 result; -+ -+ if (usb_control_msg(usbdev, usb_rcvctrlpipe(usbdev, 0), -+ 0x86, 0xC0, 0, 0, config_data, 17, -+ USB_CTRL_SET_TIMEOUT) != 0x11) { -+ return -EIO; -+ } -+ -+ switch (config_data[if_num]) { -+ case 0x0: -+ result = 0; -+ break; -+ case 0x1: -+ result = HSO_PORT_DIAG; -+ break; -+ case 0x2: -+ result = HSO_PORT_GPS; -+ break; -+ case 0x3: -+ result = HSO_PORT_GPS_CONTROL; -+ break; -+ case 0x4: -+ result = HSO_PORT_APP; -+ break; -+ case 0x5: -+ result = HSO_PORT_APP2; -+ break; -+ case 0x6: -+ result = HSO_PORT_CONTROL; -+ break; -+ case 0x7: -+ result = HSO_PORT_NETWORK; -+ break; -+ case 0x8: -+ result = HSO_PORT_MODEM; -+ break; -+ case 0x9: -+ result = HSO_PORT_MSD; -+ break; -+ case 0xa: -+ result = HSO_PORT_PCSC; -+ break; -+ case 0xb: -+ result = HSO_PORT_VOICE; -+ break; -+ default: -+ result = 0; -+ } -+ -+ if (result) -+ result |= HSO_INTF_BULK; -+ -+ if (config_data[16] & 0x1) -+ result |= HSO_INFO_CRC_BUG; -+ -+ return result; -+} -+ -+/* called once for each interface upon device insertion */ -+static int hso_probe(struct usb_interface *interface, -+ const struct usb_device_id *id) -+{ -+ int mux, i, if_num, port_spec; -+ unsigned char port_mask; -+ struct hso_device *hso_dev = NULL; -+ struct hso_shared_int *shared_int; -+ struct hso_device *tmp_dev = NULL; -+ -+ if_num = interface->altsetting->desc.bInterfaceNumber; -+ -+ /* Get the interface/port specification from either driver_info or from -+ * the device itself */ -+ if (id->driver_info) -+ port_spec = ((u32 *)(id->driver_info))[if_num]; -+ else -+ port_spec = hso_get_config_data(interface); -+ -+ if (interface->cur_altsetting->desc.bInterfaceClass != 0xFF) { -+ dev_err(&interface->dev, "Not our interface\n"); -+ return -ENODEV; -+ } -+ /* Check if we need to switch to alt interfaces prior to port -+ * configuration */ -+ if (interface->num_altsetting > 1) -+ usb_set_interface(interface_to_usbdev(interface), if_num, 1); -+ interface->needs_remote_wakeup = 1; -+ -+ /* Allocate new hso device(s) */ -+ switch (port_spec & HSO_INTF_MASK) { -+ case HSO_INTF_MUX: -+ if ((port_spec & HSO_PORT_MASK) == HSO_PORT_NETWORK) { -+ /* Create the network device */ -+ if (!disable_net) { -+ hso_dev = hso_create_net_device(interface); -+ if (!hso_dev) -+ goto exit; -+ tmp_dev = hso_dev; -+ } -+ } -+ -+ if (hso_get_mux_ports(interface, &port_mask)) -+ /* TODO: de-allocate everything */ -+ goto exit; -+ -+ shared_int = hso_create_shared_int(interface); -+ if (!shared_int) -+ goto exit; -+ -+ for (i = 1, mux = 0; i < 0x100; i = i << 1, mux++) { -+ if (port_mask & i) { -+ hso_dev = hso_create_mux_serial_device( -+ interface, i, shared_int); -+ if (!hso_dev) -+ goto exit; -+ } -+ } -+ -+ if (tmp_dev) -+ hso_dev = tmp_dev; -+ break; -+ -+ case HSO_INTF_BULK: -+ /* It's a regular bulk interface */ -+ if (((port_spec & HSO_PORT_MASK) == HSO_PORT_NETWORK) -+ && !disable_net) -+ hso_dev = hso_create_net_device(interface); -+ else -+ hso_dev = -+ hso_create_bulk_serial_device(interface, port_spec); -+ if (!hso_dev) -+ goto exit; -+ break; -+ default: -+ goto exit; -+ } -+ -+ usb_driver_claim_interface(&hso_driver, interface, hso_dev); -+ -+ /* save our data pointer in this device */ -+ usb_set_intfdata(interface, hso_dev); -+ -+ /* done */ -+ return 0; -+exit: -+ hso_free_interface(interface); -+ return -ENODEV; -+} -+ -+/* device removed, cleaning up */ -+static void hso_disconnect(struct usb_interface *interface) -+{ -+ hso_free_interface(interface); -+ -+ /* remove reference of our private data */ -+ usb_set_intfdata(interface, NULL); -+ -+ usb_driver_release_interface(&hso_driver, interface); -+} -+ -+static void async_get_intf(struct work_struct *data) -+{ -+ struct hso_device *hso_dev = -+ container_of(data, struct hso_device, async_get_intf); -+ usb_autopm_get_interface(hso_dev->interface); -+} -+ -+static void async_put_intf(struct work_struct *data) -+{ -+ struct hso_device *hso_dev = -+ container_of(data, struct hso_device, async_put_intf); -+ usb_autopm_put_interface(hso_dev->interface); -+} -+ -+static int hso_get_activity(struct hso_device *hso_dev) -+{ -+ if (hso_dev->usb->state == USB_STATE_SUSPENDED) { -+ if (!hso_dev->is_active) { -+ hso_dev->is_active = 1; -+ schedule_work(&hso_dev->async_get_intf); -+ } -+ } -+ -+ if (hso_dev->usb->state != USB_STATE_CONFIGURED) -+ return -EAGAIN; -+ -+ usb_mark_last_busy(hso_dev->usb); -+ -+ return 0; -+} -+ -+static int hso_put_activity(struct hso_device *hso_dev) -+{ -+ if (hso_dev->usb->state != USB_STATE_SUSPENDED) { -+ if (hso_dev->is_active) { -+ hso_dev->is_active = 0; -+ schedule_work(&hso_dev->async_put_intf); -+ return -EAGAIN; -+ } -+ } -+ hso_dev->is_active = 0; -+ return 0; -+} -+ -+/* called by kernel when we need to suspend device */ -+static int hso_suspend(struct usb_interface *iface, pm_message_t message) -+{ -+ int i, result; -+ -+ /* Stop all serial ports */ -+ for (i = 0; i < HSO_SERIAL_TTY_MINORS; i++) { -+ if (serial_table[i] && (serial_table[i]->interface == iface)) { -+ result = hso_stop_serial_device(serial_table[i]); -+ if (result) -+ goto out; -+ } -+ } -+ -+ /* Stop all network ports */ -+ for (i = 0; i < HSO_MAX_NET_DEVICES; i++) { -+ if (network_table[i] && -+ (network_table[i]->interface == iface)) { -+ result = hso_stop_net_device(network_table[i]); -+ if (result) -+ goto out; -+ } -+ } -+ -+out: -+ return 0; -+} -+ -+/* called by kernel when we need to resume device */ -+static int hso_resume(struct usb_interface *iface) -+{ -+ int i, result = 0; -+ struct hso_net *hso_net; -+ -+ /* Start all serial ports */ -+ for (i = 0; i < HSO_SERIAL_TTY_MINORS; i++) { -+ if (serial_table[i] && (serial_table[i]->interface == iface)) { -+ if (dev2ser(serial_table[i])->open_count) { -+ result = -+ hso_start_serial_device(serial_table[i], GFP_NOIO); -+ hso_kick_transmit(dev2ser(serial_table[i])); -+ if (result) -+ goto out; -+ } -+ } -+ } -+ -+ /* Start all network ports */ -+ for (i = 0; i < HSO_MAX_NET_DEVICES; i++) { -+ if (network_table[i] && -+ (network_table[i]->interface == iface)) { -+ hso_net = dev2net(network_table[i]); -+ /* First transmit any lingering data, then restart the -+ * device. */ -+ if (hso_net->skb_tx_buf) { -+ dev_dbg(&iface->dev, -+ "Transmitting lingering data\n"); -+ hso_net_start_xmit(hso_net->skb_tx_buf, -+ hso_net->net); -+ } -+ result = hso_start_net_device(network_table[i]); -+ if (result) -+ goto out; -+ } -+ } -+ -+out: -+ return result; -+} -+ -+static void hso_serial_ref_free(struct kref *ref) -+{ -+ struct hso_device *hso_dev = container_of(ref, struct hso_device, ref); -+ -+ hso_free_serial_device(hso_dev); -+} -+ -+static void hso_free_interface(struct usb_interface *interface) -+{ -+ struct hso_serial *hso_dev; -+ int i; -+ -+ for (i = 0; i < HSO_SERIAL_TTY_MINORS; i++) { -+ if (serial_table[i] -+ && (serial_table[i]->interface == interface)) { -+ hso_dev = dev2ser(serial_table[i]); -+ if (hso_dev->tty) -+ tty_hangup(hso_dev->tty); -+ mutex_lock(&hso_dev->parent->mutex); -+ hso_dev->parent->usb_gone = 1; -+ mutex_unlock(&hso_dev->parent->mutex); -+ kref_put(&serial_table[i]->ref, hso_serial_ref_free); -+ } -+ } -+ -+ for (i = 0; i < HSO_MAX_NET_DEVICES; i++) { -+ if (network_table[i] -+ && (network_table[i]->interface == interface)) { -+ struct rfkill *rfk = dev2net(network_table[i])->rfkill; -+ /* hso_stop_net_device doesn't stop the net queue since -+ * traffic needs to start it again when suspended */ -+ netif_stop_queue(dev2net(network_table[i])->net); -+ hso_stop_net_device(network_table[i]); -+ cancel_work_sync(&network_table[i]->async_put_intf); -+ cancel_work_sync(&network_table[i]->async_get_intf); -+ if(rfk) -+ rfkill_unregister(rfk); -+ hso_free_net_device(network_table[i]); -+ } -+ } -+} -+ -+/* Helper functions */ -+ -+/* Get the endpoint ! */ -+static struct usb_endpoint_descriptor *hso_get_ep(struct usb_interface *intf, -+ int type, int dir) -+{ -+ int i; -+ struct usb_host_interface *iface = intf->cur_altsetting; -+ struct usb_endpoint_descriptor *endp; -+ -+ for (i = 0; i < iface->desc.bNumEndpoints; i++) { -+ endp = &iface->endpoint[i].desc; -+ if (((endp->bEndpointAddress & USB_ENDPOINT_DIR_MASK) == dir) && -+ ((endp->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) == type)) -+ return endp; -+ } -+ -+ return NULL; -+} -+ -+/* Get the byte that describes which ports are enabled */ -+static int hso_get_mux_ports(struct usb_interface *intf, unsigned char *ports) -+{ -+ int i; -+ struct usb_host_interface *iface = intf->cur_altsetting; -+ -+ if (iface->extralen == 3) { -+ *ports = iface->extra[2]; -+ return 0; -+ } -+ -+ for (i = 0; i < iface->desc.bNumEndpoints; i++) { -+ if (iface->endpoint[i].extralen == 3) { -+ *ports = iface->endpoint[i].extra[2]; -+ return 0; -+ } -+ } -+ -+ return -1; -+} -+ -+/* interrupt urb needs to be submitted, used for serial read of muxed port */ -+static int hso_mux_submit_intr_urb(struct hso_shared_int *shared_int, -+ struct usb_device *usb, gfp_t gfp) -+{ -+ int result; -+ -+ usb_fill_int_urb(shared_int->shared_intr_urb, usb, -+ usb_rcvintpipe(usb, -+ shared_int->intr_endp->bEndpointAddress & 0x7F), -+ shared_int->shared_intr_buf, -+ shared_int->intr_endp->wMaxPacketSize, -+ intr_callback, shared_int, -+ shared_int->intr_endp->bInterval); -+ -+ result = usb_submit_urb(shared_int->shared_intr_urb, gfp); -+ if (result) -+ dev_warn(&usb->dev, "%s failed mux_intr_urb %d", __func__, -+ result); -+ -+ return result; -+} -+ -+/* operations setup of the serial interface */ -+static struct tty_operations hso_serial_ops = { -+ .open = hso_serial_open, -+ .close = hso_serial_close, -+ .write = hso_serial_write, -+ .write_room = hso_serial_write_room, -+ .set_termios = hso_serial_set_termios, -+ .chars_in_buffer = hso_serial_chars_in_buffer, -+ .tiocmget = hso_serial_tiocmget, -+ .tiocmset = hso_serial_tiocmset, -+}; -+ -+static struct usb_driver hso_driver = { -+ .name = driver_name, -+ .probe = hso_probe, -+ .disconnect = hso_disconnect, -+ .id_table = hso_ids, -+ .suspend = hso_suspend, -+ .resume = hso_resume, -+ .supports_autosuspend = 1, -+}; -+ -+static int __init hso_init(void) -+{ -+ int i; -+ int result; -+ -+ /* put it in the log */ -+ printk(KERN_INFO "hso: %s\n", version); -+ -+ /* Initialise the serial table semaphore and table */ -+ spin_lock_init(&serial_table_lock); -+ for (i = 0; i < HSO_SERIAL_TTY_MINORS; i++) -+ serial_table[i] = NULL; -+ -+ /* allocate our driver using the proper amount of supported minors */ -+ tty_drv = alloc_tty_driver(HSO_SERIAL_TTY_MINORS); -+ if (!tty_drv) -+ return -ENOMEM; -+ -+ /* fill in all needed values */ -+ tty_drv->magic = TTY_DRIVER_MAGIC; -+ tty_drv->owner = THIS_MODULE; -+ tty_drv->driver_name = driver_name; -+ tty_drv->name = tty_filename; -+ -+ /* if major number is provided as parameter, use that one */ -+ if (tty_major) -+ tty_drv->major = tty_major; -+ -+ tty_drv->minor_start = 0; -+ tty_drv->num = HSO_SERIAL_TTY_MINORS; -+ tty_drv->type = TTY_DRIVER_TYPE_SERIAL; -+ tty_drv->subtype = SERIAL_TYPE_NORMAL; -+ tty_drv->flags = TTY_DRIVER_REAL_RAW | TTY_DRIVER_DYNAMIC_DEV; -+ tty_drv->init_termios = tty_std_termios; -+ tty_drv->init_termios.c_cflag = B9600 | CS8 | CREAD | HUPCL | CLOCAL; -+ tty_drv->termios = hso_serial_termios; -+ tty_drv->termios_locked = hso_serial_termios_locked; -+ tty_set_operations(tty_drv, &hso_serial_ops); -+ -+ /* register the tty driver */ -+ result = tty_register_driver(tty_drv); -+ if (result) { -+ printk(KERN_ERR "%s - tty_register_driver failed(%d)\n", -+ __func__, result); -+ return result; -+ } -+ -+ /* register this module as an usb driver */ -+ result = usb_register(&hso_driver); -+ if (result) { -+ printk(KERN_ERR "Could not register hso driver? error: %d\n", -+ result); -+ /* cleanup serial interface */ -+ tty_unregister_driver(tty_drv); -+ return result; -+ } -+ -+ /* done */ -+ return 0; -+} -+ -+static void __exit hso_exit(void) -+{ -+ printk(KERN_INFO "hso: unloaded\n"); -+ -+ tty_unregister_driver(tty_drv); -+ /* deregister the usb driver */ -+ usb_deregister(&hso_driver); -+} -+ -+/* Module definitions */ -+module_init(hso_init); -+module_exit(hso_exit); -+ -+MODULE_AUTHOR(MOD_AUTHOR); -+MODULE_DESCRIPTION(MOD_DESCRIPTION); -+MODULE_LICENSE(MOD_LICENSE); -+MODULE_INFO(Version, DRIVER_VERSION); -+ -+/* change the debug level (eg: insmod hso.ko debug=0x04) */ -+MODULE_PARM_DESC(debug, "Level of debug [0x01 | 0x02 | 0x04 | 0x08 | 0x10]"); -+module_param(debug, int, S_IRUGO | S_IWUSR); -+ -+/* set the major tty number (eg: insmod hso.ko tty_major=245) */ -+MODULE_PARM_DESC(tty_major, "Set the major tty number"); -+module_param(tty_major, int, S_IRUGO | S_IWUSR); -+ -+/* disable network interface (eg: insmod hso.ko disable_net=1) */ -+MODULE_PARM_DESC(disable_net, "Disable the network interface"); -+module_param(disable_net, int, S_IRUGO | S_IWUSR); |