|
|
@@ -0,0 +1,2915 @@
|
|
|
+From: Greg Kroah-Hartman <[email protected]>
|
|
|
+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 <[email protected]>
|
|
|
+ - Oliver Neukum <[email protected]>
|
|
|
+ - Alan Cox <[email protected]>
|
|
|
+ - Javier Marcet <[email protected]>
|
|
|
+
|
|
|
+Cc: Andrew Bird <[email protected]>
|
|
|
+Cc: Javier Marcet <[email protected]>
|
|
|
+Cc: Filip Aben <[email protected]>
|
|
|
+Cc: Paulius Zaleckas <[email protected]>
|
|
|
+Cc: Oliver Neukum <[email protected]>
|
|
|
+Acked-by: Alan Cox <[email protected]>
|
|
|
+Signed-off-by: Greg Kroah-Hartman <[email protected]>
|
|
|
+Signed-off-by: Jeff Garzik <[email protected]>
|
|
|
+---
|
|
|
+
|
|
|
+diff --git a/drivers/net/Makefile b/drivers/net/Makefile
|
|
|
+index c52738a..c96fe20 100644
|
|
|
+--- 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-$(CONFIG_USB_ZD1201) += usb/
|
|
|
+
|
|
|
+diff --git a/drivers/net/usb/Kconfig b/drivers/net/usb/Kconfig
|
|
|
+index 0604f3f..68e198b 100644
|
|
|
+--- a/drivers/net/usb/Kconfig
|
|
|
++++ b/drivers/net/usb/Kconfig
|
|
|
+@@ -154,6 +154,16 @@ config USB_NET_AX8817X
|
|
|
+ This driver creates an interface named "ethX", where X depends on
|
|
|
+ what other networking devices you have in use.
|
|
|
+
|
|
|
++config USB_HSO
|
|
|
++ tristate "Option USB High Speed Mobile Devices"
|
|
|
++ depends on USB && RFKILL
|
|
|
++ default n
|
|
|
++ help
|
|
|
++ Choose this option if you have an Option HSDPA/HSUPA card.
|
|
|
++ These cards support downlink speeds of 7.2Mbps or greater.
|
|
|
++
|
|
|
++ To compile this driver as a module, choose M here: the
|
|
|
++ module will be called hso.
|
|
|
+
|
|
|
+ config USB_NET_CDCETHER
|
|
|
+ tristate "CDC Ethernet support (smart devices such as cable modems)"
|
|
|
+diff --git a/drivers/net/usb/Makefile b/drivers/net/usb/Makefile
|
|
|
+index 595a539..24800c1 100644
|
|
|
+--- a/drivers/net/usb/Makefile
|
|
|
++++ b/drivers/net/usb/Makefile
|
|
|
+@@ -6,6 +6,7 @@ obj-$(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
|
|
|
+diff --git a/drivers/net/usb/hso.c b/drivers/net/usb/hso.c
|
|
|
+new file mode 100644
|
|
|
+index 0000000..031d07b
|
|
|
+--- /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)
|
|
|
++ * <[email protected]>
|
|
|
++ * Copyright (C) 2008 Greg Kroah-Hartman <[email protected]>
|
|
|
++ * 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);
|
Imre Kaloz