--- zzzz-none-000/linux-2.6.39.4/drivers/usb/gadget/ether.c 2011-08-03 19:43:28.000000000 +0000 +++ puma6-arm-6490-729/linux-2.6.39.4/drivers/usb/gadget/ether.c 2021-11-10 13:23:10.000000000 +0000 @@ -1,9 +1,8 @@ /* * ether.c -- Ethernet gadget driver, with CDC and non-CDC options * - * Copyright (C) 2003-2005,2008 David Brownell + * Copyright (C) 2003-2005 David Brownell * Copyright (C) 2003-2004 Robert Schwebel, Benedikt Spranger - * Copyright (C) 2008 Nokia Corporation * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -20,21 +19,145 @@ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ -/* #define VERBOSE_DEBUG */ +/* Copyright 2008, Texas Instruments Incorporated + * + * This program has been modified from its original operation by + * Texas Instruments to do the following: + * + * Explanation of modification: + * Puma5 changes/fixes + * + * + * THIS MODIFIED SOFTWARE AND DOCUMENTATION ARE PROVIDED + * "AS IS," AND TEXAS INSTRUMENTS MAKES NO REPRESENTATIONS + * OR WARRENTIES, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED + * TO, WARRANTIES OF MERCHANTABILITY OR FITNESS FOR ANY + * PARTICULAR PURPOSE OR THAT THE USE OF THE SOFTWARE OR + * DOCUMENTATION WILL NOT INFRINGE ANY THIRD PARTY PATENTS, + * COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS. + * See The GNU General Public License for more details. + * + * These changes are covered under version 2 of the GNU General Public License, + * dated June 1991. + */ +// #define DEBUG 1 +// #define VERBOSE + +#include #include +#include +#include +#include +#include +#include +#include +#include +#include +#include #include +#include +#include +#include + +#include +#include +#include +#include +#include +#include + +#include +#include +#include + +#include +#include +#include +#include +#include "gadget_chips.h" + +#define CONFIG_USB_PPD_SUPPORT +#define USB_PPD_DEBUG + +#if defined(CONFIG_ARM_AVALANCHE_PPD) && defined(CONFIG_USB_PPD_SUPPORT) + +#include + +#include + +#include +#include +extern Int32 ti_ppd_create_pid(TI_PP_PID *pid_params); +extern Int32 ti_ppd_set_pid_flags(TI_PP_PID *pid_params, Uint32 new_flags); +extern Int32 ti_ppd_delete_pid(Uint8 pid_handle); +#endif +#ifdef CONFIG_MACH_PUMA5 -#if defined USB_ETH_RNDIS -# undef USB_ETH_RNDIS + #include + #define USB_MIB_SUPPORT + #define USB_PERFCNT_SELECT +#ifdef USB_MIB_SUPPORT + #include + #include "mibIoctl.h" +static int proc_read_usb_stats(char *page, char **start, + off_t off, int count, int *eof, void *data); +static int proc_write_usb_stats(struct file *fp, const char *buf, unsigned long count, + void *data); +static int init_mib_counters(struct net_device *dev); +static int eth_ioctl(struct net_device *p_dev, struct ifreq *rq, int cmd); +static int proc_read_usb_link(char *page, char **start, + off_t off, int count, int *eof, void *data); +static int proc_read_usb_info(char *page, char **start, + off_t off, int count, int *eof, void *data); + +#ifdef USB_PERFCNT_SELECT +static int proc_read_usb_cppi(char *page, char **start, + off_t off, int count, int *eof, void *data); +static int proc_write_usb_cppi(struct file *fp, const char *buf, unsigned long count, + void *data); +#endif +static int proc_write_usb_config_mode(struct file *fp, const char *buf, unsigned long count, + void *data); +static int proc_read_usb_config_mode(char *page, char **start, + off_t off, int count, int *eof, void *data); +/* +echo 0 > /proc/avalanche/usb_config_mode will set +rndis_default_mode = 1 ( default usb configuration mode = 'A' +echo 1 > /proc/avalanche/usb_config_mode will set +rndis_default_mode = 0 ( default usb configuration mode = 'B') +*/ +int rndis_default_mode = 1; #endif -#ifdef CONFIG_USB_ETH_RNDIS -# define USB_ETH_RNDIS y +#endif +//#define USBDRV_DEBUG +#ifdef USBDRV_DEBUG +#define dprintk(x,...) printk(x, ## __VA_ARGS__) +#else +#define dprintk(x,...) #endif -#include "u_ether.h" +//#if defined(CONFIG_ARM_AVALANCHE_PPD) && defined(CONFIG_MACH_PUMA5) +#if defined(CONFIG_ARM_AVALANCHE_PPD) && defined(CONFIG_USB_PPD_SUPPORT) +#define MAX_USB_ENDPOINT 4 +#define TI_PP_PID_TYPE_USBRNDIS 3 +#define TI_PP_PID_TYPE_USBCDC 4 + +static TI_PP_PID pid_usb [MAX_USB_ENDPOINT]; +static TI_PP_VPID vpid_usb[MAX_USB_ENDPOINT][TI_PP_MAX_VPID]; + +static int usb_add_pid (int indx, int pid_type); +static int install_usb_pid (struct net_device *net, int mode, bool restore_vpids); +static int uninstall_usb_pid(struct net_device *net, int mode, bool save_vpids); + +extern Int32 ti_ppd_config_pid_range(TI_PP_PID_RANGE *pid_range); +extern Int32 ti_ppd_remove_pid_range(Uint32 port_num); +int created_usb_pidtype = 0; +#endif +extern int is_rndis_configured(int configNr); +/*-------------------------------------------------------------------------*/ /* * Ethernet gadget driver -- with CDC and non-CDC options @@ -46,84 +169,93 @@ * this USB-IF standard as its open-systems interoperability solution; * most host side USB stacks (except from Microsoft) support it. * - * This is sometimes called "CDC ECM" (Ethernet Control Model) to support - * TLA-soup. "CDC ACM" (Abstract Control Model) is for modems, and a new - * "CDC EEM" (Ethernet Emulation Model) is starting to spread. - * - * There's some hardware that can't talk CDC ECM. We make that hardware + * There's some hardware that can't talk CDC. We make that hardware * implement a "minimalist" vendor-agnostic CDC core: same framing, but - * link-level setup only requires activating the configuration. Only the - * endpoint descriptors, and product/vendor IDs, are relevant; no control - * operations are available. Linux supports it, but other host operating - * systems may not. (This is a subset of CDC Ethernet.) - * - * It turns out that if you add a few descriptors to that "CDC Subset", - * (Windows) host side drivers from MCCI can treat it as one submode of - * a proprietary scheme called "SAFE" ... without needing to know about - * specific product/vendor IDs. So we do that, making it easier to use - * those MS-Windows drivers. Those added descriptors make it resemble a - * CDC MDLM device, but they don't change device behavior at all. (See - * MCCI Engineering report 950198 "SAFE Networking Functions".) + * link-level setup only requires activating the configuration. + * Linux supports it, but other host operating systems may not. + * (This is a subset of CDC Ethernet.) * * A third option is also in use. Rather than CDC Ethernet, or something * simpler, Microsoft pushes their own approach: RNDIS. The published * RNDIS specs are ambiguous and appear to be incomplete, and are also - * needlessly complex. They borrow more from CDC ACM than CDC ECM. + * needlessly complex. */ #define DRIVER_DESC "Ethernet Gadget" -#define DRIVER_VERSION "Memorial Day 2008" - -#ifdef USB_ETH_RNDIS -#define PREFIX "RNDIS/" +#ifdef CONFIG_MACH_PUMA5 +#define DRIVER_VERSION "May 2007" #else -#define PREFIX "" +#define DRIVER_VERSION "May Day 2005" #endif +static const char shortname [] = "ether"; +static const char driver_desc [] = DRIVER_DESC; -/* - * This driver aims for interoperability by using CDC ECM unless - * - * can_support_ecm() - * - * returns false, in which case it supports the CDC Subset. By default, - * that returns true; most hardware has no problems with CDC ECM, that's - * a good default. Previous versions of this driver had no default; this - * version changes that, removing overhead for new controller support. - * - * IF YOUR HARDWARE CAN'T SUPPORT CDC ECM, UPDATE THAT ROUTINE! - */ +#define RX_EXTRA 20 /* guard against rx overflows */ -static inline bool has_rndis(void) -{ -#ifdef USB_ETH_RNDIS - return true; -#else - return false; +#include "rndis.h" + +#ifndef CONFIG_USB_ETH_RNDIS +#define rndis_uninit(x) do{}while(0) +#define rndis_deregister(c) do{}while(0) +#define rndis_exit() do{}while(0) #endif -} -/*-------------------------------------------------------------------------*/ +/* CDC and RNDIS support the same host-chosen outgoing packet filters. */ +#define DEFAULT_FILTER (USB_CDC_PACKET_TYPE_BROADCAST \ + |USB_CDC_PACKET_TYPE_ALL_MULTICAST \ + |USB_CDC_PACKET_TYPE_PROMISCUOUS \ + |USB_CDC_PACKET_TYPE_DIRECTED) -/* - * Kbuild is not very cooperative with respect to linking separately - * compiled library objects into one module. So for now we won't use - * separate compilation ... ensuring init/exit sections work to shrink - * the runtime footprint, and giving us at least some parts of what - * a "gcc --combine ... part1.c part2.c part3.c ... " build would. - */ -#include "composite.c" -#include "usbstring.c" -#include "config.c" -#include "epautoconf.c" +/*-------------------------------------------------------------------------*/ -#include "f_ecm.c" -#include "f_subset.c" -#ifdef USB_ETH_RNDIS -#include "f_rndis.c" -#include "rndis.c" +struct eth_dev { + spinlock_t lock; + struct usb_gadget *gadget; + struct usb_request *req; /* for control responses */ + struct usb_request *stat_req; /* for cdc & rndis status */ + + u8 config; + struct usb_ep *in_ep, *out_ep, *status_ep; + const struct usb_endpoint_descriptor + *in, *out, *status; + + spinlock_t req_lock; + struct list_head tx_reqs, rx_reqs; + + struct net_device *net; + struct net_device_stats stats; + atomic_t tx_qlen; + + struct work_struct work; + unsigned zlp:1; + unsigned cdc:1; + unsigned rndis:1; + unsigned suspended:1; + u16 cdc_filter; + unsigned long todo; +#define WORK_RX_MEMORY 0 + int rndis_config; + u8 host_mac [ETH_ALEN]; + +#ifdef CONFIG_MACH_PUMA5 + unsigned int rndis_configured; +#ifdef USB_MIB_SUPPORT + struct proc_dir_entry *pde; + struct proc_dir_entry *usblink_pde; + struct proc_dir_entry *usbinfo_pde; + struct proc_dir_entry *usbcppi_pde; + struct proc_dir_entry *usbixia_pde; + CDC_RNDIS_STATS ifstats; +#endif #endif -#include "f_eem.c" -#include "u_ether.c" + +}; + +/* This version autoconfigures as much as possible at run-time. + * + * It also ASSUMES a self-powered device, without remote wakeup, + * although remote wakeup support would make sense. + */ /*-------------------------------------------------------------------------*/ @@ -159,263 +291,3910 @@ #define RNDIS_VENDOR_NUM 0x0525 /* NetChip */ #define RNDIS_PRODUCT_NUM 0xa4a2 /* Ethernet/RNDIS Gadget */ -/* For EEM gadgets */ -#define EEM_VENDOR_NUM 0x1d6b /* Linux Foundation */ -#define EEM_PRODUCT_NUM 0x0102 /* EEM Gadget */ + +/* Some systems will want different product identifers published in the + * device descriptor, either numbers or strings or both. These string + * parameters are in UTF-8 (superset of ASCII's 7 bit characters). + */ + +static ushort idVendor; +module_param(idVendor, ushort, S_IRUGO); +MODULE_PARM_DESC(idVendor, "USB Vendor ID"); + +static ushort idProduct; +module_param(idProduct, ushort, S_IRUGO); +MODULE_PARM_DESC(idProduct, "USB Product ID"); + +static ushort bcdDevice; +module_param(bcdDevice, ushort, S_IRUGO); +MODULE_PARM_DESC(bcdDevice, "USB Device version (BCD)"); + +static char *iManufacturer; +module_param(iManufacturer, charp, S_IRUGO); +MODULE_PARM_DESC(iManufacturer, "USB Manufacturer string"); + +static char *iProduct; +module_param(iProduct, charp, S_IRUGO); +MODULE_PARM_DESC(iProduct, "USB Product string"); + +static char *iSerialNumber; +module_param(iSerialNumber, charp, S_IRUGO); +MODULE_PARM_DESC(iSerialNumber, "SerialNumber"); + +/* initial value, changed by "ifconfig usb0 hw ether xx:xx:xx:xx:xx:xx" */ +static char *dev_addr; +module_param(dev_addr, charp, S_IRUGO); +MODULE_PARM_DESC(dev_addr, "Device Ethernet Address"); + +/* this address is invisible to ifconfig */ +static char *host_addr; +module_param(host_addr, charp, S_IRUGO); +MODULE_PARM_DESC(host_addr, "Host Ethernet Address"); +extern char *puma5_usb_host_address; + +/*-------------------------------------------------------------------------*/ + +/* Include CDC support if we could run on CDC-capable hardware. */ + +#ifdef CONFIG_USB_GADGET_NET2280 +#define DEV_CONFIG_CDC +#endif + +#ifdef CONFIG_USB_GADGET_DUMMY_HCD +#define DEV_CONFIG_CDC +#endif + +#ifdef CONFIG_USB_GADGET_GOKU +#define DEV_CONFIG_CDC +#endif + +#ifdef CONFIG_USB_GADGET_LH7A40X +#define DEV_CONFIG_CDC +#endif + +#ifdef CONFIG_USB_GADGET_MQ11XX +#define DEV_CONFIG_CDC +#endif + +#ifdef CONFIG_USB_GADGET_OMAP +#define DEV_CONFIG_CDC +#endif + +#ifdef CONFIG_USB_GADGET_N9604 +#define DEV_CONFIG_CDC +#endif + +#ifdef CONFIG_USB_GADGET_PXA27X +#define DEV_CONFIG_CDC +#endif + +#ifdef CONFIG_USB_GADGET_AT91 +#define DEV_CONFIG_CDC +#endif + +#ifdef CONFIG_USB_GADGET_MUSBHSFC +#define DEV_CONFIG_CDC +#endif + +#ifdef CONFIG_USB_GADGET_MUSB_HDRC +#define DEV_CONFIG_CDC +#endif + + +/* For CDC-incapable hardware, choose the simple cdc subset. + * Anything that talks bulk (without notable bugs) can do this. + */ +#ifdef CONFIG_USB_GADGET_PXA2XX +#define DEV_CONFIG_SUBSET +#endif + +#ifdef CONFIG_USB_GADGET_SH +#define DEV_CONFIG_SUBSET +#endif + +#ifdef CONFIG_USB_GADGET_SA1100 +/* use non-CDC for backwards compatibility */ +#define DEV_CONFIG_SUBSET +#endif + +#ifdef CONFIG_USB_GADGET_S3C2410 +#define DEV_CONFIG_CDC +#endif + +/*-------------------------------------------------------------------------*/ + +/* "main" config is either CDC, or its simple subset */ +static inline int is_cdc(struct eth_dev *dev) +{ +#if !defined(DEV_CONFIG_SUBSET) + return 1; /* only cdc possible */ +#elif !defined (DEV_CONFIG_CDC) + return 0; /* only subset possible */ +#else + return dev->cdc; /* depends on what hardware we found */ +#endif +} + +/* "secondary" RNDIS config may sometimes be activated */ +static inline int rndis_active(struct eth_dev *dev) +{ +#ifdef CONFIG_USB_ETH_RNDIS + return dev->rndis; +#else + return 0; +#endif +} + +#define subset_active(dev) (!is_cdc(dev) && !rndis_active(dev)) +#define cdc_active(dev) ( is_cdc(dev) && !rndis_active(dev)) + + + +#define DEFAULT_QLEN 2 /* double buffering by default */ + +/* peak bulk transfer bits-per-second */ +#ifdef CONFIG_MACH_PUMA5 +#define HS_BPS (480000000) +#define FS_BPS (12000000) +#else +#define HS_BPS (13 * 512 * 8 * 1000 * 8) +#define FS_BPS (19 * 64 * 1 * 1000 * 8) +#endif + +#ifdef CONFIG_USB_GADGET_DUALSPEED +#define DEVSPEED USB_SPEED_HIGH + +static unsigned qmult = 30; +module_param (qmult, uint, S_IRUGO|S_IWUSR); + + +/* for dual-speed hardware, use deeper queues at highspeed */ +#define qlen(gadget) \ + (DEFAULT_QLEN*((gadget->speed == USB_SPEED_HIGH) ? qmult : 1)) + +/* also defer IRQs on highspeed TX */ +#define TX_DELAY qmult + +static inline int BITRATE(struct usb_gadget *g) +{ + return (g->speed == USB_SPEED_HIGH) ? HS_BPS : FS_BPS; +} + +#else /* full speed (low speed doesn't do bulk) */ +#define DEVSPEED USB_SPEED_FULL + +#define qlen(gadget) DEFAULT_QLEN + +static inline int BITRATE(struct usb_gadget *g) +{ + return FS_BPS; +} +#endif + + +/*-------------------------------------------------------------------------*/ + +#define xprintk(d,level,fmt,args...) \ + printk(level "%s: " fmt , (d)->net->name , ## args) + +#ifdef DEBUG +#undef DEBUG +#define DEBUG(dev,fmt,args...) \ + xprintk(dev , KERN_DEBUG , fmt , ## args) +#else +#define DEBUG(dev,fmt,args...) \ + do { } while (0) +#endif /* DEBUG */ + +#ifdef VERBOSE +#define VDEBUG DEBUG +#else +#define VDEBUG(dev,fmt,args...) \ + do { } while (0) +#endif /* DEBUG */ + +#define ERROR(dev,fmt,args...) \ + xprintk(dev , KERN_ERR , fmt , ## args) +#define WARN(dev,fmt,args...) \ + xprintk(dev , KERN_WARNING , fmt , ## args) +#define INFO(dev,fmt,args...) \ + xprintk(dev , KERN_INFO , fmt , ## args) /*-------------------------------------------------------------------------*/ -static struct usb_device_descriptor device_desc = { - .bLength = sizeof device_desc, - .bDescriptorType = USB_DT_DEVICE, +/* USB DRIVER HOOKUP (to the hardware driver, below us), mostly + * ep0 implementation: descriptors, config management, setup(). + * also optional class-specific notification interrupt transfer. + */ + +/* + * DESCRIPTORS ... most are static, but strings and (full) configuration + * descriptors are built on demand. For now we do either full CDC, or + * our simple subset, with RNDIS as an optional second configuration. + * + * RNDIS includes some CDC ACM descriptors ... like CDC Ethernet. But + * the class descriptors match a modem (they're ignored; it's really just + * Ethernet functionality), they don't need the NOP altsetting, and the + * status transfer endpoint isn't optional. + */ + +#define STRING_MANUFACTURER 1 +#define STRING_PRODUCT 2 +#define STRING_ETHADDR 3 +#define STRING_DATA 4 +#define STRING_CONTROL 5 +#define STRING_RNDIS_CONTROL 6 +#define STRING_CDC 7 +#define STRING_SUBSET 8 +#define STRING_RNDIS 9 +#define STRING_SERIALNUMBER 10 + +/* holds our biggest descriptor (or RNDIS response) */ +#define USB_BUFSIZ 256 - .bcdUSB = cpu_to_le16 (0x0200), +/* + * This device advertises one configuration, eth_config, unless RNDIS + * is enabled (rndis_config) on hardware supporting at least two configs. + * + * NOTE: Controllers like superh_udc should probably be able to use + * an RNDIS-only configuration. + * + * FIXME define some higher-powered configurations to make it easier + * to recharge batteries ... + */ - .bDeviceClass = USB_CLASS_COMM, - .bDeviceSubClass = 0, - .bDeviceProtocol = 0, - /* .bMaxPacketSize0 = f(hardware) */ +#define DEV_CONFIG_VALUE 1 /* cdc or subset */ +#define DEV_RNDIS_CONFIG_VALUE 2 /* rndis; optional */ - /* Vendor and product id defaults change according to what configs - * we support. (As does bNumConfigurations.) These values can - * also be overridden by module parameters. - */ - .idVendor = cpu_to_le16 (CDC_VENDOR_NUM), - .idProduct = cpu_to_le16 (CDC_PRODUCT_NUM), - /* .bcdDevice = f(hardware) */ - /* .iManufacturer = DYNAMIC */ - /* .iProduct = DYNAMIC */ - /* NO SERIAL NUMBER */ - .bNumConfigurations = 1, +static struct usb_device_descriptor +device_desc = { + .bLength = sizeof device_desc, + .bDescriptorType = USB_DT_DEVICE, + + .bcdUSB = __constant_cpu_to_le16 (0x0200), + + .bDeviceClass = USB_CLASS_COMM, + .bDeviceSubClass = 0, + .bDeviceProtocol = 0, + + .idVendor = __constant_cpu_to_le16 (CDC_VENDOR_NUM), + .idProduct = __constant_cpu_to_le16 (CDC_PRODUCT_NUM), + .iManufacturer = STRING_MANUFACTURER, + .iProduct = STRING_PRODUCT, + .bNumConfigurations = 1, }; -static struct usb_otg_descriptor otg_descriptor = { - .bLength = sizeof otg_descriptor, - .bDescriptorType = USB_DT_OTG, +static struct usb_otg_descriptor +otg_descriptor = { + .bLength = sizeof otg_descriptor, + .bDescriptorType = USB_DT_OTG, - /* REVISIT SRP-only hardware is possible, although - * it would not be called "OTG" ... - */ - .bmAttributes = USB_OTG_SRP | USB_OTG_HNP, + .bmAttributes = USB_OTG_SRP, }; -static const struct usb_descriptor_header *otg_desc[] = { - (struct usb_descriptor_header *) &otg_descriptor, - NULL, +static struct usb_config_descriptor +eth_config = { + .bLength = sizeof eth_config, + .bDescriptorType = USB_DT_CONFIG, + + /* compute wTotalLength on the fly */ + .bNumInterfaces = 2, + .bConfigurationValue = DEV_CONFIG_VALUE, + .iConfiguration = STRING_CDC, + .bmAttributes = USB_CONFIG_ATT_ONE | USB_CONFIG_ATT_SELFPOWER, + .bMaxPower = 50, }; +#ifdef CONFIG_USB_ETH_RNDIS +static struct usb_config_descriptor +rndis_config = { + .bLength = sizeof rndis_config, + .bDescriptorType = USB_DT_CONFIG, + + /* compute wTotalLength on the fly */ + .bNumInterfaces = 2, +#ifdef CONFIG_MACH_PUMA5 + .bConfigurationValue = 1, //DEV_RNDIS_CONFIG_VALUE, +#else + .bConfigurationValue = DEV_RNDIS_CONFIG_VALUE, +#endif + .iConfiguration = STRING_RNDIS, + .bmAttributes = USB_CONFIG_ATT_ONE | USB_CONFIG_ATT_SELFPOWER, + .bMaxPower = 50, +}; +#endif -/* string IDs are assigned dynamically */ +/* + * Compared to the simple CDC subset, the full CDC Ethernet model adds + * three class descriptors, two interface descriptors, optional status + * endpoint. Both have a "data" interface and two bulk endpoints. + * There are also differences in how control requests are handled. + * + * RNDIS shares a lot with CDC-Ethernet, since it's a variant of + * the CDC-ACM (modem) spec. + */ + +#ifdef DEV_CONFIG_CDC +static struct usb_interface_descriptor +control_intf = { + .bLength = sizeof control_intf, + .bDescriptorType = USB_DT_INTERFACE, + + .bInterfaceNumber = 0, + /* status endpoint is optional; this may be patched later */ + .bNumEndpoints = 1, + .bInterfaceClass = USB_CLASS_COMM, + .bInterfaceSubClass = USB_CDC_SUBCLASS_ETHERNET, + .bInterfaceProtocol = USB_CDC_PROTO_NONE, + .iInterface = STRING_CONTROL, +}; +#endif + +#ifdef CONFIG_USB_ETH_RNDIS +static const struct usb_interface_descriptor +rndis_control_intf = { + .bLength = sizeof rndis_control_intf, + .bDescriptorType = USB_DT_INTERFACE, + + .bInterfaceNumber = 0, + .bNumEndpoints = 1, + .bInterfaceClass = USB_CLASS_COMM, + .bInterfaceSubClass = USB_CDC_SUBCLASS_ACM, + .bInterfaceProtocol = USB_CDC_ACM_PROTO_VENDOR, + .iInterface = STRING_RNDIS_CONTROL, +}; +#endif + +#if defined(DEV_CONFIG_CDC) || defined(CONFIG_USB_ETH_RNDIS) + +static const struct usb_cdc_header_desc header_desc = { + .bLength = sizeof header_desc, + .bDescriptorType = USB_DT_CS_INTERFACE, + .bDescriptorSubType = USB_CDC_HEADER_TYPE, + + .bcdCDC = __constant_cpu_to_le16 (0x0110), +}; + +static const struct usb_cdc_union_desc union_desc = { + .bLength = sizeof union_desc, + .bDescriptorType = USB_DT_CS_INTERFACE, + .bDescriptorSubType = USB_CDC_UNION_TYPE, + + .bMasterInterface0 = 0, /* index of control interface */ + .bSlaveInterface0 = 1, /* index of DATA interface */ +}; + +#endif /* CDC || RNDIS */ -#define STRING_MANUFACTURER_IDX 0 -#define STRING_PRODUCT_IDX 1 +#ifdef CONFIG_USB_ETH_RNDIS -static char manufacturer[50]; +static const struct usb_cdc_call_mgmt_descriptor call_mgmt_descriptor = { + .bLength = sizeof call_mgmt_descriptor, + .bDescriptorType = USB_DT_CS_INTERFACE, + .bDescriptorSubType = USB_CDC_CALL_MANAGEMENT_TYPE, -static struct usb_string strings_dev[] = { - [STRING_MANUFACTURER_IDX].s = manufacturer, - [STRING_PRODUCT_IDX].s = PREFIX DRIVER_DESC, - { } /* end of list */ + .bmCapabilities = 0x00, + .bDataInterface = 0x01, }; -static struct usb_gadget_strings stringtab_dev = { - .language = 0x0409, /* en-us */ - .strings = strings_dev, +static const struct usb_cdc_acm_descriptor acm_descriptor = { + .bLength = sizeof acm_descriptor, + .bDescriptorType = USB_DT_CS_INTERFACE, + .bDescriptorSubType = USB_CDC_ACM_TYPE, + + .bmCapabilities = 0x00, }; -static struct usb_gadget_strings *dev_strings[] = { - &stringtab_dev, - NULL, +#endif + +#ifdef DEV_CONFIG_CDC + +static const struct usb_cdc_ether_desc ether_desc = { + .bLength = sizeof ether_desc, + .bDescriptorType = USB_DT_CS_INTERFACE, + .bDescriptorSubType = USB_CDC_ETHERNET_TYPE, + + /* this descriptor actually adds value, surprise! */ + .iMACAddress = STRING_ETHADDR, + .bmEthernetStatistics = __constant_cpu_to_le32 (0), /* no statistics */ + .wMaxSegmentSize = __constant_cpu_to_le16 (ETH_FRAME_LEN), + .wNumberMCFilters = __constant_cpu_to_le16 (0), + .bNumberPowerFilters = 0, }; -static u8 hostaddr[ETH_ALEN]; +#endif -/*-------------------------------------------------------------------------*/ +#if defined(DEV_CONFIG_CDC) || defined(CONFIG_USB_ETH_RNDIS) + +/* include the status endpoint if we can, even where it's optional. + * use wMaxPacketSize big enough to fit CDC_NOTIFY_SPEED_CHANGE in one + * packet, to simplify cancellation; and a big transfer interval, to + * waste less bandwidth. + * + * some drivers (like Linux 2.4 cdc-ether!) "need" it to exist even + * if they ignore the connect/disconnect notifications that real aether + * can provide. more advanced cdc configurations might want to support + * encapsulated commands (vendor-specific, using control-OUT). + * + * RNDIS requires the status endpoint, since it uses that encapsulation + * mechanism for its funky RPC scheme. + */ + +#define LOG2_STATUS_INTERVAL_MSEC 5 /* 1 << 5 == 32 msec */ +#define STATUS_BYTECOUNT 16 /* 8 byte header + data */ + +static struct usb_endpoint_descriptor +fs_status_desc = { + .bLength = USB_DT_ENDPOINT_SIZE, + .bDescriptorType = USB_DT_ENDPOINT, + + .bEndpointAddress = USB_DIR_IN, + .bmAttributes = USB_ENDPOINT_XFER_INT, + .wMaxPacketSize = __constant_cpu_to_le16 (STATUS_BYTECOUNT), + .bInterval = 1 << LOG2_STATUS_INTERVAL_MSEC, +}; +#endif + +#ifdef DEV_CONFIG_CDC + +/* the default data interface has no endpoints ... */ + +static const struct usb_interface_descriptor +data_nop_intf = { + .bLength = sizeof data_nop_intf, + .bDescriptorType = USB_DT_INTERFACE, + + .bInterfaceNumber = 1, + .bAlternateSetting = 0, + .bNumEndpoints = 0, + .bInterfaceClass = USB_CLASS_CDC_DATA, + .bInterfaceSubClass = 0, + .bInterfaceProtocol = 0, +}; + +/* ... but the "real" data interface has two bulk endpoints */ + +static const struct usb_interface_descriptor +data_intf = { + .bLength = sizeof data_intf, + .bDescriptorType = USB_DT_INTERFACE, + + .bInterfaceNumber = 1, + .bAlternateSetting = 1, + .bNumEndpoints = 2, + .bInterfaceClass = USB_CLASS_CDC_DATA, + .bInterfaceSubClass = 0, + .bInterfaceProtocol = 0, + .iInterface = STRING_DATA, +}; + +#endif + +#ifdef CONFIG_USB_ETH_RNDIS + +/* RNDIS doesn't activate by changing to the "real" altsetting */ + +static const struct usb_interface_descriptor +rndis_data_intf = { + .bLength = sizeof rndis_data_intf, + .bDescriptorType = USB_DT_INTERFACE, + + .bInterfaceNumber = 1, + .bAlternateSetting = 0, + .bNumEndpoints = 2, + .bInterfaceClass = USB_CLASS_CDC_DATA, + .bInterfaceSubClass = 0, + .bInterfaceProtocol = 0, + .iInterface = STRING_DATA, +}; + +#endif + +#ifdef DEV_CONFIG_SUBSET /* - * We may not have an RNDIS configuration, but if we do it needs to be - * the first one present. That's to make Microsoft's drivers happy, - * and to follow DOCSIS 1.0 (cable modem standard). + * "Simple" CDC-subset option is a simple vendor-neutral model that most + * full speed controllers can handle: one interface, two bulk endpoints. */ -static int __init rndis_do_config(struct usb_configuration *c) + +static const struct usb_interface_descriptor +subset_data_intf = { + .bLength = sizeof subset_data_intf, + .bDescriptorType = USB_DT_INTERFACE, + + .bInterfaceNumber = 0, + .bAlternateSetting = 0, + .bNumEndpoints = 2, + .bInterfaceClass = USB_CLASS_VENDOR_SPEC, + .bInterfaceSubClass = 0, + .bInterfaceProtocol = 0, + .iInterface = STRING_DATA, +}; + +#endif /* SUBSET */ + + +static struct usb_endpoint_descriptor +fs_source_desc = { + .bLength = USB_DT_ENDPOINT_SIZE, + .bDescriptorType = USB_DT_ENDPOINT, + + .bEndpointAddress = USB_DIR_IN, + .bmAttributes = USB_ENDPOINT_XFER_BULK, +}; + +static struct usb_endpoint_descriptor +fs_sink_desc = { + .bLength = USB_DT_ENDPOINT_SIZE, + .bDescriptorType = USB_DT_ENDPOINT, + + .bEndpointAddress = USB_DIR_OUT, + .bmAttributes = USB_ENDPOINT_XFER_BULK, +}; + +static const struct usb_descriptor_header *fs_eth_function [11] = { + (struct usb_descriptor_header *) &otg_descriptor, +#ifdef DEV_CONFIG_CDC + /* "cdc" mode descriptors */ + (struct usb_descriptor_header *) &control_intf, + (struct usb_descriptor_header *) &header_desc, + (struct usb_descriptor_header *) &union_desc, + (struct usb_descriptor_header *) ðer_desc, + /* NOTE: status endpoint may need to be removed */ + (struct usb_descriptor_header *) &fs_status_desc, + /* data interface, with altsetting */ + (struct usb_descriptor_header *) &data_nop_intf, + (struct usb_descriptor_header *) &data_intf, + (struct usb_descriptor_header *) &fs_source_desc, + (struct usb_descriptor_header *) &fs_sink_desc, + NULL, +#endif /* DEV_CONFIG_CDC */ +}; + +static inline void __init fs_subset_descriptors(void) { - /* FIXME alloc iConfiguration string, set it in c->strings */ +#ifdef DEV_CONFIG_SUBSET + fs_eth_function[1] = (struct usb_descriptor_header *) &subset_data_intf; + fs_eth_function[2] = (struct usb_descriptor_header *) &fs_source_desc; + fs_eth_function[3] = (struct usb_descriptor_header *) &fs_sink_desc; + fs_eth_function[4] = NULL; +#else + fs_eth_function[1] = NULL; +#endif +} - if (gadget_is_otg(c->cdev->gadget)) { - c->descriptors = otg_desc; - c->bmAttributes |= USB_CONFIG_ATT_WAKEUP; - } +#ifdef CONFIG_USB_ETH_RNDIS +static const struct usb_descriptor_header *fs_rndis_function [] = { + (struct usb_descriptor_header *) &otg_descriptor, + /* control interface matches ACM, not Ethernet */ + (struct usb_descriptor_header *) &rndis_control_intf, + (struct usb_descriptor_header *) &header_desc, + (struct usb_descriptor_header *) &call_mgmt_descriptor, + (struct usb_descriptor_header *) &acm_descriptor, + (struct usb_descriptor_header *) &union_desc, + (struct usb_descriptor_header *) &fs_status_desc, + /* data interface has no altsetting */ + (struct usb_descriptor_header *) &rndis_data_intf, + (struct usb_descriptor_header *) &fs_source_desc, + (struct usb_descriptor_header *) &fs_sink_desc, + NULL, +}; +#endif - return rndis_bind_config(c, hostaddr); +#ifdef CONFIG_USB_GADGET_DUALSPEED + +/* + * usb 2.0 devices need to expose both high speed and full speed + * descriptors, unless they only run at full speed. + */ + +#if defined(DEV_CONFIG_CDC) || defined(CONFIG_USB_ETH_RNDIS) +static struct usb_endpoint_descriptor +hs_status_desc = { + .bLength = USB_DT_ENDPOINT_SIZE, + .bDescriptorType = USB_DT_ENDPOINT, + + .bmAttributes = USB_ENDPOINT_XFER_INT, + .wMaxPacketSize = __constant_cpu_to_le16 (STATUS_BYTECOUNT), + .bInterval = LOG2_STATUS_INTERVAL_MSEC + 4, +}; +#endif /* DEV_CONFIG_CDC */ + +static struct usb_endpoint_descriptor +hs_source_desc = { + .bLength = USB_DT_ENDPOINT_SIZE, + .bDescriptorType = USB_DT_ENDPOINT, + + .bmAttributes = USB_ENDPOINT_XFER_BULK, + .wMaxPacketSize = __constant_cpu_to_le16 (512), /* max usb packet size, 128,256,512 */ +}; + +static struct usb_endpoint_descriptor +hs_sink_desc = { + .bLength = USB_DT_ENDPOINT_SIZE, + .bDescriptorType = USB_DT_ENDPOINT, + + .bmAttributes = USB_ENDPOINT_XFER_BULK, + .wMaxPacketSize = __constant_cpu_to_le16 (512), /* max usb packet size 128,256,512 */ +}; + +static struct usb_qualifier_descriptor +dev_qualifier = { + .bLength = sizeof dev_qualifier, + .bDescriptorType = USB_DT_DEVICE_QUALIFIER, + + .bcdUSB = __constant_cpu_to_le16 (0x0200), + .bDeviceClass = USB_CLASS_COMM, + + .bNumConfigurations = 1, +}; + +static const struct usb_descriptor_header *hs_eth_function [11] = { + (struct usb_descriptor_header *) &otg_descriptor, +#ifdef DEV_CONFIG_CDC + /* "cdc" mode descriptors */ + (struct usb_descriptor_header *) &control_intf, + (struct usb_descriptor_header *) &header_desc, + (struct usb_descriptor_header *) &union_desc, + (struct usb_descriptor_header *) ðer_desc, + /* NOTE: status endpoint may need to be removed */ + (struct usb_descriptor_header *) &hs_status_desc, + /* data interface, with altsetting */ + (struct usb_descriptor_header *) &data_nop_intf, + (struct usb_descriptor_header *) &data_intf, + (struct usb_descriptor_header *) &hs_source_desc, + (struct usb_descriptor_header *) &hs_sink_desc, + NULL, +#endif /* DEV_CONFIG_CDC */ +}; + +static inline void __init hs_subset_descriptors(void) +{ +#ifdef DEV_CONFIG_SUBSET + hs_eth_function[1] = (struct usb_descriptor_header *) &subset_data_intf; + hs_eth_function[2] = (struct usb_descriptor_header *) &fs_source_desc; + hs_eth_function[3] = (struct usb_descriptor_header *) &fs_sink_desc; + hs_eth_function[4] = NULL; +#else + hs_eth_function[1] = NULL; +#endif } -static struct usb_configuration rndis_config_driver = { - .label = "RNDIS", - .bConfigurationValue = 2, - /* .iConfiguration = DYNAMIC */ - .bmAttributes = USB_CONFIG_ATT_SELFPOWER, +#ifdef CONFIG_USB_ETH_RNDIS +static const struct usb_descriptor_header *hs_rndis_function [] = { + (struct usb_descriptor_header *) &otg_descriptor, + /* control interface matches ACM, not Ethernet */ + (struct usb_descriptor_header *) &rndis_control_intf, + (struct usb_descriptor_header *) &header_desc, + (struct usb_descriptor_header *) &call_mgmt_descriptor, + (struct usb_descriptor_header *) &acm_descriptor, + (struct usb_descriptor_header *) &union_desc, + (struct usb_descriptor_header *) &hs_status_desc, + /* data interface has no altsetting */ + (struct usb_descriptor_header *) &rndis_data_intf, + (struct usb_descriptor_header *) &hs_source_desc, + (struct usb_descriptor_header *) &hs_sink_desc, + NULL, }; +#endif + + +/* maxpacket and other transfer characteristics vary by speed. */ +#define ep_desc(g,hs,fs) (((g)->speed==USB_SPEED_HIGH)?(hs):(fs)) + +#else + +/* if there's no high speed support, maxpacket doesn't change. */ +#define ep_desc(g,hs,fs) (((void)(g)), (fs)) + +static inline void __init hs_subset_descriptors(void) +{ +} + +#endif /* !CONFIG_USB_GADGET_DUALSPEED */ /*-------------------------------------------------------------------------*/ -#ifdef CONFIG_USB_ETH_EEM -static int use_eem = 1; +/* descriptors that are built on-demand */ + +static char manufacturer [50]; +static char product_desc [50] = DRIVER_DESC; +static char serial_number [20]; + +#ifdef DEV_CONFIG_CDC +/* address that the host will use ... usually assigned at random */ +static char ethaddr [2 * ETH_ALEN + 1]; +#endif + +/* static strings, in UTF-8 */ +static struct usb_string strings [] = { + { STRING_MANUFACTURER, manufacturer, }, + { STRING_PRODUCT, product_desc, }, + { STRING_SERIALNUMBER, serial_number, }, +#if defined(CONFIG_MACH_PUMA5) && defined(DEFAULT_USB_DATA_IF) + { STRING_DATA, DEFAULT_USB_DATA_IF, }, +#else + { STRING_DATA, "Ethernet Data", }, +#endif +#ifdef DEV_CONFIG_CDC +#if defined(CONFIG_MACH_PUMA5) && defined(DEFAULT_USB_CONFIG) + { STRING_CDC, DEFAULT_USB_CONFIG, }, +#else + { STRING_CDC, "CDC Ethernet", }, +#endif + { STRING_ETHADDR, ethaddr, }, +#if defined(CONFIG_MACH_PUMA5) && defined(DEFAULT_USB_COMM_IF) + { STRING_CONTROL, DEFAULT_USB_COMM_IF, }, +#else + { STRING_CONTROL, "CDC Communications Control", }, +#endif +#endif +#ifdef DEV_CONFIG_SUBSET + { STRING_SUBSET, "CDC Ethernet Subset", }, +#endif +#ifdef CONFIG_USB_ETH_RNDIS +#if defined(CONFIG_MACH_PUMA5) && defined(DEFAULT_USB_CONFIG) + { STRING_RNDIS, DEFAULT_USB_CONFIG, }, +#else + { STRING_RNDIS, "RNDIS", }, +#endif +#if defined(CONFIG_MACH_PUMA5) && defined(DEFAULT_USB_COMM_IF) + { STRING_RNDIS_CONTROL, DEFAULT_USB_COMM_IF, }, #else -static int use_eem; + { STRING_RNDIS_CONTROL, "RNDIS Communications Control", }, #endif -module_param(use_eem, bool, 0); -MODULE_PARM_DESC(use_eem, "use CDC EEM mode"); +#endif + { } /* end of list */ +}; + +static struct usb_gadget_strings stringtab = { + .language = 0x0409, /* en-us */ + .strings = strings, +}; /* - * We _always_ have an ECM, CDC Subset, or EEM configuration. + * one config, two interfaces: control, data. + * complications: class descriptors, and an altsetting. */ -static int __init eth_do_config(struct usb_configuration *c) +static int +config_buf (enum usb_device_speed speed, + u8 *buf, u8 type, + unsigned index, int is_otg) { - /* FIXME alloc iConfiguration string, set it in c->strings */ + int len; + const struct usb_config_descriptor *config; + const struct usb_descriptor_header **function; +#ifdef CONFIG_USB_GADGET_DUALSPEED + int hs = (speed == USB_SPEED_HIGH); - if (gadget_is_otg(c->cdev->gadget)) { - c->descriptors = otg_desc; - c->bmAttributes |= USB_CONFIG_ATT_WAKEUP; - } - if (use_eem) - return eem_bind_config(c); - else if (can_support_ecm(c->cdev->gadget)) - return ecm_bind_config(c, hostaddr); - else - return geth_bind_config(c, hostaddr); + if (type == USB_DT_OTHER_SPEED_CONFIG) + hs = !hs; +#define which_fn(t) (hs ? hs_ ## t ## _function : fs_ ## t ## _function) +#else +#define which_fn(t) (fs_ ## t ## _function) +#endif + +#ifdef CONFIG_MACH_PUMA5 + if( !rndis_default_mode ) +#endif + if (index >= device_desc.bNumConfigurations) + return -EINVAL; + +#ifdef CONFIG_USB_ETH_RNDIS + /* list the RNDIS config first, to make Microsoft's drivers + * happy. DOCSIS 1.0 needs this too. + */ + if (device_desc.bNumConfigurations == 2 && (index == 0)) { + config = &rndis_config; + function = which_fn (rndis); + } else { +#endif + +#ifdef CONFIG_MACH_PUMA5 + if( !rndis_default_mode ){ + config = ð_config; + function = which_fn (eth); + }else { + config = &rndis_config; + function = which_fn (rndis); +#else + config = ð_config; + function = which_fn (eth); +#endif + } + } + + /* for now, don't advertise srp-only devices */ + if (!is_otg) + function++; + + len = usb_gadget_config_buf (config, buf, USB_BUFSIZ, function); + if (len < 0) + return len; + ((struct usb_config_descriptor *) buf)->bDescriptorType = type; + return len; +} + +/*-------------------------------------------------------------------------*/ + +static void eth_start (struct eth_dev *dev, gfp_t gfp_flags); +static int alloc_requests (struct eth_dev *dev, unsigned n, gfp_t gfp_flags); + +static int +set_ether_config (struct eth_dev *dev, gfp_t gfp_flags,int mode) +{ + int result = 0; + struct usb_gadget *gadget = dev->gadget; + +#if defined(DEV_CONFIG_CDC) || defined(CONFIG_USB_ETH_RNDIS) + /* status endpoint used for RNDIS and (optionally) CDC */ + if (!subset_active(dev) && dev->status_ep) { + dev->status = ep_desc (gadget, &hs_status_desc, + &fs_status_desc); + dev->status_ep->driver_data = dev; + dev->status_ep->private_data = mode; + + result = usb_ep_enable (dev->status_ep, dev->status); + if (result != 0) { + DEBUG (dev, "enable %s --> %d\n", + dev->status_ep->name, result); + goto done; + } + } +#endif + + dev->in = ep_desc (dev->gadget, &hs_source_desc, &fs_source_desc); + dev->in_ep->driver_data = dev; + dev->in_ep->private_data = mode; + + dev->out = ep_desc (dev->gadget, &hs_sink_desc, &fs_sink_desc); + dev->out_ep->driver_data = dev; + dev->out_ep->private_data = mode; + + /* With CDC, the host isn't allowed to use these two data + * endpoints in the default altsetting for the interface. + * so we don't activate them yet. Reset from SET_INTERFACE. + * + * Strictly speaking RNDIS should work the same: activation is + * a side effect of setting a packet filter. Deactivation is + * from REMOTE_NDIS_HALT_MSG, reset from REMOTE_NDIS_RESET_MSG. + */ + if (!cdc_active(dev)) { + result = usb_ep_enable (dev->in_ep, dev->in); + if (result != 0) { + DEBUG(dev, "enable %s --> %d\n", + dev->in_ep->name, result); + goto done; + } + + result = usb_ep_enable (dev->out_ep, dev->out); + if (result != 0) { + DEBUG (dev, "enable %s --> %d\n", + dev->out_ep->name, result); + goto done; + } + } + +done: + if (result == 0) + result = alloc_requests (dev, qlen (gadget), gfp_flags); + + /* on error, disable any endpoints */ + if (result < 0) { + if (!subset_active(dev)) + (void) usb_ep_disable (dev->status_ep); + dev->status = NULL; + (void) usb_ep_disable (dev->in_ep); + (void) usb_ep_disable (dev->out_ep); + dev->in = NULL; + dev->out = NULL; + } else + + /* activate non-CDC configs right away + * this isn't strictly according to the RNDIS spec + */ + if (!cdc_active (dev)) { + netif_carrier_on (dev->net); + if (netif_running (dev->net)) { + spin_unlock (&dev->lock); + eth_start (dev, GFP_ATOMIC); + spin_lock (&dev->lock); + } + } + + if (result == 0) + DEBUG (dev, "qlen %d\n", qlen (gadget)); + + /* caller is responsible for cleanup on error */ + return result; +} + +static void eth_reset_config (struct eth_dev *dev) +{ + struct usb_request *req; + + if (dev->config == 0) + return; + + DEBUG (dev, "%s\n", __FUNCTION__); + + netif_stop_queue (dev->net); + netif_carrier_off (dev->net); + rndis_uninit(dev->rndis_config); + + /* disable endpoints, forcing (synchronous) completion of + * pending i/o. then free the requests. + */ + if (dev->in) { + usb_ep_disable (dev->in_ep); + spin_lock(&dev->req_lock); + while (likely (!list_empty (&dev->tx_reqs))) { + req = container_of (dev->tx_reqs.next, + struct usb_request, list); + list_del (&req->list); + + spin_unlock(&dev->req_lock); + usb_ep_free_request (dev->in_ep, req); + spin_lock(&dev->req_lock); + } + spin_unlock(&dev->req_lock); + } + + if (dev->out) { + usb_ep_disable (dev->out_ep); + spin_lock(&dev->req_lock); + while (likely (!list_empty (&dev->rx_reqs))) { + req = container_of (dev->rx_reqs.next, + struct usb_request, list); + list_del (&req->list); + + spin_unlock(&dev->req_lock); + usb_ep_free_request (dev->out_ep, req); + spin_lock(&dev->req_lock); + } + spin_unlock(&dev->req_lock); + } + + if (dev->status) { + usb_ep_disable (dev->status_ep); + } + dev->rndis = 0; + dev->cdc_filter = 0; + dev->config = 0; +} + +/* change our operational config. must agree with the code + * that returns config descriptors, and altsetting code. + */ +static int +eth_set_config (struct eth_dev *dev, unsigned number, gfp_t gfp_flags) +{ + int result = 0; + struct usb_gadget *gadget = dev->gadget; + int mode = 0; + +#if 0 + if (gadget_is_sa1100 (gadget) + && dev->config + && atomic_read (&dev->tx_qlen) != 0) { + /* tx fifo is full, but we can't clear it...*/ + INFO (dev, "can't change configurations\n"); + return -ESPIPE; + } +#endif + eth_reset_config (dev); + + switch (number) { + case DEV_CONFIG_VALUE: +#ifdef CONFIG_MACH_PUMA5 + if( rndis_default_mode ){ + dev->rndis = 1; + dev->cdc_filter = 0x2b; + mode = DEV_RNDIS_CONFIG_VALUE; + }else + mode = DEV_CONFIG_VALUE; +#endif + result = set_ether_config (dev, gfp_flags,mode); + break; +#ifdef CONFIG_USB_ETH_RNDIS + case DEV_RNDIS_CONFIG_VALUE: + dev->rndis = 1; + mode = DEV_RNDIS_CONFIG_VALUE; + result = set_ether_config (dev, gfp_flags,mode); + break; +#endif + default: + result = -EINVAL; + /* FALL THROUGH */ + case 0: + break; + } + + if (result) { + if (number) + eth_reset_config (dev); + usb_gadget_vbus_draw(dev->gadget, + dev->gadget->is_otg ? 8 : 100); + } else { + char *speed; + unsigned power; + + power = 2 * eth_config.bMaxPower; + usb_gadget_vbus_draw(dev->gadget, power); + + switch (gadget->speed) { + case USB_SPEED_FULL: speed = "full"; break; +#ifdef CONFIG_USB_GADGET_DUALSPEED + case USB_SPEED_HIGH: speed = "high"; break; +#endif + default: speed = "?"; break; + } + + dev->config = number; + INFO (dev, "%s speed config #%d: %d mA, %s, using %s\n", + speed, number, power, driver_desc, + rndis_active(dev) + ? "RNDIS" + : (cdc_active(dev) + ? "CDC Ethernet" + : "CDC Ethernet Subset")); + } + return result; +} + +/*-------------------------------------------------------------------------*/ + +#ifdef DEV_CONFIG_CDC + +/* The interrupt endpoint is used in CDC networking models (Ethernet, ATM) + * only to notify the host about link status changes (which we support) or + * report completion of some encapsulated command (as used in RNDIS). Since + * we want this CDC Ethernet code to be vendor-neutral, we don't use that + * command mechanism; and only one status request is ever queued. + */ + +static void eth_status_complete (struct usb_ep *ep, struct usb_request *req) +{ + struct usb_cdc_notification *event = req->buf; + int value = req->status; + struct eth_dev *dev = ep->driver_data; + + /* issue the second notification if host reads the first */ + if (event->bNotificationType == USB_CDC_NOTIFY_NETWORK_CONNECTION + && value == 0) { + __le32 *data = req->buf + sizeof *event; + + event->bmRequestType = 0xA1; + event->bNotificationType = USB_CDC_NOTIFY_SPEED_CHANGE; + event->wValue = __constant_cpu_to_le16 (0); + event->wIndex = __constant_cpu_to_le16 (1); + event->wLength = __constant_cpu_to_le16 (8); + + /* SPEED_CHANGE data is up/down speeds in bits/sec */ + data [0] = data [1] = cpu_to_le32 (BITRATE (dev->gadget)); + + req->length = STATUS_BYTECOUNT; + value = usb_ep_queue (ep, req, GFP_ATOMIC); + DEBUG (dev, "send SPEED_CHANGE --> %d\n", value); + if (value == 0) + return; + } else if (value != -ECONNRESET) + DEBUG (dev, "event %02x --> %d\n", + event->bNotificationType, value); + req->context = NULL; +} + +static void issue_start_status (struct eth_dev *dev) +{ + struct usb_request *req = dev->stat_req; + struct usb_cdc_notification *event; + int value; + + DEBUG (dev, "%s, flush old status first\n", __FUNCTION__); + + /* flush old status + * + * FIXME ugly idiom, maybe we'd be better with just + * a "cancel the whole queue" primitive since any + * unlink-one primitive has way too many error modes. + * here, we "know" toggle is already clear... + * + * FIXME iff req->context != null just dequeue it + */ + +#ifndef CONFIG_MACH_PUMA5 + usb_ep_disable (dev->status_ep); + usb_ep_enable (dev->status_ep, dev->status); +#endif + /* 3.8.1 says to issue first NETWORK_CONNECTION, then + * a SPEED_CHANGE. could be useful in some configs. + */ + event = req->buf; + event->bmRequestType = 0xA1; + event->bNotificationType = USB_CDC_NOTIFY_NETWORK_CONNECTION; + event->wValue = __constant_cpu_to_le16 (1); /* connected */ + event->wIndex = __constant_cpu_to_le16 (1); + event->wLength = 0; + + req->length = sizeof *event; + req->complete = eth_status_complete; + req->context = dev; + //printk(KERN_EMERG "[vlad] %s:%d usb_ep_queue len=%d\n", __func__, __LINE__, req->length); + value = usb_ep_queue (dev->status_ep, req, GFP_ATOMIC); + if (value < 0) + DEBUG (dev, "status buf queue --> %d\n", value); +} + +#endif + +/*-------------------------------------------------------------------------*/ + +static void eth_setup_complete (struct usb_ep *ep, struct usb_request *req) +{ + if (req->status || req->actual != req->length) + DEBUG ((struct eth_dev *) ep->driver_data, + "setup complete --> %d, %d/%d\n", + req->status, req->actual, req->length); +} + +#ifdef CONFIG_USB_ETH_RNDIS + +static void rndis_response_complete (struct usb_ep *ep, struct usb_request *req) +{ + if (req->status || req->actual != req->length) + DEBUG ((struct eth_dev *) ep->driver_data, + "rndis response complete --> %d, %d/%d\n", + req->status, req->actual, req->length); + + /* done sending after USB_CDC_GET_ENCAPSULATED_RESPONSE */ +} + +static void rndis_command_complete (struct usb_ep *ep, struct usb_request *req) +{ + struct eth_dev *dev = ep->driver_data; + int status; + u32 MsgType; + + /* received RNDIS command from USB_CDC_SEND_ENCAPSULATED_COMMAND */ + spin_lock(&dev->lock); + status = rndis_msg_parser (dev->rndis_config, (u8 *) req->buf); + if (status < 0) + ERROR(dev, "%s: rndis parse error %d\n", __FUNCTION__, status); + + MsgType = le32_to_cpup((u32 *)req->buf); + +#if defined(CONFIG_ARM_AVALANCHE_PPD) && defined(CONFIG_USB_PPD_SUPPORT) + /* For USB: responses may take up to 10 seconds */ + switch (MsgType) + { + case 2: + if( is_rndis_configured(dev->rndis_config) == 1 ) + { + dev->rndis_configured = 1; + uninstall_usb_pid( dev->net, rndis_default_mode, true ); + install_usb_pid( dev->net, rndis_default_mode, true ); + } + } +#endif + spin_unlock(&dev->lock); +} + +#endif /* RNDIS */ + +/* + * The setup() callback implements all the ep0 functionality that's not + * handled lower down. CDC has a number of less-common features: + * + * - two interfaces: control, and ethernet data + * - Ethernet data interface has two altsettings: default, and active + * - class-specific descriptors for the control interface + * - class-specific control requests + */ +static int +eth_setup (struct usb_gadget *gadget, const struct usb_ctrlrequest *ctrl) +{ + struct eth_dev *dev = get_gadget_data (gadget); + struct usb_request *req = dev->req; + int value = -EOPNOTSUPP; + u16 wIndex = le16_to_cpu(ctrl->wIndex); + u16 wValue = le16_to_cpu(ctrl->wValue); + u16 wLength = le16_to_cpu(ctrl->wLength); + + /* descriptors just go into the pre-allocated ep0 buffer, + * while config change events may enable network traffic. + */ + req->complete = eth_setup_complete; + + + switch (ctrl->bRequest) { + + case USB_REQ_GET_DESCRIPTOR: + if (ctrl->bRequestType != USB_DIR_IN) + break; + switch (wValue >> 8) { + + case USB_DT_DEVICE: + +#ifdef CONFIG_MACH_PUMA5 + if( rndis_default_mode ){ + device_desc.bNumConfigurations = 1; + } + else{ + device_desc.bNumConfigurations = 2; + rndis_config.bConfigurationValue = DEV_RNDIS_CONFIG_VALUE; + } +#endif + value = min (wLength, (u16) sizeof device_desc); + memcpy (req->buf, &device_desc, value); + break; +#ifdef CONFIG_USB_GADGET_DUALSPEED + case USB_DT_DEVICE_QUALIFIER: + if (!gadget->is_dualspeed) + break; + value = min (wLength, (u16) sizeof dev_qualifier); + memcpy (req->buf, &dev_qualifier, value); + break; + + case USB_DT_OTHER_SPEED_CONFIG: + if (!gadget->is_dualspeed) + break; + // FALLTHROUGH +#endif /* CONFIG_USB_GADGET_DUALSPEED */ + case USB_DT_CONFIG: + value = config_buf (gadget->speed, req->buf, + wValue >> 8, + wValue & 0xff, + gadget->is_otg); + if (value >= 0) + value = min (wLength, (u16) value); + break; + + case USB_DT_STRING: + value = usb_gadget_get_string (&stringtab, + wValue & 0xff, req->buf); + if (value >= 0) + value = min (wLength, (u16) value); + break; + } + break; + + case USB_REQ_SET_CONFIGURATION: + + if (ctrl->bRequestType != 0) + break; + if (gadget->a_hnp_support) + DEBUG (dev, "HNP available\n"); + else if (gadget->a_alt_hnp_support) + DEBUG (dev, "HNP needs a different root port\n"); + spin_lock (&dev->lock); + value = eth_set_config (dev, wValue, GFP_ATOMIC); + spin_unlock (&dev->lock); +#if defined(CONFIG_ARM_AVALANCHE_PPD) && defined(CONFIG_USB_PPD_SUPPORT) + uninstall_usb_pid( dev->net, rndis_default_mode, true ); + install_usb_pid( dev->net, rndis_default_mode, true ); +#endif + break; + case USB_REQ_GET_CONFIGURATION: + if (ctrl->bRequestType != USB_DIR_IN) + break; + *(u8 *)req->buf = dev->config; + value = min (wLength, (u16) 1); + break; + + case USB_REQ_SET_INTERFACE: + if (ctrl->bRequestType != USB_RECIP_INTERFACE + || !dev->config + || wIndex > 1){ + break; + } + + +#ifdef CONFIG_MACH_PUMA5 + if( !rndis_default_mode ) +#endif + if (!cdc_active(dev) && wIndex != 0){ + value = 0; + break; + } + spin_lock (&dev->lock); + + /* PXA hardware partially handles SET_INTERFACE; + * we need to kluge around that interference. + */ + if (gadget_is_pxa (gadget)) { + value = eth_set_config (dev, DEV_CONFIG_VALUE, + GFP_ATOMIC); + goto done_set_intf; + } +#ifdef DEV_CONFIG_CDC + switch (wIndex) { + case 0: /* control/master intf */ + if (wValue != 0) + break; + + + if (dev->status) { +#ifdef CONFIG_MACH_PUMA5 + if( !rndis_default_mode ) +#endif + usb_ep_disable (dev->status_ep); + usb_ep_enable (dev->status_ep, dev->status); + } + + value = 0; + break; + case 1: /* data intf */ + if (wValue > 1) + break; + +#ifdef CONFIG_MACH_PUMA5 + if( !rndis_default_mode ) +#endif + { + usb_ep_disable (dev->in_ep); + usb_ep_disable (dev->out_ep); + } + /* CDC requires the data transfers not be done from + * the default interface setting ... also, setting + * the non-default interface resets filters etc. + */ + if (wValue == 1) { +#ifdef CONFIG_MACH_PUMA5 + if( !rndis_default_mode ) +#endif + { + if (!cdc_active (dev)) + break; + usb_ep_enable (dev->in_ep, dev->in); + usb_ep_enable (dev->out_ep, dev->out); + } + + dev->cdc_filter = DEFAULT_FILTER; + netif_carrier_on (dev->net); + if (dev->status){ + issue_start_status (dev); + } +#ifdef CONFIG_MACH_PUMA5 + if( !rndis_default_mode ) +#endif + if (netif_running (dev->net)) { + spin_unlock (&dev->lock); + eth_start (dev, GFP_ATOMIC); + spin_lock (&dev->lock); + } + + } else { +#ifdef CONFIG_MACH_PUMA5 + if( !rndis_default_mode ) +#endif + { + netif_stop_queue (dev->net); + netif_carrier_off (dev->net); + } + } + value = 0; + break; + } +#else + /* FIXME this is wrong, as is the assumption that + * all non-PXA hardware talks real CDC ... + */ + dev_warn (&gadget->dev, "set_interface ignored!\n"); +#endif /* DEV_CONFIG_CDC */ + +done_set_intf: + spin_unlock (&dev->lock); + break; + case USB_REQ_GET_INTERFACE: + if (ctrl->bRequestType != (USB_DIR_IN|USB_RECIP_INTERFACE) + || !dev->config + || wIndex > 1) + break; + if (!(cdc_active(dev) || rndis_active(dev)) && wIndex != 0) + break; + + /* for CDC, iff carrier is on, data interface is active. */ + if (rndis_active(dev) || wIndex != 1) + *(u8 *)req->buf = 0; + else + *(u8 *)req->buf = netif_carrier_ok (dev->net) ? 1 : 0; + value = min (wLength, (u16) 1); + break; + +#ifdef DEV_CONFIG_CDC + case USB_CDC_SET_ETHERNET_PACKET_FILTER: + /* see 6.2.30: no data, wIndex = interface, + * wValue = packet filter bitmap + */ + if (ctrl->bRequestType != (USB_TYPE_CLASS|USB_RECIP_INTERFACE) + || !cdc_active(dev) + || wLength != 0 + || wIndex > 1) + break; + DEBUG (dev, "packet filter %02x\n", wValue); + dev->cdc_filter = wValue; + value = 0; + break; + + /* and potentially: + * case USB_CDC_SET_ETHERNET_MULTICAST_FILTERS: + * case USB_CDC_SET_ETHERNET_PM_PATTERN_FILTER: + * case USB_CDC_GET_ETHERNET_PM_PATTERN_FILTER: + * case USB_CDC_GET_ETHERNET_STATISTIC: + */ + +#endif /* DEV_CONFIG_CDC */ + +#ifdef CONFIG_USB_ETH_RNDIS + /* RNDIS uses the CDC command encapsulation mechanism to implement + * an RPC scheme, with much getting/setting of attributes by OID. + */ + case USB_CDC_SEND_ENCAPSULATED_COMMAND: + if (ctrl->bRequestType != (USB_TYPE_CLASS|USB_RECIP_INTERFACE) + || !rndis_active(dev) + || wLength > USB_BUFSIZ + || wValue + || rndis_control_intf.bInterfaceNumber + != wIndex) + break; + /* read the request, then process it */ + value = wLength; + req->complete = rndis_command_complete; + /* later, rndis_control_ack () sends a notification */ + break; + + case USB_CDC_GET_ENCAPSULATED_RESPONSE: + if ((USB_DIR_IN|USB_TYPE_CLASS|USB_RECIP_INTERFACE) + == ctrl->bRequestType + && rndis_active(dev) + // && wLength >= 0x0400 + && !wValue + && rndis_control_intf.bInterfaceNumber + == wIndex) { + u8 *buf; + + /* return the result */ + buf = rndis_get_next_response (dev->rndis_config, + &value); + if (buf) { + memcpy (req->buf, buf, value); + req->complete = rndis_response_complete; + rndis_free_response(dev->rndis_config, buf); + } + /* else stalls ... spec says to avoid that */ + } + break; +#endif /* RNDIS */ + + default: + VDEBUG (dev, + "unknown control req%02x.%02x v%04x i%04x l%d\n", + ctrl->bRequestType, ctrl->bRequest, + wValue, wIndex, wLength); + } + + /* respond with data transfer before status phase? */ + if (value >= 0) { + + req->length = value; + req->zero = value < wLength + && (value % gadget->ep0->maxpacket) == 0; + value = usb_ep_queue (gadget->ep0, req, GFP_ATOMIC); + if (value < 0) { + DEBUG (dev, "ep_queue --> %d\n", value); + req->status = 0; + eth_setup_complete (gadget->ep0, req); + } + } + + /* host either stalls (value < 0) or reports success */ + return value; +} + +static void +eth_disconnect (struct usb_gadget *gadget) +{ + struct eth_dev *dev = get_gadget_data (gadget); + unsigned long flags; + + spin_lock_irqsave (&dev->lock, flags); +#ifdef CONFIG_MACH_PUMA5 +#ifdef CONFIG_USB_ETH_RNDIS /* TAG0002 */ + rndis_signal_disconnect (dev->rndis_config, 0); + dev->rndis_configured = 0; +#endif +#endif + netif_stop_queue (dev->net); + netif_carrier_off (dev->net); +#if defined(CONFIG_ARM_AVALANCHE_PPD) && defined(CONFIG_USB_PPD_SUPPORT) +#ifdef CONFIG_TI_PACKET_PROCESSOR + ti_ppm_set_pid_flags (dev->net->pid_handle, TI_PP_PID_DISCARD_ALL_RX); + uninstall_usb_pid( dev->net, rndis_default_mode, false ); +#else + ti_ppd_set_pid_flags (&pid_usb[0], TI_PP_PID_DISCARD_ALL_RX); + uninstall_usb_pid( dev->net, rndis_default_mode, false ); +#endif + /* this delay is to make sure all the packets with the PID successfully egress throgh the respective ports.*/ + mdelay(200); +#endif + + + eth_reset_config (dev); + spin_unlock_irqrestore (&dev->lock, flags); + + /* FIXME RNDIS should enter RNDIS_UNINITIALIZED */ + + /* next we may get setup() calls to enumerate new connections; + * or an unbind() during shutdown (including removing module). + */ +} + +/*-------------------------------------------------------------------------*/ + +/* NETWORK DRIVER HOOKUP (to the layer above this driver) */ + +static int g_eth_change_mtu (struct net_device *net, int new_mtu) +{ + struct eth_dev *dev = netdev_priv(net); + + if (dev->rndis) + return -EBUSY; + + if (new_mtu <= ETH_HLEN || new_mtu > ETH_FRAME_LEN) + return -ERANGE; + /* no zero-length packet read wanted after mtu-sized packets */ + if (((new_mtu + sizeof (struct ethhdr)) % dev->in_ep->maxpacket) == 0) + return -EDOM; + net->mtu = new_mtu; + return 0; +} + +static struct net_device_stats *eth_get_stats (struct net_device *net) +{ + return &((struct eth_dev *)netdev_priv(net))->stats; +} + +static void eth_get_drvinfo(struct net_device *net, struct ethtool_drvinfo *p) +{ + struct eth_dev *dev = netdev_priv(net); + strlcpy(p->driver, shortname, sizeof p->driver); + strlcpy(p->version, DRIVER_VERSION, sizeof p->version); + strlcpy(p->fw_version, dev->gadget->name, sizeof p->fw_version); + strlcpy (p->bus_info, dev_name(dev->gadget->dev.parent), sizeof p->bus_info); } -static struct usb_configuration eth_config_driver = { - /* .label = f(hardware) */ - .bConfigurationValue = 1, - /* .iConfiguration = DYNAMIC */ - .bmAttributes = USB_CONFIG_ATT_SELFPOWER, +static u32 eth_get_link(struct net_device *net) +{ + struct eth_dev *dev = netdev_priv(net); + return dev->gadget->speed != USB_SPEED_UNKNOWN; +} + +static struct ethtool_ops ops = { + .get_drvinfo = eth_get_drvinfo, + .get_link = eth_get_link }; +static void defer_kevent (struct eth_dev *dev, int flag) +{ + if (test_and_set_bit (flag, &dev->todo)) + return; + if (!schedule_work (&dev->work)) + ERROR (dev, "kevent %d may have been dropped\n", flag); + else + DEBUG (dev, "kevent %d scheduled\n", flag); +} + +static void rx_complete (struct usb_ep *ep, struct usb_request *req); + +static int +rx_submit (struct eth_dev *dev, struct usb_request *req, gfp_t gfp_flags) +{ + struct sk_buff *skb; + int retval = -ENOMEM; + size_t size; + + /* Padding up to RX_EXTRA handles minor disagreements with host. + * Normally we use the USB "terminate on short read" convention; + * so allow up to (N*maxpacket), since that memory is normally + * already allocated. Some hardware doesn't deal well with short + * reads (e.g. DMA must be N*maxpacket), so for now don't trim a + * byte off the end (to force hardware errors on overflow). + * + * RNDIS uses internal framing, and explicitly allows senders to + * pad to end-of-packet. That's potentially nice for speed, + * but means receivers can't recover synch on their own. + */ + size = (sizeof (struct ethhdr) + dev->net->mtu + RX_EXTRA); + size += dev->out_ep->maxpacket - 1; + if (rndis_active(dev)) + size += sizeof (struct rndis_packet_msg_type); + size -= size % dev->out_ep->maxpacket; + + if ((skb = alloc_skb (size + NET_IP_ALIGN, gfp_flags)) == 0) { + DEBUG (dev, "no rx skb\n"); + goto enomem; + } + + /* Some platforms perform better when IP packets are aligned, + * but on at least one, checksumming fails otherwise. Note: + * RNDIS headers involve variable numbers of LE32 values. + */ + skb_reserve(skb, NET_IP_ALIGN); + + req->buf = skb->data; + req->length = size; + req->complete = rx_complete; + req->context = skb; + + retval = usb_ep_queue (dev->out_ep, req, gfp_flags); + if (retval == -ENOMEM) +enomem: + defer_kevent (dev, WORK_RX_MEMORY); + if (retval) { + DEBUG (dev, "rx submit --> %d\n", retval); + dev_kfree_skb_any (skb); + spin_lock(&dev->req_lock); + list_add (&req->list, &dev->rx_reqs); + spin_unlock(&dev->req_lock); + } + return retval; +} + +static void rx_complete (struct usb_ep *ep, struct usb_request *req) +{ + struct sk_buff *skb = req->context; + struct eth_dev *dev = ep->driver_data; + int status = req->status,len=0; + u8 src[6]; + struct ethhdr *eth; + + switch (status) { + + /* normal completion */ + case 0: + skb_put (skb, req->actual); + /* we know MaxPacketsPerTransfer == 1 here */ + if (rndis_active(dev)) + status = rndis_rm_hdr (skb); + if (status < 0 + || ETH_HLEN > skb->len + || skb->len > ETH_FRAME_LEN) { + dev->stats.rx_errors++; + dev->stats.rx_length_errors++; +#ifdef CONFIG_MACH_PUMA5 +#ifdef USB_MIB_SUPPORT + dev->ifstats.rx_errors++; + dev->ifstats.receive_packets_dropped++; +#endif +#endif + + DEBUG (dev, "rx length %d\n", skb->len); + break; + } + +#ifdef CONFIG_MACH_PUMA5 +#ifdef USB_MIB_SUPPORT + memcpy (src, skb->data, 6); +#endif +#endif + skb->dev = dev->net; + len = skb->len; + skb->protocol = eth_type_trans (skb, dev->net); + +#ifdef CONFIG_MACH_PUMA5 + /* drop the unknown protocol packets */ + eth = eth_hdr(skb); + + if(eth->h_proto == 0) { +#ifdef USB_MIB_SUPPORT + dev->ifstats.unknownProtPkts++; + dev->ifstats.receive_packets_dropped++; +#endif + dev_kfree_skb_any(skb); + return ; + } +#endif + dev->stats.rx_packets++; + dev->stats.rx_bytes += len; +#ifdef CONFIG_MACH_PUMA5 +#ifdef USB_MIB_SUPPORT + { + //u8 *src = skb->data; + if( is_multicast_ether_addr(src)){ + if ( is_broadcast_ether_addr(src) ){ + dev->ifstats.broadcast_pkts_rxed++; + dev->ifstats.broadcast_bytes_rxed += len; + }else{ + dev->ifstats.multicast_pkts_rxed++; + dev->ifstats.multicast_bytes_rxed += len; + } + } + else{ + dev->ifstats.unicast_pkts_rxed++; + dev->ifstats.unicast_bytes_rxed += len; + } + } +#endif +#endif + /* no buffer copies needed, unless hardware can't + * use skb buffers. + */ + status = netif_rx (skb); + skb = NULL; + break; + + /* software-driven interface shutdown */ + case -ECONNRESET: // unlink + case -ESHUTDOWN: // disconnect etc + VDEBUG (dev, "rx shutdown, code %d\n", status); + goto quiesce; + + /* for hardware automagic (such as pxa) */ + case -ECONNABORTED: // endpoint reset + DEBUG (dev, "rx %s reset\n", ep->name); + defer_kevent (dev, WORK_RX_MEMORY); +quiesce: + dev_kfree_skb_any (skb); + goto clean; + + /* data overrun */ + case -EOVERFLOW: + dev->stats.rx_over_errors++; + // FALLTHROUGH + + default: + dev->stats.rx_errors++; +#ifdef CONFIG_MACH_PUMA5 +#ifdef USB_MIB_SUPPORT + dev->ifstats.rx_errors++; +#endif +#endif + DEBUG (dev, "rx status %d\n", status); + break; + } + + if (skb) + dev_kfree_skb_any (skb); + if (!netif_running (dev->net)) { +clean: + spin_lock(&dev->req_lock); + list_add (&req->list, &dev->rx_reqs); + spin_unlock(&dev->req_lock); + req = NULL; + } + if (req) + rx_submit (dev, req, GFP_ATOMIC); +} + +static int prealloc (struct list_head *list, struct usb_ep *ep, + unsigned n, gfp_t gfp_flags) +{ + unsigned i; + struct usb_request *req; + + if (!n) + return -ENOMEM; + + /* queue/recycle up to N requests */ + i = n; + list_for_each_entry (req, list, list) { + if (i-- == 0) + goto extra; + } + while (i--) { + req = usb_ep_alloc_request (ep, gfp_flags); + if (!req) + return list_empty (list) ? -ENOMEM : 0; + list_add (&req->list, list); + } + return 0; + +extra: + /* free extras */ + for (;;) { + struct list_head *next; + + next = req->list.next; + list_del (&req->list); + usb_ep_free_request (ep, req); + + if (next == list) + break; + + req = container_of (next, struct usb_request, list); + } + return 0; +} + +static int alloc_requests (struct eth_dev *dev, unsigned n, gfp_t gfp_flags) +{ + int status; + + spin_lock(&dev->req_lock); + status = prealloc (&dev->tx_reqs, dev->in_ep, n, gfp_flags); + if (status < 0) + goto fail; + status = prealloc (&dev->rx_reqs, dev->out_ep, n, gfp_flags); + if (status < 0) + goto fail; + goto done; +fail: + DEBUG (dev, "can't alloc requests\n"); +done: + spin_unlock(&dev->req_lock); + return status; +} + +static void rx_fill (struct eth_dev *dev, gfp_t gfp_flags) +{ + struct usb_request *req; + unsigned long flags; + + /* fill unused rxq slots with some skb */ + spin_lock_irqsave(&dev->req_lock, flags); + while (!list_empty (&dev->rx_reqs)) { + req = container_of (dev->rx_reqs.next, + struct usb_request, list); + list_del_init (&req->list); + spin_unlock_irqrestore(&dev->req_lock, flags); + + if (rx_submit (dev, req, gfp_flags) < 0) { + defer_kevent (dev, WORK_RX_MEMORY); + return; + } + spin_lock_irqsave(&dev->req_lock, flags); + } + spin_unlock_irqrestore(&dev->req_lock, flags); +} + +static void eth_work (struct work_struct *work) +{ + struct eth_dev *dev = container_of(work, struct eth_dev, work);; + + if (test_and_clear_bit (WORK_RX_MEMORY, &dev->todo)) { + if (netif_running (dev->net)) + rx_fill (dev, GFP_KERNEL); + } + + if (dev->todo) + DEBUG (dev, "work done, flags = 0x%lx\n", dev->todo); +} + +static void tx_complete (struct usb_ep *ep, struct usb_request *req) +{ + struct sk_buff *skb = req->context; + struct eth_dev *dev = ep->driver_data; + + switch (req->status) { + default: + dev->stats.tx_errors++; +#ifdef CONFIG_MACH_PUMA5 +#ifdef USB_MIB_SUPPORT + dev->ifstats.tx_errors++; +#endif +#endif + VDEBUG (dev, "tx err %d\n", req->status); + /* FALLTHROUGH */ + case -ECONNRESET: // unlink + case -ESHUTDOWN: // disconnect etc + break; + case 0: + dev->stats.tx_bytes += skb->len; + } + dev->stats.tx_packets++; + + spin_lock(&dev->req_lock); + list_add (&req->list, &dev->tx_reqs); + spin_unlock(&dev->req_lock); + dev_kfree_skb_any (skb); + + atomic_dec (&dev->tx_qlen); + if (netif_carrier_ok (dev->net)) + netif_wake_queue (dev->net); +} + +static inline int eth_is_promisc (struct eth_dev *dev) +{ + /* no filters for the CDC subset; always promisc */ + if (subset_active (dev)) + return 1; + return dev->cdc_filter & USB_CDC_PACKET_TYPE_PROMISCUOUS; +} +#ifdef CONFIG_MACH_PUMA5 +char rndis_get_multicast_status (u8 configNr, const u8 *dest); +#endif +static int eth_start_xmit (struct sk_buff *skb, struct net_device *net) +{ + struct eth_dev *dev = netdev_priv(net); + int length = skb->len; + int retval; + struct usb_request *req = NULL; + unsigned long flags; +#ifdef CONFIG_MACH_PUMA5 + +#ifdef CONFIG_USB_ETH_RNDIS + u8 dst_mac_address[6]; + u32 filter = rndis_get_param_filter (dev->rndis_config); + //u32 filter = dev->cdc_filter; + memcpy (dst_mac_address, skb->data, 6); + if (!(filter & NDIS_PACKET_TYPE_PROMISCUOUS) && dev->rndis ) + { + if( is_multicast_ether_addr( dst_mac_address) ) + { + /* Is the packet a BROADCAST packet ? */ + if ( is_broadcast_ether_addr(dst_mac_address)) + { + if (!(filter & NDIS_PACKET_TYPE_BROADCAST)) + { + dev->stats.tx_dropped++; + dev->ifstats.transmit_packets_dropped++; + dev_kfree_skb_any (skb); + return 0; + } + } else { + if ((!(filter & NDIS_PACKET_TYPE_ALL_MULTICAST)) && + (!((filter & NDIS_PACKET_TYPE_MULTICAST) && + rndis_get_multicast_status (dev->rndis_config, + dst_mac_address)))) + { + dev->stats.tx_dropped++; + dev->ifstats.transmit_packets_dropped++; + dev_kfree_skb_any (skb); + return 0; + } + } + } else if (filter & NDIS_PACKET_TYPE_DIRECTED) + { + if (!((dev->host_mac [0] == dst_mac_address[0]) && + (dev->host_mac [1] == dst_mac_address[1]) && + (dev->host_mac [2] == dst_mac_address[2]) && + (dev->host_mac [3] == dst_mac_address[3]) && + (dev->host_mac [4] == dst_mac_address[4]) && + (dev->host_mac [5] == dst_mac_address[5]) + )) + { + dev->stats.tx_dropped++; + dev->ifstats.transmit_packets_dropped++; + dev_kfree_skb_any (skb); + return 0; + } + } else if (filter & NDIS_PACKET_TYPE_BROADCAST) + { + /* Is the packet a BROADCAST packet ? */ + if ( !(is_broadcast_ether_addr(dst_mac_address))) + { + dev->stats.tx_dropped++; + dev->ifstats.transmit_packets_dropped++; + dev_kfree_skb_any (skb); + return 0; + } + } else if ((filter & NDIS_PACKET_TYPE_ALL_MULTICAST) || + (filter & NDIS_PACKET_TYPE_MULTICAST)) + { + dev->stats.tx_dropped++; + dev->ifstats.transmit_packets_dropped++; + dev_kfree_skb_any (skb); + return 0; + } + } + + if( is_multicast_ether_addr( dst_mac_address) ) + { + /* Is the packet a BROADCAST packet ? */ + if ( is_broadcast_ether_addr(dst_mac_address)) + { + dev->ifstats.broadcast_pkts_txed++; + dev->ifstats.broadcast_bytes_txed += skb->len; + }else{ + dev->ifstats.multicast_pkts_txed++; + dev->ifstats.multicast_bytes_txed += skb->len; + } + }else{ + dev->ifstats.unicast_pkts_txed++; + dev->ifstats.unicast_bytes_txed += skb->len; + } + + +#endif +#else + /* apply outgoing CDC or RNDIS filters */ + if (!eth_is_promisc (dev)) { + u8 *dest = skb->data; + + if (dest [0] & 0x01) { + u16 type; + + /* ignores USB_CDC_PACKET_TYPE_MULTICAST and host + * SET_ETHERNET_MULTICAST_FILTERS requests + */ + if (memcmp (dest, net->broadcast, ETH_ALEN) == 0) + type = USB_CDC_PACKET_TYPE_BROADCAST; + else + type = USB_CDC_PACKET_TYPE_ALL_MULTICAST; + + if (!(dev->cdc_filter & type)) { + dev_kfree_skb_any (skb); + return 0; + } + } + /* ignores USB_CDC_PACKET_TYPE_DIRECTED */ + } + +#endif + + spin_lock_irqsave(&dev->req_lock, flags); +#ifdef CONFIG_MACH_PUMA5 + if (list_empty (&dev->tx_reqs)){ + netif_stop_queue (net); + spin_unlock_irqrestore(&dev->req_lock, flags); + dev_kfree_skb_any (skb); + return 0; + } + else { +#endif + req = container_of (dev->tx_reqs.next, struct usb_request, list); + list_del (&req->list); + if (list_empty (&dev->tx_reqs)) + netif_stop_queue (net); +#ifdef CONFIG_MACH_PUMA5 + } +#endif + spin_unlock_irqrestore(&dev->req_lock, flags); + + /* no buffer copies needed, unless the network stack did it + * or the hardware can't use skb buffers. + * or there's not enough space for any RNDIS headers we need + */ + if (rndis_active(dev)) { + struct sk_buff *skb_rndis; + + skb_rndis = skb_realloc_headroom (skb, + sizeof (struct rndis_packet_msg_type)); + if (!skb_rndis) + goto drop; + + dev_kfree_skb_any (skb); + skb = skb_rndis; + rndis_add_hdr (skb); + length = skb->len; + } + req->buf = skb->data; + req->context = skb; + req->complete = tx_complete; + + /* use zlp framing on tx for strict CDC-Ether conformance, + * though any robust network rx path ignores extra padding. + * and some hardware doesn't like to write zlps. + */ + req->zero = 1; + if (!dev->zlp && (length % dev->in_ep->maxpacket) == 0) + length++; + + req->length = length; + //printk(KERN_EMERG "[vlad] %s length=%d TX_DELAY=%d %d\n", __func__, length, TX_DELAY, atomic_read (&dev->tx_qlen)); +#ifdef CONFIG_USB_GADGET_DUALSPEED + /* throttle highspeed IRQ rate back slightly */ + req->no_interrupt = (dev->gadget->speed == USB_SPEED_HIGH) + ? ((atomic_read (&dev->tx_qlen) % TX_DELAY) != 0) + : 0; +#endif + retval = usb_ep_queue (dev->in_ep, req, GFP_ATOMIC); + switch (retval) { + default: + DEBUG (dev, "tx queue err %d\n", retval); + break; + case 0: + net->trans_start = jiffies; + atomic_inc (&dev->tx_qlen); + } + + if (retval) { +drop: + dev->stats.tx_dropped++; +#ifdef CONFIG_MACH_PUMA5 +#ifdef USB_MIB_SUPPORT + dev->ifstats.transmit_packets_dropped++; +#endif +#endif + dev_kfree_skb_any (skb); + spin_lock_irqsave(&dev->req_lock, flags); + if (list_empty (&dev->tx_reqs)) + netif_start_queue (net); + list_add (&req->list, &dev->tx_reqs); + spin_unlock_irqrestore(&dev->req_lock, flags); + } + return 0; +} + +/*-------------------------------------------------------------------------*/ + +#ifdef CONFIG_USB_ETH_RNDIS + +/* The interrupt endpoint is used in RNDIS to notify the host when messages + * other than data packets are available ... notably the REMOTE_NDIS_*_CMPLT + * messages, but also REMOTE_NDIS_INDICATE_STATUS_MSG and potentially even + * REMOTE_NDIS_KEEPALIVE_MSG. + * + * The RNDIS control queue is processed by GET_ENCAPSULATED_RESPONSE, and + * normally just one notification will be queued. + */ + +static struct usb_request *eth_req_alloc (struct usb_ep *, unsigned, gfp_t); +static void eth_req_free (struct usb_ep *ep, struct usb_request *req); + +static void +rndis_control_ack_complete (struct usb_ep *ep, struct usb_request *req) +{ + struct eth_dev *dev = ep->driver_data; + + if (req->status || req->actual != req->length) + DEBUG (dev, + "rndis control ack complete --> %d, %d/%d\n", + req->status, req->actual, req->length); + req->context = NULL; + + if (req != dev->stat_req) + eth_req_free(ep, req); +} + +static int rndis_control_ack (struct net_device *net) +{ + struct eth_dev *dev = netdev_priv(net); + u32 length; + struct usb_request *resp = dev->stat_req; + + /* in case RNDIS calls this after disconnect */ + if (!dev->status) { + DEBUG (dev, "status ENODEV\n"); + return -ENODEV; + } + + /* in case queue length > 1 */ + if (resp->context) { + resp = eth_req_alloc (dev->status_ep, 8, GFP_ATOMIC); + if (!resp) + return -ENOMEM; + } + + /* Send RNDIS RESPONSE_AVAILABLE notification; + * USB_CDC_NOTIFY_RESPONSE_AVAILABLE should work too + */ + resp->length = 8; + resp->complete = rndis_control_ack_complete; + resp->context = dev; + //printk(KERN_EMERG "[vlad] %s:%d usb_ep_queue len=%d\n", __func__, __LINE__, resp->length); + *((__le32 *) resp->buf) = __constant_cpu_to_le32 (1); + *((__le32 *) resp->buf + 1) = __constant_cpu_to_le32 (0); + length = usb_ep_queue (dev->status_ep, resp, GFP_ATOMIC); + if (length < 0) { + resp->status = 0; + rndis_control_ack_complete (dev->status_ep, resp); + } + + return 0; +} + +#else + +#define rndis_control_ack NULL + +#endif /* RNDIS */ + +static void eth_start (struct eth_dev *dev, gfp_t gfp_flags) +{ + DEBUG (dev, "%s\n", __FUNCTION__); + + /* fill the rx queue */ + rx_fill (dev, gfp_flags); + + /* and open the tx floodgates */ + atomic_set (&dev->tx_qlen, 0); + netif_wake_queue (dev->net); + +//#ifdef CONFIG_ARM_AVALANCHE_PPD +#if defined(CONFIG_ARM_AVALANCHE_PPD) && defined(CONFIG_USB_PPD_SUPPORT) +#ifdef CONFIG_TI_PACKET_PROCESSOR + ti_ppm_set_pid_flags (dev->net->pid_handle, 0); +#else + ti_ppd_set_pid_flags (&pid_usb[0], 0); +#endif +#endif + +#ifdef CONFIG_MACH_PUMA5 + netif_carrier_on (dev->net); +#endif + if (rndis_active(dev)) { + rndis_set_param_medium (dev->rndis_config, + NDIS_MEDIUM_802_3, + BITRATE(dev->gadget)/100); + (void) rndis_signal_connect (dev->rndis_config); + } +} + +static int eth_open (struct net_device *net) +{ + struct eth_dev *dev = netdev_priv(net); + + DEBUG (dev, "%s\n", __FUNCTION__); +#ifdef CONFIG_MACH_PUMA5 + /* TAG0003 */ + if (dev->config) + netif_carrier_on (dev->net); +#endif +//#ifdef CONFIG_ARM_AVALANCHE_PPD +#if defined(CONFIG_ARM_AVALANCHE_PPD) && defined(CONFIG_USB_PPD_SUPPORT) +#ifdef CONFIG_TI_PACKET_PROCESSOR + ti_ppm_set_pid_flags (net->pid_handle, 0); + uninstall_usb_pid( net, rndis_default_mode, true ); + install_usb_pid( net, rndis_default_mode, true ); +#else + ti_ppd_set_pid_flags (&pid_usb[0], 0); + uninstall_usb_pid( net, rndis_default_mode, true ); + install_usb_pid( net, rndis_default_mode, true ); +#endif +#endif + + + if (netif_carrier_ok (dev->net)) + eth_start (dev, GFP_KERNEL); + return 0; +} + +static int eth_stop (struct net_device *net) +{ + struct eth_dev *dev = netdev_priv(net); + + VDEBUG (dev, "%s\n", __FUNCTION__); + netif_stop_queue (net); +#ifdef CONFIG_MACH_PUMA5 + netif_carrier_off (dev->net); +#endif + +//#ifdef CONFIG_ARM_AVALANCHE_PPD +#if defined(CONFIG_ARM_AVALANCHE_PPD) && defined(CONFIG_USB_PPD_SUPPORT) +#ifdef CONFIG_TI_PACKET_PROCESSOR + ti_ppm_set_pid_flags (net->pid_handle, TI_PP_PID_DISCARD_ALL_RX); + uninstall_usb_pid( net, rndis_default_mode, false ); +#else + ti_ppd_set_pid_flags (&pid_usb[0], TI_PP_PID_DISCARD_ALL_RX); + uninstall_usb_pid( net, rndis_default_mode, false ); +#endif + /* this delay is to make sure all the packets with the PID successfully egress throgh the respective ports.*/ + mdelay(200); +#endif + + + + DEBUG (dev, "stop stats: rx/tx %ld/%ld, errs %ld/%ld\n", + dev->stats.rx_packets, dev->stats.tx_packets, + dev->stats.rx_errors, dev->stats.tx_errors + ); + + /* ensure there are no more active requests */ + if (dev->config) { + +#ifdef CONFIG_MACH_PUMA5 + /* TAG0001 */ + /* + * Removed as we allow the requests to drain naturally. + * Due to abscense of Flush All requests premitive we need + * to allow them to gets flushed through normal IO mechanism. + * Using Disable/Enable approach to flush the request is bug + * prone as the controller driver can reset the Data Toggle and + * this minght lead this EP to completely malfunction. + */ +#endif +#ifndef CONFIG_MACH_PUMA5 + usb_ep_disable (dev->in_ep); + usb_ep_disable (dev->out_ep); + if (netif_carrier_ok (dev->net)) { + DEBUG (dev, "host still using in/out endpoints\n"); + // FIXME idiom may leave toggle wrong here + usb_ep_enable (dev->in_ep, dev->in); + usb_ep_enable (dev->out_ep, dev->out); + } + if (dev->status_ep) { + usb_ep_disable (dev->status_ep); + usb_ep_enable (dev->status_ep, dev->status); + } +#endif + } + + if (rndis_active(dev)) { + rndis_set_param_medium (dev->rndis_config, + NDIS_MEDIUM_802_3, 0); +#ifdef CONFIG_MACH_PUMA5 + (void) rndis_signal_disconnect (dev->rndis_config, 1); +#else + (void) rndis_signal_disconnect (dev->rndis_config); +#endif + } + + return 0; +} + /*-------------------------------------------------------------------------*/ -static int __init eth_bind(struct usb_composite_dev *cdev) +static struct usb_request * +eth_req_alloc (struct usb_ep *ep, unsigned size, gfp_t gfp_flags) { - int gcnum; - struct usb_gadget *gadget = cdev->gadget; - int status; + struct usb_request *req; - /* set up network link layer */ - status = gether_setup(cdev->gadget, hostaddr); - if (status < 0) - return status; + req = usb_ep_alloc_request (ep, gfp_flags); + if (!req) + return NULL; + + req->buf = kmalloc (size, gfp_flags); + if (!req->buf) { + usb_ep_free_request (ep, req); + req = NULL; + } + return req; +} - /* set up main config label and device descriptor */ - if (use_eem) { - /* EEM */ - eth_config_driver.label = "CDC Ethernet (EEM)"; - device_desc.idVendor = cpu_to_le16(EEM_VENDOR_NUM); - device_desc.idProduct = cpu_to_le16(EEM_PRODUCT_NUM); - } else if (can_support_ecm(cdev->gadget)) { - /* ECM */ - eth_config_driver.label = "CDC Ethernet (ECM)"; - } else { - /* CDC Subset */ - eth_config_driver.label = "CDC Subset/SAFE"; - - device_desc.idVendor = cpu_to_le16(SIMPLE_VENDOR_NUM); - device_desc.idProduct = cpu_to_le16(SIMPLE_PRODUCT_NUM); - if (!has_rndis()) - device_desc.bDeviceClass = USB_CLASS_VENDOR_SPEC; - } - - if (has_rndis()) { - /* RNDIS plus ECM-or-Subset */ - device_desc.idVendor = cpu_to_le16(RNDIS_VENDOR_NUM); - device_desc.idProduct = cpu_to_le16(RNDIS_PRODUCT_NUM); +static void +eth_req_free (struct usb_ep *ep, struct usb_request *req) +{ + kfree (req->buf); + usb_ep_free_request (ep, req); +} + + +static void /* __init_or_exit */ +eth_unbind (struct usb_gadget *gadget) +{ + struct eth_dev *dev = get_gadget_data (gadget); + + DEBUG (dev, "unbind\n"); + rndis_deregister (dev->rndis_config); + rndis_exit (); + + /* we've already been disconnected ... no i/o is active */ + if (dev->req) { + eth_req_free (gadget->ep0, dev->req); + dev->req = NULL; + } + if (dev->stat_req) { + eth_req_free (dev->status_ep, dev->stat_req); + dev->stat_req = NULL; + } + +//#ifdef CONFIG_ARM_AVALANCHE_PPD +#if defined(CONFIG_ARM_AVALANCHE_PPD) && defined(CONFIG_USB_PPD_SUPPORT) +#ifdef CONFIG_TI_PACKET_PROCESSOR + ti_ppm_delete_pid (dev->net->pid_handle); +#else + ti_ppd_delete_pid(PP_USB_PID_BASE+0); +#endif + /* this delay is to make sure all the packets with the PID successfully egress throgh the respective ports.*/ + mdelay(200); +#endif + + /* Temporary Fix USB stability .. This is not the final fix ! */ + dev->net->vpid_handle = -1; + + unregister_netdev (dev->net); + free_netdev(dev->net); + + /* assuming we used keventd, it must quiesce too */ + flush_scheduled_work (); + set_gadget_data (gadget, NULL); +} + +static u8 __devinit nibble (unsigned char c) +{ + if (likely (isdigit (c))) + return c - '0'; + c = toupper (c); + if (likely (isxdigit (c))) + return 10 + c - 'A'; + return 0; +} + +#ifndef MODULE + +static int __init usb_set_host_macstring(char *str) +{ + if(str[1]) { + host_addr = &str[1]; + } + return 1; +} + +__setup("usbhostaddr", usb_set_host_macstring); + +#endif + +static int __devinit get_ether_addr(const char *str, u8 *dev_addr) +{ + if (str) { + unsigned i; + + for (i = 0; i < 6; i++) { + unsigned char num; + + if((*str == '.') || (*str == ':')) + str++; + num = nibble(*str++) << 4; + num |= (nibble(*str++)); + dev_addr [i] = num; + } + if (is_valid_ether_addr (dev_addr)) + return 0; + } + random_ether_addr(dev_addr); + return 1; +} + +static const struct net_device_ops eth_netdev_ops = { + .ndo_open = eth_open, + .ndo_stop = eth_stop, + .ndo_change_mtu = g_eth_change_mtu, + .ndo_get_stats = eth_get_stats, +#ifdef CONFIG_MACH_PUMA5 +#ifdef USB_MIB_SUPPORT + .ndo_do_ioctl = eth_ioctl, +#endif +#endif + .ndo_start_xmit = eth_start_xmit, + .ndo_change_mtu = g_eth_change_mtu, + .ndo_set_mac_address = eth_mac_addr, + .ndo_validate_addr = eth_validate_addr, +}; + +static int __devinit +eth_bind (struct usb_gadget *gadget) +{ + struct eth_dev *dev; + struct net_device *net; + u8 cdc = 1, zlp = 1, rndis = 1; + struct usb_ep *in_ep, *out_ep, *status_ep = NULL; + int status = -ENOMEM; + int gcnum; +#if defined(CONFIG_ARM_AVALANCHE_PPD) && defined(CONFIG_USB_PPD_SUPPORT) + int pid_type; +#endif + /* these flags are only ever cleared; compiler take note */ +#ifndef DEV_CONFIG_CDC + cdc = 0; +#endif +#ifndef CONFIG_USB_ETH_RNDIS + rndis = 0; +#endif + + /* Because most host side USB stacks handle CDC Ethernet, that + * standard protocol is _strongly_ preferred for interop purposes. + * (By everyone except Microsoft.) + */ +#if 0 + if (gadget_is_pxa (gadget)) { + /* pxa doesn't support altsettings */ + cdc = 0; + } else if (gadget_is_sh(gadget)) { + /* sh doesn't support multiple interfaces or configs */ + cdc = 0; + rndis = 0; + } else if (gadget_is_sa1100 (gadget)) { + /* hardware can't write zlps */ + zlp = 0; + /* sa1100 CAN do CDC, without status endpoint ... we use + * non-CDC to be compatible with ARM Linux-2.4 "usb-eth". + */ + cdc = 0; + } +#endif + gcnum = usb_gadget_controller_number (gadget); + if (gcnum >= 0) + device_desc.bcdDevice = cpu_to_le16 (0x0200 + gcnum); + else { + /* can't assume CDC works. don't want to default to + * anything less functional on CDC-capable hardware, + * so we fail in this case. + */ + dev_err (&gadget->dev, + "controller '%s' not recognized\n", + gadget->name); + return -ENODEV; + } + snprintf (manufacturer, sizeof manufacturer, "%s %s/%s", + init_uts_ns.name.sysname, init_uts_ns.name.release, + gadget->name); + + /* If there's an RNDIS configuration, that's what Windows wants to + * be using ... so use these product IDs here and in the "linux.inf" + * needed to install MSFT drivers. Current Linux kernels will use + * the second configuration if it's CDC Ethernet, and need some help + * to choose the right configuration otherwise. + */ + if (rndis) { + device_desc.idVendor = + __constant_cpu_to_le16(RNDIS_VENDOR_NUM); + device_desc.idProduct = + __constant_cpu_to_le16(RNDIS_PRODUCT_NUM); + snprintf (product_desc, sizeof product_desc, + "RNDIS/%s", driver_desc); + /* CDC subset ... recognized by Linux since 2.4.10, but Windows + * drivers aren't widely available. + */ + } else if (!cdc) { + device_desc.bDeviceClass = USB_CLASS_VENDOR_SPEC; + device_desc.idVendor = + __constant_cpu_to_le16(SIMPLE_VENDOR_NUM); + device_desc.idProduct = + __constant_cpu_to_le16(SIMPLE_PRODUCT_NUM); + } + /* support optional vendor/distro customization */ + if (idVendor) { + if (!idProduct) { + dev_err (&gadget->dev, "idVendor needs idProduct!\n"); + return -ENODEV; + } + device_desc.idVendor = cpu_to_le16(idVendor); + device_desc.idProduct = cpu_to_le16(idProduct); + if (bcdDevice) + device_desc.bcdDevice = cpu_to_le16(bcdDevice); + } +#if defined(CONFIG_MACH_PUMA5) && defined(DEFAULT_USB_VENDOR_ID) + else { + device_desc.idVendor = cpu_to_le16(DEFAULT_USB_VENDOR_ID); + device_desc.idProduct = cpu_to_le16(DEFAULT_USB_PRODUCT_ID); + } +#endif + if (iManufacturer) + strlcpy (manufacturer, iManufacturer, sizeof manufacturer); +#if defined(CONFIG_MACH_PUMA5) && defined(DEFAULT_USB_VENDOR_NAME) + else + strlcpy (manufacturer, DEFAULT_USB_VENDOR_NAME, sizeof manufacturer); +#endif + + if (iProduct) + strlcpy (product_desc, iProduct, sizeof product_desc); +#if defined(CONFIG_MACH_PUMA5) && defined(DEFAULT_USB_VENDOR_DESC) + else + strlcpy (product_desc, DEFAULT_USB_VENDOR_DESC, sizeof product_desc); +#endif + if (iSerialNumber) { + device_desc.iSerialNumber = STRING_SERIALNUMBER, + strlcpy(serial_number, iSerialNumber, sizeof serial_number); + } +#if defined(CONFIG_MACH_PUMA5) && defined(DEFAULT_USB_INSTANCE) + else{ + device_desc.iSerialNumber = STRING_SERIALNUMBER, + strlcpy(serial_number, DEFAULT_USB_INSTANCE, sizeof serial_number); +} +#endif + + /* all we really need is bulk IN/OUT */ + usb_ep_autoconfig_reset (gadget); + in_ep = usb_ep_autoconfig (gadget, &fs_source_desc); + if (!in_ep) { +autoconf_fail: + dev_err (&gadget->dev, + "can't autoconfigure on %s\n", + gadget->name); + return -ENODEV; + } + in_ep->driver_data = in_ep; /* claim */ + + out_ep = usb_ep_autoconfig (gadget, &fs_sink_desc); + if (!out_ep){ + goto autoconf_fail; + } + out_ep->driver_data = out_ep; /* claim */ + +#if defined(DEV_CONFIG_CDC) || defined(CONFIG_USB_ETH_RNDIS) + /* CDC Ethernet control interface doesn't require a status endpoint. + * Since some hosts expect one, try to allocate one anyway. + */ + if (cdc || rndis) { + status_ep = usb_ep_autoconfig (gadget, &fs_status_desc); + if (status_ep) { + status_ep->driver_data = status_ep; /* claim */ + } else if (rndis) { + dev_err (&gadget->dev, + "can't run RNDIS on %s\n", + gadget->name); + return -ENODEV; +#ifdef DEV_CONFIG_CDC + /* pxa25x only does CDC subset; often used with RNDIS */ + } else if (cdc) { + control_intf.bNumEndpoints = 0; + /* FIXME remove endpoint from descriptor list */ +#endif + } + } +#endif + + /* one config: cdc, else minimal subset */ + if (!cdc) { + eth_config.bNumInterfaces = 1; + eth_config.iConfiguration = STRING_SUBSET; + fs_subset_descriptors(); + hs_subset_descriptors(); + } + + device_desc.bMaxPacketSize0 = gadget->ep0->maxpacket; + usb_gadget_set_selfpowered (gadget); + + /* For now RNDIS is always a second config */ + if (rndis) device_desc.bNumConfigurations = 2; + +#ifdef CONFIG_USB_GADGET_DUALSPEED + if (rndis) + dev_qualifier.bNumConfigurations = 2; + else if (!cdc) + dev_qualifier.bDeviceClass = USB_CLASS_VENDOR_SPEC; + +#ifdef CONFIG_MACH_PUMA5 + gadget->is_dualspeed = 1; +#endif + /* assumes ep0 uses the same value for both speeds ... */ + dev_qualifier.bMaxPacketSize0 = device_desc.bMaxPacketSize0; + + /* and that all endpoints are dual-speed */ + hs_source_desc.bEndpointAddress = fs_source_desc.bEndpointAddress; + hs_sink_desc.bEndpointAddress = fs_sink_desc.bEndpointAddress; +#if defined(DEV_CONFIG_CDC) || defined(CONFIG_USB_ETH_RNDIS) + if (status_ep) + hs_status_desc.bEndpointAddress = + fs_status_desc.bEndpointAddress; +#endif +#endif /* DUALSPEED */ + + if (gadget->is_otg) { + otg_descriptor.bmAttributes |= USB_OTG_HNP, + eth_config.bmAttributes |= USB_CONFIG_ATT_WAKEUP; + eth_config.bMaxPower = 4; +#ifdef CONFIG_USB_ETH_RNDIS + rndis_config.bmAttributes |= USB_CONFIG_ATT_WAKEUP; + rndis_config.bMaxPower = 4; +#endif } - gcnum = usb_gadget_controller_number(gadget); - if (gcnum >= 0) - device_desc.bcdDevice = cpu_to_le16(0x0300 | gcnum); - else { - /* We assume that can_support_ecm() tells the truth; - * but if the controller isn't recognized at all then - * that assumption is a bit more likely to be wrong. + net = alloc_etherdev (sizeof *dev); + if (!net) + return status; + dev = netdev_priv(net); + spin_lock_init (&dev->lock); + spin_lock_init (&dev->req_lock); + INIT_WORK (&dev->work, eth_work); + INIT_LIST_HEAD (&dev->tx_reqs); + INIT_LIST_HEAD (&dev->rx_reqs); +#ifdef CONFIG_MACH_PUMA5 +#ifdef USB_MIB_SUPPORT + init_mib_counters(net); +#endif +#endif + /* network device setup */ + dev->net = net; + strcpy (net->name, "usb%d"); + dev->cdc = cdc; + dev->zlp = zlp; + dev->in_ep = in_ep; + dev->out_ep = out_ep; + dev->status_ep = status_ep; + + dev->rndis_configured = 0; + /* Module params for these addresses should come from ID proms. + * The host side address is used with CDC and RNDIS, and commonly + * ends up in a persistent config database. */ - dev_warn(&gadget->dev, - "controller '%s' not recognized; trying %s\n", - gadget->name, - eth_config_driver.label); - device_desc.bcdDevice = - cpu_to_le16(0x0300 | 0x0099); +#if defined(CONFIG_MACH_PUMA5) && defined(DEFAULT_USB_INSTANCE) + if( !dev_addr ) + { + dev_addr = (char *)DEFAULT_USB_DEVICE_MAC_ADDRESS; } + if ( puma5_usb_host_address ) + { + host_addr = puma5_usb_host_address; + } + + if( !host_addr ) + { + host_addr = (char *)DEFAULT_USB_PC_MAC_ADDRESS; + } +#endif + if (get_ether_addr(dev_addr, net->dev_addr)){ + dev_warn(&gadget->dev, + "using random %s ethernet address\n", "self"); + dprintk("using random %s ethernet address\n", "self"); + } + if (cdc || rndis) { + if (get_ether_addr(host_addr, dev->host_mac)){ + dev_warn(&gadget->dev, + "using random %s ethernet address\n", "host"); + dprintk( "using random %s ethernet address\n", "host"); + } +#ifdef DEV_CONFIG_CDC + snprintf (ethaddr, sizeof ethaddr, "%02X%02X%02X%02X%02X%02X", + dev->host_mac [0], dev->host_mac [1], + dev->host_mac [2], dev->host_mac [3], + dev->host_mac [4], dev->host_mac [5]); +#endif + } - /* Allocate string descriptor numbers ... note that string - * contents can be overridden by the composite_dev glue. - */ - - /* device descriptor strings: manufacturer, product */ - snprintf(manufacturer, sizeof manufacturer, "%s %s with %s", - init_utsname()->sysname, init_utsname()->release, - gadget->name); - status = usb_string_id(cdev); - if (status < 0) + if (rndis) { + status = rndis_init(); + if (status < 0) { + dev_err (&gadget->dev, "can't init RNDIS, %d\n", + status); goto fail; - strings_dev[STRING_MANUFACTURER_IDX].id = status; - device_desc.iManufacturer = status; + } + } - status = usb_string_id(cdev); - if (status < 0) +#if 0 + net->change_mtu = g_eth_change_mtu; + net->get_stats = eth_get_stats; + net->hard_start_xmit = eth_start_xmit; + net->open = eth_open; +#ifdef CONFIG_MACH_PUMA5 +#ifdef USB_MIB_SUPPORT + net->do_ioctl = eth_ioctl; +#endif +#endif + net->stop = eth_stop; +#endif + net->netdev_ops = ð_netdev_ops; + + +#if defined(CONFIG_ARM_AVALANCHE_PPD) && defined(CONFIG_USB_PPD_SUPPORT) +{ + int i; + if( rndis_default_mode ) + pid_type = TI_PP_PID_TYPE_USBRNDIS; + else + pid_type = TI_PP_PID_TYPE_USBCDC; + + printk("%s: create usb pids(",__FUNCTION__); + for(i=0; i<4; ++i){ +#ifdef CONFIG_TI_PACKET_PROCESSOR + net->pid_handle = usb_add_pid (i,pid_type); + net->vpid_block.type = TI_PP_ETHERNET; + net->vpid_block.parent_pid_handle = net->pid_handle; + net->vpid_block.egress_mtu = 0; + net->vpid_block.priv_tx_data_len = 0; + +#else /* !CONFIG_TI_PACKET_PROCESSOR */ + printk(" %d", usb_add_pid (i,pid_type)); +#endif /* CONFIG_ARM_AVALANCHE_PPD */ + } + printk(" )\n"); +} +#endif + // watchdog_timeo, tx_timeout ... + // set_multicast_list + SET_ETHTOOL_OPS(net, &ops); + + /* preallocate control message data and buffer */ + dev->req = eth_req_alloc (gadget->ep0, USB_BUFSIZ, GFP_KERNEL); + if (!dev->req) goto fail; - strings_dev[STRING_PRODUCT_IDX].id = status; - device_desc.iProduct = status; + dev->req->complete = eth_setup_complete; - /* register our configuration(s); RNDIS first, if it's used */ - if (has_rndis()) { - status = usb_add_config(cdev, &rndis_config_driver, - rndis_do_config); - if (status < 0) + /* ... and maybe likewise for status transfer */ +#if defined(DEV_CONFIG_CDC) || defined(CONFIG_USB_ETH_RNDIS) + if (dev->status_ep) { + dev->stat_req = eth_req_alloc (dev->status_ep, + STATUS_BYTECOUNT, GFP_KERNEL); + if (!dev->stat_req) { + eth_req_free (gadget->ep0, dev->req); goto fail; } + dev->stat_req->context = NULL; + } +#endif + + /* finish hookup to lower layer ... */ + dev->gadget = gadget; + set_gadget_data (gadget, dev); + gadget->ep0->driver_data = dev; + + /* two kinds of host-initiated state changes: + * - iff DATA transfer is active, carrier is "on" + * - tx queueing enabled if open *and* carrier is "on" + */ + netif_stop_queue (dev->net); + netif_carrier_off (dev->net); - status = usb_add_config(cdev, ð_config_driver, eth_do_config); + SET_NETDEV_DEV (dev->net, &gadget->dev); + status = register_netdev (dev->net); if (status < 0) + goto fail1; + + INFO (dev, "%s, version: " DRIVER_VERSION "\n", driver_desc); + INFO (dev, "using %s, OUT %s IN %s%s%s\n", gadget->name, + out_ep->name, in_ep->name, + status_ep ? " STATUS " : "", + status_ep ? status_ep->name : "" + ); + INFO (dev, "MAC %02x:%02x:%02x:%02x:%02x:%02x\n", + net->dev_addr [0], net->dev_addr [1], + net->dev_addr [2], net->dev_addr [3], + net->dev_addr [4], net->dev_addr [5]); + + if (cdc || rndis){ + INFO (dev, "HOST MAC %02x:%02x:%02x:%02x:%02x:%02x\n", + dev->host_mac [0], dev->host_mac [1], + dev->host_mac [2], dev->host_mac [3], + dev->host_mac [4], dev->host_mac [5]); + + + INFO(dev,"VendorID %04x\n", le16_to_cpu(device_desc.idVendor)); + INFO(dev,"ProductID %04x\n", le16_to_cpu(device_desc.idProduct)); + } + + + + if (rndis) { + u32 vendorID = 0; + + /* FIXME RNDIS vendor id == "vendor NIC code" == ? */ + + dev->rndis_config = rndis_register (rndis_control_ack); + if (dev->rndis_config < 0) { +fail0: + unregister_netdev (dev->net); + status = -ENODEV; goto fail; + } + + /* these set up a lot of the OIDs that RNDIS needs */ + rndis_set_host_mac (dev->rndis_config, dev->host_mac); + if (rndis_set_param_dev (dev->rndis_config, dev->net, + &dev->stats, &dev->cdc_filter)) + goto fail0; + if (rndis_set_param_vendor (dev->rndis_config, vendorID, + manufacturer)) + goto fail0; + if (rndis_set_param_medium (dev->rndis_config, + NDIS_MEDIUM_802_3, + 0)) + goto fail0; + +// INFO(dev,"VendorID %04x\n", le16_to_cpu(device_desc.idVendor)); +// INFO(dev,"ProductID %04x\n", le16_to_cpu(device_desc.idProduct)); + INFO (dev, "RNDIS ready\n"); + } + + +#ifdef CONFIG_MACH_PUMA5 + +#ifdef USB_MIB_SUPPORT + + /* mib counter support */ + dev->pde = create_proc_entry("avalanche/usb_stats", S_IFREG | S_IRUGO | S_IWUSR, NULL); + if( dev->pde ){ + dev->pde->read_proc = proc_read_usb_stats; + dev->pde->write_proc = proc_write_usb_stats; + dev->pde->data = net; + dev->pde->size = 0; + }else + printk("\n could not create avalanche/usb_stats proc entry"); + + dev->usblink_pde = create_proc_entry("avalanche/usb_link", S_IFREG | S_IRUGO | S_IWUSR, NULL); + if( dev->pde ){ + dev->usblink_pde->read_proc = proc_read_usb_link; + dev->usblink_pde->write_proc = 0; + dev->usblink_pde->data = net; + dev->usblink_pde->size = 0; + }else + printk("\n could not create avalanche/usb_link proc entry"); + + dev->usbinfo_pde = create_proc_entry("avalanche/usb_info", S_IFREG | S_IRUGO | S_IWUSR, NULL); + if( dev->pde ){ + dev->usbinfo_pde->read_proc = proc_read_usb_info; + dev->usbinfo_pde->write_proc = 0; + dev->usbinfo_pde->data = net; + dev->usbinfo_pde->size = 0; + }else + printk("\n could not create avalanche/usb_info proc entry"); +#ifdef USB_PERFCNT_SELECT + dev->usbcppi_pde = create_proc_entry("avalanche/usb_cppi", S_IFREG | S_IRUGO | S_IWUSR, NULL); + if( dev->pde ){ + dev->usbcppi_pde->read_proc = proc_read_usb_cppi; + dev->usbcppi_pde->write_proc = proc_write_usb_cppi; + dev->usbcppi_pde->data = net; + dev->usbcppi_pde->size = 0; + }else + printk("\n could not create avalanche/usb_cppi proc entry"); +#endif + dev->usbixia_pde = create_proc_entry("avalanche/usb_config_mode", S_IFREG | S_IRUGO | S_IWUSR, NULL); + if( dev->pde ){ + dev->usbixia_pde->read_proc = proc_read_usb_config_mode; + dev->usbixia_pde->write_proc = proc_write_usb_config_mode; + dev->usbixia_pde->data = net; + dev->usbixia_pde->size = 0; + }else + printk("\n could not create avalanche/usb_config_mode proc entry"); +#endif +#endif - dev_info(&gadget->dev, "%s, version: " DRIVER_VERSION "\n", - DRIVER_DESC); - return 0; + return status; +fail1: + dev_dbg(&gadget->dev, "register_netdev failed, %d\n", status); fail: - gether_cleanup(); + eth_unbind (gadget); return status; } -static int __exit eth_unbind(struct usb_composite_dev *cdev) +/*-------------------------------------------------------------------------*/ + +static void +eth_suspend (struct usb_gadget *gadget) { - gether_cleanup(); - return 0; + struct eth_dev *dev = get_gadget_data (gadget); + + DEBUG (dev, "suspend\n"); + dev->suspended = 1; } -static struct usb_composite_driver eth_driver = { - .name = "g_ether", - .dev = &device_desc, - .strings = dev_strings, - .unbind = __exit_p(eth_unbind), +static void +eth_resume (struct usb_gadget *gadget) +{ + struct eth_dev *dev = get_gadget_data (gadget); + + DEBUG (dev, "resume\n"); + dev->suspended = 0; +} + +/*-------------------------------------------------------------------------*/ + +static struct usb_gadget_driver eth_driver = { + .speed = DEVSPEED, + + .function = (char *) driver_desc, + .unbind = eth_unbind, + + .setup = eth_setup, + .disconnect = eth_disconnect, + + .suspend = eth_suspend, + .resume = eth_resume, + + .driver = { + .name = (char *) shortname, + .owner = THIS_MODULE, + }, }; -MODULE_DESCRIPTION(PREFIX DRIVER_DESC); +MODULE_DESCRIPTION (DRIVER_DESC); MODULE_AUTHOR("David Brownell, Benedikt Spanger"); MODULE_LICENSE("GPL"); + static int __init init(void) { - return usb_composite_probe(ð_driver, eth_bind); + return usb_gadget_probe_driver(ð_driver, eth_bind); } module_init(init); static void __exit cleanup(void) { - usb_composite_unregister(ð_driver); + usb_gadget_unregister_driver (ð_driver); } module_exit(cleanup); + +#ifdef CONFIG_MACH_PUMA5 +#ifdef USB_MIB_SUPPORT +static int init_mib_counters(struct net_device *p_dev) +{ + struct eth_dev *dev; + if( !p_dev ) + return -1; + + dev = netdev_priv(p_dev); + + /* clear Transmission counters. */ + dev->ifstats.broadcast_pkts_txed = 0; + dev->ifstats.broadcast_bytes_txed = 0; + dev->ifstats.multicast_pkts_txed = 0; + dev->ifstats.multicast_bytes_txed = 0; + dev->ifstats.unicast_pkts_txed = 0; + dev->ifstats.unicast_bytes_txed = 0; + dev->ifstats.transmit_packets_dropped = 0; + dev->ifstats.tx_errors = 0; + + /* clear Receive counters */ + dev->ifstats.broadcast_pkts_rxed = 0; + dev->ifstats.broadcast_bytes_rxed = 0 ; + dev->ifstats.multicast_pkts_rxed = 0; + dev->ifstats.multicast_bytes_rxed = 0; + dev->ifstats.unicast_pkts_rxed = 0; + dev->ifstats.unicast_bytes_rxed = 0; + dev->ifstats.receive_packets_dropped = 0; + dev->ifstats.rx_errors = 0; + dev->ifstats.unknownProtPkts = 0; + return 0; + +} +int rndis_usb_get_mib_stats(struct net_device *p_dev, int command, void *data) +{ + int error_status = 0; + struct eth_dev *dev; + dev = netdev_priv(p_dev); + switch(command) + { + case TI_SIOCGINTFCOUNTERS: + { + USB_MIB2_IF_COUNTERS *ptr_if_cntr; + CDC_RNDIS_STATS *ptr_rndis_stats; + + ptr_rndis_stats = &dev->ifstats; + ptr_if_cntr = (USB_MIB2_IF_COUNTERS *)data; + + memset((void *)ptr_if_cntr, 0 , sizeof(USB_MIB2_IF_COUNTERS)); + + ptr_if_cntr->inBytesLow = ptr_rndis_stats->unicast_bytes_rxed + + ptr_rndis_stats->broadcast_bytes_rxed + + ptr_rndis_stats->multicast_bytes_rxed ; + + ptr_if_cntr->inUnicastPktsLow = ptr_rndis_stats->unicast_pkts_rxed; + ptr_if_cntr->inBroadcastPktsLow = ptr_rndis_stats->broadcast_pkts_rxed; + ptr_if_cntr->inMulticastPktsLow = ptr_rndis_stats->multicast_pkts_rxed; + ptr_if_cntr->inDiscardPkts = ptr_rndis_stats->receive_packets_dropped; + + ptr_if_cntr->outBytesLow = ptr_rndis_stats->unicast_bytes_txed + + ptr_rndis_stats->broadcast_bytes_txed + + ptr_rndis_stats->multicast_bytes_txed ; + + ptr_if_cntr->outUnicastPktsLow = ptr_rndis_stats->unicast_pkts_txed; + ptr_if_cntr->outBroadcastPktsLow = ptr_rndis_stats->broadcast_pkts_txed; + ptr_if_cntr->outMulticastPktsLow = ptr_rndis_stats->multicast_pkts_txed; + ptr_if_cntr->outDiscardPkts = ptr_rndis_stats->transmit_packets_dropped; + + break; + } + +/* case TI_SIOCGUSBPARAMS: + { + break; + } + + case TI_SIOCGETHERCOUNTERS: + case TI_SIOCGUSBCOUNTERS: + { + break; + } +*/ + case TI_SIOCSINTFADMINSTATUS: + { +#if 0 + USB_MIB2_IF_COMMAND * ptr_if_cmd; + ptr_if_cmd = (USB_MIB2_IF_COMMAND *)data; + + if(ptr_if_cmd->ifAdminStatus == MIB2_STATUS_UP + || ptr_if_cmd->ifAdminStatus == MIB2_STATUS_DOWN) + /* Only these states are supported at present */ + { + ptr_cdc_rndis_mcb->mib2_intf_status = ptr_if_cmd->ifAdminStatus; + } + else + error_status=-1; +#endif + break; + } + + case TI_SIOCGINTFPARAMS: + { + USB_MIB2_IF_PARAMS * ptr_if_param; + ptr_if_param = (USB_MIB2_IF_PARAMS *)data; + + memset((void *)ptr_if_param, 0 , sizeof(USB_MIB2_IF_PARAMS)); + + switch (dev->gadget->speed) { + case USB_SPEED_FULL: + ptr_if_param->ifSpeed = 12000000; + break; +#ifdef CONFIG_USB_GADGET_DUALSPEED + case USB_SPEED_HIGH: + ptr_if_param->ifSpeed = 480000000; + break; +#endif + default: + ptr_if_param->ifSpeed = 0; + break; + } + + ptr_if_param->ifHighSpeed = 0; /* TODO */ + ptr_if_param->ifOperStatus = /* TODO down, up, dormant */ + ((p_dev->flags & IFF_UP) ? MIB2_STATUS_UP : MIB2_STATUS_DOWN); + + ptr_if_param->ifPromiscuousMode = + ((p_dev->flags & IFF_PROMISC) ? 1 : 0 ); + + break; + } + + default: + { + break; + } + } + return error_status; +} + +typedef struct { + unsigned int cmd; /**< Command */ + void *data; /**< Data provided with the command - depending upon command */ +} ethDrvPrivIoctl; +#define USB_SET_HOSTMAC_ADDR 1 +/* Ioctl function */ +static int eth_ioctl(struct net_device *p_dev, struct ifreq *rq, int cmd) +{ + int ret = 0; + ethDrvPrivIoctl privIoctl; + struct eth_dev *dev = netdev_priv(p_dev); + char host_mac_addr[18]; + + if (cmd == SIOCDEVPRIVATE) { + if (copy_from_user((char *) &privIoctl, (char *) rq->ifr_data,sizeof(ethDrvPrivIoctl))){ + return -EFAULT; + } + switch (privIoctl.cmd) { + /* Program Type 2/3 Address Filter */ + case USB_SET_HOSTMAC_ADDR: + if (copy_from_user + ((char *)host_mac_addr, (char *) privIoctl.data, + sizeof(host_mac_addr))){ + return -EFAULT; + } + if (get_ether_addr(host_mac_addr, dev->host_mac)){ + printk( "invalid host mac address\n"); + } + printk("host_mac changed to %02x:%02x:%02x:%02x:%02x:%02x\n",dev->host_mac[0],dev->host_mac[1], + dev->host_mac[2],dev->host_mac[3],dev->host_mac[4],dev->host_mac[5]); + + rndis_set_host_mac (dev->rndis_config, dev->host_mac); + break; + default: + return -EFAULT; + break; + } + + } else if (cmd == SIOTIMIB2) { + TI_SNMP_CMD_T ti_snmp_cmd; + + /* copy from user data */ + if( copy_from_user((char *)&ti_snmp_cmd, (char *)rq->ifr_data, + sizeof(TI_SNMP_CMD_T))) + return -EFAULT ; + + switch( ti_snmp_cmd.cmd ) { + case TI_SIOCGINTFCOUNTERS: + { + USB_MIB2_IF_COUNTERS localCounters; + ret = rndis_usb_get_mib_stats(p_dev, ti_snmp_cmd.cmd, (void *) &localCounters); + + if( !ret ){ + /* copy to user data */ + if( copy_to_user( (char *)ti_snmp_cmd.data, + (char *)&localCounters, sizeof(USB_MIB2_IF_COUNTERS))) + return -EFAULT; + }else + return -EFAULT; + + break; + } + case TI_SIOCGINTFPARAMS: + { + USB_MIB2_IF_PARAMS localParams; + ret = rndis_usb_get_mib_stats(p_dev,ti_snmp_cmd.cmd, (void *) &localParams); + + if( !ret ){ + /* copy to mib counters to user data */ + if( copy_to_user((char *)ti_snmp_cmd.data, + (char *)&localParams, sizeof(USB_MIB2_IF_PARAMS))) + return -EFAULT; + }else + return - EFAULT; + + break; + } + case TI_SIOCGETHERCOUNTERS: + { + + break; + } + case TI_SIOCGETHERPARAMS: + { + break; + } + + case TI_SIOCSINTFADMINSTATUS: + { + USB_MIB2_IF_COMMAND localParams; + ret = rndis_usb_get_mib_stats(p_dev, ti_snmp_cmd.cmd, (void *) &localParams); + +// localParams.ifAdminStatus = (p_dev->flags & IFF_UP) ? 1 :2; + + if( !ret ){ + /* copy to user data */ + if( copy_to_user( (char *)ti_snmp_cmd.data, + (char *)&localParams, sizeof(USB_MIB2_IF_COMMAND))) + return -EFAULT; + }else + return -EFAULT; + break; + } + } + + + }/* elseif */ + return 0; +} + +static int proc_read_usb_stats(char *page, char **start, + off_t off, int count, int *eof, void *data) +{ + struct eth_dev *dev; + struct net_device *p_dev; + int len = 0,limit = count - 80; + + p_dev = (struct net_device *)data; + if( !p_dev ) + goto proc_error; + + dev = netdev_priv(p_dev); + + /* clear Transmission counters. */ + len += sprintf(page+len," USB-MIB Counters - Tx \n"); + if( len <= limit ) + len += sprintf(page+len,"\t ifstats.broadcast_pkts_txed = %u \n", dev->ifstats.broadcast_pkts_txed); + if( len <= limit ) + len += sprintf(page+len,"\t ifstats.broadcast_bytes_txed = %u \n",dev->ifstats.broadcast_bytes_txed) ; + if( len <= limit ) + len += sprintf(page+len,"\t ifstats.multicast_pkts_txed = %u \n",dev->ifstats.multicast_pkts_txed); + if( len <= limit ) + len += sprintf(page+len,"\t ifstats.multicast_bytes_txed = %u\n",dev->ifstats.multicast_bytes_txed); + if( len <= limit ) + len += sprintf(page+len,"\t ifstats.unicast_pkts_txed = %u\n",dev->ifstats.unicast_pkts_txed ); + if( len <= limit ) + len += sprintf(page+len,"\t ifstats.unicast_bytes_txed = %u\n",dev->ifstats.unicast_bytes_txed ); + if( len <= limit ) + len += sprintf(page+len,"\t ifstats.transmit_packets_dropped = %u\n",dev->ifstats.transmit_packets_dropped ); + if( len <= limit ) + len += sprintf(page+len,"\t ifstats.tx_errors = %u\n",dev->ifstats.tx_errors ); + /* clear Receive counters */ + if( len <= limit ) + len += sprintf(page+len," USB-MIB Counters - Rx \n"); + if( len <= limit ) + len += sprintf(page+len,"\t ifstats.broadcast_pkts_rxed = %u\n",dev->ifstats.broadcast_pkts_rxed ) ; + if( len <= limit ) + len += sprintf(page+len,"\t ifstats.broadcast_bytes_rxed = %u\n",dev->ifstats.broadcast_bytes_rxed ) ; + if( len <= limit ) + len += sprintf(page+len,"\t ifstats.multicast_pkts_rxed = %u\n",dev->ifstats.multicast_pkts_rxed) ; + if( len <= limit ) + len += sprintf(page+len,"\t ifstats.multicast_bytes_rxed = %u\n",dev->ifstats.multicast_bytes_rxed) ; + if( len <= limit ) + len += sprintf(page+len,"\t ifstats.unicast_pkts_rxed = %u\n",dev->ifstats.unicast_pkts_rxed ); + if( len <= limit ) + len += sprintf(page+len,"\t ifstats.unicast_bytes_rxed = %u\n",dev->ifstats.unicast_bytes_rxed ); + if( len <= limit ) + len += sprintf(page+len,"\t ifstats.receive_packets_dropped = %u\n",dev->ifstats.receive_packets_dropped); + if( len <= limit ) + len += sprintf(page+len,"\t ifstats.rx_errors = %u\n",dev->ifstats.rx_errors) ; + if( len <= limit ) + len += sprintf(page+len,"\t ifstats.unknownProtPkts = %u\n",dev->ifstats.unknownProtPkts); + + if( len <= limit ) + len += sprintf(page+len," mib2_ifParams \n"); + if( len <= limit ) + len += sprintf(page+len,"\t ifSpeed = %s\n",(dev->gadget->speed == USB_SPEED_FULL)? "12Mbps" + :(dev->gadget->speed == USB_SPEED_HIGH)? "480Mbps" : "Unknown"); +/* + if( len <= limit ) + len += sprintf(page+len,"\t ifHighSpeed = \n"); + if( len <= limit ) + len += sprintf(page+len,"\t ifOperStatus = %s\n",(p_dev->flags & IFF_UP) ? "Up" : "Down"); + if( len <= limit ) + len += sprintf(page+len,"\t ifPromiscuousMode = %s\n",(p_dev->flags & IFF_PROMISC) ? "On" : "Off" ); +*/ + if( len <= limit ) + len += sprintf(page+len," mib2_ifCommand \n"); + if( len <= limit ) + len += sprintf(page+len,"\t ifAdminStatus = %d\n", (p_dev->flags & IFF_UP) ? 1 :2); + + return len ; + +proc_error: + *eof = 1; + return len; +} +static int clear_ethdev_net_stats(struct eth_dev *dev) +{ + + dev->stats.rx_packets = 0; /* total packets received */ + dev->stats.tx_packets = 0; /* total packets transmitted */ + dev->stats.rx_bytes = 0; /* total bytes received */ + dev->stats.tx_bytes = 0; /* total bytes transmitted */ + dev->stats.rx_errors = 0; /* bad packets received */ + dev->stats.tx_errors = 0; /* packet transmit problems */ + dev->stats.rx_dropped = 0; /* no space in linux buffers */ + dev->stats.tx_dropped = 0; /* no space available in linux */ + dev->stats.multicast = 0; /* multicast packets received */ + dev->stats.collisions = 0; + + /* detailed rx_errors: */ + dev->stats.rx_length_errors = 0; + dev->stats.rx_over_errors = 0; /* receiver ring buff overflow */ + dev->stats.rx_crc_errors = 0; /* recved pkt with crc error */ + dev->stats.rx_frame_errors = 0; /* recv'd frame alignment error */ + dev->stats.rx_fifo_errors = 0; /* recv'r fifo overrun */ + dev->stats.rx_missed_errors = 0; /* receiver missed packet */ + + /* detailed tx_errors */ + dev->stats.tx_aborted_errors = 0; + dev->stats.tx_carrier_errors = 0; + dev->stats.tx_fifo_errors = 0; + dev->stats.tx_heartbeat_errors = 0; + dev->stats.tx_window_errors = 0; + + /* for cslip etc */ + dev->stats.rx_compressed = 0; + dev->stats.tx_compressed = 0; + return 0; +} + +/* Write stats */ +static int proc_write_usb_stats(struct file *fp, const char *buf, unsigned long count, + void *data) +{ + char local_buf[31]; + int ret_val = 0; + + struct net_device *p_dev; + struct eth_dev *dev; + + if (count > 30) { + printk("Use \"echo 0 > usb_stats\" to reset the statistics\n"); + return -EFAULT; + } + + copy_from_user(local_buf, buf, count); + local_buf[count - 1] = '\0'; /* Ignoring last \n char */ + ret_val = count; + + p_dev = (struct net_device *)data; + dev = netdev_priv(p_dev); + + + if (strcmp("0", local_buf) == 0) { + + /* clear Transmission counters. */ + dev->ifstats.broadcast_pkts_txed = 0; + dev->ifstats.broadcast_bytes_txed = 0; + dev->ifstats.multicast_pkts_txed = 0; + dev->ifstats.multicast_bytes_txed = 0; + dev->ifstats.unicast_pkts_txed = 0; + dev->ifstats.unicast_bytes_txed = 0; + dev->ifstats.transmit_packets_dropped = 0; + dev->ifstats.tx_errors = 0; + + /* clear Receive counters */ + dev->ifstats.broadcast_pkts_rxed = 0; + dev->ifstats.broadcast_bytes_rxed = 0 ; + dev->ifstats.multicast_pkts_rxed = 0; + dev->ifstats.multicast_bytes_rxed = 0; + dev->ifstats.unicast_pkts_rxed = 0; + dev->ifstats.unicast_bytes_rxed = 0; + dev->ifstats.receive_packets_dropped = 0; + dev->ifstats.rx_errors = 0; + dev->ifstats.unknownProtPkts = 0; + + clear_ethdev_net_stats ( dev ); + printk("Resetting statistics for usb interface\n"); + + } else{ + printk("Error: Unknown operation on usb_stats statistics\n"); + printk("Use \"echo 0 > usb_stats\" to reset the statistics\n"); + return -EFAULT; + } + return ret_val; +} + +static int proc_read_usb_link(char *page, char **start, + off_t off, int count, int *eof, void *data) +{ + + struct eth_dev *dev; + struct net_device *p_dev; + int len = 0,limit = count - 80; + + p_dev = (struct net_device *)data; + if( !p_dev ) + goto proc_error; + + dev = netdev_priv(p_dev); + + if( netif_carrier_ok(p_dev) && (p_dev->flags & IFF_UP) ) + { + if( len < limit ) + len += sprintf(page+len," usb0:Link Status: %s, speed = %s, Mode : %s\n","Up" , + (dev->gadget->speed == USB_SPEED_FULL)? "Full":(dev->gadget->speed == USB_SPEED_HIGH)? "High" : "Unknown", + cdc_active(dev)?"cdc":rndis_active(dev)?"rndis":"Unknown" + ); + } + else{ + if( len < limit ) + len += sprintf(page+len," usb0:Link Status: %s\n","Down"); + } + +proc_error: + *eof = 1; + return len; +} +static int proc_read_usb_info(char *page, char **start, + off_t off, int count, int *eof, void *data) +{ + struct eth_dev *dev; + struct net_device *net; + int len = 0,limit = count - 80; + + net = (struct net_device *)data; + if( !net ) + goto proc_error; + + dev = netdev_priv(net); + + if( len < limit ) + len += sprintf(page+len, "%s, version: " DRIVER_VERSION "\n", driver_desc); + if( len < count ) + len += sprintf(page+len, "using %s, OUT %s IN %s%s%s\n", dev->gadget->name, + dev->out_ep->name, dev->in_ep->name, + dev->status_ep ? " STATUS " : "", + dev->status_ep ? dev->status_ep->name : "" + ); + if( len < limit ) + len += sprintf(page+len, "MAC %02x:%02x:%02x:%02x:%02x:%02x\n", + net->dev_addr [0], net->dev_addr [1], + net->dev_addr [2], net->dev_addr [3], + net->dev_addr [4], net->dev_addr [5]); + + if (cdc_active(dev) || rndis_active(dev)) + if( len < limit ) + len += sprintf(page+len, "HOST MAC %02x:%02x:%02x:%02x:%02x:%02x\n", + dev->host_mac [0], dev->host_mac [1], + dev->host_mac [2], dev->host_mac [3], + dev->host_mac [4], dev->host_mac [5]); + if( len < limit ) + len += sprintf(page+len,"VendorID %04x\n", le16_to_cpu(device_desc.idVendor)); + if( len < limit ) + len += sprintf(page+len,"ProductID %04x\n", le16_to_cpu(device_desc.idProduct)); + if( len < limit ) + len += sprintf(page+len,"Configured as %s mode\n", cdc_active(dev)?"cdc":rndis_active(dev)?"rndis":"Unknown"); + if( len < limit ) + len += sprintf(page+len,"USB CONFIGURATION = %s\n", rndis_default_mode?"A":"B"); + +#if defined(CONFIG_ARM_AVALANCHE_PPD) && defined(CONFIG_USB_PPD_SUPPORT) + if( len < limit ){ + if( created_usb_pidtype == 3 ) + len += sprintf(page+len,"USB PID_TYPE(%d) = %s\n",created_usb_pidtype, "RNDIS"); + else + if( created_usb_pidtype == 4 ) + len += sprintf(page+len,"USB PID_TYPE(%d) = %s\n",created_usb_pidtype, "CDC"); + } +#endif +proc_error: + *eof = 1; + return len; +} +#ifdef USB_PERFCNT_SELECT + +#define MAX_COUNTER 17 +struct cppi_counter { + char name[40]; + u32 addr; +}; +u32 gPktDoneCfgvalue =0, gPktDoneCntValue = 0; +struct cppi_counter cppi_cnt[MAX_COUNTER] = { + { "usb RxDmaCh4 pkt discard due buf/starv",IO_ADDRESS(0x08690204) }, + { "usb RxDmaCh5 pkt discard due buf/starv",IO_ADDRESS(0x08690208) }, + { "usb RxDmaCh6 pkt discard due buf/starv",IO_ADDRESS(0x0869020c) }, + { "usb RxDmaCh7 pkt discard due buf/starv",IO_ADDRESS(0x08690210) }, + { "queue pending register 0..31",IO_ADDRESS(0x0306a090) }, + { "queue pending register 32..63",IO_ADDRESS(0x0306a094) }, + { "queue pending register 64..95",IO_ADDRESS(0x0306a098) }, + { "queue pending register 96..127",IO_ADDRESS(0x0306a09c) }, + { "queue pending register 128..159",IO_ADDRESS(0x0306a0a0) }, + { "queue pending register 160..191",IO_ADDRESS(0x0306a0a4) }, + { "queue pending register 192..223",IO_ADDRESS(0x0306a0a8) }, + { "queue pending register 224..255",IO_ADDRESS(0x0306a0ac) }, + { "queue pending register 256..287",IO_ADDRESS(0x0306a0b0) }, + { "queue pending register 288..319",IO_ADDRESS(0x0306a0b4) }, + { "queue pending register 320..351",IO_ADDRESS(0x0306a0b8) }, + { "queue pending register 352..383",IO_ADDRESS(0x0306a0bc) }, + { "usb pakcet Done counter ",IO_ADDRESS(0x08690248) } +}; + +#if defined(CONFIG_ARM_AVALANCHE_PPD) && defined(CONFIG_USB_PPD_SUPPORT) +extern int apdsp_read_statistics(int index_code, u32 *buf, int bufLen); +extern void Debug_monitor(int debug_queue, int dispBD ); +#endif +static int proc_read_usb_cppi(char *page, char **start, + off_t off, int count, int *eof, void *data) +{ + struct eth_dev *dev; + struct net_device *p_dev; + //int len = 0,limit = count - 80 + int i; + int value = gPktDoneCfgvalue; + + p_dev = (struct net_device *)data; + + dev = netdev_priv(p_dev); + + /* clear Transmission counters. */ + for(i=0; i>1),cppi_cnt[i].addr, *(u32 *)cppi_cnt[i].addr); + printk("\t %s for %sDmaCh%d after new cfg [%08x]=%u\n", + cppi_cnt[i].name,(value & 1)?"Rx":"Tx",(value>>1),cppi_cnt[i].addr, *(u32 *)cppi_cnt[i].addr - gPktDoneCntValue); + } + +#if defined(CONFIG_ARM_AVALANCHE_PPD) && defined(CONFIG_USB_PPD_SUPPORT) +#if 0 + { +#define Cppi41QStatus(qnum) *(volatile Uint32 *)(0xd3020000+(qnum)*16+0x00) + printk(" Queue(204):%d\n",Cppi41QStatus(204)); + printk(" Queue(206):%d\n",Cppi41QStatus(206)); + printk(" Queue(145):%d\n",Cppi41QStatus(145)); + printk(" Queue(120):%d\n",Cppi41QStatus(120)); + printk(" Queue(57):%d\n",Cppi41QStatus(59)); + // Debug_monitor(150,0); +/* { + TI_PP_GLOBAL_STATS stats; + printk(" ret = %d=ti_ppd_get_srl_pkt_stats()\n",ti_ppd_get_srl_pkt_stats(&stats)); + printk("packets_rxed = %d\n",stats.packets_rxed); + printk("packets_searched = %d\n",stats.packets_searched); + printk("search_matched = %d\n",stats.search_matched); + printk("sync_delay = %d\n",stats.sync_delay); + printk("packets_fwd = %d\n",stats.packets_fwd); + printk("desc_starved = %d\n",stats.desc_starved); + printk("ipv4_packets_fwd = %d\n",stats.ipv4_packets_fwd); + printk("buffer_starved = %d\n",stats.buffer_starved); + } +*/ + } +#endif +#endif + return 0; +} +u32 cppi_txrx_done_cfg_adr = IO_ADDRESS(0x08690200); +static int proc_write_usb_cppi(struct file *fp, const char *buf, unsigned long count, + void *data) +{ + char local_buf[31]; + int ret_val = 0; + + struct net_device *p_dev; + struct eth_dev *dev; + u32 value =0; + + if (count > 30) { + printk("Use \"echo 0 > usb_stats\" to reset the statistics\n"); + return -EFAULT; + } + + copy_from_user(local_buf, buf, count); + local_buf[count - 1] = '\0'; /* Ignoring last \n char */ + ret_val = count; + + p_dev = (struct net_device *)data; + dev = netdev_priv(p_dev); + + if (strcmp("0", local_buf) == 0) { + value = 0; + *(u32 *)cppi_txrx_done_cfg_adr = 0; + printk("written %x to Adr %x, readback val = %x",value, cppi_txrx_done_cfg_adr,*(u32 *)cppi_txrx_done_cfg_adr); + } else + if (strcmp("1", local_buf) == 0) { + value = (4 <<1) | 1; + *(u32 *)cppi_txrx_done_cfg_adr = value ; + printk("Configuring Packet Done counter for RxDmaCh4(ep1out)\n written %x to Adr %x, readback val = %x", + value, cppi_txrx_done_cfg_adr,*(u32 *)cppi_txrx_done_cfg_adr); + } else + if (strcmp("2", local_buf) == 0) { + value = (5 <<1) | 1; + *(u32 *)cppi_txrx_done_cfg_adr = value ; + printk("Configuring Packet Done counter for RxDmaCh5(ep2out)\n written %x to Adr %x, readback val = %x", + value, cppi_txrx_done_cfg_adr,*(u32 *)cppi_txrx_done_cfg_adr); + } else + if (strcmp("3", local_buf) == 0) { + value = (6 <<1) | 1; + *(u32 *)cppi_txrx_done_cfg_adr = value ; + printk("Configuring Packet Done counter for RxDmaCh6(ep3out)\n written %x to Adr %x, readback val = %x", + value, cppi_txrx_done_cfg_adr,*(u32 *)cppi_txrx_done_cfg_adr); + } else + if (strcmp("4", local_buf) == 0) { + value = (7 <<1) | 1; + *(u32 *)cppi_txrx_done_cfg_adr = value ; + printk("Configuring Packet Done counter for RxDmaCh7(ep4out)\n written %x to Adr %x, readback val = %x", + value, cppi_txrx_done_cfg_adr,*(u32 *)cppi_txrx_done_cfg_adr); + } else + if (strcmp("5", local_buf) == 0) { + value = (4 <<1); + *(u32 *)cppi_txrx_done_cfg_adr = value ; + printk("Configuring Packet Done counter for TxDmaCh4(ep1in)\n written %x to Adr %x, readback val = %x", + value, cppi_txrx_done_cfg_adr,*(u32 *)cppi_txrx_done_cfg_adr); + } else + if (strcmp("6", local_buf) == 0) { + value = (5 <<1); + *(u32 *)cppi_txrx_done_cfg_adr = value ; + printk("Configuring Packet Done counter for TxDmaCh5(ep2in)\n written %x to Adr %x, readback val = %x", + value, cppi_txrx_done_cfg_adr,*(u32 *)cppi_txrx_done_cfg_adr); + } else + if (strcmp("7", local_buf) == 0) { + value = (6 <<1); + *(u32 *)cppi_txrx_done_cfg_adr = value ; + printk("Configuring Packet Done counter for TxDmaCh6(ep3in)\n written %x to Adr %x, readback val = %x", + value, cppi_txrx_done_cfg_adr,*(u32 *)cppi_txrx_done_cfg_adr); + } else + if (strcmp("8", local_buf) == 0) { + value = (7 <<1); + *(u32 *)cppi_txrx_done_cfg_adr = value ; + printk("Configuring Packet Done counter for TxDmaCh7(ep4in)\n written %x to Adr %x, readback val = %x", + value, cppi_txrx_done_cfg_adr,*(u32 *)cppi_txrx_done_cfg_adr); + } else{ + + printk("Usage: echo 1..4 > /proc/avalanche/usb_cppi for configuring Packdone counter RxDmaCh4..7\n"); + printk(" echo 5..8 > /proc/avalanche/usb_cppi for configuring Packdone counter TxDmaCh4..7\n"); + return -EFAULT; + } + gPktDoneCntValue = *(u32 *)IO_ADDRESS(0x08690248); + gPktDoneCfgvalue = value; + printk("\n"); + return ret_val; +} +#endif +static int proc_write_usb_config_mode(struct file *fp, const char *buf, unsigned long count, + void *data) +{ + char local_buf[31]; + int ret_val = 0; + + struct net_device *p_dev; + struct eth_dev *dev; + + if (count > 30) { + return -EFAULT; + } + + copy_from_user(local_buf, buf, count); + local_buf[count - 1] = '\0'; /* Ignoring last \n char */ + ret_val = count; + + p_dev = (struct net_device *)data; + dev = netdev_priv(p_dev); + + + if (strcmp("1", local_buf) == 0) { + rndis_default_mode = 0; /* configuration mode B */ + printk("USB CONFIGURATION = %s\n", rndis_default_mode?"A":"B"); + } else + if (strcmp("0", local_buf) == 0) { + rndis_default_mode = 1; /* configuration mode A */ + printk("USB CONFIGURATION = %s\n", rndis_default_mode?"A":"B"); + } else{ +/* + printk("Error: Unknown operation on usb_configuration\n"); + printk("To select configuration A :\n\techo 0 > /proc/avalanche/usb_config_mode"); + printk("To select configuration B :\n\techo 1 > /proc/avalanche/usb_config_mode"); +*/ + return -EFAULT; + } + return ret_val; +} +static int proc_read_usb_config_mode(char *page, char **start, + off_t off, int count, int *eof, void *data) +{ + struct eth_dev *dev; + struct net_device *p_dev; + int len = 0,limit = count - 80; + + p_dev = (struct net_device *)data; + + dev = netdev_priv(p_dev); + + if( len < limit ) + len += sprintf(page+len, "%s\n", rndis_default_mode?"A":"B"); + + return len; +} +#endif +#endif + + +#if defined(CONFIG_ARM_AVALANCHE_PPD) && defined(CONFIG_USB_PPD_SUPPORT) + +static int usb_add_pid (int indx,int pid_type) +{ +#define TI_PP_PID_TYPE_USBRNDIS 3 +#define TI_PP_PID_TYPE_USBCDC 4 + + int retVal; + + /* Add USB PIDs */ + + pid_usb[indx].type = pid_type; + pid_usb[indx].ingress_framing = TI_PP_PID_INGRESS_ETHERNET + | TI_PP_PID_INGRESS_PPPOE + | TI_PP_PID_INGRESS_IPV6 + | TI_PP_PID_INGRESS_IPV4 + | TI_PP_PID_INGRESS_IPOE; + pid_usb[indx].pri_mapping = 0; /* Num prio Qs for fwd */ + pid_usb[indx].dflt_pri_drp = 0; + pid_usb[indx].dflt_dst_tag = 0x3FFF; + pid_usb[indx].dflt_fwd_q = USB_CPPI4x_USB_TO_HOST_PRXY_QNUM(0);/* Queue 226. Fwd to inf0 by default */ + pid_usb[indx].tx_pri_q_map[0] = USB_CPPI4x_EP0_TX_QNUM(0); /* Default Q used for egress rec */ + + pid_usb[indx].pid_handle = PP_USB_PID_BASE+indx; + pid_usb[indx].priv_flags = 0x0; + pid_usb[indx].tx_hw_data_len = 0; + if( pid_type == TI_PP_PID_TYPE_USBRNDIS ) + { + pid_usb[indx].tx_hw_data_len = 44; + memset (pid_usb[indx].tx_hw_data, 0, 44); + *(Uint32*)(pid_usb[indx].tx_hw_data) = cpu_to_le32(0x00000001U); + } + +#ifdef CONFIG_TI_PACKET_PROCESSOR + retVal = ti_ppm_create_pid (&pid_usb[indx], NULL); +#else + retVal = ti_ppd_create_pid (&pid_usb[indx]); +#endif + if( retVal < 0 ){ + printk ("usb_add_pid: failed to add PID(%d), retVal = %d.\n", + pid_usb[indx].pid_handle, retVal); + } + pid_usb[indx].pid_handle = retVal; + + return pid_usb[indx].pid_handle; +} + + +/************************************************************************/ +/* INSTALL PID */ +/************************************************************************/ +static int install_usb_pid(struct net_device *net, int mode, bool restore_vpids) +{ + int pid_type,i,retVal; + TI_PP_PID_RANGE pid_range_usb; + struct eth_dev *dev = netdev_priv(net); + + if( mode == 1 ) + { + pid_type = TI_PP_PID_TYPE_USBRNDIS; + } + else + { + if( dev->rndis_configured == 1) + pid_type = TI_PP_PID_TYPE_USBRNDIS; + else + pid_type = TI_PP_PID_TYPE_USBCDC; + } + + /* install usb pid ranges */ + pid_range_usb.type = pid_type; + pid_range_usb.port_num = CPPI41_SRCPORT_USBEP0; + pid_range_usb.count = PP_USB_PID_COUNT; + pid_range_usb.base_index = PP_USB_PID_BASE; + + /* configure the usb pid range */ +#ifdef CONFIG_TI_PACKET_PROCESSOR + retVal = ti_ppm_config_pid_range (&pid_range_usb); +#else + retVal = ti_ppd_config_pid_range (&pid_range_usb); +#endif + if( retVal != 0 ) + { + printk("%s: config_pid_range failed with error code %d.\n",__FUNCTION__, retVal); + } + + /* create the pid */ + for(i=0; ipid_handle = usb_add_pid (i,pid_type); + net->vpid_block.type = TI_PP_ETHERNET; + net->vpid_block.parent_pid_handle = net->pid_handle; + net->vpid_block.egress_mtu = 0; + net->vpid_block.priv_tx_data_len = 0; +#else /* !CONFIG_TI_PACKET_PROCESSOR */ + retVal = usb_add_pid (i,pid_type); +#endif + } + +#ifdef CONFIG_TI_PACKET_PROCESSOR + if (restore_vpids) + { + for(i=0; ivpid_handle = ti_ppm_create_vpid (&net->vpid_block); + } + + } + } + } +#endif + + created_usb_pidtype = pid_type; + return 0; +} + + +/************************************************************************/ +/* UN-INSTALL PID */ +/************************************************************************/ +static int uninstall_usb_pid(struct net_device *net, int mode, bool save_vpids) +{ + //printk(KERN_EMERG "[vlad] %s:%d mode=%d, save vpids=%d\n", __func__, __LINE__, mode, save_vpids); + int pid_type,i; + TI_PP_PID_RANGE pid_range_usb; + int retval; + struct eth_dev *dev = netdev_priv(net); + + if( mode == 1 ) + { + pid_type = TI_PP_PID_TYPE_USBRNDIS; + } + else + { + if( dev->rndis_configured == 1) + pid_type = TI_PP_PID_TYPE_USBRNDIS; + else + pid_type = TI_PP_PID_TYPE_USBCDC; + } + + /* install usb pid ranges */ + pid_range_usb.type = pid_type; + pid_range_usb.port_num = CPPI41_SRCPORT_USBEP0; + pid_range_usb.count = PP_USB_PID_COUNT; + pid_range_usb.base_index = PP_USB_PID_BASE; + + /* delete all usb pids configured */ + for(i=0; ivpid_handle = -1; + + created_usb_pidtype = 0; + mdelay(100); + return 0; +} +#endif