diff options
author | Jason A. Donenfeld <Jason@zx2c4.com> | 2015-08-10 17:49:51 +0200 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2015-08-10 17:00:49 -0700 |
commit | a73e99cb67e7438e5ab0c524ae63a8a27616c839 (patch) | |
tree | b33348b1d1cdd65921442804f0bd848c57642852 /drivers/staging | |
parent | f70d6318320983a8d2fac28cfe8d22dfd5e52a73 (diff) |
staging: ozwpan: Remove from tree
Ozwpan is completely unmaintained and potentially a security problem. As
this is a staging driver, it should be removed, since it has been
abandoned.
Cc: Shigekatsu Tateno <shigekatsu.tateno@atmel.com>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging')
26 files changed, 0 insertions, 6585 deletions
diff --git a/drivers/staging/Kconfig b/drivers/staging/Kconfig index 39c5df6154aa..e29293c0c71e 100644 --- a/drivers/staging/Kconfig +++ b/drivers/staging/Kconfig @@ -76,8 +76,6 @@ source "drivers/staging/android/Kconfig" source "drivers/staging/board/Kconfig" -source "drivers/staging/ozwpan/Kconfig" - source "drivers/staging/gdm72xx/Kconfig" source "drivers/staging/gdm724x/Kconfig" diff --git a/drivers/staging/Makefile b/drivers/staging/Makefile index 018093d60e85..50824dde2c09 100644 --- a/drivers/staging/Makefile +++ b/drivers/staging/Makefile @@ -31,7 +31,6 @@ obj-$(CONFIG_TOUCHSCREEN_SYNAPTICS_I2C_RMI4) += ste_rmi4/ obj-$(CONFIG_MFD_NVEC) += nvec/ obj-$(CONFIG_ANDROID) += android/ obj-$(CONFIG_STAGING_BOARD) += board/ -obj-$(CONFIG_USB_WPAN_HCD) += ozwpan/ obj-$(CONFIG_WIMAX_GDM72XX) += gdm72xx/ obj-$(CONFIG_LTE_GDM724X) += gdm724x/ obj-$(CONFIG_FIREWIRE_SERIAL) += fwserial/ diff --git a/drivers/staging/ozwpan/Kconfig b/drivers/staging/ozwpan/Kconfig deleted file mode 100644 index 7904caec546a..000000000000 --- a/drivers/staging/ozwpan/Kconfig +++ /dev/null @@ -1,9 +0,0 @@ -config USB_WPAN_HCD - tristate "USB over WiFi Host Controller" - depends on USB && NET - help - A driver for USB Host Controllers that are compatible with - Ozmo Devices USB over WiFi technology. - - To compile this driver a module, choose M here: the module - will be called "ozwpan". diff --git a/drivers/staging/ozwpan/Makefile b/drivers/staging/ozwpan/Makefile deleted file mode 100644 index 29529c1a8e3c..000000000000 --- a/drivers/staging/ozwpan/Makefile +++ /dev/null @@ -1,16 +0,0 @@ -# ----------------------------------------------------------------------------- -# Copyright (c) 2011 Ozmo Inc -# Released under the GNU General Public License Version 2 (GPLv2). -# ----------------------------------------------------------------------------- - -obj-$(CONFIG_USB_WPAN_HCD) += ozwpan.o -ozwpan-y := \ - ozmain.o \ - ozpd.o \ - ozusbsvc.o \ - ozusbsvc1.o \ - ozhcd.o \ - ozeltbuf.o \ - ozproto.o \ - ozcdev.o \ - ozurbparanoia.o diff --git a/drivers/staging/ozwpan/README b/drivers/staging/ozwpan/README deleted file mode 100644 index 7c055ec99544..000000000000 --- a/drivers/staging/ozwpan/README +++ /dev/null @@ -1,25 +0,0 @@ -OZWPAN USB Host Controller Driver ---------------------------------- -This driver is a USB HCD driver that does not have an associated a physical -device but instead uses Wi-Fi to communicate with the wireless peripheral. -The USB requests are converted into a layer 2 network protocol and transmitted -on the network using an ethertype (0x892e) regestered to Ozmo Device Inc. -This driver is compatible with existing wireless devices that use Ozmo Devices -technology. - -To operate the driver must be bound to a suitable network interface. This can -be done when the module is loaded (specifying the name of the network interface -as a parameter - e.g. 'insmod ozwpan g_net_dev=go0') or can be bound after -loading using an ioctl call. See the ozappif.h file and the ioctls -OZ_IOCTL_ADD_BINDING and OZ_IOCTL_REMOVE_BINDING. - -The devices connect to the host use Wi-Fi Direct so a network card that supports -Wi-Fi direct is required. A recent version (0.8.x or later) version of the -wpa_supplicant can be used to setup the network interface to create a persistent -autonomous group (for older pre-WFD peripherals) or put in a listen state to -allow group negotiation to occur for more recent devices that support WFD. - -The protocol used over the network does not directly mimic the USB bus -transactions as this would be rather busy and inefficient. Instead the chapter 9 -requests are converted into a request/response pair of messages. (See -ozprotocol.h for data structures used in the protocol). diff --git a/drivers/staging/ozwpan/TODO b/drivers/staging/ozwpan/TODO deleted file mode 100644 index f32c1c0bc875..000000000000 --- a/drivers/staging/ozwpan/TODO +++ /dev/null @@ -1,14 +0,0 @@ -TODO: - - Convert event tracing code to in-kernel tracing infrastructure - - Check for remaining ioctl & check if that can be converted into - sysfs entries - - Convert debug prints to appropriate dev_debug or something better - - Modify Kconfig to add CONFIG option for enabling/disabling event - tracing. - - check USB HCD implementation is complete and correct. - - code review by USB developer community. - - testing with as many devices as possible. - -Please send any patches for this driver to -Shigekatsu Tateno <shigekatsu.tateno@atmel.com> -and Greg Kroah-Hartman <gregkh@linuxfoundation.org>. diff --git a/drivers/staging/ozwpan/ozappif.h b/drivers/staging/ozwpan/ozappif.h deleted file mode 100644 index ea1b271fdcda..000000000000 --- a/drivers/staging/ozwpan/ozappif.h +++ /dev/null @@ -1,36 +0,0 @@ -/* ----------------------------------------------------------------------------- - * Copyright (c) 2011 Ozmo Inc - * Released under the GNU General Public License Version 2 (GPLv2). - * ----------------------------------------------------------------------------- - */ -#ifndef _OZAPPIF_H -#define _OZAPPIF_H - -#define OZ_IOCTL_MAGIC 0xf4 - -struct oz_mac_addr { - __u8 a[6]; -}; - -#define OZ_MAX_PDS 8 - -struct oz_pd_list { - __u32 count; - struct oz_mac_addr addr[OZ_MAX_PDS]; -}; - -#define OZ_MAX_BINDING_LEN 32 - -struct oz_binding_info { - char name[OZ_MAX_BINDING_LEN]; -}; - -#define OZ_IOCTL_GET_PD_LIST _IOR(OZ_IOCTL_MAGIC, 0, struct oz_pd_list) -#define OZ_IOCTL_SET_ACTIVE_PD _IOW(OZ_IOCTL_MAGIC, 1, struct oz_mac_addr) -#define OZ_IOCTL_GET_ACTIVE_PD _IOR(OZ_IOCTL_MAGIC, 2, struct oz_mac_addr) -#define OZ_IOCTL_ADD_BINDING _IOW(OZ_IOCTL_MAGIC, 3, struct oz_binding_info) -#define OZ_IOCTL_REMOVE_BINDING _IOW(OZ_IOCTL_MAGIC, 4, struct oz_binding_info) -#define OZ_IOCTL_MAX 5 - - -#endif /* _OZAPPIF_H */ diff --git a/drivers/staging/ozwpan/ozcdev.c b/drivers/staging/ozwpan/ozcdev.c deleted file mode 100644 index da0e1fd50f26..000000000000 --- a/drivers/staging/ozwpan/ozcdev.c +++ /dev/null @@ -1,554 +0,0 @@ -/* ----------------------------------------------------------------------------- - * Copyright (c) 2011 Ozmo Inc - * Released under the GNU General Public License Version 2 (GPLv2). - * ----------------------------------------------------------------------------- - */ -#include <linux/module.h> -#include <linux/fs.h> -#include <linux/cdev.h> -#include <linux/uaccess.h> -#include <linux/netdevice.h> -#include <linux/etherdevice.h> -#include <linux/poll.h> -#include <linux/sched.h> -#include "ozdbg.h" -#include "ozprotocol.h" -#include "ozappif.h" -#include "ozeltbuf.h" -#include "ozpd.h" -#include "ozproto.h" -#include "ozcdev.h" - -#define OZ_RD_BUF_SZ 256 -struct oz_cdev { - dev_t devnum; - struct cdev cdev; - wait_queue_head_t rdq; - spinlock_t lock; - u8 active_addr[ETH_ALEN]; - struct oz_pd *active_pd; -}; - -/* Per PD context for the serial service stored in the PD. */ -struct oz_serial_ctx { - atomic_t ref_count; - u8 tx_seq_num; - u8 rx_seq_num; - u8 rd_buf[OZ_RD_BUF_SZ]; - int rd_in; - int rd_out; -}; - -static struct oz_cdev g_cdev; -static struct class *g_oz_class; - -/* - * Context: process and softirq - */ -static struct oz_serial_ctx *oz_cdev_claim_ctx(struct oz_pd *pd) -{ - struct oz_serial_ctx *ctx; - - spin_lock_bh(&pd->app_lock[OZ_APPID_SERIAL]); - ctx = (struct oz_serial_ctx *) pd->app_ctx[OZ_APPID_SERIAL]; - if (ctx) - atomic_inc(&ctx->ref_count); - spin_unlock_bh(&pd->app_lock[OZ_APPID_SERIAL]); - return ctx; -} - -/* - * Context: softirq or process - */ -static void oz_cdev_release_ctx(struct oz_serial_ctx *ctx) -{ - if (atomic_dec_and_test(&ctx->ref_count)) { - oz_dbg(ON, "Dealloc serial context\n"); - kfree(ctx); - } -} - -/* - * Context: process - */ -static int oz_cdev_open(struct inode *inode, struct file *filp) -{ - struct oz_cdev *dev = container_of(inode->i_cdev, struct oz_cdev, cdev); - - oz_dbg(ON, "major = %d minor = %d\n", imajor(inode), iminor(inode)); - - filp->private_data = dev; - return 0; -} - -/* - * Context: process - */ -static int oz_cdev_release(struct inode *inode, struct file *filp) -{ - return 0; -} - -/* - * Context: process - */ -static ssize_t oz_cdev_read(struct file *filp, char __user *buf, size_t count, - loff_t *fpos) -{ - int n; - int ix; - - struct oz_pd *pd; - struct oz_serial_ctx *ctx; - - spin_lock_bh(&g_cdev.lock); - pd = g_cdev.active_pd; - if (pd) - oz_pd_get(pd); - spin_unlock_bh(&g_cdev.lock); - if (pd == NULL) - return -1; - ctx = oz_cdev_claim_ctx(pd); - if (ctx == NULL) - goto out2; - n = ctx->rd_in - ctx->rd_out; - if (n < 0) - n += OZ_RD_BUF_SZ; - if (count > n) - count = n; - ix = ctx->rd_out; - n = OZ_RD_BUF_SZ - ix; - if (n > count) - n = count; - if (copy_to_user(buf, &ctx->rd_buf[ix], n)) { - count = 0; - goto out1; - } - ix += n; - if (ix == OZ_RD_BUF_SZ) - ix = 0; - if (n < count) { - if (copy_to_user(&buf[n], ctx->rd_buf, count-n)) { - count = 0; - goto out1; - } - ix = count-n; - } - ctx->rd_out = ix; -out1: - oz_cdev_release_ctx(ctx); -out2: - oz_pd_put(pd); - return count; -} - -/* - * Context: process - */ -static ssize_t oz_cdev_write(struct file *filp, const char __user *buf, - size_t count, loff_t *fpos) -{ - struct oz_pd *pd; - struct oz_elt_buf *eb; - struct oz_elt_info *ei; - struct oz_elt *elt; - struct oz_app_hdr *app_hdr; - struct oz_serial_ctx *ctx; - - if (count > sizeof(ei->data) - sizeof(*elt) - sizeof(*app_hdr)) - return -EINVAL; - - spin_lock_bh(&g_cdev.lock); - pd = g_cdev.active_pd; - if (pd) - oz_pd_get(pd); - spin_unlock_bh(&g_cdev.lock); - if (pd == NULL) - return -ENXIO; - if (!(pd->state & OZ_PD_S_CONNECTED)) - return -EAGAIN; - eb = &pd->elt_buff; - ei = oz_elt_info_alloc(eb); - if (ei == NULL) { - count = 0; - goto out; - } - elt = (struct oz_elt *)ei->data; - app_hdr = (struct oz_app_hdr *)(elt+1); - elt->length = sizeof(struct oz_app_hdr) + count; - elt->type = OZ_ELT_APP_DATA; - ei->app_id = OZ_APPID_SERIAL; - ei->length = elt->length + sizeof(struct oz_elt); - app_hdr->app_id = OZ_APPID_SERIAL; - if (copy_from_user(app_hdr+1, buf, count)) - goto out; - spin_lock_bh(&pd->app_lock[OZ_APPID_USB]); - ctx = (struct oz_serial_ctx *) pd->app_ctx[OZ_APPID_SERIAL]; - if (ctx) { - app_hdr->elt_seq_num = ctx->tx_seq_num++; - if (ctx->tx_seq_num == 0) - ctx->tx_seq_num = 1; - spin_lock(&eb->lock); - if (oz_queue_elt_info(eb, 0, 0, ei) == 0) - ei = NULL; - spin_unlock(&eb->lock); - } - spin_unlock_bh(&pd->app_lock[OZ_APPID_USB]); -out: - if (ei) { - count = 0; - spin_lock_bh(&eb->lock); - oz_elt_info_free(eb, ei); - spin_unlock_bh(&eb->lock); - } - oz_pd_put(pd); - return count; -} - -/* - * Context: process - */ -static int oz_set_active_pd(const u8 *addr) -{ - int rc = 0; - struct oz_pd *pd; - struct oz_pd *old_pd; - - pd = oz_pd_find(addr); - if (pd) { - spin_lock_bh(&g_cdev.lock); - ether_addr_copy(g_cdev.active_addr, addr); - old_pd = g_cdev.active_pd; - g_cdev.active_pd = pd; - spin_unlock_bh(&g_cdev.lock); - if (old_pd) - oz_pd_put(old_pd); - } else { - if (is_zero_ether_addr(addr)) { - spin_lock_bh(&g_cdev.lock); - pd = g_cdev.active_pd; - g_cdev.active_pd = NULL; - memset(g_cdev.active_addr, 0, - sizeof(g_cdev.active_addr)); - spin_unlock_bh(&g_cdev.lock); - if (pd) - oz_pd_put(pd); - } else { - rc = -1; - } - } - return rc; -} - -/* - * Context: process - */ -static long oz_cdev_ioctl(struct file *filp, unsigned int cmd, - unsigned long arg) -{ - int rc = 0; - - if (_IOC_TYPE(cmd) != OZ_IOCTL_MAGIC) - return -ENOTTY; - if (_IOC_NR(cmd) > OZ_IOCTL_MAX) - return -ENOTTY; - if (_IOC_DIR(cmd) & _IOC_READ) - rc = !access_ok(VERIFY_WRITE, (void __user *)arg, - _IOC_SIZE(cmd)); - else if (_IOC_DIR(cmd) & _IOC_WRITE) - rc = !access_ok(VERIFY_READ, (void __user *)arg, - _IOC_SIZE(cmd)); - if (rc) - return -EFAULT; - switch (cmd) { - case OZ_IOCTL_GET_PD_LIST: { - struct oz_pd_list list; - - oz_dbg(ON, "OZ_IOCTL_GET_PD_LIST\n"); - memset(&list, 0, sizeof(list)); - list.count = oz_get_pd_list(list.addr, OZ_MAX_PDS); - if (copy_to_user((void __user *)arg, &list, - sizeof(list))) - return -EFAULT; - } - break; - case OZ_IOCTL_SET_ACTIVE_PD: { - u8 addr[ETH_ALEN]; - - oz_dbg(ON, "OZ_IOCTL_SET_ACTIVE_PD\n"); - if (copy_from_user(addr, (void __user *)arg, ETH_ALEN)) - return -EFAULT; - rc = oz_set_active_pd(addr); - } - break; - case OZ_IOCTL_GET_ACTIVE_PD: { - u8 addr[ETH_ALEN]; - - oz_dbg(ON, "OZ_IOCTL_GET_ACTIVE_PD\n"); - spin_lock_bh(&g_cdev.lock); - ether_addr_copy(addr, g_cdev.active_addr); - spin_unlock_bh(&g_cdev.lock); - if (copy_to_user((void __user *)arg, addr, ETH_ALEN)) - return -EFAULT; - } - break; - case OZ_IOCTL_ADD_BINDING: - case OZ_IOCTL_REMOVE_BINDING: { - struct oz_binding_info b; - - if (copy_from_user(&b, (void __user *)arg, - sizeof(struct oz_binding_info))) { - return -EFAULT; - } - /* Make sure name is null terminated. */ - b.name[OZ_MAX_BINDING_LEN-1] = 0; - if (cmd == OZ_IOCTL_ADD_BINDING) - oz_binding_add(b.name); - else - oz_binding_remove(b.name); - } - break; - } - return rc; -} - -/* - * Context: process - */ -static unsigned int oz_cdev_poll(struct file *filp, poll_table *wait) -{ - unsigned int ret = 0; - struct oz_cdev *dev = filp->private_data; - - oz_dbg(ON, "Poll called wait = %p\n", wait); - spin_lock_bh(&dev->lock); - if (dev->active_pd) { - struct oz_serial_ctx *ctx = oz_cdev_claim_ctx(dev->active_pd); - - if (ctx) { - if (ctx->rd_in != ctx->rd_out) - ret |= POLLIN | POLLRDNORM; - oz_cdev_release_ctx(ctx); - } - } - spin_unlock_bh(&dev->lock); - if (wait) - poll_wait(filp, &dev->rdq, wait); - return ret; -} - -/* - */ -static const struct file_operations oz_fops = { - .owner = THIS_MODULE, - .open = oz_cdev_open, - .release = oz_cdev_release, - .read = oz_cdev_read, - .write = oz_cdev_write, - .unlocked_ioctl = oz_cdev_ioctl, - .poll = oz_cdev_poll -}; - -/* - * Context: process - */ -int oz_cdev_register(void) -{ - int err; - struct device *dev; - - memset(&g_cdev, 0, sizeof(g_cdev)); - err = alloc_chrdev_region(&g_cdev.devnum, 0, 1, "ozwpan"); - if (err < 0) - return err; - oz_dbg(ON, "Alloc dev number %d:%d\n", - MAJOR(g_cdev.devnum), MINOR(g_cdev.devnum)); - cdev_init(&g_cdev.cdev, &oz_fops); - g_cdev.cdev.owner = THIS_MODULE; - spin_lock_init(&g_cdev.lock); - init_waitqueue_head(&g_cdev.rdq); - err = cdev_add(&g_cdev.cdev, g_cdev.devnum, 1); - if (err < 0) { - oz_dbg(ON, "Failed to add cdev\n"); - goto unregister; - } - g_oz_class = class_create(THIS_MODULE, "ozmo_wpan"); - if (IS_ERR(g_oz_class)) { - oz_dbg(ON, "Failed to register ozmo_wpan class\n"); - err = PTR_ERR(g_oz_class); - goto delete; - } - dev = device_create(g_oz_class, NULL, g_cdev.devnum, NULL, "ozwpan"); - if (IS_ERR(dev)) { - oz_dbg(ON, "Failed to create sysfs entry for cdev\n"); - err = PTR_ERR(dev); - goto delete; - } - return 0; - -delete: - cdev_del(&g_cdev.cdev); -unregister: - unregister_chrdev_region(g_cdev.devnum, 1); - return err; -} - -/* - * Context: process - */ -int oz_cdev_deregister(void) -{ - cdev_del(&g_cdev.cdev); - unregister_chrdev_region(g_cdev.devnum, 1); - if (g_oz_class) { - device_destroy(g_oz_class, g_cdev.devnum); - class_destroy(g_oz_class); - } - return 0; -} - -/* - * Context: process - */ -int oz_cdev_init(void) -{ - oz_app_enable(OZ_APPID_SERIAL, 1); - return 0; -} - -/* - * Context: process - */ -void oz_cdev_term(void) -{ - oz_app_enable(OZ_APPID_SERIAL, 0); -} - -/* - * Context: softirq-serialized - */ -int oz_cdev_start(struct oz_pd *pd, int resume) -{ - struct oz_serial_ctx *ctx; - struct oz_serial_ctx *old_ctx; - - if (resume) { - oz_dbg(ON, "Serial service resumed\n"); - return 0; - } - ctx = kzalloc(sizeof(struct oz_serial_ctx), GFP_ATOMIC); - if (ctx == NULL) - return -ENOMEM; - atomic_set(&ctx->ref_count, 1); - ctx->tx_seq_num = 1; - spin_lock_bh(&pd->app_lock[OZ_APPID_SERIAL]); - old_ctx = pd->app_ctx[OZ_APPID_SERIAL]; - if (old_ctx) { - spin_unlock_bh(&pd->app_lock[OZ_APPID_SERIAL]); - kfree(ctx); - } else { - pd->app_ctx[OZ_APPID_SERIAL] = ctx; - spin_unlock_bh(&pd->app_lock[OZ_APPID_SERIAL]); - } - spin_lock(&g_cdev.lock); - if ((g_cdev.active_pd == NULL) && - ether_addr_equal(pd->mac_addr, g_cdev.active_addr)) { - oz_pd_get(pd); - g_cdev.active_pd = pd; - oz_dbg(ON, "Active PD arrived\n"); - } - spin_unlock(&g_cdev.lock); - oz_dbg(ON, "Serial service started\n"); - return 0; -} - -/* - * Context: softirq or process - */ -void oz_cdev_stop(struct oz_pd *pd, int pause) -{ - struct oz_serial_ctx *ctx; - - if (pause) { - oz_dbg(ON, "Serial service paused\n"); - return; - } - spin_lock_bh(&pd->app_lock[OZ_APPID_SERIAL]); - ctx = (struct oz_serial_ctx *) pd->app_ctx[OZ_APPID_SERIAL]; - pd->app_ctx[OZ_APPID_SERIAL] = NULL; - spin_unlock_bh(&pd->app_lock[OZ_APPID_SERIAL]); - if (ctx) - oz_cdev_release_ctx(ctx); - spin_lock(&g_cdev.lock); - if (pd == g_cdev.active_pd) - g_cdev.active_pd = NULL; - else - pd = NULL; - spin_unlock(&g_cdev.lock); - if (pd) { - oz_pd_put(pd); - oz_dbg(ON, "Active PD departed\n"); - } - oz_dbg(ON, "Serial service stopped\n"); -} - -/* - * Context: softirq-serialized - */ -void oz_cdev_rx(struct oz_pd *pd, struct oz_elt *elt) -{ - struct oz_serial_ctx *ctx; - struct oz_app_hdr *app_hdr; - u8 *data; - int len; - int space; - int copy_sz; - int ix; - - ctx = oz_cdev_claim_ctx(pd); - if (ctx == NULL) { - oz_dbg(ON, "Cannot claim serial context\n"); - return; - } - - app_hdr = (struct oz_app_hdr *)(elt+1); - /* If sequence number is non-zero then check it is not a duplicate. - */ - if (app_hdr->elt_seq_num != 0) { - if (((ctx->rx_seq_num - app_hdr->elt_seq_num) & 0x80) == 0) { - /* Reject duplicate element. */ - oz_dbg(ON, "Duplicate element:%02x %02x\n", - app_hdr->elt_seq_num, ctx->rx_seq_num); - goto out; - } - } - ctx->rx_seq_num = app_hdr->elt_seq_num; - len = elt->length - sizeof(struct oz_app_hdr); - data = ((u8 *)(elt+1)) + sizeof(struct oz_app_hdr); - if (len <= 0) - goto out; - space = ctx->rd_out - ctx->rd_in - 1; - if (space < 0) - space += OZ_RD_BUF_SZ; - if (len > space) { - oz_dbg(ON, "Not enough space:%d %d\n", len, space); - len = space; - } - ix = ctx->rd_in; - copy_sz = OZ_RD_BUF_SZ - ix; - if (copy_sz > len) - copy_sz = len; - memcpy(&ctx->rd_buf[ix], data, copy_sz); - len -= copy_sz; - ix += copy_sz; - if (ix == OZ_RD_BUF_SZ) - ix = 0; - if (len) { - memcpy(ctx->rd_buf, data+copy_sz, len); - ix = len; - } - ctx->rd_in = ix; - wake_up(&g_cdev.rdq); -out: - oz_cdev_release_ctx(ctx); -} diff --git a/drivers/staging/ozwpan/ozcdev.h b/drivers/staging/ozwpan/ozcdev.h deleted file mode 100644 index dd11935a093f..000000000000 --- a/drivers/staging/ozwpan/ozcdev.h +++ /dev/null @@ -1,17 +0,0 @@ -/* ----------------------------------------------------------------------------- - * Copyright (c) 2011 Ozmo Inc - * Released under the GNU General Public License Version 2 (GPLv2). - * ----------------------------------------------------------------------------- - */ -#ifndef _OZCDEV_H -#define _OZCDEV_H - -int oz_cdev_register(void); -int oz_cdev_deregister(void); -int oz_cdev_init(void); -void oz_cdev_term(void); -int oz_cdev_start(struct oz_pd *pd, int resume); -void oz_cdev_stop(struct oz_pd *pd, int pause); -void oz_cdev_rx(struct oz_pd *pd, struct oz_elt *elt); - -#endif /* _OZCDEV_H */ diff --git a/drivers/staging/ozwpan/ozdbg.h b/drivers/staging/ozwpan/ozdbg.h deleted file mode 100644 index b86a2b7e0178..000000000000 --- a/drivers/staging/ozwpan/ozdbg.h +++ /dev/null @@ -1,54 +0,0 @@ -/* ----------------------------------------------------------------------------- - * Copyright (c) 2011 Ozmo Inc - * Released under the GNU General Public License Version 2 (GPLv2). - * ---------------------------------------------------------------------------*/ - -#ifndef _OZDBG_H -#define _OZDBG_H - -#define OZ_WANT_DBG 0 -#define OZ_WANT_VERBOSE_DBG 1 - -#define OZ_DBG_ON 0x0 -#define OZ_DBG_STREAM 0x1 -#define OZ_DBG_URB 0x2 -#define OZ_DBG_CTRL_DETAIL 0x4 -#define OZ_DBG_HUB 0x8 -#define OZ_DBG_RX_FRAMES 0x10 -#define OZ_DBG_TX_FRAMES 0x20 - -#define OZ_DEFAULT_DBG_MASK \ - ( \ - /* OZ_DBG_STREAM | */ \ - /* OZ_DBG_URB | */ \ - /* OZ_DBG_CTRL_DETAIL | */ \ - OZ_DBG_HUB | \ - /* OZ_DBG_RX_FRAMES | */ \ - /* OZ_DBG_TX_FRAMES | */ \ - 0) - -extern unsigned int oz_dbg_mask; - -#define oz_want_dbg(mask) \ - ((OZ_WANT_DBG && (OZ_DBG_##mask == OZ_DBG_ON)) || \ - (OZ_WANT_VERBOSE_DBG && (OZ_DBG_##mask & oz_dbg_mask))) - -#define oz_dbg(mask, fmt, ...) \ -do { \ - if (oz_want_dbg(mask)) \ - pr_debug(fmt, ##__VA_ARGS__); \ -} while (0) - -#define oz_cdev_dbg(cdev, mask, fmt, ...) \ -do { \ - if (oz_want_dbg(mask)) \ - netdev_dbg((cdev)->dev, fmt, ##__VA_ARGS__); \ -} while (0) - -#define oz_pd_dbg(pd, mask, fmt, ...) \ -do { \ - if (oz_want_dbg(mask)) \ - pr_debug(fmt, ##__VA_ARGS__); \ -} while (0) - -#endif /* _OZDBG_H */ diff --git a/drivers/staging/ozwpan/ozeltbuf.c b/drivers/staging/ozwpan/ozeltbuf.c deleted file mode 100644 index 01b25da44241..000000000000 --- a/drivers/staging/ozwpan/ozeltbuf.c +++ /dev/null @@ -1,252 +0,0 @@ -/* ----------------------------------------------------------------------------- - * Copyright (c) 2011 Ozmo Inc - * Released under the GNU General Public License Version 2 (GPLv2). - * ----------------------------------------------------------------------------- - */ -#include <linux/module.h> -#include <linux/netdevice.h> -#include "ozdbg.h" -#include "ozprotocol.h" -#include "ozeltbuf.h" -#include "ozpd.h" - -/* - * Context: softirq-serialized - */ -void oz_elt_buf_init(struct oz_elt_buf *buf) -{ - memset(buf, 0, sizeof(struct oz_elt_buf)); - INIT_LIST_HEAD(&buf->stream_list); - INIT_LIST_HEAD(&buf->order_list); - INIT_LIST_HEAD(&buf->isoc_list); - spin_lock_init(&buf->lock); -} - -/* - * Context: softirq or process - */ -void oz_elt_buf_term(struct oz_elt_buf *buf) -{ - struct oz_elt_info *ei, *n; - - list_for_each_entry_safe(ei, n, &buf->isoc_list, link_order) - kfree(ei); - list_for_each_entry_safe(ei, n, &buf->order_list, link_order) - kfree(ei); -} - -/* - * Context: softirq or process - */ -struct oz_elt_info *oz_elt_info_alloc(struct oz_elt_buf *buf) -{ - struct oz_elt_info *ei; - - ei = kmem_cache_zalloc(oz_elt_info_cache, GFP_ATOMIC); - if (ei) { - INIT_LIST_HEAD(&ei->link); - INIT_LIST_HEAD(&ei->link_order); - } - return ei; -} - -/* - * Precondition: oz_elt_buf.lock must be held. - * Context: softirq or process - */ -void oz_elt_info_free(struct oz_elt_buf *buf, struct oz_elt_info *ei) -{ - if (ei) - kmem_cache_free(oz_elt_info_cache, ei); -} - -/*------------------------------------------------------------------------------ - * Context: softirq - */ -void oz_elt_info_free_chain(struct oz_elt_buf *buf, struct list_head *list) -{ - struct oz_elt_info *ei, *n; - - spin_lock_bh(&buf->lock); - list_for_each_entry_safe(ei, n, list->next, link) - oz_elt_info_free(buf, ei); - spin_unlock_bh(&buf->lock); -} - -int oz_elt_stream_create(struct oz_elt_buf *buf, u8 id, int max_buf_count) -{ - struct oz_elt_stream *st; - - oz_dbg(ON, "%s: (0x%x)\n", __func__, id); - - st = kzalloc(sizeof(struct oz_elt_stream), GFP_ATOMIC); - if (st == NULL) - return -ENOMEM; - atomic_set(&st->ref_count, 1); - st->id = id; - st->max_buf_count = max_buf_count; - INIT_LIST_HEAD(&st->elt_list); - spin_lock_bh(&buf->lock); - list_add_tail(&st->link, &buf->stream_list); - spin_unlock_bh(&buf->lock); - return 0; -} - -int oz_elt_stream_delete(struct oz_elt_buf *buf, u8 id) -{ - struct list_head *e, *n; - struct oz_elt_stream *st = NULL; - - oz_dbg(ON, "%s: (0x%x)\n", __func__, id); - spin_lock_bh(&buf->lock); - list_for_each(e, &buf->stream_list) { - st = list_entry(e, struct oz_elt_stream, link); - if (st->id == id) { - list_del(e); - break; - } - st = NULL; - } - if (!st) { - spin_unlock_bh(&buf->lock); - return -1; - } - list_for_each_safe(e, n, &st->elt_list) { - struct oz_elt_info *ei = - list_entry(e, struct oz_elt_info, link); - list_del_init(&ei->link); - list_del_init(&ei->link_order); - st->buf_count -= ei->length; - oz_dbg(STREAM, "Stream down: %d %d %d\n", - st->buf_count, ei->length, atomic_read(&st->ref_count)); - oz_elt_stream_put(st); - oz_elt_info_free(buf, ei); - } - spin_unlock_bh(&buf->lock); - oz_elt_stream_put(st); - return 0; -} - -void oz_elt_stream_get(struct oz_elt_stream *st) -{ - atomic_inc(&st->ref_count); -} - -void oz_elt_stream_put(struct oz_elt_stream *st) -{ - if (atomic_dec_and_test(&st->ref_count)) { - oz_dbg(ON, "Stream destroyed\n"); - kfree(st); - } -} - -/* - * Precondition: Element buffer lock must be held. - * If this function fails the caller is responsible for deallocating the elt - * info structure. - */ -int oz_queue_elt_info(struct oz_elt_buf *buf, u8 isoc, u8 id, - struct oz_elt_info *ei) -{ - struct oz_elt_stream *st = NULL; - struct list_head *e; - - if (id) { - list_for_each(e, &buf->stream_list) { - st = list_entry(e, struct oz_elt_stream, link); - if (st->id == id) - break; - } - if (e == &buf->stream_list) { - /* Stream specified but stream not known so fail. - * Caller deallocates element info. */ - return -1; - } - } - if (st) { - /* If this is an ISOC fixed element that needs a frame number - * then insert that now. Earlier we stored the unit count in - * this field. - */ - struct oz_isoc_fixed *body = (struct oz_i |