mISDN: Added an ioctl to change the device name
To get persistent device names with hotplug we need to rename devices sometime. Signed-off-by: Matthias Urlichs <matthias@urlichs.de> Signed-off-by: Karsten Keil <kkeil@suse.de>
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@ -645,6 +645,21 @@ base_sock_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
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} else
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err = -ENODEV;
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break;
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case IMSETDEVNAME:
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{
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struct mISDN_devrename dn;
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if (copy_from_user(&dn, (void __user *)arg,
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sizeof(dn))) {
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err = -EFAULT;
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break;
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}
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dev = get_mdevice(dn.id);
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if (dev)
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strlcpy(dev->name, dn.name, MISDN_MAX_IDLEN);
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else
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err = -ENODEV;
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}
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break;
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default:
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err = -EINVAL;
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}
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@ -36,8 +36,8 @@
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* - should be incremented on every checkin
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*/
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#define MISDN_MAJOR_VERSION 1
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#define MISDN_MINOR_VERSION 0
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#define MISDN_RELEASE 19
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#define MISDN_MINOR_VERSION 1
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#define MISDN_RELEASE 20
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/* primitives for information exchange
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* generell format
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@ -255,16 +255,6 @@ struct sockaddr_mISDN {
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unsigned char tei;
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};
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/* timer device ioctl */
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#define IMADDTIMER _IOR('I', 64, int)
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#define IMDELTIMER _IOR('I', 65, int)
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/* socket ioctls */
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#define IMGETVERSION _IOR('I', 66, int)
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#define IMGETCOUNT _IOR('I', 67, int)
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#define IMGETDEVINFO _IOR('I', 68, int)
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#define IMCTRLREQ _IOR('I', 69, int)
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#define IMCLEAR_L2 _IOR('I', 70, int)
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struct mISDNversion {
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unsigned char major;
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unsigned char minor;
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@ -281,6 +271,23 @@ struct mISDN_devinfo {
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char name[MISDN_MAX_IDLEN];
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};
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struct mISDN_devrename {
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u_int id;
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char name[MISDN_MAX_IDLEN]; /* new name */
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};
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/* timer device ioctl */
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#define IMADDTIMER _IOR('I', 64, int)
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#define IMDELTIMER _IOR('I', 65, int)
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/* socket ioctls */
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#define IMGETVERSION _IOR('I', 66, int)
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#define IMGETCOUNT _IOR('I', 67, int)
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#define IMGETDEVINFO _IOR('I', 68, int)
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#define IMCTRLREQ _IOR('I', 69, int)
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#define IMCLEAR_L2 _IOR('I', 70, int)
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#define IMSETDEVNAME _IOR('I', 71, struct mISDN_devrename)
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static inline int
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test_channelmap(u_int nr, u_char *map)
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{
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