irda: move net/irda/ to drivers/staging/irda/net/

It's time to get rid of IRDA.  It's long been broken, and no one seems
to use it anymore.  So move it to staging and after a while, we can
delete it from there.

To start, move the network irda core from net/irda to
drivers/staging/irda/net/

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 0 insertions, 584 deletions

diff --git a/net/irda/parameters.c b/net/irda/parameters.c
deleted file mode 100644
index 16ce32ffe004..000000000000
--- a/net/irda/parameters.c
+++ /dev/null
@@ -1,584 +0,0 @@
-/*********************************************************************
- *
- * Filename:      parameters.c
- * Version:       1.0
- * Description:   A more general way to handle (pi,pl,pv) parameters
- * Status:        Experimental.
- * Author:        Dag Brattli <dagb@cs.uit.no>
- * Created at:    Mon Jun  7 10:25:11 1999
- * Modified at:   Sun Jan 30 14:08:39 2000
- * Modified by:   Dag Brattli <dagb@cs.uit.no>
- *
- *     Copyright (c) 1999-2000 Dag Brattli, All Rights Reserved.
- *
- *     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 the Free Software Foundation; either version 2 of
- *     the License, or (at your option) any later version.
- *
- *     This program is distributed in the hope that it will be useful,
- *     but WITHOUT ANY WARRANTY; without even the implied warranty of
- *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- *     GNU General Public License for more details.
- *
- *     You should have received a copy of the GNU General Public License
- *     along with this program; if not, see <http://www.gnu.org/licenses/>.
- *
- ********************************************************************/
-
-#include <linux/types.h>
-#include <linux/module.h>
-
-#include <asm/unaligned.h>
-#include <asm/byteorder.h>
-
-#include <net/irda/irda.h>
-#include <net/irda/parameters.h>
-
-static int irda_extract_integer(void *self, __u8 *buf, int len, __u8 pi,
-				PV_TYPE type, PI_HANDLER func);
-static int irda_extract_string(void *self, __u8 *buf, int len, __u8 pi,
-			       PV_TYPE type, PI_HANDLER func);
-static int irda_extract_octseq(void *self, __u8 *buf, int len, __u8 pi,
-			       PV_TYPE type, PI_HANDLER func);
-static int irda_extract_no_value(void *self, __u8 *buf, int len, __u8 pi,
-				 PV_TYPE type, PI_HANDLER func);
-
-static int irda_insert_integer(void *self, __u8 *buf, int len, __u8 pi,
-			       PV_TYPE type, PI_HANDLER func);
-static int irda_insert_no_value(void *self, __u8 *buf, int len, __u8 pi,
-				PV_TYPE type, PI_HANDLER func);
-
-static int irda_param_unpack(__u8 *buf, char *fmt, ...);
-
-/* Parameter value call table. Must match PV_TYPE */
-static const PV_HANDLER pv_extract_table[] = {
-	irda_extract_integer, /* Handler for any length integers */
-	irda_extract_integer, /* Handler for 8  bits integers */
-	irda_extract_integer, /* Handler for 16 bits integers */
-	irda_extract_string,  /* Handler for strings */
-	irda_extract_integer, /* Handler for 32 bits integers */
-	irda_extract_octseq,  /* Handler for octet sequences */
-	irda_extract_no_value /* Handler for no value parameters */
-};
-
-static const PV_HANDLER pv_insert_table[] = {
-	irda_insert_integer, /* Handler for any length integers */
-	irda_insert_integer, /* Handler for 8  bits integers */
-	irda_insert_integer, /* Handler for 16 bits integers */
-	NULL,                /* Handler for strings */
-	irda_insert_integer, /* Handler for 32 bits integers */
-	NULL,                /* Handler for octet sequences */
-	irda_insert_no_value /* Handler for no value parameters */
-};
-
-/*
- * Function irda_insert_no_value (self, buf, len, pi, type, func)
- */
-static int irda_insert_no_value(void *self, __u8 *buf, int len, __u8 pi,
-				PV_TYPE type, PI_HANDLER func)
-{
-	irda_param_t p;
-	int ret;
-
-	p.pi = pi;
-	p.pl = 0;
-
-	/* Call handler for this parameter */
-	ret = (*func)(self, &p, PV_GET);
-
-	/* Extract values anyway, since handler may need them */
-	irda_param_pack(buf, "bb", p.pi, p.pl);
-
-	if (ret < 0)
-		return ret;
-
-	return 2; /* Inserted pl+2 bytes */
-}
-
-/*
- * Function irda_extract_no_value (self, buf, len, type, func)
- *
- *    Extracts a parameter without a pv field (pl=0)
- *
- */
-static int irda_extract_no_value(void *self, __u8 *buf, int len, __u8 pi,
-				 PV_TYPE type, PI_HANDLER func)
-{
-	irda_param_t p;
-	int ret;
-
-	/* Extract values anyway, since handler may need them */
-	irda_param_unpack(buf, "bb", &p.pi, &p.pl);
-
-	/* Call handler for this parameter */
-	ret = (*func)(self, &p, PV_PUT);
-
-	if (ret < 0)
-		return ret;
-
-	return 2; /* Extracted pl+2 bytes */
-}
-
-/*
- * Function irda_insert_integer (self, buf, len, pi, type, func)
- */
-static int irda_insert_integer(void *self, __u8 *buf, int len, __u8 pi,
-			       PV_TYPE type, PI_HANDLER func)
-{
-	irda_param_t p;
-	int n = 0;
-	int err;
-
-	p.pi = pi;             /* In case handler needs to know */
-	p.pl = type & PV_MASK; /* The integer type codes the length as well */
-	p.pv.i = 0;            /* Clear value */
-
-	/* Call handler for this parameter */
-	err = (*func)(self, &p, PV_GET);
-	if (err < 0)
-		return err;
-
-	/*
-	 * If parameter length is still 0, then (1) this is an any length
-	 * integer, and (2) the handler function does not care which length
-	 * we choose to use, so we pick the one the gives the fewest bytes.
-	 */
-	if (p.pl == 0) {
-		if (p.pv.i < 0xff) {
-			pr_debug("%s(), using 1 byte\n", __func__);
-			p.pl = 1;
-		} else if (p.pv.i < 0xffff) {
-			pr_debug("%s(), using 2 bytes\n", __func__);
-			p.pl = 2;
-		} else {
-			pr_debug("%s(), using 4 bytes\n", __func__);
-			p.pl = 4; /* Default length */
-		}
-	}
-	/* Check if buffer is long enough for insertion */
-	if (len < (2+p.pl)) {
-		net_warn_ratelimited("%s: buffer too short for insertion!\n",
-				     __func__);
-		return -1;
-	}
-	pr_debug("%s(), pi=%#x, pl=%d, pi=%d\n", __func__,
-		 p.pi, p.pl, p.pv.i);
-	switch (p.pl) {
-	case 1:
-		n += irda_param_pack(buf, "bbb", p.pi, p.pl, (__u8) p.pv.i);
-		break;
-	case 2:
-		if (type & PV_BIG_ENDIAN)
-			p.pv.i = cpu_to_be16((__u16) p.pv.i);
-		else
-			p.pv.i = cpu_to_le16((__u16) p.pv.i);
-		n += irda_param_pack(buf, "bbs", p.pi, p.pl, (__u16) p.pv.i);
-		break;
-	case 4:
-		if (type & PV_BIG_ENDIAN)
-			cpu_to_be32s(&p.pv.i);
-		else
-			cpu_to_le32s(&p.pv.i);
-		n += irda_param_pack(buf, "bbi", p.pi, p.pl, p.pv.i);
-
-		break;
-	default:
-		net_warn_ratelimited("%s: length %d not supported\n",
-				     __func__, p.pl);
-		/* Skip parameter */
-		return -1;
-	}
-
-	return p.pl+2; /* Inserted pl+2 bytes */
-}
-
-/*
- * Function irda_extract integer (self, buf, len, pi, type, func)
- *
- *    Extract a possibly variable length integer from buffer, and call
- *    handler for processing of the parameter
- */
-static int irda_extract_integer(void *self, __u8 *buf, int len, __u8 pi,
-				PV_TYPE type, PI_HANDLER func)
-{
-	irda_param_t p;
-	int n = 0;
-	int extract_len;	/* Real length we extract */
-	int err;
-
-	p.pi = pi;     /* In case handler needs to know */
-	p.pl = buf[1]; /* Extract length of value */
-	p.pv.i = 0;    /* Clear value */
-	extract_len = p.pl;	/* Default : extract all */
-
-	/* Check if buffer is long enough for parsing */
-	if (len < (2+p.pl)) {
-		net_warn_ratelimited("%s: buffer too short for parsing! Need %d bytes, but len is only %d\n",
-				     __func__, p.pl, len);
-		return -1;
-	}
-
-	/*
-	 * Check that the integer length is what we expect it to be. If the
-	 * handler want a 16 bits integer then a 32 bits is not good enough
-	 * PV_INTEGER means that the handler is flexible.
-	 */
-	if (((type & PV_MASK) != PV_INTEGER) && ((type & PV_MASK) != p.pl)) {
-		net_err_ratelimited("%s: invalid parameter length! Expected %d bytes, but value had %d bytes!\n",
-				    __func__, type & PV_MASK, p.pl);
-
-		/* Most parameters are bit/byte fields or little endian,
-		 * so it's ok to only extract a subset of it (the subset
-		 * that the handler expect). This is necessary, as some
-		 * broken implementations seems to add extra undefined bits.
-		 * If the parameter is shorter than we expect or is big
-		 * endian, we can't play those tricks. Jean II */
-		if((p.pl < (type & PV_MASK)) || (type & PV_BIG_ENDIAN)) {
-			/* Skip parameter */
-			return p.pl+2;
-		} else {
-			/* Extract subset of it, fallthrough */
-			extract_len = type & PV_MASK;
-		}
-	}
-
-
-	switch (extract_len) {
-	case 1:
-		n += irda_param_unpack(buf+2, "b", &p.pv.i);
-		break;
-	case 2:
-		n += irda_param_unpack(buf+2, "s", &p.pv.i);
-		if (type & PV_BIG_ENDIAN)
-			p.pv.i = be16_to_cpu((__u16) p.pv.i);
-		else
-			p.pv.i = le16_to_cpu((__u16) p.pv.i);
-		break;
-	case 4:
-		n += irda_param_unpack(buf+2, "i", &p.pv.i);
-		if (type & PV_BIG_ENDIAN)
-			be32_to_cpus(&p.pv.i);
-		else
-			le32_to_cpus(&p.pv.i);
-		break;
-	default:
-		net_warn_ratelimited("%s: length %d not supported\n",
-				     __func__, p.pl);
-
-		/* Skip parameter */
-		return p.pl+2;
-	}
-
-	pr_debug("%s(), pi=%#x, pl=%d, pi=%d\n", __func__,
-		 p.pi, p.pl, p.pv.i);
-	/* Call handler for this parameter */
-	err = (*func)(self, &p, PV_PUT);
-	if (err < 0)
-		return err;
-
-	return p.pl+2; /* Extracted pl+2 bytes */
-}
-
-/*
- * Function irda_extract_string (self, buf, len, type, func)
- */
-static int irda_extract_string(void *self, __u8 *buf, int len, __u8 pi,
-			       PV_TYPE type, PI_HANDLER func)
-{
-	char str[33];
-	irda_param_t p;
-	int err;
-
-	p.pi = pi;     /* In case handler needs to know */
-	p.pl = buf[1]; /* Extract length of value */
-	if (p.pl > 32)
-		p.pl = 32;
-
-	pr_debug("%s(), pi=%#x, pl=%d\n", __func__,
-		 p.pi, p.pl);
-
-	/* Check if buffer is long enough for parsing */
-	if (len < (2+p.pl)) {
-		net_warn_ratelimited("%s: buffer too short for parsing! Need %d bytes, but len is only %d\n",
-				     __func__, p.pl, len);
-		return -1;
-	}
-
-	/* Should be safe to copy string like this since we have already
-	 * checked that the buffer is long enough */
-	strncpy(str, buf+2, p.pl);
-
-	pr_debug("%s(), str=0x%02x 0x%02x\n",
-		 __func__, (__u8)str[0], (__u8)str[1]);
-
-	/* Null terminate string */
-	str[p.pl] = '\0';
-
-	p.pv.c = str; /* Handler will need to take a copy */
-
-	/* Call handler for this parameter */
-	err = (*func)(self, &p, PV_PUT);
-	if (err < 0)
-		return err;
-
-	return p.pl+2; /* Extracted pl+2 bytes */
-}
-
-/*
- * Function irda_extract_octseq (self, buf, len, type, func)
- */
-static int irda_extract_octseq(void *self, __u8 *buf, int len, __u8 pi,
-			       PV_TYPE type, PI_HANDLER func)
-{
-	irda_param_t p;
-
-	p.pi = pi;     /* In case handler needs to know */
-	p.pl = buf[1]; /* Extract length of value */
-
-	/* Check if buffer is long enough for parsing */
-	if (len < (2+p.pl)) {
-		net_warn_ratelimited("%s: buffer too short for parsing! Need %d bytes, but len is only %d\n",
-				     __func__, p.pl, len);
-		return -1;
-	}
-
-	pr_debug("%s(), not impl\n", __func__);
-
-	return p.pl+2; /* Extracted pl+2 bytes */
-}
-
-/*
- * Function irda_param_pack (skb, fmt, ...)
- *
- *    Format:
- *        'i' = 32 bits integer
- *        's' = string
- *
- */
-int irda_param_pack(__u8 *buf, char *fmt, ...)
-{
-	irda_pv_t arg;
-	va_list args;
-	char *p;
-	int n = 0;
-
-	va_start(args, fmt);
-
-	for (p = fmt; *p != '\0'; p++) {
-		switch (*p) {
-		case 'b':  /* 8 bits unsigned byte */
-			buf[n++] = (__u8)va_arg(args, int);
-			break;
-		case 's':  /* 16 bits unsigned short */
-			arg.i = (__u16)va_arg(args, int);
-			put_unaligned((__u16)arg.i, (__u16 *)(buf+n)); n+=2;
-			break;
-		case 'i':  /* 32 bits unsigned integer */
-			arg.i = va_arg(args, __u32);
-			put_unaligned(arg.i, (__u32 *)(buf+n)); n+=4;
-			break;
-#if 0
-		case 'c': /* \0 terminated string */
-			arg.c = va_arg(args, char *);
-			strcpy(buf+n, arg.c);
-			n += strlen(arg.c) + 1;
-			break;
-#endif
-		default:
-			va_end(args);
-			return -1;
-		}
-	}
-	va_end(args);
-
-	return 0;
-}
-EXPORT_SYMBOL(irda_param_pack);
-
-/*
- * Function irda_param_unpack (skb, fmt, ...)
- */
-static int irda_param_unpack(__u8 *buf, char *fmt, ...)
-{
-	irda_pv_t arg;
-	va_list args;
-	char *p;
-	int n = 0;
-
-	va_start(args, fmt);
-
-	for (p = fmt; *p != '\0'; p++) {
-		switch (*p) {
-		case 'b':  /* 8 bits byte */
-			arg.ip = va_arg(args, __u32 *);
-			*arg.ip = buf[n++];
-			break;
-		case 's':  /* 16 bits short */
-			arg.ip = va_arg(args, __u32 *);
-			*arg.ip = get_unaligned((__u16 *)(buf+n)); n+=2;
-			break;
-		case 'i':  /* 32 bits unsigned integer */
-			arg.ip = va_arg(args, __u32 *);
-			*arg.ip = get_unaligned((__u32 *)(buf+n)); n+=4;
-			break;
-#if 0
-		case 'c':   /* \0 terminated string */
-			arg.c = va_arg(args, char *);
-			strcpy(arg.c, buf+n);
-			n += strlen(arg.c) + 1;
-			break;
-#endif
-		default:
-			va_end(args);
-			return -1;
-		}
-
-	}
-	va_end(args);
-
-	return 0;
-}
-
-/*
- * Function irda_param_insert (self, pi, buf, len, info)
- *
- *    Insert the specified parameter (pi) into buffer. Returns number of
- *    bytes inserted
- */
-int irda_param_insert(void *self, __u8 pi, __u8 *buf, int len,
-		      pi_param_info_t *info)
-{
-	const pi_minor_info_t *pi_minor_info;
-	__u8 pi_minor;
-	__u8 pi_major;
-	int type;
-	int ret = -1;
-	int n = 0;
-
-	IRDA_ASSERT(buf != NULL, return ret;);
-	IRDA_ASSERT(info != NULL, return ret;);
-
-	pi_minor = pi & info->pi_mask;
-	pi_major = pi >> info->pi_major_offset;
-
-	/* Check if the identifier value (pi) is valid */
-	if ((pi_major > info->len-1) ||
-	    (pi_minor > info->tables[pi_major].len-1))
-	{
-		pr_debug("%s(), no handler for parameter=0x%02x\n",
-			 __func__, pi);
-
-		/* Skip this parameter */
-		return -1;
-	}
-
-	/* Lookup the info on how to parse this parameter */
-	pi_minor_info = &info->tables[pi_major].pi_minor_call_table[pi_minor];
-
-	/* Find expected data type for this parameter identifier (pi)*/
-	type = pi_minor_info->type;
-
-	/*  Check if handler has been implemented */
-	if (!pi_minor_info->func) {
-		net_info_ratelimited("%s: no handler for pi=%#x\n",
-				     __func__, pi);
-		/* Skip this parameter */
-		return -1;
-	}
-
-	/* Insert parameter value */
-	ret = (*pv_insert_table[type & PV_MASK])(self, buf+n, len, pi, type,
-						 pi_minor_info->func);
-	return ret;
-}
-EXPORT_SYMBOL(irda_param_insert);
-
-/*
- * Function irda_param_extract (self, buf, len, info)
- *
- *    Parse all parameters. If len is correct, then everything should be
- *    safe. Returns the number of bytes that was parsed
- *
- */
-static int irda_param_extract(void *self, __u8 *buf, int len,
-			      pi_param_info_t *info)
-{
-	const pi_minor_info_t *pi_minor_info;
-	__u8 pi_minor;
-	__u8 pi_major;
-	int type;
-	int ret = -1;
-	int n = 0;
-
-	IRDA_ASSERT(buf != NULL, return ret;);
-	IRDA_ASSERT(info != NULL, return ret;);
-
-	pi_minor = buf[n] & info->pi_mask;
-	pi_major = buf[n] >> info->pi_major_offset;
-
-	/* Check if the identifier value (pi) is valid */
-	if ((pi_major > info->len-1) ||
-	    (pi_minor > info->tables[pi_major].len-1))
-	{
-		pr_debug("%s(), no handler for parameter=0x%02x\n",
-			 __func__, buf[0]);
-
-		/* Skip this parameter */
-		return 2 + buf[n + 1];  /* Continue */
-	}
-
-	/* Lookup the info on how to parse this parameter */
-	pi_minor_info = &info->tables[pi_major].pi_minor_call_table[pi_minor];
-
-	/* Find expected data type for this parameter identifier (pi)*/
-	type = pi_minor_info->type;
-
-	pr_debug("%s(), pi=[%d,%d], type=%d\n", __func__,
-		 pi_major, pi_minor, type);
-
-	/*  Check if handler has been implemented */
-	if (!pi_minor_info->func) {
-		net_info_ratelimited("%s: no handler for pi=%#x\n",
-				     __func__, buf[n]);
-		/* Skip this parameter */
-		return 2 + buf[n + 1]; /* Continue */
-	}
-
-	/* Parse parameter value */
-	ret = (*pv_extract_table[type & PV_MASK])(self, buf+n, len, buf[n],
-						  type, pi_minor_info->func);
-	return ret;
-}
-
-/*
- * Function irda_param_extract_all (self, buf, len, info)
- *
- *    Parse all parameters. If len is correct, then everything should be
- *    safe. Returns the number of bytes that was parsed
- *
- */
-int irda_param_extract_all(void *self, __u8 *buf, int len,
-			   pi_param_info_t *info)
-{
-	int ret = -1;
-	int n = 0;
-
-	IRDA_ASSERT(buf != NULL, return ret;);
-	IRDA_ASSERT(info != NULL, return ret;);
-
-	/*
-	 * Parse all parameters. Each parameter must be at least two bytes
-	 * long or else there is no point in trying to parse it
-	 */
-	while (len > 2) {
-		ret = irda_param_extract(self, buf+n, len, info);
-		if (ret < 0)
-			return ret;
-
-		n += ret;
-		len -= ret;
-	}
-	return n;
-}
-EXPORT_SYMBOL(irda_param_extract_all);