1 files changed, 1838 insertions, 0 deletions

diff --git a/drivers/net/wireless/bcm4329/bcmutils.c b/drivers/net/wireless/bcm4329/bcmutils.c
new file mode 100644
index 00000000000..43c04ee92f3
--- /dev/null
+++ b/drivers/net/wireless/bcm4329/bcmutils.c
@@ -0,0 +1,1838 @@
+/*
+ * Driver O/S-independent utility routines
+ *
+ * Copyright (C) 1999-2010, Broadcom Corporation
+ * 
+ *      Unless you and Broadcom execute a separate written software license
+ * agreement governing use of this software, this software is licensed to you
+ * under the terms of the GNU General Public License version 2 (the "GPL"),
+ * available at http://www.broadcom.com/licenses/GPLv2.php, with the
+ * following added to such license:
+ * 
+ *      As a special exception, the copyright holders of this software give you
+ * permission to link this software with independent modules, and to copy and
+ * distribute the resulting executable under terms of your choice, provided that
+ * you also meet, for each linked independent module, the terms and conditions of
+ * the license of that module.  An independent module is a module which is not
+ * derived from this software.  The special exception does not apply to any
+ * modifications of the software.
+ * 
+ *      Notwithstanding the above, under no circumstances may you combine this
+ * software in any way with any other Broadcom software provided under a license
+ * other than the GPL, without Broadcom's express prior written consent.
+ * $Id: bcmutils.c,v 1.210.4.5.2.4.6.19 2010/04/26 06:05:25 Exp $
+ */
+
+#include <typedefs.h>
+#include <bcmdefs.h>
+#include <stdarg.h>
+#include <bcmutils.h>
+#ifdef BCMDRIVER
+#include <osl.h>
+#include <siutils.h>
+#else
+#include <stdio.h>
+#include <string.h>
+/* This case for external supplicant use */
+#if defined(BCMEXTSUP)
+#include <bcm_osl.h>
+#endif
+
+#endif /* BCMDRIVER */
+#include <bcmendian.h>
+#include <bcmdevs.h>
+#include <proto/ethernet.h>
+#include <proto/vlan.h>
+#include <proto/bcmip.h>
+#include <proto/802.1d.h>
+#include <proto/802.11.h>
+
+
+#ifdef BCMDRIVER
+
+
+/* copy a pkt buffer chain into a buffer */
+uint
+pktcopy(osl_t *osh, void *p, uint offset, int len, uchar *buf)
+{
+        uint n, ret = 0;
+
+        if (len < 0)
+                len = 4096;     /* "infinite" */
+
+        /* skip 'offset' bytes */
+        for (; p && offset; p = PKTNEXT(osh, p)) {
+                if (offset < (uint)PKTLEN(osh, p))
+                        break;
+                offset -= PKTLEN(osh, p);
+        }
+
+        if (!p)
+                return 0;
+
+        /* copy the data */
+        for (; p && len; p = PKTNEXT(osh, p)) {
+                n = MIN((uint)PKTLEN(osh, p) - offset, (uint)len);
+                bcopy(PKTDATA(osh, p) + offset, buf, n);
+                buf += n;
+                len -= n;
+                ret += n;
+                offset = 0;
+        }
+
+        return ret;
+}
+
+/* copy a buffer into a pkt buffer chain */
+uint
+pktfrombuf(osl_t *osh, void *p, uint offset, int len, uchar *buf)
+{
+        uint n, ret = 0;
+
+        /* skip 'offset' bytes */
+        for (; p && offset; p = PKTNEXT(osh, p)) {
+                if (offset < (uint)PKTLEN(osh, p))
+                        break;
+                offset -= PKTLEN(osh, p);
+        }
+
+        if (!p)
+                return 0;
+
+        /* copy the data */
+        for (; p && len; p = PKTNEXT(osh, p)) {
+                n = MIN((uint)PKTLEN(osh, p) - offset, (uint)len);
+                bcopy(buf, PKTDATA(osh, p) + offset, n);
+                buf += n;
+                len -= n;
+                ret += n;
+                offset = 0;
+        }
+
+        return ret;
+}
+
+
+
+/* return total length of buffer chain */
+uint
+pkttotlen(osl_t *osh, void *p)
+{
+        uint total;
+
+        total = 0;
+        for (; p; p = PKTNEXT(osh, p))
+                total += PKTLEN(osh, p);
+        return (total);
+}
+
+/* return the last buffer of chained pkt */
+void *
+pktlast(osl_t *osh, void *p)
+{
+        for (; PKTNEXT(osh, p); p = PKTNEXT(osh, p))
+                ;
+
+        return (p);
+}
+
+/* count segments of a chained packet */
+uint
+pktsegcnt(osl_t *osh, void *p)
+{
+        uint cnt;
+
+        for (cnt = 0; p; p = PKTNEXT(osh, p))
+                cnt++;
+
+        return cnt;
+}
+
+
+/*
+ * osl multiple-precedence packet queue
+ * hi_prec is always >= the number of the highest non-empty precedence
+ */
+void *
+pktq_penq(struct pktq *pq, int prec, void *p)
+{
+        struct pktq_prec *q;
+
+        ASSERT(prec >= 0 && prec < pq->num_prec);
+        ASSERT(PKTLINK(p) == NULL);         /* queueing chains not allowed */
+
+        ASSERT(!pktq_full(pq));
+        ASSERT(!pktq_pfull(pq, prec));
+
+        q = &pq->q[prec];
+
+        if (q->head)
+                PKTSETLINK(q->tail, p);
+        else
+                q->head = p;
+
+        q->tail = p;
+        q->len++;
+
+        pq->len++;
+
+        if (pq->hi_prec < prec)
+                pq->hi_prec = (uint8)prec;
+
+        return p;
+}
+
+void *
+pktq_penq_head(struct pktq *pq, int prec, void *p)
+{
+        struct pktq_prec *q;
+
+        ASSERT(prec >= 0 && prec < pq->num_prec);
+        ASSERT(PKTLINK(p) == NULL);         /* queueing chains not allowed */
+
+        ASSERT(!pktq_full(pq));
+        ASSERT(!pktq_pfull(pq, prec));
+
+        q = &pq->q[prec];
+
+        if (q->head == NULL)
+                q->tail = p;
+
+        PKTSETLINK(p, q->head);
+        q->head = p;
+        q->len++;
+
+        pq->len++;
+
+        if (pq->hi_prec < prec)
+                pq->hi_prec = (uint8)prec;
+
+        return p;
+}
+
+void *
+pktq_pdeq(struct pktq *pq, int prec)
+{
+        struct pktq_prec *q;
+        void *p;
+
+        ASSERT(prec >= 0 && prec < pq->num_prec);
+
+        q = &pq->q[prec];
+
+        if ((p = q->head) == NULL)
+                return NULL;
+
+        if ((q->head = PKTLINK(p)) == NULL)
+                q->tail = NULL;
+
+        q->len--;
+
+        pq->len--;
+
+        PKTSETLINK(p, NULL);
+
+        return p;
+}
+
+void *
+pktq_pdeq_tail(struct pktq *pq, int prec)
+{
+        struct pktq_prec *q;
+        void *p, *prev;
+
+        ASSERT(prec >= 0 && prec < pq->num_prec);
+
+        q = &pq->q[prec];
+
+        if ((p = q->head) == NULL)
+                return NULL;
+
+        for (prev = NULL; p != q->tail; p = PKTLINK(p))
+                prev = p;
+
+        if (prev)
+                PKTSETLINK(prev, NULL);
+        else
+                q->head = NULL;
+
+        q->tail = prev;
+        q->len--;
+
+        pq->len--;
+
+        return p;
+}
+
+void
+pktq_pflush(osl_t *osh, struct pktq *pq, int prec, bool dir)
+{
+        struct pktq_prec *q;
+        void *p;
+
+        q = &pq->q[prec];
+        p = q->head;
+        while (p) {
+                q->head = PKTLINK(p);
+                PKTSETLINK(p, NULL);
+                PKTFREE(osh, p, dir);
+                q->len--;
+                pq->len--;
+                p = q->head;
+        }
+        ASSERT(q->len == 0);
+        q->tail = NULL;
+}
+
+bool
+pktq_pdel(struct pktq *pq, void *pktbuf, int prec)
+{
+        struct pktq_prec *q;
+        void *p;
+
+        ASSERT(prec >= 0 && prec < pq->num_prec);
+
+        if (!pktbuf)
+                return FALSE;
+
+        q = &pq->q[prec];
+
+        if (q->head == pktbuf) {
+                if ((q->head = PKTLINK(pktbuf)) == NULL)
+                        q->tail = NULL;
+        } else {
+                for (p = q->head; p && PKTLINK(p) != pktbuf; p = PKTLINK(p))
+                        ;
+                if (p == NULL)
+                        return FALSE;
+
+                PKTSETLINK(p, PKTLINK(pktbuf));
+                if (q->tail == pktbuf)
+                        q->tail = p;
+        }
+
+        q->len--;
+        pq->len--;
+        PKTSETLINK(pktbuf, NULL);
+        return TRUE;
+}
+
+void
+pktq_init(struct pktq *pq, int num_prec, int max_len)
+{
+        int prec;
+
+        ASSERT(num_prec > 0 && num_prec <= PKTQ_MAX_PREC);
+
+        /* pq is variable size; only zero out what's requested */
+        bzero(pq, OFFSETOF(struct pktq, q) + (sizeof(struct pktq_prec) * num_prec));
+
+        pq->num_prec = (uint16)num_prec;
+
+        pq->max = (uint16)max_len;
+
+        for (prec = 0; prec < num_prec; prec++)
+                pq->q[prec].max = pq->max;
+}
+
+void *
+pktq_deq(struct pktq *pq, int *prec_out)
+{
+        struct pktq_prec *q;
+        void *p;
+        int prec;
+
+        if (pq->len == 0)
+                return NULL;
+
+        while ((prec = pq->hi_prec) > 0 && pq->q[prec].head == NULL)
+                pq->hi_prec--;
+
+        q = &pq->q[prec];
+
+        if ((p = q->head) == NULL)
+                return NULL;
+
+        if ((q->head = PKTLINK(p)) == NULL)
+                q->tail = NULL;
+
+        q->len--;
+
+        pq->len--;
+
+        if (prec_out)
+                *prec_out = prec;
+
+        PKTSETLINK(p, NULL);
+
+        return p;
+}
+
+void *
+pktq_deq_tail(struct pktq *pq, int *prec_out)
+{
+        struct pktq_prec *q;
+        void *p, *prev;
+        int prec;
+
+        if (pq->len == 0)
+                return NULL;
+
+        for (prec = 0; prec < pq->hi_prec; prec++)
+                if (pq->q[prec].head)
+                        break;
+
+        q = &pq->q[prec];
+
+        if ((p = q->head) == NULL)
+                return NULL;
+
+        for (prev = NULL; p != q->tail; p = PKTLINK(p))
+                prev = p;
+
+        if (prev)
+                PKTSETLINK(prev, NULL);
+        else
+                q->head = NULL;
+
+        q->tail = prev;
+        q->len--;
+
+        pq->len--;
+
+        if (prec_out)
+                *prec_out = prec;
+
+        PKTSETLINK(p, NULL);
+
+        return p;
+}
+
+void *
+pktq_peek(struct pktq *pq, int *prec_out)
+{
+        int prec;
+
+        if (pq->len == 0)
+                return NULL;
+
+        while ((prec = pq->hi_prec) > 0 && pq->q[prec].head == NULL)
+                pq->hi_prec--;
+
+        if (prec_out)
+                *prec_out = prec;
+
+        return (pq->q[prec].head);
+}
+
+void *
+pktq_peek_tail(struct pktq *pq, int *prec_out)
+{
+        int prec;
+
+        if (pq->len == 0)
+                return NULL;
+
+        for (prec = 0; prec < pq->hi_prec; prec++)
+                if (pq->q[prec].head)
+                        break;
+
+        if (prec_out)
+                *prec_out = prec;
+
+        return (pq->q[prec].tail);
+}
+
+void
+pktq_flush(osl_t *osh, struct pktq *pq, bool dir)
+{
+        int prec;
+        for (prec = 0; prec < pq->num_prec; prec++)
+                pktq_pflush(osh, pq, prec, dir);
+        ASSERT(pq->len == 0);
+}
+
+/* Return sum of lengths of a specific set of precedences */
+int
+pktq_mlen(struct pktq *pq, uint prec_bmp)
+{
+        int prec, len;
+
+        len = 0;
+
+        for (prec = 0; prec <= pq->hi_prec; prec++)
+                if (prec_bmp & (1 << prec))
+                        len += pq->q[prec].len;
+
+        return len;
+}
+
+/* Priority dequeue from a specific set of precedences */
+void *
+pktq_mdeq(struct pktq *pq, uint prec_bmp, int *prec_out)
+{
+        struct pktq_prec *q;
+        void *p;
+        int prec;
+
+        if (pq->len == 0)
+                return NULL;
+
+        while ((prec = pq->hi_prec) > 0 && pq->q[prec].head == NULL)
+                pq->hi_prec--;
+
+        while ((prec_bmp & (1 << prec)) == 0 || pq->q[prec].head == NULL)
+                if (prec-- == 0)
+                        return NULL;
+
+        q = &pq->q[prec];
+
+        if ((p = q->head) == NULL)
+                return NULL;
+
+        if ((q->head = PKTLINK(p)) == NULL)
+                q->tail = NULL;
+
+        q->len--;
+
+        if (prec_out)
+                *prec_out = prec;
+
+        pq->len--;
+
+        PKTSETLINK(p, NULL);
+
+        return p;
+}
+#endif /* BCMDRIVER */
+
+
+
+const unsigned char bcm_ctype[] = {
+        _BCM_C,_BCM_C,_BCM_C,_BCM_C,_BCM_C,_BCM_C,_BCM_C,_BCM_C,                        /* 0-7 */
+        _BCM_C, _BCM_C|_BCM_S, _BCM_C|_BCM_S, _BCM_C|_BCM_S, _BCM_C|_BCM_S, _BCM_C|_BCM_S, _BCM_C,
+        _BCM_C, /* 8-15 */
+        _BCM_C,_BCM_C,_BCM_C,_BCM_C,_BCM_C,_BCM_C,_BCM_C,_BCM_C,                        /* 16-23 */
+        _BCM_C,_BCM_C,_BCM_C,_BCM_C,_BCM_C,_BCM_C,_BCM_C,_BCM_C,                        /* 24-31 */
+        _BCM_S|_BCM_SP,_BCM_P,_BCM_P,_BCM_P,_BCM_P,_BCM_P,_BCM_P,_BCM_P,                /* 32-39 */
+        _BCM_P,_BCM_P,_BCM_P,_BCM_P,_BCM_P,_BCM_P,_BCM_P,_BCM_P,                        /* 40-47 */
+        _BCM_D,_BCM_D,_BCM_D,_BCM_D,_BCM_D,_BCM_D,_BCM_D,_BCM_D,                        /* 48-55 */
+        _BCM_D,_BCM_D,_BCM_P,_BCM_P,_BCM_P,_BCM_P,_BCM_P,_BCM_P,                        /* 56-63 */
+        _BCM_P, _BCM_U|_BCM_X, _BCM_U|_BCM_X, _BCM_U|_BCM_X, _BCM_U|_BCM_X, _BCM_U|_BCM_X,
+        _BCM_U|_BCM_X, _BCM_U, /* 64-71 */
+        _BCM_U,_BCM_U,_BCM_U,_BCM_U,_BCM_U,_BCM_U,_BCM_U,_BCM_U,                        /* 72-79 */
+        _BCM_U,_BCM_U,_BCM_U,_BCM_U,_BCM_U,_BCM_U,_BCM_U,_BCM_U,                        /* 80-87 */
+        _BCM_U,_BCM_U,_BCM_U,_BCM_P,_BCM_P,_BCM_P,_BCM_P,_BCM_P,                        /* 88-95 */
+        _BCM_P, _BCM_L|_BCM_X, _BCM_L|_BCM_X, _BCM_L|_BCM_X, _BCM_L|_BCM_X, _BCM_L|_BCM_X,
+        _BCM_L|_BCM_X, _BCM_L, /* 96-103 */
+        _BCM_L,_BCM_L,_BCM_L,_BCM_L,_BCM_L,_BCM_L,_BCM_L,_BCM_L, /* 104-111 */
+        _BCM_L,_BCM_L,_BCM_L,_BCM_L,_BCM_L,_BCM_L,_BCM_L,_BCM_L, /* 112-119 */
+        _BCM_L,_BCM_L,_BCM_L,_BCM_P,_BCM_P,_BCM_P,_BCM_P,_BCM_C, /* 120-127 */
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,         /* 128-143 */
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,         /* 144-159 */
+        _BCM_S|_BCM_SP, _BCM_P, _BCM_P, _BCM_P, _BCM_P, _BCM_P, _BCM_P, _BCM_P, _BCM_P, _BCM_P,
+        _BCM_P, _BCM_P, _BCM_P, _BCM_P, _BCM_P, _BCM_P, /* 160-175 */
+        _BCM_P, _BCM_P, _BCM_P, _BCM_P, _BCM_P, _BCM_P, _BCM_P, _BCM_P, _BCM_P, _BCM_P, _BCM_P,
+        _BCM_P, _BCM_P, _BCM_P, _BCM_P, _BCM_P, /* 176-191 */
+        _BCM_U, _BCM_U, _BCM_U, _BCM_U, _BCM_U, _BCM_U, _BCM_U, _BCM_U, _BCM_U, _BCM_U, _BCM_U,
+        _BCM_U, _BCM_U, _BCM_U, _BCM_U, _BCM_U, /* 192-207 */
+        _BCM_U, _BCM_U, _BCM_U, _BCM_U, _BCM_U, _BCM_U, _BCM_U, _BCM_P, _BCM_U, _BCM_U, _BCM_U,
+        _BCM_U, _BCM_U, _BCM_U, _BCM_U, _BCM_L, /* 208-223 */
+        _BCM_L, _BCM_L, _BCM_L, _BCM_L, _BCM_L, _BCM_L, _BCM_L, _BCM_L, _BCM_L, _BCM_L, _BCM_L,
+        _BCM_L, _BCM_L, _BCM_L, _BCM_L, _BCM_L, /* 224-239 */
+        _BCM_L, _BCM_L, _BCM_L, _BCM_L, _BCM_L, _BCM_L, _BCM_L, _BCM_P, _BCM_L, _BCM_L, _BCM_L,
+        _BCM_L, _BCM_L, _BCM_L, _BCM_L, _BCM_L /* 240-255 */
+};
+
+ulong
+bcm_strtoul(char *cp, char **endp, uint base)
+{
+        ulong result, last_result = 0, value;
+        bool minus;
+
+        minus = FALSE;
+
+        while (bcm_isspace(*cp))
+                cp++;
+
+        if (cp[0] == '+')
+                cp++;
+        else if (cp[0] == '-') {
+                minus = TRUE;
+                cp++;
+        }
+
+        if (base == 0) {
+                if (cp[0] == '0') {
+                        if ((cp[1] == 'x') || (cp[1] == 'X')) {
+                                base = 16;
+                                cp = &cp[2];
+                        } else {
+                                base = 8;
+                                cp = &cp[1];
+                        }
+                } else
+                        base = 10;
+        } else if (base == 16 && (cp[0] == '0') && ((cp[1] == 'x') || (cp[1] == 'X'))) {
+                cp = &cp[2];
+        }
+
+        result = 0;
+
+        while (bcm_isxdigit(*cp) &&
+               (value = bcm_isdigit(*cp) ? *cp-'0' : bcm_toupper(*cp)-'A'+10) < base) {
+                result = result*base + value;
+                /* Detected overflow */
+                if (result < last_result && !minus)
+                        return (ulong)-1;
+                last_result = result;
+                cp++;
+        }
+
+        if (minus)
+                result = (ulong)(-(long)result);
+
+        if (endp)
+                *endp = (char *)cp;
+
+        return (result);
+}
+
+int
+bcm_atoi(char *s)
+{
+        return (int)bcm_strtoul(s, NULL, 10);
+}
+
+/* return pointer to location of substring 'needle' in 'haystack' */
+char*
+bcmstrstr(char *haystack, char *needle)
+{
+        int len, nlen;
+        int i;
+
+        if ((haystack == NULL) || (needle == NULL))
+                return (haystack);
+
+        nlen = strlen(needle);
+        len = strlen(haystack) - nlen + 1;
+
+        for (i = 0; i < len; i++)
+                if (memcmp(needle, &haystack[i], nlen) == 0)
+                        return (&haystack[i]);
+        return (NULL);
+}
+
+char*
+bcmstrcat(char *dest, const char *src)
+{
+        char *p;
+
+        p = dest + strlen(dest);
+
+        while ((*p++ = *src++) != '\0')
+                ;
+
+        return (dest);
+}
+
+char*
+bcmstrncat(char *dest, const char *src, uint size)
+{
+        char *endp;
+        char *p;
+
+        p = dest + strlen(dest);
+        endp = p + size;
+
+        while (p != endp && (*p++ = *src++) != '\0')
+                ;
+
+        return (dest);
+}
+
+
+/****************************************************************************
+* Function:   bcmstrtok
+*
+* Purpose:
+*  Tokenizes a string. This function is conceptually similiar to ANSI C strtok(),
+*  but allows strToken() to be used by different strings or callers at the same
+*  time. Each call modifies '*string' by substituting a NULL character for the
+*  first delimiter that is encountered, and updates 'string' to point to the char
+*  after the delimiter. Leading delimiters are skipped.
+*
+* Parameters:
+*  string      (mod) Ptr to string ptr, updated by token.
+*  delimiters  (in)  Set of delimiter characters.
+*  tokdelim    (out) Character that delimits the returned token. (May
+*                    be set to NULL if token delimiter is not required).
+*
+* Returns:  Pointer to the next token found. NULL when no more tokens are found.
+*****************************************************************************
+*/
+char *
+bcmstrtok(char **string, const char *delimiters, char *tokdelim)
+{
+        unsigned char *str;
+        unsigned long map[8];
+        int count;
+        char *nextoken;
+
+        if (tokdelim != NULL) {
+                /* Prime the token delimiter */
+                *tokdelim = '\0';
+        }
+
+        /* Clear control map */
+        for (count = 0; count < 8; count++) {
+                map[count] = 0;
+        }
+
+        /* Set bits in delimiter table */
+        do {
+                map[*delimiters >> 5] |= (1 << (*delimiters & 31));
+        }
+        while (*delimiters++);
+
+        str = (unsigned char*)*string;
+
+        /* Find beginning of token (skip over leading delimiters). Note that
+         * there is no token iff this loop sets str to point to the terminal
+         * null (*str == '\0')
+         */
+        while (((map[*str >> 5] & (1 << (*str & 31))) && *str) || (*str == ' ')) {
+                str++;
+        }
+
+        nextoken = (char*)str;
+
+        /* Find the end of the token. If it is not the end of the string,
+         * put a null there.
+         */
+        for (; *str; str++) {
+                if (map[*str >> 5] & (1 << (*str & 31))) {
+                        if (tokdelim != NULL) {
+                                *tokdelim = *str;
+                        }
+
+                        *str++ = '\0';
+                        break;
+                }
+        }
+
+        *string = (char*)str;
+
+        /* Determine if a token has been found. */
+        if (nextoken == (char *) str) {
+                return NULL;
+        }
+        else {
+                return nextoken;
+        }
+}
+
+
+#define xToLower(C) \
+        ((C >= 'A' && C <= 'Z') ? (char)((int)C - (int)'A' + (int)'a') : C)
+
+
+/****************************************************************************
+* Function:   bcmstricmp
+*
+* Purpose:    Compare to strings case insensitively.
+*
+* Parameters: s1 (in) First string to compare.
+*             s2 (in) Second string to compare.
+*
+* Returns:    Return 0 if the two strings are equal, -1 if t1 < t2 and 1 if
+*             t1 > t2, when ignoring case sensitivity.
+*****************************************************************************
+*/
+int
+bcmstricmp(const char *s1, const char *s2)
+{
+        char dc, sc;
+
+        while (*s2 && *s1) {
+                dc = xToLower(*s1);
+                sc = xToLower(*s2);
+                if (dc < sc) return -1;
+                if (dc > sc) return 1;
+                s1++;
+                s2++;
+        }
+
+        if (*s1 && !*s2) return 1;
+        if (!*s1 && *s2) return -1;
+        return 0;
+}
+
+
+/****************************************************************************
+* Function:   bcmstrnicmp
+*
+* Purpose:    Compare to strings case insensitively, upto a max of 'cnt'
+*             characters.
+*
+* Parameters: s1  (in) First string to compare.
+*             s2  (in) Second string to compare.
+*             cnt (in) Max characters to compare.
+*
+* Returns:    Return 0 if the two strings are equal, -1 if t1 < t2 and 1 if
+*             t1 > t2, when ignoring case sensitivity.
+*****************************************************************************
+*/
+int
+bcmstrnicmp(const char* s1, const char* s2, int cnt)
+{
+        char dc, sc;
+
+        while (*s2 && *s1 && cnt) {
+                dc = xToLower(*s1);
+                sc = xToLower(*s2);
+                if (dc < sc) return -1;
+                if (dc > sc) return 1;
+                s1++;
+                s2++;
+                cnt--;
+        }
+
+        if (!cnt) return 0;
+        if (*s1 && !*s2) return 1;
+        if (!*s1 && *s2) return -1;
+        return 0;
+}
+
+/* parse a xx:xx:xx:xx:xx:xx format ethernet address */
+int
+bcm_ether_atoe(char *p, struct ether_addr *ea)
+{
+        int i = 0;
+
+        for (;;) {
+                ea->octet[i++] = (char) bcm_strtoul(p, &p, 16);
+                if (!*p++ || i == 6)
+                        break;
+        }
+
+        return (i == 6);
+}
+
+
+#if defined(CONFIG_USBRNDIS_RETAIL) || defined(NDIS_MINIPORT_DRIVER)
+/* registry routine buffer preparation utility functions:
+ * parameter order is like strncpy, but returns count
+ * of bytes copied. Minimum bytes copied is null char(1)/wchar(2)
+ */
+ulong
+wchar2ascii(char *abuf, ushort *wbuf, ushort wbuflen, ulong abuflen)
+{
+        ulong copyct = 1;
+        ushort i;
+
+        if (abuflen == 0)
+                return 0;
+
+        /* wbuflen is in bytes */
+        wbuflen /= sizeof(ushort);
+
+        for (i = 0; i < wbuflen; ++i) {
+                if (--abuflen == 0)
+                        break;
+                *abuf++ = (char) *wbuf++;
+                ++copyct;
+        }
+        *abuf = '\0';
+
+        return copyct;
+}
+#endif /* CONFIG_USBRNDIS_RETAIL || NDIS_MINIPORT_DRIVER */
+
+char *
+bcm_ether_ntoa(const struct ether_addr *ea, char *buf)
+{
+        static const char template[] = "%02x:%02x:%02x:%02x:%02x:%02x";
+        snprintf(buf, 18, template,
+                ea->octet[0]&0xff, ea->octet[1]&0xff, ea->octet[2]&0xff,
+                ea->octet[3]&0xff, ea->octet[4]&0xff, ea->octet[5]&0xff);
+        return (buf);
+}
+
+char *
+bcm_ip_ntoa(struct ipv4_addr *ia, char *buf)
+{
+        snprintf(buf, 16, "%d.%d.%d.%d",
+                 ia->addr[0], ia->addr[1], ia->addr[2], ia->addr[3]);
+        return (buf);
+}
+
+#ifdef BCMDRIVER
+
+void
+bcm_mdelay(uint ms)
+{
+        uint i;
+
+        for (i = 0; i < ms; i++) {
+                OSL_DELAY(1000);
+        }
+}
+
+
+
+
+
+
+#if defined(DHD_DEBUG)
+/* pretty hex print a pkt buffer chain */
+void
+prpkt(const char *msg, osl_t *osh, void *p0)
+{
+        void *p;
+
+        if (msg && (msg[0] != '\0'))
+                printf("%s:\n", msg);
+
+        for (p = p0; p; p = PKTNEXT(osh, p))
+                prhex(NULL, PKTDATA(osh, p), PKTLEN(osh, p));
+}
+#endif  
+
+/* Takes an Ethernet frame and sets out-of-bound PKTPRIO.
+ * Also updates the inplace vlan tag if requested.
+ * For debugging, it returns an indication of what it did.
+ */
+uint
+pktsetprio(void *pkt, bool update_vtag)
+{
+        struct ether_header *eh;
+        struct ethervlan_header *evh;
+        uint8 *pktdata;
+        int priority = 0;
+        int rc = 0;
+
+        pktdata = (uint8 *) PKTDATA(NULL, pkt);
+        ASSERT(ISALIGNED((uintptr)pktdata, sizeof(uint16)));
+
+        eh = (struct ether_header *) pktdata;
+
+        if (ntoh16(eh->ether_type) == ETHER_TYPE_8021Q) {
+                uint16 vlan_tag;
+                int vlan_prio, dscp_prio = 0;
+
+                evh = (struct ethervlan_header *)eh;
+
+                vlan_tag = ntoh16(evh->vlan_tag);
+                vlan_prio = (int) (vlan_tag >> VLAN_PRI_SHIFT) & VLAN_PRI_MASK;
+
+                if (ntoh16(evh->ether_type) == ETHER_TYPE_IP) {
+                        uint8 *ip_body = pktdata + sizeof(struct ethervlan_header);
+                        uint8 tos_tc = IP_TOS(ip_body);
+                        dscp_prio = (int)(tos_tc >> IPV4_TOS_PREC_SHIFT);
+                }
+
+                /* DSCP priority gets precedence over 802.1P (vlan tag) */
+                if (dscp_prio != 0) {
+                        priority = dscp_prio;
+                        rc |= PKTPRIO_VDSCP;
+                } else {
+                        priority = vlan_prio;
+                        rc |= PKTPRIO_VLAN;
+                }
+                /*
+                 * If the DSCP priority is not the same as the VLAN priority,
+                 * then overwrite the priority field in the vlan tag, with the
+                 * DSCP priority value. This is required for Linux APs because
+                 * the VLAN driver on Linux, overwrites the skb->priority field
+                 * with the priority value in the vlan tag
+                 */
+                if (update_vtag && (priority != vlan_prio)) {
+                        vlan_tag &= ~(VLAN_PRI_MASK << VLAN_PRI_SHIFT);
+                        vlan_tag |= (uint16)priority << VLAN_PRI_SHIFT;
+                        evh->vlan_tag = hton16(vlan_tag);
+                        rc |= PKTPRIO_UPD;
+                }
+        } else if (ntoh16(eh->ether_type) == ETHER_TYPE_IP) {
+                uint8 *ip_body = pktdata + sizeof(struct ether_header);
+                uint8 tos_tc = IP_TOS(ip_body);
+                priority = (int)(tos_tc >> IPV4_TOS_PREC_SHIFT);
+                rc |= PKTPRIO_DSCP;
+        }
+
+        ASSERT(priority >= 0 && priority <= MAXPRIO);
+        PKTSETPRIO(pkt, priority);
+        return (rc | priority);
+}
+
+static char bcm_undeferrstr[BCME_STRLEN];
+
+static const char *bcmerrorstrtable[] = BCMERRSTRINGTABLE;
+
+/* Convert the error codes into related error strings  */
+const char *
+bcmerrorstr(int bcmerror)
+{
+        /* check if someone added a bcmerror code but forgot to add errorstring */
+        ASSERT(ABS(BCME_LAST) == (ARRAYSIZE(bcmerrorstrtable) - 1));
+
+        if (bcmerror > 0 || bcmerror < BCME_LAST) {
+                snprintf(bcm_undeferrstr, BCME_STRLEN, "Undefined error %d", bcmerror);
+                return bcm_undeferrstr;
+        }
+
+        ASSERT(strlen(bcmerrorstrtable[-bcmerror]) < BCME_STRLEN);
+
+        return bcmerrorstrtable[-bcmerror];
+}
+
+
+
+/* iovar table lookup */
+const bcm_iovar_t*
+bcm_iovar_lookup(const bcm_iovar_t *table, const char *name)
+{
+        const bcm_iovar_t *vi;
+        const char *lookup_name;
+
+        /* skip any ':' delimited option prefixes */
+        lookup_name = strrchr(name, ':');
+        if (lookup_name != NULL)
+                lookup_name++;
+        else
+                lookup_name = name;
+
+        ASSERT(table != NULL);
+
+        for (vi = table; vi->name; vi++) {
+                if (!strcmp(vi->name, lookup_name))
+                        return vi;
+        }
+        /* ran to end of table */
+
+        return NULL; /* var name not found */
+}
+
+int
+bcm_iovar_lencheck(const bcm_iovar_t *vi, void *arg, int len, bool set)
+{
+        int bcmerror = 0;
+
+        /* length check on io buf */
+        switch (vi->type) {
+        case IOVT_BOOL:
+        case IOVT_INT8:
+        case IOVT_INT16:
+        case IOVT_INT32:
+        case IOVT_UINT8:
+        case IOVT_UINT16:
+        case IOVT_UINT32:
+                /* all integers are int32 sized args at the ioctl interface */
+                if (len < (int)sizeof(int)) {
+                        bcmerror = BCME_BUFTOOSHORT;
+                }
+                break;
+
+        case IOVT_BUFFER:
+                /* buffer must meet minimum length requirement */
+                if (len < vi->minlen) {
+                        bcmerror = BCME_BUFTOOSHORT;
+                }
+                break;
+
+        case IOVT_VOID:
+                if (!set) {
+                        /* Cannot return nil... */
+                        bcmerror = BCME_UNSUPPORTED;
+                } else if (len) {
+                        /* Set is an action w/o parameters */
+                        bcmerror = BCME_BUFTOOLONG;
+                }
+                break;
+
+        default:
+                /* unknown type for length check in iovar info */
+                ASSERT(0);
+                bcmerror = BCME_UNSUPPORTED;
+        }
+
+        return bcmerror;
+}
+
+#endif  /* BCMDRIVER */
+
+/*******************************************************************************
+ * crc8
+ *
+ * Computes a crc8 over the input data using the polynomial:
+ *
+ *       x^8 + x^7 +x^6 + x^4 + x^2 + 1
+ *
+ * The caller provides the initial value (either CRC8_INIT_VALUE
+ * or the previous returned value) to allow for processing of
+ * discontiguous blocks of data.  When generating the CRC the
+ * caller is responsible for complementing the final return value
+ * and inserting it into the byte stream.  When checking, a final
+ * return value of CRC8_GOOD_VALUE indicates a valid CRC.
+ *
+ * Reference: Dallas Semiconductor Application Note 27
+ *   Williams, Ross N., "A Painless Guide to CRC Error Detection Algorithms",
+ *     ver 3, Aug 1993, ross@guest.adelaide.edu.au, Rocksoft Pty Ltd.,
+ *     ftp://ftp.rocksoft.com/clients/rocksoft/papers/crc_v3.txt
+ *
+ * ****************************************************************************
+ */
+
+STATIC const uint8 crc8_table[256] = {
+    0x00, 0xF7, 0xB9, 0x4E, 0x25, 0xD2, 0x9C, 0x6B,
+    0x4A, 0xBD, 0xF3, 0x04, 0x6F, 0x98, 0xD6, 0x21,
+    0x94, 0x63, 0x2D, 0xDA, 0xB1, 0x46, 0x08, 0xFF,
+    0xDE, 0x29, 0x67, 0x90, 0xFB, 0x0C, 0x42, 0xB5,
+    0x7F, 0x88, 0xC6, 0x31, 0x5A, 0xAD, 0xE3, 0x14,
+    0x35, 0xC2, 0x8C, 0x7B, 0x10, 0xE7, 0xA9, 0x5E,
+    0xEB, 0x1C, 0x52, 0xA5, 0xCE, 0x39, 0x77, 0x80,
+    0xA1, 0x56, 0x18, 0xEF, 0x84, 0x73, 0x3D, 0xCA,
+    0xFE, 0x09, 0x47, 0xB0, 0xDB, 0x2C, 0x62, 0x95,
+    0xB4, 0x43, 0x0D, 0xFA, 0x91, 0x66, 0x28, 0xDF,
+    0x6A, 0x9D, 0xD3, 0x24, 0x4F, 0xB8, 0xF6, 0x01,
+    0x20, 0xD7, 0x99, 0x6E, 0x05, 0xF2, 0xBC, 0x4B,
+    0x81, 0x76, 0x38, 0xCF, 0xA4, 0x53, 0x1D, 0xEA,
+    0xCB, 0x3C, 0x72, 0x85, 0xEE, 0x19, 0x57, 0xA0,
+    0x15, 0xE2, 0xAC, 0x5B, 0x30, 0xC7, 0x89, 0x7E,
+    0x5F, 0xA8, 0xE6, 0x11, 0x7A, 0x8D, 0xC3, 0x34,
+    0xAB, 0x5C, 0x12, 0xE5, 0x8E, 0x79, 0x37, 0xC0,
+    0xE1, 0x16, 0x58, 0xAF, 0xC4, 0x33, 0x7D, 0x8A,
+    0x3F, 0xC8, 0x86, 0x71, 0x1A, 0xED, 0xA3, 0x54,
+    0x75, 0x82, 0xCC, 0x3B, 0x50, 0xA7, 0xE9, 0x1E,
+    0xD4, 0x23, 0x6D, 0x9A, 0xF1, 0x06, 0x48, 0xBF,
+    0x9E, 0x69, 0x27, 0xD0, 0xBB, 0x4C, 0x02, 0xF5,
+    0x40, 0xB7, 0xF9, 0x0E, 0x65, 0x92, 0xDC, 0x2B,
+    0x0A, 0xFD, 0xB3, 0x44, 0x2F, 0xD8, 0x96, 0x61,
+    0x55, 0xA2, 0xEC, 0x1B, 0x70, 0x87, 0xC9, 0x3E,
+    0x1F, 0xE8, 0xA6, 0x51, 0x3A, 0xCD, 0x83, 0x74,
+    0xC1, 0x36, 0x78, 0x8F, 0xE4, 0x13, 0x5D, 0xAA,
+    0x8B, 0x7C, 0x32, 0xC5, 0xAE, 0x59, 0x17, 0xE0,
+    0x2A, 0xDD, 0x93, 0x64, 0x0F, 0xF8, 0xB6, 0x41,
+    0x60, 0x97, 0xD9, 0x2E, 0x45, 0xB2, 0xFC, 0x0B,
+    0xBE, 0x49, 0x07, 0xF0, 0x9B, 0x6C, 0x22, 0xD5,
+    0xF4, 0x03, 0x4D, 0xBA, 0xD1, 0x26, 0x68, 0x9F
+};
+
+#define CRC_INNER_LOOP(n, c, x) \
+        (c) = ((c) >> 8) ^ crc##n##_table[((c) ^ (x)) & 0xff]
+
+uint8
+hndcrc8(
+        uint8 *pdata,   /* pointer to array of data to process */
+        uint  nbytes,   /* number of input data bytes to process */
+        uint8 crc       /* either CRC8_INIT_VALUE or previous return value */
+)
+{
+        /* hard code the crc loop instead of using CRC_INNER_LOOP macro
+         * to avoid the undefined and unnecessary (uint8 >> 8) operation.
+         */
+        while (nbytes-- > 0)
+                crc = crc8_table[(crc ^ *pdata++) & 0xff];
+
+        return crc;
+}
+
+/*******************************************************************************
+ * crc16
+ *
+ * Computes a crc16 over the input data using the polynomial:
+ *
+ *       x^16 + x^12 +x^5 + 1
+ *
+ * The caller provides the initial value (either CRC16_INIT_VALUE
+ * or the previous returned value) to allow for processing of
+ * discontiguous blocks of data.  When generating the CRC the
+ * caller is responsible for complementing the final return value
+ * and inserting it into the byte stream.  When checking, a final
+ * return value of CRC16_GOOD_VALUE indicates a valid CRC.
+ *
+ * Reference: Dallas Semiconductor Application Note 27
+ *   Williams, Ross N., "A Painless Guide to CRC Error Detection Algorithms",
+ *     ver 3, Aug 1993, ross@guest.adelaide.edu.au, Rocksoft Pty Ltd.,
+ *     ftp://ftp.rocksoft.com/clients/rocksoft/papers/crc_v3.txt
+ *
+ * ****************************************************************************
+ */
+
+static const uint16 crc16_table[256] = {
+    0x0000, 0x1189, 0x2312, 0x329B, 0x4624, 0x57AD, 0x6536, 0x74BF,
+    0x8C48, 0x9DC1, 0xAF5A, 0xBED3, 0xCA6C, 0xDBE5, 0xE97E, 0xF8F7,
+    0x1081, 0x0108, 0x3393, 0x221A, 0x56A5, 0x472C, 0x75B7, 0x643E,
+    0x9CC9, 0x8D40, 0xBFDB, 0xAE52, 0xDAED, 0xCB64, 0xF9FF, 0xE876,
+    0x2102, 0x308B, 0x0210, 0x1399, 0x6726, 0x76AF, 0x4434, 0x55BD,
+    0xAD4A, 0xBCC3, 0x8E58, 0x9FD1, 0xEB6E, 0xFAE7, 0xC87C, 0xD9F5,
+    0x3183, 0x200A, 0x1291, 0x0318, 0x77A7, 0x662E, 0x54B5, 0x453C,
+    0xBDCB, 0xAC42, 0x9ED9, 0x8F50, 0xFBEF, 0xEA66, 0xD8FD, 0xC974,
+    0x4204, 0x538D, 0x6116, 0x709F, 0x0420, 0x15A9, 0x2732, 0x36BB,
+    0xCE4C, 0xDFC5, 0xED5E, 0xFCD7, 0x8868, 0x99E1, 0xAB7A, 0xBAF3,
+    0x5285, 0x430C, 0x7197, 0x601E, 0x14A1, 0x0528, 0x37B3, 0x263A,
+    0xDECD, 0xCF44, 0xFDDF, 0xEC56, 0x98E9, 0x8960, 0xBBFB, 0xAA72,
+    0x6306, 0x728F, 0x4014, 0x519D, 0x2522, 0x34AB, 0x0630, 0x17B9,
+    0xEF4E, 0xFEC7, 0xCC5C, 0xDDD5, 0xA96A, 0xB8E3, 0x8A78, 0x9BF1,
+    0x7387, 0x620E, 0x5095, 0x411C, 0x35A3, 0x242A, 0x16B1, 0x0738,
+    0xFFCF, 0xEE46, 0xDCDD, 0xCD54, 0xB9EB, 0xA862, 0x9AF9, 0x8B70,
+    0x8408, 0x9581, 0xA71A, 0xB693, 0xC22C, 0xD3A5, 0xE13E, 0xF0B7,
+    0x0840, 0x19C9, 0x2B52, 0x3ADB, 0x4E64, 0x5FED, 0x6D76, 0x7CFF,
+    0x9489, 0x8500, 0xB79B, 0xA612, 0xD2AD, 0xC324, 0xF1BF, 0xE036,
+    0x18C1, 0x0948, 0x3BD3, 0x2A5A, 0x5EE5, 0x4F6C, 0x7DF7, 0x6C7E,
+    0xA50A, 0xB483, 0x8618, 0x9791, 0xE32E, 0xF2A7, 0xC03C, 0xD1B5,
+    0x2942, 0x38CB, 0x0A50, 0x1BD9, 0x6F66, 0x7EEF, 0x4C74, 0x5DFD,
+    0xB58B, 0xA402, 0x9699, 0x8710, 0xF3AF, 0xE226, 0xD0BD, 0xC134,
+    0x39C3, 0x284A, 0x1AD1, 0x0B58, 0x7FE7, 0x6E6E, 0x5CF5, 0x4D7C,
+    0xC60C, 0xD785, 0xE51E, 0xF497, 0x8028, 0x91A1, 0xA33A, 0xB2B3,
+    0x4A44, 0x5BCD, 0x6956, 0x78DF, 0x0C60, 0x1DE9, 0x2F72, 0x3EFB,
+    0xD68D, 0xC704, 0xF59F, 0xE416, 0x90A9, 0x8120, 0xB3BB, 0xA232,
+    0x5AC5, 0x4B4C, 0x79D7, 0x685E, 0x1CE1, 0x0D68, 0x3FF3, 0x2E7A,
+    0xE70E, 0xF687, 0xC41C, 0xD595, 0xA12A, 0xB0A3, 0x8238, 0x93B1,
+    0x6B46, 0x7ACF, 0x4854, 0x59DD, 0x2D62, 0x3CEB, 0x0E70, 0x1FF9,
+    0xF78F, 0xE606, 0xD49D, 0xC514, 0xB1AB, 0xA022, 0x92B9, 0x8330,
+    0x7BC7, 0x6A4E, 0x58D5, 0x495C, 0x3DE3, 0x2C6A, 0x1EF1, 0x0F78
+};
+
+uint16
+hndcrc16(
+    uint8 *pdata,  /* pointer to array of data to process */
+    uint nbytes, /* number of input data bytes to process */
+    uint16 crc     /* either CRC16_INIT_VALUE or previous return value */
+)
+{
+        while (nbytes-- > 0)
+                CRC_INNER_LOOP(16, crc, *pdata++);
+        return crc;
+}
+
+STATIC const uint32 crc32_table[256] = {
+    0x00000000, 0x77073096, 0xEE0E612C, 0x990951BA,
+    0x076DC419, 0x706AF48F, 0xE963A535, 0x9E6495A3,
+    0x0EDB8832, 0x79DCB8A4, 0xE0D5E91E, 0x97D2D988,
+    0x09B64C2B, 0x7EB17CBD, 0xE7B82D07, 0x90BF1D91,
+    0x1DB71064, 0x6AB020F2, 0xF3B97148, 0x84BE41DE,
+    0x1ADAD47D, 0x6DDDE4EB, 0xF4D4B551, 0x83D385C7,
+    0x136C9856, 0x646BA8C0, 0xFD62F97A, 0x8A65C9EC,
+    0x14015C4F, 0x63066CD9, 0xFA0F3D63, 0x8D080DF5,
+    0x3B6E20C8, 0x4C69105E, 0xD56041E4, 0xA2677172,
+    0x3C03E4D1, 0x4B04D447, 0xD20D85FD, 0xA50AB56B,
+    0x35B5A8FA, 0x42B2986C, 0xDBBBC9D6, 0xACBCF940,
+    0x32D86CE3, 0x45DF5C75, 0xDCD60DCF, 0xABD13D59,
+    0x26D930AC, 0x51DE003A, 0xC8D75180, 0xBFD06116,
+    0x21B4F4B5, 0x56B3C423, 0xCFBA9599, 0xB8BDA50F,
+    0x2802B89E, 0x5F058808, 0xC60CD9B2, 0xB10BE924,
+    0x2F6F7C87, 0x58684C11, 0xC1611DAB, 0xB6662D3D,
+    0x76DC4190, 0x01DB7106, 0x98D220BC, 0xEFD5102A,
+    0x71B18589, 0x06B6B51F, 0x9FBFE4A5, 0xE8B8D433,
+    0x7807C9A2, 0x0F00F934, 0x9609A88E, 0xE10E9818,
+    0x7F6A0DBB, 0x086D3D2D, 0x91646C97, 0xE6635C01,
+    0x6B6B51F4, 0x1C6C6162, 0x856530D8, 0xF262004E,
+    0x6C0695ED, 0x1B01A57B, 0x8208F4C1, 0xF50FC457,
+    0x65B0D9C6, 0x12B7E950, 0x8BBEB8EA, 0xFCB9887C,
+    0x62DD1DDF, 0x15DA2D49, 0x8CD37CF3, 0xFBD44C65,
+    0x4DB26158, 0x3AB551CE, 0xA3BC0074, 0xD4BB30E2,
+    0x4ADFA541, 0x3DD895D7, 0xA4D1C46D, 0xD3D6F4FB,
+    0x4369E96A, 0x346ED9FC, 0xAD678846, 0xDA60B8D0,
+    0x44042D73, 0x33031DE5, 0xAA0A4C5F, 0xDD0D7CC9,
+    0x5005713C, 0x270241AA, 0xBE0B1010, 0xC90C2086,
+    0x5768B525, 0x206F85B3, 0xB966D409, 0xCE61E49F,
+    0x5EDEF90E, 0x29D9C998, 0xB0D09822, 0xC7D7A8B4,
+    0x59B33D17, 0x2EB40D81, 0xB7BD5C3B, 0xC0BA6CAD,
+    0xEDB88320, 0x9ABFB3B6, 0x03B6E20C, 0x74B1D29A,
+    0xEAD54739, 0x9DD277AF, 0x04DB2615, 0x73DC1683,
+    0xE3630B12, 0x94643B84, 0x0D6D6A3E, 0x7A6A5AA8,
+    0xE40ECF0B, 0x9309FF9D, 0x0A00AE27, 0x7D079EB1,
+    0xF00F9344, 0x8708A3D2, 0x1E01F268, 0x6906C2FE,
+    0xF762575D, 0x806567CB, 0x196C3671, 0x6E6B06E7,
+    0xFED41B76, 0x89D32BE0, 0x10DA7A5A, 0x67DD4ACC,
+    0xF9B9DF6F, 0x8EBEEFF9, 0x17B7BE43, 0x60B08ED5,
+    0xD6D6A3E8, 0xA1D1937E, 0x38D8C2C4, 0x4FDFF252,
+    0xD1BB67F1, 0xA6BC5767, 0x3FB506DD, 0x48B2364B,
+    0xD80D2BDA, 0xAF0A1B4C, 0x36034AF6, 0x41047A60,
+    0xDF60EFC3, 0xA867DF55, 0x316E8EEF, 0x4669BE79,
+    0xCB61B38C, 0xBC66831A, 0x256FD2A0, 0x5268E236,
+    0xCC0C7795, 0xBB0B4703, 0x220216B9, 0x5505262F,
+    0xC5BA3BBE, 0xB2BD0B28, 0x2BB45A92, 0x5CB36A04,
+    0xC2D7FFA7, 0xB5D0CF31, 0x2CD99E8B, 0x5BDEAE1D,
+    0x9B64C2B0, 0xEC63F226, 0x756AA39C, 0x026D930A,
+    0x9C0906A9, 0xEB0E363F, 0x72076785, 0x05005713,
+    0x95BF4A82, 0xE2B87A14, 0x7BB12BAE, 0x0CB61B38,
+    0x92D28E9B, 0xE5D5BE0D, 0x7CDCEFB7, 0x0BDBDF21,
+    0x86D3D2D4, 0xF1D4E242, 0x68DDB3F8, 0x1FDA836E,
+    0x81BE16CD, 0xF6B9265B, 0x6FB077E1, 0x18B74777,
+    0x88085AE6, 0xFF0F6A70, 0x66063BCA, 0x11010B5C,
+    0x8F659EFF, 0xF862AE69, 0x616BFFD3, 0x166CCF45,
+    0xA00AE278, 0xD70DD2EE, 0x4E048354, 0x3903B3C2,
+    0xA7672661, 0xD06016F7, 0x4969474D, 0x3E6E77DB,
+    0xAED16A4A, 0xD9D65ADC, 0x40DF0B66, 0x37D83BF0,
+    0xA9BCAE53, 0xDEBB9EC5, 0x47B2CF7F, 0x30B5FFE9,
+    0xBDBDF21C, 0xCABAC28A, 0x53B39330, 0x24B4A3A6,
+    0xBAD03605, 0xCDD70693, 0x54DE5729, 0x23D967BF,
+    0xB3667A2E, 0xC4614AB8, 0x5D681B02, 0x2A6F2B94,
+    0xB40BBE37, 0xC30C8EA1, 0x5A05DF1B, 0x2D02EF8D
+};
+
+uint32
+hndcrc32(
+    uint8 *pdata,  /* pointer to array of data to process */
+    uint   nbytes, /* number of input data bytes to process */
+    uint32 crc     /* either CRC32_INIT_VALUE or previous return value */
+)
+{
+        uint8 *pend;
+#ifdef __mips__
+        uint8 tmp[4];
+        ulong *tptr = (ulong *)tmp;
+
+        /* in case the beginning of the buffer isn't aligned */
+        pend = (uint8 *)((uint)(pdata + 3) & 0xfffffffc);
+        nbytes -= (pend - pdata);
+        while (pdata < pend)
+                CRC_INNER_LOOP(32, crc, *pdata++);
+
+        /* handle bulk of data as 32-bit words */
+        pend = pdata + (nbytes & 0xfffffffc);
+        while (pdata < pend) {
+                *tptr = *(ulong *)pdata;
+                pdata += sizeof(ulong *);
+                CRC_INNER_LOOP(32, crc, tmp[0]);
+                CRC_INNER_LOOP(32, crc, tmp[1]);
+                CRC_INNER_LOOP(32, crc, tmp[2]);
+                CRC_INNER_LOOP(32, crc, tmp[3]);
+        }
+
+        /* 1-3 bytes at end of buffer */
+        pend = pdata + (nbytes & 0x03);
+        while (pdata < pend)
+                CRC_INNER_LOOP(32, crc, *pdata++);
+#else
+        pend = pdata + nbytes;
+        while (pdata < pend)
+                CRC_INNER_LOOP(32, crc, *pdata++);
+#endif /* __mips__ */
+
+        return crc;
+}
+
+#ifdef notdef
+#define CLEN    1499    /*  CRC Length */
+#define CBUFSIZ         (CLEN+4)
+#define CNBUFS          5 /* # of bufs */
+
+void testcrc32(void)
+{
+        uint j, k, l;
+        uint8 *buf;
+        uint len[CNBUFS];
+        uint32 crcr;
+        uint32 crc32tv[CNBUFS] =
+                {0xd2cb1faa, 0xd385c8fa, 0xf5b4f3f3, 0x55789e20, 0x00343110};
+
+        ASSERT((buf = MALLOC(CBUFSIZ*CNBUFS)) != NULL);
+
+        /* step through all possible alignments */
+        for (l = 0; l <= 4; l++) {
+                for (j = 0; j < CNBUFS; j++) {
+                        len[j] = CLEN;
+                        for (k = 0; k < len[j]; k++)
+                                *(buf + j*CBUFSIZ + (k+l)) = (j+k) & 0xff;
+                }
+
+                for (j = 0; j < CNBUFS; j++) {
+                        crcr = crc32(buf + j*CBUFSIZ + l, len[j], CRC32_INIT_VALUE);
+                        ASSERT(crcr == crc32tv[j]);
+                }
+        }
+
+        MFREE(buf, CBUFSIZ*CNBUFS);
+        return;
+}
+#endif /* notdef */
+
+/*
+ * Advance from the current 1-byte tag/1-byte length/variable-length value
+ * triple, to the next, returning a pointer to the next.
+ * If the current or next TLV is invalid (does not fit in given buffer length),
+ * NULL is returned.
+ * *buflen is not modified if the TLV elt parameter is invalid, or is decremented
+ * by the TLV parameter's length if it is valid.
+ */
+bcm_tlv_t *
+bcm_next_tlv(bcm_tlv_t *elt, int *buflen)
+{
+        int len;
+
+        /* validate current elt */
+        if (!bcm_valid_tlv(elt, *buflen))
+                return NULL;
+
+        /* advance to next elt */
+        len = elt->len;
+        elt = (bcm_tlv_t*)(elt->data + len);
+        *buflen -= (2 + len);
+
+        /* validate next elt */
+        if (!bcm_valid_tlv(elt, *buflen))
+                return NULL;
+
+        return elt;
+}
+
+/*
+ * Traverse a string of 1-byte tag/1-byte length/variable-length value
+ * triples, returning a pointer to the substring whose first element
+ * matches tag
+ */
+bcm_tlv_t *
+bcm_parse_tlvs(void *buf, int buflen, uint key)
+{
+        bcm_tlv_t *elt;
+        int totlen;
+
+        elt = (bcm_tlv_t*)buf;
+        totlen = buflen;
+
+        /* find tagged parameter */
+        while (totlen >= 2) {
+                int len = elt->len;
+
+                /* validate remaining totlen */
+                if ((elt->id == key) && (totlen >= (len + 2)))
+                        return (elt);
+
+                elt = (bcm_tlv_t*)((uint8*)elt + (len + 2));
+                totlen -= (len + 2);
+        }
+
+        return NULL;
+}
+
+/*
+ * Traverse a string of 1-byte tag/1-byte length/variable-length value
+ * triples, returning a pointer to the substring whose first element
+ * matches tag.  Stop parsing when we see an element whose ID is greater
+ * than the target key.
+ */
+bcm_tlv_t *
+bcm_parse_ordered_tlvs(void *buf, int buflen, uint key)
+{
+        bcm_tlv_t *elt;
+        int totlen;
+
+        elt = (bcm_tlv_t*)buf;
+        totlen = buflen;
+
+        /* find tagged parameter */
+        while (totlen >= 2) {
+                uint id = elt->id;
+                int len = elt->len;
+
+                /* Punt if we start seeing IDs > than target key */
+                if (id > key)
+                        return (NULL);
+
+                /* validate remaining totlen */
+                if ((id == key) && (totlen >= (len + 2)))
+                        return (elt);
+
+                elt = (bcm_tlv_t*)((uint8*)elt + (len + 2));
+                totlen -= (len + 2);
+        }
+        return NULL;
+}
+
+#if defined(WLMSG_PRHDRS) || defined(WLMSG_PRPKT) || defined(WLMSG_ASSOC) || \
+        defined(DHD_DEBUG)
+int
+bcm_format_flags(const bcm_bit_desc_t *bd, uint32 flags, char* buf, int len)
+{
+        int i;
+        char* p = buf;
+        char hexstr[16];
+        int slen = 0;
+        uint32 bit;
+        const char* name;
+
+        if (len < 2 || !buf)
+                return 0;
+
+        buf[0] = '\0';
+        len -= 1;
+
+        for (i = 0; flags != 0; i++) {
+                bit = bd[i].bit;
+                name = bd[i].name;
+                if (bit == 0 && flags) {
+                        /* print any unnamed bits */
+                        sprintf(hexstr, "0x%X", flags);
+                        name = hexstr;
+                        flags = 0;      /* exit loop */
+                } else if ((flags & bit) == 0)
+                        continue;
+                slen += strlen(name);
+                if (len < slen)
+                        break;
+                if (p != buf) p += sprintf(p, " "); /* btwn flag space */
+                strcat(p, name);
+                p += strlen(name);
+                flags &= ~bit;
+                len -= slen;
+                slen = 1;       /* account for btwn flag space */
+        }
+
+        /* indicate the str was too short */
+        if (flags != 0) {
+                if (len == 0)
+                        p--;    /* overwrite last char */
+                p += sprintf(p, ">");
+        }
+
+        return (int)(p - buf);
+}
+
+/* print bytes formatted as hex to a string. return the resulting string length */
+int
+bcm_format_hex(char *str, const void *bytes, int len)
+{
+        int i;
+        char *p = str;
+        const uint8 *src = (const uint8*)bytes;
+
+        for (i = 0; i < len; i++) {
+                p += sprintf(p, "%02X", *src);
+                src++;
+        }
+        return (int)(p - str);
+}
+
+/* pretty hex print a contiguous buffer */
+void
+prhex(const char *msg, uchar *buf, uint nbytes)
+{
+        char line[128], *p;
+        uint i;
+
+        if (msg && (msg[0] != '\0'))
+                printf("%s:\n", msg);
+
+        p = line;
+        for (i = 0; i < nbytes; i++) {
+                if (i % 16 == 0) {
+                        p += sprintf(p, "  %04d: ", i); /* line prefix */
+                }
+                p += sprintf(p, "%02x ", buf[i]);
+                if (i % 16 == 15) {
+                        printf("%s\n", line);           /* flush line */
+                        p = line;
+                }
+        }
+
+        /* flush last partial line */
+        if (p != line)
+                printf("%s\n", line);
+}
+#endif 
+
+
+/* Produce a human-readable string for boardrev */
+char *
+bcm_brev_str(uint32 brev, char *buf)
+{
+        if (brev < 0x100)
+                snprintf(buf, 8, "%d.%d", (brev & 0xf0) >> 4, brev & 0xf);
+        else
+                snprintf(buf, 8, "%c%03x", ((brev & 0xf000) == 0x1000) ? 'P' : 'A', brev & 0xfff);
+
+        return (buf);
+}
+
+#define BUFSIZE_TODUMP_ATONCE 512 /* Buffer size */
+
+/* dump large strings to console */
+void
+printbig(char *buf)
+{
+        uint len, max_len;
+        char c;
+
+        len = strlen(buf);
+
+        max_len = BUFSIZE_TODUMP_ATONCE;
+
+        while (len > max_len) {
+                c = buf[max_len];
+                buf[max_len] = '\0';
+                printf("%s", buf);
+                buf[max_len] = c;
+
+                buf += max_len;
+                len -= max_len;
+        }
+        /* print the remaining string */
+        printf("%s\n", buf);
+        return;
+}
+
+/* routine to dump fields in a fileddesc structure */
+uint
+bcmdumpfields(bcmutl_rdreg_rtn read_rtn, void *arg0, uint arg1, struct fielddesc *fielddesc_array,
+        char *buf, uint32 bufsize)
+{
+        uint  filled_len;
+        int len;
+        struct fielddesc *cur_ptr;
+
+        filled_len = 0;
+        cur_ptr = fielddesc_array;
+
+        while (bufsize > 1) {
+                if (cur_ptr->nameandfmt == NULL)
+                        break;
+                len = snprintf(buf, bufsize, cur_ptr->nameandfmt,
+                               read_rtn(arg0, arg1, cur_ptr->offset));
+                /* check for snprintf overflow or error */
+                if (len < 0 || (uint32)len >= bufsize)
+                        len = bufsize - 1;
+                buf += len;
+                bufsize -= len;
+                filled_len += len;
+                cur_ptr++;
+        }
+        return filled_len;
+}
+
+uint
+bcm_mkiovar(char *name, char *data, uint datalen, char *buf, uint buflen)
+{
+        uint len;
+
+        len = strlen(name) + 1;
+
+        if ((len + datalen) > buflen)
+                return 0;
+
+        strncpy(buf, name, buflen);
+
+        /* append data onto the end of the name string */
+        memcpy(&buf[len], data, datalen);
+        len += datalen;
+
+        return len;
+}
+
+/* Quarter dBm units to mW
+ * Table starts at QDBM_OFFSET, so the first entry is mW for qdBm=153
+ * Table is offset so the last entry is largest mW value that fits in
+ * a uint16.
+ */
+
+#define QDBM_OFFSET 153         /* Offset for first entry */
+#define QDBM_TABLE_LEN 40       /* Table size */
+
+/* Smallest mW value that will round up to the first table entry, QDBM_OFFSET.
+ * Value is ( mW(QDBM_OFFSET - 1) + mW(QDBM_OFFSET) ) / 2
+ */
+#define QDBM_TABLE_LOW_BOUND 6493 /* Low bound */
+
+/* Largest mW value that will round down to the last table entry,
+ * QDBM_OFFSET + QDBM_TABLE_LEN-1.
+ * Value is ( mW(QDBM_OFFSET + QDBM_TABLE_LEN - 1) + mW(QDBM_OFFSET + QDBM_TABLE_LEN) ) / 2.
+ */
+#define QDBM_TABLE_HIGH_BOUND 64938 /* High bound */
+
+static const uint16 nqdBm_to_mW_map[QDBM_TABLE_LEN] = {
+/* qdBm:        +0      +1      +2      +3      +4      +5      +6      +7 */
+/* 153: */      6683,   7079,   7499,   7943,   8414,   8913,   9441,   10000,
+/* 161: */      10593,  11220,  11885,  12589,  13335,  14125,  14962,  15849,
+/* 169: */      16788,  17783,  18836,  19953,  21135,  22387,  23714,  25119,
+/* 177: */      26607,  28184,  29854,  31623,  33497,  35481,  37584,  39811,
+/* 185: */      42170,  44668,  47315,  50119,  53088,  56234,  59566,  63096
+};
+
+uint16
+bcm_qdbm_to_mw(uint8 qdbm)
+{
+        uint factor = 1;
+        int idx = qdbm - QDBM_OFFSET;
+
+        if (idx >= QDBM_TABLE_LEN) {
+                /* clamp to max uint16 mW value */
+                return 0xFFFF;
+        }
+
+        /* scale the qdBm index up to the range of the table 0-40
+         * where an offset of 40 qdBm equals a factor of 10 mW.
+         */
+        while (idx < 0) {
+                idx += 40;
+                factor *= 10;
+        }
+
+        /* return the mW value scaled down to the correct factor of 10,
+         * adding in factor/2 to get proper rounding.
+         */
+        return ((nqdBm_to_mW_map[idx] + factor/2) / factor);
+}
+
+uint8
+bcm_mw_to_qdbm(uint16 mw)
+{
+        uint8 qdbm;
+        int offset;
+        uint mw_uint = mw;
+        uint boundary;
+
+        /* handle boundary case */
+        if (mw_uint <= 1)
+                return 0;
+
+        offset = QDBM_OFFSET;
+
+        /* move mw into the range of the table */
+        while (mw_uint < QDBM_TABLE_LOW_BOUND) {
+                mw_uint *= 10;
+                offset -= 40;
+        }
+
+        for (qdbm = 0; qdbm < QDBM_TABLE_LEN-1; qdbm++) {
+                boundary = nqdBm_to_mW_map[qdbm] + (nqdBm_to_mW_map[qdbm+1] -
+                                                    nqdBm_to_mW_map[qdbm])/2;
+                if (mw_uint < boundary) break;
+        }
+
+        qdbm += (uint8)offset;
+
+        return (qdbm);
+}
+
+
+uint
+bcm_bitcount(uint8 *bitmap, uint length)
+{
+        uint bitcount = 0, i;
+        uint8 tmp;
+        for (i = 0; i < length; i++) {
+                tmp = bitmap[i];
+                while (tmp) {
+                        bitcount++;
+                        tmp &= (tmp - 1);
+                }
+        }
+        return bitcount;
+}
+
+#ifdef BCMDRIVER
+
+/* Initialization of bcmstrbuf structure */
+void
+bcm_binit(struct bcmstrbuf *b, char *buf, uint size)
+{
+        b->origsize = b->size = size;
+        b->origbuf = b->buf = buf;
+}
+
+/* Buffer sprintf wrapper to guard against buffer overflow */
+int
+bcm_bprintf(struct bcmstrbuf *b, const char *fmt, ...)
+{
+        va_list ap;
+        int r;
+
+        va_start(ap, fmt);
+        r = vsnprintf(b->buf, b->size, fmt, ap);
+
+        /* Non Ansi C99 compliant returns -1,
+         * Ansi compliant return r >= b->size,
+         * bcmstdlib returns 0, handle all
+         */
+        if ((r == -1) || (r >= (int)b->size) || (r == 0)) {
+                b->size = 0;
+        } else {
+                b->size -= r;
+                b->buf += r;
+        }
+
+        va_end(ap);
+
+        return r;
+}
+
+void
+bcm_inc_bytes(uchar *num, int num_bytes, uint8 amount)
+{
+        int i;
+
+        for (i = 0; i < num_bytes; i++) {
+                num[i] += amount;
+                if (num[i] >= amount)
+                        break;
+                amount = 1;
+        }
+}
+
+int
+bcm_cmp_bytes(uchar *arg1, uchar *arg2, uint8 nbytes)
+{
+        int i;
+
+        for (i = nbytes - 1; i >= 0; i--) {
+                if (arg1[i] != arg2[i])
+                        return (arg1[i] - arg2[i]);
+        }
+        return 0;
+}
+
+void
+bcm_print_bytes(char *name, const uchar *data, int len)
+{
+        int i;
+        int per_line = 0;
+
+        printf("%s: %d \n", name ? name : "", len);
+        for (i = 0; i < len; i++) {
+                printf("%02x ", *data++);
+                per_line++;
+                if (per_line == 16) {
+                        per_line = 0;
+                        printf("\n");
+                }
+        }
+        printf("\n");
+}
+
+/*
+ * buffer length needed for wlc_format_ssid
+ * 32 SSID chars, max of 4 chars for each SSID char "\xFF", plus NULL.
+ */
+
+#if defined(WLTINYDUMP) || defined(WLMSG_INFORM) || defined(WLMSG_ASSOC) || \
+        defined(WLMSG_PRPKT) || defined(WLMSG_WSEC)
+int
+bcm_format_ssid(char* buf, const uchar ssid[], uint ssid_len)
+{
+        uint i, c;
+        char *p = buf;
+        char *endp = buf + SSID_FMT_BUF_LEN;
+
+        if (ssid_len > DOT11_MAX_SSID_LEN) ssid_len = DOT11_MAX_SSID_LEN;
+
+        for (i = 0; i < ssid_len; i++) {
+                c = (uint)ssid[i];
+                if (c == '\\') {
+                        *p++ = '\\';
+                        *p++ = '\\';
+                } else if (bcm_isprint((uchar)c)) {
+                        *p++ = (char)c;
+                } else {
+                        p += snprintf(p, (endp - p), "\\x%02X", c);
+                }
+        }
+        *p = '\0';
+        ASSERT(p < endp);
+
+        return (int)(p - buf);
+}
+#endif 
+
+#endif /* BCMDRIVER */