From 03dd4cb26d967f9588437b0fc9cc0e8353322bb7 Mon Sep 17 00:00:00 2001 From: André Fabian Silva Delgado Date: Fri, 25 Mar 2016 03:53:42 -0300 Subject: Linux-libre 4.5-gnu --- drivers/net/wireless/brcm80211/brcmutil/utils.c | 339 ------------------------ 1 file changed, 339 deletions(-) delete mode 100644 drivers/net/wireless/brcm80211/brcmutil/utils.c (limited to 'drivers/net/wireless/brcm80211/brcmutil/utils.c') diff --git a/drivers/net/wireless/brcm80211/brcmutil/utils.c b/drivers/net/wireless/brcm80211/brcmutil/utils.c deleted file mode 100644 index 054360700..000000000 --- a/drivers/net/wireless/brcm80211/brcmutil/utils.c +++ /dev/null @@ -1,339 +0,0 @@ -/* - * Copyright (c) 2010 Broadcom Corporation - * - * Permission to use, copy, modify, and/or distribute this software for any - * purpose with or without fee is hereby granted, provided that the above - * copyright notice and this permission notice appear in all copies. - * - * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES - * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY - * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES - * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION - * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN - * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - */ - -#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt - -#include -#include - -#include - -MODULE_AUTHOR("Broadcom Corporation"); -MODULE_DESCRIPTION("Broadcom 802.11n wireless LAN driver utilities."); -MODULE_SUPPORTED_DEVICE("Broadcom 802.11n WLAN cards"); -MODULE_LICENSE("Dual BSD/GPL"); - -struct sk_buff *brcmu_pkt_buf_get_skb(uint len) -{ - struct sk_buff *skb; - - skb = dev_alloc_skb(len); - if (skb) { - skb_put(skb, len); - skb->priority = 0; - } - - return skb; -} -EXPORT_SYMBOL(brcmu_pkt_buf_get_skb); - -/* Free the driver packet. Free the tag if present */ -void brcmu_pkt_buf_free_skb(struct sk_buff *skb) -{ - if (!skb) - return; - - WARN_ON(skb->next); - dev_kfree_skb_any(skb); -} -EXPORT_SYMBOL(brcmu_pkt_buf_free_skb); - -/* - * osl multiple-precedence packet queue - * hi_prec is always >= the number of the highest non-empty precedence - */ -struct sk_buff *brcmu_pktq_penq(struct pktq *pq, int prec, - struct sk_buff *p) -{ - struct sk_buff_head *q; - - if (pktq_full(pq) || pktq_pfull(pq, prec)) - return NULL; - - q = &pq->q[prec].skblist; - skb_queue_tail(q, p); - pq->len++; - - if (pq->hi_prec < prec) - pq->hi_prec = (u8) prec; - - return p; -} -EXPORT_SYMBOL(brcmu_pktq_penq); - -struct sk_buff *brcmu_pktq_penq_head(struct pktq *pq, int prec, - struct sk_buff *p) -{ - struct sk_buff_head *q; - - if (pktq_full(pq) || pktq_pfull(pq, prec)) - return NULL; - - q = &pq->q[prec].skblist; - skb_queue_head(q, p); - pq->len++; - - if (pq->hi_prec < prec) - pq->hi_prec = (u8) prec; - - return p; -} -EXPORT_SYMBOL(brcmu_pktq_penq_head); - -struct sk_buff *brcmu_pktq_pdeq(struct pktq *pq, int prec) -{ - struct sk_buff_head *q; - struct sk_buff *p; - - q = &pq->q[prec].skblist; - p = skb_dequeue(q); - if (p == NULL) - return NULL; - - pq->len--; - return p; -} -EXPORT_SYMBOL(brcmu_pktq_pdeq); - -/* - * precedence based dequeue with match function. Passing a NULL pointer - * for the match function parameter is considered to be a wildcard so - * any packet on the queue is returned. In that case it is no different - * from brcmu_pktq_pdeq() above. - */ -struct sk_buff *brcmu_pktq_pdeq_match(struct pktq *pq, int prec, - bool (*match_fn)(struct sk_buff *skb, - void *arg), void *arg) -{ - struct sk_buff_head *q; - struct sk_buff *p, *next; - - q = &pq->q[prec].skblist; - skb_queue_walk_safe(q, p, next) { - if (match_fn == NULL || match_fn(p, arg)) { - skb_unlink(p, q); - pq->len--; - return p; - } - } - return NULL; -} -EXPORT_SYMBOL(brcmu_pktq_pdeq_match); - -struct sk_buff *brcmu_pktq_pdeq_tail(struct pktq *pq, int prec) -{ - struct sk_buff_head *q; - struct sk_buff *p; - - q = &pq->q[prec].skblist; - p = skb_dequeue_tail(q); - if (p == NULL) - return NULL; - - pq->len--; - return p; -} -EXPORT_SYMBOL(brcmu_pktq_pdeq_tail); - -void -brcmu_pktq_pflush(struct pktq *pq, int prec, bool dir, - bool (*fn)(struct sk_buff *, void *), void *arg) -{ - struct sk_buff_head *q; - struct sk_buff *p, *next; - - q = &pq->q[prec].skblist; - skb_queue_walk_safe(q, p, next) { - if (fn == NULL || (*fn) (p, arg)) { - skb_unlink(p, q); - brcmu_pkt_buf_free_skb(p); - pq->len--; - } - } -} -EXPORT_SYMBOL(brcmu_pktq_pflush); - -void brcmu_pktq_flush(struct pktq *pq, bool dir, - bool (*fn)(struct sk_buff *, void *), void *arg) -{ - int prec; - for (prec = 0; prec < pq->num_prec; prec++) - brcmu_pktq_pflush(pq, prec, dir, fn, arg); -} -EXPORT_SYMBOL(brcmu_pktq_flush); - -void brcmu_pktq_init(struct pktq *pq, int num_prec, int max_len) -{ - int prec; - - /* pq is variable size; only zero out what's requested */ - memset(pq, 0, - offsetof(struct pktq, q) + (sizeof(struct pktq_prec) * num_prec)); - - pq->num_prec = (u16) num_prec; - - pq->max = (u16) max_len; - - for (prec = 0; prec < num_prec; prec++) { - pq->q[prec].max = pq->max; - skb_queue_head_init(&pq->q[prec].skblist); - } -} -EXPORT_SYMBOL(brcmu_pktq_init); - -struct sk_buff *brcmu_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 (!skb_queue_empty(&pq->q[prec].skblist)) - break; - - if (prec_out) - *prec_out = prec; - - return skb_peek_tail(&pq->q[prec].skblist); -} -EXPORT_SYMBOL(brcmu_pktq_peek_tail); - -/* Return sum of lengths of a specific set of precedences */ -int brcmu_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].skblist.qlen; - - return len; -} -EXPORT_SYMBOL(brcmu_pktq_mlen); - -/* Priority dequeue from a specific set of precedences */ -struct sk_buff *brcmu_pktq_mdeq(struct pktq *pq, uint prec_bmp, - int *prec_out) -{ - struct sk_buff_head *q; - struct sk_buff *p; - int prec; - - if (pq->len == 0) - return NULL; - - while ((prec = pq->hi_prec) > 0 && - skb_queue_empty(&pq->q[prec].skblist)) - pq->hi_prec--; - - while ((prec_bmp & (1 << prec)) == 0 || - skb_queue_empty(&pq->q[prec].skblist)) - if (prec-- == 0) - return NULL; - - q = &pq->q[prec].skblist; - p = skb_dequeue(q); - if (p == NULL) - return NULL; - - pq->len--; - - if (prec_out) - *prec_out = prec; - - return p; -} -EXPORT_SYMBOL(brcmu_pktq_mdeq); - -/* Produce a human-readable string for boardrev */ -char *brcmu_boardrev_str(u32 brev, char *buf) -{ - char c; - - if (brev < 0x100) { - snprintf(buf, BRCMU_BOARDREV_LEN, "%d.%d", - (brev & 0xf0) >> 4, brev & 0xf); - } else { - c = (brev & 0xf000) == 0x1000 ? 'P' : 'A'; - snprintf(buf, BRCMU_BOARDREV_LEN, "%c%03x", c, brev & 0xfff); - } - return buf; -} -EXPORT_SYMBOL(brcmu_boardrev_str); - -char *brcmu_dotrev_str(u32 dotrev, char *buf) -{ - u8 dotval[4]; - - if (!dotrev) { - snprintf(buf, BRCMU_DOTREV_LEN, "unknown"); - return buf; - } - dotval[0] = (dotrev >> 24) & 0xFF; - dotval[1] = (dotrev >> 16) & 0xFF; - dotval[2] = (dotrev >> 8) & 0xFF; - dotval[3] = dotrev & 0xFF; - - if (dotval[3]) - snprintf(buf, BRCMU_DOTREV_LEN, "%d.%d.%d.%d", dotval[0], - dotval[1], dotval[2], dotval[3]); - else if (dotval[2]) - snprintf(buf, BRCMU_DOTREV_LEN, "%d.%d.%d", dotval[0], - dotval[1], dotval[2]); - else - snprintf(buf, BRCMU_DOTREV_LEN, "%d.%d", dotval[0], - dotval[1]); - - return buf; -} -EXPORT_SYMBOL(brcmu_dotrev_str); - -#if defined(DEBUG) -/* pretty hex print a pkt buffer chain */ -void brcmu_prpkt(const char *msg, struct sk_buff *p0) -{ - struct sk_buff *p; - - if (msg && (msg[0] != '\0')) - pr_debug("%s:\n", msg); - - for (p = p0; p; p = p->next) - print_hex_dump_bytes("", DUMP_PREFIX_OFFSET, p->data, p->len); -} -EXPORT_SYMBOL(brcmu_prpkt); - -void brcmu_dbg_hex_dump(const void *data, size_t size, const char *fmt, ...) -{ - struct va_format vaf; - va_list args; - - va_start(args, fmt); - - vaf.fmt = fmt; - vaf.va = &args; - - pr_debug("%pV", &vaf); - - va_end(args); - - print_hex_dump_bytes("", DUMP_PREFIX_OFFSET, data, size); -} -EXPORT_SYMBOL(brcmu_dbg_hex_dump); - -#endif /* defined(DEBUG) */ -- cgit v1.2.3-54-g00ecf