mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2025-04-21 12:27:27 +03:00
move wlcompat to the broadcom-wl package
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@9528 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
nbd
274
package/broadcom-wl/src/driver/linux_osl.c
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274
package/broadcom-wl/src/driver/linux_osl.c
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/*
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* Linux OS Independent Layer
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*
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* Copyright 2006, Broadcom Corporation
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* All Rights Reserved.
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*
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* THIS SOFTWARE IS OFFERED "AS IS", AND BROADCOM GRANTS NO WARRANTIES OF ANY
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* KIND, EXPRESS OR IMPLIED, BY STATUTE, COMMUNICATION OR OTHERWISE. BROADCOM
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* SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS
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* FOR A SPECIFIC PURPOSE OR NONINFRINGEMENT CONCERNING THIS SOFTWARE.
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*
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* $Id: linux_osl.c,v 1.1.1.14 2006/04/08 06:13:39 honor Exp $
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*/
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#define LINUX_OSL
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#include <typedefs.h>
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#include <bcmendian.h>
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#include <linux/module.h>
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#include <linuxver.h>
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#include <bcmdefs.h>
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#include <osl.h>
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#include "linux_osl.h"
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#include <bcmutils.h>
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#include <linux/delay.h>
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#ifdef mips
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#include <asm/paccess.h>
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#endif /* mips */
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#include <pcicfg.h>
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#define PCI_CFG_RETRY 10
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#define OS_HANDLE_MAGIC 0x1234abcd /* Magic # to recognise osh */
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#define BCM_MEM_FILENAME_LEN 24 /* Mem. filename length */
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typedef struct bcm_mem_link {
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struct bcm_mem_link *prev;
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struct bcm_mem_link *next;
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uint size;
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int line;
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char file[BCM_MEM_FILENAME_LEN];
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} bcm_mem_link_t;
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static int16 linuxbcmerrormap[] = \
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{ 0, /* 0 */
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-EINVAL, /* BCME_ERROR */
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-EINVAL, /* BCME_BADARG */
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-EINVAL, /* BCME_BADOPTION */
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-EINVAL, /* BCME_NOTUP */
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-EINVAL, /* BCME_NOTDOWN */
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-EINVAL, /* BCME_NOTAP */
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-EINVAL, /* BCME_NOTSTA */
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-EINVAL, /* BCME_BADKEYIDX */
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-EINVAL, /* BCME_RADIOOFF */
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-EINVAL, /* BCME_NOTBANDLOCKED */
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-EINVAL, /* BCME_NOCLK */
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-EINVAL, /* BCME_BADRATESET */
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-EINVAL, /* BCME_BADBAND */
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-E2BIG, /* BCME_BUFTOOSHORT */
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-E2BIG, /* BCME_BUFTOOLONG */
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-EBUSY, /* BCME_BUSY */
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-EINVAL, /* BCME_NOTASSOCIATED */
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-EINVAL, /* BCME_BADSSIDLEN */
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-EINVAL, /* BCME_OUTOFRANGECHAN */
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-EINVAL, /* BCME_BADCHAN */
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-EFAULT, /* BCME_BADADDR */
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-ENOMEM, /* BCME_NORESOURCE */
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-EOPNOTSUPP, /* BCME_UNSUPPORTED */
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-EMSGSIZE, /* BCME_BADLENGTH */
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-EINVAL, /* BCME_NOTREADY */
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-EPERM, /* BCME_NOTPERMITTED */
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-ENOMEM, /* BCME_NOMEM */
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-EINVAL, /* BCME_ASSOCIATED */
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-ERANGE, /* BCME_RANGE */
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-EINVAL, /* BCME_NOTFOUND */
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-EINVAL, /* BCME_WME_NOT_ENABLED */
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-EINVAL, /* BCME_TSPEC_NOTFOUND */
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-EINVAL, /* BCME_ACM_NOTSUPPORTED */
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-EINVAL, /* BCME_NOT_WME_ASSOCIATION */
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-EIO, /* BCME_SDIO_ERROR */
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-ENODEV /* BCME_DONGLE_DOWN */
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};
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/* translate bcmerrors into linux errors */
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int
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osl_error(int bcmerror)
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{
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int abs_bcmerror;
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int array_size = ARRAYSIZE(linuxbcmerrormap);
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abs_bcmerror = ABS(bcmerror);
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if (bcmerror > 0)
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abs_bcmerror = 0;
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else if (abs_bcmerror >= array_size)
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abs_bcmerror = BCME_ERROR;
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return linuxbcmerrormap[abs_bcmerror];
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}
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osl_t *
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osl_attach(void *pdev, bool pkttag)
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{
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osl_t *osh;
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osh = kmalloc(sizeof(osl_t), GFP_ATOMIC);
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ASSERT(osh);
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bzero(osh, sizeof(osl_t));
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/*
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* check the cases where
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* 1.Error code Added to bcmerror table, but forgot to add it to the OS
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* dependent error code
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* 2. Error code is added to the bcmerror table, but forgot to add the
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* corresponding errorstring(dummy call to bcmerrorstr)
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*/
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bcmerrorstr(0);
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ASSERT(ABS(BCME_LAST) == (ARRAYSIZE(linuxbcmerrormap) - 1));
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osh->magic = OS_HANDLE_MAGIC;
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osh->malloced = 0;
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osh->failed = 0;
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osh->dbgmem_list = NULL;
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osh->pdev = pdev;
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osh->pub.pkttag = pkttag;
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return osh;
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}
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void
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osl_detach(osl_t *osh)
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{
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if (osh == NULL)
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return;
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ASSERT(osh->magic == OS_HANDLE_MAGIC);
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kfree(osh);
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}
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/* Return a new packet. zero out pkttag */
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void*
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osl_pktget(osl_t *osh, uint len, bool send)
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{
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struct sk_buff *skb;
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if ((skb = dev_alloc_skb(len))) {
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skb_put(skb, len);
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skb->priority = 0;
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#ifdef BCMDBG_PKT
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pktlist_add(&(osh->pktlist), (void *) skb);
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#endif /* BCMDBG_PKT */
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osh->pub.pktalloced++;
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}
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return ((void*) skb);
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}
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typedef void (*pktfree_cb_fn_t)(void *ctx, void *pkt, uint16 status);
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/* Free the driver packet. Free the tag if present */
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void
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osl_pktfree(osl_t *osh, void *p, bool send)
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{
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struct sk_buff *skb, *nskb;
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pktfree_cb_fn_t tx_fn = osh->pub.tx_fn;
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skb = (struct sk_buff*) p;
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if (send && tx_fn)
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tx_fn(osh->pub.tx_ctx, p, 0);
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/* perversion: we use skb->next to chain multi-skb packets */
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while (skb) {
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nskb = skb->next;
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skb->next = NULL;
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#ifdef BCMDBG_PKT
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pktlist_remove(&(osh->pktlist), (void *) skb);
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#endif /* BCMDBG_PKT */
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if (skb->destructor) {
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/* cannot kfree_skb() on hard IRQ (net/core/skbuff.c) if destructor exists
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*/
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dev_kfree_skb_any(skb);
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} else {
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/* can free immediately (even in_irq()) if destructor does not exist */
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dev_kfree_skb(skb);
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}
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osh->pub.pktalloced--;
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skb = nskb;
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}
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}
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void*
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osl_malloc(osl_t *osh, uint size)
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{
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void *addr;
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/* only ASSERT if osh is defined */
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if (osh)
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ASSERT(osh->magic == OS_HANDLE_MAGIC);
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if ((addr = kmalloc(size, GFP_ATOMIC)) == NULL) {
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if (osh)
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osh->failed++;
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return (NULL);
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}
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if (osh)
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osh->malloced += size;
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return (addr);
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}
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void
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osl_mfree(osl_t *osh, void *addr, uint size)
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{
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if (osh) {
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ASSERT(osh->magic == OS_HANDLE_MAGIC);
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osh->malloced -= size;
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}
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kfree(addr);
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}
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uint
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osl_malloced(osl_t *osh)
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{
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ASSERT((osh && (osh->magic == OS_HANDLE_MAGIC)));
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return (osh->malloced);
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}
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uint osl_malloc_failed(osl_t *osh)
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{
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ASSERT((osh && (osh->magic == OS_HANDLE_MAGIC)));
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return (osh->failed);
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}
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#undef osl_delay
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void
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osl_delay(uint usec)
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{
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OSL_DELAY(usec);
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}
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/* Clone a packet.
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* The pkttag contents are NOT cloned.
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*/
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void *
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osl_pktdup(osl_t *osh, void *skb)
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{
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void * p;
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if ((p = skb_clone((struct sk_buff*)skb, GFP_ATOMIC)) == NULL)
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return NULL;
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/* skb_clone copies skb->cb.. we don't want that */
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if (osh->pub.pkttag)
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bzero((void*)((struct sk_buff *)p)->cb, OSL_PKTTAG_SZ);
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/* Increment the packet counter */
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osh->pub.pktalloced++;
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return (p);
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}
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uint
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osl_pktalloced(osl_t *osh)
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{
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return (osh->pub.pktalloced);
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}
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