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