+++ /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.h,v 1.1.1.13 2006/04/08 06:13:39 honor Exp $
- */
-
-#ifndef _linux_osl_h_
-#define _linux_osl_h_
-
-#include <typedefs.h>
-#include <linuxver.h>
-#include <osl.h>
-
-#define OSL_PKTTAG_SZ 32 /* Size of PktTag */
-
-/* osl handle type forward declaration */
-typedef struct osl_dmainfo osldma_t;
-
-/* OSL initialization */
-extern osl_t *osl_attach(void *pdev, bool pkttag);
-extern void osl_detach(osl_t *osh);
-
-/* host/bus architecture-specific byte swap */
-#define BUS_SWAP32(v) (v)
-#define MALLOC_FAILED(osh) osl_malloc_failed((osh))
-
-extern void *osl_malloc(osl_t *osh, uint size);
-extern void osl_mfree(osl_t *osh, void *addr, uint size);
-extern uint osl_malloced(osl_t *osh);
-extern uint osl_malloc_failed(osl_t *osh);
-
-/* API for DMA addressing capability */
-#define DMA_MAP(osh, va, size, direction, p) \
- osl_dma_map((osh), (va), (size), (direction))
-#define DMA_UNMAP(osh, pa, size, direction, p) \
- osl_dma_unmap((osh), (pa), (size), (direction))
-static inline uint
-osl_dma_map(void *osh, void *va, uint size, int direction)
-{
- int dir;
- struct pci_dev *dev;
-
- dev = (osh == NULL ? NULL : ((osl_t *)osh)->pdev);
- dir = (direction == DMA_TX)? PCI_DMA_TODEVICE: PCI_DMA_FROMDEVICE;
- return (pci_map_single(dev, va, size, dir));
-}
-
-static inline void
-osl_dma_unmap(void *osh, uint pa, uint size, int direction)
-{
- int dir;
- struct pci_dev *dev;
-
- dev = (osh == NULL ? NULL : ((osl_t *)osh)->pdev);
- dir = (direction == DMA_TX)? PCI_DMA_TODEVICE: PCI_DMA_FROMDEVICE;
- pci_unmap_single(dev, (uint32)pa, size, dir);
-}
-
-#define OSL_DMADDRWIDTH(osh, addrwidth) do {} while (0)
-#define DMA_CONSISTENT_ALIGN PAGE_SIZE
-#define DMA_ALLOC_CONSISTENT(osh, size, pap, dmah) \
- osl_dma_alloc_consistent((osh), (size), (pap))
-#define DMA_FREE_CONSISTENT(osh, va, size, pa, dmah) \
- osl_dma_free_consistent((osh), (void*)(va), (size), (pa))
-static inline void*
-osl_dma_alloc_consistent(osl_t *osh, uint size, ulong *pap)
-{
- return (pci_alloc_consistent(osh->pdev, size, (dma_addr_t*)pap));
-}
-
-static inline void
-osl_dma_free_consistent(osl_t *osh, void *va, uint size, ulong pa)
-{
- pci_free_consistent(osh->pdev, size, va, (dma_addr_t)pa);
-}
-
-
-/* register access macros */
-#if defined(BCMJTAG)
-#include <bcmjtag.h>
-#define R_REG(osh, r) bcmjtag_read(NULL, (uint32)(r), sizeof(*(r)))
-#define W_REG(osh, r, v) bcmjtag_write(NULL, (uint32)(r), (uint32)(v), sizeof(*(r)))
-#endif /* defined(BCMSDIO) */
-
-/* packet primitives */
-#define PKTGET(osh, len, send) osl_pktget((osh), (len), (send))
-#define PKTFREE(osh, skb, send) osl_pktfree((osh), (skb), (send))
-#define PKTDATA(osh, skb) (((struct sk_buff*)(skb))->data)
-#define PKTLEN(osh, skb) (((struct sk_buff*)(skb))->len)
-#define PKTHEADROOM(osh, skb) (PKTDATA(osh, skb)-(((struct sk_buff*)(skb))->head))
-#define PKTTAILROOM(osh, skb) ((((struct sk_buff*)(skb))->end)-(((struct sk_buff*)(skb))->tail))
-#define PKTNEXT(osh, skb) (((struct sk_buff*)(skb))->next)
-#define PKTSETNEXT(osh, skb, x) (((struct sk_buff*)(skb))->next = (struct sk_buff*)(x))
-#define PKTSETLEN(osh, skb, len) __skb_trim((struct sk_buff*)(skb), (len))
-#define PKTPUSH(osh, skb, bytes) skb_push((struct sk_buff*)(skb), (bytes))
-#define PKTPULL(osh, skb, bytes) skb_pull((struct sk_buff*)(skb), (bytes))
-#define PKTDUP(osh, skb) osl_pktdup((osh), (skb))
-#define PKTTAG(skb) ((void*)(((struct sk_buff*)(skb))->cb))
-#define PKTALLOCED(osh) osl_pktalloced((osh))
-#define PKTLIST_DUMP(osh, buf)
-
-/* Convert a native(OS) packet to driver packet.
- * In the process, native packet is destroyed, there is no copying
- * Also, a packettag is zeroed out
- */
-static INLINE void *
-osl_pkt_frmnative(osl_pubinfo_t*osh, struct sk_buff *skb)
-{
- struct sk_buff *nskb;
-
- if (osh->pkttag)
- bzero((void*)skb->cb, OSL_PKTTAG_SZ);
-
- /* Increment the packet counter */
- for (nskb = skb; nskb; nskb = nskb->next) {
- osh->pktalloced++;
- }
-
- return (void *)skb;
-}
-#define PKTFRMNATIVE(osh, skb) osl_pkt_frmnative(((osl_pubinfo_t*)osh), \
- (struct sk_buff*)(skb))
-
-/* Convert a driver packet to native(OS) packet
- * In the process, packettag is zeroed out before sending up
- * IP code depends on skb->cb to be setup correctly with various options
- * In our case, that means it should be 0
- */
-static INLINE struct sk_buff *
-osl_pkt_tonative(osl_pubinfo_t*osh, void *pkt)
-{
- struct sk_buff *nskb;
-
- if (osh->pkttag)
- bzero(((struct sk_buff*)pkt)->cb, OSL_PKTTAG_SZ);
-
- /* Decrement the packet counter */
- for (nskb = (struct sk_buff *)pkt; nskb; nskb = nskb->next) {
- osh->pktalloced--;
- }
-
- return (struct sk_buff *)pkt;
-}
-#define PKTTONATIVE(osh, pkt) osl_pkt_tonative((osl_pubinfo_t*)(osh), (pkt))
-
-#define PKTLINK(skb) (((struct sk_buff*)(skb))->prev)
-#define PKTSETLINK(skb, x) (((struct sk_buff*)(skb))->prev = (struct sk_buff*)(x))
-#define PKTPRIO(skb) (((struct sk_buff*)(skb))->priority)
-#define PKTSETPRIO(skb, x) (((struct sk_buff*)(skb))->priority = (x))
-#define PKTSHARED(skb) (((struct sk_buff*)(skb))->cloned)
-
-extern void *osl_pktget(osl_t *osh, uint len, bool send);
-extern void osl_pktfree(osl_t *osh, void *skb, bool send);
-extern void *osl_pktdup(osl_t *osh, void *skb);
-extern uint osl_pktalloced(osl_t *osh);
-
-#define OSL_ERROR(bcmerror) osl_error(bcmerror)
-extern int osl_error(int bcmerror);
-
-/* the largest reasonable packet buffer driver uses for ethernet MTU in bytes */
-#define PKTBUFSZ 2048 /* largest reasonable packet buffer, driver uses for ethernet MTU */
-
-#endif /* _linux_osl_h_ */
projects / openwrt.git / blobdiff