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-rw-r--r--package/broadcom-wl/src/kmod/linux_osl.h171
1 files changed, 171 insertions, 0 deletions
diff --git a/package/broadcom-wl/src/kmod/linux_osl.h b/package/broadcom-wl/src/kmod/linux_osl.h
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+++ b/package/broadcom-wl/src/kmod/linux_osl.h
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+/*
+ * 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))
+#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(struct osl_pubinfo *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(((struct osl_pubinfo *)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(struct osl_pubinfo *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((struct osl_pubinfo *)(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);
+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_ */