+++ /dev/null
-/*
- * Linux OS Independent Layer
- *
- * Copyright 2007, 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.
- *
- */
-
-#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 */
-
-/* microsecond delay */
-extern void osl_delay(uint usec);
-
-/* OSL initialization */
-extern osl_t *osl_attach(void *pdev, uint bustype, bool pkttag);
-extern void osl_detach(osl_t *osh);
-
-#define PKTFREESETCB(osh, _tx_fn, _tx_ctx) \
- do { \
- ((osl_pubinfo_t*)osh)->tx_fn = _tx_fn; \
- ((osl_pubinfo_t*)osh)->tx_ctx = _tx_ctx; \
- } while (0)
-
-/* 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);
-
-/* allocate/free shared (dma-able) consistent memory */
-#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))
-extern void *osl_dma_alloc_consistent(osl_t *osh, uint size, ulong *pap);
-extern void osl_dma_free_consistent(osl_t *osh, void *va, uint size, ulong pa);
-
-/* map/unmap direction */
-#define DMA_TX 1 /* TX direction for DMA */
-#define DMA_RX 2 /* RX direction for DMA */
-
-/* map/unmap shared (dma-able) memory */
-#define DMA_MAP(osh, va, size, direction, p, dmah) \
- osl_dma_map((osh), (va), (size), (direction))
-#define DMA_UNMAP(osh, pa, size, direction, p, dmah) \
- osl_dma_unmap((osh), (pa), (size), (direction))
-extern uint osl_dma_map(osl_t *osh, void *va, uint size, int direction);
-extern void osl_dma_unmap(osl_t *osh, uint pa, uint size, int direction);
-
-/* API for DMA addressing capability */
-#define OSL_DMADDRWIDTH(osh, addrwidth) do {} while (0)
-
-/* register access macros */
-#if defined(BCMJTAG)
-#include <bcmjtag.h>
-#define OSL_WRITE_REG(osh, r, v) (bcmjtag_write(NULL, (uintptr)(r), (v), sizeof(*(r))))
-#define OSL_READ_REG(osh, r) (bcmjtag_read(NULL, (uintptr)(r), sizeof(*(r))))
-#endif
-
-#if defined(BCMJTAG)
-#define SELECT_BUS_WRITE(osh, mmap_op, bus_op) if (((osl_pubinfo_t*)(osh))->mmbus) \
- mmap_op else bus_op
-#define SELECT_BUS_READ(osh, mmap_op, bus_op) (((osl_pubinfo_t*)(osh))->mmbus) ? \
- mmap_op : bus_op
-#else
-#define SELECT_BUS_WRITE(osh, mmap_op, bus_op) mmap_op
-#define SELECT_BUS_READ(osh, mmap_op, bus_op) mmap_op
-#endif
-
-/*
- * BINOSL selects the slightly slower function-call-based binary compatible osl.
- * Macros expand to calls to functions defined in linux_osl.c .
- */
-#ifndef BINOSL
-
-/* string library, kernel mode */
-#ifndef printf
-#define printf(fmt, args...) printk(fmt, ## args)
-#endif /* printf */
-#include <linux/kernel.h>
-#include <linux/string.h>
-
-/* register access macros */
-#define AND_REG(osh, r, v) W_REG(osh, (r), R_REG(osh, r) & (v))
-#define OR_REG(osh, r, v) W_REG(osh, (r), R_REG(osh, r) | (v))
-
-/* bcopy, bcmp, and bzero */
-#define bcopy(src, dst, len) memcpy((dst), (src), (len))
-#define bcmp(b1, b2, len) memcmp((b1), (b2), (len))
-#define bzero(b, len) memset((b), '\0', (len))
-
-/* uncached virtual address */
-#ifdef mips
-#define OSL_UNCACHED(va) KSEG1ADDR((va))
-#include <asm/addrspace.h>
-#else
-#define OSL_UNCACHED(va) (va)
-#endif /* mips */
-
-/* get processor cycle count */
-#if defined(mips)
-#define OSL_GETCYCLES(x) ((x) = read_c0_count() * 2)
-#elif defined(__i386__)
-#define OSL_GETCYCLES(x) rdtscl((x))
-#else
-#define OSL_GETCYCLES(x) ((x) = 0)
-#endif /* defined(mips) */
-
-/* dereference an address that may cause a bus exception */
-#ifdef mips
-#if defined(MODULE) && (LINUX_VERSION_CODE < KERNEL_VERSION(2, 4, 17))
-#define BUSPROBE(val, addr) panic("get_dbe() will not fixup a bus exception when compiled into"\
- " a module")
-#else
-#define BUSPROBE(val, addr) get_dbe((val), (addr))
-#include <asm/paccess.h>
-#endif /* defined(MODULE) && (LINUX_VERSION_CODE < KERNEL_VERSION(2, 4, 17)) */
-#else
-#define BUSPROBE(val, addr) ({ (val) = R_REG(NULL, (addr)); 0; })
-#endif /* mips */
-
-/* map/unmap physical to virtual I/O */
-#define REG_MAP(pa, size) ioremap_nocache((unsigned long)(pa), (unsigned long)(size))
-#define REG_UNMAP(va) iounmap((void *)(va))
-
-/* shared (dma-able) memory access macros */
-#define R_SM(r) *(r)
-#define W_SM(r, v) (*(r) = (v))
-#define BZERO_SM(r, len) memset((r), '\0', (len))
-
-/* packet primitives */
-#define PKTGET(osh, len, send) osl_pktget((osh), (len))
-#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_pubinfo_t *)(osh))->pktalloced
-#ifdef BCMDBG_PKT /* pkt logging for debugging */
-#define PKTLIST_DUMP(osh, buf) osl_pktlist_dump(osh, buf)
-#else /* BCMDBG_PKT */
-#define PKTLIST_DUMP(osh, buf)
-#endif /* BCMDBG_PKT */
-
-#ifdef BCMDBG_PKT /* pkt logging for debugging */
-extern void osl_pktlist_add(osl_t *osh, void *p);
-extern void osl_pktlist_remove(osl_t *osh, void *p);
-extern char *osl_pktlist_dump(osl_t *osh, char *buf);
-#endif /* BCMDBG_PKT */
-
-/* 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) {
-#ifdef BCMDBG_PKT
- osl_pktlist_add((osl_t *)osh, (void *) nskb);
-#endif /* BCMDBG_PKT */
- 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) {
-#ifdef BCMDBG_PKT
- osl_pktlist_remove((osl_t *)osh, (void *) nskb);
-#endif /* BCMDBG_PKT */
- 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 PKTSUMNEEDED(skb) (((struct sk_buff*)(skb))->ip_summed == CHECKSUM_HW)
-#define PKTSETSUMGOOD(skb, x) (((struct sk_buff*)(skb))->ip_summed = \
- ((x) ? CHECKSUM_UNNECESSARY : CHECKSUM_NONE))
-/* PKTSETSUMNEEDED and PKTSUMGOOD are not possible because skb->ip_summed is overloaded */
-#define PKTSHARED(skb) (((struct sk_buff*)(skb))->cloned)
-
-extern void *osl_pktget(osl_t *osh, uint len);
-extern void osl_pktfree(osl_t *osh, void *skb, bool send);
-extern void *osl_pktdup(osl_t *osh, void *skb);
-#else /* BINOSL */
-
-/* string library */
-#ifndef LINUX_OSL
-#undef printf
-#define printf(fmt, args...) osl_printf((fmt), ## args)
-#undef sprintf
-#define sprintf(buf, fmt, args...) osl_sprintf((buf), (fmt), ## args)
-#undef strcmp
-#define strcmp(s1, s2) osl_strcmp((s1), (s2))
-#undef strncmp
-#define strncmp(s1, s2, n) osl_strncmp((s1), (s2), (n))
-#undef strlen
-#define strlen(s) osl_strlen((s))
-#undef strcpy
-#define strcpy(d, s) osl_strcpy((d), (s))
-#undef strncpy
-#define strncpy(d, s, n) osl_strncpy((d), (s), (n))
-#endif /* LINUX_OSL */
-extern int osl_printf(const char *format, ...);
-extern int osl_sprintf(char *buf, const char *format, ...);
-extern int osl_strcmp(const char *s1, const char *s2);
-extern int osl_strncmp(const char *s1, const char *s2, uint n);
-extern int osl_strlen(const char *s);
-extern char* osl_strcpy(char *d, const char *s);
-extern char* osl_strncpy(char *d, const char *s, uint n);
-
-/* register access macros */
-#if !defined(BCMJTAG)
-#define R_REG(osh, r) (\
- sizeof(*(r)) == sizeof(uint8) ? osl_readb((volatile uint8*)(r)) : \
- sizeof(*(r)) == sizeof(uint16) ? osl_readw((volatile uint16*)(r)) : \
- osl_readl((volatile uint32*)(r)) \
-)
-#define W_REG(osh, r, v) do { \
- switch (sizeof(*(r))) { \
- case sizeof(uint8): osl_writeb((uint8)(v), (volatile uint8*)(r)); break; \
- case sizeof(uint16): osl_writew((uint16)(v), (volatile uint16*)(r)); break; \
- case sizeof(uint32): osl_writel((uint32)(v), (volatile uint32*)(r)); break; \
- } \
-} while (0)
-#endif
-
-#define AND_REG(osh, r, v) W_REG(osh, (r), R_REG(osh, r) & (v))
-#define OR_REG(osh, r, v) W_REG(osh, (r), R_REG(osh, r) | (v))
-extern uint8 osl_readb(volatile uint8 *r);
-extern uint16 osl_readw(volatile uint16 *r);
-extern uint32 osl_readl(volatile uint32 *r);
-extern void osl_writeb(uint8 v, volatile uint8 *r);
-extern void osl_writew(uint16 v, volatile uint16 *r);
-extern void osl_writel(uint32 v, volatile uint32 *r);
-
-/* bcopy, bcmp, and bzero */
-extern void bcopy(const void *src, void *dst, int len);
-extern int bcmp(const void *b1, const void *b2, int len);
-extern void bzero(void *b, int len);
-
-/* uncached virtual address */
-#define OSL_UNCACHED(va) osl_uncached((va))
-extern void *osl_uncached(void *va);
-
-/* get processor cycle count */
-#define OSL_GETCYCLES(x) ((x) = osl_getcycles())
-extern uint osl_getcycles(void);
-
-/* dereference an address that may target abort */
-#define BUSPROBE(val, addr) osl_busprobe(&(val), (addr))
-extern int osl_busprobe(uint32 *val, uint32 addr);
-
-/* map/unmap physical to virtual */
-#define REG_MAP(pa, size) osl_reg_map((pa), (size))
-#define REG_UNMAP(va) osl_reg_unmap((va))
-extern void *osl_reg_map(uint32 pa, uint size);
-extern void osl_reg_unmap(void *va);
-
-/* shared (dma-able) memory access macros */
-#define R_SM(r) *(r)
-#define W_SM(r, v) (*(r) = (v))
-#define BZERO_SM(r, len) bzero((r), (len))
-
-/* packet primitives */
-#define PKTGET(osh, len, send) osl_pktget((osh), (len))
-#define PKTFREE(osh, skb, send) osl_pktfree((osh), (skb), (send))
-#define PKTDATA(osh, skb) osl_pktdata((osh), (skb))
-#define PKTLEN(osh, skb) osl_pktlen((osh), (skb))
-#define PKTHEADROOM(osh, skb) osl_pktheadroom((osh), (skb))
-#define PKTTAILROOM(osh, skb) osl_pkttailroom((osh), (skb))
-#define PKTNEXT(osh, skb) osl_pktnext((osh), (skb))
-#define PKTSETNEXT(osh, skb, x) osl_pktsetnext((skb), (x))
-#define PKTSETLEN(osh, skb, len) osl_pktsetlen((osh), (skb), (len))
-#define PKTPUSH(osh, skb, bytes) osl_pktpush((osh), (skb), (bytes))
-#define PKTPULL(osh, skb, bytes) osl_pktpull((osh), (skb), (bytes))
-#define PKTDUP(osh, skb) osl_pktdup((osh), (skb))
-#define PKTTAG(skb) osl_pkttag((skb))
-#define PKTFRMNATIVE(osh, skb) osl_pkt_frmnative((osh), (struct sk_buff*)(skb))
-#define PKTTONATIVE(osh, pkt) osl_pkt_tonative((osh), (pkt))
-#define PKTLINK(skb) osl_pktlink((skb))
-#define PKTSETLINK(skb, x) osl_pktsetlink((skb), (x))
-#define PKTPRIO(skb) osl_pktprio((skb))
-#define PKTSETPRIO(skb, x) osl_pktsetprio((skb), (x))
-#define PKTSHARED(skb) osl_pktshared((skb))
-#define PKTALLOCED(osh) osl_pktalloced((osh))
-#ifdef BCMDBG_PKT
-#define PKTLIST_DUMP(osh, buf) osl_pktlist_dump(osh, buf)
-#else /* BCMDBG_PKT */
-#define PKTLIST_DUMP(osh, buf)
-#endif /* BCMDBG_PKT */
-
-extern void *osl_pktget(osl_t *osh, uint len);
-extern void osl_pktfree(osl_t *osh, void *skb, bool send);
-extern uchar *osl_pktdata(osl_t *osh, void *skb);
-extern uint osl_pktlen(osl_t *osh, void *skb);
-extern uint osl_pktheadroom(osl_t *osh, void *skb);
-extern uint osl_pkttailroom(osl_t *osh, void *skb);
-extern void *osl_pktnext(osl_t *osh, void *skb);
-extern void osl_pktsetnext(void *skb, void *x);
-extern void osl_pktsetlen(osl_t *osh, void *skb, uint len);
-extern uchar *osl_pktpush(osl_t *osh, void *skb, int bytes);
-extern uchar *osl_pktpull(osl_t *osh, void *skb, int bytes);
-extern void *osl_pktdup(osl_t *osh, void *skb);
-extern void *osl_pkttag(void *skb);
-extern void *osl_pktlink(void *skb);
-extern void osl_pktsetlink(void *skb, void *x);
-extern uint osl_pktprio(void *skb);
-extern void osl_pktsetprio(void *skb, uint x);
-extern void *osl_pkt_frmnative(osl_t *osh, struct sk_buff *skb);
-extern struct sk_buff *osl_pkt_tonative(osl_t *osh, void *pkt);
-extern bool osl_pktshared(void *skb);
-extern uint osl_pktalloced(osl_t *osh);
-
-#ifdef BCMDBG_PKT /* pkt logging for debugging */
-extern char *osl_pktlist_dump(osl_t *osh, char *buf);
-extern void osl_pktlist_add(osl_t *osh, void *p);
-extern void osl_pktlist_remove(osl_t *osh, void *p);
-#endif /* BCMDBG_PKT */
-
-#endif /* BINOSL */
-
-#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 / openwrt.git / blobdiff