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/*
* Linux OS Independent Layer
*
* Copyright (C) 1999-2012, Broadcom Corporation
*
* Unless you and Broadcom execute a separate written software license
* agreement governing use of this software, this software is licensed to you
* under the terms of the GNU General Public License version 2 (the "GPL"),
* available at http://www.broadcom.com/licenses/GPLv2.php, with the
* following added to such license:
*
* As a special exception, the copyright holders of this software give you
* permission to link this software with independent modules, and to copy and
* distribute the resulting executable under terms of your choice, provided that
* you also meet, for each linked independent module, the terms and conditions of
* the license of that module. An independent module is a module which is not
* derived from this software. The special exception does not apply to any
* modifications of the software.
*
* Notwithstanding the above, under no circumstances may you combine this
* software in any way with any other Broadcom software provided under a license
* other than the GPL, without Broadcom's express prior written consent.
*
* $Id: linux_osl.h 354452 2012-08-31 04:59:17Z $
*/
#ifndef _linux_osl_h_
#define _linux_osl_h_
#include <typedefs.h>
#define CUSTOMER_WMT
/* Linux Kernel: File Operations: start */
extern void * osl_os_open_image(char * filename);
extern int osl_os_get_image_block(char * buf, int len, void * image);
extern void osl_os_close_image(void * image);
extern int osl_os_image_size(void *image);
/* Linux Kernel: File Operations: end */
#ifdef BCMDRIVER
/* OSL initialization */
extern osl_t *osl_attach(void *pdev, uint bustype, bool pkttag);
extern void osl_detach(osl_t *osh);
/* Global ASSERT type */
extern uint32 g_assert_type;
/* ASSERT */
#if defined(BCMASSERT_LOG)
#define ASSERT(exp) \
do { if (!(exp)) osl_assert(#exp, __FILE__, __LINE__); } while (0)
extern void osl_assert(const char *exp, const char *file, int line);
#else
#ifdef __GNUC__
#define GCC_VERSION \
(__GNUC__ * 10000 + __GNUC_MINOR__ * 100 + __GNUC_PATCHLEVEL__)
#if GCC_VERSION > 30100
#define ASSERT(exp) do {} while (0)
#else
/* ASSERT could cause segmentation fault on GCC3.1, use empty instead */
#define ASSERT(exp)
#endif /* GCC_VERSION > 30100 */
#endif /* __GNUC__ */
#endif
/* microsecond delay */
#define OSL_DELAY(usec) osl_delay(usec)
extern void osl_delay(uint usec);
#define OSL_PCMCIA_READ_ATTR(osh, offset, buf, size) \
osl_pcmcia_read_attr((osh), (offset), (buf), (size))
#define OSL_PCMCIA_WRITE_ATTR(osh, offset, buf, size) \
osl_pcmcia_write_attr((osh), (offset), (buf), (size))
extern void osl_pcmcia_read_attr(osl_t *osh, uint offset, void *buf, int size);
extern void osl_pcmcia_write_attr(osl_t *osh, uint offset, void *buf, int size);
/* PCI configuration space access macros */
#define OSL_PCI_READ_CONFIG(osh, offset, size) \
osl_pci_read_config((osh), (offset), (size))
#define OSL_PCI_WRITE_CONFIG(osh, offset, size, val) \
osl_pci_write_config((osh), (offset), (size), (val))
extern uint32 osl_pci_read_config(osl_t *osh, uint offset, uint size);
extern void osl_pci_write_config(osl_t *osh, uint offset, uint size, uint val);
/* PCI device bus # and slot # */
#define OSL_PCI_BUS(osh) osl_pci_bus(osh)
#define OSL_PCI_SLOT(osh) osl_pci_slot(osh)
extern uint osl_pci_bus(osl_t *osh);
extern uint osl_pci_slot(osl_t *osh);
extern struct pci_dev *osl_pci_device(osl_t *osh);
/* Pkttag flag should be part of public information */
typedef struct {
bool pkttag;
uint pktalloced; /* Number of allocated packet buffers */
bool mmbus; /* Bus supports memory-mapped register accesses */
pktfree_cb_fn_t tx_fn; /* Callback function for PKTFREE */
void *tx_ctx; /* Context to the callback function */
void *unused[3];
} osl_pubinfo_t;
#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(osh, size) osl_malloc((osh), (size))
#define MFREE(osh, addr, size) osl_mfree((osh), (addr), (size))
#define MALLOCED(osh) osl_malloced((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);
#define NATIVE_MALLOC(osh, size) kmalloc(size, GFP_ATOMIC)
#define NATIVE_MFREE(osh, addr, size) kfree(addr)
#define MALLOC_FAILED(osh) osl_malloc_failed((osh))
extern uint osl_malloc_failed(osl_t *osh);
/* allocate/free shared (dma-able) consistent memory */
#define DMA_CONSISTENT_ALIGN osl_dma_consistent_align()
#define DMA_ALLOC_CONSISTENT(osh, size, align, tot, pap, dmah) \
osl_dma_alloc_consistent((osh), (size), (align), (tot), (pap))
#define DMA_FREE_CONSISTENT(osh, va, size, pa, dmah) \
osl_dma_free_consistent((osh), (void*)(va), (size), (pa))
extern uint osl_dma_consistent_align(void);
extern void *osl_dma_alloc_consistent(osl_t *osh, uint size, uint16 align, uint *tot, 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_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 */
#include <bcmsdh.h>
#define OSL_WRITE_REG(osh, r, v) (bcmsdh_reg_write(NULL, (uintptr)(r), sizeof(*(r)), (v)))
#define OSL_READ_REG(osh, r) (bcmsdh_reg_read(NULL, (uintptr)(r), sizeof(*(r))))
#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
#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 */
/*
* BINOSL selects the slightly slower function-call-based binary compatible osl.
* Macros expand to calls to functions defined in linux_osl.c .
*/
#include <linuxver.h> /* use current 2.4.x calling conventions */
#include <linux/kernel.h> /* for vsn/printf's */
#include <linux/string.h> /* for mem*, str* */
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 4, 29)
#define OSL_SYSUPTIME() ((uint32)jiffies_to_msecs(jiffies))
#else
#define OSL_SYSUPTIME() ((uint32)jiffies * (1000 / HZ))
#endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(2, 4, 29) */
#define printf(fmt, args...) printk(fmt , ## args)
#include <linux/kernel.h> /* for vsn/printf's */
#include <linux/string.h> /* for mem*, str* */
/* bcopy's: Linux kernel doesn't provide these (anymore) */
#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))
/* register access macros */
#define R_REG(osh, r) (\
SELECT_BUS_READ(osh, \
({ \
__typeof(*(r)) __osl_v; \
BCM_REFERENCE(osh); \
switch (sizeof(*(r))) { \
case sizeof(uint8): __osl_v = \
readb((volatile uint8*)(r)); break; \
case sizeof(uint16): __osl_v = \
readw((volatile uint16*)(r)); break; \
case sizeof(uint32): __osl_v = \
readl((volatile uint32*)(r)); break; \
} \
__osl_v; \
}), \
OSL_READ_REG(osh, r)) \
)
#define W_REG(osh, r, v) do { \
BCM_REFERENCE(osh); \
SELECT_BUS_WRITE(osh, \
switch (sizeof(*(r))) { \
case sizeof(uint8): writeb((uint8)(v), (volatile uint8*)(r)); break; \
case sizeof(uint16): writew((uint16)(v), (volatile uint16*)(r)); break; \
case sizeof(uint32): writel((uint32)(v), (volatile uint32*)(r)); break; \
}, \
(OSL_WRITE_REG(osh, r, v))); \
} while (0)
#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 functions */
#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/cached virtual address */
#define OSL_UNCACHED(va) ((void *)va)
#define OSL_CACHED(va) ((void *)va)
#define OSL_PREF_RANGE_LD(va, sz)
#define OSL_PREF_RANGE_ST(va, sz)
/* get processor cycle count */
#if defined(__i386__)
#define OSL_GETCYCLES(x) rdtscl((x))
#else
#define OSL_GETCYCLES(x) ((x) = 0)
#endif
/* dereference an address that may cause a bus exception */
#define BUSPROBE(val, addr) ({ (val) = R_REG(NULL, (addr)); 0; })
/* map/unmap physical to virtual I/O */
#if !defined(CONFIG_MMC_MSM7X00A)
#define REG_MAP(pa, size) ioremap_nocache((unsigned long)(pa), (unsigned long)(size))
#else
#define REG_MAP(pa, size) (void *)(0)
#endif /* !defined(CONFIG_MMC_MSM7X00A */
#define REG_UNMAP(va) iounmap((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))
/* Because the non BINOSL implemenation of the PKT OSL routines are macros (for
* performance reasons), we need the Linux headers.
*/
#include <linuxver.h> /* use current 2.4.x calling conventions */
/* packet primitives */
#define PKTGET(osh, len, send) osl_pktget((osh), (len))
#define PKTDUP(osh, skb) osl_pktdup((osh), (skb))
#define PKTLIST_DUMP(osh, buf)
#define PKTDBG_TRACE(osh, pkt, bit)
#define PKTFREE(osh, skb, send) osl_pktfree((osh), (skb), (send))
#ifdef CONFIG_DHD_USE_STATIC_BUF
#define PKTGET_STATIC(osh, len, send) osl_pktget_static((osh), (len))
#define PKTFREE_STATIC(osh, skb, send) osl_pktfree_static((osh), (skb), (send))
#endif /* CONFIG_DHD_USE_STATIC_BUF */
#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 PKTTAG(skb) ((void*)(((struct sk_buff*)(skb))->cb))
#define PKTALLOCED(osh) ((osl_pubinfo_t *)(osh))->pktalloced
#define PKTSETPOOL(osh, skb, x, y) do {} while (0)
#define PKTPOOL(osh, skb) FALSE
#define PKTSHRINK(osh, m) (m)
#ifdef CTFPOOL
#define CTFPOOL_REFILL_THRESH 3
typedef struct ctfpool {
void *head;
spinlock_t lock;
uint max_obj;
uint curr_obj;
uint obj_size;
uint refills;
uint fast_allocs;
uint fast_frees;
uint slow_allocs;
} ctfpool_t;
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 22)
#define FASTBUF (1 << 16)
#define CTFBUF (1 << 17)
#define PKTSETFAST(osh, skb) ((((struct sk_buff*)(skb))->mac_len) |= FASTBUF)
#define PKTCLRFAST(osh, skb) ((((struct sk_buff*)(skb))->mac_len) &= (~FASTBUF))
#define PKTSETCTF(osh, skb) ((((struct sk_buff*)(skb))->mac_len) |= CTFBUF)
#define PKTCLRCTF(osh, skb) ((((struct sk_buff*)(skb))->mac_len) &= (~CTFBUF))
#define PKTISFAST(osh, skb) ((((struct sk_buff*)(skb))->mac_len) & FASTBUF)
#define PKTISCTF(osh, skb) ((((struct sk_buff*)(skb))->mac_len) & CTFBUF)
#define PKTFAST(osh, skb) (((struct sk_buff*)(skb))->mac_len)
#else
#define FASTBUF (1 << 0)
#define CTFBUF (1 << 1)
#define PKTSETFAST(osh, skb) ((((struct sk_buff*)(skb))->__unused) |= FASTBUF)
#define PKTCLRFAST(osh, skb) ((((struct sk_buff*)(skb))->__unused) &= (~FASTBUF))
#define PKTSETCTF(osh, skb) ((((struct sk_buff*)(skb))->__unused) |= CTFBUF)
#define PKTCLRCTF(osh, skb) ((((struct sk_buff*)(skb))->__unused) &= (~CTFBUF))
#define PKTISFAST(osh, skb) ((((struct sk_buff*)(skb))->__unused) & FASTBUF)
#define PKTISCTF(osh, skb) ((((struct sk_buff*)(skb))->__unused) & CTFBUF)
#define PKTFAST(osh, skb) (((struct sk_buff*)(skb))->__unused)
#endif /* 2.6.22 */
#define CTFPOOLPTR(osh, skb) (((struct sk_buff*)(skb))->sk)
#define CTFPOOLHEAD(osh, skb) (((ctfpool_t *)((struct sk_buff*)(skb))->sk)->head)
extern void *osl_ctfpool_add(osl_t *osh);
extern void osl_ctfpool_replenish(osl_t *osh, uint thresh);
extern int32 osl_ctfpool_init(osl_t *osh, uint numobj, uint size);
extern void osl_ctfpool_cleanup(osl_t *osh);
extern void osl_ctfpool_stats(osl_t *osh, void *b);
#endif /* CTFPOOL */
#ifdef HNDCTF
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 22)
#define SKIPCT (1 << 18)
#define PKTSETSKIPCT(osh, skb) (((struct sk_buff*)(skb))->mac_len |= SKIPCT)
#define PKTCLRSKIPCT(osh, skb) (((struct sk_buff*)(skb))->mac_len &= (~SKIPCT))
#define PKTSKIPCT(osh, skb) (((struct sk_buff*)(skb))->mac_len & SKIPCT)
#else /* 2.6.22 */
#define SKIPCT (1 << 2)
#define PKTSETSKIPCT(osh, skb) (((struct sk_buff*)(skb))->__unused |= SKIPCT)
#define PKTCLRSKIPCT(osh, skb) (((struct sk_buff*)(skb))->__unused &= (~SKIPCT))
#define PKTSKIPCT(osh, skb) (((struct sk_buff*)(skb))->__unused & SKIPCT)
#endif /* 2.6.22 */
#else /* HNDCTF */
#define PKTSETSKIPCT(osh, skb)
#define PKTCLRSKIPCT(osh, skb)
#define PKTSKIPCT(osh, skb)
#endif /* HNDCTF */
extern void osl_pktfree(osl_t *osh, void *skb, bool send);
extern void *osl_pktget_static(osl_t *osh, uint len);
extern void osl_pktfree_static(osl_t *osh, void *skb, bool send);
extern void *osl_pkt_frmnative(osl_t *osh, void *skb);
extern void *osl_pktget(osl_t *osh, uint len);
extern void *osl_pktdup(osl_t *osh, void *skb);
extern struct sk_buff *osl_pkt_tonative(osl_t *osh, void *pkt);
#define PKTFRMNATIVE(osh, skb) osl_pkt_frmnative(((osl_t *)osh), (struct sk_buff*)(skb))
#define PKTTONATIVE(osh, pkt) osl_pkt_tonative((osl_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)
#define DMA_MAP(osh, va, size, direction, p, dmah) \
osl_dma_map((osh), (va), (size), (direction))
#ifdef PKTC
/* Use 8 bytes of skb tstamp field to store below info */
struct chain_node {
struct sk_buff *link;
unsigned int flags:3, pkts:9, bytes:20;
};
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 14)
#define CHAIN_NODE(skb) ((struct chain_node*)&(((struct sk_buff*)skb)->tstamp))
#else
#define CHAIN_NODE(skb) ((struct chain_node*)&(((struct sk_buff*)skb)->stamp))
#endif
#define PKTCCNT(skb) (CHAIN_NODE(skb)->pkts)
#define PKTCLEN(skb) (CHAIN_NODE(skb)->bytes)
#define PKTCFLAGS(skb) (CHAIN_NODE(skb)->flags)
#define PKTCSETCNT(skb, c) (CHAIN_NODE(skb)->pkts = (c) & ((1 << 9) - 1))
#define PKTCSETLEN(skb, l) (CHAIN_NODE(skb)->bytes = (l) & ((1 << 20) - 1))
#define PKTCSETFLAG(skb, fb) (CHAIN_NODE(skb)->flags |= (fb))
#define PKTCCLRFLAG(skb, fb) (CHAIN_NODE(skb)->flags &= ~(fb))
#define PKTCLINK(skb) (CHAIN_NODE(skb)->link)
#define PKTSETCLINK(skb, x) (CHAIN_NODE(skb)->link = (struct sk_buff*)(x))
#define PKTISCHAINED(skb) (PKTCLINK(skb) != NULL)
#define FOREACH_CHAINED_PKT(skb, nskb) \
for (; (skb) != NULL; (skb) = (nskb)) \
if ((nskb) = PKTCLINK(skb), PKTSETCLINK((skb), NULL), 1)
#define PKTCFREE(osh, skb, send) \
do { \
void *nskb; \
ASSERT((skb) != NULL); \
FOREACH_CHAINED_PKT((skb), nskb) { \
PKTFREE((osh), (skb), (send)); \
} \
} while (0)
#endif /* PKTC */
#else /* ! BCMDRIVER */
/* ASSERT */
#define ASSERT(exp) do {} while (0)
/* MALLOC and MFREE */
#define MALLOC(o, l) malloc(l)
#define MFREE(o, p, l) free(p)
#include <stdlib.h>
/* str* and mem* functions */
#include <string.h>
/* *printf functions */
#include <stdio.h>
/* bcopy, bcmp, and bzero */
extern void bcopy(const void *src, void *dst, size_t len);
extern int bcmp(const void *b1, const void *b2, size_t len);
extern void bzero(void *b, size_t len);
#endif /* ! BCMDRIVER */
#endif /* _linux_osl_h_ */
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