add all source code from linksys/broadcom which is free, to cvs for better maintainence inside

openwrt. this gives us the ability to better support different hardware models, without changing
any external tar-balls. only et.o and wl.o is missing and is fetched from my webserver.


git-svn-id: svn://svn.openwrt.org/openwrt/trunk@379 3c298f89-4303-0410-b956-a3cf2f4a3e73

1 files changed, 465 insertions, 0 deletions

diff --git a/openwrt/package/linux/kernel-source/drivers/net/hnd/linux_osl.c b/openwrt/package/linux/kernel-source/drivers/net/hnd/linux_osl.c
new file mode 100644
index 000000000..575b046fb
--- /dev/null
+++ b/openwrt/package/linux/kernel-source/drivers/net/hnd/linux_osl.c
@@ -0,0 +1,465 @@
+/*
+ * Linux OS Independent Layer
+ *
+ * Copyright 2004, 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.
+ *
+ * $Id$
+ */
+
+#define LINUX_OSL
+
+#include <typedefs.h>
+#include <bcmendian.h>
+#include <linuxver.h>
+#include <linux_osl.h>
+#include <bcmutils.h>
+#include <linux/delay.h>
+#ifdef mips
+#include <asm/paccess.h>
+#endif
+#include <pcicfg.h>
+
+#define PCI_CFG_RETRY 10	
+
+void*
+osl_pktget(void *drv, uint len, bool send)
+{
+	struct sk_buff *skb;
+
+	if ((skb = dev_alloc_skb(len)) == NULL)
+		return (NULL);
+
+	skb_put(skb, len);
+
+	/* ensure the cookie field is cleared */ 
+	PKTSETCOOKIE(skb, NULL);
+
+	return ((void*) skb);
+}
+
+void
+osl_pktfree(void *p)
+{
+	struct sk_buff *skb, *nskb;
+
+	skb = (struct sk_buff*) p;
+
+	/* perversion: we use skb->next to chain multi-skb packets */
+	while (skb) {
+		nskb = skb->next;
+		skb->next = NULL;
+		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);
+		}
+		skb = nskb;
+	}
+}
+
+uint32
+osl_pci_read_config(void *loc, uint offset, uint size)
+{
+	struct pci_dev *pdev;
+	uint val;
+	uint retry=PCI_CFG_RETRY;	 
+
+	/* only 4byte access supported */
+	ASSERT(size == 4);
+
+	pdev = (struct pci_dev*)loc;
+	do {
+		pci_read_config_dword(pdev, offset, &val);
+		if (val != 0xffffffff)
+			break;
+	} while (retry--);
+
+
+	return (val);
+}
+
+void
+osl_pci_write_config(void *loc, uint offset, uint size, uint val)
+{
+	struct pci_dev *pdev;
+	uint retry=PCI_CFG_RETRY;	 
+
+	/* only 4byte access supported */
+	ASSERT(size == 4);
+
+	pdev = (struct pci_dev*)loc;
+
+	do {
+		pci_write_config_dword(pdev, offset, val);
+		if (offset!=PCI_BAR0_WIN)
+			break;
+		if (osl_pci_read_config(loc,offset,size) == val) 
+			break;
+	} while (retry--);
+
+}
+
+static void
+osl_pcmcia_attr(void *osh, uint offset, char *buf, int size, bool write)
+{
+}
+
+void
+osl_pcmcia_read_attr(void *osh, uint offset, void *buf, int size)
+{
+	osl_pcmcia_attr(osh, offset, (char *) buf, size, FALSE);
+}
+
+void
+osl_pcmcia_write_attr(void *osh, uint offset, void *buf, int size)
+{
+	osl_pcmcia_attr(osh, offset, (char *) buf, size, TRUE);
+}
+
+#if defined(BINOSL)
+
+void
+osl_assert(char *exp, char *file, int line)
+{
+	char tempbuf[255];
+
+	sprintf(tempbuf, "assertion \"%s\" failed: file \"%s\", line %d\n", exp, file, line);
+	panic(tempbuf);
+}
+
+
+
+void*
+osl_malloc(uint size)
+{
+	return (kmalloc(size, GFP_ATOMIC));
+}
+
+void
+osl_mfree(void *addr, uint size)
+{
+	kfree(addr);
+}
+
+uint
+osl_malloced(void)
+{
+#ifdef MODULE
+	return malloced;
+#else
+	return 0;
+#endif
+}
+
+#endif	/* defined(BCMDBG) || defined(BINOSL) */
+
+/*
+ * BINOSL selects the slightly slower function-call-based binary compatible osl.
+ */
+#ifdef BINOSL
+
+int
+osl_printf(const char *format, ...)
+{
+	va_list args;
+	char buf[1024];
+	int len;
+
+	/* sprintf into a local buffer because there *is* no "vprintk()".. */
+	va_start(args, format);
+	len = vsprintf(buf, format, args);
+	va_end(args);
+
+	if (len > sizeof (buf)) {
+		printk("osl_printf: buffer overrun\n");
+		return (0);
+	}
+
+	return (printk(buf));
+}
+
+int
+osl_sprintf(char *buf, const char *format, ...)
+{
+	va_list args;
+	int rc;
+
+	va_start(args, format);
+	rc = vsprintf(buf, format, args);
+	va_end(args);
+	return (rc);
+}
+
+int
+osl_strcmp(const char *s1, const char *s2)
+{
+	return (strcmp(s1, s2));
+}
+
+int
+osl_strncmp(const char *s1, const char *s2, uint n)
+{
+	return (strncmp(s1, s2, n));
+}
+
+int
+osl_strlen(char *s)
+{
+	return (strlen(s));
+}
+
+char*
+osl_strcpy(char *d, const char *s)
+{
+	return (strcpy(d, s));
+}
+
+char*
+osl_strncpy(char *d, const char *s, uint n)
+{
+	return (strncpy(d, s, n));
+}
+
+void
+bcopy(const void *src, void *dst, int len)
+{
+	memcpy(dst, src, len);
+}
+
+int
+bcmp(const void *b1, const void *b2, int len)
+{
+	return (memcmp(b1, b2, len));
+}
+
+void
+bzero(void *b, int len)
+{
+	memset(b, '\0', len);
+}
+
+uint32
+osl_readl(volatile uint32 *r)
+{
+	return (readl(r));
+}
+
+uint16
+osl_readw(volatile uint16 *r)
+{
+	return (readw(r));
+}
+
+uint8
+osl_readb(volatile uint8 *r)
+{
+	return (readb(r));
+}
+
+void
+osl_writel(uint32 v, volatile uint32 *r)
+{
+	writel(v, r);
+}
+
+void
+osl_writew(uint16 v, volatile uint16 *r)
+{
+	writew(v, r);
+}
+
+void
+osl_writeb(uint8 v, volatile uint8 *r)
+{
+	writeb(v, r);
+}
+
+void *
+osl_uncached(void *va)
+{
+#ifdef mips
+	return ((void*)KSEG1ADDR(va));
+#else
+	return ((void*)va);
+#endif
+}
+
+uint
+osl_getcycles(void)
+{
+	uint cycles;
+
+#if defined(mips)
+	cycles = read_c0_count() * 2;
+#elif defined(__i386__)
+	rdtscl(cycles);
+#else
+	cycles = 0;
+#endif
+	return cycles;
+}
+
+void *
+osl_reg_map(uint32 pa, uint size)
+{
+	return (ioremap_nocache((unsigned long)pa, (unsigned long)size));
+}
+
+void
+osl_reg_unmap(void *va)
+{
+	iounmap(va);
+}
+
+int
+osl_busprobe(uint32 *val, uint32 addr)
+{
+#ifdef mips
+	return get_dbe(*val, (uint32*)addr);
+#else
+	*val = readl(addr);
+	return 0;
+#endif
+}
+
+void*
+osl_dma_alloc_consistent(void *dev, uint size, ulong *pap)
+{
+	return (pci_alloc_consistent((struct pci_dev*)dev, size, (dma_addr_t*)pap));
+}
+
+void
+osl_dma_free_consistent(void *dev, void *va, uint size, ulong pa)
+{
+	pci_free_consistent((struct pci_dev*)dev, size, va, (dma_addr_t)pa);
+}
+
+uint
+osl_dma_map(void *dev, void *va, uint size, int direction)
+{
+	int dir;
+
+	dir = (direction == DMA_TX)? PCI_DMA_TODEVICE: PCI_DMA_FROMDEVICE;
+	return (pci_map_single(dev, va, size, dir));
+}
+
+void
+osl_dma_unmap(void *dev, uint pa, uint size, int direction)
+{
+	int dir;
+
+	dir = (direction == DMA_TX)? PCI_DMA_TODEVICE: PCI_DMA_FROMDEVICE;
+	pci_unmap_single(dev, (uint32)pa, size, dir);
+}
+
+void
+osl_delay(uint usec)
+{
+	udelay(usec);
+}
+
+uchar*
+osl_pktdata(void *drv, void *skb)
+{
+	return (((struct sk_buff*)skb)->data);
+}
+
+uint
+osl_pktlen(void *drv, void *skb)
+{
+	return (((struct sk_buff*)skb)->len);
+}
+
+uint
+osl_pktheadroom(void *drv, void *skb)
+{
+	return (uint) skb_headroom((struct sk_buff *) skb);
+}
+
+uint
+osl_pkttailroom(void *drv, void *skb)
+{
+	return (uint) skb_tailroom((struct sk_buff *) skb);
+}
+
+void*
+osl_pktnext(void *drv, void *skb)
+{
+	return (((struct sk_buff*)skb)->next);
+}
+
+void
+osl_pktsetnext(void *skb, void *x)
+{
+	((struct sk_buff*)skb)->next = (struct sk_buff*)x;
+}
+
+void
+osl_pktsetlen(void *drv, void *skb, uint len)
+{
+	__skb_trim((struct sk_buff*)skb, len);
+}
+
+uchar*
+osl_pktpush(void *drv, void *skb, int bytes)
+{
+	return (skb_push((struct sk_buff*)skb, bytes));
+}
+
+uchar*
+osl_pktpull(void *drv, void *skb, int bytes)
+{
+	return (skb_pull((struct sk_buff*)skb, bytes));
+}
+
+void*
+osl_pktdup(void *drv, void *skb)
+{
+	return (skb_clone((struct sk_buff*)skb, GFP_ATOMIC));
+}
+
+void*
+osl_pktcookie(void *skb)
+{
+	return ((void*)((struct sk_buff*)skb)->csum);
+}
+
+void
+osl_pktsetcookie(void *skb, void *x)
+{
+	((struct sk_buff*)skb)->csum = (uint)x;
+}
+
+void*
+osl_pktlink(void *skb)
+{
+	return (((struct sk_buff*)skb)->prev);
+}
+
+void
+osl_pktsetlink(void *skb, void *x)
+{
+	((struct sk_buff*)skb)->prev = (struct sk_buff*)x;
+}
+
+uint
+osl_pktprio(void *skb)
+{
+	return (((struct sk_buff*)skb)->priority);
+}
+
+void
+osl_pktsetprio(void *skb, uint x)
+{
+	((struct sk_buff*)skb)->priority = x;
+}
+
+#endif	/* BINOSL */