void*
osl_malloc(osl_t *osh, uint size)
{
void *addr;
if (osh)
ASSERT(osh->magic == OS_HANDLE_MAGIC);
#ifdef DHD_USE_STATIC_BUF
if (bcm_static_buf)
{
int i = 0;
if ((size >= PAGE_SIZE)&&(size <= STATIC_BUF_SIZE))
{
down(&bcm_static_buf->static_sem);
for (i = 0; i < MAX_STATIC_BUF_NUM; i++)
{
if (bcm_static_buf->buf_use[i] == 0)
break;
}
if (i == MAX_STATIC_BUF_NUM)
{
up(&bcm_static_buf->static_sem);
OSL_MSG_INFO(("osl_malloc: all static buff in use!\n"));
goto original;
}
bcm_static_buf->buf_use[i] = 1;
up(&bcm_static_buf->static_sem);
bzero(bcm_static_buf->buf_ptr+STATIC_BUF_SIZE*i, size);
if (osh)
osh->malloced += size;
return ((void *)(bcm_static_buf->buf_ptr+STATIC_BUF_SIZE*i));
}
}
original:
#endif
if ((addr = kmalloc(size, GFP_ATOMIC)) == NULL) {
OSL_MSG_ERROR(("osl_malloc: GFP_ATOMIC failed, trying GFP_KERNEL\n"));
if ((addr = kmalloc(size, GFP_KERNEL)) == NULL) {
OSL_MSG_ERROR(("osl_malloc: GFP_KERNEL failed also\n"));
if (osh)
osh->failed++;
return (NULL);
}
}
if (osh)
osh->malloced += size;
return (addr);
}
osl_t *
osl_attach(void *pdev, uint bustype, bool pkttag)
{
osl_t *osh;
osh = kmalloc(sizeof(osl_t), GFP_ATOMIC);
ASSERT(osh);
bzero(osh, sizeof(osl_t));
ASSERT(ABS(BCME_LAST) == (ARRAYSIZE(linuxbcmerrormap) - 1));
osh->magic = OS_HANDLE_MAGIC;
osh->malloced = 0;
osh->failed = 0;
osh->dbgmem_list = NULL;
osh->pdev = pdev;
osh->pub.pkttag = pkttag;
osh->bustype = bustype;
switch (bustype) {
case PCI_BUS:
case SI_BUS:
case PCMCIA_BUS:
osh->pub.mmbus = TRUE;
break;
case JTAG_BUS:
case SDIO_BUS:
case USB_BUS:
case SPI_BUS:
osh->pub.mmbus = FALSE;
break;
default:
ASSERT(FALSE);
break;
}
#ifdef DHD_USE_STATIC_BUF
if (!bcm_static_buf) {
if (!(bcm_static_buf = (bcm_static_buf_t *)dhd_os_prealloc(3, STATIC_BUF_SIZE+
STATIC_BUF_TOTAL_LEN))) {
OSL_MSG_ERROR(("osl_attach: can not alloc static buf!\n"));
}
else
OSL_MSG_INFO(("osl_attach: alloc static buf at %x!\n", (unsigned int)bcm_static_buf));
init_MUTEX(&bcm_static_buf->static_sem);
bcm_static_buf->buf_ptr = (unsigned char *)bcm_static_buf + STATIC_BUF_SIZE;
}
if (!bcm_static_skb)
{
int i;
#ifndef CUSTOMER_HW_SAMSUNG
void *skb_buff_ptr = 0;
#endif
bcm_static_skb = (bcm_static_pkt_t *)((char *)bcm_static_buf + 2048);
#ifdef CUSTOMER_HW_SAMSUNG
for (i = 0; i < MAX_STATIC_PKT_NUM; i++) {
bcm_static_skb->skb_4k[i] = dev_alloc_skb(DHD_SKB_1PAGE_BUFSIZE);
if (bcm_static_skb->skb_4k[i] == NULL) {
OSL_MSG_ERROR(("osl_attach: 4K memory allocation failure. idx=%d\n", i));
goto err;
}
}
for (i = 0; i < MAX_STATIC_PKT_NUM; i++) {
bcm_static_skb->skb_8k[i] = dev_alloc_skb_kernel(DHD_SKB_2PAGE_BUFSIZE);
if (bcm_static_skb->skb_8k[i] == NULL) {
OSL_MSG_ERROR(("osl_attach: 8K memory allocation failure. idx=%d\n", i));
goto err;
}
}
bcm_static_skb->skb_16k = dev_alloc_skb_kernel(DHD_SKB_4PAGE_BUFSIZE);
if (bcm_static_skb->skb_16k == NULL) {
OSL_MSG_ERROR(("osl_attach: 16K memory allocation failure. idx=%d\n", i));
goto err;
}
#else
skb_buff_ptr = dhd_os_prealloc(4, 0);
bcopy(skb_buff_ptr, bcm_static_skb, sizeof(struct sk_buff *)*16);
#endif /* CUSTOMER_HW_SAMSUNG */
for (i = 0; i < MAX_STATIC_PKT_NUM*2+1; i++)
bcm_static_skb->pkt_use[i] = 0;
init_MUTEX(&bcm_static_skb->osl_pkt_sem);
}
#endif
return osh;
err:
kfree(osh);
return 0;
}
osl_t *
osl_attach(void *pdev, uint bustype, bool pkttag)
{
osl_t *osh;
osh = kmalloc(sizeof(osl_t), GFP_ATOMIC);
ASSERT(osh);
bzero(osh, sizeof(osl_t));
/* Check that error map has the right number of entries in it */
ASSERT(ABS(BCME_LAST) == (ARRAYSIZE(linuxbcmerrormap) - 1));
osh->magic = OS_HANDLE_MAGIC;
atomic_set(&osh->malloced, 0);
osh->failed = 0;
osh->dbgmem_list = NULL;
osh->pdev = pdev;
osh->pub.pkttag = pkttag;
osh->bustype = bustype;
switch (bustype) {
case PCI_BUS:
case SI_BUS:
case PCMCIA_BUS:
osh->pub.mmbus = TRUE;
break;
case JTAG_BUS:
case SDIO_BUS:
case USB_BUS:
case SPI_BUS:
case RPC_BUS:
osh->pub.mmbus = FALSE;
break;
default:
ASSERT(FALSE);
break;
}
#ifdef DHD_USE_STATIC_BUF
if (!bcm_static_buf) {
if (!(bcm_static_buf = (bcm_static_buf_t *)dhd_os_prealloc(3, STATIC_BUF_SIZE+
STATIC_BUF_TOTAL_LEN))) {
OSL_MSG_ERROR(("can not alloc static buf!\n"));
}
else
OSL_MSG_INFO(("alloc static buf at %x!\n", (unsigned int)bcm_static_buf));
init_MUTEX(&bcm_static_buf->static_sem);
bcm_static_buf->buf_ptr = (unsigned char *)bcm_static_buf + STATIC_BUF_SIZE;
}
if (!bcm_static_skb)
{
int i;
void *skb_buff_ptr = 0;
bcm_static_skb = (bcm_static_pkt_t *)((char *)bcm_static_buf + 2048);
skb_buff_ptr = dhd_os_prealloc(4, 0);
bcopy(skb_buff_ptr, bcm_static_skb, sizeof(struct sk_buff *)*(MAX_STATIC_PKT_NUM*2+1));
for (i = 0; i < MAX_STATIC_PKT_NUM*2+1; i++)
bcm_static_skb->pkt_use[i] = 0;
init_MUTEX(&bcm_static_skb->osl_pkt_sem);
}
#endif /* DHD_USE_STATIC_BUF */
return osh;
}
