if (pkt == NULL) {
sd_data(("%s: Creating new %s Packet, len=%d\n",
__func__, write ? "TX" : "RX", buflen_u));
-#ifdef DHD_USE_STATIC_BUF
- mypkt = PKTGET_STATIC(sd->osh, buflen_u, write ? true : false);
-#else
mypkt = PKTGET(sd->osh, buflen_u, write ? true : false);
-#endif /* DHD_USE_STATIC_BUF */
if (!mypkt) {
sd_err(("%s: PKTGET failed: len %d\n",
__func__, buflen_u));
if (!write)
bcopy(PKTDATA(mypkt), buffer, buflen_u);
-#ifdef DHD_USE_STATIC_BUF
- PKTFREE_STATIC(sd->osh, mypkt, write ? true : false);
-#else
PKTFREE(sd->osh, mypkt, write ? true : false);
-#endif /* DHD_USE_STATIC_BUF */
} else if (((u32) (PKTDATA(pkt)) & DMA_ALIGN_MASK) != 0) {
/* Case 2: We have a packet, but it is unaligned. */
sd_data(("%s: Creating aligned %s Packet, len=%d\n",
__func__, write ? "TX" : "RX", PKTLEN(pkt)));
-#ifdef DHD_USE_STATIC_BUF
- mypkt = PKTGET_STATIC(sd->osh, PKTLEN(pkt),
- write ? true : false);
-#else
mypkt = PKTGET(sd->osh, PKTLEN(pkt), write ? true : false);
-#endif /* DHD_USE_STATIC_BUF */
if (!mypkt) {
sd_err(("%s: PKTGET failed: len %d\n",
__func__, PKTLEN(pkt)));
if (!write)
bcopy(PKTDATA(mypkt), PKTDATA(pkt), PKTLEN(mypkt));
-#ifdef DHD_USE_STATIC_BUF
- PKTFREE_STATIC(sd->osh, mypkt, write ? true : false);
-#else
PKTFREE(sd->osh, mypkt, write ? true : false);
-#endif /* DHD_USE_STATIC_BUF */
} else { /* case 3: We have a packet and
it is aligned. */
sd_data(("%s: Aligned %s Packet, direct DMA\n",
DHD_PREALLOC_DATABUF,
DHD_PREALLOC_OSL_BUF
};
-#ifdef DHD_USE_STATIC_BUF
-extern void *dhd_os_prealloc(int section, unsigned long size);
-#endif
+
/* Common structure for module and instance linkage */
typedef struct dhd_pub {
/* Linkage ponters */
{
dhd_prot_t *cdc;
-#ifndef DHD_USE_STATIC_BUF
cdc = (dhd_prot_t *) MALLOC(dhd->osh, sizeof(dhd_prot_t));
if (!cdc) {
DHD_ERROR(("%s: kmalloc failed\n", __func__));
goto fail;
}
-#else
- cdc = (dhd_prot_t *) dhd_os_prealloc(DHD_PREALLOC_PROT,
- sizeof(dhd_prot_t));
- if (!cdc) {
- DHD_ERROR(("%s: kmalloc failed\n", __func__));
- goto fail;
- }
-#endif /* DHD_USE_STATIC_BUF */
memset(cdc, 0, sizeof(dhd_prot_t));
/* ensure that the msg buf directly follows the cdc msg struct */
return 0;
fail:
-#ifndef DHD_USE_STATIC_BUF
if (cdc != NULL)
MFREE(dhd->osh, cdc, sizeof(dhd_prot_t));
-#endif
return BCME_NOMEM;
}
/* ~NOTE~ What if another thread is waiting on the semaphore? Holding it? */
void dhd_prot_detach(dhd_pub_t *dhd)
{
-#ifndef DHD_USE_STATIC_BUF
MFREE(dhd->osh, dhd->prot, sizeof(dhd_prot_t));
-#endif
dhd->prot = NULL;
}
dhd_os_sdunlock(pub);
}
-#ifdef DHD_USE_STATIC_BUF
-void *dhd_os_prealloc(int section, unsigned long size)
-{
-#if defined(CUSTOMER_HW2) && defined(CONFIG_WIFI_CONTROL_FUNC)
- void *alloc_ptr = NULL;
- if (wifi_control_data && wifi_control_data->mem_prealloc) {
- alloc_ptr = wifi_control_data->mem_prealloc(section, size);
- if (alloc_ptr) {
- DHD_INFO(("success alloc section %d\n", section));
- bzero(alloc_ptr, size);
- return alloc_ptr;
- }
- }
-
- DHD_ERROR(("can't alloc section %d\n", section));
- return 0;
-#else
- return MALLOC(0, size);
-#endif /* #if defined(CUSTOMER_HW2) && defined(CONFIG_WIFI_CONTROL_FUNC) */
-}
-#endif /* DHD_USE_STATIC_BUF */
#if defined(CONFIG_WIRELESS_EXT)
struct iw_statistics *dhd_get_wireless_stats(struct net_device *dev)
{
{
DHD_TRACE(("%s: Enter\n", __func__));
-#ifndef DHD_USE_STATIC_BUF
if (bus->dhd->maxctl) {
bus->rxblen =
roundup((bus->dhd->maxctl + SDPCM_HDRLEN),
MFREE(osh, bus->rxbuf, bus->rxblen);
goto fail;
}
-#else
- if (bus->dhd->maxctl) {
- bus->rxblen =
- roundup((bus->dhd->maxctl + SDPCM_HDRLEN),
- ALIGNMENT) + DHD_SDALIGN;
- bus->rxbuf = dhd_os_prealloc(DHD_PREALLOC_RXBUF, bus->rxblen);
- if (!(bus->rxbuf)) {
- DHD_ERROR(("%s: MALLOC of %d-byte rxbuf failed\n",
- __func__, bus->rxblen));
- goto fail;
- }
- }
- /* Allocate buffer to receive glomed packet */
- bus->databuf = dhd_os_prealloc(DHD_PREALLOC_DATABUF, MAX_DATA_BUF);
- if (!(bus->databuf)) {
- DHD_ERROR(("%s: MALLOC of %d-byte databuf failed\n",
- __func__, MAX_DATA_BUF));
- goto fail;
- }
-#endif /* DHD_USE_STATIC_BUF */
/* Align the buffer */
if ((uintptr) bus->databuf % DHD_SDALIGN)
return;
if (bus->rxbuf) {
-#ifndef DHD_USE_STATIC_BUF
MFREE(osh, bus->rxbuf, bus->rxblen);
-#endif
bus->rxctl = bus->rxbuf = NULL;
bus->rxlen = 0;
}
if (bus->databuf) {
-#ifndef DHD_USE_STATIC_BUF
MFREE(osh, bus->databuf, MAX_DATA_BUF);
-#endif
bus->databuf = NULL;
}
}
extern void osl_pktfree(osl_t *osh, void *skb, bool send);
#ifdef BRCM_FULLMAC
-#ifdef 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
extern void *osl_pktget_static(osl_t *osh, uint len);
extern void osl_pktfree_static(osl_t *osh, void *skb, bool send);
#define OS_HANDLE_MAGIC 0x1234abcd /* Magic # to recognise osh */
#define BCM_MEM_FILENAME_LEN 24 /* Mem. filename length */
-#if defined(BRCM_FULLMAC) && defined(DHD_USE_STATIC_BUF)
-#define MAX_STATIC_BUF_NUM 16
-#define STATIC_BUF_SIZE (PAGE_SIZE*2)
-#define STATIC_BUF_TOTAL_LEN (MAX_STATIC_BUF_NUM*STATIC_BUF_SIZE)
-typedef struct bcm_static_buf {
- struct semaphore static_sem;
- unsigned char *buf_ptr;
- unsigned char buf_use[MAX_STATIC_BUF_NUM];
-} bcm_static_buf_t;
-
-static bcm_static_buf_t *bcm_static_buf;
-
-#define MAX_STATIC_PKT_NUM 8
-typedef struct bcm_static_pkt {
- struct sk_buff *skb_4k[MAX_STATIC_PKT_NUM];
- struct sk_buff *skb_8k[MAX_STATIC_PKT_NUM];
- struct semaphore osl_pkt_sem;
- unsigned char pkt_use[MAX_STATIC_PKT_NUM * 2];
-} bcm_static_pkt_t;
-static bcm_static_pkt_t *bcm_static_skb;
-#endif /* DHD_USE_STATIC_BUF */
-
struct osl_info {
osl_pubinfo_t pub;
uint magic;
break;
}
-#if defined(BRCM_FULLMAC) && defined(DHD_USE_STATIC_BUF)
- if (!bcm_static_buf) {
- bcm_static_buf = (bcm_static_buf_t *) dhd_os_prealloc(3,
- STATIC_BUF_SIZE + STATIC_BUF_TOTAL_LEN);
- if (!bcm_static_buf) {
- printk(KERN_ERR "can not alloc static buf!\n");
- } else
- printk(KERN_ERR "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 *) * 16);
- for (i = 0; i < MAX_STATIC_PKT_NUM * 2; i++)
- bcm_static_skb->pkt_use[i] = 0;
-
- init_MUTEX(&bcm_static_skb->osl_pkt_sem);
- }
-#endif /* defined(BRCM_FULLMAC) && defined(DHD_USE_STATIC_BUF) */
-
#if defined(BCMDBG) && !defined(BRCM_FULLMAC)
if (pkttag) {
struct sk_buff *skb;
if (osh == NULL)
return;
-#if defined(BRCM_FULLMAC) && defined(DHD_USE_STATIC_BUF)
- if (bcm_static_buf)
- bcm_static_buf = 0;
-
- if (bcm_static_skb)
- bcm_static_skb = 0;
-#endif
ASSERT(osh->magic == OS_HANDLE_MAGIC);
kfree(osh);
}
}
}
-#if defined(BRCM_FULLMAC) && defined(DHD_USE_STATIC_BUF)
-void *osl_pktget_static(osl_t *osh, uint len)
-{
- int i = 0;
- struct sk_buff *skb;
-
- if (len > (PAGE_SIZE * 2)) {
- printk(KERN_ERR "Do we really need this big skb??\n");
- return osl_pktget(osh, len);
- }
-
- down(&bcm_static_skb->osl_pkt_sem);
- if (len <= PAGE_SIZE) {
- for (i = 0; i < MAX_STATIC_PKT_NUM; i++) {
- if (bcm_static_skb->pkt_use[i] == 0)
- break;
- }
-
- if (i != MAX_STATIC_PKT_NUM) {
- bcm_static_skb->pkt_use[i] = 1;
- up(&bcm_static_skb->osl_pkt_sem);
-
- skb = bcm_static_skb->skb_4k[i];
- skb->tail = skb->data + len;
- skb->len = len;
-
- return skb;
- }
- }
-
- for (i = 0; i < MAX_STATIC_PKT_NUM; i++) {
- if (bcm_static_skb->pkt_use[i + MAX_STATIC_PKT_NUM] == 0)
- break;
- }
-
- if (i != MAX_STATIC_PKT_NUM) {
- bcm_static_skb->pkt_use[i + MAX_STATIC_PKT_NUM] = 1;
- up(&bcm_static_skb->osl_pkt_sem);
- skb = bcm_static_skb->skb_8k[i];
- skb->tail = skb->data + len;
- skb->len = len;
-
- return skb;
- }
-
- up(&bcm_static_skb->osl_pkt_sem);
- printk(KERN_ERR "all static pkt in use!\n");
- return osl_pktget(osh, len);
-}
-
-void osl_pktfree_static(osl_t *osh, void *p, bool send)
-{
- int i;
-
- for (i = 0; i < MAX_STATIC_PKT_NUM * 2; i++) {
- if (p == bcm_static_skb->skb_4k[i]) {
- down(&bcm_static_skb->osl_pkt_sem);
- bcm_static_skb->pkt_use[i] = 0;
- up(&bcm_static_skb->osl_pkt_sem);
-
- return;
- }
- }
- return osl_pktfree(osh, p, send);
-}
-#endif /* defined(BRCM_FULLMAC) && defined(DHD_USE_STATIC_BUF) */
-
u32 osl_pci_read_config(osl_t *osh, uint offset, uint size)
{
uint val = 0;
if (osh)
ASSERT(osh->magic == OS_HANDLE_MAGIC);
-#if defined(BRCM_FULLMAC) && defined(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);
- printk(KERN_ERR "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 /* defined(BRCM_FULLMAC) && defined(DHD_USE_STATIC_BUF) */
-
addr = kmalloc(size, GFP_ATOMIC);
if (addr == NULL) {
if (osh)
void osl_mfree(osl_t *osh, void *addr, uint size)
{
-#if defined(BRCM_FULLMAC) && defined(DHD_USE_STATIC_BUF)
- if (bcm_static_buf) {
- if ((addr > (void *)bcm_static_buf) && ((unsigned char *)addr
- <= ((unsigned char *)
- bcm_static_buf +
- STATIC_BUF_TOTAL_LEN))) {
- int buf_idx = 0;
- buf_idx =
- ((unsigned char *)addr -
- bcm_static_buf->buf_ptr) / STATIC_BUF_SIZE;
- down(&bcm_static_buf->static_sem);
- bcm_static_buf->buf_use[buf_idx] = 0;
- up(&bcm_static_buf->static_sem);
-
- if (osh) {
- ASSERT(osh->magic == OS_HANDLE_MAGIC);
- osh->malloced -= size;
- }
- return;
- }
- }
-#endif /* defined(BRCM_FULLMAC) && defined(DHD_USE_STATIC_BUF) */
if (osh) {
ASSERT(osh->magic == OS_HANDLE_MAGIC);
osh->malloced -= size;
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