TI_BOOL os_receivePacket(TI_HANDLE OsContext, void *pRxDesc ,void *pPacket, TI_UINT16 Length)
{
TWlanDrvIfObj *drv = (TWlanDrvIfObj *)OsContext;
unsigned char *pdata = (unsigned char *)((TI_UINT32)pPacket & ~(TI_UINT32)0x3);
rx_head_t *rx_head = (rx_head_t *)(pdata - WSPI_PAD_BYTES - RX_HEAD_LEN_ALIGNED);
struct sk_buff *skb = rx_head->skb;
#ifdef TI_DBG
if ((TI_UINT32)pPacket & 0x3) {
if ((TI_UINT32)pPacket - (TI_UINT32)skb->data != 2) {
printk("os_receivePacket() address error skb=0x%x skb->data=0x%x pPacket=0x%x !!!\n",(int)skb, (int)skb->data, (int)pPacket);
}
} else {
if ((TI_UINT32)skb->data != (TI_UINT32)pPacket) {
printk("os_receivePacket() address error skb=0x%x skb->data=0x%x pPacket=0x%x !!!\n",(int)skb, (int)skb->data, (int)pPacket);
}
}
if (Length != RX_ETH_PKT_LEN(pPacket)) {
printk("os_receivePacket() Length=%d != RX_ETH_PKT_LEN(pPacket)=%d!!!\n",(int)Length, RX_ETH_PKT_LEN(pPacket));
}
#endif
/*
printk("-->> os_receivePacket() pPacket=0x%x Length=%d skb=0x%x skb->data=0x%x skb->head=0x%x skb->len=%d\n",
(int)pPacket, (int)Length, (int)skb, (int)skb->data, (int)skb->head, (int)skb->len);
*/
/* Use skb_reserve, it updates both skb->data and skb->tail. */
skb->data = RX_ETH_PKT_DATA(pPacket);
skb->tail = skb->data;
skb_put(skb, RX_ETH_PKT_LEN(pPacket));
/*
printk("-->> os_receivePacket() skb=0x%x skb->data=0x%x skb->head=0x%x skb->len=%d\n",
(int)skb, (int)skb->data, (int)skb->head, (int)skb->len);
*/
ti_nodprintf(TIWLAN_LOG_INFO, "os_receivePacket - Received EAPOL len-%d\n", WBUF_LEN(pWbuf));
skb->dev = drv->netdev;
skb->protocol = eth_type_trans(skb, drv->netdev);
skb->ip_summed = CHECKSUM_NONE;
drv->stats.rx_packets++;
drv->stats.rx_bytes += skb->len;
/* Send the skb to the TCP stack.
* it responsibly of the Linux kernel to free the skb
*/
{
CL_TRACE_START_L1();
os_wake_lock_timeout_enable(drv);
netif_rx_ni(skb);
/* Note: Don't change this trace (needed to exclude OS processing from Rx CPU utilization) */
CL_TRACE_END_L1("tiwlan_drv.ko", "OS", "RX", "");
}
return TI_TRUE;
}
/**
* \fn wlanDrvIf_receivePacket
* \brief Receive packet from from lower level
*
*/
TI_BOOL wlanDrvIf_receivePacket(TI_HANDLE OsContext, void *pRxDesc ,void *pPacket, TI_UINT16 Length, TIntraBssBridge *pBridgeDecision)
{
TWlanDrvIfObj *drv = (TWlanDrvIfObj *)OsContext;
unsigned char *pdata = (unsigned char *)((TI_UINT32)pRxDesc & ~(TI_UINT32)0x3);
rx_head_t *rx_head = (rx_head_t *)(pdata - WSPI_PAD_BYTES - RX_HEAD_LEN_ALIGNED);
struct sk_buff *skb = rx_head->skb;
struct sk_buff *new_skb;
EIntraBssBridgeDecision eBridge = INTRA_BSS_BRIDGE_NO_BRIDGE;
skb->data = pPacket;
skb_put(skb, Length);
skb->dev = drv->netdev;
drv->stats.rx_packets++;
drv->stats.rx_bytes += skb->len;
/* Intra BSS bridge section */
if(pBridgeDecision != NULL)
{
eBridge = pBridgeDecision->eDecision;
}
if(INTRA_BSS_BRIDGE_NO_BRIDGE == eBridge)
{
/* Forward packet to network stack*/
CL_TRACE_START_L1();
skb->protocol = eth_type_trans(skb, drv->netdev);
skb->ip_summed = CHECKSUM_NONE;
netif_rx_ni(skb);
/* Note: Don't change this trace (needed to exclude OS processing from Rx CPU utilization) */
CL_TRACE_END_L1("tiwlan_drv.ko", "OS", "RX", "");
}
else if( INTRA_BSS_BRIDGE_UNICAST == eBridge)
{
/* Send packet to Tx */
TRACE2(drv->tCommon.hReport, REPORT_SEVERITY_WARNING, " wlanDrvIf_receivePacket() Unicast Bridge data=0x%x len=%d \n", RX_ETH_PKT_DATA(pPacket), RX_ETH_PKT_LEN(pPacket));
xmit_Bridge (skb, pDrvStaticHandle->netdev, pBridgeDecision);
}
else /* Broadcast/Multicast packet*/
{
/* Duplicate packet*/
new_skb = skb_clone(skb, GFP_ATOMIC);
skb->protocol = eth_type_trans(skb, drv->netdev);
skb->ip_summed = CHECKSUM_NONE;
netif_rx_ni(skb);
if(new_skb)
{
xmit_Bridge (new_skb, pDrvStaticHandle->netdev, pBridgeDecision);
}
else
{
printk (KERN_ERR "%s: skb_clone failed\n", __FUNCTION__);
return TI_FALSE;
}
}
return TI_TRUE;
}