* "h/skgeinit.h"
* "h/skaddr.h"
* "h/skgesirq.h"
- * "h/skcsum.h"
* "h/skrlmt.h"
*
******************************************************************************/
#include "h/skversion.h"
+#include <linux/in.h>
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/init.h>
#include <linux/proc_fs.h>
#include <linux/dma-mapping.h>
+#include <linux/ip.h>
#include "h/skdrv1st.h"
#include "h/skdrv2nd.h"
return(-EAGAIN);
}
- SkCsSetReceiveFlags(pAC,
- SKCS_PROTO_IP | SKCS_PROTO_TCP | SKCS_PROTO_UDP,
- &pAC->CsOfs1, &pAC->CsOfs2, 0);
- pAC->CsOfs = (pAC->CsOfs2 << 16) | pAC->CsOfs1;
-
BoardInitMem(pAC);
/* tschilling: New common function with minimum size check. */
DualNet = SK_FALSE;
/* set the pointers right */
pDescr->VNextRxd = VNextDescr & 0xffffffffULL;
pDescr->pNextRxd = pNextDescr;
- pDescr->TcpSumStarts = pAC->CsOfs;
+ if (!IsTx) pDescr->TcpSumStarts = ETH_HLEN << 16 | ETH_HLEN;
/* advance one step */
pPrevDescr = pDescr;
TXD *pOldTxd;
unsigned long Flags;
SK_U64 PhysAddr;
- int Protocol;
- int IpHeaderLength;
int BytesSend = pMessage->len;
SK_DBG_MSG(NULL, SK_DBGMOD_DRV, SK_DBGCAT_DRV_TX_PROGRESS, ("X"));
pTxd->pMBuf = pMessage;
if (pMessage->ip_summed == CHECKSUM_HW) {
- Protocol = ((SK_U8)pMessage->data[C_OFFSET_IPPROTO] & 0xff);
- if ((Protocol == C_PROTO_ID_UDP) &&
+ u16 hdrlen = pMessage->h.raw - pMessage->data;
+ u16 offset = hdrlen + pMessage->csum;
+
+ if ((pMessage->h.ipiph->protocol == IPPROTO_UDP ) &&
(pAC->GIni.GIChipRev == 0) &&
(pAC->GIni.GIChipId == CHIP_ID_YUKON)) {
pTxd->TBControl = BMU_TCP_CHECK;
pTxd->TBControl = BMU_UDP_CHECK;
}
- IpHeaderLength = (SK_U8)pMessage->data[C_OFFSET_IPHEADER];
- IpHeaderLength = (IpHeaderLength & 0xf) * 4;
- pTxd->TcpSumOfs = 0; /* PH-Checksum already calculated */
- pTxd->TcpSumSt = C_LEN_ETHERMAC_HEADER + IpHeaderLength +
- (Protocol == C_PROTO_ID_UDP ?
- C_OFFSET_UDPHEADER_UDPCS :
- C_OFFSET_TCPHEADER_TCPCS);
- pTxd->TcpSumWr = C_LEN_ETHERMAC_HEADER + IpHeaderLength;
+ pTxd->TcpSumOfs = 0;
+ pTxd->TcpSumSt = hdrlen;
+ pTxd->TcpSumWr = offset;
pTxd->TBControl |= BMU_OWN | BMU_STF |
BMU_SW | BMU_EOF |
TXD *pTxdLst;
int CurrFrag;
int BytesSend;
- int IpHeaderLength;
- int Protocol;
skb_frag_t *sk_frag;
SK_U64 PhysAddr;
unsigned long Flags;
+ SK_U32 Control;
spin_lock_irqsave(&pTxPort->TxDesRingLock, Flags);
#ifndef USE_TX_COMPLETE
pTxdFst = pTxd;
pTxdLst = pTxd;
BytesSend = 0;
- Protocol = 0;
/*
** Map the first fragment (header) into the DMA-space
** Does the HW need to evaluate checksum for TCP or UDP packets?
*/
if (pMessage->ip_summed == CHECKSUM_HW) {
- pTxd->TBControl = BMU_STF | BMU_STFWD | skb_headlen(pMessage);
+ u16 hdrlen = pMessage->h.raw - pMessage->data;
+ u16 offset = hdrlen + pMessage->csum;
+
+ Control = BMU_STFWD;
+
/*
** We have to use the opcode for tcp here, because the
** opcode for udp is not working in the hardware yet
** (Revision 2.0)
*/
- Protocol = ((SK_U8)pMessage->data[C_OFFSET_IPPROTO] & 0xff);
- if ((Protocol == C_PROTO_ID_UDP) &&
+ if ((pMessage->h.ipiph->protocol == IPPROTO_UDP ) &&
(pAC->GIni.GIChipRev == 0) &&
(pAC->GIni.GIChipId == CHIP_ID_YUKON)) {
- pTxd->TBControl |= BMU_TCP_CHECK;
+ Control |= BMU_TCP_CHECK;
} else {
- pTxd->TBControl |= BMU_UDP_CHECK;
+ Control |= BMU_UDP_CHECK;
}
- IpHeaderLength = ((SK_U8)pMessage->data[C_OFFSET_IPHEADER] & 0xf)*4;
- pTxd->TcpSumOfs = 0; /* PH-Checksum already claculated */
- pTxd->TcpSumSt = C_LEN_ETHERMAC_HEADER + IpHeaderLength +
- (Protocol == C_PROTO_ID_UDP ?
- C_OFFSET_UDPHEADER_UDPCS :
- C_OFFSET_TCPHEADER_TCPCS);
- pTxd->TcpSumWr = C_LEN_ETHERMAC_HEADER + IpHeaderLength;
- } else {
- pTxd->TBControl = BMU_CHECK | BMU_SW | BMU_STF |
- skb_headlen(pMessage);
- }
+ pTxd->TcpSumOfs = 0;
+ pTxd->TcpSumSt = hdrlen;
+ pTxd->TcpSumWr = offset;
+ } else
+ Control = BMU_CHECK | BMU_SW;
+
+ pTxd->TBControl = BMU_STF | Control | skb_headlen(pMessage);
pTxd = pTxd->pNextTxd;
pTxPort->TxdRingFree--;
pTxd->VDataHigh = (SK_U32) (PhysAddr >> 32);
pTxd->pMBuf = pMessage;
- /*
- ** Does the HW need to evaluate checksum for TCP or UDP packets?
- */
- if (pMessage->ip_summed == CHECKSUM_HW) {
- pTxd->TBControl = BMU_OWN | BMU_SW | BMU_STFWD;
- /*
- ** We have to use the opcode for tcp here because the
- ** opcode for udp is not working in the hardware yet
- ** (revision 2.0)
- */
- if ((Protocol == C_PROTO_ID_UDP) &&
- (pAC->GIni.GIChipRev == 0) &&
- (pAC->GIni.GIChipId == CHIP_ID_YUKON)) {
- pTxd->TBControl |= BMU_TCP_CHECK;
- } else {
- pTxd->TBControl |= BMU_UDP_CHECK;
- }
- } else {
- pTxd->TBControl = BMU_CHECK | BMU_SW | BMU_OWN;
- }
+ pTxd->TBControl = Control | BMU_OWN | sk_frag->size;;
/*
** Do we have the last fragment?
*/
if( (CurrFrag+1) == skb_shinfo(pMessage)->nr_frags ) {
#ifdef USE_TX_COMPLETE
- pTxd->TBControl |= BMU_EOF | BMU_IRQ_EOF | sk_frag->size;
+ pTxd->TBControl |= BMU_EOF | BMU_IRQ_EOF;
#else
- pTxd->TBControl |= BMU_EOF | sk_frag->size;
+ pTxd->TBControl |= BMU_EOF;
#endif
pTxdFst->TBControl |= BMU_OWN | BMU_SW;
-
- } else {
- pTxd->TBControl |= sk_frag->size;
}
pTxdLst = pTxd;
pTxd = pTxd->pNextTxd;
struct sk_buff *pMsg; /* pointer to message holding frame */
struct sk_buff *pNewMsg; /* pointer to a new message for copying frame */
int FrameLength; /* total length of received frame */
-int IpFrameLength;
SK_MBUF *pRlmtMbuf; /* ptr to a buffer for giving a frame to rlmt */
SK_EVPARA EvPara; /* an event parameter union */
unsigned long Flags; /* for spin lock */
SK_BOOL IsBadFrame; /* Bad frame */
SK_U32 FrameStat;
-unsigned short Csum1;
-unsigned short Csum2;
-unsigned short Type;
-int Result;
SK_U64 PhysAddr;
rx_start:
(dma_addr_t) PhysAddr,
FrameLength,
PCI_DMA_FROMDEVICE);
- eth_copy_and_sum(pNewMsg, pMsg->data,
- FrameLength, 0);
+ memcpy(pNewMsg->data, pMsg, FrameLength);
+
pci_dma_sync_single_for_device(pAC->PciDev,
(dma_addr_t) PhysAddr,
FrameLength,
/* set length in message */
skb_put(pMsg, FrameLength);
- /* hardware checksum */
- Type = ntohs(*((short*)&pMsg->data[12]));
+ } /* frame > SK_COPY_TRESHOLD */
#ifdef USE_SK_RX_CHECKSUM
- if (Type == 0x800) {
- Csum1=le16_to_cpu(pRxd->TcpSums & 0xffff);
- Csum2=le16_to_cpu((pRxd->TcpSums >> 16) & 0xffff);
- IpFrameLength = (int) ntohs((unsigned short)
- ((unsigned short *) pMsg->data)[8]);
-
- /*
- * Test: If frame is padded, a check is not possible!
- * Frame not padded? Length difference must be 14 (0xe)!
- */
- if ((FrameLength - IpFrameLength) != 0xe) {
- /* Frame padded => TCP offload not possible! */
- pMsg->ip_summed = CHECKSUM_NONE;
- } else {
- /* Frame not padded => TCP offload! */
- if ((((Csum1 & 0xfffe) && (Csum2 & 0xfffe)) &&
- (pAC->GIni.GIChipId == CHIP_ID_GENESIS)) ||
- (pAC->ChipsetType)) {
- Result = SkCsGetReceiveInfo(pAC,
- &pMsg->data[14],
- Csum1, Csum2, pRxPort->PortIndex);
- if (Result ==
- SKCS_STATUS_IP_FRAGMENT ||
- Result ==
- SKCS_STATUS_IP_CSUM_OK ||
- Result ==
- SKCS_STATUS_TCP_CSUM_OK ||
- Result ==
- SKCS_STATUS_UDP_CSUM_OK) {
- pMsg->ip_summed =
- CHECKSUM_UNNECESSARY;
- }
- else if (Result ==
- SKCS_STATUS_TCP_CSUM_ERROR ||
- Result ==
- SKCS_STATUS_UDP_CSUM_ERROR ||
- Result ==
- SKCS_STATUS_IP_CSUM_ERROR_UDP ||
- Result ==
- SKCS_STATUS_IP_CSUM_ERROR_TCP ||
- Result ==
- SKCS_STATUS_IP_CSUM_ERROR ) {
- /* HW Checksum error */
- SK_DBG_MSG(NULL, SK_DBGMOD_DRV,
- SK_DBGCAT_DRV_RX_PROGRESS,
- ("skge: CRC error. Frame dropped!\n"));
- goto rx_failed;
- } else {
- pMsg->ip_summed =
- CHECKSUM_NONE;
- }
- }/* checksumControl calculation valid */
- } /* Frame length check */
- } /* IP frame */
+ pMsg->csum = pRxd->TcpSums & 0xffff;
+ pMsg->ip_summed = CHECKSUM_HW;
#else
- pMsg->ip_summed = CHECKSUM_NONE;
+ pMsg->ip_summed = CHECKSUM_NONE;
#endif
- } /* frame > SK_COPY_TRESHOLD */
-
+
+
SK_DBG_MSG(NULL, SK_DBGMOD_DRV, 1,("V"));
ForRlmt = SK_RLMT_RX_PROTOCOL;
#if 0
dev->irq = pdev->irq;
error = SkGeInitPCI(pAC);
if (error) {
- printk("SKGE: PCI setup failed: %i\n", error);
+ printk(KERN_ERR "sk98lin: PCI setup failed: %i\n", error);
goto out_free_netdev;
}
/* Register net device */
if (register_netdev(dev)) {
- printk(KERN_ERR "SKGE: Could not register device.\n");
+ printk(KERN_ERR "sk98lin: Could not register device.\n");
goto out_free_resources;
}
SkGeYellowLED(pAC, pAC->IoBase, 1);
-
memcpy(&dev->dev_addr, &pAC->Addr.Net[0].CurrentMacAddress, 6);
+ memcpy(dev->perm_addr, dev->dev_addr, dev->addr_len);
SkGeProcCreate(dev);
#endif
if (register_netdev(dev)) {
- printk(KERN_ERR "SKGE: Could not register device.\n");
+ printk(KERN_ERR "sk98lin: Could not register device for seconf port.\n");
free_netdev(dev);
pAC->dev[1] = pAC->dev[0];
} else {
SkGeProcCreate(dev);
memcpy(&dev->dev_addr,
&pAC->Addr.Net[1].CurrentMacAddress, 6);
+ memcpy(dev->perm_addr, dev->dev_addr, dev->addr_len);
printk("%s: %s\n", dev->name, pAC->DeviceStr);
printk(" PrefPort:B RlmtMode:Dual Check Link State\n");
git://bbs.cooldavid.org / net-next-2.6.git / blobdiff