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@@ -1098,6 +1098,7 @@ static int TLan_StartTx( struct sk_buff *skb, struct net_device *dev )
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dma_addr_t tail_list_phys;
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u8 *tail_buffer;
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unsigned long flags;
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+ unsigned int txlen;
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if ( ! priv->phyOnline ) {
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TLAN_DBG( TLAN_DEBUG_TX, "TRANSMIT: %s PHY is not ready\n",
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@@ -1108,6 +1109,7 @@ static int TLan_StartTx( struct sk_buff *skb, struct net_device *dev )
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if (skb_padto(skb, TLAN_MIN_FRAME_SIZE))
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return 0;
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+ txlen = max(skb->len, (unsigned int)TLAN_MIN_FRAME_SIZE);
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tail_list = priv->txList + priv->txTail;
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tail_list_phys = priv->txListDMA + sizeof(TLanList) * priv->txTail;
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@@ -1125,16 +1127,16 @@ static int TLan_StartTx( struct sk_buff *skb, struct net_device *dev )
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if ( bbuf ) {
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tail_buffer = priv->txBuffer + ( priv->txTail * TLAN_MAX_FRAME_SIZE );
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- skb_copy_from_linear_data(skb, tail_buffer, skb->len);
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+ skb_copy_from_linear_data(skb, tail_buffer, txlen);
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} else {
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tail_list->buffer[0].address = pci_map_single(priv->pciDev,
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- skb->data, skb->len,
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+ skb->data, txlen,
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PCI_DMA_TODEVICE);
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TLan_StoreSKB(tail_list, skb);
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}
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- tail_list->frameSize = (u16) skb->len;
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- tail_list->buffer[0].count = TLAN_LAST_BUFFER | (u32) skb->len;
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+ tail_list->frameSize = (u16) txlen;
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+ tail_list->buffer[0].count = TLAN_LAST_BUFFER | (u32) txlen;
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tail_list->buffer[1].count = 0;
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tail_list->buffer[1].address = 0;
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@@ -1431,7 +1433,9 @@ static u32 TLan_HandleTxEOF( struct net_device *dev, u16 host_int )
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if ( ! bbuf ) {
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struct sk_buff *skb = TLan_GetSKB(head_list);
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pci_unmap_single(priv->pciDev, head_list->buffer[0].address,
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- skb->len, PCI_DMA_TODEVICE);
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+ max(skb->len,
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+ (unsigned int)TLAN_MIN_FRAME_SIZE),
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+ PCI_DMA_TODEVICE);
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dev_kfree_skb_any(skb);
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head_list->buffer[8].address = 0;
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head_list->buffer[9].address = 0;
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@@ -2053,9 +2057,12 @@ static void TLan_FreeLists( struct net_device *dev )
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list = priv->txList + i;
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skb = TLan_GetSKB(list);
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if ( skb ) {
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- pci_unmap_single(priv->pciDev,
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- list->buffer[0].address, skb->len,
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- PCI_DMA_TODEVICE);
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+ pci_unmap_single(
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+ priv->pciDev,
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+ list->buffer[0].address,
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+ max(skb->len,
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+ (unsigned int)TLAN_MIN_FRAME_SIZE),
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+ PCI_DMA_TODEVICE);
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dev_kfree_skb_any( skb );
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list->buffer[8].address = 0;
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list->buffer[9].address = 0;
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