struct sh_eth_txdesc *txdesc = NULL;
int rx_ringsize = sizeof(*rxdesc) * mdp->num_rx_ring;
int tx_ringsize = sizeof(*txdesc) * mdp->num_tx_ring;
- int skbuff_size = mdp->rx_buf_sz + SH_ETH_RX_ALIGN - 1;
+ int skbuff_size = mdp->rx_buf_sz + SH_ETH_RX_ALIGN + 32 - 1;
dma_addr_t dma_addr;
mdp->cur_rx = 0;
/* RX descriptor */
rxdesc = &mdp->rx_ring[i];
- /* The size of the buffer is a multiple of 16 bytes. */
- rxdesc->buffer_length = ALIGN(mdp->rx_buf_sz, 16);
+ /* The size of the buffer is a multiple of 32 bytes. */
+ rxdesc->buffer_length = ALIGN(mdp->rx_buf_sz, 32);
dma_addr = dma_map_single(&ndev->dev, skb->data,
rxdesc->buffer_length,
DMA_FROM_DEVICE);
mdp->dirty_rx = (u32) (i - mdp->num_rx_ring);
/* Mark the last entry as wrapping the ring. */
- rxdesc->status |= cpu_to_edmac(mdp, RD_RDEL);
+ rxdesc->status |= cpu_to_edmac(mdp, RD_RDLE);
memset(mdp->tx_ring, 0, tx_ringsize);
mdp->rx_buf_sz += NET_IP_ALIGN;
/* Allocate RX and TX skb rings */
- mdp->rx_skbuff = kmalloc_array(mdp->num_rx_ring,
- sizeof(*mdp->rx_skbuff), GFP_KERNEL);
+ mdp->rx_skbuff = kcalloc(mdp->num_rx_ring, sizeof(*mdp->rx_skbuff),
+ GFP_KERNEL);
if (!mdp->rx_skbuff) {
ret = -ENOMEM;
return ret;
}
- mdp->tx_skbuff = kmalloc_array(mdp->num_tx_ring,
- sizeof(*mdp->tx_skbuff), GFP_KERNEL);
+ mdp->tx_skbuff = kcalloc(mdp->num_tx_ring, sizeof(*mdp->tx_skbuff),
+ GFP_KERNEL);
if (!mdp->tx_skbuff) {
ret = -ENOMEM;
goto skb_ring_free;
GFP_KERNEL);
if (!mdp->rx_ring) {
ret = -ENOMEM;
- goto desc_ring_free;
+ goto skb_ring_free;
}
mdp->dirty_rx = 0;
if (txdesc->status & cpu_to_edmac(mdp, TD_TACT))
break;
/* TACT bit must be checked before all the following reads */
- rmb();
+ dma_rmb();
netif_info(mdp, tx_done, ndev,
"tx entry %d status 0x%08x\n",
entry, edmac_to_cpu(mdp, txdesc->status));
struct sk_buff *skb;
u16 pkt_len = 0;
u32 desc_status;
- int skbuff_size = mdp->rx_buf_sz + SH_ETH_RX_ALIGN - 1;
+ int skbuff_size = mdp->rx_buf_sz + SH_ETH_RX_ALIGN + 32 - 1;
dma_addr_t dma_addr;
boguscnt = min(boguscnt, *quota);
rxdesc = &mdp->rx_ring[entry];
while (!(rxdesc->status & cpu_to_edmac(mdp, RD_RACT))) {
/* RACT bit must be checked before all the following reads */
- rmb();
+ dma_rmb();
desc_status = edmac_to_cpu(mdp, rxdesc->status);
pkt_len = rxdesc->frame_length;
if (mdp->cd->rpadir)
skb_reserve(skb, NET_IP_ALIGN);
dma_unmap_single(&ndev->dev, rxdesc->addr,
- ALIGN(mdp->rx_buf_sz, 16),
+ ALIGN(mdp->rx_buf_sz, 32),
DMA_FROM_DEVICE);
skb_put(skb, pkt_len);
skb->protocol = eth_type_trans(skb, ndev);
for (; mdp->cur_rx - mdp->dirty_rx > 0; mdp->dirty_rx++) {
entry = mdp->dirty_rx % mdp->num_rx_ring;
rxdesc = &mdp->rx_ring[entry];
- /* The size of the buffer is 16 byte boundary. */
- rxdesc->buffer_length = ALIGN(mdp->rx_buf_sz, 16);
+ /* The size of the buffer is 32 byte boundary. */
+ rxdesc->buffer_length = ALIGN(mdp->rx_buf_sz, 32);
if (mdp->rx_skbuff[entry] == NULL) {
skb = netdev_alloc_skb(ndev, skbuff_size);
skb_checksum_none_assert(skb);
rxdesc->addr = dma_addr;
}
- wmb(); /* RACT bit must be set after all the above writes */
+ dma_wmb(); /* RACT bit must be set after all the above writes */
if (entry >= mdp->num_rx_ring - 1)
rxdesc->status |=
- cpu_to_edmac(mdp, RD_RACT | RD_RFP | RD_RDEL);
+ cpu_to_edmac(mdp, RD_RACT | RD_RFP | RD_RDLE);
else
rxdesc->status |=
cpu_to_edmac(mdp, RD_RACT | RD_RFP);
}
txdesc->buffer_length = skb->len;
- wmb(); /* TACT bit must be set after all the above writes */
+ dma_wmb(); /* TACT bit must be set after all the above writes */
if (entry >= mdp->num_tx_ring - 1)
txdesc->status |= cpu_to_edmac(mdp, TD_TACT | TD_TDLE);
else