Skip to content

Commit

Permalink
myri10ge: use the DMA state API instead of the pci equivalents
Browse files Browse the repository at this point in the history 
This replace the PCI DMA state API (include/linux/pci-dma.h) with the
DMA equivalents since the PCI DMA state API will be obsolete.

No functional change.

For further information about the background:

http://marc.info/?l=linux-netdev&m=127037540020276&w=2

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Cc: Andrew Gallatin <gallatin@myri.com>
Cc: Brice Goglin <brice@myri.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
  • Loading branch information
FUJITA Tomonori authored and David S. Miller committed Apr 13, 2010
1 parent 64b9b41 commit c755b4b
Showing 1 changed file with 22 additions and 22 deletions.
44 changes: 22 additions & 22 deletions drivers/net/myri10ge/myri10ge.c
View file
Original file line number Diff line number Diff line change
Expand Up @@ -110,15 +110,15 @@ MODULE_LICENSE("Dual BSD/GPL");
struct myri10ge_rx_buffer_state {
struct page *page;
int page_offset;
DECLARE_PCI_UNMAP_ADDR(bus)
DECLARE_PCI_UNMAP_LEN(len)
DEFINE_DMA_UNMAP_ADDR(bus);
DEFINE_DMA_UNMAP_LEN(len);
};

struct myri10ge_tx_buffer_state {
struct sk_buff *skb;
int last;
DECLARE_PCI_UNMAP_ADDR(bus)
DECLARE_PCI_UNMAP_LEN(len)
DEFINE_DMA_UNMAP_ADDR(bus);
DEFINE_DMA_UNMAP_LEN(len);
};

struct myri10ge_cmd {
Expand Down Expand Up @@ -1234,7 +1234,7 @@ myri10ge_alloc_rx_pages(struct myri10ge_priv *mgp, struct myri10ge_rx_buf *rx,
rx->info[idx].page_offset = rx->page_offset;
/* note that this is the address of the start of the
* page */
pci_unmap_addr_set(&rx->info[idx], bus, rx->bus);
dma_unmap_addr_set(&rx->info[idx], bus, rx->bus);
rx->shadow[idx].addr_low =
htonl(MYRI10GE_LOWPART_TO_U32(rx->bus) + rx->page_offset);
rx->shadow[idx].addr_high =
Expand Down Expand Up @@ -1266,7 +1266,7 @@ myri10ge_unmap_rx_page(struct pci_dev *pdev,
/* unmap the recvd page if we're the only or last user of it */
if (bytes >= MYRI10GE_ALLOC_SIZE / 2 ||
(info->page_offset + 2 * bytes) > MYRI10GE_ALLOC_SIZE) {
pci_unmap_page(pdev, (pci_unmap_addr(info, bus)
pci_unmap_page(pdev, (dma_unmap_addr(info, bus)
& ~(MYRI10GE_ALLOC_SIZE - 1)),
MYRI10GE_ALLOC_SIZE, PCI_DMA_FROMDEVICE);
}
Expand Down Expand Up @@ -1373,21 +1373,21 @@ myri10ge_tx_done(struct myri10ge_slice_state *ss, int mcp_index)
tx->info[idx].last = 0;
}
tx->done++;
len = pci_unmap_len(&tx->info[idx], len);
pci_unmap_len_set(&tx->info[idx], len, 0);
len = dma_unmap_len(&tx->info[idx], len);
dma_unmap_len_set(&tx->info[idx], len, 0);
if (skb) {
ss->stats.tx_bytes += skb->len;
ss->stats.tx_packets++;
dev_kfree_skb_irq(skb);
if (len)
pci_unmap_single(pdev,
pci_unmap_addr(&tx->info[idx],
dma_unmap_addr(&tx->info[idx],
bus), len,
PCI_DMA_TODEVICE);
} else {
if (len)
pci_unmap_page(pdev,
pci_unmap_addr(&tx->info[idx],
dma_unmap_addr(&tx->info[idx],
bus), len,
PCI_DMA_TODEVICE);
}
Expand Down Expand Up @@ -2094,20 +2094,20 @@ static void myri10ge_free_rings(struct myri10ge_slice_state *ss)
/* Mark as free */
tx->info[idx].skb = NULL;
tx->done++;
len = pci_unmap_len(&tx->info[idx], len);
pci_unmap_len_set(&tx->info[idx], len, 0);
len = dma_unmap_len(&tx->info[idx], len);
dma_unmap_len_set(&tx->info[idx], len, 0);
if (skb) {
ss->stats.tx_dropped++;
dev_kfree_skb_any(skb);
if (len)
pci_unmap_single(mgp->pdev,
pci_unmap_addr(&tx->info[idx],
dma_unmap_addr(&tx->info[idx],
bus), len,
PCI_DMA_TODEVICE);
} else {
if (len)
pci_unmap_page(mgp->pdev,
pci_unmap_addr(&tx->info[idx],
dma_unmap_addr(&tx->info[idx],
bus), len,
PCI_DMA_TODEVICE);
}
Expand Down Expand Up @@ -2761,8 +2761,8 @@ static netdev_tx_t myri10ge_xmit(struct sk_buff *skb,
idx = tx->req & tx->mask;
tx->info[idx].skb = skb;
bus = pci_map_single(mgp->pdev, skb->data, len, PCI_DMA_TODEVICE);
pci_unmap_addr_set(&tx->info[idx], bus, bus);
pci_unmap_len_set(&tx->info[idx], len, len);
dma_unmap_addr_set(&tx->info[idx], bus, bus);
dma_unmap_len_set(&tx->info[idx], len, len);

frag_cnt = skb_shinfo(skb)->nr_frags;
frag_idx = 0;
Expand Down Expand Up @@ -2865,8 +2865,8 @@ static netdev_tx_t myri10ge_xmit(struct sk_buff *skb,
len = frag->size;
bus = pci_map_page(mgp->pdev, frag->page, frag->page_offset,
len, PCI_DMA_TODEVICE);
pci_unmap_addr_set(&tx->info[idx], bus, bus);
pci_unmap_len_set(&tx->info[idx], len, len);
dma_unmap_addr_set(&tx->info[idx], bus, bus);
dma_unmap_len_set(&tx->info[idx], len, len);
}

(req - rdma_count)->rdma_count = rdma_count;
Expand Down Expand Up @@ -2903,19 +2903,19 @@ static netdev_tx_t myri10ge_xmit(struct sk_buff *skb,
idx = tx->req & tx->mask;
tx->info[idx].skb = NULL;
do {
len = pci_unmap_len(&tx->info[idx], len);
len = dma_unmap_len(&tx->info[idx], len);
if (len) {
if (tx->info[idx].skb != NULL)
pci_unmap_single(mgp->pdev,
pci_unmap_addr(&tx->info[idx],
dma_unmap_addr(&tx->info[idx],
bus), len,
PCI_DMA_TODEVICE);
else
pci_unmap_page(mgp->pdev,
pci_unmap_addr(&tx->info[idx],
dma_unmap_addr(&tx->info[idx],
bus), len,
PCI_DMA_TODEVICE);
pci_unmap_len_set(&tx->info[idx], len, 0);
dma_unmap_len_set(&tx->info[idx], len, 0);
tx->info[idx].skb = NULL;
}
idx = (idx + 1) & tx->mask;
Expand Down

0 comments on commit c755b4b

Please sign in to comment.