[PATCH 20/75] cassini: convert to SKB paged frag API.

Ian Campbell
2011-08-19T13:44:38Z

Cc: Grant Likely <grant.likely@secretlab.ca>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Eric Dumazet <eric.dumazet@gmail.com>
Cc: David Decotigny <decot@google.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Mike Frysinger <vapier@gentoo.org>
Cc: netdev@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Cc: devicetree-discuss@lists.ozlabs.org
---
drivers/net/cassini.c | 15 +++++++--------
1 files changed, 7 insertions(+), 8 deletions(-)

diff --git a/drivers/net/cassini.c b/drivers/net/cassini.c
index 646c86b..de5c7590 100644
--- a/drivers/net/cassini.c
+++ b/drivers/net/cassini.c
@@ -2048,8 +2048,8 @@ static int cas_rx_process_pkt(struct cas *cp, struct cas_rx_comp *rxc,
skb->truesize += hlen - swivel;
skb->len += hlen - swivel;

- get_page(page->buffer);
- frag->page = page->buffer;
+ __skb_frag_set_page(frag, page->buffer);
+ __skb_frag_ref(frag);
frag->page_offset = off;
frag->size = hlen - swivel;

@@ -2072,8 +2072,8 @@ static int cas_rx_process_pkt(struct cas *cp, struct cas_rx_comp *rxc,
skb->len += hlen;
frag++;

- get_page(page->buffer);
- frag->page = page->buffer;
+ __skb_frag_set_page(frag, page->buffer);
+ __skb_frag_ref(frag);
frag->page_offset = 0;
frag->size = hlen;
RX_USED_ADD(page, hlen + cp->crc_size);
@@ -2830,9 +2830,8 @@ static inline int cas_xmit_tx_ringN(struct cas *cp, int ring,
skb_frag_t *fragp = &skb_shinfo(skb)->frags[frag];

len = fragp->size;
- mapping = pci_map_page(cp->pdev, fragp->page,
- fragp->page_offset, len,
- PCI_DMA_TODEVICE);
+ mapping = skb_frag_dma_map(&cp->pdev->dev, fragp, 0, len,
+ PCI_DMA_TODEVICE);

tabort = cas_calc_tabort(cp, fragp->page_offset, len);
if (unlikely(tabort)) {
@@ -2843,7 +2842,7 @@ static inline int cas_xmit_tx_ringN(struct cas *cp, int ring,
ctrl, 0);
entry = TX_DESC_NEXT(ring, entry);

- addr = cas_page_map(fragp->page);
+ addr = cas_page_map(skb_frag_page(fragp));
memcpy(tx_tiny_buf(cp, ring, entry),
addr + fragp->page_offset + len - tabort,
tabort);
--
1.7.2.5