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authorEric Dumazet <eric.dumazet@gmail.com>2011-10-18 21:00:24 +0000
committerDavid S. Miller <davem@davemloft.net>2011-10-19 03:10:46 -0400
commit9e903e085262ffbf1fc44a17ac06058aca03524a (patch)
tree4acefc97ba38c1733474d25c0b2053b56af97db1 /drivers/net/ethernet/sfc/tx.c
parentdd767856a36e00b631d65ebc4bb81b19915532d6 (diff)
net: add skb frag size accessors
To ease skb->truesize sanitization, its better to be able to localize all references to skb frags size. Define accessors : skb_frag_size() to fetch frag size, and skb_frag_size_{set|add|sub}() to manipulate it. Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/sfc/tx.c')
-rw-r--r--drivers/net/ethernet/sfc/tx.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/net/ethernet/sfc/tx.c b/drivers/net/ethernet/sfc/tx.c
index 3964a62dde8b..df88c5430f95 100644
--- a/drivers/net/ethernet/sfc/tx.c
+++ b/drivers/net/ethernet/sfc/tx.c
@@ -238,7 +238,7 @@ netdev_tx_t efx_enqueue_skb(struct efx_tx_queue *tx_queue, struct sk_buff *skb)
if (i >= skb_shinfo(skb)->nr_frags)
break;
fragment = &skb_shinfo(skb)->frags[i];
- len = fragment->size;
+ len = skb_frag_size(fragment);
i++;
/* Map for DMA */
unmap_single = false;
@@ -926,11 +926,11 @@ static int tso_get_fragment(struct tso_state *st, struct efx_nic *efx,
skb_frag_t *frag)
{
st->unmap_addr = skb_frag_dma_map(&efx->pci_dev->dev, frag, 0,
- frag->size, DMA_TO_DEVICE);
+ skb_frag_size(frag), DMA_TO_DEVICE);
if (likely(!dma_mapping_error(&efx->pci_dev->dev, st->unmap_addr))) {
st->unmap_single = false;
- st->unmap_len = frag->size;
- st->in_len = frag->size;
+ st->unmap_len = skb_frag_size(frag);
+ st->in_len = skb_frag_size(frag);
st->dma_addr = st->unmap_addr;
return 0;
}