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net: add skb frag size accessors

Bladeren bron 
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>
This commit is contained in:
Eric Dumazet
2011-10-18 21:00:24 +00:00
gecommit door David S. Miller
bovenliggende dd767856a3
commit 9e903e0852
87 gewijzigde bestanden met toevoegingen van 387 en 357 verwijderingen
Download Patch-bestand Download Diff-bestand Expand all files Collapse all files

6
drivers/net/ethernet/qlogic/qlge/qlge_main.c
Bestand weergeven

@@ -1431,7 +1431,7 @@ static int ql_map_send(struct ql_adapter *qdev,
map_idx++;
}
map = skb_frag_dma_map(&qdev->pdev->dev, frag, 0, frag->size,
map = skb_frag_dma_map(&qdev->pdev->dev, frag, 0, skb_frag_size(frag),
DMA_TO_DEVICE);
err = dma_mapping_error(&qdev->pdev->dev, map);
@@ -1443,10 +1443,10 @@ static int ql_map_send(struct ql_adapter *qdev,
}
tbd->addr = cpu_to_le64(map);
tbd->len = cpu_to_le32(frag->size);
tbd->len = cpu_to_le32(skb_frag_size(frag));
dma_unmap_addr_set(&tx_ring_desc->map[map_idx], mapaddr, map);
dma_unmap_len_set(&tx_ring_desc->map[map_idx], maplen,
frag->size);
skb_frag_size(frag));
}
/* Save the number of segments we've mapped. */