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| author | Eric Dumazet <eric.dumazet@gmail.com> | 2011-10-18 21:00:24 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2011-10-19 03:10:46 -0400 |
| commit | 9e903e085262ffbf1fc44a17ac06058aca03524a (patch) | |
| tree | 4acefc97ba38c1733474d25c0b2053b56af97db1 /drivers/net/ethernet/chelsio/cxgb/sge.c | |
| parent | dd767856a36e00b631d65ebc4bb81b19915532d6 (diff) | |
| download | lwn-9e903e085262ffbf1fc44a17ac06058aca03524a.tar.gz lwn-9e903e085262ffbf1fc44a17ac06058aca03524a.zip | |
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/chelsio/cxgb/sge.c')
| -rw-r--r-- | drivers/net/ethernet/chelsio/cxgb/sge.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/drivers/net/ethernet/chelsio/cxgb/sge.c b/drivers/net/ethernet/chelsio/cxgb/sge.c index 0a511c4a0472..f9b602300040 100644 --- a/drivers/net/ethernet/chelsio/cxgb/sge.c +++ b/drivers/net/ethernet/chelsio/cxgb/sge.c @@ -1135,8 +1135,8 @@ static inline unsigned int compute_large_page_tx_descs(struct sk_buff *skb) len -= SGE_TX_DESC_MAX_PLEN; } for (i = 0; nfrags--; i++) { - skb_frag_t *frag = &skb_shinfo(skb)->frags[i]; - len = frag->size; + const skb_frag_t *frag = &skb_shinfo(skb)->frags[i]; + len = skb_frag_size(frag); while (len > SGE_TX_DESC_MAX_PLEN) { count++; len -= SGE_TX_DESC_MAX_PLEN; @@ -1278,9 +1278,9 @@ static inline void write_tx_descs(struct adapter *adapter, struct sk_buff *skb, } mapping = skb_frag_dma_map(&adapter->pdev->dev, frag, 0, - frag->size, DMA_TO_DEVICE); + skb_frag_size(frag), DMA_TO_DEVICE); desc_mapping = mapping; - desc_len = frag->size; + desc_len = skb_frag_size(frag); pidx = write_large_page_tx_descs(pidx, &e1, &ce, &gen, &desc_mapping, &desc_len, @@ -1290,7 +1290,7 @@ static inline void write_tx_descs(struct adapter *adapter, struct sk_buff *skb, nfrags == 0); ce->skb = NULL; dma_unmap_addr_set(ce, dma_addr, mapping); - dma_unmap_len_set(ce, dma_len, frag->size); + dma_unmap_len_set(ce, dma_len, skb_frag_size(frag)); } ce->skb = skb; wmb(); |