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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/broadcom/bnx2x/bnx2x_cmn.c | |
| parent | dd767856a36e00b631d65ebc4bb81b19915532d6 (diff) | |
| download | blackbird-op-linux-9e903e085262ffbf1fc44a17ac06058aca03524a.tar.gz blackbird-op-linux-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/broadcom/bnx2x/bnx2x_cmn.c')
| -rw-r--r-- | drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c index e575e89c7d46..dd8ee56396b2 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c @@ -2363,7 +2363,7 @@ static int bnx2x_pkt_req_lin(struct bnx2x *bp, struct sk_buff *skb, /* Calculate the first sum - it's special */ for (frag_idx = 0; frag_idx < wnd_size - 1; frag_idx++) wnd_sum += - skb_shinfo(skb)->frags[frag_idx].size; + skb_frag_size(&skb_shinfo(skb)->frags[frag_idx]); /* If there was data on linear skb data - check it */ if (first_bd_sz > 0) { @@ -2379,14 +2379,14 @@ static int bnx2x_pkt_req_lin(struct bnx2x *bp, struct sk_buff *skb, check all windows */ for (wnd_idx = 0; wnd_idx <= num_wnds; wnd_idx++) { wnd_sum += - skb_shinfo(skb)->frags[wnd_idx + wnd_size - 1].size; + skb_frag_size(&skb_shinfo(skb)->frags[wnd_idx + wnd_size - 1]); if (unlikely(wnd_sum < lso_mss)) { to_copy = 1; break; } wnd_sum -= - skb_shinfo(skb)->frags[wnd_idx].size; + skb_frag_size(&skb_shinfo(skb)->frags[wnd_idx]); } } else { /* in non-LSO too fragmented packet should always @@ -2796,8 +2796,8 @@ netdev_tx_t bnx2x_start_xmit(struct sk_buff *skb, struct net_device *dev) for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) { skb_frag_t *frag = &skb_shinfo(skb)->frags[i]; - mapping = skb_frag_dma_map(&bp->pdev->dev, frag, 0, frag->size, - DMA_TO_DEVICE); + mapping = skb_frag_dma_map(&bp->pdev->dev, frag, 0, + skb_frag_size(frag), DMA_TO_DEVICE); if (unlikely(dma_mapping_error(&bp->pdev->dev, mapping))) { DP(NETIF_MSG_TX_QUEUED, "Unable to map page - " @@ -2821,8 +2821,8 @@ netdev_tx_t bnx2x_start_xmit(struct sk_buff *skb, struct net_device *dev) tx_data_bd->addr_hi = cpu_to_le32(U64_HI(mapping)); tx_data_bd->addr_lo = cpu_to_le32(U64_LO(mapping)); - tx_data_bd->nbytes = cpu_to_le16(frag->size); - le16_add_cpu(&pkt_size, frag->size); + tx_data_bd->nbytes = cpu_to_le16(skb_frag_size(frag)); + le16_add_cpu(&pkt_size, skb_frag_size(frag)); nbd++; DP(NETIF_MSG_TX_QUEUED, |
