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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/myricom | |
| parent | dd767856a36e00b631d65ebc4bb81b19915532d6 (diff) | |
| download | op-kernel-dev-9e903e085262ffbf1fc44a17ac06058aca03524a.zip op-kernel-dev-9e903e085262ffbf1fc44a17ac06058aca03524a.tar.gz | |
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/myricom')
| -rw-r--r-- | drivers/net/ethernet/myricom/myri10ge/myri10ge.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/drivers/net/ethernet/myricom/myri10ge/myri10ge.c b/drivers/net/ethernet/myricom/myri10ge/myri10ge.c index 2663727..c970a48 100644 --- a/drivers/net/ethernet/myricom/myri10ge/myri10ge.c +++ b/drivers/net/ethernet/myricom/myri10ge/myri10ge.c @@ -1216,7 +1216,7 @@ myri10ge_rx_skb_build(struct sk_buff *skb, u8 * va, skb_frags = skb_shinfo(skb)->frags; while (len > 0) { memcpy(skb_frags, rx_frags, sizeof(*skb_frags)); - len -= rx_frags->size; + len -= skb_frag_size(rx_frags); skb_frags++; rx_frags++; skb_shinfo(skb)->nr_frags++; @@ -1228,7 +1228,7 @@ myri10ge_rx_skb_build(struct sk_buff *skb, u8 * va, * manually */ skb_copy_to_linear_data(skb, va, hlen); skb_shinfo(skb)->frags[0].page_offset += hlen; - skb_shinfo(skb)->frags[0].size -= hlen; + skb_frag_size_sub(&skb_shinfo(skb)->frags[0], hlen); skb->data_len -= hlen; skb->tail += hlen; skb_pull(skb, MXGEFW_PAD); @@ -1345,9 +1345,9 @@ myri10ge_rx_done(struct myri10ge_slice_state *ss, int len, __wsum csum, __skb_frag_set_page(&rx_frags[i], rx->info[idx].page); rx_frags[i].page_offset = rx->info[idx].page_offset; if (remainder < MYRI10GE_ALLOC_SIZE) - rx_frags[i].size = remainder; + skb_frag_size_set(&rx_frags[i], remainder); else - rx_frags[i].size = MYRI10GE_ALLOC_SIZE; + skb_frag_size_set(&rx_frags[i], MYRI10GE_ALLOC_SIZE); rx->cnt++; idx = rx->cnt & rx->mask; remainder -= MYRI10GE_ALLOC_SIZE; @@ -1355,7 +1355,7 @@ myri10ge_rx_done(struct myri10ge_slice_state *ss, int len, __wsum csum, if (lro_enabled) { rx_frags[0].page_offset += MXGEFW_PAD; - rx_frags[0].size -= MXGEFW_PAD; + skb_frag_size_sub(&rx_frags[0], MXGEFW_PAD); len -= MXGEFW_PAD; lro_receive_frags(&ss->rx_done.lro_mgr, rx_frags, /* opaque, will come back in get_frag_header */ @@ -1382,7 +1382,7 @@ myri10ge_rx_done(struct myri10ge_slice_state *ss, int len, __wsum csum, /* Attach the pages to the skb, and trim off any padding */ myri10ge_rx_skb_build(skb, va, rx_frags, len, hlen); - if (skb_shinfo(skb)->frags[0].size <= 0) { + if (skb_frag_size(&skb_shinfo(skb)->frags[0]) <= 0) { skb_frag_unref(skb, 0); skb_shinfo(skb)->nr_frags = 0; } @@ -2926,7 +2926,7 @@ again: idx = (count + tx->req) & tx->mask; frag = &skb_shinfo(skb)->frags[frag_idx]; frag_idx++; - len = frag->size; + len = skb_frag_size(frag); bus = skb_frag_dma_map(&mgp->pdev->dev, frag, 0, len, DMA_TO_DEVICE); dma_unmap_addr_set(&tx->info[idx], bus, bus); |
