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net: add skb frag size accessors

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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 • committed by David S. Miller
parent dd767856a3
commit 9e903e0852
87 changed files with 387 additions and 357 deletions
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2
drivers/net/ethernet/sfc/rx.c
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@ -481,7 +481,7 @@ static void efx_rx_packet_gro(struct efx_channel *channel,
skb_frag_set_page(skb, 0, page);
skb_shinfo(skb)->frags[0].page_offset =
efx_rx_buf_offset(efx, rx_buf);
skb_shinfo(skb)->frags[0].size = rx_buf->len;
skb_frag_size_set(&skb_shinfo(skb)->frags[0], rx_buf->len);
skb_shinfo(skb)->nr_frags = 1;
skb->len = rx_buf->len;