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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 /net/core/dev.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 'net/core/dev.c')
| -rw-r--r-- | net/core/dev.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/net/core/dev.c b/net/core/dev.c index 8b6118a16b87..cbb5918e4fc5 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -3489,9 +3489,9 @@ pull: skb->data_len -= grow; skb_shinfo(skb)->frags[0].page_offset += grow; - skb_shinfo(skb)->frags[0].size -= grow; + skb_frag_size_sub(&skb_shinfo(skb)->frags[0], grow); - if (unlikely(!skb_shinfo(skb)->frags[0].size)) { + if (unlikely(!skb_frag_size(&skb_shinfo(skb)->frags[0]))) { skb_frag_unref(skb, 0); memmove(skb_shinfo(skb)->frags, skb_shinfo(skb)->frags + 1, @@ -3559,7 +3559,7 @@ void skb_gro_reset_offset(struct sk_buff *skb) !PageHighMem(skb_frag_page(&skb_shinfo(skb)->frags[0]))) { NAPI_GRO_CB(skb)->frag0 = skb_frag_address(&skb_shinfo(skb)->frags[0]); - NAPI_GRO_CB(skb)->frag0_len = skb_shinfo(skb)->frags[0].size; + NAPI_GRO_CB(skb)->frag0_len = skb_frag_size(&skb_shinfo(skb)->frags[0]); } } EXPORT_SYMBOL(skb_gro_reset_offset); |