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ip: introduce ip_is_fragment helper inline function

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There are enough instances of this:

    iph->frag_off & htons(IP_MF | IP_OFFSET)

that a helper function is probably warranted.

Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Paul Gortmaker
2011-06-21 20:33:34 -07:00
committed by David S. Miller
parent f470e5ae34
commit 56f8a75c17
19 changed files with 27 additions and 23 deletions
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4
net/sched/cls_flow.c
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@ -121,7 +121,7 @@ static u32 flow_get_proto_src(struct sk_buff *skb)
if (!pskb_network_may_pull(skb, sizeof(*iph)))
break;
iph = ip_hdr(skb);
if (iph->frag_off & htons(IP_MF | IP_OFFSET))
if (ip_is_fragment(iph))
break;
poff = proto_ports_offset(iph->protocol);
if (poff >= 0 &&
@ -163,7 +163,7 @@ static u32 flow_get_proto_dst(struct sk_buff *skb)
if (!pskb_network_may_pull(skb, sizeof(*iph)))
break;
iph = ip_hdr(skb);
if (iph->frag_off & htons(IP_MF | IP_OFFSET))
if (ip_is_fragment(iph))
break;
poff = proto_ports_offset(iph->protocol);
if (poff >= 0 &&