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authorPaul Gortmaker <paul.gortmaker@windriver.com>2011-06-21 20:33:34 -0700
committerDavid S. Miller <davem@davemloft.net>2011-06-21 20:33:34 -0700
commit56f8a75c17abb854b5907f4a815dc4c3f186ba11 (patch)
tree6ba333b7668ce7dd04cddecf4f15a0a48b335991 /net/sched
parentf470e5ae34d68880a38aa79ee5c102ebc2a1aef6 (diff)
downloadblackbird-op-linux-56f8a75c17abb854b5907f4a815dc4c3f186ba11.tar.gz
blackbird-op-linux-56f8a75c17abb854b5907f4a815dc4c3f186ba11.zip
ip: introduce ip_is_fragment helper inline function
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>
Diffstat (limited to 'net/sched')
-rw-r--r--net/sched/cls_flow.c4
-rw-r--r--net/sched/cls_rsvp.h2
-rw-r--r--net/sched/sch_choke.c2
-rw-r--r--net/sched/sch_sfq.c2
4 files changed, 5 insertions, 5 deletions
diff --git a/net/sched/cls_flow.c b/net/sched/cls_flow.c
index 8ec01391d988..34533a5d1b3a 100644
--- a/net/sched/cls_flow.c
+++ b/net/sched/cls_flow.c
@@ -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 &&
diff --git a/net/sched/cls_rsvp.h b/net/sched/cls_rsvp.h
index 402c44b241a3..ed691b148384 100644
--- a/net/sched/cls_rsvp.h
+++ b/net/sched/cls_rsvp.h
@@ -167,7 +167,7 @@ restart:
dst = &nhptr->daddr;
protocol = nhptr->protocol;
xprt = ((u8 *)nhptr) + (nhptr->ihl<<2);
- if (nhptr->frag_off & htons(IP_MF | IP_OFFSET))
+ if (ip_is_fragment(nhptr))
return -1;
#endif
diff --git a/net/sched/sch_choke.c b/net/sched/sch_choke.c
index 06afbaeb4c88..3422b25df9e4 100644
--- a/net/sched/sch_choke.c
+++ b/net/sched/sch_choke.c
@@ -181,7 +181,7 @@ static bool choke_match_flow(struct sk_buff *skb1,
ip1->saddr != ip2->saddr || ip1->daddr != ip2->daddr)
return false;
- if ((ip1->frag_off | ip2->frag_off) & htons(IP_MF | IP_OFFSET))
+ if (ip_is_fragment(ip1) | ip_is_fragment(ip2))
ip_proto = 0;
off1 += ip1->ihl * 4;
off2 += ip2->ihl * 4;
diff --git a/net/sched/sch_sfq.c b/net/sched/sch_sfq.c
index b6ea6afa55b0..4536ee64383e 100644
--- a/net/sched/sch_sfq.c
+++ b/net/sched/sch_sfq.c
@@ -157,7 +157,7 @@ static unsigned int sfq_hash(struct sfq_sched_data *q, struct sk_buff *skb)
iph = ip_hdr(skb);
h = (__force u32)iph->daddr;
h2 = (__force u32)iph->saddr ^ iph->protocol;
- if (iph->frag_off & htons(IP_MF | IP_OFFSET))
+ if (ip_is_fragment(iph))
break;
poff = proto_ports_offset(iph->protocol);
if (poff >= 0 &&
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