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Moved common call to pbuf_header outside the switch()

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This commit is contained in:
goldsimon 2011-06-07 19:10:10 +00:00
parent 5a674f419d
commit 5b04860b8b
1 changed files with 2 additions and 4 deletions
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6
src/core/ipv4/ip4.c
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@ -477,6 +477,7 @@ ip_input(struct pbuf *p, struct netif *inp)
if (raw_input(p, inp) == 0)
#endif /* LWIP_RAW */
{
pbuf_header(p, -iphdr_hlen); /* Move to payload, no check necessary. */
switch (IPH_PROTO(iphdr)) {
#if LWIP_UDP
@ -485,27 +486,23 @@ ip_input(struct pbuf *p, struct netif *inp)
case IP_PROTO_UDPLITE:
#endif /* LWIP_UDPLITE */
snmp_inc_ipindelivers();
pbuf_header(p, -iphdr_hlen); /* Move to payload, no check necessary. */
udp_input(p, inp);
break;
#endif /* LWIP_UDP */
#if LWIP_TCP
case IP_PROTO_TCP:
snmp_inc_ipindelivers();
pbuf_header(p, -iphdr_hlen); /* Move to payload, no check necessary. */
tcp_input(p, inp);
break;
#endif /* LWIP_TCP */
#if LWIP_ICMP
case IP_PROTO_ICMP:
snmp_inc_ipindelivers();
pbuf_header(p, -iphdr_hlen); /* Move to payload, no check necessary. */
icmp_input(p, inp);
break;
#endif /* LWIP_ICMP */
#if LWIP_IGMP
case IP_PROTO_IGMP:
pbuf_header(p, -iphdr_hlen); /* Move to payload, no check necessary. */
igmp_input(p, inp, ip_current_dest_addr());
break;
#endif /* LWIP_IGMP */
@ -514,6 +511,7 @@ ip_input(struct pbuf *p, struct netif *inp)
/* send ICMP destination protocol unreachable unless is was a broadcast */
if (!ip_addr_isbroadcast(ip_current_dest_addr(), inp) &&
!ip_addr_ismulticast(ip_current_dest_addr())) {
pbuf_header(p, iphdr_hlen); /* Move to ip header, no check necessary. */
p->payload = iphdr;
icmp_dest_unreach(p, ICMP_DUR_PROTO);
}