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Fixed bug bug #27345: "ip_frag() does not use the LWIP_NETIF_LOOPBACK function" by checking for loopback before calling ip_frag

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goldsimon 2009-08-30 20:52:43 +00:00
parent 8a7c1c4926
commit bd2bc2ee14
2 changed files with 15 additions and 14 deletions
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4
CHANGELOG
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@ -39,6 +39,10 @@ HISTORY
++ Bugfixes:
2009-08-30 Simon Goldschmidt
* ip.c: Fixed bug bug #27345: "ip_frag() does not use the LWIP_NETIF_LOOPBACK
function" by checking for loopback before calling ip_frag
2009-08-25 Simon Goldschmidt
* dhcp.c: fixed invalid dependency to etharp_query if DHCP_DOES_ARP_CHECK==0

25
src/core/ipv4/ip.c
View File

@ -603,30 +603,27 @@ err_t ip_output_if_opt(struct pbuf *p, struct ip_addr *src, struct ip_addr *dest
dest = &(iphdr->dest);
}
#if IP_FRAG
/* don't fragment if interface has mtu set to 0 [loopif] */
if (netif->mtu && (p->tot_len > netif->mtu))
return ip_frag(p,netif,dest);
#endif
IP_STATS_INC(ip.xmit);
LWIP_DEBUGF(IP_DEBUG, ("ip_output_if: %c%c%"U16_F"\n", netif->name[0], netif->name[1], netif->num));
ip_debug_print(p);
#if (LWIP_NETIF_LOOPBACK || LWIP_HAVE_LOOPIF)
#if ENABLE_LOOPBACK
if (ip_addr_cmp(dest, &netif->ip_addr)) {
/* Packet to self, enqueue it for loopback */
LWIP_DEBUGF(IP_DEBUG, ("netif_loop_output()"));
return netif_loop_output(netif, p, dest);
} else
#endif /* (LWIP_NETIF_LOOPBACK || LWIP_HAVE_LOOPIF) */
{
LWIP_DEBUGF(IP_DEBUG, ("netif->output()"));
return netif->output(netif, p, dest);
}
#endif /* ENABLE_LOOPBACK */
#if IP_FRAG
/* don't fragment if interface has mtu set to 0 [loopif] */
if (netif->mtu && (p->tot_len > netif->mtu)) {
return ip_frag(p,netif,dest);
}
#endif
LWIP_DEBUGF(IP_DEBUG, ("netif->output()"));
return netif->output(netif, p, dest);
}
/**