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bug #46094: moved IPv4 routing hook functions down so that they implement actual routing (source-based IPv4 routing is not affected by this change)

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sg 2016-03-05 15:52:39 +01:00
parent 52b426a343
commit d2bb569ee4
1 changed files with 13 additions and 12 deletions
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25
src/core/ipv4/ip4.c
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@ -123,6 +123,7 @@ struct netif *
ip4_route_src(const ip4_addr_t *dest, const ip4_addr_t *src)
{
if (src != NULL) {
/* when src==NULL, the hook is called from ip4_route(dest) */
struct netif *netif = LWIP_HOOK_IP4_ROUTE_SRC(dest, src);
if (netif != NULL) {
return netif;
@ -146,18 +147,6 @@ ip4_route(const ip4_addr_t *dest)
{
struct netif *netif;
#ifdef LWIP_HOOK_IP4_ROUTE_SRC
netif = LWIP_HOOK_IP4_ROUTE_SRC(dest, NULL);
if (netif != NULL) {
return netif;
}
#elif defined(LWIP_HOOK_IP4_ROUTE)
netif = LWIP_HOOK_IP4_ROUTE(dest);
if (netif != NULL) {
return netif;
}
#endif
#if LWIP_MULTICAST_TX_OPTIONS
/* Use administratively selected interface for multicast by default */
if (ip4_addr_ismulticast(dest) && ip4_default_multicast_netif) {
@ -199,6 +188,18 @@ ip4_route(const ip4_addr_t *dest)
}
#endif /* LWIP_NETIF_LOOPBACK && !LWIP_HAVE_LOOPIF */
#ifdef LWIP_HOOK_IP4_ROUTE_SRC
netif = LWIP_HOOK_IP4_ROUTE_SRC(dest, NULL);
if (netif != NULL) {
return netif;
}
#elif defined(LWIP_HOOK_IP4_ROUTE)
netif = LWIP_HOOK_IP4_ROUTE(dest);
if (netif != NULL) {
return netif;
}
#endif
if ((netif_default == NULL) || !netif_is_up(netif_default) || !netif_is_link_up(netif_default) ||
ip4_addr_isany_val(*netif_ip4_addr(netif_default))) {
/* No matching netif found and default netif is not usable.