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Enable support for IPv6 loopback

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Packets are sent through the loopback path when they are addressed to any
of the valid local IPv6 addresses.
This commit is contained in:
Jay Logue
2013-01-28 17:55:12 -08:00
committed by Simon Goldschmidt
parent 8b63a89267
commit 13e40f754c
2 changed files with 19 additions and 6 deletions
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17
src/core/ipv6/ip6.c
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@@ -802,10 +802,17 @@ ip6_output_if(struct pbuf *p, ip6_addr_t *src, ip6_addr_t *dest,
ip6_debug_print(p);
#if ENABLE_LOOPBACK
/* TODO implement loopback for v6
if (ip6_addr_cmp(dest, netif_ip6_addr(0))) {
return netif_loop_output(netif, p, dest);
}*/
{
int i;
for (i = 0; i < LWIP_IPV6_NUM_ADDRESSES; i++) {
if (ip6_addr_isvalid(netif_ip6_addr_state(netif, i)) &&
ip6_addr_cmp(dest, netif_ip6_addr(netif, i))) {
/* Packet to self, enqueue it for loopback */
LWIP_DEBUGF(IP6_DEBUG, ("netif_loop_output()\n"));
return netif_loop_output(netif, p, dest);
}
}
}
#endif /* ENABLE_LOOPBACK */
#if LWIP_IPV6_FRAG
/* don't fragment if interface has mtu set to 0 [loopif] */
@@ -814,7 +821,7 @@ ip6_output_if(struct pbuf *p, ip6_addr_t *src, ip6_addr_t *dest,
}
#endif /* LWIP_IPV6_FRAG */
LWIP_DEBUGF(IP6_DEBUG, ("netif->output_ip6()"));
LWIP_DEBUGF(IP6_DEBUG, ("netif->output_ip6()\n"));
return netif->output_ip6(netif, p, dest);
}