mirror/lwip
1
0
Fork 0
mirror of https://github.com/lwip-tcpip/lwip.git synced 2024-07-07 13:29:19 +00:00
Code Issues Packages Projects Releases Wiki Activity

Enable support for IPv6 loopback

Browse Source 
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
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

17
src/core/ipv6/ip6.c
View File

@ -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);
}

8
src/core/netif.c
View File

@ -88,6 +88,12 @@ static u8_t netif_num;
static err_t netif_null_output_ip6(struct netif *netif, struct pbuf *p, ip6_addr_t *ipaddr);
#endif /* LWIP_IPV6 */
#if LWIP_IPV6
#define ipX_input(in, netif) (IP6H_V((const struct ip6_hdr *)in->payload) == 6) ? ip6_input(in, netif) : ip_input(in, netif)
#else
#define ipX_input(in, netif) ip_input(in, netif)
#endif
#if LWIP_HAVE_LOOPIF
static struct netif loop_netif;
@ -804,7 +810,7 @@ netif_poll(struct netif *netif)
snmp_add_ifinoctets(stats_if, in->tot_len);
snmp_inc_ifinucastpkts(stats_if);
/* loopback packets are always IP packets! */
if (ip_input(in, netif) != ERR_OK) {
if (ipX_input(in, netif) != ERR_OK) {
pbuf_free(in);
}
/* Don't reference the packet any more! */