/**
* Leave a group on a network interface.
*
* @param srcaddr ipv6 address of the network interface which should
* leave the group. If IP6_ISANY, leave on all netifs
* @param groupaddr the ipv6 address of the group to leave
* @return ERR_OK if group was left on the netif(s), an err_t otherwise
*/
err_t
mld6_leavegroup(const ip6_addr_t *srcaddr, const ip6_addr_t *groupaddr)
{
err_t err = ERR_VAL; /* no matching interface */
struct mld_group *group;
struct netif *netif;
u8_t match;
u8_t i;
/* loop through netif's */
netif = netif_list;
while (netif != NULL) {
/* Should we leave this interface ? */
match = 0;
if (ip6_addr_isany(srcaddr)) {
match = 1;
}
else {
for (i = 0; i < LWIP_IPV6_NUM_ADDRESSES; i++) {
if (!ip6_addr_isinvalid(netif_ip6_addr_state(netif, i)) &&
ip6_addr_cmp(srcaddr, netif_ip6_addr(netif, i))) {
match = 1;
break;
}
}
}
if (match) {
/* find group */
group = mld6_lookfor_group(netif, groupaddr);
if (group != NULL) {
/* Leave if there is no other use of the group */
if (group->use <= 1) {
/* If we are the last reporter for this group */
if (group->last_reporter_flag) {
MLD6_STATS_INC(mld6.tx_leave);
mld6_send(group, ICMP6_TYPE_MLD);
}
/* Disable the group at the MAC level */
if (netif->mld_mac_filter != NULL) {
netif->mld_mac_filter(netif, groupaddr, MLD6_DEL_MAC_FILTER);
}
/* Free the group */
mld6_free_group(group);
} else {
/* Decrement group use */
group->use--;
}
/* Leave on this interface */
err = ERR_OK;
}
}
/* proceed to next network interface */
netif = netif->next;
}
return err;
}
/**
* Join a group on a network interface.
*
* @param srcaddr ipv6 address of the network interface which should
* join a new group. If IP6_ADDR_ANY, join on all netifs
* @param groupaddr the ipv6 address of the group to join
* @return ERR_OK if group was joined on the netif(s), an err_t otherwise
*/
err_t
mld6_joingroup(const ip6_addr_t *srcaddr, const ip6_addr_t *groupaddr)
{
err_t err = ERR_VAL; /* no matching interface */
struct mld_group *group;
struct netif *netif;
u8_t match;
u8_t i;
/* loop through netif's */
netif = netif_list;
while (netif != NULL) {
/* Should we join this interface ? */
match = 0;
if (ip6_addr_isany(srcaddr)) {
match = 1;
}
else {
for (i = 0; i < LWIP_IPV6_NUM_ADDRESSES; i++) {
if (!ip6_addr_isinvalid(netif_ip6_addr_state(netif, i)) &&
ip6_addr_cmp(srcaddr, netif_ip6_addr(netif, i))) {
match = 1;
break;
}
}
}
if (match) {
/* find group or create a new one if not found */
group = mld6_lookfor_group(netif, groupaddr);
if (group == NULL) {
/* Joining a new group. Create a new group entry. */
group = mld6_new_group(netif, groupaddr);
if (group == NULL) {
return ERR_MEM;
}
/* Activate this address on the MAC layer. */
if (netif->mld_mac_filter != NULL) {
netif->mld_mac_filter(netif, groupaddr, MLD6_ADD_MAC_FILTER);
}
/* Report our membership. */
MLD6_STATS_INC(mld6.tx_report);
mld6_send(group, ICMP6_TYPE_MLR);
mld6_delayed_report(group, MLD6_JOIN_DELAYING_MEMBER_TMR_MS);
}
/* Increment group use */
group->use++;
err = ERR_OK;
}
/* proceed to next network interface */
netif = netif->next;
}
return err;
}
s8_t
netif_matches_ip6_addr(struct netif * netif, ip6_addr_t * ip6addr)
{
s8_t i;
for (i = 0; i < LWIP_IPV6_NUM_ADDRESSES; i++) {
if (!ip6_addr_isinvalid(netif_ip6_addr_state(netif, i)) &&
ip6_addr_cmp(netif_ip6_addr(netif, i), ip6addr)) {
return i;
}
}
return -1;
}
void VBoxNetLwipNAT::onLwipTcpIpInit(void* arg)
{
AssertPtrReturnVoid(arg);
VBoxNetLwipNAT *pNat = static_cast<VBoxNetLwipNAT *>(arg);
HRESULT hrc = com::Initialize();
Assert(!FAILED(hrc));
proxy_arp_hook = pxremap_proxy_arp;
proxy_ip4_divert_hook = pxremap_ip4_divert;
proxy_na_hook = pxremap_proxy_na;
proxy_ip6_divert_hook = pxremap_ip6_divert;
/* lwip thread */
RTNETADDRIPV4 network;
RTNETADDRIPV4 address = g_pLwipNat->getIpv4Address();
RTNETADDRIPV4 netmask = g_pLwipNat->getIpv4Netmask();
network.u = address.u & netmask.u;
ip_addr LwipIpAddr, LwipIpNetMask, LwipIpNetwork;
memcpy(&LwipIpAddr, &address, sizeof(ip_addr));
memcpy(&LwipIpNetMask, &netmask, sizeof(ip_addr));
memcpy(&LwipIpNetwork, &network, sizeof(ip_addr));
netif *pNetif = netif_add(&g_pLwipNat->m_LwipNetIf /* Lwip Interface */,
&LwipIpAddr /* IP address*/,
&LwipIpNetMask /* Network mask */,
&LwipIpAddr /* gateway address, @todo: is self IP acceptable? */,
g_pLwipNat /* state */,
VBoxNetLwipNAT::netifInit /* netif_init_fn */,
tcpip_input /* netif_input_fn */);
AssertPtrReturnVoid(pNetif);
LogRel(("netif %c%c%d: mac %RTmac\n",
pNetif->name[0], pNetif->name[1], pNetif->num,
pNetif->hwaddr));
LogRel(("netif %c%c%d: inet %RTnaipv4 netmask %RTnaipv4\n",
pNetif->name[0], pNetif->name[1], pNetif->num,
pNetif->ip_addr, pNetif->netmask));
for (int i = 0; i < LWIP_IPV6_NUM_ADDRESSES; ++i) {
if (!ip6_addr_isinvalid(netif_ip6_addr_state(pNetif, i))) {
LogRel(("netif %c%c%d: inet6 %RTnaipv6\n",
pNetif->name[0], pNetif->name[1], pNetif->num,
netif_ip6_addr(pNetif, i)));
}
}
netif_set_up(pNetif);
netif_set_link_up(pNetif);
if (pNat->m_ProxyOptions.ipv6_enabled) {
/*
* XXX: lwIP currently only ever calls mld6_joingroup() in
* nd6_tmr() for fresh tentative addresses, which is a wrong place
* to do it - but I'm not keen on fixing this properly for now
* (with correct handling of interface up and down transitions,
* etc). So stick it here as a kludge.
*/
for (int i = 0; i <= 1; ++i) {
ip6_addr_t *paddr = netif_ip6_addr(pNetif, i);
ip6_addr_t solicited_node_multicast_address;
ip6_addr_set_solicitednode(&solicited_node_multicast_address,
paddr->addr[3]);
mld6_joingroup(paddr, &solicited_node_multicast_address);
}
/*
* XXX: We must join the solicited-node multicast for the
* addresses we do IPv6 NA-proxy for. We map IPv6 loopback to
* proxy address + 1. We only need the low 24 bits, and those are
* fixed.
*/
{
ip6_addr_t solicited_node_multicast_address;
ip6_addr_set_solicitednode(&solicited_node_multicast_address,
/* last 24 bits of the address */
PP_HTONL(0x00000002));
mld6_netif_joingroup(pNetif, &solicited_node_multicast_address);
}
}
proxy_init(&g_pLwipNat->m_LwipNetIf, &g_pLwipNat->m_ProxyOptions);
natServiceProcessRegisteredPf(g_pLwipNat->m_vecPortForwardRule4);
natServiceProcessRegisteredPf(g_pLwipNat->m_vecPortForwardRule6);
}
/**
* This function is called by the network interface device driver when
* an IPv6 packet is received. The function does the basic checks of the
* IP header such as packet size being at least larger than the header
* size etc. If the packet was not destined for us, the packet is
* forwarded (using ip6_forward).
*
* Finally, the packet is sent to the upper layer protocol input function.
*
* @param p the received IPv6 packet (p->payload points to IPv6 header)
* @param inp the netif on which this packet was received
* @return ERR_OK if the packet was processed (could return ERR_* if it wasn't
* processed, but currently always returns ERR_OK)
*/
err_t
ip6_input(struct pbuf *p, struct netif *inp)
{
struct ip6_hdr *ip6hdr;
struct netif *netif;
#if LWIP_CONNECTION_PROXY
int proxy = 0;
#endif
u8_t nexth;
u16_t hlen; /* the current header length */
u8_t i;
#if 0 /*IP_ACCEPT_LINK_LAYER_ADDRESSING*/
@todo
int check_ip_src=1;
#endif /* IP_ACCEPT_LINK_LAYER_ADDRESSING */
IP6_STATS_INC(ip6.recv);
/* drop if incoming interface doesn't have IPv6 configured */
if (ip6_addr_isinvalid(netif_ip6_addr_state(inp, 0))) {
pbuf_free(p);
IP6_STATS_INC(ip6.drop);
return ERR_OK;
}
/* identify the IP header */
ip6hdr = (struct ip6_hdr *)p->payload;
if (IP6H_V(ip6hdr) != 6) {
LWIP_DEBUGF(IP6_DEBUG | LWIP_DBG_LEVEL_WARNING, ("IPv6 packet dropped due to bad version number %"U32_F"\n",
IP6H_V(ip6hdr)));
pbuf_free(p);
IP6_STATS_INC(ip6.err);
IP6_STATS_INC(ip6.drop);
return ERR_OK;
}
/* header length exceeds first pbuf length, or ip length exceeds total pbuf length? */
if ((IP6_HLEN > p->len) || ((IP6H_PLEN(ip6hdr) + IP6_HLEN) > p->tot_len)) {
if (IP6_HLEN > p->len) {
LWIP_DEBUGF(IP6_DEBUG | LWIP_DBG_LEVEL_SERIOUS,
("IPv6 header (len %"U16_F") does not fit in first pbuf (len %"U16_F"), IP packet dropped.\n",
IP6_HLEN, p->len));
}
if ((IP6H_PLEN(ip6hdr) + IP6_HLEN) > p->tot_len) {
LWIP_DEBUGF(IP6_DEBUG | LWIP_DBG_LEVEL_SERIOUS,
("IPv6 (plen %"U16_F") is longer than pbuf (len %"U16_F"), IP packet dropped.\n",
IP6H_PLEN(ip6hdr) + IP6_HLEN, p->tot_len));
}
/* free (drop) packet pbufs */
pbuf_free(p);
IP6_STATS_INC(ip6.lenerr);
IP6_STATS_INC(ip6.drop);
return ERR_OK;
}
/* Trim pbuf. This should have been done at the netif layer,
* but we'll do it anyway just to be sure that its done. */
pbuf_realloc(p, IP6_HLEN + IP6H_PLEN(ip6hdr));
/* copy IP addresses to aligned ip6_addr_t */
ip6_addr_copy(ip_data.current_iphdr_dest.ip6, ip6hdr->dest);
ip6_addr_copy(ip_data.current_iphdr_src.ip6, ip6hdr->src);
/* current header pointer. */
ip_data.current_ip6_header = ip6hdr;
/* In netif, used in case we need to send ICMPv6 packets back. */
ip_data.current_netif = inp;
/* match packet against an interface, i.e. is this packet for us? */
if (ip6_addr_ismulticast(ip6_current_dest_addr())) {
/* Always joined to multicast if-local and link-local all-nodes group. */
if (ip6_addr_isallnodes_iflocal(ip6_current_dest_addr()) ||
ip6_addr_isallnodes_linklocal(ip6_current_dest_addr())) {
netif = inp;
}
#if LWIP_IPV6_FORWARD
/* Always joined to multicast link-local all-routers group. */
/* XXX: Need a NETIF_FLAG_??? to indicate if this is an
* advertising interface. */
else if (ip6_addr_isallrouters_linklocal(ip6_current_dest_addr())) {
netif = inp;
}
#endif
#if LWIP_IPV6_MLD
else if (mld6_lookfor_group(inp, ip6_current_dest_addr())) {
netif = inp;
}
#else /* LWIP_IPV6_MLD */
else if (ip6_addr_issolicitednode(ip6_current_dest_addr())) {
/* Filter solicited node packets when MLD is not enabled
* (for Neighbor discovery). */
netif = NULL;
for (i = 0; i < LWIP_IPV6_NUM_ADDRESSES; i++) {
if (ip6_addr_isvalid(netif_ip6_addr_state(inp, i)) &&
ip6_addr_cmp_solicitednode(ip6_current_dest_addr(), netif_ip6_addr(inp, i))) {
netif = inp;
LWIP_DEBUGF(IP6_DEBUG, ("ip6_input: solicited node packet accepted on interface %c%c\n",
netif->name[0], netif->name[1]));
break;
}
}
}
#endif /* LWIP_IPV6_MLD */
else {
netif = NULL;
}
}
else {
/* start trying with inp. if that's not acceptable, start walking the
list of configured netifs.
'first' is used as a boolean to mark whether we started walking the list */
int first = 1;
netif = inp;
do {
/* interface is up? */
if (netif_is_up(netif)) {
/* unicast to this interface address? address configured? */
for (i = 0; i < LWIP_IPV6_NUM_ADDRESSES; i++) {
if (ip6_addr_isvalid(netif_ip6_addr_state(netif, i)) &&
ip6_addr_cmp(ip6_current_dest_addr(), netif_ip6_addr(netif, i))) {
/* exit outer loop */
goto netif_found;
}
}
}
if (ip6_addr_islinklocal(ip6_current_dest_addr())) {
/* Do not match link-local addresses to other netifs. */
netif = NULL;
break;
}
if (first) {
first = 0;
netif = netif_list;
} else {
netif = netif->next;
}
if (netif == inp) {
netif = netif->next;
}
} while(netif != NULL);
netif_found:
LWIP_DEBUGF(IP6_DEBUG, ("ip6_input: packet accepted on interface %c%c\n",
netif ? netif->name[0] : 'X', netif? netif->name[1] : 'X'));
}
/* "::" packet source address? (used in duplicate address detection) */
if (ip6_addr_isany(ip6_current_src_addr()) &&
(!ip6_addr_issolicitednode(ip6_current_dest_addr()))) {
/* packet source is not valid */
/* free (drop) packet pbufs */
LWIP_DEBUGF(IP6_DEBUG, ("ip6_input: packet with src ANY_ADDRESS dropped\n"));
pbuf_free(p);
IP6_STATS_INC(ip6.drop);
goto ip6_input_cleanup;
}
/* packet not for us? */
if (netif == NULL) {
/* packet not for us, route or discard */
LWIP_DEBUGF(IP6_DEBUG | LWIP_DBG_TRACE, ("ip6_input: packet not for us.\n"));
#if LWIP_IPV6_FORWARD
/* non-multicast packet? */
if (!ip6_addr_ismulticast(ip6_current_dest_addr())) {
/* try to forward IP packet on (other) interfaces */
#if LWIP_CONNECTION_PROXY
int forwarded =
#endif
ip6_forward(p, ip6hdr, inp);
#if LWIP_CONNECTION_PROXY
if (forwarded == 0) {
proxy = 1;
netif = inp;
}
#endif
}
#endif /* LWIP_IPV6_FORWARD */
#if LWIP_CONNECTION_PROXY
if (!proxy)
#endif
{
pbuf_free(p);
goto ip6_input_cleanup;
}
}
/* current netif pointer. */
ip_data.current_netif = netif;
/* Save next header type. */
nexth = IP6H_NEXTH(ip6hdr);
/* Init header length. */
hlen = ip_data.current_ip_header_tot_len = IP6_HLEN;
/* Move to payload. */
pbuf_header(p, -IP6_HLEN);
/* Process known option extension headers, if present. */
while (nexth != IP6_NEXTH_NONE)
{
switch (nexth) {
case IP6_NEXTH_HOPBYHOP:
LWIP_DEBUGF(IP6_DEBUG, ("ip6_input: packet with Hop-by-Hop options header\n"));
/* Get next header type. */
nexth = *((u8_t *)p->payload);
/* Get the header length. */
hlen = 8 * (1 + *((u8_t *)p->payload + 1));
ip_data.current_ip_header_tot_len += hlen;
/* Skip over this header. */
if (hlen > p->len) {
LWIP_DEBUGF(IP6_DEBUG | LWIP_DBG_LEVEL_SERIOUS,
("IPv6 options header (hlen %"U16_F") does not fit in first pbuf (len %"U16_F"), IPv6 packet dropped.\n",
hlen, p->len));
/* free (drop) packet pbufs */
pbuf_free(p);
IP6_STATS_INC(ip6.lenerr);
IP6_STATS_INC(ip6.drop);
goto ip6_input_cleanup;
}
pbuf_header(p, -hlen);
break;
case IP6_NEXTH_DESTOPTS:
LWIP_DEBUGF(IP6_DEBUG, ("ip6_input: packet with Destination options header\n"));
/* Get next header type. */
nexth = *((u8_t *)p->payload);
/* Get the header length. */
hlen = 8 * (1 + *((u8_t *)p->payload + 1));
ip_data.current_ip_header_tot_len += hlen;
/* Skip over this header. */
if (hlen > p->len) {
LWIP_DEBUGF(IP6_DEBUG | LWIP_DBG_LEVEL_SERIOUS,
("IPv6 options header (hlen %"U16_F") does not fit in first pbuf (len %"U16_F"), IPv6 packet dropped.\n",
hlen, p->len));
/* free (drop) packet pbufs */
pbuf_free(p);
IP6_STATS_INC(ip6.lenerr);
IP6_STATS_INC(ip6.drop);
goto ip6_input_cleanup;
}
pbuf_header(p, -hlen);
break;
case IP6_NEXTH_ROUTING:
LWIP_DEBUGF(IP6_DEBUG, ("ip6_input: packet with Routing header\n"));
/* Get next header type. */
nexth = *((u8_t *)p->payload);
/* Get the header length. */
hlen = 8 * (1 + *((u8_t *)p->payload + 1));
ip_data.current_ip_header_tot_len += hlen;
/* Skip over this header. */
if (hlen > p->len) {
LWIP_DEBUGF(IP6_DEBUG | LWIP_DBG_LEVEL_SERIOUS,
("IPv6 options header (hlen %"U16_F") does not fit in first pbuf (len %"U16_F"), IPv6 packet dropped.\n",
hlen, p->len));
/* free (drop) packet pbufs */
pbuf_free(p);
IP6_STATS_INC(ip6.lenerr);
IP6_STATS_INC(ip6.drop);
goto ip6_input_cleanup;
}
pbuf_header(p, -hlen);
break;
case IP6_NEXTH_FRAGMENT:
{
struct ip6_frag_hdr * frag_hdr;
LWIP_DEBUGF(IP6_DEBUG, ("ip6_input: packet with Fragment header\n"));
frag_hdr = (struct ip6_frag_hdr *)p->payload;
/* Get next header type. */
nexth = frag_hdr->_nexth;
/* Fragment Header length. */
hlen = 8;
ip_data.current_ip_header_tot_len += hlen;
/* Make sure this header fits in current pbuf. */
if (hlen > p->len) {
LWIP_DEBUGF(IP6_DEBUG | LWIP_DBG_LEVEL_SERIOUS,
("IPv6 options header (hlen %"U16_F") does not fit in first pbuf (len %"U16_F"), IPv6 packet dropped.\n",
hlen, p->len));
/* free (drop) packet pbufs */
pbuf_free(p);
IP6_FRAG_STATS_INC(ip6_frag.lenerr);
IP6_FRAG_STATS_INC(ip6_frag.drop);
goto ip6_input_cleanup;
}
/* Offset == 0 and more_fragments == 0? */
if ((frag_hdr->_fragment_offset
& PP_HTONS(IP6_FRAG_OFFSET_MASK | IP6_FRAG_MORE_FLAG)) == 0)
{
/* This is a 1-fragment packet, usually a packet that we have
* already reassembled. Skip this header anc continue. */
pbuf_header(p, -hlen);
}
else {
#if LWIP_IPV6_REASS
/* reassemble the packet */
p = ip6_reass(p);
/* packet not fully reassembled yet? */
if (p == NULL) {
goto ip6_input_cleanup;
}
/* Returned p point to IPv6 header.
* Update all our variables and pointers and continue. */
ip6hdr = (struct ip6_hdr *)p->payload;
nexth = IP6H_NEXTH(ip6hdr);
hlen = ip_data.current_ip_header_tot_len = IP6_HLEN;
pbuf_header(p, -IP6_HLEN);
#else /* LWIP_IPV6_REASS */
/* free (drop) packet pbufs */
LWIP_DEBUGF(IP6_DEBUG, ("ip6_input: packet with Fragment header dropped (with LWIP_IPV6_REASS==0)\n"));
pbuf_free(p);
IP6_STATS_INC(ip6.opterr);
IP6_STATS_INC(ip6.drop);
goto ip6_input_cleanup;
#endif /* LWIP_IPV6_REASS */
}
break;
}
default:
goto options_done;
break;
}
}
options_done:
/* p points to IPv6 header again. */
pbuf_header(p, ip_data.current_ip_header_tot_len);
/* send to upper layers */
LWIP_DEBUGF(IP6_DEBUG, ("ip6_input: \n"));
ip6_debug_print(p);
LWIP_DEBUGF(IP6_DEBUG, ("ip6_input: p->len %"U16_F" p->tot_len %"U16_F"\n", p->len, p->tot_len));
#if LWIP_CONNECTION_PROXY
if (proxy) {
LWIP_DEBUGF(IP_DEBUG, ("ip6_input: proxying\n"));
switch (nexth) {
#if LWIP_UDP
case IP6_NEXTH_UDP:
#if LWIP_UDPLITE
case IP6_NEXTH_UDPLITE:
#endif /* LWIP_UDPLITE */
/* Point to payload. */
pbuf_header(p, -ip_data.current_ip_header_tot_len);
udp_proxy_input(p, inp);
break;
#endif /* LWIP_UDP */
#if LWIP_TCP
case IP6_NEXTH_TCP:
/* Point to payload. */
pbuf_header(p, -ip_data.current_ip_header_tot_len);
tcp_proxy_input(p, inp);
break;
#endif /* LWIP_TCP */
#if LWIP_ICMP6
case IP6_NEXTH_ICMP6:
/* Point to payload. */
pbuf_header(p, -ip_data.current_ip_header_tot_len);
icmp6_proxy_input(p, inp);
break;
#endif /* LWIP_ICMP */
default:
/* no proxy support for this protocol */
/* XXX: TODO: icmp administratively prohibited? */
pbuf_free(p);
IP6_STATS_INC(ip6.drop);
}
} else
#endif /* LWIP_CONNECTION_PROXY */
#if LWIP_RAW
/* raw input did not eat the packet? */
if (raw_input(p, inp) == 0)
#endif /* LWIP_RAW */
{
switch (nexth) {
case IP6_NEXTH_NONE:
pbuf_free(p);
break;
#if LWIP_UDP
case IP6_NEXTH_UDP:
#if LWIP_UDPLITE
case IP6_NEXTH_UDPLITE:
#endif /* LWIP_UDPLITE */
/* Point to payload. */
pbuf_header(p, -ip_data.current_ip_header_tot_len);
udp_input(p, inp);
break;
#endif /* LWIP_UDP */
#if LWIP_TCP
case IP6_NEXTH_TCP:
/* Point to payload. */
pbuf_header(p, -ip_data.current_ip_header_tot_len);
tcp_input(p, inp);
break;
#endif /* LWIP_TCP */
#if LWIP_ICMP6
case IP6_NEXTH_ICMP6:
/* Point to payload. */
pbuf_header(p, -ip_data.current_ip_header_tot_len);
icmp6_input(p, inp);
break;
#endif /* LWIP_ICMP */
default:
#if LWIP_ICMP6
/* send ICMP parameter problem unless it was a multicast or ICMPv6 */
if ((!ip6_addr_ismulticast(ip6_current_dest_addr())) &&
(IP6H_NEXTH(ip6hdr) != IP6_NEXTH_ICMP6)) {
icmp6_param_problem(p, ICMP6_PP_HEADER, ip_data.current_ip_header_tot_len - hlen);
}
#endif /* LWIP_ICMP */
LWIP_DEBUGF(IP6_DEBUG | LWIP_DBG_LEVEL_SERIOUS, ("ip6_input: Unsupported transport protocol %"U16_F"\n", IP6H_NEXTH(ip6hdr)));
pbuf_free(p);
IP6_STATS_INC(ip6.proterr);
IP6_STATS_INC(ip6.drop);
break;
}
}
ip6_input_cleanup:
ip_data.current_netif = NULL;
ip_data.current_ip6_header = NULL;
ip_data.current_ip_header_tot_len = 0;
ip6_addr_set_any(&ip_data.current_iphdr_src.ip6);
ip6_addr_set_any(&ip_data.current_iphdr_dest.ip6);
return ERR_OK;
}
