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Attempted fix for broken routing of adhoc ipv6 networks -- ticket #31

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This commit is contained in:
Joseph Henry
2018-10-10 13:09:23 -07:00
parent 8ef88cfe18
commit 71e37354a1
1 changed files with 22 additions and 0 deletions
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22
ext/lwip.patch
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@@ -11,6 +11,28 @@ index b7632489..786a294e 100644
#include "lwip/opt.h"
#if LWIP_SOCKET /* don't build if not configured for use in lwipopts.h */
diff --git a/src/core/ipv6/ip6.c b/src/core/ipv6/ip6.c
index f14e3342..facd3b21 100644
--- a/src/core/ipv6/ip6.c
+++ b/src/core/ipv6/ip6.c
@@ -264,6 +264,17 @@ ip6_select_source_address(struct netif *netif, const ip6_addr_t *dest)
}
}
+ /* Choose a ZeroTier adhoc with matching prefix. */
+ if (ip6_addr_is_zt_adhoc(dest)) {
+ for (i = 0; i < LWIP_IPV6_NUM_ADDRESSES; i++) {
+ if (ip6_addr_isvalid(netif_ip6_addr_state(netif, i)) &&
+ ip6_addr_is_zt_adhoc(netif_ip6_addr(netif, i)) &&
+ ip6_addr_6plane_cmp(dest, netif_ip6_addr(netif, i))) {
+ return netif_ip_addr6(netif, i);
+ }
+ }
+ }
+
/* Last resort: see if arbitrary prefix matches. */
for (i = 0; i < LWIP_IPV6_NUM_ADDRESSES; i++) {
if (ip6_addr_isvalid(netif_ip6_addr_state(netif, i)) &&
diff --git a/src/core/ipv6/nd6.c b/src/core/ipv6/nd6.c
index 0b367181..2a5b77d4 100644
--- a/src/core/ipv6/nd6.c