lwip_support_ipv6_scopes.patch

diff --git a/src/core/ipv6/ip6_addr.c b/src/core/ipv6/ip6_addr.c
old mode 100644
new mode 100755
index 687c02f7..ad649761
--- a/src/core/ipv6/ip6_addr.c
+++ b/src/core/ipv6/ip6_addr.c
@@ -41,6 +41,7 @@
  */
 
 #include "lwip/opt.h"
+#include "lwip/netif.h"
 
 #if LWIP_IPV6  /* don't build if not configured for use in lwipopts.h */
 
@@ -185,6 +186,17 @@ fix_byte_order_and_return:
     }
 
     ip6_addr_clear_zone(addr);
+#if LWIP_IPV6_SCOPES
+    if (*s == '%') {
+      const char *scopestr = s + 1;
+      if (*scopestr) {
+        struct netif *netif = netif_find(scopestr);
+        if (netif) {
+          ip6_addr_assign_zone(addr, IP6_UNKNOWN, netif);
+        }
+      }
+    }
+#endif
   }
 
   if (current_block_index != 7) {

https://git.savannah.nongnu.org/cgit/lwip.git/commit/src/core/ipv6/ip6_addr.c?id=a9e73bc412b17d80d3b56887aa7e870c4ddf5fcd