Andrew Boyson / net

A stack which works with or without an Mbed os library. Provides IPv4 or IPv6 with a full 1500 byte buffer.

Dependents:   oldheating gps motorhome heating

Diff: ip6/ip6addr.c

Revision:
136:8a65abb0dc63
Parent:
121:bc048b65a630
Child:
143:8cec8f08dc54
--- a/ip6/ip6addr.c	Sat Mar 23 12:25:48 2019 +0000
+++ b/ip6/ip6addr.c	Sat Apr 06 11:20:20 2019 +0000
@@ -131,6 +131,43 @@
     memcpy(ipTo, ipFrom, 16);
 }
 
+bool Ip6AddrIsSolicited(char* p)
+{
+    if (*p++ != 0xff) return false;
+    if (*p++ != 0x02) return false;
+    
+    if (*p++ != 0x00) return false;
+    if (*p++ != 0x00) return false;
+    
+    if (*p++ != 0x00) return false;
+    if (*p++ != 0x00) return false;
+    
+    if (*p++ != 0x00) return false;
+    if (*p++ != 0x00) return false;
+    
+    if (*p++ != 0x00) return false;
+    if (*p++ != 0x00) return false;
+    
+    if (*p++ != 0x00) return false;
+    if (*p++ != 0x01) return false;
+    
+    if (*p++ != 0xff) return false;
+    
+    return true;
+}
+bool Ip6AddrIsMulticast(char *p)
+{
+    return *p == 0xFF;
+}
+bool Ip6AddrIsSameGroup(char* pA, char* pB)
+{
+    pA += 13;
+    pB += 13;
+    if (*pA++ != *pB++) return false;
+    if (*pA++ != *pB++) return false;
+    return *pA == *pB;
+}
+
 const char Ip6AddressAllNodes  [] = {0xff, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01};
 const char Ip6AddressAllRouters[] = {0xff, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02};
 const char Ip6AddressMdns      [] = {0xff, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xfb};