dtls: improve comment for DTLS_MAX_BUF

For some DTLS clients the DTLS_MAX_BUF has to be increase. This is needed for Californium with ECDSA. Signed-off-by: Hauke Mehrtens <[email protected]>
unuseid · Dec 11, 2013 · 1495da1 · 1495da1
1 parent 2139c57
commit 1495da1
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/global.h b/global.h
@@ -131,7 +131,9 @@ typedef unsigned char uint32[4];
 typedef unsigned char uint48[6];
 
 #ifndef DTLS_MAX_BUF
-/** Maximum size of DTLS message. */
+/** Maximum size of DTLS message.
+    When Peers are sending bigger messages this causes problems. Californium
+    with ECDSA needs at least 220 */
 #define DTLS_MAX_BUF 200
 #endif