Initial commit

FossilOrigin-Name: c53d95729c009f8f80a7d63847cef7668ff73f8af0523ab65f7734696f85399c

src/capwap/sock_set_dontfrag.c

@@ -0,0 +1,25 @@
+
+#include <netinet/in.h>
+#include <sys/types.h>          
+#include <sys/socket.h>
+
+
+
+int sock_set_dontfrag(int sock,int val)
+{
+#if defined IP_MTU_DISCOVER && defined IP_PMTUDISC_DONT
+	int mtu_type;
+	if (val)
+       		mtu_type = IP_PMTUDISC_DO;
+	else
+		mtu_type = IP_PMTUDISC_WANT;
+
+	return setsockopt(sock, SOL_IP, IP_MTU_DISCOVER, &mtu_type, sizeof (mtu_type));
+#elif defined IP_DONTFRAG
+
+	const int opt = val;
+	return setsockopt(sock, IPPROTO_IP, IP_DONTFRAG, &opt, sizeof (opt));
+
+#endif
+
+}