mtu: separate icmp functions to new file, mtu discovery

1 files changed, 22 insertions, 0 deletions

diff --git a/icmp.h b/icmp.h
new file mode 100644
index 0000000..d5c597f
--- /dev/null
+++ b/icmp.h
@@ -0,0 +1,22 @@
+#ifndef PINGU_ICMP_H
+#define PINGU_ICMP_H
+
+#include <asm/types.h>
+#include <sys/socket.h>
+#include <netinet/ip.h>
+
+int icmp_parse_reply(__u8 *buf, int len, int seq,
+		     struct sockaddr *addr,
+		     struct sockaddr *origdest);
+int icmp_send(int fd, struct sockaddr *to, int tolen, void *buf, int buflen);
+int icmp_send_frag_needed(int fd, struct sockaddr *to, int tolen,
+			  struct iphdr *iph, int newmtu);
+int icmp_send_ping(int fd, struct sockaddr *to, int tolen,
+		   int seq, int total_size);
+int icmp_read_reply(int fd, struct sockaddr *from, int fromlen,
+		    __u8 *buf, int buflen);
+int icmp_open(void);
+void icmp_close(int fd);
+
+
+#endif