-moving remaining checksum calculations to tun library, fixing #2066

1 files changed, 44 insertions, 1 deletions

diff --git a/src/include/gnunet_tun_lib.h b/src/include/gnunet_tun_lib.h
index b30b2b03a..5fddf70b2 100644
--- a/src/include/gnunet_tun_lib.h
+++ b/src/include/gnunet_tun_lib.h
@@ -182,10 +182,24 @@ GNUNET_TUN_initialize_ipv6_header (struct GNUNET_TUN_IPv6Header *ip,
                                    const struct in6_addr *dst);
 
 /**
+ * Calculate IPv4 TCP checksum.
+ *
+ * @param ipv4 header fully initialized
+ * @param tcp TCP header (initialized except for CRC)
+ * @param payload the TCP payload
+ * @param payload_length number of bytes of TCP payload
+ */
+void
+GNUNET_TUN_calculate_tcp4_checksum (const struct GNUNET_TUN_IPv4Header *ip,
+                                    struct GNUNET_TUN_TcpHeader *tcp,
+                                    const void *payload,
+                                    uint16_t payload_length);
+
+/**
  * Calculate IPv6 TCP checksum.
  *
  * @param ipv6 header fully initialized
- * @param tcp header (initialized except for CRC)
+ * @param tcp TCP header (initialized except for CRC)
  * @param payload the TCP payload
  * @param payload_length number of bytes of TCP payload
  */
@@ -195,5 +209,34 @@ GNUNET_TUN_calculate_tcp6_checksum (const struct GNUNET_TUN_IPv6Header *ip,
                                     const void *payload,
                                     uint16_t payload_length);
 
+/**
+ * Calculate IPv4 UDP checksum.
+ *
+ * @param ipv4 header fully initialized
+ * @param udp UDP header (initialized except for CRC)
+ * @param payload the UDP payload
+ * @param payload_length number of bytes of UDP payload
+ */
+void
+GNUNET_TUN_calculate_udp4_checksum (const struct GNUNET_TUN_IPv4Header *ip,
+                                    struct GNUNET_TUN_UdpHeader *udp,
+                                    const void *payload,
+                                    uint16_t payload_length);
+
+
+/**
+ * Calculate IPv6 UDP checksum.
+ *
+ * @param ipv6 header fully initialized
+ * @param udp UDP header (initialized except for CRC)
+ * @param payload the UDP payload
+ * @param payload_length number of bytes of UDP payload
+ */
+void
+GNUNET_TUN_calculate_udp6_checksum (const struct GNUNET_TUN_IPv6Header *ip,
+                                    struct GNUNET_TUN_UdpHeader *udp,
+                                    const void *payload,
+                                    uint16_t payload_length);
+
 
 #endif