X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=blobdiff_plain;f=net.h;h=9da63ba1e14da61511719fc938230ef80b90d42a;hp=457c24dc92380fca0e8af10c9e63781246c58604;hb=6b935f552ebfe3a0a83ec9367deb2f42c1aff252;hpb=840725e10602abd8187428924040f4bf3e04594c

diff --git a/net.h b/net.h
index 457c24dc..9da63ba1 100644
--- a/net.h
+++ b/net.h
@@ -36,6 +36,10 @@
 #define SOL_DCCP 269 /**< Linux socket level. */
 #endif
 
+#ifndef DCCP_SOCKOPT_GET_CUR_MPS
+#define DCCP_SOCKOPT_GET_CUR_MPS  5 /**< Max packet size, RFC 4340, 14. */
+#endif
+
 #ifndef DCCP_SOCKOPT_AVAILABLE_CCIDS
 #define DCCP_SOCKOPT_AVAILABLE_CCIDS 12 /**< List of supported CCIDs. */
 #endif
@@ -132,6 +136,11 @@ static inline int para_listen_simple(unsigned l4type, uint16_t port)
 extern char *local_name(int sockfd);
 extern char *remote_name(int sockfd);
 
+/**
+ * Determining maximum payload (packet) size
+ */
+extern int generic_max_transport_msg_size(int sockfd);
+
 int send_bin_buffer(int, const char *, size_t);
 int send_buffer(int, const char *);
 __printf_2_3 int send_va_buffer(int fd, const char *fmt, ...);
@@ -149,6 +158,8 @@ ssize_t send_cred_buffer(int, char*);
 /**
  * Functions and definitions to support \p IPPROTO_DCCP
  */
-/** Hardcoded maximum number of separate CCID modules compiled into a host */
+/** Estimated worst-case length of a DCCP header including options. */
+#define DCCP_MAX_HEADER		128
+/** Hardcoded maximum number of separate CCID modules compiled into a host. */
 #define DCCP_MAX_HOST_CCIDS	20
 extern int dccp_available_ccids(uint8_t **ccid_array);