gre: add support for MikroTik Ethernet-over-IP hack.

[tcpdump] / netdissect.h

diff --git a/netdissect.h b/netdissect.h
index b509b432d41f20e4976c8e1776eb578c46d51ae8..4f917eebb1eeb25ba86d9f3b8bde013e3aa31b11 100644 (file)
--- a/netdissect.h
+++ b/netdissect.h
@@ -30,8 +30,10 @@
 #endif
 #include <sys/types.h>
 #include <setjmp.h>
+#include <time.h>
 #include "status-exit-codes.h"
 #include "funcattrs.h" /* for PRINTFLIKE_FUNCPTR() */
+#include "diag-control.h" /* for ND_UNREACHABLE */
 
 /*
  * Data types corresponding to multi-byte integral values within data
@@ -128,10 +130,6 @@ extern size_t strlcat (char *, const char *, size_t);
 extern size_t strlcpy (char *, const char *, size_t);
 #endif
 
-#ifndef HAVE_STRDUP
-extern char *strdup (const char *str);
-#endif
-
 #ifndef HAVE_STRSEP
 extern char *strsep(char **, const char *);
 #endif
@@ -141,9 +139,6 @@ struct tok {
        const char *s;          /* string */
 };
 
-extern const char *tok2strbuf(const struct tok *, const char *, u_int,
-                             char *buf, size_t bufsize);
-
 /* tok2str is deprecated */
 extern const char *tok2str(const struct tok *, const char *, u_int);
 extern char *bittok2str(const struct tok *, const char *, u_int);
@@ -179,7 +174,7 @@ typedef void (*if_printer) IF_PRINTER_ARGS;
  * buffer, we free the current buffer and pop the previous one off the
  * stack.
  *
- * A buffer has a beginnning and end pointer, and a link to the previous
+ * A buffer has a beginning and end pointer, and a link to the previous
  * buffer on the stack.
  *
  * In other cases, we temporarily adjust the snapshot end to reflect a
@@ -220,6 +215,7 @@ struct netdissect_options {
   jmp_buf ndo_early_end;       /* jmp_buf for setjmp()/longjmp() */
   void *ndo_last_mem_p;                /* pointer to the last allocated memory chunk */
   int ndo_packet_number;       /* print a packet number in the beginning of line */
+  int ndo_print_sampling;      /* print every Nth packet */
   int ndo_suppress_default_print; /* don't use default_print() for unknown packet types */
   int ndo_tstamp_precision;    /* requested time stamp precision */
   const char *program_name;    /* Name of the program using the library */
@@ -264,13 +260,26 @@ struct netdissect_options {
                      PRINTFLIKE_FUNCPTR(2, 3);
 };
 
-extern int nd_push_buffer(netdissect_options *, u_char *, const u_char *,
-    const u_char *);
-extern int nd_push_snapend(netdissect_options *, const u_char *);
-extern void nd_change_snapend(netdissect_options *, const u_char *);
+extern WARN_UNUSED_RESULT int nd_push_buffer(netdissect_options *, u_char *, const u_char *, const u_int);
+extern WARN_UNUSED_RESULT int nd_push_snaplen(netdissect_options *, const u_char *, const u_int);
+extern void nd_change_snaplen(netdissect_options *, const u_char *, const u_int);
 extern void nd_pop_packet_info(netdissect_options *);
 extern void nd_pop_all_packet_info(netdissect_options *);
 
+static inline NORETURN void
+nd_trunc_longjmp(netdissect_options *ndo)
+{
+       longjmp(ndo->ndo_early_end, ND_TRUNCATED);
+#ifdef _AIX
+       /*
+        * In AIX <setjmp.h> decorates longjmp() with "#pragma leaves", which tells
+        * XL C that the function is noreturn, but GCC remains unaware of that and
+        * yields a "'noreturn' function does return" warning.
+        */
+       ND_UNREACHABLE
+#endif /* _AIX */
+}
+
 #define PT_VAT         1       /* Visual Audio Tool */
 #define PT_WB          2       /* distributed White Board */
 #define PT_RPC         3       /* Remote Procedure Call */
@@ -425,6 +434,9 @@ extern void ts_print(netdissect_options *, const struct timeval *);
 extern void signed_relts_print(netdissect_options *, int32_t);
 extern void unsigned_relts_print(netdissect_options *, uint32_t);
 
+extern const char *nd_format_time(char *buf, size_t bufsize,
+    const char *format, const struct tm *timeptr);
+
 extern void fn_print_char(netdissect_options *, u_char);
 extern void fn_print_str(netdissect_options *, const u_char *);
 extern u_int nd_printztn(netdissect_options *, const u_char *, u_int, const u_char *);
@@ -447,7 +459,7 @@ extern void txtproto_print(netdissect_options *, const u_char *, u_int,
     (defined(__s390__) || defined(__s390x__) || defined(__zarch__)) || \
     defined(__vax__)
 /*
- * The procesor natively handles unaligned loads, so just use memcpy()
+ * The processor natively handles unaligned loads, so just use memcpy()
  * and memcmp(), to enable those optimizations.
  *
  * XXX - are those all the x86 tests we need?
@@ -605,7 +617,7 @@ extern void calm_fast_print(netdissect_options *, const u_char *, u_int, const s
 extern void carp_print(netdissect_options *, const u_char *, u_int, u_int);
 extern void cdp_print(netdissect_options *, const u_char *, u_int);
 extern void cfm_print(netdissect_options *, const u_char *, u_int);
-extern u_int chdlc_print(netdissect_options *, const u_char *, u_int);
+extern void chdlc_print(netdissect_options *, const u_char *, u_int);
 extern void cisco_autorp_print(netdissect_options *, const u_char *, u_int);
 extern void cnfp_print(netdissect_options *, const u_char *);
 extern void dccp_print(netdissect_options *, const u_char *, const u_char *, u_int);
@@ -619,6 +631,7 @@ extern void eap_print(netdissect_options *, const u_char *, u_int);
 extern void eapol_print(netdissect_options *, const u_char *);
 extern void egp_print(netdissect_options *, const u_char *, u_int);
 extern void eigrp_print(netdissect_options *, const u_char *, u_int);
+extern void erspan_print(netdissect_options *, uint16_t, const u_char *, u_int);
 extern void esp_print(netdissect_options *, const u_char *, u_int, const u_char *, u_int, int, u_int);
 extern u_int ether_print(netdissect_options *, const u_char *, u_int, u_int, void (*)(netdissect_options *, const u_char *), const u_char *);
 extern u_int ether_switch_tag_print(netdissect_options *, const u_char *, u_int, u_int, void (*)(netdissect_options *, const u_char *), u_int);
@@ -685,6 +698,7 @@ extern void netbeui_print(netdissect_options *, u_short, const u_char *, u_int);
 extern void nfsreply_noaddr_print(netdissect_options *, const u_char *, u_int, const u_char *);
 extern void nfsreply_print(netdissect_options *, const u_char *, u_int, const u_char *);
 extern void nfsreq_noaddr_print(netdissect_options *, const u_char *, u_int, const u_char *);
+extern void nhrp_print(netdissect_options *, const u_char *, u_int);
 extern void nsh_print(netdissect_options *, const u_char *, u_int);
 extern void ntp_print(netdissect_options *, const u_char *, u_int);
 extern void oam_print(netdissect_options *, const u_char *, u_int, u_int);
@@ -712,9 +726,9 @@ extern void resp_print(netdissect_options *, const u_char *, u_int);
 extern void rip_print(netdissect_options *, const u_char *, u_int);
 extern void ripng_print(netdissect_options *, const u_char *, unsigned int);
 extern void rpki_rtr_print(netdissect_options *, const u_char *, u_int);
-extern void rrcp_print(netdissect_options *, const u_char *, u_int, const struct lladdr_info *, const struct lladdr_info *);
 extern void rsvp_print(netdissect_options *, const u_char *, u_int);
 extern int rt6_print(netdissect_options *, const u_char *, const u_char *);
+extern void rtl_print(netdissect_options *, const u_char *, u_int, const struct lladdr_info *, const struct lladdr_info *);
 extern void rtsp_print(netdissect_options *, const u_char *, u_int);
 extern void rx_print(netdissect_options *, const u_char *, u_int, uint16_t, uint16_t, const u_char *);
 extern void sctp_print(netdissect_options *, const u_char *, const u_char *, u_int);
@@ -752,7 +766,6 @@ extern void zmtp1_datagram_print(netdissect_options *, const u_char *, const u_i
 extern void zmtp1_print(netdissect_options *, const u_char *, u_int);
 
 /* checksum routines */
-extern void init_checksum(void);
 extern uint16_t verify_crc10_cksum(uint16_t, const u_char *, int);
 extern uint16_t create_osi_cksum(const uint8_t *, int, int);