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| author | Guy Harris <gharris@sonic.net> | 2023-04-11 03:05:46 -0700 |
|---|---|---|
| committer | Guy Harris <gharris@sonic.net> | 2023-04-11 04:11:49 -0700 |
| commit | 6c8a3facc7f5eb6a03c5a606ebf2c0fcfd0e70cc (patch) | |
| tree | 03b2546be82d6bd0c7ec0b1260c6e0b9d68f3c7e /print-gre.c | |
| parent | cebc5988bdde08a21714f66479bf9a6a5150d2da (diff) | |
| download | tcpdump-6c8a3facc7f5eb6a03c5a606ebf2c0fcfd0e70cc.tar.gz | |
Add support for dissecting RFC 2332 NHRP.
This is from the OpenBSD tcpdump.
Diffstat (limited to 'print-gre.c')
| -rw-r--r-- | print-gre.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/print-gre.c b/print-gre.c index 40496ca7..25c6ac2f 100644 --- a/print-gre.c +++ b/print-gre.c @@ -85,6 +85,7 @@ static const struct tok gre_flag_values[] = { * Ethertype values used for GRE (but not elsewhere?). */ #define GRE_CDP 0x2000 /* Cisco Discovery Protocol */ +#define GRE_NHRP 0x2001 /* Next Hop Resolution Protocol */ #define GRE_WCCP 0x883e /* Web Cache C* Protocol */ struct wccp_redirect { @@ -310,6 +311,9 @@ gre_print_0(netdissect_options *ndo, const u_char *bp, u_int length) case GRE_CDP: cdp_print(ndo, bp, len); break; + case GRE_NHRP: + nhrp_print(ndo, bp, len); + break; default: ND_PRINT("gre-proto-0x%x", prot); } |