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From packet steve: add a filterable field for the GRE key. 

svn path=/trunk/; revision=12069
This commit is contained in:
Guy Harris 2004-09-23 17:15:26 +00:00
parent a1968b1326
commit c2fbce13fb
2 changed files with 8 additions and 4 deletions
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1
AUTHORS
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@ -2284,6 +2284,7 @@ Francisco Alcoba <francisco.alcoba [AT] ericsson.com>
Thomas Palmer <tpalmer [AT] elmore.rr.com>
Mårten Svantesson <f95-msv [AT] f.kth.se>
Thomas Boehne <TBoehne [AT] ADwin.de>
packet steve <packetsteve [AT] hotmail.com>
Alain Magloire <alainm[AT]rcsm.ece.mcgill.ca> was kind enough to
give his permission to use his version of snprintf.c.

11
epan/dissectors/packet-gre.c
View File

@ -47,6 +47,7 @@
static int proto_gre = -1;
static int hf_gre_proto = -1;
static int hf_gre_key = -1;
static gint ett_gre = -1;
static gint ett_gre_flags = -1;
@ -203,10 +204,8 @@ dissect_gre(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
offset += 2;
}
else {
if (tree) {
proto_tree_add_text(gre_tree, tvb, offset, 4,
"Key: %u", tvb_get_ntohl(tvb, offset));
}
if (tree)
proto_tree_add_item(gre_tree, hf_gre_key, tvb, offset, 4, FALSE);
offset += 4;
}
}
@ -360,6 +359,10 @@ proto_register_gre(void)
{ "Protocol Type", "gre.proto", FT_UINT16, BASE_HEX, VALS(typevals), 0x0,
"The protocol that is GRE encapsulated", HFILL }
},
{ &hf_gre_key,
{ "Key", "gre.key", FT_UINT32, BASE_HEX, NULL, 0x0,
"", HFILL }
},
};
static gint *ett[] = {
&ett_gre,