diff options
author | Michael Mann <mmann78@netscape.net> | 2016-07-21 10:21:25 -0400 |
---|---|---|
committer | Anders Broman <a.broman58@gmail.com> | 2016-07-27 03:40:02 +0000 |
commit | 8b0e9c66728f6a39bbe3ada1029e13ad1378013a (patch) | |
tree | c0c1b4da1845069520d4e131db96e6143e4ca772 /epan/dissectors/packet-gre.c | |
parent | b7f1e99f7f4c75fa4bac1ccba77087fb0e50b8ac (diff) |
Follow up for proto_tree_add_checksum.
Fill in the "gaps" so that all dissectors that verify checksums have both a
status and expert info field.
Also address comments from original proto_tree_add_checksum patch that didn't make it.
Ping-Bug: 8859
Change-Id: I2e6640108fd6bb218cb959fe9e4ba98a13e43a2f
Reviewed-on: https://code.wireshark.org/review/16590
Petri-Dish: Michael Mann <mmann78@netscape.net>
Tested-by: Petri Dish Buildbot <buildbot-no-reply@wireshark.org>
Reviewed-by: Anders Broman <a.broman58@gmail.com>
Diffstat (limited to 'epan/dissectors/packet-gre.c')
-rw-r--r-- | epan/dissectors/packet-gre.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/epan/dissectors/packet-gre.c b/epan/dissectors/packet-gre.c index 4d60a57370..3fdcff0835 100644 --- a/epan/dissectors/packet-gre.c +++ b/epan/dissectors/packet-gre.c @@ -59,6 +59,7 @@ static int hf_gre_flags_reserved_ppp = -1; static int hf_gre_flags_reserved = -1; static int hf_gre_flags_version = -1; static int hf_gre_checksum = -1; +static int hf_gre_checksum_status = -1; static int hf_gre_offset = -1; static int hf_gre_key = -1; static int hf_gre_key_payload_length = -1; @@ -419,10 +420,10 @@ dissect_gre(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_) fragmented datagram and isn't truncated, so we can checksum it. */ if ((flags_and_ver & GRE_CHECKSUM) && !pinfo->fragmented && length >= reported_length) { SET_CKSUM_VEC_TVB(cksum_vec[0], tvb, 0, reported_length); - proto_tree_add_checksum(gre_tree, tvb, offset, hf_gre_checksum, -1, &ei_gre_checksum_incorrect, pinfo, in_cksum(cksum_vec, 1), + proto_tree_add_checksum(gre_tree, tvb, offset, hf_gre_checksum, hf_gre_checksum_status, &ei_gre_checksum_incorrect, pinfo, in_cksum(cksum_vec, 1), ENC_BIG_ENDIAN, PROTO_CHECKSUM_VERIFY|PROTO_CHECKSUM_IN_CKSUM); } else { - proto_tree_add_checksum(gre_tree, tvb, offset, hf_gre_checksum, -1, &ei_gre_checksum_incorrect, pinfo, 0, + proto_tree_add_checksum(gre_tree, tvb, offset, hf_gre_checksum, hf_gre_checksum_status, &ei_gre_checksum_incorrect, pinfo, 0, ENC_BIG_ENDIAN, PROTO_CHECKSUM_NO_FLAGS); } offset += 2; @@ -583,6 +584,11 @@ proto_register_gre(void) FT_UINT16, BASE_HEX, NULL, 0x0, "The Checksum field contains the IP (one's complement) checksum of the GRE header and the payload packet", HFILL } }, + { &hf_gre_checksum_status, + { "Checksum Status", "gre.checksum.status", + FT_UINT8, BASE_NONE, VALS(proto_checksum_vals), 0x0, + NULL, HFILL } + }, { &hf_gre_offset, { "Offset", "gre.offset", FT_UINT16, BASE_DEC, NULL, 0x0, |