diff options
Diffstat (limited to 'epan/dissectors/packet-shim6.c')
| -rw-r--r-- | epan/dissectors/packet-shim6.c | 49 |
1 files changed, 8 insertions, 41 deletions
diff --git a/epan/dissectors/packet-shim6.c b/epan/dissectors/packet-shim6.c index 6393f088b3..bb88dbdaf2 100644 --- a/epan/dissectors/packet-shim6.c +++ b/epan/dissectors/packet-shim6.c @@ -102,8 +102,7 @@ static int hf_shim6_ct = -1; static int hf_shim6_type = -1; static int hf_shim6_proto = -1; static int hf_shim6_checksum = -1; -static int hf_shim6_checksum_bad = -1; -static int hf_shim6_checksum_good = -1; +static int hf_shim6_checksum_status= -1; static int hf_shim6_inonce = -1; /* also for request nonce */ static int hf_shim6_rnonce = -1; static int hf_shim6_reserved = -1; @@ -563,26 +562,6 @@ static const value_string shimctrlvals[] = { { 0, NULL } }; -static void -add_shim6_checksum_additional_info(tvbuff_t * tvb, packet_info * pinfo, - proto_item * it_cksum, int offset, gboolean is_cksum_correct) -{ - proto_tree *checksum_tree; - proto_item *item; - - checksum_tree = proto_item_add_subtree(it_cksum, ett_shim6_cksum); - item = proto_tree_add_boolean(checksum_tree, hf_shim6_checksum_good, tvb, - offset, 2, is_cksum_correct); - PROTO_ITEM_SET_GENERATED(item); - item = proto_tree_add_boolean(checksum_tree, hf_shim6_checksum_bad, tvb, - offset, 2, !is_cksum_correct); - PROTO_ITEM_SET_GENERATED(item); - if (!is_cksum_correct) { - expert_add_info(pinfo, item, &ei_shim6_checksum_bad); - col_append_str(pinfo->cinfo, COL_INFO, " [Shim6 CHECKSUM INCORRECT]"); - } -} - static int dissect_shim6(tvbuff_t *tvb, packet_info * pinfo, proto_tree *tree, void* data _U_) { @@ -656,17 +635,10 @@ dissect_shim6(tvbuff_t *tvb, packet_info * pinfo, proto_tree *tree, void* data _ /* Checksum */ csum = shim6_checksum(tvb, offset, len); - - if (csum == 0) { - ti = proto_tree_add_uint_format_value(shim_tree, hf_shim6_checksum, tvb, p, 2, - tvb_get_ntohs(tvb, p), "0x%04x [correct]", tvb_get_ntohs(tvb, p)); - add_shim6_checksum_additional_info(tvb, pinfo, ti, p, TRUE); - } else { - ti = proto_tree_add_uint_format_value(shim_tree, hf_shim6_checksum, tvb, p, 2, - tvb_get_ntohs(tvb, p), "0x%04x [incorrect: should be 0x%04x]", - tvb_get_ntohs(tvb, p), in_cksum_shouldbe(tvb_get_ntohs(tvb, p), csum)); - add_shim6_checksum_additional_info(tvb, pinfo, ti, p, FALSE); - } + proto_tree_add_checksum(shim_tree, tvb, p, hf_shim6_checksum, hf_shim6_checksum_status, &ei_shim6_checksum_bad, pinfo, csum, + ENC_BIG_ENDIAN, PROTO_CHECKSUM_VERIFY|PROTO_CHECKSUM_IN_CKSUM); + if (csum != 0) + col_append_str(pinfo->cinfo, COL_INFO, " [Shim6 CHECKSUM INCORRECT]"); p += 2; /* Type specific data */ @@ -726,14 +698,9 @@ proto_register_shim6(void) FT_UINT16, BASE_HEX, NULL, 0x0, "Shim6 Checksum", HFILL } }, - { &hf_shim6_checksum_bad, - { "Bad Checksum", "shim6.checksum_bad", - FT_BOOLEAN, BASE_NONE, NULL, 0x0, - "Shim6 Bad Checksum", HFILL } - }, - { &hf_shim6_checksum_good, - { "Good Checksum", "shim6.checksum_good", - FT_BOOLEAN, BASE_NONE, NULL, 0x0, + { &hf_shim6_checksum_status, + { "Checksum Status", "shim6.checksum.status", + FT_UINT8, BASE_NONE, VALS(proto_checksum_vals), 0x0, NULL, HFILL } }, { &hf_shim6_inonce, |