diff options
Diffstat (limited to 'epan/dissectors/packet-mtp2.c')
| -rw-r--r-- | epan/dissectors/packet-mtp2.c | 30 |
1 files changed, 16 insertions, 14 deletions
diff --git a/epan/dissectors/packet-mtp2.c b/epan/dissectors/packet-mtp2.c index 3cbab9b489..1dfd2ca9e1 100644 --- a/epan/dissectors/packet-mtp2.c +++ b/epan/dissectors/packet-mtp2.c @@ -149,22 +149,24 @@ static const value_string status_field_vals[] = { static void dissect_mtp2_lssu(tvbuff_t *su_tvb, packet_info *pinfo, proto_item *mtp2_tree) { - if (check_col(pinfo->cinfo, COL_INFO)) - col_set_str(pinfo->cinfo, COL_INFO, "LSSU "); + guint8 sf = 0xFF; - if (mtp2_tree) { - if (use_extended_sequence_numbers) { - if ((tvb_get_letohs(su_tvb, EXTENDED_LI_OFFSET) & EXTENDED_LI_MASK) == 1) - proto_tree_add_item(mtp2_tree, hf_mtp2_sf, su_tvb, EXTENDED_SF_OFFSET, SF_LENGTH, LITTLE_ENDIAN_BYTE_ORDER); - else - proto_tree_add_item(mtp2_tree, hf_mtp2_long_sf, su_tvb, EXTENDED_SF_OFFSET, LONG_SF_LENGTH, LITTLE_ENDIAN_BYTE_ORDER); - } else { - if ((tvb_get_guint8(su_tvb, LI_OFFSET) & LI_MASK) == 1) - proto_tree_add_item(mtp2_tree, hf_mtp2_sf, su_tvb, SF_OFFSET, SF_LENGTH, LITTLE_ENDIAN_BYTE_ORDER); - else - proto_tree_add_item(mtp2_tree, hf_mtp2_long_sf, su_tvb, SF_OFFSET, LONG_SF_LENGTH, LITTLE_ENDIAN_BYTE_ORDER); - } + if (use_extended_sequence_numbers) { + if ((tvb_get_letohs(su_tvb, EXTENDED_LI_OFFSET) & EXTENDED_LI_MASK) == 1) { + proto_tree_add_item(mtp2_tree, hf_mtp2_sf, su_tvb, EXTENDED_SF_OFFSET, SF_LENGTH, LITTLE_ENDIAN_BYTE_ORDER); + sf = tvb_get_guint8(su_tvb, EXTENDED_SF_OFFSET); + } else + proto_tree_add_item(mtp2_tree, hf_mtp2_long_sf, su_tvb, EXTENDED_SF_OFFSET, LONG_SF_LENGTH, LITTLE_ENDIAN_BYTE_ORDER); + } else { + if ((tvb_get_guint8(su_tvb, LI_OFFSET) & LI_MASK) == 1) { + proto_tree_add_item(mtp2_tree, hf_mtp2_sf, su_tvb, SF_OFFSET, SF_LENGTH, LITTLE_ENDIAN_BYTE_ORDER); + sf = tvb_get_guint8(su_tvb, SF_OFFSET); + } else + proto_tree_add_item(mtp2_tree, hf_mtp2_long_sf, su_tvb, SF_OFFSET, LONG_SF_LENGTH, LITTLE_ENDIAN_BYTE_ORDER); } + + if (check_col(pinfo->cinfo, COL_INFO)) + col_add_fstr(pinfo->cinfo, COL_INFO, "LSSU: %s", val_to_str(sf, status_field_vals, "Unknown")); } static void |