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authorMichael Mann <mmann78@netscape.net>2013-09-08 00:47:15 +0000
committerMichael Mann <mmann78@netscape.net>2013-09-08 00:47:15 +0000
commitcc26962f96217d834e1dcf11312f9521bde9841c (patch)
tree6a06cd62413f22b085499f930edd3cf67d0dacce /epan/dissectors/packet-pw-atm.c
parent57c28aeffd814a3cb48eebedeb39d1e884d1e5ff (diff)
Batch of filterable expert info
svn path=/trunk/; revision=51831
Diffstat (limited to 'epan/dissectors/packet-pw-atm.c')
-rw-r--r--epan/dissectors/packet-pw-atm.c151
1 files changed, 93 insertions, 58 deletions
diff --git a/epan/dissectors/packet-pw-atm.c b/epan/dissectors/packet-pw-atm.c
index b6f3cc711b..4bc4b2c45d 100644
--- a/epan/dissectors/packet-pw-atm.c
+++ b/epan/dissectors/packet-pw-atm.c
@@ -98,6 +98,20 @@ static int hf_11_ncells = -1;
static int hf_gen_cw_atmbyte = -1;
static int hf_cell_payload_len = -1;
+static expert_field ei_cell_h_v_not_one = EI_INIT;
+static expert_field ei_cell_h_pti_undecoded = EI_INIT;
+static expert_field ei_pref_cw_flags = EI_INIT;
+static expert_field ei_cell_h_v_not_zero = EI_INIT;
+static expert_field ei_pw_payload_size_invalid_note = EI_INIT;
+static expert_field ei_pw_payload_size_invalid_error = EI_INIT;
+static expert_field ei_cell_h_pti_malformed = EI_INIT;
+static expert_field ei_cell_h_rsv = EI_INIT;
+static expert_field ei_cell_broken = EI_INIT;
+static expert_field ei_cell_h_m = EI_INIT;
+static expert_field ei_cw_bits03 = EI_INIT;
+static expert_field ei_pw_packet_size_too_small = EI_INIT;
+static expert_field ei_pref_cw_len = EI_INIT;
+
static dissector_handle_t dh_cell;
static dissector_handle_t dh_cell_header;
static dissector_handle_t dh_control_word;
@@ -469,7 +483,7 @@ too_small_packet_or_notpw(tvbuff_t * tvb
{
proto_item * item;
item = proto_tree_add_item(tree, proto_handler, tvb, 0, -1, ENC_NA);
- expert_add_info_format(pinfo, item, PI_MALFORMED, PI_ERROR,
+ expert_add_info_format_text(pinfo, item, &ei_pw_packet_size_too_small,
"PW packet size (%d) is too small to carry sensible information"
,(int)packet_size);
/* represent problems in the Packet List pane */
@@ -631,12 +645,12 @@ dissect_11_or_aal5_pdu(tvbuff_t * tvb, packet_info * pinfo, proto_tree * tree)
}
if (pd.props & PWC_PAY_SIZE_BAD)
{
- expert_add_info_format(pinfo, item, PI_MALFORMED, PI_ERROR
- ,"PW payload size (%d) must be <> 0 and multiple of %d"
- ,(int)payload_size, pw_cell_size(pd.mode, pd.submode));
+ expert_add_info_format_text(pinfo, item, &ei_pw_payload_size_invalid_error,
+ "PW payload size (%d) must be <> 0 and multiple of %d",
+ (int)payload_size, pw_cell_size(pd.mode, pd.submode));
if ((payload_size != 0) && MODE_11(pd.mode))
{
- expert_add_info_format(pinfo, item, PI_MALFORMED, PI_NOTE,
+ expert_add_info_format_text(pinfo, item, &ei_cell_broken,
"PW ATM cell [%.3d] is broken", (int)cells);
}
}
@@ -846,10 +860,10 @@ dissect_aal5_sdu(tvbuff_t * tvb, packet_info * pinfo, proto_tree * tree)
if (pd.props & PWC_PAY_SIZE_BAD)
{
DISSECTOR_ASSERT(PWATM_SUBMODE_ADMIN_CELL == pd.submode);
- expert_add_info_format(pinfo, item, PI_MALFORMED, PI_ERROR
- ,"In ATM admin cell mode,"
- " PW payload size (%d) must be == %d (exactly 1 admin cell)"
- ,(int)payload_size, (int)SIZEOF_N1_PW_CELL);
+ expert_add_info_format_text(pinfo, item, &ei_pw_payload_size_invalid_error,
+ "In ATM admin cell mode,"
+ " PW payload size (%d) must be == %d (exactly 1 admin cell)",
+ (int)payload_size, (int)SIZEOF_N1_PW_CELL);
}
}
@@ -1025,13 +1039,18 @@ dissect_n1_cw(tvbuff_t * tvb, packet_info * pinfo, proto_tree * tree)
{
if (payload_size != 0)
{
- expert_add_info_format(pinfo, item, PI_MALFORMED, PI_ERROR,
+ expert_add_info_format_text(pinfo, item, &ei_cell_broken,
"PW ATM cell [%.3d] is broken", (int)cells);
+ expert_add_info_format_text(pinfo, item, &ei_pw_payload_size_invalid_note,
+ "PW payload size (%d) must be <>0 and multiple of %d",
+ (int)payload_size, (int)SIZEOF_N1_PW_CELL);
+ }
+ else
+ {
+ expert_add_info_format_text(pinfo, item, &ei_pw_payload_size_invalid_error,
+ "PW payload size (%d) must be <>0 and multiple of %d",
+ (int)payload_size, (int)SIZEOF_N1_PW_CELL);
}
- expert_add_info_format(pinfo, item, PI_MALFORMED
- , (payload_size == 0) ? PI_ERROR : PI_NOTE
- ,"PW payload size (%d) must be <>0 and multiple of %d"
- ,(int)payload_size, (int)SIZEOF_N1_PW_CELL);
}
}
@@ -1101,13 +1120,18 @@ dissect_n1_nocw(tvbuff_t * tvb, packet_info * pinfo, proto_tree * tree)
{
if (payload_size != 0)
{
- expert_add_info_format(pinfo, item, PI_MALFORMED, PI_ERROR,
+ expert_add_info_format_text(pinfo, item, &ei_cell_broken,
"Last PW ATM cell [%.3d] is broken", (int)cells);
+ expert_add_info_format_text(pinfo, item, &ei_pw_payload_size_invalid_note,
+ "PW payload size (%d) must be <>0 and multiple of %d",
+ (int)payload_size, (int)SIZEOF_N1_PW_CELL);
+ }
+ else
+ {
+ expert_add_info_format_text(pinfo, item, &ei_pw_payload_size_invalid_error,
+ "PW payload size (%d) must be <>0 and multiple of %d",
+ (int)payload_size, (int)SIZEOF_N1_PW_CELL);
}
- expert_add_info_format(pinfo, item, PI_MALFORMED
- , (payload_size == 0) ? PI_ERROR : PI_NOTE
- ,"PW payload size (%d) must be <>0 and multiple of %d"
- ,(int)payload_size, (int)SIZEOF_N1_PW_CELL);
}
}
@@ -1164,7 +1188,7 @@ dissect_control_word(tvbuff_t * tvb, packet_info * pinfo, proto_tree * tree)
{
proto_item *item;
item = proto_tree_add_item(tree, proto_control_word, tvb, 0, -1, ENC_NA);
- expert_add_info_format(pinfo, item, PI_MALFORMED, PI_ERROR,
+ expert_add_info_format_text(pinfo, item, &ei_pw_payload_size_invalid_error,
"Packet (size: %d) is too small to carry MPLS PW Control Word"
,(int)size);
return;
@@ -1186,8 +1210,7 @@ dissect_control_word(tvbuff_t * tvb, packet_info * pinfo, proto_tree * tree)
if (pd->props & PWC_CW_BAD_BITS03)
{
/* add item to tree (and show it) only if its value is wrong*/
- expert_add_info_format(pinfo, item, PI_MALFORMED, PI_ERROR
- ,"Bits 0..3 of Control Word must be 0");
+ expert_add_info(pinfo, item, &ei_cw_bits03);
}
else
{
@@ -1200,8 +1223,7 @@ dissect_control_word(tvbuff_t * tvb, packet_info * pinfo, proto_tree * tree)
item = proto_tree_add_item(tree2, hf_pref_cw_flags, tvb, 0, 1, ENC_BIG_ENDIAN);
if (pd->props & PWC_CW_BAD_FLAGS)
{
- expert_add_info_format(pinfo, item, PI_MALFORMED, PI_ERROR
- ,"Flags must be 0 for PW ATM N:1 encapsulation");
+ expert_add_info(pinfo, item, &ei_pref_cw_flags);
}
}
if (pd->mode == PWATM_MODE_AAL5_SDU)
@@ -1245,8 +1267,7 @@ dissect_control_word(tvbuff_t * tvb, packet_info * pinfo, proto_tree * tree)
if (pd->props & PWC_CW_BAD_RSV)
{
- expert_add_info_format(pinfo, item, PI_MALFORMED, PI_ERROR
- ,"Reserved bits in Control Word must be 0");
+ expert_add_info(pinfo, item, &ei_cw_bits03);
}
else
{
@@ -1274,26 +1295,26 @@ dissect_control_word(tvbuff_t * tvb, packet_info * pinfo, proto_tree * tree)
}
if (pd->props & PWC_CW_BAD_LEN_MUST_BE_0)
{
- expert_add_info_format(pinfo, item, PI_MALFORMED, PI_ERROR
- ,"Bad Length: must be 0 for this encapsulation");
+ expert_add_info_format_text(pinfo, item, &ei_pref_cw_len,
+ "Bad Length: must be 0 for this encapsulation");
}
if (pd->props & PWC_CW_BAD_PAYLEN_LE_0)
{
- expert_add_info_format(pinfo, item, PI_MALFORMED, PI_ERROR
- ,"Bad Length: too small, must be >= %d"
- ,(int)(PWC_SIZEOF_CW+SIZEOF_N1_PW_CELL));
+ expert_add_info_format_text(pinfo, item, &ei_pref_cw_len,
+ "Bad Length: too small, must be >= %d",
+ (int)(PWC_SIZEOF_CW+SIZEOF_N1_PW_CELL));
}
if (pd->props & PWC_CW_BAD_PAYLEN_GT_PACKET)
{
- expert_add_info_format(pinfo, item, PI_MALFORMED, PI_ERROR
- ,"Bad Length: must be <= than PSN packet size (%d)"
- ,(int)pd->packet_size);
+ expert_add_info_format_text(pinfo, item, &ei_pref_cw_len,
+ "Bad Length: must be <= than PSN packet size (%d)",
+ (int)pd->packet_size);
}
if (pd->props & PWC_CW_BAD_PADDING_NE_0)
{
- expert_add_info_format(pinfo, item, PI_MALFORMED, PI_ERROR
- ,"Bad Length: must be == PSN packet size (%d), no padding allowed"
- ,(int)pd->packet_size);
+ expert_add_info_format_text(pinfo, item, &ei_pref_cw_len,
+ "Bad Length: must be == PSN packet size (%d), no padding allowed",
+ (int)pd->packet_size);
}
}
@@ -1488,13 +1509,13 @@ dissect_cell_header(tvbuff_t * tvb, packet_info * pinfo, proto_tree * tree, void
item2 = proto_tree_add_item(tree2, hf_cell_h_pti, tvb, 3, 1, ENC_BIG_ENDIAN);
if (NULL == try_val_to_str(pd->pti, atm_pt_vals))
{
- expert_add_info_format(pinfo, item2, PI_UNDECODED, PI_WARN,
+ expert_add_info_format_text(pinfo, item2, &ei_cell_h_pti_undecoded,
"Unknown value of PTI field (%d) in the ATM cell header",
pd->pti);
}
else if ((pd->mode == PWATM_MODE_AAL5_SDU) && !PTI_IS_ADMIN(pd->pti))
{
- expert_add_info_format(pinfo, item2, PI_MALFORMED, PI_ERROR,
+ expert_add_info_format_text(pinfo, item2, &ei_cell_h_pti_malformed,
"ATM admin cell is transerred;"
" PTI field (%d) should be 4, 5 or 6.",
pd->pti);
@@ -1507,28 +1528,24 @@ dissect_cell_header(tvbuff_t * tvb, packet_info * pinfo, proto_tree * tree, void
item2 = proto_tree_add_item(tree2, hf_cell_h_m , tvb, 0, 1, ENC_BIG_ENDIAN);
if ((0 != pd->cwb3.m) && MODE_11(pd->mode))
{
- expert_add_info_format(pinfo, item2, PI_MALFORMED, PI_ERROR
- ,"1:1 mode:"
- " M bit must be 0 to distinguish from AAL5 PDU mode");
+ expert_add_info(pinfo, item2, &ei_cell_h_m);
}
item2 = proto_tree_add_item(tree2, hf_cell_h_v , tvb, 0, 1, ENC_BIG_ENDIAN);
if ((0 == pd->cwb3.v) && (PWATM_MODE_11_VPC == pd->mode))
{
- expert_add_info_format(pinfo, item2, PI_MALFORMED, PI_ERROR
- ,"1:1 VPC mode:"
- " V bit must be 1 to indicate that VCI is present");
+ expert_add_info(pinfo, item2, &ei_cell_h_v_not_zero);
}
if ((0 != pd->cwb3.v) && (PWATM_MODE_11_VCC == pd->mode))
{
- expert_add_info_format(pinfo, item2, PI_MALFORMED, PI_ERROR
- ,"1:1 VCC mode:"
+ expert_add_info_format_text(pinfo, item2, &ei_cell_h_v_not_one,
+ "1:1 VCC mode:"
" V bit must be 0 to indicate that VCI is absent");
}
if ((0 != pd->cwb3.v) && (PWATM_MODE_AAL5_PDU == pd->mode))
{
- expert_add_info_format(pinfo, item2, PI_MALFORMED, PI_ERROR
- ,"AAL5 PDU mode:"
+ expert_add_info_format_text(pinfo, item2, &ei_cell_h_v_not_one,
+ "AAL5 PDU mode:"
" V bit must be 0 to indicate that VCI is absent");
}
@@ -1539,8 +1556,7 @@ dissect_cell_header(tvbuff_t * tvb, packet_info * pinfo, proto_tree * tree, void
,tvb, 0, 1, ENC_BIG_ENDIAN);
if (0 != pd->cwb3.rsv)
{
- expert_add_info_format(pinfo, item2, PI_MALFORMED, PI_ERROR
- ,"Reserved bits in the 3rd byte of CW must be 0");
+ expert_add_info(pinfo, item2, &ei_cell_h_rsv);
}
else
{
@@ -1552,7 +1568,7 @@ dissect_cell_header(tvbuff_t * tvb, packet_info * pinfo, proto_tree * tree, void
item2 = proto_tree_add_item(tree2, hf_cell_h_pti, tvb, 0, 1, ENC_BIG_ENDIAN);
if (NULL == try_val_to_str(pd->pti, atm_pt_vals))
{
- expert_add_info_format(pinfo, item2, PI_UNDECODED, PI_WARN,
+ expert_add_info_format_text(pinfo, item2, &ei_cell_h_pti_undecoded,
"Unknown value of PTI field (%d) in the atm-specific byte"
,pd->pti);
}
@@ -1578,9 +1594,9 @@ dissect_cell_header(tvbuff_t * tvb, packet_info * pinfo, proto_tree * tree, void
}
else
{
- expert_add_info_format(pinfo, item, PI_MALFORMED, PI_ERROR
- ,"Not enough data (size: %d), impossible to decode"
- ,(int)dissect_size);
+ expert_add_info_format_text(pinfo, item, &ei_pw_payload_size_invalid_error,
+ "Not enough data (size: %d), impossible to decode",
+ (int)dissect_size);
}
}
}
@@ -1628,9 +1644,9 @@ dissect_cell(tvbuff_t * tvb, packet_info * pinfo, proto_tree * tree, void * data
pwc_item_append_text_n_items(item, dissect_size, "byte");
if (!is_enough_data)
{
- expert_add_info_format(pinfo, item, PI_MALFORMED, PI_ERROR
- ,"Bad length of cell payload: must be == %d"
- ,(int)SIZEOF_ATM_CELL_PAYLOAD);
+ expert_add_info_format_text(pinfo, item, &ei_pw_payload_size_invalid_error,
+ "Bad length of cell payload: must be == %d",
+ (int)SIZEOF_ATM_CELL_PAYLOAD);
}
{
@@ -1858,6 +1874,22 @@ proto_register_pw_atm_ata(void)
,&ett_cell_header
,&ett_cell
};
+ static ei_register_info ei[] = {
+ { &ei_pw_packet_size_too_small, { "pw.packet_size_too_small", PI_MALFORMED, PI_ERROR, "PW packet size too small", EXPFILL }},
+ { &ei_pw_payload_size_invalid_error, { "pw.payload.size_invalid", PI_MALFORMED, PI_ERROR, "PW payload size invalid", EXPFILL }},
+ { &ei_cell_broken, { "atm.cell_broken", PI_MALFORMED, PI_ERROR, "PW ATM cell is broken", EXPFILL }},
+ { &ei_pw_payload_size_invalid_note, { "pw.payload.size_invalid", PI_MALFORMED, PI_NOTE, "PW payload size invalid", EXPFILL }},
+ { &ei_cw_bits03, { "pw.cw.bits03.not_zero", PI_MALFORMED, PI_ERROR, "Bits 0..3 of Control Word must be 0", EXPFILL }},
+ { &ei_pref_cw_flags, { "pw.cw.flags.not_zero", PI_MALFORMED, PI_ERROR, "Flags must be 0 for PW ATM N:1 encapsulation", EXPFILL }},
+ { &ei_pref_cw_len, { "pw.cw.length.invalid", PI_MALFORMED, PI_ERROR, "Bad Length: must be 0 for this encapsulation", EXPFILL }},
+ { &ei_cell_h_pti_undecoded, { "atm.pti.invalid", PI_UNDECODED, PI_WARN, "Unknown value of PTI field in the ATM cell header", EXPFILL }},
+ { &ei_cell_h_pti_malformed, { "atm.pti.invalid", PI_MALFORMED, PI_ERROR, "ATM admin cell is transerred. PTI field should be 4, 5 or 6.", EXPFILL }},
+ { &ei_cell_h_m, { "atm.pw_control_byte.m.not_zero", PI_MALFORMED, PI_ERROR, "1:1 mode: M bit must be 0 to distinguish from AAL5 PDU mode", EXPFILL }},
+ { &ei_cell_h_v_not_zero, { "atm.pw_control_byte.v.not_one", PI_MALFORMED, PI_ERROR, "1:1 VPC mode: V bit must be 1 to indicate that VCI is present", EXPFILL }},
+ { &ei_cell_h_v_not_one, { "atm.pw_control_byte.v.not_zero", PI_MALFORMED, PI_ERROR, "1:1 VCC mode: V bit must be 0 to indicate that VCI is absent", EXPFILL }},
+ { &ei_cell_h_rsv, { "atm.pw_control_byte.rsv.not_zero", PI_MALFORMED, PI_ERROR, "Reserved bits in the 3rd byte of CW must be 0", EXPFILL }},
+ };
+ expert_module_t* expert_cell;
proto_n1_cw =
proto_register_protocol(pwc_longname_pw_atm_n1_cw
@@ -1889,6 +1921,9 @@ proto_register_pw_atm_ata(void)
,"mplspwatmcell");
proto_register_field_array( proto_cell ,hfa_cell ,array_length(hfa_cell));
+ expert_cell = expert_register_protocol(proto_cell);
+ expert_register_field_array(expert_cell, ei, array_length(ei));
+
proto_register_field_array( proto_cell_header ,hfa_cell_header,array_length(hfa_cell_header));
proto_register_field_array( proto_control_word ,hfa_cw ,array_length(hfa_cw));
proto_register_field_array( proto_n1_nocw ,hfa_n1_nocw ,array_length(hfa_n1_nocw));