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AT: Add CFUN command 

Change-Id: Ia2b69fa6c72a12ace5b27dc868c7853c2f8d7c52
Reviewed-on: https://code.wireshark.org/review/29151
Petri-Dish: Anders Broman <a.broman58@gmail.com>
Tested-by: Petri Dish Buildbot
Reviewed-by: Anders Broman <a.broman58@gmail.com>
This commit is contained in:
Darien Spencer 2018-08-15 16:55:29 +03:00 committed by Anders Broman
parent 203c3f511f
commit f3f4655655
1 changed files with 92 additions and 0 deletions
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92
epan/dissectors/packet-at.c
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@ -89,6 +89,8 @@ static int hf_clcc_mpty = -1;
static int hf_ccwa_show_result_code = -1;
static int hf_ccwa_mode = -1;
static int hf_ccwa_class = -1;
static int hf_cfun_fun = -1;
static int hf_cfun_rst = -1;
static int hf_cgmm_model_id = -1;
static int hf_indicator[20] = { -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1};
@ -102,6 +104,9 @@ static expert_field ei_cmer_ind = EI_INIT;
static expert_field ei_cmer_bfr = EI_INIT;
static expert_field ei_chld_mode = EI_INIT;
static expert_field ei_ciev_indicator = EI_INIT;
static expert_field ei_cfun_res_fun = EI_INIT;
static expert_field ei_cfun_range_fun = EI_INIT;
static expert_field ei_cfun_rst = EI_INIT;
static expert_field ei_vts_dtmf = EI_INIT;
static expert_field ei_at_type = EI_INIT;
static expert_field ei_cnum_service = EI_INIT;
@ -154,6 +159,21 @@ static const value_string at_cmd_type_vals[] = {
{ 0, NULL }
};
static const value_string cfun_fun_vals[] = {
{ 0, "Minimum functionality" },
{ 1, "Full functionality" },
{ 2, "Disable phone transmit RF circuits only" },
{ 3, "Disable phone receive RF circuits only" },
{ 4, "Disable phone both transmit and receive RF circuits" },
{ 0, NULL }
};
static const value_string cfun_rst_vals[] = {
{ 0, "Do not reset the MT before setting it to the requsted power level" },
{ 1, "Reset the MT before setting it to the requsted power level" },
{ 0, NULL }
};
static const value_string cme_error_vals[] = {
{ 0, "Phone/AG failure" },
{ 1, "No Connection to Phone" },
@ -399,6 +419,13 @@ static gboolean check_ccwa(gint role, guint16 type) {
return FALSE;
}
static gboolean check_cfun(gint role, guint16 type) {
if (role == ROLE_DTE && (type == TYPE_ACTION || type == TYPE_READ || type == TYPE_TEST)) return TRUE;
if (role == ROLE_DCE && type == TYPE_RESPONSE) return TRUE;
return FALSE;
}
static gboolean check_cgmm(gint role, guint16 type) {
if (role == ROLE_DTE && (type == TYPE_ACTION_SIMPLY || type == TYPE_TEST)) return TRUE;
if (role == ROLE_DCE && type == TYPE_RESPONSE) return TRUE;
@ -646,6 +673,57 @@ dissect_ccwa_parameter(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
return TRUE;
}
static gint
dissect_cfun_parameter(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
gint offset, gint role, guint16 type, guint8 *parameter_stream,
guint parameter_number, gint parameter_length, void **data _U_)
{
proto_item *pitem;
guint32 value;
if (!check_cfun(role, type)) return FALSE;
if (parameter_number > 1) return FALSE;
if (role == ROLE_DTE) switch (parameter_number) {
case 0:
value = get_uint_parameter(parameter_stream, parameter_length);
pitem = proto_tree_add_uint(tree, hf_cfun_fun, tvb, offset, parameter_length, value);
if (value > 4 && value < 128)
expert_add_info(pinfo, pitem, &ei_cfun_res_fun);
else if (value >= 128)
expert_add_info(pinfo, pitem, &ei_cfun_range_fun);
break;
case 1:
value = get_uint_parameter(parameter_stream, parameter_length);
pitem = proto_tree_add_uint(tree, hf_cfun_rst, tvb, offset, parameter_length, value);
if (value > 1)
expert_add_info(pinfo, pitem, &ei_cfun_rst);
break;
}
/* TODO: Currently assuming response is for READ command, add support for
* TEST commands response */
if (role == ROLE_DCE) switch (parameter_number) {
case 0:
value = get_uint_parameter(parameter_stream, parameter_length);
pitem = proto_tree_add_uint(tree, hf_cfun_fun, tvb, offset, parameter_length, value);
if (value > 4 && value < 128)
expert_add_info(pinfo, pitem, &ei_cfun_res_fun);
else if (value >= 128)
expert_add_info(pinfo, pitem, &ei_cfun_range_fun);
break;
case 1:
value = get_uint_parameter(parameter_stream, parameter_length);
pitem = proto_tree_add_uint(tree, hf_cfun_rst, tvb, offset, parameter_length, value);
if (value > 1)
expert_add_info(pinfo, pitem, &ei_cfun_rst);
break;
}
return TRUE;
}
static gint
dissect_cgmm_parameter(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree,
gint offset, gint role, guint16 type, guint8 *parameter_stream _U_,
@ -1149,6 +1227,7 @@ dissect_no_parameter(tvbuff_t *tvb _U_, packet_info *pinfo _U_, proto_tree *tree
for example: AT+CIND=?, AT+CIND? */
static const at_cmd_t at_cmds[] = {
{ "+CCWA", "Call Waiting Notification", check_ccwa, dissect_ccwa_parameter },
{ "+CFUN", "Set Phone Functionality", check_cfun, dissect_cfun_parameter },
{ "+CGMM", "Request model identification", check_cgmm, dissect_cgmm_parameter },
{ "+CHLD", "Call Hold and Multiparty Handling", check_chld, dissect_chld_parameter },
{ "+CHUP", "Call Hang-up", check_chup, dissect_no_parameter },
@ -1913,6 +1992,16 @@ proto_register_at_command(void)
FT_UINT32, BASE_DEC, VALS(ccwa_class_vals), 0,
NULL, HFILL}
},
{ &hf_cfun_fun,
{ "Functionality", "at.cfun.fun",
FT_UINT8, BASE_DEC, VALS(cfun_fun_vals), 0,
NULL, HFILL}
},
{ &hf_cfun_rst,
{ "Reset", "at.cfun.rst",
FT_UINT8, BASE_DEC, VALS(cfun_rst_vals), 0,
NULL, HFILL}
},
{ &hf_cgmm_model_id,
{ "Model Identification", "at.cgmm.model_id",
FT_STRING, BASE_NONE, NULL, 0,
@ -2031,6 +2120,9 @@ proto_register_at_command(void)
{ &ei_cmer_bfr, { "at.expert.cmer.bfr", PI_PROTOCOL, PI_WARN, "Only 0-1 are valid", EXPFILL }},
{ &ei_chld_mode, { "at.expert.chld.mode", PI_PROTOCOL, PI_WARN, "Invalid value", EXPFILL }},
{ &ei_ciev_indicator, { "at.expert.ciev.indicator", PI_PROTOCOL, PI_WARN, "Unknown indicator", EXPFILL }},
{ &ei_cfun_res_fun, { "at.expert.cfun.reserved_fun", PI_PROTOCOL, PI_NOTE, "Manufacturer specific value for an intermediate states between full and minimum functionality", EXPFILL }},
{ &ei_cfun_range_fun, { "at.expert.cfun.invalid_fun", PI_PROTOCOL, PI_WARN, "Only 0-127 are valid", EXPFILL }},
{ &ei_cfun_rst, { "at.expert.cfun.rst", PI_PROTOCOL, PI_WARN, "Only 0-1 are valid", EXPFILL }},
{ &ei_vts_dtmf, { "at.expert.vts.dtmf", PI_PROTOCOL, PI_WARN, "DTMF should be single character", EXPFILL }},
{ &ei_at_type, { "at.expert.at.type", PI_PROTOCOL, PI_WARN, "Unknown type value", EXPFILL }},
{ &ei_cnum_service, { "at.expert.cnum.service", PI_PROTOCOL, PI_WARN, "Only 0-5 are valid", EXPFILL }},