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monitor: add support for parsing RRM Requests

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Only beacon requests are parsed for now
This commit is contained in:
James Prestwood 2019-11-14 15:41:15 -08:00 committed by Denis Kenzior
parent c961dafc50
commit b7cccb6bcc
1 changed files with 124 additions and 0 deletions
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124
monitor/nlmon.c
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@ -1861,6 +1861,110 @@ static void print_qos_map(unsigned int level, const char *label,
print_attr(level, "QoS Map");
}
static void print_measurement_request_beacon(unsigned int level,
const void *data,
uint16_t size)
{
uint8_t mode;
if (size < 13)
return;
print_attr(level, "Operating Class: %u", l_get_u8(data));
print_attr(level, "Channel: %u", l_get_u8(data + 1));
print_attr(level, "Randomization Interval: %u", l_get_le16(data + 2));
print_attr(level, "Duration: %u", l_get_le16(data + 4));
mode = l_get_u8(data + 6);
switch (mode) {
case 0:
print_attr(level, "Measurement: Passive");
break;
case 1:
print_attr(level, "Measurement: Active");
break;
case 2:
print_attr(level, "Measurement: Table");
break;
default:
print_attr(level, "Measurement: Invalid (%u)", mode);
return;
}
print_attr(level, "BSSID: "MAC, MAC_STR(((const uint8_t *)data + 7)));
}
static const char *rrm_measurement_types[] = {
[0] = "Basic",
[1] = "Clear Channel Assessment",
[2] = "Receive Power Indication",
[3] = "Channel Load",
[4] = "Noise Histogram",
[5] = "Beacon",
[6] = "Frame",
[7] = "STA Statistics",
[8] = "LCI",
[9] = "Transmit Stream/Category Measurement",
[10] = "Multicast Diagnostics",
[11] = "Location Civic",
[12] = "Location Identifier",
[13] = "Directional Channel Quality",
[14] = "Directional Measurement",
[15] = "Directional Statistics",
[16] = "Fine Timing Measurement Range",
[255] = "Measurement Pause"
};
static void print_measurement_request(unsigned int level, const char *label,
const void *data,
uint16_t size)
{
uint8_t mode;
uint8_t type;
print_attr(level, "Measurement Request");
if (size < 3)
return;
print_attr(level + 1, "Token: %u", l_get_u8(data));
mode = l_get_u8(data + 1);
print_attr(level + 1, "Request Mode: %u", mode);
if (util_is_bit_set(mode, 0))
print_attr(level + 2, "Parallel bit set");
if (util_is_bit_set(mode, 1))
print_attr(level + 2, "Enable bit set");
if (util_is_bit_set(mode, 2))
print_attr(level + 2, "Request bit set");
if (util_is_bit_set(mode, 3))
print_attr(level + 2, "Report bit set");
if (util_is_bit_set(mode, 4))
print_attr(level + 2, "Duration Mandatory set");
type = l_get_u8(data + 2);
if (type > 16 && type != 255) {
print_attr(level + 1, "Type: Invalid (%u)", type);
return;
}
print_attr(level + 1, "Type: %s", rrm_measurement_types[type]);
switch (type) {
case 5:
print_measurement_request_beacon(level + 1, data + 3, size - 3);
break;
}
}
static struct attr_entry ie_entry[] = {
{ IE_TYPE_SSID, "SSID",
ATTR_CUSTOM, { .function = print_ie_ssid } },
@ -1911,6 +2015,8 @@ static struct attr_entry ie_entry[] = {
{ .function = print_ie_supported_operating_classes } },
{ IE_TYPE_QOS_MAP_SET, "QoS Map",
ATTR_CUSTOM, { .function = print_qos_map } },
{ IE_TYPE_MEASUREMENT_REQUEST, "Measurement Request",
ATTR_CUSTOM, { .function = print_measurement_request } },
{ },
};
@ -3974,6 +4080,18 @@ static void print_public_action_frame(unsigned int level, const uint8_t *body,
}
}
static void print_rm_request(unsigned int level, const uint8_t *body,
size_t body_len)
{
if (body_len < 3)
return;
print_attr(level, "Dialog Token: %u", body[0]);
print_attr(level, "Repetitions: %u", l_get_le16(body + 1));
print_ie(level, "IEs", body + 3, body_len - 3);
}
static void print_rm_action_frame(unsigned int level, const uint8_t *body,
size_t body_len)
{
@ -3998,6 +4116,12 @@ static void print_rm_action_frame(unsigned int level, const uint8_t *body,
category = "Unknown";
print_attr(level, "Radio Measurement Action: %s (%u)", category, body[0]);
switch (body[0]) {
case 0:
print_rm_request(level + 1, body + 1, body_len - 1);
break;
}
}
static void print_action_mgmt_frame(unsigned int level,