Signed-off-by: Markus Theil <markus.theil@xxxxxxxxxxxxx>
---
scan.c | 30 ++++++++++++++++++++++++++++++
1 file changed, 30 insertions(+)
diff --git a/scan.c b/scan.c
index 57bb463..50a4147 100644
--- a/scan.c
+++ b/scan.c
@@ -1224,6 +1224,35 @@ static void print_11u_rcon(const uint8_t type, uint8_t len, const uint8_t *data,
}
}
+static void print_tx_power_envelope(const uint8_t type, uint8_t len,
+ const uint8_t *data,
+ const struct print_ies_data *ie_buffer)
+{
+ const uint8_t local_max_tx_power_count = data[0] & 7;
+ const uint8_t local_max_tx_power_unit_interp = (data[0] >> 3) & 7;
+ int i;
+
+ printf("\n");
+ const char *power_names[] = {
+ "Local Maximum Transmit Power For 20 MHz",
+ "Local Maximum Transmit Power For 40 MHz",
+ "Local Maximum Transmit Power For 80 MHz",
+ "Local Maximum Transmit Power For 160/80+80 MHz",
+ };
+ if (local_max_tx_power_count + 2 != len)
+ return;
+ if (local_max_tx_power_unit_interp != 0)
+ return;
+ for (i = 0; i < local_max_tx_power_count + 1; ++i) {
+ int8_t power_val = ((int8_t)data[1 + i]) >> 1;
+ int8_t point5 = data[1 + i] & 1;
+ if (point5)
+ printf("\t\t * %s: %i.5 dBm\n", power_names[i], power_val);
+ else
+ printf("\t\t * %s: %i dBm\n", power_names[i], power_val);
+ }
+}
+
static const char *ht_secondary_offset[4] = {
"no secondary",
"above",
@@ -1637,6 +1666,7 @@ static const struct ie_print ieprinters[] = {
[107] = { "802.11u Interworking", print_interworking, 0, 255, BIT(PRINT_SCAN), },
[108] = { "802.11u Advertisement", print_11u_advert, 0, 255, BIT(PRINT_SCAN), },
[111] = { "802.11u Roaming Consortium", print_11u_rcon, 0, 255, BIT(PRINT_SCAN), },
+ [195] = { "Transmit Power Envelope", print_tx_power_envelope, 2, 5, BIT(PRINT_SCAN), },
};
static void print_wifi_wpa(const uint8_t type, uint8_t len, const uint8_t *data,
--
2.25.0
