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monitor: Print HT Operation IE

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As well as the therein contained MCS field
This commit is contained in:
Patrik Flykt 2015-03-20 12:35:19 +02:00 committed by Denis Kenzior
parent 2c061e6394
commit 2129becac8
1 changed files with 213 additions and 0 deletions
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213
monitor/nlmon.c
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@ -903,6 +903,217 @@ static void print_ie_vendor(unsigned int level, const char *label,
}
}
static void print_ie_mcs(unsigned int level, const char *label,
const void *data, uint16_t size)
{
const uint8_t *bytes = data;
int i;
uint8_t bytemask[16];
uint16_t data_rate;
const char *mcs_set[128] = {
[77] = "Reserved",
[78] = "Reserved",
[79] = "Reserved",
[90] = "Reserved",
[91] = "Reserved",
[92] = "Reserved",
[93] = "Reserved",
[94] = "Reserved",
[95] = "Reserved",
[96] = "Tx MCS set defined",
[97] = "Tx Rx MCS set not equal",
[100] = "Tx unequal modulation supported",
[101] = "Reserved",
[102] = "Reserved",
[103] = "Reserved",
[104] = "Reserved",
[105] = "Reserved",
[106] = "Reserved",
[107] = "Reserved",
[108] = "Reserved",
[109] = "Reserved",
[110] = "Reserved",
[111] = "Reserved",
[112] = "Reserved",
[113] = "Reserved",
[114] = "Reserved",
[115] = "Reserved",
[116] = "Reserved",
[117] = "Reserved",
[118] = "Reserved",
[119] = "Reserved",
[120] = "Reserved",
[121] = "Reserved",
[122] = "Reserved",
[123] = "Reserved",
[124] = "Reserved",
[125] = "Reserved",
[126] = "Reserved",
[127] = "Reserved",
};
if (size != 16)
return print_ie_error(level, label, size, -EINVAL);
for (i = 0; i < 77; i++) {
uint8_t byte = i / 8;
uint8_t bit = i % 8;
if (util_is_bit_set(bytes[byte], bit))
print_attr(level, "%s: MCS %d", label, i);
}
memset(bytemask, 0, sizeof(bytemask));
bytemask[9] = 0xe0;
print_ie_bitfield(level, "MCS set", bytes, bytemask, sizeof(bytemask),
mcs_set);
data_rate = l_get_le16(&bytes[10]) & 0x3ff;
if (data_rate)
print_attr(level, "MCS set: Rx Highest data rate: %d Mbit/s",
data_rate);
bytemask[9] = 0x00;
bytemask[11] = 0xfc;
bytemask[12] = 0x03;
print_ie_bitfield(level, "MCS Set", bytes, bytemask, sizeof(bytemask),
mcs_set);
if (bytes[12] & 0x0c)
print_attr(level,
"MCS set: Tx max spatial streams supported: %d",
((bytes[12] & 0x0c) >> 2) + 1);
bytemask[11] = 0x00;
bytemask[12] = 0xf0;
bytemask[13] = 0xff;
bytemask[14] = 0xff;
bytemask[15] = 0xff;
print_ie_bitfield(level, "MCS set", bytes, bytemask, sizeof(bytemask),
mcs_set);
}
static void print_ie_ht_operation(unsigned int level, const char *label,
const void *data, uint16_t size)
{
const char *secondary_offset[] = {
"no secondary channel",
"above primary channel",
"reserved",
"below primary channel"
};
const char *channel_width[] = {
"20 MHz channel width",
"Any supported channel width"
};
const char *ht_protection[] = {
"No protection",
"Nonmember protection mode",
"20 MHz protection mode",
"non-HT mixed mode"
};
const char *ht_ops_bitfield[] = {
"",
"",
"",
"RIFS permitted",
"Reserved",
"Reserved",
"Reserved",
"Reserved",
"",
"",
"Non-greenfield HT STAs present",
"Reserved",
"OBSS non-HT STAs present",
"Reserved",
"Reserved",
"Reserved",
"Reserved",
"Reserved",
"Reserved",
"Reserved",
"Reserved",
"Reserved",
"Reserved",
"Reserved",
"Reserved",
"Reserved",
"Reserved",
"Reserved",
"Reserved",
"Dual beacon",
"Dual CTS protection",
"STBC beacon",
"L-SIG TXOP protection full support",
"PCO active",
"PCO Phase",
"Reserved",
"Reserved",
"Reserved",
"Reserved",
NULL
};
uint8_t *bytes = (uint8_t *) data;
uint8_t bytemask[5];
int i;
if (size < 22) {
print_ie_error(level, label, size, -EINVAL);
return;
}
print_attr (level, "%s:", label);
print_attr (level + 1, "Primary channel %d", bytes[0]);
i = bytes[1] & 0x03;
print_attr (level + 1,
"HT Operation Information: Secondary Channel Offset: %s",
secondary_offset[i]);
i = (bytes[1] & 0x04) >> 2;
print_attr (level + 1,
"HT Operation Information: Channel width: bit 2: %s",
channel_width[i]);
memset(bytemask, 0, sizeof(bytemask));
bytemask[0] = 0xf8;
print_ie_bitfield(level + 1,
"HT Operation Information", &bytes[1], bytemask,
sizeof(bytemask), ht_ops_bitfield);
i = bytes[2] & 0x03;
print_attr(level + 1,
"HT Operation Information: HT Protection: bits 8 - 9: %s",
ht_protection[i]);
bytemask[0] = 0x00;
bytemask[1] = 0xfc;
bytemask[2] = 0xff;
bytemask[3] = 0xff;
bytemask[4] = 0xff;
print_ie_bitfield(level + 1, "HT Operation Information", &bytes[1],
bytemask, sizeof(bytemask), ht_ops_bitfield);
print_ie_mcs(level + 1, "Basic MCS set", &bytes[6], 16);
}
static struct attr_entry ie_entry[] = {
{IE_TYPE_SSID, "SSID",
ATTR_CUSTOM, { .function = print_ie_ssid } },
@ -926,6 +1137,8 @@ static struct attr_entry ie_entry[] = {
ATTR_CUSTOM, { .function = print_ie_rsn } },
{IE_TYPE_EXTENDED_SUPPORTED_RATES, "Extended supported rates",
ATTR_CUSTOM, { .function = print_ie_rate } },
{IE_TYPE_HT_OPERATION, "HT Operation",
ATTR_CUSTOM, { .function = print_ie_ht_operation } },
{IE_TYPE_VENDOR_SPECIFIC, "Vendor specific",
ATTR_CUSTOM, { .function = print_ie_vendor } },
{ },