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nlmon: parse/print neighbor reports

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Adds an IE parser for neighbor report elements
This commit is contained in:
James Prestwood 2024-05-08 12:07:49 -07:00 committed by Denis Kenzior
parent 5fb3ac5937
commit 26efca80d7
1 changed files with 83 additions and 0 deletions
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83
monitor/nlmon.c
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@ -2452,6 +2452,86 @@ static void print_reduced_neighbor_report(unsigned int level, const char *label,
} }
} }
static void print_neighbor_report(unsigned int level, const char *label,
const void *data, uint16_t size)
{
struct ie_tlv_iter iter;
struct ie_neighbor_report_info info;
const char *phy_type_table[] = {
[0] = NULL,
[1] = NULL,
[2] = "DSSS",
[3] = NULL,
[4] = "OFDM",
[5] = "HDRSSS",
[6] = "ERP",
[7] = "HT",
[8] = "DMG",
[9] = "VHT",
[10] = "TVHT",
[11] = "S1G",
[12] = "CDMG",
[13] = "CMMG",
[14] = "HE"
};
ie_tlv_iter_init(&iter, data - 2, size + 2);
if (!ie_tlv_iter_next(&iter))
return;
if (ie_parse_neighbor_report(&iter, &info) < 0) {
print_attr(level, "Invalid Neighbor report");
return;
}
print_attr(level, "Neighbor Report for "MAC, MAC_STR(info.addr));
print_attr(level + 1, "Operating Class: %u", info.oper_class);
print_attr(level + 1, "Channel Number: %u", info.channel_num);
if (info.phy_type <= 14 && phy_type_table[info.phy_type])
print_attr(level + 1, "Phy Type: %s",
phy_type_table[info.phy_type]);
else
print_attr(level + 1, "Phy Type: Unknown (%u)", info.phy_type);
if (info.bss_transition_pref_present)
print_attr(level + 1, "BSS Transition Preference: %u",
info.bss_transition_pref);
switch (info.reachable) {
case 1:
print_attr(level + 1, "Reachability: Not Reachable");
break;
case 2:
print_attr(level + 1, "Reachability: Unknown");
break;
case 3:
print_attr(level + 1, "Reachability: Reachable");
break;
default:
break;
}
print_attr(level + 1, "BSSID Information");
if (info.security)
print_attr(level + 2, "Security bit set");
if (info.key_scope)
print_attr(level + 2, "Key scope bit set");
if (info.spectrum_mgmt)
print_attr(level + 2, "Spectrum Mgmt bit set");
if (info.qos)
print_attr(level + 2, "QoS bit set");
if (info.apsd)
print_attr(level + 2, "APSD bit set");
if (info.md)
print_attr(level + 2, "MD bit set");
if (info.ht)
print_attr(level + 2, "HT bit set");
}
static struct attr_entry ie_entry[] = { static struct attr_entry ie_entry[] = {
{ IE_TYPE_SSID, "SSID", { IE_TYPE_SSID, "SSID",
ATTR_CUSTOM, { .function = print_ie_ssid } }, ATTR_CUSTOM, { .function = print_ie_ssid } },
@ -2520,6 +2600,8 @@ static struct attr_entry ie_entry[] = {
ATTR_CUSTOM, { .function = print_reduced_neighbor_report } }, ATTR_CUSTOM, { .function = print_reduced_neighbor_report } },
{ IE_TYPE_RSNX, "RSNX", { IE_TYPE_RSNX, "RSNX",
ATTR_CUSTOM, { .function = print_rsnx } }, ATTR_CUSTOM, { .function = print_rsnx } },
{ IE_TYPE_NEIGHBOR_REPORT, "Neighbor Report",
ATTR_CUSTOM, { .function = print_neighbor_report } },
{ }, { },
}; };
@ -4979,6 +5061,7 @@ static void print_rm_action_frame(unsigned int level, const uint8_t *body,
print_rm_request(level + 1, body + 1, body_len - 1); print_rm_request(level + 1, body + 1, body_len - 1);
break; break;
case 1: case 1:
case 5:
print_rm_report(level + 1, body + 1, body_len - 1); print_rm_report(level + 1, body + 1, body_len - 1);
break; break;
} }