From: James Prestwood <prestwoj@gmail.com>
To: iwd@lists.linux.dev
Cc: James Prestwood <prestwoj@gmail.com>
Subject: [PATCH] nlmon: parse/print neighbor reports
Date: Wed, 8 May 2024 12:07:49 -0700 [thread overview]
Message-ID: <20240508190749.80219-1-prestwoj@gmail.com> (raw)
Adds an IE parser for neighbor report elements
---
monitor/nlmon.c | 83 +++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 83 insertions(+)
diff --git a/monitor/nlmon.c b/monitor/nlmon.c
index 9fee5bde..a900f7cc 100644
--- a/monitor/nlmon.c
+++ b/monitor/nlmon.c
@@ -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[] = {
{ IE_TYPE_SSID, "SSID",
ATTR_CUSTOM, { .function = print_ie_ssid } },
@@ -2520,6 +2600,8 @@ static struct attr_entry ie_entry[] = {
ATTR_CUSTOM, { .function = print_reduced_neighbor_report } },
{ IE_TYPE_RSNX, "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);
break;
case 1:
+ case 5:
print_rm_report(level + 1, body + 1, body_len - 1);
break;
}
--
2.34.1
next reply other threads:[~2024-05-08 19:07 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-05-08 19:07 James Prestwood [this message]
2024-05-09 15:24 ` [PATCH] nlmon: parse/print neighbor reports Denis Kenzior
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20240508190749.80219-1-prestwoj@gmail.com \
--to=prestwoj@gmail.com \
--cc=iwd@lists.linux.dev \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).