To display the max number of simultaneous links in phy info
The maximum number of simultaneous links affiliated to an AP-MLD
Present as a subfield in MLD capabilities and operations,the
Capability is extracted through nl80211 specific attribute
and added as part of phy information.
usage: iw <phy interface>
output:
Wiphy phy00
wiphy index: 0
max # scan SSIDs: 16
max scan IEs length: 83 bytes
max # sched scan SSIDs: 0
max # match sets: 0
Retry short limit: 7
Retry long limit: 4
Coverage class: 0 (up to 0m)
Device supports AP-side u-APSD.
Available Antennas: TX 0xf RX 0xf
Configured Antennas: TX 0xf RX 0xf
Supported interface modes:
* managed
* AP
* AP/VLAN
* monitor
* mesh point
Band 1:
Capabilities: 0x19ef
RX LDPC
HT20/HT40
SM Power Save disabled
RX HT20 SGI
RX HT40 SGI
TX STBC
RX STBC 1-stream
Max AMSDU length: 7935 bytes
DSSS/CCK HT40
.
.
.
.
.
.
.
.
.
* [ BSS_COLOR ]: BSS coloring support
* [ RADAR_BACKGROUND ]: Radar background support
* [ STA_MGMT_RTS_CTS ]: station management RTS CTS support
MLD Capability: 0x44
Max Number of Simultaneous Links: 4
hw_idx 0 channel list:
1 2 3 4 5 6 7 8 9 10 11 12 13 14
hw_idx 1 channel list:
36 40 44 48 52 56 60 64 100 104 108 112 116 120 124 128
132 136 140 144 149 153 157 161 165 169 173 177
hw_idx 2 channel list:
1 2 5 9 13 17 21 25 29 33 37 41 45 49 53 57 61 65 69 73
77 81 85 89 93 97 101 105 109 113 117 121 125 129 133
137 141 145 149 153 157 161 165 169 173 177 181 185 189
193 197 201 205 209 213 217 221 225 229 233
Signed-off-by: Mohan Raj <quic_mrajraje@xxxxxxxxxxx>
---
info.c | 25 +++++++++++++++++++++++++
1 file changed, 25 insertions(+)
diff --git a/info.c b/info.c
index c5e863f..0d19d99 100644
--- a/info.c
+++ b/info.c
@@ -884,6 +884,31 @@ broken_combination:
if (tb_msg[NL80211_ATTR_MAX_AP_ASSOC_STA])
printf("\tMaximum associated stations in AP mode: %u\n",
nla_get_u32(tb_msg[NL80211_ATTR_MAX_AP_ASSOC_STA]));
+ if (tb_msg[NL80211_ATTR_IFTYPE_EXT_CAPA]) {
+ int rem_ext = 0;
+ struct nlattr *tb1[NL80211_ATTR_MAX + 1];
+ struct nlattr *ext_attr;
+ __u8 max_simul_links;
+ __u16 mld_cap;
+
+ nla_for_each_nested(ext_attr, tb_msg[NL80211_ATTR_IFTYPE_EXT_CAPA], rem_ext) {
+ nla_parse(tb1, NL80211_ATTR_MAX, nla_data(ext_attr),
+ nla_len(ext_attr), NULL);
+ if (tb1[NL80211_ATTR_EML_CAPABILITY] &&
+ tb1[NL80211_ATTR_MLD_CAPA_AND_OPS]) {
+ mld_cap = nla_get_u16(tb1[NL80211_ATTR_MLD_CAPA_AND_OPS]);
+
+ if (mld_cap != 0) {
+ printf("\tMLD Capability: 0x%x\n",
+ nla_get_u16(tb1[NL80211_ATTR_MLD_CAPA_AND_OPS]));
+ max_simul_links = mld_cap & 0xf;
+ printf("\t\tMax Number of Simultaneous Links: %d\n",
+ max_simul_links);
+ }
+ }
+ }
+ }
+
return NL_SKIP;
}
--
2.34.1
