* [PATCH] iw: print HE capabilities
@ 2019-05-20 10:54 John Crispin
2019-05-23 15:22 ` Sven Eckelmann
0 siblings, 1 reply; 2+ messages in thread
From: John Crispin @ 2019-05-20 10:54 UTC (permalink / raw)
To: Johannes Berg; +Cc: linux-wireless, John Crispin, Shashidhar Lakkavalli
Print the HE MAC/PHY capabilities and MCS/NSS sets.
Signed-off-by: Shashidhar Lakkavalli <slakkavalli@datto.com>
Signed-off-by: John Crispin <john@phrozen.org>
---
info.c | 6 ++
iw.h | 1 +
util.c | 231 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++
3 files changed, 238 insertions(+)
diff --git a/info.c b/info.c
index 92c7d1d..e6270c8 100644
--- a/info.c
+++ b/info.c
@@ -162,7 +162,13 @@ static int print_phy_handler(struct nl_msg *msg, void *arg)
tb_band[NL80211_BAND_ATTR_VHT_MCS_SET])
print_vht_info(nla_get_u32(tb_band[NL80211_BAND_ATTR_VHT_CAPA]),
nla_data(tb_band[NL80211_BAND_ATTR_VHT_MCS_SET]));
+ if (tb_band[NL80211_BAND_ATTR_IFTYPE_DATA]) {
+ struct nlattr *nl_iftype;
+ int rem_band;
+ nla_for_each_nested(nl_iftype, tb_band[NL80211_BAND_ATTR_IFTYPE_DATA], rem_band)
+ print_he_info(nl_iftype);
+ }
if (tb_band[NL80211_BAND_ATTR_FREQS]) {
if (!band_had_freq) {
printf("\t\tFrequencies:\n");
diff --git a/iw.h b/iw.h
index ca8a0ff..bc0b3ac 100644
--- a/iw.h
+++ b/iw.h
@@ -197,6 +197,7 @@ void print_ampdu_length(__u8 exponent);
void print_ampdu_spacing(__u8 spacing);
void print_ht_capability(__u16 cap);
void print_vht_info(__u32 capa, const __u8 *mcs);
+void print_he_info(struct nlattr *nl_iftype);
char *channel_width_name(enum nl80211_chan_width width);
const char *iftype_name(enum nl80211_iftype iftype);
diff --git a/util.c b/util.c
index 2fa0b74..1b5aae1 100644
--- a/util.c
+++ b/util.c
@@ -1101,6 +1101,237 @@ void print_vht_info(__u32 capa, const __u8 *mcs)
printf("\t\tVHT TX highest supported: %d Mbps\n", tmp & 0x1fff);
}
+void print_he_info(struct nlattr *nl_iftype)
+{
+ struct nlattr *tb[NL80211_BAND_IFTYPE_ATTR_MAX + 1];
+ struct nlattr *tb_flags[NL80211_IFTYPE_MAX + 1];
+ char *iftypes[NUM_NL80211_IFTYPES] = {
+ "Unspec", "Adhoc", "Station", "AP", "AP/VLAN", "WDS", "Monitor"
+ "Mesh", "P2P/Client", "P2P/Go", "P2P/Device", "OCB", "NAN",
+ };
+ __u16 mac_cap[3] = { 0 };
+ __u16 phy_cap[6] = { 0 };
+ __u16 mcs_set[6] = { 0 };
+ __u8 ppet[25] = { 0 };
+ size_t len;
+ int i;
+
+ #define PRINT_HE_CAP(_var, _idx, _bit, _str) \
+ do { \
+ if (_var[_idx] & BIT(_bit)) \
+ printf("\t\t\t\t" _str "\n"); \
+ } while (0)
+
+ #define PRINT_HE_CAP_MASK(_var, _idx, _shift, _mask, _str) \
+ do { \
+ if ((_var[_idx] >> _shift) & _mask) \
+ printf("\t\t\t\t" _str ": %d\n", (_var[_idx] >> _shift) & _mask); \
+ } while (0)
+
+ #define PRINT_HE_MAC_CAP(...) PRINT_HE_CAP(mac_cap, __VA_ARGS__)
+ #define PRINT_HE_MAC_CAP_MASK(...) PRINT_HE_CAP_MASK(mac_cap, __VA_ARGS__)
+ #define PRINT_HE_PHY_CAP(...) PRINT_HE_CAP(phy_cap, __VA_ARGS__)
+ #define PRINT_HE_PHY_CAP0(_idx, _bit, ...) PRINT_HE_CAP(phy_cap, _idx, _bit + 8, __VA_ARGS__)
+ #define PRINT_HE_PHY_CAP_MASK(...) PRINT_HE_CAP_MASK(phy_cap, __VA_ARGS__)
+
+ nla_parse(tb, NL80211_BAND_IFTYPE_ATTR_MAX,
+ nla_data(nl_iftype), nla_len(nl_iftype), NULL);
+
+ if (!tb[NL80211_BAND_IFTYPE_ATTR_IFTYPES])
+ return;
+
+ if (nla_parse_nested(tb_flags, NL80211_IFTYPE_MAX,
+ tb[NL80211_BAND_IFTYPE_ATTR_IFTYPES], NULL))
+ return;
+
+ printf("\t\tHE Iftypes:");
+ for (i = 0; i < NUM_NL80211_IFTYPES; i++)
+ if (nla_get_flag(tb_flags[i]) && iftypes[i])
+ printf(" %s", iftypes[i]);
+ printf("\n");
+
+ if (tb[NL80211_BAND_IFTYPE_ATTR_HE_CAP_MAC]) {
+ len = nla_len(tb[NL80211_BAND_IFTYPE_ATTR_HE_CAP_MAC]);
+ if (len > sizeof(mac_cap))
+ len = sizeof(mac_cap);
+ memcpy(mac_cap,
+ nla_data(tb[NL80211_BAND_IFTYPE_ATTR_HE_CAP_MAC]),
+ len);
+ }
+ printf("\t\t\tHE MAC Capabilities (0x");
+ for (i = 0; i < 3; i++)
+ printf("%04x", mac_cap[i]);
+ printf("):\n");
+
+ PRINT_HE_MAC_CAP(0, 0, "+HTC HE Supported");
+ PRINT_HE_MAC_CAP(0, 1, "TWT Requester");
+ PRINT_HE_MAC_CAP(0, 2, "TWT Responder");
+ PRINT_HE_MAC_CAP_MASK(0, 3, 0x3, "Dynamic BA Fragementation Level");
+ PRINT_HE_MAC_CAP_MASK(0, 5, 0x7, "Maximum number of MSDUS Fragments");
+ PRINT_HE_MAC_CAP_MASK(0, 8, 0x3, "Minimum Payload size of 128 bytes");
+ PRINT_HE_MAC_CAP_MASK(0, 10, 0x3, "Trigger Frame MAC Padding Duration");
+ PRINT_HE_MAC_CAP_MASK(0, 12, 0x7, "Multi-TID Aggregation Support");
+
+ PRINT_HE_MAC_CAP(1, 1, "All Ack");
+ PRINT_HE_MAC_CAP(1, 2, "TRS");
+ PRINT_HE_MAC_CAP(1, 3, "BSR");
+ PRINT_HE_MAC_CAP(1, 4, "Broadcast TWT");
+ PRINT_HE_MAC_CAP(1, 5, "32-bit BA Bitmap");
+ PRINT_HE_MAC_CAP(1, 6, "MU Cascading");
+ PRINT_HE_MAC_CAP(1, 7, "Ack-Enabled Aggregation");
+ PRINT_HE_MAC_CAP(1, 9, "OM Control");
+ PRINT_HE_MAC_CAP(1, 10, "OFDMA RA");
+ PRINT_HE_MAC_CAP_MASK(1, 11, 0x3, "Maximum A-MPDU Length Exponent");
+ PRINT_HE_MAC_CAP(1, 13, "A-MSDU Fragmentation");
+ PRINT_HE_MAC_CAP(1, 14, "Flexible TWT Scheduling");
+ PRINT_HE_MAC_CAP(1, 15, "RX Control Frame to MultiBSS");
+
+ PRINT_HE_MAC_CAP(2, 0, "BSRP BQRP A-MPDU Aggregation");
+ PRINT_HE_MAC_CAP(2, 1, "QTP");
+ PRINT_HE_MAC_CAP(2, 2, "BQR");
+ PRINT_HE_MAC_CAP(2, 3, "SRP Responder Role");
+ PRINT_HE_MAC_CAP(2, 4, "NDP Feedback Report");
+ PRINT_HE_MAC_CAP(2, 5, "OPS");
+ PRINT_HE_MAC_CAP(2, 6, "A-MSDU in A-MPDU");
+ PRINT_HE_MAC_CAP_MASK(2, 7, 7, "Multi-TID Aggregation TX");
+ PRINT_HE_MAC_CAP(2, 10, "HE Subchannel Selective Transmission");
+ PRINT_HE_MAC_CAP(2, 11, "UL 2x996-Tone RU");
+ PRINT_HE_MAC_CAP(2, 12, "OM Control UL MU Data Disable RX");
+
+ if (tb[NL80211_BAND_IFTYPE_ATTR_HE_CAP_PHY]) {
+ len = nla_len(tb[NL80211_BAND_IFTYPE_ATTR_HE_CAP_PHY]);
+
+ if (len > sizeof(phy_cap) - 1)
+ len = sizeof(phy_cap) - 1;
+ memcpy(&((__u8 *)phy_cap)[1],
+ nla_data(tb[NL80211_BAND_IFTYPE_ATTR_HE_CAP_PHY]),
+ len);
+ }
+ printf("\t\t\tHE PHY Capabilities: (0x");
+ for (i = 0; i < 11; i++)
+ printf("%02x", ((__u8 *)phy_cap)[i + 1]);
+ printf("):\n");
+
+ PRINT_HE_PHY_CAP0(0, 1, "HE40/2.4GHz");
+ PRINT_HE_PHY_CAP0(0, 2, "HE40/HE80/5GHz");
+ PRINT_HE_PHY_CAP0(0, 3, "HE160/5GHz");
+ PRINT_HE_PHY_CAP0(0, 4, "HE160/HE80+80/5GHz");
+ PRINT_HE_PHY_CAP0(0, 5, "242 tone RUs/2.4GHz");
+ PRINT_HE_PHY_CAP0(0, 6, "242 tone RUs/5GHz");
+
+ PRINT_HE_PHY_CAP_MASK(1, 0, 0xf, "Punctured Preamble RX");
+ PRINT_HE_PHY_CAP_MASK(1, 4, 0x1, "Device Class");
+ PRINT_HE_PHY_CAP(1, 5, "LDPC Coding in Payload");
+ PRINT_HE_PHY_CAP(1, 6, "HE SU PPDU with 1x HE-LTF and 0.8us GI");
+ PRINT_HE_PHY_CAP_MASK(1, 7, 0x3, "Midamble Rx Max NSTS");
+ PRINT_HE_PHY_CAP(1, 9, "NDP with 4x HE-LTF and 3.2us GI");
+ PRINT_HE_PHY_CAP(1, 10, "STBC Tx <= 80MHz");
+ PRINT_HE_PHY_CAP(1, 11, "STBC Rx <= 80MHz");
+ PRINT_HE_PHY_CAP(1, 12, "Doppler Tx");
+ PRINT_HE_PHY_CAP(1, 13, "Doppler Rx");
+ PRINT_HE_PHY_CAP(1, 14, "Full Bandwidth UL MU-MIMO");
+ PRINT_HE_PHY_CAP(1, 15, "Partial Bandwidth UL MU-MIMO");
+
+ PRINT_HE_PHY_CAP_MASK(2, 0, 0x3, "DCM Max Constellation");
+ PRINT_HE_PHY_CAP_MASK(2, 2, 0x1, "DCM Max NSS Tx");
+ PRINT_HE_PHY_CAP_MASK(2, 3, 0x3, "DCM Max Constellation Rx");
+ PRINT_HE_PHY_CAP_MASK(2, 5, 0x1, "DCM Max NSS Rx");
+ PRINT_HE_PHY_CAP(2, 6, "Rx HE MU PPDU from Non-AP STA");
+ PRINT_HE_PHY_CAP(2, 7, "SU Beamformer");
+ PRINT_HE_PHY_CAP(2, 8, "SU Beamformee");
+ PRINT_HE_PHY_CAP(2, 9, "MU Beamformer");
+ PRINT_HE_PHY_CAP_MASK(2, 10, 0x7, "Beamformee STS <= 80Mhz");
+ PRINT_HE_PHY_CAP_MASK(2, 13, 0x7, "Beamformee STS > 80Mhz");
+
+ PRINT_HE_PHY_CAP_MASK(3, 0, 0x7, "Sounding Dimensions <= 80Mhz");
+ PRINT_HE_PHY_CAP_MASK(3, 3, 0x7, "Sounding Dimensions > 80Mhz");
+ PRINT_HE_PHY_CAP(3, 6, "Ng = 16 SU Feedback");
+ PRINT_HE_PHY_CAP(3, 7, "Ng = 16 MU Feedback");
+ PRINT_HE_PHY_CAP(3, 8, "Codebook Size SU Feedback");
+ PRINT_HE_PHY_CAP(3, 9, "Codebook Size MU Feedback");
+ PRINT_HE_PHY_CAP(3, 10, "Triggered SU Beamforming Feedback");
+ PRINT_HE_PHY_CAP(3, 11, "Triggered MU Beamforming Feedback");
+ PRINT_HE_PHY_CAP(3, 12, "Triggered CQI Feedback");
+ PRINT_HE_PHY_CAP(3, 13, "Partial Bandwidth Extended Range");
+ PRINT_HE_PHY_CAP(3, 14, "Partial Bandwidth DL MU-MIMO");
+ PRINT_HE_PHY_CAP(3, 15, "PPE Threshold Present");
+
+ PRINT_HE_PHY_CAP(4, 0, "SRP-based SR");
+ PRINT_HE_PHY_CAP(4, 1, "Power Boost Factor ar");
+ PRINT_HE_PHY_CAP(4, 2, "HE SU PPDU & HE PPDU 4x HE-LTF 0.8us GI");
+ PRINT_HE_PHY_CAP_MASK(4, 3, 0x7, "Max NC");
+ PRINT_HE_PHY_CAP(4, 6, "STBC Tx > 80MHz");
+ PRINT_HE_PHY_CAP(4, 7, "STBC Rx > 80MHz");
+ PRINT_HE_PHY_CAP(4, 8, "HE ER SU PPDU 4x HE-LTF 0.8us GI");
+ PRINT_HE_PHY_CAP(4, 9, "20MHz in 40MHz HE PPDU 2.4GHz");
+ PRINT_HE_PHY_CAP(4, 10, "20MHz in 160/80+80MHz HE PPDU");
+ PRINT_HE_PHY_CAP(4, 11, "80MHz in 160/80+80MHz HE PPDU");
+ PRINT_HE_PHY_CAP(4, 12, "HE ER SU PPDU 1x HE-LTF 0.8us GI");
+ PRINT_HE_PHY_CAP(4, 13, "Midamble Rx 2x & 1x HE-LTF");
+ PRINT_HE_PHY_CAP_MASK(4, 14, 0x3, "DCM Max BW");
+
+ PRINT_HE_PHY_CAP(5, 0, "Longer Than 16HE SIG-B OFDM Symbols");
+ PRINT_HE_PHY_CAP(5, 1, "Non-Triggered CQI Feedback");
+ PRINT_HE_PHY_CAP(5, 2, "TX 1024-QAM");
+ PRINT_HE_PHY_CAP(5, 3, "RX 1024-QAM");
+ PRINT_HE_PHY_CAP(5, 4, "RX Full BW SU Using HE MU PPDU with Compression SIGB");
+ PRINT_HE_PHY_CAP(5, 5, "RX Full BW SU Using HE MU PPDU with Non-Compression SIGB");
+
+ if (tb[NL80211_BAND_IFTYPE_ATTR_HE_CAP_MCS_SET]) {
+ len = nla_len(tb[NL80211_BAND_IFTYPE_ATTR_HE_CAP_MCS_SET]);
+ if (len > sizeof(mcs_set))
+ len = sizeof(mcs_set);
+ memcpy(mcs_set,
+ nla_data(tb[NL80211_BAND_IFTYPE_ATTR_HE_CAP_MCS_SET]),
+ len);
+ }
+
+ for (i = 0; i < 3; i++) {
+ __u8 phy_cap_support[] = { BIT(1) | BIT(2), BIT(3), BIT(4) };
+ char *bw[] = { "<= 80", "160", "80+80" };
+ int j;
+
+ if ((phy_cap[0] & (phy_cap_support[i] << 8)) == 0)
+ continue;
+
+ for (j = 0; j < 2; j++) {
+ int k;
+ printf("\t\t\tHE %s MCS and NSS set %s MHz\n", j ? "TX" : "RX", bw[i]);
+ for (k = 0; k < 8; k++) {
+ __u16 mcs = mcs_set[(i * 2) + j];
+ mcs >>= k * 2;
+ mcs &= 0x3;
+ printf("\t\t\t\t\t %d streams: ", k + 1);
+ if (mcs == 3)
+ printf("not supported\n");
+ else
+ printf("MCS 0-%d\n", 7 + (mcs * 2));
+ }
+
+ }
+ }
+
+ len = 0;
+ if (tb[NL80211_BAND_IFTYPE_ATTR_HE_CAP_PPE]) {
+ len = nla_len(tb[NL80211_BAND_IFTYPE_ATTR_HE_CAP_PPE]);
+ if (len > sizeof(ppet))
+ len = sizeof(ppet);
+ memcpy(ppet,
+ nla_data(tb[NL80211_BAND_IFTYPE_ATTR_HE_CAP_PPE]),
+ len);
+ }
+
+ if (len && (phy_cap[3] & BIT(15))) {
+ size_t i;
+
+ printf("\t\t\tPPE Threshold ");
+ for (i = 0; i < len; i++)
+ if (ppet[i])
+ printf("0x%02x ", ppet[i]);
+ printf("\n");
+ }
+}
+
void iw_hexdump(const char *prefix, const __u8 *buf, size_t size)
{
size_t i;
--
2.20.1
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH] iw: print HE capabilities
2019-05-20 10:54 [PATCH] iw: print HE capabilities John Crispin
@ 2019-05-23 15:22 ` Sven Eckelmann
0 siblings, 0 replies; 2+ messages in thread
From: Sven Eckelmann @ 2019-05-23 15:22 UTC (permalink / raw)
To: John Crispin; +Cc: Johannes Berg, linux-wireless, Shashidhar Lakkavalli
[-- Attachment #1: Type: text/plain, Size: 568 bytes --]
On Monday, 20 May 2019 12:54:16 CEST John Crispin wrote:
> + char *iftypes[NUM_NL80211_IFTYPES] = {
> + "Unspec", "Adhoc", "Station", "AP", "AP/VLAN", "WDS", "Monitor"
> + "Mesh", "P2P/Client", "P2P/Go", "P2P/Device", "OCB", "NAN",
> + };
Noticed during tests with hwsim that this list is slightly incorrect - because
the "," is missing after "Monitor". Thus you will now have an entry
"MonitorMesh" instead of two entries "Monitor" + "Mesh". So everything after
NL80211_IFTYPE_MESH_POINT is off by one.
Kind regards,
Sven
[-- Attachment #2: This is a digitally signed message part. --]
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2019-05-20 10:54 [PATCH] iw: print HE capabilities John Crispin
2019-05-23 15:22 ` Sven Eckelmann
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