diff mbox series

[v6,5/5] unit: add HE tests to test-band

Message ID 20220720221507.886811-5-prestwoj@gmail.com (mailing list archive)
State Accepted, archived
Headers show
Series [v6,1/5] ie: add validation for HE Capabilities element | expand

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Commit Message

James Prestwood July 20, 2022, 10:15 p.m. UTC 
This tests for all the possible widths selected in 2.4 and 5/6GHz,
as well as some failure tests.
---
 unit/test-band.c | 243 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 243 insertions(+)
diff mbox series

Patch

diff --git a/unit/test-band.c b/unit/test-band.c
index 0dd9b67b..90b48f9f 100644
--- a/unit/test-band.c
+++ b/unit/test-band.c
@@ -32,6 +32,8 @@ 
 #include <ell/ell.h>
 
 #include "src/band.h"
+#include "src/netdev.h"
+#include "src/ie.h"
 
 static struct band *new_band()
 {
@@ -284,6 +286,228 @@  static void band_test_vht_1(const void *data)
 	band_free(band);
 }
 
+struct he_test_data {
+	enum band_freq freq;
+	int32_t rssi;
+	uint64_t expected_rate;
+	int expected_return;
+	/* Own capabilities */
+	struct band_he_capabilities capabilities;
+	/* Peer HE Capabilities IE */
+	uint8_t he_capabilities[31];
+
+};
+
+/* IWD doesn't look at this */
+#define HE_MAC_CAPA 0, 0, 0, 0, 0, 0
+/* IWD only cares about the width set byte */
+#define HE_PHY_CAPA(wset) wset, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
+
+#define MCS7		0
+#define MCS9		1
+#define MCS11		2
+#define MCS_UNSUP	0xff, 0xff
+/* A readable macro for defining MCS sets */
+#define HE_MCS_SET(mcs, nss) \
+	(nss >= 1 ? mcs << 0 : 3 << 0) | \
+	(nss >= 2 ? mcs << 2 : 3 << 2) | \
+	(nss >= 3 ? mcs << 4 : 3 << 4) | \
+	(nss >= 4 ? mcs << 6 : 3 << 6),  \
+	(nss >= 5 ? mcs << 0 : 3 << 0) | \
+	(nss >= 6 ? mcs << 2 : 3 << 2) | \
+	(nss >= 7 ? mcs << 4 : 3 << 4) | \
+	(nss >= 8 ? mcs << 6 : 3 << 6)
+
+/* 2.4GHz, 20MHz, MCS 7, NSS 1 */
+const struct he_test_data he_test_2_4_20mhz_mcs_7_nss_1 = {
+	.freq = BAND_FREQ_2_4_GHZ,
+	.rssi = -20,
+	.expected_rate = 86000000ULL,
+	.capabilities = {
+		.he_mcs_set = { HE_MCS_SET(MCS7, 1), MCS_UNSUP },
+		.he_phy_capa = { HE_PHY_CAPA(0x00) },
+		.iftypes = 1 << NETDEV_IFTYPE_STATION,
+	},
+	.he_capabilities = {
+		22, IE_TYPE_HE_CAPABILITIES - 256, HE_MAC_CAPA,
+		HE_PHY_CAPA(0x00), MCS_UNSUP, HE_MCS_SET(MCS7, 1),
+	},
+};
+
+/* 2.4GHz, 40MHz, MCS 7, NSS 1 */
+const struct he_test_data he_test_2_4_40mhz_mcs_7_nss_1 = {
+	.freq = BAND_FREQ_2_4_GHZ,
+	.rssi = -20,
+	.expected_rate = 172000000ULL,
+	.capabilities = {
+		.he_mcs_set = { HE_MCS_SET(MCS7, 1), MCS_UNSUP },
+		.he_phy_capa = { HE_PHY_CAPA(0x02) },
+		.iftypes = 1 << NETDEV_IFTYPE_STATION,
+	},
+	.he_capabilities = {
+		22, IE_TYPE_HE_CAPABILITIES - 256, HE_MAC_CAPA,
+		HE_PHY_CAPA(0x02), MCS_UNSUP, HE_MCS_SET(MCS7, 1),
+	},
+};
+
+/* 5GHz, 20MHz, MCS 7, NSS 1 */
+const struct he_test_data he_test_5_20mhz_mcs_7_nss_1 = {
+	.freq = BAND_FREQ_5_GHZ,
+	.rssi = -20,
+	.expected_rate = 86000000ULL,
+	.capabilities = {
+		.he_mcs_set = { HE_MCS_SET(MCS7, 1), MCS_UNSUP },
+		.he_phy_capa = { HE_PHY_CAPA(0x00) },
+		.iftypes = 1 << NETDEV_IFTYPE_STATION,
+	},
+	.he_capabilities = {
+		22, IE_TYPE_HE_CAPABILITIES - 256, HE_MAC_CAPA,
+		HE_PHY_CAPA(0x00), MCS_UNSUP, HE_MCS_SET(MCS7, 1)
+	},
+};
+
+/* 5GHz, 80MHz, MCS 7, NSS 1 */
+const struct he_test_data he_test_5_80mhz_mcs_7_nss_1 = {
+	.freq = BAND_FREQ_5_GHZ,
+	.rssi = -20,
+	.expected_rate = 360300000ULL,
+	.capabilities = {
+		.he_mcs_set = { HE_MCS_SET(MCS7, 1), MCS_UNSUP },
+		.he_phy_capa = { HE_PHY_CAPA(0x04) },
+		.iftypes = 1 << NETDEV_IFTYPE_STATION,
+	},
+	.he_capabilities = {
+		22, IE_TYPE_HE_CAPABILITIES - 256, HE_MAC_CAPA,
+		HE_PHY_CAPA(0x04), MCS_UNSUP, HE_MCS_SET(MCS7, 1)
+	},
+};
+
+/* 5GHz, 160MHz, MCS 7, NSS 1 */
+const struct he_test_data he_test_5_160mhz_mcs_7_nss_1 = {
+	.freq = BAND_FREQ_5_GHZ,
+	.rssi = -20,
+	.expected_rate = 720600000ULL,
+	.capabilities = {
+		.he_mcs_set = { HE_MCS_SET(MCS7, 1), MCS_UNSUP,
+				HE_MCS_SET(MCS7, 1), MCS_UNSUP },
+		.he_phy_capa = { HE_PHY_CAPA(0x0c) },
+		.iftypes = 1 << NETDEV_IFTYPE_STATION,
+	},
+	.he_capabilities = {
+		26, IE_TYPE_HE_CAPABILITIES - 256, HE_MAC_CAPA,
+		HE_PHY_CAPA(0x0c), MCS_UNSUP, HE_MCS_SET(MCS7, 1),
+				MCS_UNSUP, HE_MCS_SET(MCS7, 1)
+	},
+};
+
+/* 5GHz, 160/80+80MHz, MCS 7, NSS 1 */
+const struct he_test_data he_test_5_160_80_P_80_mhz_mcs_7_nss_1 = {
+	.freq = BAND_FREQ_5_GHZ,
+	.rssi = -20,
+	.expected_rate = 720600000ULL,
+	.capabilities = {
+		.he_mcs_set = { HE_MCS_SET(MCS7, 1), MCS_UNSUP,
+				HE_MCS_SET(MCS7, 1), MCS_UNSUP,
+				HE_MCS_SET(MCS7, 1), MCS_UNSUP },
+		.he_phy_capa = { HE_PHY_CAPA(0x1c) },
+		.iftypes = 1 << NETDEV_IFTYPE_STATION,
+	},
+	.he_capabilities = {
+		30, IE_TYPE_HE_CAPABILITIES - 256, HE_MAC_CAPA,
+		HE_PHY_CAPA(0x1c), MCS_UNSUP, HE_MCS_SET(MCS7, 1),
+				MCS_UNSUP, HE_MCS_SET(MCS7, 1),
+				MCS_UNSUP, HE_MCS_SET(MCS7, 1)
+	},
+};
+
+/* 5GHz, max data rate */
+const struct he_test_data he_test_5_max_data_rate = {
+	.freq = BAND_FREQ_5_GHZ,
+	.rssi = -20,
+	.expected_rate = 1201000000ULL * 8ULL,
+	.capabilities = {
+		.he_mcs_set = { HE_MCS_SET(MCS11, 8), MCS_UNSUP,
+				HE_MCS_SET(MCS11, 8), MCS_UNSUP,
+				HE_MCS_SET(MCS11, 8), MCS_UNSUP },
+		.he_phy_capa = { HE_PHY_CAPA(0x1c) },
+		.iftypes = 1 << NETDEV_IFTYPE_STATION,
+	},
+	.he_capabilities = {
+		30, IE_TYPE_HE_CAPABILITIES - 256, HE_MAC_CAPA,
+		HE_PHY_CAPA(0x1c), MCS_UNSUP, HE_MCS_SET(MCS11, 8),
+				MCS_UNSUP, HE_MCS_SET(MCS11, 8),
+				MCS_UNSUP, HE_MCS_SET(MCS11, 8)
+	},
+};
+
+const struct he_test_data he_all_mcs_unsupported = {
+	.freq = BAND_FREQ_5_GHZ,
+	.rssi = -20,
+	.expected_rate = 1201000000ULL * 8ULL,
+	.expected_return = -EBADMSG,
+	.capabilities = {
+		.he_mcs_set = { MCS_UNSUP, MCS_UNSUP,
+				MCS_UNSUP, MCS_UNSUP,
+				MCS_UNSUP, MCS_UNSUP },
+		.he_phy_capa = { HE_PHY_CAPA(0x1c) },
+		.iftypes = 1 << NETDEV_IFTYPE_STATION,
+	},
+	.he_capabilities = {
+		30, IE_TYPE_HE_CAPABILITIES - 256, HE_MAC_CAPA,
+		HE_PHY_CAPA(0x1c), MCS_UNSUP, MCS_UNSUP,
+				MCS_UNSUP, MCS_UNSUP,
+				MCS_UNSUP, MCS_UNSUP
+	},
+};
+
+/* 5GHz, max data rate, low-rssi */
+const struct he_test_data he_test_5_low_rssi = {
+	.freq = BAND_FREQ_5_GHZ,
+	.rssi = -80, /* Should force 20MHz/MCS0 width to be used */
+	.expected_rate = 8600000ULL * 8ULL,
+	.capabilities = {
+		.he_mcs_set = { HE_MCS_SET(MCS11, 8), MCS_UNSUP,
+				HE_MCS_SET(MCS11, 8), MCS_UNSUP,
+				HE_MCS_SET(MCS11, 8), MCS_UNSUP },
+		.he_phy_capa = { HE_PHY_CAPA(0x1c) },
+		.iftypes = 1 << NETDEV_IFTYPE_STATION,
+	},
+	.he_capabilities = {
+		30, IE_TYPE_HE_CAPABILITIES - 256, HE_MAC_CAPA,
+		HE_PHY_CAPA(0x1c), MCS_UNSUP, HE_MCS_SET(MCS11, 8),
+				MCS_UNSUP, HE_MCS_SET(MCS11, 8),
+				MCS_UNSUP, HE_MCS_SET(MCS11, 8)
+	},
+};
+
+static void band_test_he(const void *data)
+{
+	const struct he_test_data *he_data = data;
+	struct band *band;
+	uint64_t rate = 0;
+	int ret;
+
+	band = new_band();
+	band->freq = he_data->freq;
+	band->he_capabilities = l_queue_new();
+
+	l_queue_push_tail(band->he_capabilities,
+				(void*)&(he_data->capabilities));
+
+	assert(ie_validate_he_capabilities(he_data->he_capabilities + 2,
+					he_data->he_capabilities[0]));
+
+	ret = band_estimate_he_rx_rate(band, he_data->he_capabilities + 2,
+					he_data->rssi, &rate);
+	assert(ret == he_data->expected_return);
+
+	if (ret == 0)
+		assert(rate == he_data->expected_rate);
+
+	l_queue_destroy(band->he_capabilities, NULL);
+	l_free(band);
+}
+
 struct oci2freq_data {
 	unsigned int op;
 	unsigned int chan;
@@ -436,6 +660,25 @@  int main(int argc, char *argv[])
 
 	l_test_add("/band/VHT/test1", band_test_vht_1, NULL);
 
+	l_test_add("/band/HE/test/2.4GHz/20MHz/MCS7/NSS1", band_test_he,
+					&he_test_2_4_20mhz_mcs_7_nss_1);
+	l_test_add("/band/HE/test/2.4GHz/40MHz/MCS7/NSS1", band_test_he,
+					&he_test_2_4_40mhz_mcs_7_nss_1);
+	l_test_add("/band/HE/test/5GHz/20MHz/MCS7/NSS1", band_test_he,
+					&he_test_5_20mhz_mcs_7_nss_1);
+	l_test_add("/band/HE/test/5GHz/80MHz/MCS7/NSS1", band_test_he,
+					&he_test_5_80mhz_mcs_7_nss_1);
+	l_test_add("/band/HE/test/5GHz/160MHz/MCS7/NSS1", band_test_he,
+					&he_test_5_160mhz_mcs_7_nss_1);
+	l_test_add("/band/HE/test/5GHz/160/80+80MHz/MCS7/NSS1", band_test_he,
+					&he_test_5_160_80_P_80_mhz_mcs_7_nss_1);
+	l_test_add("/band/HE/test/5GHz/max data rate", band_test_he,
+					&he_test_5_max_data_rate);
+	l_test_add("/band/HE/test/all MCS unsupported", band_test_he,
+					&he_all_mcs_unsupported);
+	l_test_add("/band/HE/test/low RSSI", band_test_he,
+					&he_test_5_low_rssi);
+
 	l_test_add("/band/oci2freq 1", test_oci2freq, &oci2freq_data_1);
 	l_test_add("/band/oci2freq 2", test_oci2freq, &oci2freq_data_2);
 	l_test_add("/band/oci2freq 3", test_oci2freq, &oci2freq_data_3);