T6693: wireless: Enable WiFi-6 (802.11ax) for 2.4GHz AccessPoints (#4045)

(cherry picked from commit 194a14e958ad336d590ba8f076e163f6908dcddc)

Co-authored-by: Alain Lamar <alain_lamar@yahoo.de>

3 files changed, 151 insertions, 18 deletions

diff --git a/data/templates/wifi/hostapd.conf.j2 b/data/templates/wifi/hostapd.conf.j2
index 0459fbc69..5f3757216 100644
--- a/data/templates/wifi/hostapd.conf.j2
+++ b/data/templates/wifi/hostapd.conf.j2
@@ -46,7 +46,14 @@ hw_mode=a
 ieee80211h=1
 ieee80211ac=1
 {%     elif mode is vyos_defined('ax') %}
+{#{%         if capabilities.ht is vyos_defined and capabilities.vht not vyos_defined %}#}
+{%         if capabilities.he.channel_set_width is vyos_defined('81') or capabilities.he.channel_set_width is vyos_defined('83') or capabilities.he.channel_set_width is vyos_defined('84') %}
+{#         This is almost certainly a 2.4GHz network #}
+hw_mode=g
+{%         else %}
+{#         This is likely a 5GHz or 6GHz network #}
 hw_mode=a
+{%         endif %}
 ieee80211h=1
 ieee80211ax=1
 {%     else %}
@@ -202,7 +209,7 @@ require_he=1
 {% else %}
 ieee80211n={{ '1' if 'n' in mode or 'ac' in mode or 'ax' in mode else '0' }}
 {% endif %}
-{# HE (802.11ax 6GHz) #}
+{# HE (802.11ax) #}
 {% if capabilities.he is vyos_defined and mode in 'ax' %}
 {# For now, hard-code power levels for indoor-only AP #}
 he_6ghz_reg_pwr_type=0
@@ -220,6 +227,9 @@ op_class={{ capabilities.he.channel_set_width }}
 {%     if capabilities.he.bss_color is vyos_defined %}
 he_bss_color={{ capabilities.he.bss_color }}
 {%     endif %}
+{%     if capabilities.he.coding_scheme is vyos_defined %}
+he_basic_mcs_nss_set={{ capabilities.he.coding_scheme }}
+{%     endif %}
 he_6ghz_rx_ant_pat={{ '1' if capabilities.he.antenna_pattern_fixed is vyos_defined else '0' }}
 he_su_beamformer={{ '1' if capabilities.he.beamform.single_user_beamformer is vyos_defined else '0' }}
 he_su_beamformee={{ '1' if capabilities.he.beamform.single_user_beamformee is vyos_defined else '0' }}
diff --git a/interface-definitions/interfaces_wireless.xml.in b/interface-definitions/interfaces_wireless.xml.in
index 0a62b3255..4de90591b 100644
--- a/interface-definitions/interfaces_wireless.xml.in
+++ b/interface-definitions/interfaces_wireless.xml.in
@@ -248,26 +248,26 @@
                         <properties>
                           <help>VHT operating channel center frequency - center freq 1 (for use with 80, 80+80 and 160 modes)</help>
                           <valueHelp>
-                            <format>u32:34-173</format>
+                            <format>u32:34-177</format>
                             <description>5Ghz (802.11 a/h/j/n/ac) center channel index (use 42 for primary 80MHz channel 36)</description>
                           </valueHelp>
                           <constraint>
-                            <validator name="numeric" argument="--range 34-173"/>
+                            <validator name="numeric" argument="--range 34-177"/>
                           </constraint>
-                          <constraintErrorMessage>Channel center value must be between 34 and 173</constraintErrorMessage>
+                          <constraintErrorMessage>Channel center value must be between 34 and 177</constraintErrorMessage>
                         </properties>
                       </leafNode>
                       <leafNode name="freq-2">
                         <properties>
                           <help>VHT operating channel center frequency - center freq 2 (for use with the 80+80 mode)</help>
                           <valueHelp>
-                            <format>u32:34-173</format>
+                            <format>u32:34-177</format>
                             <description>5Ghz (802.11 ac) center channel index (use 58 for secondary 80MHz channel 52)</description>
                           </valueHelp>
                           <constraint>
-                            <validator name="numeric" argument="--range 34-173"/>
+                            <validator name="numeric" argument="--range 34-177"/>
                           </constraint>
-                          <constraintErrorMessage>Channel center value must be between 34 and 173</constraintErrorMessage>
+                          <constraintErrorMessage>Channel center value must be between 34 and 177</constraintErrorMessage>
                         </properties>
                       </leafNode>
                     </children>
@@ -436,30 +436,42 @@
                           https://w1.fi/cgit/hostap/tree/src/common/ieee802_11_common.c?id=195cc3d919503fb0d699d9a56a58a72602b25f51#n1525
                           802.11ax (WiFi-6e - HE) can use up to 160MHz bandwidth channels
                         -->
-                        <list>131 132 133 134 135</list>
+                        <list>81 83 84 131 132 133 134 135</list>
                       </completionHelp>
                       <valueHelp>
+                        <format>81</format>
+                        <description>2.4GHz, 20 MHz channel width</description>
+                      </valueHelp>
+                      <valueHelp>
+                        <format>83</format>
+                        <description>2.4GHz, 40 MHz channel width, secondary 20MHz channel above primary channel</description>
+                      </valueHelp>
+                      <valueHelp>
+                        <format>84</format>
+                        <description>2.4GHz, 40 MHz channel width, secondary 20MHz channel below primary channel</description>
+                      </valueHelp>
+                      <valueHelp>
                         <format>131</format>
-                        <description>20 MHz channel width</description>
+                        <description>6GHz, 20 MHz channel width</description>
                       </valueHelp>
                       <valueHelp>
                         <format>132</format>
-                        <description>40 MHz channel width</description>
+                        <description>6GHz, 40 MHz channel width</description>
                       </valueHelp>
                       <valueHelp>
                         <format>133</format>
-                        <description>80 MHz channel width</description>
+                        <description>6GHz, 80 MHz channel width</description>
                       </valueHelp>
                       <valueHelp>
                         <format>134</format>
-                        <description>160 MHz channel width</description>
+                        <description>6GHz, 160 MHz channel width</description>
                       </valueHelp>
                       <valueHelp>
                         <format>135</format>
-                        <description>80+80 MHz channel width</description>
+                        <description>6GHz, 80+80 MHz channel width</description>
                       </valueHelp>
                       <constraint>
-                        <regex>(131|132|133|134|135)</regex>
+                        <regex>(81|83|84|131|132|133|134|135)</regex>
                       </constraint>
                     </properties>
                   </leafNode>
@@ -535,6 +547,30 @@
                       </constraint>
                     </properties>
                   </leafNode>
+                  <leafNode name="coding-scheme">
+                    <properties>
+                      <help>Spacial Stream and Modulation Coding Scheme settings</help>
+                      <valueHelp>
+                        <format>u32:0</format>
+                        <description>HE-MCS 0-7</description>
+                      </valueHelp>
+                      <valueHelp>
+                        <format>u32:1</format>
+                        <description>HE-MCS 0-9</description>
+                      </valueHelp>
+                      <valueHelp>
+                        <format>u32:2</format>
+                        <description>HE-MCS 0-11</description>
+                      </valueHelp>
+                      <valueHelp>
+                        <format>u32:3</format>
+                        <description>HE-MCS is not supported</description>
+                      </valueHelp>
+                      <constraint>
+                        <validator name="numeric" argument="--range 0-3"/>
+                      </constraint>
+                    </properties>
+                  </leafNode>
                 </children>
               </node>
               <leafNode name="require-he">
@@ -554,10 +590,10 @@
               </valueHelp>
               <valueHelp>
                 <format>u32:1-14</format>
-                <description>2.4Ghz (802.11 b/g/n) Channel</description>
+                <description>2.4Ghz (802.11 b/g/n/ax) Channel</description>
               </valueHelp>
               <valueHelp>
-                <format>u32:34-173</format>
+                <format>u32:34-177</format>
                 <description>5Ghz (802.11 a/h/j/n/ac) Channel</description>
               </valueHelp>
               <valueHelp>
@@ -565,7 +601,7 @@
                 <description>6Ghz (802.11 ax) Channel</description>
               </valueHelp>
               <constraint>
-                <validator name="numeric" argument="--range 0-0 --range 1-14 --range 34-173 --range 1-233"/>
+                <validator name="numeric" argument="--range 0-0 --range 1-14 --range 34-177 --range 1-233"/>
               </constraint>
             </properties>
             <defaultValue>0</defaultValue>
diff --git a/smoketest/scripts/cli/test_interfaces_wireless.py b/smoketest/scripts/cli/test_interfaces_wireless.py
index 7bfe0d221..b8b18f30f 100755
--- a/smoketest/scripts/cli/test_interfaces_wireless.py
+++ b/smoketest/scripts/cli/test_interfaces_wireless.py
@@ -300,7 +300,89 @@ class WirelessInterfaceTest(BasicInterfaceTest.TestCase):
         for key, value in vht_opt.items():
             self.assertIn(value, tmp)
 
-    def test_wireless_hostapd_he_config(self):
+    def test_wireless_hostapd_he_2ghz_config(self):
+        # Only set the hostapd (access-point) options - HE mode for 802.11ax at 2.4GHz
+        interface = self._interfaces[1] # wlan1
+        ssid = 'ssid'
+        channel = '1'
+        sae_pw = 'VyOSVyOSVyOS'
+        bss_color = '13'
+        channel_set_width = '81'
+
+        self.cli_set(self._base_path + [interface, 'ssid', ssid])
+        self.cli_set(self._base_path + [interface, 'type', 'access-point'])
+        self.cli_set(self._base_path + [interface, 'channel', channel])
+        self.cli_set(self._base_path + [interface, 'mode', 'ax'])
+        self.cli_set(self._base_path + [interface, 'security', 'wpa', 'mode', 'wpa2'])
+        self.cli_set(self._base_path + [interface, 'security', 'wpa', 'passphrase', sae_pw])
+        self.cli_set(self._base_path + [interface, 'security', 'wpa', 'cipher', 'CCMP'])
+        self.cli_set(self._base_path + [interface, 'security', 'wpa', 'cipher', 'GCMP'])
+        self.cli_set(self._base_path + [interface, 'capabilities', 'ht', '40mhz-incapable'])
+        self.cli_set(self._base_path + [interface, 'capabilities', 'ht', 'channel-set-width', 'ht20'])
+        self.cli_set(self._base_path + [interface, 'capabilities', 'ht', 'channel-set-width', 'ht40+'])
+        self.cli_set(self._base_path + [interface, 'capabilities', 'ht', 'channel-set-width', 'ht40-'])
+        self.cli_set(self._base_path + [interface, 'capabilities', 'ht', 'short-gi', '20'])
+        self.cli_set(self._base_path + [interface, 'capabilities', 'ht', 'short-gi', '40'])
+        self.cli_set(self._base_path + [interface, 'capabilities', 'he', 'bss-color', bss_color])
+        self.cli_set(self._base_path + [interface, 'capabilities', 'he', 'channel-set-width', channel_set_width])
+        self.cli_set(self._base_path + [interface, 'capabilities', 'he', 'beamform', 'multi-user-beamformer'])
+        self.cli_set(self._base_path + [interface, 'capabilities', 'he', 'beamform', 'single-user-beamformer'])
+        self.cli_set(self._base_path + [interface, 'capabilities', 'he', 'beamform', 'single-user-beamformee'])
+
+        self.cli_commit()
+
+        #
+        # Validate Config
+        #
+        tmp = get_config_value(interface, 'interface')
+        self.assertEqual(interface, tmp)
+
+        # ssid
+        tmp = get_config_value(interface, 'ssid')
+        self.assertEqual(ssid, tmp)
+
+        # mode of operation resulting from [interface, 'mode', 'ax']
+        tmp = get_config_value(interface, 'hw_mode')
+        self.assertEqual('g', tmp)
+        tmp = get_config_value(interface, 'ieee80211h')
+        self.assertEqual('1', tmp)
+        tmp = get_config_value(interface, 'ieee80211ax')
+        self.assertEqual('1', tmp)
+
+        # channel and channel width
+        tmp = get_config_value(interface, 'channel')
+        self.assertEqual(channel, tmp)
+        tmp = get_config_value(interface, 'op_class')
+        self.assertEqual(channel_set_width, tmp)
+
+        # BSS coloring
+        tmp = get_config_value(interface, 'he_bss_color')
+        self.assertEqual(bss_color, tmp)
+
+        # sae_password
+        tmp = get_config_value(interface, 'wpa_passphrase')
+        self.assertEqual(sae_pw, tmp)
+
+        # WPA3 and dependencies
+        tmp = get_config_value(interface, 'wpa')
+        self.assertEqual('2', tmp)
+        tmp = get_config_value(interface, 'rsn_pairwise')
+        self.assertEqual('CCMP GCMP', tmp)
+        tmp = get_config_value(interface, 'wpa_key_mgmt')
+        self.assertEqual('WPA-PSK WPA-PSK-SHA256', tmp)
+
+        # beamforming
+        tmp = get_config_value(interface, 'he_mu_beamformer')
+        self.assertEqual('1', tmp)
+        tmp = get_config_value(interface, 'he_su_beamformee')
+        self.assertEqual('1', tmp)
+        tmp = get_config_value(interface, 'he_mu_beamformer')
+        self.assertEqual('1', tmp)
+
+        # Check for running process
+        self.assertTrue(process_named_running('hostapd'))
+
+    def test_wireless_hostapd_he_6ghz_config(self):
         # Only set the hostapd (access-point) options - HE mode for 802.11ax at 6GHz
         interface = self._interfaces[1] # wlan1
         ssid = 'ssid'
@@ -323,6 +405,7 @@ class WirelessInterfaceTest(BasicInterfaceTest.TestCase):
         self.cli_set(self._base_path + [interface, 'capabilities', 'he', 'bss-color', bss_color])
         self.cli_set(self._base_path + [interface, 'capabilities', 'he', 'channel-set-width', channel_set_width])
         self.cli_set(self._base_path + [interface, 'capabilities', 'he', 'center-channel-freq', 'freq-1', center_channel_freq_1])
+        self.cli_set(self._base_path + [interface, 'capabilities', 'he', 'antenna-pattern-fixed'])
         self.cli_set(self._base_path + [interface, 'capabilities', 'he', 'beamform', 'multi-user-beamformer'])
         self.cli_set(self._base_path + [interface, 'capabilities', 'he', 'beamform', 'single-user-beamformer'])
 
@@ -370,6 +453,10 @@ class WirelessInterfaceTest(BasicInterfaceTest.TestCase):
         tmp = get_config_value(interface, 'wpa_key_mgmt')
         self.assertEqual('SAE', tmp)
 
+        # antenna pattern
+        tmp = get_config_value(interface, 'he_6ghz_rx_ant_pat')
+        self.assertEqual('1', tmp)
+
         # beamforming
         tmp = get_config_value(interface, 'he_mu_beamformer')
         self.assertEqual('1', tmp)