[Silabs] Adds support for WPA3 transition mode for 917/916 NCP (#27334)

* WPA3 transition support * WPA3 transition mode support * wpa3 transition name changes * Restyled by clang-format * adding the wpa3 transition support for 917 ncp * Restyled by whitespace * Restyled by clang-format * wpa3 transition name changes * wpa3 transition personal * removing wpa3 transition personal * changing comments --------- Co-authored-by: Restyled.io <commits@restyled.io>
project-chip · Nov 28, 2023 · 3792650 · 3792650
1 parent 789b80f
commit 3792650
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Showing 7 changed files with 44 additions and 36 deletions.
diff --git a/examples/platform/silabs/SiWx917/BUILD.gn b/examples/platform/silabs/SiWx917/BUILD.gn
@@ -33,7 +33,7 @@ declare_args() {
   sl_wfx_config_scan = true
 
   # Argument to force enable WPA3 security on rs91x
-  rs91x_wpa3_only = false
+  rs91x_wpa3_transition = false
 
   # use commissionable data for SiWx917
   siwx917_commissionable_data = false
@@ -219,8 +219,8 @@ config("silabs-wifi-config") {
     defines += [ "CHIP_DEVICE_CONFIG_ENABLE_IPV4" ]
   }
 
-  if (rs91x_wpa3_only) {
-    defines += [ "WIFI_ENABLE_SECURITY_WPA3=1" ]
+  if (rs91x_wpa3_transition) {
+    defines += [ "WIFI_ENABLE_SECURITY_WPA3_TRANSITION=1" ]
   }
 }
 

diff --git a/examples/platform/silabs/SiWx917/SiWx917/rsi_if.c b/examples/platform/silabs/SiWx917/SiWx917/rsi_if.c
@@ -355,11 +355,11 @@ static void wfx_rsi_save_ap_info()
         /*
          * Scan is done - failed
          */
-#if WIFI_ENABLE_SECURITY_WPA3
+#if WIFI_ENABLE_SECURITY_WPA3_TRANSITION
         wfx_rsi.sec.security = WFX_SEC_WPA3;
-#else  /* !WIFI_ENABLE_SECURITY_WPA3 */
+#else  /* !WIFI_ENABLE_SECURITY_WPA3_TRANSITION */
         wfx_rsi.sec.security = WFX_SEC_WPA2;
-#endif /* WIFI_ENABLE_SECURITY_WPA3 */
+#endif /* WIFI_ENABLE_SECURITY_WPA3_TRANSITION */
         SILABS_LOG("%s: warn: failed with status: %02x", __func__, status);
         return;
     }
@@ -386,9 +386,13 @@ static void wfx_rsi_save_ap_info()
     case SME_WEP:
         wfx_rsi.sec.security = WFX_SEC_WEP;
         break;
-    case SME_WPA3:
     case SME_WPA3_TRANSITION:
-        wfx_rsi.sec.security = WFX_SEC_WPA3;
+#if WIFI_ENABLE_SECURITY_WPA3_TRANSITION
+    case SME_WPA3:
+        wfx_rsi.sec.security = RSI_WPA3;
+#else
+        wfx_rsi.sec.security = WFX_SEC_WPA2;
+#endif /* WIFI_ENABLE_SECURITY_WPA3_TRANSITION */
         break;
     default:
         wfx_rsi.sec.security = WFX_SEC_UNSPECIFIED;
@@ -425,9 +429,11 @@ static void wfx_rsi_do_join(void)
         case WFX_SEC_WPA2:
             connect_security_mode = RSI_WPA_WPA2_MIXED;
             break;
+#if WIFI_ENABLE_SECURITY_WPA3_TRANSITION
         case WFX_SEC_WPA3:
-            connect_security_mode = RSI_WPA3;
+            connect_security_mode = RSI_WPA3_TRANSITION;
             break;
+#endif /* WIFI_ENABLE_SECURITY_WPA3_TRANS */
         case WFX_SEC_NONE:
             connect_security_mode = RSI_OPEN;
             break;

diff --git a/examples/platform/silabs/efr32/BUILD.gn b/examples/platform/silabs/efr32/BUILD.gn
@@ -31,7 +31,7 @@ declare_args() {
   sl_wfx_config_scan = true
 
   # Argument to force enable WPA3 security on rs91x
-  rs91x_wpa3_only = false
+  rs91x_wpa3_transition = false
 
   #default WiFi SSID
   chip_default_wifi_ssid = ""
@@ -254,10 +254,9 @@ config("silabs-wifi-config") {
   if (chip_enable_wifi_ipv4) {
     defines += [ "CHIP_DEVICE_CONFIG_ENABLE_IPV4" ]
   }
-
-  if (rs91x_wpa3_only) {
+  if (rs91x_wpa3_transition) {
     # TODO: Change this macro once WF200 support is provided
-    defines += [ "WIFI_ENABLE_SECURITY_WPA3=1" ]
+    defines += [ "WIFI_ENABLE_SECURITY_WPA3_TRANSITION=1" ]
   }
 }
 

diff --git a/examples/platform/silabs/efr32/rs911x/rsi_if.c b/examples/platform/silabs/efr32/rs911x/rsi_if.c
@@ -420,20 +420,17 @@ static void wfx_rsi_save_ap_info() // translation
         /*
          * Scan is done - failed
          */
-#if WIFI_ENABLE_SECURITY_WPA3
+#if WIFI_ENABLE_SECURITY_WPA3_TRANSITION
         wfx_rsi.sec.security = WFX_SEC_WPA3;
-#else  /* !WIFI_ENABLE_SECURITY_WPA3 */
+#else  /* !WIFI_ENABLE_SECURITY_WPA3_TRANSITION */
         wfx_rsi.sec.security = WFX_SEC_WPA2;
-#endif /* WIFI_ENABLE_SECURITY_WPA3 */
+#endif /* WIFI_ENABLE_SECURITY_WPA3_TRANSITION */
         SILABS_LOG("%s: warn: failed with status: %02x", __func__, status);
         return;
     }
-    else
-    {
-        wfx_rsi.sec.security = WFX_SEC_UNSPECIFIED;
-        wfx_rsi.ap_chan      = rsp.scan_info->rf_channel;
-        memcpy(&wfx_rsi.ap_mac.octet[0], &rsp.scan_info->bssid[0], BSSID_MAX_STR_LEN);
-    }
+    wfx_rsi.sec.security = WFX_SEC_UNSPECIFIED;
+    wfx_rsi.ap_chan      = rsp.scan_info->rf_channel;
+    memcpy(&wfx_rsi.ap_mac.octet[0], &rsp.scan_info->bssid[0], BSSID_MAX_STR_LEN);
 
     switch (rsp.scan_info->security_mode)
     {
@@ -451,9 +448,13 @@ static void wfx_rsi_save_ap_info() // translation
     case SME_WEP:
         wfx_rsi.sec.security = WFX_SEC_WEP;
         break;
-    case SME_WPA3:
     case SME_WPA3_TRANSITION:
+#if WIFI_ENABLE_SECURITY_WPA3_TRANSITION
+    case SME_WPA3:
         wfx_rsi.sec.security = WFX_SEC_WPA3;
+#else
+        wfx_rsi.sec.security = WFX_SEC_WPA2;
+#endif /* WIFI_ENABLE_SECURITY_WPA3_TRANSITION */
         break;
     default:
         wfx_rsi.sec.security = WFX_SEC_UNSPECIFIED;
@@ -492,9 +493,11 @@ static void wfx_rsi_do_join(void)
         case WFX_SEC_WPA2:
             connect_security_mode = RSI_WPA_WPA2_MIXED;
             break;
+#if WIFI_ENABLE_SECURITY_WPA3_TRANSITION
         case WFX_SEC_WPA3:
-            connect_security_mode = RSI_WPA3;
+            connect_security_mode = RSI_WPA3_TRANSITION;
             break;
+#endif // WIFI_ENABLE_SECURITY_WPA3_TRANSITION
         case WFX_SEC_NONE:
             connect_security_mode = RSI_OPEN;
             break;

diff --git a/examples/platform/silabs/efr32/rs911x/rsi_wlan_config.h b/examples/platform/silabs/efr32/rs911x/rsi_wlan_config.h
@@ -41,20 +41,20 @@
 #define RSI_TCP_IP_FEATURE_BIT_MAP (TCP_IP_FEAT_BYPASS /*| TCP_IP_FEAT_EXTENSION_VALID*/)
 
 //! To set Extended custom feature select bit map
-#if WIFI_ENABLE_SECURITY_WPA3
+#if WIFI_ENABLE_SECURITY_WPA3_TRANSITION
 #ifdef CHIP_9117
 #define RSI_EXT_CUSTOM_FEATURE_BIT_MAP                                                                                             \
-    (EXT_FEAT_448K_M4SS_256K | EXT_FEAT_IEEE_80211W | EXT_FEAT_LOW_POWER_MODE | EXT_FEAT_XTAL_CLK_ENABLE)
-#else
+    (EXT_FEAT_448K_M4SS_256K | EXT_FEAT_LOW_POWER_MODE | EXT_FEAT_XTAL_CLK_ENABLE | EXT_FEAT_IEEE_80211W)
+#else /* !CHIP_9117 */
 #define RSI_EXT_CUSTOM_FEATURE_BIT_MAP (EXT_FEAT_384K_MODE | EXT_FEAT_IEEE_80211W)
 #endif /* CHIP_9117 */
-#else
+#else  /* !WIFI_ENABLE_SECURITY_WPA3_TRANSITION */
 #ifdef CHIP_9117
 #define RSI_EXT_CUSTOM_FEATURE_BIT_MAP (EXT_FEAT_448K_M4SS_256K | EXT_FEAT_LOW_POWER_MODE | EXT_FEAT_XTAL_CLK_ENABLE)
-#else
+#else /* !CHIP_9117 */
 #define RSI_EXT_CUSTOM_FEATURE_BIT_MAP EXT_FEAT_384K_MODE
 #endif /* CHIP_9117 */
-#endif /* WIFI_ENABLE_SECURITY_WPA3 */
+#endif /* WIFI_ENABLE_SECURITY_WPA3_TRANSITION */
 
 //! To set Extended TCPIP feature select bit map
 #define RSI_EXT_TCPIP_FEATURE_BITMAP (/*EXT_FEAT_HTTP_OTAF_SUPPORT |*/ EXT_TCP_IP_SSL_16K_RECORD)
@@ -242,11 +242,11 @@
 #define RSI_POWER_LEVEL RSI_POWER_LEVEL_HIGH
 
 //! RSI_JOIN_FEAT_STA_BG_ONLY_MODE_ENABLE or RSI_JOIN_FEAT_LISTEN_INTERVAL_VALID
-#if WIFI_ENABLE_SECURITY_WPA3
-#define RSI_JOIN_FEAT_BIT_MAP RSI_JOIN_FEAT_MFP_CAPABLE_REQUIRED
+#if WIFI_ENABLE_SECURITY_WPA3_TRANSITION
+#define RSI_JOIN_FEAT_BIT_MAP RSI_JOIN_FEAT_MFP_CAPABLE_ONLY
 #else
 #define RSI_JOIN_FEAT_BIT_MAP 0
-#endif
+#endif /* WIFI_ENABLE_SECURITY_WPA3_TRANS */
 
 #define RSI_LISTEN_INTERVAL 0
 

diff --git a/scripts/examples/gn_silabs_example.sh b/scripts/examples/gn_silabs_example.sh
@@ -96,8 +96,8 @@ if [ "$#" == "0" ]; then
             Use to build the example with pigweed RPC
         ota_periodic_query_timeout_sec
             Periodic query timeout variable for OTA in seconds
-        rs91x_wpa3_only
-            Support for WPA3 only mode on RS91x
+        rs91x_wpa3_transition
+            Support for WPA3 transition mode on RS91x
         sl_matter_version
             Use provided software version at build time
         sl_matter_version_str

diff --git a/src/platform/silabs/efr32/wifi/wfx_host_events.h b/src/platform/silabs/efr32/wifi/wfx_host_events.h
@@ -239,7 +239,7 @@ typedef enum
     WFX_SEC_WEP         = 2,
     WFX_SEC_WPA         = 3,
     WFX_SEC_WPA2        = 4,
-    WFX_SEC_WPA3        = 5
+    WFX_SEC_WPA3        = 5,
 } wfx_sec_t;
 
 typedef struct