wifi: build with no blobs

Add Wi-Fi stubs to allow CI build that does not required binary blobs. It is useful to test Wi-Fi driver and adapter. Signed-off-by: Sylvio Alves <[email protected]>
zephyrproject-rtos · Nov 2, 2024 · 2bc9c60 · 2bc9c60
1 parent 0f18742
commit 2bc9c60
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Showing 7 changed files with 1,239 additions and 36 deletions.
diff --git a/zephyr/CMakeLists.txt b/zephyr/CMakeLists.txt
@@ -1,35 +1,5 @@
 # SPDX-License-Identifier: Apache-2.0
 
-# check for RF libraries in case ESP32 family is used and BT or WIFI are enabled
-if(CONFIG_BT_ESP32 OR CONFIG_WIFI_ESP32)
-  list(APPEND LIBRARIES "core" "net80211" "phy" "pp" "espnow")
-
-  if(NOT CONFIG_SOC_SERIES_ESP32C2)
-    list(APPEND LIBRARIES "mesh" "wapi")
-  endif()
-
-  if(CONFIG_SOC_SERIES_ESP32)
-    list(APPEND LIBRARIES "btdm_app" "rtc")
-  endif()
-
-  if(CONFIG_SOC_SERIES_ESP32C3 OR CONFIG_SOC_SERIES_ESP32S3)
-    list(APPEND LIBRARIES "btbb" "btdm_app" "bttestmode" "rftest" "smartconfig")
-  endif()
-
-  foreach(lib ${LIBRARIES})
-    find_library(${lib}_FOUND ${lib} HINTS
-      "${ZEPHYR_HAL_ESPRESSIF_MODULE_DIR}/zephyr/blobs/lib/${CONFIG_SOC_SERIES}")
-
-    if(NOT ${lib}_FOUND)
-      message(FATAL_ERROR
-        "ESP32 RF library ${lib} not found.\n"
-        "Run the command below to download the necessary files:\n"
-        "> west blobs fetch hal_espressif")
-      break()
-    endif()
-  endforeach()
-endif()
-
 add_subdirectory_ifdef(CONFIG_SOC_SERIES_ESP32 esp32)
 add_subdirectory_ifdef(CONFIG_SOC_SERIES_ESP32C2 esp32c2)
 add_subdirectory_ifdef(CONFIG_SOC_SERIES_ESP32C3 esp32c3)

diff --git a/zephyr/esp32/CMakeLists.txt b/zephyr/esp32/CMakeLists.txt
@@ -367,7 +367,9 @@ if(CONFIG_SOC_SERIES_ESP32)
       ../../components/esp_phy/src/phy_common.c
       )
 
-    zephyr_link_libraries(
+    zephyr_sources_ifdef(CONFIG_WIFI_BUILD_ONLY_MODE ../port/wifi/wifi_stubs.c)
+
+    zephyr_link_libraries_ifndef(CONFIG_WIFI_BUILD_ONLY_MODE
       net80211
       core
       pp

diff --git a/zephyr/esp32c2/CMakeLists.txt b/zephyr/esp32c2/CMakeLists.txt
@@ -316,7 +316,9 @@ if(CONFIG_SOC_SERIES_ESP32C2)
       ../../components/efuse/src/efuse_controller/keys/without_key_purposes/one_key_block/esp_efuse_api_key.c
       )
 
-    zephyr_link_libraries(
+    zephyr_sources_ifdef(CONFIG_WIFI_BUILD_ONLY_MODE ../port/wifi/wifi_stubs.c)
+
+    zephyr_link_libraries_ifndef(CONFIG_WIFI_BUILD_ONLY_MODE
       net80211
       core
       pp

diff --git a/zephyr/esp32c3/CMakeLists.txt b/zephyr/esp32c3/CMakeLists.txt
@@ -361,7 +361,9 @@ if(CONFIG_SOC_SERIES_ESP32C3)
       ../../components/efuse/src/efuse_controller/keys/with_key_purposes/esp_efuse_api_key.c
       )
 
-    zephyr_link_libraries(
+    zephyr_sources_ifdef(CONFIG_WIFI_BUILD_ONLY_MODE ../port/wifi/wifi_stubs.c)
+
+    zephyr_link_libraries_ifndef(CONFIG_WIFI_BUILD_ONLY_MODE
       net80211
       core
       pp

diff --git a/zephyr/esp32s2/CMakeLists.txt b/zephyr/esp32s2/CMakeLists.txt
@@ -573,12 +573,15 @@ if(CONFIG_SOC_SERIES_ESP32S2)
     zephyr_compile_definitions_ifdef(CONFIG_ESP32_WIFI_ENABLE_SAE_PK CONFIG_SAE_PK)
     zephyr_compile_definitions_ifdef(CONFIG_ESP32_WIFI_SOFTAP_SAE_SUPPORT CONFIG_SAE)
 
-    zephyr_link_libraries(
+    zephyr_link_libraries(mbedTLS)
+
+    zephyr_sources_ifdef(CONFIG_WIFI_BUILD_ONLY_MODE ../port/wifi/wifi_stubs.c)
+
+    zephyr_link_libraries_ifndef(CONFIG_WIFI_BUILD_ONLY_MODE
       net80211
       core
       pp
       phy
-      mbedTLS
       ## esp-idf wifi libs refer gcc libs symbols, so linked in libgcc
       gcc
         -L${CMAKE_CURRENT_SOURCE_DIR}/../blobs/lib/esp32s2

diff --git a/zephyr/esp32s3/CMakeLists.txt b/zephyr/esp32s3/CMakeLists.txt
@@ -403,7 +403,9 @@ if(CONFIG_SOC_SERIES_ESP32S3)
       ../../components/efuse/src/efuse_controller/keys/with_key_purposes/esp_efuse_api_key.c
       )
 
-    zephyr_link_libraries(
+    zephyr_sources_ifdef(CONFIG_WIFI_BUILD_ONLY_MODE ../port/wifi/wifi_stubs.c)
+
+    zephyr_link_libraries_ifndef(CONFIG_WIFI_BUILD_ONLY_MODE
       net80211
       core
       pp