feat(mdns): Define explicit dependencies on esp-wifi

bugfix: mdns IPv6 address convert error (IDFGH-7772)

.github/workflows/build.yml

@@ -1,36 +0,0 @@
-name: Build
-
-on: [push, pull_request]
-
-jobs:
-  build:
-    strategy:
-      matrix:
-        idf_ver: ["latest", "release-v4.1", "release-v4.2", "release-v4.3", "release-v4.4"]
-        example: ["pppos_client", "modem_console", "ap_to_pppos", "simple_cmux_client"]
-        idf_target: ["esp32"]        
-        exclude:
-          - idf_ver: "release-v4.1"
-            example: modem_console
-          - idf_ver: "release-v4.1"
-            example: ap_to_pppos
-          - idf_ver: "release-v4.1"
-            example: simple_cmux_client
-          - idf_ver: "release-v4.2"
-            example: simple_cmux_client
-
-    runs-on: ubuntu-20.04
-    container: espressif/idf:${{ matrix.idf_ver }}
-    steps:
-      - name: Checkout esp-protocols
-        uses: actions/checkout@master
-        with:
-          path: esp-protocols
-      - name: Build ${{ matrix.example }} with IDF-${{ matrix.idf_ver }} for ${{ matrix.idf_target }}
-        env:
-          IDF_TARGET: ${{ matrix.idf_target }}
-        shell: bash
-        run: |
-          . ${IDF_PATH}/export.sh
-          cd $GITHUB_WORKSPACE/esp-protocols/components/esp_modem/examples/${{ matrix.example }}
-          idf.py build

.github/workflows/build_and_run_example_test_mdns.yml

@@ -1,38 +0,0 @@
-name: Build mDNS
-
-on: [push, pull_request]
-
-jobs:
-  build:
-    strategy:
-      matrix:
-        idf_ver: ["latest"]
-        idf_target: ["esp32", "esp32s2", "esp32c3"]
-
-    runs-on: ubuntu-20.04
-    container: espressif/idf:${{ matrix.idf_ver }}
-    steps:
-      - name: Checkout esp-protocols
-        uses: actions/checkout@v3
-        with:
-          submodules: recursive
-          path: esp-protocols
-      - name: Build ${{ matrix.example }} with IDF-${{ matrix.idf_ver }} for ${{ matrix.idf_target }}
-        env:
-          IDF_TARGET: ${{ matrix.idf_target }}
-        shell: bash
-        run: |
-          . ${IDF_PATH}/export.sh
-          cd $GITHUB_WORKSPACE/esp-protocols/components/mdns/examples/
-          idf.py set-target ${{ matrix.idf_target }} 
-          cat sdkconfig.ci.eth_def >> sdkconfig.defaults
-          idf.py build
-          rm sdkconfig.defaults
-          cat sdkconfig.ci.eth_custom_netif >> sdkconfig.defaults
-          idf.py build
-          rm sdkconfig.defaults
-          cat sdkconfig.ci.eth_socket >> sdkconfig.defaults
-          idf.py build
-          cd $GITHUB_WORKSPACE/esp-protocols/components/mdns/tests/test_apps/
-          idf.py set-target ${{ matrix.idf_target }} 
-          idf.py build

.github/workflows/build_and_run_example_test_websocket.yml

@@ -1,82 +0,0 @@
-name: Build Websockets
-
-on: [push, pull_request]
-
-jobs:
-  build:
-    strategy:
-      matrix:
-        idf_ver: ["latest"]
-        idf_target: ["esp32"]
-
-    runs-on: ubuntu-20.04
-    container: espressif/idf:${{ matrix.idf_ver }}
-    steps:
-      - name: Checkout esp-protocols
-        uses: actions/checkout@v3
-        with:
-          submodules: recursive
-      - name: Build ${{ matrix.example }} with IDF-${{ matrix.idf_ver }} for ${{ matrix.idf_target }}
-        env:
-          IDF_TARGET: ${{ matrix.idf_target }}
-        shell: bash
-        working-directory: components/esp_websocket_client/examples/
-        run: |
-          . ${IDF_PATH}/export.sh
-          cat sdkconfig.ci >> sdkconfig.defaults
-          idf.py build
-      - name: Merge binaries
-        working-directory: components/esp_websocket_client/examples/build
-        env:
-          IDF_TARGET: ${{ matrix.idf_target }}
-        shell: bash
-        run: |
-          . ${IDF_PATH}/export.sh
-          esptool.py --chip ${{ matrix.idf_target }} merge_bin --fill-flash-size 4MB -o flash_image.bin @flash_args
-      - uses: actions/upload-artifact@v2
-        with:
-          name: examples_app_bin_${{ matrix.idf_target }}_${{ matrix.idf_ver }}
-          path: |
-            components/esp_websocket_client/examples/build/bootloader/bootloader.bin
-            components/esp_websocket_client/examples/build/partition_table/partition-table.bin
-            components/esp_websocket_client/examples/build/websocket_example.bin
-            components/esp_websocket_client/examples/build/websocket_example.elf
-            components/esp_websocket_client/examples/build/flasher_args.json
-            components/esp_websocket_client/examples/build/config/sdkconfig.h
-            components/esp_websocket_client/examples/build/config/sdkconfig.json
-          if-no-files-found: error
-
-  run-target:
-    name: Run Example Test on target
-    needs: build
-    strategy:
-      fail-fast: false
-      matrix:
-        idf_ver: ["latest"]
-        idf_target: ["esp32"]
-    runs-on:
-      - self-hosted
-      - ESP32-ETHERNET-KIT
-    container:
-      image: python:3.7-buster
-      options: --privileged # Privileged mode has access to serial ports
-    steps:
-      - uses: actions/checkout@v3
-      - uses: actions/download-artifact@v2
-        with:
-          name: examples_app_bin_${{ matrix.idf_target }}_${{ matrix.idf_ver }}
-          path: components/esp_websocket_client/examples/build/
-      - name: Install Python packages
-        env:
-          PIP_EXTRA_INDEX_URL: "https://www.piwheels.org/simple"
-        run: | 
-          pip install -r $GITHUB_WORKSPACE/components/esp_websocket_client/examples/requirements.txt
-      - name: Run Example Test on target
-        working-directory: components/esp_websocket_client/examples
-        run: |
-          pytest --log-cli-level DEBUG --junit-xml=./test_app_results_${{ matrix.idf_target }}_${{ matrix.idf_ver }}.xml --target=${{ matrix.idf_target }}
-      - uses: actions/upload-artifact@v2
-        if: always()
-        with:
-          name: examples_results_${{ matrix.idf_target }}_${{ matrix.idf_ver }}
-          path: examples/*.xml

.github/workflows/build_asio.yml

@@ -1,29 +0,0 @@
-name: Build ASIO
-
-on: [push, pull_request]
-
-jobs:
-  build:
-    strategy:
-      matrix:
-        idf_ver: ["latest"]
-        idf_target: ["esp32", "esp32s2"]
-        example: ["asio_chat", "async_request", "socks4", "ssl_client_server", "tcp_echo_server", "udp_echo_server"]
-
-    runs-on: ubuntu-20.04
-    container: espressif/idf:${{ matrix.idf_ver }}
-    steps:
-      - name: Checkout esp-protocols
-        uses: actions/checkout@v3
-        with:
-          submodules: recursive
-          path: esp-protocols
-      - name: Build ${{ matrix.example }} with IDF-${{ matrix.idf_ver }} for ${{ matrix.idf_target }}
-        env:
-          IDF_TARGET: ${{ matrix.idf_target }}
-        shell: bash
-        run: |
-          . ${IDF_PATH}/export.sh
-          cd $GITHUB_WORKSPACE/esp-protocols/components/asio/examples/${{ matrix.example }}
-          idf.py set-target ${{ matrix.idf_target }}
-          idf.py build

.github/workflows/host-test.yml

@@ -4,7 +4,7 @@ on: [push, pull_request]
 
 jobs:
   host_test:
-    name: Build and test
+    name: Build and Test on Host
     runs-on: ubuntu-20.04
     container: espressif/idf:release-v4.3
     env:

.github/workflows/target-test.yml

@@ -0,0 +1,169 @@
+name: Build and Run Target tests
+
+on: [push, pull_request]
+
+jobs:
+  build_esp_modem:
+    strategy:
+      matrix:
+        idf_ver: ["latest", "release-v4.1", "release-v4.2", "release-v4.3", "release-v4.4"]
+        example: ["pppos_client", "modem_console", "ap_to_pppos", "simple_cmux_client"]
+        idf_target: ["esp32"]        
+        exclude:
+          - idf_ver: "release-v4.1"
+            example: modem_console
+          - idf_ver: "release-v4.1"
+            example: ap_to_pppos
+          - idf_ver: "release-v4.1"
+            example: simple_cmux_client
+          - idf_ver: "release-v4.2"
+            example: simple_cmux_client
+
+    runs-on: ubuntu-20.04
+    container: espressif/idf:${{ matrix.idf_ver }}
+    steps:
+      - name: Checkout esp-protocols
+        uses: actions/checkout@master
+        with:
+          path: esp-protocols
+      - name: Build ${{ matrix.example }} with IDF-${{ matrix.idf_ver }} for ${{ matrix.idf_target }}
+        env:
+          IDF_TARGET: ${{ matrix.idf_target }}
+        shell: bash
+        run: |
+          . ${IDF_PATH}/export.sh
+          cd $GITHUB_WORKSPACE/esp-protocols/components/esp_modem/examples/${{ matrix.example }}
+          idf.py build
+
+  build_mdns: 
+    strategy: 
+      matrix: 
+        idf_ver: ["latest"] 
+        idf_target: ["esp32", "esp32s2", "esp32c3"] 
+ 
+    runs-on: ubuntu-20.04 
+    container: espressif/idf:${{ matrix.idf_ver }} 
+    steps: 
+      - name: Checkout esp-protocols 
+        uses: actions/checkout@v3 
+        with: 
+          submodules: recursive 
+          path: esp-protocols 
+      - name: Build ${{ matrix.example }} with IDF-${{ matrix.idf_ver }} for ${{ matrix.idf_target }} 
+        env: 
+          IDF_TARGET: ${{ matrix.idf_target }} 
+        shell: bash 
+        run: | 
+          . ${IDF_PATH}/export.sh 
+          cd $GITHUB_WORKSPACE/esp-protocols/components/mdns/examples/ 
+          idf.py set-target ${{ matrix.idf_target }}  
+          cat sdkconfig.ci.eth_def >> sdkconfig.defaults 
+          idf.py build 
+          rm sdkconfig.defaults 
+          cat sdkconfig.ci.eth_custom_netif >> sdkconfig.defaults 
+          idf.py build 
+          rm sdkconfig.defaults 
+          cat sdkconfig.ci.eth_socket >> sdkconfig.defaults 
+          idf.py build 
+          cd $GITHUB_WORKSPACE/esp-protocols/components/mdns/tests/test_apps/ 
+          idf.py set-target ${{ matrix.idf_target }}  
+          idf.py build 
+
+  build_asio:
+    strategy:
+      matrix:
+        idf_ver: ["latest"]
+        idf_target: ["esp32", "esp32s2"]
+        example: ["asio_chat", "async_request", "socks4", "ssl_client_server", "tcp_echo_server", "udp_echo_server"]
+
+    runs-on: ubuntu-20.04
+    container: espressif/idf:${{ matrix.idf_ver }}
+    steps:
+      - name: Checkout esp-protocols
+        uses: actions/checkout@v3
+        with:
+          submodules: recursive 
+          path: esp-protocols
+      - name: Build ${{ matrix.example }} with IDF-${{ matrix.idf_ver }} for ${{ matrix.idf_target }}
+        env:
+          IDF_TARGET: ${{ matrix.idf_target }}
+        shell: bash
+        run: |
+          . ${IDF_PATH}/export.sh
+          cd $GITHUB_WORKSPACE/esp-protocols/components/asio/examples/${{ matrix.example }}
+          idf.py set-target ${{ matrix.idf_target }}
+          idf.py build
+
+  build_websocket:
+    strategy:
+      matrix:
+        idf_ver: ["latest"]
+        idf_target: ["esp32"]
+
+    runs-on: ubuntu-20.04
+    container: espressif/idf:${{ matrix.idf_ver }}
+    steps:
+      - name: Checkout esp-protocols
+        uses: actions/checkout@v3
+        with:
+          submodules: recursive
+      - name: Build ${{ matrix.example }} with IDF-${{ matrix.idf_ver }} for ${{ matrix.idf_target }}
+        env:
+          IDF_TARGET: ${{ matrix.idf_target }}
+        shell: bash
+        working-directory: components/esp_websocket_client/examples/
+        run: |
+          . ${IDF_PATH}/export.sh
+          cat sdkconfig.ci >> sdkconfig.defaults
+          idf.py build
+      - name: Merge binaries
+        working-directory: components/esp_websocket_client/examples/build
+        env:
+          IDF_TARGET: ${{ matrix.idf_target }}
+        shell: bash
+        run: |
+          . ${IDF_PATH}/export.sh
+          esptool.py --chip ${{ matrix.idf_target }} merge_bin --fill-flash-size 4MB -o flash_image.bin @flash_args
+      - uses: actions/upload-artifact@v2
+        with:
+          name: examples_app_bin_${{ matrix.idf_target }}_${{ matrix.idf_ver }}
+          path: components/esp_websocket_client/examples/build/
+          if-no-files-found: error
+
+  run-target:
+    name: Run Websocket Example Test on target
+    needs: build_websocket
+    strategy:
+      fail-fast: false
+      matrix:
+        idf_ver: ["latest"]
+        idf_target: ["esp32"]
+    runs-on:
+      - self-hosted
+      - ESP32-ETHERNET-KIT
+    container:
+      image: python:3.7-buster
+      options: --privileged # Privileged mode has access to serial ports
+    steps:
+      - uses: actions/checkout@v3
+      - uses: actions/download-artifact@v2
+        with:
+          name: examples_app_bin_${{ matrix.idf_target }}_${{ matrix.idf_ver }}
+          path: components/esp_websocket_client/examples/build/
+      - name: Install Python packages
+        env:
+          PIP_EXTRA_INDEX_URL: "https://www.piwheels.org/simple"
+        run: |
+          pip install -r $GITHUB_WORKSPACE/components/esp_websocket_client/examples/requirements.txt
+      - name: Download Example Test to target
+        run: python -m esptool --chip ${{ matrix.idf_target }} write_flash 0x0 components/esp_websocket_client/examples/build/flash_image.bin
+      - name: Run Example Test on target
+        working-directory: components/esp_websocket_client/examples
+        run: |
+          cp sdkconfig.ci sdkconfig.defaults
+          pytest --log-cli-level DEBUG --junit-xml=./test_app_results_${{ matrix.idf_target }}_${{ matrix.idf_ver }}.xml --target=${{ matrix.idf_target }}
+      - uses: actions/upload-artifact@v2
+        if: always()
+        with:
+          name: examples_results_${{ matrix.idf_target }}_${{ matrix.idf_ver }}
+          path: examples/*.xml

components/asio/CMakeLists.txt

@@ -27,6 +27,7 @@ idf_component_register(SRCS ${asio_sources}
                     INCLUDE_DIRS "asio/asio/include" "port/include"
                     PRIV_INCLUDE_DIRS ${asio_priv_includes}
                     REQUIRES lwip)
+target_compile_options(${COMPONENT_LIB} PRIVATE "-Wno-format")
 
 if(CONFIG_ASIO_SSL_SUPPORT)
     if(CONFIG_ASIO_USE_ESP_WOLFSSL)

components/asio/idf_component.yml

@@ -1,4 +1,4 @@
-version: "1.0.1"
+version: "1.0.2"
 description: ASIO
 dependencies:
   idf:

components/esp_modem/include/cxx_include/esp_modem_dce_module.hpp

@@ -104,6 +104,15 @@ public:
         pdp = std::move(new_pdp);
     }
 
+    /**
+     * @brief Simplified version of operator name (without the ACT, which is included in the command library)
+     */
+    command_result get_operator_name(std::string& name)
+    {
+        int dummy_act;
+        return get_operator_name(name, dummy_act);
+    }
+
     /**
      * @brief Common DCE commands generated from the API AT list
      */

components/esp_modem/include/esp_modem_c_api_types.h

@@ -15,6 +15,7 @@
 #pragma once
 
 #include "esp_modem_config.h"
+#include "esp_netif.h"
 
 #ifdef __cplusplus
 extern "C" {
@@ -22,7 +23,11 @@ extern "C" {
 
 typedef struct esp_modem_dce_wrap esp_modem_dce_t;
 
-struct PdpContext;
+typedef struct esp_modem_PdpContext_t {
+    size_t context_id;
+    const char *protocol_type;
+    const char *apn;
+} esp_modem_PdpContext_t;
 
 /**
  * @defgroup ESP_MODEM_C_API ESP_MODEM C API

components/esp_modem/include/generate/esp_modem_command_declare.inc

@@ -38,7 +38,7 @@
 #define BOOL_OUT(param, name) bool* _ARG(param, name)
 #define INT_OUT(param, name) int* _ARG(param, name)
 #define INTEGER_LIST_IN(param, name) const int* _ARG(param, name)
-#define STRUCT_OUT(struct_name, p1)  struct struct_name* p1
+#define STRUCT_OUT(struct_name, p1)  esp_modem_ ## struct_name ## _t* p1
 #endif
 
 #define DECLARE_ALL_COMMAND_APIS(...) \
@@ -50,9 +50,10 @@ ESP_MODEM_DECLARE_DCE_COMMAND(sync, command_result, 0) \
 /**
  * @brief Reads the operator name
  * @param[out] operator name
+ * @param[out] access technology
  * @return OK, FAIL or TIMEOUT
  */ \
-ESP_MODEM_DECLARE_DCE_COMMAND(get_operator_name, command_result, 1, STRING_OUT(p1, name)) \
+ESP_MODEM_DECLARE_DCE_COMMAND(get_operator_name, command_result, 2, STRING_OUT(p1, name), INT_OUT(p2, act)) \
     \
 /**
  * @brief Stores current user profile
@@ -97,7 +98,7 @@ ESP_MODEM_DECLARE_DCE_COMMAND(set_echo, command_result, 1, BOOL_IN(p1, echo_on))
 ESP_MODEM_DECLARE_DCE_COMMAND(sms_txt_mode, command_result, 1, BOOL_IN(p1, txt)) \
     \
 /**
- * @brief Sets the default (GSM) charater set
+ * @brief Sets the default (GSM) character set
  * @return OK, FAIL or TIMEOUT
  */ \
 ESP_MODEM_DECLARE_DCE_COMMAND(sms_character_set, command_result, 0) \

components/esp_modem/src/esp_modem_c_api.cpp

@@ -393,3 +393,14 @@ extern "C" esp_err_t esp_modem_reset(esp_modem_dce_t *dce_wrap)
 {
     return command_response_to_esp_err(dce_wrap->dce->reset());
 }
+
+extern "C" esp_err_t esp_modem_set_pdp_context(esp_modem_dce_t *dce_wrap, esp_modem_PdpContext_t *c_api_pdp)
+{
+    if (dce_wrap == nullptr || dce_wrap->dce == nullptr) {
+        return ESP_ERR_INVALID_ARG;
+    }
+    esp_modem::PdpContext pdp{c_api_pdp->apn};
+    pdp.context_id = c_api_pdp->context_id;
+    pdp.protocol_type = c_api_pdp->protocol_type;
+    return command_response_to_esp_err(dce_wrap->dce->set_pdp_context(pdp));
+}

components/esp_modem/src/esp_modem_command_library.cpp

@@ -228,7 +228,7 @@ command_result set_flow_control(CommandableIf *t, int dce_flow, int dte_flow)
     return generic_command_common(t, "AT+IFC=" + std::to_string(dce_flow) + ", " + std::to_string(dte_flow) + "\r");
 }
 
-command_result get_operator_name(CommandableIf *t, std::string &operator_name)
+command_result get_operator_name(CommandableIf *t, std::string &operator_name, int &act)
 {
     ESP_LOGV(TAG, "%s", __func__ );
     std::string_view out;
@@ -239,9 +239,19 @@ command_result get_operator_name(CommandableIf *t, std::string &operator_name)
     auto pos = out.find("+COPS");
     auto property = 0;
     while (pos != std::string::npos) {
-        // Looking for: +COPS: <mode>[, <format>[, <oper>]]
+        // Looking for: +COPS: <mode>[, <format>[, <oper>[, <act>]]]
         if (property++ == 2) {  // operator name is after second comma (as a 3rd property of COPS string)
             operator_name = out.substr(++pos);
+            auto additional_comma = operator_name.find(',');    // check for the optional ACT
+            if (additional_comma != std::string::npos && std::from_chars(operator_name.data() + additional_comma + 1,operator_name.data() + operator_name.length(), act).ec != std::errc::invalid_argument) {
+                operator_name = operator_name.substr(0, additional_comma);
+            }
+            // and strip quotes if present
+            auto quote1 = operator_name.find('"');
+            auto quote2 = operator_name.rfind('"');
+            if (quote1 != std::string::npos && quote2 != std::string::npos) {
+                operator_name = operator_name.substr(quote1+1, quote2-1);
+            }
             return command_result::OK;
         }
         pos = out.find(',', ++pos);

components/esp_modem/test/host_test/main/LoopbackTerm.cpp

@@ -34,6 +34,8 @@ int LoopbackTerm::write(uint8_t *data, size_t len)
             response = "+CSQ: 123,456\n\r\nOK\r\n";
         } else if (command.find("AT+CGMM\r") != std::string::npos) {
             response = "0G Dummy Model\n\r\nOK\r\n";
+        } else if (command.find("AT+COPS?\r") != std::string::npos) {
+            response = "+COPS: 0,0,\"OperatorName\",5\n\r\nOK\r\n";
         } else if (command.find("AT+CBC\r") != std::string::npos) {
             response = is_bg96 ? "+CBC: 1,20,123456\r\r\n\r\nOK\r\n\n\r\n" :
                        "+CBC: 123.456V\r\r\n\r\nOK\r\n\n\r\n";

components/esp_modem/test/host_test/main/test_modem.cpp

@@ -56,6 +56,14 @@ TEST_CASE("DCE AT parser", "[esp_modem]")
     std::string model;
     CHECK(dce->get_module_name(model) == command_result::OK);
     CHECK(model == "0G Dummy Model");
+
+    std::string operator_name;
+    int act = 99;
+    CHECK(dce->get_operator_name(operator_name) == command_result::OK);
+    CHECK(operator_name == "OperatorName");
+    CHECK(dce->get_operator_name(operator_name, act) == command_result::OK);
+    CHECK(operator_name == "OperatorName");
+    CHECK(act == 5);
 }
 
 

components/esp_websocket_client/CMakeLists.txt

@@ -10,3 +10,4 @@ idf_component_register(SRCS "esp_websocket_client.c"
                     INCLUDE_DIRS "include"
                     REQUIRES lwip esp-tls tcp_transport http_parser
                     PRIV_REQUIRES esp_timer)
+target_compile_options(${COMPONENT_LIB} PRIVATE "-Wno-format")

components/esp_websocket_client/examples/main/CMakeLists.txt

@@ -1,2 +1,3 @@
 idf_component_register(SRCS "websocket_example.c"
                     INCLUDE_DIRS ".")
+target_compile_options(${COMPONENT_LIB} PRIVATE "-Wno-format")

components/esp_websocket_client/idf_component.yml

@@ -1,4 +1,4 @@
-version: "0.0.1"
+version: "0.0.2"
 description: esp websocket client
 dependencies:
   idf:

components/mdns/CMakeLists.txt

@@ -10,7 +10,7 @@ if(${target} STREQUAL "linux")
     set(srcs "mdns.c" ${MDNS_NETWORKING})
 else()
     set(dependencies lwip console esp_netif)
-    set(private_dependencies esp_timer)
+    set(private_dependencies esp_timer esp_wifi)
     set(srcs "mdns.c" ${MDNS_NETWORKING} "mdns_console.c")
 endif()
 
@@ -20,6 +20,7 @@ idf_component_register(
         PRIV_INCLUDE_DIRS "private_include"
         REQUIRES ${dependencies}
         PRIV_REQUIRES ${private_dependencies})
+target_compile_options(${COMPONENT_LIB} PRIVATE "-Wno-format")
 
 if(CONFIG_ETH_ENABLED)
     idf_component_optional_requires(PRIVATE esp_eth)

components/mdns/examples/main/CMakeLists.txt

@@ -1,2 +1,3 @@
 idf_component_register(SRCS "mdns_example_main.c"
                     INCLUDE_DIRS ".")
+target_compile_options(${COMPONENT_LIB} PRIVATE "-Wno-format")

components/mdns/idf_component.yml

@@ -1,4 +1,4 @@
-version: "1.0.3"
+version: "1.0.5"
 description: mDNS
 dependencies:
   idf:

components/mdns/mdns.c

@@ -20,6 +20,8 @@
 #if CONFIG_ETH_ENABLED
 #include "esp_eth.h"
 #endif
+#include "esp_wifi.h"
+
 
 #ifdef MDNS_ENABLE_DEBUG
 void mdns_debug_packet(const uint8_t * data, size_t len);

components/mdns/mdns_networking_lwip.c

@@ -338,11 +338,15 @@ size_t _mdns_udp_pcb_write(mdns_if_t tcpip_if, mdns_ip_protocol_t ip_protocol, c
     }
     memcpy((uint8_t *)pbt->payload, data, len);
 
+    ip_addr_t ip_add_copy;
+    ip_add_copy.type = ip->type;
+    memcpy(&(ip_add_copy.u_addr),&(ip->u_addr),sizeof(ip_add_copy.u_addr));
+
     mdns_api_call_t msg = {
         .tcpip_if = tcpip_if,
         .ip_protocol = ip_protocol,
         .pbt = pbt,
-        .ip = (ip_addr_t *)ip,
+        .ip = &ip_add_copy,
         .port = port
     };
     tcpip_api_call(_mdns_udp_pcb_write_api, &msg.call);