Merge branch 'lwip/if_indextoname_compolation_fix_v5.1' into 'release…

…/v5.1' fix(lwip): Fixed compilation error referencing undefined POSIX interface API (v5.1) See merge request espressif/esp-idf!31407
espressif · Jul 2, 2024 · 597331d · 597331d
2 parents 4422bed + 4e2e2b2
commit 597331d
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diff --git a/components/lwip/CMakeLists.txt b/components/lwip/CMakeLists.txt
@@ -131,6 +131,10 @@ if(CONFIG_LWIP_PPP_SUPPORT)
         "lwip/src/netif/ppp/polarssl/md4.c"
         "lwip/src/netif/ppp/polarssl/md5.c"
         "lwip/src/netif/ppp/polarssl/sha1.c")
+
+    if(CONFIG_LWIP_NETIF_API)
+        list(APPEND srcs "port/if_index.c")
+    endif()
 endif()
 
 if(NOT ${target} STREQUAL "linux")

diff --git a/components/lwip/port/if_index.c b/components/lwip/port/if_index.c
@@ -0,0 +1,17 @@
+/*
+ * SPDX-FileCopyrightText: 2023-2024 Espressif Systems (Shanghai) CO LTD
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#include "lwip/if_api.h"
+
+unsigned int if_nametoindex(const char *ifname)
+{
+    return lwip_if_nametoindex(ifname);
+}
+
+char *if_indextoname(unsigned int ifindex, char *ifname)
+{
+    return lwip_if_indextoname(ifindex, ifname);
+}