Add an "Append CRC32" block

include/ieee802_11/CMakeLists.txt

@@ -23,5 +23,5 @@ install(FILES
     signal_field.h
     sync_long.h
     sync_short.h
-    DESTINATION include/ieee802_11
+    append_crc32.h DESTINATION include/ieee802_11
 )

include/ieee802_11/append_crc32.h

@@ -0,0 +1,36 @@
+/*
+ * Copyright (C) 2025 Nicolas Guillaume <nicol@sguillau.me>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+#ifndef INCLUDED_IEEE802_11_APPEND_CRC32_H
+#define INCLUDED_IEEE802_11_APPEND_CRC32_H
+
+#include <gnuradio/block.h>
+#include <ieee802_11/api.h>
+
+namespace gr {
+namespace ieee802_11 {
+
+class IEEE802_11_API append_crc32 : virtual public block
+{
+public:
+    typedef std::shared_ptr<append_crc32> sptr;
+    static sptr make(bool append = true);
+};
+
+}
+}
+
+#endif