Unify naming: all network stacks are in src/net_...

Makefile

@@ -1,5 +1,5 @@
 SRCS = mongoose.c test/unit_test.c test/packed_fs.c
-HDRS = $(wildcard src/*.h) $(wildcard src/tcpip/*.h)
+HDRS = $(wildcard src/*.h) $(wildcard src/drivers/*.h)
 DEFS ?= -DMG_MAX_HTTP_HEADERS=7 -DMG_ENABLE_LINES -DMG_ENABLE_PACKED_FS=1 -DMG_ENABLE_SSI=1 -DMG_ENABLE_ASSERT=1
 WARN ?= -pedantic -W -Wall -Werror -Wshadow -Wdouble-promotion -fno-common -Wconversion -Wundef
 OPTS ?= -O3 -g3
@@ -171,11 +171,11 @@ install: linux-libs
 uninstall:
 	rm -rf $(DESTDIR)$(LIBDIR)/libmongoose.a $(DESTDIR)$(LIBDIR)/libmongoose.so.$(VERSION) $(DESTDIR)$(INCLUDEDIR)/mongoose.h $(DESTDIR)$(LIBDIR)/libmongoose.so
 
-mongoose.c: Makefile $(wildcard src/*.c) $(wildcard src/tcpip/*.c)
-	(cat src/license.h; echo; echo '#include "mongoose.h"' ; (for F in src/*.c src/tcpip/*.c ; do echo; echo '#ifdef MG_ENABLE_LINES'; echo "#line 1 \"$$F\""; echo '#endif'; cat $$F | sed -e 's,#include ".*,,'; done))> $@
+mongoose.c: Makefile $(wildcard src/*.c) $(wildcard src/drivers/*.c)
+	(cat src/license.h; echo; echo '#include "mongoose.h"' ; (for F in src/*.c src/drivers/*.c ; do echo; echo '#ifdef MG_ENABLE_LINES'; echo "#line 1 \"$$F\""; echo '#endif'; cat $$F | sed -e 's,#include ".*,,'; done))> $@
 
 mongoose.h: $(HDRS) Makefile
-	(cat src/license.h; echo; echo '#ifndef MONGOOSE_H'; echo '#define MONGOOSE_H'; echo; cat src/version.h ; echo; echo '#ifdef __cplusplus'; echo 'extern "C" {'; echo '#endif'; cat src/arch.h src/arch_*.h src/net_*.h src/config.h src/str.h src/queue.h src/fmt.h src/printf.h src/log.h src/timer.h src/fs.h src/util.h src/url.h src/iobuf.h src/base64.h src/md5.h src/sha1.h src/event.h src/net.h src/http.h src/ssi.h src/tls.h src/tls_mbed.h src/tls_openssl.h src/ws.h src/sntp.h src/mqtt.h src/dns.h src/json.h src/rpc.h src/tcpip/tcpip.h src/tcpip/driver_*.h src/certs.h | sed -e '/keep/! s,#include ".*,,' -e 's,^#pragma once,,'; echo; echo '#ifdef __cplusplus'; echo '}'; echo '#endif'; echo '#endif  // MONGOOSE_H')> $@
+	(cat src/license.h; echo; echo '#ifndef MONGOOSE_H'; echo '#define MONGOOSE_H'; echo; cat src/version.h ; echo; echo '#ifdef __cplusplus'; echo 'extern "C" {'; echo '#endif'; cat src/arch.h src/arch_*.h src/net_ft.h src/net_lwip.h src/net_rl.h src/config.h src/str.h src/queue.h src/fmt.h src/printf.h src/log.h src/timer.h src/fs.h src/util.h src/url.h src/iobuf.h src/base64.h src/md5.h src/sha1.h src/event.h src/net.h src/http.h src/ssi.h src/tls.h src/tls_mbed.h src/tls_openssl.h src/ws.h src/sntp.h src/mqtt.h src/dns.h src/json.h src/rpc.h src/net_builtin.h src/drivers/*.h src/certs.h | sed -e '/keep/! s,#include ".*,,' -e 's,^#pragma once,,'; echo; echo '#ifdef __cplusplus'; echo '}'; echo '#endif'; echo '#endif  // MONGOOSE_H')> $@
 
 
 clean: clean_examples clean_embedded

mongoose.h

@@ -1642,11 +1642,11 @@ void mg_rpc_verr(struct mg_rpc_req *, int code, const char *fmt, va_list *);
 void mg_rpc_list(struct mg_rpc_req *r);
 
 
-#if MG_ENABLE_TCPIP
 
 
 
 
+#if defined(MG_ENABLE_TCPIP) && MG_ENABLE_TCPIP
 struct mg_tcpip_if;  // Mongoose TCP/IP network interface
 
 struct mg_tcpip_driver {

src/net_builtin.c

@@ -1,7 +1,6 @@
-#include "tcpip.h"
-
-#if MG_ENABLE_TCPIP
+#include "net_builtin.h"
 
+#if defined(MG_ENABLE_TCPIP) && MG_ENABLE_TCPIP
 #define MG_EPHEMERAL_PORT_BASE 32768
 #define PDIFF(a, b) ((size_t) (((char *) (b)) - ((char *) (a))))
 

src/net_builtin.h

@@ -1,10 +1,10 @@
 #pragma once
 
-#if MG_ENABLE_TCPIP
 #include "arch.h"
 #include "net.h"
 #include "queue.h"
 
+#if defined(MG_ENABLE_TCPIP) && MG_ENABLE_TCPIP
 struct mg_tcpip_if;  // Mongoose TCP/IP network interface
 
 struct mg_tcpip_driver {