!202 m核lwip提供gn编译脚本

Merge pull request !202 from 刘建东/master

BUILD.gn

@@ -36,6 +36,8 @@ declare_args() {
   enable_ohos_kernel_liteos_m_backtrace = true
   enable_ohos_kernel_liteos_m_test = false
   enable_ohos_kernel_liteos_m_pm = true
+  enable_ohos_kernel_liteos_m_lwip = false
+  ohos_kernel_liteos_m_lwip_path = "components/net/lwip-2.1:lwip"
 }
 
 group("kernel") {
@@ -68,4 +70,7 @@ group("kernel") {
   if (enable_ohos_kernel_liteos_m_test == true) {
     deps += [ "testsuits:test" ]
   }
+  if (enable_ohos_kernel_liteos_m_lwip == true) {
+    deps += [ ohos_kernel_liteos_m_lwip_path ]
+  }
 }

components/net/lwip-2.1/BUILD.gn

@@ -0,0 +1,50 @@
+# Copyright (c) 2021-2021 Huawei Device Co., Ltd. All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without modification,
+# are permitted provided that the following conditions are met:
+#
+# 1. Redistributions of source code must retain the above copyright notice, this list of
+#    conditions and the following disclaimer.
+#
+# 2. Redistributions in binary form must reproduce the above copyright notice, this list
+#    of conditions and the following disclaimer in the documentation and/or other materials
+#    provided with the distribution.
+#
+# 3. Neither the name of the copyright holder nor the names of its contributors may be used
+#    to endorse or promote products derived from this software without specific prior written
+#    permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+# THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+# OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+# OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+import("lwip_porting.gni")
+import("//third_party/lwip/lwip.gni")
+
+config("lwip_depends") {
+  defines = [ "_BSD_SOURCE = 1" ]
+}
+
+static_library("lwip") {
+  include_dirs = [
+    "//kernel/liteos_m/kal/posix/include",
+    "//kernel/liteos_m/kernel/arch/include",
+  ]
+
+  include_dirs += LWIP_PORTING_INCLUDE_DIRS
+  include_dirs += LWIP_INCLUDE_DIRS
+
+  sources = LWIP_PORTING_FILES + LWIPNOAPPSFILES
+
+  configs += [ ":lwip_depends" ]
+
+  deps = [ "//kernel/liteos_m/kal/posix" ]
+}

components/net/lwip-2.1/lwip_porting.gni

@@ -0,0 +1,41 @@
+# Copyright (c) 2021-2021 Huawei Device Co., Ltd. All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without modification,
+# are permitted provided that the following conditions are met:
+#
+# 1. Redistributions of source code must retain the above copyright notice, this list of
+#    conditions and the following disclaimer.
+#
+# 2. Redistributions in binary form must reproduce the above copyright notice, this list
+#    of conditions and the following disclaimer in the documentation and/or other materials
+#    provided with the distribution.
+#
+# 3. Neither the name of the copyright holder nor the names of its contributors may be used
+#    to endorse or promote products derived from this software without specific prior written
+#    permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+# THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+# OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+# OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+LWIP_PORTING_DIR = "//kernel/liteos_m/components/net/lwip-2.1"
+
+LWIP_PORTING_INCLUDE_DIRS = [ "$LWIP_PORTING_DIR/porting/include" ]
+
+LWIP_PORTING_FILES = [
+  "$LWIP_PORTING_DIR/porting/src/driverif.c",
+  "$LWIP_PORTING_DIR/porting/src/lwip_init.c",
+  "$LWIP_PORTING_DIR/porting/src/netdb_porting.c",
+  "$LWIP_PORTING_DIR/porting/src/sockets_porting.c",
+  "$LWIP_PORTING_DIR/porting/src/sys_arch.c",
+
+  "$LWIP_PORTING_DIR/enhancement/src/fixme.c",
+]

components/net/lwip-2.1/porting/src/netdb_porting.c

@@ -31,10 +31,31 @@
 
 #include "lwip/netdb.h"
 
+#if LWIP_DNS && LWIP_SOCKET
+
 struct hostent *gethostbyname(const char *name)
 {
     if (name == NULL) {
         return NULL;
     }
     return lwip_gethostbyname(name);
-}
+}
+
+int gethostbyname_r(const char *name, struct hostent *ret, char *buf, size_t buflen, struct hostent **result,
+    int *h_errnop)
+{
+    return lwip_gethostbyname_r(name, ret, buf, buflen, result, h_errnop);
+}
+
+void freeaddrinfo(struct addrinfo *res)
+{
+    lwip_freeaddrinfo(res);
+}
+
+int getaddrinfo(const char *restrict nodename, const char *restrict servname, const struct addrinfo *restrict hints,
+    struct addrinfo **restrict res)
+{
+    return lwip_getaddrinfo(nodename, servname, hints, res);
+}
+
+#endif

components/net/lwip-2.1/porting/src/sockets_porting.c

@@ -33,6 +33,7 @@
 #include <lwip/sockets.h>
 
 #if !LWIP_COMPAT_SOCKETS
+#if LWIP_SOCKET
 
 #define CHECK_NULL_PTR(ptr) do { if ((ptr) == NULL) { set_errno(EFAULT); return -1; } } while (0)
 
@@ -178,4 +179,10 @@ int poll(struct pollfd *fds, nfds_t nfds, int timeout)
 }
 #endif
 
+unsigned int if_nametoindex(const char *ifname)
+{
+    return lwip_if_nametoindex(ifname);
+}
+
+#endif
 #endif /* !LWIP_COMPAT_SOCKETS */

components/net/lwip-2.1/porting/src/sys_arch.c

@@ -180,7 +180,10 @@ err_t sys_mbox_trypost(sys_mbox_t *mbox, void *msg)
     return ERR_ARG;
 }
 
-err_t sys_mbox_trypost_fromisr(sys_mbox_t *mbox, void *msg);
+err_t sys_mbox_trypost_fromisr(sys_mbox_t *mbox, void *msg)
+{
+    return ERR_ARG;
+}
 
 u32_t sys_arch_mbox_fetch(sys_mbox_t *mbox, void **msg, u32_t timeoutMs)
 {