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[Qemu-devel] [PULL 1/9] net/tap: Replace tap-haiku.c and tap-aix.c by a


From: Jason Wang
Subject: [Qemu-devel] [PULL 1/9] net/tap: Replace tap-haiku.c and tap-aix.c by a generic tap-stub.c
Date: Tue, 23 May 2017 10:43:51 +0800

From: Thomas Huth <address@hidden>

The files tap-haiku.c and tap-aix.c are identical (except one line
of error message). We should avoid such code duplication, so replace
these by a generic tap-stub.c file instead.

Signed-off-by: Thomas Huth <address@hidden>
Reviewed-by: Philippe Mathieu-Daudé <address@hidden>
Signed-off-by: Jason Wang <address@hidden>
---
 net/Makefile.objs | 15 +++++-----
 net/tap-aix.c     | 88 -------------------------------------------------------
 net/tap-haiku.c   | 87 ------------------------------------------------------
 net/tap-stub.c    | 87 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 4 files changed, 95 insertions(+), 182 deletions(-)
 delete mode 100644 net/tap-aix.c
 delete mode 100644 net/tap-haiku.c
 create mode 100644 net/tap-stub.c

diff --git a/net/Makefile.objs b/net/Makefile.objs
index 2e2fd43..67ba5e2 100644
--- a/net/Makefile.objs
+++ b/net/Makefile.objs
@@ -3,13 +3,7 @@ common-obj-y += socket.o
 common-obj-y += dump.o
 common-obj-y += eth.o
 common-obj-$(CONFIG_L2TPV3) += l2tpv3.o
-common-obj-$(CONFIG_POSIX) += tap.o vhost-user.o
-common-obj-$(CONFIG_LINUX) += tap-linux.o
-common-obj-$(CONFIG_WIN32) += tap-win32.o
-common-obj-$(CONFIG_BSD) += tap-bsd.o
-common-obj-$(CONFIG_SOLARIS) += tap-solaris.o
-common-obj-$(CONFIG_AIX) += tap-aix.o
-common-obj-$(CONFIG_HAIKU) += tap-haiku.o
+common-obj-$(CONFIG_POSIX) += vhost-user.o
 common-obj-$(CONFIG_SLIRP) += slirp.o
 common-obj-$(CONFIG_VDE) += vde.o
 common-obj-$(CONFIG_NETMAP) += netmap.o
@@ -20,3 +14,10 @@ common-obj-y += colo-compare.o
 common-obj-y += colo.o
 common-obj-y += filter-rewriter.o
 common-obj-y += filter-replay.o
+
+tap-obj-$(CONFIG_LINUX) = tap-linux.o
+tap-obj-$(CONFIG_BSD) = tap-bsd.o
+tap-obj-$(CONFIG_SOLARIS) = tap-solaris.o
+tap-obj-y ?= tap-stub.o
+common-obj-$(CONFIG_POSIX) += tap.o $(tap-obj-y)
+common-obj-$(CONFIG_WIN32) += tap-win32.o
diff --git a/net/tap-aix.c b/net/tap-aix.c
deleted file mode 100644
index 0e6da63..0000000
--- a/net/tap-aix.c
+++ /dev/null
@@ -1,88 +0,0 @@
-/*
- * QEMU System Emulator
- *
- * Copyright (c) 2003-2008 Fabrice Bellard
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to 
deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 
FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- */
-
-#include "qemu/osdep.h"
-#include "qapi/error.h"
-#include "tap_int.h"
-
-int tap_open(char *ifname, int ifname_size, int *vnet_hdr,
-             int vnet_hdr_required, int mq_required, Error **errp)
-{
-    error_setg(errp, "no tap on AIX");
-    return -1;
-}
-
-void tap_set_sndbuf(int fd, const NetdevTapOptions *tap, Error **errp)
-{
-}
-
-int tap_probe_vnet_hdr(int fd)
-{
-    return 0;
-}
-
-int tap_probe_has_ufo(int fd)
-{
-    return 0;
-}
-
-int tap_probe_vnet_hdr_len(int fd, int len)
-{
-    return 0;
-}
-
-void tap_fd_set_vnet_hdr_len(int fd, int len)
-{
-}
-
-int tap_fd_set_vnet_le(int fd, int is_le)
-{
-    return -EINVAL;
-}
-
-int tap_fd_set_vnet_be(int fd, int is_be)
-{
-    return -EINVAL;
-}
-
-void tap_fd_set_offload(int fd, int csum, int tso4,
-                        int tso6, int ecn, int ufo)
-{
-}
-
-int tap_fd_enable(int fd)
-{
-    return -1;
-}
-
-int tap_fd_disable(int fd)
-{
-    return -1;
-}
-
-int tap_fd_get_ifname(int fd, char *ifname)
-{
-    return -1;
-}
-
diff --git a/net/tap-haiku.c b/net/tap-haiku.c
deleted file mode 100644
index b27e57e..0000000
--- a/net/tap-haiku.c
+++ /dev/null
@@ -1,87 +0,0 @@
-/*
- * QEMU System Emulator
- *
- * Copyright (c) 2003-2008 Fabrice Bellard
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to 
deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 
FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- */
-
-#include "qemu/osdep.h"
-#include "qapi/error.h"
-#include "tap_int.h"
-
-int tap_open(char *ifname, int ifname_size, int *vnet_hdr,
-             int vnet_hdr_required, int mq_required, Error **errp)
-{
-    error_setg(errp, "no tap on Haiku");
-    return -1;
-}
-
-void tap_set_sndbuf(int fd, const NetdevTapOptions *tap, Error **errp)
-{
-}
-
-int tap_probe_vnet_hdr(int fd)
-{
-    return 0;
-}
-
-int tap_probe_has_ufo(int fd)
-{
-    return 0;
-}
-
-int tap_probe_vnet_hdr_len(int fd, int len)
-{
-    return 0;
-}
-
-void tap_fd_set_vnet_hdr_len(int fd, int len)
-{
-}
-
-int tap_fd_set_vnet_le(int fd, int is_le)
-{
-    return -EINVAL;
-}
-
-int tap_fd_set_vnet_be(int fd, int is_be)
-{
-    return -EINVAL;
-}
-
-void tap_fd_set_offload(int fd, int csum, int tso4,
-                        int tso6, int ecn, int ufo)
-{
-}
-
-int tap_fd_enable(int fd)
-{
-    return -1;
-}
-
-int tap_fd_disable(int fd)
-{
-    return -1;
-}
-
-int tap_fd_get_ifname(int fd, char *ifname)
-{
-    return -1;
-}
diff --git a/net/tap-stub.c b/net/tap-stub.c
new file mode 100644
index 0000000..a9ab8f8
--- /dev/null
+++ b/net/tap-stub.c
@@ -0,0 +1,87 @@
+/*
+ * QEMU System Emulator
+ *
+ * Copyright (c) 2003-2008 Fabrice Bellard
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to 
deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 
FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#include "qemu/osdep.h"
+#include "qapi/error.h"
+#include "tap_int.h"
+
+int tap_open(char *ifname, int ifname_size, int *vnet_hdr,
+             int vnet_hdr_required, int mq_required, Error **errp)
+{
+    error_setg(errp, "tap is not supported in this build");
+    return -1;
+}
+
+void tap_set_sndbuf(int fd, const NetdevTapOptions *tap, Error **errp)
+{
+}
+
+int tap_probe_vnet_hdr(int fd)
+{
+    return 0;
+}
+
+int tap_probe_has_ufo(int fd)
+{
+    return 0;
+}
+
+int tap_probe_vnet_hdr_len(int fd, int len)
+{
+    return 0;
+}
+
+void tap_fd_set_vnet_hdr_len(int fd, int len)
+{
+}
+
+int tap_fd_set_vnet_le(int fd, int is_le)
+{
+    return -EINVAL;
+}
+
+int tap_fd_set_vnet_be(int fd, int is_be)
+{
+    return -EINVAL;
+}
+
+void tap_fd_set_offload(int fd, int csum, int tso4,
+                        int tso6, int ecn, int ufo)
+{
+}
+
+int tap_fd_enable(int fd)
+{
+    return -1;
+}
+
+int tap_fd_disable(int fd)
+{
+    return -1;
+}
+
+int tap_fd_get_ifname(int fd, char *ifname)
+{
+    return -1;
+}
-- 
2.7.4




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