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-rw-r--r--package/qemu/Config.in25
1 files changed, 23 insertions, 2 deletions
diff --git a/package/qemu/Config.in b/package/qemu/Config.in
index 13b615bfba..61a2a1072e 100644
--- a/package/qemu/Config.in
+++ b/package/qemu/Config.in
@@ -54,8 +54,29 @@ config BR2_PACKAGE_QEMU_CUSTOM_TARGETS
x86_64-softmmu | sparc-bsd-user
... | ...
-config QEMU_FOO
- bool # To break the indentation
+comment "Networking options"
+
+config BR2_PACKAGE_QEMU_SLIRP
+ bool "Enable user mode networking (SLIRP)"
+ help
+ Enable user mode network stack, which is the default
+ networking backend. It requires no administrator privileges
+ and generally is the easiest to use but has some
+ limitations:
+
+ - there is a lot of overhead so the performance is poor;
+ - in general ICMP does not work (can't ping from/to a guest)
+ - on Linux hosts, ping does work from within the guest, but it
+ needs initial setup by root (once per host)
+ - the guest is not directly accessible from the host or the
+ external network
+
+ User Networking is implemented using "slirp", which provides a
+ full TCP/IP stack within QEMU and uses that stack to implement
+ a virtual NAT'd network.
+
+ Notice that this option does not disable other networking
+ modes.
if BR2_PACKAGE_QEMU_CUSTOM_TARGETS = ""
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