diff options
| author | Carlos Santos <casantos@datacom.com.br> | 2018-08-27 17:15:01 -0300 |
|---|---|---|
| committer | Thomas Petazzoni <thomas.petazzoni@bootlin.com> | 2018-08-29 21:49:16 +0200 |
| commit | 37c49cf2f4a511fbf937dcf67efe73cca0fec9c0 (patch) | |
| tree | 8f329cd97ab9334d93f1a9d713ab54f9bfffc7e1 | |
| parent | 15ec125d3db327233d7a293ad38a8964cc163600 (diff) | |
| download | buildroot-37c49cf2f4a511fbf937dcf67efe73cca0fec9c0.tar.gz buildroot-37c49cf2f4a511fbf937dcf67efe73cca0fec9c0.zip | |
qemu: add an option to enable user mode networking (SLIRP)
User mode networking is a useful feature that does not depend on other
packages. Add an option to enable it but keep it disabled by default,
for backwards compatibility.
Signed-off-by: Carlos Santos <casantos@datacom.com.br>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
| -rw-r--r-- | package/qemu/Config.in | 25 | ||||
| -rw-r--r-- | package/qemu/qemu.mk | 6 |
2 files changed, 28 insertions, 3 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 = "" diff --git a/package/qemu/qemu.mk b/package/qemu/qemu.mk index aec803c1ae..afb2aa92f6 100644 --- a/package/qemu/qemu.mk +++ b/package/qemu/qemu.mk @@ -55,6 +55,11 @@ endif endif +# There is no "--enable-slirp" +ifeq ($(BR2_PACKAGE_QEMU_SLIRP),) +QEMU_OPTS += --disable-slirp +endif + ifeq ($(BR2_PACKAGE_QEMU_SDL),y) QEMU_OPTS += --enable-sdl QEMU_DEPENDENCIES += sdl @@ -101,7 +106,6 @@ define QEMU_CONFIGURE_CMDS --enable-vhost-net \ --disable-bsd-user \ --disable-xen \ - --disable-slirp \ --disable-vnc \ --disable-virtfs \ --disable-brlapi \ |
