From 81ad2964e93848fc0998145043c395dea67f00da Mon Sep 17 00:00:00 2001 From: Vladislav Yaroshchuk Date: Thu, 17 Mar 2022 20:28:34 +0300 Subject: [PATCH] net/vmnet: add vmnet backends to qapi/net Create separate netdevs for each vmnet operating mode: - vmnet-host - vmnet-shared - vmnet-bridged Reviewed-by: Akihiko Odaki Tested-by: Akihiko Odaki Acked-by: Markus Armbruster Signed-off-by: Vladislav Yaroshchuk Signed-off-by: Jason Wang --- net/clients.h | 11 ++++ net/meson.build | 7 +++ net/net.c | 10 ++++ net/vmnet-bridged.m | 25 +++++++++ net/vmnet-common.m | 19 +++++++ net/vmnet-host.c | 24 ++++++++ net/vmnet-shared.c | 25 +++++++++ net/vmnet_int.h | 25 +++++++++ qapi/net.json | 133 +++++++++++++++++++++++++++++++++++++++++++- 9 files changed, 277 insertions(+), 2 deletions(-) create mode 100644 net/vmnet-bridged.m create mode 100644 net/vmnet-common.m create mode 100644 net/vmnet-host.c create mode 100644 net/vmnet-shared.c create mode 100644 net/vmnet_int.h diff --git a/net/clients.h b/net/clients.h index 92f9b59aed..c9157789f2 100644 --- a/net/clients.h +++ b/net/clients.h @@ -63,4 +63,15 @@ int net_init_vhost_user(const Netdev *netdev, const char *name, int net_init_vhost_vdpa(const Netdev *netdev, const char *name, NetClientState *peer, Error **errp); +#ifdef CONFIG_VMNET +int net_init_vmnet_host(const Netdev *netdev, const char *name, + NetClientState *peer, Error **errp); + +int net_init_vmnet_shared(const Netdev *netdev, const char *name, + NetClientState *peer, Error **errp); + +int net_init_vmnet_bridged(const Netdev *netdev, const char *name, + NetClientState *peer, Error **errp); +#endif /* CONFIG_VMNET */ + #endif /* QEMU_NET_CLIENTS_H */ diff --git a/net/meson.build b/net/meson.build index c965e83b26..754e2d1d40 100644 --- a/net/meson.build +++ b/net/meson.build @@ -44,4 +44,11 @@ if have_vhost_net_vdpa softmmu_ss.add(files('vhost-vdpa.c')) endif +vmnet_files = files( + 'vmnet-common.m', + 'vmnet-bridged.m', + 'vmnet-host.c', + 'vmnet-shared.c' +) +softmmu_ss.add(when: vmnet, if_true: vmnet_files) subdir('can') diff --git a/net/net.c b/net/net.c index a094cf1d29..2db160e063 100644 --- a/net/net.c +++ b/net/net.c @@ -1020,6 +1020,11 @@ static int (* const net_client_init_fun[NET_CLIENT_DRIVER__MAX])( #ifdef CONFIG_L2TPV3 [NET_CLIENT_DRIVER_L2TPV3] = net_init_l2tpv3, #endif +#ifdef CONFIG_VMNET + [NET_CLIENT_DRIVER_VMNET_HOST] = net_init_vmnet_host, + [NET_CLIENT_DRIVER_VMNET_SHARED] = net_init_vmnet_shared, + [NET_CLIENT_DRIVER_VMNET_BRIDGED] = net_init_vmnet_bridged, +#endif /* CONFIG_VMNET */ }; @@ -1105,6 +1110,11 @@ void show_netdevs(void) #endif #ifdef CONFIG_VHOST_VDPA "vhost-vdpa", +#endif +#ifdef CONFIG_VMNET + "vmnet-host", + "vmnet-shared", + "vmnet-bridged", #endif }; diff --git a/net/vmnet-bridged.m b/net/vmnet-bridged.m new file mode 100644 index 0000000000..91c1a2f2c7 --- /dev/null +++ b/net/vmnet-bridged.m @@ -0,0 +1,25 @@ +/* + * vmnet-bridged.m + * + * Copyright(c) 2022 Vladislav Yaroshchuk + * + * This work is licensed under the terms of the GNU GPL, version 2 or later. + * See the COPYING file in the top-level directory. + * + */ + +#include "qemu/osdep.h" +#include "qapi/qapi-types-net.h" +#include "vmnet_int.h" +#include "clients.h" +#include "qemu/error-report.h" +#include "qapi/error.h" + +#include + +int net_init_vmnet_bridged(const Netdev *netdev, const char *name, + NetClientState *peer, Error **errp) +{ + error_setg(errp, "vmnet-bridged is not implemented yet"); + return -1; +} diff --git a/net/vmnet-common.m b/net/vmnet-common.m new file mode 100644 index 0000000000..3bf42fc643 --- /dev/null +++ b/net/vmnet-common.m @@ -0,0 +1,19 @@ +/* + * vmnet-common.m - network client wrapper for Apple vmnet.framework + * + * Copyright(c) 2022 Vladislav Yaroshchuk + * Copyright(c) 2021 Phillip Tennen + * + * This work is licensed under the terms of the GNU GPL, version 2 or later. + * See the COPYING file in the top-level directory. + * + */ + +#include "qemu/osdep.h" +#include "qapi/qapi-types-net.h" +#include "vmnet_int.h" +#include "clients.h" +#include "qemu/error-report.h" +#include "qapi/error.h" + +#include diff --git a/net/vmnet-host.c b/net/vmnet-host.c new file mode 100644 index 0000000000..a461d507c5 --- /dev/null +++ b/net/vmnet-host.c @@ -0,0 +1,24 @@ +/* + * vmnet-host.c + * + * Copyright(c) 2022 Vladislav Yaroshchuk + * + * This work is licensed under the terms of the GNU GPL, version 2 or later. + * See the COPYING file in the top-level directory. + * + */ + +#include "qemu/osdep.h" +#include "qapi/qapi-types-net.h" +#include "vmnet_int.h" +#include "clients.h" +#include "qemu/error-report.h" +#include "qapi/error.h" + +#include + +int net_init_vmnet_host(const Netdev *netdev, const char *name, + NetClientState *peer, Error **errp) { + error_setg(errp, "vmnet-host is not implemented yet"); + return -1; +} diff --git a/net/vmnet-shared.c b/net/vmnet-shared.c new file mode 100644 index 0000000000..6dfb133a18 --- /dev/null +++ b/net/vmnet-shared.c @@ -0,0 +1,25 @@ +/* + * vmnet-shared.c + * + * Copyright(c) 2022 Vladislav Yaroshchuk + * + * This work is licensed under the terms of the GNU GPL, version 2 or later. + * See the COPYING file in the top-level directory. + * + */ + +#include "qemu/osdep.h" +#include "qapi/qapi-types-net.h" +#include "vmnet_int.h" +#include "clients.h" +#include "qemu/error-report.h" +#include "qapi/error.h" + +#include + +int net_init_vmnet_shared(const Netdev *netdev, const char *name, + NetClientState *peer, Error **errp) +{ + error_setg(errp, "vmnet-shared is not implemented yet"); + return -1; +} diff --git a/net/vmnet_int.h b/net/vmnet_int.h new file mode 100644 index 0000000000..c383038a1d --- /dev/null +++ b/net/vmnet_int.h @@ -0,0 +1,25 @@ +/* + * vmnet_int.h + * + * Copyright(c) 2022 Vladislav Yaroshchuk + * + * This work is licensed under the terms of the GNU GPL, version 2 or later. + * See the COPYING file in the top-level directory. + * + */ +#ifndef VMNET_INT_H +#define VMNET_INT_H + +#include "qemu/osdep.h" +#include "vmnet_int.h" +#include "clients.h" + +#include + +typedef struct VmnetState { + NetClientState nc; + +} VmnetState; + + +#endif /* VMNET_INT_H */ diff --git a/qapi/net.json b/qapi/net.json index b92f3f5fb4..d6f7cfd4d6 100644 --- a/qapi/net.json +++ b/qapi/net.json @@ -452,6 +452,120 @@ '*vhostdev': 'str', '*queues': 'int' } } +## +# @NetdevVmnetHostOptions: +# +# vmnet (host mode) network backend. +# +# Allows the vmnet interface to communicate with other vmnet +# interfaces that are in host mode and also with the host. +# +# @start-address: The starting IPv4 address to use for the interface. +# Must be in the private IP range (RFC 1918). Must be +# specified along with @end-address and @subnet-mask. +# This address is used as the gateway address. The +# subsequent address up to and including end-address are +# placed in the DHCP pool. +# +# @end-address: The DHCP IPv4 range end address to use for the +# interface. Must be in the private IP range (RFC 1918). +# Must be specified along with @start-address and +# @subnet-mask. +# +# @subnet-mask: The IPv4 subnet mask to use on the interface. Must +# be specified along with @start-address and @subnet-mask. +# +# @isolated: Enable isolation for this interface. Interface isolation +# ensures that vmnet interface is not able to communicate +# with any other vmnet interfaces. Only communication with +# host is allowed. Requires at least macOS Big Sur 11.0. +# +# @net-uuid: The identifier (UUID) to uniquely identify the isolated +# network vmnet interface should be added to. If +# set, no DHCP service is provided for this interface and +# network communication is allowed only with other interfaces +# added to this network identified by the UUID. Requires +# at least macOS Big Sur 11.0. +# +# Since: 7.1 +## +{ 'struct': 'NetdevVmnetHostOptions', + 'data': { + '*start-address': 'str', + '*end-address': 'str', + '*subnet-mask': 'str', + '*isolated': 'bool', + '*net-uuid': 'str' }, + 'if': 'CONFIG_VMNET' } + +## +# @NetdevVmnetSharedOptions: +# +# vmnet (shared mode) network backend. +# +# Allows traffic originating from the vmnet interface to reach the +# Internet through a network address translator (NAT). +# The vmnet interface can communicate with the host and with +# other shared mode interfaces on the same subnet. If no DHCP +# settings, subnet mask and IPv6 prefix specified, the interface can +# communicate with any of other interfaces in shared mode. +# +# @start-address: The starting IPv4 address to use for the interface. +# Must be in the private IP range (RFC 1918). Must be +# specified along with @end-address and @subnet-mask. +# This address is used as the gateway address. The +# subsequent address up to and including end-address are +# placed in the DHCP pool. +# +# @end-address: The DHCP IPv4 range end address to use for the +# interface. Must be in the private IP range (RFC 1918). +# Must be specified along with @start-address and @subnet-mask. +# +# @subnet-mask: The IPv4 subnet mask to use on the interface. Must +# be specified along with @start-address and @subnet-mask. +# +# @isolated: Enable isolation for this interface. Interface isolation +# ensures that vmnet interface is not able to communicate +# with any other vmnet interfaces. Only communication with +# host is allowed. Requires at least macOS Big Sur 11.0. +# +# @nat66-prefix: The IPv6 prefix to use into guest network. Must be a +# unique local address i.e. start with fd00::/8 and have +# length of 64. +# +# Since: 7.1 +## +{ 'struct': 'NetdevVmnetSharedOptions', + 'data': { + '*start-address': 'str', + '*end-address': 'str', + '*subnet-mask': 'str', + '*isolated': 'bool', + '*nat66-prefix': 'str' }, + 'if': 'CONFIG_VMNET' } + +## +# @NetdevVmnetBridgedOptions: +# +# vmnet (bridged mode) network backend. +# +# Bridges the vmnet interface with a physical network interface. +# +# @ifname: The name of the physical interface to be bridged. +# +# @isolated: Enable isolation for this interface. Interface isolation +# ensures that vmnet interface is not able to communicate +# with any other vmnet interfaces. Only communication with +# host is allowed. Requires at least macOS Big Sur 11.0. +# +# Since: 7.1 +## +{ 'struct': 'NetdevVmnetBridgedOptions', + 'data': { + 'ifname': 'str', + '*isolated': 'bool' }, + 'if': 'CONFIG_VMNET' } + ## # @NetClientDriver: # @@ -460,10 +574,16 @@ # Since: 2.7 # # @vhost-vdpa since 5.1 +# @vmnet-host since 7.1 +# @vmnet-shared since 7.1 +# @vmnet-bridged since 7.1 ## { 'enum': 'NetClientDriver', 'data': [ 'none', 'nic', 'user', 'tap', 'l2tpv3', 'socket', 'vde', - 'bridge', 'hubport', 'netmap', 'vhost-user', 'vhost-vdpa' ] } + 'bridge', 'hubport', 'netmap', 'vhost-user', 'vhost-vdpa', + { 'name': 'vmnet-host', 'if': 'CONFIG_VMNET' }, + { 'name': 'vmnet-shared', 'if': 'CONFIG_VMNET' }, + { 'name': 'vmnet-bridged', 'if': 'CONFIG_VMNET' }] } ## # @Netdev: @@ -477,6 +597,9 @@ # Since: 1.2 # # 'l2tpv3' - since 2.1 +# 'vmnet-host' - since 7.1 +# 'vmnet-shared' - since 7.1 +# 'vmnet-bridged' - since 7.1 ## { 'union': 'Netdev', 'base': { 'id': 'str', 'type': 'NetClientDriver' }, @@ -492,7 +615,13 @@ 'hubport': 'NetdevHubPortOptions', 'netmap': 'NetdevNetmapOptions', 'vhost-user': 'NetdevVhostUserOptions', - 'vhost-vdpa': 'NetdevVhostVDPAOptions' } } + 'vhost-vdpa': 'NetdevVhostVDPAOptions', + 'vmnet-host': { 'type': 'NetdevVmnetHostOptions', + 'if': 'CONFIG_VMNET' }, + 'vmnet-shared': { 'type': 'NetdevVmnetSharedOptions', + 'if': 'CONFIG_VMNET' }, + 'vmnet-bridged': { 'type': 'NetdevVmnetBridgedOptions', + 'if': 'CONFIG_VMNET' } } } ## # @RxState: