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bh=kFQF/s0PHcJKQu5NMQl2S+TebRUYeZokmleaW/O43uQ=; b=Rnr776XAGJB1WwiM3DKnPgLYophc0IJWY/Fem8VoTdBMFt36I55kdsKVxW47isgWpr L0OOTL0H91jVrJR5Ze0SHorT2z16t7i3q9qhY8pZ4a8+rFj2e5UVb1xwr8kofhDegRRv Z8E4IkD3LpxUMyYgSS8+hNqAc8eIXRYe1VZcT3yVTGJ05sn1y3S2jQV7FKAyMjNKxLd8 vVHJhMc5pNUqEbAXm7QYFhAS1AHN+hLTjL+nYMgnzzbekjviYuFOsF+KQ8Vu9VNya19y IrZXiWVG+uEEmFjKbudCE2pexSXTnpAvJ8MK4mtOTwhGYwfNBI02rrbXwyO1P+5XC81l ztAA== X-Gm-Message-State: AOAM530ej80MglIQAm8dnMYJGf5CBrYNUMzUcjBEvanVT8vpLqkskbcM rscjXOq2j039Vsh8qOslAPBsNy6CckEt4afl X-Google-Smtp-Source: ABdhPJw3RF6zqJXaUJ0CwaBCACLD3XCPeCLToWmoRU1+IMiSy/98PQ8Wut7SBMGqnrc1b/Y6N2TnRQ== X-Received: by 2002:a2e:b754:0:b0:247:eb1b:9370 with SMTP id k20-20020a2eb754000000b00247eb1b9370mr2495911ljo.302.1647512971924; Thu, 17 Mar 2022 03:29:31 -0700 (PDT) From: Vladislav Yaroshchuk X-Google-Original-From: Vladislav Yaroshchuk To: qemu-devel@nongnu.org Cc: jasowang@redhat.com, r.bolshakov@yadro.com, eblake@redhat.com, phillip.ennen@gmail.com, phillip@axleos.com, akihiko.odaki@gmail.com, armbru@redhat.com, hsp.cat7@gmail.com, hello@adns.io, roman@roolebo.dev, peter.maydell@linaro.org, dirty@apple.com, f4bug@amsat.org, agraf@csgraf.de, kraxel@redhat.com, alex.bennee@linaro.org, qemu_oss@crudebyte.com, Vladislav Yaroshchuk Subject: [PATCH v21 5/7] net/vmnet: implement bridged mode (vmnet-bridged) Date: Thu, 17 Mar 2022 13:28:31 +0300 Message-Id: <20220317102833.20775-6-Vladislav.Yaroshchuk@jetbrains.com> X-Mailer: git-send-email 2.34.1.vfs.0.0 In-Reply-To: <20220317102833.20775-1-Vladislav.Yaroshchuk@jetbrains.com> References: <20220317102833.20775-1-Vladislav.Yaroshchuk@jetbrains.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Host-Lookup-Failed: Reverse DNS lookup failed for 2a00:1450:4864:20::229 (failed) Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2a00:1450:4864:20::229; envelope-from=vladislav.yaroshchuk@jetbrains.com; helo=mail-lj1-x229.google.com X-Spam_score_int: -6 X-Spam_score: -0.7 X-Spam_bar: / X-Spam_report: (-0.7 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, PDS_HP_HELO_NORDNS=0.659, RCVD_IN_DNSWL_NONE=-0.0001, RDNS_NONE=0.793, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: pass (identity @jetbrains.com) X-ZM-MESSAGEID: 1647514629726100003 Content-Type: text/plain; charset="utf-8" Signed-off-by: Vladislav Yaroshchuk --- net/vmnet-bridged.m | 130 ++++++++++++++++++++++++++++++++++++++++++-- 1 file changed, 125 insertions(+), 5 deletions(-) diff --git a/net/vmnet-bridged.m b/net/vmnet-bridged.m index 91c1a2f2c7..6970c7d17b 100644 --- a/net/vmnet-bridged.m +++ b/net/vmnet-bridged.m @@ -10,16 +10,136 @@ =20 #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 "clients.h" +#include "vmnet_int.h" =20 #include =20 + +static bool validate_ifname(const char *ifname) +{ + xpc_object_t shared_if_list =3D vmnet_copy_shared_interface_list(); + bool match =3D false; + if (!xpc_array_get_count(shared_if_list)) { + goto done; + } + + match =3D !xpc_array_apply( + shared_if_list, + ^bool(size_t index, xpc_object_t value) { + return strcmp(xpc_string_get_string_ptr(value), ifname) !=3D 0; + }); + +done: + xpc_release(shared_if_list); + return match; +} + + +static char* get_valid_ifnames() +{ + xpc_object_t shared_if_list =3D vmnet_copy_shared_interface_list(); + __block char *if_list =3D NULL; + __block char *if_list_prev =3D NULL; + + if (!xpc_array_get_count(shared_if_list)) { + goto done; + } + + xpc_array_apply( + shared_if_list, + ^bool(size_t index, xpc_object_t value) { + /* build list of strings like "en0 en1 en2 " */ + if_list =3D g_strconcat(xpc_string_get_string_ptr(value), + " ", + if_list_prev, + NULL); + g_free(if_list_prev); + if_list_prev =3D if_list; + return true; + }); + +done: + xpc_release(shared_if_list); + return if_list; +} + + +static bool validate_options(const Netdev *netdev, Error **errp) +{ + const NetdevVmnetBridgedOptions *options =3D &(netdev->u.vmnet_bridged= ); + char* if_list; + + if (!validate_ifname(options->ifname)) { + if_list =3D get_valid_ifnames(); + if (if_list) { + error_setg(errp, + "unsupported ifname '%s', expected one of [ %s]", + options->ifname, + if_list); + g_free(if_list); + } else { + error_setg(errp, + "unsupported ifname '%s', no supported " + "interfaces available", + options->ifname); + } + return false; + } + +#if !defined(MAC_OS_VERSION_11_0) || \ + MAC_OS_X_VERSION_MIN_REQUIRED < MAC_OS_VERSION_11_0 + if (options->has_isolated) { + error_setg(errp, + "vmnet-bridged.isolated feature is " + "unavailable: outdated vmnet.framework API"); + return false; + } +#endif + return true; +} + + +static xpc_object_t build_if_desc(const Netdev *netdev) +{ + const NetdevVmnetBridgedOptions *options =3D &(netdev->u.vmnet_bridged= ); + xpc_object_t if_desc =3D xpc_dictionary_create(NULL, NULL, 0); + + xpc_dictionary_set_uint64(if_desc, + vmnet_operation_mode_key, + VMNET_BRIDGED_MODE + ); + + xpc_dictionary_set_string(if_desc, + vmnet_shared_interface_name_key, + options->ifname); + +#if defined(MAC_OS_VERSION_11_0) && \ + MAC_OS_X_VERSION_MIN_REQUIRED >=3D MAC_OS_VERSION_11_0 + xpc_dictionary_set_bool(if_desc, + vmnet_enable_isolation_key, + options->isolated); +#endif + return if_desc; +} + + +static NetClientInfo net_vmnet_bridged_info =3D { + .type =3D NET_CLIENT_DRIVER_VMNET_BRIDGED, + .size =3D sizeof(VmnetState), + .receive =3D vmnet_receive_common, + .cleanup =3D vmnet_cleanup_common, +}; + + 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; + NetClientState *nc =3D qemu_new_net_client(&net_vmnet_bridged_info, + peer, "vmnet-bridged", name); + if (!validate_options(netdev, errp)) { + return -1; + } + return vmnet_if_create(nc, build_if_desc(netdev), errp); } --=20 2.34.1.vfs.0.0