diff options
Diffstat (limited to 'net.c')
| -rw-r--r-- | net.c | 81 |
1 files changed, 62 insertions, 19 deletions
@@ -281,29 +281,64 @@ NICState *qemu_new_nic(NetClientInfo *info, return nic; } -void qemu_del_vlan_client(VLANClientState *vc) +static void qemu_cleanup_vlan_client(VLANClientState *vc) { if (vc->vlan) { QTAILQ_REMOVE(&vc->vlan->clients, vc, next); } else { - if (vc->send_queue) { - qemu_del_net_queue(vc->send_queue); - } QTAILQ_REMOVE(&non_vlan_clients, vc, next); - if (vc->peer) { - vc->peer->peer = NULL; - } } if (vc->info->cleanup) { vc->info->cleanup(vc); } +} +static void qemu_free_vlan_client(VLANClientState *vc) +{ + if (!vc->vlan) { + if (vc->send_queue) { + qemu_del_net_queue(vc->send_queue); + } + if (vc->peer) { + vc->peer->peer = NULL; + } + } qemu_free(vc->name); qemu_free(vc->model); qemu_free(vc); } +void qemu_del_vlan_client(VLANClientState *vc) +{ + /* If there is a peer NIC, delete and cleanup client, but do not free. */ + if (!vc->vlan && vc->peer && vc->peer->info->type == NET_CLIENT_TYPE_NIC) { + NICState *nic = DO_UPCAST(NICState, nc, vc->peer); + if (nic->peer_deleted) { + return; + } + nic->peer_deleted = true; + /* Let NIC know peer is gone. */ + vc->peer->link_down = true; + if (vc->peer->info->link_status_changed) { + vc->peer->info->link_status_changed(vc->peer); + } + qemu_cleanup_vlan_client(vc); + return; + } + + /* If this is a peer NIC and peer has already been deleted, free it now. */ + if (!vc->vlan && vc->peer && vc->info->type == NET_CLIENT_TYPE_NIC) { + NICState *nic = DO_UPCAST(NICState, nc, vc); + if (nic->peer_deleted) { + qemu_free_vlan_client(vc->peer); + } + } + + qemu_cleanup_vlan_client(vc); + qemu_free_vlan_client(vc); +} + VLANClientState * qemu_find_vlan_client_by_name(Monitor *mon, int vlan_id, const char *client_str) @@ -739,19 +774,25 @@ int qemu_find_nic_model(NICInfo *nd, const char * const *models, int net_handle_fd_param(Monitor *mon, const char *param) { - if (!qemu_isdigit(param[0])) { - int fd; + int fd; + + if (!qemu_isdigit(param[0]) && mon) { fd = monitor_get_fd(mon, param); if (fd == -1) { error_report("No file descriptor named %s found", param); return -1; } - - return fd; } else { - return strtol(param, NULL, 0); + char *endptr = NULL; + + fd = strtol(param, &endptr, 10); + if (*endptr || (fd == 0 && param == endptr)) { + return -1; + } } + + return fd; } static int net_init_nic(QemuOpts *opts, @@ -1168,7 +1209,7 @@ void net_host_device_add(Monitor *mon, const QDict *qdict) return; } - opts = qemu_opts_parse(&qemu_net_opts, opts_str ? opts_str : "", 0); + opts = qemu_opts_parse(qemu_find_opts("net"), opts_str ? opts_str : "", 0); if (!opts) { return; } @@ -1202,7 +1243,7 @@ int do_netdev_add(Monitor *mon, const QDict *qdict, QObject **ret_data) QemuOpts *opts; int res; - opts = qemu_opts_from_qdict(&qemu_netdev_opts, qdict); + opts = qemu_opts_from_qdict(qemu_find_opts("netdev"), qdict); if (!opts) { return -1; } @@ -1226,7 +1267,7 @@ int do_netdev_del(Monitor *mon, const QDict *qdict, QObject **ret_data) return -1; } qemu_del_vlan_client(vc); - qemu_opts_del(qemu_opts_find(&qemu_netdev_opts, id)); + qemu_opts_del(qemu_opts_find(qemu_find_opts("netdev"), id)); return 0; } @@ -1349,21 +1390,23 @@ static int net_init_netdev(QemuOpts *opts, void *dummy) int net_init_clients(void) { + QemuOptsList *net = qemu_find_opts("net"); + if (default_net) { /* if no clients, we use a default config */ - qemu_opts_set(&qemu_net_opts, NULL, "type", "nic"); + qemu_opts_set(net, NULL, "type", "nic"); #ifdef CONFIG_SLIRP - qemu_opts_set(&qemu_net_opts, NULL, "type", "user"); + qemu_opts_set(net, NULL, "type", "user"); #endif } QTAILQ_INIT(&vlans); QTAILQ_INIT(&non_vlan_clients); - if (qemu_opts_foreach(&qemu_netdev_opts, net_init_netdev, NULL, 1) == -1) + if (qemu_opts_foreach(qemu_find_opts("netdev"), net_init_netdev, NULL, 1) == -1) return -1; - if (qemu_opts_foreach(&qemu_net_opts, net_init_client, NULL, 1) == -1) { + if (qemu_opts_foreach(net, net_init_client, NULL, 1) == -1) { return -1; } |