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C++ ovs_vport_free函数代码示例

本文整理汇总了C++中ovs_vport_free函数的典型用法代码示例。如果您正苦于以下问题：C++ ovs_vport_free函数的具体用法？C++ ovs_vport_free怎么用？C++ ovs_vport_free使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。


在下文中一共展示了ovs_vport_free函数的15个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: ovs_dp_get_net

static struct vport *gre_tnl_create(const struct vport_parms *parms)
{
	struct net *net = ovs_dp_get_net(parms->dp);
	struct net_device *dev;
	struct vport *vport;
	int err;

	vport = ovs_vport_alloc(0, &ovs_gre_vport_ops, parms);
	if (IS_ERR(vport))
		return vport;

	rtnl_lock();
	dev = gretap_fb_dev_create(net, parms->name, NET_NAME_USER);
	if (IS_ERR(dev)) {
		rtnl_unlock();
		ovs_vport_free(vport);
		return ERR_CAST(dev);
	}

	err = dev_change_flags(dev, dev->flags | IFF_UP);
	if (err < 0) {
		rtnl_delete_link(dev);
		rtnl_unlock();
		ovs_vport_free(vport);
		return ERR_PTR(err);
	}

	rtnl_unlock();
	return vport;
}
开发者ID:Grim-lock，项目名称:ovs，代码行数:30，代码来源:vport-gre.c

示例2: ovs_dp_get_net

static struct vport *vxlan_tnl_create(const struct vport_parms *parms)
{
	struct net *net = ovs_dp_get_net(parms->dp);
	struct nlattr *options = parms->options;
	struct vxlan_port *vxlan_port;
	struct vxlan_sock *vs;
	struct vport *vport;
	struct nlattr *a;
	u16 dst_port;
	int err;

	if (!options) {
		err = -EINVAL;
		goto error;
	}
	a = nla_find_nested(options, OVS_TUNNEL_ATTR_DST_PORT);
	if (a && nla_len(a) == sizeof(u16)) {
		dst_port = nla_get_u16(a);
	} else {
		/* Require destination port from userspace. */
		err = -EINVAL;
		goto error;
	}

	vport = ovs_vport_alloc(sizeof(struct vxlan_port),
				&ovs_vxlan_vport_ops, parms);
	if (IS_ERR(vport))
		return vport;

	vxlan_port = vxlan_vport(vport);
	strncpy(vxlan_port->name, parms->name, IFNAMSIZ);

	a = nla_find_nested(options, OVS_TUNNEL_ATTR_EXTENSION);
	if (a) {
		err = vxlan_configure_exts(vport, a);
		if (err) {
			ovs_vport_free(vport);
			goto error;
		}
	}

	vs = vxlan_sock_add(net, htons(dst_port), vxlan_rcv, vport, true,
			    vxlan_port->exts);
	if (IS_ERR(vs)) {
		ovs_vport_free(vport);
		return (void *)vs;
	}
	vxlan_port->vs = vs;

	return vport;

error:
	return ERR_PTR(err);
}
开发者ID:19Dan01，项目名称:linux，代码行数:54，代码来源:vport-vxlan.c

示例3: ovs_vport_alloc

static struct vport *netdev_create(const struct vport_parms *parms)
{
    struct vport *vport;
    struct netdev_vport *netdev_vport;
    int err;

    vport = ovs_vport_alloc(sizeof(struct netdev_vport),
                            &ovs_netdev_vport_ops, parms);
    if (IS_ERR(vport)) {
        err = PTR_ERR(vport);
        goto error;
    }

    netdev_vport = netdev_vport_priv(vport);

    netdev_vport->dev = dev_get_by_name(ovs_dp_get_net(vport->dp), parms->name);
    if (!netdev_vport->dev) {
        err = -ENODEV;
        goto error_free_vport;
    }

    if (netdev_vport->dev->flags & IFF_LOOPBACK ||
            netdev_vport->dev->type != ARPHRD_ETHER ||
            ovs_is_internal_dev(netdev_vport->dev)) {
        err = -EINVAL;
        goto error_put;
    }

    rtnl_lock();
    err = netdev_master_upper_dev_link(netdev_vport->dev,
                                       get_dpdev(vport->dp));
    if (err)
        goto error_unlock;

    err = netdev_rx_handler_register(netdev_vport->dev, netdev_frame_hook,
                                     vport);
    if (err)
        goto error_master_upper_dev_unlink;

    dev_set_promiscuity(netdev_vport->dev, 1);
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,24)
    dev_disable_lro(netdev_vport->dev);
#endif
    netdev_vport->dev->priv_flags |= IFF_OVS_DATAPATH;
    rtnl_unlock();

    netdev_init();
    return vport;

error_master_upper_dev_unlink:
    netdev_upper_dev_unlink(netdev_vport->dev, get_dpdev(vport->dp));
error_unlock:
    rtnl_unlock();
error_put:
    dev_put(netdev_vport->dev);
error_free_vport:
    ovs_vport_free(vport);
error:
    return ERR_PTR(err);
}
开发者ID:ravikondamuru，项目名称:openvswitch，代码行数:60，代码来源:vport-netdev.c

示例4: ovs_vport_alloc

static struct vport *netdev_create(const struct vport_parms *parms)
{
	struct vport *vport;
	struct netdev_vport *netdev_vport;
	int err;

	vport = ovs_vport_alloc(sizeof(struct netdev_vport),
				&ovs_netdev_vport_ops, parms);
	if (IS_ERR(vport)) {
		err = PTR_ERR(vport);
		goto error;
	}

	netdev_vport = netdev_vport_priv(vport);

	netdev_vport->dev = dev_get_by_name(ovs_dp_get_net(vport->dp), parms->name);
	if (!netdev_vport->dev) {
		err = -ENODEV;
		goto error_free_vport;
	}

	if (netdev_vport->dev->flags & IFF_LOOPBACK ||
	    netdev_vport->dev->type != ARPHRD_ETHER ||
	    ovs_is_internal_dev(netdev_vport->dev)) {
		err = -EINVAL;
		goto error_put;
	}

	rtnl_lock();
#ifdef HAVE_RHEL_OVS_HOOK
	rcu_assign_pointer(netdev_vport->dev->ax25_ptr, vport);
	atomic_inc(&nr_bridges);
	rcu_assign_pointer(openvswitch_handle_frame_hook, netdev_frame_hook);
#else
	err = netdev_rx_handler_register(netdev_vport->dev, netdev_frame_hook,
					 vport);
	if (err)
		goto error_unlock;
#endif

	dev_set_promiscuity(netdev_vport->dev, 1);
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,24)
	dev_disable_lro(netdev_vport->dev);
#endif
	netdev_vport->dev->priv_flags |= IFF_OVS_DATAPATH;
	rtnl_unlock();

	return vport;

#ifndef HAVE_RHEL_OVS_HOOK
error_unlock:
#endif
	rtnl_unlock();
error_put:
	dev_put(netdev_vport->dev);
error_free_vport:
	ovs_vport_free(vport);
error:
	return ERR_PTR(err);
}
开发者ID:cardinal27513，项目名称:ovs-vxlan，代码行数:60，代码来源:vport-netdev.c

示例5: internal_dev_destructor

static void internal_dev_destructor(struct net_device *dev)
{
	struct vport *vport = ovs_internal_dev_get_vport(dev);

	ovs_vport_free(vport);
	free_netdev(dev);
}
开发者ID:MiniBlu，项目名称:cm11_kernel_htc_msm8974a3ul，代码行数:7，代码来源:vport-internal_dev.c

示例6: free_port_rcu

static void free_port_rcu(struct rcu_head *rcu)
{
	struct netdev_vport *netdev_vport = container_of(rcu,
					struct netdev_vport, rcu);

	dev_put(netdev_vport->dev);
	ovs_vport_free(vport_from_priv(netdev_vport));
}
开发者ID:CoerWatt，项目名称:linux，代码行数:8，代码来源:vport-netdev.c

示例7: vport_netdev_free

static void vport_netdev_free(struct rcu_head *rcu)
{
	struct vport *vport = container_of(rcu, struct vport, rcu);

	if (vport->dev)
		dev_put(vport->dev);
	ovs_vport_free(vport);
}
开发者ID:guanhe0，项目名称:kernel，代码行数:8，代码来源:vport-netdev.c

示例8: free_port_rcu

static void free_port_rcu(struct rcu_head *rcu)
{
	struct patch_vport *patch_vport = container_of(rcu,
					  struct patch_vport, rcu);

	kfree((struct patch_config __force *)patch_vport->patchconf);
	ovs_vport_free(vport_from_priv(patch_vport));
}
开发者ID:AlickHill，项目名称:Lantern，代码行数:8，代码来源:vport-patch.c

示例9: internal_dev_destructor

static void internal_dev_destructor(struct net_device *dev)
{
	struct vport *vport = ovs_internal_dev_get_vport(dev);

	ovs_vport_free(vport);
#ifndef HAVE_NEEDS_FREE_NETDEV
	free_netdev(dev);
#endif
}
开发者ID:Grim-lock，项目名称:ovs，代码行数:9，代码来源:vport-internal_dev.c

示例10: ovs_vport_alloc

static struct vport *internal_dev_create(const struct vport_parms *parms)
{
	struct vport *vport;
	struct internal_dev *internal_dev;
	int err;

	vport = ovs_vport_alloc(0, &ovs_internal_vport_ops, parms);
	if (IS_ERR(vport)) {
		err = PTR_ERR(vport);
		goto error;
	}

	vport->dev = alloc_netdev(sizeof(struct internal_dev),
				  parms->name, NET_NAME_USER, do_setup);
	if (!vport->dev) {
		err = -ENOMEM;
		goto error_free_vport;
	}
	vport->dev->tstats = netdev_alloc_pcpu_stats(struct pcpu_sw_netstats);
	if (!vport->dev->tstats) {
		err = -ENOMEM;
		goto error_free_netdev;
	}

#ifdef HAVE_IFF_PHONY_HEADROOM
	vport->dev->needed_headroom = vport->dp->max_headroom;
#endif
	dev_net_set(vport->dev, ovs_dp_get_net(vport->dp));
	internal_dev = internal_dev_priv(vport->dev);
	internal_dev->vport = vport;

	/* Restrict bridge port to current netns. */
	if (vport->port_no == OVSP_LOCAL)
		vport->dev->features |= NETIF_F_NETNS_LOCAL;

	rtnl_lock();
	err = register_netdevice(vport->dev);
	if (err)
		goto error_unlock;

	dev_set_promiscuity(vport->dev, 1);
	rtnl_unlock();
	netif_start_queue(vport->dev);

	return vport;

error_unlock:
	rtnl_unlock();
	free_percpu(vport->dev->tstats);
error_free_netdev:
	free_netdev(vport->dev);
error_free_vport:
	ovs_vport_free(vport);
error:
	return ERR_PTR(err);
}
开发者ID:Grim-lock，项目名称:ovs，代码行数:56，代码来源:vport-internal_dev.c

示例11: netdev_destroy

static void netdev_destroy(struct vport *vport)
{
	struct netdev_vport *netdev_vport = netdev_vport_priv(vport);

	netdev_vport->dev->priv_flags &= ~IFF_OVS_DATAPATH;
	netdev_rx_handler_unregister(netdev_vport->dev);
	dev_set_promiscuity(netdev_vport->dev, -1);

	synchronize_rcu();

	dev_put(netdev_vport->dev);
	ovs_vport_free(vport);
}
开发者ID:crazyideas21，项目名称:swclone，代码行数:13，代码来源:vport-netdev.c

示例12: ovs_vport_alloc

static struct vport *internal_dev_create(const struct vport_parms *parms)
{
	struct vport *vport;
	struct netdev_vport *netdev_vport;
	struct internal_dev *internal_dev;
	int err;

	vport = ovs_vport_alloc(sizeof(struct netdev_vport),
				&ovs_internal_vport_ops, parms);
	if (IS_ERR(vport)) {
		err = PTR_ERR(vport);
		goto error;
	}

	netdev_vport = netdev_vport_priv(vport);

	netdev_vport->dev = alloc_netdev(sizeof(struct internal_dev),
					 parms->name, NET_NAME_UNKNOWN,
					 do_setup);
	if (!netdev_vport->dev) {
		err = -ENOMEM;
		goto error_free_vport;
	}

	dev_net_set(netdev_vport->dev, ovs_dp_get_net(vport->dp));
	internal_dev = internal_dev_priv(netdev_vport->dev);
	internal_dev->vport = vport;

	/* Restrict bridge port to current netns. */
	if (vport->port_no == OVSP_LOCAL)
		netdev_vport->dev->features |= NETIF_F_NETNS_LOCAL;

	rtnl_lock();
	err = register_netdevice(netdev_vport->dev);
	if (err)
		goto error_free_netdev;

	dev_set_promiscuity(netdev_vport->dev, 1);
	rtnl_unlock();
	netif_start_queue(netdev_vport->dev);

	return vport;

error_free_netdev:
	rtnl_unlock();
	free_netdev(netdev_vport->dev);
error_free_vport:
	ovs_vport_free(vport);
error:
	return ERR_PTR(err);
}
开发者ID:3null，项目名称:linux，代码行数:51，代码来源:vport-internal_dev.c

示例13: ovs_vport_alloc

/*
 * 重要！通过相应的参数进行网络设备的注册
 * 何时调用？
*/
static struct vport *netdev_create(const struct vport_parms *parms)
{
	struct vport *vport;
	struct netdev_vport *netdev_vport;  // 看vport_netdev.h中的定义
	int err;
	//根据具体的ovs_netdev_vport_ops和参数构造一个vport
	// 第一个参数代表私有数据的大小，这里正是要放struct netdev_vport
	vport = ovs_vport_alloc(sizeof(struct netdev_vport), &ovs_netdev_vport_ops, parms);
	if (IS_ERR(vport)) {
		err = PTR_ERR(vport);
		goto error;
	}

	netdev_vport = netdev_vport_priv(vport);

	netdev_vport->dev = dev_get_by_name(ovs_dp_get_net(vport->dp), parms->name);
	if (!netdev_vport->dev) {
		err = -ENODEV;
		goto error_free_vport;
	}

	if (netdev_vport->dev->flags & IFF_LOOPBACK ||
	    netdev_vport->dev->type != ARPHRD_ETHER ||
	    ovs_is_internal_dev(netdev_vport->dev)) {
		err = -EINVAL;
		goto error_put;
	}
	/* 重要！就是设置net_device两个字段  netdev_rx_handler_register - register receive handler
     *      @dev: device to register a handler for
     *      @rx_handler: receive handler to register
     *      @rx_handler_data: data pointer that is used by rx handler
	*/
	err = netdev_rx_handler_register(netdev_vport->dev, netdev_frame_hook, vport);
	if (err)
		goto error_put;

	dev_set_promiscuity(netdev_vport->dev, 1);
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,24)
	dev_disable_lro(netdev_vport->dev);
#endif
	netdev_vport->dev->priv_flags |= IFF_OVS_DATAPATH;

	return vport;

error_put:
	dev_put(netdev_vport->dev);
error_free_vport:
	ovs_vport_free(vport);
error:
	return ERR_PTR(err);
}
开发者ID:vonzhou，项目名称:ovs1.9.0-note，代码行数:55，代码来源:vport-netdev.c

示例14: free_port_rcu

static void free_port_rcu(struct rcu_head *rcu)
{
	struct netdev_vport *netdev_vport = container_of(rcu,
					struct netdev_vport, rcu);

#ifdef HAVE_RHEL_OVS_HOOK
	rcu_assign_pointer(netdev_vport->dev->ax25_ptr, NULL);

	if (atomic_dec_and_test(&nr_bridges))
		rcu_assign_pointer(openvswitch_handle_frame_hook, NULL);
#endif
	dev_put(netdev_vport->dev);
	ovs_vport_free(vport_from_priv(netdev_vport));
}
开发者ID:cardinal27513，项目名称:ovs-vxlan，代码行数:14，代码来源:vport-netdev.c

示例15: ovs_dp_get_net

static struct vport *patch_create(const struct vport_parms *parms)
{
	struct vport *vport;
	struct patch_vport *patch_vport;
	const char *peer_name;
	struct patch_config *patchconf;
	struct net *net = ovs_dp_get_net(parms->dp);
	int err;

	vport = ovs_vport_alloc(sizeof(struct patch_vport),
				&ovs_patch_vport_ops, parms);
	if (IS_ERR(vport)) {
		err = PTR_ERR(vport);
		goto error;
	}

	patch_vport = patch_vport_priv(vport);

	strcpy(patch_vport->name, parms->name);

	patchconf = kmalloc(sizeof(struct patch_config), GFP_KERNEL);
	if (!patchconf) {
		err = -ENOMEM;
		goto error_free_vport;
	}

	err = patch_set_config(vport, parms->options, patchconf);
	if (err)
		goto error_free_patchconf;

	random_ether_addr(patchconf->eth_addr);

	rcu_assign_pointer(patch_vport->patchconf, patchconf);

	peer_name = patchconf->peer_name;
	hlist_add_head(&patch_vport->hash_node, hash_bucket(net, peer_name));
	rcu_assign_pointer(patch_vport->peer, ovs_vport_locate(net, peer_name));
	update_peers(net, patch_vport->name, vport);

	return vport;

error_free_patchconf:
	kfree(patchconf);
error_free_vport:
	ovs_vport_free(vport);
error:
	return ERR_PTR(err);
}
开发者ID:AlickHill，项目名称:Lantern，代码行数:48，代码来源:vport-patch.c


注：本文中的ovs_vport_free函数示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。