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161b6042d8
When threading comes into the picture there arises the possibility of a race between netdev_vport_patch_peer()'s caller using the returned string and another caller changing the peer. It is safer to return a copy. Signed-off-by: Ben Pfaff <blp@nicira.com>
49 lines
1.5 KiB
C
49 lines
1.5 KiB
C
/*
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* Copyright (c) 2010, 2011, 2013 Nicira, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef NETDEV_VPORT_H
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#define NETDEV_VPORT_H 1
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#include <stdbool.h>
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#include <stddef.h>
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struct dpif_linux_vport;
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struct dpif_flow_stats;
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struct netdev;
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struct netdev_class;
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struct netdev_stats;
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void netdev_vport_tunnel_register(void);
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void netdev_vport_patch_register(void);
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bool netdev_vport_is_patch(const struct netdev *);
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char *netdev_vport_patch_peer(const struct netdev *netdev);
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void netdev_vport_inc_rx(const struct netdev *,
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const struct dpif_flow_stats *);
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void netdev_vport_inc_tx(const struct netdev *,
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const struct dpif_flow_stats *);
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const char *netdev_vport_class_get_dpif_port(const struct netdev_class *);
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enum { NETDEV_VPORT_NAME_BUFSIZE = 16 };
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const char *netdev_vport_get_dpif_port(const struct netdev *,
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char namebuf[], size_t bufsize);
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char *netdev_vport_get_dpif_port_strdup(const struct netdev *);
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#endif /* netdev-vport.h */
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