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https://github.com/openvswitch/ovs
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Recent kernels provide the network namespace ID of a port, so use that to discover where the port currently is. A network device in another network namespace could have the same name, so once the socket starts listening to other network namespaces, it is necessary to confirm the netnsid. Signed-off-by: Flavio Leitner <fbl@redhat.com> Signed-off-by: Ben Pfaff <blp@ovn.org>
65 lines
2.1 KiB
C
65 lines
2.1 KiB
C
/*
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* Copyright (c) 2010, 2011, 2014 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 DPIF_NETLINK_H
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#define DPIF_NETLINK_H 1
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#include <stdbool.h>
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#include <stddef.h>
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#include <stdint.h>
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#include "odp-netlink.h"
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#include "flow.h"
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struct ofpbuf;
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struct dpif_netlink_vport {
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/* Generic Netlink header. */
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uint8_t cmd;
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/* ovs_vport header. */
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int dp_ifindex;
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int netnsid; /* Network Namespace ID. */
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odp_port_t port_no; /* ODPP_NONE if unknown. */
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enum ovs_vport_type type;
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/* Attributes.
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*
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* The 'stats' member points to 64-bit data that might only be aligned on
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* 32-bit boundaries, so use get_unaligned_u64() to access its values.
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*/
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const char *name; /* OVS_VPORT_ATTR_NAME. */
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uint32_t n_upcall_pids;
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const uint32_t *upcall_pids; /* OVS_VPORT_ATTR_UPCALL_PID. */
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const struct ovs_vport_stats *stats; /* OVS_VPORT_ATTR_STATS. */
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const struct nlattr *options; /* OVS_VPORT_ATTR_OPTIONS. */
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size_t options_len;
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};
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void dpif_netlink_vport_init(struct dpif_netlink_vport *);
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int dpif_netlink_vport_transact(const struct dpif_netlink_vport *request,
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struct dpif_netlink_vport *reply,
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struct ofpbuf **bufp);
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int dpif_netlink_vport_get(const char *name, struct dpif_netlink_vport *reply,
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struct ofpbuf **bufp);
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bool dpif_netlink_is_internal_device(const char *name);
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enum ovs_vport_type netdev_to_ovs_vport_type(const char *type);
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#endif /* dpif-netlink.h */
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