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2d4e4d39b7
as remind, the netns identifiers are local to a namespace. that is to say that for instance, a vrf <vrfx> will have a netns id value in one netns, and have an other netns id value in one other netns. There is a need for zebra daemon to collect some cross information, like the LINK_NETNSID information from interfaces having link layer in an other network namespace. For that, it is needed to have a global overview instead of a relative overview per namespace. The first brick of this change is an API that sticks to netlink API, that uses NETNSA_TARGET_NSID. from a given vrf vrfX, and a new vrf created vrfY, the API returns the value of nsID from vrfX, inside the new vrf vrfY. The brick also gets the ns id value of default namespace in each other namespace. An additional value in ns.h is offered, that permits to retrieve the default namespace context. Signed-off-by: Philippe Guibert <philippe.guibert@6wind.com>
37 lines
1.2 KiB
C
37 lines
1.2 KiB
C
/* zebra NETNS ID handling routines
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* Copyright (C) 2018 6WIND
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the Free
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* Software Foundation; either version 2 of the License, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; see the file COPYING; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#if !defined(__ZEBRA_NS_ID_H__)
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#define __ZEBRA_NS_ID_H__
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#include "zebra.h"
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#include "ns.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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extern ns_id_t zebra_ns_id_get(const char *netnspath);
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extern ns_id_t zebra_ns_id_get_default(void);
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extern ns_id_t zebra_ns_id_get_relative_value(ns_id_t ns_read,
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ns_id_t target_nsid);
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#ifdef __cplusplus
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}
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#endif
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#endif /* __ZEBRA_NS_ID_H__ */
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