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85a75f1e77
Reduce or eliminate use of global zebra_ns structs in a couple of netlink/kernel code paths, so that those paths can potentially be made asynch eventually. Signed-off-by: Mark Stapp <mjs@voltanet.io> Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>
100 lines
2.5 KiB
C
100 lines
2.5 KiB
C
/*
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* Zebra dataplane layer api interfaces.
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* Copyright (c) 2018 Volta Networks, Inc.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for 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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#ifndef _ZEBRA_DPLANE_H
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#define _ZEBRA_DPLANE_H 1
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#include "zebra.h"
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#include "zserv.h"
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#include "prefix.h"
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#include "nexthop.h"
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#include "nexthop_group.h"
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/*
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* API between the zebra dataplane system and the main zebra processing
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* context.
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*/
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/* Key netlink info from zebra ns */
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struct zebra_dplane_info {
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ns_id_t ns_id;
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#if defined(HAVE_NETLINK)
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uint32_t nl_pid;
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bool is_cmd;
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#endif
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};
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/* Utility to fill in zns info from main zns struct */
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static inline void
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zebra_dplane_info_from_zns(struct zebra_dplane_info *zns_info,
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const struct zebra_ns *zns, bool is_cmd)
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{
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zns_info->ns_id = zns->ns_id;
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#if defined(HAVE_NETLINK)
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zns_info->is_cmd = is_cmd;
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if (is_cmd) {
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zns_info->nl_pid = zns->netlink_cmd.snl.nl_pid;
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} else {
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zns_info->nl_pid = zns->netlink.snl.nl_pid;
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}
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#endif /* NETLINK */
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}
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/*
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* Enqueue a route install or update for the dataplane.
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*/
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/*
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* Enqueue a route removal for the dataplane.
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*/
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/*
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* Result codes used when returning status back to the main zebra context.
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*/
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/*
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* Philosophy Note:
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*
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* Flags being SET/UNSET do not belong in the South Bound
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* Interface. This Setting belongs at the calling level
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* because we can and will have multiple different interfaces
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* and we will have potentially multiple different
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* modules/filters to call. As such Setting/Unsetting
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* success failure should be handled by the caller.
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*/
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enum zebra_dplane_status {
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ZEBRA_DPLANE_STATUS_NONE = 0,
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ZEBRA_DPLANE_INSTALL_SUCCESS,
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ZEBRA_DPLANE_INSTALL_FAILURE,
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ZEBRA_DPLANE_DELETE_SUCCESS,
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ZEBRA_DPLANE_DELETE_FAILURE,
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};
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enum zebra_dplane_result {
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ZEBRA_DPLANE_REQUEST_QUEUED,
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ZEBRA_DPLANE_REQUEST_SUCCESS,
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ZEBRA_DPLANE_REQUEST_FAILURE,
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};
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#endif /* _ZEBRA_DPLANE_H */
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