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/* mlag generic code.
* Copyright (C) 2018 Cumulus Networks, Inc.
* Donald Sharp
*
* This file is part of FRR.
*
* FRR is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2, or (at your option) any
* later version.
*
* FRR is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with FRR; see the file COPYING. If not, write to the Free
* Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
* 02111-1307, USA.
*/
#include <zebra.h>
#include <mlag.h>
char *mlag_role2str(enum mlag_role role, char *buf, size_t size)
{
switch (role) {
case MLAG_ROLE_NONE:
snprintf(buf, size, "NONE");
break;
case MLAG_ROLE_PRIMARY:
snprintf(buf, size, "PRIMARY");
break;
case MLAG_ROLE_SECONDARY:
snprintf(buf, size, "SECONDARY");
break;
}
return buf;
}
char *mlag_lib_msgid_to_str(enum mlag_msg_type msg_type, char *buf, size_t size)
{
switch (msg_type) {
case MLAG_REGISTER:
snprintf(buf, size, "Register");
break;
case MLAG_DEREGISTER:
snprintf(buf, size, "De-Register");
break;
case MLAG_MROUTE_ADD:
snprintf(buf, size, "Mroute add");
break;
case MLAG_MROUTE_DEL:
snprintf(buf, size, "Mroute del");
break;
case MLAG_DUMP:
snprintf(buf, size, "Mlag Replay");
break;
case MLAG_MROUTE_ADD_BULK:
snprintf(buf, size, "Mroute Add Batch");
break;
case MLAG_MROUTE_DEL_BULK:
snprintf(buf, size, "Mroute Del Batch");
break;
case MLAG_STATUS_UPDATE:
snprintf(buf, size, "Mlag Status");
break;
case MLAG_VXLAN_UPDATE:
snprintf(buf, size, "Mlag vxlan update");
break;
case MLAG_PEER_FRR_STATUS:
snprintf(buf, size, "Mlag Peer FRR Status");
break;
default:
snprintf(buf, size, "Unknown %d", msg_type);
break;
}
return buf;
}
int mlag_lib_decode_mlag_hdr(struct stream *s, struct mlag_msg *msg,
size_t *length)
{
#define LIB_MLAG_HDR_LENGTH 8
if (s == NULL || msg == NULL)
return -1;
*length = stream_get_endp(s);
if (*length < LIB_MLAG_HDR_LENGTH)
return -1;
*length -= LIB_MLAG_HDR_LENGTH;
STREAM_GETL(s, msg->msg_type);
STREAM_GETW(s, msg->data_len);
STREAM_GETW(s, msg->msg_cnt);
return 0;
stream_failure:
return -1;
}
#define MLAG_MROUTE_ADD_LENGTH \
(VRF_NAMSIZ + INTERFACE_NAMSIZ + 4 + 4 + 4 + 4 + 1 + 1 + 4)
int mlag_lib_decode_mroute_add(struct stream *s, struct mlag_mroute_add *msg,
size_t *length)
{
if (s == NULL || msg == NULL || *length < MLAG_MROUTE_ADD_LENGTH)
return -1;
STREAM_GET(msg->vrf_name, s, VRF_NAMSIZ);
STREAM_GETL(s, msg->source_ip);
STREAM_GETL(s, msg->group_ip);
STREAM_GETL(s, msg->cost_to_rp);
STREAM_GETL(s, msg->owner_id);
STREAM_GETC(s, msg->am_i_dr);
STREAM_GETC(s, msg->am_i_dual_active);
STREAM_GETL(s, msg->vrf_id);
STREAM_GET(msg->intf_name, s, INTERFACE_NAMSIZ);
return 0;
stream_failure:
return -1;
}
#define MLAG_MROUTE_DEL_LENGTH (VRF_NAMSIZ + INTERFACE_NAMSIZ + 4 + 4 + 4 + 4)
int mlag_lib_decode_mroute_del(struct stream *s, struct mlag_mroute_del *msg,
size_t *length)
{
if (s == NULL || msg == NULL || *length < MLAG_MROUTE_DEL_LENGTH)
return -1;
STREAM_GET(msg->vrf_name, s, VRF_NAMSIZ);
STREAM_GETL(s, msg->source_ip);
STREAM_GETL(s, msg->group_ip);
STREAM_GETL(s, msg->owner_id);
STREAM_GETL(s, msg->vrf_id);
STREAM_GET(msg->intf_name, s, INTERFACE_NAMSIZ);
return 0;
stream_failure:
return -1;
}
int mlag_lib_decode_mlag_status(struct stream *s, struct mlag_status *msg)
{
if (s == NULL || msg == NULL)
return -1;
STREAM_GET(msg->peerlink_rif, s, INTERFACE_NAMSIZ);
STREAM_GETL(s, msg->my_role);
STREAM_GETL(s, msg->peer_state);
return 0;
stream_failure:
return -1;
}
int mlag_lib_decode_vxlan_update(struct stream *s, struct mlag_vxlan *msg)
{
if (s == NULL || msg == NULL)
return -1;
STREAM_GETL(s, msg->anycast_ip);
STREAM_GETL(s, msg->local_ip);
return 0;
stream_failure:
return -1;
}
int mlag_lib_decode_frr_status(struct stream *s, struct mlag_frr_status *msg)
{
if (s == NULL || msg == NULL)
return -1;
STREAM_GETL(s, msg->frr_state);
return 0;
stream_failure:
return -1;
}
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