projects / mirror_frr.git / blame
| Commit | Line | Data |
|---|---|---|
| acddc0ed | 1 | // SPDX-License-Identifier: GPL-2.0-or-later |
| c43ed2e4 DS |
2 | /** |
| 3 | * @copyright Copyright (C) 2015 Cumulus Networks, Inc. | |
| c43ed2e4 DS |
4 | */ |
| 5 | ||
| 6 | #include <zebra.h> | |
| 7 | #include "prefix.h" | |
| 8 | #include "vty.h" | |
| 9 | #include "stream.h" | |
| 161e9ab7 | 10 | #include "zebra/zebra_router.h" |
| bf094f69 | 11 | #include "zebra/zapi_msg.h" |
| 4943f243 | 12 | #include "zebra/zebra_ptm.h" |
| 88177fe3 | 13 | #include "zebra/zebra_ptm_redistribute.h" |
| c43ed2e4 | 14 | |
| d62a17ae | 15 | static int zsend_interface_bfd_update(int cmd, struct zserv *client, |
| 16 | struct interface *ifp, struct prefix *dp, | |
| 17 | struct prefix *sp, int status, | |
| 18 | vrf_id_t vrf_id) | |
| c43ed2e4 | 19 | { |
| d62a17ae | 20 | int blen; |
| 21 | struct stream *s; | |
| 22 | ||
| 1002497a | 23 | s = stream_new(ZEBRA_MAX_PACKET_SIZ); |
| d62a17ae | 24 | |
| 7cf15b25 | 25 | zclient_create_header(s, cmd, vrf_id); |
| d62a17ae | 26 | if (ifp) |
| 27 | stream_putl(s, ifp->ifindex); | |
| 28 | else | |
| 29 | stream_putl(s, 0); | |
| 30 | ||
| 31 | /* BFD destination prefix information. */ | |
| 32 | stream_putc(s, dp->family); | |
| 33 | blen = prefix_blen(dp); | |
| 34 | stream_put(s, &dp->u.prefix, blen); | |
| 35 | stream_putc(s, dp->prefixlen); | |
| 36 | ||
| 37 | /* BFD status */ | |
| 38 | stream_putl(s, status); | |
| 39 | ||
| 40 | /* BFD source prefix information. */ | |
| 41 | stream_putc(s, sp->family); | |
| 42 | blen = prefix_blen(sp); | |
| 43 | stream_put(s, &sp->u.prefix, blen); | |
| 44 | stream_putc(s, sp->prefixlen); | |
| 45 | ||
| 72c54143 DS |
46 | /* c-bit bullshit */ |
| 47 | stream_putc(s, 0); | |
| 48 | ||
| d62a17ae | 49 | /* Write packet size. */ |
| 50 | stream_putw_at(s, 0, stream_get_endp(s)); | |
| 51 | ||
| 52 | client->if_bfd_cnt++; | |
| 21ccc0cf | 53 | return zserv_send_message(client, s); |
| c43ed2e4 DS |
54 | } |
| 55 | ||
| d62a17ae | 56 | void zebra_interface_bfd_update(struct interface *ifp, struct prefix *dp, |
| 57 | struct prefix *sp, int status, vrf_id_t vrf_id) | |
| c43ed2e4 | 58 | { |
| d62a17ae | 59 | struct listnode *node, *nnode; |
| 60 | struct zserv *client; | |
| 61 | ||
| 161e9ab7 | 62 | for (ALL_LIST_ELEMENTS(zrouter.client_list, node, nnode, client)) { |
| 4943f243 | 63 | if (!IS_BFD_ENABLED_PROTOCOL(client->proto)) |
| d62a17ae | 64 | continue; |
| 65 | ||
| 66 | /* Notify to the protocol daemons. */ | |
| 67 | zsend_interface_bfd_update(ZEBRA_INTERFACE_BFD_DEST_UPDATE, | |
| 68 | client, ifp, dp, sp, status, vrf_id); | |
| 69 | } | |
| c43ed2e4 DS |
70 | } |
| 71 | ||
| d62a17ae | 72 | static int zsend_bfd_peer_replay(int cmd, struct zserv *client) |
| c43ed2e4 | 73 | { |
| d62a17ae | 74 | struct stream *s; |
| c43ed2e4 | 75 | |
| 1002497a | 76 | s = stream_new(ZEBRA_MAX_PACKET_SIZ); |
| c43ed2e4 | 77 | |
| 7cf15b25 | 78 | zclient_create_header(s, cmd, VRF_DEFAULT); |
| c43ed2e4 | 79 | |
| d62a17ae | 80 | /* Write packet size. */ |
| 81 | stream_putw_at(s, 0, stream_get_endp(s)); | |
| c43ed2e4 | 82 | |
| d62a17ae | 83 | client->bfd_peer_replay_cnt++; |
| 21ccc0cf | 84 | return zserv_send_message(client, s); |
| c43ed2e4 DS |
85 | } |
| 86 | ||
| d62a17ae | 87 | void zebra_bfd_peer_replay_req(void) |
| c43ed2e4 | 88 | { |
| d62a17ae | 89 | struct listnode *node, *nnode; |
| 90 | struct zserv *client; | |
| 91 | ||
| 161e9ab7 | 92 | for (ALL_LIST_ELEMENTS(zrouter.client_list, node, nnode, client)) { |
| 4943f243 | 93 | if (!IS_BFD_ENABLED_PROTOCOL(client->proto)) |
| d62a17ae | 94 | continue; |
| 95 | ||
| 96 | /* Notify to the protocol daemons. */ | |
| 97 | zsend_bfd_peer_replay(ZEBRA_BFD_DEST_REPLAY, client); | |
| 98 | } | |
| c43ed2e4 | 99 | } |