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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 | } |