summaryrefslogtreecommitdiffstats
path: root/bfdd/bfdd_nb_state.c
diff options
context:
space:
mode:
Diffstat (limited to 'bfdd/bfdd_nb_state.c')
-rw-r--r--bfdd/bfdd_nb_state.c374
1 files changed, 374 insertions, 0 deletions
diff --git a/bfdd/bfdd_nb_state.c b/bfdd/bfdd_nb_state.c
new file mode 100644
index 0000000..de0dceb
--- /dev/null
+++ b/bfdd/bfdd_nb_state.c
@@ -0,0 +1,374 @@
+/*
+ * BFD daemon northbound implementation.
+ *
+ * Copyright (C) 2019 Network Device Education Foundation, Inc. ("NetDEF")
+ * Rafael Zalamena
+ *
+ * This program 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 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301 USA.
+ */
+
+#include <zebra.h>
+
+#include "lib/log.h"
+#include "lib/northbound.h"
+
+#include "bfd.h"
+#include "bfdd_nb.h"
+
+/*
+ * XPath: /frr-bfdd:bfdd/bfd/sessions/single-hop
+ */
+const void *
+bfdd_bfd_sessions_single_hop_get_next(struct nb_cb_get_next_args *args)
+{
+ return bfd_session_next(args->list_entry, false);
+}
+
+int bfdd_bfd_sessions_single_hop_get_keys(struct nb_cb_get_keys_args *args)
+{
+ const struct bfd_session *bs = args->list_entry;
+ char dstbuf[INET6_ADDRSTRLEN];
+
+ inet_ntop(bs->key.family, &bs->key.peer, dstbuf, sizeof(dstbuf));
+
+ args->keys->num = 3;
+ strlcpy(args->keys->key[0], dstbuf, sizeof(args->keys->key[0]));
+ strlcpy(args->keys->key[1], bs->key.ifname, sizeof(args->keys->key[1]));
+ strlcpy(args->keys->key[2], bs->key.vrfname,
+ sizeof(args->keys->key[2]));
+
+ return NB_OK;
+}
+
+const void *
+bfdd_bfd_sessions_single_hop_lookup_entry(struct nb_cb_lookup_entry_args *args)
+{
+ const char *dest_addr = args->keys->key[0];
+ const char *ifname = args->keys->key[1];
+ const char *vrf = args->keys->key[2];
+ struct sockaddr_any psa, lsa;
+ struct bfd_key bk;
+
+ strtosa(dest_addr, &psa);
+ memset(&lsa, 0, sizeof(lsa));
+ gen_bfd_key(&bk, &psa, &lsa, false, ifname, vrf);
+
+ return bfd_key_lookup(bk);
+}
+
+/*
+ * XPath: /frr-bfdd:bfdd/bfd/sessions/single-hop/stats/local-discriminator
+ */
+struct yang_data *
+bfdd_bfd_sessions_single_hop_stats_local_discriminator_get_elem(
+ struct nb_cb_get_elem_args *args)
+{
+ const struct bfd_session *bs = args->list_entry;
+
+ return yang_data_new_uint32(args->xpath, bs->discrs.my_discr);
+}
+
+/*
+ * XPath: /frr-bfdd:bfdd/bfd/sessions/single-hop/stats/local-state
+ */
+struct yang_data *bfdd_bfd_sessions_single_hop_stats_local_state_get_elem(
+ struct nb_cb_get_elem_args *args)
+{
+ const struct bfd_session *bs = args->list_entry;
+
+ return yang_data_new_enum(args->xpath, bs->ses_state);
+}
+
+/*
+ * XPath: /frr-bfdd:bfdd/bfd/sessions/single-hop/stats/local-diagnostic
+ */
+struct yang_data *bfdd_bfd_sessions_single_hop_stats_local_diagnostic_get_elem(
+ struct nb_cb_get_elem_args *args)
+{
+ const struct bfd_session *bs = args->list_entry;
+
+ return yang_data_new_enum(args->xpath, bs->local_diag);
+}
+
+/*
+ * XPath: /frr-bfdd:bfdd/bfd/sessions/single-hop/stats/local-multiplier
+ */
+struct yang_data *bfdd_bfd_sessions_single_hop_stats_local_multiplier_get_elem(
+ struct nb_cb_get_elem_args *args)
+{
+ const struct bfd_session *bs = args->list_entry;
+
+ return yang_data_new_int8(args->xpath, bs->detect_mult);
+}
+
+/*
+ * XPath: /frr-bfdd:bfdd/bfd/sessions/single-hop/stats/remote-discriminator
+ */
+struct yang_data *
+bfdd_bfd_sessions_single_hop_stats_remote_discriminator_get_elem(
+ struct nb_cb_get_elem_args *args)
+{
+ const struct bfd_session *bs = args->list_entry;
+
+ if (bs->discrs.remote_discr == 0)
+ return NULL;
+
+ return yang_data_new_uint32(args->xpath, bs->discrs.remote_discr);
+}
+
+/*
+ * XPath: /frr-bfdd:bfdd/bfd/sessions/single-hop/stats/remote-state
+ */
+struct yang_data *bfdd_bfd_sessions_single_hop_stats_remote_state_get_elem(
+ struct nb_cb_get_elem_args *args)
+{
+ const struct bfd_session *bs = args->list_entry;
+
+ return yang_data_new_enum(args->xpath, bs->ses_state);
+}
+
+/*
+ * XPath: /frr-bfdd:bfdd/bfd/sessions/single-hop/stats/remote-diagnostic
+ */
+struct yang_data *bfdd_bfd_sessions_single_hop_stats_remote_diagnostic_get_elem(
+ struct nb_cb_get_elem_args *args)
+{
+ const struct bfd_session *bs = args->list_entry;
+
+ return yang_data_new_enum(args->xpath, bs->remote_diag);
+}
+
+/*
+ * XPath: /frr-bfdd:bfdd/bfd/sessions/single-hop/stats/remote-multiplier
+ */
+struct yang_data *bfdd_bfd_sessions_single_hop_stats_remote_multiplier_get_elem(
+ struct nb_cb_get_elem_args *args)
+{
+ const struct bfd_session *bs = args->list_entry;
+
+ return yang_data_new_int8(args->xpath, bs->remote_detect_mult);
+}
+
+/*
+ * XPath:
+ * /frr-bfdd:bfdd/bfd/sessions/single-hop/stats/negotiated-transmission-interval
+ */
+struct yang_data *
+bfdd_bfd_sessions_single_hop_stats_negotiated_transmission_interval_get_elem(
+ struct nb_cb_get_elem_args *args)
+{
+ const struct bfd_session *bs = args->list_entry;
+
+ return yang_data_new_uint32(args->xpath,
+ bs->remote_timers.desired_min_tx);
+}
+
+/*
+ * XPath:
+ * /frr-bfdd:bfdd/bfd/sessions/single-hop/stats/negotiated-receive-interval
+ */
+struct yang_data *
+bfdd_bfd_sessions_single_hop_stats_negotiated_receive_interval_get_elem(
+ struct nb_cb_get_elem_args *args)
+{
+ const struct bfd_session *bs = args->list_entry;
+
+ return yang_data_new_uint32(args->xpath,
+ bs->remote_timers.required_min_rx);
+}
+
+/*
+ * XPath: /frr-bfdd:bfdd/bfd/sessions/single-hop/stats/detection-mode
+ */
+struct yang_data *bfdd_bfd_sessions_single_hop_stats_detection_mode_get_elem(
+ struct nb_cb_get_elem_args *args)
+{
+ const struct bfd_session *bs = args->list_entry;
+ int detection_mode;
+
+ /*
+ * Detection mode:
+ * 1. Async with echo
+ * 2. Async without echo
+ * 3. Demand with echo
+ * 4. Demand without echo
+ *
+ * TODO: support demand mode.
+ */
+ if (CHECK_FLAG(bs->flags, BFD_SESS_FLAG_ECHO))
+ detection_mode = 1;
+ else
+ detection_mode = 2;
+
+ return yang_data_new_enum(args->xpath, detection_mode);
+}
+
+/*
+ * XPath: /frr-bfdd:bfdd/bfd/sessions/single-hop/stats/last-down-time
+ */
+struct yang_data *bfdd_bfd_sessions_single_hop_stats_last_down_time_get_elem(
+ struct nb_cb_get_elem_args *args)
+{
+ /*
+ * TODO: implement me.
+ *
+ * No yang support for time elements yet.
+ */
+ return NULL;
+}
+
+/*
+ * XPath: /frr-bfdd:bfdd/bfd/sessions/single-hop/stats/last-up-time
+ */
+struct yang_data *bfdd_bfd_sessions_single_hop_stats_last_up_time_get_elem(
+ struct nb_cb_get_elem_args *args)
+{
+ /*
+ * TODO: implement me.
+ *
+ * No yang support for time elements yet.
+ */
+ return NULL;
+}
+
+/*
+ * XPath: /frr-bfdd:bfdd/bfd/sessions/single-hop/stats/session-down-count
+ */
+struct yang_data *
+bfdd_bfd_sessions_single_hop_stats_session_down_count_get_elem(
+ struct nb_cb_get_elem_args *args)
+{
+ const struct bfd_session *bs = args->list_entry;
+
+ return yang_data_new_uint64(args->xpath, bs->stats.session_down);
+}
+
+/*
+ * XPath: /frr-bfdd:bfdd/bfd/sessions/single-hop/stats/session-up-count
+ */
+struct yang_data *bfdd_bfd_sessions_single_hop_stats_session_up_count_get_elem(
+ struct nb_cb_get_elem_args *args)
+{
+ const struct bfd_session *bs = args->list_entry;
+
+ return yang_data_new_uint64(args->xpath, bs->stats.session_up);
+}
+
+/*
+ * XPath:
+ * /frr-bfdd:bfdd/bfd/sessions/single-hop/stats/control-packet-input-count
+ */
+struct yang_data *
+bfdd_bfd_sessions_single_hop_stats_control_packet_input_count_get_elem(
+ struct nb_cb_get_elem_args *args)
+{
+ const struct bfd_session *bs = args->list_entry;
+
+ return yang_data_new_uint64(args->xpath, bs->stats.rx_ctrl_pkt);
+}
+
+/*
+ * XPath:
+ * /frr-bfdd:bfdd/bfd/sessions/single-hop/stats/control-packet-output-count
+ */
+struct yang_data *
+bfdd_bfd_sessions_single_hop_stats_control_packet_output_count_get_elem(
+ struct nb_cb_get_elem_args *args)
+{
+ const struct bfd_session *bs = args->list_entry;
+
+ return yang_data_new_uint64(args->xpath, bs->stats.tx_ctrl_pkt);
+}
+
+/*
+ * XPath:
+ * /frr-bfdd:bfdd/bfd/sessions/single-hop/stats/negotiated-echo-transmission-interval
+ */
+struct yang_data *
+bfdd_bfd_sessions_single_hop_stats_negotiated_echo_transmission_interval_get_elem(
+ struct nb_cb_get_elem_args *args)
+{
+ const struct bfd_session *bs = args->list_entry;
+
+ return yang_data_new_uint32(args->xpath,
+ bs->remote_timers.required_min_echo);
+}
+
+/*
+ * XPath: /frr-bfdd:bfdd/bfd/sessions/single-hop/stats/echo-packet-input-count
+ */
+struct yang_data *
+bfdd_bfd_sessions_single_hop_stats_echo_packet_input_count_get_elem(
+ struct nb_cb_get_elem_args *args)
+{
+ const struct bfd_session *bs = args->list_entry;
+
+ return yang_data_new_uint64(args->xpath, bs->stats.rx_echo_pkt);
+}
+
+/*
+ * XPath: /frr-bfdd:bfdd/bfd/sessions/single-hop/stats/echo-packet-output-count
+ */
+struct yang_data *
+bfdd_bfd_sessions_single_hop_stats_echo_packet_output_count_get_elem(
+ struct nb_cb_get_elem_args *args)
+{
+ const struct bfd_session *bs = args->list_entry;
+
+ return yang_data_new_uint64(args->xpath, bs->stats.tx_echo_pkt);
+}
+
+/*
+ * XPath: /frr-bfdd:bfdd/bfd/sessions/multi-hop
+ */
+const void *
+bfdd_bfd_sessions_multi_hop_get_next(struct nb_cb_get_next_args *args)
+{
+ return bfd_session_next(args->list_entry, true);
+}
+
+int bfdd_bfd_sessions_multi_hop_get_keys(struct nb_cb_get_keys_args *args)
+{
+ const struct bfd_session *bs = args->list_entry;
+ char dstbuf[INET6_ADDRSTRLEN], srcbuf[INET6_ADDRSTRLEN];
+
+ inet_ntop(bs->key.family, &bs->key.peer, dstbuf, sizeof(dstbuf));
+ inet_ntop(bs->key.family, &bs->key.local, srcbuf, sizeof(srcbuf));
+
+ args->keys->num = 4;
+ strlcpy(args->keys->key[0], srcbuf, sizeof(args->keys->key[0]));
+ strlcpy(args->keys->key[1], dstbuf, sizeof(args->keys->key[1]));
+ strlcpy(args->keys->key[2], bs->key.vrfname,
+ sizeof(args->keys->key[2]));
+
+ return NB_OK;
+}
+
+const void *
+bfdd_bfd_sessions_multi_hop_lookup_entry(struct nb_cb_lookup_entry_args *args)
+{
+ const char *source_addr = args->keys->key[0];
+ const char *dest_addr = args->keys->key[1];
+ const char *vrf = args->keys->key[2];
+ struct sockaddr_any psa, lsa;
+ struct bfd_key bk;
+
+ strtosa(dest_addr, &psa);
+ strtosa(source_addr, &lsa);
+ gen_bfd_key(&bk, &psa, &lsa, true, NULL, vrf);
+
+ return bfd_key_lookup(bk);
+}