Adding upstream version 9.1.upstream/9.1

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 360 insertions, 0 deletions

diff --git a/bfdd/bfdd_nb_state.c b/bfdd/bfdd_nb_state.c
new file mode 100644
index 0000000..12acda8
--- /dev/null
+++ b/bfdd/bfdd_nb_state.c
@@ -0,0 +1,360 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * BFD daemon northbound implementation.
+ *
+ * Copyright (C) 2019 Network Device Education Foundation, Inc. ("NetDEF")
+ *                    Rafael Zalamena
+ */
+
+#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);
+}