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BFD: show bfd sessions all

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This commit is contained in:
Katerina Kubecova 2024-01-16 11:02:22 +01:00 committed by Ondrej Zajicek
parent e2728c8078
commit 37bf207843
3 changed files with 71 additions and 12 deletions
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76
proto/bfd/bfd.c
View File

@ -117,6 +117,7 @@ static list STATIC_LIST_INIT(bfd_proto_list);
static list STATIC_LIST_INIT(bfd_wait_list);
const char *bfd_state_names[] = { "AdminDown", "Down", "Init", "Up" };
const char *bfd_diag_names[] = { "Nothing", "Timeout", "Echo failed", "Neighbor down", "Fwd reset", "Path down", "C path down", "Admin down", "RC path down" };
static void bfd_session_set_min_tx(struct bfd_session *s, u32 val);
static struct bfd_iface *bfd_get_iface(struct bfd_proto *p, ip_addr local, struct iface *iface);
@ -1143,8 +1144,55 @@ bfd_copy_config(struct proto_config *dest, struct proto_config *src UNUSED)
init_list(&d->neigh_list);
}
void bfd_show_details(struct bfd_session *s)
{
cli_msg(-1020, " IP address: %I", s->addr);
cli_msg(-1020, " Interface: %s", (s->ifa && s->ifa->iface) ? s->ifa->iface->name : "---");
cli_msg(-1020, " Role: %s", (s->passive) ? "Passive" : "Active");
cli_msg(-1020, " Local session:");
cli_msg(-1020, " State: %s", bfd_state_names[s->loc_state]);
cli_msg(-1020, " Session ID: %u", s->loc_id);
if (s->loc_diag || s->rem_diag)
cli_msg(-1020, " Issue: %s", bfd_diag_names[s->loc_diag]);
cli_msg(-1020, " Remote session:");
cli_msg(-1020, " State: %s", bfd_state_names[s->rem_state]);
cli_msg(-1020, " Session ID: %u", s->loc_id, s->rem_id);
if (s->loc_diag || s->rem_diag)
cli_msg(-1020, " Issue: %s", bfd_diag_names[s->rem_diag]);
cli_msg(-1020, " Session mode: %s", (s->rem_demand_mode) ? "Demand" : "Asynchronous");
if (!s->rem_demand_mode)
{
cli_msg(-1020, " Local intervals:");
cli_msg(-1020, " Desired min tx: %t", s->des_min_tx_int);
cli_msg(-1020, " Required min rx: %t", s->req_min_rx_int);
cli_msg(-1020, " Remote intervals:");
cli_msg(-1020, " Desired min tx: %t", s->rem_min_tx_int);
cli_msg(-1020, " Required min rx: %t", s->rem_min_rx_int);
cli_msg(-1020, " Timers:");
cli_msg(-1020, " Hold timer remains %t/%t", tm_remains(s->hold_timer), MAX(s->req_min_rx_int, s->rem_min_tx_int) * s->rem_detect_mult); // The total time is just copied from timers setings. I hope it is not (and will not) be problem.
cli_msg(-1020, " TX timer remains %t", tm_remains(s->tx_timer));
}
else if (tm_remains(s->hold_timer) > 0)
{
cli_msg(-1020, " Hold timer remains %t", tm_remains(s->hold_timer));
}
cli_msg(-1020, " Latest actions:");
cli_msg(-1020, " Last received valid control packet before %t", current_time() - s->last_rx);
cli_msg(-1020, " Last sent periodic control packet before %t", current_time() - s->last_tx);
btime tim = (btime)(((u64) s->tx_csn_time) << 20);
if (tim > 0)
cli_msg(-1020, " Last csn change before %t", current_time() - tim);
if (s->poll_active || s->poll_scheduled)
cli_msg(-1020, " Poll %s%s", (s->poll_active) ? ", poll active" : "", (s->poll_scheduled) ? ", poll scheduled" : "");
else
cli_msg(-1020, " Poll inactive");
cli_msg(-1020, "");
}
void
bfd_show_sessions(struct proto *P)
bfd_show_sessions(struct proto *P, int details)
{
byte tbuf[TM_DATETIME_BUFFER_SIZE];
struct bfd_proto *p = (struct bfd_proto *) P;
@ -1159,24 +1207,32 @@ bfd_show_sessions(struct proto *P)
}
cli_msg(-1020, "%s:", p->p.name);
cli_msg(-1020, "%-25s %-10s %-10s %-12s %8s %8s",
if (!details)
cli_msg(-1020, "%-25s %-10s %-10s %-12s %8s %8s",
"IP address", "Interface", "State", "Since", "Interval", "Timeout");
HASH_WALK(p->session_hash_id, next_id, s)
{
/* FIXME: this is thread-unsafe, but perhaps harmless */
state = s->loc_state;
diag = s->loc_diag;
ifname = (s->ifa && s->ifa->iface) ? s->ifa->iface->name : "---";
tx_int = s->last_tx ? MAX(s->des_min_tx_int, s->rem_min_rx_int) : 0;
timeout = (btime) MAX(s->req_min_rx_int, s->rem_min_tx_int) * s->rem_detect_mult;
if (!details)
{
state = s->loc_state;
diag = s->loc_diag;
ifname = (s->ifa && s->ifa->iface) ? s->ifa->iface->name : "---";
tx_int = s->last_tx ? MAX(s->des_min_tx_int, s->rem_min_rx_int) : 0;
timeout = (btime) MAX(s->req_min_rx_int, s->rem_min_tx_int) * s->rem_detect_mult;
state = (state < 4) ? state : 0;
tm_format_time(tbuf, &config->tf_proto, s->last_state_change);
state = (state < 4) ? state : 0;
tm_format_time(tbuf, &config->tf_proto, s->last_state_change);
cli_msg(-1020, "%-25I %-10s %-10s %-12s %7t %7t",
cli_msg(-1020, "%-25I %-10s %-10s %-12s %7t %7t",
s->addr, ifname, bfd_state_names[state], tbuf, tx_int, timeout);
}
else
{
bfd_show_details(s);
}
}
HASH_WALK_END;
}

2
proto/bfd/bfd.h
View File

@ -218,7 +218,7 @@ static inline void bfd_unlock_sessions(struct bfd_proto *p) { pthread_spin_unloc
struct bfd_session * bfd_find_session_by_id(struct bfd_proto *p, u32 id);
struct bfd_session * bfd_find_session_by_addr(struct bfd_proto *p, ip_addr addr, uint ifindex);
void bfd_session_process_ctl(struct bfd_session *s, u8 flags, u32 old_tx_int, u32 old_rx_int);
void bfd_show_sessions(struct proto *P);
void bfd_show_sessions(struct proto *P, int details);
/* packets.c */
void bfd_send_ctl(struct bfd_proto *p, struct bfd_session *s, int final);

5
proto/bfd/config.Y
View File

@ -184,7 +184,10 @@ bfd_neighbor: ipa bfd_neigh_iface bfd_neigh_local bfd_neigh_multihop
CF_CLI_HELP(SHOW BFD, ..., [[Show information about BFD protocol]]);
CF_CLI(SHOW BFD SESSIONS, optproto, [<name>], [[Show information about BFD sessions]])
{ PROTO_WALK_CMD($4, &proto_bfd, p) bfd_show_sessions(p); };
{ PROTO_WALK_CMD($4, &proto_bfd, p) bfd_show_sessions(p, 0); };
CF_CLI(SHOW BFD SESSIONS ALL, optproto, [<name>], [[Show information about BFD sessions]])
{ PROTO_WALK_CMD($5, &proto_bfd, p) bfd_show_sessions(p, 1); };
CF_CODE