#include <vnet/dpo/receive_dpo.h>
#include <vnet/fib/fib_entry.h>
#include <vnet/fib/fib_table.h>
+#include <vlib/stats/stats.h>
#include <vnet/bfd/bfd_debug.h>
#include <vnet/bfd/bfd_udp.h>
#include <vnet/bfd/bfd_main.h>
vlib_log_class_t log_class;
/* number of active udp4 sessions */
u32 udp4_sessions_count;
+ u32 udp4_sessions_count_stat_seg_entry;
/* number of active udp6 sessions */
u32 udp6_sessions_count;
+ u32 udp6_sessions_count_stat_seg_entry;
} bfd_udp_main_t;
static vlib_node_registration_t bfd_udp4_input_node;
bfd_udp_main_t bfd_udp_main;
+void
+bfd_udp_update_stat_segment_entry (u32 entry, u64 value)
+{
+ vlib_stats_segment_lock ();
+ vlib_stats_set_gauge (entry, value);
+ vlib_stats_segment_unlock ();
+}
+
vnet_api_error_t
bfd_udp_set_echo_source (u32 sw_if_index)
{
}
vnet_api_error_t
-bfd_udp_del_echo_source (u32 sw_if_index)
+bfd_udp_del_echo_source ()
{
bfd_udp_main.echo_source_sw_if_index = ~0;
bfd_udp_main.echo_source_is_set = 0;
}
static void
-bfd_create_frame_to_next_node (vlib_main_t * vm, u32 bi, u32 next_node)
+bfd_create_frame_to_next_node (vlib_main_t *vm, bfd_main_t *bm,
+ const bfd_session_t *bs, u32 bi, u32 next_node,
+ vlib_combined_counter_main_t *tx_counter)
{
vlib_frame_t *f = vlib_get_frame_to_node (vm, next_node);
u32 *to_next = vlib_frame_vector_args (f);
to_next[0] = bi;
f->n_vectors = 1;
vlib_put_frame_to_node (vm, next_node, f);
+ vlib_buffer_t *b = vlib_get_buffer (vm, bi);
+ vlib_increment_combined_counter (tx_counter, vm->thread_index, bs->bs_idx, 1,
+ vlib_buffer_length_in_chain (vm, b));
}
int
}
int
-bfd_transport_udp4 (vlib_main_t * vm, u32 bi, const struct bfd_session_s *bs)
+bfd_transport_udp4 (vlib_main_t *vm, u32 bi, const struct bfd_session_s *bs,
+ int is_echo)
{
u32 next_node;
int rv = bfd_udp_calc_next_node (bs, &next_node);
+ bfd_main_t *bm = bfd_udp_main.bfd_main;
if (rv)
{
- bfd_create_frame_to_next_node (vm, bi, next_node);
+ bfd_create_frame_to_next_node (vm, bm, bs, bi, next_node,
+ is_echo ? &bm->tx_echo_counter :
+ &bm->tx_counter);
}
return rv;
}
int
-bfd_transport_udp6 (vlib_main_t * vm, u32 bi, const struct bfd_session_s *bs)
+bfd_transport_udp6 (vlib_main_t *vm, u32 bi, const struct bfd_session_s *bs,
+ int is_echo)
{
u32 next_node;
int rv = bfd_udp_calc_next_node (bs, &next_node);
+ bfd_main_t *bm = bfd_udp_main.bfd_main;
if (rv)
{
- bfd_create_frame_to_next_node (vm, bi, next_node);
+ bfd_create_frame_to_next_node (
+ vm, bfd_udp_main.bfd_main, bs, bi, next_node,
+ is_echo ? &bm->tx_echo_counter : &bm->tx_counter);
}
return 1;
}
}
bfd_udp_session_t *bus = &bs->udp;
clib_memset (bus, 0, sizeof (*bus));
+ bus->adj_index = ADJ_INDEX_INVALID;
bfd_udp_key_t *key = &bus->key;
bfd_udp_key_init (key, sw_if_index, local_addr, peer_addr);
const bfd_session_t *tmp = bfd_lookup_session (bum, key);
&key->peer_addr, IP46_TYPE_ANY);
vlib_log_info (bum->log_class, "create BFD session: %U",
format_bfd_session, bs);
+ const ip46_address_t *peer =
+ (vnet_sw_interface_is_p2p (vnet_get_main (), key->sw_if_index) ?
+ &zero_addr :
+ &key->peer_addr);
if (BFD_TRANSPORT_UDP4 == t)
{
bus->adj_index = adj_nbr_add_or_lock (FIB_PROTOCOL_IP4, VNET_LINK_IP4,
- &key->peer_addr,
- key->sw_if_index);
+ peer, key->sw_if_index);
BFD_DBG ("adj_nbr_add_or_lock(FIB_PROTOCOL_IP4, VNET_LINK_IP4, %U, %d) "
- "returns %d", format_ip46_address, &key->peer_addr,
- IP46_TYPE_ANY, key->sw_if_index, bus->adj_index);
+ "returns %d",
+ format_ip46_address, peer, IP46_TYPE_ANY, key->sw_if_index,
+ bus->adj_index);
++bum->udp4_sessions_count;
+ bfd_udp_update_stat_segment_entry (
+ bum->udp4_sessions_count_stat_seg_entry, bum->udp4_sessions_count);
if (1 == bum->udp4_sessions_count)
{
udp_register_dst_port (vm, UDP_DST_PORT_bfd4,
else
{
bus->adj_index = adj_nbr_add_or_lock (FIB_PROTOCOL_IP6, VNET_LINK_IP6,
- &key->peer_addr,
- key->sw_if_index);
+ peer, key->sw_if_index);
BFD_DBG ("adj_nbr_add_or_lock(FIB_PROTOCOL_IP6, VNET_LINK_IP6, %U, %d) "
- "returns %d", format_ip46_address, &key->peer_addr,
- IP46_TYPE_ANY, key->sw_if_index, bus->adj_index);
+ "returns %d",
+ format_ip46_address, peer, IP46_TYPE_ANY, key->sw_if_index,
+ bus->adj_index);
++bum->udp6_sessions_count;
+ bfd_udp_update_stat_segment_entry (
+ bum->udp6_sessions_count_stat_seg_entry, bum->udp6_sessions_count);
if (1 == bum->udp6_sessions_count)
{
udp_register_dst_port (vm, UDP_DST_PORT_bfd6,
bfd_udp_main_t *bum = &bfd_udp_main;
vnet_sw_interface_t *sw_if =
vnet_get_sw_interface_or_null (bfd_udp_main.vnet_main, sw_if_index);
- u8 local_ip_valid = 0;
- ip_interface_address_t *ia = NULL;
if (!sw_if)
{
vlib_log_err (bum->log_class,
"IP family mismatch (local is ipv4, peer is ipv6)");
return VNET_API_ERROR_INVALID_ARGUMENT;
}
- ip4_main_t *im = &ip4_main;
-
- /* *INDENT-OFF* */
- foreach_ip_interface_address (
- &im->lookup_main, ia, sw_if_index, 0 /* honor unnumbered */, ({
- ip4_address_t *x =
- ip_interface_address_get_address (&im->lookup_main, ia);
- if (x->as_u32 == local_addr->ip4.as_u32)
- {
- /* valid address for this interface */
- local_ip_valid = 1;
- break;
- }
- }));
- /* *INDENT-ON* */
}
else
{
"IP family mismatch (local is ipv6, peer is ipv4)");
return VNET_API_ERROR_INVALID_ARGUMENT;
}
-
- if (ip6_address_is_link_local_unicast (&local_addr->ip6))
- {
- const ip6_address_t *ll_addr;
- ll_addr = ip6_get_link_local_address (sw_if_index);
- if (ll_addr && ip6_address_is_equal (ll_addr, &local_addr->ip6))
- {
- /* valid address for this interface */
- local_ip_valid = 1;
- }
- }
- else
- {
- ip6_main_t *im = &ip6_main;
- /* *INDENT-OFF* */
- foreach_ip_interface_address (
- &im->lookup_main, ia, sw_if_index, 0 /* honor unnumbered */, ({
- ip6_address_t *x =
- ip_interface_address_get_address (&im->lookup_main, ia);
- if (local_addr->ip6.as_u64[0] == x->as_u64[0] &&
- local_addr->ip6.as_u64[1] == x->as_u64[1])
- {
- /* valid address for this interface */
- local_ip_valid = 1;
- break;
- }
- }));
- /* *INDENT-ON* */
- }
- }
-
- if (!local_ip_valid)
- {
- vlib_log_err (bum->log_class,
- "local address %U not found on interface with index %u",
- format_ip46_address, local_addr, IP46_TYPE_ANY,
- sw_if_index);
- return VNET_API_ERROR_ADDRESS_NOT_FOUND_FOR_INTERFACE;
}
return 0;
{
bfd_udp_main_t *bum = &bfd_udp_main;
BFD_DBG ("free bfd-udp session, bs_idx=%d", bs->bs_idx);
+ bfd_session_stop (bum->bfd_main, bs);
mhash_unset (&bum->bfd_session_idx_by_bfd_key, &bs->udp.key, NULL);
adj_unlock (bs->udp.adj_index);
switch (bs->transport)
{
case BFD_TRANSPORT_UDP4:
--bum->udp4_sessions_count;
+ bfd_udp_update_stat_segment_entry (
+ bum->udp4_sessions_count_stat_seg_entry, bum->udp4_sessions_count);
if (!bum->udp4_sessions_count)
{
udp_unregister_dst_port (vm, UDP_DST_PORT_bfd4, 1);
break;
case BFD_TRANSPORT_UDP6:
--bum->udp6_sessions_count;
+ bfd_udp_update_stat_segment_entry (
+ bum->udp6_sessions_count_stat_seg_entry, bum->udp6_sessions_count);
if (!bum->udp6_sessions_count)
{
udp_unregister_dst_port (vm, UDP_DST_PORT_bfd6, 0);
next0 = BFD_UDP_INPUT_NEXT_NORMAL;
if (BFD_UDP_ERROR_NONE == error0)
{
+ vlib_increment_combined_counter (
+ &bm->rx_counter, vm->thread_index, bs->bs_idx, 1,
+ vlib_buffer_length_in_chain (vm, b0));
/*
* if everything went fine, check for poll bit, if present, re-use
* the buffer and based on (now updated) session parameters, send
clib_memcpy_fast (t0->data, vlib_buffer_get_current (b0), len);
}
+ bfd_session_t *bs = NULL;
bfd_lock (bm);
- if (bfd_consume_echo_pkt (vm, bfd_udp_main.bfd_main, b0))
+ if ((bs = bfd_consume_echo_pkt (vm, bfd_udp_main.bfd_main, b0)))
{
b0->error = rt->errors[BFD_UDP_ERROR_NONE];
next0 = BFD_UDP_ECHO_INPUT_NEXT_NORMAL;
}
bfd_unlock (bm);
+
+ if (bs)
+ {
+ vlib_increment_combined_counter (
+ &bm->rx_echo_counter, vm->thread_index, bs->bs_idx, 1,
+ vlib_buffer_length_in_chain (vm, b0));
+ }
+
vlib_set_next_frame_buffer (vm, rt, next0, bi0);
from += 1;
VNET_SW_INTERFACE_ADD_DEL_FUNCTION (bfd_udp_sw_if_add_del);
+clib_error_t *
+bfd_udp_stats_init (bfd_udp_main_t *bum)
+{
+ const char *name4 = "/bfd/udp4/sessions";
+ bum->udp4_sessions_count_stat_seg_entry = vlib_stats_add_gauge ("%s", name4);
+
+ vlib_stats_set_gauge (bum->udp4_sessions_count_stat_seg_entry, 0);
+ if (~0 == bum->udp4_sessions_count_stat_seg_entry)
+ {
+ return clib_error_return (
+ 0, "Could not create stat segment entry for %s", name4);
+ }
+ const char *name6 = "/bfd/udp6/sessions";
+ bum->udp6_sessions_count_stat_seg_entry = vlib_stats_add_gauge ("%s", name6);
+
+ vlib_stats_set_gauge (bum->udp6_sessions_count_stat_seg_entry, 0);
+ if (~0 == bum->udp6_sessions_count_stat_seg_entry)
+ {
+ return clib_error_return (
+ 0, "Could not create stat segment entry for %s", name6);
+ }
+
+ return 0;
+}
+
/*
* setup function
*/
ASSERT (node);
bfd_udp_main.ip6_midchain_idx = node->index;
+ bfd_udp_stats_init (&bfd_udp_main);
+
bfd_udp_main.log_class = vlib_log_register_class ("bfd", "udp");
vlib_log_debug (bfd_udp_main.log_class, "initialized");
return 0;