#include <vnet/ip-neighbor/ip_neighbor_watch.h>
#include <vnet/ip/ip6_ll_table.h>
+#include <vnet/ip/ip46_address.h>
#include <vnet/fib/fib_table.h>
#include <vnet/adj/adj_mcast.h>
+ip_neighbor_counters_t ip_neighbor_counters[] =
+{
+ [AF_IP4] = {
+ .ipnc = {
+ [VLIB_RX] = {
+ [IP_NEIGHBOR_CTR_REPLY] = {
+ .name = "arp-rx-replies",
+ .stat_segment_name = "/net/arp/rx/replies",
+ },
+ [IP_NEIGHBOR_CTR_REQUEST] = {
+ .name = "arp-rx-requests",
+ .stat_segment_name = "/net/arp/rx/requests",
+ },
+ [IP_NEIGHBOR_CTR_GRAT] = {
+ .name = "arp-rx-gratuitous",
+ .stat_segment_name = "/net/arp/rx/gratuitous",
+ },
+ },
+ [VLIB_TX] = {
+ [IP_NEIGHBOR_CTR_REPLY] = {
+ .name = "arp-tx-replies",
+ .stat_segment_name = "/net/arp/tx/replies",
+ },
+ [IP_NEIGHBOR_CTR_REQUEST] = {
+ .name = "arp-tx-requests",
+ .stat_segment_name = "/net/arp/tx/requests",
+ },
+ [IP_NEIGHBOR_CTR_GRAT] = {
+ .name = "arp-tx-gratuitous",
+ .stat_segment_name = "/net/arp/tx/gratuitous",
+ },
+ },
+ },
+ },
+ [AF_IP6] = {
+ .ipnc = {
+ [VLIB_RX] = {
+ [IP_NEIGHBOR_CTR_REPLY] = {
+ .name = "ip6-nd-rx-replies",
+ .stat_segment_name = "/net/ip6-nd/rx/replies",
+ },
+ [IP_NEIGHBOR_CTR_REQUEST] = {
+ .name = "ip6-nd-rx-requests",
+ .stat_segment_name = "/net/ip6-nd/rx/requests",
+ },
+ [IP_NEIGHBOR_CTR_GRAT] = {
+ .name = "ip6-nd-rx-gratuitous",
+ .stat_segment_name = "/net/ip6-nd/rx/gratuitous",
+ },
+ },
+ [VLIB_TX] = {
+ [IP_NEIGHBOR_CTR_REPLY] = {
+ .name = "ip6-nd-tx-replies",
+ .stat_segment_name = "/net/ip6-nd/tx/replies",
+ },
+ [IP_NEIGHBOR_CTR_REQUEST] = {
+ .name = "ip6-nd-tx-requests",
+ .stat_segment_name = "/net/ip6-nd/tx/requests",
+ },
+ [IP_NEIGHBOR_CTR_GRAT] = {
+ .name = "ip6-nd-tx-gratuitous",
+ .stat_segment_name = "/net/ip6-nd/tx/gratuitous",
+ },
+ },
+ },
+ },
+};
+
/** Pool for All IP neighbors */
static ip_neighbor_t *ip_neighbor_pool;
ip_neighbor_probe (adj);
}
break;
+ case IP_LOOKUP_NEXT_REWRITE:
+ /* Update of an existing rewrite adjacency happens e.g. when the
+ * interface's MAC address changes */
+ if (NULL != ipn)
+ ip_neighbor_mk_complete (ai, ipn);
+ break;
case IP_LOOKUP_NEXT_GLEAN:
case IP_LOOKUP_NEXT_BCAST:
case IP_LOOKUP_NEXT_MCAST:
case IP_LOOKUP_NEXT_DROP:
case IP_LOOKUP_NEXT_PUNT:
case IP_LOOKUP_NEXT_LOCAL:
- case IP_LOOKUP_NEXT_REWRITE:
case IP_LOOKUP_NEXT_MCAST_MIDCHAIN:
case IP_LOOKUP_NEXT_MIDCHAIN:
case IP_LOOKUP_NEXT_ICMP_ERROR:
ip_neighbor_t *ipn;
/* *INDENT-OFF* */
- pool_foreach (ipn, ip_neighbor_pool,
- ({
+ pool_foreach (ipn, ip_neighbor_pool)
+ {
if ((sw_if_index == ~0 ||
ipn->ipn_key->ipnk_sw_if_index == sw_if_index) &&
(N_AF == af ||
ip_neighbor_get_af(ipn) == af))
vec_add1 (ipnis, ip_neighbor_get_index(ipn));
- }));
+ }
/* *INDENT-ON* */
}
void
-ip_neighbor_probe_dst (const ip_adjacency_t * adj, const ip46_address_t * dst)
+ip_neighbor_probe_dst (u32 sw_if_index, u32 thread_index,
+ ip_address_family_t af, const ip46_address_t *dst)
{
- if (!vnet_sw_interface_is_admin_up (vnet_get_main (),
- adj->rewrite_header.sw_if_index))
+ if (!vnet_sw_interface_is_admin_up (vnet_get_main (), sw_if_index))
return;
- switch (adj->ia_nh_proto)
+ switch (af)
{
- case FIB_PROTOCOL_IP6:
- ip6_neighbor_probe_dst (adj, &dst->ip6);
- break;
- case FIB_PROTOCOL_IP4:
- ip4_neighbor_probe_dst (adj, &dst->ip4);
+ case AF_IP6:
+ ip6_neighbor_probe_dst (sw_if_index, thread_index, &dst->ip6);
break;
- case FIB_PROTOCOL_MPLS:
- ASSERT (0);
+ case AF_IP4:
+ ip4_neighbor_probe_dst (sw_if_index, thread_index, &dst->ip4);
break;
}
}
void
ip_neighbor_probe (const ip_adjacency_t * adj)
{
- ip_neighbor_probe_dst (adj, &adj->sub_type.nbr.next_hop);
+ ip_neighbor_probe_dst (adj->rewrite_header.sw_if_index,
+ vlib_get_thread_index (),
+ ip_address_family_from_fib_proto (adj->ia_nh_proto),
+ &adj->sub_type.nbr.next_hop);
}
void
return -1;
}
-static void
-ip_neighbor_ethernet_change_mac (ethernet_main_t * em,
- u32 sw_if_index, uword opaque)
-{
- ip_neighbor_t *ipn;
- adj_index_t ai;
-
- IP_NEIGHBOR_DBG ("mac-change: %U",
- format_vnet_sw_if_index_name, vnet_get_main (),
- sw_if_index);
-
- /* *INDENT-OFF* */
- pool_foreach (ipn, ip_neighbor_pool,
- ({
- if (ipn->ipn_key->ipnk_sw_if_index == sw_if_index)
- adj_nbr_walk_nh (ipn->ipn_key->ipnk_sw_if_index,
- ip_address_family_to_fib_proto(ip_neighbor_get_af(ipn)),
- &ip_addr_46(&ipn->ipn_key->ipnk_ip),
- ip_neighbor_mk_complete_walk,
- ipn);
- }));
- /* *INDENT-ON* */
-
- ai = adj_glean_get (FIB_PROTOCOL_IP4, sw_if_index);
-
- if (ADJ_INDEX_INVALID != ai)
- adj_glean_update_rewrite (ai);
-}
-
void
ip_neighbor_populate (ip_address_family_t af, u32 sw_if_index)
{
sw_if_index, format_ip_address_family, af);
/* *INDENT-OFF* */
- pool_foreach (ipn, ip_neighbor_pool,
- ({
+ pool_foreach (ipn, ip_neighbor_pool)
+ {
if (ip_neighbor_get_af(ipn) == af &&
ipn->ipn_key->ipnk_sw_if_index == sw_if_index)
vec_add1 (ipnis, ipn - ip_neighbor_pool);
- }));
+ }
/* *INDENT-ON* */
vec_foreach (ipni, ipnis)
sw_if_index, format_ip_address_family, af);
/* *INDENT-OFF* */
- pool_foreach (ipn, ip_neighbor_pool,
- ({
+ pool_foreach (ipn, ip_neighbor_pool)
+ {
if (ip_neighbor_get_af(ipn) == af &&
ipn->ipn_key->ipnk_sw_if_index == sw_if_index &&
ip_neighbor_is_dynamic (ipn))
vec_add1 (ipnis, ipn - ip_neighbor_pool);
- }));
+ }
/* *INDENT-ON* */
vec_foreach (ipni, ipnis) ip_neighbor_destroy (ip_neighbor_get (*ipni));
vec_free (ipnis);
}
-static walk_rc_t
+walk_rc_t
ip_neighbor_mark_one (index_t ipni, void *ctx)
{
ip_neighbor_t *ipn;
* Remove any arp entries associated with the specified interface
*/
static clib_error_t *
-ip_neighbor_delete_sw_interface (vnet_main_t * vnm,
- u32 sw_if_index, u32 is_add)
+ip_neighbor_add_del_sw_interface (vnet_main_t *vnm, u32 sw_if_index,
+ u32 is_add)
{
IP_NEIGHBOR_DBG ("interface-change: %U %s",
format_vnet_sw_if_index_name, vnet_get_main (),
FOR_EACH_IP_ADDRESS_FAMILY (af) ip_neighbor_flush (af, sw_if_index);
}
+ if (is_add)
+ {
+ ip_neighbor_alloc_ctr (&ip_neighbor_counters[AF_IP4], sw_if_index);
+ ip_neighbor_alloc_ctr (&ip_neighbor_counters[AF_IP6], sw_if_index);
+ }
+
return (NULL);
}
-VNET_SW_INTERFACE_ADD_DEL_FUNCTION (ip_neighbor_delete_sw_interface);
+VNET_SW_INTERFACE_ADD_DEL_FUNCTION (ip_neighbor_add_del_sw_interface);
typedef struct ip_neighbor_walk_covered_ctx_t_
{
* Flush the ARP cache of all entries covered by the address
* that is being removed.
*/
- IP_NEIGHBOR_DBG ("addr-%d: %U, %U/%d",
- (is_del ? "del" : "add"),
- format_vnet_sw_if_index_name, vnet_get_main (),
- sw_if_index, format_ip4_address, address, address_length);
+ IP_NEIGHBOR_DBG ("addr-%s: %U, %U/%d", (is_del ? "del" : "add"),
+ format_vnet_sw_if_index_name, vnet_get_main (), sw_if_index,
+ format_ip4_address, address, address_length);
if (is_del)
{
}
else
{
- adj_index_t ai;
-
- ai = adj_glean_get (ip_address_family_to_fib_proto (af),
- ip_neighbor_get_sw_if_index (ipn));
-
- if (ADJ_INDEX_INVALID != ai)
- ip_neighbor_probe_dst (adj_get (ai),
- &ip_addr_46 (&ipn->ipn_key->ipnk_ip));
+ ip_neighbor_probe_dst (ip_neighbor_get_sw_if_index (ipn), af,
+ vlib_get_thread_index (),
+ &ip_addr_46 (&ipn->ipn_key->ipnk_ip));
ipn->ipn_n_probes++;
*wait = 1;
return (NULL);
}
+static clib_error_t *
+ip_neighbor_config_set (vlib_main_t *vm, unformat_input_t *input,
+ vlib_cli_command_t *cmd)
+{
+ unformat_input_t _line_input, *line_input = &_line_input;
+ clib_error_t *error = NULL;
+ ip_address_family_t af;
+ u32 limit, age;
+ bool recycle;
+
+ if (!unformat_user (input, unformat_line_input, line_input))
+ return 0;
+
+ if (!unformat (line_input, "%U", unformat_ip_address_family, &af))
+ {
+ error = unformat_parse_error (line_input);
+ goto done;
+ }
+
+ limit = ip_neighbor_db[af].ipndb_limit;
+ age = ip_neighbor_db[af].ipndb_age;
+ recycle = ip_neighbor_db[af].ipndb_recycle;
+
+ while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (line_input, "limit %u", &limit))
+ ;
+ else if (unformat (line_input, "age %u", &age))
+ ;
+ else if (unformat (line_input, "recycle"))
+ recycle = true;
+ else if (unformat (line_input, "norecycle"))
+ recycle = false;
+ else
+ {
+ error = unformat_parse_error (line_input);
+ goto done;
+ }
+ }
+
+ ip_neighbor_config (af, limit, age, recycle);
+
+done:
+ unformat_free (line_input);
+ return error;
+}
+
+static void
+ip_neighbor_stats_show_one (vlib_main_t *vm, vnet_main_t *vnm, u32 sw_if_index)
+{
+ vlib_cli_output (vm, " %U", format_vnet_sw_if_index_name, vnm, sw_if_index);
+ vlib_cli_output (vm, " arp:%U", format_ip_neighbor_counters,
+ &ip_neighbor_counters[AF_IP4], sw_if_index);
+ vlib_cli_output (vm, " nd: %U", format_ip_neighbor_counters,
+ &ip_neighbor_counters[AF_IP6], sw_if_index);
+}
+
+static walk_rc_t
+ip_neighbor_stats_show_cb (vnet_main_t *vnm, vnet_sw_interface_t *si,
+ void *ctx)
+{
+ ip_neighbor_stats_show_one (ctx, vnm, si->sw_if_index);
+
+ return (WALK_CONTINUE);
+}
+
+static clib_error_t *
+ip_neighbor_stats_show (vlib_main_t *vm, unformat_input_t *input,
+ vlib_cli_command_t *cmd)
+{
+ vnet_main_t *vnm;
+ u32 sw_if_index;
+
+ vnm = vnet_get_main ();
+ sw_if_index = ~0;
+ (void) unformat_user (input, unformat_vnet_sw_interface, vnm, &sw_if_index);
+
+ if (~0 == sw_if_index)
+ {
+ vnet_sw_interface_walk (vnm, ip_neighbor_stats_show_cb, vm);
+ }
+ else
+ {
+ ip_neighbor_stats_show_one (vm, vnm, sw_if_index);
+ }
+ return (NULL);
+}
+
/* *INDENT-OFF* */
VLIB_CLI_COMMAND (show_ip_neighbor_cfg_cmd_node, static) = {
.path = "show ip neighbor-config",
.function = ip_neighbor_config_show,
.short_help = "show ip neighbor-config",
};
+VLIB_CLI_COMMAND (set_ip_neighbor_cfg_cmd_node, static) = {
+ .path = "set ip neighbor-config",
+ .function = ip_neighbor_config_set,
+ .short_help = "set ip neighbor-config ip4|ip6 [limit <limit>] [age <age>] "
+ "[recycle|norecycle]",
+};
+VLIB_CLI_COMMAND (show_ip_neighbor_stats_cmd_node, static) = {
+ .path = "show ip neighbor-stats",
+ .function = ip_neighbor_stats_show,
+ .short_help = "show ip neighbor-stats [interface]",
+};
/* *INDENT-ON* */
static clib_error_t *
};
vec_add1 (ip6_main.table_bind_callbacks, cb);
}
- {
- ethernet_address_change_ctx_t ctx = {
- .function = ip_neighbor_ethernet_change_mac,
- .function_opaque = 0,
- };
- vec_add1 (ethernet_main.address_change_callbacks, ctx);
- }
-
ipn_logger = vlib_log_register_class ("ip", "neighbor");
ip_address_family_t af;
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