vec_validate (l2input_main.bd_configs, rv);
l2input_main.bd_configs[rv].bd_id = bd_id;
+ l2input_main.bd_configs[rv].learn_limit =
+ l2learn_main.bd_default_learn_limit;
+ l2input_main.bd_configs[rv].learn_count = 0;
return rv;
}
/* clear BD config for reuse: bd_id to -1 and clear feature_bitmap */
bd->bd_id = ~0;
bd->feature_bitmap = 0;
+ bd->learn_limit = 0;
+ bd->learn_count = ~0;
/* free BD tag */
vec_free (bd->bd_tag);
bd_main_t *bdm = &bd_main;
bdm->bd_index_by_bd_id = hash_create (0, sizeof (uword));
/*
- * create a dummy bd with bd_id of 0 and bd_index of 0 with feature set
+ * create a placeholder bd with bd_id of 0 and bd_index of 0 with feature set
* to packet drop only. Thus, packets received from any L2 interface with
* uninitialized bd_index of 0 can be dropped safely.
*/
VLIB_INIT_FUNCTION (l2bd_init);
+l2_bridge_domain_t *
+bd_get (u32 bd_index)
+{
+ if (bd_index < vec_len (l2input_main.bd_configs))
+ return (vec_elt_at_index (l2input_main.bd_configs, bd_index));
+ return (NULL);
+}
+
+u32
+bd_input_walk (u32 bd_index, bd_input_walk_fn_t fn, void *data)
+{
+ l2_flood_member_t *member;
+ l2_bridge_domain_t *bd;
+ u32 sw_if_index;
+
+ sw_if_index = ~0;
+ bd = bd_get (bd_index);
+
+ ASSERT (bd);
+
+ vec_foreach (member, bd->members)
+ {
+ if (WALK_STOP == fn (bd_index, member->sw_if_index))
+ {
+ sw_if_index = member->sw_if_index;
+ break;
+ }
+ }
+
+ return (sw_if_index);
+}
+
+static void
+b2_input_recache (u32 bd_index)
+{
+ bd_input_walk (bd_index, l2input_recache, NULL);
+}
/**
Set the learn/forward/flood flags for the bridge domain.
bd_config->feature_bitmap &= ~feature_bitmap;
}
+ b2_input_recache (bd_index);
+
return bd_config->feature_bitmap;
}
vec_validate (l2input_main.bd_configs, bd_index);
bd_config = vec_elt_at_index (l2input_main.bd_configs, bd_index);
bd_config->mac_age = age;
+ b2_input_recache (bd_index);
/* check if there is at least one bd with mac aging enabled */
vec_foreach (bd_config, l2input_main.bd_configs)
}
/**
- Set the tag for the bridge domain.
+ Set learn limit for the bridge domain.
*/
+void
+bd_set_learn_limit (vlib_main_t *vm, u32 bd_index, u32 learn_limit)
+{
+ l2_bridge_domain_t *bd_config;
+ vec_validate (l2input_main.bd_configs, bd_index);
+ bd_config = vec_elt_at_index (l2input_main.bd_configs, bd_index);
+ bd_config->learn_limit = learn_limit;
+}
+/**
+ Set the tag for the bridge domain.
+*/
static void
bd_set_bd_tag (vlib_main_t * vm, u32 bd_index, u8 * bd_tag)
{
};
/* *INDENT-ON* */
+static clib_error_t *
+bd_default_learn_limit (vlib_main_t *vm, unformat_input_t *input,
+ vlib_cli_command_t *cmd)
+{
+ l2learn_main_t *l2m = &l2learn_main;
+ clib_error_t *error = 0;
+ u32 learn_limit;
+
+ if (!unformat (input, "%d", &learn_limit))
+ {
+ error = clib_error_return (
+ 0, "expecting per bridge-domain max entry number got`%U'",
+ format_unformat_error, input);
+ goto done;
+ }
+
+ l2m->bd_default_learn_limit = learn_limit;
+
+done:
+ return error;
+}
+
+VLIB_CLI_COMMAND (bd_default_learn_limit_cli, static) = {
+ .path = "set bridge-domain default-learn-limit",
+ .short_help = "set bridge-domain default-learn-limit <maxentries>",
+ .function = bd_default_learn_limit,
+};
+
/**
Set bridge-domain forward enable/disable.
The CLI format is:
};
/* *INDENT-ON* */
+static clib_error_t *
+bd_learn_limit (vlib_main_t *vm, unformat_input_t *input,
+ vlib_cli_command_t *cmd)
+{
+ bd_main_t *bdm = &bd_main;
+ clib_error_t *error = 0;
+ u32 bd_index, bd_id;
+ u32 learn_limit;
+ uword *p;
+
+ if (!unformat (input, "%d", &bd_id))
+ {
+ error = clib_error_return (0, "expecting bridge-domain id but got `%U'",
+ format_unformat_error, input);
+ goto done;
+ }
+
+ if (bd_id == 0)
+ return clib_error_return (
+ 0, "No operations on the default bridge domain are supported");
+
+ p = hash_get (bdm->bd_index_by_bd_id, bd_id);
+
+ if (p == 0)
+ return clib_error_return (0, "No such bridge domain %d", bd_id);
+
+ bd_index = p[0];
+
+ if (!unformat (input, "%u", &learn_limit))
+ {
+ error = clib_error_return (
+ 0, "expecting maxium number of learned entries but got `%U'",
+ format_unformat_error, input);
+ goto done;
+ }
+
+ bd_set_learn_limit (vm, bd_index, learn_limit);
+
+done:
+ return error;
+}
+
+VLIB_CLI_COMMAND (bd_learn_limit_cli, static) = {
+ .path = "set bridge-domain learn-limit",
+ .short_help =
+ "set bridge-domain learn-limit <bridge-domain-id> <learn-limit>",
+ .function = bd_learn_limit,
+};
+
/*?
* Modify whether or not an existing bridge-domain should terminate and respond
* to ARP Requests. ARP Termination is disabled by default.
};
/* *INDENT-ON* */
-static u8 *
-format_vtr (u8 * s, va_list * args)
-{
- u32 vtr_op = va_arg (*args, u32);
- u32 dot1q = va_arg (*args, u32);
- u32 tag1 = va_arg (*args, u32);
- u32 tag2 = va_arg (*args, u32);
- switch (vtr_op)
- {
- case L2_VTR_DISABLED:
- return format (s, "none");
- case L2_VTR_PUSH_1:
- return format (s, "push-1 %s %d", dot1q ? "dot1q" : "dot1ad", tag1);
- case L2_VTR_PUSH_2:
- return format (s, "push-2 %s %d %d", dot1q ? "dot1q" : "dot1ad", tag1,
- tag2);
- case L2_VTR_POP_1:
- return format (s, "pop-1");
- case L2_VTR_POP_2:
- return format (s, "pop-2");
- case L2_VTR_TRANSLATE_1_1:
- return format (s, "trans-1-1 %s %d", dot1q ? "dot1q" : "dot1ad", tag1);
- case L2_VTR_TRANSLATE_1_2:
- return format (s, "trans-1-2 %s %d %d", dot1q ? "dot1q" : "dot1ad",
- tag1, tag2);
- case L2_VTR_TRANSLATE_2_1:
- return format (s, "trans-2-1 %s %d", dot1q ? "dot1q" : "dot1ad", tag1);
- case L2_VTR_TRANSLATE_2_2:
- return format (s, "trans-2-2 %s %d %d", dot1q ? "dot1q" : "dot1ad",
- tag1, tag2);
- default:
- return format (s, "none");
- }
-}
-
static u8 *
format_uu_cfg (u8 * s, va_list * args)
{
{
printed = 1;
vlib_cli_output (vm,
- "%=8s %=7s %=4s %=9s %=9s %=9s %=11s %=9s %=9s %=9s %=11s",
- "BD-ID", "Index", "BSN", "Age(min)",
- "Learning", "U-Forwrd", "UU-Flood",
- "Flooding", "ARP-Term", "arp-ufwd",
+ "%=8s %=7s %=4s %=9s %=9s %=9s %=11s %=9s %=9s "
+ "%=9s %=8s %=8s %=11s",
+ "BD-ID", "Index", "BSN", "Age(min)", "Learning",
+ "U-Forwrd", "UU-Flood", "Flooding", "ARP-Term",
+ "arp-ufwd", "Learn-count", "Learn-limit",
"BVI-Intf");
}
as = format (as, "%d", bd_config->mac_age);
else
as = format (as, "off");
- vlib_cli_output (vm,
- "%=8d %=7d %=4d %=9v %=9s %=9s %=11U %=9s %=9s %=9s %=11U",
- bd_config->bd_id, bd_index, bd_config->seq_num, as,
- bd_config->feature_bitmap & L2INPUT_FEAT_LEARN ?
- "on" : "off",
- bd_config->feature_bitmap & L2INPUT_FEAT_FWD ?
- "on" : "off",
- format_uu_cfg, bd_config,
- bd_config->feature_bitmap & L2INPUT_FEAT_FLOOD ?
- "on" : "off",
- bd_config->feature_bitmap & L2INPUT_FEAT_ARP_TERM ?
- "on" : "off",
- bd_config->feature_bitmap & L2INPUT_FEAT_ARP_UFWD ?
- "on" : "off",
- format_vnet_sw_if_index_name_with_NA,
- vnm, bd_config->bvi_sw_if_index);
+ vlib_cli_output (
+ vm,
+ "%=8d %=7d %=4d %=9v %=9s %=9s %=11U %=9s %=9s %=9s %=8d %=8d "
+ "%=11U",
+ bd_config->bd_id, bd_index, bd_config->seq_num, as,
+ bd_config->feature_bitmap & L2INPUT_FEAT_LEARN ? "on" : "off",
+ bd_config->feature_bitmap & L2INPUT_FEAT_FWD ? "on" : "off",
+ format_uu_cfg, bd_config,
+ bd_config->feature_bitmap & L2INPUT_FEAT_FLOOD ? "on" : "off",
+ bd_config->feature_bitmap & L2INPUT_FEAT_ARP_TERM ? "on" : "off",
+ bd_config->feature_bitmap & L2INPUT_FEAT_ARP_UFWD ? "on" : "off",
+ bd_config->learn_count, bd_config->learn_limit,
+ format_vnet_sw_if_index_name_with_NA, vnm,
+ bd_config->bvi_sw_if_index);
+ if (detail)
+ vlib_cli_output (vm, "%U", format_l2_input_feature_bitmap,
+ bd_config->feature_bitmap);
vec_reset_length (as);
if (detail || intf)
{
l2_flood_member_t *member =
vec_elt_at_index (bd_config->members, i);
- u8 swif_seq_num = *l2fib_swif_seq_num (member->sw_if_index);
+ u8 swif_seq_num = l2_input_seq_num (member->sw_if_index);
u32 vtr_opr, dot1q, tag1, tag2;
if (i == 0)
{
bd_add_del (l2_bridge_domain_add_del_args_t * a)
{
bd_main_t *bdm = &bd_main;
+ l2fib_main_t *fm = &l2fib_main;
vlib_main_t *vm = bdm->vlib_main;
int rv = 0;
+ if (fm->mac_table_initialized == 0)
+ l2fib_table_init ();
+
u32 bd_index = bd_find_index (bdm, a->bd_id);
if (a->is_add)
{
if (a->bd_tag)
bd_set_bd_tag (vm, bd_index, a->bd_tag);
+ bd_set_learn_limit (vm, bd_index, l2learn_main.bd_default_learn_limit);
+ vec_elt_at_index (l2input_main.bd_configs, bd_index)->learn_count = 0;
}
else
{
if (bd_id == ~0)
{
- error = clib_error_return (0, "bridge-domain-id not specified");
- goto done;
+ if (is_add)
+ {
+ bd_id = bd_get_unused_id ();
+ }
+ else
+ {
+ error = clib_error_return (0, "bridge-domain-id not specified");
+ goto done;
+ }
}
if (bd_id == 0)
};
/* *INDENT-ON* */
+/*
+ * Returns an unused bridge domain id, and ~0 if it can't find one.
+ */
+u32
+bd_get_unused_id (void)
+{
+ bd_main_t *bdm = &bd_main;
+ int i, j;
+ static u32 seed = 0;
+ /* limit to 1M tries */
+ for (j = 0; j < 1 << 10; j++)
+ {
+ seed = random_u32 (&seed);
+ for (i = 0; i < 1 << 10; i++)
+ {
+ /*
+ * iterate seed+0, seed+1, seed-1, seed+2, seed-2, ... to generate id
+ */
+ seed += (2 * (i % 2) - 1) * i;
+ /* bd_id must be (1 <= bd_id <= L2_BD_ID_MAX) */
+ seed &= L2_BD_ID_MAX;
+ if (seed == 0)
+ continue;
+ if (bd_find_index (bdm, seed) == ~0)
+ return seed;
+ }
+ }
+
+ return ~0;
+}
/*
* fd.io coding-style-patch-verification: ON
Code Review / vpp.git / blobdiff