Hello all,
I am in need to find out whether a particular feature is enabled on an
interface during run time.
So if I understand correctly we have to get the corresponding 'feature
arc index '. Then get the config index by using
'config_index_by_sw_if_index' then get the config_pool and then
iterate through the features list to check whether the given feature
is there or not.
What I would like to know, is this is the correct approach or is there
any optimized and a better performing alternative for achieving the
same
current_config_index =
vec_elt (cm[feature_arc].config_index_by_sw_if_index, sw_if_index);
cfg_index = vcm->config_pool_index_by_user_index[current_config_index];
cfg = pool_elt_at_index (vcm->config_pool, cfg_index);
for (i = 0; i < vec_len (cfg->features); i++)
{
feat = cfg->features + i;
node_index = feat->node_index;
n = vlib_get_node (vm, node_index);
if (0 == memcmp (n->name, input_feat,
sizeof("ip4-policer-classify") - 1))
return 1;
}
Thanks and Regards,
Raj
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