extern s32 efx_filter_insert_filter(struct efx_nic *efx,
struct efx_filter_spec *spec,
bool replace);
-extern int efx_filter_remove_filter(struct efx_nic *efx,
- struct efx_filter_spec *spec);
extern int efx_filter_remove_id_safe(struct efx_nic *efx,
enum efx_filter_priority priority,
u32 filter_id);
return rc;
}
-/**
- * efx_filter_remove_filter - remove a filter by specification
- * @efx: NIC from which to remove the filter
- * @spec: Specification for the filter
- *
- * On success, return zero.
- * On failure, return a negative error code.
- */
-int efx_filter_remove_filter(struct efx_nic *efx, struct efx_filter_spec *spec)
-{
- struct efx_filter_state *state = efx->filter_state;
- struct efx_filter_table *table = efx_filter_spec_table(state, spec);
- struct efx_filter_spec *saved_spec;
- efx_oword_t filter;
- unsigned int filter_idx, depth;
- u32 key;
- int rc;
-
- if (!table)
- return -EINVAL;
-
- key = efx_filter_build(&filter, spec);
-
- spin_lock_bh(&state->lock);
-
- rc = efx_filter_search(table, spec, key, false, &depth);
- if (rc < 0)
- goto out;
- filter_idx = rc;
- saved_spec = &table->spec[filter_idx];
-
- if (spec->priority < saved_spec->priority) {
- rc = -EPERM;
- goto out;
- }
-
- efx_filter_table_clear_entry(efx, table, filter_idx);
- if (table->used == 0)
- efx_filter_table_reset_search_depth(table);
- rc = 0;
-
-out:
- spin_unlock_bh(&state->lock);
- return rc;
-}
-
static void efx_filter_table_clear(struct efx_nic *efx,
enum efx_filter_table_id table_id,
enum efx_filter_priority priority)