sfc: Remove now-unused filter function
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -64,8 +64,6 @@ extern void efx_remove_filters(struct efx_nic *efx);
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extern s32 efx_filter_insert_filter(struct efx_nic *efx,
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struct efx_filter_spec *spec,
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bool replace);
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extern int efx_filter_remove_filter(struct efx_nic *efx,
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struct efx_filter_spec *spec);
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extern int efx_filter_remove_id_safe(struct efx_nic *efx,
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enum efx_filter_priority priority,
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u32 filter_id);
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@ -680,52 +680,6 @@ int efx_filter_get_filter_safe(struct efx_nic *efx,
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return rc;
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}
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/**
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* efx_filter_remove_filter - remove a filter by specification
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* @efx: NIC from which to remove the filter
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* @spec: Specification for the filter
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*
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* On success, return zero.
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* On failure, return a negative error code.
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*/
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int efx_filter_remove_filter(struct efx_nic *efx, struct efx_filter_spec *spec)
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{
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struct efx_filter_state *state = efx->filter_state;
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struct efx_filter_table *table = efx_filter_spec_table(state, spec);
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struct efx_filter_spec *saved_spec;
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efx_oword_t filter;
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unsigned int filter_idx, depth;
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u32 key;
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int rc;
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if (!table)
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return -EINVAL;
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key = efx_filter_build(&filter, spec);
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spin_lock_bh(&state->lock);
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rc = efx_filter_search(table, spec, key, false, &depth);
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if (rc < 0)
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goto out;
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filter_idx = rc;
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saved_spec = &table->spec[filter_idx];
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if (spec->priority < saved_spec->priority) {
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rc = -EPERM;
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goto out;
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}
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efx_filter_table_clear_entry(efx, table, filter_idx);
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if (table->used == 0)
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efx_filter_table_reset_search_depth(table);
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rc = 0;
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out:
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spin_unlock_bh(&state->lock);
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return rc;
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}
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static void efx_filter_table_clear(struct efx_nic *efx,
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enum efx_filter_table_id table_id,
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enum efx_filter_priority priority)
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