net/sfc/base: handle manual and auto filter clashes in EF10

[dpdk.git] / drivers / net / sfc / base / efx_impl.h

diff --git a/drivers/net/sfc/base/efx_impl.h b/drivers/net/sfc/base/efx_impl.h
index 85d984f..9755f4d 100644 (file)
--- a/drivers/net/sfc/base/efx_impl.h
+++ b/drivers/net/sfc/base/efx_impl.h
@@ -246,12 +246,31 @@ typedef struct efx_phy_ops_s {
 } efx_phy_ops_t;
 
 #if EFSYS_OPT_FILTER
+
+/*
+ * Policy for replacing existing filter when inserting a new one.
+ * Note that all policies allow for storing the new lower priority
+ * filters as overridden by existing higher priority ones. It is needed
+ * to restore the lower priority filters on higher priority ones removal.
+ */
+typedef enum efx_filter_replacement_policy_e {
+       /* Cannot replace existing filter */
+       EFX_FILTER_REPLACEMENT_NEVER,
+       /* Higher priority filters can replace lower priotiry ones */
+       EFX_FILTER_REPLACEMENT_HIGHER_PRIORITY,
+       /*
+        * Higher priority filters can replace lower priority ones and
+        * equal priority filters can replace each other.
+        */
+       EFX_FILTER_REPLACEMENT_HIGHER_OR_EQUAL_PRIORITY,
+} efx_filter_replacement_policy_t;
+
 typedef struct efx_filter_ops_s {
        efx_rc_t        (*efo_init)(efx_nic_t *);
        void            (*efo_fini)(efx_nic_t *);
        efx_rc_t        (*efo_restore)(efx_nic_t *);
        efx_rc_t        (*efo_add)(efx_nic_t *, efx_filter_spec_t *,
-                                  boolean_t may_replace);
+                                  efx_filter_replacement_policy_t policy);
        efx_rc_t        (*efo_delete)(efx_nic_t *, efx_filter_spec_t *);
        efx_rc_t        (*efo_supported_filters)(efx_nic_t *, uint32_t *,
                                   size_t, size_t *);