net/sfc: support flow action count in transfer rules
[dpdk.git] / drivers / net / sfc / sfc_flow.c
index 201c6cd..1294dbd 100644 (file)
@@ -1,7 +1,7 @@
 /* SPDX-License-Identifier: BSD-3-Clause
  *
- * Copyright (c) 2017-2018 Solarflare Communications Inc.
- * All rights reserved.
+ * Copyright(c) 2019-2021 Xilinx, Inc.
+ * Copyright(c) 2017-2019 Solarflare Communications Inc.
  *
  * This software was jointly developed between OKTET Labs (under contract
  * for Solarflare) and Solarflare Communications, Inc.
@@ -10,8 +10,7 @@
 #include <rte_byteorder.h>
 #include <rte_tailq.h>
 #include <rte_common.h>
-#include <rte_ethdev_driver.h>
-#include <rte_eth_ctrl.h>
+#include <ethdev_driver.h>
 #include <rte_ether.h>
 #include <rte_flow.h>
 #include <rte_flow_driver.h>
 #include "efx.h"
 
 #include "sfc.h"
+#include "sfc_debug.h"
 #include "sfc_rx.h"
 #include "sfc_filter.h"
 #include "sfc_flow.h"
 #include "sfc_log.h"
 #include "sfc_dp_rx.h"
+#include "sfc_mae_counter.h"
+
+struct sfc_flow_ops_by_spec {
+       sfc_flow_parse_cb_t     *parse;
+       sfc_flow_verify_cb_t    *verify;
+       sfc_flow_cleanup_cb_t   *cleanup;
+       sfc_flow_insert_cb_t    *insert;
+       sfc_flow_remove_cb_t    *remove;
+};
+
+static sfc_flow_parse_cb_t sfc_flow_parse_rte_to_filter;
+static sfc_flow_parse_cb_t sfc_flow_parse_rte_to_mae;
+static sfc_flow_insert_cb_t sfc_flow_filter_insert;
+static sfc_flow_remove_cb_t sfc_flow_filter_remove;
+
+static const struct sfc_flow_ops_by_spec sfc_flow_ops_filter = {
+       .parse = sfc_flow_parse_rte_to_filter,
+       .verify = NULL,
+       .cleanup = NULL,
+       .insert = sfc_flow_filter_insert,
+       .remove = sfc_flow_filter_remove,
+};
+
+static const struct sfc_flow_ops_by_spec sfc_flow_ops_mae = {
+       .parse = sfc_flow_parse_rte_to_mae,
+       .verify = sfc_mae_flow_verify,
+       .cleanup = sfc_mae_flow_cleanup,
+       .insert = sfc_mae_flow_insert,
+       .remove = sfc_mae_flow_remove,
+};
+
+static const struct sfc_flow_ops_by_spec *
+sfc_flow_get_ops_by_spec(struct rte_flow *flow)
+{
+       struct sfc_flow_spec *spec = &flow->spec;
+       const struct sfc_flow_ops_by_spec *ops = NULL;
+
+       switch (spec->type) {
+       case SFC_FLOW_SPEC_FILTER:
+               ops = &sfc_flow_ops_filter;
+               break;
+       case SFC_FLOW_SPEC_MAE:
+               ops = &sfc_flow_ops_mae;
+               break;
+       default:
+               SFC_ASSERT(false);
+               break;
+       }
+
+       return ops;
+}
 
 /*
- * At now flow API is implemented in such a manner that each
- * flow rule is converted to one or more hardware filters.
+ * Currently, filter-based (VNIC) flow API is implemented in such a manner
+ * that each flow rule is converted to one or more hardware filters.
  * All elements of flow rule (attributes, pattern items, actions)
  * correspond to one or more fields in the efx_filter_spec_s structure
  * that is responsible for the hardware filter.
  * of such a field.
  */
 
-enum sfc_flow_item_layers {
-       SFC_FLOW_ITEM_ANY_LAYER,
-       SFC_FLOW_ITEM_START_LAYER,
-       SFC_FLOW_ITEM_L2,
-       SFC_FLOW_ITEM_L3,
-       SFC_FLOW_ITEM_L4,
-};
-
-typedef int (sfc_flow_item_parse)(const struct rte_flow_item *item,
-                                 efx_filter_spec_t *spec,
-                                 struct rte_flow_error *error);
-
-struct sfc_flow_item {
-       enum rte_flow_item_type type;           /* Type of item */
-       enum sfc_flow_item_layers layer;        /* Layer of item */
-       enum sfc_flow_item_layers prev_layer;   /* Previous layer of item */
-       sfc_flow_item_parse *parse;             /* Parsing function */
-};
-
 static sfc_flow_item_parse sfc_flow_parse_void;
 static sfc_flow_item_parse sfc_flow_parse_eth;
 static sfc_flow_item_parse sfc_flow_parse_vlan;
@@ -65,6 +97,7 @@ static sfc_flow_item_parse sfc_flow_parse_udp;
 static sfc_flow_item_parse sfc_flow_parse_vxlan;
 static sfc_flow_item_parse sfc_flow_parse_geneve;
 static sfc_flow_item_parse sfc_flow_parse_nvgre;
+static sfc_flow_item_parse sfc_flow_parse_pppoex;
 
 typedef int (sfc_flow_spec_set_vals)(struct sfc_flow_spec *spec,
                                     unsigned int filters_count_for_one_val,
@@ -111,7 +144,7 @@ sfc_flow_is_zero(const uint8_t *buf, unsigned int size)
 /*
  * Validate item and prepare structures spec and mask for parsing
  */
-static int
+int
 sfc_flow_parse_init(const struct rte_flow_item *item,
                    const void **spec_ptr,
                    const void **mask_ptr,
@@ -210,7 +243,7 @@ exit:
 
 static int
 sfc_flow_parse_void(__rte_unused const struct rte_flow_item *item,
-                   __rte_unused efx_filter_spec_t *efx_spec,
+                   __rte_unused struct sfc_flow_parse_ctx *parse_ctx,
                    __rte_unused struct rte_flow_error *error)
 {
        return 0;
@@ -232,10 +265,11 @@ sfc_flow_parse_void(__rte_unused const struct rte_flow_item *item,
  */
 static int
 sfc_flow_parse_eth(const struct rte_flow_item *item,
-                  efx_filter_spec_t *efx_spec,
+                  struct sfc_flow_parse_ctx *parse_ctx,
                   struct rte_flow_error *error)
 {
        int rc;
+       efx_filter_spec_t *efx_spec = parse_ctx->filter;
        const struct rte_flow_item_eth *spec = NULL;
        const struct rte_flow_item_eth *mask = NULL;
        const struct rte_flow_item_eth supp_mask = {
@@ -278,7 +312,7 @@ sfc_flow_parse_eth(const struct rte_flow_item *item,
        if (spec == NULL)
                return 0;
 
-       if (is_same_ether_addr(&mask->dst, &supp_mask.dst)) {
+       if (rte_is_same_ether_addr(&mask->dst, &supp_mask.dst)) {
                efx_spec->efs_match_flags |= is_ifrm ?
                        EFX_FILTER_MATCH_IFRM_LOC_MAC :
                        EFX_FILTER_MATCH_LOC_MAC;
@@ -286,7 +320,7 @@ sfc_flow_parse_eth(const struct rte_flow_item *item,
                           EFX_MAC_ADDR_LEN);
        } else if (memcmp(mask->dst.addr_bytes, ig_mask,
                          EFX_MAC_ADDR_LEN) == 0) {
-               if (is_unicast_ether_addr(&spec->dst))
+               if (rte_is_unicast_ether_addr(&spec->dst))
                        efx_spec->efs_match_flags |= is_ifrm ?
                                EFX_FILTER_MATCH_IFRM_UNKNOWN_UCAST_DST :
                                EFX_FILTER_MATCH_UNKNOWN_UCAST_DST;
@@ -294,7 +328,7 @@ sfc_flow_parse_eth(const struct rte_flow_item *item,
                        efx_spec->efs_match_flags |= is_ifrm ?
                                EFX_FILTER_MATCH_IFRM_UNKNOWN_MCAST_DST :
                                EFX_FILTER_MATCH_UNKNOWN_MCAST_DST;
-       } else if (!is_zero_ether_addr(&mask->dst)) {
+       } else if (!rte_is_zero_ether_addr(&mask->dst)) {
                goto fail_bad_mask;
        }
 
@@ -303,11 +337,11 @@ sfc_flow_parse_eth(const struct rte_flow_item *item,
         * ethertype masks are equal to zero in inner frame,
         * so these fields are filled in only for the outer frame
         */
-       if (is_same_ether_addr(&mask->src, &supp_mask.src)) {
+       if (rte_is_same_ether_addr(&mask->src, &supp_mask.src)) {
                efx_spec->efs_match_flags |= EFX_FILTER_MATCH_REM_MAC;
                rte_memcpy(efx_spec->efs_rem_mac, spec->src.addr_bytes,
                           EFX_MAC_ADDR_LEN);
-       } else if (!is_zero_ether_addr(&mask->src)) {
+       } else if (!rte_is_zero_ether_addr(&mask->src)) {
                goto fail_bad_mask;
        }
 
@@ -344,11 +378,12 @@ fail_bad_mask:
  */
 static int
 sfc_flow_parse_vlan(const struct rte_flow_item *item,
-                   efx_filter_spec_t *efx_spec,
+                   struct sfc_flow_parse_ctx *parse_ctx,
                    struct rte_flow_error *error)
 {
        int rc;
        uint16_t vid;
+       efx_filter_spec_t *efx_spec = parse_ctx->filter;
        const struct rte_flow_item_vlan *spec = NULL;
        const struct rte_flow_item_vlan *mask = NULL;
        const struct rte_flow_item_vlan supp_mask = {
@@ -430,10 +465,11 @@ sfc_flow_parse_vlan(const struct rte_flow_item *item,
  */
 static int
 sfc_flow_parse_ipv4(const struct rte_flow_item *item,
-                   efx_filter_spec_t *efx_spec,
+                   struct sfc_flow_parse_ctx *parse_ctx,
                    struct rte_flow_error *error)
 {
        int rc;
+       efx_filter_spec_t *efx_spec = parse_ctx->filter;
        const struct rte_flow_item_ipv4 *spec = NULL;
        const struct rte_flow_item_ipv4 *mask = NULL;
        const uint16_t ether_type_ipv4 = rte_cpu_to_le_16(EFX_ETHER_TYPE_IPV4);
@@ -520,10 +556,11 @@ fail_bad_mask:
  */
 static int
 sfc_flow_parse_ipv6(const struct rte_flow_item *item,
-                   efx_filter_spec_t *efx_spec,
+                   struct sfc_flow_parse_ctx *parse_ctx,
                    struct rte_flow_error *error)
 {
        int rc;
+       efx_filter_spec_t *efx_spec = parse_ctx->filter;
        const struct rte_flow_item_ipv6 *spec = NULL;
        const struct rte_flow_item_ipv6 *mask = NULL;
        const uint16_t ether_type_ipv6 = rte_cpu_to_le_16(EFX_ETHER_TYPE_IPV6);
@@ -628,10 +665,11 @@ fail_bad_mask:
  */
 static int
 sfc_flow_parse_tcp(const struct rte_flow_item *item,
-                  efx_filter_spec_t *efx_spec,
+                  struct sfc_flow_parse_ctx *parse_ctx,
                   struct rte_flow_error *error)
 {
        int rc;
+       efx_filter_spec_t *efx_spec = parse_ctx->filter;
        const struct rte_flow_item_tcp *spec = NULL;
        const struct rte_flow_item_tcp *mask = NULL;
        const struct rte_flow_item_tcp supp_mask = {
@@ -709,10 +747,11 @@ fail_bad_mask:
  */
 static int
 sfc_flow_parse_udp(const struct rte_flow_item *item,
-                  efx_filter_spec_t *efx_spec,
+                  struct sfc_flow_parse_ctx *parse_ctx,
                   struct rte_flow_error *error)
 {
        int rc;
+       efx_filter_spec_t *efx_spec = parse_ctx->filter;
        const struct rte_flow_item_udp *spec = NULL;
        const struct rte_flow_item_udp *mask = NULL;
        const struct rte_flow_item_udp supp_mask = {
@@ -867,10 +906,11 @@ sfc_flow_set_efx_spec_vni_or_vsid(efx_filter_spec_t *efx_spec,
  */
 static int
 sfc_flow_parse_vxlan(const struct rte_flow_item *item,
-                    efx_filter_spec_t *efx_spec,
+                    struct sfc_flow_parse_ctx *parse_ctx,
                     struct rte_flow_error *error)
 {
        int rc;
+       efx_filter_spec_t *efx_spec = parse_ctx->filter;
        const struct rte_flow_item_vxlan *spec = NULL;
        const struct rte_flow_item_vxlan *mask = NULL;
        const struct rte_flow_item_vxlan supp_mask = {
@@ -919,10 +959,11 @@ sfc_flow_parse_vxlan(const struct rte_flow_item *item,
  */
 static int
 sfc_flow_parse_geneve(const struct rte_flow_item *item,
-                     efx_filter_spec_t *efx_spec,
+                     struct sfc_flow_parse_ctx *parse_ctx,
                      struct rte_flow_error *error)
 {
        int rc;
+       efx_filter_spec_t *efx_spec = parse_ctx->filter;
        const struct rte_flow_item_geneve *spec = NULL;
        const struct rte_flow_item_geneve *mask = NULL;
        const struct rte_flow_item_geneve supp_mask = {
@@ -952,7 +993,7 @@ sfc_flow_parse_geneve(const struct rte_flow_item *item,
                return 0;
 
        if (mask->protocol == supp_mask.protocol) {
-               if (spec->protocol != rte_cpu_to_be_16(ETHER_TYPE_TEB)) {
+               if (spec->protocol != rte_cpu_to_be_16(RTE_ETHER_TYPE_TEB)) {
                        rte_flow_error_set(error, EINVAL,
                                RTE_FLOW_ERROR_TYPE_ITEM, item,
                                "GENEVE encap. protocol must be Ethernet "
@@ -986,10 +1027,11 @@ sfc_flow_parse_geneve(const struct rte_flow_item *item,
  */
 static int
 sfc_flow_parse_nvgre(const struct rte_flow_item *item,
-                    efx_filter_spec_t *efx_spec,
+                    struct sfc_flow_parse_ctx *parse_ctx,
                     struct rte_flow_error *error)
 {
        int rc;
+       efx_filter_spec_t *efx_spec = parse_ctx->filter;
        const struct rte_flow_item_nvgre *spec = NULL;
        const struct rte_flow_item_nvgre *mask = NULL;
        const struct rte_flow_item_nvgre supp_mask = {
@@ -1023,65 +1065,146 @@ sfc_flow_parse_nvgre(const struct rte_flow_item *item,
        return rc;
 }
 
+/**
+ * Convert PPPoEx item to EFX filter specification.
+ *
+ * @param item[in]
+ *   Item specification.
+ *   Matching on PPPoEx fields is not supported.
+ *   This item can only be used to set or validate the EtherType filter.
+ *   Only zero masks are allowed.
+ *   Ranging is not supported.
+ * @param efx_spec[in, out]
+ *   EFX filter specification to update.
+ * @param[out] error
+ *   Perform verbose error reporting if not NULL.
+ */
+static int
+sfc_flow_parse_pppoex(const struct rte_flow_item *item,
+                     struct sfc_flow_parse_ctx *parse_ctx,
+                     struct rte_flow_error *error)
+{
+       efx_filter_spec_t *efx_spec = parse_ctx->filter;
+       const struct rte_flow_item_pppoe *spec = NULL;
+       const struct rte_flow_item_pppoe *mask = NULL;
+       const struct rte_flow_item_pppoe supp_mask = {};
+       const struct rte_flow_item_pppoe def_mask = {};
+       uint16_t ether_type;
+       int rc;
+
+       rc = sfc_flow_parse_init(item,
+                                (const void **)&spec,
+                                (const void **)&mask,
+                                &supp_mask,
+                                &def_mask,
+                                sizeof(struct rte_flow_item_pppoe),
+                                error);
+       if (rc != 0)
+               return rc;
+
+       if (item->type == RTE_FLOW_ITEM_TYPE_PPPOED)
+               ether_type = RTE_ETHER_TYPE_PPPOE_DISCOVERY;
+       else
+               ether_type = RTE_ETHER_TYPE_PPPOE_SESSION;
+
+       if ((efx_spec->efs_match_flags & EFX_FILTER_MATCH_ETHER_TYPE) != 0) {
+               if (efx_spec->efs_ether_type != ether_type) {
+                       rte_flow_error_set(error, EINVAL,
+                                          RTE_FLOW_ERROR_TYPE_ITEM, item,
+                                          "Invalid EtherType for a PPPoE flow item");
+                       return -rte_errno;
+               }
+       } else {
+               efx_spec->efs_match_flags |= EFX_FILTER_MATCH_ETHER_TYPE;
+               efx_spec->efs_ether_type = ether_type;
+       }
+
+       return 0;
+}
+
 static const struct sfc_flow_item sfc_flow_items[] = {
        {
                .type = RTE_FLOW_ITEM_TYPE_VOID,
                .prev_layer = SFC_FLOW_ITEM_ANY_LAYER,
                .layer = SFC_FLOW_ITEM_ANY_LAYER,
+               .ctx_type = SFC_FLOW_PARSE_CTX_FILTER,
                .parse = sfc_flow_parse_void,
        },
        {
                .type = RTE_FLOW_ITEM_TYPE_ETH,
                .prev_layer = SFC_FLOW_ITEM_START_LAYER,
                .layer = SFC_FLOW_ITEM_L2,
+               .ctx_type = SFC_FLOW_PARSE_CTX_FILTER,
                .parse = sfc_flow_parse_eth,
        },
        {
                .type = RTE_FLOW_ITEM_TYPE_VLAN,
                .prev_layer = SFC_FLOW_ITEM_L2,
                .layer = SFC_FLOW_ITEM_L2,
+               .ctx_type = SFC_FLOW_PARSE_CTX_FILTER,
                .parse = sfc_flow_parse_vlan,
        },
+       {
+               .type = RTE_FLOW_ITEM_TYPE_PPPOED,
+               .prev_layer = SFC_FLOW_ITEM_L2,
+               .layer = SFC_FLOW_ITEM_L2,
+               .ctx_type = SFC_FLOW_PARSE_CTX_FILTER,
+               .parse = sfc_flow_parse_pppoex,
+       },
+       {
+               .type = RTE_FLOW_ITEM_TYPE_PPPOES,
+               .prev_layer = SFC_FLOW_ITEM_L2,
+               .layer = SFC_FLOW_ITEM_L2,
+               .ctx_type = SFC_FLOW_PARSE_CTX_FILTER,
+               .parse = sfc_flow_parse_pppoex,
+       },
        {
                .type = RTE_FLOW_ITEM_TYPE_IPV4,
                .prev_layer = SFC_FLOW_ITEM_L2,
                .layer = SFC_FLOW_ITEM_L3,
+               .ctx_type = SFC_FLOW_PARSE_CTX_FILTER,
                .parse = sfc_flow_parse_ipv4,
        },
        {
                .type = RTE_FLOW_ITEM_TYPE_IPV6,
                .prev_layer = SFC_FLOW_ITEM_L2,
                .layer = SFC_FLOW_ITEM_L3,
+               .ctx_type = SFC_FLOW_PARSE_CTX_FILTER,
                .parse = sfc_flow_parse_ipv6,
        },
        {
                .type = RTE_FLOW_ITEM_TYPE_TCP,
                .prev_layer = SFC_FLOW_ITEM_L3,
                .layer = SFC_FLOW_ITEM_L4,
+               .ctx_type = SFC_FLOW_PARSE_CTX_FILTER,
                .parse = sfc_flow_parse_tcp,
        },
        {
                .type = RTE_FLOW_ITEM_TYPE_UDP,
                .prev_layer = SFC_FLOW_ITEM_L3,
                .layer = SFC_FLOW_ITEM_L4,
+               .ctx_type = SFC_FLOW_PARSE_CTX_FILTER,
                .parse = sfc_flow_parse_udp,
        },
        {
                .type = RTE_FLOW_ITEM_TYPE_VXLAN,
                .prev_layer = SFC_FLOW_ITEM_L4,
                .layer = SFC_FLOW_ITEM_START_LAYER,
+               .ctx_type = SFC_FLOW_PARSE_CTX_FILTER,
                .parse = sfc_flow_parse_vxlan,
        },
        {
                .type = RTE_FLOW_ITEM_TYPE_GENEVE,
                .prev_layer = SFC_FLOW_ITEM_L4,
                .layer = SFC_FLOW_ITEM_START_LAYER,
+               .ctx_type = SFC_FLOW_PARSE_CTX_FILTER,
                .parse = sfc_flow_parse_geneve,
        },
        {
                .type = RTE_FLOW_ITEM_TYPE_NVGRE,
                .prev_layer = SFC_FLOW_ITEM_L3,
                .layer = SFC_FLOW_ITEM_START_LAYER,
+               .ctx_type = SFC_FLOW_PARSE_CTX_FILTER,
                .parse = sfc_flow_parse_nvgre,
        },
 };
@@ -1090,10 +1213,16 @@ static const struct sfc_flow_item sfc_flow_items[] = {
  * Protocol-independent flow API support
  */
 static int
-sfc_flow_parse_attr(const struct rte_flow_attr *attr,
+sfc_flow_parse_attr(struct sfc_adapter *sa,
+                   const struct rte_flow_attr *attr,
                    struct rte_flow *flow,
                    struct rte_flow_error *error)
 {
+       struct sfc_flow_spec *spec = &flow->spec;
+       struct sfc_flow_spec_filter *spec_filter = &spec->filter;
+       struct sfc_flow_spec_mae *spec_mae = &spec->mae;
+       struct sfc_mae *mae = &sa->mae;
+
        if (attr == NULL) {
                rte_flow_error_set(error, EINVAL,
                                   RTE_FLOW_ERROR_TYPE_ATTR, NULL,
@@ -1106,53 +1235,72 @@ sfc_flow_parse_attr(const struct rte_flow_attr *attr,
                                   "Groups are not supported");
                return -rte_errno;
        }
-       if (attr->priority != 0) {
-               rte_flow_error_set(error, ENOTSUP,
-                                  RTE_FLOW_ERROR_TYPE_ATTR_PRIORITY, attr,
-                                  "Priorities are not supported");
-               return -rte_errno;
-       }
        if (attr->egress != 0) {
                rte_flow_error_set(error, ENOTSUP,
                                   RTE_FLOW_ERROR_TYPE_ATTR_EGRESS, attr,
                                   "Egress is not supported");
                return -rte_errno;
        }
-       if (attr->transfer != 0) {
-               rte_flow_error_set(error, ENOTSUP,
-                                  RTE_FLOW_ERROR_TYPE_ATTR_TRANSFER, attr,
-                                  "Transfer is not supported");
-               return -rte_errno;
-       }
        if (attr->ingress == 0) {
                rte_flow_error_set(error, ENOTSUP,
                                   RTE_FLOW_ERROR_TYPE_ATTR_INGRESS, attr,
-                                  "Only ingress is supported");
+                                  "Ingress is compulsory");
                return -rte_errno;
        }
-
-       flow->spec.template.efs_flags |= EFX_FILTER_FLAG_RX;
-       flow->spec.template.efs_rss_context = EFX_RSS_CONTEXT_DEFAULT;
+       if (attr->transfer == 0) {
+               if (attr->priority != 0) {
+                       rte_flow_error_set(error, ENOTSUP,
+                                          RTE_FLOW_ERROR_TYPE_ATTR_PRIORITY,
+                                          attr, "Priorities are unsupported");
+                       return -rte_errno;
+               }
+               spec->type = SFC_FLOW_SPEC_FILTER;
+               spec_filter->template.efs_flags |= EFX_FILTER_FLAG_RX;
+               spec_filter->template.efs_rss_context = EFX_RSS_CONTEXT_DEFAULT;
+               spec_filter->template.efs_priority = EFX_FILTER_PRI_MANUAL;
+       } else {
+               if (mae->status != SFC_MAE_STATUS_SUPPORTED) {
+                       rte_flow_error_set(error, ENOTSUP,
+                                          RTE_FLOW_ERROR_TYPE_ATTR_TRANSFER,
+                                          attr, "Transfer is not supported");
+                       return -rte_errno;
+               }
+               if (attr->priority > mae->nb_action_rule_prios_max) {
+                       rte_flow_error_set(error, ENOTSUP,
+                                          RTE_FLOW_ERROR_TYPE_ATTR_PRIORITY,
+                                          attr, "Unsupported priority level");
+                       return -rte_errno;
+               }
+               spec->type = SFC_FLOW_SPEC_MAE;
+               spec_mae->priority = attr->priority;
+               spec_mae->match_spec = NULL;
+               spec_mae->action_set = NULL;
+               spec_mae->rule_id.id = EFX_MAE_RSRC_ID_INVALID;
+       }
 
        return 0;
 }
 
 /* Get item from array sfc_flow_items */
 static const struct sfc_flow_item *
-sfc_flow_get_item(enum rte_flow_item_type type)
+sfc_flow_get_item(const struct sfc_flow_item *items,
+                 unsigned int nb_items,
+                 enum rte_flow_item_type type)
 {
        unsigned int i;
 
-       for (i = 0; i < RTE_DIM(sfc_flow_items); i++)
-               if (sfc_flow_items[i].type == type)
-                       return &sfc_flow_items[i];
+       for (i = 0; i < nb_items; i++)
+               if (items[i].type == type)
+                       return &items[i];
 
        return NULL;
 }
 
-static int
-sfc_flow_parse_pattern(const struct rte_flow_item pattern[],
-                      struct rte_flow *flow,
+int
+sfc_flow_parse_pattern(const struct sfc_flow_item *flow_items,
+                      unsigned int nb_flow_items,
+                      const struct rte_flow_item pattern[],
+                      struct sfc_flow_parse_ctx *parse_ctx,
                       struct rte_flow_error *error)
 {
        int rc;
@@ -1168,7 +1316,8 @@ sfc_flow_parse_pattern(const struct rte_flow_item pattern[],
        }
 
        for (; pattern->type != RTE_FLOW_ITEM_TYPE_END; pattern++) {
-               item = sfc_flow_get_item(pattern->type);
+               item = sfc_flow_get_item(flow_items, nb_flow_items,
+                                        pattern->type);
                if (item == NULL) {
                        rte_flow_error_set(error, ENOTSUP,
                                           RTE_FLOW_ERROR_TYPE_ITEM, pattern,
@@ -1212,7 +1361,8 @@ sfc_flow_parse_pattern(const struct rte_flow_item pattern[],
                        break;
 
                default:
-                       if (is_ifrm) {
+                       if (parse_ctx->type == SFC_FLOW_PARSE_CTX_FILTER &&
+                           is_ifrm) {
                                rte_flow_error_set(error, EINVAL,
                                        RTE_FLOW_ERROR_TYPE_ITEM,
                                        pattern,
@@ -1223,7 +1373,14 @@ sfc_flow_parse_pattern(const struct rte_flow_item pattern[],
                        break;
                }
 
-               rc = item->parse(pattern, &flow->spec.template, error);
+               if (parse_ctx->type != item->ctx_type) {
+                       rte_flow_error_set(error, EINVAL,
+                                       RTE_FLOW_ERROR_TYPE_ITEM, pattern,
+                                       "Parse context type mismatch");
+                       return -rte_errno;
+               }
+
+               rc = item->parse(pattern, parse_ctx, error);
                if (rc != 0)
                        return rc;
 
@@ -1239,13 +1396,20 @@ sfc_flow_parse_queue(struct sfc_adapter *sa,
                     const struct rte_flow_action_queue *queue,
                     struct rte_flow *flow)
 {
+       struct sfc_flow_spec *spec = &flow->spec;
+       struct sfc_flow_spec_filter *spec_filter = &spec->filter;
        struct sfc_rxq *rxq;
+       struct sfc_rxq_info *rxq_info;
 
-       if (queue->index >= sfc_sa2shared(sa)->rxq_count)
+       if (queue->index >= sfc_sa2shared(sa)->ethdev_rxq_count)
                return -EINVAL;
 
-       rxq = &sa->rxq_ctrl[queue->index];
-       flow->spec.template.efs_dmaq_id = (uint16_t)rxq->hw_index;
+       rxq = sfc_rxq_ctrl_by_ethdev_qid(sa, queue->index);
+       spec_filter->template.efs_dmaq_id = (uint16_t)rxq->hw_index;
+
+       rxq_info = &sfc_sa2shared(sa)->rxq_info[queue->index];
+       spec_filter->rss_hash_required = !!(rxq_info->rxq_flags &
+                                           SFC_RXQ_FLAG_RSS_HASH);
 
        return 0;
 }
@@ -1257,30 +1421,33 @@ sfc_flow_parse_rss(struct sfc_adapter *sa,
 {
        struct sfc_adapter_shared * const sas = sfc_sa2shared(sa);
        struct sfc_rss *rss = &sas->rss;
-       unsigned int rxq_sw_index;
+       sfc_ethdev_qid_t ethdev_qid;
        struct sfc_rxq *rxq;
        unsigned int rxq_hw_index_min;
        unsigned int rxq_hw_index_max;
        efx_rx_hash_type_t efx_hash_types;
        const uint8_t *rss_key;
-       struct sfc_flow_rss *sfc_rss_conf = &flow->rss_conf;
+       struct sfc_flow_spec *spec = &flow->spec;
+       struct sfc_flow_spec_filter *spec_filter = &spec->filter;
+       struct sfc_flow_rss *sfc_rss_conf = &spec_filter->rss_conf;
        unsigned int i;
 
        if (action_rss->queue_num == 0)
                return -EINVAL;
 
-       rxq_sw_index = sfc_sa2shared(sa)->rxq_count - 1;
-       rxq = &sa->rxq_ctrl[rxq_sw_index];
+       ethdev_qid = sfc_sa2shared(sa)->ethdev_rxq_count - 1;
+       rxq = sfc_rxq_ctrl_by_ethdev_qid(sa, ethdev_qid);
        rxq_hw_index_min = rxq->hw_index;
        rxq_hw_index_max = 0;
 
        for (i = 0; i < action_rss->queue_num; ++i) {
-               rxq_sw_index = action_rss->queue[i];
+               ethdev_qid = action_rss->queue[i];
 
-               if (rxq_sw_index >= sfc_sa2shared(sa)->rxq_count)
+               if ((unsigned int)ethdev_qid >=
+                   sfc_sa2shared(sa)->ethdev_rxq_count)
                        return -EINVAL;
 
-               rxq = &sa->rxq_ctrl[rxq_sw_index];
+               rxq = sfc_rxq_ctrl_by_ethdev_qid(sa, ethdev_qid);
 
                if (rxq->hw_index < rxq_hw_index_min)
                        rxq_hw_index_min = rxq->hw_index;
@@ -1307,7 +1474,7 @@ sfc_flow_parse_rss(struct sfc_adapter *sa,
         */
        if (action_rss->queue_num == 1 && action_rss->types == 0 &&
            action_rss->key_len == 0) {
-               flow->spec.template.efs_dmaq_id = rxq_hw_index_min;
+               spec_filter->template.efs_dmaq_id = rxq_hw_index_min;
                return 0;
        }
 
@@ -1335,7 +1502,7 @@ sfc_flow_parse_rss(struct sfc_adapter *sa,
                rss_key = rss->key;
        }
 
-       flow->rss = B_TRUE;
+       spec_filter->rss = B_TRUE;
 
        sfc_rss_conf->rxq_hw_index_min = rxq_hw_index_min;
        sfc_rss_conf->rxq_hw_index_max = rxq_hw_index_max;
@@ -1344,9 +1511,10 @@ sfc_flow_parse_rss(struct sfc_adapter *sa,
 
        for (i = 0; i < RTE_DIM(sfc_rss_conf->rss_tbl); ++i) {
                unsigned int nb_queues = action_rss->queue_num;
-               unsigned int rxq_sw_index = action_rss->queue[i % nb_queues];
-               struct sfc_rxq *rxq = &sa->rxq_ctrl[rxq_sw_index];
+               struct sfc_rxq *rxq;
 
+               ethdev_qid = action_rss->queue[i % nb_queues];
+               rxq = sfc_rxq_ctrl_by_ethdev_qid(sa, ethdev_qid);
                sfc_rss_conf->rss_tbl[i] = rxq->hw_index - rxq_hw_index_min;
        }
 
@@ -1357,13 +1525,14 @@ static int
 sfc_flow_spec_flush(struct sfc_adapter *sa, struct sfc_flow_spec *spec,
                    unsigned int filters_count)
 {
+       struct sfc_flow_spec_filter *spec_filter = &spec->filter;
        unsigned int i;
        int ret = 0;
 
        for (i = 0; i < filters_count; i++) {
                int rc;
 
-               rc = efx_filter_remove(sa->nic, &spec->filters[i]);
+               rc = efx_filter_remove(sa->nic, &spec_filter->filters[i]);
                if (ret == 0 && rc != 0) {
                        sfc_err(sa, "failed to remove filter specification "
                                "(rc = %d)", rc);
@@ -1377,11 +1546,12 @@ sfc_flow_spec_flush(struct sfc_adapter *sa, struct sfc_flow_spec *spec,
 static int
 sfc_flow_spec_insert(struct sfc_adapter *sa, struct sfc_flow_spec *spec)
 {
+       struct sfc_flow_spec_filter *spec_filter = &spec->filter;
        unsigned int i;
        int rc = 0;
 
-       for (i = 0; i < spec->count; i++) {
-               rc = efx_filter_insert(sa->nic, &spec->filters[i]);
+       for (i = 0; i < spec_filter->count; i++) {
+               rc = efx_filter_insert(sa->nic, &spec_filter->filters[i]);
                if (rc != 0) {
                        sfc_flow_spec_flush(sa, spec, i);
                        break;
@@ -1394,7 +1564,9 @@ sfc_flow_spec_insert(struct sfc_adapter *sa, struct sfc_flow_spec *spec)
 static int
 sfc_flow_spec_remove(struct sfc_adapter *sa, struct sfc_flow_spec *spec)
 {
-       return sfc_flow_spec_flush(sa, spec, spec->count);
+       struct sfc_flow_spec_filter *spec_filter = &spec->filter;
+
+       return sfc_flow_spec_flush(sa, spec, spec_filter->count);
 }
 
 static int
@@ -1403,15 +1575,37 @@ sfc_flow_filter_insert(struct sfc_adapter *sa,
 {
        struct sfc_adapter_shared * const sas = sfc_sa2shared(sa);
        struct sfc_rss *rss = &sas->rss;
-       struct sfc_flow_rss *flow_rss = &flow->rss_conf;
+       struct sfc_flow_spec_filter *spec_filter = &flow->spec.filter;
+       struct sfc_flow_rss *flow_rss = &spec_filter->rss_conf;
        uint32_t efs_rss_context = EFX_RSS_CONTEXT_DEFAULT;
+       boolean_t create_context;
        unsigned int i;
        int rc = 0;
 
-       if (flow->rss) {
-               unsigned int rss_spread = MIN(flow_rss->rxq_hw_index_max -
-                                             flow_rss->rxq_hw_index_min + 1,
-                                             EFX_MAXRSS);
+       create_context = spec_filter->rss || (spec_filter->rss_hash_required &&
+                       rss->dummy_rss_context == EFX_RSS_CONTEXT_DEFAULT);
+
+       if (create_context) {
+               unsigned int rss_spread;
+               unsigned int rss_hash_types;
+               uint8_t *rss_key;
+
+               if (spec_filter->rss) {
+                       rss_spread = MIN(flow_rss->rxq_hw_index_max -
+                                       flow_rss->rxq_hw_index_min + 1,
+                                       EFX_MAXRSS);
+                       rss_hash_types = flow_rss->rss_hash_types;
+                       rss_key = flow_rss->rss_key;
+               } else {
+                       /*
+                        * Initialize dummy RSS context parameters to have
+                        * valid RSS hash. Use default RSS hash function and
+                        * key.
+                        */
+                       rss_spread = 1;
+                       rss_hash_types = rss->hash_types;
+                       rss_key = rss->key;
+               }
 
                rc = efx_rx_scale_context_alloc(sa->nic,
                                                EFX_RX_SCALE_EXCLUSIVE,
@@ -1422,28 +1616,32 @@ sfc_flow_filter_insert(struct sfc_adapter *sa,
 
                rc = efx_rx_scale_mode_set(sa->nic, efs_rss_context,
                                           rss->hash_alg,
-                                          flow_rss->rss_hash_types, B_TRUE);
+                                          rss_hash_types, B_TRUE);
                if (rc != 0)
                        goto fail_scale_mode_set;
 
                rc = efx_rx_scale_key_set(sa->nic, efs_rss_context,
-                                         flow_rss->rss_key,
-                                         sizeof(rss->key));
+                                         rss_key, sizeof(rss->key));
                if (rc != 0)
                        goto fail_scale_key_set;
+       } else {
+               efs_rss_context = rss->dummy_rss_context;
+       }
 
+       if (spec_filter->rss || spec_filter->rss_hash_required) {
                /*
                 * At this point, fully elaborated filter specifications
                 * have been produced from the template. To make sure that
                 * RSS behaviour is consistent between them, set the same
                 * RSS context value everywhere.
                 */
-               for (i = 0; i < flow->spec.count; i++) {
-                       efx_filter_spec_t *spec = &flow->spec.filters[i];
+               for (i = 0; i < spec_filter->count; i++) {
+                       efx_filter_spec_t *spec = &spec_filter->filters[i];
 
                        spec->efs_rss_context = efs_rss_context;
-                       spec->efs_dmaq_id = flow_rss->rxq_hw_index_min;
                        spec->efs_flags |= EFX_FILTER_FLAG_RX_RSS;
+                       if (spec_filter->rss)
+                               spec->efs_dmaq_id = flow_rss->rxq_hw_index_min;
                }
        }
 
@@ -1451,7 +1649,12 @@ sfc_flow_filter_insert(struct sfc_adapter *sa,
        if (rc != 0)
                goto fail_filter_insert;
 
-       if (flow->rss) {
+       if (create_context) {
+               unsigned int dummy_tbl[RTE_DIM(flow_rss->rss_tbl)] = {0};
+               unsigned int *tbl;
+
+               tbl = spec_filter->rss ? flow_rss->rss_tbl : dummy_tbl;
+
                /*
                 * Scale table is set after filter insertion because
                 * the table entries are relative to the base RxQ ID
@@ -1461,10 +1664,13 @@ sfc_flow_filter_insert(struct sfc_adapter *sa,
                 * the table entries, and the operation will succeed
                 */
                rc = efx_rx_scale_tbl_set(sa->nic, efs_rss_context,
-                                         flow_rss->rss_tbl,
-                                         RTE_DIM(flow_rss->rss_tbl));
+                                         tbl, RTE_DIM(flow_rss->rss_tbl));
                if (rc != 0)
                        goto fail_scale_tbl_set;
+
+               /* Remember created dummy RSS context */
+               if (!spec_filter->rss)
+                       rss->dummy_rss_context = efs_rss_context;
        }
 
        return 0;
@@ -1475,7 +1681,7 @@ fail_scale_tbl_set:
 fail_filter_insert:
 fail_scale_key_set:
 fail_scale_mode_set:
-       if (efs_rss_context != EFX_RSS_CONTEXT_DEFAULT)
+       if (create_context)
                efx_rx_scale_context_free(sa->nic, efs_rss_context);
 
 fail_scale_context_alloc:
@@ -1486,19 +1692,20 @@ static int
 sfc_flow_filter_remove(struct sfc_adapter *sa,
                       struct rte_flow *flow)
 {
+       struct sfc_flow_spec_filter *spec_filter = &flow->spec.filter;
        int rc = 0;
 
        rc = sfc_flow_spec_remove(sa, &flow->spec);
        if (rc != 0)
                return rc;
 
-       if (flow->rss) {
+       if (spec_filter->rss) {
                /*
                 * All specifications for a given flow rule have the same RSS
                 * context, so that RSS context value is taken from the first
                 * filter specification
                 */
-               efx_filter_spec_t *spec = &flow->spec.filters[0];
+               efx_filter_spec_t *spec = &spec_filter->filters[0];
 
                rc = efx_rx_scale_context_free(sa->nic, spec->efs_rss_context);
        }
@@ -1511,13 +1718,15 @@ sfc_flow_parse_mark(struct sfc_adapter *sa,
                    const struct rte_flow_action_mark *mark,
                    struct rte_flow *flow)
 {
+       struct sfc_flow_spec *spec = &flow->spec;
+       struct sfc_flow_spec_filter *spec_filter = &spec->filter;
        const efx_nic_cfg_t *encp = efx_nic_cfg_get(sa->nic);
 
        if (mark == NULL || mark->id > encp->enc_filter_action_mark_max)
                return EINVAL;
 
-       flow->spec.template.efs_flags |= EFX_FILTER_FLAG_ACTION_MARK;
-       flow->spec.template.efs_mark = mark->id;
+       spec_filter->template.efs_flags |= EFX_FILTER_FLAG_ACTION_MARK;
+       spec_filter->template.efs_mark = mark->id;
 
        return 0;
 }
@@ -1529,6 +1738,8 @@ sfc_flow_parse_actions(struct sfc_adapter *sa,
                       struct rte_flow_error *error)
 {
        int rc;
+       struct sfc_flow_spec *spec = &flow->spec;
+       struct sfc_flow_spec_filter *spec_filter = &spec->filter;
        const unsigned int dp_rx_features = sa->priv.dp_rx->features;
        uint32_t actions_set = 0;
        const uint32_t fate_actions_mask = (1UL << RTE_FLOW_ACTION_TYPE_QUEUE) |
@@ -1544,9 +1755,6 @@ sfc_flow_parse_actions(struct sfc_adapter *sa,
                return -rte_errno;
        }
 
-#define SFC_BUILD_SET_OVERFLOW(_action, _set) \
-       RTE_BUILD_BUG_ON(_action >= sizeof(_set) * CHAR_BIT)
-
        for (; actions->type != RTE_FLOW_ACTION_TYPE_END; actions++) {
                switch (actions->type) {
                case RTE_FLOW_ACTION_TYPE_VOID:
@@ -1590,7 +1798,7 @@ sfc_flow_parse_actions(struct sfc_adapter *sa,
                        if ((actions_set & fate_actions_mask) != 0)
                                goto fail_fate_actions;
 
-                       flow->spec.template.efs_dmaq_id =
+                       spec_filter->template.efs_dmaq_id =
                                EFX_FILTER_SPEC_RX_DMAQ_ID_DROP;
                        break;
 
@@ -1607,7 +1815,7 @@ sfc_flow_parse_actions(struct sfc_adapter *sa,
                                return -rte_errno;
                        }
 
-                       flow->spec.template.efs_flags |=
+                       spec_filter->template.efs_flags |=
                                EFX_FILTER_FLAG_ACTION_FLAG;
                        break;
 
@@ -1642,11 +1850,10 @@ sfc_flow_parse_actions(struct sfc_adapter *sa,
 
                actions_set |= (1UL << actions->type);
        }
-#undef SFC_BUILD_SET_OVERFLOW
 
        /* When fate is unknown, drop traffic. */
        if ((actions_set & fate_actions_mask) == 0) {
-               flow->spec.template.efs_dmaq_id =
+               spec_filter->template.efs_dmaq_id =
                        EFX_FILTER_SPEC_RX_DMAQ_ID_DROP;
        }
 
@@ -1683,12 +1890,13 @@ sfc_flow_set_unknown_dst_flags(struct sfc_flow_spec *spec,
                               struct rte_flow_error *error)
 {
        unsigned int i;
+       struct sfc_flow_spec_filter *spec_filter = &spec->filter;
        static const efx_filter_match_flags_t vals[] = {
                EFX_FILTER_MATCH_UNKNOWN_UCAST_DST,
                EFX_FILTER_MATCH_UNKNOWN_MCAST_DST
        };
 
-       if (filters_count_for_one_val * RTE_DIM(vals) != spec->count) {
+       if (filters_count_for_one_val * RTE_DIM(vals) != spec_filter->count) {
                rte_flow_error_set(error, EINVAL,
                        RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
                        "Number of specifications is incorrect while copying "
@@ -1696,9 +1904,9 @@ sfc_flow_set_unknown_dst_flags(struct sfc_flow_spec *spec,
                return -rte_errno;
        }
 
-       for (i = 0; i < spec->count; i++) {
+       for (i = 0; i < spec_filter->count; i++) {
                /* The check above ensures that divisor can't be zero here */
-               spec->filters[i].efs_match_flags |=
+               spec_filter->filters[i].efs_match_flags |=
                        vals[i / filters_count_for_one_val];
        }
 
@@ -1757,11 +1965,12 @@ sfc_flow_set_ethertypes(struct sfc_flow_spec *spec,
                        struct rte_flow_error *error)
 {
        unsigned int i;
+       struct sfc_flow_spec_filter *spec_filter = &spec->filter;
        static const uint16_t vals[] = {
                EFX_ETHER_TYPE_IPV4, EFX_ETHER_TYPE_IPV6
        };
 
-       if (filters_count_for_one_val * RTE_DIM(vals) != spec->count) {
+       if (filters_count_for_one_val * RTE_DIM(vals) != spec_filter->count) {
                rte_flow_error_set(error, EINVAL,
                        RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
                        "Number of specifications is incorrect "
@@ -1769,15 +1978,15 @@ sfc_flow_set_ethertypes(struct sfc_flow_spec *spec,
                return -rte_errno;
        }
 
-       for (i = 0; i < spec->count; i++) {
-               spec->filters[i].efs_match_flags |=
+       for (i = 0; i < spec_filter->count; i++) {
+               spec_filter->filters[i].efs_match_flags |=
                        EFX_FILTER_MATCH_ETHER_TYPE;
 
                /*
                 * The check above ensures that
                 * filters_count_for_one_val is not 0
                 */
-               spec->filters[i].efs_ether_type =
+               spec_filter->filters[i].efs_ether_type =
                        vals[i / filters_count_for_one_val];
        }
 
@@ -1801,9 +2010,10 @@ sfc_flow_set_outer_vid_flag(struct sfc_flow_spec *spec,
                            unsigned int filters_count_for_one_val,
                            struct rte_flow_error *error)
 {
+       struct sfc_flow_spec_filter *spec_filter = &spec->filter;
        unsigned int i;
 
-       if (filters_count_for_one_val != spec->count) {
+       if (filters_count_for_one_val != spec_filter->count) {
                rte_flow_error_set(error, EINVAL,
                        RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
                        "Number of specifications is incorrect "
@@ -1811,11 +2021,11 @@ sfc_flow_set_outer_vid_flag(struct sfc_flow_spec *spec,
                return -rte_errno;
        }
 
-       for (i = 0; i < spec->count; i++) {
-               spec->filters[i].efs_match_flags |=
+       for (i = 0; i < spec_filter->count; i++) {
+               spec_filter->filters[i].efs_match_flags |=
                        EFX_FILTER_MATCH_OUTER_VID;
 
-               spec->filters[i].efs_outer_vid = 0;
+               spec_filter->filters[i].efs_outer_vid = 0;
        }
 
        return 0;
@@ -1840,12 +2050,13 @@ sfc_flow_set_ifrm_unknown_dst_flags(struct sfc_flow_spec *spec,
                                    struct rte_flow_error *error)
 {
        unsigned int i;
+       struct sfc_flow_spec_filter *spec_filter = &spec->filter;
        static const efx_filter_match_flags_t vals[] = {
                EFX_FILTER_MATCH_IFRM_UNKNOWN_UCAST_DST,
                EFX_FILTER_MATCH_IFRM_UNKNOWN_MCAST_DST
        };
 
-       if (filters_count_for_one_val * RTE_DIM(vals) != spec->count) {
+       if (filters_count_for_one_val * RTE_DIM(vals) != spec_filter->count) {
                rte_flow_error_set(error, EINVAL,
                        RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
                        "Number of specifications is incorrect while copying "
@@ -1853,9 +2064,9 @@ sfc_flow_set_ifrm_unknown_dst_flags(struct sfc_flow_spec *spec,
                return -rte_errno;
        }
 
-       for (i = 0; i < spec->count; i++) {
+       for (i = 0; i < spec_filter->count; i++) {
                /* The check above ensures that divisor can't be zero here */
-               spec->filters[i].efs_match_flags |=
+               spec_filter->filters[i].efs_match_flags |=
                        vals[i / filters_count_for_one_val];
        }
 
@@ -1999,6 +2210,7 @@ sfc_flow_spec_add_match_flag(struct sfc_flow_spec *spec,
        unsigned int new_filters_count;
        unsigned int filters_count_for_one_val;
        const struct sfc_flow_copy_flag *copy_flag;
+       struct sfc_flow_spec_filter *spec_filter = &spec->filter;
        int rc;
 
        copy_flag = sfc_flow_get_copy_flag(flag);
@@ -2009,7 +2221,7 @@ sfc_flow_spec_add_match_flag(struct sfc_flow_spec *spec,
                return -rte_errno;
        }
 
-       new_filters_count = spec->count * copy_flag->vals_count;
+       new_filters_count = spec_filter->count * copy_flag->vals_count;
        if (new_filters_count > SF_FLOW_SPEC_NB_FILTERS_MAX) {
                rte_flow_error_set(error, EINVAL,
                        RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
@@ -2018,11 +2230,13 @@ sfc_flow_spec_add_match_flag(struct sfc_flow_spec *spec,
        }
 
        /* Copy filters specifications */
-       for (i = spec->count; i < new_filters_count; i++)
-               spec->filters[i] = spec->filters[i - spec->count];
+       for (i = spec_filter->count; i < new_filters_count; i++) {
+               spec_filter->filters[i] =
+                       spec_filter->filters[i - spec_filter->count];
+       }
 
-       filters_count_for_one_val = spec->count;
-       spec->count = new_filters_count;
+       filters_count_for_one_val = spec_filter->count;
+       spec_filter->count = new_filters_count;
 
        rc = copy_flag->set_vals(spec, filters_count_for_one_val, error);
        if (rc != 0)
@@ -2097,6 +2311,7 @@ sfc_flow_spec_filters_complete(struct sfc_adapter *sa,
                               struct sfc_flow_spec *spec,
                               struct rte_flow_error *error)
 {
+       struct sfc_flow_spec_filter *spec_filter = &spec->filter;
        struct sfc_filter *filter = &sa->filter;
        efx_filter_match_flags_t miss_flags;
        efx_filter_match_flags_t min_miss_flags = 0;
@@ -2106,12 +2321,12 @@ sfc_flow_spec_filters_complete(struct sfc_adapter *sa,
        unsigned int i;
        int rc;
 
-       match = spec->template.efs_match_flags;
+       match = spec_filter->template.efs_match_flags;
        for (i = 0; i < filter->supported_match_num; i++) {
                if ((match & filter->supported_match[i]) == match) {
                        miss_flags = filter->supported_match[i] & (~match);
                        multiplier = sfc_flow_check_missing_flags(miss_flags,
-                               &spec->template, filter);
+                               &spec_filter->template, filter);
                        if (multiplier > 0) {
                                if (multiplier <= min_multiplier) {
                                        min_multiplier = multiplier;
@@ -2185,16 +2400,17 @@ sfc_flow_is_match_flags_exception(struct sfc_filter *filter,
        uint16_t ether_type;
        uint8_t ip_proto;
        efx_filter_match_flags_t match_flags;
+       struct sfc_flow_spec_filter *spec_filter = &spec->filter;
 
-       for (i = 0; i < spec->count; i++) {
-               match_flags = spec->filters[i].efs_match_flags;
+       for (i = 0; i < spec_filter->count; i++) {
+               match_flags = spec_filter->filters[i].efs_match_flags;
 
                if (sfc_flow_is_match_with_vids(match_flags,
                                                EFX_FILTER_MATCH_ETHER_TYPE) ||
                    sfc_flow_is_match_with_vids(match_flags,
                                                EFX_FILTER_MATCH_ETHER_TYPE |
                                                EFX_FILTER_MATCH_LOC_MAC)) {
-                       ether_type = spec->filters[i].efs_ether_type;
+                       ether_type = spec_filter->filters[i].efs_ether_type;
                        if (filter->supports_ip_proto_or_addr_filter &&
                            (ether_type == EFX_ETHER_TYPE_IPV4 ||
                             ether_type == EFX_ETHER_TYPE_IPV6))
@@ -2206,7 +2422,7 @@ sfc_flow_is_match_flags_exception(struct sfc_filter *filter,
                                EFX_FILTER_MATCH_ETHER_TYPE |
                                EFX_FILTER_MATCH_IP_PROTO |
                                EFX_FILTER_MATCH_LOC_MAC)) {
-                       ip_proto = spec->filters[i].efs_ip_proto;
+                       ip_proto = spec_filter->filters[i].efs_ip_proto;
                        if (filter->supports_rem_or_local_port_filter &&
                            (ip_proto == EFX_IPPROTO_TCP ||
                             ip_proto == EFX_IPPROTO_UDP))
@@ -2222,13 +2438,15 @@ sfc_flow_validate_match_flags(struct sfc_adapter *sa,
                              struct rte_flow *flow,
                              struct rte_flow_error *error)
 {
-       efx_filter_spec_t *spec_tmpl = &flow->spec.template;
+       struct sfc_flow_spec *spec = &flow->spec;
+       struct sfc_flow_spec_filter *spec_filter = &spec->filter;
+       efx_filter_spec_t *spec_tmpl = &spec_filter->template;
        efx_filter_match_flags_t match_flags = spec_tmpl->efs_match_flags;
        int rc;
 
        /* Initialize the first filter spec with template */
-       flow->spec.filters[0] = *spec_tmpl;
-       flow->spec.count = 1;
+       spec_filter->filters[0] = *spec_tmpl;
+       spec_filter->count = 1;
 
        if (!sfc_filter_is_match_supported(sa, match_flags)) {
                rc = sfc_flow_spec_filters_complete(sa, &flow->spec, error);
@@ -2247,21 +2465,23 @@ sfc_flow_validate_match_flags(struct sfc_adapter *sa,
 }
 
 static int
-sfc_flow_parse(struct rte_eth_dev *dev,
-              const struct rte_flow_attr *attr,
-              const struct rte_flow_item pattern[],
-              const struct rte_flow_action actions[],
-              struct rte_flow *flow,
-              struct rte_flow_error *error)
+sfc_flow_parse_rte_to_filter(struct rte_eth_dev *dev,
+                            const struct rte_flow_item pattern[],
+                            const struct rte_flow_action actions[],
+                            struct rte_flow *flow,
+                            struct rte_flow_error *error)
 {
-       struct sfc_adapter *sa = dev->data->dev_private;
+       struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
+       struct sfc_flow_spec *spec = &flow->spec;
+       struct sfc_flow_spec_filter *spec_filter = &spec->filter;
+       struct sfc_flow_parse_ctx ctx;
        int rc;
 
-       rc = sfc_flow_parse_attr(attr, flow, error);
-       if (rc != 0)
-               goto fail_bad_value;
+       ctx.type = SFC_FLOW_PARSE_CTX_FILTER;
+       ctx.filter = &spec_filter->template;
 
-       rc = sfc_flow_parse_pattern(pattern, flow, error);
+       rc = sfc_flow_parse_pattern(sfc_flow_items, RTE_DIM(sfc_flow_items),
+                                   pattern, &ctx, error);
        if (rc != 0)
                goto fail_bad_value;
 
@@ -2279,6 +2499,161 @@ fail_bad_value:
        return rc;
 }
 
+static int
+sfc_flow_parse_rte_to_mae(struct rte_eth_dev *dev,
+                         const struct rte_flow_item pattern[],
+                         const struct rte_flow_action actions[],
+                         struct rte_flow *flow,
+                         struct rte_flow_error *error)
+{
+       struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
+       struct sfc_flow_spec *spec = &flow->spec;
+       struct sfc_flow_spec_mae *spec_mae = &spec->mae;
+       int rc;
+
+       rc = sfc_mae_rule_parse_pattern(sa, pattern, spec_mae, error);
+       if (rc != 0)
+               return rc;
+
+       rc = sfc_mae_rule_parse_actions(sa, actions, spec_mae, error);
+       if (rc != 0)
+               return rc;
+
+       return 0;
+}
+
+static int
+sfc_flow_parse(struct rte_eth_dev *dev,
+              const struct rte_flow_attr *attr,
+              const struct rte_flow_item pattern[],
+              const struct rte_flow_action actions[],
+              struct rte_flow *flow,
+              struct rte_flow_error *error)
+{
+       struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
+       const struct sfc_flow_ops_by_spec *ops;
+       int rc;
+
+       rc = sfc_flow_parse_attr(sa, attr, flow, error);
+       if (rc != 0)
+               return rc;
+
+       ops = sfc_flow_get_ops_by_spec(flow);
+       if (ops == NULL || ops->parse == NULL) {
+               rte_flow_error_set(error, ENOTSUP,
+                                  RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
+                                  "No backend to handle this flow");
+               return -rte_errno;
+       }
+
+       return ops->parse(dev, pattern, actions, flow, error);
+}
+
+static struct rte_flow *
+sfc_flow_zmalloc(struct rte_flow_error *error)
+{
+       struct rte_flow *flow;
+
+       flow = rte_zmalloc("sfc_rte_flow", sizeof(*flow), 0);
+       if (flow == NULL) {
+               rte_flow_error_set(error, ENOMEM,
+                                  RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
+                                  "Failed to allocate memory");
+       }
+
+       return flow;
+}
+
+static void
+sfc_flow_free(struct sfc_adapter *sa, struct rte_flow *flow)
+{
+       const struct sfc_flow_ops_by_spec *ops;
+
+       ops = sfc_flow_get_ops_by_spec(flow);
+       if (ops != NULL && ops->cleanup != NULL)
+               ops->cleanup(sa, flow);
+
+       rte_free(flow);
+}
+
+static int
+sfc_flow_insert(struct sfc_adapter *sa, struct rte_flow *flow,
+               struct rte_flow_error *error)
+{
+       const struct sfc_flow_ops_by_spec *ops;
+       int rc;
+
+       ops = sfc_flow_get_ops_by_spec(flow);
+       if (ops == NULL || ops->insert == NULL) {
+               rte_flow_error_set(error, ENOTSUP,
+                                  RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
+                                  "No backend to handle this flow");
+               return rte_errno;
+       }
+
+       rc = ops->insert(sa, flow);
+       if (rc != 0) {
+               rte_flow_error_set(error, rc, RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
+                                  NULL, "Failed to insert the flow rule");
+       }
+
+       return rc;
+}
+
+static int
+sfc_flow_remove(struct sfc_adapter *sa, struct rte_flow *flow,
+               struct rte_flow_error *error)
+{
+       const struct sfc_flow_ops_by_spec *ops;
+       int rc;
+
+       ops = sfc_flow_get_ops_by_spec(flow);
+       if (ops == NULL || ops->remove == NULL) {
+               rte_flow_error_set(error, ENOTSUP,
+                                  RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
+                                  "No backend to handle this flow");
+               return rte_errno;
+       }
+
+       rc = ops->remove(sa, flow);
+       if (rc != 0) {
+               rte_flow_error_set(error, rc, RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
+                                  NULL, "Failed to remove the flow rule");
+       }
+
+       return rc;
+}
+
+static int
+sfc_flow_verify(struct sfc_adapter *sa, struct rte_flow *flow,
+               struct rte_flow_error *error)
+{
+       const struct sfc_flow_ops_by_spec *ops;
+       int rc = 0;
+
+       ops = sfc_flow_get_ops_by_spec(flow);
+       if (ops == NULL) {
+               rte_flow_error_set(error, ENOTSUP,
+                                  RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
+                                  "No backend to handle this flow");
+               return -rte_errno;
+       }
+
+       if (ops->verify != NULL) {
+               SFC_ASSERT(sfc_adapter_is_locked(sa));
+               rc = ops->verify(sa, flow);
+       }
+
+       if (rc != 0) {
+               rte_flow_error_set(error, rc,
+                       RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
+                       "Failed to verify flow validity with FW");
+               return -rte_errno;
+       }
+
+       return 0;
+}
+
 static int
 sfc_flow_validate(struct rte_eth_dev *dev,
                  const struct rte_flow_attr *attr,
@@ -2286,11 +2661,25 @@ sfc_flow_validate(struct rte_eth_dev *dev,
                  const struct rte_flow_action actions[],
                  struct rte_flow_error *error)
 {
-       struct rte_flow flow;
+       struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
+       struct rte_flow *flow;
+       int rc;
+
+       flow = sfc_flow_zmalloc(error);
+       if (flow == NULL)
+               return -rte_errno;
+
+       sfc_adapter_lock(sa);
+
+       rc = sfc_flow_parse(dev, attr, pattern, actions, flow, error);
+       if (rc == 0)
+               rc = sfc_flow_verify(sa, flow, error);
 
-       memset(&flow, 0, sizeof(flow));
+       sfc_flow_free(sa, flow);
 
-       return sfc_flow_parse(dev, attr, pattern, actions, &flow, error);
+       sfc_adapter_unlock(sa);
+
+       return rc;
 }
 
 static struct rte_flow *
@@ -2300,86 +2689,55 @@ sfc_flow_create(struct rte_eth_dev *dev,
                const struct rte_flow_action actions[],
                struct rte_flow_error *error)
 {
-       struct sfc_adapter *sa = dev->data->dev_private;
+       struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
        struct rte_flow *flow = NULL;
        int rc;
 
-       flow = rte_zmalloc("sfc_rte_flow", sizeof(*flow), 0);
-       if (flow == NULL) {
-               rte_flow_error_set(error, ENOMEM,
-                                  RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
-                                  "Failed to allocate memory");
+       flow = sfc_flow_zmalloc(error);
+       if (flow == NULL)
                goto fail_no_mem;
-       }
+
+       sfc_adapter_lock(sa);
 
        rc = sfc_flow_parse(dev, attr, pattern, actions, flow, error);
        if (rc != 0)
                goto fail_bad_value;
 
-       TAILQ_INSERT_TAIL(&sa->filter.flow_list, flow, entries);
-
-       sfc_adapter_lock(sa);
+       TAILQ_INSERT_TAIL(&sa->flow_list, flow, entries);
 
        if (sa->state == SFC_ADAPTER_STARTED) {
-               rc = sfc_flow_filter_insert(sa, flow);
-               if (rc != 0) {
-                       rte_flow_error_set(error, rc,
-                               RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
-                               "Failed to insert filter");
-                       goto fail_filter_insert;
-               }
+               rc = sfc_flow_insert(sa, flow, error);
+               if (rc != 0)
+                       goto fail_flow_insert;
        }
 
        sfc_adapter_unlock(sa);
 
        return flow;
 
-fail_filter_insert:
-       TAILQ_REMOVE(&sa->filter.flow_list, flow, entries);
+fail_flow_insert:
+       TAILQ_REMOVE(&sa->flow_list, flow, entries);
 
 fail_bad_value:
-       rte_free(flow);
+       sfc_flow_free(sa, flow);
        sfc_adapter_unlock(sa);
 
 fail_no_mem:
        return NULL;
 }
 
-static int
-sfc_flow_remove(struct sfc_adapter *sa,
-               struct rte_flow *flow,
-               struct rte_flow_error *error)
-{
-       int rc = 0;
-
-       SFC_ASSERT(sfc_adapter_is_locked(sa));
-
-       if (sa->state == SFC_ADAPTER_STARTED) {
-               rc = sfc_flow_filter_remove(sa, flow);
-               if (rc != 0)
-                       rte_flow_error_set(error, rc,
-                               RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
-                               "Failed to destroy flow rule");
-       }
-
-       TAILQ_REMOVE(&sa->filter.flow_list, flow, entries);
-       rte_free(flow);
-
-       return rc;
-}
-
 static int
 sfc_flow_destroy(struct rte_eth_dev *dev,
                 struct rte_flow *flow,
                 struct rte_flow_error *error)
 {
-       struct sfc_adapter *sa = dev->data->dev_private;
+       struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
        struct rte_flow *flow_ptr;
        int rc = EINVAL;
 
        sfc_adapter_lock(sa);
 
-       TAILQ_FOREACH(flow_ptr, &sa->filter.flow_list, entries) {
+       TAILQ_FOREACH(flow_ptr, &sa->flow_list, entries) {
                if (flow_ptr == flow)
                        rc = 0;
        }
@@ -2390,7 +2748,11 @@ sfc_flow_destroy(struct rte_eth_dev *dev,
                goto fail_bad_value;
        }
 
-       rc = sfc_flow_remove(sa, flow, error);
+       if (sa->state == SFC_ADAPTER_STARTED)
+               rc = sfc_flow_remove(sa, flow, error);
+
+       TAILQ_REMOVE(&sa->flow_list, flow, entries);
+       sfc_flow_free(sa, flow);
 
 fail_bad_value:
        sfc_adapter_unlock(sa);
@@ -2402,17 +2764,23 @@ static int
 sfc_flow_flush(struct rte_eth_dev *dev,
               struct rte_flow_error *error)
 {
-       struct sfc_adapter *sa = dev->data->dev_private;
+       struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
        struct rte_flow *flow;
-       int rc = 0;
        int ret = 0;
 
        sfc_adapter_lock(sa);
 
-       while ((flow = TAILQ_FIRST(&sa->filter.flow_list)) != NULL) {
-               rc = sfc_flow_remove(sa, flow, error);
-               if (rc != 0)
-                       ret = rc;
+       while ((flow = TAILQ_FIRST(&sa->flow_list)) != NULL) {
+               if (sa->state == SFC_ADAPTER_STARTED) {
+                       int rc;
+
+                       rc = sfc_flow_remove(sa, flow, error);
+                       if (rc != 0)
+                               ret = rc;
+               }
+
+               TAILQ_REMOVE(&sa->flow_list, flow, entries);
+               sfc_flow_free(sa, flow);
        }
 
        sfc_adapter_unlock(sa);
@@ -2424,8 +2792,7 @@ static int
 sfc_flow_isolate(struct rte_eth_dev *dev, int enable,
                 struct rte_flow_error *error)
 {
-       struct sfc_adapter *sa = dev->data->dev_private;
-       struct sfc_port *port = &sa->port;
+       struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
        int ret = 0;
 
        sfc_adapter_lock(sa);
@@ -2435,7 +2802,7 @@ sfc_flow_isolate(struct rte_eth_dev *dev, int enable,
                                   NULL, "please close the port first");
                ret = -rte_errno;
        } else {
-               port->isolated = (enable) ? B_TRUE : B_FALSE;
+               sfc_sa2shared(sa)->isolated = (enable) ? B_TRUE : B_FALSE;
        }
        sfc_adapter_unlock(sa);
 
@@ -2456,7 +2823,7 @@ sfc_flow_init(struct sfc_adapter *sa)
 {
        SFC_ASSERT(sfc_adapter_is_locked(sa));
 
-       TAILQ_INIT(&sa->filter.flow_list);
+       TAILQ_INIT(&sa->flow_list);
 }
 
 void
@@ -2466,21 +2833,34 @@ sfc_flow_fini(struct sfc_adapter *sa)
 
        SFC_ASSERT(sfc_adapter_is_locked(sa));
 
-       while ((flow = TAILQ_FIRST(&sa->filter.flow_list)) != NULL) {
-               TAILQ_REMOVE(&sa->filter.flow_list, flow, entries);
-               rte_free(flow);
+       while ((flow = TAILQ_FIRST(&sa->flow_list)) != NULL) {
+               TAILQ_REMOVE(&sa->flow_list, flow, entries);
+               sfc_flow_free(sa, flow);
        }
 }
 
 void
 sfc_flow_stop(struct sfc_adapter *sa)
 {
+       struct sfc_adapter_shared * const sas = sfc_sa2shared(sa);
+       struct sfc_rss *rss = &sas->rss;
        struct rte_flow *flow;
 
        SFC_ASSERT(sfc_adapter_is_locked(sa));
 
-       TAILQ_FOREACH(flow, &sa->filter.flow_list, entries)
-               sfc_flow_filter_remove(sa, flow);
+       TAILQ_FOREACH(flow, &sa->flow_list, entries)
+               sfc_flow_remove(sa, flow, NULL);
+
+       if (rss->dummy_rss_context != EFX_RSS_CONTEXT_DEFAULT) {
+               efx_rx_scale_context_free(sa->nic, rss->dummy_rss_context);
+               rss->dummy_rss_context = EFX_RSS_CONTEXT_DEFAULT;
+       }
+
+       /*
+        * MAE counter service is not stopped on flow rule remove to avoid
+        * extra work. Make sure that it is stopped here.
+        */
+       sfc_mae_counter_stop(sa);
 }
 
 int
@@ -2493,8 +2873,8 @@ sfc_flow_start(struct sfc_adapter *sa)
 
        SFC_ASSERT(sfc_adapter_is_locked(sa));
 
-       TAILQ_FOREACH(flow, &sa->filter.flow_list, entries) {
-               rc = sfc_flow_filter_insert(sa, flow);
+       TAILQ_FOREACH(flow, &sa->flow_list, entries) {
+               rc = sfc_flow_insert(sa, flow, NULL);
                if (rc != 0)
                        goto fail_bad_flow;
        }