net/sfc: support encap flow items in transfer rules
[dpdk.git] / drivers / net / sfc / sfc_flow.c
index ed91c3c..4321045 100644 (file)
@@ -1,7 +1,7 @@
 /* SPDX-License-Identifier: BSD-3-Clause
  *
- * Copyright (c) 2017-2018 Solarflare Communications Inc.
- * All rights reserved.
+ * Copyright(c) 2019-2020 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.
@@ -18,6 +18,7 @@
 #include "efx.h"
 
 #include "sfc.h"
+#include "sfc_debug.h"
 #include "sfc_rx.h"
 #include "sfc_filter.h"
 #include "sfc_flow.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 *
@@ -44,6 +64,9 @@ sfc_flow_get_ops_by_spec(struct rte_flow *flow)
        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;
@@ -63,25 +86,6 @@ sfc_flow_get_ops_by_spec(struct rte_flow *flow)
  * 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;
@@ -138,7 +142,7 @@ 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,
@@ -237,7 +241,7 @@ 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;
@@ -259,10 +263,11 @@ 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 = {
@@ -371,11 +376,12 @@ 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 = {
@@ -457,10 +463,11 @@ 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);
@@ -547,10 +554,11 @@ 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);
@@ -655,10 +663,11 @@ 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 = {
@@ -736,10 +745,11 @@ 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 = {
@@ -894,10 +904,11 @@ 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 = {
@@ -946,10 +957,11 @@ 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 = {
@@ -1013,10 +1025,11 @@ 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 = {
@@ -1055,60 +1068,70 @@ 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_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,
        },
 };
@@ -1117,12 +1140,15 @@ 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,
@@ -1158,11 +1184,25 @@ sfc_flow_parse_attr(const struct rte_flow_attr *attr,
                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 {
-               rte_flow_error_set(error, ENOTSUP,
-                                  RTE_FLOW_ERROR_TYPE_ATTR_TRANSFER, attr,
-                                  "Transfer is not supported");
-               return -rte_errno;
+               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;
@@ -1170,28 +1210,30 @@ sfc_flow_parse_attr(const struct rte_flow_attr *attr,
 
 /* 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;
        unsigned int prev_layer = SFC_FLOW_ITEM_ANY_LAYER;
        boolean_t is_ifrm = B_FALSE;
        const struct sfc_flow_item *item;
-       struct sfc_flow_spec *spec = &flow->spec;
-       struct sfc_flow_spec_filter *spec_filter = &spec->filter;
 
        if (pattern == NULL) {
                rte_flow_error_set(error, EINVAL,
@@ -1201,7 +1243,8 @@ 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,
@@ -1245,7 +1288,8 @@ 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,
@@ -1256,7 +1300,14 @@ sfc_flow_parse_pattern(const struct rte_flow_item pattern[],
                        break;
                }
 
-               rc = item->parse(pattern, &spec_filter->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;
 
@@ -1275,6 +1326,7 @@ sfc_flow_parse_queue(struct sfc_adapter *sa,
        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)
                return -EINVAL;
@@ -1282,6 +1334,10 @@ sfc_flow_parse_queue(struct sfc_adapter *sa,
        rxq = &sa->rxq_ctrl[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;
 }
 
@@ -1447,13 +1503,34 @@ sfc_flow_filter_insert(struct sfc_adapter *sa,
        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 (spec_filter->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,
@@ -1464,16 +1541,19 @@ 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
@@ -1484,8 +1564,9 @@ sfc_flow_filter_insert(struct sfc_adapter *sa,
                        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;
                }
        }
 
@@ -1493,7 +1574,12 @@ sfc_flow_filter_insert(struct sfc_adapter *sa,
        if (rc != 0)
                goto fail_filter_insert;
 
-       if (spec_filter->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
@@ -1503,10 +1589,13 @@ 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;
@@ -1517,7 +1606,7 @@ 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:
@@ -1591,9 +1680,6 @@ 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:
@@ -1689,7 +1775,6 @@ 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) {
@@ -2312,9 +2397,16 @@ sfc_flow_parse_rte_to_filter(struct rte_eth_dev *dev,
                             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_filter *spec_filter = &spec->filter;
+       struct sfc_flow_parse_ctx ctx;
        int rc;
 
-       rc = sfc_flow_parse_pattern(pattern, flow, error);
+       ctx.type = SFC_FLOW_PARSE_CTX_FILTER;
+       ctx.filter = &spec_filter->template;
+
+       rc = sfc_flow_parse_pattern(sfc_flow_items, RTE_DIM(sfc_flow_items),
+                                   pattern, &ctx, error);
        if (rc != 0)
                goto fail_bad_value;
 
@@ -2332,6 +2424,30 @@ 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->action_set,
+                                       error);
+       if (rc != 0)
+               return rc;
+
+       return 0;
+}
+
 static int
 sfc_flow_parse(struct rte_eth_dev *dev,
               const struct rte_flow_attr *attr,
@@ -2340,10 +2456,11 @@ sfc_flow_parse(struct rte_eth_dev *dev,
               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(attr, flow, error);
+       rc = sfc_flow_parse_attr(sa, attr, flow, error);
        if (rc != 0)
                return rc;
 
@@ -2374,11 +2491,95 @@ sfc_flow_zmalloc(struct rte_flow_error *error)
 }
 
 static void
-sfc_flow_free(__rte_unused struct sfc_adapter *sa, struct rte_flow *flow)
+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,
@@ -2394,10 +2595,16 @@ sfc_flow_validate(struct rte_eth_dev *dev,
        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);
 
        sfc_flow_free(sa, flow);
 
+       sfc_adapter_unlock(sa);
+
        return rc;
 }
 
@@ -2416,29 +2623,25 @@ sfc_flow_create(struct rte_eth_dev *dev,
        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;
 
-       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:
+fail_flow_insert:
        TAILQ_REMOVE(&sa->flow_list, flow, entries);
 
 fail_bad_value:
@@ -2449,29 +2652,6 @@ 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->flow_list, flow, entries);
-       sfc_flow_free(sa, flow);
-
-       return rc;
-}
-
 static int
 sfc_flow_destroy(struct rte_eth_dev *dev,
                 struct rte_flow *flow,
@@ -2494,7 +2674,11 @@ 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);
@@ -2508,15 +2692,21 @@ sfc_flow_flush(struct rte_eth_dev *dev,
 {
        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->flow_list)) != NULL) {
-               rc = sfc_flow_remove(sa, flow, error);
-               if (rc != 0)
-                       ret = rc;
+               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);
@@ -2578,12 +2768,19 @@ sfc_flow_fini(struct sfc_adapter *sa)
 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->flow_list, entries)
-               sfc_flow_filter_remove(sa, flow);
+               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;
+       }
 }
 
 int
@@ -2597,7 +2794,7 @@ sfc_flow_start(struct sfc_adapter *sa)
        SFC_ASSERT(sfc_adapter_is_locked(sa));
 
        TAILQ_FOREACH(flow, &sa->flow_list, entries) {
-               rc = sfc_flow_filter_insert(sa, flow);
+               rc = sfc_flow_insert(sa, flow, NULL);
                if (rc != 0)
                        goto fail_bad_flow;
        }