On 09/04, Ying Wang wrote:
>The patch reworks the generic flow API (rte_flow) implementation.
>It introduces an abstract layer which provides a unified interface
>for low-level filter engine (switch, fdir, hash) to register supported
>patterns and actions and implement flow validate/create/destroy/flush/
>query activities.
>
>The patch also removes the existing switch filter implementation to
>avoid compile error. Switch filter implementation for the new framework
>will be added in the following patch.
>
>Signed-off-by: Ying Wang <ying.a.w...@intel.com>
>---
> drivers/net/ice/ice_ethdev.c        |  22 +-
> drivers/net/ice/ice_ethdev.h        |  15 +-
> drivers/net/ice/ice_generic_flow.c  | 768 +++++++++++++++--------------------
> drivers/net/ice/ice_generic_flow.h  | 782 ++++++++----------------------------
> drivers/net/ice/ice_switch_filter.c | 511 -----------------------
> drivers/net/ice/ice_switch_filter.h |  18 -
> 6 files changed, 525 insertions(+), 1591 deletions(-)

Please add update to document and release notes.

>
>diff --git a/drivers/net/ice/ice_ethdev.c b/drivers/net/ice/ice_ethdev.c
>index 4e0645db1..647aca3ed 100644
>--- a/drivers/net/ice/ice_ethdev.c
>+++ b/drivers/net/ice/ice_ethdev.c
[snip]
>+int
>+ice_flow_init(struct ice_adapter *ad)
>+{
>+      int ret = 0;
>+      struct ice_pf *pf = &ad->pf;
>+      void *temp;
>+      struct ice_flow_engine *engine = NULL;
>+
>+      TAILQ_INIT(&pf->flow_list);
>+      TAILQ_INIT(&pf->rss_parser_list);
>+      TAILQ_INIT(&pf->perm_parser_list);
>+      TAILQ_INIT(&pf->dist_parser_list);
>+
>+      TAILQ_FOREACH_SAFE(engine, &engine_list, node, temp) {
>+              if (engine->init == NULL)
>+                      return -EINVAL;

I think ENOTSUP is more preferred here.

>+
>+              ret = engine->init(ad);
>+              if (ret)
>+                      return ret;
>+      }
>+      return 0;
>+}
>+
>+void
>+ice_flow_uninit(struct ice_adapter *ad)
>+{
>+      struct ice_pf *pf = &ad->pf;
>+      struct ice_flow_engine *engine;
>+      struct rte_flow *p_flow;
>+      struct ice_flow_parser *p_parser;
>+      void *temp;
>+
>+      TAILQ_FOREACH_SAFE(engine, &engine_list, node, temp) {
>+              if (engine->uninit)
>+                      engine->uninit(ad);
>+      }
>+
>+      /* Remove all flows */
>+      while ((p_flow = TAILQ_FIRST(&pf->flow_list))) {
>+              TAILQ_REMOVE(&pf->flow_list, p_flow, node);
>+              if (p_flow->engine->free)
>+                      p_flow->engine->free(p_flow);
>+              rte_free(p_flow);
>+      }
>+
>+      /* Cleanup parser list */
>+      while ((p_parser = TAILQ_FIRST(&pf->rss_parser_list)))
>+              TAILQ_REMOVE(&pf->rss_parser_list, p_parser, node);
>+
>+      while ((p_parser = TAILQ_FIRST(&pf->perm_parser_list)))
>+              TAILQ_REMOVE(&pf->perm_parser_list, p_parser, node);
>+
>+      while ((p_parser = TAILQ_FIRST(&pf->dist_parser_list)))
>+              TAILQ_REMOVE(&pf->dist_parser_list, p_parser, node);
>+}
>+
>+int
>+ice_register_parser(struct ice_flow_parser *parser,
>+              struct ice_adapter *ad)
>+{
>+      struct ice_parser_list *list = NULL;
>+      struct ice_pf *pf = &ad->pf;
>+
>+      switch (parser->stage) {
>+      case ICE_FLOW_STAGE_RSS:
>+              list = &pf->rss_parser_list;
>+              break;
>+      case ICE_FLOW_STAGE_PERMISSION:
>+              list = &pf->perm_parser_list;
>+              break;
>+      case ICE_FLOW_STAGE_DISTRIBUTOR:
>+              list = &pf->dist_parser_list;
>+              break;
>+      default:
>+              return -EINVAL;
>+      }
>+
>+      if (ad->devargs.pipeline_mode_support)
>+              TAILQ_INSERT_TAIL(list, parser, node);
>+      else {
>+              if (parser->engine->type == ICE_FLOW_ENGINE_SWITCH
>+                      || parser->engine->type == ICE_FLOW_ENGINE_HASH)
>+                      TAILQ_INSERT_TAIL(list, parser, node);
>+              else if (parser->engine->type == ICE_FLOW_ENGINE_FDIR)
>+                      TAILQ_INSERT_HEAD(list, parser, node);
>+              else
>+                      return -EINVAL;
>+      }
>+      return 0;
>+}
>+
>+void
>+ice_unregister_parser(struct ice_flow_parser *parser,
>+              struct ice_adapter *ad)
>+{
>+      struct ice_pf *pf = &ad->pf;
>+      struct ice_parser_list *list;
>+      struct ice_flow_parser *p_parser;
>+      void *temp;
>+
>+      switch (parser->stage) {
>+      case ICE_FLOW_STAGE_RSS:
>+              list = &pf->rss_parser_list;
>+              break;
>+      case ICE_FLOW_STAGE_PERMISSION:
>+              list = &pf->perm_parser_list;
>+              break;
>+      case ICE_FLOW_STAGE_DISTRIBUTOR:
>+              list = &pf->dist_parser_list;
>+              break;
>+      default:
>+              return;
>+      }
>+
>+      TAILQ_FOREACH_SAFE(p_parser, list, node, temp) {
>+              if (p_parser->engine->type == parser->engine->type)
>+                      TAILQ_REMOVE(list, p_parser, node);
>+      }
>+
>+}
>+
> static int
>-ice_flow_valid_attr(const struct rte_flow_attr *attr,
>-                   struct rte_flow_error *error)
>+ice_flow_valid_attr(struct ice_adapter *ad,
>+              const struct rte_flow_attr *attr,
>+              struct rte_flow_error *error)
> {
>       /* Must be input direction */
>       if (!attr->ingress) {
>@@ -61,15 +212,25 @@ ice_flow_valid_attr(const struct rte_flow_attr *attr,
>                                  attr, "Not support egress.");
>               return -rte_errno;
>       }
>-
>-      /* Not supported */
>-      if (attr->priority) {
>-              rte_flow_error_set(error, EINVAL,
>-                                 RTE_FLOW_ERROR_TYPE_ATTR_PRIORITY,
>-                                 attr, "Not support priority.");
>-              return -rte_errno;
>+      /* Check pipeline mode support to set classification stage */
>+      if (ad->devargs.pipeline_mode_support) {
>+              if (0 == attr->priority)
>+                      ice_pipeline_stage =
>+                              ICE_FLOW_CLASSIFY_STAGE_PERMISSION;
>+              else
>+                      ice_pipeline_stage =
>+                              ICE_FLOW_CLASSIFY_STAGE_DISTRIBUTOR;
>+      } else {
>+              ice_pipeline_stage =
>+                      ICE_FLOW_CLASSIFY_STAGE_DISTRIBUTOR_ONLY;
>+              /* Not supported */
>+              if (attr->priority) {
>+                      rte_flow_error_set(error, EINVAL,
>+                                         RTE_FLOW_ERROR_TYPE_ATTR_PRIORITY,
>+                                         attr, "Not support priority.");
>+                      return -rte_errno;
>+              }
>       }
>-
>       /* Not supported */
>       if (attr->group) {
>               rte_flow_error_set(error, EINVAL,
>@@ -102,7 +263,7 @@ ice_find_first_item(const struct rte_flow_item *item, bool 
>is_void)
> /* Skip all VOID items of the pattern */
> static void
> ice_pattern_skip_void_item(struct rte_flow_item *items,
>-                          const struct rte_flow_item *pattern)
>+                      const struct rte_flow_item *pattern)

Unnecessary change here, only indentation changes.

> {
>       uint32_t cpy_count = 0;
>       const struct rte_flow_item *pb = pattern, *pe = pattern;
>@@ -124,7 +285,6 @@ ice_pattern_skip_void_item(struct rte_flow_item *items,
>               items += cpy_count;
> 
>               if (pe->type == RTE_FLOW_ITEM_TYPE_END) {
>-                      pb = pe;

seems this is some code cleanup, prefer a separate patch, not a strong opinion 
though.

>                       break;
>               }
> 
>@@ -151,11 +311,15 @@ ice_match_pattern(enum rte_flow_item_type *item_array,
>               item->type == RTE_FLOW_ITEM_TYPE_END);
> }
> 
>-static uint64_t ice_flow_valid_pattern(const struct rte_flow_item pattern[],
>+struct ice_pattern_match_item *
>+ice_search_pattern_match_item(const struct rte_flow_item pattern[],
>+              struct ice_pattern_match_item *array,
>+              uint32_t array_len,
>               struct rte_flow_error *error)
> {
>       uint16_t i = 0;
>-      uint64_t inset;
>+      struct ice_pattern_match_item *pattern_match_item;
>+      /* need free by each filter */
>       struct rte_flow_item *items; /* used for pattern without VOID items */
>       uint32_t item_num = 0; /* non-void item number */
> 
>@@ -172,451 +336,149 @@ static uint64_t ice_flow_valid_pattern(const struct 
>rte_flow_item pattern[],
>       if (!items) {
>               rte_flow_error_set(error, ENOMEM, RTE_FLOW_ERROR_TYPE_ITEM_NUM,
>                                  NULL, "No memory for PMD internal items.");
>-              return -ENOMEM;
>+              return NULL;
>+      }
>+      pattern_match_item = rte_zmalloc("ice_pattern_match_item",
>+                      sizeof(struct ice_pattern_match_item), 0);
>+      if (!pattern_match_item) {
>+              PMD_DRV_LOG(ERR, "Failed to allocate memory.");
>+              return NULL;
>       }
>-
>       ice_pattern_skip_void_item(items, pattern);
> 
>-      for (i = 0; i < RTE_DIM(ice_supported_patterns); i++)
[snip]
> 
>+static int
>+ice_flow_validate(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_error *error)
>+{
>+      int ret = ICE_ERR_NOT_SUPPORTED;

Unnecessary initialization.

>+      void *meta = NULL;
>+      struct ice_flow_engine *engine = NULL;
>+
>+      ret = ice_flow_validate_filter(dev, attr, pattern, actions,
>+                      &engine, &meta, error);
>+      return ret;
>+}
>+
> static struct rte_flow *
> ice_flow_create(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_error *error)
>+              const struct rte_flow_attr *attr,
>+              const struct rte_flow_item pattern[],
>+              const struct rte_flow_action actions[],
>+              struct rte_flow_error *error)
> {
>       struct ice_pf *pf = ICE_DEV_PRIVATE_TO_PF(dev->data->dev_private);
>       struct rte_flow *flow = NULL;
>-      int ret;
>+      int ret = 0;

Unnecessary initialization.

>+      struct ice_adapter *ad =
>+              ICE_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
>+      struct ice_flow_engine *engine = NULL;
>+      void *meta = NULL;
> 
>       flow = rte_zmalloc("ice_flow", sizeof(struct rte_flow), 0);
>       if (!flow) {
>@@ -626,65 +488,105 @@ ice_flow_create(struct rte_eth_dev *dev,
>               return flow;
>       }
> 
>-      ret = ice_flow_validate(dev, attr, pattern, actions, error);
>+      ret = ice_flow_validate_filter(dev, attr, pattern, actions,
>+                      &engine, &meta, error);
>       if (ret < 0)
>               goto free_flow;
> 
>-      ret = ice_create_switch_filter(pf, pattern, actions, flow, error);
>+      if (engine->create == NULL)
>+              goto free_flow;
>+
>+      ret = engine->create(ad, flow, meta, error);
>       if (ret)
>               goto free_flow;
> 
>+      flow->engine = engine;
>       TAILQ_INSERT_TAIL(&pf->flow_list, flow, node);
>       return flow;
> 
> free_flow:
>-      rte_flow_error_set(error, -ret,
>-                         RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
>-                         "Failed to create flow.");
>+      PMD_DRV_LOG(ERR, "Failed to create flow");
>       rte_free(flow);
>       return NULL;
> }
> 
> static int
> ice_flow_destroy(struct rte_eth_dev *dev,
>-               struct rte_flow *flow,
>-               struct rte_flow_error *error)
>+              struct rte_flow *flow,
>+              struct rte_flow_error *error)
> {
>       struct ice_pf *pf = ICE_DEV_PRIVATE_TO_PF(dev->data->dev_private);
>+      struct ice_adapter *ad =
>+              ICE_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
>       int ret = 0;
> 
>-      ret = ice_destroy_switch_filter(pf, flow, error);
>-
>+      if (!flow || !flow->engine->destroy) {
>+              rte_flow_error_set(error, EINVAL,
>+                              RTE_FLOW_ERROR_TYPE_HANDLE,
>+                              NULL, "NULL flow or NULL destroy");
>+              return -rte_errno;
>+      }
>+      ret = flow->engine->destroy(ad, flow, error);
>       if (!ret) {
>               TAILQ_REMOVE(&pf->flow_list, flow, node);
>               rte_free(flow);
>-      } else {
>-              rte_flow_error_set(error, -ret,
>-                                 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
>-                                 "Failed to destroy flow.");
>-      }
>+      } else
>+              PMD_DRV_LOG(ERR, "Failed to destroy flow");
> 
>       return ret;
> }
> 
> static int
> ice_flow_flush(struct rte_eth_dev *dev,
>-             struct rte_flow_error *error)
>+              struct rte_flow_error *error)

Unnecessary change.

> {
>       struct ice_pf *pf = ICE_DEV_PRIVATE_TO_PF(dev->data->dev_private);
>-      struct rte_flow *p_flow;
>+      struct rte_flow *p_flow = NULL;

Unnecessary initialization.

>       void *temp;
>       int ret = 0;
> 
>       TAILQ_FOREACH_SAFE(p_flow, &pf->flow_list, node, temp) {
>               ret = ice_flow_destroy(dev, p_flow, error);
>               if (ret) {
>-                      rte_flow_error_set(error, -ret,
>-                                         RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
>-                                         "Failed to flush SW flows.");
>-                      return -rte_errno;
>+                      PMD_DRV_LOG(ERR, "Failed to flush flows");
>+                      return -EINVAL;
>               }
>       }
> 
>       return ret;
> }
>+
>+static int
>+ice_flow_query_count(struct rte_eth_dev *dev,
>+              struct rte_flow *flow,
>+              const struct rte_flow_action *actions,
>+              void *data,
>+              struct rte_flow_error *error)
>+{
>+      int ret = -EINVAL;
>+      struct ice_adapter *ad =
>+              ICE_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
>+
>+      if (!flow || !flow->engine->query) {
>+              rte_flow_error_set(error, EINVAL,
>+                              RTE_FLOW_ERROR_TYPE_HANDLE,
>+                              NULL, "NULL flow or NULL query");
>+              return -rte_errno;
>+      }
>+
>+      for (; actions->type != RTE_FLOW_ACTION_TYPE_END; actions++) {
>+              switch (actions->type) {
>+              case RTE_FLOW_ACTION_TYPE_VOID:
>+                      break;
>+              case RTE_FLOW_ACTION_TYPE_COUNT:
>+                      ret = flow->engine->query(ad, flow, data, error);
>+                      break;
>+              default:
>+                      return rte_flow_error_set(error, ENOTSUP,
>+                                      RTE_FLOW_ERROR_TYPE_ACTION,
>+                                      actions,
>+                                      "action not supported");
>+              }
>+      }
>+      return ret;
>+}
[snip]
>+TAILQ_HEAD(ice_engine_list, ice_flow_engine);
>+
>+/* Struct to store flow created. */
>+struct rte_flow {
>+TAILQ_ENTRY(rte_flow) node;

Indentation is needed here.

>+      struct ice_flow_engine *engine;
>+      void *rule;
>+};
>+
>+/* Struct to store parser created. */
>+struct ice_flow_parser {
>+      TAILQ_ENTRY(ice_flow_parser) node;
>+      struct ice_flow_engine *engine;
>+      struct ice_pattern_match_item *array;
>+      uint32_t array_len;
>+      parse_pattern_action_t parse_pattern_action;
>+      enum ice_flow_classification_stage stage;
>+};
>+
>+void ice_register_flow_engine(struct ice_flow_engine *engine);
>+int ice_flow_init(struct ice_adapter *ad);
>+void ice_flow_uninit(struct ice_adapter *ad);
>+int ice_register_parser(struct ice_flow_parser *parser,
>+              struct ice_adapter *ad);
>+void ice_unregister_parser(struct ice_flow_parser *parser,
>+              struct ice_adapter *ad);
>+struct ice_pattern_match_item *
>+ice_search_pattern_match_item(
>+              const struct rte_flow_item pattern[],
>+              struct ice_pattern_match_item *array,
>+              uint32_t array_len,
>+              struct rte_flow_error *error);
> 
> #endif
>diff --git a/drivers/net/ice/ice_switch_filter.c 
>b/drivers/net/ice/ice_switch_filter.c
>index b88b4f59a..6b72bf252 100644
>--- a/drivers/net/ice/ice_switch_filter.c
>+++ b/drivers/net/ice/ice_switch_filter.c
>@@ -2,515 +2,4 @@
>  * Copyright(c) 2019 Intel Corporation
>  */
> 
>-#include <sys/queue.h>
>-#include <stdio.h>
>-#include <errno.h>
>-#include <stdint.h>
>-#include <string.h>
>-#include <unistd.h>
>-#include <stdarg.h>
> 
>-#include <rte_debug.h>
>-#include <rte_ether.h>
>-#include <rte_ethdev_driver.h>
>-#include <rte_log.h>
>-#include <rte_malloc.h>
>-#include <rte_eth_ctrl.h>
>-#include <rte_tailq.h>
>-#include <rte_flow_driver.h>
>-
>-#include "ice_logs.h"
>-#include "base/ice_type.h"
>-#include "ice_switch_filter.h"
>-
>-static int
>-ice_parse_switch_filter(const struct rte_flow_item pattern[],
>-                      const struct rte_flow_action actions[],
>-                      struct rte_flow_error *error,
>-                      struct ice_adv_lkup_elem *list,
>-                      uint16_t *lkups_num,
>-                      enum ice_sw_tunnel_type tun_type)
>-{
>-      const struct rte_flow_item *item = pattern;
>-      enum rte_flow_item_type item_type;
>-      const struct rte_flow_item_eth *eth_spec, *eth_mask;
>-      const struct rte_flow_item_ipv4 *ipv4_spec, *ipv4_mask;
>-      const struct rte_flow_item_ipv6 *ipv6_spec, *ipv6_mask;
>-      const struct rte_flow_item_tcp *tcp_spec, *tcp_mask;
>-      const struct rte_flow_item_udp *udp_spec, *udp_mask;
>-      const struct rte_flow_item_sctp *sctp_spec, *sctp_mask;
>-      const struct rte_flow_item_nvgre  *nvgre_spec, *nvgre_mask;
>-      const struct rte_flow_item_vxlan  *vxlan_spec, *vxlan_mask;
>-      uint16_t j, t = 0;
>-      uint16_t tunnel_valid = 0;
>-
>-      for (item = pattern; item->type !=
>-                      RTE_FLOW_ITEM_TYPE_END; item++) {
>-              item_type = item->type;
>-
>-              switch (item_type) {
>-              case RTE_FLOW_ITEM_TYPE_ETH:
>-                      eth_spec = item->spec;
>-                      eth_mask = item->mask;
>-                      if (eth_spec && eth_mask) {
>-                              list[t].type = (tun_type == ICE_NON_TUN) ?
>-                                      ICE_MAC_OFOS : ICE_MAC_IL;
>-                              struct ice_ether_hdr *h;
>-                              struct ice_ether_hdr *m;
>-                              uint16_t i = 0;
>-                              h = &list[t].h_u.eth_hdr;
>-                              m = &list[t].m_u.eth_hdr;
>-                              for (j = 0; j < RTE_ETHER_ADDR_LEN; j++) {
>-                                      if (eth_mask->src.addr_bytes[j] ==
>-                                                              UINT8_MAX) {
>-                                              h->src_addr[j] =
>-                                              eth_spec->src.addr_bytes[j];
>-                                              m->src_addr[j] =
>-                                              eth_mask->src.addr_bytes[j];
>-                                              i = 1;
>-                                      }
>-                                      if (eth_mask->dst.addr_bytes[j] ==
>-                                                              UINT8_MAX) {
>-                                              h->dst_addr[j] =
>-                                              eth_spec->dst.addr_bytes[j];
>-                                              m->dst_addr[j] =
>-                                              eth_mask->dst.addr_bytes[j];
>-                                              i = 1;
>-                                      }
>-                              }
>-                              if (i)
>-                                      t++;
>-                              if (eth_mask->type == UINT16_MAX) {
>-                                      list[t].type = ICE_ETYPE_OL;
>-                                      list[t].h_u.ethertype.ethtype_id =
>-                                              eth_spec->type;
>-                                      list[t].m_u.ethertype.ethtype_id =
>-                                              UINT16_MAX;
>-                                      t++;
>-                              }
>-                      } else if (!eth_spec && !eth_mask) {
>-                              list[t].type = (tun_type == ICE_NON_TUN) ?
>-                                      ICE_MAC_OFOS : ICE_MAC_IL;
>-                      }
>-                      break;
>-
>-              case RTE_FLOW_ITEM_TYPE_IPV4:
>-                      ipv4_spec = item->spec;
>-                      ipv4_mask = item->mask;
>-                      if (ipv4_spec && ipv4_mask) {
>-                              list[t].type = (tun_type == ICE_NON_TUN) ?
>-                                      ICE_IPV4_OFOS : ICE_IPV4_IL;
>-                              if (ipv4_mask->hdr.src_addr == UINT32_MAX) {
>-                                      list[t].h_u.ipv4_hdr.src_addr =
>-                                              ipv4_spec->hdr.src_addr;
>-                                      list[t].m_u.ipv4_hdr.src_addr =
>-                                              UINT32_MAX;
>-                              }
>-                              if (ipv4_mask->hdr.dst_addr == UINT32_MAX) {
>-                                      list[t].h_u.ipv4_hdr.dst_addr =
>-                                              ipv4_spec->hdr.dst_addr;
>-                                      list[t].m_u.ipv4_hdr.dst_addr =
>-                                              UINT32_MAX;
>-                              }
>-                              if (ipv4_mask->hdr.time_to_live == UINT8_MAX) {
>-                                      list[t].h_u.ipv4_hdr.time_to_live =
>-                                              ipv4_spec->hdr.time_to_live;
>-                                      list[t].m_u.ipv4_hdr.time_to_live =
>-                                              UINT8_MAX;
>-                              }
>-                              if (ipv4_mask->hdr.next_proto_id == UINT8_MAX) {
>-                                      list[t].h_u.ipv4_hdr.protocol =
>-                                              ipv4_spec->hdr.next_proto_id;
>-                                      list[t].m_u.ipv4_hdr.protocol =
>-                                              UINT8_MAX;
>-                              }
>-                              if (ipv4_mask->hdr.type_of_service ==
>-                                              UINT8_MAX) {
>-                                      list[t].h_u.ipv4_hdr.tos =
>-                                              ipv4_spec->hdr.type_of_service;
>-                                      list[t].m_u.ipv4_hdr.tos = UINT8_MAX;
>-                              }
>-                              t++;
>-                      } else if (!ipv4_spec && !ipv4_mask) {
>-                              list[t].type = (tun_type == ICE_NON_TUN) ?
>-                                      ICE_IPV4_OFOS : ICE_IPV4_IL;
>-                      }
>-                      break;
>-
>-              case RTE_FLOW_ITEM_TYPE_IPV6:
>-                      ipv6_spec = item->spec;
>-                      ipv6_mask = item->mask;
>-                      if (ipv6_spec && ipv6_mask) {
>-                              list[t].type = (tun_type == ICE_NON_TUN) ?
>-                                      ICE_IPV6_OFOS : ICE_IPV6_IL;
>-                              struct ice_ipv6_hdr *f;
>-                              struct ice_ipv6_hdr *s;
>-                              f = &list[t].h_u.ipv6_hdr;
>-                              s = &list[t].m_u.ipv6_hdr;
>-                              for (j = 0; j < ICE_IPV6_ADDR_LENGTH; j++) {
>-                                      if (ipv6_mask->hdr.src_addr[j] ==
>-                                                              UINT8_MAX) {
>-                                              f->src_addr[j] =
>-                                              ipv6_spec->hdr.src_addr[j];
>-                                              s->src_addr[j] =
>-                                              ipv6_mask->hdr.src_addr[j];
>-                                      }
>-                                      if (ipv6_mask->hdr.dst_addr[j] ==
>-                                                              UINT8_MAX) {
>-                                              f->dst_addr[j] =
>-                                              ipv6_spec->hdr.dst_addr[j];
>-                                              s->dst_addr[j] =
>-                                              ipv6_mask->hdr.dst_addr[j];
>-                                      }
>-                              }
>-                              if (ipv6_mask->hdr.proto == UINT8_MAX) {
>-                                      f->next_hdr =
>-                                              ipv6_spec->hdr.proto;
>-                                      s->next_hdr = UINT8_MAX;
>-                              }
>-                              if (ipv6_mask->hdr.hop_limits == UINT8_MAX) {
>-                                      f->hop_limit =
>-                                              ipv6_spec->hdr.hop_limits;
>-                                      s->hop_limit = UINT8_MAX;
>-                              }
>-                              t++;
>-                      } else if (!ipv6_spec && !ipv6_mask) {
>-                              list[t].type = (tun_type == ICE_NON_TUN) ?
>-                                      ICE_IPV4_OFOS : ICE_IPV4_IL;
>-                      }
>-                      break;
>-
>-              case RTE_FLOW_ITEM_TYPE_UDP:
>-                      udp_spec = item->spec;
>-                      udp_mask = item->mask;
>-                      if (udp_spec && udp_mask) {
>-                              if (tun_type == ICE_SW_TUN_VXLAN &&
>-                                              tunnel_valid == 0)
>-                                      list[t].type = ICE_UDP_OF;
>-                              else
>-                                      list[t].type = ICE_UDP_ILOS;
>-                              if (udp_mask->hdr.src_port == UINT16_MAX) {
>-                                      list[t].h_u.l4_hdr.src_port =
>-                                              udp_spec->hdr.src_port;
>-                                      list[t].m_u.l4_hdr.src_port =
>-                                              udp_mask->hdr.src_port;
>-                              }
>-                              if (udp_mask->hdr.dst_port == UINT16_MAX) {
>-                                      list[t].h_u.l4_hdr.dst_port =
>-                                              udp_spec->hdr.dst_port;
>-                                      list[t].m_u.l4_hdr.dst_port =
>-                                              udp_mask->hdr.dst_port;
>-                              }
>-                              t++;
>-                      } else if (!udp_spec && !udp_mask) {
>-                              list[t].type = ICE_UDP_ILOS;
>-                      }
>-                      break;
>-
>-              case RTE_FLOW_ITEM_TYPE_TCP:
>-                      tcp_spec = item->spec;
>-                      tcp_mask = item->mask;
>-                      if (tcp_spec && tcp_mask) {
>-                              list[t].type = ICE_TCP_IL;
>-                              if (tcp_mask->hdr.src_port == UINT16_MAX) {
>-                                      list[t].h_u.l4_hdr.src_port =
>-                                              tcp_spec->hdr.src_port;
>-                                      list[t].m_u.l4_hdr.src_port =
>-                                              tcp_mask->hdr.src_port;
>-                              }
>-                              if (tcp_mask->hdr.dst_port == UINT16_MAX) {
>-                                      list[t].h_u.l4_hdr.dst_port =
>-                                              tcp_spec->hdr.dst_port;
>-                                      list[t].m_u.l4_hdr.dst_port =
>-                                              tcp_mask->hdr.dst_port;
>-                              }
>-                              t++;
>-                      } else if (!tcp_spec && !tcp_mask) {
>-                              list[t].type = ICE_TCP_IL;
>-                      }
>-                      break;
>-
>-              case RTE_FLOW_ITEM_TYPE_SCTP:
>-                      sctp_spec = item->spec;
>-                      sctp_mask = item->mask;
>-                      if (sctp_spec && sctp_mask) {
>-                              list[t].type = ICE_SCTP_IL;
>-                              if (sctp_mask->hdr.src_port == UINT16_MAX) {
>-                                      list[t].h_u.sctp_hdr.src_port =
>-                                              sctp_spec->hdr.src_port;
>-                                      list[t].m_u.sctp_hdr.src_port =
>-                                              sctp_mask->hdr.src_port;
>-                              }
>-                              if (sctp_mask->hdr.dst_port == UINT16_MAX) {
>-                                      list[t].h_u.sctp_hdr.dst_port =
>-                                              sctp_spec->hdr.dst_port;
>-                                      list[t].m_u.sctp_hdr.dst_port =
>-                                              sctp_mask->hdr.dst_port;
>-                              }
>-                              t++;
>-                      } else if (!sctp_spec && !sctp_mask) {
>-                              list[t].type = ICE_SCTP_IL;
>-                      }
>-                      break;
>-
>-              case RTE_FLOW_ITEM_TYPE_VXLAN:
>-                      vxlan_spec = item->spec;
>-                      vxlan_mask = item->mask;
>-                      tunnel_valid = 1;
>-                      if (vxlan_spec && vxlan_mask) {
>-                              list[t].type = ICE_VXLAN;
>-                              if (vxlan_mask->vni[0] == UINT8_MAX &&
>-                                      vxlan_mask->vni[1] == UINT8_MAX &&
>-                                      vxlan_mask->vni[2] == UINT8_MAX) {
>-                                      list[t].h_u.tnl_hdr.vni =
>-                                              (vxlan_spec->vni[2] << 16) |
>-                                              (vxlan_spec->vni[1] << 8) |
>-                                              vxlan_spec->vni[0];
>-                                      list[t].m_u.tnl_hdr.vni =
>-                                              UINT32_MAX;
>-                              }
>-                              t++;
>-                      } else if (!vxlan_spec && !vxlan_mask) {
>-                              list[t].type = ICE_VXLAN;
>-                      }
>-                      break;
>-
>-              case RTE_FLOW_ITEM_TYPE_NVGRE:
>-                      nvgre_spec = item->spec;
>-                      nvgre_mask = item->mask;
>-                      tunnel_valid = 1;
>-                      if (nvgre_spec && nvgre_mask) {
>-                              list[t].type = ICE_NVGRE;
>-                              if (nvgre_mask->tni[0] == UINT8_MAX &&
>-                                      nvgre_mask->tni[1] == UINT8_MAX &&
>-                                      nvgre_mask->tni[2] == UINT8_MAX) {
>-                                      list[t].h_u.nvgre_hdr.tni_flow =
>-                                              (nvgre_spec->tni[2] << 16) |
>-                                              (nvgre_spec->tni[1] << 8) |
>-                                              nvgre_spec->tni[0];
>-                                      list[t].m_u.nvgre_hdr.tni_flow =
>-                                              UINT32_MAX;
>-                              }
>-                              t++;
>-                      } else if (!nvgre_spec && !nvgre_mask) {
>-                              list[t].type = ICE_NVGRE;
>-                      }
>-                      break;
>-
>-              case RTE_FLOW_ITEM_TYPE_VOID:
>-              case RTE_FLOW_ITEM_TYPE_END:
>-                      break;
>-
>-              default:
>-                      rte_flow_error_set(error, EINVAL,
>-                                 RTE_FLOW_ERROR_TYPE_ITEM, actions,
>-                                 "Invalid pattern item.");
>-                      goto out;
>-              }
>-      }
>-
>-      *lkups_num = t;
>-
>-      return 0;
>-out:
>-      return -rte_errno;
>-}
>-
>-/* By now ice switch filter action code implement only
>- * supports QUEUE or DROP.
>- */
>-static int
>-ice_parse_switch_action(struct ice_pf *pf,
>-                               const struct rte_flow_action *actions,
>-                               struct rte_flow_error *error,
>-                               struct ice_adv_rule_info *rule_info)
>-{
>-      struct ice_vsi *vsi = pf->main_vsi;
>-      const struct rte_flow_action_queue *act_q;
>-      uint16_t base_queue;
>-      const struct rte_flow_action *action;
>-      enum rte_flow_action_type action_type;
>-
>-      base_queue = pf->base_queue;
>-      for (action = actions; action->type !=
>-                      RTE_FLOW_ACTION_TYPE_END; action++) {
>-              action_type = action->type;
>-              switch (action_type) {
>-              case RTE_FLOW_ACTION_TYPE_QUEUE:
>-                      act_q = action->conf;
>-                      rule_info->sw_act.fltr_act =
>-                              ICE_FWD_TO_Q;
>-                      rule_info->sw_act.fwd_id.q_id =
>-                              base_queue + act_q->index;
>-                      break;
>-
>-              case RTE_FLOW_ACTION_TYPE_DROP:
>-                      rule_info->sw_act.fltr_act =
>-                              ICE_DROP_PACKET;
>-                      break;
>-
>-              case RTE_FLOW_ACTION_TYPE_VOID:
>-                      break;
>-
>-              default:
>-                      rte_flow_error_set(error,
>-                              EINVAL,
>-                              RTE_FLOW_ERROR_TYPE_ITEM,
>-                              actions,
>-                              "Invalid action type");
>-                      return -rte_errno;
>-              }
>-      }
>-
>-      rule_info->sw_act.vsi_handle = vsi->idx;
>-      rule_info->rx = 1;
>-      rule_info->sw_act.src = vsi->idx;
>-      rule_info->priority = 5;
>-
>-      return 0;
>-}
>-
>-static int
>-ice_switch_rule_set(struct ice_pf *pf,
>-                      struct ice_adv_lkup_elem *list,
>-                      uint16_t lkups_cnt,
>-                      struct ice_adv_rule_info *rule_info,
>-                      struct rte_flow *flow,
>-                      struct rte_flow_error *error)
>-{
>-      struct ice_hw *hw = ICE_PF_TO_HW(pf);
>-      int ret;
>-      struct ice_rule_query_data rule_added = {0};
>-      struct ice_rule_query_data *filter_ptr;
>-
>-      if (lkups_cnt > ICE_MAX_CHAIN_WORDS) {
>-              rte_flow_error_set(error, EINVAL,
>-                      RTE_FLOW_ERROR_TYPE_ITEM, NULL,
>-                      "item number too large for rule");
>-              return -rte_errno;
>-      }
>-      if (!list) {
>-              rte_flow_error_set(error, EINVAL,
>-                      RTE_FLOW_ERROR_TYPE_ITEM, NULL,
>-                      "lookup list should not be NULL");
>-              return -rte_errno;
>-      }
>-
>-      ret = ice_add_adv_rule(hw, list, lkups_cnt, rule_info, &rule_added);
>-
>-      if (!ret) {
>-              filter_ptr = rte_zmalloc("ice_switch_filter",
>-                      sizeof(struct ice_rule_query_data), 0);
>-              if (!filter_ptr) {
>-                      PMD_DRV_LOG(ERR, "failed to allocate memory");
>-                      return -EINVAL;
>-              }
>-              flow->rule = filter_ptr;
>-              rte_memcpy(filter_ptr,
>-                      &rule_added,
>-                      sizeof(struct ice_rule_query_data));
>-      }
>-
>-      return ret;
>-}
>-
>-int
>-ice_create_switch_filter(struct ice_pf *pf,
>-                      const struct rte_flow_item pattern[],
>-                      const struct rte_flow_action actions[],
>-                      struct rte_flow *flow,
>-                      struct rte_flow_error *error)
>-{
>-      int ret = 0;
>-      struct ice_adv_rule_info rule_info = {0};
>-      struct ice_adv_lkup_elem *list = NULL;
>-      uint16_t lkups_num = 0;
>-      const struct rte_flow_item *item = pattern;
>-      uint16_t item_num = 0;
>-      enum ice_sw_tunnel_type tun_type = ICE_NON_TUN;
>-
>-      for (; item->type != RTE_FLOW_ITEM_TYPE_END; item++) {
>-              item_num++;
>-              if (item->type == RTE_FLOW_ITEM_TYPE_VXLAN)
>-                      tun_type = ICE_SW_TUN_VXLAN;
>-              if (item->type == RTE_FLOW_ITEM_TYPE_NVGRE)
>-                      tun_type = ICE_SW_TUN_NVGRE;
>-              /* reserve one more memory slot for ETH which may
>-               * consume 2 lookup items.
>-               */
>-              if (item->type == RTE_FLOW_ITEM_TYPE_ETH)
>-                      item_num++;
>-      }
>-      rule_info.tun_type = tun_type;
>-
>-      list = rte_zmalloc(NULL, item_num * sizeof(*list), 0);
>-      if (!list) {
>-              rte_flow_error_set(error, EINVAL,
>-                                 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
>-                                 "No memory for PMD internal items");
>-              return -rte_errno;
>-      }
>-
>-      ret = ice_parse_switch_filter(pattern, actions, error,
>-                      list, &lkups_num, tun_type);
>-      if (ret)
>-              goto error;
>-
>-      ret = ice_parse_switch_action(pf, actions, error, &rule_info);
>-      if (ret)
>-              goto error;
>-
>-      ret = ice_switch_rule_set(pf, list, lkups_num, &rule_info, flow, error);
>-      if (ret)
>-              goto error;
>-
>-      rte_free(list);
>-      return 0;
>-
>-error:
>-      rte_free(list);
>-
>-      return -rte_errno;
>-}
>-
>-int
>-ice_destroy_switch_filter(struct ice_pf *pf,
>-                      struct rte_flow *flow,
>-                      struct rte_flow_error *error)
>-{
>-      struct ice_hw *hw = ICE_PF_TO_HW(pf);
>-      int ret;
>-      struct ice_rule_query_data *filter_ptr;
>-
>-      filter_ptr = (struct ice_rule_query_data *)
>-                      flow->rule;
>-
>-      if (!filter_ptr) {
>-              rte_flow_error_set(error, EINVAL,
>-                      RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
>-                      "no such flow"
>-                      " create by switch filter");
>-              return -rte_errno;
>-      }
>-
>-      ret = ice_rem_adv_rule_by_id(hw, filter_ptr);
>-      if (ret) {
>-              rte_flow_error_set(error, EINVAL,
>-                      RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
>-                      "fail to destroy switch filter rule");
>-              return -rte_errno;
>-      }
>-
>-      rte_free(filter_ptr);
>-      return ret;
>-}
>-
>-void
>-ice_free_switch_filter_rule(void *rule)
>-{
>-      struct ice_rule_query_data *filter_ptr;
>-
>-      filter_ptr = (struct ice_rule_query_data *)rule;
>-
>-      rte_free(filter_ptr);
>-}
>diff --git a/drivers/net/ice/ice_switch_filter.h 
>b/drivers/net/ice/ice_switch_filter.h
>index cea47990e..5afcddeaf 100644
>--- a/drivers/net/ice/ice_switch_filter.h
>+++ b/drivers/net/ice/ice_switch_filter.h
>@@ -2,23 +2,5 @@
>  * Copyright(c) 2019 Intel Corporation
>  */
> 
>-#ifndef _ICE_SWITCH_FILTER_H_
>-#define _ICE_SWITCH_FILTER_H_
> 
>-#include "base/ice_switch.h"
>-#include "base/ice_type.h"
>-#include "ice_ethdev.h"
> 
>-int
>-ice_create_switch_filter(struct ice_pf *pf,
>-                      const struct rte_flow_item pattern[],
>-                      const struct rte_flow_action actions[],
>-                      struct rte_flow *flow,
>-                      struct rte_flow_error *error);
>-int
>-ice_destroy_switch_filter(struct ice_pf *pf,
>-                      struct rte_flow *flow,
>-                      struct rte_flow_error *error);
>-void
>-ice_free_switch_filter_rule(void *rule);
>-#endif /* _ICE_SWITCH_FILTER_H_ */
>-- 
>2.15.1
>

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