drivers/net/cnxk/cn9k_rte_flow.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(C) 2020 Marvell.
   3  */
   4 #include <cnxk_rte_flow.h>
   5 #include "cn9k_ethdev.h"
   6 #include "cn9k_rte_flow.h"
   7 #include "cn9k_rx.h"
   8
   9 struct rte_flow *
  10 cn9k_flow_create(struct rte_eth_dev *eth_dev, const struct rte_flow_attr *attr,
  11                  const struct rte_flow_item pattern[],
  12                  const struct rte_flow_action actions[],
  13                  struct rte_flow_error *error)
  14 {
  15         struct cnxk_eth_dev *dev = cnxk_eth_pmd_priv(eth_dev);
  16         int mark_actions = 0, vtag_actions = 0;
  17         struct roc_npc *npc = &dev->npc;
  18         struct roc_npc_flow *flow;
  19
  20         flow = cnxk_flow_create(eth_dev, attr, pattern, actions, error);
  21         if (!flow)
  22                 return NULL;
  23
  24         mark_actions = roc_npc_mark_actions_get(npc);
  25
  26         if (mark_actions) {
  27                 dev->rx_offload_flags |= NIX_RX_OFFLOAD_MARK_UPDATE_F;
  28                 cn9k_eth_set_rx_function(eth_dev);
  29         }
  30
  31         vtag_actions = roc_npc_vtag_actions_get(npc);
  32
  33         if (vtag_actions) {
  34                 dev->rx_offload_flags |= NIX_RX_OFFLOAD_VLAN_STRIP_F;
  35                 cn9k_eth_set_rx_function(eth_dev);
  36         }
  37
  38         return (struct rte_flow *)flow;
  39 }
  40
  41 int
  42 cn9k_flow_destroy(struct rte_eth_dev *eth_dev, struct rte_flow *rte_flow,
  43                   struct rte_flow_error *error)
  44 {
  45         struct roc_npc_flow *flow = (struct roc_npc_flow *)rte_flow;
  46         struct cnxk_eth_dev *dev = cnxk_eth_pmd_priv(eth_dev);
  47         int mark_actions = 0, vtag_actions = 0;
  48         struct roc_npc *npc = &dev->npc;
  49
  50         mark_actions = roc_npc_mark_actions_get(npc);
  51         if (mark_actions) {
  52                 mark_actions = roc_npc_mark_actions_sub_return(npc, 1);
  53                 if (mark_actions == 0) {
  54                         dev->rx_offload_flags &= ~NIX_RX_OFFLOAD_MARK_UPDATE_F;
  55                         cn9k_eth_set_rx_function(eth_dev);
  56                 }
  57         }
  58
  59         vtag_actions = roc_npc_vtag_actions_get(npc);
  60         if (vtag_actions) {
  61                 if (flow->nix_intf == ROC_NPC_INTF_RX) {
  62                         vtag_actions = roc_npc_vtag_actions_sub_return(npc, 1);
  63                         if (vtag_actions == 0) {
  64                                 dev->rx_offload_flags &=
  65                                         ~NIX_RX_OFFLOAD_VLAN_STRIP_F;
  66                                 cn9k_eth_set_rx_function(eth_dev);
  67                         }
  68                 }
  69         }
  70
  71         return cnxk_flow_destroy(eth_dev, flow, error);
  72 }