net/i40e: support flow director for L2TPv3 over IP

[dpdk.git] / drivers / net / i40e / i40e_flow.c

diff --git a/drivers/net/i40e/i40e_flow.c b/drivers/net/i40e/i40e_flow.c
index 6102103..949ecc8 100644 (file)
--- a/drivers/net/i40e/i40e_flow.c
+++ b/drivers/net/i40e/i40e_flow.c
@@ -1615,6 +1615,20 @@ static enum rte_flow_item_type pattern_qinq_1[] = {
        RTE_FLOW_ITEM_TYPE_END,
 };
 
+static enum rte_flow_item_type pattern_fdir_ipv4_l2tpv3oip[] = {
+       RTE_FLOW_ITEM_TYPE_ETH,
+       RTE_FLOW_ITEM_TYPE_IPV4,
+       RTE_FLOW_ITEM_TYPE_L2TPV3OIP,
+       RTE_FLOW_ITEM_TYPE_END,
+};
+
+static enum rte_flow_item_type pattern_fdir_ipv6_l2tpv3oip[] = {
+       RTE_FLOW_ITEM_TYPE_ETH,
+       RTE_FLOW_ITEM_TYPE_IPV6,
+       RTE_FLOW_ITEM_TYPE_L2TPV3OIP,
+       RTE_FLOW_ITEM_TYPE_END,
+};
+
 static struct i40e_valid_pattern i40e_supported_patterns[] = {
        /* Ethertype */
        { pattern_ethertype, i40e_flow_parse_ethertype_filter },
@@ -1795,6 +1809,9 @@ static struct i40e_valid_pattern i40e_supported_patterns[] = {
        { pattern_fdir_ipv6_gtpu, i40e_flow_parse_gtp_filter },
        /* QINQ */
        { pattern_qinq_1, i40e_flow_parse_qinq_filter },
+       /* L2TPv3 over IP */
+       { pattern_fdir_ipv4_l2tpv3oip, i40e_flow_parse_fdir_filter },
+       { pattern_fdir_ipv6_l2tpv3oip, i40e_flow_parse_fdir_filter },
 };
 
 #define NEXT_ITEM_OF_ACTION(act, actions, index)                        \
@@ -2420,6 +2437,15 @@ i40e_flow_fdir_get_pctype_value(struct i40e_pf *pf,
                        cus_pctype = i40e_find_customized_pctype(pf,
                                                 I40E_CUSTOMIZED_GTPU_IPV6);
                break;
+       case RTE_FLOW_ITEM_TYPE_L2TPV3OIP:
+               if (filter->input.flow_ext.oip_type == I40E_FDIR_IPTYPE_IPV4)
+                       cus_pctype = i40e_find_customized_pctype(pf,
+                                               I40E_CUSTOMIZED_IPV4_L2TPV3);
+               else if (filter->input.flow_ext.oip_type ==
+                        I40E_FDIR_IPTYPE_IPV6)
+                       cus_pctype = i40e_find_customized_pctype(pf,
+                                               I40E_CUSTOMIZED_IPV6_L2TPV3);
+               break;
        default:
                PMD_DRV_LOG(ERR, "Unsupported item type");
                break;
@@ -2461,6 +2487,7 @@ i40e_flow_parse_fdir_pattern(struct rte_eth_dev *dev,
        const struct rte_flow_item_gtp *gtp_spec, *gtp_mask;
        const struct rte_flow_item_raw *raw_spec, *raw_mask;
        const struct rte_flow_item_vf *vf_spec;
+       const struct rte_flow_item_l2tpv3oip *l2tpv3oip_spec, *l2tpv3oip_mask;
 
        uint8_t pctype = 0;
        uint64_t input_set = I40E_INSET_NONE;
@@ -3012,6 +3039,36 @@ i40e_flow_parse_fdir_pattern(struct rte_eth_dev *dev,
                                return -rte_errno;
                        }
                        break;
+               case RTE_FLOW_ITEM_TYPE_L2TPV3OIP:
+                       l2tpv3oip_spec = item->spec;
+                       l2tpv3oip_mask = item->mask;
+
+                       if (!l2tpv3oip_spec || !l2tpv3oip_mask)
+                               break;
+
+                       if (l2tpv3oip_mask->session_id != UINT32_MAX) {
+                               rte_flow_error_set(error, EINVAL,
+                                       RTE_FLOW_ERROR_TYPE_ITEM,
+                                       item,
+                                       "Invalid L2TPv3 mask");
+                               return -rte_errno;
+                       }
+
+                       if (l3 == RTE_FLOW_ITEM_TYPE_IPV4) {
+                               filter->input.flow.ip4_l2tpv3oip_flow.session_id =
+                                       l2tpv3oip_spec->session_id;
+                               filter->input.flow_ext.oip_type =
+                                       I40E_FDIR_IPTYPE_IPV4;
+                       } else if (l3 == RTE_FLOW_ITEM_TYPE_IPV6) {
+                               filter->input.flow.ip6_l2tpv3oip_flow.session_id =
+                                       l2tpv3oip_spec->session_id;
+                               filter->input.flow_ext.oip_type =
+                                       I40E_FDIR_IPTYPE_IPV6;
+                       }
+
+                       filter->input.flow_ext.customized_pctype = true;
+                       cus_proto = item_type;
+                       break;
                default:
                        break;
                }