This patch enables L2TPv3 with SESSION_ID, ESP/AH with SPI, NAT-T
with SPI and IP src/dst for flow director filter.

Signed-off-by: Simei Su <simei...@intel.com>
Reviewed-by: Qi Zhang <qi.z.zh...@intel.com>
---
 drivers/net/iavf/iavf_fdir.c | 91 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 91 insertions(+)

diff --git a/drivers/net/iavf/iavf_fdir.c b/drivers/net/iavf/iavf_fdir.c
index 7c0bb14..1e59c7b 100644
--- a/drivers/net/iavf/iavf_fdir.c
+++ b/drivers/net/iavf/iavf_fdir.c
@@ -75,6 +75,23 @@
        IAVF_INSET_IPV4_SRC | IAVF_INSET_IPV4_DST | \
        IAVF_INSET_GTPU_TEID | IAVF_INSET_GTPU_QFI)
 
+#define IAVF_FDIR_INSET_L2TPV3OIP (\
+       IAVF_L2TPV3OIP_SESSION_ID)
+
+#define IAVF_FDIR_INSET_ESP (\
+       IAVF_INSET_ESP_SPI)
+
+#define IAVF_FDIR_INSET_AH (\
+       IAVF_INSET_AH_SPI)
+
+#define IAVF_FDIR_INSET_IPV4_NATT_ESP (\
+       IAVF_INSET_IPV4_SRC | IAVF_INSET_IPV4_DST | \
+       IAVF_INSET_ESP_SPI)
+
+#define IAVF_FDIR_INSET_IPV6_NATT_ESP (\
+       IAVF_INSET_IPV6_SRC | IAVF_INSET_IPV6_DST | \
+       IAVF_INSET_ESP_SPI)
+
 static struct iavf_pattern_match_item iavf_fdir_pattern[] = {
        {iavf_pattern_ethertype,                IAVF_FDIR_INSET_ETH,            
        IAVF_INSET_NONE},
        {iavf_pattern_eth_ipv4,                 IAVF_FDIR_INSET_ETH_IPV4,       
        IAVF_INSET_NONE},
@@ -87,6 +104,14 @@
        {iavf_pattern_eth_ipv6_sctp,            IAVF_FDIR_INSET_ETH_IPV6_SCTP,  
        IAVF_INSET_NONE},
        {iavf_pattern_eth_ipv4_gtpu,            IAVF_FDIR_INSET_GTPU,           
        IAVF_INSET_NONE},
        {iavf_pattern_eth_ipv4_gtpu_eh,         IAVF_FDIR_INSET_GTPU_EH,        
        IAVF_INSET_NONE},
+       {iavf_pattern_eth_ipv4_l2tpv3,          IAVF_FDIR_INSET_L2TPV3OIP,      
        IAVF_INSET_NONE},
+       {iavf_pattern_eth_ipv6_l2tpv3,          IAVF_FDIR_INSET_L2TPV3OIP,      
        IAVF_INSET_NONE},
+       {iavf_pattern_eth_ipv4_esp,             IAVF_FDIR_INSET_ESP,            
        IAVF_INSET_NONE},
+       {iavf_pattern_eth_ipv6_esp,             IAVF_FDIR_INSET_ESP,            
        IAVF_INSET_NONE},
+       {iavf_pattern_eth_ipv4_ah,              IAVF_FDIR_INSET_AH,             
        IAVF_INSET_NONE},
+       {iavf_pattern_eth_ipv6_ah,              IAVF_FDIR_INSET_AH,             
        IAVF_INSET_NONE},
+       {iavf_pattern_eth_ipv4_udp_esp,         IAVF_FDIR_INSET_IPV4_NATT_ESP,  
        IAVF_INSET_NONE},
+       {iavf_pattern_eth_ipv6_udp_esp,         IAVF_FDIR_INSET_IPV6_NATT_ESP,  
        IAVF_INSET_NONE},
 };
 
 static struct iavf_flow_parser iavf_fdir_parser;
@@ -374,6 +399,9 @@
        const struct rte_flow_item_sctp *sctp_spec, *sctp_mask;
        const struct rte_flow_item_gtp *gtp_spec, *gtp_mask;
        const struct rte_flow_item_gtp_psc *gtp_psc_spec, *gtp_psc_mask;
+       const struct rte_flow_item_l2tpv3oip *l2tpv3oip_spec, *l2tpv3oip_mask;
+       const struct rte_flow_item_esp *esp_spec, *esp_mask;
+       const struct rte_flow_item_ah *ah_spec, *ah_mask;
        uint64_t input_set = IAVF_INSET_NONE;
 
        enum rte_flow_item_type next_type;
@@ -727,6 +755,69 @@
                        filter->add_fltr.rule_cfg.proto_hdrs.count = ++layer;
                        break;
 
+               case RTE_FLOW_ITEM_TYPE_L2TPV3OIP:
+                       l2tpv3oip_spec = item->spec;
+                       l2tpv3oip_mask = item->mask;
+
+                       hdr = 
&filter->add_fltr.rule_cfg.proto_hdrs.proto_hdr[layer];
+
+                       VIRTCHNL_SET_PROTO_HDR_TYPE(hdr, L2TPV3);
+
+                       if (l2tpv3oip_spec && l2tpv3oip_mask) {
+                               if (l2tpv3oip_mask->session_id == UINT32_MAX) {
+                                       input_set |= IAVF_L2TPV3OIP_SESSION_ID;
+                                       VIRTCHNL_ADD_PROTO_HDR_FIELD_BIT(hdr, 
L2TPV3, SESS_ID);
+                               }
+
+                               rte_memcpy(hdr->buffer, l2tpv3oip_spec,
+                                       sizeof(*l2tpv3oip_spec));
+                       }
+
+                       filter->add_fltr.rule_cfg.proto_hdrs.count = ++layer;
+                       break;
+
+               case RTE_FLOW_ITEM_TYPE_ESP:
+                       esp_spec = item->spec;
+                       esp_mask = item->mask;
+
+                       hdr = 
&filter->add_fltr.rule_cfg.proto_hdrs.proto_hdr[layer];
+
+                       VIRTCHNL_SET_PROTO_HDR_TYPE(hdr, ESP);
+
+                       if (esp_spec && esp_mask) {
+                               if (esp_mask->hdr.spi == UINT32_MAX) {
+                                       input_set |= IAVF_INSET_ESP_SPI;
+                                       VIRTCHNL_ADD_PROTO_HDR_FIELD_BIT(hdr, 
ESP, SPI);
+                               }
+
+                               rte_memcpy(hdr->buffer, &esp_spec->hdr,
+                                       sizeof(esp_spec->hdr));
+                       }
+
+                       filter->add_fltr.rule_cfg.proto_hdrs.count = ++layer;
+                       break;
+
+               case RTE_FLOW_ITEM_TYPE_AH:
+                       ah_spec = item->spec;
+                       ah_mask = item->mask;
+
+                       hdr = 
&filter->add_fltr.rule_cfg.proto_hdrs.proto_hdr[layer];
+
+                       VIRTCHNL_SET_PROTO_HDR_TYPE(hdr, AH);
+
+                       if (ah_spec && ah_mask) {
+                               if (ah_mask->spi == UINT32_MAX) {
+                                       input_set |= IAVF_INSET_AH_SPI;
+                                       VIRTCHNL_ADD_PROTO_HDR_FIELD_BIT(hdr, 
AH, SPI);
+                               }
+
+                               rte_memcpy(hdr->buffer, ah_spec,
+                                       sizeof(*ah_spec));
+                       }
+
+                       filter->add_fltr.rule_cfg.proto_hdrs.count = ++layer;
+                       break;
+
                case RTE_FLOW_ITEM_TYPE_VOID:
                        break;
 
-- 
1.8.3.1

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