[dpdk-dev] [PATCH v3 4/5] net/iavf: add support for FDIR PFCP

[Simei Su]

This patch enables PFCP node and sesssion packets with S_FIELD
for flow director filter.

Signed-off-by: Simei Su <simei...@intel.com>
---
 drivers/net/iavf/iavf_fdir.c | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)

diff --git a/drivers/net/iavf/iavf_fdir.c b/drivers/net/iavf/iavf_fdir.c
index 58d1821..d57bbf9 100644
--- a/drivers/net/iavf/iavf_fdir.c
+++ b/drivers/net/iavf/iavf_fdir.c
@@ -92,6 +92,9 @@
        IAVF_INSET_IPV6_SRC | IAVF_INSET_IPV6_DST | \
        IAVF_INSET_ESP_SPI)
 
+#define IAVF_FDIR_INSET_PFCP (\
+       IAVF_INSET_PFCP_S_FIELD)
+
 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},
@@ -112,6 +115,8 @@
        {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},
+       {iavf_pattern_eth_ipv4_pfcp,            IAVF_FDIR_INSET_PFCP,           
        IAVF_INSET_NONE},
+       {iavf_pattern_eth_ipv6_pfcp,            IAVF_FDIR_INSET_PFCP,           
        IAVF_INSET_NONE},
 };
 
 static struct iavf_flow_parser iavf_fdir_parser;
@@ -403,6 +408,7 @@
        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;
+       const struct rte_flow_item_pfcp *pfcp_spec, *pfcp_mask;
        uint64_t input_set = IAVF_INSET_NONE;
 
        enum rte_flow_item_type next_type;
@@ -820,6 +826,27 @@
                        filter->add_fltr.rule_cfg.proto_hdrs.count = ++layer;
                        break;
 
+               case RTE_FLOW_ITEM_TYPE_PFCP:
+                       pfcp_spec = item->spec;
+                       pfcp_mask = item->mask;
+
+                       hdr = 
&filter->add_fltr.rule_cfg.proto_hdrs.proto_hdr[layer];
+
+                       VIRTCHNL_SET_PROTO_HDR_TYPE(hdr, PFCP);
+
+                       if (pfcp_spec && pfcp_mask) {
+                               if (pfcp_mask->s_field == UINT8_MAX) {
+                                       input_set |= IAVF_INSET_PFCP_S_FIELD;
+                                       VIRTCHNL_ADD_PROTO_HDR_FIELD_BIT(hdr, 
PFCP, S_FIELD);
+                               }
+
+                               rte_memcpy(hdr->buffer, pfcp_spec,
+                                       sizeof(*pfcp_spec));
+                       }
+
+                       filter->add_fltr.rule_cfg.proto_hdrs.count = ++layer;
+                       break;
+
                case RTE_FLOW_ITEM_TYPE_VOID:
                        break;
 
-- 
1.8.3.1