net/iavf: support eCPRI message type 0 for RSS

This patch enables eCPRI Message Type 0 with input set physical
channel ID in rte_flow for RSS.

Signed-off-by: Simei Su <simei.su@intel.com>
Acked-by: Qi Zhang <qi.z.zhang@intel.com>

diff --git a/drivers/net/iavf/iavf_hash.c b/drivers/net/iavf/iavf_hash.c
index c4c73e6644be3e3966703ed9c782ed5a69fd302c..a20c33e7fb370192411d31bcb9fbe56ef8f76645 100644 (file)
--- a/drivers/net/iavf/iavf_hash.c
+++ b/drivers/net/iavf/iavf_hash.c
@@ -152,6 +152,10 @@ iavf_hash_parse_pattern_action(struct iavf_adapter *ad,
 #define proto_hdr_gtpc { \
        VIRTCHNL_PROTO_HDR_GTPC, 0, {BUFF_NOUSED} }
 
+#define proto_hdr_ecpri { \
+       VIRTCHNL_PROTO_HDR_ECPRI, \
+       FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_ECPRI_PC_RTC_ID), {BUFF_NOUSED} }
+
 #define TUNNEL_LEVEL_OUTER             0
 #define TUNNEL_LEVEL_INNER             1
 
@@ -288,6 +292,14 @@ struct virtchnl_proto_hdrs ipv6_udp_gtpc_tmplt = {
        TUNNEL_LEVEL_OUTER, 3, {proto_hdr_ipv6, proto_hdr_udp, proto_hdr_gtpc}
 };
 
+struct virtchnl_proto_hdrs eth_ecpri_tmplt = {
+       TUNNEL_LEVEL_OUTER, 2, {proto_hdr_eth, proto_hdr_ecpri}
+};
+
+struct virtchnl_proto_hdrs ipv4_ecpri_tmplt = {
+       TUNNEL_LEVEL_OUTER, 3, {proto_hdr_ipv4, proto_hdr_udp, proto_hdr_ecpri}
+};
+
 /* rss type super set */
 
 /* IPv4 outer */
@@ -399,6 +411,8 @@ static struct iavf_pattern_match_item iavf_hash_pattern_list[] = {
        {iavf_pattern_eth_ipv4_l2tpv3,                  IAVF_RSS_TYPE_IPV4_L2TPV3,      &ipv4_l2tpv3_tmplt},
        {iavf_pattern_eth_ipv4_pfcp,                    IAVF_RSS_TYPE_IPV4_PFCP,        &ipv4_pfcp_tmplt},
        {iavf_pattern_eth_ipv4_gtpc,                    ETH_RSS_IPV4,                   &ipv4_udp_gtpc_tmplt},
+       {iavf_pattern_eth_ecpri,                        ETH_RSS_ECPRI,                  &eth_ecpri_tmplt},
+       {iavf_pattern_eth_ipv4_ecpri,                   ETH_RSS_ECPRI,                  &ipv4_ecpri_tmplt},
        /* IPv6 */
        {iavf_pattern_eth_ipv6,                         IAVF_RSS_TYPE_OUTER_IPV6,       &outer_ipv6_tmplt},
        {iavf_pattern_eth_ipv6_udp,                     IAVF_RSS_TYPE_OUTER_IPV6_UDP,   &outer_ipv6_udp_tmplt},
@@ -525,6 +539,8 @@ iavf_hash_parse_pattern(const struct rte_flow_item pattern[], uint64_t *phint,
 {
        const struct rte_flow_item *item = pattern;
        const struct rte_flow_item_gtp_psc *psc;
+       const struct rte_flow_item_ecpri *ecpri;
+       struct rte_ecpri_common_hdr ecpri_common;
 
        for (item = pattern; item->type != RTE_FLOW_ITEM_TYPE_END; item++) {
                if (item->last) {
@@ -556,6 +572,20 @@ iavf_hash_parse_pattern(const struct rte_flow_item pattern[], uint64_t *phint,
                        else if (psc->pdu_type == IAVF_GTPU_EH_DWNLINK)
                                *phint |= IAVF_PHINT_GTPU_EH_DWN;
                        break;
+               case RTE_FLOW_ITEM_TYPE_ECPRI:
+                       ecpri = item->spec;
+                       ecpri_common.u32 = rte_be_to_cpu_32(
+                                               ecpri->hdr.common.u32);
+                       if (!ecpri)
+                               break;
+                       else if (ecpri_common.type !=
+                                RTE_ECPRI_MSG_TYPE_IQ_DATA) {
+                               rte_flow_error_set(error, EINVAL,
+                                       RTE_FLOW_ERROR_TYPE_ITEM, item,
+                                       "Unsupported common type.");
+                               return -rte_errno;
+                       }
+                       break;
                default:
                        break;
                }
@@ -711,6 +741,10 @@ iavf_refine_proto_hdrs_l234(struct virtchnl_proto_hdrs *proto_hdrs,
                        if (!(rss_type & ETH_RSS_PFCP))
                                hdr->field_selector = 0;
                        break;
+               case VIRTCHNL_PROTO_HDR_ECPRI:
+                       if (!(rss_type & ETH_RSS_ECPRI))
+                               hdr->field_selector = 0;
+                       break;
                default:
                        break;
                }