net/sfc: generalise flow specification structure

[dpdk.git] / drivers / net / sfc / sfc_flow.h

diff --git a/drivers/net/sfc/sfc_flow.h b/drivers/net/sfc/sfc_flow.h
index 14a6b5d..70f0cdf 100644 (file)
--- a/drivers/net/sfc/sfc_flow.h
+++ b/drivers/net/sfc/sfc_flow.h
@@ -35,8 +35,15 @@ struct sfc_flow_rss {
        unsigned int    rss_tbl[EFX_RSS_TBL_SIZE];
 };
 
-/* Filter specification storage */
-struct sfc_flow_spec {
+/* Flow engines supported by the implementation */
+enum sfc_flow_spec_type {
+       SFC_FLOW_SPEC_FILTER = 0,
+
+       SFC_FLOW_SPEC_NTYPES
+};
+
+/* VNIC-specific flow specification */
+struct sfc_flow_spec_filter {
        /* partial specification from flow rule */
        efx_filter_spec_t template;
        /* fully elaborated hardware filters specifications */
@@ -49,9 +56,21 @@ struct sfc_flow_spec {
        struct sfc_flow_rss rss_conf;
 };
 
+/* Flow specification */
+struct sfc_flow_spec {
+       /* Flow specification type (engine-based) */
+       enum sfc_flow_spec_type type;
+
+       RTE_STD_C11
+       union {
+               /* Filter-based (VNIC level flows) specification */
+               struct sfc_flow_spec_filter filter;
+       };
+};
+
 /* PMD-specific definition of the opaque type from rte_flow.h */
 struct rte_flow {
-       struct sfc_flow_spec spec;      /* flow spec for hardware filter(s) */
+       struct sfc_flow_spec spec;      /* flow specification */
        TAILQ_ENTRY(rte_flow) entries;  /* flow list entries */
 };