X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=lib%2Flibrte_distributor%2Frte_distributor_private.h;h=250b23e120f3f72742b10e463019b0581170deab;hb=d1b4c30b2422ac497eb89ccad39c18fd8ac4b96f;hp=b1c0f663f8bb5a2f55d992b4e96bf645564c8ea0;hpb=66ec3e8bd2c0a3c36ef965c8efe3983d8a85621f;p=dpdk.git

diff --git a/lib/librte_distributor/rte_distributor_private.h b/lib/librte_distributor/rte_distributor_private.h
index b1c0f663f8..250b23e120 100644
--- a/lib/librte_distributor/rte_distributor_private.h
+++ b/lib/librte_distributor/rte_distributor_private.h
@@ -83,7 +83,7 @@ extern "C" {
  * the next cache line to worker 0, we pad this out to three cache lines.
  * Only 64-bits of the memory is actually used though.
  */
-union rte_distributor_buffer {
+union rte_distributor_buffer_v20 {
 	volatile int64_t bufptr64;
 	char pad[RTE_CACHE_LINE_SIZE*3];
 } __rte_cache_aligned;
@@ -108,8 +108,8 @@ struct rte_distributor_returned_pkts {
 	struct rte_mbuf *mbufs[RTE_DISTRIB_MAX_RETURNS];
 };
 
-struct rte_distributor {
-	TAILQ_ENTRY(rte_distributor) next;    /**< Next in list. */
+struct rte_distributor_v20 {
+	TAILQ_ENTRY(rte_distributor_v20) next;    /**< Next in list. */
 
 	char name[RTE_DISTRIBUTOR_NAMESIZE];  /**< Name of the ring. */
 	unsigned int num_workers;             /**< Number of workers polling */
@@ -124,11 +124,77 @@ struct rte_distributor {
 
 	struct rte_distributor_backlog backlog[RTE_DISTRIB_MAX_WORKERS];
 
-	union rte_distributor_buffer bufs[RTE_DISTRIB_MAX_WORKERS];
+	union rte_distributor_buffer_v20 bufs[RTE_DISTRIB_MAX_WORKERS];
 
 	struct rte_distributor_returned_pkts returns;
 };
 
+/* All different signature compare functions */
+enum rte_distributor_match_function {
+	RTE_DIST_MATCH_SCALAR = 0,
+	RTE_DIST_MATCH_VECTOR,
+	RTE_DIST_NUM_MATCH_FNS
+};
+
+/**
+ * Buffer structure used to pass the pointer data between cores. This is cache
+ * line aligned, but to improve performance and prevent adjacent cache-line
+ * prefetches of buffers for other workers, e.g. when worker 1's buffer is on
+ * the next cache line to worker 0, we pad this out to two cache lines.
+ * We can pass up to 8 mbufs at a time in one cacheline.
+ * There is a separate cacheline for returns in the burst API.
+ */
+struct rte_distributor_buffer {
+	volatile int64_t bufptr64[RTE_DIST_BURST_SIZE]
+		__rte_cache_aligned; /* <= outgoing to worker */
+
+	int64_t pad1 __rte_cache_aligned;    /* <= one cache line  */
+
+	volatile int64_t retptr64[RTE_DIST_BURST_SIZE]
+		__rte_cache_aligned; /* <= incoming from worker */
+
+	int64_t pad2 __rte_cache_aligned;    /* <= one cache line  */
+
+	int count __rte_cache_aligned;       /* <= number of current mbufs */
+};
+
+struct rte_distributor {
+	TAILQ_ENTRY(rte_distributor) next;    /**< Next in list. */
+
+	char name[RTE_DISTRIBUTOR_NAMESIZE];  /**< Name of the ring. */
+	unsigned int num_workers;             /**< Number of workers polling */
+	unsigned int alg_type;                /**< Number of alg types */
+
+	/**>
+	 * First cache line in the this array are the tags inflight
+	 * on the worker core. Second cache line are the backlog
+	 * that are going to go to the worker core.
+	 */
+	uint16_t in_flight_tags[RTE_DISTRIB_MAX_WORKERS][RTE_DIST_BURST_SIZE*2]
+			__rte_cache_aligned;
+
+	struct rte_distributor_backlog backlog[RTE_DISTRIB_MAX_WORKERS]
+			__rte_cache_aligned;
+
+	struct rte_distributor_buffer bufs[RTE_DISTRIB_MAX_WORKERS];
+
+	struct rte_distributor_returned_pkts returns;
+
+	enum rte_distributor_match_function dist_match_fn;
+
+	struct rte_distributor_v20 *d_v20;
+};
+
+void
+find_match_scalar(struct rte_distributor *d,
+			uint16_t *data_ptr,
+			uint16_t *output_ptr);
+
+void
+find_match_vec(struct rte_distributor *d,
+			uint16_t *data_ptr,
+			uint16_t *output_ptr);
+
 #ifdef __cplusplus
 }
 #endif