net/bnxt: add 64B SRAM record management with RM

[dpdk.git] / drivers / net / bnxt / bnxt_cpr.h

diff --git a/drivers/net/bnxt/bnxt_cpr.h b/drivers/net/bnxt/bnxt_cpr.h
index ff9697f..28c0a90 100644 (file)
--- a/drivers/net/bnxt/bnxt_cpr.h
+++ b/drivers/net/bnxt/bnxt_cpr.h
@@ -1,5 +1,5 @@
 /* SPDX-License-Identifier: BSD-3-Clause
- * Copyright(c) 2014-2018 Broadcom
+ * Copyright(c) 2014-2021 Broadcom
  * All rights reserved.
  */
 
@@ -26,6 +26,10 @@ struct bnxt_db_info;
 #define CMP_TYPE(cmp)                                          \
        (((struct cmpl_base *)cmp)->type & CMPL_BASE_TYPE_MASK)
 
+/* Get completion length from completion type, in 16-byte units. */
+#define CMP_LEN(cmp_type) (((cmp_type) & 1) + 1)
+
+
 #define ADV_RAW_CMP(idx, n)    ((idx) + (n))
 #define NEXT_RAW_CMP(idx)      ADV_RAW_CMP(idx, 1)
 #define RING_CMP(ring, idx)    ((idx) & (ring)->ring_mask)
@@ -45,7 +49,7 @@ struct bnxt_db_info;
 } while (0)
 #define B_CP_DB_REARM(cpr, raw_cons)                                   \
        rte_write32((DB_CP_REARM_FLAGS |                                \
-                   RING_CMP(((cpr)->cp_ring_struct), raw_cons)),       \
+                   DB_RING_IDX(&((cpr)->cp_db), raw_cons)),            \
                    ((cpr)->cp_db.doorbell))
 
 #define B_CP_DB_ARM(cpr)       rte_write32((DB_KEY_CP),                \
@@ -65,8 +69,8 @@ struct bnxt_db_info;
 } while (0)
 #define B_CP_DIS_DB(cpr, raw_cons)                                     \
        rte_write32_relaxed((DB_CP_FLAGS |                              \
-                           RING_CMP(((cpr)->cp_ring_struct), raw_cons)), \
-                           ((cpr)->cp_db.doorbell))
+                   DB_RING_IDX(&((cpr)->cp_db), raw_cons)),            \
+                   ((cpr)->cp_db.doorbell))
 
 #define B_CP_DB(cpr, raw_cons, ring_mask)                              \
        rte_write32((DB_CP_FLAGS |                                      \
@@ -80,8 +84,16 @@ struct bnxt_db_info {
                uint32_t        db_key32;
        };
        bool                    db_64;
+       uint32_t                db_ring_mask;
+       uint32_t                db_epoch_mask;
+       uint32_t                db_epoch_shift;
 };
 
+#define DB_EPOCH(db, idx)      (((idx) & (db)->db_epoch_mask) <<       \
+                                ((db)->db_epoch_shift))
+#define DB_RING_IDX(db, idx)   (((idx) & (db)->db_ring_mask) |         \
+                                DB_EPOCH(db, idx))
+
 struct bnxt_ring;
 struct bnxt_cp_ring_info {
        uint32_t                cp_raw_cons;
@@ -95,7 +107,6 @@ struct bnxt_cp_ring_info {
        uint32_t                hw_stats_ctx_id;
 
        struct bnxt_ring        *cp_ring_struct;
-       uint16_t                cp_cons;
        bool                    valid;
 };