net/bnxt: update copyright year

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

diff --git a/drivers/net/bnxt/bnxt_ring.h b/drivers/net/bnxt/bnxt_ring.h
index af2c576..b8b666b 100644 (file)
--- a/drivers/net/bnxt/bnxt_ring.h
+++ b/drivers/net/bnxt/bnxt_ring.h
@@ -1,5 +1,5 @@
 /* SPDX-License-Identifier: BSD-3-Clause
- * Copyright(c) 2014-2018 Broadcom
+ * Copyright(c) 2014-2021 Broadcom
  * All rights reserved.
  */
 
@@ -10,8 +10,9 @@
 
 #include <rte_memory.h>
 
-#define RING_ADV(ring, idx, n)         (((idx) + (n)) & (ring)->ring_mask)
-#define RING_NEXT(ring, idx)           RING_ADV(ring, idx, 1)
+#define RING_ADV(idx, n)               ((idx) + (n))
+#define RING_NEXT(idx)                 RING_ADV(idx, 1)
+#define RING_IDX(ring, idx)            ((idx) & (ring)->ring_mask)
 
 #define DB_IDX_MASK                                            0xffffff
 #define DB_IDX_VALID                                           (0x1 << 26)
@@ -27,8 +28,7 @@
 #define DEFAULT_RX_RING_SIZE   256
 #define DEFAULT_TX_RING_SIZE   256
 
-#define BNXT_TPA_MAX           64
-#define AGG_RING_SIZE_FACTOR   2
+#define AGG_RING_SIZE_FACTOR   4
 #define AGG_RING_MULTIPLIER    2
 
 /* These assume 4k pages */
@@ -66,7 +66,7 @@ struct bnxt_tx_ring_info;
 struct bnxt_rx_ring_info;
 struct bnxt_cp_ring_info;
 void bnxt_free_ring(struct bnxt_ring *ring);
-int bnxt_init_ring_grps(struct bnxt *bp);
+int bnxt_alloc_ring_grps(struct bnxt *bp);
 int bnxt_alloc_rings(struct bnxt *bp, uint16_t qidx,
                            struct bnxt_tx_queue *txq,
                            struct bnxt_rx_queue *rxq,
@@ -75,36 +75,72 @@ int bnxt_alloc_rings(struct bnxt *bp, uint16_t qidx,
                            const char *suffix);
 int bnxt_alloc_hwrm_rx_ring(struct bnxt *bp, int queue_index);
 int bnxt_alloc_hwrm_rings(struct bnxt *bp);
+int bnxt_alloc_async_cp_ring(struct bnxt *bp);
+void bnxt_free_async_cp_ring(struct bnxt *bp);
+int bnxt_alloc_async_ring_struct(struct bnxt *bp);
+int bnxt_alloc_rxtx_nq_ring(struct bnxt *bp);
+void bnxt_free_rxtx_nq_ring(struct bnxt *bp);
 
 static inline void bnxt_db_write(struct bnxt_db_info *db, uint32_t idx)
 {
-       if (db->db_64)
-               rte_write64_relaxed(db->db_key64 | idx, db->doorbell);
-       else
-               rte_write32(db->db_key32 | idx, db->doorbell);
+       uint32_t db_idx = DB_RING_IDX(db, idx);
+       void *doorbell = db->doorbell;
+
+       if (db->db_64) {
+               uint64_t key_idx = db->db_key64 | db_idx;
+
+               rte_write64(key_idx, doorbell);
+       } else {
+               uint32_t key_idx = db->db_key32 | db_idx;
+
+               rte_write32(key_idx, doorbell);
+       }
 }
 
+/* Ring an NQ doorbell and disable interrupts for the ring. */
 static inline void bnxt_db_nq(struct bnxt_cp_ring_info *cpr)
 {
-       struct bnxt_db_info *db = &cpr->cp_db;
+       uint32_t db_idx = DB_RING_IDX(&cpr->cp_db, cpr->cp_raw_cons);
+       uint64_t key_idx = cpr->cp_db.db_key64 | DBR_TYPE_NQ | db_idx;
+       void *doorbell = cpr->cp_db.doorbell;
 
-       rte_smp_wmb();
-       if (likely(db->db_64))
-               rte_write64(db->db_key64 | DBR_TYPE_NQ |
-                           RING_CMP(cpr->cp_ring_struct, cpr->cp_raw_cons),
-                           db->doorbell);
+
+       if (unlikely(!cpr->cp_db.db_64))
+               return;
+
+       rte_write64(key_idx, doorbell);
+}
+
+/* Ring an NQ doorbell and enable interrupts for the ring. */
+static inline void bnxt_db_nq_arm(struct bnxt_cp_ring_info *cpr)
+{
+       uint32_t db_idx = DB_RING_IDX(&cpr->cp_db, cpr->cp_raw_cons);
+       uint64_t key_idx = cpr->cp_db.db_key64 | DBR_TYPE_NQ_ARM | db_idx;
+       void *doorbell = cpr->cp_db.doorbell;
+
+       if (unlikely(!cpr->cp_db.db_64))
+               return;
+
+       rte_write64(key_idx, doorbell);
 }
 
 static inline void bnxt_db_cq(struct bnxt_cp_ring_info *cpr)
 {
        struct bnxt_db_info *db = &cpr->cp_db;
-       uint32_t idx = RING_CMP(cpr->cp_ring_struct, cpr->cp_raw_cons);
+       uint32_t idx = DB_RING_IDX(&cpr->cp_db, cpr->cp_raw_cons);
+
+       if (db->db_64) {
+               uint64_t key_idx = db->db_key64 | idx;
+               void *doorbell = db->doorbell;
+
+               rte_compiler_barrier();
+               rte_write64_relaxed(key_idx, doorbell);
+       } else {
+               uint32_t cp_raw_cons = cpr->cp_raw_cons;
 
-       rte_smp_wmb();
-       if (db->db_64)
-               rte_write64(db->db_key64 | idx, db->doorbell);
-       else
-               B_CP_DIS_DB(cpr, cpr->cp_raw_cons);
+               rte_compiler_barrier();
+               B_CP_DIS_DB(cpr, cp_raw_cons);
+       }
 }
 
 #endif