1 files changed, 76 insertions, 0 deletions
diff --git a/src/spdk/dpdk/drivers/net/bnxt/bnxt_ring.h b/src/spdk/dpdk/drivers/net/bnxt/bnxt_ring.h
new file mode 100644
index 00000000..1446d784
--- /dev/null
+++ b/src/spdk/dpdk/drivers/net/bnxt/bnxt_ring.h
@@ -0,0 +1,76 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2014-2018 Broadcom
+ * All rights reserved.
+ */
+
+#ifndef _BNXT_RING_H_
+#define _BNXT_RING_H_
+
+#include <inttypes.h>
+
+#include <rte_memory.h>
+
+#define RING_NEXT(ring, idx)		(((idx) + 1) & (ring)->ring_mask)
+
+#define DB_IDX_MASK						0xffffff
+#define DB_IDX_VALID						(0x1 << 26)
+#define DB_IRQ_DIS						(0x1 << 27)
+#define DB_KEY_TX						(0x0 << 28)
+#define DB_KEY_RX						(0x1 << 28)
+#define DB_KEY_CP						(0x2 << 28)
+#define DB_KEY_ST						(0x3 << 28)
+#define DB_KEY_TX_PUSH						(0x4 << 28)
+#define DB_LONG_TX_PUSH						(0x2 << 24)
+
+#define DEFAULT_CP_RING_SIZE	256
+#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_MULTIPLIER	2
+
+/* These assume 4k pages */
+#define MAX_RX_DESC_CNT (8 * 1024)
+#define MAX_TX_DESC_CNT (4 * 1024)
+#define MAX_CP_DESC_CNT (16 * 1024)
+
+#define INVALID_HW_RING_ID      ((uint16_t)-1)
+#define INVALID_STATS_CTX_ID		((uint16_t)-1)
+
+struct bnxt_ring {
+	void			*bd;
+	rte_iova_t		bd_dma;
+	uint32_t		ring_size;
+	uint32_t		ring_mask;
+
+	int			vmem_size;
+	void			**vmem;
+
+	uint16_t		fw_ring_id; /* Ring id filled by Chimp FW */
+	const void		*mem_zone;
+};
+
+struct bnxt_ring_grp_info {
+	uint16_t	fw_stats_ctx;
+	uint16_t	fw_grp_id;
+	uint16_t	rx_fw_ring_id;
+	uint16_t	cp_fw_ring_id;
+	uint16_t	ag_fw_ring_id;
+};
+
+struct bnxt;
+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_rings(struct bnxt *bp, uint16_t qidx,
+			    struct bnxt_tx_queue *txq,
+			    struct bnxt_rx_queue *rxq,
+			    struct bnxt_cp_ring_info *cp_ring_info,
+			    const char *suffix);
+int bnxt_alloc_hwrm_rx_ring(struct bnxt *bp, int queue_index);
+int bnxt_alloc_hwrm_rings(struct bnxt *bp);
+
+#endif