New upstream version 18.11-rc1upstream/18.11-rc1

Change-Id: Iaa71986dd6332e878d8f4bf493101b2bbc6313bb
Signed-off-by: Luca Boccassi <luca.boccassi@gmail.com>

1 files changed, 113 insertions, 0 deletions

diff --git a/drivers/net/enetc/enetc.h b/drivers/net/enetc/enetc.h
new file mode 100644
index 00000000..0e80d1c5
--- /dev/null
+++ b/drivers/net/enetc/enetc.h
@@ -0,0 +1,113 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright 2018 NXP
+ */
+
+#ifndef _ENETC_H_
+#define _ENETC_H_
+
+#include <rte_time.h>
+
+#include "base/enetc_hw.h"
+
+#define PCI_VENDOR_ID_FREESCALE 0x1957
+
+/* Max TX rings per ENETC. */
+#define MAX_TX_RINGS	2
+
+/* Max RX rings per ENTEC. */
+#define MAX_RX_RINGS	1
+
+/* Max BD counts per Ring. */
+#define MAX_BD_COUNT   64000
+/* Min BD counts per Ring. */
+#define MIN_BD_COUNT   32
+/* BD ALIGN */
+#define BD_ALIGN       8
+
+/*
+ * upper_32_bits - return bits 32-63 of a number
+ * @n: the number we're accessing
+ *
+ * A basic shift-right of a 64- or 32-bit quantity.  Use this to suppress
+ * the "right shift count >= width of type" warning when that quantity is
+ * 32-bits.
+ */
+#define upper_32_bits(n) ((uint32_t)(((n) >> 16) >> 16))
+
+/*
+ * lower_32_bits - return bits 0-31 of a number
+ * @n: the number we're accessing
+ */
+#define lower_32_bits(n) ((uint32_t)(n))
+
+#define ENETC_TXBD(BDR, i) (&(((struct enetc_tx_bd *)((BDR).bd_base))[i]))
+#define ENETC_RXBD(BDR, i) (&(((union enetc_rx_bd *)((BDR).bd_base))[i]))
+
+struct enetc_swbd {
+	struct rte_mbuf *buffer_addr;
+};
+
+struct enetc_bdr {
+	struct rte_eth_dev *ndev;
+	struct rte_mempool *mb_pool;   /* mbuf pool to populate RX ring. */
+	void *bd_base;			/* points to Rx or Tx BD ring */
+	union {
+		void *tcir;
+		void *rcir;
+	};
+	uint16_t index;
+	int bd_count; /* # of BDs */
+	int next_to_use;
+	int next_to_clean;
+	struct enetc_swbd *q_swbd;
+	union {
+		void *tcisr; /* Tx */
+		int next_to_alloc; /* Rx */
+	};
+};
+
+/*
+ * Structure to store private data for each driver instance (for each port).
+ */
+struct enetc_eth_adapter {
+	struct rte_eth_dev *ndev;
+	struct enetc_eth_hw hw;
+};
+
+#define ENETC_DEV_PRIVATE(adapter) \
+	((struct enetc_eth_adapter *)adapter)
+
+#define ENETC_DEV_PRIVATE_TO_HW(adapter) \
+	(&((struct enetc_eth_adapter *)adapter)->hw)
+
+#define ENETC_DEV_PRIVATE_TO_STATS(adapter) \
+	(&((struct enetc_eth_adapter *)adapter)->stats)
+
+#define ENETC_DEV_PRIVATE_TO_INTR(adapter) \
+	(&((struct enetc_eth_adapter *)adapter)->intr)
+
+#define ENETC_GET_HW_ADDR(reg, addr) ((void *)(((size_t)reg) + (addr)))
+#define ENETC_REG_READ(addr) (*(uint32_t *)addr)
+#define ENETC_REG_WRITE(addr, val) (*(uint32_t *)addr = val)
+#define ENETC_REG_WRITE_RELAXED(addr, val) (*(uint32_t *)addr = val)
+
+/*
+ * RX/TX ENETC function prototypes
+ */
+uint16_t enetc_xmit_pkts(void *txq, struct rte_mbuf **tx_pkts,
+		uint16_t nb_pkts);
+uint16_t enetc_recv_pkts(void *rxq, struct rte_mbuf **rx_pkts,
+		uint16_t nb_pkts);
+
+
+int enetc_refill_rx_ring(struct enetc_bdr *rx_ring, const int buff_cnt);
+
+static inline int
+enetc_bd_unused(struct enetc_bdr *bdr)
+{
+	if (bdr->next_to_clean > bdr->next_to_use)
+		return bdr->next_to_clean - bdr->next_to_use - 1;
+
+	return bdr->bd_count + bdr->next_to_clean - bdr->next_to_use - 1;
+}
+#endif /* _ENETC_H_ */