Adding upstream version 16.2.11+ds.upstream/16.2.11+dsupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 229 insertions, 0 deletions

diff --git a/src/seastar/dpdk/drivers/net/ena/ena_ethdev.h b/src/seastar/dpdk/drivers/net/ena/ena_ethdev.h
new file mode 100644
index 000000000..221760c62
--- /dev/null
+++ b/src/seastar/dpdk/drivers/net/ena/ena_ethdev.h
@@ -0,0 +1,229 @@
+/*-
+* BSD LICENSE
+*
+* Copyright (c) 2015-2016 Amazon.com, Inc. or its affiliates.
+* All rights reserved.
+*
+* Redistribution and use in source and binary forms, with or without
+* modification, are permitted provided that the following conditions
+* are met:
+*
+* * Redistributions of source code must retain the above copyright
+* notice, this list of conditions and the following disclaimer.
+* * Redistributions in binary form must reproduce the above copyright
+* notice, this list of conditions and the following disclaimer in
+* the documentation and/or other materials provided with the
+* distribution.
+* * Neither the name of copyright holder nor the names of its
+* contributors may be used to endorse or promote products derived
+* from this software without specific prior written permission.
+*
+* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+#ifndef _ENA_ETHDEV_H_
+#define _ENA_ETHDEV_H_
+
+#include <rte_cycles.h>
+#include <rte_pci.h>
+#include <rte_bus_pci.h>
+#include <rte_timer.h>
+
+#include "ena_com.h"
+
+#define ENA_REGS_BAR	0
+#define ENA_MEM_BAR	2
+
+#define ENA_MAX_NUM_QUEUES	128
+#define ENA_MIN_FRAME_LEN	64
+#define ENA_NAME_MAX_LEN	20
+#define ENA_PKT_MAX_BUFS	17
+
+#define ENA_MIN_MTU		128
+
+#define ENA_MMIO_DISABLE_REG_READ	BIT(0)
+
+#define ENA_WD_TIMEOUT_SEC	3
+#define ENA_DEVICE_KALIVE_TIMEOUT (ENA_WD_TIMEOUT_SEC * rte_get_timer_hz())
+
+struct ena_adapter;
+
+enum ena_ring_type {
+	ENA_RING_TYPE_RX = 1,
+	ENA_RING_TYPE_TX = 2,
+};
+
+struct ena_tx_buffer {
+	struct rte_mbuf *mbuf;
+	unsigned int tx_descs;
+	unsigned int num_of_bufs;
+	struct ena_com_buf bufs[ENA_PKT_MAX_BUFS];
+};
+
+struct ena_calc_queue_size_ctx {
+	struct ena_com_dev_get_features_ctx *get_feat_ctx;
+	struct ena_com_dev *ena_dev;
+	u16 rx_queue_size;
+	u16 tx_queue_size;
+	u16 max_tx_sgl_size;
+	u16 max_rx_sgl_size;
+};
+
+struct ena_stats_tx {
+	u64 cnt;
+	u64 bytes;
+	u64 prepare_ctx_err;
+	u64 linearize;
+	u64 linearize_failed;
+	u64 tx_poll;
+	u64 doorbells;
+	u64 bad_req_id;
+	u64 available_desc;
+};
+
+struct ena_stats_rx {
+	u64 cnt;
+	u64 bytes;
+	u64 refill_partial;
+	u64 bad_csum;
+	u64 mbuf_alloc_fail;
+	u64 bad_desc_num;
+	u64 bad_req_id;
+};
+
+struct ena_ring {
+	u16 next_to_use;
+	u16 next_to_clean;
+
+	enum ena_ring_type type;
+	enum ena_admin_placement_policy_type tx_mem_queue_type;
+	/* Holds the empty requests for TX/RX OOO completions */
+	union {
+		uint16_t *empty_tx_reqs;
+		uint16_t *empty_rx_reqs;
+	};
+
+	union {
+		struct ena_tx_buffer *tx_buffer_info; /* contex of tx packet */
+		struct rte_mbuf **rx_buffer_info; /* contex of rx packet */
+	};
+	struct rte_mbuf **rx_refill_buffer;
+	unsigned int ring_size; /* number of tx/rx_buffer_info's entries */
+
+	struct ena_com_io_cq *ena_com_io_cq;
+	struct ena_com_io_sq *ena_com_io_sq;
+
+	struct ena_com_rx_buf_info ena_bufs[ENA_PKT_MAX_BUFS]
+						__rte_cache_aligned;
+
+	struct rte_mempool *mb_pool;
+	unsigned int port_id;
+	unsigned int id;
+	/* Max length PMD can push to device for LLQ */
+	uint8_t tx_max_header_size;
+	int configured;
+
+	uint8_t *push_buf_intermediate_buf;
+
+	struct ena_adapter *adapter;
+	uint64_t offloads;
+	u16 sgl_size;
+
+	union {
+		struct ena_stats_rx rx_stats;
+		struct ena_stats_tx tx_stats;
+	};
+} __rte_cache_aligned;
+
+enum ena_adapter_state {
+	ENA_ADAPTER_STATE_FREE    = 0,
+	ENA_ADAPTER_STATE_INIT    = 1,
+	ENA_ADAPTER_STATE_RUNNING = 2,
+	ENA_ADAPTER_STATE_STOPPED = 3,
+	ENA_ADAPTER_STATE_CONFIG  = 4,
+	ENA_ADAPTER_STATE_CLOSED  = 5,
+};
+
+struct ena_driver_stats {
+	rte_atomic64_t ierrors;
+	rte_atomic64_t oerrors;
+	rte_atomic64_t rx_nombuf;
+	rte_atomic64_t rx_drops;
+};
+
+struct ena_stats_dev {
+	u64 wd_expired;
+	u64 dev_start;
+	u64 dev_stop;
+};
+
+struct ena_offloads {
+	bool tso4_supported;
+	bool tx_csum_supported;
+	bool rx_csum_supported;
+};
+
+/* board specific private data structure */
+struct ena_adapter {
+	/* OS defined structs */
+	struct rte_pci_device *pdev;
+	struct rte_eth_dev_data *rte_eth_dev_data;
+	struct rte_eth_dev *rte_dev;
+
+	struct ena_com_dev ena_dev __rte_cache_aligned;
+
+	/* TX */
+	struct ena_ring tx_ring[ENA_MAX_NUM_QUEUES] __rte_cache_aligned;
+	int tx_ring_size;
+	u16 max_tx_sgl_size;
+
+	/* RX */
+	struct ena_ring rx_ring[ENA_MAX_NUM_QUEUES] __rte_cache_aligned;
+	int rx_ring_size;
+	u16 max_rx_sgl_size;
+
+	u16 num_queues;
+	u16 max_mtu;
+	struct ena_offloads offloads;
+
+	int id_number;
+	char name[ENA_NAME_MAX_LEN];
+	u8 mac_addr[ETHER_ADDR_LEN];
+
+	void *regs;
+	void *dev_mem_base;
+
+	struct ena_driver_stats *drv_stats;
+	enum ena_adapter_state state;
+
+	uint64_t tx_supported_offloads;
+	uint64_t tx_selected_offloads;
+	uint64_t rx_supported_offloads;
+	uint64_t rx_selected_offloads;
+
+	bool link_status;
+
+	enum ena_regs_reset_reason_types reset_reason;
+
+	struct rte_timer timer_wd;
+	uint64_t timestamp_wd;
+	uint64_t keep_alive_timeout;
+
+	struct ena_stats_dev dev_stats;
+
+	bool trigger_reset;
+
+	bool wd_state;
+};
+
+#endif /* _ENA_ETHDEV_H_ */