-/*-
- * BSD LICENSE
- *
- * Copyright 2012 6WIND S.A.
- * Copyright 2012 Mellanox
- *
- * 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 6WIND S.A. 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.
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright 2012 6WIND S.A.
+ * Copyright 2012 Mellanox Technologies, Ltd
*/
#ifndef RTE_PMD_MLX4_H_
#pragma GCC diagnostic error "-Wpedantic"
#endif
-#include <rte_ethdev.h>
+#include <rte_ethdev_driver.h>
#include <rte_ether.h>
#include <rte_interrupts.h>
#include <rte_mempool.h>
-#include <rte_spinlock.h>
+#include <rte_rwlock.h>
+
+#include "mlx4_mr.h"
#ifndef IBV_RX_HASH_INNER
/** This is not necessarily defined by supported RDMA core versions. */
/** Fixed RSS hash key size in bytes. Cannot be modified. */
#define MLX4_RSS_HASH_KEY_SIZE 40
-/**
- * Maximum number of cached Memory Pools (MPs) per TX queue. Each RTE MP
- * from which buffers are to be transmitted will have to be mapped by this
- * driver to their own Memory Region (MR). This is a slow operation.
- *
- * This value is always 1 for RX queues.
- */
-#ifndef MLX4_PMD_TX_MP_CACHE
-#define MLX4_PMD_TX_MP_CACHE 8
-#endif
-
/** Interrupt alarm timeout value in microseconds. */
#define MLX4_INTR_ALARM_TIMEOUT 100000
struct txq;
struct rte_flow;
-/** Memory region descriptor. */
-struct mlx4_mr {
- LIST_ENTRY(mlx4_mr) next; /**< Next entry in list. */
- uintptr_t start; /**< Base address for memory region. */
- uintptr_t end; /**< End address for memory region. */
- uint32_t lkey; /**< L_Key extracted from @p mr. */
- uint32_t refcnt; /**< Reference count for this object. */
- struct priv *priv; /**< Back pointer to private data. */
- struct ibv_mr *mr; /**< Memory region associated with @p mp. */
- struct rte_mempool *mp; /**< Target memory pool (mempool). */
-};
+LIST_HEAD(mlx4_dev_list, priv);
+LIST_HEAD(mlx4_mr_list, mlx4_mr);
/** Private data structure. */
struct priv {
+ LIST_ENTRY(priv) mem_event_cb; /* Called by memory event callback. */
struct rte_eth_dev *dev; /**< Ethernet device. */
struct ibv_context *ctx; /**< Verbs context. */
struct ibv_device_attr device_attr; /**< Device properties. */
uint32_t vf:1; /**< This is a VF device. */
uint32_t intr_alarm:1; /**< An interrupt alarm is scheduled. */
uint32_t isolated:1; /**< Toggle isolated mode. */
+ uint32_t rss_init:1; /**< Common RSS context is initialized. */
uint32_t hw_csum:1; /**< Checksum offload is supported. */
uint32_t hw_csum_l2tun:1; /**< Checksum support for L2 tunnels. */
+ uint32_t hw_fcs_strip:1; /**< FCS stripping toggling is supported. */
uint64_t hw_rss_sup; /**< Supported RSS hash fields (Verbs format). */
struct rte_intr_handle intr_handle; /**< Port interrupt handle. */
struct mlx4_drop *drop; /**< Shared resources for drop flow rules. */
+ struct {
+ uint32_t dev_gen; /* Generation number to flush local caches. */
+ rte_rwlock_t rwlock; /* MR Lock. */
+ struct mlx4_mr_btree cache; /* Global MR cache table. */
+ struct mlx4_mr_list mr_list; /* Registered MR list. */
+ struct mlx4_mr_list mr_free_list; /* Freed MR list. */
+ } mr;
LIST_HEAD(, mlx4_rss) rss; /**< Shared targets for Rx flow rules. */
LIST_HEAD(, rte_flow) flows; /**< Configured flow rule handles. */
- LIST_HEAD(, mlx4_mr) mr; /**< Registered memory regions. */
- rte_spinlock_t mr_lock; /**< Lock for @p mr access. */
struct ether_addr mac[MLX4_MAX_MAC_ADDRESSES];
/**< Configured MAC addresses. Unused entries are zeroed. */
};
void mlx4_mac_addr_remove(struct rte_eth_dev *dev, uint32_t index);
int mlx4_mac_addr_add(struct rte_eth_dev *dev, struct ether_addr *mac_addr,
uint32_t index, uint32_t vmdq);
-void mlx4_mac_addr_set(struct rte_eth_dev *dev, struct ether_addr *mac_addr);
+int mlx4_mac_addr_set(struct rte_eth_dev *dev, struct ether_addr *mac_addr);
int mlx4_vlan_filter_set(struct rte_eth_dev *dev, uint16_t vlan_id, int on);
int mlx4_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats);
void mlx4_stats_reset(struct rte_eth_dev *dev);
int mlx4_intr_uninstall(struct priv *priv);
int mlx4_intr_install(struct priv *priv);
+int mlx4_rxq_intr_enable(struct priv *priv);
+void mlx4_rxq_intr_disable(struct priv *priv);
int mlx4_rx_intr_disable(struct rte_eth_dev *dev, uint16_t idx);
int mlx4_rx_intr_enable(struct rte_eth_dev *dev, uint16_t idx);
-/* mlx4_mr.c */
-
-struct mlx4_mr *mlx4_mr_get(struct priv *priv, struct rte_mempool *mp);
-void mlx4_mr_put(struct mlx4_mr *mr);
-uint32_t mlx4_txq_add_mr(struct txq *txq, struct rte_mempool *mp,
- uint32_t i);
-
#endif /* RTE_PMD_MLX4_H_ */
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