-/*-
- * 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_
#include <net/if.h>
#include <stdint.h>
+#include <sys/queue.h>
-/* Verbs header. */
-/* ISO C doesn't support unnamed structs/unions, disabling -pedantic. */
+/* Verbs headers do not support -pedantic. */
#ifdef PEDANTIC
#pragma GCC diagnostic ignored "-Wpedantic"
#endif
#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>
-/* Request send completion once in every 64 sends, might be less. */
+#ifndef IBV_RX_HASH_INNER
+/** This is not necessarily defined by supported RDMA core versions. */
+#define IBV_RX_HASH_INNER (1ull << 31)
+#endif /* IBV_RX_HASH_INNER */
+
+/** Maximum number of simultaneous MAC addresses. This value is arbitrary. */
+#define MLX4_MAX_MAC_ADDRESSES 128
+
+/** Request send completion once in every 64 sends, might be less. */
#define MLX4_PMD_TX_PER_COMP_REQ 64
-/* Maximum size for inline data. */
+/** Maximum size for inline data. */
#define MLX4_PMD_MAX_INLINE 0
-/*
+/** 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.
#define MLX4_PMD_TX_MP_CACHE 8
#endif
-/* Interrupt alarm timeout value in microseconds. */
+/** Interrupt alarm timeout value in microseconds. */
#define MLX4_INTR_ALARM_TIMEOUT 100000
-/* Port parameter. */
+/** Port parameter. */
#define MLX4_PMD_PORT_KVARG "port"
enum {
PCI_DEVICE_ID_MELLANOX_CONNECTX3PRO = 0x1007,
};
+/** Driver name reported to lower layers and used in log output. */
#define MLX4_DRIVER_NAME "net_mlx4"
+struct mlx4_drop;
+struct mlx4_rss;
struct rxq;
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). */
+};
+
+/** Private data structure. */
struct priv {
- struct rte_eth_dev *dev; /* Ethernet device. */
- struct ibv_context *ctx; /* Verbs context. */
- struct ibv_device_attr device_attr; /* Device properties. */
- struct ibv_pd *pd; /* Protection Domain. */
- struct ether_addr mac; /* MAC address. */
- struct ibv_flow *mac_flow; /* Flow associated with MAC address. */
+ struct rte_eth_dev *dev; /**< Ethernet device. */
+ struct ibv_context *ctx; /**< Verbs context. */
+ struct ibv_device_attr device_attr; /**< Device properties. */
+ struct ibv_pd *pd; /**< Protection Domain. */
/* Device properties. */
- uint16_t mtu; /* Configured MTU. */
- uint8_t port; /* Physical port number. */
- unsigned int started:1; /* Device started, flows enabled. */
- unsigned int vf:1; /* This is a VF device. */
- unsigned int intr_alarm:1; /* An interrupt alarm is scheduled. */
- unsigned int isolated:1; /* Toggle isolated mode. */
- /* RX/TX queues. */
- unsigned int rxqs_n; /* RX queues array size. */
- unsigned int txqs_n; /* TX queues array size. */
- struct rxq *(*rxqs)[]; /* RX queues. */
- struct txq *(*txqs)[]; /* TX queues. */
- struct rte_intr_handle intr_handle; /* Port interrupt handle. */
- struct rte_flow_drop *flow_drop_queue; /* Flow drop queue. */
- LIST_HEAD(mlx4_flows, rte_flow) flows;
+ uint16_t mtu; /**< Configured MTU. */
+ uint8_t port; /**< Physical port number. */
+ uint32_t started:1; /**< Device started, flows enabled. */
+ 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 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. */
+ 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. */
};
-/* mlx4.c */
-
-struct ibv_mr *mlx4_mp2mr(struct ibv_pd *pd, struct rte_mempool *mp);
-
/* mlx4_ethdev.c */
int mlx4_get_ifname(const struct priv *priv, char (*ifname)[IF_NAMESIZE]);
int mlx4_mtu_set(struct rte_eth_dev *dev, uint16_t mtu);
int mlx4_dev_set_link_down(struct rte_eth_dev *dev);
int mlx4_dev_set_link_up(struct rte_eth_dev *dev);
-void mlx4_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats);
+void mlx4_promiscuous_enable(struct rte_eth_dev *dev);
+void mlx4_promiscuous_disable(struct rte_eth_dev *dev);
+void mlx4_allmulticast_enable(struct rte_eth_dev *dev);
+void mlx4_allmulticast_disable(struct rte_eth_dev *dev);
+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);
+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);
void mlx4_dev_infos_get(struct rte_eth_dev *dev,
struct rte_eth_dev_info *info);
struct rte_eth_fc_conf *fc_conf);
int mlx4_flow_ctrl_set(struct rte_eth_dev *dev,
struct rte_eth_fc_conf *fc_conf);
+const uint32_t *mlx4_dev_supported_ptypes_get(struct rte_eth_dev *dev);
+int mlx4_is_removed(struct rte_eth_dev *dev);
/* mlx4_intr.c */
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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