4 * Copyright 2012 6WIND S.A.
5 * Copyright 2012 Mellanox
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
11 * * Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * * Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in
15 * the documentation and/or other materials provided with the
17 * * Neither the name of 6WIND S.A. nor the names of its
18 * contributors may be used to endorse or promote products derived
19 * from this software without specific prior written permission.
21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
22 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
23 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
24 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
25 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
26 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
27 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
28 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
29 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
30 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
31 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
34 #ifndef RTE_PMD_MLX4_H_
35 #define RTE_PMD_MLX4_H_
40 /* Verbs headers do not support -pedantic. */
42 #pragma GCC diagnostic ignored "-Wpedantic"
44 #include <infiniband/verbs.h>
46 #pragma GCC diagnostic error "-Wpedantic"
49 #include <rte_ethdev.h>
50 #include <rte_ether.h>
51 #include <rte_interrupts.h>
52 #include <rte_mempool.h>
54 /* Request send completion once in every 64 sends, might be less. */
55 #define MLX4_PMD_TX_PER_COMP_REQ 64
57 /* Maximum size for inline data. */
58 #define MLX4_PMD_MAX_INLINE 0
61 * Maximum number of cached Memory Pools (MPs) per TX queue. Each RTE MP
62 * from which buffers are to be transmitted will have to be mapped by this
63 * driver to their own Memory Region (MR). This is a slow operation.
65 * This value is always 1 for RX queues.
67 #ifndef MLX4_PMD_TX_MP_CACHE
68 #define MLX4_PMD_TX_MP_CACHE 8
71 /* Interrupt alarm timeout value in microseconds. */
72 #define MLX4_INTR_ALARM_TIMEOUT 100000
75 #define MLX4_PMD_PORT_KVARG "port"
78 PCI_VENDOR_ID_MELLANOX = 0x15b3,
82 PCI_DEVICE_ID_MELLANOX_CONNECTX3 = 0x1003,
83 PCI_DEVICE_ID_MELLANOX_CONNECTX3VF = 0x1004,
84 PCI_DEVICE_ID_MELLANOX_CONNECTX3PRO = 0x1007,
87 #define MLX4_DRIVER_NAME "net_mlx4"
94 struct rte_eth_dev *dev; /* Ethernet device. */
95 struct ibv_context *ctx; /* Verbs context. */
96 struct ibv_device_attr device_attr; /* Device properties. */
97 struct ibv_pd *pd; /* Protection Domain. */
98 struct ether_addr mac; /* MAC address. */
99 struct ibv_flow *mac_flow; /* Flow associated with MAC address. */
100 /* Device properties. */
101 uint16_t mtu; /* Configured MTU. */
102 uint8_t port; /* Physical port number. */
103 unsigned int started:1; /* Device started, flows enabled. */
104 unsigned int vf:1; /* This is a VF device. */
105 unsigned int intr_alarm:1; /* An interrupt alarm is scheduled. */
106 unsigned int isolated:1; /* Toggle isolated mode. */
107 struct rte_intr_handle intr_handle; /* Port interrupt handle. */
108 struct rte_flow_drop *flow_drop_queue; /* Flow drop queue. */
109 LIST_HEAD(mlx4_flows, rte_flow) flows;
114 int mlx4_get_ifname(const struct priv *priv, char (*ifname)[IF_NAMESIZE]);
115 int mlx4_get_mac(struct priv *priv, uint8_t (*mac)[ETHER_ADDR_LEN]);
116 int mlx4_mtu_get(struct priv *priv, uint16_t *mtu);
117 int mlx4_mtu_set(struct rte_eth_dev *dev, uint16_t mtu);
118 int mlx4_dev_set_link_down(struct rte_eth_dev *dev);
119 int mlx4_dev_set_link_up(struct rte_eth_dev *dev);
120 void mlx4_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats);
121 void mlx4_stats_reset(struct rte_eth_dev *dev);
122 void mlx4_dev_infos_get(struct rte_eth_dev *dev,
123 struct rte_eth_dev_info *info);
124 int mlx4_link_update(struct rte_eth_dev *dev, int wait_to_complete);
125 int mlx4_flow_ctrl_get(struct rte_eth_dev *dev,
126 struct rte_eth_fc_conf *fc_conf);
127 int mlx4_flow_ctrl_set(struct rte_eth_dev *dev,
128 struct rte_eth_fc_conf *fc_conf);
132 int mlx4_intr_uninstall(struct priv *priv);
133 int mlx4_intr_install(struct priv *priv);
134 int mlx4_rx_intr_disable(struct rte_eth_dev *dev, uint16_t idx);
135 int mlx4_rx_intr_enable(struct rte_eth_dev *dev, uint16_t idx);
139 struct ibv_mr *mlx4_mp2mr(struct ibv_pd *pd, struct rte_mempool *mp);
141 #endif /* RTE_PMD_MLX4_H_ */