1 /* SPDX-License-Identifier: BSD-3-Clause 2 * Copyright 2020 Mellanox Technologies, Ltd 3 */ 4 #include <stdio.h> 5 6 #include <rte_errno.h> 7 #include <rte_ether.h> 8 #include <rte_ethdev_driver.h> 9 #include <rte_interrupts.h> 10 11 #include <mlx5_glue.h> 12 #include <mlx5_devx_cmds.h> 13 #include <mlx5_common.h> 14 #include <mlx5_win_ext.h> 15 #include <mlx5_malloc.h> 16 #include <mlx5.h> 17 18 /** 19 * Get MAC address by querying netdevice. 20 * 21 * @param[in] dev 22 * Pointer to Ethernet device. 23 * @param[out] mac 24 * MAC address output buffer. 25 * 26 * @return 27 * 0 on success, a negative errno value otherwise and rte_errno is set. 28 */ 29 int 30 mlx5_get_mac(struct rte_eth_dev *dev, uint8_t (*mac)[RTE_ETHER_ADDR_LEN]) 31 { 32 struct mlx5_priv *priv; 33 mlx5_context_st *context_obj; 34 35 if (!dev) { 36 rte_errno = EINVAL; 37 return -rte_errno; 38 } 39 priv = dev->data->dev_private; 40 context_obj = (mlx5_context_st *)priv->sh->ctx; 41 memcpy(mac, context_obj->mlx5_dev.eth_mac, RTE_ETHER_ADDR_LEN); 42 return 0; 43 } 44 45 /** 46 * Set device MTU. 47 * 48 * @param dev 49 * Pointer to Ethernet device. 50 * @param mtu 51 * MTU value to set. 52 * 53 * @return 54 * 0 on success, a negative errno value otherwise and rte_errno is set. 55 */ 56 int 57 mlx5_set_mtu(struct rte_eth_dev *dev, uint16_t mtu) 58 { 59 RTE_SET_USED(dev); 60 RTE_SET_USED(mtu); 61 return -ENOTSUP; 62 } 63 64 /* 65 * Unregister callback handler safely. The handler may be active 66 * while we are trying to unregister it, in this case code -EAGAIN 67 * is returned by rte_intr_callback_unregister(). This routine checks 68 * the return code and tries to unregister handler again. 69 * 70 * @param handle 71 * interrupt handle 72 * @param cb_fn 73 * pointer to callback routine 74 * @cb_arg 75 * opaque callback parameter 76 */ 77 void 78 mlx5_intr_callback_unregister(const struct rte_intr_handle *handle, 79 rte_intr_callback_fn cb_fn, void *cb_arg) 80 { 81 RTE_SET_USED(handle); 82 RTE_SET_USED(cb_fn); 83 RTE_SET_USED(cb_arg); 84 } 85 86 /** 87 * DPDK callback to get flow control status. 88 * 89 * @param dev 90 * Pointer to Ethernet device structure. 91 * @param[out] fc_conf 92 * Flow control output buffer. 93 * 94 * @return 95 * 0 on success, a negative errno value otherwise and rte_errno is set. 96 */ 97 int 98 mlx5_dev_get_flow_ctrl(struct rte_eth_dev *dev, struct rte_eth_fc_conf *fc_conf) 99 { 100 RTE_SET_USED(dev); 101 RTE_SET_USED(fc_conf); 102 return -ENOTSUP; 103 } 104 105 /** 106 * DPDK callback to modify flow control parameters. 107 * 108 * @param dev 109 * Pointer to Ethernet device structure. 110 * @param[in] fc_conf 111 * Flow control parameters. 112 * 113 * @return 114 * 0 on success, a negative errno value otherwise and rte_errno is set. 115 */ 116 int 117 mlx5_dev_set_flow_ctrl(struct rte_eth_dev *dev, struct rte_eth_fc_conf *fc_conf) 118 { 119 RTE_SET_USED(dev); 120 RTE_SET_USED(fc_conf); 121 return -ENOTSUP; 122 } 123 124 /** 125 * Query the number of statistics provided by ETHTOOL. 126 * 127 * @param dev 128 * Pointer to Ethernet device. 129 * 130 * @return 131 * Number of statistics on success, negative errno value otherwise and 132 * rte_errno is set. 133 */ 134 int 135 mlx5_os_get_stats_n(struct rte_eth_dev *dev) 136 { 137 RTE_SET_USED(dev); 138 return -ENOTSUP; 139 } 140 141 /** 142 * Init the structures to read device counters. 143 * 144 * @param dev 145 * Pointer to Ethernet device. 146 */ 147 void 148 mlx5_os_stats_init(struct rte_eth_dev *dev) 149 { 150 RTE_SET_USED(dev); 151 } 152 153 /** 154 * Read device counters table. 155 * 156 * @param dev 157 * Pointer to Ethernet device. 158 * @param[out] stats 159 * Counters table output buffer. 160 * 161 * @return 162 * 0 on success and stats is filled, negative errno value otherwise and 163 * rte_errno is set. 164 */ 165 int 166 mlx5_os_read_dev_counters(struct rte_eth_dev *dev, uint64_t *stats) 167 { 168 RTE_SET_USED(dev); 169 RTE_SET_USED(stats); 170 return -ENOTSUP; 171 } 172 173 /** 174 * DPDK callback to bring the link DOWN. 175 * 176 * @param dev 177 * Pointer to Ethernet device structure. 178 * 179 * @return 180 * 0 on success, a negative errno value otherwise 181 */ 182 int 183 mlx5_set_link_down(struct rte_eth_dev *dev) 184 { 185 RTE_SET_USED(dev); 186 return -ENOTSUP; 187 } 188 189 /** 190 * DPDK callback to bring the link UP. 191 * 192 * @param dev 193 * Pointer to Ethernet device structure. 194 * 195 * @return 196 * 0 on success, a negative errno value otherwise 197 */ 198 int 199 mlx5_set_link_up(struct rte_eth_dev *dev) 200 { 201 RTE_SET_USED(dev); 202 return -ENOTSUP; 203 } 204 205 /** 206 * DPDK callback to retrieve plug-in module EEPROM information (type and size). 207 * 208 * @param dev 209 * Pointer to Ethernet device structure. 210 * @param[out] modinfo 211 * Storage for plug-in module EEPROM information. 212 * 213 * @return 214 * 0 on success, a negative errno value otherwise and rte_errno is set. 215 */ 216 int 217 mlx5_get_module_info(struct rte_eth_dev *dev, 218 struct rte_eth_dev_module_info *modinfo) 219 { 220 RTE_SET_USED(dev); 221 RTE_SET_USED(modinfo); 222 return -ENOTSUP; 223 } 224 225 /** 226 * DPDK callback to retrieve plug-in module EEPROM data. 227 * 228 * @param dev 229 * Pointer to Ethernet device structure. 230 * @param[out] info 231 * Storage for plug-in module EEPROM data. 232 * 233 * @return 234 * 0 on success, a negative errno value otherwise and rte_errno is set. 235 */ 236 int mlx5_get_module_eeprom(struct rte_eth_dev *dev, 237 struct rte_dev_eeprom_info *info) 238 { 239 RTE_SET_USED(dev); 240 RTE_SET_USED(info); 241 return -ENOTSUP; 242 } 243