1 /* SPDX-License-Identifier: BSD-3-Clause 2 * Copyright(c) 2018 Intel Corporation. 3 */ 4 5 #include <rte_ethdev.h> 6 #include <rte_pci.h> 7 #include <rte_malloc.h> 8 9 #include "rte_ethdev_driver.h" 10 #include "base/ixgbe_type.h" 11 #include "base/ixgbe_vf.h" 12 #include "ixgbe_ethdev.h" 13 #include "ixgbe_rxtx.h" 14 #include "rte_pmd_ixgbe.h" 15 16 17 static int 18 ixgbe_vf_representor_link_update(struct rte_eth_dev *ethdev, 19 int wait_to_complete) 20 { 21 struct ixgbe_vf_representor *representor = ethdev->data->dev_private; 22 23 return ixgbe_dev_link_update_share(representor->pf_ethdev, 24 wait_to_complete, 0); 25 } 26 27 static int 28 ixgbe_vf_representor_mac_addr_set(struct rte_eth_dev *ethdev, 29 struct rte_ether_addr *mac_addr) 30 { 31 struct ixgbe_vf_representor *representor = ethdev->data->dev_private; 32 33 return rte_pmd_ixgbe_set_vf_mac_addr( 34 representor->pf_ethdev->data->port_id, 35 representor->vf_id, mac_addr); 36 } 37 38 static int 39 ixgbe_vf_representor_dev_infos_get(struct rte_eth_dev *ethdev, 40 struct rte_eth_dev_info *dev_info) 41 { 42 struct ixgbe_vf_representor *representor = ethdev->data->dev_private; 43 44 struct ixgbe_hw *hw = IXGBE_DEV_PRIVATE_TO_HW( 45 representor->pf_ethdev->data->dev_private); 46 47 dev_info->device = representor->pf_ethdev->device; 48 49 dev_info->min_rx_bufsize = 1024; 50 /**< Minimum size of RX buffer. */ 51 dev_info->max_rx_pktlen = 9728; 52 /**< Maximum configurable length of RX pkt. */ 53 dev_info->max_rx_queues = IXGBE_VF_MAX_RX_QUEUES; 54 /**< Maximum number of RX queues. */ 55 dev_info->max_tx_queues = IXGBE_VF_MAX_TX_QUEUES; 56 /**< Maximum number of TX queues. */ 57 58 dev_info->max_mac_addrs = hw->mac.num_rar_entries; 59 /**< Maximum number of MAC addresses. */ 60 61 dev_info->rx_offload_capa = DEV_RX_OFFLOAD_VLAN_STRIP | 62 DEV_RX_OFFLOAD_IPV4_CKSUM | DEV_RX_OFFLOAD_UDP_CKSUM | 63 DEV_RX_OFFLOAD_TCP_CKSUM; 64 /**< Device RX offload capabilities. */ 65 66 dev_info->tx_offload_capa = DEV_TX_OFFLOAD_VLAN_INSERT | 67 DEV_TX_OFFLOAD_IPV4_CKSUM | DEV_TX_OFFLOAD_UDP_CKSUM | 68 DEV_TX_OFFLOAD_TCP_CKSUM | DEV_TX_OFFLOAD_SCTP_CKSUM | 69 DEV_TX_OFFLOAD_TCP_TSO | DEV_TX_OFFLOAD_MULTI_SEGS; 70 /**< Device TX offload capabilities. */ 71 72 dev_info->speed_capa = 73 representor->pf_ethdev->data->dev_link.link_speed; 74 /**< Supported speeds bitmap (ETH_LINK_SPEED_). */ 75 76 dev_info->switch_info.name = 77 representor->pf_ethdev->device->name; 78 dev_info->switch_info.domain_id = representor->switch_domain_id; 79 dev_info->switch_info.port_id = representor->vf_id; 80 81 return 0; 82 } 83 84 static int ixgbe_vf_representor_dev_configure( 85 __rte_unused struct rte_eth_dev *dev) 86 { 87 return 0; 88 } 89 90 static int ixgbe_vf_representor_rx_queue_setup( 91 __rte_unused struct rte_eth_dev *dev, 92 __rte_unused uint16_t rx_queue_id, 93 __rte_unused uint16_t nb_rx_desc, 94 __rte_unused unsigned int socket_id, 95 __rte_unused const struct rte_eth_rxconf *rx_conf, 96 __rte_unused struct rte_mempool *mb_pool) 97 { 98 return 0; 99 } 100 101 static int ixgbe_vf_representor_tx_queue_setup( 102 __rte_unused struct rte_eth_dev *dev, 103 __rte_unused uint16_t rx_queue_id, 104 __rte_unused uint16_t nb_rx_desc, 105 __rte_unused unsigned int socket_id, 106 __rte_unused const struct rte_eth_txconf *tx_conf) 107 { 108 return 0; 109 } 110 111 static int ixgbe_vf_representor_dev_start(__rte_unused struct rte_eth_dev *dev) 112 { 113 return 0; 114 } 115 116 static void ixgbe_vf_representor_dev_stop(__rte_unused struct rte_eth_dev *dev) 117 { 118 } 119 120 static int 121 ixgbe_vf_representor_vlan_filter_set(struct rte_eth_dev *ethdev, 122 uint16_t vlan_id, int on) 123 { 124 struct ixgbe_vf_representor *representor = ethdev->data->dev_private; 125 uint64_t vf_mask = 1ULL << representor->vf_id; 126 127 return rte_pmd_ixgbe_set_vf_vlan_filter( 128 representor->pf_ethdev->data->port_id, vlan_id, vf_mask, on); 129 } 130 131 static void 132 ixgbe_vf_representor_vlan_strip_queue_set(struct rte_eth_dev *ethdev, 133 __rte_unused uint16_t rx_queue_id, int on) 134 { 135 struct ixgbe_vf_representor *representor = ethdev->data->dev_private; 136 137 rte_pmd_ixgbe_set_vf_vlan_stripq(representor->pf_ethdev->data->port_id, 138 representor->vf_id, on); 139 } 140 141 static const struct eth_dev_ops ixgbe_vf_representor_dev_ops = { 142 .dev_infos_get = ixgbe_vf_representor_dev_infos_get, 143 144 .dev_start = ixgbe_vf_representor_dev_start, 145 .dev_configure = ixgbe_vf_representor_dev_configure, 146 .dev_stop = ixgbe_vf_representor_dev_stop, 147 148 .rx_queue_setup = ixgbe_vf_representor_rx_queue_setup, 149 .tx_queue_setup = ixgbe_vf_representor_tx_queue_setup, 150 151 .link_update = ixgbe_vf_representor_link_update, 152 153 .vlan_filter_set = ixgbe_vf_representor_vlan_filter_set, 154 .vlan_strip_queue_set = ixgbe_vf_representor_vlan_strip_queue_set, 155 156 .mac_addr_set = ixgbe_vf_representor_mac_addr_set, 157 }; 158 159 static uint16_t 160 ixgbe_vf_representor_rx_burst(__rte_unused void *rx_queue, 161 __rte_unused struct rte_mbuf **rx_pkts, __rte_unused uint16_t nb_pkts) 162 { 163 return 0; 164 } 165 166 static uint16_t 167 ixgbe_vf_representor_tx_burst(__rte_unused void *tx_queue, 168 __rte_unused struct rte_mbuf **tx_pkts, __rte_unused uint16_t nb_pkts) 169 { 170 return 0; 171 } 172 173 int 174 ixgbe_vf_representor_init(struct rte_eth_dev *ethdev, void *init_params) 175 { 176 struct ixgbe_vf_representor *representor = ethdev->data->dev_private; 177 178 struct ixgbe_vf_info *vf_data; 179 struct rte_pci_device *pci_dev; 180 struct rte_eth_link *link; 181 182 if (!representor) 183 return -ENOMEM; 184 185 representor->vf_id = 186 ((struct ixgbe_vf_representor *)init_params)->vf_id; 187 representor->switch_domain_id = 188 ((struct ixgbe_vf_representor *)init_params)->switch_domain_id; 189 representor->pf_ethdev = 190 ((struct ixgbe_vf_representor *)init_params)->pf_ethdev; 191 192 pci_dev = RTE_ETH_DEV_TO_PCI(representor->pf_ethdev); 193 194 if (representor->vf_id >= pci_dev->max_vfs) 195 return -ENODEV; 196 197 ethdev->data->dev_flags |= RTE_ETH_DEV_REPRESENTOR; 198 ethdev->data->representor_id = representor->vf_id; 199 200 /* Set representor device ops */ 201 ethdev->dev_ops = &ixgbe_vf_representor_dev_ops; 202 203 /* No data-path, but need stub Rx/Tx functions to avoid crash 204 * when testing with the likes of testpmd. 205 */ 206 ethdev->rx_pkt_burst = ixgbe_vf_representor_rx_burst; 207 ethdev->tx_pkt_burst = ixgbe_vf_representor_tx_burst; 208 209 /* Setting the number queues allocated to the VF */ 210 ethdev->data->nb_rx_queues = IXGBE_VF_MAX_RX_QUEUES; 211 ethdev->data->nb_tx_queues = IXGBE_VF_MAX_RX_QUEUES; 212 213 /* Reference VF mac address from PF data structure */ 214 vf_data = *IXGBE_DEV_PRIVATE_TO_P_VFDATA( 215 representor->pf_ethdev->data->dev_private); 216 217 ethdev->data->mac_addrs = (struct rte_ether_addr *) 218 vf_data[representor->vf_id].vf_mac_addresses; 219 220 /* Link state. Inherited from PF */ 221 link = &representor->pf_ethdev->data->dev_link; 222 223 ethdev->data->dev_link.link_speed = link->link_speed; 224 ethdev->data->dev_link.link_duplex = link->link_duplex; 225 ethdev->data->dev_link.link_status = link->link_status; 226 ethdev->data->dev_link.link_autoneg = link->link_autoneg; 227 228 return 0; 229 } 230 231 int 232 ixgbe_vf_representor_uninit(struct rte_eth_dev *ethdev) 233 { 234 /* mac_addrs must not be freed because part of ixgbe_vf_info */ 235 ethdev->data->mac_addrs = NULL; 236 237 return 0; 238 } 239