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 "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 = RTE_ETH_RX_OFFLOAD_VLAN_STRIP | 62 RTE_ETH_RX_OFFLOAD_IPV4_CKSUM | RTE_ETH_RX_OFFLOAD_UDP_CKSUM | 63 RTE_ETH_RX_OFFLOAD_TCP_CKSUM; 64 /**< Device RX offload capabilities. */ 65 66 dev_info->tx_offload_capa = RTE_ETH_TX_OFFLOAD_VLAN_INSERT | 67 RTE_ETH_TX_OFFLOAD_IPV4_CKSUM | RTE_ETH_TX_OFFLOAD_UDP_CKSUM | 68 RTE_ETH_TX_OFFLOAD_TCP_CKSUM | RTE_ETH_TX_OFFLOAD_SCTP_CKSUM | 69 RTE_ETH_TX_OFFLOAD_TCP_TSO | RTE_ETH_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 (RTE_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 int ixgbe_vf_representor_dev_stop(__rte_unused struct rte_eth_dev *dev) 117 { 118 return 0; 119 } 120 121 static int 122 ixgbe_vf_representor_vlan_filter_set(struct rte_eth_dev *ethdev, 123 uint16_t vlan_id, int on) 124 { 125 struct ixgbe_vf_representor *representor = ethdev->data->dev_private; 126 uint64_t vf_mask = 1ULL << representor->vf_id; 127 128 return rte_pmd_ixgbe_set_vf_vlan_filter( 129 representor->pf_ethdev->data->port_id, vlan_id, vf_mask, on); 130 } 131 132 static void 133 ixgbe_vf_representor_vlan_strip_queue_set(struct rte_eth_dev *ethdev, 134 __rte_unused uint16_t rx_queue_id, int on) 135 { 136 struct ixgbe_vf_representor *representor = ethdev->data->dev_private; 137 138 rte_pmd_ixgbe_set_vf_vlan_stripq(representor->pf_ethdev->data->port_id, 139 representor->vf_id, on); 140 } 141 142 static const struct eth_dev_ops ixgbe_vf_representor_dev_ops = { 143 .dev_infos_get = ixgbe_vf_representor_dev_infos_get, 144 145 .dev_start = ixgbe_vf_representor_dev_start, 146 .dev_configure = ixgbe_vf_representor_dev_configure, 147 .dev_stop = ixgbe_vf_representor_dev_stop, 148 149 .rx_queue_setup = ixgbe_vf_representor_rx_queue_setup, 150 .tx_queue_setup = ixgbe_vf_representor_tx_queue_setup, 151 152 .link_update = ixgbe_vf_representor_link_update, 153 154 .vlan_filter_set = ixgbe_vf_representor_vlan_filter_set, 155 .vlan_strip_queue_set = ixgbe_vf_representor_vlan_strip_queue_set, 156 157 .mac_addr_set = ixgbe_vf_representor_mac_addr_set, 158 }; 159 160 static uint16_t 161 ixgbe_vf_representor_rx_burst(__rte_unused void *rx_queue, 162 __rte_unused struct rte_mbuf **rx_pkts, __rte_unused uint16_t nb_pkts) 163 { 164 return 0; 165 } 166 167 static uint16_t 168 ixgbe_vf_representor_tx_burst(__rte_unused void *tx_queue, 169 __rte_unused struct rte_mbuf **tx_pkts, __rte_unused uint16_t nb_pkts) 170 { 171 return 0; 172 } 173 174 int 175 ixgbe_vf_representor_init(struct rte_eth_dev *ethdev, void *init_params) 176 { 177 struct ixgbe_vf_representor *representor = ethdev->data->dev_private; 178 179 struct ixgbe_vf_info *vf_data; 180 struct rte_pci_device *pci_dev; 181 struct rte_eth_link *link; 182 183 if (!representor) 184 return -ENOMEM; 185 186 representor->vf_id = 187 ((struct ixgbe_vf_representor *)init_params)->vf_id; 188 representor->switch_domain_id = 189 ((struct ixgbe_vf_representor *)init_params)->switch_domain_id; 190 representor->pf_ethdev = 191 ((struct ixgbe_vf_representor *)init_params)->pf_ethdev; 192 193 pci_dev = RTE_ETH_DEV_TO_PCI(representor->pf_ethdev); 194 195 if (representor->vf_id >= pci_dev->max_vfs) 196 return -ENODEV; 197 198 ethdev->data->dev_flags |= RTE_ETH_DEV_REPRESENTOR; 199 ethdev->data->representor_id = representor->vf_id; 200 ethdev->data->backer_port_id = representor->pf_ethdev->data->port_id; 201 202 /* Set representor device ops */ 203 ethdev->dev_ops = &ixgbe_vf_representor_dev_ops; 204 205 /* No data-path, but need stub Rx/Tx functions to avoid crash 206 * when testing with the likes of testpmd. 207 */ 208 ethdev->rx_pkt_burst = ixgbe_vf_representor_rx_burst; 209 ethdev->tx_pkt_burst = ixgbe_vf_representor_tx_burst; 210 211 /* Setting the number queues allocated to the VF */ 212 ethdev->data->nb_rx_queues = IXGBE_VF_MAX_RX_QUEUES; 213 ethdev->data->nb_tx_queues = IXGBE_VF_MAX_RX_QUEUES; 214 215 /* Reference VF mac address from PF data structure */ 216 vf_data = *IXGBE_DEV_PRIVATE_TO_P_VFDATA( 217 representor->pf_ethdev->data->dev_private); 218 219 ethdev->data->mac_addrs = (struct rte_ether_addr *) 220 vf_data[representor->vf_id].vf_mac_addresses; 221 222 /* Link state. Inherited from PF */ 223 link = &representor->pf_ethdev->data->dev_link; 224 225 ethdev->data->dev_link.link_speed = link->link_speed; 226 ethdev->data->dev_link.link_duplex = link->link_duplex; 227 ethdev->data->dev_link.link_status = link->link_status; 228 ethdev->data->dev_link.link_autoneg = link->link_autoneg; 229 230 return 0; 231 } 232 233 int 234 ixgbe_vf_representor_uninit(struct rte_eth_dev *ethdev) 235 { 236 /* mac_addrs must not be freed because part of ixgbe_vf_info */ 237 ethdev->data->mac_addrs = NULL; 238 239 return 0; 240 } 241