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