diff options
Diffstat (limited to 'drivers/net/cxgbe/cxgbevf_ethdev.c')
| -rw-r--r-- | drivers/net/cxgbe/cxgbevf_ethdev.c | 201 |
1 files changed, 201 insertions, 0 deletions
diff --git a/drivers/net/cxgbe/cxgbevf_ethdev.c b/drivers/net/cxgbe/cxgbevf_ethdev.c new file mode 100644 index 00000000..3b32ca9d --- /dev/null +++ b/drivers/net/cxgbe/cxgbevf_ethdev.c @@ -0,0 +1,201 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2018 Chelsio Communications. + * All rights reserved. + */ + +#include <rte_ethdev_driver.h> +#include <rte_ethdev_pci.h> + +#include "cxgbe.h" +#include "cxgbe_pfvf.h" + +/* + * Macros needed to support the PCI Device ID Table ... + */ +#define CH_PCI_DEVICE_ID_TABLE_DEFINE_BEGIN \ + static const struct rte_pci_id cxgb4vf_pci_tbl[] = { +#define CH_PCI_DEVICE_ID_FUNCTION 0x8 + +#define PCI_VENDOR_ID_CHELSIO 0x1425 + +#define CH_PCI_ID_TABLE_ENTRY(devid) \ + { RTE_PCI_DEVICE(PCI_VENDOR_ID_CHELSIO, (devid)) } + +#define CH_PCI_DEVICE_ID_TABLE_DEFINE_END \ + { .vendor_id = 0, } \ + } + +/* + *... and the PCI ID Table itself ... + */ +#include "t4_pci_id_tbl.h" + +/* + * Get port statistics. + */ +static int cxgbevf_dev_stats_get(struct rte_eth_dev *eth_dev, + struct rte_eth_stats *eth_stats) +{ + struct port_info *pi = (struct port_info *)(eth_dev->data->dev_private); + struct adapter *adapter = pi->adapter; + struct sge *s = &adapter->sge; + struct port_stats ps; + unsigned int i; + + cxgbevf_stats_get(pi, &ps); + + /* RX Stats */ + eth_stats->ierrors = ps.rx_len_err; + + /* TX Stats */ + eth_stats->opackets = ps.tx_bcast_frames + ps.tx_mcast_frames + + ps.tx_ucast_frames; + eth_stats->obytes = ps.tx_octets; + eth_stats->oerrors = ps.tx_drop; + + for (i = 0; i < pi->n_rx_qsets; i++) { + struct sge_eth_rxq *rxq = + &s->ethrxq[pi->first_qset + i]; + + eth_stats->q_ipackets[i] = rxq->stats.pkts; + eth_stats->q_ibytes[i] = rxq->stats.rx_bytes; + eth_stats->ipackets += eth_stats->q_ipackets[i]; + eth_stats->ibytes += eth_stats->q_ibytes[i]; + } + + for (i = 0; i < pi->n_tx_qsets; i++) { + struct sge_eth_txq *txq = + &s->ethtxq[pi->first_qset + i]; + + eth_stats->q_opackets[i] = txq->stats.pkts; + eth_stats->q_obytes[i] = txq->stats.tx_bytes; + eth_stats->q_errors[i] = txq->stats.mapping_err; + } + return 0; +} + +static const struct eth_dev_ops cxgbevf_eth_dev_ops = { + .dev_start = cxgbe_dev_start, + .dev_stop = cxgbe_dev_stop, + .dev_close = cxgbe_dev_close, + .promiscuous_enable = cxgbe_dev_promiscuous_enable, + .promiscuous_disable = cxgbe_dev_promiscuous_disable, + .allmulticast_enable = cxgbe_dev_allmulticast_enable, + .allmulticast_disable = cxgbe_dev_allmulticast_disable, + .dev_configure = cxgbe_dev_configure, + .dev_infos_get = cxgbe_dev_info_get, + .dev_supported_ptypes_get = cxgbe_dev_supported_ptypes_get, + .link_update = cxgbe_dev_link_update, + .dev_set_link_up = cxgbe_dev_set_link_up, + .dev_set_link_down = cxgbe_dev_set_link_down, + .mtu_set = cxgbe_dev_mtu_set, + .tx_queue_setup = cxgbe_dev_tx_queue_setup, + .tx_queue_start = cxgbe_dev_tx_queue_start, + .tx_queue_stop = cxgbe_dev_tx_queue_stop, + .tx_queue_release = cxgbe_dev_tx_queue_release, + .rx_queue_setup = cxgbe_dev_rx_queue_setup, + .rx_queue_start = cxgbe_dev_rx_queue_start, + .rx_queue_stop = cxgbe_dev_rx_queue_stop, + .rx_queue_release = cxgbe_dev_rx_queue_release, + .stats_get = cxgbevf_dev_stats_get, + .mac_addr_set = cxgbe_mac_addr_set, +}; + +/* + * Initialize driver + * It returns 0 on success. + */ +static int eth_cxgbevf_dev_init(struct rte_eth_dev *eth_dev) +{ + struct port_info *pi = (struct port_info *)(eth_dev->data->dev_private); + struct rte_pci_device *pci_dev; + char name[RTE_ETH_NAME_MAX_LEN]; + struct adapter *adapter = NULL; + int err = 0; + + CXGBE_FUNC_TRACE(); + + eth_dev->dev_ops = &cxgbevf_eth_dev_ops; + eth_dev->rx_pkt_burst = &cxgbe_recv_pkts; + eth_dev->tx_pkt_burst = &cxgbe_xmit_pkts; + pci_dev = RTE_ETH_DEV_TO_PCI(eth_dev); + + /* for secondary processes, we attach to ethdevs allocated by primary + * and do minimal initialization. + */ + if (rte_eal_process_type() != RTE_PROC_PRIMARY) { + int i; + + for (i = 1; i < MAX_NPORTS; i++) { + struct rte_eth_dev *rest_eth_dev; + char namei[RTE_ETH_NAME_MAX_LEN]; + + snprintf(namei, sizeof(namei), "%s_%d", + pci_dev->device.name, i); + rest_eth_dev = rte_eth_dev_attach_secondary(namei); + if (rest_eth_dev) { + rest_eth_dev->device = &pci_dev->device; + rest_eth_dev->dev_ops = + eth_dev->dev_ops; + rest_eth_dev->rx_pkt_burst = + eth_dev->rx_pkt_burst; + rest_eth_dev->tx_pkt_burst = + eth_dev->tx_pkt_burst; + rte_eth_dev_probing_finish(rest_eth_dev); + } + } + return 0; + } + + snprintf(name, sizeof(name), "cxgbevfadapter%d", + eth_dev->data->port_id); + adapter = rte_zmalloc(name, sizeof(*adapter), 0); + if (!adapter) + return -1; + + adapter->use_unpacked_mode = 1; + adapter->regs = (void *)pci_dev->mem_resource[0].addr; + if (!adapter->regs) { + dev_err(adapter, "%s: cannot map device registers\n", __func__); + err = -ENOMEM; + goto out_free_adapter; + } + adapter->pdev = pci_dev; + adapter->eth_dev = eth_dev; + pi->adapter = adapter; + err = cxgbevf_probe(adapter); + if (err) { + dev_err(adapter, "%s: cxgbevf probe failed with err %d\n", + __func__, err); + goto out_free_adapter; + } + + return 0; + +out_free_adapter: + rte_free(adapter); + return err; +} + +static int eth_cxgbevf_pci_probe(struct rte_pci_driver *pci_drv __rte_unused, + struct rte_pci_device *pci_dev) +{ + return rte_eth_dev_pci_generic_probe(pci_dev, sizeof(struct port_info), + eth_cxgbevf_dev_init); +} + +static int eth_cxgbevf_pci_remove(struct rte_pci_device *pci_dev) +{ + return rte_eth_dev_pci_generic_remove(pci_dev, NULL); +} + +static struct rte_pci_driver rte_cxgbevf_pmd = { + .id_table = cxgb4vf_pci_tbl, + .drv_flags = RTE_PCI_DRV_NEED_MAPPING, + .probe = eth_cxgbevf_pci_probe, + .remove = eth_cxgbevf_pci_remove, +}; + +RTE_PMD_REGISTER_PCI(net_cxgbevf, rte_cxgbevf_pmd); +RTE_PMD_REGISTER_PCI_TABLE(net_cxgbevf, cxgb4vf_pci_tbl); +RTE_PMD_REGISTER_KMOD_DEP(net_cxgbevf, "* igb_uio | vfio-pci"); |