--- /dev/null
+/* 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");
Code Review / deb_dpdk.git / blobdiff