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/* 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_dev_uninit(struct rte_eth_dev *eth_dev)
{
struct port_info *pi = (struct port_info *)(eth_dev->data->dev_private);
struct adapter *adap = pi->adapter;
/* Free up other ports and all resources */
cxgbe_close(adap);
return 0;
}
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, eth_cxgbevf_dev_uninit);
}
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");
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