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numam-dpdk/drivers/net/ngbe/ngbe_ethdev.c
Jiawen Wu 59b46438fd net/ngbe: support VLAN offload and VLAN filter 
Support to set VLAN and QinQ offload, and filter of a VLAN tag
identifier.

Signed-off-by: Jiawen Wu <jiawenwu@trustnetic.com>
2021-10-30 00:53:19 +02:00

1617 lines
41 KiB
C
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/* SPDX-License-Identifier: BSD-3-Clause
* Copyright(c) 2018-2021 Beijing WangXun Technology Co., Ltd.
* Copyright(c) 2010-2017 Intel Corporation
*/
#include <errno.h>
#include <rte_common.h>
#include <ethdev_pci.h>
#include <rte_alarm.h>
#include "ngbe_logs.h"
#include "ngbe.h"
#include "ngbe_ethdev.h"
#include "ngbe_rxtx.h"
static int ngbe_dev_close(struct rte_eth_dev *dev);
static int ngbe_dev_link_update(struct rte_eth_dev *dev,
int wait_to_complete);
static void ngbe_vlan_hw_strip_enable(struct rte_eth_dev *dev, uint16_t queue);
static void ngbe_vlan_hw_strip_disable(struct rte_eth_dev *dev,
uint16_t queue);
static void ngbe_dev_link_status_print(struct rte_eth_dev *dev);
static int ngbe_dev_lsc_interrupt_setup(struct rte_eth_dev *dev, uint8_t on);
static int ngbe_dev_macsec_interrupt_setup(struct rte_eth_dev *dev);
static int ngbe_dev_misc_interrupt_setup(struct rte_eth_dev *dev);
static int ngbe_dev_rxq_interrupt_setup(struct rte_eth_dev *dev);
static void ngbe_dev_interrupt_handler(void *param);
static void ngbe_dev_interrupt_delayed_handler(void *param);
static void ngbe_configure_msix(struct rte_eth_dev *dev);
#define NGBE_SET_HWSTRIP(h, q) do {\
uint32_t idx = (q) / (sizeof((h)->bitmap[0]) * NBBY); \
uint32_t bit = (q) % (sizeof((h)->bitmap[0]) * NBBY); \
(h)->bitmap[idx] |= 1 << bit;\
} while (0)
#define NGBE_CLEAR_HWSTRIP(h, q) do {\
uint32_t idx = (q) / (sizeof((h)->bitmap[0]) * NBBY); \
uint32_t bit = (q) % (sizeof((h)->bitmap[0]) * NBBY); \
(h)->bitmap[idx] &= ~(1 << bit);\
} while (0)
#define NGBE_GET_HWSTRIP(h, q, r) do {\
uint32_t idx = (q) / (sizeof((h)->bitmap[0]) * NBBY); \
uint32_t bit = (q) % (sizeof((h)->bitmap[0]) * NBBY); \
(r) = (h)->bitmap[idx] >> bit & 1;\
} while (0)
/*
* The set of PCI devices this driver supports
*/
static const struct rte_pci_id pci_id_ngbe_map[] = {
{ RTE_PCI_DEVICE(PCI_VENDOR_ID_WANGXUN, NGBE_DEV_ID_EM_WX1860A2) },
{ RTE_PCI_DEVICE(PCI_VENDOR_ID_WANGXUN, NGBE_DEV_ID_EM_WX1860A2S) },
{ RTE_PCI_DEVICE(PCI_VENDOR_ID_WANGXUN, NGBE_DEV_ID_EM_WX1860A4) },
{ RTE_PCI_DEVICE(PCI_VENDOR_ID_WANGXUN, NGBE_DEV_ID_EM_WX1860A4S) },
{ RTE_PCI_DEVICE(PCI_VENDOR_ID_WANGXUN, NGBE_DEV_ID_EM_WX1860AL2) },
{ RTE_PCI_DEVICE(PCI_VENDOR_ID_WANGXUN, NGBE_DEV_ID_EM_WX1860AL2S) },
{ RTE_PCI_DEVICE(PCI_VENDOR_ID_WANGXUN, NGBE_DEV_ID_EM_WX1860AL4) },
{ RTE_PCI_DEVICE(PCI_VENDOR_ID_WANGXUN, NGBE_DEV_ID_EM_WX1860AL4S) },
{ RTE_PCI_DEVICE(PCI_VENDOR_ID_WANGXUN, NGBE_DEV_ID_EM_WX1860NCSI) },
{ RTE_PCI_DEVICE(PCI_VENDOR_ID_WANGXUN, NGBE_DEV_ID_EM_WX1860A1) },
{ RTE_PCI_DEVICE(PCI_VENDOR_ID_WANGXUN, NGBE_DEV_ID_EM_WX1860A1L) },
{ RTE_PCI_DEVICE(PCI_VENDOR_ID_WANGXUN, NGBE_DEV_ID_EM_WX1860AL_W) },
{ .vendor_id = 0, /* sentinel */ },
};
static const struct rte_eth_desc_lim rx_desc_lim = {
.nb_max = NGBE_RING_DESC_MAX,
.nb_min = NGBE_RING_DESC_MIN,
.nb_align = NGBE_RXD_ALIGN,
};
static const struct rte_eth_desc_lim tx_desc_lim = {
.nb_max = NGBE_RING_DESC_MAX,
.nb_min = NGBE_RING_DESC_MIN,
.nb_align = NGBE_TXD_ALIGN,
.nb_seg_max = NGBE_TX_MAX_SEG,
.nb_mtu_seg_max = NGBE_TX_MAX_SEG,
};
static const struct eth_dev_ops ngbe_eth_dev_ops;
static inline int32_t
ngbe_pf_reset_hw(struct ngbe_hw *hw)
{
uint32_t ctrl_ext;
int32_t status;
status = hw->mac.reset_hw(hw);
ctrl_ext = rd32(hw, NGBE_PORTCTL);
/* Set PF Reset Done bit so PF/VF Mail Ops can work */
ctrl_ext |= NGBE_PORTCTL_RSTDONE;
wr32(hw, NGBE_PORTCTL, ctrl_ext);
ngbe_flush(hw);
if (status == NGBE_ERR_SFP_NOT_PRESENT)
status = 0;
return status;
}
static inline void
ngbe_enable_intr(struct rte_eth_dev *dev)
{
struct ngbe_interrupt *intr = ngbe_dev_intr(dev);
struct ngbe_hw *hw = ngbe_dev_hw(dev);
wr32(hw, NGBE_IENMISC, intr->mask_misc);
wr32(hw, NGBE_IMC(0), intr->mask & BIT_MASK32);
ngbe_flush(hw);
}
static void
ngbe_disable_intr(struct ngbe_hw *hw)
{
PMD_INIT_FUNC_TRACE();
wr32(hw, NGBE_IMS(0), NGBE_IMS_MASK);
ngbe_flush(hw);
}
/*
* Ensure that all locks are released before first NVM or PHY access
*/
static void
ngbe_swfw_lock_reset(struct ngbe_hw *hw)
{
uint16_t mask;
/*
* These ones are more tricky since they are common to all ports; but
* swfw_sync retries last long enough (1s) to be almost sure that if
* lock can not be taken it is due to an improper lock of the
* semaphore.
*/
mask = NGBE_MNGSEM_SWPHY |
NGBE_MNGSEM_SWMBX |
NGBE_MNGSEM_SWFLASH;
if (hw->mac.acquire_swfw_sync(hw, mask) < 0)
PMD_DRV_LOG(DEBUG, "SWFW common locks released");
hw->mac.release_swfw_sync(hw, mask);
}
static int
eth_ngbe_dev_init(struct rte_eth_dev *eth_dev, void *init_params __rte_unused)
{
struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(eth_dev);
struct ngbe_hw *hw = ngbe_dev_hw(eth_dev);
struct ngbe_vfta *shadow_vfta = NGBE_DEV_VFTA(eth_dev);
struct ngbe_hwstrip *hwstrip = NGBE_DEV_HWSTRIP(eth_dev);
struct rte_intr_handle *intr_handle = pci_dev->intr_handle;
const struct rte_memzone *mz;
uint32_t ctrl_ext;
int err;
PMD_INIT_FUNC_TRACE();
eth_dev->dev_ops = &ngbe_eth_dev_ops;
eth_dev->rx_pkt_burst = &ngbe_recv_pkts;
eth_dev->tx_pkt_burst = &ngbe_xmit_pkts;
eth_dev->tx_pkt_prepare = &ngbe_prep_pkts;
/*
* For secondary processes, we don't initialise any further as primary
* has already done this work. Only check we don't need a different
* Rx and Tx function.
*/
if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
struct ngbe_tx_queue *txq;
/* Tx queue function in primary, set by last queue initialized
* Tx queue may not initialized by primary process
*/
if (eth_dev->data->tx_queues) {
uint16_t nb_tx_queues = eth_dev->data->nb_tx_queues;
txq = eth_dev->data->tx_queues[nb_tx_queues - 1];
ngbe_set_tx_function(eth_dev, txq);
} else {
/* Use default Tx function if we get here */
PMD_INIT_LOG(NOTICE,
"No Tx queues configured yet. Using default Tx function.");
}
ngbe_set_rx_function(eth_dev);
return 0;
}
rte_eth_copy_pci_info(eth_dev, pci_dev);
/* Vendor and Device ID need to be set before init of shared code */
hw->device_id = pci_dev->id.device_id;
hw->vendor_id = pci_dev->id.vendor_id;
hw->sub_system_id = pci_dev->id.subsystem_device_id;
ngbe_map_device_id(hw);
hw->hw_addr = (void *)pci_dev->mem_resource[0].addr;
/* Reserve memory for interrupt status block */
mz = rte_eth_dma_zone_reserve(eth_dev, "ngbe_driver", -1,
NGBE_ISB_SIZE, NGBE_ALIGN, SOCKET_ID_ANY);
if (mz == NULL)
return -ENOMEM;
hw->isb_dma = TMZ_PADDR(mz);
hw->isb_mem = TMZ_VADDR(mz);
/* Initialize the shared code (base driver) */
err = ngbe_init_shared_code(hw);
if (err != 0) {
PMD_INIT_LOG(ERR, "Shared code init failed: %d", err);
return -EIO;
}
/* Unlock any pending hardware semaphore */
ngbe_swfw_lock_reset(hw);
err = hw->rom.init_params(hw);
if (err != 0) {
PMD_INIT_LOG(ERR, "The EEPROM init failed: %d", err);
return -EIO;
}
/* Make sure we have a good EEPROM before we read from it */
err = hw->rom.validate_checksum(hw, NULL);
if (err != 0) {
PMD_INIT_LOG(ERR, "The EEPROM checksum is not valid: %d", err);
return -EIO;
}
err = hw->mac.init_hw(hw);
if (err != 0) {
PMD_INIT_LOG(ERR, "Hardware Initialization Failure: %d", err);
return -EIO;
}
/* disable interrupt */
ngbe_disable_intr(hw);
/* Allocate memory for storing MAC addresses */
eth_dev->data->mac_addrs = rte_zmalloc("ngbe", RTE_ETHER_ADDR_LEN *
hw->mac.num_rar_entries, 0);
if (eth_dev->data->mac_addrs == NULL) {
PMD_INIT_LOG(ERR,
"Failed to allocate %u bytes needed to store MAC addresses",
RTE_ETHER_ADDR_LEN * hw->mac.num_rar_entries);
return -ENOMEM;
}
/* Copy the permanent MAC address */
rte_ether_addr_copy((struct rte_ether_addr *)hw->mac.perm_addr,
&eth_dev->data->mac_addrs[0]);
/* Allocate memory for storing hash filter MAC addresses */
eth_dev->data->hash_mac_addrs = rte_zmalloc("ngbe",
RTE_ETHER_ADDR_LEN * NGBE_VMDQ_NUM_UC_MAC, 0);
if (eth_dev->data->hash_mac_addrs == NULL) {
PMD_INIT_LOG(ERR,
"Failed to allocate %d bytes needed to store MAC addresses",
RTE_ETHER_ADDR_LEN * NGBE_VMDQ_NUM_UC_MAC);
rte_free(eth_dev->data->mac_addrs);
eth_dev->data->mac_addrs = NULL;
return -ENOMEM;
}
/* initialize the vfta */
memset(shadow_vfta, 0, sizeof(*shadow_vfta));
/* initialize the hw strip bitmap*/
memset(hwstrip, 0, sizeof(*hwstrip));
ctrl_ext = rd32(hw, NGBE_PORTCTL);
/* let hardware know driver is loaded */
ctrl_ext |= NGBE_PORTCTL_DRVLOAD;
/* Set PF Reset Done bit so PF/VF Mail Ops can work */
ctrl_ext |= NGBE_PORTCTL_RSTDONE;
wr32(hw, NGBE_PORTCTL, ctrl_ext);
ngbe_flush(hw);
PMD_INIT_LOG(DEBUG, "MAC: %d, PHY: %d",
(int)hw->mac.type, (int)hw->phy.type);
PMD_INIT_LOG(DEBUG, "port %d vendorID=0x%x deviceID=0x%x",
eth_dev->data->port_id, pci_dev->id.vendor_id,
pci_dev->id.device_id);
rte_intr_callback_register(intr_handle,
ngbe_dev_interrupt_handler, eth_dev);
/* enable uio/vfio intr/eventfd mapping */
rte_intr_enable(intr_handle);
/* enable support intr */
ngbe_enable_intr(eth_dev);
return 0;
}
static int
eth_ngbe_dev_uninit(struct rte_eth_dev *eth_dev)
{
PMD_INIT_FUNC_TRACE();
if (rte_eal_process_type() != RTE_PROC_PRIMARY)
return 0;
ngbe_dev_close(eth_dev);
return 0;
}
static int
eth_ngbe_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
struct rte_pci_device *pci_dev)
{
return rte_eth_dev_create(&pci_dev->device, pci_dev->device.name,
sizeof(struct ngbe_adapter),
eth_dev_pci_specific_init, pci_dev,
eth_ngbe_dev_init, NULL);
}
static int eth_ngbe_pci_remove(struct rte_pci_device *pci_dev)
{
struct rte_eth_dev *ethdev;
ethdev = rte_eth_dev_allocated(pci_dev->device.name);
if (ethdev == NULL)
return 0;
return rte_eth_dev_destroy(ethdev, eth_ngbe_dev_uninit);
}
static struct rte_pci_driver rte_ngbe_pmd = {
.id_table = pci_id_ngbe_map,
.drv_flags = RTE_PCI_DRV_NEED_MAPPING |
RTE_PCI_DRV_INTR_LSC,
.probe = eth_ngbe_pci_probe,
.remove = eth_ngbe_pci_remove,
};
static int
ngbe_vlan_filter_set(struct rte_eth_dev *dev, uint16_t vlan_id, int on)
{
struct ngbe_hw *hw = ngbe_dev_hw(dev);
struct ngbe_vfta *shadow_vfta = NGBE_DEV_VFTA(dev);
uint32_t vfta;
uint32_t vid_idx;
uint32_t vid_bit;
vid_idx = (uint32_t)((vlan_id >> 5) & 0x7F);
vid_bit = (uint32_t)(1 << (vlan_id & 0x1F));
vfta = rd32(hw, NGBE_VLANTBL(vid_idx));
if (on)
vfta |= vid_bit;
else
vfta &= ~vid_bit;
wr32(hw, NGBE_VLANTBL(vid_idx), vfta);
/* update local VFTA copy */
shadow_vfta->vfta[vid_idx] = vfta;
return 0;
}
static void
ngbe_vlan_strip_queue_set(struct rte_eth_dev *dev, uint16_t queue, int on)
{
struct ngbe_hw *hw = ngbe_dev_hw(dev);
struct ngbe_rx_queue *rxq;
bool restart;
uint32_t rxcfg, rxbal, rxbah;
if (on)
ngbe_vlan_hw_strip_enable(dev, queue);
else
ngbe_vlan_hw_strip_disable(dev, queue);
rxq = dev->data->rx_queues[queue];
rxbal = rd32(hw, NGBE_RXBAL(rxq->reg_idx));
rxbah = rd32(hw, NGBE_RXBAH(rxq->reg_idx));
rxcfg = rd32(hw, NGBE_RXCFG(rxq->reg_idx));
if (rxq->offloads & RTE_ETH_RX_OFFLOAD_VLAN_STRIP) {
restart = (rxcfg & NGBE_RXCFG_ENA) &&
!(rxcfg & NGBE_RXCFG_VLAN);
rxcfg |= NGBE_RXCFG_VLAN;
} else {
restart = (rxcfg & NGBE_RXCFG_ENA) &&
(rxcfg & NGBE_RXCFG_VLAN);
rxcfg &= ~NGBE_RXCFG_VLAN;
}
rxcfg &= ~NGBE_RXCFG_ENA;
if (restart) {
/* set vlan strip for ring */
ngbe_dev_rx_queue_stop(dev, queue);
wr32(hw, NGBE_RXBAL(rxq->reg_idx), rxbal);
wr32(hw, NGBE_RXBAH(rxq->reg_idx), rxbah);
wr32(hw, NGBE_RXCFG(rxq->reg_idx), rxcfg);
ngbe_dev_rx_queue_start(dev, queue);
}
}
static int
ngbe_vlan_tpid_set(struct rte_eth_dev *dev,
enum rte_vlan_type vlan_type,
uint16_t tpid)
{
struct ngbe_hw *hw = ngbe_dev_hw(dev);
int ret = 0;
uint32_t portctrl, vlan_ext, qinq;
portctrl = rd32(hw, NGBE_PORTCTL);
vlan_ext = (portctrl & NGBE_PORTCTL_VLANEXT);
qinq = vlan_ext && (portctrl & NGBE_PORTCTL_QINQ);
switch (vlan_type) {
case RTE_ETH_VLAN_TYPE_INNER:
if (vlan_ext) {
wr32m(hw, NGBE_VLANCTL,
NGBE_VLANCTL_TPID_MASK,
NGBE_VLANCTL_TPID(tpid));
wr32m(hw, NGBE_DMATXCTRL,
NGBE_DMATXCTRL_TPID_MASK,
NGBE_DMATXCTRL_TPID(tpid));
} else {
ret = -ENOTSUP;
PMD_DRV_LOG(ERR,
"Inner type is not supported by single VLAN");
}
if (qinq) {
wr32m(hw, NGBE_TAGTPID(0),
NGBE_TAGTPID_LSB_MASK,
NGBE_TAGTPID_LSB(tpid));
}
break;
case RTE_ETH_VLAN_TYPE_OUTER:
if (vlan_ext) {
/* Only the high 16-bits is valid */
wr32m(hw, NGBE_EXTAG,
NGBE_EXTAG_VLAN_MASK,
NGBE_EXTAG_VLAN(tpid));
} else {
wr32m(hw, NGBE_VLANCTL,
NGBE_VLANCTL_TPID_MASK,
NGBE_VLANCTL_TPID(tpid));
wr32m(hw, NGBE_DMATXCTRL,
NGBE_DMATXCTRL_TPID_MASK,
NGBE_DMATXCTRL_TPID(tpid));
}
if (qinq) {
wr32m(hw, NGBE_TAGTPID(0),
NGBE_TAGTPID_MSB_MASK,
NGBE_TAGTPID_MSB(tpid));
}
break;
default:
PMD_DRV_LOG(ERR, "Unsupported VLAN type %d", vlan_type);
return -EINVAL;
}
return ret;
}
void
ngbe_vlan_hw_filter_disable(struct rte_eth_dev *dev)
{
struct ngbe_hw *hw = ngbe_dev_hw(dev);
uint32_t vlnctrl;
PMD_INIT_FUNC_TRACE();
/* Filter Table Disable */
vlnctrl = rd32(hw, NGBE_VLANCTL);
vlnctrl &= ~NGBE_VLANCTL_VFE;
wr32(hw, NGBE_VLANCTL, vlnctrl);
}
void
ngbe_vlan_hw_filter_enable(struct rte_eth_dev *dev)
{
struct ngbe_hw *hw = ngbe_dev_hw(dev);
struct ngbe_vfta *shadow_vfta = NGBE_DEV_VFTA(dev);
uint32_t vlnctrl;
uint16_t i;
PMD_INIT_FUNC_TRACE();
/* Filter Table Enable */
vlnctrl = rd32(hw, NGBE_VLANCTL);
vlnctrl &= ~NGBE_VLANCTL_CFIENA;
vlnctrl |= NGBE_VLANCTL_VFE;
wr32(hw, NGBE_VLANCTL, vlnctrl);
/* write whatever is in local vfta copy */
for (i = 0; i < NGBE_VFTA_SIZE; i++)
wr32(hw, NGBE_VLANTBL(i), shadow_vfta->vfta[i]);
}
void
ngbe_vlan_hw_strip_bitmap_set(struct rte_eth_dev *dev, uint16_t queue, bool on)
{
struct ngbe_hwstrip *hwstrip = NGBE_DEV_HWSTRIP(dev);
struct ngbe_rx_queue *rxq;
if (queue >= NGBE_MAX_RX_QUEUE_NUM)
return;
if (on)
NGBE_SET_HWSTRIP(hwstrip, queue);
else
NGBE_CLEAR_HWSTRIP(hwstrip, queue);
if (queue >= dev->data->nb_rx_queues)
return;
rxq = dev->data->rx_queues[queue];
if (on) {
rxq->vlan_flags = RTE_MBUF_F_RX_VLAN | RTE_MBUF_F_RX_VLAN_STRIPPED;
rxq->offloads |= RTE_ETH_RX_OFFLOAD_VLAN_STRIP;
} else {
rxq->vlan_flags = RTE_MBUF_F_RX_VLAN;
rxq->offloads &= ~RTE_ETH_RX_OFFLOAD_VLAN_STRIP;
}
}
static void
ngbe_vlan_hw_strip_disable(struct rte_eth_dev *dev, uint16_t queue)
{
struct ngbe_hw *hw = ngbe_dev_hw(dev);
uint32_t ctrl;
PMD_INIT_FUNC_TRACE();
ctrl = rd32(hw, NGBE_RXCFG(queue));
ctrl &= ~NGBE_RXCFG_VLAN;
wr32(hw, NGBE_RXCFG(queue), ctrl);
/* record those setting for HW strip per queue */
ngbe_vlan_hw_strip_bitmap_set(dev, queue, 0);
}
static void
ngbe_vlan_hw_strip_enable(struct rte_eth_dev *dev, uint16_t queue)
{
struct ngbe_hw *hw = ngbe_dev_hw(dev);
uint32_t ctrl;
PMD_INIT_FUNC_TRACE();
ctrl = rd32(hw, NGBE_RXCFG(queue));
ctrl |= NGBE_RXCFG_VLAN;
wr32(hw, NGBE_RXCFG(queue), ctrl);
/* record those setting for HW strip per queue */
ngbe_vlan_hw_strip_bitmap_set(dev, queue, 1);
}
static void
ngbe_vlan_hw_extend_disable(struct rte_eth_dev *dev)
{
struct ngbe_hw *hw = ngbe_dev_hw(dev);
uint32_t ctrl;
PMD_INIT_FUNC_TRACE();
ctrl = rd32(hw, NGBE_PORTCTL);
ctrl &= ~NGBE_PORTCTL_VLANEXT;
ctrl &= ~NGBE_PORTCTL_QINQ;
wr32(hw, NGBE_PORTCTL, ctrl);
}
static void
ngbe_vlan_hw_extend_enable(struct rte_eth_dev *dev)
{
struct ngbe_hw *hw = ngbe_dev_hw(dev);
uint32_t ctrl;
PMD_INIT_FUNC_TRACE();
ctrl = rd32(hw, NGBE_PORTCTL);
ctrl |= NGBE_PORTCTL_VLANEXT | NGBE_PORTCTL_QINQ;
wr32(hw, NGBE_PORTCTL, ctrl);
}
static void
ngbe_qinq_hw_strip_disable(struct rte_eth_dev *dev)
{
struct ngbe_hw *hw = ngbe_dev_hw(dev);
uint32_t ctrl;
PMD_INIT_FUNC_TRACE();
ctrl = rd32(hw, NGBE_PORTCTL);
ctrl &= ~NGBE_PORTCTL_QINQ;
wr32(hw, NGBE_PORTCTL, ctrl);
}
static void
ngbe_qinq_hw_strip_enable(struct rte_eth_dev *dev)
{
struct ngbe_hw *hw = ngbe_dev_hw(dev);
uint32_t ctrl;
PMD_INIT_FUNC_TRACE();
ctrl = rd32(hw, NGBE_PORTCTL);
ctrl |= NGBE_PORTCTL_QINQ | NGBE_PORTCTL_VLANEXT;
wr32(hw, NGBE_PORTCTL, ctrl);
}
void
ngbe_vlan_hw_strip_config(struct rte_eth_dev *dev)
{
struct ngbe_rx_queue *rxq;
uint16_t i;
PMD_INIT_FUNC_TRACE();
for (i = 0; i < dev->data->nb_rx_queues; i++) {
rxq = dev->data->rx_queues[i];
if (rxq->offloads & RTE_ETH_RX_OFFLOAD_VLAN_STRIP)
ngbe_vlan_hw_strip_enable(dev, i);
else
ngbe_vlan_hw_strip_disable(dev, i);
}
}
void
ngbe_config_vlan_strip_on_all_queues(struct rte_eth_dev *dev, int mask)
{
uint16_t i;
struct rte_eth_rxmode *rxmode;
struct ngbe_rx_queue *rxq;
if (mask & RTE_ETH_VLAN_STRIP_MASK) {
rxmode = &dev->data->dev_conf.rxmode;
if (rxmode->offloads & RTE_ETH_RX_OFFLOAD_VLAN_STRIP)
for (i = 0; i < dev->data->nb_rx_queues; i++) {
rxq = dev->data->rx_queues[i];
rxq->offloads |= RTE_ETH_RX_OFFLOAD_VLAN_STRIP;
}
else
for (i = 0; i < dev->data->nb_rx_queues; i++) {
rxq = dev->data->rx_queues[i];
rxq->offloads &= ~RTE_ETH_RX_OFFLOAD_VLAN_STRIP;
}
}
}
static int
ngbe_vlan_offload_config(struct rte_eth_dev *dev, int mask)
{
struct rte_eth_rxmode *rxmode;
rxmode = &dev->data->dev_conf.rxmode;
if (mask & RTE_ETH_VLAN_STRIP_MASK)
ngbe_vlan_hw_strip_config(dev);
if (mask & RTE_ETH_VLAN_FILTER_MASK) {
if (rxmode->offloads & RTE_ETH_RX_OFFLOAD_VLAN_FILTER)
ngbe_vlan_hw_filter_enable(dev);
else
ngbe_vlan_hw_filter_disable(dev);
}
if (mask & RTE_ETH_VLAN_EXTEND_MASK) {
if (rxmode->offloads & RTE_ETH_RX_OFFLOAD_VLAN_EXTEND)
ngbe_vlan_hw_extend_enable(dev);
else
ngbe_vlan_hw_extend_disable(dev);
}
if (mask & RTE_ETH_QINQ_STRIP_MASK) {
if (rxmode->offloads & RTE_ETH_RX_OFFLOAD_QINQ_STRIP)
ngbe_qinq_hw_strip_enable(dev);
else
ngbe_qinq_hw_strip_disable(dev);
}
return 0;
}
static int
ngbe_vlan_offload_set(struct rte_eth_dev *dev, int mask)
{
ngbe_config_vlan_strip_on_all_queues(dev, mask);
ngbe_vlan_offload_config(dev, mask);
return 0;
}
static int
ngbe_dev_configure(struct rte_eth_dev *dev)
{
struct ngbe_interrupt *intr = ngbe_dev_intr(dev);
struct ngbe_adapter *adapter = ngbe_dev_adapter(dev);
PMD_INIT_FUNC_TRACE();
/* set flag to update link status after init */
intr->flags |= NGBE_FLAG_NEED_LINK_UPDATE;
/*
* Initialize to TRUE. If any of Rx queues doesn't meet the bulk
* allocation Rx preconditions we will reset it.
*/
adapter->rx_bulk_alloc_allowed = true;
return 0;
}
static void
ngbe_dev_phy_intr_setup(struct rte_eth_dev *dev)
{
struct ngbe_hw *hw = ngbe_dev_hw(dev);
struct ngbe_interrupt *intr = ngbe_dev_intr(dev);
wr32(hw, NGBE_GPIODIR, NGBE_GPIODIR_DDR(1));
wr32(hw, NGBE_GPIOINTEN, NGBE_GPIOINTEN_INT(3));
wr32(hw, NGBE_GPIOINTTYPE, NGBE_GPIOINTTYPE_LEVEL(0));
if (hw->phy.type == ngbe_phy_yt8521s_sfi)
wr32(hw, NGBE_GPIOINTPOL, NGBE_GPIOINTPOL_ACT(0));
else
wr32(hw, NGBE_GPIOINTPOL, NGBE_GPIOINTPOL_ACT(3));
intr->mask_misc |= NGBE_ICRMISC_GPIO;
}
/*
* Configure device link speed and setup link.
* It returns 0 on success.
*/
static int
ngbe_dev_start(struct rte_eth_dev *dev)
{
struct ngbe_hw *hw = ngbe_dev_hw(dev);
struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
struct rte_intr_handle *intr_handle = pci_dev->intr_handle;
uint32_t intr_vector = 0;
int err;
bool link_up = false, negotiate = false;
uint32_t speed = 0;
uint32_t allowed_speeds = 0;
int mask = 0;
int status;
uint32_t *link_speeds;
PMD_INIT_FUNC_TRACE();
/* disable uio/vfio intr/eventfd mapping */
rte_intr_disable(intr_handle);
/* stop adapter */
hw->adapter_stopped = 0;
ngbe_stop_hw(hw);
/* reinitialize adapter, this calls reset and start */
hw->nb_rx_queues = dev->data->nb_rx_queues;
hw->nb_tx_queues = dev->data->nb_tx_queues;
status = ngbe_pf_reset_hw(hw);
if (status != 0)
return -1;
hw->mac.start_hw(hw);
hw->mac.get_link_status = true;
ngbe_dev_phy_intr_setup(dev);
/* check and configure queue intr-vector mapping */
if ((rte_intr_cap_multiple(intr_handle) ||
!RTE_ETH_DEV_SRIOV(dev).active) &&
dev->data->dev_conf.intr_conf.rxq != 0) {
intr_vector = dev->data->nb_rx_queues;
if (rte_intr_efd_enable(intr_handle, intr_vector))
return -1;
}
if (rte_intr_dp_is_en(intr_handle)) {
if (rte_intr_vec_list_alloc(intr_handle, "intr_vec",
dev->data->nb_rx_queues)) {
PMD_INIT_LOG(ERR,
"Failed to allocate %d rx_queues intr_vec",
dev->data->nb_rx_queues);
return -ENOMEM;
}
}
/* confiugre MSI-X for sleep until Rx interrupt */
ngbe_configure_msix(dev);
/* initialize transmission unit */
ngbe_dev_tx_init(dev);
/* This can fail when allocating mbufs for descriptor rings */
err = ngbe_dev_rx_init(dev);
if (err != 0) {
PMD_INIT_LOG(ERR, "Unable to initialize Rx hardware");
goto error;
}
mask = RTE_ETH_VLAN_STRIP_MASK | RTE_ETH_VLAN_FILTER_MASK |
RTE_ETH_VLAN_EXTEND_MASK;
err = ngbe_vlan_offload_config(dev, mask);
if (err != 0) {
PMD_INIT_LOG(ERR, "Unable to set VLAN offload");
goto error;
}
ngbe_configure_port(dev);
err = ngbe_dev_rxtx_start(dev);
if (err < 0) {
PMD_INIT_LOG(ERR, "Unable to start rxtx queues");
goto error;
}
err = hw->mac.check_link(hw, &speed, &link_up, 0);
if (err != 0)
goto error;
dev->data->dev_link.link_status = link_up;
link_speeds = &dev->data->dev_conf.link_speeds;
if (*link_speeds == RTE_ETH_LINK_SPEED_AUTONEG)
negotiate = true;
err = hw->mac.get_link_capabilities(hw, &speed, &negotiate);
if (err != 0)
goto error;
allowed_speeds = 0;
if (hw->mac.default_speeds & NGBE_LINK_SPEED_1GB_FULL)
allowed_speeds |= RTE_ETH_LINK_SPEED_1G;
if (hw->mac.default_speeds & NGBE_LINK_SPEED_100M_FULL)
allowed_speeds |= RTE_ETH_LINK_SPEED_100M;
if (hw->mac.default_speeds & NGBE_LINK_SPEED_10M_FULL)
allowed_speeds |= RTE_ETH_LINK_SPEED_10M;
if (*link_speeds & ~allowed_speeds) {
PMD_INIT_LOG(ERR, "Invalid link setting");
goto error;
}
speed = 0x0;
if (*link_speeds == RTE_ETH_LINK_SPEED_AUTONEG) {
speed = hw->mac.default_speeds;
} else {
if (*link_speeds & RTE_ETH_LINK_SPEED_1G)
speed |= NGBE_LINK_SPEED_1GB_FULL;
if (*link_speeds & RTE_ETH_LINK_SPEED_100M)
speed |= NGBE_LINK_SPEED_100M_FULL;
if (*link_speeds & RTE_ETH_LINK_SPEED_10M)
speed |= NGBE_LINK_SPEED_10M_FULL;
}
hw->phy.init_hw(hw);
err = hw->mac.setup_link(hw, speed, link_up);
if (err != 0)
goto error;
if (rte_intr_allow_others(intr_handle)) {
ngbe_dev_misc_interrupt_setup(dev);
/* check if lsc interrupt is enabled */
if (dev->data->dev_conf.intr_conf.lsc != 0)
ngbe_dev_lsc_interrupt_setup(dev, TRUE);
else
ngbe_dev_lsc_interrupt_setup(dev, FALSE);
ngbe_dev_macsec_interrupt_setup(dev);
ngbe_set_ivar_map(hw, -1, 1, NGBE_MISC_VEC_ID);
} else {
rte_intr_callback_unregister(intr_handle,
ngbe_dev_interrupt_handler, dev);
if (dev->data->dev_conf.intr_conf.lsc != 0)
PMD_INIT_LOG(INFO,
"LSC won't enable because of no intr multiplex");
}
/* check if rxq interrupt is enabled */
if (dev->data->dev_conf.intr_conf.rxq != 0 &&
rte_intr_dp_is_en(intr_handle))
ngbe_dev_rxq_interrupt_setup(dev);
/* enable UIO/VFIO intr/eventfd mapping */
rte_intr_enable(intr_handle);
/* resume enabled intr since HW reset */
ngbe_enable_intr(dev);
if ((hw->sub_system_id & NGBE_OEM_MASK) == NGBE_LY_M88E1512_SFP ||
(hw->sub_system_id & NGBE_OEM_MASK) == NGBE_LY_YT8521S_SFP) {
/* gpio0 is used to power on/off control*/
wr32(hw, NGBE_GPIODATA, 0);
}
/*
* Update link status right before return, because it may
* start link configuration process in a separate thread.
*/
ngbe_dev_link_update(dev, 0);
return 0;
error:
PMD_INIT_LOG(ERR, "failure in dev start: %d", err);
ngbe_dev_clear_queues(dev);
return -EIO;
}
/*
* Stop device: disable rx and tx functions to allow for reconfiguring.
*/
static int
ngbe_dev_stop(struct rte_eth_dev *dev)
{
struct rte_eth_link link;
struct ngbe_hw *hw = ngbe_dev_hw(dev);
struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
struct rte_intr_handle *intr_handle = pci_dev->intr_handle;
if (hw->adapter_stopped)
return 0;
PMD_INIT_FUNC_TRACE();
if ((hw->sub_system_id & NGBE_OEM_MASK) == NGBE_LY_M88E1512_SFP ||
(hw->sub_system_id & NGBE_OEM_MASK) == NGBE_LY_YT8521S_SFP) {
/* gpio0 is used to power on/off control*/
wr32(hw, NGBE_GPIODATA, NGBE_GPIOBIT_0);
}
/* disable interrupts */
ngbe_disable_intr(hw);
/* reset the NIC */
ngbe_pf_reset_hw(hw);
hw->adapter_stopped = 0;
/* stop adapter */
ngbe_stop_hw(hw);
ngbe_dev_clear_queues(dev);
/* Clear stored conf */
dev->data->scattered_rx = 0;
/* Clear recorded link status */
memset(&link, 0, sizeof(link));
rte_eth_linkstatus_set(dev, &link);
if (!rte_intr_allow_others(intr_handle))
/* resume to the default handler */
rte_intr_callback_register(intr_handle,
ngbe_dev_interrupt_handler,
(void *)dev);
/* Clean datapath event and queue/vec mapping */
rte_intr_efd_disable(intr_handle);
rte_intr_vec_list_free(intr_handle);
hw->adapter_stopped = true;
dev->data->dev_started = 0;
return 0;
}
/*
* Reset and stop device.
*/
static int
ngbe_dev_close(struct rte_eth_dev *dev)
{
struct ngbe_hw *hw = ngbe_dev_hw(dev);
struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
struct rte_intr_handle *intr_handle = pci_dev->intr_handle;
int retries = 0;
int ret;
PMD_INIT_FUNC_TRACE();
ngbe_pf_reset_hw(hw);
ngbe_dev_stop(dev);
ngbe_dev_free_queues(dev);
/* reprogram the RAR[0] in case user changed it. */
ngbe_set_rar(hw, 0, hw->mac.addr, 0, true);
/* Unlock any pending hardware semaphore */
ngbe_swfw_lock_reset(hw);
/* disable uio intr before callback unregister */
rte_intr_disable(intr_handle);
do {
ret = rte_intr_callback_unregister(intr_handle,
ngbe_dev_interrupt_handler, dev);
if (ret >= 0 || ret == -ENOENT) {
break;
} else if (ret != -EAGAIN) {
PMD_INIT_LOG(ERR,
"intr callback unregister failed: %d",
ret);
}
rte_delay_ms(100);
} while (retries++ < (10 + NGBE_LINK_UP_TIME));
rte_free(dev->data->mac_addrs);
dev->data->mac_addrs = NULL;
rte_free(dev->data->hash_mac_addrs);
dev->data->hash_mac_addrs = NULL;
return ret;
}
/*
* Reset PF device.
*/
static int
ngbe_dev_reset(struct rte_eth_dev *dev)
{
int ret;
ret = eth_ngbe_dev_uninit(dev);
if (ret != 0)
return ret;
ret = eth_ngbe_dev_init(dev, NULL);
return ret;
}
static int
ngbe_dev_info_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info)
{
struct ngbe_hw *hw = ngbe_dev_hw(dev);
dev_info->max_rx_queues = (uint16_t)hw->mac.max_rx_queues;
dev_info->max_tx_queues = (uint16_t)hw->mac.max_tx_queues;
dev_info->min_rx_bufsize = 1024;
dev_info->max_rx_pktlen = 15872;
dev_info->rx_queue_offload_capa = ngbe_get_rx_queue_offloads(dev);
dev_info->rx_offload_capa = (ngbe_get_rx_port_offloads(dev) |
dev_info->rx_queue_offload_capa);
dev_info->tx_queue_offload_capa = 0;
dev_info->tx_offload_capa = ngbe_get_tx_port_offloads(dev);
dev_info->default_rxconf = (struct rte_eth_rxconf) {
.rx_thresh = {
.pthresh = NGBE_DEFAULT_RX_PTHRESH,
.hthresh = NGBE_DEFAULT_RX_HTHRESH,
.wthresh = NGBE_DEFAULT_RX_WTHRESH,
},
.rx_free_thresh = NGBE_DEFAULT_RX_FREE_THRESH,
.rx_drop_en = 0,
.offloads = 0,
};
dev_info->default_txconf = (struct rte_eth_txconf) {
.tx_thresh = {
.pthresh = NGBE_DEFAULT_TX_PTHRESH,
.hthresh = NGBE_DEFAULT_TX_HTHRESH,
.wthresh = NGBE_DEFAULT_TX_WTHRESH,
},
.tx_free_thresh = NGBE_DEFAULT_TX_FREE_THRESH,
.offloads = 0,
};
dev_info->rx_desc_lim = rx_desc_lim;
dev_info->tx_desc_lim = tx_desc_lim;
dev_info->speed_capa = RTE_ETH_LINK_SPEED_1G | RTE_ETH_LINK_SPEED_100M |
RTE_ETH_LINK_SPEED_10M;
/* Driver-preferred Rx/Tx parameters */
dev_info->default_rxportconf.burst_size = 32;
dev_info->default_txportconf.burst_size = 32;
dev_info->default_rxportconf.nb_queues = 1;
dev_info->default_txportconf.nb_queues = 1;
dev_info->default_rxportconf.ring_size = 256;
dev_info->default_txportconf.ring_size = 256;
return 0;
}
const uint32_t *
ngbe_dev_supported_ptypes_get(struct rte_eth_dev *dev)
{
if (dev->rx_pkt_burst == ngbe_recv_pkts ||
dev->rx_pkt_burst == ngbe_recv_pkts_sc_single_alloc ||
dev->rx_pkt_burst == ngbe_recv_pkts_sc_bulk_alloc ||
dev->rx_pkt_burst == ngbe_recv_pkts_bulk_alloc)
return ngbe_get_supported_ptypes();
return NULL;
}
/* return 0 means link status changed, -1 means not changed */
int
ngbe_dev_link_update_share(struct rte_eth_dev *dev,
int wait_to_complete)
{
struct ngbe_hw *hw = ngbe_dev_hw(dev);
struct rte_eth_link link;
u32 link_speed = NGBE_LINK_SPEED_UNKNOWN;
u32 lan_speed = 0;
struct ngbe_interrupt *intr = ngbe_dev_intr(dev);
bool link_up;
int err;
int wait = 1;
memset(&link, 0, sizeof(link));
link.link_status = RTE_ETH_LINK_DOWN;
link.link_speed = RTE_ETH_SPEED_NUM_NONE;
link.link_duplex = RTE_ETH_LINK_HALF_DUPLEX;
link.link_autoneg = !(dev->data->dev_conf.link_speeds &
~RTE_ETH_LINK_SPEED_AUTONEG);
hw->mac.get_link_status = true;
if (intr->flags & NGBE_FLAG_NEED_LINK_CONFIG)
return rte_eth_linkstatus_set(dev, &link);
/* check if it needs to wait to complete, if lsc interrupt is enabled */
if (wait_to_complete == 0 || dev->data->dev_conf.intr_conf.lsc != 0)
wait = 0;
err = hw->mac.check_link(hw, &link_speed, &link_up, wait);
if (err != 0) {
link.link_speed = RTE_ETH_SPEED_NUM_NONE;
link.link_duplex = RTE_ETH_LINK_FULL_DUPLEX;
return rte_eth_linkstatus_set(dev, &link);
}
if (!link_up)
return rte_eth_linkstatus_set(dev, &link);
intr->flags &= ~NGBE_FLAG_NEED_LINK_CONFIG;
link.link_status = RTE_ETH_LINK_UP;
link.link_duplex = RTE_ETH_LINK_FULL_DUPLEX;
switch (link_speed) {
default:
case NGBE_LINK_SPEED_UNKNOWN:
link.link_speed = RTE_ETH_SPEED_NUM_NONE;
break;
case NGBE_LINK_SPEED_10M_FULL:
link.link_speed = RTE_ETH_SPEED_NUM_10M;
lan_speed = 0;
break;
case NGBE_LINK_SPEED_100M_FULL:
link.link_speed = RTE_ETH_SPEED_NUM_100M;
lan_speed = 1;
break;
case NGBE_LINK_SPEED_1GB_FULL:
link.link_speed = RTE_ETH_SPEED_NUM_1G;
lan_speed = 2;
break;
}
if (hw->is_pf) {
wr32m(hw, NGBE_LAN_SPEED, NGBE_LAN_SPEED_MASK, lan_speed);
if (link_speed & (NGBE_LINK_SPEED_1GB_FULL |
NGBE_LINK_SPEED_100M_FULL |
NGBE_LINK_SPEED_10M_FULL)) {
wr32m(hw, NGBE_MACTXCFG, NGBE_MACTXCFG_SPEED_MASK,
NGBE_MACTXCFG_SPEED_1G | NGBE_MACTXCFG_TE);
}
}
return rte_eth_linkstatus_set(dev, &link);
}
static int
ngbe_dev_link_update(struct rte_eth_dev *dev, int wait_to_complete)
{
return ngbe_dev_link_update_share(dev, wait_to_complete);
}
/**
* It clears the interrupt causes and enables the interrupt.
* It will be called once only during NIC initialized.
*
* @param dev
* Pointer to struct rte_eth_dev.
* @param on
* Enable or Disable.
*
* @return
* - On success, zero.
* - On failure, a negative value.
*/
static int
ngbe_dev_lsc_interrupt_setup(struct rte_eth_dev *dev, uint8_t on)
{
struct ngbe_interrupt *intr = ngbe_dev_intr(dev);
ngbe_dev_link_status_print(dev);
if (on != 0) {
intr->mask_misc |= NGBE_ICRMISC_PHY;
intr->mask_misc |= NGBE_ICRMISC_GPIO;
} else {
intr->mask_misc &= ~NGBE_ICRMISC_PHY;
intr->mask_misc &= ~NGBE_ICRMISC_GPIO;
}
return 0;
}
/**
* It clears the interrupt causes and enables the interrupt.
* It will be called once only during NIC initialized.
*
* @param dev
* Pointer to struct rte_eth_dev.
*
* @return
* - On success, zero.
* - On failure, a negative value.
*/
static int
ngbe_dev_misc_interrupt_setup(struct rte_eth_dev *dev)
{
struct ngbe_interrupt *intr = ngbe_dev_intr(dev);
u64 mask;
mask = NGBE_ICR_MASK;
mask &= (1ULL << NGBE_MISC_VEC_ID);
intr->mask |= mask;
intr->mask_misc |= NGBE_ICRMISC_GPIO;
return 0;
}
/**
* It clears the interrupt causes and enables the interrupt.
* It will be called once only during NIC initialized.
*
* @param dev
* Pointer to struct rte_eth_dev.
*
* @return
* - On success, zero.
* - On failure, a negative value.
*/
static int
ngbe_dev_rxq_interrupt_setup(struct rte_eth_dev *dev)
{
struct ngbe_interrupt *intr = ngbe_dev_intr(dev);
u64 mask;
mask = NGBE_ICR_MASK;
mask &= ~((1ULL << NGBE_RX_VEC_START) - 1);
intr->mask |= mask;
return 0;
}
/**
* It clears the interrupt causes and enables the interrupt.
* It will be called once only during NIC initialized.
*
* @param dev
* Pointer to struct rte_eth_dev.
*
* @return
* - On success, zero.
* - On failure, a negative value.
*/
static int
ngbe_dev_macsec_interrupt_setup(struct rte_eth_dev *dev)
{
struct ngbe_interrupt *intr = ngbe_dev_intr(dev);
intr->mask_misc |= NGBE_ICRMISC_LNKSEC;
return 0;
}
/*
* It reads ICR and sets flag for the link_update.
*
* @param dev
* Pointer to struct rte_eth_dev.
*
* @return
* - On success, zero.
* - On failure, a negative value.
*/
static int
ngbe_dev_interrupt_get_status(struct rte_eth_dev *dev)
{
uint32_t eicr;
struct ngbe_hw *hw = ngbe_dev_hw(dev);
struct ngbe_interrupt *intr = ngbe_dev_intr(dev);
/* clear all cause mask */
ngbe_disable_intr(hw);
/* read-on-clear nic registers here */
eicr = ((u32 *)hw->isb_mem)[NGBE_ISB_MISC];
PMD_DRV_LOG(DEBUG, "eicr %x", eicr);
intr->flags = 0;
/* set flag for async link update */
if (eicr & NGBE_ICRMISC_PHY)
intr->flags |= NGBE_FLAG_NEED_LINK_UPDATE;
if (eicr & NGBE_ICRMISC_VFMBX)
intr->flags |= NGBE_FLAG_MAILBOX;
if (eicr & NGBE_ICRMISC_LNKSEC)
intr->flags |= NGBE_FLAG_MACSEC;
if (eicr & NGBE_ICRMISC_GPIO)
intr->flags |= NGBE_FLAG_NEED_LINK_UPDATE;
return 0;
}
/**
* It gets and then prints the link status.
*
* @param dev
* Pointer to struct rte_eth_dev.
*
* @return
* - On success, zero.
* - On failure, a negative value.
*/
static void
ngbe_dev_link_status_print(struct rte_eth_dev *dev)
{
struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
struct rte_eth_link link;
rte_eth_linkstatus_get(dev, &link);
if (link.link_status == RTE_ETH_LINK_UP) {
PMD_INIT_LOG(INFO, "Port %d: Link Up - speed %u Mbps - %s",
(int)(dev->data->port_id),
(unsigned int)link.link_speed,
link.link_duplex == RTE_ETH_LINK_FULL_DUPLEX ?
"full-duplex" : "half-duplex");
} else {
PMD_INIT_LOG(INFO, " Port %d: Link Down",
(int)(dev->data->port_id));
}
PMD_INIT_LOG(DEBUG, "PCI Address: " PCI_PRI_FMT,
pci_dev->addr.domain,
pci_dev->addr.bus,
pci_dev->addr.devid,
pci_dev->addr.function);
}
/*
* It executes link_update after knowing an interrupt occurred.
*
* @param dev
* Pointer to struct rte_eth_dev.
*
* @return
* - On success, zero.
* - On failure, a negative value.
*/
static int
ngbe_dev_interrupt_action(struct rte_eth_dev *dev)
{
struct ngbe_interrupt *intr = ngbe_dev_intr(dev);
int64_t timeout;
PMD_DRV_LOG(DEBUG, "intr action type %d", intr->flags);
if (intr->flags & NGBE_FLAG_NEED_LINK_UPDATE) {
struct rte_eth_link link;
/*get the link status before link update, for predicting later*/
rte_eth_linkstatus_get(dev, &link);
ngbe_dev_link_update(dev, 0);
/* likely to up */
if (link.link_status != RTE_ETH_LINK_UP)
/* handle it 1 sec later, wait it being stable */
timeout = NGBE_LINK_UP_CHECK_TIMEOUT;
/* likely to down */
else
/* handle it 4 sec later, wait it being stable */
timeout = NGBE_LINK_DOWN_CHECK_TIMEOUT;
ngbe_dev_link_status_print(dev);
if (rte_eal_alarm_set(timeout * 1000,
ngbe_dev_interrupt_delayed_handler,
(void *)dev) < 0) {
PMD_DRV_LOG(ERR, "Error setting alarm");
} else {
/* remember original mask */
intr->mask_misc_orig = intr->mask_misc;
/* only disable lsc interrupt */
intr->mask_misc &= ~NGBE_ICRMISC_PHY;
intr->mask_orig = intr->mask;
/* only disable all misc interrupts */
intr->mask &= ~(1ULL << NGBE_MISC_VEC_ID);
}
}
PMD_DRV_LOG(DEBUG, "enable intr immediately");
ngbe_enable_intr(dev);
return 0;
}
/**
* Interrupt handler which shall be registered for alarm callback for delayed
* handling specific interrupt to wait for the stable nic state. As the
* NIC interrupt state is not stable for ngbe after link is just down,
* it needs to wait 4 seconds to get the stable status.
*
* @param param
* The address of parameter (struct rte_eth_dev *) registered before.
*/
static void
ngbe_dev_interrupt_delayed_handler(void *param)
{
struct rte_eth_dev *dev = (struct rte_eth_dev *)param;
struct ngbe_interrupt *intr = ngbe_dev_intr(dev);
struct ngbe_hw *hw = ngbe_dev_hw(dev);
uint32_t eicr;
ngbe_disable_intr(hw);
eicr = ((u32 *)hw->isb_mem)[NGBE_ISB_MISC];
if (intr->flags & NGBE_FLAG_NEED_LINK_UPDATE) {
ngbe_dev_link_update(dev, 0);
intr->flags &= ~NGBE_FLAG_NEED_LINK_UPDATE;
ngbe_dev_link_status_print(dev);
rte_eth_dev_callback_process(dev, RTE_ETH_EVENT_INTR_LSC,
NULL);
}
if (intr->flags & NGBE_FLAG_MACSEC) {
rte_eth_dev_callback_process(dev, RTE_ETH_EVENT_MACSEC,
NULL);
intr->flags &= ~NGBE_FLAG_MACSEC;
}
/* restore original mask */
intr->mask_misc = intr->mask_misc_orig;
intr->mask_misc_orig = 0;
intr->mask = intr->mask_orig;
intr->mask_orig = 0;
PMD_DRV_LOG(DEBUG, "enable intr in delayed handler S[%08x]", eicr);
ngbe_enable_intr(dev);
}
/**
* Interrupt handler triggered by NIC for handling
* specific interrupt.
*
* @param param
* The address of parameter (struct rte_eth_dev *) registered before.
*/
static void
ngbe_dev_interrupt_handler(void *param)
{
struct rte_eth_dev *dev = (struct rte_eth_dev *)param;
ngbe_dev_interrupt_get_status(dev);
ngbe_dev_interrupt_action(dev);
}
/**
* Set the IVAR registers, mapping interrupt causes to vectors
* @param hw
* pointer to ngbe_hw struct
* @direction
* 0 for Rx, 1 for Tx, -1 for other causes
* @queue
* queue to map the corresponding interrupt to
* @msix_vector
* the vector to map to the corresponding queue
*/
void
ngbe_set_ivar_map(struct ngbe_hw *hw, int8_t direction,
uint8_t queue, uint8_t msix_vector)
{
uint32_t tmp, idx;
if (direction == -1) {
/* other causes */
msix_vector |= NGBE_IVARMISC_VLD;
idx = 0;
tmp = rd32(hw, NGBE_IVARMISC);
tmp &= ~(0xFF << idx);
tmp |= (msix_vector << idx);
wr32(hw, NGBE_IVARMISC, tmp);
} else {
/* rx or tx causes */
/* Workround for ICR lost */
idx = ((16 * (queue & 1)) + (8 * direction));
tmp = rd32(hw, NGBE_IVAR(queue >> 1));
tmp &= ~(0xFF << idx);
tmp |= (msix_vector << idx);
wr32(hw, NGBE_IVAR(queue >> 1), tmp);
}
}
/**
* Sets up the hardware to properly generate MSI-X interrupts
* @hw
* board private structure
*/
static void
ngbe_configure_msix(struct rte_eth_dev *dev)
{
struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
struct rte_intr_handle *intr_handle = pci_dev->intr_handle;
struct ngbe_hw *hw = ngbe_dev_hw(dev);
uint32_t queue_id, base = NGBE_MISC_VEC_ID;
uint32_t vec = NGBE_MISC_VEC_ID;
uint32_t gpie;
/*
* Won't configure MSI-X register if no mapping is done
* between intr vector and event fd
* but if MSI-X has been enabled already, need to configure
* auto clean, auto mask and throttling.
*/
gpie = rd32(hw, NGBE_GPIE);
if (!rte_intr_dp_is_en(intr_handle) &&
!(gpie & NGBE_GPIE_MSIX))
return;
if (rte_intr_allow_others(intr_handle)) {
base = NGBE_RX_VEC_START;
vec = base;
}
/* setup GPIE for MSI-X mode */
gpie = rd32(hw, NGBE_GPIE);
gpie |= NGBE_GPIE_MSIX;
wr32(hw, NGBE_GPIE, gpie);
/* Populate the IVAR table and set the ITR values to the
* corresponding register.
*/
if (rte_intr_dp_is_en(intr_handle)) {
for (queue_id = 0; queue_id < dev->data->nb_rx_queues;
queue_id++) {
/* by default, 1:1 mapping */
ngbe_set_ivar_map(hw, 0, queue_id, vec);
rte_intr_vec_list_index_set(intr_handle,
queue_id, vec);
if (vec < base + rte_intr_nb_efd_get(intr_handle)
- 1)
vec++;
}
ngbe_set_ivar_map(hw, -1, 1, NGBE_MISC_VEC_ID);
}
wr32(hw, NGBE_ITR(NGBE_MISC_VEC_ID),
NGBE_ITR_IVAL_1G(NGBE_QUEUE_ITR_INTERVAL_DEFAULT)
| NGBE_ITR_WRDSA);
}
static const struct eth_dev_ops ngbe_eth_dev_ops = {
.dev_configure = ngbe_dev_configure,
.dev_infos_get = ngbe_dev_info_get,
.dev_start = ngbe_dev_start,
.dev_stop = ngbe_dev_stop,
.dev_close = ngbe_dev_close,
.dev_reset = ngbe_dev_reset,
.link_update = ngbe_dev_link_update,
.dev_supported_ptypes_get = ngbe_dev_supported_ptypes_get,
.vlan_filter_set = ngbe_vlan_filter_set,
.vlan_tpid_set = ngbe_vlan_tpid_set,
.vlan_offload_set = ngbe_vlan_offload_set,
.vlan_strip_queue_set = ngbe_vlan_strip_queue_set,
.rx_queue_start = ngbe_dev_rx_queue_start,
.rx_queue_stop = ngbe_dev_rx_queue_stop,
.tx_queue_start = ngbe_dev_tx_queue_start,
.tx_queue_stop = ngbe_dev_tx_queue_stop,
.rx_queue_setup = ngbe_dev_rx_queue_setup,
.rx_queue_release = ngbe_dev_rx_queue_release,
.tx_queue_setup = ngbe_dev_tx_queue_setup,
.tx_queue_release = ngbe_dev_tx_queue_release,
.rx_burst_mode_get = ngbe_rx_burst_mode_get,
.tx_burst_mode_get = ngbe_tx_burst_mode_get,
};
RTE_PMD_REGISTER_PCI(net_ngbe, rte_ngbe_pmd);
RTE_PMD_REGISTER_PCI_TABLE(net_ngbe, pci_id_ngbe_map);
RTE_PMD_REGISTER_KMOD_DEP(net_ngbe, "* igb_uio | uio_pci_generic | vfio-pci");
RTE_LOG_REGISTER_SUFFIX(ngbe_logtype_init, init, NOTICE);
RTE_LOG_REGISTER_SUFFIX(ngbe_logtype_driver, driver, NOTICE);
#ifdef RTE_ETHDEV_DEBUG_RX
RTE_LOG_REGISTER_SUFFIX(ngbe_logtype_rx, rx, DEBUG);
#endif
#ifdef RTE_ETHDEV_DEBUG_TX
RTE_LOG_REGISTER_SUFFIX(ngbe_logtype_tx, tx, DEBUG);
#endif
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