net/igc: implement device base operations

Bellow ops are implemented:
dev_configure
dev_start
dev_stop
dev_close
dev_reset
dev_set_link_up
dev_set_link_down
link_update
fw_version_get
dev_led_on
dev_led_off

Signed-off-by: Alvin Zhang <alvinx.zhang@intel.com>
Reviewed-by: Ferruh Yigit <ferruh.yigit@intel.com>
This commit is contained in:
Alvin Zhang 2020-04-15 16:48:02 +08:00 committed by Ferruh Yigit
parent 8cb7c57d9b
commit 4f09bc55ac
3 changed files with 674 additions and 10 deletions

View File

@ -3,6 +3,11 @@
; Refer to default.ini for the full list of available PMD features.
;
[Features]
Speed capabilities = Y
Link status = Y
Link status event = Y
FW version = Y
LED = Y
Linux UIO = Y
Linux VFIO = Y
x86-64 = Y

View File

@ -3,6 +3,7 @@
*/
#include <stdint.h>
#include <string.h>
#include <rte_pci.h>
#include <rte_bus_pci.h>
@ -15,7 +16,34 @@
#define IGC_INTEL_VENDOR_ID 0x8086
/*
* The overhead from MTU to max frame size.
* Considering VLAN so tag needs to be counted.
*/
#define IGC_ETH_OVERHEAD (RTE_ETHER_HDR_LEN + \
RTE_ETHER_CRC_LEN + VLAN_TAG_SIZE)
#define IGC_FC_PAUSE_TIME 0x0680
#define IGC_LINK_UPDATE_CHECK_TIMEOUT 90 /* 9s */
#define IGC_LINK_UPDATE_CHECK_INTERVAL 100 /* ms */
#define IGC_MISC_VEC_ID RTE_INTR_VEC_ZERO_OFFSET
#define IGC_RX_VEC_START RTE_INTR_VEC_RXTX_OFFSET
#define IGC_MSIX_OTHER_INTR_VEC 0 /* MSI-X other interrupt vector */
#define IGC_FLAG_NEED_LINK_UPDATE (1u << 0) /* need update link */
#define IGC_DEFAULT_RX_FREE_THRESH 32
#define IGC_DEFAULT_RX_PTHRESH 8
#define IGC_DEFAULT_RX_HTHRESH 8
#define IGC_DEFAULT_RX_WTHRESH 4
#define IGC_DEFAULT_TX_PTHRESH 8
#define IGC_DEFAULT_TX_HTHRESH 1
#define IGC_DEFAULT_TX_WTHRESH 16
/* MSI-X other interrupt vector */
#define IGC_MSIX_OTHER_INTR_VEC 0
static const struct rte_pci_id pci_id_igc_map[] = {
{ RTE_PCI_DEVICE(IGC_INTEL_VENDOR_ID, IGC_DEV_ID_I225_LM) },
@ -29,12 +57,20 @@ static int eth_igc_configure(struct rte_eth_dev *dev);
static int eth_igc_link_update(struct rte_eth_dev *dev, int wait_to_complete);
static void eth_igc_stop(struct rte_eth_dev *dev);
static int eth_igc_start(struct rte_eth_dev *dev);
static int eth_igc_set_link_up(struct rte_eth_dev *dev);
static int eth_igc_set_link_down(struct rte_eth_dev *dev);
static void eth_igc_close(struct rte_eth_dev *dev);
static int eth_igc_reset(struct rte_eth_dev *dev);
static int eth_igc_promiscuous_enable(struct rte_eth_dev *dev);
static int eth_igc_promiscuous_disable(struct rte_eth_dev *dev);
static int eth_igc_fw_version_get(struct rte_eth_dev *dev,
char *fw_version, size_t fw_size);
static int eth_igc_infos_get(struct rte_eth_dev *dev,
struct rte_eth_dev_info *dev_info);
static int eth_igc_led_on(struct rte_eth_dev *dev);
static int eth_igc_led_off(struct rte_eth_dev *dev);
static void eth_igc_tx_queue_release(void *txq);
static void eth_igc_rx_queue_release(void *rxq);
static int
eth_igc_rx_queue_setup(struct rte_eth_dev *dev, uint16_t rx_queue_id,
uint16_t nb_rx_desc, unsigned int socket_id,
@ -52,35 +88,394 @@ static const struct eth_dev_ops eth_igc_ops = {
.dev_start = eth_igc_start,
.dev_close = eth_igc_close,
.dev_reset = eth_igc_reset,
.dev_set_link_up = eth_igc_set_link_up,
.dev_set_link_down = eth_igc_set_link_down,
.promiscuous_enable = eth_igc_promiscuous_enable,
.promiscuous_disable = eth_igc_promiscuous_disable,
.fw_version_get = eth_igc_fw_version_get,
.dev_infos_get = eth_igc_infos_get,
.dev_led_on = eth_igc_led_on,
.dev_led_off = eth_igc_led_off,
.rx_queue_setup = eth_igc_rx_queue_setup,
.rx_queue_release = eth_igc_rx_queue_release,
.tx_queue_setup = eth_igc_tx_queue_setup,
.tx_queue_release = eth_igc_tx_queue_release,
};
/*
* multiple queue mode checking
*/
static int
igc_check_mq_mode(struct rte_eth_dev *dev)
{
enum rte_eth_rx_mq_mode rx_mq_mode = dev->data->dev_conf.rxmode.mq_mode;
enum rte_eth_tx_mq_mode tx_mq_mode = dev->data->dev_conf.txmode.mq_mode;
if (RTE_ETH_DEV_SRIOV(dev).active != 0) {
PMD_INIT_LOG(ERR, "SRIOV is not supported.");
return -EINVAL;
}
if (rx_mq_mode != ETH_MQ_RX_NONE &&
rx_mq_mode != ETH_MQ_RX_RSS) {
/* RSS together with VMDq not supported*/
PMD_INIT_LOG(ERR, "RX mode %d is not supported.",
rx_mq_mode);
return -EINVAL;
}
/* To no break software that set invalid mode, only display
* warning if invalid mode is used.
*/
if (tx_mq_mode != ETH_MQ_TX_NONE)
PMD_INIT_LOG(WARNING,
"TX mode %d is not supported. Due to meaningless in this driver, just ignore",
tx_mq_mode);
return 0;
}
static int
eth_igc_configure(struct rte_eth_dev *dev)
{
struct igc_interrupt *intr = IGC_DEV_PRIVATE_INTR(dev);
int ret;
PMD_INIT_FUNC_TRACE();
RTE_SET_USED(dev);
ret = igc_check_mq_mode(dev);
if (ret != 0)
return ret;
intr->flags |= IGC_FLAG_NEED_LINK_UPDATE;
return 0;
}
static int
eth_igc_link_update(struct rte_eth_dev *dev, int wait_to_complete)
eth_igc_set_link_up(struct rte_eth_dev *dev)
{
PMD_INIT_FUNC_TRACE();
RTE_SET_USED(dev);
RTE_SET_USED(wait_to_complete);
struct igc_hw *hw = IGC_DEV_PRIVATE_HW(dev);
if (hw->phy.media_type == igc_media_type_copper)
igc_power_up_phy(hw);
else
igc_power_up_fiber_serdes_link(hw);
return 0;
}
static int
eth_igc_set_link_down(struct rte_eth_dev *dev)
{
struct igc_hw *hw = IGC_DEV_PRIVATE_HW(dev);
if (hw->phy.media_type == igc_media_type_copper)
igc_power_down_phy(hw);
else
igc_shutdown_fiber_serdes_link(hw);
return 0;
}
/*
* disable other interrupt
*/
static void
igc_intr_other_disable(struct rte_eth_dev *dev)
{
struct igc_hw *hw = IGC_DEV_PRIVATE_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 (rte_intr_allow_others(intr_handle) &&
dev->data->dev_conf.intr_conf.lsc) {
IGC_WRITE_REG(hw, IGC_EIMC, 1u << IGC_MSIX_OTHER_INTR_VEC);
}
IGC_WRITE_REG(hw, IGC_IMC, ~0);
IGC_WRITE_FLUSH(hw);
}
/*
* enable other interrupt
*/
static inline void
igc_intr_other_enable(struct rte_eth_dev *dev)
{
struct igc_interrupt *intr = IGC_DEV_PRIVATE_INTR(dev);
struct igc_hw *hw = IGC_DEV_PRIVATE_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 (rte_intr_allow_others(intr_handle) &&
dev->data->dev_conf.intr_conf.lsc) {
IGC_WRITE_REG(hw, IGC_EIMS, 1u << IGC_MSIX_OTHER_INTR_VEC);
}
IGC_WRITE_REG(hw, IGC_IMS, intr->mask);
IGC_WRITE_FLUSH(hw);
}
/*
* It reads ICR and gets interrupt causes, check it and set a bit flag
* to update link status.
*/
static void
eth_igc_interrupt_get_status(struct rte_eth_dev *dev)
{
uint32_t icr;
struct igc_hw *hw = IGC_DEV_PRIVATE_HW(dev);
struct igc_interrupt *intr = IGC_DEV_PRIVATE_INTR(dev);
/* read-on-clear nic registers here */
icr = IGC_READ_REG(hw, IGC_ICR);
intr->flags = 0;
if (icr & IGC_ICR_LSC)
intr->flags |= IGC_FLAG_NEED_LINK_UPDATE;
}
/* return 0 means link status changed, -1 means not changed */
static int
eth_igc_link_update(struct rte_eth_dev *dev, int wait_to_complete)
{
struct igc_hw *hw = IGC_DEV_PRIVATE_HW(dev);
struct rte_eth_link link;
int link_check, count;
link_check = 0;
hw->mac.get_link_status = 1;
/* possible wait-to-complete in up to 9 seconds */
for (count = 0; count < IGC_LINK_UPDATE_CHECK_TIMEOUT; count++) {
/* Read the real link status */
switch (hw->phy.media_type) {
case igc_media_type_copper:
/* Do the work to read phy */
igc_check_for_link(hw);
link_check = !hw->mac.get_link_status;
break;
case igc_media_type_fiber:
igc_check_for_link(hw);
link_check = (IGC_READ_REG(hw, IGC_STATUS) &
IGC_STATUS_LU);
break;
case igc_media_type_internal_serdes:
igc_check_for_link(hw);
link_check = hw->mac.serdes_has_link;
break;
default:
break;
}
if (link_check || wait_to_complete == 0)
break;
rte_delay_ms(IGC_LINK_UPDATE_CHECK_INTERVAL);
}
memset(&link, 0, sizeof(link));
/* Now we check if a transition has happened */
if (link_check) {
uint16_t duplex, speed;
hw->mac.ops.get_link_up_info(hw, &speed, &duplex);
link.link_duplex = (duplex == FULL_DUPLEX) ?
ETH_LINK_FULL_DUPLEX :
ETH_LINK_HALF_DUPLEX;
link.link_speed = speed;
link.link_status = ETH_LINK_UP;
link.link_autoneg = !(dev->data->dev_conf.link_speeds &
ETH_LINK_SPEED_FIXED);
if (speed == SPEED_2500) {
uint32_t tipg = IGC_READ_REG(hw, IGC_TIPG);
if ((tipg & IGC_TIPG_IPGT_MASK) != 0x0b) {
tipg &= ~IGC_TIPG_IPGT_MASK;
tipg |= 0x0b;
IGC_WRITE_REG(hw, IGC_TIPG, tipg);
}
}
} else {
link.link_speed = 0;
link.link_duplex = ETH_LINK_HALF_DUPLEX;
link.link_status = ETH_LINK_DOWN;
link.link_autoneg = ETH_LINK_FIXED;
}
return rte_eth_linkstatus_set(dev, &link);
}
/*
* It executes link_update after knowing an interrupt is present.
*/
static void
eth_igc_interrupt_action(struct rte_eth_dev *dev)
{
struct igc_interrupt *intr = IGC_DEV_PRIVATE_INTR(dev);
struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
struct rte_eth_link link;
int ret;
if (intr->flags & IGC_FLAG_NEED_LINK_UPDATE) {
intr->flags &= ~IGC_FLAG_NEED_LINK_UPDATE;
/* set get_link_status to check register later */
ret = eth_igc_link_update(dev, 0);
/* check if link has changed */
if (ret < 0)
return;
rte_eth_linkstatus_get(dev, &link);
if (link.link_status)
PMD_DRV_LOG(INFO,
" Port %d: Link Up - speed %u Mbps - %s",
dev->data->port_id,
(unsigned int)link.link_speed,
link.link_duplex == ETH_LINK_FULL_DUPLEX ?
"full-duplex" : "half-duplex");
else
PMD_DRV_LOG(INFO, " Port %d: Link Down",
dev->data->port_id);
PMD_DRV_LOG(DEBUG, "PCI Address: " PCI_PRI_FMT,
pci_dev->addr.domain,
pci_dev->addr.bus,
pci_dev->addr.devid,
pci_dev->addr.function);
_rte_eth_dev_callback_process(dev, RTE_ETH_EVENT_INTR_LSC,
NULL);
}
}
/*
* Interrupt handler which shall be registered at first.
*
* @handle
* Pointer to interrupt handle.
* @param
* The address of parameter (struct rte_eth_dev *) registered before.
*/
static void
eth_igc_interrupt_handler(void *param)
{
struct rte_eth_dev *dev = (struct rte_eth_dev *)param;
eth_igc_interrupt_get_status(dev);
eth_igc_interrupt_action(dev);
}
/*
* This routine disables all traffic on the adapter by issuing a
* global reset on the MAC.
*/
static void
eth_igc_stop(struct rte_eth_dev *dev)
{
PMD_INIT_FUNC_TRACE();
RTE_SET_USED(dev);
struct igc_adapter *adapter = IGC_DEV_PRIVATE(dev);
struct igc_hw *hw = IGC_DEV_PRIVATE_HW(dev);
struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
struct rte_eth_link link;
adapter->stopped = 1;
/* disable all MSI-X interrupts */
IGC_WRITE_REG(hw, IGC_EIMC, 0x1f);
IGC_WRITE_FLUSH(hw);
/* clear all MSI-X interrupts */
IGC_WRITE_REG(hw, IGC_EICR, 0x1f);
igc_intr_other_disable(dev);
/* disable intr eventfd mapping */
rte_intr_disable(intr_handle);
igc_reset_hw(hw);
/* disable all wake up */
IGC_WRITE_REG(hw, IGC_WUC, 0);
/* Set bit for Go Link disconnect */
igc_read_reg_check_set_bits(hw, IGC_82580_PHY_POWER_MGMT,
IGC_82580_PM_GO_LINKD);
/* Power down the phy. Needed to make the link go Down */
eth_igc_set_link_down(dev);
/* clear the 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,
eth_igc_interrupt_handler,
(void *)dev);
/* Clean datapath event and queue/vec mapping */
rte_intr_efd_disable(intr_handle);
}
/* Sets up the hardware to generate MSI-X interrupts properly
* @hw
* board private structure
*/
static void
igc_configure_msix_intr(struct rte_eth_dev *dev)
{
struct igc_hw *hw = IGC_DEV_PRIVATE_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_mask;
/* won't configure msix register if no mapping is done
* between intr vector and event fd
*/
if (!rte_intr_dp_is_en(intr_handle) ||
!dev->data->dev_conf.intr_conf.lsc)
return;
/* turn on MSI-X capability first */
IGC_WRITE_REG(hw, IGC_GPIE, IGC_GPIE_MSIX_MODE |
IGC_GPIE_PBA | IGC_GPIE_EIAME |
IGC_GPIE_NSICR);
intr_mask = (1u << IGC_MSIX_OTHER_INTR_VEC);
/* enable msix auto-clear */
igc_read_reg_check_set_bits(hw, IGC_EIAC, intr_mask);
/* set other cause interrupt vector */
igc_read_reg_check_set_bits(hw, IGC_IVAR_MISC,
(uint32_t)(IGC_MSIX_OTHER_INTR_VEC | IGC_IVAR_VALID) << 8);
/* enable auto-mask */
igc_read_reg_check_set_bits(hw, IGC_EIAM, intr_mask);
IGC_WRITE_FLUSH(hw);
}
/**
* It enables the interrupt mask and then enable the interrupt.
*
* @dev
* Pointer to struct rte_eth_dev.
* @on
* Enable or Disable
*/
static void
igc_lsc_interrupt_setup(struct rte_eth_dev *dev, uint8_t on)
{
struct igc_interrupt *intr = IGC_DEV_PRIVATE_INTR(dev);
if (on)
intr->mask |= IGC_ICR_LSC;
else
intr->mask &= ~IGC_ICR_LSC;
}
/*
@ -170,9 +565,134 @@ igc_hardware_init(struct igc_hw *hw)
static int
eth_igc_start(struct rte_eth_dev *dev)
{
struct igc_hw *hw = IGC_DEV_PRIVATE_HW(dev);
struct igc_adapter *adapter = IGC_DEV_PRIVATE(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 *speeds;
int num_speeds;
bool autoneg;
PMD_INIT_FUNC_TRACE();
RTE_SET_USED(dev);
/* disable all MSI-X interrupts */
IGC_WRITE_REG(hw, IGC_EIMC, 0x1f);
IGC_WRITE_FLUSH(hw);
/* clear all MSI-X interrupts */
IGC_WRITE_REG(hw, IGC_EICR, 0x1f);
/* disable uio/vfio intr/eventfd mapping */
if (!adapter->stopped)
rte_intr_disable(intr_handle);
/* Power up the phy. Needed to make the link go Up */
eth_igc_set_link_up(dev);
/* Put the address into the Receive Address Array */
igc_rar_set(hw, hw->mac.addr, 0);
/* Initialize the hardware */
if (igc_hardware_init(hw)) {
PMD_DRV_LOG(ERR, "Unable to initialize the hardware");
return -EIO;
}
adapter->stopped = 0;
/* confiugre msix for rx interrupt */
igc_configure_msix_intr(dev);
igc_clear_hw_cntrs_base_generic(hw);
/* Setup link speed and duplex */
speeds = &dev->data->dev_conf.link_speeds;
if (*speeds == ETH_LINK_SPEED_AUTONEG) {
hw->phy.autoneg_advertised = IGC_ALL_SPEED_DUPLEX_2500;
hw->mac.autoneg = 1;
} else {
num_speeds = 0;
autoneg = (*speeds & ETH_LINK_SPEED_FIXED) == 0;
/* Reset */
hw->phy.autoneg_advertised = 0;
if (*speeds & ~(ETH_LINK_SPEED_10M_HD | ETH_LINK_SPEED_10M |
ETH_LINK_SPEED_100M_HD | ETH_LINK_SPEED_100M |
ETH_LINK_SPEED_1G | ETH_LINK_SPEED_2_5G |
ETH_LINK_SPEED_FIXED)) {
num_speeds = -1;
goto error_invalid_config;
}
if (*speeds & ETH_LINK_SPEED_10M_HD) {
hw->phy.autoneg_advertised |= ADVERTISE_10_HALF;
num_speeds++;
}
if (*speeds & ETH_LINK_SPEED_10M) {
hw->phy.autoneg_advertised |= ADVERTISE_10_FULL;
num_speeds++;
}
if (*speeds & ETH_LINK_SPEED_100M_HD) {
hw->phy.autoneg_advertised |= ADVERTISE_100_HALF;
num_speeds++;
}
if (*speeds & ETH_LINK_SPEED_100M) {
hw->phy.autoneg_advertised |= ADVERTISE_100_FULL;
num_speeds++;
}
if (*speeds & ETH_LINK_SPEED_1G) {
hw->phy.autoneg_advertised |= ADVERTISE_1000_FULL;
num_speeds++;
}
if (*speeds & ETH_LINK_SPEED_2_5G) {
hw->phy.autoneg_advertised |= ADVERTISE_2500_FULL;
num_speeds++;
}
if (num_speeds == 0 || (!autoneg && num_speeds > 1))
goto error_invalid_config;
/* Set/reset the mac.autoneg based on the link speed,
* fixed or not
*/
if (!autoneg) {
hw->mac.autoneg = 0;
hw->mac.forced_speed_duplex =
hw->phy.autoneg_advertised;
} else {
hw->mac.autoneg = 1;
}
}
igc_setup_link(hw);
if (rte_intr_allow_others(intr_handle)) {
/* check if lsc interrupt is enabled */
if (dev->data->dev_conf.intr_conf.lsc)
igc_lsc_interrupt_setup(dev, 1);
else
igc_lsc_interrupt_setup(dev, 0);
} else {
rte_intr_callback_unregister(intr_handle,
eth_igc_interrupt_handler,
(void *)dev);
if (dev->data->dev_conf.intr_conf.lsc)
PMD_DRV_LOG(INFO,
"LSC won't enable because of no intr multiplex");
}
/* enable uio/vfio intr/eventfd mapping */
rte_intr_enable(intr_handle);
/* resume enabled intr since hw reset */
igc_intr_other_enable(dev);
eth_igc_link_update(dev, 0);
return 0;
error_invalid_config:
PMD_DRV_LOG(ERR, "Invalid advertised speeds (%u) for port %u",
dev->data->dev_conf.link_speeds, dev->data->port_id);
return -EINVAL;
}
static int
@ -232,10 +752,28 @@ igc_reset_swfw_lock(struct igc_hw *hw)
static void
eth_igc_close(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 igc_hw *hw = IGC_DEV_PRIVATE_HW(dev);
struct igc_adapter *adapter = IGC_DEV_PRIVATE(dev);
int retry = 0;
PMD_INIT_FUNC_TRACE();
if (!adapter->stopped)
eth_igc_stop(dev);
igc_intr_other_disable(dev);
do {
int ret = rte_intr_callback_unregister(intr_handle,
eth_igc_interrupt_handler, dev);
if (ret >= 0 || ret == -ENOENT || ret == -EINVAL)
break;
PMD_DRV_LOG(ERR, "intr callback unregister failed: %d", ret);
DELAY(200 * 1000); /* delay 200ms */
} while (retry++ < 5);
igc_phy_hw_reset(hw);
igc_hw_control_release(hw);
@ -258,6 +796,7 @@ static int
eth_igc_dev_init(struct rte_eth_dev *dev)
{
struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
struct igc_adapter *igc = IGC_DEV_PRIVATE(dev);
struct igc_hw *hw = IGC_DEV_PRIVATE_HW(dev);
int error = 0;
@ -364,6 +903,7 @@ eth_igc_dev_init(struct rte_eth_dev *dev)
dev->data->dev_flags |= RTE_ETH_DEV_CLOSE_REMOVE;
hw->mac.get_link_status = 1;
igc->stopped = 0;
/* Indicate SOL/IDER usage */
if (igc_check_reset_block(hw) < 0)
@ -374,6 +914,15 @@ eth_igc_dev_init(struct rte_eth_dev *dev)
dev->data->port_id, pci_dev->id.vendor_id,
pci_dev->id.device_id);
rte_intr_callback_register(&pci_dev->intr_handle,
eth_igc_interrupt_handler, (void *)dev);
/* enable uio/vfio intr/eventfd mapping */
rte_intr_enable(&pci_dev->intr_handle);
/* enable support intr */
igc_intr_other_enable(dev);
return 0;
err_late:
@ -423,16 +972,81 @@ eth_igc_promiscuous_disable(struct rte_eth_dev *dev)
return 0;
}
static int
eth_igc_fw_version_get(struct rte_eth_dev *dev, char *fw_version,
size_t fw_size)
{
struct igc_hw *hw = IGC_DEV_PRIVATE_HW(dev);
struct igc_fw_version fw;
int ret;
igc_get_fw_version(hw, &fw);
/* if option rom is valid, display its version too */
if (fw.or_valid) {
ret = snprintf(fw_version, fw_size,
"%d.%d, 0x%08x, %d.%d.%d",
fw.eep_major, fw.eep_minor, fw.etrack_id,
fw.or_major, fw.or_build, fw.or_patch);
/* no option rom */
} else {
if (fw.etrack_id != 0X0000) {
ret = snprintf(fw_version, fw_size,
"%d.%d, 0x%08x",
fw.eep_major, fw.eep_minor,
fw.etrack_id);
} else {
ret = snprintf(fw_version, fw_size,
"%d.%d.%d",
fw.eep_major, fw.eep_minor,
fw.eep_build);
}
}
ret += 1; /* add the size of '\0' */
if (fw_size < (u32)ret)
return ret;
else
return 0;
}
static int
eth_igc_infos_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info)
{
PMD_INIT_FUNC_TRACE();
RTE_SET_USED(dev);
struct igc_hw *hw = IGC_DEV_PRIVATE_HW(dev);
dev_info->min_rx_bufsize = 256; /* See BSIZE field of RCTL register. */
dev_info->max_rx_pktlen = MAX_RX_JUMBO_FRAME_SIZE;
dev_info->max_mac_addrs = hw->mac.rar_entry_count;
dev_info->max_rx_queues = IGC_QUEUE_PAIRS_NUM;
dev_info->max_tx_queues = IGC_QUEUE_PAIRS_NUM;
dev_info->max_vmdq_pools = 0;
dev_info->speed_capa = ETH_LINK_SPEED_10M_HD | ETH_LINK_SPEED_10M |
ETH_LINK_SPEED_100M_HD | ETH_LINK_SPEED_100M |
ETH_LINK_SPEED_1G | ETH_LINK_SPEED_2_5G;
dev_info->max_mtu = dev_info->max_rx_pktlen - IGC_ETH_OVERHEAD;
dev_info->min_mtu = RTE_ETHER_MIN_MTU;
return 0;
}
static int
eth_igc_led_on(struct rte_eth_dev *dev)
{
struct igc_hw *hw = IGC_DEV_PRIVATE_HW(dev);
return igc_led_on(hw) == IGC_SUCCESS ? 0 : -ENOTSUP;
}
static int
eth_igc_led_off(struct rte_eth_dev *dev)
{
struct igc_hw *hw = IGC_DEV_PRIVATE_HW(dev);
return igc_led_off(hw) == IGC_SUCCESS ? 0 : -ENOTSUP;
}
static int
eth_igc_rx_queue_setup(struct rte_eth_dev *dev, uint16_t rx_queue_id,
uint16_t nb_rx_desc, unsigned int socket_id,
@ -463,6 +1077,16 @@ eth_igc_tx_queue_setup(struct rte_eth_dev *dev, uint16_t queue_idx,
return 0;
}
static void eth_igc_tx_queue_release(void *txq)
{
RTE_SET_USED(txq);
}
static void eth_igc_rx_queue_release(void *rxq)
{
RTE_SET_USED(rxq);
}
static int
eth_igc_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
struct rte_pci_device *pci_dev)

View File

@ -18,11 +18,19 @@ extern "C" {
#define IGC_QUEUE_PAIRS_NUM 4
/* structure for interrupt relative data */
struct igc_interrupt {
uint32_t flags;
uint32_t mask;
};
/*
* Structure to store private data for each driver instance (for each port).
*/
struct igc_adapter {
struct igc_hw hw;
struct igc_interrupt intr;
bool stopped;
};
#define IGC_DEV_PRIVATE(_dev) ((_dev)->data->dev_private)
@ -30,6 +38,33 @@ struct igc_adapter {
#define IGC_DEV_PRIVATE_HW(_dev) \
(&((struct igc_adapter *)(_dev)->data->dev_private)->hw)
#define IGC_DEV_PRIVATE_INTR(_dev) \
(&((struct igc_adapter *)(_dev)->data->dev_private)->intr)
static inline void
igc_read_reg_check_set_bits(struct igc_hw *hw, uint32_t reg, uint32_t bits)
{
uint32_t reg_val = IGC_READ_REG(hw, reg);
bits |= reg_val;
if (bits == reg_val)
return; /* no need to write back */
IGC_WRITE_REG(hw, reg, bits);
}
static inline void
igc_read_reg_check_clear_bits(struct igc_hw *hw, uint32_t reg, uint32_t bits)
{
uint32_t reg_val = IGC_READ_REG(hw, reg);
bits = reg_val & ~bits;
if (bits == reg_val)
return; /* no need to write back */
IGC_WRITE_REG(hw, reg, bits);
}
#ifdef __cplusplus
}
#endif