/*-
* BSD LICENSE
*
* Copyright(c) 2010-2012 Intel Corporation. All rights reserved.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Intel Corporation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* version: DPDK.L.1.2.3-3
*/
#include <sys/queue.h>
#include <stdio.h>
#include <errno.h>
#include <stdint.h>
#include <string.h>
#include <unistd.h>
#include <stdarg.h>
#include <inttypes.h>
#include <rte_byteorder.h>
#include <rte_common.h>
#include <rte_cycles.h>
#include <rte_interrupts.h>
#include <rte_log.h>
#include <rte_debug.h>
#include <rte_pci.h>
#include <rte_atomic.h>
#include <rte_branch_prediction.h>
#include <rte_memory.h>
#include <rte_memzone.h>
#include <rte_tailq.h>
#include <rte_eal.h>
#include <rte_alarm.h>
#include <rte_ether.h>
#include <rte_ethdev.h>
#include <rte_atomic.h>
#include <rte_malloc.h>
#include "ixgbe_logs.h"
#include "ixgbe/ixgbe_api.h"
#include "ixgbe/ixgbe_vf.h"
#include "ixgbe/ixgbe_common.h"
#include "ixgbe_ethdev.h"
/*
* High threshold controlling when to start sending XOFF frames. Must be at
* least 8 bytes less than receive packet buffer size. This value is in units
* of 1024 bytes.
*/
#define IXGBE_FC_HI 0x80
/*
* Low threshold controlling when to start sending XON frames. This value is
* in units of 1024 bytes.
*/
#define IXGBE_FC_LO 0x40
/* Timer value included in XOFF frames. */
#define IXGBE_FC_PAUSE 0x680
#define IXGBE_LINK_DOWN_CHECK_TIMEOUT 4000 /* ms */
#define IXGBE_LINK_UP_CHECK_TIMEOUT 1000 /* ms */
static int eth_ixgbe_dev_init(struct eth_driver *eth_drv,
struct rte_eth_dev *eth_dev);
static int ixgbe_dev_configure(struct rte_eth_dev *dev, uint16_t nb_rx_q,
uint16_t nb_tx_q);
static int ixgbe_dev_start(struct rte_eth_dev *dev);
static void ixgbe_dev_stop(struct rte_eth_dev *dev);
static void ixgbe_dev_close(struct rte_eth_dev *dev);
static void ixgbe_dev_promiscuous_enable(struct rte_eth_dev *dev);
static void ixgbe_dev_promiscuous_disable(struct rte_eth_dev *dev);
static void ixgbe_dev_allmulticast_enable(struct rte_eth_dev *dev);
static void ixgbe_dev_allmulticast_disable(struct rte_eth_dev *dev);
static int ixgbe_dev_link_update(struct rte_eth_dev *dev,
int wait_to_complete);
static void ixgbe_dev_stats_get(struct rte_eth_dev *dev,
struct rte_eth_stats *stats);
static void ixgbe_dev_stats_reset(struct rte_eth_dev *dev);
static void ixgbe_dev_info_get(struct rte_eth_dev *dev,
struct rte_eth_dev_info *dev_info);
static void ixgbe_vlan_filter_set(struct rte_eth_dev *dev,
uint16_t vlan_id,
int on);
static int ixgbe_dev_led_on(struct rte_eth_dev *dev);
static int ixgbe_dev_led_off(struct rte_eth_dev *dev);
static int ixgbe_flow_ctrl_set(struct rte_eth_dev *dev,
struct rte_eth_fc_conf *fc_conf);
static void ixgbe_dev_link_status_print(struct rte_eth_dev *dev);
static int ixgbe_dev_interrupt_setup(struct rte_eth_dev *dev);
static int ixgbe_dev_interrupt_get_status(struct rte_eth_dev *dev);
static int ixgbe_dev_interrupt_action(struct rte_eth_dev *dev);
static void ixgbe_dev_interrupt_handler(struct rte_intr_handle *handle,
void *param);
static void ixgbe_dev_interrupt_delayed_handler(void *param);
static void ixgbe_add_rar(struct rte_eth_dev *dev, struct ether_addr *mac_addr,
uint32_t index, uint32_t pool);
static void ixgbe_remove_rar(struct rte_eth_dev *dev, uint32_t index);
/* For Virtual Function support */
static int eth_ixgbevf_dev_init(struct eth_driver *eth_drv,
struct rte_eth_dev *eth_dev);
static int ixgbevf_dev_configure(struct rte_eth_dev *dev, uint16_t nb_rx_q,
uint16_t nb_tx_q);
static int ixgbevf_dev_start(struct rte_eth_dev *dev);
static void ixgbevf_dev_stop(struct rte_eth_dev *dev);
static void ixgbevf_intr_disable(struct ixgbe_hw *hw);
static void ixgbevf_dev_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats);
static void ixgbevf_dev_stats_reset(struct rte_eth_dev *dev);
/*
* * Define VF Stats MACRO for Non "cleared on read" register
* */
#define UPDATE_VF_STAT(reg, last, cur) \
{ \
u32 latest = IXGBE_READ_REG(hw, reg); \
cur += latest - last; \
last = latest; \
}
#define UPDATE_VF_STAT_36BIT(lsb, msb, last, cur) \
{ \
u64 new_lsb = IXGBE_READ_REG(hw, lsb); \
u64 new_msb = IXGBE_READ_REG(hw, msb); \
u64 latest = ((new_msb << 32) | new_lsb); \
cur += (0x1000000000LL + latest - last) & 0xFFFFFFFFFLL; \
last = latest; \
}
/*
* The set of PCI devices this driver supports
*/
static struct rte_pci_id pci_id_ixgbe_map[] = {
#undef RTE_LIBRTE_IGB_PMD
#define RTE_PCI_DEV_ID_DECL(vend, dev) {RTE_PCI_DEVICE(vend, dev)},
#include "rte_pci_dev_ids.h"
{ .vendor_id = 0, /* sentinel */ },
};
/*
* The set of PCI devices this driver supports (for 82599 VF)
*/
static struct rte_pci_id pci_id_ixgbevf_map[] = {
{
.vendor_id = PCI_VENDOR_ID_INTEL,
.device_id = IXGBE_DEV_ID_82599_VF,
.subsystem_vendor_id = PCI_ANY_ID,
.subsystem_device_id = PCI_ANY_ID,
},
{ .vendor_id = 0, /* sentinel */ },
};
static struct eth_dev_ops ixgbe_eth_dev_ops = {
.dev_configure = ixgbe_dev_configure,
.dev_start = ixgbe_dev_start,
.dev_stop = ixgbe_dev_stop,
.dev_close = ixgbe_dev_close,
.promiscuous_enable = ixgbe_dev_promiscuous_enable,
.promiscuous_disable = ixgbe_dev_promiscuous_disable,
.allmulticast_enable = ixgbe_dev_allmulticast_enable,
.allmulticast_disable = ixgbe_dev_allmulticast_disable,
.link_update = ixgbe_dev_link_update,
.stats_get = ixgbe_dev_stats_get,
.stats_reset = ixgbe_dev_stats_reset,
.dev_infos_get = ixgbe_dev_info_get,
.vlan_filter_set = ixgbe_vlan_filter_set,
.rx_queue_setup = ixgbe_dev_rx_queue_setup,
.tx_queue_setup = ixgbe_dev_tx_queue_setup,
.dev_led_on = ixgbe_dev_led_on,
.dev_led_off = ixgbe_dev_led_off,
.flow_ctrl_set = ixgbe_flow_ctrl_set,
.mac_addr_add = ixgbe_add_rar,
.mac_addr_remove = ixgbe_remove_rar,
.fdir_add_signature_filter = ixgbe_fdir_add_signature_filter,
.fdir_update_signature_filter = ixgbe_fdir_update_signature_filter,
.fdir_remove_signature_filter = ixgbe_fdir_remove_signature_filter,
.fdir_infos_get = ixgbe_fdir_info_get,
.fdir_add_perfect_filter = ixgbe_fdir_add_perfect_filter,
.fdir_update_perfect_filter = ixgbe_fdir_update_perfect_filter,
.fdir_remove_perfect_filter = ixgbe_fdir_remove_perfect_filter,
.fdir_set_masks = ixgbe_fdir_set_masks,
};
/*
* dev_ops for virtual function, bare necessities for basic vf
* operation have been implemented
*/
static struct eth_dev_ops ixgbevf_eth_dev_ops = {
.dev_configure = ixgbevf_dev_configure,
.dev_start = ixgbevf_dev_start,
.dev_stop = ixgbevf_dev_stop,
.link_update = ixgbe_dev_link_update,
.stats_get = ixgbevf_dev_stats_get,
.stats_reset = ixgbevf_dev_stats_reset,
.dev_close = ixgbevf_dev_stop,
.dev_infos_get = ixgbe_dev_info_get,
.rx_queue_setup = ixgbe_dev_rx_queue_setup,
.tx_queue_setup = ixgbe_dev_tx_queue_setup,
};
/**
* Atomically reads the link status information from global
* structure rte_eth_dev.
*
* @param dev
* - Pointer to the structure rte_eth_dev to read from.
* - Pointer to the buffer to be saved with the link status.
*
* @return
* - On success, zero.
* - On failure, negative value.
*/
static inline int
rte_ixgbe_dev_atomic_read_link_status(struct rte_eth_dev *dev,
struct rte_eth_link *link)
{
struct rte_eth_link *dst = link;
struct rte_eth_link *src = &(dev->data->dev_link);
if (rte_atomic64_cmpset((uint64_t *)dst, *(uint64_t *)dst,
*(uint64_t *)src) == 0)
return -1;
return 0;
}
/**
* Atomically writes the link status information into global
* structure rte_eth_dev.
*
* @param dev
* - Pointer to the structure rte_eth_dev to read from.
* - Pointer to the buffer to be saved with the link status.
*
* @return
* - On success, zero.
* - On failure, negative value.
*/
static inline int
rte_ixgbe_dev_atomic_write_link_status(struct rte_eth_dev *dev,
struct rte_eth_link *link)
{
struct rte_eth_link *dst = &(dev->data->dev_link);
struct rte_eth_link *src = link;
if (rte_atomic64_cmpset((uint64_t *)dst, *(uint64_t *)dst,
*(uint64_t *)src) == 0)
return -1;
return 0;
}
/*
* This function is the same as ixgbe_is_sfp() in ixgbe/ixgbe.h.
*/
static inline int
ixgbe_is_sfp(struct ixgbe_hw *hw)
{
switch (hw->phy.type) {
case ixgbe_phy_sfp_avago:
case ixgbe_phy_sfp_ftl:
case ixgbe_phy_sfp_intel:
case ixgbe_phy_sfp_unknown:
case ixgbe_phy_sfp_passive_tyco:
case ixgbe_phy_sfp_passive_unknown:
return 1;
default:
return 0;
}
}
/*
* This function is based on ixgbe_disable_intr() in ixgbe/ixgbe.h.
*/
static void
ixgbe_disable_intr(struct ixgbe_hw *hw)
{
PMD_INIT_FUNC_TRACE();
if (hw->mac.type == ixgbe_mac_82598EB) {
IXGBE_WRITE_REG(hw, IXGBE_EIMC, ~0);
} else {
IXGBE_WRITE_REG(hw, IXGBE_EIMC, 0xFFFF0000);
IXGBE_WRITE_REG(hw, IXGBE_EIMC_EX(0), ~0);
IXGBE_WRITE_REG(hw, IXGBE_EIMC_EX(1), ~0);
}
IXGBE_WRITE_FLUSH(hw);
}
/*
* This function resets queue statistics mapping registers.
* From Niantic datasheet, Initialization of Statistics section:
* "...if software requires the queue counters, the RQSMR and TQSM registers
* must be re-programmed following a device reset.
*/
static void
ixgbe_reset_qstat_mappings(struct ixgbe_hw *hw)
{
uint32_t i;
for(i = 0; i != 16; i++) {
IXGBE_WRITE_REG(hw, IXGBE_RQSMR(i), 0);
IXGBE_WRITE_REG(hw, IXGBE_TQSM(i), 0);
}
}
/*
* This function is based on code in ixgbe_attach() in ixgbe/ixgbe.c.
* It returns 0 on success.
*/
static int
eth_ixgbe_dev_init(__attribute__((unused)) struct eth_driver *eth_drv,
struct rte_eth_dev *eth_dev)
{
struct rte_pci_device *pci_dev;
struct ixgbe_hw *hw =
IXGBE_DEV_PRIVATE_TO_HW(eth_dev->data->dev_private);
struct ixgbe_vfta * shadow_vfta =
IXGBE_DEV_PRIVATE_TO_VFTA(eth_dev->data->dev_private);
uint32_t ctrl_ext;
uint16_t csum;
int diag, i;
PMD_INIT_FUNC_TRACE();
eth_dev->dev_ops = &ixgbe_eth_dev_ops;
eth_dev->rx_pkt_burst = &ixgbe_recv_pkts;
eth_dev->tx_pkt_burst = &ixgbe_xmit_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 function */
if (rte_eal_process_type() != RTE_PROC_PRIMARY){
if (eth_dev->data->scattered_rx)
eth_dev->rx_pkt_burst = ixgbe_recv_scattered_pkts;
return 0;
}
pci_dev = 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->hw_addr = (void *)pci_dev->mem_resource.addr;
/* Initialize the shared code */
diag = ixgbe_init_shared_code(hw);
if (diag != IXGBE_SUCCESS) {
PMD_INIT_LOG(ERR, "Shared code init failed: %d", diag);
return -EIO;
}
/* Get Hardware Flow Control setting */
hw->fc.requested_mode = ixgbe_fc_full;
hw->fc.current_mode = ixgbe_fc_full;
hw->fc.pause_time = IXGBE_FC_PAUSE;
hw->fc.low_water = IXGBE_FC_LO;
for (i = 0; i < MAX_TRAFFIC_CLASS; i++)
hw->fc.high_water[i] = IXGBE_FC_HI;
hw->fc.send_xon = 1;
ixgbe_disable_intr(hw);
/* Make sure we have a good EEPROM before we read from it */
diag = ixgbe_validate_eeprom_checksum(hw, &csum);
if (diag != IXGBE_SUCCESS) {
PMD_INIT_LOG(ERR, "The EEPROM checksum is not valid: %d", diag);
return -EIO;
}
diag = ixgbe_init_hw(hw);
/*
* Devices with copper phys will fail to initialise if ixgbe_init_hw()
* is called too soon after the kernel driver unbinding/binding occurs.
* The failure occurs in ixgbe_identify_phy_generic() for all devices,
* but for non-copper devies, ixgbe_identify_sfp_module_generic() is
* also called. See ixgbe_identify_phy_82599(). The reason for the
* failure is not known, and only occuts when virtualisation features
* are disabled in the bios. A delay of 100ms was found to be enough by
* trial-and-error, and is doubled to be safe.
*/
if (diag && (hw->mac.ops.get_media_type(hw) == ixgbe_media_type_copper)) {
rte_delay_ms(200);
diag = ixgbe_init_hw(hw);
}
if (diag == IXGBE_ERR_EEPROM_VERSION) {
PMD_INIT_LOG(ERR, "This device is a pre-production adapter/"
"LOM. Please be aware there may be issues associated "
"with your hardware.\n If you are experiencing problems "
"please contact your Intel or hardware representative "
"who provided you with this hardware.\n");
} else if (diag == IXGBE_ERR_SFP_NOT_SUPPORTED)
PMD_INIT_LOG(ERR, "Unsupported SFP+ Module\n");
if (diag) {
PMD_INIT_LOG(ERR, "Hardware Initialization Failure: %d", diag);
return -EIO;
}
/* pick up the PCI bus settings for reporting later */
ixgbe_get_bus_info(hw);
/* reset mappings for queue statistics hw counters*/
ixgbe_reset_qstat_mappings(hw);
/* Allocate memory for storing MAC addresses */
eth_dev->data->mac_addrs = rte_zmalloc("ixgbe", ETHER_ADDR_LEN *
hw->mac.num_rar_entries, 0);
if (eth_dev->data->mac_addrs == NULL) {
PMD_INIT_LOG(ERR,
"Failed to allocate %d bytes needed to store MAC addresses",
ETHER_ADDR_LEN * hw->mac.num_rar_entries);
return -ENOMEM;
}
/* Copy the permanent MAC address */
ether_addr_copy((struct ether_addr *) hw->mac.perm_addr,
ð_dev->data->mac_addrs[0]);
/* initialize the vfta */
memset(shadow_vfta, 0, sizeof(*shadow_vfta));
/* let hardware know driver is loaded */
ctrl_ext = IXGBE_READ_REG(hw, IXGBE_CTRL_EXT);
ctrl_ext |= IXGBE_CTRL_EXT_DRV_LOAD;
IXGBE_WRITE_REG(hw, IXGBE_CTRL_EXT, ctrl_ext);
if (ixgbe_is_sfp(hw) && hw->phy.sfp_type != ixgbe_sfp_type_not_present)
PMD_INIT_LOG(DEBUG,
"MAC: %d, PHY: %d, SFP+: %d<n",
(int) hw->mac.type, (int) hw->phy.type,
(int) hw->phy.sfp_type);
else
PMD_INIT_LOG(DEBUG, "MAC: %d, PHY: %d\n",
(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(&(pci_dev->intr_handle),
ixgbe_dev_interrupt_handler, (void *)eth_dev);
return 0;
}
/*
* Virtual Function device init
*/
static int
eth_ixgbevf_dev_init(__attribute__((unused)) struct eth_driver *eth_drv,
struct rte_eth_dev *eth_dev)
{
struct rte_pci_device *pci_dev;
struct ixgbe_hw *hw = IXGBE_DEV_PRIVATE_TO_HW(eth_dev->data->dev_private);
int diag;
PMD_INIT_LOG(DEBUG, "eth_ixgbevf_dev_init");
eth_dev->dev_ops = &ixgbevf_eth_dev_ops;
pci_dev = eth_dev->pci_dev;
hw->device_id = pci_dev->id.device_id;
hw->vendor_id = pci_dev->id.vendor_id;
hw->hw_addr = (void *)pci_dev->mem_resource.addr;
/* Initialize the shared code */
diag = ixgbe_init_shared_code(hw);
if (diag != IXGBE_SUCCESS) {
PMD_INIT_LOG(ERR, "Shared code init failed for ixgbevf: %d", diag);
return -EIO;
}
/* init_mailbox_params */
hw->mbx.ops.init_params(hw);
/* Disable the interrupts for VF */
ixgbevf_intr_disable(hw);
hw->mac.num_rar_entries = hw->mac.max_rx_queues;
diag = hw->mac.ops.reset_hw(hw);
if (diag != IXGBE_SUCCESS) {
PMD_INIT_LOG(ERR, "VF Initialization Failure: %d", diag);
return (diag);
}
/* Allocate memory for storing MAC addresses */
eth_dev->data->mac_addrs = rte_zmalloc("ixgbevf", ETHER_ADDR_LEN *
hw->mac.num_rar_entries, 0);
if (eth_dev->data->mac_addrs == NULL) {
PMD_INIT_LOG(ERR,
"Failed to allocate %d bytes needed to store MAC addresses",
ETHER_ADDR_LEN * hw->mac.num_rar_entries);
return -ENOMEM;
}
/* Copy the permanent MAC address */
ether_addr_copy((struct ether_addr *) hw->mac.perm_addr,
ð_dev->data->mac_addrs[0]);
/* reset the hardware with the new settings */
diag = hw->mac.ops.start_hw(hw);
switch (diag) {
case 0:
break;
default:
PMD_INIT_LOG(ERR, "VF Initialization Failure: %d", diag);
return (diag);
}
PMD_INIT_LOG(DEBUG, "\nport %d vendorID=0x%x deviceID=0x%x mac.type=%s\n",
eth_dev->data->port_id, pci_dev->id.vendor_id, pci_dev->id.device_id,
"ixgbe_mac_82599_vf");
return 0;
}
static struct eth_driver rte_ixgbe_pmd = {
{
.name = "rte_ixgbe_pmd",
.id_table = pci_id_ixgbe_map,
.drv_flags = RTE_PCI_DRV_NEED_IGB_UIO,
},
.eth_dev_init = eth_ixgbe_dev_init,
.dev_private_size = sizeof(struct ixgbe_adapter),
};
/*
* virtual function driver struct
*/
static struct eth_driver rte_ixgbevf_pmd = {
{
.name = "rte_ixgbevf_pmd",
.id_table = pci_id_ixgbevf_map,
.drv_flags = RTE_PCI_DRV_NEED_IGB_UIO,
},
.eth_dev_init = eth_ixgbevf_dev_init,
.dev_private_size = sizeof(struct ixgbe_adapter),
};
/*
* Driver initialization routine.
* Invoked once at EAL init time.
* Register itself as the [Poll Mode] Driver of PCI IXGBE devices.
*/
int
rte_ixgbe_pmd_init(void)
{
PMD_INIT_FUNC_TRACE();
rte_eth_driver_register(&rte_ixgbe_pmd);
return 0;
}
/*
* VF Driver initialization routine.
* Invoked one at EAL init time.
* Register itself as the [Virtual Poll Mode] Driver of PCI niantic devices.
*/
int
rte_ixgbevf_pmd_init(void)
{
DEBUGFUNC("rte_ixgbevf_pmd_init");
rte_eth_driver_register(&rte_ixgbevf_pmd);
return (0);
}
static void
ixgbe_vlan_filter_set(struct rte_eth_dev *dev, uint16_t vlan_id, int on)
{
struct ixgbe_hw *hw =
IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
struct ixgbe_vfta * shadow_vfta =
IXGBE_DEV_PRIVATE_TO_VFTA(dev->data->dev_private);
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 = IXGBE_READ_REG(hw, IXGBE_VFTA(vid_idx));
if (on)
vfta |= vid_bit;
else
vfta &= ~vid_bit;
IXGBE_WRITE_REG(hw, IXGBE_VFTA(vid_idx), vfta);
/* update local VFTA copy */
shadow_vfta->vfta[vid_idx] = vfta;
}
static void
ixgbe_vlan_hw_support_disable(struct rte_eth_dev *dev)
{
struct ixgbe_hw *hw =
IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
uint32_t vlnctrl;
uint32_t rxdctl;
uint16_t i;
PMD_INIT_FUNC_TRACE();
/* Filter Table Disable */
vlnctrl = IXGBE_READ_REG(hw, IXGBE_VLNCTRL);
vlnctrl &= ~IXGBE_VLNCTRL_VFE;
if (hw->mac.type == ixgbe_mac_82598EB)
vlnctrl &= ~IXGBE_VLNCTRL_VME;
else {
/* On 82599 the VLAN enable is per/queue in RXDCTL */
for (i = 0; i < dev->data->nb_rx_queues; i++) {
rxdctl = IXGBE_READ_REG(hw, IXGBE_RXDCTL(i));
rxdctl &= ~IXGBE_RXDCTL_VME;
IXGBE_WRITE_REG(hw, IXGBE_RXDCTL(i), rxdctl);
}
}
IXGBE_WRITE_REG(hw, IXGBE_VLNCTRL, vlnctrl);
}
static void
ixgbe_vlan_hw_support_enable(struct rte_eth_dev *dev)
{
struct ixgbe_hw *hw =
IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
struct ixgbe_vfta * shadow_vfta =
IXGBE_DEV_PRIVATE_TO_VFTA(dev->data->dev_private);
uint32_t vlnctrl;
uint32_t rxdctl;
uint16_t i;
PMD_INIT_FUNC_TRACE();
/* Filter Table Enable */
vlnctrl = IXGBE_READ_REG(hw, IXGBE_VLNCTRL);
vlnctrl &= ~IXGBE_VLNCTRL_CFIEN;
vlnctrl |= IXGBE_VLNCTRL_VFE;
if (hw->mac.type == ixgbe_mac_82598EB)
vlnctrl |= IXGBE_VLNCTRL_VME;
else {
/* On 82599 the VLAN enable is per/queue in RXDCTL */
for (i = 0; i < dev->data->nb_rx_queues; i++) {
rxdctl = IXGBE_READ_REG(hw, IXGBE_RXDCTL(i));
rxdctl |= IXGBE_RXDCTL_VME;
IXGBE_WRITE_REG(hw, IXGBE_RXDCTL(i), rxdctl);
}
}
IXGBE_WRITE_REG(hw, IXGBE_VLNCTRL, vlnctrl);
/* write whatever is in local vfta copy */
for (i = 0; i < IXGBE_VFTA_SIZE; i++)
IXGBE_WRITE_REG(hw, IXGBE_VFTA(i), shadow_vfta->vfta[i]);
}
static int
ixgbe_dev_configure(struct rte_eth_dev *dev, uint16_t nb_rx_q, uint16_t nb_tx_q)
{
struct ixgbe_interrupt *intr =
IXGBE_DEV_PRIVATE_TO_INTR(dev->data->dev_private);
int diag;
PMD_INIT_FUNC_TRACE();
/* Allocate the array of pointers to RX queue structures */
diag = ixgbe_dev_rx_queue_alloc(dev, nb_rx_q);
if (diag != 0) {
PMD_INIT_LOG(ERR, "ethdev port_id=%d allocation of array of %d"
"pointers to RX queues failed", dev->data->port_id,
nb_rx_q);
return diag;
}
/* Allocate the array of pointers to TX queue structures */
diag = ixgbe_dev_tx_queue_alloc(dev, nb_tx_q);
if (diag != 0) {
PMD_INIT_LOG(ERR, "ethdev port_id=%d allocation of array of %d"
"pointers to TX queues failed", dev->data->port_id,
nb_tx_q);
return diag;
}
/* set flag to update link status after init */
intr->flags |= IXGBE_FLAG_NEED_LINK_UPDATE;
return 0;
}
/*
* Configure device link speed and setup link.
* It returns 0 on success.
*/
static int
ixgbe_dev_start(struct rte_eth_dev *dev)
{
struct ixgbe_hw *hw =
IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
int err, link_up = 0, negotiate = 0;
uint32_t speed = 0;
PMD_INIT_FUNC_TRACE();
/* IXGBE devices don't support half duplex */
if ((dev->data->dev_conf.link_duplex != ETH_LINK_AUTONEG_DUPLEX) &&
(dev->data->dev_conf.link_duplex != ETH_LINK_FULL_DUPLEX)) {
PMD_INIT_LOG(ERR, "Invalid link_duplex (%u) for port %u\n",
dev->data->dev_conf.link_duplex,
dev->data->port_id);
return -EINVAL;
}
/* stop adapter */
hw->adapter_stopped = FALSE;
ixgbe_stop_adapter(hw);
/* reinitialize adapter
* this calls reset and start */
ixgbe_init_hw(hw);
/* initialize transmission unit */
ixgbe_dev_tx_init(dev);
/* This can fail when allocating mbufs for descriptor rings */
err = ixgbe_dev_rx_init(dev);
if (err) {
PMD_INIT_LOG(ERR, "Unable to initialize RX hardware\n");
return err;
}
ixgbe_dev_rxtx_start(dev);
if (ixgbe_is_sfp(hw) && hw->phy.multispeed_fiber) {
err = hw->mac.ops.setup_sfp(hw);
if (err)
goto error;
}
/* Turn on the laser */
if (hw->phy.multispeed_fiber)
ixgbe_enable_tx_laser(hw);
err = ixgbe_check_link(hw, &speed, &link_up, 0);
if (err)
goto error;
err = ixgbe_get_link_capabilities(hw, &speed, &negotiate);
if (err)
goto error;
switch(dev->data->dev_conf.link_speed) {
case ETH_LINK_SPEED_AUTONEG:
speed = (hw->mac.type != ixgbe_mac_82598EB) ?
IXGBE_LINK_SPEED_82599_AUTONEG :
IXGBE_LINK_SPEED_82598_AUTONEG;
break;
case ETH_LINK_SPEED_100:
/*
* Invalid for 82598 but error will be detected by
* ixgbe_setup_link()
*/
speed = IXGBE_LINK_SPEED_100_FULL;
break;
case ETH_LINK_SPEED_1000:
speed = IXGBE_LINK_SPEED_1GB_FULL;
break;
case ETH_LINK_SPEED_10000:
speed = IXGBE_LINK_SPEED_10GB_FULL;
break;
default:
PMD_INIT_LOG(ERR, "Invalid link_speed (%u) for port %u\n",
dev->data->dev_conf.link_speed, dev->data->port_id);
return -EINVAL;
}
err = ixgbe_setup_link(hw, speed, negotiate, link_up);
if (err)
goto error;
/* check if lsc interrupt is enabled */
if (dev->data->dev_conf.intr_conf.lsc != 0) {
err = ixgbe_dev_interrupt_setup(dev);
if (err)
goto error;
}
/*
* If VLAN filtering is enabled, set up VLAN tag offload and filtering
* and restore VFTA.
*/
if (dev->data->dev_conf.rxmode.hw_vlan_filter)
ixgbe_vlan_hw_support_enable(dev);
else
ixgbe_vlan_hw_support_disable(dev);
if (dev->data->dev_conf.fdir_conf.mode != RTE_FDIR_MODE_NONE) {
err = ixgbe_fdir_configure(dev);
if (err)
goto error;
}
return (0);
error:
PMD_INIT_LOG(ERR, "failure in ixgbe_dev_start(): %d", err);
return -EIO;
}
/*
* Stop device: disable rx and tx functions to allow for reconfiguring.
*/
static void
ixgbe_dev_stop(struct rte_eth_dev *dev)
{
struct rte_eth_link link;
struct ixgbe_hw *hw =
IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
PMD_INIT_FUNC_TRACE();
/* disable interrupts */
ixgbe_disable_intr(hw);
/* reset the NIC */
ixgbe_reset_hw(hw);
hw->adapter_stopped = FALSE;
/* stop adapter */
ixgbe_stop_adapter(hw);
/* Turn off the laser */
if (hw->phy.multispeed_fiber)
ixgbe_disable_tx_laser(hw);
ixgbe_dev_clear_queues(dev);
/* Clear recorded link status */
memset(&link, 0, sizeof(link));
rte_ixgbe_dev_atomic_write_link_status(dev, &link);
}
/*
* Reest and stop device.
*/
static void
ixgbe_dev_close(struct rte_eth_dev *dev)
{
struct ixgbe_hw *hw =
IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
PMD_INIT_FUNC_TRACE();
ixgbe_reset_hw(hw);
ixgbe_dev_stop(dev);
hw->adapter_stopped = 1;
ixgbe_disable_pcie_master(hw);
/* reprogram the RAR[0] in case user changed it. */
ixgbe_set_rar(hw, 0, hw->mac.addr, 0, IXGBE_RAH_AV);
}
/*
* This function is based on ixgbe_update_stats_counters() in ixgbe/ixgbe.c
*/
static void
ixgbe_dev_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats)
{
struct ixgbe_hw *hw =
IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
struct ixgbe_hw_stats *hw_stats =
IXGBE_DEV_PRIVATE_TO_STATS(dev->data->dev_private);
uint32_t bprc, lxon, lxoff, total;
uint64_t total_missed_rx, total_qbrc, total_qprc;
unsigned i;
total_missed_rx = 0;
total_qbrc = 0;
total_qprc = 0;
hw_stats->crcerrs += IXGBE_READ_REG(hw, IXGBE_CRCERRS);
hw_stats->illerrc += IXGBE_READ_REG(hw, IXGBE_ILLERRC);
hw_stats->errbc += IXGBE_READ_REG(hw, IXGBE_ERRBC);
hw_stats->mspdc += IXGBE_READ_REG(hw, IXGBE_MSPDC);
for (i = 0; i < 8; i++) {
uint32_t mp;
mp = IXGBE_READ_REG(hw, IXGBE_MPC(i));
/* global total per queue */
hw_stats->mpc[i] += mp;
/* Running comprehensive total for stats display */
total_missed_rx += hw_stats->mpc[i];
if (hw->mac.type == ixgbe_mac_82598EB)
hw_stats->rnbc[i] +=
IXGBE_READ_REG(hw, IXGBE_RNBC(i));
hw_stats->pxontxc[i] +=
IXGBE_READ_REG(hw, IXGBE_PXONTXC(i));
hw_stats->pxonrxc[i] +=
IXGBE_READ_REG(hw, IXGBE_PXONRXC(i));
hw_stats->pxofftxc[i] +=
IXGBE_READ_REG(hw, IXGBE_PXOFFTXC(i));
hw_stats->pxoffrxc[i] +=
IXGBE_READ_REG(hw, IXGBE_PXOFFRXC(i));
hw_stats->pxon2offc[i] +=
IXGBE_READ_REG(hw, IXGBE_PXON2OFFCNT(i));
}
for (i = 0; i < 16; i++) {
hw_stats->qprc[i] += IXGBE_READ_REG(hw, IXGBE_QPRC(i));
hw_stats->qptc[i] += IXGBE_READ_REG(hw, IXGBE_QPTC(i));
hw_stats->qbrc[i] += IXGBE_READ_REG(hw, IXGBE_QBRC_L(i));
hw_stats->qbrc[i] +=
((uint64_t)IXGBE_READ_REG(hw, IXGBE_QBRC_H(i)) << 32);
hw_stats->qbtc[i] += IXGBE_READ_REG(hw, IXGBE_QBTC_L(i));
hw_stats->qbtc[i] +=
((uint64_t)IXGBE_READ_REG(hw, IXGBE_QBTC_H(i)) << 32);
hw_stats->qprdc[i] += IXGBE_READ_REG(hw, IXGBE_QPRDC(i));
total_qprc += hw_stats->qprc[i];
total_qbrc += hw_stats->qbrc[i];
}
hw_stats->mlfc += IXGBE_READ_REG(hw, IXGBE_MLFC);
hw_stats->mrfc += IXGBE_READ_REG(hw, IXGBE_MRFC);
hw_stats->rlec += IXGBE_READ_REG(hw, IXGBE_RLEC);
/* Note that gprc counts missed packets */
hw_stats->gprc += IXGBE_READ_REG(hw, IXGBE_GPRC);
if (hw->mac.type != ixgbe_mac_82598EB) {
hw_stats->gorc += IXGBE_READ_REG(hw, IXGBE_GORCL) +
((u64)IXGBE_READ_REG(hw, IXGBE_GORCH) << 32);
hw_stats->gotc += IXGBE_READ_REG(hw, IXGBE_GOTCL) +
((u64)IXGBE_READ_REG(hw, IXGBE_GOTCH) << 32);
hw_stats->tor += IXGBE_READ_REG(hw, IXGBE_TORL) +
((u64)IXGBE_READ_REG(hw, IXGBE_TORH) << 32);
hw_stats->lxonrxc += IXGBE_READ_REG(hw, IXGBE_LXONRXCNT);
hw_stats->lxoffrxc += IXGBE_READ_REG(hw, IXGBE_LXOFFRXCNT);
} else {
hw_stats->lxonrxc += IXGBE_READ_REG(hw, IXGBE_LXONRXC);
hw_stats->lxoffrxc += IXGBE_READ_REG(hw, IXGBE_LXOFFRXC);
/* 82598 only has a counter in the high register */
hw_stats->gorc += IXGBE_READ_REG(hw, IXGBE_GORCH);
hw_stats->gotc += IXGBE_READ_REG(hw, IXGBE_GOTCH);
hw_stats->tor += IXGBE_READ_REG(hw, IXGBE_TORH);
}
/*
* Workaround: mprc hardware is incorrectly counting
* broadcasts, so for now we subtract those.
*/
bprc = IXGBE_READ_REG(hw, IXGBE_BPRC);
hw_stats->bprc += bprc;
hw_stats->mprc += IXGBE_READ_REG(hw, IXGBE_MPRC);
if (hw->mac.type == ixgbe_mac_82598EB)
hw_stats->mprc -= bprc;
hw_stats->prc64 += IXGBE_READ_REG(hw, IXGBE_PRC64);
hw_stats->prc127 += IXGBE_READ_REG(hw, IXGBE_PRC127);
hw_stats->prc255 += IXGBE_READ_REG(hw, IXGBE_PRC255);
hw_stats->prc511 += IXGBE_READ_REG(hw, IXGBE_PRC511);
hw_stats->prc1023 += IXGBE_READ_REG(hw, IXGBE_PRC1023);
hw_stats->prc1522 += IXGBE_READ_REG(hw, IXGBE_PRC1522);
lxon = IXGBE_READ_REG(hw, IXGBE_LXONTXC);
hw_stats->lxontxc += lxon;
lxoff = IXGBE_READ_REG(hw, IXGBE_LXOFFTXC);
hw_stats->lxofftxc += lxoff;
total = lxon + lxoff;
hw_stats->gptc += IXGBE_READ_REG(hw, IXGBE_GPTC);
hw_stats->mptc += IXGBE_READ_REG(hw, IXGBE_MPTC);
hw_stats->ptc64 += IXGBE_READ_REG(hw, IXGBE_PTC64);
hw_stats->gptc -= total;
hw_stats->mptc -= total;
hw_stats->ptc64 -= total;
hw_stats->gotc -= total * ETHER_MIN_LEN;
hw_stats->ruc += IXGBE_READ_REG(hw, IXGBE_RUC);
hw_stats->rfc += IXGBE_READ_REG(hw, IXGBE_RFC);
hw_stats->roc += IXGBE_READ_REG(hw, IXGBE_ROC);
hw_stats->rjc += IXGBE_READ_REG(hw, IXGBE_RJC);
hw_stats->mngprc += IXGBE_READ_REG(hw, IXGBE_MNGPRC);
hw_stats->mngpdc += IXGBE_READ_REG(hw, IXGBE_MNGPDC);
hw_stats->mngptc += IXGBE_READ_REG(hw, IXGBE_MNGPTC);
hw_stats->tpr += IXGBE_READ_REG(hw, IXGBE_TPR);
hw_stats->tpt += IXGBE_READ_REG(hw, IXGBE_TPT);
hw_stats->ptc127 += IXGBE_READ_REG(hw, IXGBE_PTC127);
hw_stats->ptc255 += IXGBE_READ_REG(hw, IXGBE_PTC255);
hw_stats->ptc511 += IXGBE_READ_REG(hw, IXGBE_PTC511);
hw_stats->ptc1023 += IXGBE_READ_REG(hw, IXGBE_PTC1023);
hw_stats->ptc1522 += IXGBE_READ_REG(hw, IXGBE_PTC1522);
hw_stats->bptc += IXGBE_READ_REG(hw, IXGBE_BPTC);
hw_stats->xec += IXGBE_READ_REG(hw, IXGBE_XEC);
hw_stats->fccrc += IXGBE_READ_REG(hw, IXGBE_FCCRC);
hw_stats->fclast += IXGBE_READ_REG(hw, IXGBE_FCLAST);
/* Only read FCOE on 82599 */
if (hw->mac.type != ixgbe_mac_82598EB) {
hw_stats->fcoerpdc += IXGBE_READ_REG(hw, IXGBE_FCOERPDC);
hw_stats->fcoeprc += IXGBE_READ_REG(hw, IXGBE_FCOEPRC);
hw_stats->fcoeptc += IXGBE_READ_REG(hw, IXGBE_FCOEPTC);
hw_stats->fcoedwrc += IXGBE_READ_REG(hw, IXGBE_FCOEDWRC);
hw_stats->fcoedwtc += IXGBE_READ_REG(hw, IXGBE_FCOEDWTC);
}
if (stats == NULL)
return;
/* Fill out the rte_eth_stats statistics structure */
stats->ipackets = total_qprc;
stats->ibytes = total_qbrc;
stats->opackets = hw_stats->gptc;
stats->obytes = hw_stats->gotc;
stats->imcasts = hw_stats->mprc;
/* Rx Errors */
stats->ierrors = total_missed_rx + hw_stats->crcerrs +
hw_stats->rlec;
stats->oerrors = 0;
/* Flow Director Stats registers */
hw_stats->fdirmatch += IXGBE_READ_REG(hw, IXGBE_FDIRMATCH);
hw_stats->fdirmiss += IXGBE_READ_REG(hw, IXGBE_FDIRMISS);
stats->fdirmatch = hw_stats->fdirmatch;
stats->fdirmiss = hw_stats->fdirmiss;
}
static void
ixgbe_dev_stats_reset(struct rte_eth_dev *dev)
{
struct ixgbe_hw_stats *stats =
IXGBE_DEV_PRIVATE_TO_STATS(dev->data->dev_private);
/* HW registers are cleared on read */
ixgbe_dev_stats_get(dev, NULL);
/* Reset software totals */
memset(stats, 0, sizeof(*stats));
}
static void
ixgbevf_dev_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats)
{
struct ixgbe_hw *hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
struct ixgbevf_hw_stats *hw_stats = (struct ixgbevf_hw_stats*)
IXGBE_DEV_PRIVATE_TO_STATS(dev->data->dev_private);
/* Good Rx packet, include VF loopback */
UPDATE_VF_STAT(IXGBE_VFGPRC,
hw_stats->last_vfgprc, hw_stats->vfgprc);
/* Good Rx octets, include VF loopback */
UPDATE_VF_STAT_36BIT(IXGBE_VFGORC_LSB, IXGBE_VFGORC_MSB,
hw_stats->last_vfgorc, hw_stats->vfgorc);
/* Good Tx packet, include VF loopback */
UPDATE_VF_STAT(IXGBE_VFGPTC,
hw_stats->last_vfgptc, hw_stats->vfgptc);
/* Good Tx octets, include VF loopback */
UPDATE_VF_STAT_36BIT(IXGBE_VFGOTC_LSB, IXGBE_VFGOTC_MSB,
hw_stats->last_vfgotc, hw_stats->vfgotc);
/* Rx Multicst Packet */
UPDATE_VF_STAT(IXGBE_VFMPRC,
hw_stats->last_vfmprc, hw_stats->vfmprc);
if (stats == NULL)
return;
memset(stats, 0, sizeof(*stats));
stats->ipackets = hw_stats->vfgprc;
stats->ibytes = hw_stats->vfgorc;
stats->opackets = hw_stats->vfgptc;
stats->obytes = hw_stats->vfgotc;
stats->imcasts = hw_stats->vfmprc;
}
static void
ixgbevf_dev_stats_reset(struct rte_eth_dev *dev)
{
struct ixgbevf_hw_stats *hw_stats = (struct ixgbevf_hw_stats*)
IXGBE_DEV_PRIVATE_TO_STATS(dev->data->dev_private);
/* Sync HW register to the last stats */
ixgbevf_dev_stats_get(dev, NULL);
/* reset HW current stats*/
hw_stats->vfgprc = 0;
hw_stats->vfgorc = 0;
hw_stats->vfgptc = 0;
hw_stats->vfgotc = 0;
hw_stats->vfmprc = 0;
}
static void
ixgbe_dev_info_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info)
{
struct ixgbe_hw *hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
dev_info->max_rx_queues = hw->mac.max_rx_queues;
dev_info->max_tx_queues = hw->mac.max_tx_queues;
dev_info->min_rx_bufsize = 1024; /* cf BSIZEPACKET in SRRCTL register */
dev_info->max_rx_pktlen = 15872; /* includes CRC, cf MAXFRS register */
dev_info->max_mac_addrs = hw->mac.num_rar_entries;
dev_info->rx_offload_capa =
DEV_RX_OFFLOAD_VLAN_STRIP |
DEV_RX_OFFLOAD_IPV4_CKSUM |
DEV_RX_OFFLOAD_UDP_CKSUM |
DEV_RX_OFFLOAD_TCP_CKSUM;
dev_info->tx_offload_capa =
DEV_TX_OFFLOAD_VLAN_INSERT |
DEV_TX_OFFLOAD_IPV4_CKSUM |
DEV_TX_OFFLOAD_UDP_CKSUM |
DEV_TX_OFFLOAD_TCP_CKSUM |
DEV_TX_OFFLOAD_SCTP_CKSUM;
}
/* return 0 means link status changed, -1 means not changed */
static int
ixgbe_dev_link_update(struct rte_eth_dev *dev, int wait_to_complete)
{
struct ixgbe_hw *hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
struct rte_eth_link link, old;
ixgbe_link_speed link_speed;
int link_up;
int diag;
link.link_status = 0;
link.link_speed = 0;
link.link_duplex = 0;
memset(&old, 0, sizeof(old));
rte_ixgbe_dev_atomic_read_link_status(dev, &old);
/* 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)
diag = ixgbe_check_link(hw, &link_speed, &link_up, 0);
else
diag = ixgbe_check_link(hw, &link_speed, &link_up, 1);
if (diag != 0) {
link.link_speed = ETH_LINK_SPEED_100;
link.link_duplex = ETH_LINK_HALF_DUPLEX;
rte_ixgbe_dev_atomic_write_link_status(dev, &link);
if (link.link_status == old.link_status)
return -1;
return 0;
}
if (link_up == 0) {
rte_ixgbe_dev_atomic_write_link_status(dev, &link);
if (link.link_status == old.link_status)
return -1;
return 0;
}
link.link_status = 1;
link.link_duplex = ETH_LINK_FULL_DUPLEX;
switch (link_speed) {
default:
case IXGBE_LINK_SPEED_UNKNOWN:
link.link_duplex = ETH_LINK_HALF_DUPLEX;
link.link_speed = ETH_LINK_SPEED_100;
break;
case IXGBE_LINK_SPEED_100_FULL:
link.link_speed = ETH_LINK_SPEED_100;
break;
case IXGBE_LINK_SPEED_1GB_FULL:
link.link_speed = ETH_LINK_SPEED_1000;
break;
case IXGBE_LINK_SPEED_10GB_FULL:
link.link_speed = ETH_LINK_SPEED_10000;
break;
}
rte_ixgbe_dev_atomic_write_link_status(dev, &link);
if (link.link_status == old.link_status)
return -1;
return 0;
}
static void
ixgbe_dev_promiscuous_enable(struct rte_eth_dev *dev)
{
struct ixgbe_hw *hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
uint32_t fctrl;
fctrl = IXGBE_READ_REG(hw, IXGBE_FCTRL);
fctrl |= (IXGBE_FCTRL_UPE | IXGBE_FCTRL_MPE);
IXGBE_WRITE_REG(hw, IXGBE_FCTRL, fctrl);
}
static void
ixgbe_dev_promiscuous_disable(struct rte_eth_dev *dev)
{
struct ixgbe_hw *hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
uint32_t fctrl;
fctrl = IXGBE_READ_REG(hw, IXGBE_FCTRL);
fctrl &= (~IXGBE_FCTRL_UPE);
if (dev->data->all_multicast == 1)
fctrl |= IXGBE_FCTRL_MPE;
else
fctrl &= (~IXGBE_FCTRL_MPE);
IXGBE_WRITE_REG(hw, IXGBE_FCTRL, fctrl);
}
static void
ixgbe_dev_allmulticast_enable(struct rte_eth_dev *dev)
{
struct ixgbe_hw *hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
uint32_t fctrl;
fctrl = IXGBE_READ_REG(hw, IXGBE_FCTRL);
fctrl |= IXGBE_FCTRL_MPE;
IXGBE_WRITE_REG(hw, IXGBE_FCTRL, fctrl);
}
static void
ixgbe_dev_allmulticast_disable(struct rte_eth_dev *dev)
{
struct ixgbe_hw *hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
uint32_t fctrl;
if (dev->data->promiscuous == 1)
return; /* must remain in all_multicast mode */
fctrl = IXGBE_READ_REG(hw, IXGBE_FCTRL);
fctrl &= (~IXGBE_FCTRL_MPE);
IXGBE_WRITE_REG(hw, IXGBE_FCTRL, fctrl);
}
/**
* 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
ixgbe_dev_interrupt_setup(struct rte_eth_dev *dev)
{
struct ixgbe_hw *hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
ixgbe_dev_link_status_print(dev);
IXGBE_WRITE_REG(hw, IXGBE_EIMS, IXGBE_EICR_LSC);
IXGBE_WRITE_FLUSH(hw);
rte_intr_enable(&(dev->pci_dev->intr_handle));
return 0;
}
/*
* It reads ICR and sets flag (IXGBE_EICR_LSC) for the link_update.
*
* @param dev
* Pointer to struct rte_eth_dev.
*
* @return
* - On success, zero.
* - On failure, a negative value.
*/
static int
ixgbe_dev_interrupt_get_status(struct rte_eth_dev *dev)
{
uint32_t eicr;
struct ixgbe_hw *hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
struct ixgbe_interrupt *intr =
IXGBE_DEV_PRIVATE_TO_INTR(dev->data->dev_private);
IXGBE_WRITE_REG(hw, IXGBE_EIMC, IXGBE_EICR_LSC);
IXGBE_WRITE_FLUSH(hw);
/* read-on-clear nic registers here */
eicr = IXGBE_READ_REG(hw, IXGBE_EICR);
PMD_INIT_LOG(INFO, "eicr %x", eicr);
if (eicr & IXGBE_EICR_LSC) {
/* set flag for async link update */
intr->flags |= IXGBE_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
ixgbe_dev_link_status_print(struct rte_eth_dev *dev)
{
struct rte_eth_link link;
memset(&link, 0, sizeof(link));
rte_ixgbe_dev_atomic_read_link_status(dev, &link);
if (link.link_status) {
PMD_INIT_LOG(INFO, "Port %d: Link Up - speed %u Mbps - %s",
(int)(dev->data->port_id),
(unsigned)link.link_speed,
link.link_duplex == 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(INFO, "PCI Address: %04d:%02d:%02d:%d",
dev->pci_dev->addr.domain,
dev->pci_dev->addr.bus,
dev->pci_dev->addr.devid,
dev->pci_dev->addr.function);
}
/*
* It executes link_update after knowing an interrupt occured.
*
* @param dev
* Pointer to struct rte_eth_dev.
*
* @return
* - On success, zero.
* - On failure, a negative value.
*/
static int
ixgbe_dev_interrupt_action(struct rte_eth_dev *dev)
{
struct ixgbe_interrupt *intr =
IXGBE_DEV_PRIVATE_TO_INTR(dev->data->dev_private);
if (!(intr->flags & IXGBE_FLAG_NEED_LINK_UPDATE)) {
return -1;
}
ixgbe_dev_link_update(dev, 0);
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 ixgbe after link is just down,
* it needs to wait 4 seconds to get the stable status.
*
* @param handle
* Pointer to interrupt handle.
* @param param
* The address of parameter (struct rte_eth_dev *) regsitered before.
*
* @return
* void
*/
static void
ixgbe_dev_interrupt_delayed_handler(void *param)
{
struct rte_eth_dev *dev = (struct rte_eth_dev *)param;
struct ixgbe_interrupt *intr =
IXGBE_DEV_PRIVATE_TO_INTR(dev->data->dev_private);
struct ixgbe_hw *hw =
IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
IXGBE_READ_REG(hw, IXGBE_EICR);
ixgbe_dev_interrupt_action(dev);
if (intr->flags & IXGBE_FLAG_NEED_LINK_UPDATE) {
intr->flags &= ~IXGBE_FLAG_NEED_LINK_UPDATE;
rte_intr_enable(&(dev->pci_dev->intr_handle));
IXGBE_WRITE_REG(hw, IXGBE_EIMS, IXGBE_EICR_LSC);
IXGBE_WRITE_FLUSH(hw);
ixgbe_dev_link_status_print(dev);
_rte_eth_dev_callback_process(dev, RTE_ETH_EVENT_INTR_LSC);
}
}
/**
* Interrupt handler triggered by NIC for handling
* specific interrupt.
*
* @param handle
* Pointer to interrupt handle.
* @param param
* The address of parameter (struct rte_eth_dev *) regsitered before.
*
* @return
* void
*/
static void
ixgbe_dev_interrupt_handler(struct rte_intr_handle *handle, void *param)
{
int64_t timeout;
struct rte_eth_link link;
struct rte_eth_dev *dev = (struct rte_eth_dev *)param;
struct ixgbe_interrupt *intr =
IXGBE_DEV_PRIVATE_TO_INTR(dev->data->dev_private);
/* get the link status before link update, for predicting later */
memset(&link, 0, sizeof(link));
rte_ixgbe_dev_atomic_read_link_status(dev, &link);
ixgbe_dev_interrupt_get_status(dev);
ixgbe_dev_interrupt_action(dev);
if (!(intr->flags & IXGBE_FLAG_NEED_LINK_UPDATE))
return;
/* likely to up */
if (!link.link_status)
/* handle it 1 sec later, wait it being stable */
timeout = IXGBE_LINK_UP_CHECK_TIMEOUT;
/* likely to down */
else
/* handle it 4 sec later, wait it being stable */
timeout = IXGBE_LINK_DOWN_CHECK_TIMEOUT;
ixgbe_dev_link_status_print(dev);
if (rte_eal_alarm_set(timeout * 1000,
ixgbe_dev_interrupt_delayed_handler, param) < 0)
PMD_INIT_LOG(ERR, "Error setting alarm");
}
static int
ixgbe_dev_led_on(struct rte_eth_dev *dev)
{
struct ixgbe_hw *hw;
hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
return (ixgbe_led_on(hw, 0) == IXGBE_SUCCESS ? 0 : -ENOTSUP);
}
static int
ixgbe_dev_led_off(struct rte_eth_dev *dev)
{
struct ixgbe_hw *hw;
hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
return (ixgbe_led_off(hw, 0) == IXGBE_SUCCESS ? 0 : -ENOTSUP);
}
static int
ixgbe_flow_ctrl_set(struct rte_eth_dev *dev, struct rte_eth_fc_conf *fc_conf)
{
struct ixgbe_hw *hw;
int err;
uint32_t rx_buf_size;
uint32_t max_high_water;
enum ixgbe_fc_mode rte_fcmode_2_ixgbe_fcmode[] = {
ixgbe_fc_none,
ixgbe_fc_rx_pause,
ixgbe_fc_tx_pause,
ixgbe_fc_full
};
PMD_INIT_FUNC_TRACE();
hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
rx_buf_size = IXGBE_READ_REG(hw, IXGBE_RXPBSIZE(0));
PMD_INIT_LOG(DEBUG, "Rx packet buffer size = 0x%x \n", rx_buf_size);
/*
* At least reserve one Ethernet frame for watermark
* high_water/low_water in kilo bytes for ixgbe
*/
max_high_water = (rx_buf_size - ETHER_MAX_LEN) >> IXGBE_RXPBSIZE_SHIFT;
if ((fc_conf->high_water > max_high_water) ||
(fc_conf->high_water < fc_conf->low_water)) {
PMD_INIT_LOG(ERR, "Invalid high/low water setup value in KB\n");
PMD_INIT_LOG(ERR, "High_water must <= 0x%x\n", max_high_water);
return (-EINVAL);
}
hw->fc.requested_mode = rte_fcmode_2_ixgbe_fcmode[fc_conf->mode];
hw->fc.pause_time = fc_conf->pause_time;
hw->fc.high_water[0] = fc_conf->high_water;
hw->fc.low_water = fc_conf->low_water;
hw->fc.send_xon = fc_conf->send_xon;
err = ixgbe_fc_enable(hw, 0);
/* Not negotiated is not an error case */
if ((err == IXGBE_SUCCESS) || (err == IXGBE_ERR_FC_NOT_NEGOTIATED)) {
return 0;
}
PMD_INIT_LOG(ERR, "ixgbe_fc_enable = 0x%x \n", err);
return -EIO;
}
static void
ixgbe_add_rar(struct rte_eth_dev *dev, struct ether_addr *mac_addr,
uint32_t index, uint32_t pool)
{
struct ixgbe_hw *hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
uint32_t enable_addr = 1;
ixgbe_set_rar(hw, index, mac_addr->addr_bytes, pool, enable_addr);
}
static void
ixgbe_remove_rar(struct rte_eth_dev *dev, uint32_t index)
{
struct ixgbe_hw *hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
ixgbe_clear_rar(hw, index);
}
/*
* Virtual Function operations
*/
static void
ixgbevf_intr_disable(struct ixgbe_hw *hw)
{
PMD_INIT_LOG(DEBUG, "ixgbevf_intr_disable");
/* Clear interrupt mask to stop from interrupts being generated */
IXGBE_WRITE_REG(hw, IXGBE_VTEIMC, IXGBE_VF_IRQ_CLEAR_MASK);
IXGBE_WRITE_FLUSH(hw);
}
static int
ixgbevf_dev_configure(struct rte_eth_dev *dev, uint16_t nb_rx_q, uint16_t nb_tx_q)
{
int diag;
struct rte_eth_conf* conf = &dev->data->dev_conf;
PMD_INIT_FUNC_TRACE();
/* Allocate the array of pointers to RX queue structures */
diag = ixgbe_dev_rx_queue_alloc(dev, nb_rx_q);
if (diag != 0) {
PMD_INIT_LOG(ERR, "ethdev port_id=%d allocation of array of %d"
"pointers to RX queues failed", dev->data->port_id,
nb_rx_q);
return diag;
}
/* Allocate the array of pointers to TX queue structures */
diag = ixgbe_dev_tx_queue_alloc(dev, nb_tx_q);
if (diag != 0) {
PMD_INIT_LOG(ERR, "ethdev port_id=%d allocation of array of %d"
"pointers to TX queues failed", dev->data->port_id,
nb_tx_q);
return diag;
}
if (!conf->rxmode.hw_strip_crc) {
/*
* VF has no ability to enable/disable HW CRC
* Keep the persistent behavior the same as Host PF
*/
PMD_INIT_LOG(INFO, "VF can't disable HW CRC Strip\n");
conf->rxmode.hw_strip_crc = 1;
}
return 0;
}
static int
ixgbevf_dev_start(struct rte_eth_dev *dev)
{
int err = 0;
PMD_INIT_LOG(DEBUG, "ixgbevf_dev_start");
ixgbevf_dev_tx_init(dev);
err = ixgbevf_dev_rx_init(dev);
if(err){
ixgbe_dev_clear_queues(dev);
PMD_INIT_LOG(ERR,"Unable to initialize RX hardware\n");
return err;
}
ixgbevf_dev_rxtx_start(dev);
return 0;
}
static void
ixgbevf_dev_stop(struct rte_eth_dev *dev)
{
struct ixgbe_hw *hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
PMD_INIT_LOG(DEBUG, "ixgbevf_dev_stop");
ixgbe_reset_hw(hw);
hw->adapter_stopped = 0;
ixgbe_stop_adapter(hw);
/* reprogram the RAR[0] in case user changed it. */
ixgbe_set_rar(hw, 0, hw->mac.addr, 0, IXGBE_RAH_AV);
}
