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Diffstat (limited to 'src/dpdk22/drivers/net/e1000/em_ethdev.c')
-rw-r--r--src/dpdk22/drivers/net/e1000/em_ethdev.c1745
1 files changed, 0 insertions, 1745 deletions
diff --git a/src/dpdk22/drivers/net/e1000/em_ethdev.c b/src/dpdk22/drivers/net/e1000/em_ethdev.c
deleted file mode 100644
index 66e89933..00000000
--- a/src/dpdk22/drivers/net/e1000/em_ethdev.c
+++ /dev/null
@@ -1,1745 +0,0 @@
-/*-
- * BSD LICENSE
- *
- * Copyright(c) 2010-2015 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.
- */
-
-#include <sys/queue.h>
-#include <stdio.h>
-#include <errno.h>
-#include <stdint.h>
-#include <stdarg.h>
-
-#include <rte_common.h>
-#include <rte_interrupts.h>
-#include <rte_byteorder.h>
-#include <rte_log.h>
-#include <rte_debug.h>
-#include <rte_pci.h>
-#include <rte_ether.h>
-#include <rte_ethdev.h>
-#include <rte_memory.h>
-#include <rte_memzone.h>
-#include <rte_eal.h>
-#include <rte_atomic.h>
-#include <rte_malloc.h>
-#include <rte_dev.h>
-
-#include "e1000_logs.h"
-#include "base/e1000_api.h"
-#include "e1000_ethdev.h"
-
-#define EM_EIAC 0x000DC
-
-#define PMD_ROUNDUP(x,y) (((x) + (y) - 1)/(y) * (y))
-
-
-static int eth_em_configure(struct rte_eth_dev *dev);
-static int eth_em_start(struct rte_eth_dev *dev);
-static void eth_em_stop(struct rte_eth_dev *dev);
-static void eth_em_close(struct rte_eth_dev *dev);
-static void eth_em_promiscuous_enable(struct rte_eth_dev *dev);
-static void eth_em_promiscuous_disable(struct rte_eth_dev *dev);
-static void eth_em_allmulticast_enable(struct rte_eth_dev *dev);
-static void eth_em_allmulticast_disable(struct rte_eth_dev *dev);
-static int eth_em_link_update(struct rte_eth_dev *dev,
- int wait_to_complete);
-static void eth_em_stats_get(struct rte_eth_dev *dev,
- struct rte_eth_stats *rte_stats);
-static void eth_em_stats_reset(struct rte_eth_dev *dev);
-static void eth_em_infos_get(struct rte_eth_dev *dev,
- struct rte_eth_dev_info *dev_info);
-static int eth_em_flow_ctrl_get(struct rte_eth_dev *dev,
- struct rte_eth_fc_conf *fc_conf);
-static int eth_em_flow_ctrl_set(struct rte_eth_dev *dev,
- struct rte_eth_fc_conf *fc_conf);
-static int eth_em_interrupt_setup(struct rte_eth_dev *dev);
-static int eth_em_rxq_interrupt_setup(struct rte_eth_dev *dev);
-static int eth_em_interrupt_get_status(struct rte_eth_dev *dev);
-static int eth_em_interrupt_action(struct rte_eth_dev *dev);
-static void eth_em_interrupt_handler(struct rte_intr_handle *handle,
- void *param);
-
-static int em_hw_init(struct e1000_hw *hw);
-static int em_hardware_init(struct e1000_hw *hw);
-static void em_hw_control_acquire(struct e1000_hw *hw);
-static void em_hw_control_release(struct e1000_hw *hw);
-static void em_init_manageability(struct e1000_hw *hw);
-static void em_release_manageability(struct e1000_hw *hw);
-
-static int eth_em_mtu_set(struct rte_eth_dev *dev, uint16_t mtu);
-
-static int eth_em_vlan_filter_set(struct rte_eth_dev *dev,
- uint16_t vlan_id, int on);
-static void eth_em_vlan_offload_set(struct rte_eth_dev *dev, int mask);
-static void em_vlan_hw_filter_enable(struct rte_eth_dev *dev);
-static void em_vlan_hw_filter_disable(struct rte_eth_dev *dev);
-static void em_vlan_hw_strip_enable(struct rte_eth_dev *dev);
-static void em_vlan_hw_strip_disable(struct rte_eth_dev *dev);
-
-/*
-static void eth_em_vlan_filter_set(struct rte_eth_dev *dev,
- uint16_t vlan_id, int on);
-*/
-
-static int eth_em_rx_queue_intr_enable(struct rte_eth_dev *dev, uint16_t queue_id);
-static int eth_em_rx_queue_intr_disable(struct rte_eth_dev *dev, uint16_t queue_id);
-static void em_lsc_intr_disable(struct e1000_hw *hw);
-static void em_rxq_intr_enable(struct e1000_hw *hw);
-static void em_rxq_intr_disable(struct e1000_hw *hw);
-
-static int eth_em_led_on(struct rte_eth_dev *dev);
-static int eth_em_led_off(struct rte_eth_dev *dev);
-
-static int em_get_rx_buffer_size(struct e1000_hw *hw);
-static void eth_em_rar_set(struct rte_eth_dev *dev, struct ether_addr *mac_addr,
- uint32_t index, uint32_t pool);
-static void eth_em_rar_clear(struct rte_eth_dev *dev, uint32_t index);
-
-static int eth_em_set_mc_addr_list(struct rte_eth_dev *dev,
- struct ether_addr *mc_addr_set,
- uint32_t nb_mc_addr);
-
-#define EM_FC_PAUSE_TIME 0x0680
-#define EM_LINK_UPDATE_CHECK_TIMEOUT 90 /* 9s */
-#define EM_LINK_UPDATE_CHECK_INTERVAL 100 /* ms */
-
-static enum e1000_fc_mode em_fc_setting = e1000_fc_full;
-
-/*
- * The set of PCI devices this driver supports
- */
-static const struct rte_pci_id pci_id_em_map[] = {
-
-#define RTE_PCI_DEV_ID_DECL_EM(vend, dev) {RTE_PCI_DEVICE(vend, dev)},
-#include "rte_pci_dev_ids.h"
-
-{0},
-};
-
-static const struct eth_dev_ops eth_em_ops = {
- .dev_configure = eth_em_configure,
- .dev_start = eth_em_start,
- .dev_stop = eth_em_stop,
- .dev_close = eth_em_close,
- .promiscuous_enable = eth_em_promiscuous_enable,
- .promiscuous_disable = eth_em_promiscuous_disable,
- .allmulticast_enable = eth_em_allmulticast_enable,
- .allmulticast_disable = eth_em_allmulticast_disable,
- .link_update = eth_em_link_update,
- .stats_get = eth_em_stats_get,
- .stats_reset = eth_em_stats_reset,
- .dev_infos_get = eth_em_infos_get,
- .mtu_set = eth_em_mtu_set,
- .vlan_filter_set = eth_em_vlan_filter_set,
- .vlan_offload_set = eth_em_vlan_offload_set,
- .rx_queue_setup = eth_em_rx_queue_setup,
- .rx_queue_release = eth_em_rx_queue_release,
- .rx_queue_count = eth_em_rx_queue_count,
- .rx_descriptor_done = eth_em_rx_descriptor_done,
- .tx_queue_setup = eth_em_tx_queue_setup,
- .tx_queue_release = eth_em_tx_queue_release,
- .rx_queue_intr_enable = eth_em_rx_queue_intr_enable,
- .rx_queue_intr_disable = eth_em_rx_queue_intr_disable,
- .dev_led_on = eth_em_led_on,
- .dev_led_off = eth_em_led_off,
- .flow_ctrl_get = eth_em_flow_ctrl_get,
- .flow_ctrl_set = eth_em_flow_ctrl_set,
- .mac_addr_add = eth_em_rar_set,
- .mac_addr_remove = eth_em_rar_clear,
- .set_mc_addr_list = eth_em_set_mc_addr_list,
- .rxq_info_get = em_rxq_info_get,
- .txq_info_get = em_txq_info_get,
-};
-
-/**
- * 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_em_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_em_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;
-}
-
-static int
-eth_em_dev_init(struct rte_eth_dev *eth_dev)
-{
- struct rte_pci_device *pci_dev;
- struct e1000_adapter *adapter =
- E1000_DEV_PRIVATE(eth_dev->data->dev_private);
- struct e1000_hw *hw =
- E1000_DEV_PRIVATE_TO_HW(eth_dev->data->dev_private);
- struct e1000_vfta * shadow_vfta =
- E1000_DEV_PRIVATE_TO_VFTA(eth_dev->data->dev_private);
-
- pci_dev = eth_dev->pci_dev;
-
- eth_dev->dev_ops = &eth_em_ops;
- eth_dev->rx_pkt_burst = (eth_rx_burst_t)&eth_em_recv_pkts;
- eth_dev->tx_pkt_burst = (eth_tx_burst_t)&eth_em_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 =
- (eth_rx_burst_t)&eth_em_recv_scattered_pkts;
- return 0;
- }
-
- rte_eth_copy_pci_info(eth_dev, pci_dev);
-
- hw->hw_addr = (void *)pci_dev->mem_resource[0].addr;
- hw->device_id = pci_dev->id.device_id;
- adapter->stopped = 0;
-
- /* For ICH8 support we'll need to map the flash memory BAR */
-
- if (e1000_setup_init_funcs(hw, TRUE) != E1000_SUCCESS ||
- em_hw_init(hw) != 0) {
- PMD_INIT_LOG(ERR, "port_id %d vendorID=0x%x deviceID=0x%x: "
- "failed to init HW",
- eth_dev->data->port_id, pci_dev->id.vendor_id,
- pci_dev->id.device_id);
- return -(ENODEV);
- }
-
- /* Allocate memory for storing MAC addresses */
- eth_dev->data->mac_addrs = rte_zmalloc("e1000", ETHER_ADDR_LEN *
- hw->mac.rar_entry_count, 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.rar_entry_count);
- return -(ENOMEM);
- }
-
- /* Copy the permanent MAC address */
- ether_addr_copy((struct ether_addr *) hw->mac.addr,
- eth_dev->data->mac_addrs);
-
- /* initialize the vfta */
- memset(shadow_vfta, 0, sizeof(*shadow_vfta));
-
- PMD_INIT_LOG(DEBUG, "port_id %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),
- eth_em_interrupt_handler, (void *)eth_dev);
-
- return (0);
-}
-
-static int
-eth_em_dev_uninit(struct rte_eth_dev *eth_dev)
-{
- struct rte_pci_device *pci_dev;
- struct e1000_adapter *adapter =
- E1000_DEV_PRIVATE(eth_dev->data->dev_private);
-
- PMD_INIT_FUNC_TRACE();
-
- if (rte_eal_process_type() != RTE_PROC_PRIMARY)
- return -EPERM;
-
- pci_dev = eth_dev->pci_dev;
-
- if (adapter->stopped == 0)
- eth_em_close(eth_dev);
-
- eth_dev->dev_ops = NULL;
- eth_dev->rx_pkt_burst = NULL;
- eth_dev->tx_pkt_burst = NULL;
-
- rte_free(eth_dev->data->mac_addrs);
- eth_dev->data->mac_addrs = NULL;
-
- /* disable uio intr before callback unregister */
- rte_intr_disable(&(pci_dev->intr_handle));
- rte_intr_callback_unregister(&(pci_dev->intr_handle),
- eth_em_interrupt_handler, (void *)eth_dev);
-
- return 0;
-}
-
-static struct eth_driver rte_em_pmd = {
- .pci_drv = {
- .name = "rte_em_pmd",
- .id_table = pci_id_em_map,
- .drv_flags = RTE_PCI_DRV_NEED_MAPPING | RTE_PCI_DRV_INTR_LSC |
- RTE_PCI_DRV_DETACHABLE,
- },
- .eth_dev_init = eth_em_dev_init,
- .eth_dev_uninit = eth_em_dev_uninit,
- .dev_private_size = sizeof(struct e1000_adapter),
-};
-
-static int
-rte_em_pmd_init(const char *name __rte_unused, const char *params __rte_unused)
-{
- rte_eth_driver_register(&rte_em_pmd);
- return 0;
-}
-
-static int
-em_hw_init(struct e1000_hw *hw)
-{
- int diag;
-
- diag = hw->mac.ops.init_params(hw);
- if (diag != 0) {
- PMD_INIT_LOG(ERR, "MAC Initialization Error");
- return diag;
- }
- diag = hw->nvm.ops.init_params(hw);
- if (diag != 0) {
- PMD_INIT_LOG(ERR, "NVM Initialization Error");
- return diag;
- }
- diag = hw->phy.ops.init_params(hw);
- if (diag != 0) {
- PMD_INIT_LOG(ERR, "PHY Initialization Error");
- return diag;
- }
- (void) e1000_get_bus_info(hw);
-
- hw->mac.autoneg = 1;
- hw->phy.autoneg_wait_to_complete = 0;
- hw->phy.autoneg_advertised = E1000_ALL_SPEED_DUPLEX;
-
- e1000_init_script_state_82541(hw, TRUE);
- e1000_set_tbi_compatibility_82543(hw, TRUE);
-
- /* Copper options */
- if (hw->phy.media_type == e1000_media_type_copper) {
- hw->phy.mdix = 0; /* AUTO_ALL_MODES */
- hw->phy.disable_polarity_correction = 0;
- hw->phy.ms_type = e1000_ms_hw_default;
- }
-
- /*
- * Start from a known state, this is important in reading the nvm
- * and mac from that.
- */
- e1000_reset_hw(hw);
-
- /* Make sure we have a good EEPROM before we read from it */
- if (e1000_validate_nvm_checksum(hw) < 0) {
- /*
- * Some PCI-E parts fail the first check due to
- * the link being in sleep state, call it again,
- * if it fails a second time its a real issue.
- */
- diag = e1000_validate_nvm_checksum(hw);
- if (diag < 0) {
- PMD_INIT_LOG(ERR, "EEPROM checksum invalid");
- goto error;
- }
- }
-
- /* Read the permanent MAC address out of the EEPROM */
- diag = e1000_read_mac_addr(hw);
- if (diag != 0) {
- PMD_INIT_LOG(ERR, "EEPROM error while reading MAC address");
- goto error;
- }
-
- /* Now initialize the hardware */
- diag = em_hardware_init(hw);
- if (diag != 0) {
- PMD_INIT_LOG(ERR, "Hardware initialization failed");
- goto error;
- }
-
- hw->mac.get_link_status = 1;
-
- /* Indicate SOL/IDER usage */
- diag = e1000_check_reset_block(hw);
- if (diag < 0) {
- PMD_INIT_LOG(ERR, "PHY reset is blocked due to "
- "SOL/IDER session");
- }
- return (0);
-
-error:
- em_hw_control_release(hw);
- return (diag);
-}
-
-static int
-eth_em_configure(struct rte_eth_dev *dev)
-{
- struct e1000_interrupt *intr =
- E1000_DEV_PRIVATE_TO_INTR(dev->data->dev_private);
-
- PMD_INIT_FUNC_TRACE();
- intr->flags |= E1000_FLAG_NEED_LINK_UPDATE;
- PMD_INIT_FUNC_TRACE();
-
- return (0);
-}
-
-static void
-em_set_pba(struct e1000_hw *hw)
-{
- uint32_t pba;
-
- /*
- * Packet Buffer Allocation (PBA)
- * Writing PBA sets the receive portion of the buffer
- * the remainder is used for the transmit buffer.
- * Devices before the 82547 had a Packet Buffer of 64K.
- * After the 82547 the buffer was reduced to 40K.
- */
- switch (hw->mac.type) {
- case e1000_82547:
- case e1000_82547_rev_2:
- /* 82547: Total Packet Buffer is 40K */
- pba = E1000_PBA_22K; /* 22K for Rx, 18K for Tx */
- break;
- case e1000_82571:
- case e1000_82572:
- case e1000_80003es2lan:
- pba = E1000_PBA_32K; /* 32K for Rx, 16K for Tx */
- break;
- case e1000_82573: /* 82573: Total Packet Buffer is 32K */
- pba = E1000_PBA_12K; /* 12K for Rx, 20K for Tx */
- break;
- case e1000_82574:
- case e1000_82583:
- pba = E1000_PBA_20K; /* 20K for Rx, 20K for Tx */
- break;
- case e1000_ich8lan:
- pba = E1000_PBA_8K;
- break;
- case e1000_ich9lan:
- case e1000_ich10lan:
- pba = E1000_PBA_10K;
- break;
- case e1000_pchlan:
- case e1000_pch2lan:
- pba = E1000_PBA_26K;
- break;
- default:
- pba = E1000_PBA_40K; /* 40K for Rx, 24K for Tx */
- }
-
- E1000_WRITE_REG(hw, E1000_PBA, pba);
-}
-
-static int
-eth_em_start(struct rte_eth_dev *dev)
-{
- struct e1000_adapter *adapter =
- E1000_DEV_PRIVATE(dev->data->dev_private);
- struct e1000_hw *hw =
- E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
- struct rte_intr_handle *intr_handle = &dev->pci_dev->intr_handle;
- int ret, mask;
- uint32_t intr_vector = 0;
-
- PMD_INIT_FUNC_TRACE();
-
- eth_em_stop(dev);
-
- e1000_power_up_phy(hw);
-
- /* Set default PBA value */
- em_set_pba(hw);
-
- /* Put the address into the Receive Address Array */
- e1000_rar_set(hw, hw->mac.addr, 0);
-
- /*
- * With the 82571 adapter, RAR[0] may be overwritten
- * when the other port is reset, we make a duplicate
- * in RAR[14] for that eventuality, this assures
- * the interface continues to function.
- */
- if (hw->mac.type == e1000_82571) {
- e1000_set_laa_state_82571(hw, TRUE);
- e1000_rar_set(hw, hw->mac.addr, E1000_RAR_ENTRIES - 1);
- }
-
- /* Initialize the hardware */
- if (em_hardware_init(hw)) {
- PMD_INIT_LOG(ERR, "Unable to initialize the hardware");
- return (-EIO);
- }
-
- E1000_WRITE_REG(hw, E1000_VET, ETHER_TYPE_VLAN);
-
- /* Configure for OS presence */
- em_init_manageability(hw);
-
- if (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)) {
- intr_handle->intr_vec =
- rte_zmalloc("intr_vec",
- dev->data->nb_rx_queues * sizeof(int), 0);
- if (intr_handle->intr_vec == NULL) {
- PMD_INIT_LOG(ERR, "Failed to allocate %d rx_queues"
- " intr_vec\n", dev->data->nb_rx_queues);
- return -ENOMEM;
- }
-
- /* enable rx interrupt */
- em_rxq_intr_enable(hw);
- }
-
- eth_em_tx_init(dev);
-
- ret = eth_em_rx_init(dev);
- if (ret) {
- PMD_INIT_LOG(ERR, "Unable to initialize RX hardware");
- em_dev_clear_queues(dev);
- return ret;
- }
-
- e1000_clear_hw_cntrs_base_generic(hw);
-
- mask = ETH_VLAN_STRIP_MASK | ETH_VLAN_FILTER_MASK | \
- ETH_VLAN_EXTEND_MASK;
- eth_em_vlan_offload_set(dev, mask);
-
- /* Set Interrupt Throttling Rate to maximum allowed value. */
- E1000_WRITE_REG(hw, E1000_ITR, UINT16_MAX);
-
- /* Setup link speed and duplex */
- switch (dev->data->dev_conf.link_speed) {
- case ETH_LINK_SPEED_AUTONEG:
- if (dev->data->dev_conf.link_duplex == ETH_LINK_AUTONEG_DUPLEX)
- hw->phy.autoneg_advertised = E1000_ALL_SPEED_DUPLEX;
- else if (dev->data->dev_conf.link_duplex ==
- ETH_LINK_HALF_DUPLEX)
- hw->phy.autoneg_advertised = E1000_ALL_HALF_DUPLEX;
- else if (dev->data->dev_conf.link_duplex ==
- ETH_LINK_FULL_DUPLEX)
- hw->phy.autoneg_advertised = E1000_ALL_FULL_DUPLEX;
- else
- goto error_invalid_config;
- break;
- case ETH_LINK_SPEED_10:
- if (dev->data->dev_conf.link_duplex == ETH_LINK_AUTONEG_DUPLEX)
- hw->phy.autoneg_advertised = E1000_ALL_10_SPEED;
- else if (dev->data->dev_conf.link_duplex ==
- ETH_LINK_HALF_DUPLEX)
- hw->phy.autoneg_advertised = ADVERTISE_10_HALF;
- else if (dev->data->dev_conf.link_duplex ==
- ETH_LINK_FULL_DUPLEX)
- hw->phy.autoneg_advertised = ADVERTISE_10_FULL;
- else
- goto error_invalid_config;
- break;
- case ETH_LINK_SPEED_100:
- if (dev->data->dev_conf.link_duplex == ETH_LINK_AUTONEG_DUPLEX)
- hw->phy.autoneg_advertised = E1000_ALL_100_SPEED;
- else if (dev->data->dev_conf.link_duplex ==
- ETH_LINK_HALF_DUPLEX)
- hw->phy.autoneg_advertised = ADVERTISE_100_HALF;
- else if (dev->data->dev_conf.link_duplex ==
- ETH_LINK_FULL_DUPLEX)
- hw->phy.autoneg_advertised = ADVERTISE_100_FULL;
- else
- goto error_invalid_config;
- break;
- case ETH_LINK_SPEED_1000:
- if ((dev->data->dev_conf.link_duplex ==
- ETH_LINK_AUTONEG_DUPLEX) ||
- (dev->data->dev_conf.link_duplex ==
- ETH_LINK_FULL_DUPLEX))
- hw->phy.autoneg_advertised = ADVERTISE_1000_FULL;
- else
- goto error_invalid_config;
- break;
- case ETH_LINK_SPEED_10000:
- default:
- goto error_invalid_config;
- }
- e1000_setup_link(hw);
-
- if (rte_intr_allow_others(intr_handle)) {
- /* check if lsc interrupt is enabled */
- if (dev->data->dev_conf.intr_conf.lsc != 0)
- ret = eth_em_interrupt_setup(dev);
- if (ret) {
- PMD_INIT_LOG(ERR, "Unable to setup interrupts");
- em_dev_clear_queues(dev);
- return ret;
- }
- } else {
- rte_intr_callback_unregister(intr_handle,
- eth_em_interrupt_handler,
- (void *)dev);
- if (dev->data->dev_conf.intr_conf.lsc != 0)
- PMD_INIT_LOG(INFO, "lsc won't enable because of"
- " no intr multiplex\n");
- }
- /* check if rxq interrupt is enabled */
- if (dev->data->dev_conf.intr_conf.rxq != 0)
- eth_em_rxq_interrupt_setup(dev);
-
- rte_intr_enable(intr_handle);
-
- adapter->stopped = 0;
-
- PMD_INIT_LOG(DEBUG, "<<");
-
- return (0);
-
-error_invalid_config:
- PMD_INIT_LOG(ERR, "Invalid link_speed/link_duplex (%u/%u) for port %u",
- dev->data->dev_conf.link_speed,
- dev->data->dev_conf.link_duplex, dev->data->port_id);
- em_dev_clear_queues(dev);
- return (-EINVAL);
-}
-
-/*********************************************************************
- *
- * This routine disables all traffic on the adapter by issuing a
- * global reset on the MAC.
- *
- **********************************************************************/
-static void
-eth_em_stop(struct rte_eth_dev *dev)
-{
- struct rte_eth_link link;
- struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
- struct rte_intr_handle *intr_handle = &dev->pci_dev->intr_handle;
-
- em_rxq_intr_disable(hw);
- em_lsc_intr_disable(hw);
-
- e1000_reset_hw(hw);
- if (hw->mac.type >= e1000_82544)
- E1000_WRITE_REG(hw, E1000_WUC, 0);
-
- /* Power down the phy. Needed to make the link go down */
- e1000_power_down_phy(hw);
-
- em_dev_clear_queues(dev);
-
- /* clear the recorded link status */
- memset(&link, 0, sizeof(link));
- rte_em_dev_atomic_write_link_status(dev, &link);
-
- if (!rte_intr_allow_others(intr_handle))
- /* resume to the default handler */
- rte_intr_callback_register(intr_handle,
- eth_em_interrupt_handler,
- (void *)dev);
-
- /* Clean datapath event and queue/vec mapping */
- rte_intr_efd_disable(intr_handle);
- if (intr_handle->intr_vec != NULL) {
- rte_free(intr_handle->intr_vec);
- intr_handle->intr_vec = NULL;
- }
-}
-
-static void
-eth_em_close(struct rte_eth_dev *dev)
-{
- struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
- struct e1000_adapter *adapter =
- E1000_DEV_PRIVATE(dev->data->dev_private);
-
- eth_em_stop(dev);
- adapter->stopped = 1;
- em_dev_free_queues(dev);
- e1000_phy_hw_reset(hw);
- em_release_manageability(hw);
- em_hw_control_release(hw);
-}
-
-static int
-em_get_rx_buffer_size(struct e1000_hw *hw)
-{
- uint32_t rx_buf_size;
-
- rx_buf_size = ((E1000_READ_REG(hw, E1000_PBA) & UINT16_MAX) << 10);
- return rx_buf_size;
-}
-
-/*********************************************************************
- *
- * Initialize the hardware
- *
- **********************************************************************/
-static int
-em_hardware_init(struct e1000_hw *hw)
-{
- uint32_t rx_buf_size;
- int diag;
-
- /* Issue a global reset */
- e1000_reset_hw(hw);
-
- /* Let the firmware know the OS is in control */
- em_hw_control_acquire(hw);
-
- /*
- * These parameters control the automatic generation (Tx) and
- * response (Rx) to Ethernet PAUSE frames.
- * - High water mark should allow for at least two standard size (1518)
- * frames to be received after sending an XOFF.
- * - Low water mark works best when it is very near the high water mark.
- * This allows the receiver to restart by sending XON when it has
- * drained a bit. Here we use an arbitrary value of 1500 which will
- * restart after one full frame is pulled from the buffer. There
- * could be several smaller frames in the buffer and if so they will
- * not trigger the XON until their total number reduces the buffer
- * by 1500.
- * - The pause time is fairly large at 1000 x 512ns = 512 usec.
- */
- rx_buf_size = em_get_rx_buffer_size(hw);
-
- hw->fc.high_water = rx_buf_size - PMD_ROUNDUP(ETHER_MAX_LEN * 2, 1024);
- hw->fc.low_water = hw->fc.high_water - 1500;
-
- if (hw->mac.type == e1000_80003es2lan)
- hw->fc.pause_time = UINT16_MAX;
- else
- hw->fc.pause_time = EM_FC_PAUSE_TIME;
-
- hw->fc.send_xon = 1;
-
- /* Set Flow control, use the tunable location if sane */
- if (em_fc_setting <= e1000_fc_full)
- hw->fc.requested_mode = em_fc_setting;
- else
- hw->fc.requested_mode = e1000_fc_none;
-
- /* Workaround: no TX flow ctrl for PCH */
- if (hw->mac.type == e1000_pchlan)
- hw->fc.requested_mode = e1000_fc_rx_pause;
-
- /* Override - settings for PCH2LAN, ya its magic :) */
- if (hw->mac.type == e1000_pch2lan) {
- hw->fc.high_water = 0x5C20;
- hw->fc.low_water = 0x5048;
- hw->fc.pause_time = 0x0650;
- hw->fc.refresh_time = 0x0400;
- }
-
- diag = e1000_init_hw(hw);
- if (diag < 0)
- return (diag);
- e1000_check_for_link(hw);
- return (0);
-}
-
-/* This function is based on em_update_stats_counters() in e1000/if_em.c */
-static void
-eth_em_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *rte_stats)
-{
- struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
- struct e1000_hw_stats *stats =
- E1000_DEV_PRIVATE_TO_STATS(dev->data->dev_private);
- int pause_frames;
-
- if(hw->phy.media_type == e1000_media_type_copper ||
- (E1000_READ_REG(hw, E1000_STATUS) & E1000_STATUS_LU)) {
- stats->symerrs += E1000_READ_REG(hw,E1000_SYMERRS);
- stats->sec += E1000_READ_REG(hw, E1000_SEC);
- }
-
- stats->crcerrs += E1000_READ_REG(hw, E1000_CRCERRS);
- stats->mpc += E1000_READ_REG(hw, E1000_MPC);
- stats->scc += E1000_READ_REG(hw, E1000_SCC);
- stats->ecol += E1000_READ_REG(hw, E1000_ECOL);
-
- stats->mcc += E1000_READ_REG(hw, E1000_MCC);
- stats->latecol += E1000_READ_REG(hw, E1000_LATECOL);
- stats->colc += E1000_READ_REG(hw, E1000_COLC);
- stats->dc += E1000_READ_REG(hw, E1000_DC);
- stats->rlec += E1000_READ_REG(hw, E1000_RLEC);
- stats->xonrxc += E1000_READ_REG(hw, E1000_XONRXC);
- stats->xontxc += E1000_READ_REG(hw, E1000_XONTXC);
-
- /*
- * For watchdog management we need to know if we have been
- * paused during the last interval, so capture that here.
- */
- pause_frames = E1000_READ_REG(hw, E1000_XOFFRXC);
- stats->xoffrxc += pause_frames;
- stats->xofftxc += E1000_READ_REG(hw, E1000_XOFFTXC);
- stats->fcruc += E1000_READ_REG(hw, E1000_FCRUC);
- stats->prc64 += E1000_READ_REG(hw, E1000_PRC64);
- stats->prc127 += E1000_READ_REG(hw, E1000_PRC127);
- stats->prc255 += E1000_READ_REG(hw, E1000_PRC255);
- stats->prc511 += E1000_READ_REG(hw, E1000_PRC511);
- stats->prc1023 += E1000_READ_REG(hw, E1000_PRC1023);
- stats->prc1522 += E1000_READ_REG(hw, E1000_PRC1522);
- stats->gprc += E1000_READ_REG(hw, E1000_GPRC);
- stats->bprc += E1000_READ_REG(hw, E1000_BPRC);
- stats->mprc += E1000_READ_REG(hw, E1000_MPRC);
- stats->gptc += E1000_READ_REG(hw, E1000_GPTC);
-
- /*
- * For the 64-bit byte counters the low dword must be read first.
- * Both registers clear on the read of the high dword.
- */
-
- stats->gorc += E1000_READ_REG(hw, E1000_GORCL);
- stats->gorc += ((uint64_t)E1000_READ_REG(hw, E1000_GORCH) << 32);
- stats->gotc += E1000_READ_REG(hw, E1000_GOTCL);
- stats->gotc += ((uint64_t)E1000_READ_REG(hw, E1000_GOTCH) << 32);
-
- stats->rnbc += E1000_READ_REG(hw, E1000_RNBC);
- stats->ruc += E1000_READ_REG(hw, E1000_RUC);
- stats->rfc += E1000_READ_REG(hw, E1000_RFC);
- stats->roc += E1000_READ_REG(hw, E1000_ROC);
- stats->rjc += E1000_READ_REG(hw, E1000_RJC);
-
- stats->tor += E1000_READ_REG(hw, E1000_TORH);
- stats->tot += E1000_READ_REG(hw, E1000_TOTH);
-
- stats->tpr += E1000_READ_REG(hw, E1000_TPR);
- stats->tpt += E1000_READ_REG(hw, E1000_TPT);
- stats->ptc64 += E1000_READ_REG(hw, E1000_PTC64);
- stats->ptc127 += E1000_READ_REG(hw, E1000_PTC127);
- stats->ptc255 += E1000_READ_REG(hw, E1000_PTC255);
- stats->ptc511 += E1000_READ_REG(hw, E1000_PTC511);
- stats->ptc1023 += E1000_READ_REG(hw, E1000_PTC1023);
- stats->ptc1522 += E1000_READ_REG(hw, E1000_PTC1522);
- stats->mptc += E1000_READ_REG(hw, E1000_MPTC);
- stats->bptc += E1000_READ_REG(hw, E1000_BPTC);
-
- /* Interrupt Counts */
-
- if (hw->mac.type >= e1000_82571) {
- stats->iac += E1000_READ_REG(hw, E1000_IAC);
- stats->icrxptc += E1000_READ_REG(hw, E1000_ICRXPTC);
- stats->icrxatc += E1000_READ_REG(hw, E1000_ICRXATC);
- stats->ictxptc += E1000_READ_REG(hw, E1000_ICTXPTC);
- stats->ictxatc += E1000_READ_REG(hw, E1000_ICTXATC);
- stats->ictxqec += E1000_READ_REG(hw, E1000_ICTXQEC);
- stats->ictxqmtc += E1000_READ_REG(hw, E1000_ICTXQMTC);
- stats->icrxdmtc += E1000_READ_REG(hw, E1000_ICRXDMTC);
- stats->icrxoc += E1000_READ_REG(hw, E1000_ICRXOC);
- }
-
- if (hw->mac.type >= e1000_82543) {
- stats->algnerrc += E1000_READ_REG(hw, E1000_ALGNERRC);
- stats->rxerrc += E1000_READ_REG(hw, E1000_RXERRC);
- stats->tncrs += E1000_READ_REG(hw, E1000_TNCRS);
- stats->cexterr += E1000_READ_REG(hw, E1000_CEXTERR);
- stats->tsctc += E1000_READ_REG(hw, E1000_TSCTC);
- stats->tsctfc += E1000_READ_REG(hw, E1000_TSCTFC);
- }
-
- if (rte_stats == NULL)
- return;
-
- /* Rx Errors */
- rte_stats->imissed = stats->mpc;
- rte_stats->ierrors = stats->crcerrs +
- stats->rlec + stats->ruc + stats->roc +
- rte_stats->imissed +
- stats->rxerrc + stats->algnerrc + stats->cexterr;
-
- /* Tx Errors */
- rte_stats->oerrors = stats->ecol + stats->latecol;
-
- rte_stats->ipackets = stats->gprc;
- rte_stats->opackets = stats->gptc;
- rte_stats->ibytes = stats->gorc;
- rte_stats->obytes = stats->gotc;
-}
-
-static void
-eth_em_stats_reset(struct rte_eth_dev *dev)
-{
- struct e1000_hw_stats *hw_stats =
- E1000_DEV_PRIVATE_TO_STATS(dev->data->dev_private);
-
- /* HW registers are cleared on read */
- eth_em_stats_get(dev, NULL);
-
- /* Reset software totals */
- memset(hw_stats, 0, sizeof(*hw_stats));
-}
-
-static int
-eth_em_rx_queue_intr_enable(struct rte_eth_dev *dev, __rte_unused uint16_t queue_id)
-{
- struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
-
- em_rxq_intr_enable(hw);
- rte_intr_enable(&dev->pci_dev->intr_handle);
-
- return 0;
-}
-
-static int
-eth_em_rx_queue_intr_disable(struct rte_eth_dev *dev, __rte_unused uint16_t queue_id)
-{
- struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
-
- em_rxq_intr_disable(hw);
-
- return 0;
-}
-
-static uint32_t
-em_get_max_pktlen(const struct e1000_hw *hw)
-{
- switch (hw->mac.type) {
- case e1000_82571:
- case e1000_82572:
- case e1000_ich9lan:
- case e1000_ich10lan:
- case e1000_pch2lan:
- case e1000_82574:
- case e1000_80003es2lan: /* 9K Jumbo Frame size */
- case e1000_82583:
- return (0x2412);
- case e1000_pchlan:
- return (0x1000);
- /* Adapters that do not support jumbo frames */
- case e1000_ich8lan:
- return (ETHER_MAX_LEN);
- default:
- return (MAX_JUMBO_FRAME_SIZE);
- }
-}
-
-static void
-eth_em_infos_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info)
-{
- struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
-
- dev_info->min_rx_bufsize = 256; /* See BSIZE field of RCTL register. */
- dev_info->max_rx_pktlen = em_get_max_pktlen(hw);
- dev_info->max_mac_addrs = hw->mac.rar_entry_count;
-
- /*
- * Starting with 631xESB hw supports 2 TX/RX queues per port.
- * Unfortunatelly, all these nics have just one TX context.
- * So we have few choises for TX:
- * - Use just one TX queue.
- * - Allow cksum offload only for one TX queue.
- * - Don't allow TX cksum offload at all.
- * For now, option #1 was chosen.
- * To use second RX queue we have to use extended RX descriptor
- * (Multiple Receive Queues are mutually exclusive with UDP
- * fragmentation and are not supported when a legacy receive
- * descriptor format is used).
- * Which means separate RX routinies - as legacy nics (82540, 82545)
- * don't support extended RXD.
- * To avoid it we support just one RX queue for now (no RSS).
- */
-
- dev_info->max_rx_queues = 1;
- dev_info->max_tx_queues = 1;
-
- dev_info->rx_desc_lim = (struct rte_eth_desc_lim) {
- .nb_max = E1000_MAX_RING_DESC,
- .nb_min = E1000_MIN_RING_DESC,
- .nb_align = EM_RXD_ALIGN,
- };
-
- dev_info->tx_desc_lim = (struct rte_eth_desc_lim) {
- .nb_max = E1000_MAX_RING_DESC,
- .nb_min = E1000_MIN_RING_DESC,
- .nb_align = EM_TXD_ALIGN,
- };
-}
-
-/* return 0 means link status changed, -1 means not changed */
-static int
-eth_em_link_update(struct rte_eth_dev *dev, int wait_to_complete)
-{
- struct e1000_hw *hw =
- E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
- struct rte_eth_link link, old;
- 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 < EM_LINK_UPDATE_CHECK_TIMEOUT; count ++) {
- /* Read the real link status */
- switch (hw->phy.media_type) {
- case e1000_media_type_copper:
- /* Do the work to read phy */
- e1000_check_for_link(hw);
- link_check = !hw->mac.get_link_status;
- break;
-
- case e1000_media_type_fiber:
- e1000_check_for_link(hw);
- link_check = (E1000_READ_REG(hw, E1000_STATUS) &
- E1000_STATUS_LU);
- break;
-
- case e1000_media_type_internal_serdes:
- e1000_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(EM_LINK_UPDATE_CHECK_INTERVAL);
- }
- memset(&link, 0, sizeof(link));
- rte_em_dev_atomic_read_link_status(dev, &link);
- old = link;
-
- /* Now we check if a transition has happened */
- if (link_check && (link.link_status == 0)) {
- hw->mac.ops.get_link_up_info(hw, &link.link_speed,
- &link.link_duplex);
- link.link_status = 1;
- } else if (!link_check && (link.link_status == 1)) {
- link.link_speed = 0;
- link.link_duplex = 0;
- link.link_status = 0;
- }
- rte_em_dev_atomic_write_link_status(dev, &link);
-
- /* not changed */
- if (old.link_status == link.link_status)
- return -1;
-
- /* changed */
- return 0;
-}
-
-/*
- * em_hw_control_acquire sets {CTRL_EXT|FWSM}:DRV_LOAD bit.
- * For ASF and Pass Through versions of f/w this means
- * that the driver is loaded. For AMT version type f/w
- * this means that the network i/f is open.
- */
-static void
-em_hw_control_acquire(struct e1000_hw *hw)
-{
- uint32_t ctrl_ext, swsm;
-
- /* Let firmware know the driver has taken over */
- if (hw->mac.type == e1000_82573) {
- swsm = E1000_READ_REG(hw, E1000_SWSM);
- E1000_WRITE_REG(hw, E1000_SWSM, swsm | E1000_SWSM_DRV_LOAD);
-
- } else {
- ctrl_ext = E1000_READ_REG(hw, E1000_CTRL_EXT);
- E1000_WRITE_REG(hw, E1000_CTRL_EXT,
- ctrl_ext | E1000_CTRL_EXT_DRV_LOAD);
- }
-}
-
-/*
- * em_hw_control_release resets {CTRL_EXTT|FWSM}:DRV_LOAD bit.
- * For ASF and Pass Through versions of f/w this means that the
- * driver is no longer loaded. For AMT versions of the
- * f/w this means that the network i/f is closed.
- */
-static void
-em_hw_control_release(struct e1000_hw *hw)
-{
- uint32_t ctrl_ext, swsm;
-
- /* Let firmware taken over control of h/w */
- if (hw->mac.type == e1000_82573) {
- swsm = E1000_READ_REG(hw, E1000_SWSM);
- E1000_WRITE_REG(hw, E1000_SWSM, swsm & ~E1000_SWSM_DRV_LOAD);
- } else {
- ctrl_ext = E1000_READ_REG(hw, E1000_CTRL_EXT);
- E1000_WRITE_REG(hw, E1000_CTRL_EXT,
- ctrl_ext & ~E1000_CTRL_EXT_DRV_LOAD);
- }
-}
-
-/*
- * Bit of a misnomer, what this really means is
- * to enable OS management of the system... aka
- * to disable special hardware management features.
- */
-static void
-em_init_manageability(struct e1000_hw *hw)
-{
- if (e1000_enable_mng_pass_thru(hw)) {
- uint32_t manc2h = E1000_READ_REG(hw, E1000_MANC2H);
- uint32_t manc = E1000_READ_REG(hw, E1000_MANC);
-
- /* disable hardware interception of ARP */
- manc &= ~(E1000_MANC_ARP_EN);
-
- /* enable receiving management packets to the host */
- manc |= E1000_MANC_EN_MNG2HOST;
- manc2h |= 1 << 5; /* Mng Port 623 */
- manc2h |= 1 << 6; /* Mng Port 664 */
- E1000_WRITE_REG(hw, E1000_MANC2H, manc2h);
- E1000_WRITE_REG(hw, E1000_MANC, manc);
- }
-}
-
-/*
- * Give control back to hardware management
- * controller if there is one.
- */
-static void
-em_release_manageability(struct e1000_hw *hw)
-{
- uint32_t manc;
-
- if (e1000_enable_mng_pass_thru(hw)) {
- manc = E1000_READ_REG(hw, E1000_MANC);
-
- /* re-enable hardware interception of ARP */
- manc |= E1000_MANC_ARP_EN;
- manc &= ~E1000_MANC_EN_MNG2HOST;
-
- E1000_WRITE_REG(hw, E1000_MANC, manc);
- }
-}
-
-static void
-eth_em_promiscuous_enable(struct rte_eth_dev *dev)
-{
- struct e1000_hw *hw =
- E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
- uint32_t rctl;
-
- rctl = E1000_READ_REG(hw, E1000_RCTL);
- rctl |= (E1000_RCTL_UPE | E1000_RCTL_MPE);
- E1000_WRITE_REG(hw, E1000_RCTL, rctl);
-}
-
-static void
-eth_em_promiscuous_disable(struct rte_eth_dev *dev)
-{
- struct e1000_hw *hw =
- E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
- uint32_t rctl;
-
- rctl = E1000_READ_REG(hw, E1000_RCTL);
- rctl &= ~(E1000_RCTL_UPE | E1000_RCTL_SBP);
- if (dev->data->all_multicast == 1)
- rctl |= E1000_RCTL_MPE;
- else
- rctl &= (~E1000_RCTL_MPE);
- E1000_WRITE_REG(hw, E1000_RCTL, rctl);
-}
-
-static void
-eth_em_allmulticast_enable(struct rte_eth_dev *dev)
-{
- struct e1000_hw *hw =
- E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
- uint32_t rctl;
-
- rctl = E1000_READ_REG(hw, E1000_RCTL);
- rctl |= E1000_RCTL_MPE;
- E1000_WRITE_REG(hw, E1000_RCTL, rctl);
-}
-
-static void
-eth_em_allmulticast_disable(struct rte_eth_dev *dev)
-{
- struct e1000_hw *hw =
- E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
- uint32_t rctl;
-
- if (dev->data->promiscuous == 1)
- return; /* must remain in all_multicast mode */
- rctl = E1000_READ_REG(hw, E1000_RCTL);
- rctl &= (~E1000_RCTL_MPE);
- E1000_WRITE_REG(hw, E1000_RCTL, rctl);
-}
-
-static int
-eth_em_vlan_filter_set(struct rte_eth_dev *dev, uint16_t vlan_id, int on)
-{
- struct e1000_hw *hw =
- E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
- struct e1000_vfta * shadow_vfta =
- E1000_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 >> E1000_VFTA_ENTRY_SHIFT) &
- E1000_VFTA_ENTRY_MASK);
- vid_bit = (uint32_t) (1 << (vlan_id & E1000_VFTA_ENTRY_BIT_SHIFT_MASK));
- vfta = E1000_READ_REG_ARRAY(hw, E1000_VFTA, vid_idx);
- if (on)
- vfta |= vid_bit;
- else
- vfta &= ~vid_bit;
- E1000_WRITE_REG_ARRAY(hw, E1000_VFTA, vid_idx, vfta);
-
- /* update local VFTA copy */
- shadow_vfta->vfta[vid_idx] = vfta;
-
- return 0;
-}
-
-static void
-em_vlan_hw_filter_disable(struct rte_eth_dev *dev)
-{
- struct e1000_hw *hw =
- E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
- uint32_t reg;
-
- /* Filter Table Disable */
- reg = E1000_READ_REG(hw, E1000_RCTL);
- reg &= ~E1000_RCTL_CFIEN;
- reg &= ~E1000_RCTL_VFE;
- E1000_WRITE_REG(hw, E1000_RCTL, reg);
-}
-
-static void
-em_vlan_hw_filter_enable(struct rte_eth_dev *dev)
-{
- struct e1000_hw *hw =
- E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
- struct e1000_vfta * shadow_vfta =
- E1000_DEV_PRIVATE_TO_VFTA(dev->data->dev_private);
- uint32_t reg;
- int i;
-
- /* Filter Table Enable, CFI not used for packet acceptance */
- reg = E1000_READ_REG(hw, E1000_RCTL);
- reg &= ~E1000_RCTL_CFIEN;
- reg |= E1000_RCTL_VFE;
- E1000_WRITE_REG(hw, E1000_RCTL, reg);
-
- /* restore vfta from local copy */
- for (i = 0; i < IGB_VFTA_SIZE; i++)
- E1000_WRITE_REG_ARRAY(hw, E1000_VFTA, i, shadow_vfta->vfta[i]);
-}
-
-static void
-em_vlan_hw_strip_disable(struct rte_eth_dev *dev)
-{
- struct e1000_hw *hw =
- E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
- uint32_t reg;
-
- /* VLAN Mode Disable */
- reg = E1000_READ_REG(hw, E1000_CTRL);
- reg &= ~E1000_CTRL_VME;
- E1000_WRITE_REG(hw, E1000_CTRL, reg);
-
-}
-
-static void
-em_vlan_hw_strip_enable(struct rte_eth_dev *dev)
-{
- struct e1000_hw *hw =
- E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
- uint32_t reg;
-
- /* VLAN Mode Enable */
- reg = E1000_READ_REG(hw, E1000_CTRL);
- reg |= E1000_CTRL_VME;
- E1000_WRITE_REG(hw, E1000_CTRL, reg);
-}
-
-static void
-eth_em_vlan_offload_set(struct rte_eth_dev *dev, int mask)
-{
- if(mask & ETH_VLAN_STRIP_MASK){
- if (dev->data->dev_conf.rxmode.hw_vlan_strip)
- em_vlan_hw_strip_enable(dev);
- else
- em_vlan_hw_strip_disable(dev);
- }
-
- if(mask & ETH_VLAN_FILTER_MASK){
- if (dev->data->dev_conf.rxmode.hw_vlan_filter)
- em_vlan_hw_filter_enable(dev);
- else
- em_vlan_hw_filter_disable(dev);
- }
-}
-
-/*
- * It enables the interrupt mask and then enable the interrupt.
- *
- * @param dev
- * Pointer to struct rte_eth_dev.
- *
- * @return
- * - On success, zero.
- * - On failure, a negative value.
- */
-static int
-eth_em_interrupt_setup(struct rte_eth_dev *dev)
-{
- uint32_t regval;
- struct e1000_hw *hw =
- E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
-
- /* clear interrupt */
- E1000_READ_REG(hw, E1000_ICR);
- regval = E1000_READ_REG(hw, E1000_IMS);
- E1000_WRITE_REG(hw, E1000_IMS, regval | E1000_ICR_LSC);
- 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
-eth_em_rxq_interrupt_setup(struct rte_eth_dev *dev)
-{
- struct e1000_hw *hw =
- E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
-
- E1000_READ_REG(hw, E1000_ICR);
- em_rxq_intr_enable(hw);
- return 0;
-}
-
-/*
- * It enable receive packet interrupt.
- * @param hw
- * Pointer to struct e1000_hw
- *
- * @return
- */
-static void
-em_rxq_intr_enable(struct e1000_hw *hw)
-{
- E1000_WRITE_REG(hw, E1000_IMS, E1000_IMS_RXT0);
- E1000_WRITE_FLUSH(hw);
-}
-
-/*
- * It disabled lsc interrupt.
- * @param hw
- * Pointer to struct e1000_hw
- *
- * @return
- */
-static void
-em_lsc_intr_disable(struct e1000_hw *hw)
-{
- E1000_WRITE_REG(hw, E1000_IMC, E1000_IMS_LSC);
- E1000_WRITE_FLUSH(hw);
-}
-
-/*
- * It disabled receive packet interrupt.
- * @param hw
- * Pointer to struct e1000_hw
- *
- * @return
- */
-static void
-em_rxq_intr_disable(struct e1000_hw *hw)
-{
- E1000_READ_REG(hw, E1000_ICR);
- E1000_WRITE_REG(hw, E1000_IMC, E1000_IMS_RXT0);
- E1000_WRITE_FLUSH(hw);
-}
-
-/*
- * It reads ICR and gets interrupt causes, check it and set a bit flag
- * to update link status.
- *
- * @param dev
- * Pointer to struct rte_eth_dev.
- *
- * @return
- * - On success, zero.
- * - On failure, a negative value.
- */
-static int
-eth_em_interrupt_get_status(struct rte_eth_dev *dev)
-{
- uint32_t icr;
- struct e1000_hw *hw =
- E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
- struct e1000_interrupt *intr =
- E1000_DEV_PRIVATE_TO_INTR(dev->data->dev_private);
-
- /* read-on-clear nic registers here */
- icr = E1000_READ_REG(hw, E1000_ICR);
- if (icr & E1000_ICR_LSC) {
- intr->flags |= E1000_FLAG_NEED_LINK_UPDATE;
- }
-
- return 0;
-}
-
-/*
- * It executes link_update after knowing an interrupt is prsent.
- *
- * @param dev
- * Pointer to struct rte_eth_dev.
- *
- * @return
- * - On success, zero.
- * - On failure, a negative value.
- */
-static int
-eth_em_interrupt_action(struct rte_eth_dev *dev)
-{
- struct e1000_hw *hw =
- E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
- struct e1000_interrupt *intr =
- E1000_DEV_PRIVATE_TO_INTR(dev->data->dev_private);
- uint32_t tctl, rctl;
- struct rte_eth_link link;
- int ret;
-
- if (!(intr->flags & E1000_FLAG_NEED_LINK_UPDATE))
- return -1;
-
- intr->flags &= ~E1000_FLAG_NEED_LINK_UPDATE;
- rte_intr_enable(&(dev->pci_dev->intr_handle));
-
- /* set get_link_status to check register later */
- hw->mac.get_link_status = 1;
- ret = eth_em_link_update(dev, 0);
-
- /* check if link has changed */
- if (ret < 0)
- return 0;
-
- memset(&link, 0, sizeof(link));
- rte_em_dev_atomic_read_link_status(dev, &link);
- if (link.link_status) {
- PMD_INIT_LOG(INFO, " Port %d: Link Up - speed %u Mbps - %s",
- 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", dev->data->port_id);
- }
- PMD_INIT_LOG(DEBUG, "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);
-
- tctl = E1000_READ_REG(hw, E1000_TCTL);
- rctl = E1000_READ_REG(hw, E1000_RCTL);
- if (link.link_status) {
- /* enable Tx/Rx */
- tctl |= E1000_TCTL_EN;
- rctl |= E1000_RCTL_EN;
- } else {
- /* disable Tx/Rx */
- tctl &= ~E1000_TCTL_EN;
- rctl &= ~E1000_RCTL_EN;
- }
- E1000_WRITE_REG(hw, E1000_TCTL, tctl);
- E1000_WRITE_REG(hw, E1000_RCTL, rctl);
- E1000_WRITE_FLUSH(hw);
-
- return 0;
-}
-
-/**
- * Interrupt handler which shall be registered at first.
- *
- * @param handle
- * Pointer to interrupt handle.
- * @param param
- * The address of parameter (struct rte_eth_dev *) regsitered before.
- *
- * @return
- * void
- */
-static void
-eth_em_interrupt_handler(__rte_unused struct rte_intr_handle *handle,
- void *param)
-{
- struct rte_eth_dev *dev = (struct rte_eth_dev *)param;
-
- eth_em_interrupt_get_status(dev);
- eth_em_interrupt_action(dev);
- _rte_eth_dev_callback_process(dev, RTE_ETH_EVENT_INTR_LSC);
-}
-
-static int
-eth_em_led_on(struct rte_eth_dev *dev)
-{
- struct e1000_hw *hw;
-
- hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
- return (e1000_led_on(hw) == E1000_SUCCESS ? 0 : -ENOTSUP);
-}
-
-static int
-eth_em_led_off(struct rte_eth_dev *dev)
-{
- struct e1000_hw *hw;
-
- hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
- return (e1000_led_off(hw) == E1000_SUCCESS ? 0 : -ENOTSUP);
-}
-
-static int
-eth_em_flow_ctrl_get(struct rte_eth_dev *dev, struct rte_eth_fc_conf *fc_conf)
-{
- struct e1000_hw *hw;
- uint32_t ctrl;
- int tx_pause;
- int rx_pause;
-
- hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
- fc_conf->pause_time = hw->fc.pause_time;
- fc_conf->high_water = hw->fc.high_water;
- fc_conf->low_water = hw->fc.low_water;
- fc_conf->send_xon = hw->fc.send_xon;
- fc_conf->autoneg = hw->mac.autoneg;
-
- /*
- * Return rx_pause and tx_pause status according to actual setting of
- * the TFCE and RFCE bits in the CTRL register.
- */
- ctrl = E1000_READ_REG(hw, E1000_CTRL);
- if (ctrl & E1000_CTRL_TFCE)
- tx_pause = 1;
- else
- tx_pause = 0;
-
- if (ctrl & E1000_CTRL_RFCE)
- rx_pause = 1;
- else
- rx_pause = 0;
-
- if (rx_pause && tx_pause)
- fc_conf->mode = RTE_FC_FULL;
- else if (rx_pause)
- fc_conf->mode = RTE_FC_RX_PAUSE;
- else if (tx_pause)
- fc_conf->mode = RTE_FC_TX_PAUSE;
- else
- fc_conf->mode = RTE_FC_NONE;
-
- return 0;
-}
-
-static int
-eth_em_flow_ctrl_set(struct rte_eth_dev *dev, struct rte_eth_fc_conf *fc_conf)
-{
- struct e1000_hw *hw;
- int err;
- enum e1000_fc_mode rte_fcmode_2_e1000_fcmode[] = {
- e1000_fc_none,
- e1000_fc_rx_pause,
- e1000_fc_tx_pause,
- e1000_fc_full
- };
- uint32_t rx_buf_size;
- uint32_t max_high_water;
- uint32_t rctl;
-
- hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
- if (fc_conf->autoneg != hw->mac.autoneg)
- return -ENOTSUP;
- rx_buf_size = em_get_rx_buffer_size(hw);
- PMD_INIT_LOG(DEBUG, "Rx packet buffer size = 0x%x", rx_buf_size);
-
- /* At least reserve one Ethernet frame for watermark */
- max_high_water = rx_buf_size - ETHER_MAX_LEN;
- if ((fc_conf->high_water > max_high_water) ||
- (fc_conf->high_water < fc_conf->low_water)) {
- PMD_INIT_LOG(ERR, "e1000 incorrect high/low water value");
- PMD_INIT_LOG(ERR, "high water must <= 0x%x", max_high_water);
- return (-EINVAL);
- }
-
- hw->fc.requested_mode = rte_fcmode_2_e1000_fcmode[fc_conf->mode];
- hw->fc.pause_time = fc_conf->pause_time;
- hw->fc.high_water = fc_conf->high_water;
- hw->fc.low_water = fc_conf->low_water;
- hw->fc.send_xon = fc_conf->send_xon;
-
- err = e1000_setup_link_generic(hw);
- if (err == E1000_SUCCESS) {
-
- /* check if we want to forward MAC frames - driver doesn't have native
- * capability to do that, so we'll write the registers ourselves */
-
- rctl = E1000_READ_REG(hw, E1000_RCTL);
-
- /* set or clear MFLCN.PMCF bit depending on configuration */
- if (fc_conf->mac_ctrl_frame_fwd != 0)
- rctl |= E1000_RCTL_PMCF;
- else
- rctl &= ~E1000_RCTL_PMCF;
-
- E1000_WRITE_REG(hw, E1000_RCTL, rctl);
- E1000_WRITE_FLUSH(hw);
-
- return 0;
- }
-
- PMD_INIT_LOG(ERR, "e1000_setup_link_generic = 0x%x", err);
- return (-EIO);
-}
-
-static void
-eth_em_rar_set(struct rte_eth_dev *dev, struct ether_addr *mac_addr,
- uint32_t index, __rte_unused uint32_t pool)
-{
- struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
-
- e1000_rar_set(hw, mac_addr->addr_bytes, index);
-}
-
-static void
-eth_em_rar_clear(struct rte_eth_dev *dev, uint32_t index)
-{
- uint8_t addr[ETHER_ADDR_LEN];
- struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
-
- memset(addr, 0, sizeof(addr));
-
- e1000_rar_set(hw, addr, index);
-}
-
-static int
-eth_em_mtu_set(struct rte_eth_dev *dev, uint16_t mtu)
-{
- struct rte_eth_dev_info dev_info;
- struct e1000_hw *hw;
- uint32_t frame_size;
- uint32_t rctl;
-
- eth_em_infos_get(dev, &dev_info);
- frame_size = mtu + ETHER_HDR_LEN + ETHER_CRC_LEN + VLAN_TAG_SIZE;
-
- /* check that mtu is within the allowed range */
- if ((mtu < ETHER_MIN_MTU) || (frame_size > dev_info.max_rx_pktlen))
- return -EINVAL;
-
- /* refuse mtu that requires the support of scattered packets when this
- * feature has not been enabled before. */
- if (!dev->data->scattered_rx &&
- frame_size > dev->data->min_rx_buf_size - RTE_PKTMBUF_HEADROOM)
- return -EINVAL;
-
- hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
- rctl = E1000_READ_REG(hw, E1000_RCTL);
-
- /* switch to jumbo mode if needed */
- if (frame_size > ETHER_MAX_LEN) {
- dev->data->dev_conf.rxmode.jumbo_frame = 1;
- rctl |= E1000_RCTL_LPE;
- } else {
- dev->data->dev_conf.rxmode.jumbo_frame = 0;
- rctl &= ~E1000_RCTL_LPE;
- }
- E1000_WRITE_REG(hw, E1000_RCTL, rctl);
-
- /* update max frame size */
- dev->data->dev_conf.rxmode.max_rx_pkt_len = frame_size;
- return 0;
-}
-
-static int
-eth_em_set_mc_addr_list(struct rte_eth_dev *dev,
- struct ether_addr *mc_addr_set,
- uint32_t nb_mc_addr)
-{
- struct e1000_hw *hw;
-
- hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
- e1000_update_mc_addr_list(hw, (u8 *)mc_addr_set, nb_mc_addr);
- return 0;
-}
-
-struct rte_driver em_pmd_drv = {
- .type = PMD_PDEV,
- .init = rte_em_pmd_init,
-};
-
-PMD_REGISTER_DRIVER(em_pmd_drv);