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/******************************************************************************
Copyright (c) 2001-2015, Intel Corporation
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice,
this list of conditions and the following disclaimer.
2. 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.
3. Neither the name of the 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.
******************************************************************************/
/*$FreeBSD$*/
#ifndef IXGBE_STANDALONE_BUILD
#include "opt_inet.h"
#include "opt_inet6.h"
#include "opt_rss.h"
#endif
#include "ixgbe.h"
#ifdef RSS
#include <netinet/in_rss.h>
#endif
/*********************************************************************
* Set this to one to display debug statistics
*********************************************************************/
int ixgbe_display_debug_stats = 0;
/*********************************************************************
* Driver version
*********************************************************************/
char ixgbe_driver_version[] = "2.7.4";
/*********************************************************************
* PCI Device ID Table
*
* Used by probe to select devices to load on
* Last field stores an index into ixgbe_strings
* Last entry must be all 0s
*
* { Vendor ID, Device ID, SubVendor ID, SubDevice ID, String Index }
*********************************************************************/
static ixgbe_vendor_info_t ixgbe_vendor_info_array[] =
{
{IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82598AF_DUAL_PORT, 0, 0, 0},
{IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82598AF_SINGLE_PORT, 0, 0, 0},
{IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82598EB_CX4, 0, 0, 0},
{IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82598AT, 0, 0, 0},
{IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82598AT2, 0, 0, 0},
{IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82598, 0, 0, 0},
{IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82598_DA_DUAL_PORT, 0, 0, 0},
{IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82598_CX4_DUAL_PORT, 0, 0, 0},
{IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82598EB_XF_LR, 0, 0, 0},
{IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82598_SR_DUAL_PORT_EM, 0, 0, 0},
{IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82598EB_SFP_LOM, 0, 0, 0},
{IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_KX4, 0, 0, 0},
{IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_KX4_MEZZ, 0, 0, 0},
{IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_SFP, 0, 0, 0},
{IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_XAUI_LOM, 0, 0, 0},
{IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_CX4, 0, 0, 0},
{IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_T3_LOM, 0, 0, 0},
{IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_COMBO_BACKPLANE, 0, 0, 0},
{IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_BACKPLANE_FCOE, 0, 0, 0},
{IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_SFP_SF2, 0, 0, 0},
{IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_SFP_FCOE, 0, 0, 0},
{IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599EN_SFP, 0, 0, 0},
{IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_SFP_SF_QP, 0, 0, 0},
{IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_QSFP_SF_QP, 0, 0, 0},
{IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X540T, 0, 0, 0},
{IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X540T1, 0, 0, 0},
{IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550T, 0, 0, 0},
{IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550EM_X_KR, 0, 0, 0},
{IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550EM_X_KX4, 0, 0, 0},
{IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550EM_X_10G_T, 0, 0, 0},
/* required last entry */
{0, 0, 0, 0, 0}
};
/*********************************************************************
* Table of branding strings
*********************************************************************/
static char *ixgbe_strings[] = {
"Intel(R) PRO/10GbE PCI-Express Network Driver"
};
/*********************************************************************
* Function prototypes
*********************************************************************/
static int ixgbe_probe(device_t);
static int ixgbe_attach(device_t);
static int ixgbe_detach(device_t);
static int ixgbe_shutdown(device_t);
static int ixgbe_ioctl(struct ifnet *, u_long, caddr_t);
static void ixgbe_init(void *);
static void ixgbe_init_locked(struct adapter *);
static void ixgbe_stop(void *);
#if __FreeBSD_version >= 1100036
static uint64_t ixgbe_get_counter(struct ifnet *, ift_counter);
#endif
static void ixgbe_add_media_types(struct adapter *);
static void ixgbe_media_status(struct ifnet *, struct ifmediareq *);
static int ixgbe_media_change(struct ifnet *);
static void ixgbe_identify_hardware(struct adapter *);
static int ixgbe_allocate_pci_resources(struct adapter *);
static void ixgbe_get_slot_info(struct ixgbe_hw *);
static int ixgbe_allocate_msix(struct adapter *);
static int ixgbe_allocate_legacy(struct adapter *);
static int ixgbe_setup_msix(struct adapter *);
static void ixgbe_free_pci_resources(struct adapter *);
static void ixgbe_local_timer(void *);
static int ixgbe_setup_interface(device_t, struct adapter *);
static void ixgbe_config_link(struct adapter *);
static void ixgbe_rearm_queues(struct adapter *, u64);
static void ixgbe_initialize_transmit_units(struct adapter *);
static void ixgbe_initialize_receive_units(struct adapter *);
static void ixgbe_enable_rx_drop(struct adapter *);
static void ixgbe_disable_rx_drop(struct adapter *);
static void ixgbe_enable_intr(struct adapter *);
static void ixgbe_disable_intr(struct adapter *);
static void ixgbe_update_stats_counters(struct adapter *);
static void ixgbe_set_promisc(struct adapter *);
static void ixgbe_set_multi(struct adapter *);
static void ixgbe_update_link_status(struct adapter *);
static int ixgbe_set_flowcntl(SYSCTL_HANDLER_ARGS);
static int ixgbe_set_advertise(SYSCTL_HANDLER_ARGS);
static int ixgbe_set_thermal_test(SYSCTL_HANDLER_ARGS);
static void ixgbe_set_ivar(struct adapter *, u8, u8, s8);
static void ixgbe_configure_ivars(struct adapter *);
static u8 * ixgbe_mc_array_itr(struct ixgbe_hw *, u8 **, u32 *);
static void ixgbe_setup_vlan_hw_support(struct adapter *);
static void ixgbe_register_vlan(void *, struct ifnet *, u16);
static void ixgbe_unregister_vlan(void *, struct ifnet *, u16);
static void ixgbe_add_hw_stats(struct adapter *adapter);
/* Support for pluggable optic modules */
static bool ixgbe_sfp_probe(struct adapter *);
static void ixgbe_setup_optics(struct adapter *);
/* Legacy (single vector interrupt handler */
static void ixgbe_legacy_irq(void *);
/* The MSI/X Interrupt handlers */
static void ixgbe_msix_que(void *);
static void ixgbe_msix_link(void *);
/* Deferred interrupt tasklets */
static void ixgbe_handle_que(void *, int);
static void ixgbe_handle_link(void *, int);
static void ixgbe_handle_msf(void *, int);
static void ixgbe_handle_mod(void *, int);
#ifdef IXGBE_FDIR
static void ixgbe_reinit_fdir(void *, int);
#endif
/* Missing shared code prototype */
extern void ixgbe_stop_mac_link_on_d3_82599(struct ixgbe_hw *hw);
/*********************************************************************
* FreeBSD Device Interface Entry Points
*********************************************************************/
static device_method_t ixgbe_methods[] = {
/* Device interface */
DEVMETHOD(device_probe, ixgbe_probe),
DEVMETHOD(device_attach, ixgbe_attach),
DEVMETHOD(device_detach, ixgbe_detach),
DEVMETHOD(device_shutdown, ixgbe_shutdown),
DEVMETHOD_END
};
static driver_t ixgbe_driver = {
"ix", ixgbe_methods, sizeof(struct adapter),
};
devclass_t ixgbe_devclass;
DRIVER_MODULE(ixgbe, pci, ixgbe_driver, ixgbe_devclass, 0, 0);
MODULE_DEPEND(ixgbe, pci, 1, 1, 1);
MODULE_DEPEND(ixgbe, ether, 1, 1, 1);
/*
** TUNEABLE PARAMETERS:
*/
static SYSCTL_NODE(_hw, OID_AUTO, ix, CTLFLAG_RD, 0,
"IXGBE driver parameters");
/*
** AIM: Adaptive Interrupt Moderation
** which means that the interrupt rate
** is varied over time based on the
** traffic for that interrupt vector
*/
static int ixgbe_enable_aim = TRUE;
SYSCTL_INT(_hw_ix, OID_AUTO, enable_aim, CTLFLAG_RWTUN, &ixgbe_enable_aim, 0,
"Enable adaptive interrupt moderation");
static int ixgbe_max_interrupt_rate = (4000000 / IXGBE_LOW_LATENCY);
SYSCTL_INT(_hw_ix, OID_AUTO, max_interrupt_rate, CTLFLAG_RDTUN,
&ixgbe_max_interrupt_rate, 0, "Maximum interrupts per second");
/* How many packets rxeof tries to clean at a time */
static int ixgbe_rx_process_limit = 256;
TUNABLE_INT("hw.ixgbe.rx_process_limit", &ixgbe_rx_process_limit);
SYSCTL_INT(_hw_ix, OID_AUTO, rx_process_limit, CTLFLAG_RDTUN,
&ixgbe_rx_process_limit, 0,
"Maximum number of received packets to process at a time,"
"-1 means unlimited");
/* How many packets txeof tries to clean at a time */
static int ixgbe_tx_process_limit = 256;
TUNABLE_INT("hw.ixgbe.tx_process_limit", &ixgbe_tx_process_limit);
SYSCTL_INT(_hw_ix, OID_AUTO, tx_process_limit, CTLFLAG_RDTUN,
&ixgbe_tx_process_limit, 0,
"Maximum number of sent packets to process at a time,"
"-1 means unlimited");
/*
** Smart speed setting, default to on
** this only works as a compile option
** right now as its during attach, set
** this to 'ixgbe_smart_speed_off' to
** disable.
*/
static int ixgbe_smart_speed = ixgbe_smart_speed_on;
/*
* MSIX should be the default for best performance,
* but this allows it to be forced off for testing.
*/
static int ixgbe_enable_msix = 1;
SYSCTL_INT(_hw_ix, OID_AUTO, enable_msix, CTLFLAG_RDTUN, &ixgbe_enable_msix, 0,
"Enable MSI-X interrupts");
/*
* Number of Queues, can be set to 0,
* it then autoconfigures based on the
* number of cpus with a max of 8. This
* can be overriden manually here.
*/
static int ixgbe_num_queues = 0;
SYSCTL_INT(_hw_ix, OID_AUTO, num_queues, CTLFLAG_RDTUN, &ixgbe_num_queues, 0,
"Number of queues to configure, 0 indicates autoconfigure");
/*
** Number of TX descriptors per ring,
** setting higher than RX as this seems
** the better performing choice.
*/
static int ixgbe_txd = PERFORM_TXD;
SYSCTL_INT(_hw_ix, OID_AUTO, txd, CTLFLAG_RDTUN, &ixgbe_txd, 0,
"Number of transmit descriptors per queue");
/* Number of RX descriptors per ring */
static int ixgbe_rxd = PERFORM_RXD;
SYSCTL_INT(_hw_ix, OID_AUTO, rxd, CTLFLAG_RDTUN, &ixgbe_rxd, 0,
"Number of receive descriptors per queue");
/*
** Defining this on will allow the use
** of unsupported SFP+ modules, note that
** doing so you are on your own :)
*/
static int allow_unsupported_sfp = FALSE;
TUNABLE_INT("hw.ix.unsupported_sfp", &allow_unsupported_sfp);
/* Keep running tab on them for sanity check */
static int ixgbe_total_ports;
#ifdef IXGBE_FDIR
/*
** Flow Director actually 'steals'
** part of the packet buffer as its
** filter pool, this variable controls
** how much it uses:
** 0 = 64K, 1 = 128K, 2 = 256K
*/
static int fdir_pballoc = 1;
#endif
#ifdef DEV_NETMAP
/*
* The #ifdef DEV_NETMAP / #endif blocks in this file are meant to
* be a reference on how to implement netmap support in a driver.
* Additional comments are in ixgbe_netmap.h .
*
* <dev/netmap/ixgbe_netmap.h> contains functions for netmap support
* that extend the standard driver.
*/
#include <dev/netmap/ixgbe_netmap.h>
#endif /* DEV_NETMAP */
/*********************************************************************
* Device identification routine
*
* ixgbe_probe determines if the driver should be loaded on
* adapter based on PCI vendor/device id of the adapter.
*
* return BUS_PROBE_DEFAULT on success, positive on failure
*********************************************************************/
static int
ixgbe_probe(device_t dev)
{
ixgbe_vendor_info_t *ent;
u16 pci_vendor_id = 0;
u16 pci_device_id = 0;
u16 pci_subvendor_id = 0;
u16 pci_subdevice_id = 0;
char adapter_name[256];
INIT_DEBUGOUT("ixgbe_probe: begin");
pci_vendor_id = pci_get_vendor(dev);
if (pci_vendor_id != IXGBE_INTEL_VENDOR_ID)
return (ENXIO);
pci_device_id = pci_get_device(dev);
pci_subvendor_id = pci_get_subvendor(dev);
pci_subdevice_id = pci_get_subdevice(dev);
ent = ixgbe_vendor_info_array;
while (ent->vendor_id != 0) {
if ((pci_vendor_id == ent->vendor_id) &&
(pci_device_id == ent->device_id) &&
((pci_subvendor_id == ent->subvendor_id) ||
(ent->subvendor_id == 0)) &&
((pci_subdevice_id == ent->subdevice_id) ||
(ent->subdevice_id == 0))) {
sprintf(adapter_name, "%s, Version - %s",
ixgbe_strings[ent->index],
ixgbe_driver_version);
device_set_desc_copy(dev, adapter_name);
++ixgbe_total_ports;
return (BUS_PROBE_DEFAULT);
}
ent++;
}
return (ENXIO);
}
/*********************************************************************
* Device initialization routine
*
* The attach entry point is called when the driver is being loaded.
* This routine identifies the type of hardware, allocates all resources
* and initializes the hardware.
*
* return 0 on success, positive on failure
*********************************************************************/
static int
ixgbe_attach(device_t dev)
{
struct adapter *adapter;
struct ixgbe_hw *hw;
int error = 0;
u16 csum;
u32 ctrl_ext;
INIT_DEBUGOUT("ixgbe_attach: begin");
/* Allocate, clear, and link in our adapter structure */
adapter = device_get_softc(dev);
adapter->dev = adapter->osdep.dev = dev;
hw = &adapter->hw;
/* Core Lock Init*/
IXGBE_CORE_LOCK_INIT(adapter, device_get_nameunit(dev));
/* SYSCTL APIs */
SYSCTL_ADD_PROC(device_get_sysctl_ctx(dev),
SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
OID_AUTO, "fc", CTLTYPE_INT | CTLFLAG_RW,
adapter, 0, ixgbe_set_flowcntl, "I", IXGBE_SYSCTL_DESC_SET_FC);
SYSCTL_ADD_INT(device_get_sysctl_ctx(dev),
SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
OID_AUTO, "enable_aim", CTLFLAG_RW,
&ixgbe_enable_aim, 1, "Interrupt Moderation");
/*
** Allow a kind of speed control by forcing the autoneg
** advertised speed list to only a certain value, this
** supports 1G on 82599 devices, and 100Mb on x540.
*/
SYSCTL_ADD_PROC(device_get_sysctl_ctx(dev),
SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
OID_AUTO, "advertise_speed", CTLTYPE_INT | CTLFLAG_RW,
adapter, 0, ixgbe_set_advertise, "I", IXGBE_SYSCTL_DESC_ADV_SPEED);
SYSCTL_ADD_PROC(device_get_sysctl_ctx(dev),
SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
OID_AUTO, "ts", CTLTYPE_INT | CTLFLAG_RW, adapter,
0, ixgbe_set_thermal_test, "I", "Thermal Test");
/* Set up the timer callout */
callout_init_mtx(&adapter->timer, &adapter->core_mtx, 0);
/* Determine hardware revision */
ixgbe_identify_hardware(adapter);
/* Do base PCI setup - map BAR0 */
if (ixgbe_allocate_pci_resources(adapter)) {
device_printf(dev, "Allocation of PCI resources failed\n");
error = ENXIO;
goto err_out;
}
/* Do descriptor calc and sanity checks */
if (((ixgbe_txd * sizeof(union ixgbe_adv_tx_desc)) % DBA_ALIGN) != 0 ||
ixgbe_txd < MIN_TXD || ixgbe_txd > MAX_TXD) {
device_printf(dev, "TXD config issue, using default!\n");
adapter->num_tx_desc = DEFAULT_TXD;
} else
adapter->num_tx_desc = ixgbe_txd;
/*
** With many RX rings it is easy to exceed the
** system mbuf allocation. Tuning nmbclusters
** can alleviate this.
*/
if (nmbclusters > 0) {
int s;
s = (ixgbe_rxd * adapter->num_queues) * ixgbe_total_ports;
if (s > nmbclusters) {
device_printf(dev, "RX Descriptors exceed "
"system mbuf max, using default instead!\n");
ixgbe_rxd = DEFAULT_RXD;
}
}
if (((ixgbe_rxd * sizeof(union ixgbe_adv_rx_desc)) % DBA_ALIGN) != 0 ||
ixgbe_rxd < MIN_RXD || ixgbe_rxd > MAX_RXD) {
device_printf(dev, "RXD config issue, using default!\n");
adapter->num_rx_desc = DEFAULT_RXD;
} else
adapter->num_rx_desc = ixgbe_rxd;
/* Allocate our TX/RX Queues */
if (ixgbe_allocate_queues(adapter)) {
error = ENOMEM;
goto err_out;
}
/* Allocate multicast array memory. */
adapter->mta = malloc(sizeof(u8) * IXGBE_ETH_LENGTH_OF_ADDRESS *
MAX_NUM_MULTICAST_ADDRESSES, M_DEVBUF, M_NOWAIT);
if (adapter->mta == NULL) {
device_printf(dev, "Can not allocate multicast setup array\n");
error = ENOMEM;
goto err_late;
}
/* Initialize the shared code */
hw->allow_unsupported_sfp = allow_unsupported_sfp;
error = ixgbe_init_shared_code(hw);
if (error == IXGBE_ERR_SFP_NOT_PRESENT) {
/*
** No optics in this port, set up
** so the timer routine will probe
** for later insertion.
*/
adapter->sfp_probe = TRUE;
error = 0;
} else if (error == IXGBE_ERR_SFP_NOT_SUPPORTED) {
device_printf(dev,"Unsupported SFP+ module detected!\n");
error = EIO;
goto err_late;
} else if (error) {
device_printf(dev,"Unable to initialize the shared code\n");
error = EIO;
goto err_late;
}
/* Make sure we have a good EEPROM before we read from it */
if (ixgbe_validate_eeprom_checksum(&adapter->hw, &csum) < 0) {
device_printf(dev,"The EEPROM Checksum Is Not Valid\n");
error = EIO;
goto err_late;
}
error = ixgbe_init_hw(hw);
switch (error) {
case IXGBE_ERR_EEPROM_VERSION:
device_printf(dev, "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");
break;
case IXGBE_ERR_SFP_NOT_SUPPORTED:
device_printf(dev,"Unsupported SFP+ Module\n");
error = EIO;
goto err_late;
case IXGBE_ERR_SFP_NOT_PRESENT:
device_printf(dev,"No SFP+ Module found\n");
/* falls thru */
default:
break;
}
/* Detect and set physical type */
ixgbe_setup_optics(adapter);
if ((adapter->msix > 1) && (ixgbe_enable_msix))
error = ixgbe_allocate_msix(adapter);
else
error = ixgbe_allocate_legacy(adapter);
if (error)
goto err_late;
/* Setup OS specific network interface */
if (ixgbe_setup_interface(dev, adapter) != 0)
goto err_late;
/* Initialize statistics */
ixgbe_update_stats_counters(adapter);
/* Register for VLAN events */
adapter->vlan_attach = EVENTHANDLER_REGISTER(vlan_config,
ixgbe_register_vlan, adapter, EVENTHANDLER_PRI_FIRST);
adapter->vlan_detach = EVENTHANDLER_REGISTER(vlan_unconfig,
ixgbe_unregister_vlan, adapter, EVENTHANDLER_PRI_FIRST);
/*
** Check PCIE slot type/speed/width
*/
ixgbe_get_slot_info(hw);
/* Set an initial default flow control value */
adapter->fc = ixgbe_fc_full;
/* 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);
ixgbe_add_hw_stats(adapter);
#ifdef DEV_NETMAP
ixgbe_netmap_attach(adapter);
#endif /* DEV_NETMAP */
INIT_DEBUGOUT("ixgbe_attach: end");
return (0);
err_late:
ixgbe_free_transmit_structures(adapter);
ixgbe_free_receive_structures(adapter);
err_out:
if (adapter->ifp != NULL)
if_free(adapter->ifp);
ixgbe_free_pci_resources(adapter);
free(adapter->mta, M_DEVBUF);
return (error);
}
/*********************************************************************
* Device removal routine
*
* The detach entry point is called when the driver is being removed.
* This routine stops the adapter and deallocates all the resources
* that were allocated for driver operation.
*
* return 0 on success, positive on failure
*********************************************************************/
static int
ixgbe_detach(device_t dev)
{
struct adapter *adapter = device_get_softc(dev);
struct ix_queue *que = adapter->queues;
struct tx_ring *txr = adapter->tx_rings;
u32 ctrl_ext;
INIT_DEBUGOUT("ixgbe_detach: begin");
/* Make sure VLANS are not using driver */
if (adapter->ifp->if_vlantrunk != NULL) {
device_printf(dev,"Vlan in use, detach first\n");
return (EBUSY);
}
IXGBE_CORE_LOCK(adapter);
ixgbe_stop(adapter);
IXGBE_CORE_UNLOCK(adapter);
for (int i = 0; i < adapter->num_queues; i++, que++, txr++) {
if (que->tq) {
#ifndef IXGBE_LEGACY_TX
taskqueue_drain(que->tq, &txr->txq_task);
#endif
taskqueue_drain(que->tq, &que->que_task);
taskqueue_free(que->tq);
}
}
/* Drain the Link queue */
if (adapter->tq) {
taskqueue_drain(adapter->tq, &adapter->link_task);
taskqueue_drain(adapter->tq, &adapter->mod_task);
taskqueue_drain(adapter->tq, &adapter->msf_task);
#ifdef IXGBE_FDIR
taskqueue_drain(adapter->tq, &adapter->fdir_task);
#endif
taskqueue_free(adapter->tq);
}
/* let hardware know driver is unloading */
ctrl_ext = IXGBE_READ_REG(&adapter->hw, IXGBE_CTRL_EXT);
ctrl_ext &= ~IXGBE_CTRL_EXT_DRV_LOAD;
IXGBE_WRITE_REG(&adapter->hw, IXGBE_CTRL_EXT, ctrl_ext);
/* Unregister VLAN events */
if (adapter->vlan_attach != NULL)
EVENTHANDLER_DEREGISTER(vlan_config, adapter->vlan_attach);
if (adapter->vlan_detach != NULL)
EVENTHANDLER_DEREGISTER(vlan_unconfig, adapter->vlan_detach);
ether_ifdetach(adapter->ifp);
callout_drain(&adapter->timer);
#ifdef DEV_NETMAP
netmap_detach(adapter->ifp);
#endif /* DEV_NETMAP */
ixgbe_free_pci_resources(adapter);
bus_generic_detach(dev);
if_free(adapter->ifp);
ixgbe_free_transmit_structures(adapter);
ixgbe_free_receive_structures(adapter);
free(adapter->mta, M_DEVBUF);
IXGBE_CORE_LOCK_DESTROY(adapter);
return (0);
}
/*********************************************************************
*
* Shutdown entry point
*
**********************************************************************/
static int
ixgbe_shutdown(device_t dev)
{
struct adapter *adapter = device_get_softc(dev);
IXGBE_CORE_LOCK(adapter);
ixgbe_stop(adapter);
IXGBE_CORE_UNLOCK(adapter);
return (0);
}
/*********************************************************************
* Ioctl entry point
*
* ixgbe_ioctl is called when the user wants to configure the
* interface.
*
* return 0 on success, positive on failure
**********************************************************************/
static int
ixgbe_ioctl(struct ifnet * ifp, u_long command, caddr_t data)
{
struct adapter *adapter = ifp->if_softc;
struct ifreq *ifr = (struct ifreq *) data;
#if defined(INET) || defined(INET6)
struct ifaddr *ifa = (struct ifaddr *)data;
bool avoid_reset = FALSE;
#endif
int error = 0;
switch (command) {
case SIOCSIFADDR:
#ifdef INET
if (ifa->ifa_addr->sa_family == AF_INET)
avoid_reset = TRUE;
#endif
#ifdef INET6
if (ifa->ifa_addr->sa_family == AF_INET6)
avoid_reset = TRUE;
#endif
#if defined(INET) || defined(INET6)
/*
** Calling init results in link renegotiation,
** so we avoid doing it when possible.
*/
if (avoid_reset) {
ifp->if_flags |= IFF_UP;
if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
ixgbe_init(adapter);
if (!(ifp->if_flags & IFF_NOARP))
arp_ifinit(ifp, ifa);
} else
error = ether_ioctl(ifp, command, data);
#endif
break;
case SIOCSIFMTU:
IOCTL_DEBUGOUT("ioctl: SIOCSIFMTU (Set Interface MTU)");
if (ifr->ifr_mtu > IXGBE_MAX_FRAME_SIZE - ETHER_HDR_LEN) {
error = EINVAL;
} else {
IXGBE_CORE_LOCK(adapter);
ifp->if_mtu = ifr->ifr_mtu;
adapter->max_frame_size =
ifp->if_mtu + ETHER_HDR_LEN + ETHER_CRC_LEN;
ixgbe_init_locked(adapter);
IXGBE_CORE_UNLOCK(adapter);
}
break;
case SIOCSIFFLAGS:
IOCTL_DEBUGOUT("ioctl: SIOCSIFFLAGS (Set Interface Flags)");
IXGBE_CORE_LOCK(adapter);
if (ifp->if_flags & IFF_UP) {
if ((ifp->if_drv_flags & IFF_DRV_RUNNING)) {
if ((ifp->if_flags ^ adapter->if_flags) &
(IFF_PROMISC | IFF_ALLMULTI)) {
ixgbe_set_promisc(adapter);
}
} else
ixgbe_init_locked(adapter);
} else
if (ifp->if_drv_flags & IFF_DRV_RUNNING)
ixgbe_stop(adapter);
adapter->if_flags = ifp->if_flags;
IXGBE_CORE_UNLOCK(adapter);
break;
case SIOCADDMULTI:
case SIOCDELMULTI:
IOCTL_DEBUGOUT("ioctl: SIOC(ADD|DEL)MULTI");
if (ifp->if_drv_flags & IFF_DRV_RUNNING) {
IXGBE_CORE_LOCK(adapter);
ixgbe_disable_intr(adapter);
ixgbe_set_multi(adapter);
ixgbe_enable_intr(adapter);
IXGBE_CORE_UNLOCK(adapter);
}
break;
case SIOCSIFMEDIA:
case SIOCGIFMEDIA:
IOCTL_DEBUGOUT("ioctl: SIOCxIFMEDIA (Get/Set Interface Media)");
error = ifmedia_ioctl(ifp, ifr, &adapter->media, command);
break;
case SIOCSIFCAP:
{
int mask = ifr->ifr_reqcap ^ ifp->if_capenable;
IOCTL_DEBUGOUT("ioctl: SIOCSIFCAP (Set Capabilities)");
if (mask & IFCAP_HWCSUM)
ifp->if_capenable ^= IFCAP_HWCSUM;
if (mask & IFCAP_TSO4)
ifp->if_capenable ^= IFCAP_TSO4;
if (mask & IFCAP_TSO6)
ifp->if_capenable ^= IFCAP_TSO6;
if (mask & IFCAP_LRO)
ifp->if_capenable ^= IFCAP_LRO;
if (mask & IFCAP_VLAN_HWTAGGING)
ifp->if_capenable ^= IFCAP_VLAN_HWTAGGING;
if (mask & IFCAP_VLAN_HWFILTER)
ifp->if_capenable ^= IFCAP_VLAN_HWFILTER;
if (mask & IFCAP_VLAN_HWTSO)
ifp->if_capenable ^= IFCAP_VLAN_HWTSO;
if (ifp->if_drv_flags & IFF_DRV_RUNNING) {
IXGBE_CORE_LOCK(adapter);
ixgbe_init_locked(adapter);
IXGBE_CORE_UNLOCK(adapter);
}
VLAN_CAPABILITIES(ifp);
break;
}
#if __FreeBSD_version >= 1100036
case SIOCGI2C:
{
struct ixgbe_hw *hw = &adapter->hw;
struct ifi2creq i2c;
int i;
IOCTL_DEBUGOUT("ioctl: SIOCGI2C (Get I2C Data)");
error = copyin(ifr->ifr_data, &i2c, sizeof(i2c));
if (error != 0)
break;
if (i2c.dev_addr != 0xA0 && i2c.dev_addr != 0xA2) {
error = EINVAL;
break;
}
if (i2c.len > sizeof(i2c.data)) {
error = EINVAL;
break;
}
for (i = 0; i < i2c.len; i++)
hw->phy.ops.read_i2c_byte(hw, i2c.offset + i,
i2c.dev_addr, &i2c.data[i]);
error = copyout(&i2c, ifr->ifr_data, sizeof(i2c));
break;
}
#endif
default:
IOCTL_DEBUGOUT1("ioctl: UNKNOWN (0x%X)\n", (int)command);
error = ether_ioctl(ifp, command, data);
break;
}
return (error);
}
/*********************************************************************
* Init entry point
*
* This routine is used in two ways. It is used by the stack as
* init entry point in network interface structure. It is also used
* by the driver as a hw/sw initialization routine to get to a
* consistent state.
*
* return 0 on success, positive on failure
**********************************************************************/
#define IXGBE_MHADD_MFS_SHIFT 16
static void
ixgbe_init_locked(struct adapter *adapter)
{
struct ifnet *ifp = adapter->ifp;
device_t dev = adapter->dev;
struct ixgbe_hw *hw = &adapter->hw;
u32 k, txdctl, mhadd, gpie;
u32 rxdctl, rxctrl;
mtx_assert(&adapter->core_mtx, MA_OWNED);
INIT_DEBUGOUT("ixgbe_init_locked: begin");
hw->adapter_stopped = FALSE;
ixgbe_stop_adapter(hw);
callout_stop(&adapter->timer);
/* reprogram the RAR[0] in case user changed it. */
ixgbe_set_rar(hw, 0, adapter->hw.mac.addr, 0, IXGBE_RAH_AV);
/* Get the latest mac address, User can use a LAA */
bcopy(IF_LLADDR(adapter->ifp), hw->mac.addr,
IXGBE_ETH_LENGTH_OF_ADDRESS);
ixgbe_set_rar(hw, 0, hw->mac.addr, 0, 1);
hw->addr_ctrl.rar_used_count = 1;
/* Set the various hardware offload abilities */
ifp->if_hwassist = 0;
if (ifp->if_capenable & IFCAP_TSO)
ifp->if_hwassist |= CSUM_TSO;
if (ifp->if_capenable & IFCAP_TXCSUM) {
ifp->if_hwassist |= (CSUM_TCP | CSUM_UDP);
#if __FreeBSD_version >= 800000
if (hw->mac.type != ixgbe_mac_82598EB)
ifp->if_hwassist |= CSUM_SCTP;
#endif
}
/* Prepare transmit descriptors and buffers */
if (ixgbe_setup_transmit_structures(adapter)) {
device_printf(dev,"Could not setup transmit structures\n");
ixgbe_stop(adapter);
return;
}
ixgbe_init_hw(hw);
ixgbe_initialize_transmit_units(adapter);
/* Setup Multicast table */
ixgbe_set_multi(adapter);
/*
** Determine the correct mbuf pool
** for doing jumbo frames
*/
if (adapter->max_frame_size <= 2048)
adapter->rx_mbuf_sz = MCLBYTES;
else if (adapter->max_frame_size <= 4096)
adapter->rx_mbuf_sz = MJUMPAGESIZE;
else if (adapter->max_frame_size <= 9216)
adapter->rx_mbuf_sz = MJUM9BYTES;
else
adapter->rx_mbuf_sz = MJUM16BYTES;
/* Prepare receive descriptors and buffers */
if (ixgbe_setup_receive_structures(adapter)) {
device_printf(dev,"Could not setup receive structures\n");
ixgbe_stop(adapter);
return;
}
/* Configure RX settings */
ixgbe_initialize_receive_units(adapter);
gpie = IXGBE_READ_REG(&adapter->hw, IXGBE_GPIE);
/* Enable Fan Failure Interrupt */
gpie |= IXGBE_SDP1_GPIEN_BY_MAC(hw);
/* Add for Module detection */
if (hw->mac.type == ixgbe_mac_82599EB)
gpie |= IXGBE_SDP2_GPIEN_BY_MAC(hw);
/* Thermal Failure Detection */
if (hw->mac.type == ixgbe_mac_X540)
gpie |= IXGBE_SDP0_GPIEN_BY_MAC(hw);
if (adapter->msix > 1) {
/* Enable Enhanced MSIX mode */
gpie |= IXGBE_GPIE_MSIX_MODE;
gpie |= IXGBE_GPIE_EIAME | IXGBE_GPIE_PBA_SUPPORT |
IXGBE_GPIE_OCD;
}
IXGBE_WRITE_REG(hw, IXGBE_GPIE, gpie);
/* Set MTU size */
if (ifp->if_mtu > ETHERMTU) {
mhadd = IXGBE_READ_REG(hw, IXGBE_MHADD);
mhadd &= ~IXGBE_MHADD_MFS_MASK;
mhadd |= adapter->max_frame_size << IXGBE_MHADD_MFS_SHIFT;
IXGBE_WRITE_REG(hw, IXGBE_MHADD, mhadd);
}
/* Now enable all the queues */
for (int i = 0; i < adapter->num_queues; i++) {
txdctl = IXGBE_READ_REG(hw, IXGBE_TXDCTL(i));
txdctl |= IXGBE_TXDCTL_ENABLE;
/* Set WTHRESH to 8, burst writeback */
txdctl |= (8 << 16);
/*
* When the internal queue falls below PTHRESH (32),
* start prefetching as long as there are at least
* HTHRESH (1) buffers ready. The values are taken
* from the Intel linux driver 3.8.21.
* Prefetching enables tx line rate even with 1 queue.
*/
txdctl |= (32 << 0) | (1 << 8);
IXGBE_WRITE_REG(hw, IXGBE_TXDCTL(i), txdctl);
}
for (int i = 0; i < adapter->num_queues; i++) {
rxdctl = IXGBE_READ_REG(hw, IXGBE_RXDCTL(i));
if (hw->mac.type == ixgbe_mac_82598EB) {
/*
** PTHRESH = 21
** HTHRESH = 4
** WTHRESH = 8
*/
rxdctl &= ~0x3FFFFF;
rxdctl |= 0x080420;
}
rxdctl |= IXGBE_RXDCTL_ENABLE;
IXGBE_WRITE_REG(hw, IXGBE_RXDCTL(i), rxdctl);
for (k = 0; k < 10; k++) {
if (IXGBE_READ_REG(hw, IXGBE_RXDCTL(i)) &
IXGBE_RXDCTL_ENABLE)
break;
else
msec_delay(1);
}
wmb();
#ifdef DEV_NETMAP
/*
* In netmap mode, we must preserve the buffers made
* available to userspace before the if_init()
* (this is true by default on the TX side, because
* init makes all buffers available to userspace).
*
* netmap_reset() and the device specific routines
* (e.g. ixgbe_setup_receive_rings()) map these
* buffers at the end of the NIC ring, so here we
* must set the RDT (tail) register to make sure
* they are not overwritten.
*
* In this driver the NIC ring starts at RDH = 0,
* RDT points to the last slot available for reception (?),
* so RDT = num_rx_desc - 1 means the whole ring is available.
*/
if (ifp->if_capenable & IFCAP_NETMAP) {
struct netmap_adapter *na = NA(adapter->ifp);
struct netmap_kring *kring = &na->rx_rings[i];
int t = na->num_rx_desc - 1 - nm_kr_rxspace(kring);
IXGBE_WRITE_REG(hw, IXGBE_RDT(i), t);
} else
#endif /* DEV_NETMAP */
IXGBE_WRITE_REG(hw, IXGBE_RDT(i), adapter->num_rx_desc - 1);
}
/* Enable Receive engine */
rxctrl = IXGBE_READ_REG(hw, IXGBE_RXCTRL);
if (hw->mac.type == ixgbe_mac_82598EB)
rxctrl |= IXGBE_RXCTRL_DMBYPS;
rxctrl |= IXGBE_RXCTRL_RXEN;
ixgbe_enable_rx_dma(hw, rxctrl);
callout_reset(&adapter->timer, hz, ixgbe_local_timer, adapter);
/* Set up MSI/X routing */
if (ixgbe_enable_msix) {
ixgbe_configure_ivars(adapter);
/* Set up auto-mask */
if (hw->mac.type == ixgbe_mac_82598EB)
IXGBE_WRITE_REG(hw, IXGBE_EIAM, IXGBE_EICS_RTX_QUEUE);
else {
IXGBE_WRITE_REG(hw, IXGBE_EIAM_EX(0), 0xFFFFFFFF);
IXGBE_WRITE_REG(hw, IXGBE_EIAM_EX(1), 0xFFFFFFFF);
}
} else { /* Simple settings for Legacy/MSI */
ixgbe_set_ivar(adapter, 0, 0, 0);
ixgbe_set_ivar(adapter, 0, 0, 1);
IXGBE_WRITE_REG(hw, IXGBE_EIAM, IXGBE_EICS_RTX_QUEUE);
}
#ifdef IXGBE_FDIR
/* Init Flow director */
if (hw->mac.type != ixgbe_mac_82598EB) {
u32 hdrm = 32 << fdir_pballoc;
hw->mac.ops.setup_rxpba(hw, 0, hdrm, PBA_STRATEGY_EQUAL);
ixgbe_init_fdir_signature_82599(&adapter->hw, fdir_pballoc);
}
#endif
/*
** Check on any SFP devices that
** need to be kick-started
*/
if (hw->phy.type == ixgbe_phy_none) {
int err = hw->phy.ops.identify(hw);
if (err == IXGBE_ERR_SFP_NOT_SUPPORTED) {
device_printf(dev,
"Unsupported SFP+ module type was detected.\n");
return;
}
}
/* Set moderation on the Link interrupt */
IXGBE_WRITE_REG(hw, IXGBE_EITR(adapter->vector), IXGBE_LINK_ITR);
/* Config/Enable Link */
ixgbe_config_link(adapter);
/* Hardware Packet Buffer & Flow Control setup */
{
u32 rxpb, frame, size, tmp;
frame = adapter->max_frame_size;
/* Calculate High Water */
switch (hw->mac.type) {
case ixgbe_mac_X540:
case ixgbe_mac_X550:
case ixgbe_mac_X550EM_a:
case ixgbe_mac_X550EM_x:
tmp = IXGBE_DV_X540(frame, frame);
break;
default:
tmp = IXGBE_DV(frame, frame);
break;
}
size = IXGBE_BT2KB(tmp);
rxpb = IXGBE_READ_REG(hw, IXGBE_RXPBSIZE(0)) >> 10;
hw->fc.high_water[0] = rxpb - size;
/* Now calculate Low Water */
switch (hw->mac.type) {
case ixgbe_mac_X540:
case ixgbe_mac_X550:
case ixgbe_mac_X550EM_a:
case ixgbe_mac_X550EM_x:
tmp = IXGBE_LOW_DV_X540(frame);
break;
default:
tmp = IXGBE_LOW_DV(frame);
break;
}
hw->fc.low_water[0] = IXGBE_BT2KB(tmp);
hw->fc.requested_mode = adapter->fc;
hw->fc.pause_time = IXGBE_FC_PAUSE;
hw->fc.send_xon = TRUE;
}
/* Initialize the FC settings */
ixgbe_start_hw(hw);
/* Set up VLAN support and filter */
ixgbe_setup_vlan_hw_support(adapter);
/* And now turn on interrupts */
ixgbe_enable_intr(adapter);
/* Now inform the stack we're ready */
ifp->if_drv_flags |= IFF_DRV_RUNNING;
return;
}
static void
ixgbe_init(void *arg)
{
struct adapter *adapter = arg;
IXGBE_CORE_LOCK(adapter);
ixgbe_init_locked(adapter);
IXGBE_CORE_UNLOCK(adapter);
return;
}
/*
**
** MSIX Interrupt Handlers and Tasklets
**
*/
static inline void
ixgbe_enable_queue(struct adapter *adapter, u32 vector)
{
struct ixgbe_hw *hw = &adapter->hw;
u64 queue = (u64)(1 << vector);
u32 mask;
if (hw->mac.type == ixgbe_mac_82598EB) {
mask = (IXGBE_EIMS_RTX_QUEUE & queue);
IXGBE_WRITE_REG(hw, IXGBE_EIMS, mask);
} else {
mask = (queue & 0xFFFFFFFF);
if (mask)
IXGBE_WRITE_REG(hw, IXGBE_EIMS_EX(0), mask);
mask = (queue >> 32);
if (mask)
IXGBE_WRITE_REG(hw, IXGBE_EIMS_EX(1), mask);
}
}
static inline void
ixgbe_disable_queue(struct adapter *adapter, u32 vector)
{
struct ixgbe_hw *hw = &adapter->hw;
u64 queue = (u64)(1 << vector);
u32 mask;
if (hw->mac.type == ixgbe_mac_82598EB) {
mask = (IXGBE_EIMS_RTX_QUEUE & queue);
IXGBE_WRITE_REG(hw, IXGBE_EIMC, mask);
} else {
mask = (queue & 0xFFFFFFFF);
if (mask)
IXGBE_WRITE_REG(hw, IXGBE_EIMC_EX(0), mask);
mask = (queue >> 32);
if (mask)
IXGBE_WRITE_REG(hw, IXGBE_EIMC_EX(1), mask);
}
}
static void
ixgbe_handle_que(void *context, int pending)
{
struct ix_queue *que = context;
struct adapter *adapter = que->adapter;
struct tx_ring *txr = que->txr;
struct ifnet *ifp = adapter->ifp;
bool more;
if (ifp->if_drv_flags & IFF_DRV_RUNNING) {
more = ixgbe_rxeof(que);
IXGBE_TX_LOCK(txr);
ixgbe_txeof(txr);
#ifndef IXGBE_LEGACY_TX
if (!drbr_empty(ifp, txr->br))
ixgbe_mq_start_locked(ifp, txr);
#else
if (!IFQ_DRV_IS_EMPTY(&ifp->if_snd))
ixgbe_start_locked(txr, ifp);
#endif
IXGBE_TX_UNLOCK(txr);
}
/* Reenable this interrupt */
if (que->res != NULL)
ixgbe_enable_queue(adapter, que->msix);
else
ixgbe_enable_intr(adapter);
return;
}
/*********************************************************************
*
* Legacy Interrupt Service routine
*
**********************************************************************/
static void
ixgbe_legacy_irq(void *arg)
{
struct ix_queue *que = arg;
struct adapter *adapter = que->adapter;
struct ixgbe_hw *hw = &adapter->hw;
struct ifnet *ifp = adapter->ifp;
struct tx_ring *txr = adapter->tx_rings;
bool more;
u32 reg_eicr;
reg_eicr = IXGBE_READ_REG(hw, IXGBE_EICR);
++que->irqs;
if (reg_eicr == 0) {
ixgbe_enable_intr(adapter);
return;
}
more = ixgbe_rxeof(que);
IXGBE_TX_LOCK(txr);
ixgbe_txeof(txr);
#ifdef IXGBE_LEGACY_TX
if (!IFQ_DRV_IS_EMPTY(&ifp->if_snd))
ixgbe_start_locked(txr, ifp);
#else
if (!drbr_empty(ifp, txr->br))
ixgbe_mq_start_locked(ifp, txr);
#endif
IXGBE_TX_UNLOCK(txr);
/* Check for fan failure */
if ((hw->phy.media_type == ixgbe_media_type_copper) &&
(reg_eicr & IXGBE_EICR_GPI_SDP1_BY_MAC(hw))) {
device_printf(adapter->dev, "\nCRITICAL: FAN FAILURE!! "
"REPLACE IMMEDIATELY!!\n");
IXGBE_WRITE_REG(hw, IXGBE_EIMS, IXGBE_EICR_GPI_SDP1_BY_MAC(hw));
}
/* Link status change */
if (reg_eicr & IXGBE_EICR_LSC)
taskqueue_enqueue(adapter->tq, &adapter->link_task);
if (more)
taskqueue_enqueue(que->tq, &que->que_task);
else
ixgbe_enable_intr(adapter);
return;
}
/*********************************************************************
*
* MSIX Queue Interrupt Service routine
*
**********************************************************************/
void
ixgbe_msix_que(void *arg)
{
struct ix_queue *que = arg;
struct adapter *adapter = que->adapter;
struct ifnet *ifp = adapter->ifp;
struct tx_ring *txr = que->txr;
struct rx_ring *rxr = que->rxr;
bool more;
u32 newitr = 0;
/* Protect against spurious interrupts */
if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0)
return;
ixgbe_disable_queue(adapter, que->msix);
++que->irqs;
more = ixgbe_rxeof(que);
IXGBE_TX_LOCK(txr);
ixgbe_txeof(txr);
#ifdef IXGBE_LEGACY_TX
if (!IFQ_DRV_IS_EMPTY(ifp->if_snd))
ixgbe_start_locked(txr, ifp);
#else
if (!drbr_empty(ifp, txr->br))
ixgbe_mq_start_locked(ifp, txr);
#endif
IXGBE_TX_UNLOCK(txr);
/* Do AIM now? */
if (ixgbe_enable_aim == FALSE)
goto no_calc;
/*
** Do Adaptive Interrupt Moderation:
** - Write out last calculated setting
** - Calculate based on average size over
** the last interval.
*/
if (que->eitr_setting)
IXGBE_WRITE_REG(&adapter->hw,
IXGBE_EITR(que->msix), que->eitr_setting);
que->eitr_setting = 0;
/* Idle, do nothing */
if ((txr->bytes == 0) && (rxr->bytes == 0))
goto no_calc;
if ((txr->bytes) && (txr->packets))
newitr = txr->bytes/txr->packets;
if ((rxr->bytes) && (rxr->packets))
newitr = max(newitr,
(rxr->bytes / rxr->packets));
newitr += 24; /* account for hardware frame, crc */
/* set an upper boundary */
newitr = min(newitr, 3000);
/* Be nice to the mid range */
if ((newitr > 300) && (newitr < 1200))
newitr = (newitr / 3);
else
newitr = (newitr / 2);
if (adapter->hw.mac.type == ixgbe_mac_82598EB)
newitr |= newitr << 16;
else
newitr |= IXGBE_EITR_CNT_WDIS;
/* save for next interrupt */
que->eitr_setting = newitr;
/* Reset state */
txr->bytes = 0;
txr->packets = 0;
rxr->bytes = 0;
rxr->packets = 0;
no_calc:
if (more)
taskqueue_enqueue(que->tq, &que->que_task);
else
ixgbe_enable_queue(adapter, que->msix);
return;
}
static void
ixgbe_msix_link(void *arg)
{
struct adapter *adapter = arg;
struct ixgbe_hw *hw = &adapter->hw;
u32 reg_eicr;
++adapter->vector_irq;
/* First get the cause */
reg_eicr = IXGBE_READ_REG(hw, IXGBE_EICS);
/* Be sure the queue bits are not cleared */
reg_eicr &= ~IXGBE_EICR_RTX_QUEUE;
/* Clear interrupt with write */
IXGBE_WRITE_REG(hw, IXGBE_EICR, reg_eicr);
/* Link status change */
if (reg_eicr & IXGBE_EICR_LSC)
taskqueue_enqueue(adapter->tq, &adapter->link_task);
if (adapter->hw.mac.type != ixgbe_mac_82598EB) {
#ifdef IXGBE_FDIR
if (reg_eicr & IXGBE_EICR_FLOW_DIR) {
/* This is probably overkill :) */
if (!atomic_cmpset_int(&adapter->fdir_reinit, 0, 1))
return;
/* Disable the interrupt */
IXGBE_WRITE_REG(hw, IXGBE_EIMC, IXGBE_EICR_FLOW_DIR);
taskqueue_enqueue(adapter->tq, &adapter->fdir_task);
} else
#endif
if (reg_eicr & IXGBE_EICR_ECC) {
device_printf(adapter->dev, "\nCRITICAL: ECC ERROR!! "
"Please Reboot!!\n");
IXGBE_WRITE_REG(hw, IXGBE_EICR, IXGBE_EICR_ECC);
} else
if (ixgbe_is_sfp(hw)) {
if (reg_eicr & IXGBE_EICR_GPI_SDP1) {
IXGBE_WRITE_REG(hw, IXGBE_EICR, IXGBE_EICR_GPI_SDP1_BY_MAC(hw));
taskqueue_enqueue(adapter->tq, &adapter->msf_task);
} else if (reg_eicr & IXGBE_EICR_GPI_SDP2) {
IXGBE_WRITE_REG(hw, IXGBE_EICR, IXGBE_EICR_GPI_SDP2_BY_MAC(hw));
taskqueue_enqueue(adapter->tq, &adapter->mod_task);
}
}
}
/* Check for fan failure */
if ((hw->device_id == IXGBE_DEV_ID_82598AT) &&
(reg_eicr & IXGBE_EICR_GPI_SDP1_BY_MAC(hw))) {
device_printf(adapter->dev, "\nCRITICAL: FAN FAILURE!! "
"REPLACE IMMEDIATELY!!\n");
IXGBE_WRITE_REG(hw, IXGBE_EICR, IXGBE_EICR_GPI_SDP1_BY_MAC(hw));
}
/* Check for over temp condition */
switch (hw->mac.type) {
case ixgbe_mac_X540:
case ixgbe_mac_X550:
case ixgbe_mac_X550EM_a:
if (reg_eicr & IXGBE_EICR_TS) {
device_printf(adapter->dev, "\nCRITICAL: OVER TEMP!! "
"PHY IS SHUT DOWN!!\n");
device_printf(adapter->dev, "System shutdown required\n");
IXGBE_WRITE_REG(hw, IXGBE_EICR, IXGBE_EICR_TS);
}
break;
default:
/* Other MACs have no thermal sensor interrupt */
break;
}
IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMS, IXGBE_EIMS_OTHER);
return;
}
/*********************************************************************
*
* Media Ioctl callback
*
* This routine is called whenever the user queries the status of
* the interface using ifconfig.
*
**********************************************************************/
static void
ixgbe_media_status(struct ifnet * ifp, struct ifmediareq * ifmr)
{
struct adapter *adapter = ifp->if_softc;
struct ixgbe_hw *hw = &adapter->hw;
int layer;
INIT_DEBUGOUT("ixgbe_media_status: begin");
IXGBE_CORE_LOCK(adapter);
ixgbe_update_link_status(adapter);
ifmr->ifm_status = IFM_AVALID;
ifmr->ifm_active = IFM_ETHER;
if (!adapter->link_active) {
IXGBE_CORE_UNLOCK(adapter);
return;
}
ifmr->ifm_status |= IFM_ACTIVE;
layer = ixgbe_get_supported_physical_layer(hw);
if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_T ||
layer & IXGBE_PHYSICAL_LAYER_1000BASE_T ||
layer & IXGBE_PHYSICAL_LAYER_100BASE_TX)
switch (adapter->link_speed) {
case IXGBE_LINK_SPEED_10GB_FULL:
ifmr->ifm_active |= IFM_10G_T | IFM_FDX;
break;
case IXGBE_LINK_SPEED_1GB_FULL:
erjUnsubmitted
Not Done
Inline Actions

@araujo -- 1000baseT should be correctly displayed now. D811

erj: @araujo -- 1000baseT should be correctly displayed now. D811
ifmr->ifm_active |= IFM_1000_T | IFM_FDX;
break;
case IXGBE_LINK_SPEED_100_FULL:
ifmr->ifm_active |= IFM_100_TX | IFM_FDX;
break;
}
if (layer & IXGBE_PHYSICAL_LAYER_SFP_PLUS_CU ||
layer & IXGBE_PHYSICAL_LAYER_SFP_ACTIVE_DA)
switch (adapter->link_speed) {
case IXGBE_LINK_SPEED_10GB_FULL:
ifmr->ifm_active |= IFM_10G_TWINAX | IFM_FDX;
break;
}
if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_LR)
// layer & IXGBE_PHYSICAL_LAYER_1000BASE_LX
switch (adapter->link_speed) {
case IXGBE_LINK_SPEED_10GB_FULL:
ifmr->ifm_active |= IFM_10G_LR | IFM_FDX;
break;
case IXGBE_LINK_SPEED_1GB_FULL:
ifmr->ifm_active |= IFM_1000_LX | IFM_FDX;
break;
}
if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_LRM)
switch (adapter->link_speed) {
case IXGBE_LINK_SPEED_10GB_FULL:
ifmr->ifm_active |= IFM_10G_LRM | IFM_FDX;
break;
case IXGBE_LINK_SPEED_1GB_FULL:
ifmr->ifm_active |= IFM_1000_LX | IFM_FDX;
break;
}
if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_SR ||
layer & IXGBE_PHYSICAL_LAYER_1000BASE_SX)
switch (adapter->link_speed) {
case IXGBE_LINK_SPEED_10GB_FULL:
ifmr->ifm_active |= IFM_10G_SR | IFM_FDX;
break;
case IXGBE_LINK_SPEED_1GB_FULL:
ifmr->ifm_active |= IFM_1000_SX | IFM_FDX;
break;
}
if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_CX4)
switch (adapter->link_speed) {
case IXGBE_LINK_SPEED_10GB_FULL:
ifmr->ifm_active |= IFM_10G_CX4 | IFM_FDX;
break;
}
/*
** XXX: These need to use the proper media types once
** they're added.
*/
if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_KR)
switch (adapter->link_speed) {
case IXGBE_LINK_SPEED_10GB_FULL:
ifmr->ifm_active |= IFM_10_T | IFM_FDX;
break;
case IXGBE_LINK_SPEED_1GB_FULL:
ifmr->ifm_active |= IFM_10_5 | IFM_FDX;
break;
}
if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_KX4
|| layer & IXGBE_PHYSICAL_LAYER_1000BASE_KX)
switch (adapter->link_speed) {
case IXGBE_LINK_SPEED_10GB_FULL:
ifmr->ifm_active |= IFM_10_2 | IFM_FDX;
break;
case IXGBE_LINK_SPEED_1GB_FULL:
ifmr->ifm_active |= IFM_10_5 | IFM_FDX;
break;
}
/* If nothing is recognized... */
if (IFM_SUBTYPE(ifmr->ifm_active) == 0)
ifmr->ifm_active |= IFM_UNKNOWN;
#if __FreeBSD_version >= 900025
/* Flow control setting */
if (adapter->fc == ixgbe_fc_rx_pause || adapter->fc == ixgbe_fc_full)
ifmr->ifm_active |= IFM_ETH_RXPAUSE;
if (adapter->fc == ixgbe_fc_tx_pause || adapter->fc == ixgbe_fc_full)
ifmr->ifm_active |= IFM_ETH_TXPAUSE;
#endif
IXGBE_CORE_UNLOCK(adapter);
return;
}
/*********************************************************************
*
* Media Ioctl callback
*
* This routine is called when the user changes speed/duplex using
* media/mediopt option with ifconfig.
*
**********************************************************************/
static int
erjUnsubmitted
Not Done
Inline Actions

@araujo -- This is where you can change the media type to 10GbaseT, or other media types.

erj: @araujo -- This is where you can change the media type to 10GbaseT, or other media types.
ixgbe_media_change(struct ifnet * ifp)
{
struct adapter *adapter = ifp->if_softc;
struct ifmedia *ifm = &adapter->media;
struct ixgbe_hw *hw = &adapter->hw;
ixgbe_link_speed speed = 0;
INIT_DEBUGOUT("ixgbe_media_change: begin");
if (IFM_TYPE(ifm->ifm_media) != IFM_ETHER)
return (EINVAL);
/*
** We don't actually need to check against the supported
** media types of the adapter; ifmedia will take care of
** that for us.
*/
switch (IFM_SUBTYPE(ifm->ifm_media)) {
case IFM_AUTO:
case IFM_10G_T:
speed |= IXGBE_LINK_SPEED_100_FULL;
case IFM_10G_LRM:
case IFM_10G_SR:
case IFM_10G_LR:
case IFM_10_T: /* KR */
case IFM_10_2: /* KX4 */
speed |= IXGBE_LINK_SPEED_1GB_FULL;
araujoUnsubmitted
Not Done
Inline Actions

Would it might be 10G instead of 1GB_FULL?

araujo: Would it might be 10G instead of 1GB_FULL?
case IFM_10G_TWINAX:
case IFM_10G_CX4:
speed |= IXGBE_LINK_SPEED_10GB_FULL;
break;
case IFM_1000_T:
speed |= IXGBE_LINK_SPEED_100_FULL;
araujoUnsubmitted
Not Done
Inline Actions

1G instead of 100?

araujo: 1G instead of 100?
case IFM_1000_LX:
case IFM_1000_SX:
case IFM_10_5: /* KX */
speed |= IXGBE_LINK_SPEED_1GB_FULL;
break;
case IFM_100_TX:
speed |= IXGBE_LINK_SPEED_100_FULL;
break;
default:
goto invalid;
}
hw->mac.autotry_restart = TRUE;
hw->mac.ops.setup_link(hw, speed, TRUE);
adapter->advertise =
((speed & IXGBE_LINK_SPEED_10GB_FULL) << 2) |
((speed & IXGBE_LINK_SPEED_1GB_FULL) << 1) |
((speed & IXGBE_LINK_SPEED_100_FULL) << 0);
return (0);
invalid:
device_printf(adapter->dev, "Invalid media type\n");
return (EINVAL);
}
static void
ixgbe_set_promisc(struct adapter *adapter)
{
u_int32_t reg_rctl;
struct ifnet *ifp = adapter->ifp;
int mcnt = 0;
reg_rctl = IXGBE_READ_REG(&adapter->hw, IXGBE_FCTRL);
reg_rctl &= (~IXGBE_FCTRL_UPE);
if (ifp->if_flags & IFF_ALLMULTI)
mcnt = MAX_NUM_MULTICAST_ADDRESSES;
else {
struct ifmultiaddr *ifma;
#if __FreeBSD_version < 800000
IF_ADDR_LOCK(ifp);
#else
if_maddr_rlock(ifp);
#endif
TAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link) {
if (ifma->ifma_addr->sa_family != AF_LINK)
continue;
if (mcnt == MAX_NUM_MULTICAST_ADDRESSES)
break;
mcnt++;
}
#if __FreeBSD_version < 800000
IF_ADDR_UNLOCK(ifp);
#else
if_maddr_runlock(ifp);
#endif
}
if (mcnt < MAX_NUM_MULTICAST_ADDRESSES)
reg_rctl &= (~IXGBE_FCTRL_MPE);
IXGBE_WRITE_REG(&adapter->hw, IXGBE_FCTRL, reg_rctl);
if (ifp->if_flags & IFF_PROMISC) {
reg_rctl |= (IXGBE_FCTRL_UPE | IXGBE_FCTRL_MPE);
IXGBE_WRITE_REG(&adapter->hw, IXGBE_FCTRL, reg_rctl);
} else if (ifp->if_flags & IFF_ALLMULTI) {
reg_rctl |= IXGBE_FCTRL_MPE;
reg_rctl &= ~IXGBE_FCTRL_UPE;
IXGBE_WRITE_REG(&adapter->hw, IXGBE_FCTRL, reg_rctl);
}
return;
}
/*********************************************************************
* Multicast Update
*
* This routine is called whenever multicast address list is updated.
*
**********************************************************************/
#define IXGBE_RAR_ENTRIES 16
static void
ixgbe_set_multi(struct adapter *adapter)
{
u32 fctrl;
u8 *mta;
u8 *update_ptr;
struct ifmultiaddr *ifma;
int mcnt = 0;
struct ifnet *ifp = adapter->ifp;
IOCTL_DEBUGOUT("ixgbe_set_multi: begin");
mta = adapter->mta;
bzero(mta, sizeof(u8) * IXGBE_ETH_LENGTH_OF_ADDRESS *
MAX_NUM_MULTICAST_ADDRESSES);
#if __FreeBSD_version < 800000
IF_ADDR_LOCK(ifp);
#else
if_maddr_rlock(ifp);
#endif
TAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link) {
if (ifma->ifma_addr->sa_family != AF_LINK)
continue;
if (mcnt == MAX_NUM_MULTICAST_ADDRESSES)
break;
bcopy(LLADDR((struct sockaddr_dl *) ifma->ifma_addr),
&mta[mcnt * IXGBE_ETH_LENGTH_OF_ADDRESS],
IXGBE_ETH_LENGTH_OF_ADDRESS);
mcnt++;
}
#if __FreeBSD_version < 800000
IF_ADDR_UNLOCK(ifp);
#else
if_maddr_runlock(ifp);
#endif
fctrl = IXGBE_READ_REG(&adapter->hw, IXGBE_FCTRL);
fctrl |= (IXGBE_FCTRL_UPE | IXGBE_FCTRL_MPE);
if (ifp->if_flags & IFF_PROMISC)
fctrl |= (IXGBE_FCTRL_UPE | IXGBE_FCTRL_MPE);
else if (mcnt >= MAX_NUM_MULTICAST_ADDRESSES ||
ifp->if_flags & IFF_ALLMULTI) {
fctrl |= IXGBE_FCTRL_MPE;
fctrl &= ~IXGBE_FCTRL_UPE;
} else
fctrl &= ~(IXGBE_FCTRL_UPE | IXGBE_FCTRL_MPE);
IXGBE_WRITE_REG(&adapter->hw, IXGBE_FCTRL, fctrl);
if (mcnt < MAX_NUM_MULTICAST_ADDRESSES) {
update_ptr = mta;
ixgbe_update_mc_addr_list(&adapter->hw,
update_ptr, mcnt, ixgbe_mc_array_itr, TRUE);
}
return;
}
/*
* This is an iterator function now needed by the multicast
* shared code. It simply feeds the shared code routine the
* addresses in the array of ixgbe_set_multi() one by one.
*/
static u8 *
ixgbe_mc_array_itr(struct ixgbe_hw *hw, u8 **update_ptr, u32 *vmdq)
{
u8 *addr = *update_ptr;
u8 *newptr;
*vmdq = 0;
newptr = addr + IXGBE_ETH_LENGTH_OF_ADDRESS;
*update_ptr = newptr;
return addr;
}
/*********************************************************************
* Timer routine
*
* This routine checks for link status,updates statistics,
* and runs the watchdog check.
*
**********************************************************************/
static void
ixgbe_local_timer(void *arg)
{
struct adapter *adapter = arg;
device_t dev = adapter->dev;
struct ix_queue *que = adapter->queues;
u64 queues = 0;
int hung = 0;
mtx_assert(&adapter->core_mtx, MA_OWNED);
/* Check for pluggable optics */
if (adapter->sfp_probe)
if (!ixgbe_sfp_probe(adapter))
goto out; /* Nothing to do */
ixgbe_update_link_status(adapter);
ixgbe_update_stats_counters(adapter);
/*
** Check the TX queues status
** - mark hung queues so we don't schedule on them
** - watchdog only if all queues show hung
*/
for (int i = 0; i < adapter->num_queues; i++, que++) {
/* Keep track of queues with work for soft irq */
if (que->txr->busy)
queues |= ((u64)1 << que->me);
/*
** Each time txeof runs without cleaning, but there
** are uncleaned descriptors it increments busy. If
** we get to the MAX we declare it hung.
*/
if (que->busy == IXGBE_QUEUE_HUNG) {
++hung;
/* Mark the queue as inactive */
adapter->active_queues &= ~((u64)1 << que->me);
continue;
} else {
/* Check if we've come back from hung */
if ((adapter->active_queues & ((u64)1 << que->me)) == 0)
adapter->active_queues |= ((u64)1 << que->me);
}
if (que->busy >= IXGBE_MAX_TX_BUSY) {
device_printf(dev,"Warning queue %d "
"appears to be hung!\n", i);
que->txr->busy = IXGBE_QUEUE_HUNG;
++hung;
}
}
/* Only truly watchdog if all queues show hung */
if (hung == adapter->num_queues)
goto watchdog;
else if (queues != 0) { /* Force an IRQ on queues with work */
ixgbe_rearm_queues(adapter, queues);
}
out:
callout_reset(&adapter->timer, hz, ixgbe_local_timer, adapter);
return;
watchdog:
device_printf(adapter->dev, "Watchdog timeout -- resetting\n");
adapter->ifp->if_drv_flags &= ~IFF_DRV_RUNNING;
adapter->watchdog_events++;
ixgbe_init_locked(adapter);
}
/*
** Note: this routine updates the OS on the link state
** the real check of the hardware only happens with
** a link interrupt.
*/
static void
ixgbe_update_link_status(struct adapter *adapter)
{
struct ifnet *ifp = adapter->ifp;
device_t dev = adapter->dev;
if (adapter->link_up){
if (adapter->link_active == FALSE) {
if (bootverbose)
device_printf(dev,"Link is up %d Gbps %s \n",
((adapter->link_speed == 128)? 10:1),
"Full Duplex");
adapter->link_active = TRUE;
/* Update any Flow Control changes */
ixgbe_fc_enable(&adapter->hw);
if_link_state_change(ifp, LINK_STATE_UP);
}
} else { /* Link down */
if (adapter->link_active == TRUE) {
if (bootverbose)
device_printf(dev,"Link is Down\n");
if_link_state_change(ifp, LINK_STATE_DOWN);
adapter->link_active = FALSE;
}
}
return;
}
/*********************************************************************
*
* This routine disables all traffic on the adapter by issuing a
* global reset on the MAC and deallocates TX/RX buffers.
*
**********************************************************************/
static void
ixgbe_stop(void *arg)
{
struct ifnet *ifp;
struct adapter *adapter = arg;
struct ixgbe_hw *hw = &adapter->hw;
ifp = adapter->ifp;
mtx_assert(&adapter->core_mtx, MA_OWNED);
INIT_DEBUGOUT("ixgbe_stop: begin\n");
ixgbe_disable_intr(adapter);
callout_stop(&adapter->timer);
/* Let the stack know...*/
ifp->if_drv_flags &= ~IFF_DRV_RUNNING;
ixgbe_reset_hw(hw);
hw->adapter_stopped = FALSE;
ixgbe_stop_adapter(hw);
if (hw->mac.type == ixgbe_mac_82599EB)
ixgbe_stop_mac_link_on_d3_82599(hw);
/* Turn off the laser - noop with no optics */
ixgbe_disable_tx_laser(hw);
/* Update the stack */
adapter->link_up = FALSE;
ixgbe_update_link_status(adapter);
/* reprogram the RAR[0] in case user changed it. */
ixgbe_set_rar(&adapter->hw, 0, adapter->hw.mac.addr, 0, IXGBE_RAH_AV);
return;
}
/*********************************************************************
*
* Determine hardware revision.
*
**********************************************************************/
static void
ixgbe_identify_hardware(struct adapter *adapter)
{
device_t dev = adapter->dev;
struct ixgbe_hw *hw = &adapter->hw;
/* Save off the information about this board */
hw->vendor_id = pci_get_vendor(dev);
hw->device_id = pci_get_device(dev);
hw->revision_id = pci_read_config(dev, PCIR_REVID, 1);
hw->subsystem_vendor_id =
pci_read_config(dev, PCIR_SUBVEND_0, 2);
hw->subsystem_device_id =
pci_read_config(dev, PCIR_SUBDEV_0, 2);
/*
** Make sure BUSMASTER is set
*/
pci_enable_busmaster(dev);
/* We need this here to set the num_segs below */
ixgbe_set_mac_type(hw);
/* Pick up the 82599 and VF settings */
if (hw->mac.type != ixgbe_mac_82598EB) {
hw->phy.smart_speed = ixgbe_smart_speed;
adapter->num_segs = IXGBE_82599_SCATTER;
} else
adapter->num_segs = IXGBE_82598_SCATTER;
return;
}
/*********************************************************************
*
* Determine optic type
*
**********************************************************************/
static void
ixgbe_setup_optics(struct adapter *adapter)
{
struct ixgbe_hw *hw = &adapter->hw;
int layer;
layer = ixgbe_get_supported_physical_layer(hw);
if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_T) {
adapter->optics = IFM_10G_T;
return;
}
if (layer & IXGBE_PHYSICAL_LAYER_1000BASE_T) {
adapter->optics = IFM_1000_T;
return;
}
if (layer & IXGBE_PHYSICAL_LAYER_1000BASE_SX) {
adapter->optics = IFM_1000_SX;
return;
}
if (layer & (IXGBE_PHYSICAL_LAYER_10GBASE_LR |
IXGBE_PHYSICAL_LAYER_10GBASE_LRM)) {
adapter->optics = IFM_10G_LR;
return;
}
if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_SR) {
adapter->optics = IFM_10G_SR;
return;
}
if (layer & IXGBE_PHYSICAL_LAYER_SFP_PLUS_CU) {
adapter->optics = IFM_10G_TWINAX;
return;
}
if (layer & (IXGBE_PHYSICAL_LAYER_10GBASE_KX4 |
IXGBE_PHYSICAL_LAYER_10GBASE_CX4)) {
adapter->optics = IFM_10G_CX4;
return;
}
/* If we get here just set the default */
adapter->optics = IFM_ETHER | IFM_AUTO;
return;
}
/*********************************************************************
*
* Setup the Legacy or MSI Interrupt handler
*
**********************************************************************/
static int
ixgbe_allocate_legacy(struct adapter *adapter)
{
device_t dev = adapter->dev;
struct ix_queue *que = adapter->queues;
#ifndef IXGBE_LEGACY_TX
struct tx_ring *txr = adapter->tx_rings;
#endif
int error, rid = 0;
/* MSI RID at 1 */
if (adapter->msix == 1)
rid = 1;
/* We allocate a single interrupt resource */
adapter->res = bus_alloc_resource_any(dev,
SYS_RES_IRQ, &rid, RF_SHAREABLE | RF_ACTIVE);
if (adapter->res == NULL) {
device_printf(dev, "Unable to allocate bus resource: "
"interrupt\n");
return (ENXIO);
}
/*
* Try allocating a fast interrupt and the associated deferred
* processing contexts.
*/
#ifndef IXGBE_LEGACY_TX
TASK_INIT(&txr->txq_task, 0, ixgbe_deferred_mq_start, txr);
#endif
TASK_INIT(&que->que_task, 0, ixgbe_handle_que, que);
que->tq = taskqueue_create_fast("ixgbe_que", M_NOWAIT,
taskqueue_thread_enqueue, &que->tq);
taskqueue_start_threads(&que->tq, 1, PI_NET, "%s ixq",
device_get_nameunit(adapter->dev));
/* Tasklets for Link, SFP and Multispeed Fiber */
TASK_INIT(&adapter->link_task, 0, ixgbe_handle_link, adapter);
TASK_INIT(&adapter->mod_task, 0, ixgbe_handle_mod, adapter);
TASK_INIT(&adapter->msf_task, 0, ixgbe_handle_msf, adapter);
#ifdef IXGBE_FDIR
TASK_INIT(&adapter->fdir_task, 0, ixgbe_reinit_fdir, adapter);
#endif
adapter->tq = taskqueue_create_fast("ixgbe_link", M_NOWAIT,
taskqueue_thread_enqueue, &adapter->tq);
taskqueue_start_threads(&adapter->tq, 1, PI_NET, "%s linkq",
device_get_nameunit(adapter->dev));
if ((error = bus_setup_intr(dev, adapter->res,
INTR_TYPE_NET | INTR_MPSAFE, NULL, ixgbe_legacy_irq,
que, &adapter->tag)) != 0) {
device_printf(dev, "Failed to register fast interrupt "
"handler: %d\n", error);
taskqueue_free(que->tq);
taskqueue_free(adapter->tq);
que->tq = NULL;
adapter->tq = NULL;
return (error);
}
/* For simplicity in the handlers */
adapter->active_queues = IXGBE_EIMS_ENABLE_MASK;
return (0);
}
/*********************************************************************
*
* Setup MSIX Interrupt resources and handlers
*
**********************************************************************/
static int
ixgbe_allocate_msix(struct adapter *adapter)
{
device_t dev = adapter->dev;
struct ix_queue *que = adapter->queues;
struct tx_ring *txr = adapter->tx_rings;
int error, rid, vector = 0;
int cpu_id = 0;
#ifdef RSS
/*
* If we're doing RSS, the number of queues needs to
* match the number of RSS buckets that are configured.
*
* + If there's more queues than RSS buckets, we'll end
* up with queues that get no traffic.
*
* + If there's more RSS buckets than queues, we'll end
* up having multiple RSS buckets map to the same queue,
* so there'll be some contention.
*/
if (adapter->num_queues != rss_getnumbuckets()) {
device_printf(dev,
"%s: number of queues (%d) != number of RSS buckets (%d)"
"; performance will be impacted.\n",
__func__,
adapter->num_queues,
rss_getnumbuckets());
}
#endif
for (int i = 0; i < adapter->num_queues; i++, vector++, que++, txr++) {
rid = vector + 1;
que->res = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid,
RF_SHAREABLE | RF_ACTIVE);
if (que->res == NULL) {
device_printf(dev,"Unable to allocate"
" bus resource: que interrupt [%d]\n", vector);
return (ENXIO);
}
/* Set the handler function */
error = bus_setup_intr(dev, que->res,
INTR_TYPE_NET | INTR_MPSAFE, NULL,
ixgbe_msix_que, que, &que->tag);
if (error) {
que->res = NULL;
device_printf(dev, "Failed to register QUE handler");
return (error);
}
#if __FreeBSD_version >= 800504
bus_describe_intr(dev, que->res, que->tag, "que %d", i);
#endif
que->msix = vector;
adapter->active_queues |= (u64)(1 << que->msix);
#ifdef RSS
/*
* The queue ID is used as the RSS layer bucket ID.
* We look up the queue ID -> RSS CPU ID and select
* that.
*/
cpu_id = rss_getcpu(i % rss_getnumbuckets());
#else
/*
* Bind the msix vector, and thus the
* rings to the corresponding cpu.
*
* This just happens to match the default RSS round-robin
* bucket -> queue -> CPU allocation.
*/
if (adapter->num_queues > 1)
cpu_id = i;
#endif
if (adapter->num_queues > 1)
bus_bind_intr(dev, que->res, cpu_id);
#ifdef RSS
device_printf(dev,
"Bound RSS bucket %d to CPU %d\n",
i, cpu_id);
#else
#if 0 // This is too noisy
device_printf(dev,
"Bound queue %d to cpu %d\n",
i, cpu_id);
#endif
#endif
#ifndef IXGBE_LEGACY_TX
TASK_INIT(&txr->txq_task, 0, ixgbe_deferred_mq_start, txr);
#endif
TASK_INIT(&que->que_task, 0, ixgbe_handle_que, que);
que->tq = taskqueue_create_fast("ixgbe_que", M_NOWAIT,
taskqueue_thread_enqueue, &que->tq);
#ifdef RSS
taskqueue_start_threads_pinned(&que->tq, 1, PI_NET,
cpu_id,
"%s (bucket %d)",
device_get_nameunit(adapter->dev),
cpu_id);
#else
taskqueue_start_threads(&que->tq, 1, PI_NET, "%s que",
device_get_nameunit(adapter->dev));
#endif
}
/* and Link */
rid = vector + 1;
adapter->res = bus_alloc_resource_any(dev,
SYS_RES_IRQ, &rid, RF_SHAREABLE | RF_ACTIVE);
if (!adapter->res)