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sys/dev/liquidio/lio_main.c

/*
* BSD LICENSE
*
* Copyright(c) 2017 Cavium, Inc.. 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 Cavium, Inc. 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(S) 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.
*/
/*$FreeBSD$*/
#include "lio_bsd.h"
#include "lio_common.h"
#include "lio_droq.h"
#include "lio_iq.h"
#include "lio_response_manager.h"
#include "lio_device.h"
#include "lio_ctrl.h"
#include "lio_main.h"
#include "lio_network.h"
#include "cn23xx_pf_device.h"
#include "lio_image.h"
#include "lio_ioctl.h"
#include "lio_rxtx.h"
#include "lio_rss.h"
/* Number of milliseconds to wait for DDR initialization */
#define LIO_DDR_TIMEOUT 10000
#define LIO_MAX_FW_TYPE_LEN 8
static char fw_type[LIO_MAX_FW_TYPE_LEN];
TUNABLE_STR("hw.lio.fw_type", fw_type, sizeof(fw_type));
/*
* Integers that specify number of queues per PF.
* Valid range is 0 to 64.
* Use 0 to derive from CPU count.
*/
static int num_queues_per_pf0;
static int num_queues_per_pf1;
TUNABLE_INT("hw.lio.num_queues_per_pf0", &num_queues_per_pf0);
TUNABLE_INT("hw.lio.num_queues_per_pf1", &num_queues_per_pf1);
#ifdef RSS
static int lio_rss = 1;
TUNABLE_INT("hw.lio.rss", &lio_rss);
#endif /* RSS */
/* Hardware LRO */
unsigned int lio_hwlro = 0;
TUNABLE_INT("hw.lio.hwlro", &lio_hwlro);
/*
* Bitmask indicating which consoles have debug
* output redirected to syslog.
*/
static unsigned long console_bitmask;
TUNABLE_ULONG("hw.lio.console_bitmask", &console_bitmask);
/*
* \brief determines if a given console has debug enabled.
* @param console console to check
* @returns 1 = enabled. 0 otherwise
*/
int
lio_console_debug_enabled(uint32_t console)
{
return (console_bitmask >> (console)) & 0x1;
}
static int lio_detach(device_t dev);
static int lio_device_init(struct octeon_device *octeon_dev);
static int lio_chip_specific_setup(struct octeon_device *oct);
static void lio_watchdog(void *param);
static int lio_load_firmware(struct octeon_device *oct);
static int lio_nic_starter(struct octeon_device *oct);
static int lio_init_nic_module(struct octeon_device *oct);
static int lio_setup_nic_devices(struct octeon_device *octeon_dev);
static int lio_link_info(struct lio_recv_info *recv_info, void *ptr);
static void lio_if_cfg_callback(struct octeon_device *oct, uint32_t status,
void *buf);
static int lio_set_rxcsum_command(struct ifnet *ifp, int command,
uint8_t rx_cmd);
static int lio_setup_glists(struct octeon_device *oct, struct lio *lio,
int num_iqs);
static void lio_destroy_nic_device(struct octeon_device *oct, int ifidx);
static inline void lio_update_link_status(struct ifnet *ifp,
union octeon_link_status *ls);
static void lio_send_rx_ctrl_cmd(struct lio *lio, int start_stop);
static int lio_stop_nic_module(struct octeon_device *oct);
static void lio_destroy_resources(struct octeon_device *oct);
static int lio_setup_rx_oom_poll_fn(struct ifnet *ifp);
static void lio_vlan_rx_add_vid(void *arg, struct ifnet *ifp, uint16_t vid);
static void lio_vlan_rx_kill_vid(void *arg, struct ifnet *ifp,
uint16_t vid);
static struct octeon_device *
lio_get_other_octeon_device(struct octeon_device *oct);
static int lio_wait_for_oq_pkts(struct octeon_device *oct);
int lio_send_rss_param(struct lio *lio);
static int lio_dbg_console_print(struct octeon_device *oct,
uint32_t console_num, char *prefix,
char *suffix);
/* Polling interval for determining when NIC application is alive */
#define LIO_STARTER_POLL_INTERVAL_MS 100
/*
* vendor_info_array.
* This array contains the list of IDs on which the driver should load.
*/
struct lio_vendor_info {
uint16_t vendor_id;
uint16_t device_id;
uint16_t subdevice_id;
uint8_t revision_id;
uint8_t index;
};
static struct lio_vendor_info lio_pci_tbl[] = {
/* CN2350 10G */
{PCI_VENDOR_ID_CAVIUM, LIO_CN23XX_PF_VID, LIO_CN2350_10G_SUBDEVICE,
0x02, 0},
/* CN2350 10G */
{PCI_VENDOR_ID_CAVIUM, LIO_CN23XX_PF_VID, LIO_CN2350_10G_SUBDEVICE1,
0x02, 0},
/* CN2360 10G */
{PCI_VENDOR_ID_CAVIUM, LIO_CN23XX_PF_VID, LIO_CN2360_10G_SUBDEVICE,
0x02, 1},
/* CN2350 25G */
{PCI_VENDOR_ID_CAVIUM, LIO_CN23XX_PF_VID, LIO_CN2350_25G_SUBDEVICE,
0x02, 2},
/* CN2360 25G */
{PCI_VENDOR_ID_CAVIUM, LIO_CN23XX_PF_VID, LIO_CN2360_25G_SUBDEVICE,
0x02, 3},
{0, 0, 0, 0, 0}
};
static char *lio_strings[] = {
"LiquidIO 2350 10GbE Server Adapter",
"LiquidIO 2360 10GbE Server Adapter",
"LiquidIO 2350 25GbE Server Adapter",
"LiquidIO 2360 25GbE Server Adapter",
};
struct lio_if_cfg_resp {
uint64_t rh;
struct octeon_if_cfg_info cfg_info;
uint64_t status;
};
struct lio_if_cfg_context {
int octeon_id;
volatile int cond;
};
struct lio_rx_ctl_context {
int octeon_id;
volatile int cond;
};
static int
lio_probe(device_t dev)
{
struct lio_vendor_info *tbl;
uint16_t vendor_id;
uint16_t device_id;
uint16_t subdevice_id;
uint8_t revision_id;
char device_ver[256];
vendor_id = pci_get_vendor(dev);
if (vendor_id != PCI_VENDOR_ID_CAVIUM)
return (ENXIO);
device_id = pci_get_device(dev);
subdevice_id = pci_get_subdevice(dev);
revision_id = pci_get_revid(dev);
tbl = lio_pci_tbl;
while (tbl->vendor_id) {
if ((vendor_id == tbl->vendor_id) &&
(device_id == tbl->device_id) &&
(subdevice_id == tbl->subdevice_id) &&
(revision_id == tbl->revision_id)) {
sprintf(device_ver, "%s, Version - %s",
lio_strings[tbl->index], LIO_VERSION);
device_set_desc_copy(dev, device_ver);
return (BUS_PROBE_DEFAULT);
}
tbl++;
}
return (ENXIO);
}
static int
lio_attach(device_t device)
{
struct octeon_device *oct_dev = NULL;
uint64_t scratch1;
uint32_t error;
int timeout, ret = 1;
uint8_t bus, dev, function;
oct_dev = lio_allocate_device(device);
if (oct_dev == NULL) {
device_printf(device, "Error: Unable to allocate device\n");
return (-ENOMEM);
}
oct_dev->tx_budget = LIO_DEFAULT_TX_PKTS_PROCESS_BUDGET;
oct_dev->rx_budget = LIO_DEFAULT_RX_PKTS_PROCESS_BUDGET;
oct_dev->msix_on = LIO_FLAG_MSIX_ENABLED;
oct_dev->device = device;
bus = pci_get_bus(device);
dev = pci_get_slot(device);
function = pci_get_function(device);
lio_dev_info(oct_dev, "Initializing device %x:%x %02x:%02x.%01x\n",
pci_get_vendor(device), pci_get_device(device), bus, dev,
function);
if (lio_device_init(oct_dev)) {
lio_dev_err(oct_dev, "Failed to init device\n");
lio_detach(device);
return (-ENOMEM);
}
scratch1 = lio_read_csr64(oct_dev, LIO_CN23XX_SLI_SCRATCH1);
if (!(scratch1 & 4ULL)) {
/*
* Bit 2 of SLI_SCRATCH_1 is a flag that indicates that
* the lio watchdog kernel thread is running for this
* NIC. Each NIC gets one watchdog kernel thread.
*/
scratch1 |= 4ULL;
lio_write_csr64(oct_dev, LIO_CN23XX_SLI_SCRATCH1, scratch1);
error = kproc_create(lio_watchdog, oct_dev,
&oct_dev->watchdog_task, 0, 0,
"liowd/%02hhx:%02hhx.%hhx", bus,
dev, function);
if (!error) {
kproc_resume(oct_dev->watchdog_task);
} else {
oct_dev->watchdog_task = NULL;
lio_dev_err(oct_dev,
"failed to create kernel_thread\n");
lio_detach(device);
return (-1);
}
}
oct_dev->rx_pause = 1;
oct_dev->tx_pause = 1;
timeout = 0;
while (timeout < LIO_NIC_STARTER_TIMEOUT) {
lio_mdelay(LIO_STARTER_POLL_INTERVAL_MS);
timeout += LIO_STARTER_POLL_INTERVAL_MS;
/*
* During the boot process interrupts are not available.
* So polling for first control message from FW.
*/
if (cold)
lio_droq_bh(oct_dev->droq[0], 0);
if (atomic_load_acq_int(&oct_dev->status) == LIO_DEV_CORE_OK) {
ret = lio_nic_starter(oct_dev);
break;
}
}
if (ret) {
lio_dev_err(oct_dev, "Firmware failed to start\n");
lio_detach(device);
return (-EIO);
}
lio_dev_dbg(oct_dev, "Device is ready\n");
return (0);
}
static int
lio_detach(device_t dev)
{
struct octeon_device *oct_dev = device_get_softc(dev);
lio_dev_dbg(oct_dev, "Stopping device\n");
if (oct_dev->watchdog_task) {
uint64_t scratch1;
kproc_suspend(oct_dev->watchdog_task, 0);
scratch1 = lio_read_csr64(oct_dev, LIO_CN23XX_SLI_SCRATCH1);
scratch1 &= ~4ULL;
lio_write_csr64(oct_dev, LIO_CN23XX_SLI_SCRATCH1, scratch1);
}
if (oct_dev->app_mode && (oct_dev->app_mode == LIO_DRV_NIC_APP))
lio_stop_nic_module(oct_dev);
/*
* Reset the octeon device and cleanup all memory allocated for
* the octeon device by driver.
*/
lio_destroy_resources(oct_dev);
lio_dev_info(oct_dev, "Device removed\n");
/*
* This octeon device has been removed. Update the global
* data structure to reflect this. Free the device structure.
*/
lio_free_device_mem(oct_dev);
return (0);
}
static int
lio_shutdown(device_t dev)
{
struct octeon_device *oct_dev = device_get_softc(dev);
struct lio *lio = if_getsoftc(oct_dev->props.ifp);
lio_send_rx_ctrl_cmd(lio, 0);
return (0);
}
static int
lio_suspend(device_t dev)
{
return (ENXIO);
}
static int
lio_resume(device_t dev)
{
return (ENXIO);
}
static int
lio_event(struct module *mod, int event, void *junk)
{
switch (event) {
case MOD_LOAD:
lio_init_device_list(LIO_CFG_TYPE_DEFAULT);
break;
default:
break;
}
return (0);
}
/*********************************************************************
* FreeBSD Device Interface Entry Points
* *******************************************************************/
static device_method_t lio_methods[] = {
/* Device interface */
DEVMETHOD(device_probe, lio_probe),
DEVMETHOD(device_attach, lio_attach),
DEVMETHOD(device_detach, lio_detach),
DEVMETHOD(device_shutdown, lio_shutdown),
DEVMETHOD(device_suspend, lio_suspend),
DEVMETHOD(device_resume, lio_resume),
DEVMETHOD_END
};
static driver_t lio_driver = {
LIO_DRV_NAME, lio_methods, sizeof(struct octeon_device),
};
devclass_t lio_devclass;
DRIVER_MODULE(lio, pci, lio_driver, lio_devclass, lio_event, 0);
MODULE_DEPEND(lio, pci, 1, 1, 1);
MODULE_DEPEND(lio, ether, 1, 1, 1);
MODULE_DEPEND(lio, firmware, 1, 1, 1);
static bool
fw_type_is_none(void)
{
return strncmp(fw_type, LIO_FW_NAME_TYPE_NONE,
sizeof(LIO_FW_NAME_TYPE_NONE)) == 0;
}
/*
* \brief Device initialization for each Octeon device that is probed
* @param octeon_dev octeon device
*/
static int
lio_device_init(struct octeon_device *octeon_dev)
{
unsigned long ddr_timeout = LIO_DDR_TIMEOUT;
char *dbg_enb = NULL;
int fw_loaded = 0;
int i, j, ret;
uint8_t bus, dev, function;
char bootcmd[] = "\n";
bus = pci_get_bus(octeon_dev->device);
dev = pci_get_slot(octeon_dev->device);
function = pci_get_function(octeon_dev->device);
atomic_store_rel_int(&octeon_dev->status, LIO_DEV_BEGIN_STATE);
/* Enable access to the octeon device */
if (pci_enable_busmaster(octeon_dev->device)) {
lio_dev_err(octeon_dev, "pci_enable_device failed\n");
return (1);
}
atomic_store_rel_int(&octeon_dev->status, LIO_DEV_PCI_ENABLE_DONE);
/* Identify the Octeon type and map the BAR address space. */
if (lio_chip_specific_setup(octeon_dev)) {
lio_dev_err(octeon_dev, "Chip specific setup failed\n");
return (1);
}
atomic_store_rel_int(&octeon_dev->status, LIO_DEV_PCI_MAP_DONE);
/*
* Only add a reference after setting status 'OCT_DEV_PCI_MAP_DONE',
* since that is what is required for the reference to be removed
* during de-initialization (see 'octeon_destroy_resources').
*/
lio_register_device(octeon_dev, bus, dev, function, true);
octeon_dev->app_mode = LIO_DRV_INVALID_APP;
if (!lio_cn23xx_pf_fw_loaded(octeon_dev) && !fw_type_is_none()) {
fw_loaded = 0;
/* Do a soft reset of the Octeon device. */
if (octeon_dev->fn_list.soft_reset(octeon_dev))
return (1);
/* things might have changed */
if (!lio_cn23xx_pf_fw_loaded(octeon_dev))
fw_loaded = 0;
else
fw_loaded = 1;
} else {
fw_loaded = 1;
}
/*
* Initialize the dispatch mechanism used to push packets arriving on
* Octeon Output queues.
*/
if (lio_init_dispatch_list(octeon_dev))
return (1);
lio_register_dispatch_fn(octeon_dev, LIO_OPCODE_NIC,
LIO_OPCODE_NIC_CORE_DRV_ACTIVE,
lio_core_drv_init, octeon_dev);
atomic_store_rel_int(&octeon_dev->status, LIO_DEV_DISPATCH_INIT_DONE);
ret = octeon_dev->fn_list.setup_device_regs(octeon_dev);
if (ret) {
lio_dev_err(octeon_dev,
"Failed to configure device registers\n");
return (ret);
}
/* Initialize soft command buffer pool */
if (lio_setup_sc_buffer_pool(octeon_dev)) {
lio_dev_err(octeon_dev, "sc buffer pool allocation failed\n");
return (1);
}
atomic_store_rel_int(&octeon_dev->status,
LIO_DEV_SC_BUFF_POOL_INIT_DONE);
if (lio_allocate_ioq_vector(octeon_dev)) {
lio_dev_err(octeon_dev,
"IOQ vector allocation failed\n");
return (1);
}
atomic_store_rel_int(&octeon_dev->status,
LIO_DEV_MSIX_ALLOC_VECTOR_DONE);
for (i = 0; i < LIO_MAX_POSSIBLE_INSTR_QUEUES; i++) {
octeon_dev->instr_queue[i] =
malloc(sizeof(struct lio_instr_queue),
M_DEVBUF, M_NOWAIT | M_ZERO);
if (octeon_dev->instr_queue[i] == NULL)
return (1);
}
/* Setup the data structures that manage this Octeon's Input queues. */
if (lio_setup_instr_queue0(octeon_dev)) {
lio_dev_err(octeon_dev,
"Instruction queue initialization failed\n");
return (1);
}
atomic_store_rel_int(&octeon_dev->status,
LIO_DEV_INSTR_QUEUE_INIT_DONE);
/*
* Initialize lists to manage the requests of different types that
* arrive from user & kernel applications for this octeon device.
*/
if (lio_setup_response_list(octeon_dev)) {
lio_dev_err(octeon_dev, "Response list allocation failed\n");
return (1);
}
atomic_store_rel_int(&octeon_dev->status, LIO_DEV_RESP_LIST_INIT_DONE);
for (i = 0; i < LIO_MAX_POSSIBLE_OUTPUT_QUEUES; i++) {
octeon_dev->droq[i] = malloc(sizeof(*octeon_dev->droq[i]),
M_DEVBUF, M_NOWAIT | M_ZERO);
if (octeon_dev->droq[i] == NULL)
return (1);
}
if (lio_setup_output_queue0(octeon_dev)) {
lio_dev_err(octeon_dev, "Output queue initialization failed\n");
return (1);
}
atomic_store_rel_int(&octeon_dev->status, LIO_DEV_DROQ_INIT_DONE);
/*
* Setup the interrupt handler and record the INT SUM register address
*/
if (lio_setup_interrupt(octeon_dev,
octeon_dev->sriov_info.num_pf_rings))
return (1);
/* Enable Octeon device interrupts */
octeon_dev->fn_list.enable_interrupt(octeon_dev, OCTEON_ALL_INTR);
atomic_store_rel_int(&octeon_dev->status, LIO_DEV_INTR_SET_DONE);
/*
* Send Credit for Octeon Output queues. Credits are always sent BEFORE
* the output queue is enabled.
* This ensures that we'll receive the f/w CORE DRV_ACTIVE message in
* case we've configured CN23XX_SLI_GBL_CONTROL[NOPTR_D] = 0.
* Otherwise, it is possible that the DRV_ACTIVE message will be sent
* before any credits have been issued, causing the ring to be reset
* (and the f/w appear to never have started).
*/
for (j = 0; j < octeon_dev->num_oqs; j++)
lio_write_csr32(octeon_dev,
octeon_dev->droq[j]->pkts_credit_reg,
octeon_dev->droq[j]->max_count);
/* Enable the input and output queues for this Octeon device */
ret = octeon_dev->fn_list.enable_io_queues(octeon_dev);
if (ret) {
lio_dev_err(octeon_dev, "Failed to enable input/output queues");
return (ret);
}
atomic_store_rel_int(&octeon_dev->status, LIO_DEV_IO_QUEUES_DONE);
if (!fw_loaded) {
lio_dev_dbg(octeon_dev, "Waiting for DDR initialization...\n");
if (!ddr_timeout) {
lio_dev_info(octeon_dev,
"WAITING. Set ddr_timeout to non-zero value to proceed with initialization.\n");
}
lio_sleep_timeout(LIO_RESET_MSECS);
/*
* Wait for the octeon to initialize DDR after the
* soft-reset.
*/
while (!ddr_timeout) {
if (pause("-", lio_ms_to_ticks(100))) {
/* user probably pressed Control-C */
return (1);
}
}
ret = lio_wait_for_ddr_init(octeon_dev, &ddr_timeout);
if (ret) {
lio_dev_err(octeon_dev,
"DDR not initialized. Please confirm that board is configured to boot from Flash, ret: %d\n",
ret);
return (1);
}
if (lio_wait_for_bootloader(octeon_dev, 1100)) {
lio_dev_err(octeon_dev, "Board not responding\n");
return (1);
}
/* Divert uboot to take commands from host instead. */
ret = lio_console_send_cmd(octeon_dev, bootcmd, 50);
lio_dev_dbg(octeon_dev, "Initializing consoles\n");
ret = lio_init_consoles(octeon_dev);
if (ret) {
lio_dev_err(octeon_dev, "Could not access board consoles\n");
return (1);
}
/*
* If console debug enabled, specify empty string to
* use default enablement ELSE specify NULL string for
* 'disabled'.
*/
dbg_enb = lio_console_debug_enabled(0) ? "" : NULL;
ret = lio_add_console(octeon_dev, 0, dbg_enb);
if (ret) {
lio_dev_err(octeon_dev, "Could not access board console\n");
return (1);
} else if (lio_console_debug_enabled(0)) {
/*
* If console was added AND we're logging console output
* then set our console print function.
*/
octeon_dev->console[0].print = lio_dbg_console_print;
}
atomic_store_rel_int(&octeon_dev->status,
LIO_DEV_CONSOLE_INIT_DONE);
lio_dev_dbg(octeon_dev, "Loading firmware\n");
ret = lio_load_firmware(octeon_dev);
if (ret) {
lio_dev_err(octeon_dev, "Could not load firmware to board\n");
return (1);
}
}
atomic_store_rel_int(&octeon_dev->status, LIO_DEV_HOST_OK);
return (0);
}
/*
* \brief PCI FLR for each Octeon device.
* @param oct octeon device
*/
static void
lio_pci_flr(struct octeon_device *oct)
{
uint32_t exppos, status;
pci_find_cap(oct->device, PCIY_EXPRESS, &exppos);
pci_save_state(oct->device);
/* Quiesce the device completely */
pci_write_config(oct->device, PCIR_COMMAND, PCIM_CMD_INTxDIS, 2);
/* Wait for Transaction Pending bit clean */
lio_mdelay(100);
status = pci_read_config(oct->device, exppos + PCIER_DEVICE_STA, 2);
if (status & PCIEM_STA_TRANSACTION_PND) {
lio_dev_info(oct, "Function reset incomplete after 100ms, sleeping for 5 seconds\n");
lio_mdelay(5);
status = pci_read_config(oct->device, exppos + PCIER_DEVICE_STA, 2);
if (status & PCIEM_STA_TRANSACTION_PND)
lio_dev_info(oct, "Function reset still incomplete after 5s, reset anyway\n");
}
pci_write_config(oct->device, exppos + PCIER_DEVICE_CTL, PCIEM_CTL_INITIATE_FLR, 2);
lio_mdelay(100);
pci_restore_state(oct->device);
}
/*
* \brief Debug console print function
* @param octeon_dev octeon device
* @param console_num console number
* @param prefix first portion of line to display
* @param suffix second portion of line to display
*
* The OCTEON debug console outputs entire lines (excluding '\n').
* Normally, the line will be passed in the 'prefix' parameter.
* However, due to buffering, it is possible for a line to be split into two
* parts, in which case they will be passed as the 'prefix' parameter and
* 'suffix' parameter.
*/
static int
lio_dbg_console_print(struct octeon_device *oct, uint32_t console_num,
char *prefix, char *suffix)
{
if (prefix != NULL && suffix != NULL)
lio_dev_info(oct, "%u: %s%s\n", console_num, prefix, suffix);
else if (prefix != NULL)
lio_dev_info(oct, "%u: %s\n", console_num, prefix);
else if (suffix != NULL)
lio_dev_info(oct, "%u: %s\n", console_num, suffix);
return (0);
}
static void
lio_watchdog(void *param)
{
int core_num;
uint16_t mask_of_crashed_or_stuck_cores = 0;
struct octeon_device *oct = param;
bool err_msg_was_printed[12];
bzero(err_msg_was_printed, sizeof(err_msg_was_printed));
while (1) {
kproc_suspend_check(oct->watchdog_task);
mask_of_crashed_or_stuck_cores =
(uint16_t)lio_read_csr64(oct, LIO_CN23XX_SLI_SCRATCH2);
if (mask_of_crashed_or_stuck_cores) {
struct octeon_device *other_oct;
oct->cores_crashed = true;
other_oct = lio_get_other_octeon_device(oct);
if (other_oct != NULL)
other_oct->cores_crashed = true;
for (core_num = 0; core_num < LIO_MAX_CORES;
core_num++) {
bool core_crashed_or_got_stuck;
core_crashed_or_got_stuck =
(mask_of_crashed_or_stuck_cores >>
core_num) & 1;
if (core_crashed_or_got_stuck &&
!err_msg_was_printed[core_num]) {
lio_dev_err(oct,
"ERROR: Octeon core %d crashed or got stuck! See oct-fwdump for details.\n",
core_num);
err_msg_was_printed[core_num] = true;
}
}
}
/* sleep for two seconds */
pause("-", lio_ms_to_ticks(2000));
}
}
static int
lio_chip_specific_setup(struct octeon_device *oct)
{
char *s;
uint32_t dev_id, rev_id;
int ret = 1;
dev_id = lio_read_pci_cfg(oct, 0);
rev_id = pci_get_revid(oct->device);
oct->subdevice_id = pci_get_subdevice(oct->device);
switch (dev_id) {
case LIO_CN23XX_PF_PCIID:
oct->chip_id = LIO_CN23XX_PF_VID;
if (pci_get_function(oct->device) == 0) {
if (num_queues_per_pf0 < 0) {
lio_dev_info(oct, "Invalid num_queues_per_pf0: %d, Setting it to default\n",
num_queues_per_pf0);
num_queues_per_pf0 = 0;
}
oct->sriov_info.num_pf_rings = num_queues_per_pf0;
} else {
if (num_queues_per_pf1 < 0) {
lio_dev_info(oct, "Invalid num_queues_per_pf1: %d, Setting it to default\n",
num_queues_per_pf1);
num_queues_per_pf1 = 0;
}
oct->sriov_info.num_pf_rings = num_queues_per_pf1;
}
ret = lio_cn23xx_pf_setup_device(oct);
s = "CN23XX";
break;
default:
s = "?";
lio_dev_err(oct, "Unknown device found (dev_id: %x)\n", dev_id);
}
if (!ret)
lio_dev_info(oct, "%s PASS%d.%d %s Version: %s\n", s,
OCTEON_MAJOR_REV(oct), OCTEON_MINOR_REV(oct),
lio_get_conf(oct)->card_name, LIO_VERSION);
return (ret);
}
static struct octeon_device *
lio_get_other_octeon_device(struct octeon_device *oct)
{
struct octeon_device *other_oct;
other_oct = lio_get_device(oct->octeon_id + 1);
if ((other_oct != NULL) && other_oct->device) {
int oct_busnum, other_oct_busnum;
oct_busnum = pci_get_bus(oct->device);
other_oct_busnum = pci_get_bus(other_oct->device);
if (oct_busnum == other_oct_busnum) {
int oct_slot, other_oct_slot;
oct_slot = pci_get_slot(oct->device);
other_oct_slot = pci_get_slot(other_oct->device);
if (oct_slot == other_oct_slot)
return (other_oct);
}
}
return (NULL);
}
/*
* \brief Load firmware to device
* @param oct octeon device
*
* Maps device to firmware filename, requests firmware, and downloads it
*/
static int
lio_load_firmware(struct octeon_device *oct)
{
const struct firmware *fw;
char *tmp_fw_type = NULL;
int ret = 0;
char fw_name[LIO_MAX_FW_FILENAME_LEN];
if (fw_type[0] == '\0')
tmp_fw_type = LIO_FW_NAME_TYPE_NIC;
else
tmp_fw_type = fw_type;
sprintf(fw_name, "%s%s_%s%s", LIO_FW_BASE_NAME,
lio_get_conf(oct)->card_name, tmp_fw_type, LIO_FW_NAME_SUFFIX);
fw = firmware_get(fw_name);
if (fw == NULL) {
lio_dev_err(oct, "Request firmware failed. Could not find file %s.\n",
fw_name);
return (EINVAL);
}
ret = lio_download_firmware(oct, fw->data, fw->datasize);
firmware_put(fw, FIRMWARE_UNLOAD);
return (ret);
}
static int
lio_nic_starter(struct octeon_device *oct)
{
int ret = 0;
atomic_store_rel_int(&oct->status, LIO_DEV_RUNNING);
if (oct->app_mode && oct->app_mode == LIO_DRV_NIC_APP) {
if (lio_init_nic_module(oct)) {
lio_dev_err(oct, "NIC initialization failed\n");
ret = -1;
#ifdef CAVIUM_ONiLY_23XX_VF
} else {
if (octeon_enable_sriov(oct) < 0)
ret = -1;
#endif
}
} else {
lio_dev_err(oct,
"Unexpected application running on NIC (%d). Check firmware.\n",
oct->app_mode);
ret = -1;
}
return (ret);
}
static int
lio_init_nic_module(struct octeon_device *oct)
{
int num_nic_ports = LIO_GET_NUM_NIC_PORTS_CFG(lio_get_conf(oct));
int retval = 0;
lio_dev_dbg(oct, "Initializing network interfaces\n");
/*
* only default iq and oq were initialized
* initialize the rest as well
*/
/* run port_config command for each port */
oct->ifcount = num_nic_ports;
bzero(&oct->props, sizeof(struct lio_if_props));
oct->props.gmxport = -1;
retval = lio_setup_nic_devices(oct);
if (retval) {
lio_dev_err(oct, "Setup NIC devices failed\n");
goto lio_init_failure;
}
lio_dev_dbg(oct, "Network interfaces ready\n");
return (retval);
lio_init_failure:
oct->ifcount = 0;
return (retval);
}
static int
lio_ifmedia_update(struct ifnet *ifp)
{
struct lio *lio = if_getsoftc(ifp);
struct ifmedia *ifm;
ifm = &lio->ifmedia;
/* We only support Ethernet media type. */
if (IFM_TYPE(ifm->ifm_media) != IFM_ETHER)
return (EINVAL);
switch (IFM_SUBTYPE(ifm->ifm_media)) {
case IFM_AUTO:
break;
case IFM_10G_CX4:
case IFM_10G_SR:
case IFM_10G_T:
case IFM_10G_TWINAX:
default:
/* We don't support changing the media type. */
lio_dev_err(lio->oct_dev, "Invalid media type (%d)\n",
IFM_SUBTYPE(ifm->ifm_media));
return (EINVAL);
}
return (0);
}
static int
lio_get_media_subtype(struct octeon_device *oct)
{
switch(oct->subdevice_id) {
case LIO_CN2350_10G_SUBDEVICE:
case LIO_CN2350_10G_SUBDEVICE1:
case LIO_CN2360_10G_SUBDEVICE:
return (IFM_10G_SR);
case LIO_CN2350_25G_SUBDEVICE:
case LIO_CN2360_25G_SUBDEVICE:
return (IFM_25G_SR);
}
return (IFM_10G_SR);
}
static uint64_t
lio_get_baudrate(struct octeon_device *oct)
{
switch(oct->subdevice_id) {
case LIO_CN2350_10G_SUBDEVICE:
case LIO_CN2350_10G_SUBDEVICE1:
case LIO_CN2360_10G_SUBDEVICE:
return (IF_Gbps(10));
case LIO_CN2350_25G_SUBDEVICE:
case LIO_CN2360_25G_SUBDEVICE:
return (IF_Gbps(25));
}
return (IF_Gbps(10));
}
static void
lio_ifmedia_status(struct ifnet *ifp, struct ifmediareq *ifmr)
{
struct lio *lio = if_getsoftc(ifp);
/* Report link down if the driver isn't running. */
if (!lio_ifstate_check(lio, LIO_IFSTATE_RUNNING)) {
ifmr->ifm_active |= IFM_NONE;
return;
}
/* Setup the default interface info. */
ifmr->ifm_status = IFM_AVALID;
ifmr->ifm_active = IFM_ETHER;
if (lio->linfo.link.s.link_up) {
ifmr->ifm_status |= IFM_ACTIVE;
} else {
ifmr->ifm_active |= IFM_NONE;
return;
}
ifmr->ifm_active |= lio_get_media_subtype(lio->oct_dev);
if (lio->linfo.link.s.duplex)
ifmr->ifm_active |= IFM_FDX;
else
ifmr->ifm_active |= IFM_HDX;
}
static uint64_t
lio_get_counter(if_t ifp, ift_counter cnt)
{
struct lio *lio = if_getsoftc(ifp);
struct octeon_device *oct = lio->oct_dev;
uint64_t counter = 0;
int i, q_no;
switch (cnt) {
case IFCOUNTER_IPACKETS:
for (i = 0; i < oct->num_oqs; i++) {
q_no = lio->linfo.rxpciq[i].s.q_no;
counter += oct->droq[q_no]->stats.rx_pkts_received;
}
break;
case IFCOUNTER_OPACKETS:
for (i = 0; i < oct->num_iqs; i++) {
q_no = lio->linfo.txpciq[i].s.q_no;
counter += oct->instr_queue[q_no]->stats.tx_done;
}
break;
case IFCOUNTER_IBYTES:
for (i = 0; i < oct->num_oqs; i++) {
q_no = lio->linfo.rxpciq[i].s.q_no;
counter += oct->droq[q_no]->stats.rx_bytes_received;
}
break;
case IFCOUNTER_OBYTES:
for (i = 0; i < oct->num_iqs; i++) {
q_no = lio->linfo.txpciq[i].s.q_no;
counter += oct->instr_queue[q_no]->stats.tx_tot_bytes;
}
break;
case IFCOUNTER_IQDROPS:
for (i = 0; i < oct->num_oqs; i++) {
q_no = lio->linfo.rxpciq[i].s.q_no;
counter += oct->droq[q_no]->stats.rx_dropped;
}
break;
case IFCOUNTER_OQDROPS:
for (i = 0; i < oct->num_iqs; i++) {
q_no = lio->linfo.txpciq[i].s.q_no;
counter += oct->instr_queue[q_no]->stats.tx_dropped;
}
break;
case IFCOUNTER_IMCASTS:
counter = oct->link_stats.fromwire.total_mcst;
break;
case IFCOUNTER_OMCASTS:
counter = oct->link_stats.fromhost.mcast_pkts_sent;
break;
case IFCOUNTER_COLLISIONS:
counter = oct->link_stats.fromhost.total_collisions;
break;
case IFCOUNTER_IERRORS:
counter = oct->link_stats.fromwire.fcs_err +
oct->link_stats.fromwire.l2_err +
oct->link_stats.fromwire.frame_err;
break;
default:
return (if_get_counter_default(ifp, cnt));
}
return (counter);
}
static int
lio_init_ifnet(struct lio *lio)
{
struct octeon_device *oct = lio->oct_dev;
if_t ifp = lio->ifp;
/* ifconfig entrypoint for media type/status reporting */
ifmedia_init(&lio->ifmedia, IFM_IMASK, lio_ifmedia_update,
lio_ifmedia_status);
/* set the default interface values */
ifmedia_add(&lio->ifmedia,
(IFM_ETHER | IFM_FDX | lio_get_media_subtype(oct)),
0, NULL);
ifmedia_add(&lio->ifmedia, (IFM_ETHER | IFM_AUTO), 0, NULL);
ifmedia_set(&lio->ifmedia, (IFM_ETHER | IFM_AUTO));
lio->ifmedia.ifm_media = lio->ifmedia.ifm_cur->ifm_media;
lio_dev_dbg(oct, "IFMEDIA flags : %x\n", lio->ifmedia.ifm_media);
if_initname(ifp, device_get_name(oct->device),
device_get_unit(oct->device));
if_setflags(ifp, (IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST));
if_setioctlfn(ifp, lio_ioctl);
if_setgetcounterfn(ifp, lio_get_counter);
if_settransmitfn(ifp, lio_mq_start);
if_setqflushfn(ifp, lio_qflush);
if_setinitfn(ifp, lio_open);
if_setmtu(ifp, lio->linfo.link.s.mtu);
lio->mtu = lio->linfo.link.s.mtu;
if_sethwassist(ifp, (CSUM_IP | CSUM_TCP | CSUM_UDP | CSUM_TSO |
CSUM_TCP_IPV6 | CSUM_UDP_IPV6));
if_setcapabilitiesbit(ifp, (IFCAP_HWCSUM | IFCAP_HWCSUM_IPV6 |
IFCAP_TSO | IFCAP_LRO |
IFCAP_JUMBO_MTU | IFCAP_HWSTATS |
IFCAP_LINKSTATE | IFCAP_VLAN_HWFILTER |
IFCAP_VLAN_HWCSUM | IFCAP_VLAN_HWTAGGING |
IFCAP_VLAN_HWTSO | IFCAP_VLAN_MTU), 0);
if_setcapenable(ifp, if_getcapabilities(ifp));
if_setbaudrate(ifp, lio_get_baudrate(oct));
return (0);
}
static void
lio_tcp_lro_free(struct octeon_device *octeon_dev, struct ifnet *ifp)
{
struct lio *lio = if_getsoftc(ifp);
struct lio_droq *droq;
int q_no;
int i;
for (i = 0; i < octeon_dev->num_oqs; i++) {
q_no = lio->linfo.rxpciq[i].s.q_no;
droq = octeon_dev->droq[q_no];
if (droq->lro.ifp) {
tcp_lro_free(&droq->lro);
droq->lro.ifp = NULL;
}
}
}
static int
lio_tcp_lro_init(struct octeon_device *octeon_dev, struct ifnet *ifp)
{
struct lio *lio = if_getsoftc(ifp);
struct lio_droq *droq;
struct lro_ctrl *lro;
int i, q_no, ret = 0;
for (i = 0; i < octeon_dev->num_oqs; i++) {
q_no = lio->linfo.rxpciq[i].s.q_no;
droq = octeon_dev->droq[q_no];
lro = &droq->lro;
ret = tcp_lro_init(lro);
if (ret) {
lio_dev_err(octeon_dev, "LRO Initialization failed ret %d\n",
ret);
goto lro_init_failed;
}
lro->ifp = ifp;
}
return (ret);
lro_init_failed:
lio_tcp_lro_free(octeon_dev, ifp);
return (ret);
}
static int
lio_setup_nic_devices(struct octeon_device *octeon_dev)
{
union octeon_if_cfg if_cfg;
struct lio *lio = NULL;
struct ifnet *ifp = NULL;
struct lio_version *vdata;
struct lio_soft_command *sc;
struct lio_if_cfg_context *ctx;
struct lio_if_cfg_resp *resp;
struct lio_if_props *props;
int num_iqueues, num_oqueues, retval;
unsigned int base_queue;
unsigned int gmx_port_id;
uint32_t ctx_size, data_size;
uint32_t ifidx_or_pfnum, resp_size;
uint8_t mac[ETHER_HDR_LEN], i, j;
/* This is to handle link status changes */
lio_register_dispatch_fn(octeon_dev, LIO_OPCODE_NIC,
LIO_OPCODE_NIC_INFO,
lio_link_info, octeon_dev);
for (i = 0; i < octeon_dev->ifcount; i++) {
resp_size = sizeof(struct lio_if_cfg_resp);
ctx_size = sizeof(struct lio_if_cfg_context);
data_size = sizeof(struct lio_version);
sc = lio_alloc_soft_command(octeon_dev, data_size, resp_size,
ctx_size);
if (sc == NULL)
return (ENOMEM);
resp = (struct lio_if_cfg_resp *)sc->virtrptr;
ctx = (struct lio_if_cfg_context *)sc->ctxptr;
vdata = (struct lio_version *)sc->virtdptr;
*((uint64_t *)vdata) = 0;
vdata->major = htobe16(LIO_BASE_MAJOR_VERSION);
vdata->minor = htobe16(LIO_BASE_MINOR_VERSION);
vdata->micro = htobe16(LIO_BASE_MICRO_VERSION);
num_iqueues = octeon_dev->sriov_info.num_pf_rings;
num_oqueues = octeon_dev->sriov_info.num_pf_rings;
base_queue = octeon_dev->sriov_info.pf_srn;
gmx_port_id = octeon_dev->pf_num;
ifidx_or_pfnum = octeon_dev->pf_num;
lio_dev_dbg(octeon_dev, "requesting config for interface %d, iqs %d, oqs %d\n",
ifidx_or_pfnum, num_iqueues, num_oqueues);
ctx->cond = 0;
ctx->octeon_id = lio_get_device_id(octeon_dev);
if_cfg.if_cfg64 = 0;
if_cfg.s.num_iqueues = num_iqueues;
if_cfg.s.num_oqueues = num_oqueues;
if_cfg.s.base_queue = base_queue;
if_cfg.s.gmx_port_id = gmx_port_id;
sc->iq_no = 0;
lio_prepare_soft_command(octeon_dev, sc, LIO_OPCODE_NIC,
LIO_OPCODE_NIC_IF_CFG, 0,
if_cfg.if_cfg64, 0);
sc->callback = lio_if_cfg_callback;
sc->callback_arg = sc;
sc->wait_time = 3000;
retval = lio_send_soft_command(octeon_dev, sc);
if (retval == LIO_IQ_SEND_FAILED) {
lio_dev_err(octeon_dev, "iq/oq config failed status: %x\n",
retval);
/* Soft instr is freed by driver in case of failure. */
goto setup_nic_dev_fail;
}
/*
* Sleep on a wait queue till the cond flag indicates that the
* response arrived or timed-out.
*/
lio_sleep_cond(octeon_dev, &ctx->cond);
retval = resp->status;
if (retval) {
lio_dev_err(octeon_dev, "iq/oq config failed\n");
goto setup_nic_dev_fail;
}
lio_swap_8B_data((uint64_t *)(&resp->cfg_info),
(sizeof(struct octeon_if_cfg_info)) >> 3);
num_iqueues = bitcount64(resp->cfg_info.iqmask);
num_oqueues = bitcount64(resp->cfg_info.oqmask);
if (!(num_iqueues) || !(num_oqueues)) {
lio_dev_err(octeon_dev,
"Got bad iqueues (%016llX) or oqueues (%016llX) from firmware.\n",
LIO_CAST64(resp->cfg_info.iqmask),
LIO_CAST64(resp->cfg_info.oqmask));
goto setup_nic_dev_fail;
}
lio_dev_dbg(octeon_dev,
"interface %d, iqmask %016llx, oqmask %016llx, numiqueues %d, numoqueues %d\n",
i, LIO_CAST64(resp->cfg_info.iqmask),
LIO_CAST64(resp->cfg_info.oqmask),
num_iqueues, num_oqueues);
ifp = if_alloc(IFT_ETHER);
if (ifp == NULL) {
lio_dev_err(octeon_dev, "Device allocation failed\n");
goto setup_nic_dev_fail;
}
lio = malloc(sizeof(struct lio), M_DEVBUF, M_NOWAIT | M_ZERO);
if (lio == NULL) {
lio_dev_err(octeon_dev, "Lio allocation failed\n");
goto setup_nic_dev_fail;
}
if_setsoftc(ifp, lio);
ifp->if_hw_tsomax = LIO_MAX_FRAME_SIZE;
ifp->if_hw_tsomaxsegcount = LIO_MAX_SG;
ifp->if_hw_tsomaxsegsize = PAGE_SIZE;
lio->ifidx = ifidx_or_pfnum;
props = &octeon_dev->props;
props->gmxport = resp->cfg_info.linfo.gmxport;
props->ifp = ifp;
lio->linfo.num_rxpciq = num_oqueues;
lio->linfo.num_txpciq = num_iqueues;
for (j = 0; j < num_oqueues; j++) {
lio->linfo.rxpciq[j].rxpciq64 =
resp->cfg_info.linfo.rxpciq[j].rxpciq64;
}
for (j = 0; j < num_iqueues; j++) {
lio->linfo.txpciq[j].txpciq64 =
resp->cfg_info.linfo.txpciq[j].txpciq64;
}
lio->linfo.hw_addr = resp->cfg_info.linfo.hw_addr;
lio->linfo.gmxport = resp->cfg_info.linfo.gmxport;
lio->linfo.link.link_status64 =
resp->cfg_info.linfo.link.link_status64;
/*
* Point to the properties for octeon device to which this
* interface belongs.
*/
lio->oct_dev = octeon_dev;
lio->ifp = ifp;
lio_dev_dbg(octeon_dev, "if%d gmx: %d hw_addr: 0x%llx\n", i,
lio->linfo.gmxport, LIO_CAST64(lio->linfo.hw_addr));
lio_init_ifnet(lio);
/* 64-bit swap required on LE machines */
lio_swap_8B_data(&lio->linfo.hw_addr, 1);
for (j = 0; j < 6; j++)
mac[j] = *((uint8_t *)(
((uint8_t *)&lio->linfo.hw_addr) + 2 + j));
ether_ifattach(ifp, mac);
/*
* By default all interfaces on a single Octeon uses the same
* tx and rx queues
*/
lio->txq = lio->linfo.txpciq[0].s.q_no;
lio->rxq = lio->linfo.rxpciq[0].s.q_no;
if (lio_setup_io_queues(octeon_dev, i, lio->linfo.num_txpciq,
lio->linfo.num_rxpciq)) {
lio_dev_err(octeon_dev, "I/O queues creation failed\n");
goto setup_nic_dev_fail;
}
lio_ifstate_set(lio, LIO_IFSTATE_DROQ_OPS);
lio->tx_qsize = lio_get_tx_qsize(octeon_dev, lio->txq);
lio->rx_qsize = lio_get_rx_qsize(octeon_dev, lio->rxq);
if (lio_setup_glists(octeon_dev, lio, num_iqueues)) {
lio_dev_err(octeon_dev, "Gather list allocation failed\n");
goto setup_nic_dev_fail;
}
if ((lio_hwlro == 0) && lio_tcp_lro_init(octeon_dev, ifp))
goto setup_nic_dev_fail;
if (lio_hwlro &&
(if_getcapenable(ifp) & IFCAP_LRO) &&
(if_getcapenable(ifp) & IFCAP_RXCSUM) &&
(if_getcapenable(ifp) & IFCAP_RXCSUM_IPV6))
lio_set_feature(ifp, LIO_CMD_LRO_ENABLE,
LIO_LROIPV4 | LIO_LROIPV6);
if ((if_getcapenable(ifp) & IFCAP_VLAN_HWFILTER))
lio_set_feature(ifp, LIO_CMD_VLAN_FILTER_CTL, 1);
else
lio_set_feature(ifp, LIO_CMD_VLAN_FILTER_CTL, 0);
if (lio_setup_rx_oom_poll_fn(ifp))
goto setup_nic_dev_fail;
lio_dev_dbg(octeon_dev, "Setup NIC ifidx:%d mac:%02x%02x%02x%02x%02x%02x\n",
i, mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
lio->link_changes++;
lio_ifstate_set(lio, LIO_IFSTATE_REGISTERED);
/*
* Sending command to firmware to enable Rx checksum offload
* by default at the time of setup of Liquidio driver for
* this device
*/
lio_set_rxcsum_command(ifp, LIO_CMD_TNL_RX_CSUM_CTL,
LIO_CMD_RXCSUM_ENABLE);
lio_set_feature(ifp, LIO_CMD_TNL_TX_CSUM_CTL,
LIO_CMD_TXCSUM_ENABLE);
#ifdef RSS
if (lio_rss) {
if (lio_send_rss_param(lio))
goto setup_nic_dev_fail;
} else
#endif /* RSS */
lio_set_feature(ifp, LIO_CMD_SET_FNV,
LIO_CMD_FNV_ENABLE);
lio_dev_dbg(octeon_dev, "NIC ifidx:%d Setup successful\n", i);
lio_free_soft_command(octeon_dev, sc);
lio->vlan_attach =
EVENTHANDLER_REGISTER(vlan_config,
lio_vlan_rx_add_vid, lio,
EVENTHANDLER_PRI_FIRST);
lio->vlan_detach =
EVENTHANDLER_REGISTER(vlan_unconfig,
lio_vlan_rx_kill_vid, lio,
EVENTHANDLER_PRI_FIRST);
/* Update stats periodically */
callout_init(&lio->stats_timer, 0);
lio->stats_interval = LIO_DEFAULT_STATS_INTERVAL;
lio_add_hw_stats(lio);
}
return (0);
setup_nic_dev_fail:
lio_free_soft_command(octeon_dev, sc);
while (i--) {
lio_dev_err(octeon_dev, "NIC ifidx:%d Setup failed\n", i);
lio_destroy_nic_device(octeon_dev, i);
}
return (ENODEV);
}
static int
lio_link_info(struct lio_recv_info *recv_info, void *ptr)
{
struct octeon_device *oct = (struct octeon_device *)ptr;
struct lio_recv_pkt *recv_pkt = recv_info->recv_pkt;
union octeon_link_status *ls;
int gmxport = 0, i;
lio_dev_dbg(oct, "%s Called\n", __func__);
if (recv_pkt->buffer_size[0] != (sizeof(*ls) + LIO_DROQ_INFO_SIZE)) {
lio_dev_err(oct, "Malformed NIC_INFO, len=%d, ifidx=%d\n",
recv_pkt->buffer_size[0],
recv_pkt->rh.r_nic_info.gmxport);
goto nic_info_err;
}
gmxport = recv_pkt->rh.r_nic_info.gmxport;
ls = (union octeon_link_status *)(recv_pkt->buffer_ptr[0]->m_data +
LIO_DROQ_INFO_SIZE);
lio_swap_8B_data((uint64_t *)ls,
(sizeof(union octeon_link_status)) >> 3);
if (oct->props.gmxport == gmxport)
lio_update_link_status(oct->props.ifp, ls);
nic_info_err:
for (i = 0; i < recv_pkt->buffer_count; i++)
lio_recv_buffer_free(recv_pkt->buffer_ptr[i]);
lio_free_recv_info(recv_info);
return (0);
}
void
lio_free_mbuf(struct lio_instr_queue *iq, struct lio_mbuf_free_info *finfo)
{
bus_dmamap_sync(iq->txtag, finfo->map, BUS_DMASYNC_POSTWRITE);
bus_dmamap_unload(iq->txtag, finfo->map);
m_freem(finfo->mb);
}
void
lio_free_sgmbuf(struct lio_instr_queue *iq, struct lio_mbuf_free_info *finfo)
{
struct lio_gather *g;
struct octeon_device *oct;
struct lio *lio;
int iq_no;
g = finfo->g;
iq_no = iq->txpciq.s.q_no;
oct = iq->oct_dev;
lio = if_getsoftc(oct->props.ifp);
mtx_lock(&lio->glist_lock[iq_no]);
STAILQ_INSERT_TAIL(&lio->ghead[iq_no], &g->node, entries);
mtx_unlock(&lio->glist_lock[iq_no]);
bus_dmamap_sync(iq->txtag, finfo->map, BUS_DMASYNC_POSTWRITE);
bus_dmamap_unload(iq->txtag, finfo->map);
m_freem(finfo->mb);
}
static void
lio_if_cfg_callback(struct octeon_device *oct, uint32_t status, void *buf)
{
struct lio_soft_command *sc = (struct lio_soft_command *)buf;
struct lio_if_cfg_resp *resp;
struct lio_if_cfg_context *ctx;
resp = (struct lio_if_cfg_resp *)sc->virtrptr;
ctx = (struct lio_if_cfg_context *)sc->ctxptr;
oct = lio_get_device(ctx->octeon_id);
if (resp->status)
lio_dev_err(oct, "nic if cfg instruction failed. Status: %llx (0x%08x)\n",
LIO_CAST64(resp->status), status);
ctx->cond = 1;
snprintf(oct->fw_info.lio_firmware_version, 32, "%s",
resp->cfg_info.lio_firmware_version);
/*
* This barrier is required to be sure that the response has been
* written fully before waking up the handler
*/
wmb();
}
static int
lio_is_mac_changed(uint8_t *new, uint8_t *old)
{
return ((new[0] != old[0]) || (new[1] != old[1]) ||
(new[2] != old[2]) || (new[3] != old[3]) ||
(new[4] != old[4]) || (new[5] != old[5]));
}
void
lio_open(void *arg)
{
struct lio *lio = arg;
struct ifnet *ifp = lio->ifp;
struct octeon_device *oct = lio->oct_dev;
uint8_t *mac_new, mac_old[ETHER_HDR_LEN];
int ret = 0;
lio_ifstate_set(lio, LIO_IFSTATE_RUNNING);
/* Ready for link status updates */
lio->intf_open = 1;
lio_dev_info(oct, "Interface Open, ready for traffic\n");
/* tell Octeon to start forwarding packets to host */
lio_send_rx_ctrl_cmd(lio, 1);
mac_new = IF_LLADDR(ifp);
memcpy(mac_old, ((uint8_t *)&lio->linfo.hw_addr) + 2, ETHER_HDR_LEN);
if (lio_is_mac_changed(mac_new, mac_old)) {
ret = lio_set_mac(ifp, mac_new);
if (ret)
lio_dev_err(oct, "MAC change failed, error: %d\n", ret);
}
/* Now inform the stack we're ready */
if_setdrvflagbits(ifp, IFF_DRV_RUNNING, 0);
lio_dev_info(oct, "Interface is opened\n");
}
static int
lio_set_rxcsum_command(struct ifnet *ifp, int command, uint8_t rx_cmd)
{
struct lio_ctrl_pkt nctrl;
struct lio *lio = if_getsoftc(ifp);
struct octeon_device *oct = lio->oct_dev;
int ret = 0;
nctrl.ncmd.cmd64 = 0;
nctrl.ncmd.s.cmd = command;
nctrl.ncmd.s.param1 = rx_cmd;
nctrl.iq_no = lio->linfo.txpciq[0].s.q_no;
nctrl.wait_time = 100;
nctrl.lio = lio;
nctrl.cb_fn = lio_ctrl_cmd_completion;
ret = lio_send_ctrl_pkt(lio->oct_dev, &nctrl);
if (ret < 0) {
lio_dev_err(oct, "DEVFLAGS RXCSUM change failed in core(ret:0x%x)\n",
ret);
}
return (ret);
}
static int
lio_stop_nic_module(struct octeon_device *oct)
{
int i, j;
struct lio *lio;
lio_dev_dbg(oct, "Stopping network interfaces\n");
if (!oct->ifcount) {
lio_dev_err(oct, "Init for Octeon was not completed\n");
return (1);
}
mtx_lock(&oct->cmd_resp_wqlock);
oct->cmd_resp_state = LIO_DRV_OFFLINE;
mtx_unlock(&oct->cmd_resp_wqlock);
for (i = 0; i < oct->ifcount; i++) {
lio = if_getsoftc(oct->props.ifp);
for (j = 0; j < oct->num_oqs; j++)
lio_unregister_droq_ops(oct,
lio->linfo.rxpciq[j].s.q_no);
}
callout_drain(&lio->stats_timer);
for (i = 0; i < oct->ifcount; i++)
lio_destroy_nic_device(oct, i);
lio_dev_dbg(oct, "Network interface stopped\n");
return (0);
}
static void
lio_delete_glists(struct octeon_device *oct, struct lio *lio)
{
struct lio_gather *g;
int i;
if (lio->glist_lock != NULL) {
free((void *)lio->glist_lock, M_DEVBUF);
lio->glist_lock = NULL;
}
if (lio->ghead == NULL)
return;
for (i = 0; i < lio->linfo.num_txpciq; i++) {
do {
g = (struct lio_gather *)
lio_delete_first_node(&lio->ghead[i]);
free(g, M_DEVBUF);
} while (g);
if ((lio->glists_virt_base != NULL) &&
(lio->glists_virt_base[i] != NULL)) {
lio_dma_free(lio->glist_entry_size * lio->tx_qsize,
lio->glists_virt_base[i]);
}
}
free(lio->glists_virt_base, M_DEVBUF);
lio->glists_virt_base = NULL;
free(lio->glists_dma_base, M_DEVBUF);
lio->glists_dma_base = NULL;
free(lio->ghead, M_DEVBUF);
lio->ghead = NULL;
}
static int
lio_setup_glists(struct octeon_device *oct, struct lio *lio, int num_iqs)
{
struct lio_gather *g;
int i, j;
lio->glist_lock = malloc(num_iqs * sizeof(*lio->glist_lock), M_DEVBUF,
M_NOWAIT | M_ZERO);
if (lio->glist_lock == NULL)
return (1);
lio->ghead = malloc(num_iqs * sizeof(*lio->ghead), M_DEVBUF,
M_NOWAIT | M_ZERO);
if (lio->ghead == NULL) {
free((void *)lio->glist_lock, M_DEVBUF);
lio->glist_lock = NULL;
return (1);
}
lio->glist_entry_size = ROUNDUP8((ROUNDUP4(LIO_MAX_SG) >> 2) *
LIO_SG_ENTRY_SIZE);
/*
* allocate memory to store virtual and dma base address of
* per glist consistent memory
*/
lio->glists_virt_base = malloc(num_iqs * sizeof(void *), M_DEVBUF,
M_NOWAIT | M_ZERO);
lio->glists_dma_base = malloc(num_iqs * sizeof(vm_paddr_t), M_DEVBUF,
M_NOWAIT | M_ZERO);
if ((lio->glists_virt_base == NULL) || (lio->glists_dma_base == NULL)) {
lio_delete_glists(oct, lio);
return (1);
}
for (i = 0; i < num_iqs; i++) {
mtx_init(&lio->glist_lock[i], "glist_lock", NULL, MTX_DEF);
STAILQ_INIT(&lio->ghead[i]);
lio->glists_virt_base[i] =
lio_dma_alloc(lio->glist_entry_size * lio->tx_qsize,
(vm_paddr_t *)&lio->glists_dma_base[i]);
if (lio->glists_virt_base[i] == NULL) {
lio_delete_glists(oct, lio);
return (1);
}
for (j = 0; j < lio->tx_qsize; j++) {
g = malloc(sizeof(*g), M_DEVBUF, M_NOWAIT | M_ZERO);
if (g == NULL)
break;
g->sg = (struct lio_sg_entry *)
((uint64_t)lio->glists_virt_base[i] +
(j * lio->glist_entry_size));
g->sg_dma_ptr = (uint64_t)lio->glists_dma_base[i] +
(j * lio->glist_entry_size);
STAILQ_INSERT_TAIL(&lio->ghead[i], &g->node, entries);
}
if (j != lio->tx_qsize) {
lio_delete_glists(oct, lio);
return (1);
}
}
return (0);
}
void
lio_stop(struct ifnet *ifp)
{
struct lio *lio = if_getsoftc(ifp);
struct octeon_device *oct = lio->oct_dev;
lio_ifstate_reset(lio, LIO_IFSTATE_RUNNING);
if_link_state_change(ifp, LINK_STATE_DOWN);
lio->intf_open = 0;
lio->linfo.link.s.link_up = 0;
lio->link_changes++;
lio_send_rx_ctrl_cmd(lio, 0);
/* Tell the stack that the interface is no longer active */
if_setdrvflagbits(ifp, 0, IFF_DRV_RUNNING);
lio_dev_info(oct, "Interface is stopped\n");
}
static void
lio_check_rx_oom_status(struct lio *lio)
{
struct lio_droq *droq;
struct octeon_device *oct = lio->oct_dev;
int desc_refilled;
int q, q_no = 0;
for (q = 0; q < oct->num_oqs; q++) {
q_no = lio->linfo.rxpciq[q].s.q_no;
droq = oct->droq[q_no];
if (droq == NULL)
continue;
if (lio_read_csr32(oct, droq->pkts_credit_reg) <= 0x40) {
mtx_lock(&droq->lock);
desc_refilled = lio_droq_refill(oct, droq);
/*
* Flush the droq descriptor data to memory to be sure
* that when we update the credits the data in memory
* is accurate.
*/
wmb();
lio_write_csr32(oct, droq->pkts_credit_reg,
desc_refilled);
/* make sure mmio write completes */
__compiler_membar();
mtx_unlock(&droq->lock);
}
}
}
static void
lio_poll_check_rx_oom_status(void *arg, int pending __unused)
{
struct lio_tq *rx_status_tq = arg;
struct lio *lio = rx_status_tq->ctxptr;
if (lio_ifstate_check(lio, LIO_IFSTATE_RUNNING))
lio_check_rx_oom_status(lio);
taskqueue_enqueue_timeout(rx_status_tq->tq, &rx_status_tq->work,
lio_ms_to_ticks(50));
}
static int
lio_setup_rx_oom_poll_fn(struct ifnet *ifp)
{
struct lio *lio = if_getsoftc(ifp);
struct octeon_device *oct = lio->oct_dev;
struct lio_tq *rx_status_tq;
rx_status_tq = &lio->rx_status_tq;
rx_status_tq->tq = taskqueue_create("lio_rx_oom_status", M_WAITOK,
taskqueue_thread_enqueue,
&rx_status_tq->tq);
if (rx_status_tq->tq == NULL) {
lio_dev_err(oct, "unable to create lio rx oom status tq\n");
return (-1);
}
TIMEOUT_TASK_INIT(rx_status_tq->tq, &rx_status_tq->work, 0,
lio_poll_check_rx_oom_status, (void *)rx_status_tq);
rx_status_tq->ctxptr = lio;
taskqueue_start_threads(&rx_status_tq->tq, 1, PI_NET,
"lio%d_rx_oom_status",
oct->octeon_id);
taskqueue_enqueue_timeout(rx_status_tq->tq, &rx_status_tq->work,
lio_ms_to_ticks(50));
return (0);
}
static void
lio_cleanup_rx_oom_poll_fn(struct ifnet *ifp)
{
struct lio *lio = if_getsoftc(ifp);
if (lio->rx_status_tq.tq != NULL) {
while (taskqueue_cancel_timeout(lio->rx_status_tq.tq,
&lio->rx_status_tq.work, NULL))
taskqueue_drain_timeout(lio->rx_status_tq.tq,
&lio->rx_status_tq.work);
taskqueue_free(lio->rx_status_tq.tq);
lio->rx_status_tq.tq = NULL;
}
}
static void
lio_destroy_nic_device(struct octeon_device *oct, int ifidx)
{
struct ifnet *ifp = oct->props.ifp;
struct lio *lio;
if (ifp == NULL) {
lio_dev_err(oct, "%s No ifp ptr for index %d\n",
__func__, ifidx);
return;
}
lio = if_getsoftc(ifp);
lio_ifstate_set(lio, LIO_IFSTATE_DETACH);
lio_dev_dbg(oct, "NIC device cleanup\n");
if (atomic_load_acq_int(&lio->ifstate) & LIO_IFSTATE_RUNNING)
lio_stop(ifp);
if (lio_wait_for_pending_requests(oct))
lio_dev_err(oct, "There were pending requests\n");
if (lio_wait_for_instr_fetch(oct))
lio_dev_err(oct, "IQ had pending instructions\n");
if (lio_wait_for_oq_pkts(oct))
lio_dev_err(oct, "OQ had pending packets\n");
if (atomic_load_acq_int(&lio->ifstate) & LIO_IFSTATE_REGISTERED)
ether_ifdetach(ifp);
lio_tcp_lro_free(oct, ifp);
lio_cleanup_rx_oom_poll_fn(ifp);
lio_delete_glists(oct, lio);
EVENTHANDLER_DEREGISTER(vlan_config, lio->vlan_attach);
EVENTHANDLER_DEREGISTER(vlan_unconfig, lio->vlan_detach);
free(lio, M_DEVBUF);
if_free(ifp);
oct->props.gmxport = -1;
oct->props.ifp = NULL;
}
static void
print_link_info(struct ifnet *ifp)
{
struct lio *lio = if_getsoftc(ifp);
if (!lio_ifstate_check(lio, LIO_IFSTATE_RESETTING) &&
lio_ifstate_check(lio, LIO_IFSTATE_REGISTERED)) {
struct octeon_link_info *linfo = &lio->linfo;
if (linfo->link.s.link_up) {
lio_dev_info(lio->oct_dev, "%d Mbps %s Duplex UP\n",
linfo->link.s.speed,
(linfo->link.s.duplex) ? "Full" : "Half");
} else {
lio_dev_info(lio->oct_dev, "Link Down\n");
}
}
}
static inline void
lio_update_link_status(struct ifnet *ifp, union octeon_link_status *ls)
{
struct lio *lio = if_getsoftc(ifp);
int changed = (lio->linfo.link.link_status64 != ls->link_status64);
lio->linfo.link.link_status64 = ls->link_status64;
if ((lio->intf_open) && (changed)) {
print_link_info(ifp);
lio->link_changes++;
if (lio->linfo.link.s.link_up)
if_link_state_change(ifp, LINK_STATE_UP);
else
if_link_state_change(ifp, LINK_STATE_DOWN);
}
}
/*
* \brief Callback for rx ctrl
* @param status status of request
* @param buf pointer to resp structure
*/
static void
lio_rx_ctl_callback(struct octeon_device *oct, uint32_t status, void *buf)
{
struct lio_soft_command *sc = (struct lio_soft_command *)buf;
struct lio_rx_ctl_context *ctx;
ctx = (struct lio_rx_ctl_context *)sc->ctxptr;
oct = lio_get_device(ctx->octeon_id);
if (status)
lio_dev_err(oct, "rx ctl instruction failed. Status: %llx\n",
LIO_CAST64(status));
ctx->cond = 1;
/*
* This barrier is required to be sure that the response has been
* written fully before waking up the handler
*/
wmb();
}
static void
lio_send_rx_ctrl_cmd(struct lio *lio, int start_stop)
{
struct lio_soft_command *sc;
struct lio_rx_ctl_context *ctx;
union octeon_cmd *ncmd;
struct octeon_device *oct = (struct octeon_device *)lio->oct_dev;
int ctx_size = sizeof(struct lio_rx_ctl_context);
int retval;
if (oct->props.rx_on == start_stop)
return;
sc = lio_alloc_soft_command(oct, OCTEON_CMD_SIZE, 16, ctx_size);
if (sc == NULL)
return;
ncmd = (union octeon_cmd *)sc->virtdptr;
ctx = (struct lio_rx_ctl_context *)sc->ctxptr;
ctx->cond = 0;
ctx->octeon_id = lio_get_device_id(oct);
ncmd->cmd64 = 0;
ncmd->s.cmd = LIO_CMD_RX_CTL;
ncmd->s.param1 = start_stop;
lio_swap_8B_data((uint64_t *)ncmd, (OCTEON_CMD_SIZE >> 3));
sc->iq_no = lio->linfo.txpciq[0].s.q_no;
lio_prepare_soft_command(oct, sc, LIO_OPCODE_NIC, LIO_OPCODE_NIC_CMD, 0,
0, 0);
sc->callback = lio_rx_ctl_callback;
sc->callback_arg = sc;
sc->wait_time = 5000;
retval = lio_send_soft_command(oct, sc);
if (retval == LIO_IQ_SEND_FAILED) {
lio_dev_err(oct, "Failed to send RX Control message\n");
} else {
/*
* Sleep on a wait queue till the cond flag indicates that the
* response arrived or timed-out.
*/
lio_sleep_cond(oct, &ctx->cond);
oct->props.rx_on = start_stop;
}
lio_free_soft_command(oct, sc);
}
static void
lio_vlan_rx_add_vid(void *arg, struct ifnet *ifp, uint16_t vid)
{
struct lio_ctrl_pkt nctrl;
struct lio *lio = if_getsoftc(ifp);
struct octeon_device *oct = lio->oct_dev;
int ret = 0;
if (if_getsoftc(ifp) != arg) /* Not our event */
return;
if ((vid == 0) || (vid > 4095)) /* Invalid */
return;
bzero(&nctrl, sizeof(struct lio_ctrl_pkt));
nctrl.ncmd.cmd64 = 0;
nctrl.ncmd.s.cmd = LIO_CMD_ADD_VLAN_FILTER;
nctrl.ncmd.s.param1 = vid;
nctrl.iq_no = lio->linfo.txpciq[0].s.q_no;
nctrl.wait_time = 100;
nctrl.lio = lio;
nctrl.cb_fn = lio_ctrl_cmd_completion;
ret = lio_send_ctrl_pkt(lio->oct_dev, &nctrl);
if (ret < 0) {
lio_dev_err(oct, "Add VLAN filter failed in core (ret: 0x%x)\n",
ret);
}
}
static void
lio_vlan_rx_kill_vid(void *arg, struct ifnet *ifp, uint16_t vid)
{
struct lio_ctrl_pkt nctrl;
struct lio *lio = if_getsoftc(ifp);
struct octeon_device *oct = lio->oct_dev;
int ret = 0;
if (if_getsoftc(ifp) != arg) /* Not our event */
return;
if ((vid == 0) || (vid > 4095)) /* Invalid */
return;
bzero(&nctrl, sizeof(struct lio_ctrl_pkt));
nctrl.ncmd.cmd64 = 0;
nctrl.ncmd.s.cmd = LIO_CMD_DEL_VLAN_FILTER;
nctrl.ncmd.s.param1 = vid;
nctrl.iq_no = lio->linfo.txpciq[0].s.q_no;
nctrl.wait_time = 100;
nctrl.lio = lio;
nctrl.cb_fn = lio_ctrl_cmd_completion;
ret = lio_send_ctrl_pkt(lio->oct_dev, &nctrl);
if (ret < 0) {
lio_dev_err(oct,
"Kill VLAN filter failed in core (ret: 0x%x)\n",
ret);
}
}
static int
lio_wait_for_oq_pkts(struct octeon_device *oct)
{
int i, pending_pkts, pkt_cnt = 0, retry = 100;
do {
pending_pkts = 0;
for (i = 0; i < LIO_MAX_OUTPUT_QUEUES(oct); i++) {
if (!(oct->io_qmask.oq & BIT_ULL(i)))
continue;
pkt_cnt = lio_droq_check_hw_for_pkts(oct->droq[i]);
if (pkt_cnt > 0) {
pending_pkts += pkt_cnt;
taskqueue_enqueue(oct->droq[i]->droq_taskqueue,
&oct->droq[i]->droq_task);
}
}
pkt_cnt = 0;
lio_sleep_timeout(1);
} while (retry-- && pending_pkts);
return (pkt_cnt);
}
static void
lio_destroy_resources(struct octeon_device *oct)
{
int i, refcount;
switch (atomic_load_acq_int(&oct->status)) {
case LIO_DEV_RUNNING:
case LIO_DEV_CORE_OK:
/* No more instructions will be forwarded. */
atomic_store_rel_int(&oct->status, LIO_DEV_IN_RESET);
oct->app_mode = LIO_DRV_INVALID_APP;
lio_dev_dbg(oct, "Device state is now %s\n",
lio_get_state_string(&oct->status));
lio_sleep_timeout(100);
/* fallthrough */
case LIO_DEV_HOST_OK:
/* fallthrough */
case LIO_DEV_CONSOLE_INIT_DONE:
/* Remove any consoles */
lio_remove_consoles(oct);
/* fallthrough */
case LIO_DEV_IO_QUEUES_DONE:
if (lio_wait_for_pending_requests(oct))
lio_dev_err(oct, "There were pending requests\n");
if (lio_wait_for_instr_fetch(oct))
lio_dev_err(oct, "IQ had pending instructions\n");
/*
* Disable the input and output queues now. No more packets will
* arrive from Octeon, but we should wait for all packet
* processing to finish.
*/
oct->fn_list.disable_io_queues(oct);
if (lio_wait_for_oq_pkts(oct))
lio_dev_err(oct, "OQ had pending packets\n");
/* fallthrough */
case LIO_DEV_INTR_SET_DONE:
/* Disable interrupts */
oct->fn_list.disable_interrupt(oct, OCTEON_ALL_INTR);
if (oct->msix_on) {
for (i = 0; i < oct->num_msix_irqs - 1; i++) {
if (oct->ioq_vector[i].tag != NULL) {
bus_teardown_intr(oct->device,
oct->ioq_vector[i].msix_res,
oct->ioq_vector[i].tag);
oct->ioq_vector[i].tag = NULL;
}
if (oct->ioq_vector[i].msix_res != NULL) {
bus_release_resource(oct->device,
SYS_RES_IRQ,
oct->ioq_vector[i].vector,
oct->ioq_vector[i].msix_res);
oct->ioq_vector[i].msix_res = NULL;
}
}
/* non-iov vector's argument is oct struct */
if (oct->tag != NULL) {
bus_teardown_intr(oct->device, oct->msix_res,
oct->tag);
oct->tag = NULL;
}
if (oct->msix_res != NULL) {
bus_release_resource(oct->device, SYS_RES_IRQ,
oct->aux_vector,
oct->msix_res);
oct->msix_res = NULL;
}
pci_release_msi(oct->device);
}
/* fallthrough */
case LIO_DEV_IN_RESET:
case LIO_DEV_DROQ_INIT_DONE:
/* Wait for any pending operations */
lio_mdelay(100);
for (i = 0; i < LIO_MAX_OUTPUT_QUEUES(oct); i++) {
if (!(oct->io_qmask.oq & BIT_ULL(i)))
continue;
lio_delete_droq(oct, i);
}
/* fallthrough */
case LIO_DEV_RESP_LIST_INIT_DONE:
for (i = 0; i < LIO_MAX_POSSIBLE_OUTPUT_QUEUES; i++) {
if (oct->droq[i] != NULL) {
free(oct->droq[i], M_DEVBUF);
oct->droq[i] = NULL;
}
}
lio_delete_response_list(oct);
/* fallthrough */
case LIO_DEV_INSTR_QUEUE_INIT_DONE:
for (i = 0; i < LIO_MAX_INSTR_QUEUES(oct); i++) {
if (!(oct->io_qmask.iq & BIT_ULL(i)))
continue;
lio_delete_instr_queue(oct, i);
}
/* fallthrough */
case LIO_DEV_MSIX_ALLOC_VECTOR_DONE:
for (i = 0; i < LIO_MAX_POSSIBLE_INSTR_QUEUES; i++) {
if (oct->instr_queue[i] != NULL) {
free(oct->instr_queue[i], M_DEVBUF);
oct->instr_queue[i] = NULL;
}
}
lio_free_ioq_vector(oct);
/* fallthrough */
case LIO_DEV_SC_BUFF_POOL_INIT_DONE:
lio_free_sc_buffer_pool(oct);
/* fallthrough */
case LIO_DEV_DISPATCH_INIT_DONE:
lio_delete_dispatch_list(oct);
/* fallthrough */
case LIO_DEV_PCI_MAP_DONE:
refcount = lio_deregister_device(oct);
if (fw_type_is_none())
lio_pci_flr(oct);
if (!refcount)
oct->fn_list.soft_reset(oct);
lio_unmap_pci_barx(oct, 0);
lio_unmap_pci_barx(oct, 1);
/* fallthrough */
case LIO_DEV_PCI_ENABLE_DONE:
/* Disable the device, releasing the PCI INT */
pci_disable_busmaster(oct->device);
/* fallthrough */
case LIO_DEV_BEGIN_STATE:
break;
} /* end switch (oct->status) */
}