1532 lines
37 KiB
C
1532 lines
37 KiB
C
/*
|
|
* Copyright (c) 2013-2014 Qlogic 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.
|
|
*
|
|
* 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.
|
|
*/
|
|
|
|
/*
|
|
* File: qls_os.c
|
|
* Author : David C Somayajulu, Qlogic Corporation, Aliso Viejo, CA 92656.
|
|
*/
|
|
|
|
#include <sys/cdefs.h>
|
|
__FBSDID("$FreeBSD$");
|
|
|
|
|
|
#include "qls_os.h"
|
|
#include "qls_hw.h"
|
|
#include "qls_def.h"
|
|
#include "qls_inline.h"
|
|
#include "qls_ver.h"
|
|
#include "qls_glbl.h"
|
|
#include "qls_dbg.h"
|
|
#include <sys/smp.h>
|
|
|
|
/*
|
|
* Some PCI Configuration Space Related Defines
|
|
*/
|
|
|
|
#ifndef PCI_VENDOR_QLOGIC
|
|
#define PCI_VENDOR_QLOGIC 0x1077
|
|
#endif
|
|
|
|
#ifndef PCI_DEVICE_QLOGIC_8000
|
|
#define PCI_DEVICE_QLOGIC_8000 0x8000
|
|
#endif
|
|
|
|
#define PCI_QLOGIC_DEV8000 \
|
|
((PCI_DEVICE_QLOGIC_8000 << 16) | PCI_VENDOR_QLOGIC)
|
|
|
|
/*
|
|
* static functions
|
|
*/
|
|
static int qls_alloc_parent_dma_tag(qla_host_t *ha);
|
|
static void qls_free_parent_dma_tag(qla_host_t *ha);
|
|
|
|
static void qls_flush_xmt_bufs(qla_host_t *ha);
|
|
|
|
static int qls_alloc_rcv_bufs(qla_host_t *ha);
|
|
static void qls_free_rcv_bufs(qla_host_t *ha);
|
|
|
|
static void qls_init_ifnet(device_t dev, qla_host_t *ha);
|
|
static void qls_release(qla_host_t *ha);
|
|
static void qls_dmamap_callback(void *arg, bus_dma_segment_t *segs, int nsegs,
|
|
int error);
|
|
static void qls_stop(qla_host_t *ha);
|
|
static int qls_send(qla_host_t *ha, struct mbuf **m_headp);
|
|
static void qls_tx_done(void *context, int pending);
|
|
|
|
static int qls_config_lro(qla_host_t *ha);
|
|
static void qls_free_lro(qla_host_t *ha);
|
|
|
|
static void qls_error_recovery(void *context, int pending);
|
|
|
|
/*
|
|
* Hooks to the Operating Systems
|
|
*/
|
|
static int qls_pci_probe (device_t);
|
|
static int qls_pci_attach (device_t);
|
|
static int qls_pci_detach (device_t);
|
|
|
|
static void qls_start(struct ifnet *ifp);
|
|
static void qls_init(void *arg);
|
|
static int qls_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data);
|
|
static int qls_media_change(struct ifnet *ifp);
|
|
static void qls_media_status(struct ifnet *ifp, struct ifmediareq *ifmr);
|
|
|
|
static device_method_t qla_pci_methods[] = {
|
|
/* Device interface */
|
|
DEVMETHOD(device_probe, qls_pci_probe),
|
|
DEVMETHOD(device_attach, qls_pci_attach),
|
|
DEVMETHOD(device_detach, qls_pci_detach),
|
|
{ 0, 0 }
|
|
};
|
|
|
|
static driver_t qla_pci_driver = {
|
|
"ql", qla_pci_methods, sizeof (qla_host_t),
|
|
};
|
|
|
|
static devclass_t qla8000_devclass;
|
|
|
|
DRIVER_MODULE(qla8000, pci, qla_pci_driver, qla8000_devclass, 0, 0);
|
|
|
|
MODULE_DEPEND(qla8000, pci, 1, 1, 1);
|
|
MODULE_DEPEND(qla8000, ether, 1, 1, 1);
|
|
|
|
MALLOC_DEFINE(M_QLA8000BUF, "qla8000buf", "Buffers for qla8000 driver");
|
|
|
|
static char dev_str[64];
|
|
static char ver_str[64];
|
|
|
|
/*
|
|
* Name: qls_pci_probe
|
|
* Function: Validate the PCI device to be a QLA80XX device
|
|
*/
|
|
static int
|
|
qls_pci_probe(device_t dev)
|
|
{
|
|
switch ((pci_get_device(dev) << 16) | (pci_get_vendor(dev))) {
|
|
case PCI_QLOGIC_DEV8000:
|
|
snprintf(dev_str, sizeof(dev_str), "%s v%d.%d.%d",
|
|
"Qlogic ISP 8000 PCI CNA Adapter-Ethernet Function",
|
|
QLA_VERSION_MAJOR, QLA_VERSION_MINOR,
|
|
QLA_VERSION_BUILD);
|
|
snprintf(ver_str, sizeof(ver_str), "v%d.%d.%d",
|
|
QLA_VERSION_MAJOR, QLA_VERSION_MINOR,
|
|
QLA_VERSION_BUILD);
|
|
device_set_desc(dev, dev_str);
|
|
break;
|
|
default:
|
|
return (ENXIO);
|
|
}
|
|
|
|
if (bootverbose)
|
|
printf("%s: %s\n ", __func__, dev_str);
|
|
|
|
return (BUS_PROBE_DEFAULT);
|
|
}
|
|
|
|
static int
|
|
qls_sysctl_get_drvr_stats(SYSCTL_HANDLER_ARGS)
|
|
{
|
|
int err = 0, ret;
|
|
qla_host_t *ha;
|
|
uint32_t i;
|
|
|
|
err = sysctl_handle_int(oidp, &ret, 0, req);
|
|
|
|
if (err || !req->newptr)
|
|
return (err);
|
|
|
|
if (ret == 1) {
|
|
|
|
ha = (qla_host_t *)arg1;
|
|
|
|
for (i = 0; i < ha->num_tx_rings; i++) {
|
|
|
|
device_printf(ha->pci_dev,
|
|
"%s: tx_ring[%d].tx_frames= %p\n",
|
|
__func__, i,
|
|
(void *)ha->tx_ring[i].tx_frames);
|
|
|
|
device_printf(ha->pci_dev,
|
|
"%s: tx_ring[%d].tx_tso_frames= %p\n",
|
|
__func__, i,
|
|
(void *)ha->tx_ring[i].tx_tso_frames);
|
|
|
|
device_printf(ha->pci_dev,
|
|
"%s: tx_ring[%d].tx_vlan_frames= %p\n",
|
|
__func__, i,
|
|
(void *)ha->tx_ring[i].tx_vlan_frames);
|
|
|
|
device_printf(ha->pci_dev,
|
|
"%s: tx_ring[%d].txr_free= 0x%08x\n",
|
|
__func__, i,
|
|
ha->tx_ring[i].txr_free);
|
|
|
|
device_printf(ha->pci_dev,
|
|
"%s: tx_ring[%d].txr_next= 0x%08x\n",
|
|
__func__, i,
|
|
ha->tx_ring[i].txr_next);
|
|
|
|
device_printf(ha->pci_dev,
|
|
"%s: tx_ring[%d].txr_done= 0x%08x\n",
|
|
__func__, i,
|
|
ha->tx_ring[i].txr_done);
|
|
|
|
device_printf(ha->pci_dev,
|
|
"%s: tx_ring[%d].txr_cons_idx= 0x%08x\n",
|
|
__func__, i,
|
|
*(ha->tx_ring[i].txr_cons_vaddr));
|
|
}
|
|
|
|
for (i = 0; i < ha->num_rx_rings; i++) {
|
|
|
|
device_printf(ha->pci_dev,
|
|
"%s: rx_ring[%d].rx_int= %p\n",
|
|
__func__, i,
|
|
(void *)ha->rx_ring[i].rx_int);
|
|
|
|
device_printf(ha->pci_dev,
|
|
"%s: rx_ring[%d].rss_int= %p\n",
|
|
__func__, i,
|
|
(void *)ha->rx_ring[i].rss_int);
|
|
|
|
device_printf(ha->pci_dev,
|
|
"%s: rx_ring[%d].lbq_next= 0x%08x\n",
|
|
__func__, i,
|
|
ha->rx_ring[i].lbq_next);
|
|
|
|
device_printf(ha->pci_dev,
|
|
"%s: rx_ring[%d].lbq_free= 0x%08x\n",
|
|
__func__, i,
|
|
ha->rx_ring[i].lbq_free);
|
|
|
|
device_printf(ha->pci_dev,
|
|
"%s: rx_ring[%d].lbq_in= 0x%08x\n",
|
|
__func__, i,
|
|
ha->rx_ring[i].lbq_in);
|
|
|
|
device_printf(ha->pci_dev,
|
|
"%s: rx_ring[%d].sbq_next= 0x%08x\n",
|
|
__func__, i,
|
|
ha->rx_ring[i].sbq_next);
|
|
|
|
device_printf(ha->pci_dev,
|
|
"%s: rx_ring[%d].sbq_free= 0x%08x\n",
|
|
__func__, i,
|
|
ha->rx_ring[i].sbq_free);
|
|
|
|
device_printf(ha->pci_dev,
|
|
"%s: rx_ring[%d].sbq_in= 0x%08x\n",
|
|
__func__, i,
|
|
ha->rx_ring[i].sbq_in);
|
|
}
|
|
|
|
device_printf(ha->pci_dev, "%s: err_m_getcl = 0x%08x\n",
|
|
__func__, ha->err_m_getcl);
|
|
device_printf(ha->pci_dev, "%s: err_m_getjcl = 0x%08x\n",
|
|
__func__, ha->err_m_getjcl);
|
|
device_printf(ha->pci_dev,
|
|
"%s: err_tx_dmamap_create = 0x%08x\n",
|
|
__func__, ha->err_tx_dmamap_create);
|
|
device_printf(ha->pci_dev,
|
|
"%s: err_tx_dmamap_load = 0x%08x\n",
|
|
__func__, ha->err_tx_dmamap_load);
|
|
device_printf(ha->pci_dev,
|
|
"%s: err_tx_defrag = 0x%08x\n",
|
|
__func__, ha->err_tx_defrag);
|
|
}
|
|
return (err);
|
|
}
|
|
|
|
static void
|
|
qls_add_sysctls(qla_host_t *ha)
|
|
{
|
|
device_t dev = ha->pci_dev;
|
|
|
|
SYSCTL_ADD_STRING(device_get_sysctl_ctx(dev),
|
|
SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
|
|
OID_AUTO, "version", CTLFLAG_RD,
|
|
ver_str, 0, "Driver Version");
|
|
|
|
qls_dbg_level = 0;
|
|
SYSCTL_ADD_UINT(device_get_sysctl_ctx(dev),
|
|
SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
|
|
OID_AUTO, "debug", CTLFLAG_RW,
|
|
&qls_dbg_level, qls_dbg_level, "Debug Level");
|
|
|
|
SYSCTL_ADD_PROC(device_get_sysctl_ctx(dev),
|
|
SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
|
|
OID_AUTO, "drvr_stats", CTLTYPE_INT | CTLFLAG_RW,
|
|
(void *)ha, 0,
|
|
qls_sysctl_get_drvr_stats, "I", "Driver Maintained Statistics");
|
|
|
|
return;
|
|
}
|
|
|
|
static void
|
|
qls_watchdog(void *arg)
|
|
{
|
|
qla_host_t *ha = arg;
|
|
struct ifnet *ifp;
|
|
|
|
ifp = ha->ifp;
|
|
|
|
if (ha->flags.qla_watchdog_exit) {
|
|
ha->qla_watchdog_exited = 1;
|
|
return;
|
|
}
|
|
ha->qla_watchdog_exited = 0;
|
|
|
|
if (!ha->flags.qla_watchdog_pause) {
|
|
|
|
if (ha->qla_initiate_recovery) {
|
|
|
|
ha->qla_watchdog_paused = 1;
|
|
ha->qla_initiate_recovery = 0;
|
|
ha->err_inject = 0;
|
|
taskqueue_enqueue(ha->err_tq, &ha->err_task);
|
|
|
|
} else if ((ifp->if_snd.ifq_head != NULL) && QL_RUNNING(ifp)) {
|
|
|
|
taskqueue_enqueue(ha->tx_tq, &ha->tx_task);
|
|
}
|
|
|
|
ha->qla_watchdog_paused = 0;
|
|
} else {
|
|
ha->qla_watchdog_paused = 1;
|
|
}
|
|
|
|
ha->watchdog_ticks = ha->watchdog_ticks++ % 1000;
|
|
callout_reset(&ha->tx_callout, QLA_WATCHDOG_CALLOUT_TICKS,
|
|
qls_watchdog, ha);
|
|
|
|
return;
|
|
}
|
|
|
|
/*
|
|
* Name: qls_pci_attach
|
|
* Function: attaches the device to the operating system
|
|
*/
|
|
static int
|
|
qls_pci_attach(device_t dev)
|
|
{
|
|
qla_host_t *ha = NULL;
|
|
int i;
|
|
|
|
QL_DPRINT2((dev, "%s: enter\n", __func__));
|
|
|
|
if ((ha = device_get_softc(dev)) == NULL) {
|
|
device_printf(dev, "cannot get softc\n");
|
|
return (ENOMEM);
|
|
}
|
|
|
|
memset(ha, 0, sizeof (qla_host_t));
|
|
|
|
if (pci_get_device(dev) != PCI_DEVICE_QLOGIC_8000) {
|
|
device_printf(dev, "device is not QLE8000\n");
|
|
return (ENXIO);
|
|
}
|
|
|
|
ha->pci_func = pci_get_function(dev);
|
|
|
|
ha->pci_dev = dev;
|
|
|
|
pci_enable_busmaster(dev);
|
|
|
|
ha->reg_rid = PCIR_BAR(1);
|
|
ha->pci_reg = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &ha->reg_rid,
|
|
RF_ACTIVE);
|
|
|
|
if (ha->pci_reg == NULL) {
|
|
device_printf(dev, "unable to map any ports\n");
|
|
goto qls_pci_attach_err;
|
|
}
|
|
|
|
ha->reg_rid1 = PCIR_BAR(3);
|
|
ha->pci_reg1 = bus_alloc_resource_any(dev, SYS_RES_MEMORY,
|
|
&ha->reg_rid1, RF_ACTIVE);
|
|
|
|
if (ha->pci_reg1 == NULL) {
|
|
device_printf(dev, "unable to map any ports\n");
|
|
goto qls_pci_attach_err;
|
|
}
|
|
|
|
mtx_init(&ha->hw_lock, "qla80xx_hw_lock", MTX_NETWORK_LOCK, MTX_DEF);
|
|
mtx_init(&ha->tx_lock, "qla80xx_tx_lock", MTX_NETWORK_LOCK, MTX_DEF);
|
|
|
|
qls_add_sysctls(ha);
|
|
qls_hw_add_sysctls(ha);
|
|
|
|
ha->flags.lock_init = 1;
|
|
|
|
ha->msix_count = pci_msix_count(dev);
|
|
|
|
if (ha->msix_count < qls_get_msix_count(ha)) {
|
|
device_printf(dev, "%s: msix_count[%d] not enough\n", __func__,
|
|
ha->msix_count);
|
|
goto qls_pci_attach_err;
|
|
}
|
|
|
|
ha->msix_count = qls_get_msix_count(ha);
|
|
|
|
device_printf(dev, "\n%s: ha %p pci_func 0x%x msix_count 0x%x"
|
|
" pci_reg %p pci_reg1 %p\n", __func__, ha,
|
|
ha->pci_func, ha->msix_count, ha->pci_reg, ha->pci_reg1);
|
|
|
|
if (pci_alloc_msix(dev, &ha->msix_count)) {
|
|
device_printf(dev, "%s: pci_alloc_msi[%d] failed\n", __func__,
|
|
ha->msix_count);
|
|
ha->msix_count = 0;
|
|
goto qls_pci_attach_err;
|
|
}
|
|
|
|
for (i = 0; i < ha->num_rx_rings; i++) {
|
|
ha->irq_vec[i].cq_idx = i;
|
|
ha->irq_vec[i].ha = ha;
|
|
ha->irq_vec[i].irq_rid = 1 + i;
|
|
|
|
ha->irq_vec[i].irq = bus_alloc_resource_any(dev, SYS_RES_IRQ,
|
|
&ha->irq_vec[i].irq_rid,
|
|
(RF_ACTIVE | RF_SHAREABLE));
|
|
|
|
if (ha->irq_vec[i].irq == NULL) {
|
|
device_printf(dev, "could not allocate interrupt\n");
|
|
goto qls_pci_attach_err;
|
|
}
|
|
|
|
if (bus_setup_intr(dev, ha->irq_vec[i].irq,
|
|
(INTR_TYPE_NET | INTR_MPSAFE), NULL, qls_isr,
|
|
&ha->irq_vec[i], &ha->irq_vec[i].handle)) {
|
|
device_printf(dev,
|
|
"could not setup interrupt\n");
|
|
goto qls_pci_attach_err;
|
|
}
|
|
}
|
|
|
|
qls_rd_nic_params(ha);
|
|
|
|
/* allocate parent dma tag */
|
|
if (qls_alloc_parent_dma_tag(ha)) {
|
|
device_printf(dev, "%s: qls_alloc_parent_dma_tag failed\n",
|
|
__func__);
|
|
goto qls_pci_attach_err;
|
|
}
|
|
|
|
/* alloc all dma buffers */
|
|
if (qls_alloc_dma(ha)) {
|
|
device_printf(dev, "%s: qls_alloc_dma failed\n", __func__);
|
|
goto qls_pci_attach_err;
|
|
}
|
|
|
|
/* create the o.s ethernet interface */
|
|
qls_init_ifnet(dev, ha);
|
|
|
|
ha->flags.qla_watchdog_active = 1;
|
|
ha->flags.qla_watchdog_pause = 1;
|
|
|
|
TASK_INIT(&ha->tx_task, 0, qls_tx_done, ha);
|
|
ha->tx_tq = taskqueue_create_fast("qla_txq", M_NOWAIT,
|
|
taskqueue_thread_enqueue, &ha->tx_tq);
|
|
taskqueue_start_threads(&ha->tx_tq, 1, PI_NET, "%s txq",
|
|
device_get_nameunit(ha->pci_dev));
|
|
|
|
callout_init(&ha->tx_callout, TRUE);
|
|
ha->flags.qla_callout_init = 1;
|
|
|
|
/* create ioctl device interface */
|
|
if (qls_make_cdev(ha)) {
|
|
device_printf(dev, "%s: qls_make_cdev failed\n", __func__);
|
|
goto qls_pci_attach_err;
|
|
}
|
|
|
|
callout_reset(&ha->tx_callout, QLA_WATCHDOG_CALLOUT_TICKS,
|
|
qls_watchdog, ha);
|
|
|
|
TASK_INIT(&ha->err_task, 0, qls_error_recovery, ha);
|
|
ha->err_tq = taskqueue_create_fast("qla_errq", M_NOWAIT,
|
|
taskqueue_thread_enqueue, &ha->err_tq);
|
|
taskqueue_start_threads(&ha->err_tq, 1, PI_NET, "%s errq",
|
|
device_get_nameunit(ha->pci_dev));
|
|
|
|
QL_DPRINT2((dev, "%s: exit 0\n", __func__));
|
|
return (0);
|
|
|
|
qls_pci_attach_err:
|
|
|
|
qls_release(ha);
|
|
|
|
QL_DPRINT2((dev, "%s: exit ENXIO\n", __func__));
|
|
return (ENXIO);
|
|
}
|
|
|
|
/*
|
|
* Name: qls_pci_detach
|
|
* Function: Unhooks the device from the operating system
|
|
*/
|
|
static int
|
|
qls_pci_detach(device_t dev)
|
|
{
|
|
qla_host_t *ha = NULL;
|
|
struct ifnet *ifp;
|
|
|
|
QL_DPRINT2((dev, "%s: enter\n", __func__));
|
|
|
|
if ((ha = device_get_softc(dev)) == NULL) {
|
|
device_printf(dev, "cannot get softc\n");
|
|
return (ENOMEM);
|
|
}
|
|
|
|
ifp = ha->ifp;
|
|
|
|
(void)QLA_LOCK(ha, __func__, 0);
|
|
qls_stop(ha);
|
|
QLA_UNLOCK(ha, __func__);
|
|
|
|
qls_release(ha);
|
|
|
|
QL_DPRINT2((dev, "%s: exit\n", __func__));
|
|
|
|
return (0);
|
|
}
|
|
|
|
/*
|
|
* Name: qls_release
|
|
* Function: Releases the resources allocated for the device
|
|
*/
|
|
static void
|
|
qls_release(qla_host_t *ha)
|
|
{
|
|
device_t dev;
|
|
int i;
|
|
|
|
dev = ha->pci_dev;
|
|
|
|
if (ha->err_tq) {
|
|
taskqueue_drain(ha->err_tq, &ha->err_task);
|
|
taskqueue_free(ha->err_tq);
|
|
}
|
|
|
|
if (ha->tx_tq) {
|
|
taskqueue_drain(ha->tx_tq, &ha->tx_task);
|
|
taskqueue_free(ha->tx_tq);
|
|
}
|
|
|
|
qls_del_cdev(ha);
|
|
|
|
if (ha->flags.qla_watchdog_active) {
|
|
ha->flags.qla_watchdog_exit = 1;
|
|
|
|
while (ha->qla_watchdog_exited == 0)
|
|
qls_mdelay(__func__, 1);
|
|
}
|
|
|
|
if (ha->flags.qla_callout_init)
|
|
callout_stop(&ha->tx_callout);
|
|
|
|
if (ha->ifp != NULL)
|
|
ether_ifdetach(ha->ifp);
|
|
|
|
qls_free_dma(ha);
|
|
qls_free_parent_dma_tag(ha);
|
|
|
|
for (i = 0; i < ha->num_rx_rings; i++) {
|
|
|
|
if (ha->irq_vec[i].handle) {
|
|
(void)bus_teardown_intr(dev, ha->irq_vec[i].irq,
|
|
ha->irq_vec[i].handle);
|
|
}
|
|
|
|
if (ha->irq_vec[i].irq) {
|
|
(void)bus_release_resource(dev, SYS_RES_IRQ,
|
|
ha->irq_vec[i].irq_rid,
|
|
ha->irq_vec[i].irq);
|
|
}
|
|
}
|
|
|
|
if (ha->msix_count)
|
|
pci_release_msi(dev);
|
|
|
|
if (ha->flags.lock_init) {
|
|
mtx_destroy(&ha->tx_lock);
|
|
mtx_destroy(&ha->hw_lock);
|
|
}
|
|
|
|
if (ha->pci_reg)
|
|
(void) bus_release_resource(dev, SYS_RES_MEMORY, ha->reg_rid,
|
|
ha->pci_reg);
|
|
|
|
if (ha->pci_reg1)
|
|
(void) bus_release_resource(dev, SYS_RES_MEMORY, ha->reg_rid1,
|
|
ha->pci_reg1);
|
|
}
|
|
|
|
/*
|
|
* DMA Related Functions
|
|
*/
|
|
|
|
static void
|
|
qls_dmamap_callback(void *arg, bus_dma_segment_t *segs, int nsegs, int error)
|
|
{
|
|
*((bus_addr_t *)arg) = 0;
|
|
|
|
if (error) {
|
|
printf("%s: bus_dmamap_load failed (%d)\n", __func__, error);
|
|
return;
|
|
}
|
|
|
|
*((bus_addr_t *)arg) = segs[0].ds_addr;
|
|
|
|
return;
|
|
}
|
|
|
|
int
|
|
qls_alloc_dmabuf(qla_host_t *ha, qla_dma_t *dma_buf)
|
|
{
|
|
int ret = 0;
|
|
device_t dev;
|
|
bus_addr_t b_addr;
|
|
|
|
dev = ha->pci_dev;
|
|
|
|
QL_DPRINT2((dev, "%s: enter\n", __func__));
|
|
|
|
ret = bus_dma_tag_create(
|
|
ha->parent_tag,/* parent */
|
|
dma_buf->alignment,
|
|
((bus_size_t)(1ULL << 32)),/* boundary */
|
|
BUS_SPACE_MAXADDR, /* lowaddr */
|
|
BUS_SPACE_MAXADDR, /* highaddr */
|
|
NULL, NULL, /* filter, filterarg */
|
|
dma_buf->size, /* maxsize */
|
|
1, /* nsegments */
|
|
dma_buf->size, /* maxsegsize */
|
|
0, /* flags */
|
|
NULL, NULL, /* lockfunc, lockarg */
|
|
&dma_buf->dma_tag);
|
|
|
|
if (ret) {
|
|
device_printf(dev, "%s: could not create dma tag\n", __func__);
|
|
goto qls_alloc_dmabuf_exit;
|
|
}
|
|
ret = bus_dmamem_alloc(dma_buf->dma_tag,
|
|
(void **)&dma_buf->dma_b,
|
|
(BUS_DMA_ZERO | BUS_DMA_COHERENT | BUS_DMA_NOWAIT),
|
|
&dma_buf->dma_map);
|
|
if (ret) {
|
|
bus_dma_tag_destroy(dma_buf->dma_tag);
|
|
device_printf(dev, "%s: bus_dmamem_alloc failed\n", __func__);
|
|
goto qls_alloc_dmabuf_exit;
|
|
}
|
|
|
|
ret = bus_dmamap_load(dma_buf->dma_tag,
|
|
dma_buf->dma_map,
|
|
dma_buf->dma_b,
|
|
dma_buf->size,
|
|
qls_dmamap_callback,
|
|
&b_addr, BUS_DMA_NOWAIT);
|
|
|
|
if (ret || !b_addr) {
|
|
bus_dma_tag_destroy(dma_buf->dma_tag);
|
|
bus_dmamem_free(dma_buf->dma_tag, dma_buf->dma_b,
|
|
dma_buf->dma_map);
|
|
ret = -1;
|
|
goto qls_alloc_dmabuf_exit;
|
|
}
|
|
|
|
dma_buf->dma_addr = b_addr;
|
|
|
|
qls_alloc_dmabuf_exit:
|
|
QL_DPRINT2((dev, "%s: exit ret 0x%08x tag %p map %p b %p sz 0x%x\n",
|
|
__func__, ret, (void *)dma_buf->dma_tag,
|
|
(void *)dma_buf->dma_map, (void *)dma_buf->dma_b,
|
|
dma_buf->size));
|
|
|
|
return ret;
|
|
}
|
|
|
|
void
|
|
qls_free_dmabuf(qla_host_t *ha, qla_dma_t *dma_buf)
|
|
{
|
|
bus_dmamap_unload(dma_buf->dma_tag, dma_buf->dma_map);
|
|
bus_dmamem_free(dma_buf->dma_tag, dma_buf->dma_b, dma_buf->dma_map);
|
|
bus_dma_tag_destroy(dma_buf->dma_tag);
|
|
}
|
|
|
|
static int
|
|
qls_alloc_parent_dma_tag(qla_host_t *ha)
|
|
{
|
|
int ret;
|
|
device_t dev;
|
|
|
|
dev = ha->pci_dev;
|
|
|
|
/*
|
|
* Allocate parent DMA Tag
|
|
*/
|
|
ret = bus_dma_tag_create(
|
|
bus_get_dma_tag(dev), /* parent */
|
|
1,((bus_size_t)(1ULL << 32)),/* alignment, boundary */
|
|
BUS_SPACE_MAXADDR, /* lowaddr */
|
|
BUS_SPACE_MAXADDR, /* highaddr */
|
|
NULL, NULL, /* filter, filterarg */
|
|
BUS_SPACE_MAXSIZE_32BIT,/* maxsize */
|
|
0, /* nsegments */
|
|
BUS_SPACE_MAXSIZE_32BIT,/* maxsegsize */
|
|
0, /* flags */
|
|
NULL, NULL, /* lockfunc, lockarg */
|
|
&ha->parent_tag);
|
|
|
|
if (ret) {
|
|
device_printf(dev, "%s: could not create parent dma tag\n",
|
|
__func__);
|
|
return (-1);
|
|
}
|
|
|
|
ha->flags.parent_tag = 1;
|
|
|
|
return (0);
|
|
}
|
|
|
|
static void
|
|
qls_free_parent_dma_tag(qla_host_t *ha)
|
|
{
|
|
if (ha->flags.parent_tag) {
|
|
bus_dma_tag_destroy(ha->parent_tag);
|
|
ha->flags.parent_tag = 0;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Name: qls_init_ifnet
|
|
* Function: Creates the Network Device Interface and Registers it with the O.S
|
|
*/
|
|
|
|
static void
|
|
qls_init_ifnet(device_t dev, qla_host_t *ha)
|
|
{
|
|
struct ifnet *ifp;
|
|
|
|
QL_DPRINT2((dev, "%s: enter\n", __func__));
|
|
|
|
ifp = ha->ifp = if_alloc(IFT_ETHER);
|
|
|
|
if (ifp == NULL)
|
|
panic("%s: cannot if_alloc()\n", device_get_nameunit(dev));
|
|
|
|
if_initname(ifp, device_get_name(dev), device_get_unit(dev));
|
|
ifp->if_baudrate = IF_Gbps(10);
|
|
ifp->if_init = qls_init;
|
|
ifp->if_softc = ha;
|
|
ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST;
|
|
ifp->if_ioctl = qls_ioctl;
|
|
ifp->if_start = qls_start;
|
|
|
|
IFQ_SET_MAXLEN(&ifp->if_snd, qls_get_ifq_snd_maxlen(ha));
|
|
ifp->if_snd.ifq_drv_maxlen = qls_get_ifq_snd_maxlen(ha);
|
|
IFQ_SET_READY(&ifp->if_snd);
|
|
|
|
ha->max_frame_size = ifp->if_mtu + ETHER_HDR_LEN + ETHER_CRC_LEN;
|
|
if (ha->max_frame_size <= MCLBYTES) {
|
|
ha->msize = MCLBYTES;
|
|
} else if (ha->max_frame_size <= MJUMPAGESIZE) {
|
|
ha->msize = MJUMPAGESIZE;
|
|
} else
|
|
ha->msize = MJUM9BYTES;
|
|
|
|
ether_ifattach(ifp, qls_get_mac_addr(ha));
|
|
|
|
ifp->if_capabilities = IFCAP_JUMBO_MTU;
|
|
|
|
ifp->if_capabilities |= IFCAP_HWCSUM;
|
|
ifp->if_capabilities |= IFCAP_VLAN_MTU;
|
|
|
|
ifp->if_capabilities |= IFCAP_TSO4;
|
|
ifp->if_capabilities |= IFCAP_VLAN_HWTAGGING;
|
|
ifp->if_capabilities |= IFCAP_VLAN_HWTSO;
|
|
ifp->if_capabilities |= IFCAP_LINKSTATE;
|
|
|
|
ifp->if_capenable = ifp->if_capabilities;
|
|
|
|
ifp->if_hdrlen = sizeof(struct ether_vlan_header);
|
|
|
|
ifmedia_init(&ha->media, IFM_IMASK, qls_media_change, qls_media_status);
|
|
|
|
ifmedia_add(&ha->media, (IFM_ETHER | qls_get_optics(ha) | IFM_FDX), 0,
|
|
NULL);
|
|
ifmedia_add(&ha->media, (IFM_ETHER | IFM_AUTO), 0, NULL);
|
|
|
|
ifmedia_set(&ha->media, (IFM_ETHER | IFM_AUTO));
|
|
|
|
QL_DPRINT2((dev, "%s: exit\n", __func__));
|
|
|
|
return;
|
|
}
|
|
|
|
static void
|
|
qls_init_locked(qla_host_t *ha)
|
|
{
|
|
struct ifnet *ifp = ha->ifp;
|
|
|
|
qls_stop(ha);
|
|
|
|
qls_flush_xmt_bufs(ha);
|
|
|
|
if (qls_alloc_rcv_bufs(ha) != 0)
|
|
return;
|
|
|
|
if (qls_config_lro(ha))
|
|
return;
|
|
|
|
bcopy(IF_LLADDR(ha->ifp), ha->mac_addr, ETHER_ADDR_LEN);
|
|
|
|
ifp->if_hwassist = CSUM_IP;
|
|
ifp->if_hwassist |= CSUM_TCP;
|
|
ifp->if_hwassist |= CSUM_UDP;
|
|
ifp->if_hwassist |= CSUM_TSO;
|
|
|
|
if (qls_init_hw_if(ha) == 0) {
|
|
ifp = ha->ifp;
|
|
ifp->if_drv_flags |= IFF_DRV_RUNNING;
|
|
ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
|
|
ha->flags.qla_watchdog_pause = 0;
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
static void
|
|
qls_init(void *arg)
|
|
{
|
|
qla_host_t *ha;
|
|
|
|
ha = (qla_host_t *)arg;
|
|
|
|
QL_DPRINT2((ha->pci_dev, "%s: enter\n", __func__));
|
|
|
|
(void)QLA_LOCK(ha, __func__, 0);
|
|
qls_init_locked(ha);
|
|
QLA_UNLOCK(ha, __func__);
|
|
|
|
QL_DPRINT2((ha->pci_dev, "%s: exit\n", __func__));
|
|
}
|
|
|
|
static void
|
|
qls_set_multi(qla_host_t *ha, uint32_t add_multi)
|
|
{
|
|
uint8_t mta[Q8_MAX_NUM_MULTICAST_ADDRS * Q8_MAC_ADDR_LEN];
|
|
struct ifmultiaddr *ifma;
|
|
int mcnt = 0;
|
|
struct ifnet *ifp = ha->ifp;
|
|
|
|
if_maddr_rlock(ifp);
|
|
|
|
TAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link) {
|
|
|
|
if (ifma->ifma_addr->sa_family != AF_LINK)
|
|
continue;
|
|
|
|
if (mcnt == Q8_MAX_NUM_MULTICAST_ADDRS)
|
|
break;
|
|
|
|
bcopy(LLADDR((struct sockaddr_dl *) ifma->ifma_addr),
|
|
&mta[mcnt * Q8_MAC_ADDR_LEN], Q8_MAC_ADDR_LEN);
|
|
|
|
mcnt++;
|
|
}
|
|
|
|
if_maddr_runlock(ifp);
|
|
|
|
if (QLA_LOCK(ha, __func__, 1) == 0) {
|
|
qls_hw_set_multi(ha, mta, mcnt, add_multi);
|
|
QLA_UNLOCK(ha, __func__);
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
static int
|
|
qls_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data)
|
|
{
|
|
int ret = 0;
|
|
struct ifreq *ifr = (struct ifreq *)data;
|
|
struct ifaddr *ifa = (struct ifaddr *)data;
|
|
qla_host_t *ha;
|
|
|
|
ha = (qla_host_t *)ifp->if_softc;
|
|
|
|
switch (cmd) {
|
|
case SIOCSIFADDR:
|
|
QL_DPRINT4((ha->pci_dev, "%s: SIOCSIFADDR (0x%lx)\n",
|
|
__func__, cmd));
|
|
|
|
if (ifa->ifa_addr->sa_family == AF_INET) {
|
|
ifp->if_flags |= IFF_UP;
|
|
if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)) {
|
|
(void)QLA_LOCK(ha, __func__, 0);
|
|
qls_init_locked(ha);
|
|
QLA_UNLOCK(ha, __func__);
|
|
}
|
|
QL_DPRINT4((ha->pci_dev,
|
|
"%s: SIOCSIFADDR (0x%lx) ipv4 [0x%08x]\n",
|
|
__func__, cmd,
|
|
ntohl(IA_SIN(ifa)->sin_addr.s_addr)));
|
|
|
|
arp_ifinit(ifp, ifa);
|
|
} else {
|
|
ether_ioctl(ifp, cmd, data);
|
|
}
|
|
break;
|
|
|
|
case SIOCSIFMTU:
|
|
QL_DPRINT4((ha->pci_dev, "%s: SIOCSIFMTU (0x%lx)\n",
|
|
__func__, cmd));
|
|
|
|
if (ifr->ifr_mtu > QLA_MAX_MTU) {
|
|
ret = EINVAL;
|
|
} else {
|
|
(void) QLA_LOCK(ha, __func__, 0);
|
|
|
|
ifp->if_mtu = ifr->ifr_mtu;
|
|
ha->max_frame_size =
|
|
ifp->if_mtu + ETHER_HDR_LEN + ETHER_CRC_LEN;
|
|
|
|
QLA_UNLOCK(ha, __func__);
|
|
|
|
if (ret)
|
|
ret = EINVAL;
|
|
}
|
|
|
|
break;
|
|
|
|
case SIOCSIFFLAGS:
|
|
QL_DPRINT4((ha->pci_dev, "%s: SIOCSIFFLAGS (0x%lx)\n",
|
|
__func__, cmd));
|
|
|
|
(void)QLA_LOCK(ha, __func__, 0);
|
|
|
|
if (ifp->if_flags & IFF_UP) {
|
|
if ((ifp->if_drv_flags & IFF_DRV_RUNNING)) {
|
|
if ((ifp->if_flags ^ ha->if_flags) &
|
|
IFF_PROMISC) {
|
|
ret = qls_set_promisc(ha);
|
|
} else if ((ifp->if_flags ^ ha->if_flags) &
|
|
IFF_ALLMULTI) {
|
|
ret = qls_set_allmulti(ha);
|
|
}
|
|
} else {
|
|
ha->max_frame_size = ifp->if_mtu +
|
|
ETHER_HDR_LEN + ETHER_CRC_LEN;
|
|
qls_init_locked(ha);
|
|
}
|
|
} else {
|
|
if (ifp->if_drv_flags & IFF_DRV_RUNNING)
|
|
qls_stop(ha);
|
|
ha->if_flags = ifp->if_flags;
|
|
}
|
|
|
|
QLA_UNLOCK(ha, __func__);
|
|
break;
|
|
|
|
case SIOCADDMULTI:
|
|
QL_DPRINT4((ha->pci_dev,
|
|
"%s: %s (0x%lx)\n", __func__, "SIOCADDMULTI", cmd));
|
|
|
|
if (ifp->if_drv_flags & IFF_DRV_RUNNING) {
|
|
qls_set_multi(ha, 1);
|
|
}
|
|
break;
|
|
|
|
case SIOCDELMULTI:
|
|
QL_DPRINT4((ha->pci_dev,
|
|
"%s: %s (0x%lx)\n", __func__, "SIOCDELMULTI", cmd));
|
|
|
|
if (ifp->if_drv_flags & IFF_DRV_RUNNING) {
|
|
qls_set_multi(ha, 0);
|
|
}
|
|
break;
|
|
|
|
case SIOCSIFMEDIA:
|
|
case SIOCGIFMEDIA:
|
|
QL_DPRINT4((ha->pci_dev,
|
|
"%s: SIOCSIFMEDIA/SIOCGIFMEDIA (0x%lx)\n",
|
|
__func__, cmd));
|
|
ret = ifmedia_ioctl(ifp, ifr, &ha->media, cmd);
|
|
break;
|
|
|
|
case SIOCSIFCAP:
|
|
{
|
|
int mask = ifr->ifr_reqcap ^ ifp->if_capenable;
|
|
|
|
QL_DPRINT4((ha->pci_dev, "%s: SIOCSIFCAP (0x%lx)\n",
|
|
__func__, cmd));
|
|
|
|
if (mask & IFCAP_HWCSUM)
|
|
ifp->if_capenable ^= IFCAP_HWCSUM;
|
|
if (mask & IFCAP_TSO4)
|
|
ifp->if_capenable ^= IFCAP_TSO4;
|
|
if (mask & IFCAP_VLAN_HWTAGGING)
|
|
ifp->if_capenable ^= IFCAP_VLAN_HWTAGGING;
|
|
if (mask & IFCAP_VLAN_HWTSO)
|
|
ifp->if_capenable ^= IFCAP_VLAN_HWTSO;
|
|
|
|
if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
|
|
qls_init(ha);
|
|
|
|
VLAN_CAPABILITIES(ifp);
|
|
break;
|
|
}
|
|
|
|
default:
|
|
QL_DPRINT4((ha->pci_dev, "%s: default (0x%lx)\n",
|
|
__func__, cmd));
|
|
ret = ether_ioctl(ifp, cmd, data);
|
|
break;
|
|
}
|
|
|
|
return (ret);
|
|
}
|
|
|
|
static int
|
|
qls_media_change(struct ifnet *ifp)
|
|
{
|
|
qla_host_t *ha;
|
|
struct ifmedia *ifm;
|
|
int ret = 0;
|
|
|
|
ha = (qla_host_t *)ifp->if_softc;
|
|
|
|
QL_DPRINT2((ha->pci_dev, "%s: enter\n", __func__));
|
|
|
|
ifm = &ha->media;
|
|
|
|
if (IFM_TYPE(ifm->ifm_media) != IFM_ETHER)
|
|
ret = EINVAL;
|
|
|
|
QL_DPRINT2((ha->pci_dev, "%s: exit\n", __func__));
|
|
|
|
return (ret);
|
|
}
|
|
|
|
static void
|
|
qls_media_status(struct ifnet *ifp, struct ifmediareq *ifmr)
|
|
{
|
|
qla_host_t *ha;
|
|
|
|
ha = (qla_host_t *)ifp->if_softc;
|
|
|
|
QL_DPRINT2((ha->pci_dev, "%s: enter\n", __func__));
|
|
|
|
ifmr->ifm_status = IFM_AVALID;
|
|
ifmr->ifm_active = IFM_ETHER;
|
|
|
|
qls_update_link_state(ha);
|
|
if (ha->link_up) {
|
|
ifmr->ifm_status |= IFM_ACTIVE;
|
|
ifmr->ifm_active |= (IFM_FDX | qls_get_optics(ha));
|
|
}
|
|
|
|
QL_DPRINT2((ha->pci_dev, "%s: exit (%s)\n", __func__,\
|
|
(ha->link_up ? "link_up" : "link_down")));
|
|
|
|
return;
|
|
}
|
|
|
|
static void
|
|
qls_start(struct ifnet *ifp)
|
|
{
|
|
int i, ret = 0;
|
|
struct mbuf *m_head;
|
|
qla_host_t *ha = (qla_host_t *)ifp->if_softc;
|
|
|
|
QL_DPRINT8((ha->pci_dev, "%s: enter\n", __func__));
|
|
|
|
if (!mtx_trylock(&ha->tx_lock)) {
|
|
QL_DPRINT8((ha->pci_dev,
|
|
"%s: mtx_trylock(&ha->tx_lock) failed\n", __func__));
|
|
return;
|
|
}
|
|
|
|
if ((ifp->if_drv_flags & (IFF_DRV_RUNNING | IFF_DRV_OACTIVE)) ==
|
|
IFF_DRV_RUNNING) {
|
|
|
|
for (i = 0; i < ha->num_tx_rings; i++) {
|
|
ret |= qls_hw_tx_done(ha, i);
|
|
}
|
|
|
|
if (ret == 0)
|
|
ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
|
|
}
|
|
|
|
if ((ifp->if_drv_flags & (IFF_DRV_RUNNING | IFF_DRV_OACTIVE)) !=
|
|
IFF_DRV_RUNNING) {
|
|
QL_DPRINT8((ha->pci_dev, "%s: !IFF_DRV_RUNNING\n", __func__));
|
|
QLA_TX_UNLOCK(ha);
|
|
return;
|
|
}
|
|
|
|
if (!ha->link_up) {
|
|
qls_update_link_state(ha);
|
|
if (!ha->link_up) {
|
|
QL_DPRINT8((ha->pci_dev, "%s: link down\n", __func__));
|
|
QLA_TX_UNLOCK(ha);
|
|
return;
|
|
}
|
|
}
|
|
|
|
while (ifp->if_snd.ifq_head != NULL) {
|
|
|
|
IF_DEQUEUE(&ifp->if_snd, m_head);
|
|
|
|
if (m_head == NULL) {
|
|
QL_DPRINT8((ha->pci_dev, "%s: m_head == NULL\n",
|
|
__func__));
|
|
break;
|
|
}
|
|
|
|
if (qls_send(ha, &m_head)) {
|
|
if (m_head == NULL)
|
|
break;
|
|
QL_DPRINT8((ha->pci_dev, "%s: PREPEND\n", __func__));
|
|
ifp->if_drv_flags |= IFF_DRV_OACTIVE;
|
|
IF_PREPEND(&ifp->if_snd, m_head);
|
|
break;
|
|
}
|
|
/* Send a copy of the frame to the BPF listener */
|
|
ETHER_BPF_MTAP(ifp, m_head);
|
|
}
|
|
|
|
QLA_TX_UNLOCK(ha);
|
|
QL_DPRINT8((ha->pci_dev, "%s: exit\n", __func__));
|
|
return;
|
|
}
|
|
|
|
static int
|
|
qls_send(qla_host_t *ha, struct mbuf **m_headp)
|
|
{
|
|
bus_dma_segment_t segs[QLA_MAX_SEGMENTS];
|
|
bus_dmamap_t map;
|
|
int nsegs;
|
|
int ret = -1;
|
|
uint32_t tx_idx;
|
|
struct mbuf *m_head = *m_headp;
|
|
uint32_t txr_idx = 0;
|
|
|
|
QL_DPRINT8((ha->pci_dev, "%s: enter\n", __func__));
|
|
|
|
if (m_head->m_flags & M_FLOWID)
|
|
txr_idx = m_head->m_pkthdr.flowid & (ha->num_tx_rings - 1);
|
|
|
|
tx_idx = ha->tx_ring[txr_idx].txr_next;
|
|
|
|
map = ha->tx_ring[txr_idx].tx_buf[tx_idx].map;
|
|
|
|
ret = bus_dmamap_load_mbuf_sg(ha->tx_tag, map, m_head, segs, &nsegs,
|
|
BUS_DMA_NOWAIT);
|
|
|
|
if (ret == EFBIG) {
|
|
|
|
struct mbuf *m;
|
|
|
|
QL_DPRINT8((ha->pci_dev, "%s: EFBIG [%d]\n", __func__,
|
|
m_head->m_pkthdr.len));
|
|
|
|
m = m_defrag(m_head, M_NOWAIT);
|
|
if (m == NULL) {
|
|
ha->err_tx_defrag++;
|
|
m_freem(m_head);
|
|
*m_headp = NULL;
|
|
device_printf(ha->pci_dev,
|
|
"%s: m_defrag() = NULL [%d]\n",
|
|
__func__, ret);
|
|
return (ENOBUFS);
|
|
}
|
|
m_head = m;
|
|
*m_headp = m_head;
|
|
|
|
if ((ret = bus_dmamap_load_mbuf_sg(ha->tx_tag, map, m_head,
|
|
segs, &nsegs, BUS_DMA_NOWAIT))) {
|
|
|
|
ha->err_tx_dmamap_load++;
|
|
|
|
device_printf(ha->pci_dev,
|
|
"%s: bus_dmamap_load_mbuf_sg failed0[%d, %d]\n",
|
|
__func__, ret, m_head->m_pkthdr.len);
|
|
|
|
if (ret != ENOMEM) {
|
|
m_freem(m_head);
|
|
*m_headp = NULL;
|
|
}
|
|
return (ret);
|
|
}
|
|
|
|
} else if (ret) {
|
|
|
|
ha->err_tx_dmamap_load++;
|
|
|
|
device_printf(ha->pci_dev,
|
|
"%s: bus_dmamap_load_mbuf_sg failed1[%d, %d]\n",
|
|
__func__, ret, m_head->m_pkthdr.len);
|
|
|
|
if (ret != ENOMEM) {
|
|
m_freem(m_head);
|
|
*m_headp = NULL;
|
|
}
|
|
return (ret);
|
|
}
|
|
|
|
QL_ASSERT(ha, (nsegs != 0), ("qls_send: empty packet"));
|
|
|
|
bus_dmamap_sync(ha->tx_tag, map, BUS_DMASYNC_PREWRITE);
|
|
|
|
if (!(ret = qls_hw_send(ha, segs, nsegs, tx_idx, m_head, txr_idx))) {
|
|
|
|
ha->tx_ring[txr_idx].count++;
|
|
ha->tx_ring[txr_idx].tx_buf[tx_idx].m_head = m_head;
|
|
ha->tx_ring[txr_idx].tx_buf[tx_idx].map = map;
|
|
} else {
|
|
if (ret == EINVAL) {
|
|
if (m_head)
|
|
m_freem(m_head);
|
|
*m_headp = NULL;
|
|
}
|
|
}
|
|
|
|
QL_DPRINT8((ha->pci_dev, "%s: exit\n", __func__));
|
|
return (ret);
|
|
}
|
|
|
|
static void
|
|
qls_stop(qla_host_t *ha)
|
|
{
|
|
struct ifnet *ifp = ha->ifp;
|
|
device_t dev;
|
|
|
|
dev = ha->pci_dev;
|
|
|
|
ifp->if_drv_flags &= ~(IFF_DRV_OACTIVE | IFF_DRV_RUNNING);
|
|
|
|
ha->flags.qla_watchdog_pause = 1;
|
|
|
|
while (!ha->qla_watchdog_paused)
|
|
qls_mdelay(__func__, 1);
|
|
|
|
qls_del_hw_if(ha);
|
|
|
|
qls_free_lro(ha);
|
|
|
|
qls_flush_xmt_bufs(ha);
|
|
qls_free_rcv_bufs(ha);
|
|
|
|
return;
|
|
}
|
|
|
|
/*
|
|
* Buffer Management Functions for Transmit and Receive Rings
|
|
*/
|
|
/*
|
|
* Release mbuf after it sent on the wire
|
|
*/
|
|
static void
|
|
qls_flush_tx_buf(qla_host_t *ha, qla_tx_buf_t *txb)
|
|
{
|
|
QL_DPRINT2((ha->pci_dev, "%s: enter\n", __func__));
|
|
|
|
if (txb->m_head) {
|
|
|
|
bus_dmamap_unload(ha->tx_tag, txb->map);
|
|
|
|
m_freem(txb->m_head);
|
|
txb->m_head = NULL;
|
|
}
|
|
|
|
QL_DPRINT2((ha->pci_dev, "%s: exit\n", __func__));
|
|
}
|
|
|
|
static void
|
|
qls_flush_xmt_bufs(qla_host_t *ha)
|
|
{
|
|
int i, j;
|
|
|
|
for (j = 0; j < ha->num_tx_rings; j++) {
|
|
for (i = 0; i < NUM_TX_DESCRIPTORS; i++)
|
|
qls_flush_tx_buf(ha, &ha->tx_ring[j].tx_buf[i]);
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
|
|
static int
|
|
qls_alloc_rcv_mbufs(qla_host_t *ha, int r)
|
|
{
|
|
int i, j, ret = 0;
|
|
qla_rx_buf_t *rxb;
|
|
qla_rx_ring_t *rx_ring;
|
|
volatile q81_bq_addr_e_t *sbq_e;
|
|
|
|
|
|
rx_ring = &ha->rx_ring[r];
|
|
|
|
for (i = 0; i < NUM_RX_DESCRIPTORS; i++) {
|
|
|
|
rxb = &rx_ring->rx_buf[i];
|
|
|
|
ret = bus_dmamap_create(ha->rx_tag, BUS_DMA_NOWAIT, &rxb->map);
|
|
|
|
if (ret) {
|
|
device_printf(ha->pci_dev,
|
|
"%s: dmamap[%d, %d] failed\n", __func__, r, i);
|
|
|
|
for (j = 0; j < i; j++) {
|
|
rxb = &rx_ring->rx_buf[j];
|
|
bus_dmamap_destroy(ha->rx_tag, rxb->map);
|
|
}
|
|
goto qls_alloc_rcv_mbufs_err;
|
|
}
|
|
}
|
|
|
|
rx_ring = &ha->rx_ring[r];
|
|
|
|
sbq_e = rx_ring->sbq_vaddr;
|
|
|
|
rxb = &rx_ring->rx_buf[0];
|
|
|
|
for (i = 0; i < NUM_RX_DESCRIPTORS; i++) {
|
|
|
|
if (!(ret = qls_get_mbuf(ha, rxb, NULL))) {
|
|
|
|
/*
|
|
* set the physical address in the
|
|
* corresponding descriptor entry in the
|
|
* receive ring/queue for the hba
|
|
*/
|
|
|
|
sbq_e->addr_lo = rxb->paddr & 0xFFFFFFFF;
|
|
sbq_e->addr_hi = (rxb->paddr >> 32) & 0xFFFFFFFF;
|
|
|
|
} else {
|
|
device_printf(ha->pci_dev,
|
|
"%s: qls_get_mbuf [%d, %d] failed\n",
|
|
__func__, r, i);
|
|
bus_dmamap_destroy(ha->rx_tag, rxb->map);
|
|
goto qls_alloc_rcv_mbufs_err;
|
|
}
|
|
|
|
rxb++;
|
|
sbq_e++;
|
|
}
|
|
return 0;
|
|
|
|
qls_alloc_rcv_mbufs_err:
|
|
return (-1);
|
|
}
|
|
|
|
static void
|
|
qls_free_rcv_bufs(qla_host_t *ha)
|
|
{
|
|
int i, r;
|
|
qla_rx_buf_t *rxb;
|
|
qla_rx_ring_t *rxr;
|
|
|
|
for (r = 0; r < ha->num_rx_rings; r++) {
|
|
|
|
rxr = &ha->rx_ring[r];
|
|
|
|
for (i = 0; i < NUM_RX_DESCRIPTORS; i++) {
|
|
|
|
rxb = &rxr->rx_buf[i];
|
|
|
|
if (rxb->m_head != NULL) {
|
|
bus_dmamap_unload(ha->rx_tag, rxb->map);
|
|
bus_dmamap_destroy(ha->rx_tag, rxb->map);
|
|
m_freem(rxb->m_head);
|
|
}
|
|
}
|
|
bzero(rxr->rx_buf, (sizeof(qla_rx_buf_t) * NUM_RX_DESCRIPTORS));
|
|
}
|
|
return;
|
|
}
|
|
|
|
static int
|
|
qls_alloc_rcv_bufs(qla_host_t *ha)
|
|
{
|
|
int r, ret = 0;
|
|
qla_rx_ring_t *rxr;
|
|
|
|
for (r = 0; r < ha->num_rx_rings; r++) {
|
|
rxr = &ha->rx_ring[r];
|
|
bzero(rxr->rx_buf, (sizeof(qla_rx_buf_t) * NUM_RX_DESCRIPTORS));
|
|
}
|
|
|
|
for (r = 0; r < ha->num_rx_rings; r++) {
|
|
|
|
ret = qls_alloc_rcv_mbufs(ha, r);
|
|
|
|
if (ret)
|
|
qls_free_rcv_bufs(ha);
|
|
}
|
|
|
|
return (ret);
|
|
}
|
|
|
|
int
|
|
qls_get_mbuf(qla_host_t *ha, qla_rx_buf_t *rxb, struct mbuf *nmp)
|
|
{
|
|
register struct mbuf *mp = nmp;
|
|
struct ifnet *ifp;
|
|
int ret = 0;
|
|
uint32_t offset;
|
|
bus_dma_segment_t segs[1];
|
|
int nsegs;
|
|
|
|
QL_DPRINT2((ha->pci_dev, "%s: enter\n", __func__));
|
|
|
|
ifp = ha->ifp;
|
|
|
|
if (mp == NULL) {
|
|
|
|
mp = m_getjcl(M_NOWAIT, MT_DATA, M_PKTHDR, ha->msize);
|
|
|
|
if (mp == NULL) {
|
|
|
|
if (ha->msize == MCLBYTES)
|
|
ha->err_m_getcl++;
|
|
else
|
|
ha->err_m_getjcl++;
|
|
|
|
ret = ENOBUFS;
|
|
device_printf(ha->pci_dev,
|
|
"%s: m_getcl failed\n", __func__);
|
|
goto exit_qls_get_mbuf;
|
|
}
|
|
mp->m_len = mp->m_pkthdr.len = ha->msize;
|
|
} else {
|
|
mp->m_len = mp->m_pkthdr.len = ha->msize;
|
|
mp->m_data = mp->m_ext.ext_buf;
|
|
mp->m_next = NULL;
|
|
}
|
|
|
|
/* align the receive buffers to 8 byte boundary */
|
|
offset = (uint32_t)((unsigned long long)mp->m_data & 0x7ULL);
|
|
if (offset) {
|
|
offset = 8 - offset;
|
|
m_adj(mp, offset);
|
|
}
|
|
|
|
/*
|
|
* Using memory from the mbuf cluster pool, invoke the bus_dma
|
|
* machinery to arrange the memory mapping.
|
|
*/
|
|
ret = bus_dmamap_load_mbuf_sg(ha->rx_tag, rxb->map,
|
|
mp, segs, &nsegs, BUS_DMA_NOWAIT);
|
|
rxb->paddr = segs[0].ds_addr;
|
|
|
|
if (ret || !rxb->paddr || (nsegs != 1)) {
|
|
m_freem(mp);
|
|
rxb->m_head = NULL;
|
|
device_printf(ha->pci_dev,
|
|
"%s: bus_dmamap_load failed[%d, 0x%016llx, %d]\n",
|
|
__func__, ret, (long long unsigned int)rxb->paddr,
|
|
nsegs);
|
|
ret = -1;
|
|
goto exit_qls_get_mbuf;
|
|
}
|
|
rxb->m_head = mp;
|
|
bus_dmamap_sync(ha->rx_tag, rxb->map, BUS_DMASYNC_PREREAD);
|
|
|
|
exit_qls_get_mbuf:
|
|
QL_DPRINT2((ha->pci_dev, "%s: exit ret = 0x%08x\n", __func__, ret));
|
|
return (ret);
|
|
}
|
|
|
|
static void
|
|
qls_tx_done(void *context, int pending)
|
|
{
|
|
qla_host_t *ha = context;
|
|
struct ifnet *ifp;
|
|
|
|
ifp = ha->ifp;
|
|
|
|
if (!ifp)
|
|
return;
|
|
|
|
if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)) {
|
|
QL_DPRINT8((ha->pci_dev, "%s: !IFF_DRV_RUNNING\n", __func__));
|
|
return;
|
|
}
|
|
|
|
qls_start(ha->ifp);
|
|
return;
|
|
}
|
|
|
|
static int
|
|
qls_config_lro(qla_host_t *ha)
|
|
{
|
|
int i;
|
|
struct lro_ctrl *lro;
|
|
|
|
for (i = 0; i < ha->num_rx_rings; i++) {
|
|
lro = &ha->rx_ring[i].lro;
|
|
if (tcp_lro_init(lro)) {
|
|
device_printf(ha->pci_dev, "%s: tcp_lro_init failed\n",
|
|
__func__);
|
|
return (-1);
|
|
}
|
|
lro->ifp = ha->ifp;
|
|
}
|
|
ha->flags.lro_init = 1;
|
|
|
|
QL_DPRINT2((ha->pci_dev, "%s: LRO initialized\n", __func__));
|
|
return (0);
|
|
}
|
|
|
|
static void
|
|
qls_free_lro(qla_host_t *ha)
|
|
{
|
|
int i;
|
|
struct lro_ctrl *lro;
|
|
|
|
if (!ha->flags.lro_init)
|
|
return;
|
|
|
|
for (i = 0; i < ha->num_rx_rings; i++) {
|
|
lro = &ha->rx_ring[i].lro;
|
|
tcp_lro_free(lro);
|
|
}
|
|
ha->flags.lro_init = 0;
|
|
}
|
|
|
|
static void
|
|
qls_error_recovery(void *context, int pending)
|
|
{
|
|
qla_host_t *ha = context;
|
|
|
|
qls_init(ha);
|
|
|
|
return;
|
|
}
|
|
|