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path: root/drivers/net/qlge/qlge_main.c
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Diffstat (limited to 'drivers/net/qlge/qlge_main.c')
-rw-r--r--drivers/net/qlge/qlge_main.c219
1 files changed, 145 insertions, 74 deletions
diff --git a/drivers/net/qlge/qlge_main.c b/drivers/net/qlge/qlge_main.c
index 7783c5db81d..a2fc70a0d0c 100644
--- a/drivers/net/qlge/qlge_main.c
+++ b/drivers/net/qlge/qlge_main.c
@@ -34,7 +34,6 @@
#include <linux/etherdevice.h>
#include <linux/ethtool.h>
#include <linux/skbuff.h>
-#include <linux/rtnetlink.h>
#include <linux/if_vlan.h>
#include <linux/delay.h>
#include <linux/mm.h>
@@ -321,6 +320,37 @@ static int ql_set_mac_addr_reg(struct ql_adapter *qdev, u8 *addr, u32 type,
switch (type) {
case MAC_ADDR_TYPE_MULTI_MAC:
+ {
+ u32 upper = (addr[0] << 8) | addr[1];
+ u32 lower = (addr[2] << 24) | (addr[3] << 16) |
+ (addr[4] << 8) | (addr[5]);
+
+ status =
+ ql_wait_reg_rdy(qdev,
+ MAC_ADDR_IDX, MAC_ADDR_MW, 0);
+ if (status)
+ goto exit;
+ ql_write32(qdev, MAC_ADDR_IDX, (offset++) |
+ (index << MAC_ADDR_IDX_SHIFT) |
+ type | MAC_ADDR_E);
+ ql_write32(qdev, MAC_ADDR_DATA, lower);
+ status =
+ ql_wait_reg_rdy(qdev,
+ MAC_ADDR_IDX, MAC_ADDR_MW, 0);
+ if (status)
+ goto exit;
+ ql_write32(qdev, MAC_ADDR_IDX, (offset++) |
+ (index << MAC_ADDR_IDX_SHIFT) |
+ type | MAC_ADDR_E);
+
+ ql_write32(qdev, MAC_ADDR_DATA, upper);
+ status =
+ ql_wait_reg_rdy(qdev,
+ MAC_ADDR_IDX, MAC_ADDR_MW, 0);
+ if (status)
+ goto exit;
+ break;
+ }
case MAC_ADDR_TYPE_CAM_MAC:
{
u32 cam_output;
@@ -366,16 +396,14 @@ static int ql_set_mac_addr_reg(struct ql_adapter *qdev, u8 *addr, u32 type,
and possibly the function id. Right now we hardcode
the route field to NIC core.
*/
- if (type == MAC_ADDR_TYPE_CAM_MAC) {
- cam_output = (CAM_OUT_ROUTE_NIC |
- (qdev->
- func << CAM_OUT_FUNC_SHIFT) |
- (0 << CAM_OUT_CQ_ID_SHIFT));
- if (qdev->vlgrp)
- cam_output |= CAM_OUT_RV;
- /* route to NIC core */
- ql_write32(qdev, MAC_ADDR_DATA, cam_output);
- }
+ cam_output = (CAM_OUT_ROUTE_NIC |
+ (qdev->
+ func << CAM_OUT_FUNC_SHIFT) |
+ (0 << CAM_OUT_CQ_ID_SHIFT));
+ if (qdev->vlgrp)
+ cam_output |= CAM_OUT_RV;
+ /* route to NIC core */
+ ql_write32(qdev, MAC_ADDR_DATA, cam_output);
break;
}
case MAC_ADDR_TYPE_VLAN:
@@ -547,14 +575,14 @@ static int ql_set_routing_reg(struct ql_adapter *qdev, u32 index, u32 mask,
}
case RT_IDX_MCAST: /* Pass up All Multicast frames. */
{
- value = RT_IDX_DST_CAM_Q | /* dest */
+ value = RT_IDX_DST_DFLT_Q | /* dest */
RT_IDX_TYPE_NICQ | /* type */
(RT_IDX_ALLMULTI_SLOT << RT_IDX_IDX_SHIFT);/* index */
break;
}
case RT_IDX_MCAST_MATCH: /* Pass up matched Multicast frames. */
{
- value = RT_IDX_DST_CAM_Q | /* dest */
+ value = RT_IDX_DST_DFLT_Q | /* dest */
RT_IDX_TYPE_NICQ | /* type */
(RT_IDX_MCAST_MATCH_SLOT << RT_IDX_IDX_SHIFT);/* index */
break;
@@ -1926,12 +1954,10 @@ static void ql_vlan_rx_add_vid(struct net_device *ndev, u16 vid)
status = ql_sem_spinlock(qdev, SEM_MAC_ADDR_MASK);
if (status)
return;
- spin_lock(&qdev->hw_lock);
if (ql_set_mac_addr_reg
(qdev, (u8 *) &enable_bit, MAC_ADDR_TYPE_VLAN, vid)) {
QPRINTK(qdev, IFUP, ERR, "Failed to init vlan address.\n");
}
- spin_unlock(&qdev->hw_lock);
ql_sem_unlock(qdev, SEM_MAC_ADDR_MASK);
}
@@ -1945,12 +1971,10 @@ static void ql_vlan_rx_kill_vid(struct net_device *ndev, u16 vid)
if (status)
return;
- spin_lock(&qdev->hw_lock);
if (ql_set_mac_addr_reg
(qdev, (u8 *) &enable_bit, MAC_ADDR_TYPE_VLAN, vid)) {
QPRINTK(qdev, IFUP, ERR, "Failed to clear vlan address.\n");
}
- spin_unlock(&qdev->hw_lock);
ql_sem_unlock(qdev, SEM_MAC_ADDR_MASK);
}
@@ -2001,15 +2025,17 @@ static irqreturn_t qlge_isr(int irq, void *dev_id)
/*
* Check MPI processor activity.
*/
- if (var & STS_PI) {
+ if ((var & STS_PI) &&
+ (ql_read32(qdev, INTR_MASK) & INTR_MASK_PI)) {
/*
* We've got an async event or mailbox completion.
* Handle it and clear the source of the interrupt.
*/
QPRINTK(qdev, INTR, ERR, "Got MPI processor interrupt.\n");
ql_disable_completion_interrupt(qdev, intr_context->intr);
- queue_delayed_work_on(smp_processor_id(), qdev->workqueue,
- &qdev->mpi_work, 0);
+ ql_write32(qdev, INTR_MASK, (INTR_MASK_PI << 16));
+ queue_delayed_work_on(smp_processor_id(),
+ qdev->workqueue, &qdev->mpi_work, 0);
work_done++;
}
@@ -3080,6 +3106,12 @@ err_irq:
static int ql_start_rss(struct ql_adapter *qdev)
{
+ u8 init_hash_seed[] = {0x6d, 0x5a, 0x56, 0xda, 0x25, 0x5b, 0x0e, 0xc2,
+ 0x41, 0x67, 0x25, 0x3d, 0x43, 0xa3, 0x8f,
+ 0xb0, 0xd0, 0xca, 0x2b, 0xcb, 0xae, 0x7b,
+ 0x30, 0xb4, 0x77, 0xcb, 0x2d, 0xa3, 0x80,
+ 0x30, 0xf2, 0x0c, 0x6a, 0x42, 0xb7, 0x3b,
+ 0xbe, 0xac, 0x01, 0xfa};
struct ricb *ricb = &qdev->ricb;
int status = 0;
int i;
@@ -3089,21 +3121,17 @@ static int ql_start_rss(struct ql_adapter *qdev)
ricb->base_cq = RSS_L4K;
ricb->flags =
- (RSS_L6K | RSS_LI | RSS_LB | RSS_LM | RSS_RI4 | RSS_RI6 | RSS_RT4 |
- RSS_RT6);
- ricb->mask = cpu_to_le16(qdev->rss_ring_count - 1);
+ (RSS_L6K | RSS_LI | RSS_LB | RSS_LM | RSS_RT4 | RSS_RT6);
+ ricb->mask = cpu_to_le16((u16)(0x3ff));
/*
* Fill out the Indirection Table.
*/
- for (i = 0; i < 256; i++)
- hash_id[i] = i & (qdev->rss_ring_count - 1);
+ for (i = 0; i < 1024; i++)
+ hash_id[i] = (i & (qdev->rss_ring_count - 1));
- /*
- * Random values for the IPv6 and IPv4 Hash Keys.
- */
- get_random_bytes((void *)&ricb->ipv6_hash_key[0], 40);
- get_random_bytes((void *)&ricb->ipv4_hash_key[0], 16);
+ memcpy((void *)&ricb->ipv6_hash_key[0], init_hash_seed, 40);
+ memcpy((void *)&ricb->ipv4_hash_key[0], init_hash_seed, 16);
QPRINTK(qdev, IFUP, DEBUG, "Initializing RSS.\n");
@@ -3142,14 +3170,14 @@ static int ql_route_initialize(struct ql_adapter *qdev)
{
int status = 0;
- status = ql_sem_spinlock(qdev, SEM_RT_IDX_MASK);
+ /* Clear all the entries in the routing table. */
+ status = ql_clear_routing_entries(qdev);
if (status)
return status;
- /* Clear all the entries in the routing table. */
- status = ql_clear_routing_entries(qdev);
+ status = ql_sem_spinlock(qdev, SEM_RT_IDX_MASK);
if (status)
- goto exit;
+ return status;
status = ql_set_routing_reg(qdev, RT_IDX_ALL_ERR_SLOT, RT_IDX_ERR, 1);
if (status) {
@@ -3242,6 +3270,13 @@ static int ql_adapter_initialize(struct ql_adapter *qdev)
ql_write32(qdev, SPLT_HDR, SPLT_HDR_EP |
min(SMALL_BUFFER_SIZE, MAX_SPLIT_SIZE));
+ /* Set RX packet routing to use port/pci function on which the
+ * packet arrived on in addition to usual frame routing.
+ * This is helpful on bonding where both interfaces can have
+ * the same MAC address.
+ */
+ ql_write32(qdev, RST_FO, RST_FO_RR_MASK | RST_FO_RR_RCV_FUNC_CQ);
+
/* Start up the rx queues. */
for (i = 0; i < qdev->rx_ring_count; i++) {
status = ql_start_rx_ring(qdev, &qdev->rx_ring[i]);
@@ -3314,6 +3349,13 @@ static int ql_adapter_reset(struct ql_adapter *qdev)
end_jiffies = jiffies +
max((unsigned long)1, usecs_to_jiffies(30));
+
+ /* Stop management traffic. */
+ ql_mb_set_mgmnt_traffic_ctl(qdev, MB_SET_MPI_TFK_STOP);
+
+ /* Wait for the NIC and MGMNT FIFOs to empty. */
+ ql_wait_fifo_empty(qdev);
+
ql_write32(qdev, RST_FO, (RST_FO_FR << 16) | RST_FO_FR);
do {
@@ -3329,6 +3371,8 @@ static int ql_adapter_reset(struct ql_adapter *qdev)
status = -ETIMEDOUT;
}
+ /* Resume management traffic. */
+ ql_mb_set_mgmnt_traffic_ctl(qdev, MB_SET_MPI_TFK_RESUME);
return status;
}
@@ -3380,12 +3424,10 @@ static int ql_adapter_down(struct ql_adapter *qdev)
ql_free_rx_buffers(qdev);
- spin_lock(&qdev->hw_lock);
status = ql_adapter_reset(qdev);
if (status)
QPRINTK(qdev, IFDOWN, ERR, "reset(func #%d) FAILED!\n",
qdev->func);
- spin_unlock(&qdev->hw_lock);
return status;
}
@@ -3587,7 +3629,6 @@ static void qlge_set_multicast_list(struct net_device *ndev)
status = ql_sem_spinlock(qdev, SEM_RT_IDX_MASK);
if (status)
return;
- spin_lock(&qdev->hw_lock);
/*
* Set or clear promiscuous mode if a
* transition is taking place.
@@ -3664,7 +3705,6 @@ static void qlge_set_multicast_list(struct net_device *ndev)
}
}
exit:
- spin_unlock(&qdev->hw_lock);
ql_sem_unlock(qdev, SEM_RT_IDX_MASK);
}
@@ -3684,10 +3724,8 @@ static int qlge_set_mac_address(struct net_device *ndev, void *p)
status = ql_sem_spinlock(qdev, SEM_MAC_ADDR_MASK);
if (status)
return status;
- spin_lock(&qdev->hw_lock);
status = ql_set_mac_addr_reg(qdev, (u8 *) ndev->dev_addr,
MAC_ADDR_TYPE_CAM_MAC, qdev->func * MAX_CQ);
- spin_unlock(&qdev->hw_lock);
if (status)
QPRINTK(qdev, HW, ERR, "Failed to load MAC address.\n");
ql_sem_unlock(qdev, SEM_MAC_ADDR_MASK);
@@ -3705,7 +3743,7 @@ static void ql_asic_reset_work(struct work_struct *work)
struct ql_adapter *qdev =
container_of(work, struct ql_adapter, asic_reset_work.work);
int status;
-
+ rtnl_lock();
status = ql_adapter_down(qdev);
if (status)
goto error;
@@ -3714,11 +3752,17 @@ static void ql_asic_reset_work(struct work_struct *work)
if (status)
goto error;
+ /* Restore rx mode. */
+ clear_bit(QL_ALLMULTI, &qdev->flags);
+ clear_bit(QL_PROMISCUOUS, &qdev->flags);
+ qlge_set_multicast_list(qdev->ndev);
+
+ rtnl_unlock();
return;
error:
QPRINTK(qdev, IFUP, ALERT,
"Driver up/down cycle failed, closing device\n");
- rtnl_lock();
+
set_bit(QL_ADAPTER_UP, &qdev->flags);
dev_close(qdev->ndev);
rtnl_unlock();
@@ -3834,11 +3878,14 @@ static int __devinit ql_init_device(struct pci_dev *pdev,
return err;
}
+ qdev->ndev = ndev;
+ qdev->pdev = pdev;
+ pci_set_drvdata(pdev, ndev);
pos = pci_find_capability(pdev, PCI_CAP_ID_EXP);
if (pos <= 0) {
dev_err(&pdev->dev, PFX "Cannot find PCI Express capability, "
"aborting.\n");
- goto err_out;
+ return pos;
} else {
pci_read_config_word(pdev, pos + PCI_EXP_DEVCTL, &val16);
val16 &= ~PCI_EXP_DEVCTL_NOSNOOP_EN;
@@ -3851,7 +3898,7 @@ static int __devinit ql_init_device(struct pci_dev *pdev,
err = pci_request_regions(pdev, DRV_NAME);
if (err) {
dev_err(&pdev->dev, "PCI region request failed.\n");
- goto err_out;
+ return err;
}
pci_set_master(pdev);
@@ -3869,7 +3916,9 @@ static int __devinit ql_init_device(struct pci_dev *pdev,
goto err_out;
}
- pci_set_drvdata(pdev, ndev);
+ /* Set PCIe reset type for EEH to fundamental. */
+ pdev->needs_freset = 1;
+ pci_save_state(pdev);
qdev->reg_base =
ioremap_nocache(pci_resource_start(pdev, 1),
pci_resource_len(pdev, 1));
@@ -3889,8 +3938,6 @@ static int __devinit ql_init_device(struct pci_dev *pdev,
goto err_out;
}
- qdev->ndev = ndev;
- qdev->pdev = pdev;
err = ql_get_board_info(qdev);
if (err) {
dev_err(&pdev->dev, "Register access failed.\n");
@@ -3930,7 +3977,6 @@ static int __devinit ql_init_device(struct pci_dev *pdev,
INIT_DELAYED_WORK(&qdev->mpi_work, ql_mpi_work);
INIT_DELAYED_WORK(&qdev->mpi_port_cfg_work, ql_mpi_port_cfg_work);
INIT_DELAYED_WORK(&qdev->mpi_idc_work, ql_mpi_idc_work);
- mutex_init(&qdev->mpi_mutex);
init_completion(&qdev->ide_completion);
if (!cards_found) {
@@ -4027,6 +4073,33 @@ static void __devexit qlge_remove(struct pci_dev *pdev)
free_netdev(ndev);
}
+/* Clean up resources without touching hardware. */
+static void ql_eeh_close(struct net_device *ndev)
+{
+ int i;
+ struct ql_adapter *qdev = netdev_priv(ndev);
+
+ if (netif_carrier_ok(ndev)) {
+ netif_carrier_off(ndev);
+ netif_stop_queue(ndev);
+ }
+
+ if (test_bit(QL_ADAPTER_UP, &qdev->flags))
+ cancel_delayed_work_sync(&qdev->asic_reset_work);
+ cancel_delayed_work_sync(&qdev->mpi_reset_work);
+ cancel_delayed_work_sync(&qdev->mpi_work);
+ cancel_delayed_work_sync(&qdev->mpi_idc_work);
+ cancel_delayed_work_sync(&qdev->mpi_port_cfg_work);
+
+ for (i = 0; i < qdev->rss_ring_count; i++)
+ netif_napi_del(&qdev->rx_ring[i].napi);
+
+ clear_bit(QL_ADAPTER_UP, &qdev->flags);
+ ql_tx_ring_clean(qdev);
+ ql_free_rx_buffers(qdev);
+ ql_release_adapter_resources(qdev);
+}
+
/*
* This callback is called by the PCI subsystem whenever
* a PCI bus error is detected.
@@ -4035,17 +4108,21 @@ static pci_ers_result_t qlge_io_error_detected(struct pci_dev *pdev,
enum pci_channel_state state)
{
struct net_device *ndev = pci_get_drvdata(pdev);
- struct ql_adapter *qdev = netdev_priv(ndev);
-
- netif_device_detach(ndev);
- if (state == pci_channel_io_perm_failure)
+ switch (state) {
+ case pci_channel_io_normal:
+ return PCI_ERS_RESULT_CAN_RECOVER;
+ case pci_channel_io_frozen:
+ netif_device_detach(ndev);
+ if (netif_running(ndev))
+ ql_eeh_close(ndev);
+ pci_disable_device(pdev);
+ return PCI_ERS_RESULT_NEED_RESET;
+ case pci_channel_io_perm_failure:
+ dev_err(&pdev->dev,
+ "%s: pci_channel_io_perm_failure.\n", __func__);
return PCI_ERS_RESULT_DISCONNECT;
-
- if (netif_running(ndev))
- ql_adapter_down(qdev);
-
- pci_disable_device(pdev);
+ }
/* Request a slot reset. */
return PCI_ERS_RESULT_NEED_RESET;
@@ -4062,25 +4139,15 @@ static pci_ers_result_t qlge_io_slot_reset(struct pci_dev *pdev)
struct net_device *ndev = pci_get_drvdata(pdev);
struct ql_adapter *qdev = netdev_priv(ndev);
+ pdev->error_state = pci_channel_io_normal;
+
+ pci_restore_state(pdev);
if (pci_enable_device(pdev)) {
QPRINTK(qdev, IFUP, ERR,
"Cannot re-enable PCI device after reset.\n");
return PCI_ERS_RESULT_DISCONNECT;
}
-
pci_set_master(pdev);
-
- netif_carrier_off(ndev);
- ql_adapter_reset(qdev);
-
- /* Make sure the EEPROM is good */
- memcpy(ndev->perm_addr, ndev->dev_addr, ndev->addr_len);
-
- if (!is_valid_ether_addr(ndev->perm_addr)) {
- QPRINTK(qdev, IFUP, ERR, "After reset, invalid MAC address.\n");
- return PCI_ERS_RESULT_DISCONNECT;
- }
-
return PCI_ERS_RESULT_RECOVERED;
}
@@ -4088,17 +4155,21 @@ static void qlge_io_resume(struct pci_dev *pdev)
{
struct net_device *ndev = pci_get_drvdata(pdev);
struct ql_adapter *qdev = netdev_priv(ndev);
+ int err = 0;
- pci_set_master(pdev);
-
+ if (ql_adapter_reset(qdev))
+ QPRINTK(qdev, DRV, ERR, "reset FAILED!\n");
if (netif_running(ndev)) {
- if (ql_adapter_up(qdev)) {
+ err = qlge_open(ndev);
+ if (err) {
QPRINTK(qdev, IFUP, ERR,
"Device initialization failed after reset.\n");
return;
}
+ } else {
+ QPRINTK(qdev, IFUP, ERR,
+ "Device was not running prior to EEH.\n");
}
-
netif_device_attach(ndev);
}