summaryrefslogtreecommitdiffstats
path: root/drivers/net/cxgb3/cxgb3_main.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/cxgb3/cxgb3_main.c')
-rw-r--r--drivers/net/cxgb3/cxgb3_main.c67
1 files changed, 59 insertions, 8 deletions
diff --git a/drivers/net/cxgb3/cxgb3_main.c b/drivers/net/cxgb3/cxgb3_main.c
index 89bec9c3c14..3e453e1d97e 100644
--- a/drivers/net/cxgb3/cxgb3_main.c
+++ b/drivers/net/cxgb3/cxgb3_main.c
@@ -45,6 +45,7 @@
#include <linux/firmware.h>
#include <linux/log2.h>
#include <linux/stringify.h>
+#include <linux/sched.h>
#include <asm/uaccess.h>
#include "common.h"
@@ -80,7 +81,7 @@ enum {
#define CH_DEVICE(devid, idx) \
{ PCI_VENDOR_ID_CHELSIO, devid, PCI_ANY_ID, PCI_ANY_ID, 0, 0, idx }
-static const struct pci_device_id cxgb3_pci_tbl[] = {
+static DEFINE_PCI_DEVICE_TABLE(cxgb3_pci_tbl) = {
CH_DEVICE(0x20, 0), /* PE9000 */
CH_DEVICE(0x21, 1), /* T302E */
CH_DEVICE(0x22, 2), /* T310E */
@@ -140,7 +141,7 @@ MODULE_PARM_DESC(ofld_disable, "whether to enable offload at init time or not");
* will block keventd as it needs the rtnl lock, and we'll deadlock waiting
* for our work to complete. Get our own work queue to solve this.
*/
-static struct workqueue_struct *cxgb3_wq;
+struct workqueue_struct *cxgb3_wq;
/**
* link_report - show link status and link speed/duplex
@@ -324,11 +325,9 @@ void t3_os_phymod_changed(struct adapter *adap, int port_id)
static void cxgb_set_rxmode(struct net_device *dev)
{
- struct t3_rx_mode rm;
struct port_info *pi = netdev_priv(dev);
- init_rx_mode(&rm, dev, dev->mc_list);
- t3_mac_set_rx_mode(&pi->mac, &rm);
+ t3_mac_set_rx_mode(&pi->mac, dev);
}
/**
@@ -339,17 +338,15 @@ static void cxgb_set_rxmode(struct net_device *dev)
*/
static void link_start(struct net_device *dev)
{
- struct t3_rx_mode rm;
struct port_info *pi = netdev_priv(dev);
struct cmac *mac = &pi->mac;
- init_rx_mode(&rm, dev, dev->mc_list);
t3_mac_reset(mac);
t3_mac_set_num_ucast(mac, MAX_MAC_IDX);
t3_mac_set_mtu(mac, dev->mtu);
t3_mac_set_address(mac, LAN_MAC_IDX, dev->dev_addr);
t3_mac_set_address(mac, SAN_MAC_IDX, pi->iscsic.mac_addr);
- t3_mac_set_rx_mode(mac, &rm);
+ t3_mac_set_rx_mode(mac, dev);
t3_link_start(&pi->phy, mac, &pi->link_config);
t3_mac_enable(mac, MAC_DIRECTION_RX | MAC_DIRECTION_TX);
}
@@ -590,6 +587,19 @@ static void setup_rss(struct adapter *adap)
V_RRCPLCPUSIZE(6) | F_HASHTOEPLITZ, cpus, rspq_map);
}
+static void ring_dbs(struct adapter *adap)
+{
+ int i, j;
+
+ for (i = 0; i < SGE_QSETS; i++) {
+ struct sge_qset *qs = &adap->sge.qs[i];
+
+ if (qs->adap)
+ for (j = 0; j < SGE_TXQ_PER_SET; j++)
+ t3_write_reg(adap, A_SG_KDOORBELL, F_SELEGRCNTX | V_EGRCNTX(qs->txq[j].cntxt_id));
+ }
+}
+
static void init_napi(struct adapter *adap)
{
int i;
@@ -2754,6 +2764,42 @@ static void t3_adap_check_task(struct work_struct *work)
spin_unlock_irq(&adapter->work_lock);
}
+static void db_full_task(struct work_struct *work)
+{
+ struct adapter *adapter = container_of(work, struct adapter,
+ db_full_task);
+
+ cxgb3_event_notify(&adapter->tdev, OFFLOAD_DB_FULL, 0);
+}
+
+static void db_empty_task(struct work_struct *work)
+{
+ struct adapter *adapter = container_of(work, struct adapter,
+ db_empty_task);
+
+ cxgb3_event_notify(&adapter->tdev, OFFLOAD_DB_EMPTY, 0);
+}
+
+static void db_drop_task(struct work_struct *work)
+{
+ struct adapter *adapter = container_of(work, struct adapter,
+ db_drop_task);
+ unsigned long delay = 1000;
+ unsigned short r;
+
+ cxgb3_event_notify(&adapter->tdev, OFFLOAD_DB_DROP, 0);
+
+ /*
+ * Sleep a while before ringing the driver qset dbs.
+ * The delay is between 1000-2023 usecs.
+ */
+ get_random_bytes(&r, 2);
+ delay += r & 1023;
+ set_current_state(TASK_UNINTERRUPTIBLE);
+ schedule_timeout(usecs_to_jiffies(delay));
+ ring_dbs(adapter);
+}
+
/*
* Processes external (PHY) interrupts in process context.
*/
@@ -3222,6 +3268,11 @@ static int __devinit init_one(struct pci_dev *pdev,
INIT_LIST_HEAD(&adapter->adapter_list);
INIT_WORK(&adapter->ext_intr_handler_task, ext_intr_task);
INIT_WORK(&adapter->fatal_error_handler_task, fatal_error_task);
+
+ INIT_WORK(&adapter->db_full_task, db_full_task);
+ INIT_WORK(&adapter->db_empty_task, db_empty_task);
+ INIT_WORK(&adapter->db_drop_task, db_drop_task);
+
INIT_DELAYED_WORK(&adapter->adap_check_task, t3_adap_check_task);
for (i = 0; i < ai->nports0 + ai->nports1; ++i) {