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path: root/drivers/net/tg3.c
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Diffstat (limited to 'drivers/net/tg3.c')
-rw-r--r--drivers/net/tg3.c1059
1 files changed, 925 insertions, 134 deletions
diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index f79b02e80e75..fc9b5cd957aa 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -61,8 +61,8 @@
#define DRV_MODULE_NAME "tg3"
#define PFX DRV_MODULE_NAME ": "
-#define DRV_MODULE_VERSION "3.27"
-#define DRV_MODULE_RELDATE "May 5, 2005"
+#define DRV_MODULE_VERSION "3.29"
+#define DRV_MODULE_RELDATE "May 23, 2005"
#define TG3_DEF_MAC_MODE 0
#define TG3_DEF_RX_MODE 0
@@ -133,6 +133,8 @@
/* number of ETHTOOL_GSTATS u64's */
#define TG3_NUM_STATS (sizeof(struct tg3_ethtool_stats)/sizeof(u64))
+#define TG3_NUM_TEST 6
+
static char version[] __devinitdata =
DRV_MODULE_NAME ".c:v" DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n";
@@ -206,6 +208,8 @@ static struct pci_device_id tg3_pci_tbl[] = {
PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
{ PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5752,
PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
+ { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5752M,
+ PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
{ PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5753,
PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
{ PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5753M,
@@ -314,6 +318,17 @@ static struct {
{ "nic_tx_threshold_hit" }
};
+static struct {
+ const char string[ETH_GSTRING_LEN];
+} ethtool_test_keys[TG3_NUM_TEST] = {
+ { "nvram test (online) " },
+ { "link test (online) " },
+ { "register test (offline)" },
+ { "memory test (offline)" },
+ { "loopback test (offline)" },
+ { "interrupt test (offline)" },
+};
+
static void tg3_write_indirect_reg32(struct tg3 *tp, u32 off, u32 val)
{
if ((tp->tg3_flags & TG3_FLAG_PCIX_TARGET_HWBUG) != 0) {
@@ -420,7 +435,8 @@ static void tg3_enable_ints(struct tg3 *tp)
{
tw32(TG3PCI_MISC_HOST_CTRL,
(tp->misc_host_ctrl & ~MISC_HOST_CTRL_MASK_PCI_INT));
- tw32_mailbox(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW, 0x00000000);
+ tw32_mailbox(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW,
+ (tp->last_tag << 24));
tr32(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW);
tg3_cond_int(tp);
@@ -455,10 +471,16 @@ static void tg3_restart_ints(struct tg3 *tp)
{
tw32(TG3PCI_MISC_HOST_CTRL,
(tp->misc_host_ctrl & ~MISC_HOST_CTRL_MASK_PCI_INT));
- tw32_mailbox(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW, 0x00000000);
+ tw32_mailbox(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW,
+ tp->last_tag << 24);
mmiowb();
- if (tg3_has_work(tp))
+ /* When doing tagged status, this work check is unnecessary.
+ * The last_tag we write above tells the chip which piece of
+ * work we've completed.
+ */
+ if (!(tp->tg3_flags & TG3_FLAG_TAGGED_STATUS) &&
+ tg3_has_work(tp))
tw32(HOSTCC_MODE, tp->coalesce_mode |
(HOSTCC_MODE_ENABLE | HOSTCC_MODE_NOW));
}
@@ -2500,7 +2522,7 @@ static int tg3_setup_phy(struct tg3 *tp, int force_reset)
if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
if (netif_carrier_ok(tp->dev)) {
tw32(HOSTCC_STAT_COAL_TICKS,
- DEFAULT_STAT_COAL_TICKS);
+ tp->coal.stats_block_coalesce_usecs);
} else {
tw32(HOSTCC_STAT_COAL_TICKS, 0);
}
@@ -2886,7 +2908,6 @@ static int tg3_poll(struct net_device *netdev, int *budget)
* All RX "locking" is done by ensuring outside
* code synchronizes with dev->poll()
*/
- done = 1;
if (sblk->idx[0].rx_producer != tp->rx_rcb_ptr) {
int orig_budget = *budget;
int work_done;
@@ -2898,12 +2919,14 @@ static int tg3_poll(struct net_device *netdev, int *budget)
*budget -= work_done;
netdev->quota -= work_done;
-
- if (work_done >= orig_budget)
- done = 0;
}
+ if (tp->tg3_flags & TG3_FLAG_TAGGED_STATUS)
+ tp->last_tag = sblk->status_tag;
+ rmb();
+
/* if no more work, tell net stack and NIC we're done */
+ done = !tg3_has_work(tp);
if (done) {
spin_lock_irqsave(&tp->lock, flags);
__netif_rx_complete(netdev);
@@ -2928,22 +2951,21 @@ static irqreturn_t tg3_msi(int irq, void *dev_id, struct pt_regs *regs)
spin_lock_irqsave(&tp->lock, flags);
/*
- * writing any value to intr-mbox-0 clears PCI INTA# and
+ * Writing any value to intr-mbox-0 clears PCI INTA# and
* chip-internal interrupt pending events.
- * writing non-zero to intr-mbox-0 additional tells the
+ * Writing non-zero to intr-mbox-0 additional tells the
* NIC to stop sending us irqs, engaging "in-intr-handler"
* event coalescing.
*/
tw32_mailbox(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW, 0x00000001);
+ tp->last_tag = sblk->status_tag;
sblk->status &= ~SD_STATUS_UPDATED;
-
if (likely(tg3_has_work(tp)))
netif_rx_schedule(dev); /* schedule NAPI poll */
else {
- /* no work, re-enable interrupts
- */
+ /* No work, re-enable interrupts. */
tw32_mailbox(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW,
- 0x00000000);
+ tp->last_tag << 24);
}
spin_unlock_irqrestore(&tp->lock, flags);
@@ -2969,21 +2991,62 @@ static irqreturn_t tg3_interrupt(int irq, void *dev_id, struct pt_regs *regs)
if ((sblk->status & SD_STATUS_UPDATED) ||
!(tr32(TG3PCI_PCISTATE) & PCISTATE_INT_NOT_ACTIVE)) {
/*
- * writing any value to intr-mbox-0 clears PCI INTA# and
+ * Writing any value to intr-mbox-0 clears PCI INTA# and
* chip-internal interrupt pending events.
- * writing non-zero to intr-mbox-0 additional tells the
+ * Writing non-zero to intr-mbox-0 additional tells the
* NIC to stop sending us irqs, engaging "in-intr-handler"
* event coalescing.
*/
tw32_mailbox(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW,
0x00000001);
+ sblk->status &= ~SD_STATUS_UPDATED;
+ if (likely(tg3_has_work(tp)))
+ netif_rx_schedule(dev); /* schedule NAPI poll */
+ else {
+ /* No work, shared interrupt perhaps? re-enable
+ * interrupts, and flush that PCI write
+ */
+ tw32_mailbox(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW,
+ 0x00000000);
+ tr32(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW);
+ }
+ } else { /* shared interrupt */
+ handled = 0;
+ }
+
+ spin_unlock_irqrestore(&tp->lock, flags);
+
+ return IRQ_RETVAL(handled);
+}
+
+static irqreturn_t tg3_interrupt_tagged(int irq, void *dev_id, struct pt_regs *regs)
+{
+ struct net_device *dev = dev_id;
+ struct tg3 *tp = netdev_priv(dev);
+ struct tg3_hw_status *sblk = tp->hw_status;
+ unsigned long flags;
+ unsigned int handled = 1;
+
+ spin_lock_irqsave(&tp->lock, flags);
+
+ /* In INTx mode, it is possible for the interrupt to arrive at
+ * the CPU before the status block posted prior to the interrupt.
+ * Reading the PCI State register will confirm whether the
+ * interrupt is ours and will flush the status block.
+ */
+ if ((sblk->status & SD_STATUS_UPDATED) ||
+ !(tr32(TG3PCI_PCISTATE) & PCISTATE_INT_NOT_ACTIVE)) {
/*
- * Flush PCI write. This also guarantees that our
- * status block has been flushed to host memory.
+ * writing any value to intr-mbox-0 clears PCI INTA# and
+ * chip-internal interrupt pending events.
+ * writing non-zero to intr-mbox-0 additional tells the
+ * NIC to stop sending us irqs, engaging "in-intr-handler"
+ * event coalescing.
*/
- tr32(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW);
+ tw32_mailbox(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW,
+ 0x00000001);
+ tp->last_tag = sblk->status_tag;
sblk->status &= ~SD_STATUS_UPDATED;
-
if (likely(tg3_has_work(tp)))
netif_rx_schedule(dev); /* schedule NAPI poll */
else {
@@ -2991,7 +3054,7 @@ static irqreturn_t tg3_interrupt(int irq, void *dev_id, struct pt_regs *regs)
* interrupts, and flush that PCI write
*/
tw32_mailbox(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW,
- 0x00000000);
+ tp->last_tag << 24);
tr32(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW);
}
} else { /* shared interrupt */
@@ -3020,7 +3083,7 @@ static irqreturn_t tg3_test_isr(int irq, void *dev_id,
}
static int tg3_init_hw(struct tg3 *);
-static int tg3_halt(struct tg3 *, int);
+static int tg3_halt(struct tg3 *, int, int);
#ifdef CONFIG_NET_POLL_CONTROLLER
static void tg3_poll_controller(struct net_device *dev)
@@ -3044,7 +3107,7 @@ static void tg3_reset_task(void *_data)
restart_timer = tp->tg3_flags2 & TG3_FLG2_RESTART_TIMER;
tp->tg3_flags2 &= ~TG3_FLG2_RESTART_TIMER;
- tg3_halt(tp, 0);
+ tg3_halt(tp, RESET_KIND_SHUTDOWN, 0);
tg3_init_hw(tp);
tg3_netif_start(tp);
@@ -3390,7 +3453,7 @@ static int tg3_change_mtu(struct net_device *dev, int new_mtu)
spin_lock_irq(&tp->lock);
spin_lock(&tp->tx_lock);
- tg3_halt(tp, 1);
+ tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
tg3_set_mtu(dev, tp, new_mtu);
@@ -4081,19 +4144,19 @@ static void tg3_stop_fw(struct tg3 *tp)
}
/* tp->lock is held. */
-static int tg3_halt(struct tg3 *tp, int silent)
+static int tg3_halt(struct tg3 *tp, int kind, int silent)
{
int err;
tg3_stop_fw(tp);
- tg3_write_sig_pre_reset(tp, RESET_KIND_SHUTDOWN);
+ tg3_write_sig_pre_reset(tp, kind);
tg3_abort_hw(tp, silent);
err = tg3_chip_reset(tp);
- tg3_write_sig_legacy(tp, RESET_KIND_SHUTDOWN);
- tg3_write_sig_post_reset(tp, RESET_KIND_SHUTDOWN);
+ tg3_write_sig_legacy(tp, kind);
+ tg3_write_sig_post_reset(tp, kind);
if (err)
return err;
@@ -4307,7 +4370,12 @@ static int tg3_load_firmware_cpu(struct tg3 *tp, u32 cpu_base, u32 cpu_scratch_b
*/
tp->tg3_flags |= TG3_FLAG_PCIX_TARGET_HWBUG;
+ /* It is possible that bootcode is still loading at this point.
+ * Get the nvram lock first before halting the cpu.
+ */
+ tg3_nvram_lock(tp);
err = tg3_halt_cpu(tp, cpu_base);
+ tg3_nvram_unlock(tp);
if (err)
goto out;
@@ -5044,6 +5112,27 @@ static void tg3_set_bdinfo(struct tg3 *tp, u32 bdinfo_addr,
}
static void __tg3_set_rx_mode(struct net_device *);
+static void tg3_set_coalesce(struct tg3 *tp, struct ethtool_coalesce *ec)
+{
+ tw32(HOSTCC_RXCOL_TICKS, ec->rx_coalesce_usecs);
+ tw32(HOSTCC_TXCOL_TICKS, ec->tx_coalesce_usecs);
+ tw32(HOSTCC_RXMAX_FRAMES, ec->rx_max_coalesced_frames);
+ tw32(HOSTCC_TXMAX_FRAMES, ec->tx_max_coalesced_frames);
+ if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
+ tw32(HOSTCC_RXCOAL_TICK_INT, ec->rx_coalesce_usecs_irq);
+ tw32(HOSTCC_TXCOAL_TICK_INT, ec->tx_coalesce_usecs_irq);
+ }
+ tw32(HOSTCC_RXCOAL_MAXF_INT, ec->rx_max_coalesced_frames_irq);
+ tw32(HOSTCC_TXCOAL_MAXF_INT, ec->tx_max_coalesced_frames_irq);
+ if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
+ u32 val = ec->stats_block_coalesce_usecs;
+
+ if (!netif_carrier_ok(tp->dev))
+ val = 0;
+
+ tw32(HOSTCC_STAT_COAL_TICKS, val);
+ }
+}
/* tp->lock is held. */
static int tg3_reset_hw(struct tg3 *tp)
@@ -5366,16 +5455,7 @@ static int tg3_reset_hw(struct tg3 *tp)
udelay(10);
}
- tw32(HOSTCC_RXCOL_TICKS, 0);
- tw32(HOSTCC_TXCOL_TICKS, LOW_TXCOL_TICKS);
- tw32(HOSTCC_RXMAX_FRAMES, 1);
- tw32(HOSTCC_TXMAX_FRAMES, LOW_RXMAX_FRAMES);
- if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
- tw32(HOSTCC_RXCOAL_TICK_INT, 0);
- tw32(HOSTCC_TXCOAL_TICK_INT, 0);
- }
- tw32(HOSTCC_RXCOAL_MAXF_INT, 1);
- tw32(HOSTCC_TXCOAL_MAXF_INT, 0);
+ tg3_set_coalesce(tp, &tp->coal);
/* set status block DMA address */
tw32(HOSTCC_STATUS_BLK_HOST_ADDR + TG3_64BIT_REG_HIGH,
@@ -5388,8 +5468,6 @@ static int tg3_reset_hw(struct tg3 *tp)
* the tg3_periodic_fetch_stats call there, and
* tg3_get_stats to see how this works for 5705/5750 chips.
*/
- tw32(HOSTCC_STAT_COAL_TICKS,
- DEFAULT_STAT_COAL_TICKS);
tw32(HOSTCC_STATS_BLK_HOST_ADDR + TG3_64BIT_REG_HIGH,
((u64) tp->stats_mapping >> 32));
tw32(HOSTCC_STATS_BLK_HOST_ADDR + TG3_64BIT_REG_LOW,
@@ -5445,7 +5523,8 @@ static int tg3_reset_hw(struct tg3 *tp)
udelay(100);
tw32_mailbox(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW, 0);
- tr32(MAILBOX_INTERRUPT_0);
+ tr32(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW);
+ tp->last_tag = 0;
if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
tw32_f(DMAC_MODE, DMAC_MODE_ENABLE);
@@ -5723,31 +5802,33 @@ static void tg3_timer(unsigned long __opaque)
spin_lock_irqsave(&tp->lock, flags);
spin_lock(&tp->tx_lock);
- /* All of this garbage is because when using non-tagged
- * IRQ status the mailbox/status_block protocol the chip
- * uses with the cpu is race prone.
- */
- if (tp->hw_status->status & SD_STATUS_UPDATED) {
- tw32(GRC_LOCAL_CTRL,
- tp->grc_local_ctrl | GRC_LCLCTRL_SETINT);
- } else {
- tw32(HOSTCC_MODE, tp->coalesce_mode |
- (HOSTCC_MODE_ENABLE | HOSTCC_MODE_NOW));
- }
+ if (!(tp->tg3_flags & TG3_FLAG_TAGGED_STATUS)) {
+ /* All of this garbage is because when using non-tagged
+ * IRQ status the mailbox/status_block protocol the chip
+ * uses with the cpu is race prone.
+ */
+ if (tp->hw_status->status & SD_STATUS_UPDATED) {
+ tw32(GRC_LOCAL_CTRL,
+ tp->grc_local_ctrl | GRC_LCLCTRL_SETINT);
+ } else {
+ tw32(HOSTCC_MODE, tp->coalesce_mode |
+ (HOSTCC_MODE_ENABLE | HOSTCC_MODE_NOW));
+ }
- if (!(tr32(WDMAC_MODE) & WDMAC_MODE_ENABLE)) {
- tp->tg3_flags2 |= TG3_FLG2_RESTART_TIMER;
- spin_unlock(&tp->tx_lock);
- spin_unlock_irqrestore(&tp->lock, flags);
- schedule_work(&tp->reset_task);
- return;
+ if (!(tr32(WDMAC_MODE) & WDMAC_MODE_ENABLE)) {
+ tp->tg3_flags2 |= TG3_FLG2_RESTART_TIMER;
+ spin_unlock(&tp->tx_lock);
+ spin_unlock_irqrestore(&tp->lock, flags);
+ schedule_work(&tp->reset_task);
+ return;
+ }
}
- if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)
- tg3_periodic_fetch_stats(tp);
-
/* This part only runs once per second. */
if (!--tp->timer_counter) {
+ if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)
+ tg3_periodic_fetch_stats(tp);
+
if (tp->tg3_flags & TG3_FLAG_USE_LINKCHG_REG) {
u32 mac_stat;
int phy_event;
@@ -5818,6 +5899,9 @@ static int tg3_test_interrupt(struct tg3 *tp)
int err, i;
u32 int_mbox = 0;
+ if (!netif_running(dev))
+ return -ENODEV;
+
tg3_disable_ints(tp);
free_irq(tp->pdev->irq, dev);
@@ -5846,9 +5930,13 @@ static int tg3_test_interrupt(struct tg3 *tp)
if (tp->tg3_flags2 & TG3_FLG2_USING_MSI)
err = request_irq(tp->pdev->irq, tg3_msi,
SA_SAMPLE_RANDOM, dev->name, dev);
- else
- err = request_irq(tp->pdev->irq, tg3_interrupt,
+ else {
+ irqreturn_t (*fn)(int, void *, struct pt_regs *)=tg3_interrupt;
+ if (tp->tg3_flags & TG3_FLAG_TAGGED_STATUS)
+ fn = tg3_interrupt_tagged;
+ err = request_irq(tp->pdev->irq, fn,
SA_SHIRQ | SA_SAMPLE_RANDOM, dev->name, dev);
+ }
if (err)
return err;
@@ -5900,9 +5988,14 @@ static int tg3_test_msi(struct tg3 *tp)
tp->tg3_flags2 &= ~TG3_FLG2_USING_MSI;
- err = request_irq(tp->pdev->irq, tg3_interrupt,
- SA_SHIRQ | SA_SAMPLE_RANDOM, dev->name, dev);
+ {
+ irqreturn_t (*fn)(int, void *, struct pt_regs *)=tg3_interrupt;
+ if (tp->tg3_flags & TG3_FLAG_TAGGED_STATUS)
+ fn = tg3_interrupt_tagged;
+ err = request_irq(tp->pdev->irq, fn,
+ SA_SHIRQ | SA_SAMPLE_RANDOM, dev->name, dev);
+ }
if (err)
return err;
@@ -5912,7 +6005,7 @@ static int tg3_test_msi(struct tg3 *tp)
spin_lock_irq(&tp->lock);
spin_lock(&tp->tx_lock);
- tg3_halt(tp, 1);
+ tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
err = tg3_init_hw(tp);
spin_unlock(&tp->tx_lock);
@@ -5948,7 +6041,13 @@ static int tg3_open(struct net_device *dev)
if ((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
(GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5750_AX) &&
(GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5750_BX)) {
- if (pci_enable_msi(tp->pdev) == 0) {
+ /* All MSI supporting chips should support tagged
+ * status. Assert that this is the case.
+ */
+ if (!(tp->tg3_flags & TG3_FLAG_TAGGED_STATUS)) {
+ printk(KERN_WARNING PFX "%s: MSI without TAGGED? "
+ "Not using MSI.\n", tp->dev->name);
+ } else if (pci_enable_msi(tp->pdev) == 0) {
u32 msi_mode;
msi_mode = tr32(MSGINT_MODE);
@@ -5959,9 +6058,14 @@ static int tg3_open(struct net_device *dev)
if (tp->tg3_flags2 & TG3_FLG2_USING_MSI)
err = request_irq(tp->pdev->irq, tg3_msi,
SA_SAMPLE_RANDOM, dev->name, dev);
- else
- err = request_irq(tp->pdev->irq, tg3_interrupt,
+ else {
+ irqreturn_t (*fn)(int, void *, struct pt_regs *)=tg3_interrupt;
+ if (tp->tg3_flags & TG3_FLAG_TAGGED_STATUS)
+ fn = tg3_interrupt_tagged;
+
+ err = request_irq(tp->pdev->irq, fn,
SA_SHIRQ | SA_SAMPLE_RANDOM, dev->name, dev);
+ }
if (err) {
if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
@@ -5977,12 +6081,19 @@ static int tg3_open(struct net_device *dev)
err = tg3_init_hw(tp);
if (err) {
- tg3_halt(tp, 1);
+ tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
tg3_free_rings(tp);
} else {
- tp->timer_offset = HZ / 10;
- tp->timer_counter = tp->timer_multiplier = 10;
- tp->asf_counter = tp->asf_multiplier = (10 * 120);
+ if (tp->tg3_flags & TG3_FLAG_TAGGED_STATUS)
+ tp->timer_offset = HZ;
+ else
+ tp->timer_offset = HZ / 10;
+
+ BUG_ON(tp->timer_offset > HZ);
+ tp->timer_counter = tp->timer_multiplier =
+ (HZ / tp->timer_offset);
+ tp->asf_counter = tp->asf_multiplier =
+ ((HZ / tp->timer_offset) * 120);
init_timer(&tp->timer);
tp->timer.expires = jiffies + tp->timer_offset;
@@ -6005,6 +6116,7 @@ static int tg3_open(struct net_device *dev)
if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
err = tg3_test_msi(tp);
+
if (err) {
spin_lock_irq(&tp->lock);
spin_lock(&tp->tx_lock);
@@ -6013,7 +6125,7 @@ static int tg3_open(struct net_device *dev)
pci_disable_msi(tp->pdev);
tp->tg3_flags2 &= ~TG3_FLG2_USING_MSI;
}
- tg3_halt(tp, 1);
+ tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
tg3_free_rings(tp);
tg3_free_consistent(tp);
@@ -6286,7 +6398,7 @@ static int tg3_close(struct net_device *dev)
tg3_disable_ints(tp);
- tg3_halt(tp, 1);
+ tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
tg3_free_rings(tp);
tp->tg3_flags &=
~(TG3_FLAG_INIT_COMPLETE |
@@ -7006,7 +7118,7 @@ static int tg3_set_ringparam(struct net_device *dev, struct ethtool_ringparam *e
tp->tx_pending = ering->tx_pending;
if (netif_running(dev)) {
- tg3_halt(tp, 1);
+ tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
tg3_init_hw(tp);
tg3_netif_start(tp);
}
@@ -7049,7 +7161,7 @@ static int tg3_set_pauseparam(struct net_device *dev, struct ethtool_pauseparam
tp->tg3_flags &= ~TG3_FLAG_TX_PAUSE;
if (netif_running(dev)) {
- tg3_halt(tp, 1);
+ tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
tg3_init_hw(tp);
tg3_netif_start(tp);
}
@@ -7108,12 +7220,20 @@ static int tg3_get_stats_count (struct net_device *dev)
return TG3_NUM_STATS;
}
+static int tg3_get_test_count (struct net_device *dev)
+{
+ return TG3_NUM_TEST;
+}
+
static void tg3_get_strings (struct net_device *dev, u32 stringset, u8 *buf)
{
switch (stringset) {
case ETH_SS_STATS:
memcpy(buf, &ethtool_stats_keys, sizeof(ethtool_stats_keys));
break;
+ case ETH_SS_TEST:
+ memcpy(buf, &ethtool_test_keys, sizeof(ethtool_test_keys));
+ break;
default:
WARN_ON(1); /* we need a WARN() */
break;
@@ -7127,6 +7247,516 @@ static void tg3_get_ethtool_stats (struct net_device *dev,
memcpy(tmp_stats, tg3_get_estats(tp), sizeof(tp->estats));
}
+#define NVRAM_TEST_SIZE 0x100
+
+static int tg3_test_nvram(struct tg3 *tp)
+{
+ u32 *buf, csum;
+ int i, j, err = 0;
+
+ buf = kmalloc(NVRAM_TEST_SIZE, GFP_KERNEL);
+ if (buf == NULL)
+ return -ENOMEM;
+
+ for (i = 0, j = 0; i < NVRAM_TEST_SIZE; i += 4, j++) {
+ u32 val;
+
+ if ((err = tg3_nvram_read(tp, i, &val)) != 0)
+ break;
+ buf[j] = cpu_to_le32(val);
+ }
+ if (i < NVRAM_TEST_SIZE)
+ goto out;
+
+ err = -EIO;
+ if (cpu_to_be32(buf[0]) != TG3_EEPROM_MAGIC)
+ goto out;
+
+ /* Bootstrap checksum at offset 0x10 */
+ csum = calc_crc((unsigned char *) buf, 0x10);
+ if(csum != cpu_to_le32(buf[0x10/4]))
+ goto out;
+
+ /* Manufacturing block starts at offset 0x74, checksum at 0xfc */
+ csum = calc_crc((unsigned char *) &buf[0x74/4], 0x88);
+ if (csum != cpu_to_le32(buf[0xfc/4]))
+ goto out;
+
+ err = 0;
+
+out:
+ kfree(buf);
+ return err;
+}
+
+#define TG3_SERDES_TIMEOUT_SEC 2
+#define TG3_COPPER_TIMEOUT_SEC 6
+
+static int tg3_test_link(struct tg3 *tp)
+{
+ int i, max;
+
+ if (!netif_running(tp->dev))
+ return -ENODEV;
+
+ if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)
+ max = TG3_SERDES_TIMEOUT_SEC;
+ else
+ max = TG3_COPPER_TIMEOUT_SEC;
+
+ for (i = 0; i < max; i++) {
+ if (netif_carrier_ok(tp->dev))
+ return 0;
+
+ if (msleep_interruptible(1000))
+ break;
+ }
+
+ return -EIO;
+}
+
+/* Only test the commonly used registers */
+static int tg3_test_registers(struct tg3 *tp)
+{
+ int i, is_5705;
+ u32 offset, read_mask, write_mask, val, save_val, read_val;
+ static struct {
+ u16 offset;
+ u16 flags;
+#define TG3_FL_5705 0x1
+#define TG3_FL_NOT_5705 0x2
+#define TG3_FL_NOT_5788 0x4
+ u32 read_mask;
+ u32 write_mask;
+ } reg_tbl[] = {
+ /* MAC Control Registers */
+ { MAC_MODE, TG3_FL_NOT_5705,
+ 0x00000000, 0x00ef6f8c },
+ { MAC_MODE, TG3_FL_5705,
+ 0x00000000, 0x01ef6b8c },
+ { MAC_STATUS, TG3_FL_NOT_5705,
+ 0x03800107, 0x00000000 },
+ { MAC_STATUS, TG3_FL_5705,
+ 0x03800100, 0x00000000 },
+ { MAC_ADDR_0_HIGH, 0x0000,
+ 0x00000000, 0x0000ffff },
+ { MAC_ADDR_0_LOW, 0x0000,
+ 0x00000000, 0xffffffff },
+ { MAC_RX_MTU_SIZE, 0x0000,
+ 0x00000000, 0x0000ffff },
+ { MAC_TX_MODE, 0x0000,
+ 0x00000000, 0x00000070 },
+ { MAC_TX_LENGTHS, 0x0000,
+ 0x00000000, 0x00003fff },
+ { MAC_RX_MODE, TG3_FL_NOT_5705,
+ 0x00000000, 0x000007fc },
+ { MAC_RX_MODE, TG3_FL_5705,
+ 0x00000000, 0x000007dc },
+ { MAC_HASH_REG_0, 0x0000,
+ 0x00000000, 0xffffffff },
+ { MAC_HASH_REG_1, 0x0000,
+ 0x00000000, 0xffffffff },
+ { MAC_HASH_REG_2, 0x0000,
+ 0x00000000, 0xffffffff },
+ { MAC_HASH_REG_3, 0x0000,
+ 0x00000000, 0xffffffff },
+
+ /* Receive Data and Receive BD Initiator Control Registers. */
+ { RCVDBDI_JUMBO_BD+0, TG3_FL_NOT_5705,
+ 0x00000000, 0xffffffff },
+ { RCVDBDI_JUMBO_BD+4, TG3_FL_NOT_5705,
+ 0x00000000, 0xffffffff },
+ { RCVDBDI_JUMBO_BD+8, TG3_FL_NOT_5705,
+ 0x00000000, 0x00000003 },
+ { RCVDBDI_JUMBO_BD+0xc, TG3_FL_NOT_5705,
+ 0x00000000, 0xffffffff },
+ { RCVDBDI_STD_BD+0, 0x0000,
+ 0x00000000, 0xffffffff },
+ { RCVDBDI_STD_BD+4, 0x0000,
+ 0x00000000, 0xffffffff },
+ { RCVDBDI_STD_BD+8, 0x0000,
+ 0x00000000, 0xffff0002 },
+ { RCVDBDI_STD_BD+0xc, 0x0000,
+ 0x00000000, 0xffffffff },
+
+ /* Receive BD Initiator Control Registers. */
+ { RCVBDI_STD_THRESH, TG3_FL_NOT_5705,
+ 0x00000000, 0xffffffff },
+ { RCVBDI_STD_THRESH, TG3_FL_5705,
+ 0x00000000, 0x000003ff },
+ { RCVBDI_JUMBO_THRESH, TG3_FL_NOT_5705,
+ 0x00000000, 0xffffffff },
+
+ /* Host Coalescing Control Registers. */
+ { HOSTCC_MODE, TG3_FL_NOT_5705,
+ 0x00000000, 0x00000004 },
+ { HOSTCC_MODE, TG3_FL_5705,
+ 0x00000000, 0x000000f6 },
+ { HOSTCC_RXCOL_TICKS, TG3_FL_NOT_5705,
+ 0x00000000, 0xffffffff },
+ { HOSTCC_RXCOL_TICKS, TG3_FL_5705,
+ 0x00000000, 0x000003ff },
+ { HOSTCC_TXCOL_TICKS, TG3_FL_NOT_5705,
+ 0x00000000, 0xffffffff },
+ { HOSTCC_TXCOL_TICKS, TG3_FL_5705,
+ 0x00000000, 0x000003ff },
+ { HOSTCC_RXMAX_FRAMES, TG3_FL_NOT_5705,
+ 0x00000000, 0xffffffff },
+ { HOSTCC_RXMAX_FRAMES, TG3_FL_5705 | TG3_FL_NOT_5788,
+ 0x00000000, 0x000000ff },
+ { HOSTCC_TXMAX_FRAMES, TG3_FL_NOT_5705,
+ 0x00000000, 0xffffffff },
+ { HOSTCC_TXMAX_FRAMES, TG3_FL_5705 | TG3_FL_NOT_5788,
+ 0x00000000, 0x000000ff },
+ { HOSTCC_RXCOAL_TICK_INT, TG3_FL_NOT_5705,
+ 0x00000000, 0xffffffff },
+ { HOSTCC_TXCOAL_TICK_INT, TG3_FL_NOT_5705,
+ 0x00000000, 0xffffffff },
+ { HOSTCC_RXCOAL_MAXF_INT, TG3_FL_NOT_5705,
+ 0x00000000, 0xffffffff },
+ { HOSTCC_RXCOAL_MAXF_INT, TG3_FL_5705 | TG3_FL_NOT_5788,
+ 0x00000000, 0x000000ff },
+ { HOSTCC_TXCOAL_MAXF_INT, TG3_FL_NOT_5705,
+ 0x00000000, 0xffffffff },
+ { HOSTCC_TXCOAL_MAXF_INT, TG3_FL_5705 | TG3_FL_NOT_5788,
+ 0x00000000, 0x000000ff },
+ { HOSTCC_STAT_COAL_TICKS, TG3_FL_NOT_5705,
+ 0x00000000, 0xffffffff },
+ { HOSTCC_STATS_BLK_HOST_ADDR, TG3_FL_NOT_5705,
+ 0x00000000, 0xffffffff },
+ { HOSTCC_STATS_BLK_HOST_ADDR+4, TG3_FL_NOT_5705,
+ 0x00000000, 0xffffffff },
+ { HOSTCC_STATUS_BLK_HOST_ADDR, 0x0000,
+ 0x00000000, 0xffffffff },
+ { HOSTCC_STATUS_BLK_HOST_ADDR+4, 0x0000,
+ 0x00000000, 0xffffffff },
+ { HOSTCC_STATS_BLK_NIC_ADDR, 0x0000,
+ 0xffffffff, 0x00000000 },
+ { HOSTCC_STATUS_BLK_NIC_ADDR, 0x0000,
+ 0xffffffff, 0x00000000 },
+
+ /* Buffer Manager Control Registers. */
+ { BUFMGR_MB_POOL_ADDR, 0x0000,
+ 0x00000000, 0x007fff80 },
+ { BUFMGR_MB_POOL_SIZE, 0x0000,
+ 0x00000000, 0x007fffff },
+ { BUFMGR_MB_RDMA_LOW_WATER, 0x0000,
+ 0x00000000, 0x0000003f },
+ { BUFMGR_MB_MACRX_LOW_WATER, 0x0000,
+ 0x00000000, 0x000001ff },
+ { BUFMGR_MB_HIGH_WATER, 0x0000,
+ 0x00000000, 0x000001ff },
+ { BUFMGR_DMA_DESC_POOL_ADDR, TG3_FL_NOT_5705,
+ 0xffffffff, 0x00000000 },
+ { BUFMGR_DMA_DESC_POOL_SIZE, TG3_FL_NOT_5705,
+ 0xffffffff, 0x00000000 },
+
+ /* Mailbox Registers */
+ { GRCMBOX_RCVSTD_PROD_IDX+4, 0x0000,
+ 0x00000000, 0x000001ff },
+ { GRCMBOX_RCVJUMBO_PROD_IDX+4, TG3_FL_NOT_5705,
+ 0x00000000, 0x000001ff },
+ { GRCMBOX_RCVRET_CON_IDX_0+4, 0x0000,
+ 0x00000000, 0x000007ff },
+ { GRCMBOX_SNDHOST_PROD_IDX_0+4, 0x0000,
+ 0x00000000, 0x000001ff },
+
+ { 0xffff, 0x0000, 0x00000000, 0x00000000 },
+ };
+
+ if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)
+ is_5705 = 1;
+ else
+ is_5705 = 0;
+
+ for (i = 0; reg_tbl[i].offset != 0xffff; i++) {
+ if (is_5705 && (reg_tbl[i].flags & TG3_FL_NOT_5705))
+ continue;
+
+ if (!is_5705 && (reg_tbl[i].flags & TG3_FL_5705))
+ continue;
+
+ if ((tp->tg3_flags2 & TG3_FLG2_IS_5788) &&
+ (reg_tbl[i].flags & TG3_FL_NOT_5788))
+ continue;
+
+ offset = (u32) reg_tbl[i].offset;
+ read_mask = reg_tbl[i].read_mask;
+ write_mask = reg_tbl[i].write_mask;
+
+ /* Save the original register content */
+ save_val = tr32(offset);
+
+ /* Determine the read-only value. */
+ read_val = save_val & read_mask;
+
+ /* Write zero to the register, then make sure the read-only bits
+ * are not changed and the read/write bits are all zeros.
+ */
+ tw32(offset, 0);
+
+ val = tr32(offset);
+
+ /* Test the read-only and read/write bits. */
+ if (((val & read_mask) != read_val) || (val & write_mask))
+ goto out;
+
+ /* Write ones to all the bits defined by RdMask and WrMask, then
+ * make sure the read-only bits are not changed and the
+ * read/write bits are all ones.
+ */
+ tw32(offset, read_mask | write_mask);
+
+ val = tr32(offset);
+
+ /* Test the read-only bits. */
+ if ((val & read_mask) != read_val)
+ goto out;
+
+ /* Test the read/write bits. */
+ if ((val & write_mask) != write_mask)
+ goto out;
+
+ tw32(offset, save_val);
+ }
+
+ return 0;
+
+out:
+ printk(KERN_ERR PFX "Register test failed at offset %x\n", offset);
+ tw32(offset, save_val);
+ return -EIO;
+}
+
+static int tg3_do_mem_test(struct tg3 *tp, u32 offset, u32 len)
+{
+ static u32 test_pattern[] = { 0x00000000, 0xffffffff, 0xaa55a55a };
+ int i;
+ u32 j;
+
+ for (i = 0; i < sizeof(test_pattern)/sizeof(u32); i++) {
+ for (j = 0; j < len; j += 4) {
+ u32 val;
+
+ tg3_write_mem(tp, offset + j, test_pattern[i]);
+ tg3_read_mem(tp, offset + j, &val);
+ if (val != test_pattern[i])
+ return -EIO;
+ }
+ }
+ return 0;
+}
+
+static int tg3_test_memory(struct tg3 *tp)
+{
+ static struct mem_entry {
+ u32 offset;
+ u32 len;
+ } mem_tbl_570x[] = {
+ { 0x00000000, 0x01000},
+ { 0x00002000, 0x1c000},
+ { 0xffffffff, 0x00000}
+ }, mem_tbl_5705[] = {
+ { 0x00000100, 0x0000c},
+ { 0x00000200, 0x00008},
+ { 0x00000b50, 0x00400},
+ { 0x00004000, 0x00800},
+ { 0x00006000, 0x01000},
+ { 0x00008000, 0x02000},
+ { 0x00010000, 0x0e000},
+ { 0xffffffff, 0x00000}
+ };
+ struct mem_entry *mem_tbl;
+ int err = 0;
+ int i;
+
+ if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)
+ mem_tbl = mem_tbl_5705;
+ else
+ mem_tbl = mem_tbl_570x;
+
+ for (i = 0; mem_tbl[i].offset != 0xffffffff; i++) {
+ if ((err = tg3_do_mem_test(tp, mem_tbl[i].offset,
+ mem_tbl[i].len)) != 0)
+ break;
+ }
+
+ return err;
+}
+
+static int tg3_test_loopback(struct tg3 *tp)
+{
+ u32 mac_mode, send_idx, rx_start_idx, rx_idx, tx_idx, opaque_key;
+ u32 desc_idx;
+ struct sk_buff *skb, *rx_skb;
+ u8 *tx_data;
+ dma_addr_t map;
+ int num_pkts, tx_len, rx_len, i, err;
+ struct tg3_rx_buffer_desc *desc;
+
+ if (!netif_running(tp->dev))
+ return -ENODEV;
+
+ err = -EIO;
+
+ tg3_abort_hw(tp, 1);
+
+ /* Clearing this flag to keep interrupts disabled */
+ tp->tg3_flags &= ~TG3_FLAG_INIT_COMPLETE;
+ tg3_reset_hw(tp);
+
+ mac_mode = (tp->mac_mode & ~MAC_MODE_PORT_MODE_MASK) |
+ MAC_MODE_PORT_INT_LPBACK | MAC_MODE_LINK_POLARITY |
+ MAC_MODE_PORT_MODE_GMII;
+ tw32(MAC_MODE, mac_mode);
+
+ tx_len = 1514;
+ skb = dev_alloc_skb(tx_len);
+ tx_data = skb_put(skb, tx_len);
+ memcpy(tx_data, tp->dev->dev_addr, 6);
+ memset(tx_data + 6, 0x0, 8);
+
+ tw32(MAC_RX_MTU_SIZE, tx_len + 4);
+
+ for (i = 14; i < tx_len; i++)
+ tx_data[i] = (u8) (i & 0xff);
+
+ map = pci_map_single(tp->pdev, skb->data, tx_len, PCI_DMA_TODEVICE);
+
+ tw32_f(HOSTCC_MODE, tp->coalesce_mode | HOSTCC_MODE_ENABLE |
+ HOSTCC_MODE_NOW);
+
+ udelay(10);
+
+ rx_start_idx = tp->hw_status->idx[0].rx_producer;
+
+ send_idx = 0;
+ num_pkts = 0;
+
+ tg3_set_txd(tp, send_idx, map, tx_len, 0, 1);
+
+ send_idx++;
+ num_pkts++;
+
+ tw32_tx_mbox(MAILBOX_SNDHOST_PROD_IDX_0 + TG3_64BIT_REG_LOW, send_idx);
+ tr32(MAILBOX_SNDHOST_PROD_IDX_0 + TG3_64BIT_REG_LOW);
+
+ udelay(10);
+
+ for (i = 0; i < 10; i++) {
+ tw32_f(HOSTCC_MODE, tp->coalesce_mode | HOSTCC_MODE_ENABLE |
+ HOSTCC_MODE_NOW);
+
+ udelay(10);
+
+ tx_idx = tp->hw_status->idx[0].tx_consumer;
+ rx_idx = tp->hw_status->idx[0].rx_producer;
+ if ((tx_idx == send_idx) &&
+ (rx_idx == (rx_start_idx + num_pkts)))
+ break;
+ }
+
+ pci_unmap_single(tp->pdev, map, tx_len, PCI_DMA_TODEVICE);
+ dev_kfree_skb(skb);
+
+ if (tx_idx != send_idx)
+ goto out;
+
+ if (rx_idx != rx_start_idx + num_pkts)
+ goto out;
+
+ desc = &tp->rx_rcb[rx_start_idx];
+ desc_idx = desc->opaque & RXD_OPAQUE_INDEX_MASK;
+ opaque_key = desc->opaque & RXD_OPAQUE_RING_MASK;
+ if (opaque_key != RXD_OPAQUE_RING_STD)
+ goto out;
+
+ if ((desc->err_vlan & RXD_ERR_MASK) != 0 &&
+ (desc->err_vlan != RXD_ERR_ODD_NIBBLE_RCVD_MII))
+ goto out;
+
+ rx_len = ((desc->idx_len & RXD_LEN_MASK) >> RXD_LEN_SHIFT) - 4;
+ if (rx_len != tx_len)
+ goto out;
+
+ rx_skb = tp->rx_std_buffers[desc_idx].skb;
+
+ map = pci_unmap_addr(&tp->rx_std_buffers[desc_idx], mapping);
+ pci_dma_sync_single_for_cpu(tp->pdev, map, rx_len, PCI_DMA_FROMDEVICE);
+
+ for (i = 14; i < tx_len; i++) {
+ if (*(rx_skb->data + i) != (u8) (i & 0xff))
+ goto out;
+ }
+ err = 0;
+
+ /* tg3_free_rings will unmap and free the rx_skb */
+out:
+ return err;
+}
+
+static void tg3_self_test(struct net_device *dev, struct ethtool_test *etest,
+ u64 *data)
+{
+ struct tg3 *tp = netdev_priv(dev);
+
+ memset(data, 0, sizeof(u64) * TG3_NUM_TEST);
+
+ if (tg3_test_nvram(tp) != 0) {
+ etest->flags |= ETH_TEST_FL_FAILED;
+ data[0] = 1;
+ }
+ if (tg3_test_link(tp) != 0) {
+ etest->flags |= ETH_TEST_FL_FAILED;
+ data[1] = 1;
+ }
+ if (etest->flags & ETH_TEST_FL_OFFLINE) {
+ if (netif_running(dev))
+ tg3_netif_stop(tp);
+
+ spin_lock_irq(&tp->lock);
+ spin_lock(&tp->tx_lock);
+
+ tg3_halt(tp, RESET_KIND_SUSPEND, 1);
+ tg3_nvram_lock(tp);
+ tg3_halt_cpu(tp, RX_CPU_BASE);
+ if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
+ tg3_halt_cpu(tp, TX_CPU_BASE);
+ tg3_nvram_unlock(tp);
+
+ if (tg3_test_registers(tp) != 0) {
+ etest->flags |= ETH_TEST_FL_FAILED;
+ data[2] = 1;
+ }
+ if (tg3_test_memory(tp) != 0) {
+ etest->flags |= ETH_TEST_FL_FAILED;
+ data[3] = 1;
+ }
+ if (tg3_test_loopback(tp) != 0) {
+ etest->flags |= ETH_TEST_FL_FAILED;
+ data[4] = 1;
+ }
+
+ spin_unlock(&tp->tx_lock);
+ spin_unlock_irq(&tp->lock);
+ if (tg3_test_interrupt(tp) != 0) {
+ etest->flags |= ETH_TEST_FL_FAILED;
+ data[5] = 1;
+ }
+ spin_lock_irq(&tp->lock);
+ spin_lock(&tp->tx_lock);
+
+ tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
+ if (netif_running(dev)) {
+ tp->tg3_flags |= TG3_FLAG_INIT_COMPLETE;
+ tg3_init_hw(tp);
+ tg3_netif_start(tp);
+ }
+ spin_unlock(&tp->tx_lock);
+ spin_unlock_irq(&tp->lock);
+ }
+}
+
static int tg3_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
{
struct mii_ioctl_data *data = if_mii(ifr);
@@ -7203,6 +7833,14 @@ static void tg3_vlan_rx_kill_vid(struct net_device *dev, unsigned short vid)
}
#endif
+static int tg3_get_coalesce(struct net_device *dev, struct ethtool_coalesce *ec)
+{
+ struct tg3 *tp = netdev_priv(dev);
+
+ memcpy(ec, &tp->coal, sizeof(*ec));
+ return 0;
+}
+
static struct ethtool_ops tg3_ethtool_ops = {
.get_settings = tg3_get_settings,
.set_settings = tg3_set_settings,
@@ -7232,9 +7870,12 @@ static struct ethtool_ops tg3_ethtool_ops = {
.get_tso = ethtool_op_get_tso,
.set_tso = tg3_set_tso,
#endif
+ .self_test_count = tg3_get_test_count,
+ .self_test = tg3_self_test,
.get_strings = tg3_get_strings,
.get_stats_count = tg3_get_stats_count,
.get_ethtool_stats = tg3_get_ethtool_stats,
+ .get_coalesce = tg3_get_coalesce,
};
static void __devinit tg3_get_eeprom_size(struct tg3 *tp)
@@ -8422,15 +9063,7 @@ static int __devinit tg3_get_invariants(struct tg3 *tp)
if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)
tp->tg3_flags2 |= TG3_FLG2_PHY_BER_BUG;
- /* Only 5701 and later support tagged irq status mode.
- * Also, 5788 chips cannot use tagged irq status.
- *
- * However, since we are using NAPI avoid tagged irq status
- * because the interrupt condition is more difficult to
- * fully clear in that mode.
- */
tp->coalesce_mode = 0;
-
if (GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5700_AX &&
GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5700_BX)
tp->coalesce_mode |= HOSTCC_MODE_32BYTE;
@@ -8494,6 +9127,18 @@ static int __devinit tg3_get_invariants(struct tg3 *tp)
grc_misc_cfg == GRC_MISC_CFG_BOARD_ID_5788M))
tp->tg3_flags2 |= TG3_FLG2_IS_5788;
+ if (!(tp->tg3_flags2 & TG3_FLG2_IS_5788) &&
+ (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700))
+ tp->tg3_flags |= TG3_FLAG_TAGGED_STATUS;
+ if (tp->tg3_flags & TG3_FLAG_TAGGED_STATUS) {
+ tp->coalesce_mode |= (HOSTCC_MODE_CLRTICK_RXBD |
+ HOSTCC_MODE_CLRTICK_TXBD);
+
+ tp->misc_host_ctrl |= MISC_HOST_CTRL_TAGGED_STATUS;
+ pci_write_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
+ tp->misc_host_ctrl);
+ }
+
/* these are limited to 10/100 only */
if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 &&
(grc_misc_cfg == 0x8000 || grc_misc_cfg == 0x4000)) ||
@@ -8671,6 +9316,146 @@ static int __devinit tg3_get_device_address(struct tg3 *tp)
return 0;
}
+#define BOUNDARY_SINGLE_CACHELINE 1
+#define BOUNDARY_MULTI_CACHELINE 2
+
+static u32 __devinit tg3_calc_dma_bndry(struct tg3 *tp, u32 val)
+{
+ int cacheline_size;
+ u8 byte;
+ int goal;
+
+ pci_read_config_byte(tp->pdev, PCI_CACHE_LINE_SIZE, &byte);
+ if (byte == 0)
+ cacheline_size = 1024;
+ else
+ cacheline_size = (int) byte * 4;
+
+ /* On 5703 and later chips, the boundary bits have no
+ * effect.
+ */
+ if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 &&
+ GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701 &&
+ !(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS))
+ goto out;
+
+#if defined(CONFIG_PPC64) || defined(CONFIG_IA64) || defined(CONFIG_PARISC)
+ goal = BOUNDARY_MULTI_CACHELINE;
+#else
+#if defined(CONFIG_SPARC64) || defined(CONFIG_ALPHA)
+ goal = BOUNDARY_SINGLE_CACHELINE;
+#else
+ goal = 0;
+#endif
+#endif
+
+ if (!goal)
+ goto out;
+
+ /* PCI controllers on most RISC systems tend to disconnect
+ * when a device tries to burst across a cache-line boundary.
+ * Therefore, letting tg3 do so just wastes PCI bandwidth.
+ *
+ * Unfortunately, for PCI-E there are only limited
+ * write-side controls for this, and thus for reads
+ * we will still get the disconnects. We'll also waste
+ * these PCI cycles for both read and write for chips
+ * other than 5700 and 5701 which do not implement the
+ * boundary bits.
+ */
+ if ((tp->tg3_flags & TG3_FLAG_PCIX_MODE) &&
+ !(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS)) {
+ switch (cacheline_size) {
+ case 16:
+ case 32:
+ case 64:
+ case 128:
+ if (goal == BOUNDARY_SINGLE_CACHELINE) {
+ val |= (DMA_RWCTRL_READ_BNDRY_128_PCIX |
+ DMA_RWCTRL_WRITE_BNDRY_128_PCIX);
+ } else {
+ val |= (DMA_RWCTRL_READ_BNDRY_384_PCIX |
+ DMA_RWCTRL_WRITE_BNDRY_384_PCIX);
+ }
+ break;
+
+ case 256:
+ val |= (DMA_RWCTRL_READ_BNDRY_256_PCIX |
+ DMA_RWCTRL_WRITE_BNDRY_256_PCIX);
+ break;
+
+ default:
+ val |= (DMA_RWCTRL_READ_BNDRY_384_PCIX |
+ DMA_RWCTRL_WRITE_BNDRY_384_PCIX);
+ break;
+ };
+ } else if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
+ switch (cacheline_size) {
+ case 16:
+ case 32:
+ case 64:
+ if (goal == BOUNDARY_SINGLE_CACHELINE) {
+ val &= ~DMA_RWCTRL_WRITE_BNDRY_DISAB_PCIE;
+ val |= DMA_RWCTRL_WRITE_BNDRY_64_PCIE;
+ break;
+ }
+ /* fallthrough */
+ case 128:
+ default:
+ val &= ~DMA_RWCTRL_WRITE_BNDRY_DISAB_PCIE;
+ val |= DMA_RWCTRL_WRITE_BNDRY_128_PCIE;
+ break;
+ };
+ } else {
+ switch (cacheline_size) {
+ case 16:
+ if (goal == BOUNDARY_SINGLE_CACHELINE) {
+ val |= (DMA_RWCTRL_READ_BNDRY_16 |
+ DMA_RWCTRL_WRITE_BNDRY_16);
+ break;
+ }
+ /* fallthrough */
+ case 32:
+ if (goal == BOUNDARY_SINGLE_CACHELINE) {
+ val |= (DMA_RWCTRL_READ_BNDRY_32 |
+ DMA_RWCTRL_WRITE_BNDRY_32);
+ break;
+ }
+ /* fallthrough */
+ case 64:
+ if (goal == BOUNDARY_SINGLE_CACHELINE) {
+ val |= (DMA_RWCTRL_READ_BNDRY_64 |
+ DMA_RWCTRL_WRITE_BNDRY_64);
+ break;
+ }
+ /* fallthrough */
+ case 128:
+ if (goal == BOUNDARY_SINGLE_CACHELINE) {
+ val |= (DMA_RWCTRL_READ_BNDRY_128 |
+ DMA_RWCTRL_WRITE_BNDRY_128);
+ break;
+ }
+ /* fallthrough */
+ case 256:
+ val |= (DMA_RWCTRL_READ_BNDRY_256 |
+ DMA_RWCTRL_WRITE_BNDRY_256);
+ break;
+ case 512:
+ val |= (DMA_RWCTRL_READ_BNDRY_512 |
+ DMA_RWCTRL_WRITE_BNDRY_512);
+ break;
+ case 1024:
+ default:
+ val |= (DMA_RWCTRL_READ_BNDRY_1024 |
+ DMA_RWCTRL_WRITE_BNDRY_1024);
+ break;
+ };
+ }
+
+out:
+ return val;
+}
+
static int __devinit tg3_do_test_dma(struct tg3 *tp, u32 *buf, dma_addr_t buf_dma, int size, int to_device)
{
struct tg3_internal_buffer_desc test_desc;
@@ -8752,12 +9537,12 @@ static int __devinit tg3_do_test_dma(struct tg3 *tp, u32 *buf, dma_addr_t buf_dm
return ret;
}
-#define TEST_BUFFER_SIZE 0x400
+#define TEST_BUFFER_SIZE 0x2000
static int __devinit tg3_test_dma(struct tg3 *tp)
{
dma_addr_t buf_dma;
- u32 *buf;
+ u32 *buf, saved_dma_rwctrl;
int ret;
buf = pci_alloc_consistent(tp->pdev, TEST_BUFFER_SIZE, &buf_dma);
@@ -8769,46 +9554,7 @@ static int __devinit tg3_test_dma(struct tg3 *tp)
tp->dma_rwctrl = ((0x7 << DMA_RWCTRL_PCI_WRITE_CMD_SHIFT) |
(0x6 << DMA_RWCTRL_PCI_READ_CMD_SHIFT));
-#ifndef CONFIG_X86
- {
- u8 byte;
- int cacheline_size;
- pci_read_config_byte(tp->pdev, PCI_CACHE_LINE_SIZE, &byte);
-
- if (byte == 0)
- cacheline_size = 1024;
- else
- cacheline_size = (int) byte * 4;
-
- switch (cacheline_size) {
- case 16:
- case 32:
- case 64:
- case 128:
- if ((tp->tg3_flags & TG3_FLAG_PCIX_MODE) &&
- !(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS)) {
- tp->dma_rwctrl |=
- DMA_RWCTRL_WRITE_BNDRY_384_PCIX;
- break;
- } else if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
- tp->dma_rwctrl &=
- ~(DMA_RWCTRL_PCI_WRITE_CMD);
- tp->dma_rwctrl |=
- DMA_RWCTRL_WRITE_BNDRY_128_PCIE;
- break;
- }
- /* fallthrough */
- case 256:
- if (!(tp->tg3_flags & TG3_FLAG_PCIX_MODE) &&
- !(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS))
- tp->dma_rwctrl |=
- DMA_RWCTRL_WRITE_BNDRY_256;
- else if (!(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS))
- tp->dma_rwctrl |=
- DMA_RWCTRL_WRITE_BNDRY_256_PCIX;
- };
- }
-#endif
+ tp->dma_rwctrl = tg3_calc_dma_bndry(tp, tp->dma_rwctrl);
if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
/* DMA read watermark not used on PCIE */
@@ -8827,7 +9573,7 @@ static int __devinit tg3_test_dma(struct tg3 *tp)
if (ccval == 0x6 || ccval == 0x7)
tp->dma_rwctrl |= DMA_RWCTRL_ONE_DMA;
- /* Set bit 23 to renable PCIX hw bug fix */
+ /* Set bit 23 to enable PCIX hw bug fix */
tp->dma_rwctrl |= 0x009f0000;
} else {
tp->dma_rwctrl |= 0x001b000f;
@@ -8868,6 +9614,13 @@ static int __devinit tg3_test_dma(struct tg3 *tp)
GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701)
goto out;
+ /* It is best to perform DMA test with maximum write burst size
+ * to expose the 5700/5701 write DMA bug.
+ */
+ saved_dma_rwctrl = tp->dma_rwctrl;
+ tp->dma_rwctrl &= ~DMA_RWCTRL_WRITE_BNDRY_MASK;
+ tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
+
while (1) {
u32 *p = buf, i;
@@ -8906,8 +9659,9 @@ static int __devinit tg3_test_dma(struct tg3 *tp)
if (p[i] == i)
continue;
- if ((tp->dma_rwctrl & DMA_RWCTRL_WRITE_BNDRY_MASK) ==
- DMA_RWCTRL_WRITE_BNDRY_DISAB) {
+ if ((tp->dma_rwctrl & DMA_RWCTRL_WRITE_BNDRY_MASK) !=
+ DMA_RWCTRL_WRITE_BNDRY_16) {
+ tp->dma_rwctrl &= ~DMA_RWCTRL_WRITE_BNDRY_MASK;
tp->dma_rwctrl |= DMA_RWCTRL_WRITE_BNDRY_16;
tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
break;
@@ -8924,6 +9678,14 @@ static int __devinit tg3_test_dma(struct tg3 *tp)
break;
}
}
+ if ((tp->dma_rwctrl & DMA_RWCTRL_WRITE_BNDRY_MASK) !=
+ DMA_RWCTRL_WRITE_BNDRY_16) {
+ /* DMA test passed without adjusting DMA boundary,
+ * just restore the calculated DMA boundary
+ */
+ tp->dma_rwctrl = saved_dma_rwctrl;
+ tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
+ }
out:
pci_free_consistent(tp->pdev, TEST_BUFFER_SIZE, buf, buf_dma);
@@ -9011,6 +9773,31 @@ static struct pci_dev * __devinit tg3_find_5704_peer(struct tg3 *tp)
return peer;
}
+static void __devinit tg3_init_coal(struct tg3 *tp)
+{
+ struct ethtool_coalesce *ec = &tp->coal;
+
+ memset(ec, 0, sizeof(*ec));
+ ec->cmd = ETHTOOL_GCOALESCE;
+ ec->rx_coalesce_usecs = LOW_RXCOL_TICKS;
+ ec->tx_coalesce_usecs = LOW_TXCOL_TICKS;
+ ec->rx_max_coalesced_frames = LOW_RXMAX_FRAMES;
+ ec->tx_max_coalesced_frames = LOW_TXMAX_FRAMES;
+ ec->rx_coalesce_usecs_irq = DEFAULT_RXCOAL_TICK_INT;
+ ec->tx_coalesce_usecs_irq = DEFAULT_TXCOAL_TICK_INT;
+ ec->rx_max_coalesced_frames_irq = DEFAULT_RXCOAL_MAXF_INT;
+ ec->tx_max_coalesced_frames_irq = DEFAULT_TXCOAL_MAXF_INT;
+ ec->stats_block_coalesce_usecs = DEFAULT_STAT_COAL_TICKS;
+
+ if (tp->coalesce_mode & (HOSTCC_MODE_CLRTICK_RXBD |
+ HOSTCC_MODE_CLRTICK_TXBD)) {
+ ec->rx_coalesce_usecs = LOW_RXCOL_TICKS_CLRTCKS;
+ ec->rx_coalesce_usecs_irq = DEFAULT_RXCOAL_TICK_INT_CLRTCKS;
+ ec->tx_coalesce_usecs = LOW_TXCOL_TICKS_CLRTCKS;
+ ec->tx_coalesce_usecs_irq = DEFAULT_TXCOAL_TICK_INT_CLRTCKS;
+ }
+}
+
static int __devinit tg3_init_one(struct pci_dev *pdev,
const struct pci_device_id *ent)
{
@@ -9232,7 +10019,7 @@ static int __devinit tg3_init_one(struct pci_dev *pdev,
(tr32(WDMAC_MODE) & WDMAC_MODE_ENABLE)) {
pci_save_state(tp->pdev);
tw32(MEMARB_MODE, MEMARB_MODE_ENABLE);
- tg3_halt(tp, 1);
+ tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
}
err = tg3_test_dma(tp);
@@ -9256,6 +10043,8 @@ static int __devinit tg3_init_one(struct pci_dev *pdev,
/* flow control autonegotiation is default behavior */
tp->tg3_flags |= TG3_FLAG_PAUSE_AUTONEG;
+ tg3_init_coal(tp);
+
err = register_netdev(dev);
if (err) {
printk(KERN_ERR PFX "Cannot register net device, "
@@ -9298,6 +10087,8 @@ static int __devinit tg3_init_one(struct pci_dev *pdev,
(tp->tg3_flags & TG3_FLAG_SPLIT_MODE) != 0,
(tp->tg3_flags2 & TG3_FLG2_NO_ETH_WIRE_SPEED) == 0,
(tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE) != 0);
+ printk(KERN_INFO "%s: dma_rwctrl[%08x]\n",
+ dev->name, tp->dma_rwctrl);
return 0;
@@ -9355,7 +10146,7 @@ static int tg3_suspend(struct pci_dev *pdev, pm_message_t state)
spin_lock_irq(&tp->lock);
spin_lock(&tp->tx_lock);
- tg3_halt(tp, 1);
+ tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
spin_unlock(&tp->tx_lock);
spin_unlock_irq(&tp->lock);
generated by cgit v1.2.3 (git 2.39.0) at 2024-12-30 11:11:58 +0300