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path: root/drivers/net/tg3.c
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-rw-r--r--drivers/net/tg3.c888
1 files changed, 746 insertions, 142 deletions
diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index e7dc653d5bd6..b5473325bff4 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -69,8 +69,8 @@
#define DRV_MODULE_NAME "tg3"
#define PFX DRV_MODULE_NAME ": "
-#define DRV_MODULE_VERSION "3.49"
-#define DRV_MODULE_RELDATE "Feb 2, 2006"
+#define DRV_MODULE_VERSION "3.54"
+#define DRV_MODULE_RELDATE "Mar 23, 2006"
#define TG3_DEF_MAC_MODE 0
#define TG3_DEF_RX_MODE 0
@@ -221,10 +221,26 @@ 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_5753F,
PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
+ { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5754,
+ PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
+ { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5754M,
+ PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
+ { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5755,
+ PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
+ { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5755M,
+ PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
+ { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5787,
+ PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
+ { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5787M,
+ PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
{ PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5714,
PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
+ { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5714S,
+ PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
{ PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5715,
PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
+ { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5715S,
+ PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
{ PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5780,
PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
{ PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5780S,
@@ -534,6 +550,9 @@ static void tg3_enable_ints(struct tg3 *tp)
(tp->misc_host_ctrl & ~MISC_HOST_CTRL_MASK_PCI_INT));
tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW,
(tp->last_tag << 24));
+ if (tp->tg3_flags2 & TG3_FLG2_1SHOT_MSI)
+ tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW,
+ (tp->last_tag << 24));
tg3_cond_int(tp);
}
@@ -1038,9 +1057,11 @@ static void tg3_frob_aux_power(struct tg3 *tp)
struct net_device *dev_peer;
dev_peer = pci_get_drvdata(tp->pdev_peer);
+ /* remove_one() may have been run on the peer. */
if (!dev_peer)
- BUG();
- tp_peer = netdev_priv(dev_peer);
+ tp_peer = tp;
+ else
+ tp_peer = netdev_priv(dev_peer);
}
if ((tp->tg3_flags & TG3_FLAG_WOL_ENABLE) != 0 ||
@@ -1131,7 +1152,20 @@ static int tg3_halt_cpu(struct tg3 *, u32);
static int tg3_nvram_lock(struct tg3 *);
static void tg3_nvram_unlock(struct tg3 *);
-static int tg3_set_power_state(struct tg3 *tp, int state)
+static void tg3_power_down_phy(struct tg3 *tp)
+{
+ /* The PHY should not be powered down on some chips because
+ * of bugs.
+ */
+ if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
+ GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 ||
+ (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780 &&
+ (tp->tg3_flags2 & TG3_FLG2_MII_SERDES)))
+ return;
+ tg3_writephy(tp, MII_BMCR, BMCR_PDOWN);
+}
+
+static int tg3_set_power_state(struct tg3 *tp, pci_power_t state)
{
u32 misc_host_ctrl;
u16 power_control, power_caps;
@@ -1150,7 +1184,7 @@ static int tg3_set_power_state(struct tg3 *tp, int state)
power_control |= PCI_PM_CTRL_PME_STATUS;
power_control &= ~(PCI_PM_CTRL_STATE_MASK);
switch (state) {
- case 0:
+ case PCI_D0:
power_control |= 0;
pci_write_config_word(tp->pdev,
pm + PCI_PM_CTRL,
@@ -1163,15 +1197,15 @@ static int tg3_set_power_state(struct tg3 *tp, int state)
return 0;
- case 1:
+ case PCI_D1:
power_control |= 1;
break;
- case 2:
+ case PCI_D2:
power_control |= 2;
break;
- case 3:
+ case PCI_D3hot:
power_control |= 3;
break;
@@ -1310,8 +1344,7 @@ static int tg3_set_power_state(struct tg3 *tp, int state)
tg3_writephy(tp, MII_TG3_EXT_CTRL,
MII_TG3_EXT_CTRL_FORCE_LED_OFF);
tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x01b2);
- if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700)
- tg3_writephy(tp, MII_BMCR, BMCR_PDOWN);
+ tg3_power_down_phy(tp);
}
}
@@ -2680,6 +2713,12 @@ static int tg3_setup_fiber_mii_phy(struct tg3 *tp, int force_reset)
err |= tg3_readphy(tp, MII_BMSR, &bmsr);
err |= tg3_readphy(tp, MII_BMSR, &bmsr);
+ if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714) {
+ if (tr32(MAC_TX_STATUS) & TX_STATUS_LINK_UP)
+ bmsr |= BMSR_LSTATUS;
+ else
+ bmsr &= ~BMSR_LSTATUS;
+ }
err |= tg3_readphy(tp, MII_BMCR, &bmcr);
@@ -2748,6 +2787,13 @@ static int tg3_setup_fiber_mii_phy(struct tg3 *tp, int force_reset)
bmcr = new_bmcr;
err |= tg3_readphy(tp, MII_BMSR, &bmsr);
err |= tg3_readphy(tp, MII_BMSR, &bmsr);
+ if (GET_ASIC_REV(tp->pci_chip_rev_id) ==
+ ASIC_REV_5714) {
+ if (tr32(MAC_TX_STATUS) & TX_STATUS_LINK_UP)
+ bmsr |= BMSR_LSTATUS;
+ else
+ bmsr &= ~BMSR_LSTATUS;
+ }
tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
}
}
@@ -3338,6 +3384,23 @@ static inline void tg3_full_unlock(struct tg3 *tp)
spin_unlock_bh(&tp->lock);
}
+/* One-shot MSI handler - Chip automatically disables interrupt
+ * after sending MSI so driver doesn't have to do it.
+ */
+static irqreturn_t tg3_msi_1shot(int irq, void *dev_id, struct pt_regs *regs)
+{
+ struct net_device *dev = dev_id;
+ struct tg3 *tp = netdev_priv(dev);
+
+ prefetch(tp->hw_status);
+ prefetch(&tp->rx_rcb[tp->rx_rcb_ptr]);
+
+ if (likely(!tg3_irq_sync(tp)))
+ netif_rx_schedule(dev); /* schedule NAPI poll */
+
+ return IRQ_HANDLED;
+}
+
/* MSI ISR - No need to check for interrupt sharing and no need to
* flush status block and interrupt mailbox. PCI ordering rules
* guarantee that MSI will arrive after the status block.
@@ -3532,9 +3595,23 @@ static inline int tg3_4g_overflow_test(dma_addr_t mapping, int len)
(base + len + 8 < base));
}
+/* Test for DMA addresses > 40-bit */
+static inline int tg3_40bit_overflow_test(struct tg3 *tp, dma_addr_t mapping,
+ int len)
+{
+#if defined(CONFIG_HIGHMEM) && (BITS_PER_LONG == 64)
+ if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)
+ return (((u64) mapping + len) > DMA_40BIT_MASK);
+ return 0;
+#else
+ return 0;
+#endif
+}
+
static void tg3_set_txd(struct tg3 *, int, dma_addr_t, int, u32, u32);
-static int tigon3_4gb_hwbug_workaround(struct tg3 *tp, struct sk_buff *skb,
+/* Workaround 4GB and 40-bit hardware DMA bugs. */
+static int tigon3_dma_hwbug_workaround(struct tg3 *tp, struct sk_buff *skb,
u32 last_plus_one, u32 *start,
u32 base_flags, u32 mss)
{
@@ -3614,11 +3691,139 @@ static void tg3_set_txd(struct tg3 *tp, int entry,
txd->vlan_tag = vlan_tag << TXD_VLAN_TAG_SHIFT;
}
+/* hard_start_xmit for devices that don't have any bugs and
+ * support TG3_FLG2_HW_TSO_2 only.
+ */
static int tg3_start_xmit(struct sk_buff *skb, struct net_device *dev)
{
struct tg3 *tp = netdev_priv(dev);
dma_addr_t mapping;
u32 len, entry, base_flags, mss;
+
+ len = skb_headlen(skb);
+
+ /* No BH disabling for tx_lock here. We are running in BH disabled
+ * context and TX reclaim runs via tp->poll inside of a software
+ * interrupt. Furthermore, IRQ processing runs lockless so we have
+ * no IRQ context deadlocks to worry about either. Rejoice!
+ */
+ if (!spin_trylock(&tp->tx_lock))
+ return NETDEV_TX_LOCKED;
+
+ if (unlikely(TX_BUFFS_AVAIL(tp) <= (skb_shinfo(skb)->nr_frags + 1))) {
+ if (!netif_queue_stopped(dev)) {
+ netif_stop_queue(dev);
+
+ /* This is a hard error, log it. */
+ printk(KERN_ERR PFX "%s: BUG! Tx Ring full when "
+ "queue awake!\n", dev->name);
+ }
+ spin_unlock(&tp->tx_lock);
+ return NETDEV_TX_BUSY;
+ }
+
+ entry = tp->tx_prod;
+ base_flags = 0;
+#if TG3_TSO_SUPPORT != 0
+ mss = 0;
+ if (skb->len > (tp->dev->mtu + ETH_HLEN) &&
+ (mss = skb_shinfo(skb)->tso_size) != 0) {
+ int tcp_opt_len, ip_tcp_len;
+
+ if (skb_header_cloned(skb) &&
+ pskb_expand_head(skb, 0, 0, GFP_ATOMIC)) {
+ dev_kfree_skb(skb);
+ goto out_unlock;
+ }
+
+ tcp_opt_len = ((skb->h.th->doff - 5) * 4);
+ ip_tcp_len = (skb->nh.iph->ihl * 4) + sizeof(struct tcphdr);
+
+ base_flags |= (TXD_FLAG_CPU_PRE_DMA |
+ TXD_FLAG_CPU_POST_DMA);
+
+ skb->nh.iph->check = 0;
+ skb->nh.iph->tot_len = htons(mss + ip_tcp_len + tcp_opt_len);
+
+ skb->h.th->check = 0;
+
+ mss |= (ip_tcp_len + tcp_opt_len) << 9;
+ }
+ else if (skb->ip_summed == CHECKSUM_HW)
+ base_flags |= TXD_FLAG_TCPUDP_CSUM;
+#else
+ mss = 0;
+ if (skb->ip_summed == CHECKSUM_HW)
+ base_flags |= TXD_FLAG_TCPUDP_CSUM;
+#endif
+#if TG3_VLAN_TAG_USED
+ if (tp->vlgrp != NULL && vlan_tx_tag_present(skb))
+ base_flags |= (TXD_FLAG_VLAN |
+ (vlan_tx_tag_get(skb) << 16));
+#endif
+
+ /* Queue skb data, a.k.a. the main skb fragment. */
+ mapping = pci_map_single(tp->pdev, skb->data, len, PCI_DMA_TODEVICE);
+
+ tp->tx_buffers[entry].skb = skb;
+ pci_unmap_addr_set(&tp->tx_buffers[entry], mapping, mapping);
+
+ tg3_set_txd(tp, entry, mapping, len, base_flags,
+ (skb_shinfo(skb)->nr_frags == 0) | (mss << 1));
+
+ entry = NEXT_TX(entry);
+
+ /* Now loop through additional data fragments, and queue them. */
+ if (skb_shinfo(skb)->nr_frags > 0) {
+ unsigned int i, last;
+
+ last = skb_shinfo(skb)->nr_frags - 1;
+ for (i = 0; i <= last; i++) {
+ skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
+
+ len = frag->size;
+ mapping = pci_map_page(tp->pdev,
+ frag->page,
+ frag->page_offset,
+ len, PCI_DMA_TODEVICE);
+
+ tp->tx_buffers[entry].skb = NULL;
+ pci_unmap_addr_set(&tp->tx_buffers[entry], mapping, mapping);
+
+ tg3_set_txd(tp, entry, mapping, len,
+ base_flags, (i == last) | (mss << 1));
+
+ entry = NEXT_TX(entry);
+ }
+ }
+
+ /* Packets are ready, update Tx producer idx local and on card. */
+ tw32_tx_mbox((MAILBOX_SNDHOST_PROD_IDX_0 + TG3_64BIT_REG_LOW), entry);
+
+ tp->tx_prod = entry;
+ if (TX_BUFFS_AVAIL(tp) <= (MAX_SKB_FRAGS + 1)) {
+ netif_stop_queue(dev);
+ if (TX_BUFFS_AVAIL(tp) > TG3_TX_WAKEUP_THRESH)
+ netif_wake_queue(tp->dev);
+ }
+
+out_unlock:
+ mmiowb();
+ spin_unlock(&tp->tx_lock);
+
+ dev->trans_start = jiffies;
+
+ return NETDEV_TX_OK;
+}
+
+/* hard_start_xmit for devices that have the 4G bug and/or 40-bit bug and
+ * support TG3_FLG2_HW_TSO_1 or firmware TSO only.
+ */
+static int tg3_start_xmit_dma_bug(struct sk_buff *skb, struct net_device *dev)
+{
+ struct tg3 *tp = netdev_priv(dev);
+ dma_addr_t mapping;
+ u32 len, entry, base_flags, mss;
int would_hit_hwbug;
len = skb_headlen(skb);
@@ -3742,6 +3947,9 @@ static int tg3_start_xmit(struct sk_buff *skb, struct net_device *dev)
if (tg3_4g_overflow_test(mapping, len))
would_hit_hwbug = 1;
+ if (tg3_40bit_overflow_test(tp, mapping, len))
+ would_hit_hwbug = 1;
+
if (tp->tg3_flags2 & TG3_FLG2_HW_TSO)
tg3_set_txd(tp, entry, mapping, len,
base_flags, (i == last)|(mss << 1));
@@ -3763,7 +3971,7 @@ static int tg3_start_xmit(struct sk_buff *skb, struct net_device *dev)
/* If the workaround fails due to memory/mapping
* failure, silently drop this packet.
*/
- if (tigon3_4gb_hwbug_workaround(tp, skb, last_plus_one,
+ if (tigon3_dma_hwbug_workaround(tp, skb, last_plus_one,
&start, base_flags, mss))
goto out_unlock;
@@ -4352,6 +4560,11 @@ static int tg3_chip_reset(struct tg3 *tp)
tp->nvram_lock_cnt = 0;
}
+ if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752 ||
+ GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
+ GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787)
+ tw32(GRC_FASTBOOT_PC, 0);
+
/*
* We must avoid the readl() that normally takes place.
* It locks machines, causes machine checks, and other
@@ -5501,6 +5714,9 @@ static int tg3_set_mac_addr(struct net_device *dev, void *p)
memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
+ if (!netif_running(dev))
+ return 0;
+
spin_lock_bh(&tp->lock);
__tg3_set_mac_addr(tp);
spin_unlock_bh(&tp->lock);
@@ -5568,6 +5784,9 @@ static int tg3_reset_hw(struct tg3 *tp)
tg3_abort_hw(tp, 1);
}
+ if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES)
+ tg3_phy_reset(tp);
+
err = tg3_chip_reset(tp);
if (err)
return err;
@@ -5938,6 +6157,9 @@ static int tg3_reset_hw(struct tg3 *tp)
gpio_mask |= GRC_LCLCTRL_GPIO_OE3 |
GRC_LCLCTRL_GPIO_OUTPUT3;
+ if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755)
+ gpio_mask |= GRC_LCLCTRL_GPIO_UART_SEL;
+
tp->grc_local_ctrl |= tr32(GRC_LOCAL_CTRL) & gpio_mask;
/* GPIO1 must be driven high for eeprom write protect */
@@ -5976,6 +6198,11 @@ static int tg3_reset_hw(struct tg3 *tp)
}
}
+ /* Enable host coalescing bug fix */
+ if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755) ||
+ (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787))
+ val |= (1 << 29);
+
tw32_f(WDMAC_MODE, val);
udelay(40);
@@ -6031,6 +6258,9 @@ static int tg3_reset_hw(struct tg3 *tp)
udelay(100);
tp->rx_mode = RX_MODE_ENABLE;
+ if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755)
+ tp->rx_mode |= RX_MODE_IPV6_CSUM_ENABLE;
+
tw32_f(MAC_RX_MODE, tp->rx_mode);
udelay(10);
@@ -6080,6 +6310,17 @@ static int tg3_reset_hw(struct tg3 *tp)
tp->tg3_flags2 |= TG3_FLG2_HW_AUTONEG;
}
+ if ((tp->tg3_flags2 & TG3_FLG2_MII_SERDES) &&
+ (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714)) {
+ u32 tmp;
+
+ tmp = tr32(SERDES_RX_CTRL);
+ tw32(SERDES_RX_CTRL, tmp | SERDES_RX_SIG_DETECT);
+ tp->grc_local_ctrl &= ~GRC_LCLCTRL_USE_EXT_SIG_DETECT;
+ tp->grc_local_ctrl |= GRC_LCLCTRL_USE_SIG_DETECT;
+ tw32(GRC_LOCAL_CTRL, tp->grc_local_ctrl);
+ }
+
err = tg3_setup_phy(tp, 1);
if (err)
return err;
@@ -6158,7 +6399,7 @@ static int tg3_init_hw(struct tg3 *tp)
int err;
/* Force the chip into D0. */
- err = tg3_set_power_state(tp, 0);
+ err = tg3_set_power_state(tp, PCI_D0);
if (err)
goto out;
@@ -6314,6 +6555,26 @@ static void tg3_timer(unsigned long __opaque)
add_timer(&tp->timer);
}
+static int tg3_request_irq(struct tg3 *tp)
+{
+ irqreturn_t (*fn)(int, void *, struct pt_regs *);
+ unsigned long flags;
+ struct net_device *dev = tp->dev;
+
+ if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
+ fn = tg3_msi;
+ if (tp->tg3_flags2 & TG3_FLG2_1SHOT_MSI)
+ fn = tg3_msi_1shot;
+ flags = SA_SAMPLE_RANDOM;
+ } else {
+ fn = tg3_interrupt;
+ if (tp->tg3_flags & TG3_FLAG_TAGGED_STATUS)
+ fn = tg3_interrupt_tagged;
+ flags = SA_SHIRQ | SA_SAMPLE_RANDOM;
+ }
+ return (request_irq(tp->pdev->irq, fn, flags, dev->name, dev));
+}
+
static int tg3_test_interrupt(struct tg3 *tp)
{
struct net_device *dev = tp->dev;
@@ -6350,16 +6611,7 @@ static int tg3_test_interrupt(struct tg3 *tp)
free_irq(tp->pdev->irq, dev);
- if (tp->tg3_flags2 & TG3_FLG2_USING_MSI)
- err = request_irq(tp->pdev->irq, tg3_msi,
- SA_SAMPLE_RANDOM, dev->name, dev);
- 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);
- }
+ err = tg3_request_irq(tp);
if (err)
return err;
@@ -6411,14 +6663,7 @@ static int tg3_test_msi(struct tg3 *tp)
tp->tg3_flags2 &= ~TG3_FLG2_USING_MSI;
- {
- 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);
- }
+ err = tg3_request_irq(tp);
if (err)
return err;
@@ -6445,6 +6690,10 @@ static int tg3_open(struct net_device *dev)
tg3_full_lock(tp, 0);
+ err = tg3_set_power_state(tp, PCI_D0);
+ if (err)
+ return err;
+
tg3_disable_ints(tp);
tp->tg3_flags &= ~TG3_FLAG_INIT_COMPLETE;
@@ -6459,7 +6708,9 @@ 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)) {
+ (GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5750_BX) &&
+ !((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714) &&
+ (tp->pdev_peer == tp->pdev))) {
/* All MSI supporting chips should support tagged
* status. Assert that this is the case.
*/
@@ -6474,17 +6725,7 @@ static int tg3_open(struct net_device *dev)
tp->tg3_flags2 |= TG3_FLG2_USING_MSI;
}
}
- if (tp->tg3_flags2 & TG3_FLG2_USING_MSI)
- err = request_irq(tp->pdev->irq, tg3_msi,
- SA_SAMPLE_RANDOM, dev->name, dev);
- 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);
- }
+ err = tg3_request_irq(tp);
if (err) {
if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
@@ -6549,6 +6790,14 @@ static int tg3_open(struct net_device *dev)
return err;
}
+
+ if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
+ if (tp->tg3_flags2 & TG3_FLG2_1SHOT_MSI) {
+ u32 val = tr32(0x7c04);
+
+ tw32(0x7c04, val | (1 << 29));
+ }
+ }
}
tg3_full_lock(tp, 0);
@@ -6822,7 +7071,6 @@ static int tg3_close(struct net_device *dev)
tp->tg3_flags &=
~(TG3_FLAG_INIT_COMPLETE |
TG3_FLAG_GOT_SERDES_FLOWCTL);
- netif_carrier_off(tp->dev);
tg3_full_unlock(tp);
@@ -6839,6 +7087,10 @@ static int tg3_close(struct net_device *dev)
tg3_free_consistent(tp);
+ tg3_set_power_state(tp, PCI_D3hot);
+
+ netif_carrier_off(tp->dev);
+
return 0;
}
@@ -7133,6 +7385,9 @@ static void tg3_set_rx_mode(struct net_device *dev)
{
struct tg3 *tp = netdev_priv(dev);
+ if (!netif_running(dev))
+ return;
+
tg3_full_lock(tp, 0);
__tg3_set_rx_mode(dev);
tg3_full_unlock(tp);
@@ -7157,6 +7412,9 @@ static void tg3_get_regs(struct net_device *dev,
memset(p, 0, TG3_REGDUMP_LEN);
+ if (tp->link_config.phy_is_low_power)
+ return;
+
tg3_full_lock(tp, 0);
#define __GET_REG32(reg) (*(p)++ = tr32(reg))
@@ -7223,6 +7481,7 @@ static int tg3_get_eeprom_len(struct net_device *dev)
}
static int tg3_nvram_read(struct tg3 *tp, u32 offset, u32 *val);
+static int tg3_nvram_read_swab(struct tg3 *tp, u32 offset, u32 *val);
static int tg3_get_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom, u8 *data)
{
@@ -7231,6 +7490,9 @@ static int tg3_get_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
u8 *pd;
u32 i, offset, len, val, b_offset, b_count;
+ if (tp->link_config.phy_is_low_power)
+ return -EAGAIN;
+
offset = eeprom->offset;
len = eeprom->len;
eeprom->len = 0;
@@ -7292,6 +7554,9 @@ static int tg3_set_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
u32 offset, len, b_offset, odd_len, start, end;
u8 *buf;
+ if (tp->link_config.phy_is_low_power)
+ return -EAGAIN;
+
if (eeprom->magic != TG3_EEPROM_MAGIC)
return -EINVAL;
@@ -7425,6 +7690,7 @@ static void tg3_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info
strcpy(info->driver, DRV_MODULE_NAME);
strcpy(info->version, DRV_MODULE_VERSION);
+ strcpy(info->fw_version, tp->fw_ver);
strcpy(info->bus_info, pci_name(tp->pdev));
}
@@ -7519,11 +7785,20 @@ static void tg3_get_ringparam(struct net_device *dev, struct ethtool_ringparam *
ering->rx_max_pending = TG3_RX_RING_SIZE - 1;
ering->rx_mini_max_pending = 0;
- ering->rx_jumbo_max_pending = TG3_RX_JUMBO_RING_SIZE - 1;
+ if (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE)
+ ering->rx_jumbo_max_pending = TG3_RX_JUMBO_RING_SIZE - 1;
+ else
+ ering->rx_jumbo_max_pending = 0;
+
+ ering->tx_max_pending = TG3_TX_RING_SIZE - 1;
ering->rx_pending = tp->rx_pending;
ering->rx_mini_pending = 0;
- ering->rx_jumbo_pending = tp->rx_jumbo_pending;
+ if (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE)
+ ering->rx_jumbo_pending = tp->rx_jumbo_pending;
+ else
+ ering->rx_jumbo_pending = 0;
+
ering->tx_pending = tp->tx_pending;
}
@@ -7644,10 +7919,11 @@ static int tg3_set_tx_csum(struct net_device *dev, u32 data)
return 0;
}
- if (data)
- dev->features |= NETIF_F_IP_CSUM;
+ if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
+ GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787)
+ ethtool_op_set_tx_hw_csum(dev, data);
else
- dev->features &= ~NETIF_F_IP_CSUM;
+ ethtool_op_set_tx_csum(dev, data);
return 0;
}
@@ -7717,29 +7993,52 @@ static void tg3_get_ethtool_stats (struct net_device *dev,
}
#define NVRAM_TEST_SIZE 0x100
+#define NVRAM_SELFBOOT_FORMAT1_SIZE 0x14
static int tg3_test_nvram(struct tg3 *tp)
{
- u32 *buf, csum;
- int i, j, err = 0;
+ u32 *buf, csum, magic;
+ int i, j, err = 0, size;
+
+ if (tg3_nvram_read_swab(tp, 0, &magic) != 0)
+ return -EIO;
- buf = kmalloc(NVRAM_TEST_SIZE, GFP_KERNEL);
+ if (magic == TG3_EEPROM_MAGIC)
+ size = NVRAM_TEST_SIZE;
+ else if ((magic & 0xff000000) == 0xa5000000) {
+ if ((magic & 0xe00000) == 0x200000)
+ size = NVRAM_SELFBOOT_FORMAT1_SIZE;
+ else
+ return 0;
+ } else
+ return -EIO;
+
+ buf = kmalloc(size, GFP_KERNEL);
if (buf == NULL)
return -ENOMEM;
- for (i = 0, j = 0; i < NVRAM_TEST_SIZE; i += 4, j++) {
+ err = -EIO;
+ for (i = 0, j = 0; i < 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)
+ if (i < size)
goto out;
- err = -EIO;
- if (cpu_to_be32(buf[0]) != TG3_EEPROM_MAGIC)
- goto out;
+ /* Selfboot format */
+ if (cpu_to_be32(buf[0]) != TG3_EEPROM_MAGIC) {
+ u8 *buf8 = (u8 *) buf, csum8 = 0;
+
+ for (i = 0; i < size; i++)
+ csum8 += buf8[i];
+
+ if (csum8 == 0)
+ return 0;
+ return -EIO;
+ }
/* Bootstrap checksum at offset 0x10 */
csum = calc_crc((unsigned char *) buf, 0x10);
@@ -7999,7 +8298,7 @@ out:
static int tg3_do_mem_test(struct tg3 *tp, u32 offset, u32 len)
{
- static u32 test_pattern[] = { 0x00000000, 0xffffffff, 0xaa55a55a };
+ static const u32 test_pattern[] = { 0x00000000, 0xffffffff, 0xaa55a55a };
int i;
u32 j;
@@ -8033,14 +8332,25 @@ static int tg3_test_memory(struct tg3 *tp)
{ 0x00008000, 0x02000},
{ 0x00010000, 0x0e000},
{ 0xffffffff, 0x00000}
+ }, mem_tbl_5755[] = {
+ { 0x00000200, 0x00008},
+ { 0x00004000, 0x00800},
+ { 0x00006000, 0x00800},
+ { 0x00008000, 0x02000},
+ { 0x00010000, 0x0c000},
+ { 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
+ if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
+ if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
+ GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787)
+ mem_tbl = mem_tbl_5755;
+ else
+ mem_tbl = mem_tbl_5705;
+ } else
mem_tbl = mem_tbl_570x;
for (i = 0; mem_tbl[i].offset != 0xffffffff; i++) {
@@ -8212,6 +8522,9 @@ static void tg3_self_test(struct net_device *dev, struct ethtool_test *etest,
{
struct tg3 *tp = netdev_priv(dev);
+ if (tp->link_config.phy_is_low_power)
+ tg3_set_power_state(tp, PCI_D0);
+
memset(data, 0, sizeof(u64) * TG3_NUM_TEST);
if (tg3_test_nvram(tp) != 0) {
@@ -8240,6 +8553,9 @@ static void tg3_self_test(struct net_device *dev, struct ethtool_test *etest,
if (!err)
tg3_nvram_unlock(tp);
+ if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES)
+ tg3_phy_reset(tp);
+
if (tg3_test_registers(tp) != 0) {
etest->flags |= ETH_TEST_FL_FAILED;
data[2] = 1;
@@ -8269,6 +8585,9 @@ static void tg3_self_test(struct net_device *dev, struct ethtool_test *etest,
tg3_full_unlock(tp);
}
+ if (tp->link_config.phy_is_low_power)
+ tg3_set_power_state(tp, PCI_D3hot);
+
}
static int tg3_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
@@ -8288,6 +8607,9 @@ static int tg3_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)
break; /* We have no PHY */
+ if (tp->link_config.phy_is_low_power)
+ return -EAGAIN;
+
spin_lock_bh(&tp->lock);
err = tg3_readphy(tp, data->reg_num & 0x1f, &mii_regval);
spin_unlock_bh(&tp->lock);
@@ -8304,6 +8626,9 @@ static int tg3_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
if (!capable(CAP_NET_ADMIN))
return -EPERM;
+ if (tp->link_config.phy_is_low_power)
+ return -EAGAIN;
+
spin_lock_bh(&tp->lock);
err = tg3_writephy(tp, data->reg_num & 0x1f, data->val_in);
spin_unlock_bh(&tp->lock);
@@ -8447,14 +8772,14 @@ static struct ethtool_ops tg3_ethtool_ops = {
static void __devinit tg3_get_eeprom_size(struct tg3 *tp)
{
- u32 cursize, val;
+ u32 cursize, val, magic;
tp->nvram_size = EEPROM_CHIP_SIZE;
- if (tg3_nvram_read(tp, 0, &val) != 0)
+ if (tg3_nvram_read_swab(tp, 0, &magic) != 0)
return;
- if (swab32(val) != TG3_EEPROM_MAGIC)
+ if ((magic != TG3_EEPROM_MAGIC) && ((magic & 0xff000000) != 0xa5000000))
return;
/*
@@ -8462,13 +8787,13 @@ static void __devinit tg3_get_eeprom_size(struct tg3 *tp)
* When we encounter our validation signature, we know the addressing
* has wrapped around, and thus have our chip size.
*/
- cursize = 0x800;
+ cursize = 0x10;
while (cursize < tp->nvram_size) {
- if (tg3_nvram_read(tp, cursize, &val) != 0)
+ if (tg3_nvram_read_swab(tp, cursize, &val) != 0)
return;
- if (swab32(val) == TG3_EEPROM_MAGIC)
+ if (val == magic)
break;
cursize <<= 1;
@@ -8481,6 +8806,15 @@ static void __devinit tg3_get_nvram_size(struct tg3 *tp)
{
u32 val;
+ if (tg3_nvram_read_swab(tp, 0, &val) != 0)
+ return;
+
+ /* Selfboot format */
+ if (val != TG3_EEPROM_MAGIC) {
+ tg3_get_eeprom_size(tp);
+ return;
+ }
+
if (tg3_nvram_read(tp, 0xf0, &val) == 0) {
if (val != 0) {
tp->nvram_size = (val >> 16) * 1024;
@@ -8604,6 +8938,85 @@ static void __devinit tg3_get_5752_nvram_info(struct tg3 *tp)
}
}
+static void __devinit tg3_get_5755_nvram_info(struct tg3 *tp)
+{
+ u32 nvcfg1;
+
+ nvcfg1 = tr32(NVRAM_CFG1);
+
+ /* NVRAM protection for TPM */
+ if (nvcfg1 & (1 << 27))
+ tp->tg3_flags2 |= TG3_FLG2_PROTECTED_NVRAM;
+
+ switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
+ case FLASH_5755VENDOR_ATMEL_EEPROM_64KHZ:
+ case FLASH_5755VENDOR_ATMEL_EEPROM_376KHZ:
+ tp->nvram_jedecnum = JEDEC_ATMEL;
+ tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
+ tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
+
+ nvcfg1 &= ~NVRAM_CFG1_COMPAT_BYPASS;
+ tw32(NVRAM_CFG1, nvcfg1);
+ break;
+ case FLASH_5752VENDOR_ATMEL_FLASH_BUFFERED:
+ case FLASH_5755VENDOR_ATMEL_FLASH_1:
+ case FLASH_5755VENDOR_ATMEL_FLASH_2:
+ case FLASH_5755VENDOR_ATMEL_FLASH_3:
+ case FLASH_5755VENDOR_ATMEL_FLASH_4:
+ tp->nvram_jedecnum = JEDEC_ATMEL;
+ tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
+ tp->tg3_flags2 |= TG3_FLG2_FLASH;
+ tp->nvram_pagesize = 264;
+ break;
+ case FLASH_5752VENDOR_ST_M45PE10:
+ case FLASH_5752VENDOR_ST_M45PE20:
+ case FLASH_5752VENDOR_ST_M45PE40:
+ tp->nvram_jedecnum = JEDEC_ST;
+ tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
+ tp->tg3_flags2 |= TG3_FLG2_FLASH;
+ tp->nvram_pagesize = 256;
+ break;
+ }
+}
+
+static void __devinit tg3_get_5787_nvram_info(struct tg3 *tp)
+{
+ u32 nvcfg1;
+
+ nvcfg1 = tr32(NVRAM_CFG1);
+
+ switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
+ case FLASH_5787VENDOR_ATMEL_EEPROM_64KHZ:
+ case FLASH_5787VENDOR_ATMEL_EEPROM_376KHZ:
+ case FLASH_5787VENDOR_MICRO_EEPROM_64KHZ:
+ case FLASH_5787VENDOR_MICRO_EEPROM_376KHZ:
+ tp->nvram_jedecnum = JEDEC_ATMEL;
+ tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
+ tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
+
+ nvcfg1 &= ~NVRAM_CFG1_COMPAT_BYPASS;
+ tw32(NVRAM_CFG1, nvcfg1);
+ break;
+ case FLASH_5752VENDOR_ATMEL_FLASH_BUFFERED:
+ case FLASH_5755VENDOR_ATMEL_FLASH_1:
+ case FLASH_5755VENDOR_ATMEL_FLASH_2:
+ case FLASH_5755VENDOR_ATMEL_FLASH_3:
+ tp->nvram_jedecnum = JEDEC_ATMEL;
+ tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
+ tp->tg3_flags2 |= TG3_FLG2_FLASH;
+ tp->nvram_pagesize = 264;
+ break;
+ case FLASH_5752VENDOR_ST_M45PE10:
+ case FLASH_5752VENDOR_ST_M45PE20:
+ case FLASH_5752VENDOR_ST_M45PE40:
+ tp->nvram_jedecnum = JEDEC_ST;
+ tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
+ tp->tg3_flags2 |= TG3_FLG2_FLASH;
+ tp->nvram_pagesize = 256;
+ break;
+ }
+}
+
/* Chips other than 5700/5701 use the NVRAM for fetching info. */
static void __devinit tg3_nvram_init(struct tg3 *tp)
{
@@ -8639,6 +9052,10 @@ static void __devinit tg3_nvram_init(struct tg3 *tp)
if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752)
tg3_get_5752_nvram_info(tp);
+ else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755)
+ tg3_get_5755_nvram_info(tp);
+ else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787)
+ tg3_get_5787_nvram_info(tp);
else
tg3_get_nvram_info(tp);
@@ -8708,6 +9125,34 @@ static int tg3_nvram_exec_cmd(struct tg3 *tp, u32 nvram_cmd)
return 0;
}
+static u32 tg3_nvram_phys_addr(struct tg3 *tp, u32 addr)
+{
+ if ((tp->tg3_flags & TG3_FLAG_NVRAM) &&
+ (tp->tg3_flags & TG3_FLAG_NVRAM_BUFFERED) &&
+ (tp->tg3_flags2 & TG3_FLG2_FLASH) &&
+ (tp->nvram_jedecnum == JEDEC_ATMEL))
+
+ addr = ((addr / tp->nvram_pagesize) <<
+ ATMEL_AT45DB0X1B_PAGE_POS) +
+ (addr % tp->nvram_pagesize);
+
+ return addr;
+}
+
+static u32 tg3_nvram_logical_addr(struct tg3 *tp, u32 addr)
+{
+ if ((tp->tg3_flags & TG3_FLAG_NVRAM) &&
+ (tp->tg3_flags & TG3_FLAG_NVRAM_BUFFERED) &&
+ (tp->tg3_flags2 & TG3_FLG2_FLASH) &&
+ (tp->nvram_jedecnum == JEDEC_ATMEL))
+
+ addr = ((addr >> ATMEL_AT45DB0X1B_PAGE_POS) *
+ tp->nvram_pagesize) +
+ (addr & ((1 << ATMEL_AT45DB0X1B_PAGE_POS) - 1));
+
+ return addr;
+}
+
static int tg3_nvram_read(struct tg3 *tp, u32 offset, u32 *val)
{
int ret;
@@ -8720,14 +9165,7 @@ static int tg3_nvram_read(struct tg3 *tp, u32 offset, u32 *val)
if (!(tp->tg3_flags & TG3_FLAG_NVRAM))
return tg3_nvram_read_using_eeprom(tp, offset, val);
- if ((tp->tg3_flags & TG3_FLAG_NVRAM_BUFFERED) &&
- (tp->tg3_flags2 & TG3_FLG2_FLASH) &&
- (tp->nvram_jedecnum == JEDEC_ATMEL)) {
-
- offset = ((offset / tp->nvram_pagesize) <<
- ATMEL_AT45DB0X1B_PAGE_POS) +
- (offset % tp->nvram_pagesize);
- }
+ offset = tg3_nvram_phys_addr(tp, offset);
if (offset > NVRAM_ADDR_MSK)
return -EINVAL;
@@ -8752,6 +9190,16 @@ static int tg3_nvram_read(struct tg3 *tp, u32 offset, u32 *val)
return ret;
}
+static int tg3_nvram_read_swab(struct tg3 *tp, u32 offset, u32 *val)
+{
+ int err;
+ u32 tmp;
+
+ err = tg3_nvram_read(tp, offset, &tmp);
+ *val = swab32(tmp);
+ return err;
+}
+
static int tg3_nvram_write_block_using_eeprom(struct tg3 *tp,
u32 offset, u32 len, u8 *buf)
{
@@ -8904,15 +9352,7 @@ static int tg3_nvram_write_block_buffered(struct tg3 *tp, u32 offset, u32 len,
page_off = offset % tp->nvram_pagesize;
- if ((tp->tg3_flags2 & TG3_FLG2_FLASH) &&
- (tp->nvram_jedecnum == JEDEC_ATMEL)) {
-
- phy_addr = ((offset / tp->nvram_pagesize) <<
- ATMEL_AT45DB0X1B_PAGE_POS) + page_off;
- }
- else {
- phy_addr = offset;
- }
+ phy_addr = tg3_nvram_phys_addr(tp, offset);
tw32(NVRAM_ADDR, phy_addr);
@@ -8927,6 +9367,8 @@ static int tg3_nvram_write_block_buffered(struct tg3 *tp, u32 offset, u32 len,
nvram_cmd |= NVRAM_CMD_LAST;
if ((GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5752) &&
+ (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5755) &&
+ (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5787) &&
(tp->nvram_jedecnum == JEDEC_ST) &&
(nvram_cmd & NVRAM_CMD_FIRST)) {
@@ -9064,12 +9506,18 @@ static inline struct subsys_tbl_ent *lookup_by_subsys(struct tg3 *tp)
return NULL;
}
-/* Since this function may be called in D3-hot power state during
- * tg3_init_one(), only config cycles are allowed.
- */
static void __devinit tg3_get_eeprom_hw_cfg(struct tg3 *tp)
{
u32 val;
+ u16 pmcsr;
+
+ /* On some early chips the SRAM cannot be accessed in D3hot state,
+ * so need make sure we're in D0.
+ */
+ pci_read_config_word(tp->pdev, tp->pm_cap + PCI_PM_CTRL, &pmcsr);
+ pmcsr &= ~PCI_PM_CTRL_STATE_MASK;
+ pci_write_config_word(tp->pdev, tp->pm_cap + PCI_PM_CTRL, pmcsr);
+ msleep(1);
/* Make sure register accesses (indirect or otherwise)
* will function correctly.
@@ -9080,6 +9528,10 @@ static void __devinit tg3_get_eeprom_hw_cfg(struct tg3 *tp)
tp->phy_id = PHY_ID_INVALID;
tp->led_ctrl = LED_CTRL_MODE_PHY_1;
+ /* Do not even try poking around in here on Sun parts. */
+ if (tp->tg3_flags2 & TG3_FLG2_SUN_570X)
+ return;
+
tg3_read_mem(tp, NIC_SRAM_DATA_SIG, &val);
if (val == NIC_SRAM_DATA_SIG_MAGIC) {
u32 nic_cfg, led_cfg;
@@ -9326,6 +9778,7 @@ static void __devinit tg3_read_partno(struct tg3 *tp)
{
unsigned char vpd_data[256];
int i;
+ u32 magic;
if (tp->tg3_flags2 & TG3_FLG2_SUN_570X) {
/* Sun decided not to put the necessary bits in the
@@ -9335,16 +9788,43 @@ static void __devinit tg3_read_partno(struct tg3 *tp)
return;
}
- for (i = 0; i < 256; i += 4) {
- u32 tmp;
+ if (tg3_nvram_read_swab(tp, 0x0, &magic))
+ return;
- if (tg3_nvram_read(tp, 0x100 + i, &tmp))
- goto out_not_found;
+ if (magic == TG3_EEPROM_MAGIC) {
+ for (i = 0; i < 256; i += 4) {
+ u32 tmp;
+
+ if (tg3_nvram_read(tp, 0x100 + i, &tmp))
+ goto out_not_found;
- vpd_data[i + 0] = ((tmp >> 0) & 0xff);
- vpd_data[i + 1] = ((tmp >> 8) & 0xff);
- vpd_data[i + 2] = ((tmp >> 16) & 0xff);
- vpd_data[i + 3] = ((tmp >> 24) & 0xff);
+ vpd_data[i + 0] = ((tmp >> 0) & 0xff);
+ vpd_data[i + 1] = ((tmp >> 8) & 0xff);
+ vpd_data[i + 2] = ((tmp >> 16) & 0xff);
+ vpd_data[i + 3] = ((tmp >> 24) & 0xff);
+ }
+ } else {
+ int vpd_cap;
+
+ vpd_cap = pci_find_capability(tp->pdev, PCI_CAP_ID_VPD);
+ for (i = 0; i < 256; i += 4) {
+ u32 tmp, j = 0;
+ u16 tmp16;
+
+ pci_write_config_word(tp->pdev, vpd_cap + PCI_VPD_ADDR,
+ i);
+ while (j++ < 100) {
+ pci_read_config_word(tp->pdev, vpd_cap +
+ PCI_VPD_ADDR, &tmp16);
+ if (tmp16 & 0x8000)
+ break;
+ msleep(1);
+ }
+ pci_read_config_dword(tp->pdev, vpd_cap + PCI_VPD_DATA,
+ &tmp);
+ tmp = cpu_to_le32(tmp);
+ memcpy(&vpd_data[i], &tmp, 4);
+ }
}
/* Now parse and find the part number. */
@@ -9391,6 +9871,46 @@ out_not_found:
strcpy(tp->board_part_number, "none");
}
+static void __devinit tg3_read_fw_ver(struct tg3 *tp)
+{
+ u32 val, offset, start;
+
+ if (tg3_nvram_read_swab(tp, 0, &val))
+ return;
+
+ if (val != TG3_EEPROM_MAGIC)
+ return;
+
+ if (tg3_nvram_read_swab(tp, 0xc, &offset) ||
+ tg3_nvram_read_swab(tp, 0x4, &start))
+ return;
+
+ offset = tg3_nvram_logical_addr(tp, offset);
+ if (tg3_nvram_read_swab(tp, offset, &val))
+ return;
+
+ if ((val & 0xfc000000) == 0x0c000000) {
+ u32 ver_offset, addr;
+ int i;
+
+ if (tg3_nvram_read_swab(tp, offset + 4, &val) ||
+ tg3_nvram_read_swab(tp, offset + 8, &ver_offset))
+ return;
+
+ if (val != 0)
+ return;
+
+ addr = offset + ver_offset - start;
+ for (i = 0; i < 16; i += 4) {
+ if (tg3_nvram_read(tp, addr + i, &val))
+ return;
+
+ val = cpu_to_le32(val);
+ memcpy(tp->fw_ver + i, &val, 4);
+ }
+ }
+}
+
#ifdef CONFIG_SPARC64
static int __devinit tg3_is_sun_570X(struct tg3 *tp)
{
@@ -9408,6 +9928,15 @@ static int __devinit tg3_is_sun_570X(struct tg3 *tp)
return 0;
if (venid == PCI_VENDOR_ID_SUN)
return 1;
+
+ /* TG3 chips onboard the SunBlade-2500 don't have the
+ * subsystem-vendor-id set to PCI_VENDOR_ID_SUN but they
+ * are distinguishable from non-Sun variants by being
+ * named "network" by the firmware. Non-Sun cards will
+ * show up as being named "ethernet".
+ */
+ if (!strcmp(pcp->prom_name, "network"))
+ return 1;
}
return 0;
}
@@ -9526,12 +10055,36 @@ static int __devinit tg3_get_invariants(struct tg3 *tp)
}
}
- /* Find msi capability. */
+ /* The EPB bridge inside 5714, 5715, and 5780 cannot support
+ * DMA addresses > 40-bit. This bridge may have other additional
+ * 57xx devices behind it in some 4-port NIC designs for example.
+ * Any tg3 device found behind the bridge will also need the 40-bit
+ * DMA workaround.
+ */
if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780 ||
GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714) {
tp->tg3_flags2 |= TG3_FLG2_5780_CLASS;
+ tp->tg3_flags |= TG3_FLAG_40BIT_DMA_BUG;
tp->msi_cap = pci_find_capability(tp->pdev, PCI_CAP_ID_MSI);
}
+ else {
+ struct pci_dev *bridge = NULL;
+
+ do {
+ bridge = pci_get_device(PCI_VENDOR_ID_SERVERWORKS,
+ PCI_DEVICE_ID_SERVERWORKS_EPB,
+ bridge);
+ if (bridge && bridge->subordinate &&
+ (bridge->subordinate->number <=
+ tp->pdev->bus->number) &&
+ (bridge->subordinate->subordinate >=
+ tp->pdev->bus->number)) {
+ tp->tg3_flags |= TG3_FLAG_40BIT_DMA_BUG;
+ pci_dev_put(bridge);
+ break;
+ }
+ } while (bridge);
+ }
/* Initialize misc host control in PCI block. */
tp->misc_host_ctrl |= (misc_ctrl_reg &
@@ -9549,6 +10102,8 @@ static int __devinit tg3_get_invariants(struct tg3 *tp)
if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750 ||
GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752 ||
+ GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
+ GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787 ||
(tp->tg3_flags2 & TG3_FLG2_5780_CLASS))
tp->tg3_flags2 |= TG3_FLG2_5750_PLUS;
@@ -9556,12 +10111,20 @@ static int __devinit tg3_get_invariants(struct tg3 *tp)
(tp->tg3_flags2 & TG3_FLG2_5750_PLUS))
tp->tg3_flags2 |= TG3_FLG2_5705_PLUS;
- if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS)
- tp->tg3_flags2 |= TG3_FLG2_HW_TSO;
+ if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS) {
+ if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
+ GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787) {
+ tp->tg3_flags2 |= TG3_FLG2_HW_TSO_2;
+ tp->tg3_flags2 |= TG3_FLG2_1SHOT_MSI;
+ } else
+ tp->tg3_flags2 |= TG3_FLG2_HW_TSO_1;
+ }
if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5705 &&
GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5750 &&
- GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5752)
+ GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5752 &&
+ GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5755 &&
+ GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5787)
tp->tg3_flags2 |= TG3_FLG2_JUMBO_CAPABLE;
if (pci_find_capability(tp->pdev, PCI_CAP_ID_EXP) != 0)
@@ -9717,8 +10280,11 @@ static int __devinit tg3_get_invariants(struct tg3 *tp)
else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752)
tp->grc_local_ctrl |= GRC_LCLCTRL_GPIO_OE3;
+ if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755)
+ tp->grc_local_ctrl |= GRC_LCLCTRL_GPIO_UART_SEL;
+
/* Force the chip into D0. */
- err = tg3_set_power_state(tp, 0);
+ err = tg3_set_power_state(tp, PCI_D0);
if (err) {
printk(KERN_ERR PFX "(%s) transition to D0 failed\n",
pci_name(tp->pdev));
@@ -9771,7 +10337,9 @@ static int __devinit tg3_get_invariants(struct tg3 *tp)
if (tp->pci_chip_rev_id == CHIPREV_ID_5704_A0)
tp->tg3_flags2 |= TG3_FLG2_PHY_5704_A0_BUG;
- if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)
+ if ((tp->tg3_flags2 & TG3_FLG2_5705_PLUS) &&
+ (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5755) &&
+ (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5787))
tp->tg3_flags2 |= TG3_FLG2_PHY_BER_BUG;
tp->coalesce_mode = 0;
@@ -9871,6 +10439,7 @@ static int __devinit tg3_get_invariants(struct tg3 *tp)
}
tg3_read_partno(tp);
+ tg3_read_fw_ver(tp);
if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
tp->tg3_flags &= ~TG3_FLAG_USE_MI_INTERRUPT;
@@ -9906,10 +10475,14 @@ static int __devinit tg3_get_invariants(struct tg3 *tp)
else
tp->tg3_flags &= ~TG3_FLAG_POLL_SERDES;
- /* It seems all chips can get confused if TX buffers
+ /* All chips before 5787 can get confused if TX buffers
* straddle the 4GB address boundary in some cases.
*/
- tp->dev->hard_start_xmit = tg3_start_xmit;
+ if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
+ GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787)
+ tp->dev->hard_start_xmit = tg3_start_xmit;
+ else
+ tp->dev->hard_start_xmit = tg3_start_xmit_dma_bug;
tp->rx_offset = 2;
if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701 &&
@@ -10277,7 +10850,14 @@ static int __devinit tg3_test_dma(struct tg3 *tp)
GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
u32 ccval = (tr32(TG3PCI_CLOCK_CTRL) & 0x1f);
- if (ccval == 0x6 || ccval == 0x7)
+ /* If the 5704 is behind the EPB bridge, we can
+ * do the less restrictive ONE_DMA workaround for
+ * better performance.
+ */
+ if ((tp->tg3_flags & TG3_FLAG_40BIT_DMA_BUG) &&
+ GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704)
+ tp->dma_rwctrl |= 0x8000;
+ else if (ccval == 0x6 || ccval == 0x7)
tp->dma_rwctrl |= DMA_RWCTRL_ONE_DMA;
/* Set bit 23 to enable PCIX hw bug fix */
@@ -10430,7 +11010,6 @@ static void __devinit tg3_init_link_config(struct tg3 *tp)
tp->link_config.speed = SPEED_INVALID;
tp->link_config.duplex = DUPLEX_INVALID;
tp->link_config.autoneg = AUTONEG_ENABLE;
- netif_carrier_off(tp->dev);
tp->link_config.active_speed = SPEED_INVALID;
tp->link_config.active_duplex = DUPLEX_INVALID;
tp->link_config.phy_is_low_power = 0;
@@ -10489,6 +11068,8 @@ static char * __devinit tg3_phy_string(struct tg3 *tp)
case PHY_ID_BCM5752: return "5752";
case PHY_ID_BCM5714: return "5714";
case PHY_ID_BCM5780: return "5780";
+ case PHY_ID_BCM5755: return "5755";
+ case PHY_ID_BCM5787: return "5787";
case PHY_ID_BCM8002: return "8002/serdes";
case 0: return "serdes";
default: return "unknown";
@@ -10517,8 +11098,6 @@ static char * __devinit tg3_bus_string(struct tg3 *tp, char *str)
strcat(str, "66MHz");
else if (clock_ctrl == 6)
strcat(str, "100MHz");
- else if (clock_ctrl == 7)
- strcat(str, "133MHz");
} else {
strcpy(str, "PCI:");
if (tp->tg3_flags & TG3_FLAG_PCI_HIGH_SPEED)
@@ -10599,8 +11178,9 @@ static int __devinit tg3_init_one(struct pci_dev *pdev,
unsigned long tg3reg_base, tg3reg_len;
struct net_device *dev;
struct tg3 *tp;
- int i, err, pci_using_dac, pm_cap;
+ int i, err, pm_cap;
char str[40];
+ u64 dma_mask, persist_dma_mask;
if (tg3_version_printed++ == 0)
printk(KERN_INFO "%s", version);
@@ -10637,26 +11217,6 @@ static int __devinit tg3_init_one(struct pci_dev *pdev,
goto err_out_free_res;
}
- /* Configure DMA attributes. */
- err = pci_set_dma_mask(pdev, DMA_64BIT_MASK);
- if (!err) {
- pci_using_dac = 1;
- err = pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK);
- if (err < 0) {
- printk(KERN_ERR PFX "Unable to obtain 64 bit DMA "
- "for consistent allocations\n");
- goto err_out_free_res;
- }
- } else {
- err = pci_set_dma_mask(pdev, DMA_32BIT_MASK);
- if (err) {
- printk(KERN_ERR PFX "No usable DMA configuration, "
- "aborting.\n");
- goto err_out_free_res;
- }
- pci_using_dac = 0;
- }
-
tg3reg_base = pci_resource_start(pdev, 0);
tg3reg_len = pci_resource_len(pdev, 0);
@@ -10670,8 +11230,6 @@ static int __devinit tg3_init_one(struct pci_dev *pdev,
SET_MODULE_OWNER(dev);
SET_NETDEV_DEV(dev, &pdev->dev);
- if (pci_using_dac)
- dev->features |= NETIF_F_HIGHDMA;
dev->features |= NETIF_F_LLTX;
#if TG3_VLAN_TAG_USED
dev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX;
@@ -10756,6 +11314,45 @@ static int __devinit tg3_init_one(struct pci_dev *pdev,
goto err_out_iounmap;
}
+ /* The EPB bridge inside 5714, 5715, and 5780 and any
+ * device behind the EPB cannot support DMA addresses > 40-bit.
+ * On 64-bit systems with IOMMU, use 40-bit dma_mask.
+ * On 64-bit systems without IOMMU, use 64-bit dma_mask and
+ * do DMA address check in tg3_start_xmit().
+ */
+ if (tp->tg3_flags2 & TG3_FLG2_IS_5788)
+ persist_dma_mask = dma_mask = DMA_32BIT_MASK;
+ else if (tp->tg3_flags & TG3_FLAG_40BIT_DMA_BUG) {
+ persist_dma_mask = dma_mask = DMA_40BIT_MASK;
+#ifdef CONFIG_HIGHMEM
+ dma_mask = DMA_64BIT_MASK;
+#endif
+ } else
+ persist_dma_mask = dma_mask = DMA_64BIT_MASK;
+
+ /* Configure DMA attributes. */
+ if (dma_mask > DMA_32BIT_MASK) {
+ err = pci_set_dma_mask(pdev, dma_mask);
+ if (!err) {
+ dev->features |= NETIF_F_HIGHDMA;
+ err = pci_set_consistent_dma_mask(pdev,
+ persist_dma_mask);
+ if (err < 0) {
+ printk(KERN_ERR PFX "Unable to obtain 64 bit "
+ "DMA for consistent allocations\n");
+ goto err_out_iounmap;
+ }
+ }
+ }
+ if (err || dma_mask == DMA_32BIT_MASK) {
+ err = pci_set_dma_mask(pdev, DMA_32BIT_MASK);
+ if (err) {
+ printk(KERN_ERR PFX "No usable DMA configuration, "
+ "aborting.\n");
+ goto err_out_iounmap;
+ }
+ }
+
tg3_init_bufmgr_config(tp);
#if TG3_TSO_SUPPORT != 0
@@ -10771,11 +11368,12 @@ static int __devinit tg3_init_one(struct pci_dev *pdev,
tp->tg3_flags2 |= TG3_FLG2_TSO_CAPABLE;
}
- /* TSO is off by default, user can enable using ethtool. */
-#if 0
- if (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE)
+ /* TSO is on by default on chips that support hardware TSO.
+ * Firmware TSO on older chips gives lower performance, so it
+ * is off by default, but can be enabled using ethtool.
+ */
+ if (tp->tg3_flags2 & TG3_FLG2_HW_TSO)
dev->features |= NETIF_F_TSO;
-#endif
#endif
@@ -10819,14 +11417,16 @@ static int __devinit tg3_init_one(struct pci_dev *pdev,
* checksumming.
*/
if ((tp->tg3_flags & TG3_FLAG_BROKEN_CHECKSUMS) == 0) {
- dev->features |= NETIF_F_SG | NETIF_F_IP_CSUM;
+ if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
+ GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787)
+ dev->features |= NETIF_F_HW_CSUM;
+ else
+ dev->features |= NETIF_F_IP_CSUM;
+ dev->features |= NETIF_F_SG;
tp->tg3_flags |= TG3_FLAG_RX_CHECKSUMS;
} else
tp->tg3_flags &= ~TG3_FLAG_RX_CHECKSUMS;
- if (tp->tg3_flags2 & TG3_FLG2_IS_5788)
- dev->features &= ~NETIF_F_HIGHDMA;
-
/* flow control autonegotiation is default behavior */
tp->tg3_flags |= TG3_FLAG_PAUSE_AUTONEG;
@@ -10870,8 +11470,12 @@ 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);
+ printk(KERN_INFO "%s: dma_rwctrl[%08x] dma_mask[%d-bit]\n",
+ dev->name, tp->dma_rwctrl,
+ (pdev->dma_mask == DMA_32BIT_MASK) ? 32 :
+ (((u64) pdev->dma_mask == DMA_40BIT_MASK) ? 40 : 64));
+
+ netif_carrier_off(tp->dev);
return 0;
@@ -10968,7 +11572,7 @@ static int tg3_resume(struct pci_dev *pdev)
pci_restore_state(tp->pdev);
- err = tg3_set_power_state(tp, 0);
+ err = tg3_set_power_state(tp, PCI_D0);
if (err)
return err;
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.