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Diffstat (limited to 'dde_e1000/e1000_main.c')
-rw-r--r--dde_e1000/e1000_main.c33
1 files changed, 31 insertions, 2 deletions
diff --git a/dde_e1000/e1000_main.c b/dde_e1000/e1000_main.c
index f25a5367..3f608476 100644
--- a/dde_e1000/e1000_main.c
+++ b/dde_e1000/e1000_main.c
@@ -328,13 +328,15 @@ static void e1000_update_mng_vlan(struct e1000_adapter *adapter)
E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT) {
e1000_vlan_rx_add_vid(netdev, vid);
adapter->mng_vlan_id = vid;
- } else
+ } else {
adapter->mng_vlan_id = E1000_MNG_VLAN_NONE;
+ }
if ((old_vid != (u16)E1000_MNG_VLAN_NONE) &&
(vid != old_vid) &&
- !vlan_group_get_device(adapter->vlgrp, old_vid))
+ !vlan_group_get_device(adapter->vlgrp, old_vid)) {
e1000_vlan_rx_kill_vid(netdev, old_vid);
+ }
} else
adapter->mng_vlan_id = vid;
}
@@ -937,7 +939,9 @@ static int __devinit e1000_probe(struct pci_dev *pdev,
/* do not allocate ioport bars when not needed */
need_ioport = e1000_is_need_ioport(pdev);
+ printk("do we need ioport? %d\n", need_ioport);
if (need_ioport) {
+ printk("pci_enable_device will be called\n");
bars = pci_select_bars(pdev, IORESOURCE_MEM | IORESOURCE_IO);
err = pci_enable_device(pdev);
} else {
@@ -947,6 +951,7 @@ static int __devinit e1000_probe(struct pci_dev *pdev,
if (err)
return err;
+ printk("bars: %x\n", bars);
if (!pci_set_dma_mask(pdev, DMA_64BIT_MASK) &&
!pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK)) {
pci_using_dac = 1;
@@ -998,6 +1003,8 @@ static int __devinit e1000_probe(struct pci_dev *pdev,
continue;
if (pci_resource_flags(pdev, i) & IORESOURCE_IO) {
hw->io_base = pci_resource_start(pdev, i);
+ printk("io base: %p, i: %d\n",
+ hw->io_base, i);
break;
}
}
@@ -1084,6 +1091,7 @@ static int __devinit e1000_probe(struct pci_dev *pdev,
*/
memset(hw->mac_addr, 0, netdev->addr_len);
} else {
+ printk("succeed to validate eeprom\n");
/* copy the MAC address out of the EEPROM */
if (e1000_read_mac_addr(hw))
DPRINTK(PROBE, ERR, "EEPROM Read Error\n");
@@ -1585,6 +1593,8 @@ static int e1000_setup_tx_resources(struct e1000_adapter *adapter,
txdr->size = ALIGN(txdr->size, 4096);
txdr->desc = pci_alloc_consistent(pdev, txdr->size, &txdr->dma);
+ printk("allocate %d bytes for transmit desc ring: %p\n",
+ txdr->size, txdr->desc);
if (!txdr->desc) {
setup_tx_desc_die:
vfree(txdr->buffer_info);
@@ -1804,6 +1814,7 @@ static int e1000_setup_rx_resources(struct e1000_adapter *adapter,
rxdr->size = rxdr->count * desc_len;
rxdr->size = ALIGN(rxdr->size, 4096);
+ printk("we allocate %d descriptors for rx\n", rxdr->count);
rxdr->desc = pci_alloc_consistent(pdev, rxdr->size, &rxdr->dma);
if (!rxdr->desc) {
@@ -3194,6 +3205,7 @@ static int e1000_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
int tso;
unsigned int f;
+ printk("try to send a packet\n");
/* This goes back to the question of how to logically map a tx queue
* to a flow. Right now, performance is impacted slightly negatively
* if using multiple tx queues. If the stack breaks away from a
@@ -3671,6 +3683,7 @@ static irqreturn_t e1000_intr_msi(int irq, void *data)
struct e1000_hw *hw = &adapter->hw;
u32 icr = er32(ICR);
+ printk("e1000_intr_msi is called\n");
/* in NAPI mode read ICR disables interrupts using IAM */
if (icr & (E1000_ICR_RXSEQ | E1000_ICR_LSC)) {
@@ -3717,6 +3730,7 @@ static irqreturn_t e1000_intr(int irq, void *data)
if (unlikely((!icr) || test_bit(__E1000_RESETTING, &adapter->flags)))
return IRQ_NONE; /* Not our interrupt */
+ printk("e1000 gets an interrupt\n");
/* IMS will not auto-mask if INT_ASSERTED is not set, and if it is
* not set, then the adapter didn't send an interrupt */
if (unlikely(hw->mac_type >= e1000_82571 &&
@@ -3799,6 +3813,8 @@ static int e1000_clean(struct napi_struct *napi, int budget)
e1000_irq_enable(adapter);
}
+ printk("e1000_clean: budget: %d, work_done: %d, tx_cleaned: %d\n",
+ budget, work_done, tx_cleaned);
return work_done;
}
@@ -3823,6 +3839,7 @@ static bool e1000_clean_tx_irq(struct e1000_adapter *adapter,
eop_desc = E1000_TX_DESC(*tx_ring, eop);
while (eop_desc->upper.data & cpu_to_le32(E1000_TXD_STAT_DD)) {
+ printk("e1000_clean_tx_irq: check desc %d\n", eop);
for (cleaned = false; !cleaned; ) {
tx_desc = E1000_TX_DESC(*tx_ring, i);
buffer_info = &tx_ring->buffer_info[i];
@@ -4090,6 +4107,8 @@ next_desc:
/* return some buffers to hardware, one at a time is too slow */
if (unlikely(cleaned_count >= E1000_RX_BUFFER_WRITE)) {
+ printk("cleaned_count in the loop: %d\n",
+ cleaned_count);
adapter->alloc_rx_buf(adapter, rx_ring, cleaned_count);
cleaned_count = 0;
}
@@ -4129,6 +4148,7 @@ static void e1000_alloc_rx_buffers(struct e1000_adapter *adapter,
unsigned int i;
unsigned int bufsz = adapter->rx_buffer_len + NET_IP_ALIGN;
+ printk("e1000_alloc_rx_buffers is called\n");
i = rx_ring->next_to_use;
buffer_info = &rx_ring->buffer_info[i];
@@ -4143,6 +4163,7 @@ static void e1000_alloc_rx_buffers(struct e1000_adapter *adapter,
if (unlikely(!skb)) {
/* Better luck next round */
adapter->alloc_rx_buff_failed++;
+ printk("check point 1\n");
break;
}
@@ -4156,6 +4177,7 @@ static void e1000_alloc_rx_buffers(struct e1000_adapter *adapter,
/* Failed allocation, critical failure */
if (!skb) {
dev_kfree_skb(oldskb);
+ printk("check point 2\n");
break;
}
@@ -4163,6 +4185,7 @@ static void e1000_alloc_rx_buffers(struct e1000_adapter *adapter,
/* give up */
dev_kfree_skb(skb);
dev_kfree_skb(oldskb);
+ printk("check point 3\n");
break; /* while !buffer_info->skb */
}
@@ -4198,6 +4221,7 @@ map_skb:
adapter->rx_buffer_len,
PCI_DMA_FROMDEVICE);
+ printk("check point 4\n");
break; /* while !buffer_info->skb */
}
rx_desc = E1000_RX_DESC(*rx_ring, i);
@@ -4208,7 +4232,10 @@ map_skb:
buffer_info = &rx_ring->buffer_info[i];
}
+ printk("cleaned_count: %d\n", cleaned_count);
if (likely(rx_ring->next_to_use != i)) {
+ printk("old rx_ring next_to_use: %d, new one: %d\n",
+ rx_ring->next_to_use, i);
rx_ring->next_to_use = i;
if (unlikely(i-- == 0))
i = (rx_ring->count - 1);
@@ -4452,6 +4479,8 @@ static void e1000_vlan_rx_register(struct net_device *netdev,
struct e1000_hw *hw = &adapter->hw;
u32 ctrl, rctl;
+ printk ("********e1000_vlan_rx_register. grp: %p\n", grp);
+
if (!test_bit(__E1000_DOWN, &adapter->flags))
e1000_irq_disable(adapter);
adapter->vlgrp = grp;
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-17 01:55:18 +0000