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path: root/drivers/net/igb/igb_main.c
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Diffstat (limited to 'drivers/net/igb/igb_main.c')
-rw-r--r--drivers/net/igb/igb_main.c613
1 files changed, 479 insertions, 134 deletions
diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c
index c9baa2aa98cd..3881918f5382 100644
--- a/drivers/net/igb/igb_main.c
+++ b/drivers/net/igb/igb_main.c
@@ -62,6 +62,10 @@ static const struct e1000_info *igb_info_tbl[] = {
};
static DEFINE_PCI_DEVICE_TABLE(igb_pci_tbl) = {
+ { PCI_VDEVICE(INTEL, E1000_DEV_ID_I350_COPPER), board_82575 },
+ { PCI_VDEVICE(INTEL, E1000_DEV_ID_I350_FIBER), board_82575 },
+ { PCI_VDEVICE(INTEL, E1000_DEV_ID_I350_SERDES), board_82575 },
+ { PCI_VDEVICE(INTEL, E1000_DEV_ID_I350_SGMII), board_82575 },
{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82580_COPPER), board_82575 },
{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82580_FIBER), board_82575 },
{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82580_SERDES), board_82575 },
@@ -197,6 +201,336 @@ MODULE_DESCRIPTION("Intel(R) Gigabit Ethernet Network Driver");
MODULE_LICENSE("GPL");
MODULE_VERSION(DRV_VERSION);
+struct igb_reg_info {
+ u32 ofs;
+ char *name;
+};
+
+static const struct igb_reg_info igb_reg_info_tbl[] = {
+
+ /* General Registers */
+ {E1000_CTRL, "CTRL"},
+ {E1000_STATUS, "STATUS"},
+ {E1000_CTRL_EXT, "CTRL_EXT"},
+
+ /* Interrupt Registers */
+ {E1000_ICR, "ICR"},
+
+ /* RX Registers */
+ {E1000_RCTL, "RCTL"},
+ {E1000_RDLEN(0), "RDLEN"},
+ {E1000_RDH(0), "RDH"},
+ {E1000_RDT(0), "RDT"},
+ {E1000_RXDCTL(0), "RXDCTL"},
+ {E1000_RDBAL(0), "RDBAL"},
+ {E1000_RDBAH(0), "RDBAH"},
+
+ /* TX Registers */
+ {E1000_TCTL, "TCTL"},
+ {E1000_TDBAL(0), "TDBAL"},
+ {E1000_TDBAH(0), "TDBAH"},
+ {E1000_TDLEN(0), "TDLEN"},
+ {E1000_TDH(0), "TDH"},
+ {E1000_TDT(0), "TDT"},
+ {E1000_TXDCTL(0), "TXDCTL"},
+ {E1000_TDFH, "TDFH"},
+ {E1000_TDFT, "TDFT"},
+ {E1000_TDFHS, "TDFHS"},
+ {E1000_TDFPC, "TDFPC"},
+
+ /* List Terminator */
+ {}
+};
+
+/*
+ * igb_regdump - register printout routine
+ */
+static void igb_regdump(struct e1000_hw *hw, struct igb_reg_info *reginfo)
+{
+ int n = 0;
+ char rname[16];
+ u32 regs[8];
+
+ switch (reginfo->ofs) {
+ case E1000_RDLEN(0):
+ for (n = 0; n < 4; n++)
+ regs[n] = rd32(E1000_RDLEN(n));
+ break;
+ case E1000_RDH(0):
+ for (n = 0; n < 4; n++)
+ regs[n] = rd32(E1000_RDH(n));
+ break;
+ case E1000_RDT(0):
+ for (n = 0; n < 4; n++)
+ regs[n] = rd32(E1000_RDT(n));
+ break;
+ case E1000_RXDCTL(0):
+ for (n = 0; n < 4; n++)
+ regs[n] = rd32(E1000_RXDCTL(n));
+ break;
+ case E1000_RDBAL(0):
+ for (n = 0; n < 4; n++)
+ regs[n] = rd32(E1000_RDBAL(n));
+ break;
+ case E1000_RDBAH(0):
+ for (n = 0; n < 4; n++)
+ regs[n] = rd32(E1000_RDBAH(n));
+ break;
+ case E1000_TDBAL(0):
+ for (n = 0; n < 4; n++)
+ regs[n] = rd32(E1000_RDBAL(n));
+ break;
+ case E1000_TDBAH(0):
+ for (n = 0; n < 4; n++)
+ regs[n] = rd32(E1000_TDBAH(n));
+ break;
+ case E1000_TDLEN(0):
+ for (n = 0; n < 4; n++)
+ regs[n] = rd32(E1000_TDLEN(n));
+ break;
+ case E1000_TDH(0):
+ for (n = 0; n < 4; n++)
+ regs[n] = rd32(E1000_TDH(n));
+ break;
+ case E1000_TDT(0):
+ for (n = 0; n < 4; n++)
+ regs[n] = rd32(E1000_TDT(n));
+ break;
+ case E1000_TXDCTL(0):
+ for (n = 0; n < 4; n++)
+ regs[n] = rd32(E1000_TXDCTL(n));
+ break;
+ default:
+ printk(KERN_INFO "%-15s %08x\n",
+ reginfo->name, rd32(reginfo->ofs));
+ return;
+ }
+
+ snprintf(rname, 16, "%s%s", reginfo->name, "[0-3]");
+ printk(KERN_INFO "%-15s ", rname);
+ for (n = 0; n < 4; n++)
+ printk(KERN_CONT "%08x ", regs[n]);
+ printk(KERN_CONT "\n");
+}
+
+/*
+ * igb_dump - Print registers, tx-rings and rx-rings
+ */
+static void igb_dump(struct igb_adapter *adapter)
+{
+ struct net_device *netdev = adapter->netdev;
+ struct e1000_hw *hw = &adapter->hw;
+ struct igb_reg_info *reginfo;
+ int n = 0;
+ struct igb_ring *tx_ring;
+ union e1000_adv_tx_desc *tx_desc;
+ struct my_u0 { u64 a; u64 b; } *u0;
+ struct igb_buffer *buffer_info;
+ struct igb_ring *rx_ring;
+ union e1000_adv_rx_desc *rx_desc;
+ u32 staterr;
+ int i = 0;
+
+ if (!netif_msg_hw(adapter))
+ return;
+
+ /* Print netdevice Info */
+ if (netdev) {
+ dev_info(&adapter->pdev->dev, "Net device Info\n");
+ printk(KERN_INFO "Device Name state "
+ "trans_start last_rx\n");
+ printk(KERN_INFO "%-15s %016lX %016lX %016lX\n",
+ netdev->name,
+ netdev->state,
+ netdev->trans_start,
+ netdev->last_rx);
+ }
+
+ /* Print Registers */
+ dev_info(&adapter->pdev->dev, "Register Dump\n");
+ printk(KERN_INFO " Register Name Value\n");
+ for (reginfo = (struct igb_reg_info *)igb_reg_info_tbl;
+ reginfo->name; reginfo++) {
+ igb_regdump(hw, reginfo);
+ }
+
+ /* Print TX Ring Summary */
+ if (!netdev || !netif_running(netdev))
+ goto exit;
+
+ dev_info(&adapter->pdev->dev, "TX Rings Summary\n");
+ printk(KERN_INFO "Queue [NTU] [NTC] [bi(ntc)->dma ]"
+ " leng ntw timestamp\n");
+ for (n = 0; n < adapter->num_tx_queues; n++) {
+ tx_ring = adapter->tx_ring[n];
+ buffer_info = &tx_ring->buffer_info[tx_ring->next_to_clean];
+ printk(KERN_INFO " %5d %5X %5X %016llX %04X %3X %016llX\n",
+ n, tx_ring->next_to_use, tx_ring->next_to_clean,
+ (u64)buffer_info->dma,
+ buffer_info->length,
+ buffer_info->next_to_watch,
+ (u64)buffer_info->time_stamp);
+ }
+
+ /* Print TX Rings */
+ if (!netif_msg_tx_done(adapter))
+ goto rx_ring_summary;
+
+ dev_info(&adapter->pdev->dev, "TX Rings Dump\n");
+
+ /* Transmit Descriptor Formats
+ *
+ * Advanced Transmit Descriptor
+ * +--------------------------------------------------------------+
+ * 0 | Buffer Address [63:0] |
+ * +--------------------------------------------------------------+
+ * 8 | PAYLEN | PORTS |CC|IDX | STA | DCMD |DTYP|MAC|RSV| DTALEN |
+ * +--------------------------------------------------------------+
+ * 63 46 45 40 39 38 36 35 32 31 24 15 0
+ */
+
+ for (n = 0; n < adapter->num_tx_queues; n++) {
+ tx_ring = adapter->tx_ring[n];
+ printk(KERN_INFO "------------------------------------\n");
+ printk(KERN_INFO "TX QUEUE INDEX = %d\n", tx_ring->queue_index);
+ printk(KERN_INFO "------------------------------------\n");
+ printk(KERN_INFO "T [desc] [address 63:0 ] "
+ "[PlPOCIStDDM Ln] [bi->dma ] "
+ "leng ntw timestamp bi->skb\n");
+
+ for (i = 0; tx_ring->desc && (i < tx_ring->count); i++) {
+ tx_desc = E1000_TX_DESC_ADV(*tx_ring, i);
+ buffer_info = &tx_ring->buffer_info[i];
+ u0 = (struct my_u0 *)tx_desc;
+ printk(KERN_INFO "T [0x%03X] %016llX %016llX %016llX"
+ " %04X %3X %016llX %p", i,
+ le64_to_cpu(u0->a),
+ le64_to_cpu(u0->b),
+ (u64)buffer_info->dma,
+ buffer_info->length,
+ buffer_info->next_to_watch,
+ (u64)buffer_info->time_stamp,
+ buffer_info->skb);
+ if (i == tx_ring->next_to_use &&
+ i == tx_ring->next_to_clean)
+ printk(KERN_CONT " NTC/U\n");
+ else if (i == tx_ring->next_to_use)
+ printk(KERN_CONT " NTU\n");
+ else if (i == tx_ring->next_to_clean)
+ printk(KERN_CONT " NTC\n");
+ else
+ printk(KERN_CONT "\n");
+
+ if (netif_msg_pktdata(adapter) && buffer_info->dma != 0)
+ print_hex_dump(KERN_INFO, "",
+ DUMP_PREFIX_ADDRESS,
+ 16, 1, phys_to_virt(buffer_info->dma),
+ buffer_info->length, true);
+ }
+ }
+
+ /* Print RX Rings Summary */
+rx_ring_summary:
+ dev_info(&adapter->pdev->dev, "RX Rings Summary\n");
+ printk(KERN_INFO "Queue [NTU] [NTC]\n");
+ for (n = 0; n < adapter->num_rx_queues; n++) {
+ rx_ring = adapter->rx_ring[n];
+ printk(KERN_INFO " %5d %5X %5X\n", n,
+ rx_ring->next_to_use, rx_ring->next_to_clean);
+ }
+
+ /* Print RX Rings */
+ if (!netif_msg_rx_status(adapter))
+ goto exit;
+
+ dev_info(&adapter->pdev->dev, "RX Rings Dump\n");
+
+ /* Advanced Receive Descriptor (Read) Format
+ * 63 1 0
+ * +-----------------------------------------------------+
+ * 0 | Packet Buffer Address [63:1] |A0/NSE|
+ * +----------------------------------------------+------+
+ * 8 | Header Buffer Address [63:1] | DD |
+ * +-----------------------------------------------------+
+ *
+ *
+ * Advanced Receive Descriptor (Write-Back) Format
+ *
+ * 63 48 47 32 31 30 21 20 17 16 4 3 0
+ * +------------------------------------------------------+
+ * 0 | Packet IP |SPH| HDR_LEN | RSV|Packet| RSS |
+ * | Checksum Ident | | | | Type | Type |
+ * +------------------------------------------------------+
+ * 8 | VLAN Tag | Length | Extended Error | Extended Status |
+ * +------------------------------------------------------+
+ * 63 48 47 32 31 20 19 0
+ */
+
+ for (n = 0; n < adapter->num_rx_queues; n++) {
+ rx_ring = adapter->rx_ring[n];
+ printk(KERN_INFO "------------------------------------\n");
+ printk(KERN_INFO "RX QUEUE INDEX = %d\n", rx_ring->queue_index);
+ printk(KERN_INFO "------------------------------------\n");
+ printk(KERN_INFO "R [desc] [ PktBuf A0] "
+ "[ HeadBuf DD] [bi->dma ] [bi->skb] "
+ "<-- Adv Rx Read format\n");
+ printk(KERN_INFO "RWB[desc] [PcsmIpSHl PtRs] "
+ "[vl er S cks ln] ---------------- [bi->skb] "
+ "<-- Adv Rx Write-Back format\n");
+
+ for (i = 0; i < rx_ring->count; i++) {
+ buffer_info = &rx_ring->buffer_info[i];
+ rx_desc = E1000_RX_DESC_ADV(*rx_ring, i);
+ u0 = (struct my_u0 *)rx_desc;
+ staterr = le32_to_cpu(rx_desc->wb.upper.status_error);
+ if (staterr & E1000_RXD_STAT_DD) {
+ /* Descriptor Done */
+ printk(KERN_INFO "RWB[0x%03X] %016llX "
+ "%016llX ---------------- %p", i,
+ le64_to_cpu(u0->a),
+ le64_to_cpu(u0->b),
+ buffer_info->skb);
+ } else {
+ printk(KERN_INFO "R [0x%03X] %016llX "
+ "%016llX %016llX %p", i,
+ le64_to_cpu(u0->a),
+ le64_to_cpu(u0->b),
+ (u64)buffer_info->dma,
+ buffer_info->skb);
+
+ if (netif_msg_pktdata(adapter)) {
+ print_hex_dump(KERN_INFO, "",
+ DUMP_PREFIX_ADDRESS,
+ 16, 1,
+ phys_to_virt(buffer_info->dma),
+ rx_ring->rx_buffer_len, true);
+ if (rx_ring->rx_buffer_len
+ < IGB_RXBUFFER_1024)
+ print_hex_dump(KERN_INFO, "",
+ DUMP_PREFIX_ADDRESS,
+ 16, 1,
+ phys_to_virt(
+ buffer_info->page_dma +
+ buffer_info->page_offset),
+ PAGE_SIZE/2, true);
+ }
+ }
+
+ if (i == rx_ring->next_to_use)
+ printk(KERN_CONT " NTU\n");
+ else if (i == rx_ring->next_to_clean)
+ printk(KERN_CONT " NTC\n");
+ else
+ printk(KERN_CONT "\n");
+
+ }
+ }
+
+exit:
+ return;
+}
+
+
/**
* igb_read_clock - read raw cycle counter (to be used by time counter)
*/
@@ -223,41 +557,15 @@ static cycle_t igb_read_clock(const struct cyclecounter *tc)
return stamp;
}
-#ifdef DEBUG
/**
- * igb_get_hw_dev_name - return device name string
+ * igb_get_hw_dev - return device
* used by hardware layer to print debugging information
**/
-char *igb_get_hw_dev_name(struct e1000_hw *hw)
+struct net_device *igb_get_hw_dev(struct e1000_hw *hw)
{
struct igb_adapter *adapter = hw->back;
- return adapter->netdev->name;
-}
-
-/**
- * igb_get_time_str - format current NIC and system time as string
- */
-static char *igb_get_time_str(struct igb_adapter *adapter,
- char buffer[160])
-{
- cycle_t hw = adapter->cycles.read(&adapter->cycles);
- struct timespec nic = ns_to_timespec(timecounter_read(&adapter->clock));
- struct timespec sys;
- struct timespec delta;
- getnstimeofday(&sys);
-
- delta = timespec_sub(nic, sys);
-
- sprintf(buffer,
- "HW %llu, NIC %ld.%09lus, SYS %ld.%09lus, NIC-SYS %lds + %09luns",
- hw,
- (long)nic.tv_sec, nic.tv_nsec,
- (long)sys.tv_sec, sys.tv_nsec,
- (long)delta.tv_sec, delta.tv_nsec);
-
- return buffer;
+ return adapter->netdev;
}
-#endif
/**
* igb_init_module - Driver Registration Routine
@@ -328,6 +636,7 @@ static void igb_cache_ring_register(struct igb_adapter *adapter)
}
case e1000_82575:
case e1000_82580:
+ case e1000_i350:
default:
for (; i < adapter->num_rx_queues; i++)
adapter->rx_ring[i]->reg_idx = rbase_offset + i;
@@ -371,7 +680,7 @@ static int igb_alloc_queues(struct igb_adapter *adapter)
goto err;
ring->count = adapter->tx_ring_count;
ring->queue_index = i;
- ring->pdev = adapter->pdev;
+ ring->dev = &adapter->pdev->dev;
ring->netdev = adapter->netdev;
/* For 82575, context index must be unique per ring. */
if (adapter->hw.mac.type == e1000_82575)
@@ -385,7 +694,7 @@ static int igb_alloc_queues(struct igb_adapter *adapter)
goto err;
ring->count = adapter->rx_ring_count;
ring->queue_index = i;
- ring->pdev = adapter->pdev;
+ ring->dev = &adapter->pdev->dev;
ring->netdev = adapter->netdev;
ring->rx_buffer_len = MAXIMUM_ETHERNET_VLAN_SIZE;
ring->flags = IGB_RING_FLAG_RX_CSUM; /* enable rx checksum */
@@ -471,6 +780,7 @@ static void igb_assign_vector(struct igb_q_vector *q_vector, int msix_vector)
q_vector->eims_value = 1 << msix_vector;
break;
case e1000_82580:
+ case e1000_i350:
/* 82580 uses the same table-based approach as 82576 but has fewer
entries as a result we carry over for queues greater than 4. */
if (rx_queue > IGB_N0_QUEUE) {
@@ -551,6 +861,7 @@ static void igb_configure_msix(struct igb_adapter *adapter)
case e1000_82576:
case e1000_82580:
+ case e1000_i350:
/* Turn on MSI-X capability first, or our settings
* won't stick. And it will take days to debug. */
wr32(E1000_GPIE, E1000_GPIE_MSIX_MODE |
@@ -743,7 +1054,6 @@ msi_only:
out:
/* Notify the stack of the (possibly) reduced Tx Queue count. */
adapter->netdev->real_num_tx_queues = adapter->num_tx_queues;
- return;
}
/**
@@ -1253,6 +1563,7 @@ void igb_reset(struct igb_adapter *adapter)
* To take effect CTRL.RST is required.
*/
switch (mac->type) {
+ case e1000_i350:
case e1000_82580:
pba = rd32(E1000_RXPBS);
pba = igb_rxpbs_adjust_82580(pba);
@@ -1416,15 +1727,15 @@ static int __devinit igb_probe(struct pci_dev *pdev,
return err;
pci_using_dac = 0;
- err = pci_set_dma_mask(pdev, DMA_BIT_MASK(64));
+ err = dma_set_mask(&pdev->dev, DMA_BIT_MASK(64));
if (!err) {
- err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64));
+ err = dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(64));
if (!err)
pci_using_dac = 1;
} else {
- err = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
+ err = dma_set_mask(&pdev->dev, DMA_BIT_MASK(32));
if (err) {
- err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32));
+ err = dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(32));
if (err) {
dev_err(&pdev->dev, "No usable DMA "
"configuration, aborting\n");
@@ -1656,6 +1967,7 @@ static int __devinit igb_probe(struct pci_dev *pdev,
dev_info(&pdev->dev, "%s: (PCIe:%s:%s) %pM\n",
netdev->name,
((hw->bus.speed == e1000_bus_speed_2500) ? "2.5Gb/s" :
+ (hw->bus.speed == e1000_bus_speed_5000) ? "5.0Gb/s" :
"unknown"),
((hw->bus.width == e1000_bus_width_pcie_x4) ? "Width x4" :
(hw->bus.width == e1000_bus_width_pcie_x2) ? "Width x2" :
@@ -1826,6 +2138,7 @@ static void igb_init_hw_timer(struct igb_adapter *adapter)
struct e1000_hw *hw = &adapter->hw;
switch (hw->mac.type) {
+ case e1000_i350:
case e1000_82580:
memset(&adapter->cycles, 0, sizeof(adapter->cycles));
adapter->cycles.read = igb_read_clock;
@@ -2096,7 +2409,7 @@ static int igb_close(struct net_device *netdev)
**/
int igb_setup_tx_resources(struct igb_ring *tx_ring)
{
- struct pci_dev *pdev = tx_ring->pdev;
+ struct device *dev = tx_ring->dev;
int size;
size = sizeof(struct igb_buffer) * tx_ring->count;
@@ -2109,9 +2422,10 @@ int igb_setup_tx_resources(struct igb_ring *tx_ring)
tx_ring->size = tx_ring->count * sizeof(union e1000_adv_tx_desc);
tx_ring->size = ALIGN(tx_ring->size, 4096);
- tx_ring->desc = pci_alloc_consistent(pdev,
- tx_ring->size,
- &tx_ring->dma);
+ tx_ring->desc = dma_alloc_coherent(dev,
+ tx_ring->size,
+ &tx_ring->dma,
+ GFP_KERNEL);
if (!tx_ring->desc)
goto err;
@@ -2122,7 +2436,7 @@ int igb_setup_tx_resources(struct igb_ring *tx_ring)
err:
vfree(tx_ring->buffer_info);
- dev_err(&pdev->dev,
+ dev_err(dev,
"Unable to allocate memory for the transmit descriptor ring\n");
return -ENOMEM;
}
@@ -2246,7 +2560,7 @@ static void igb_configure_tx(struct igb_adapter *adapter)
**/
int igb_setup_rx_resources(struct igb_ring *rx_ring)
{
- struct pci_dev *pdev = rx_ring->pdev;
+ struct device *dev = rx_ring->dev;
int size, desc_len;
size = sizeof(struct igb_buffer) * rx_ring->count;
@@ -2261,8 +2575,10 @@ int igb_setup_rx_resources(struct igb_ring *rx_ring)
rx_ring->size = rx_ring->count * desc_len;
rx_ring->size = ALIGN(rx_ring->size, 4096);
- rx_ring->desc = pci_alloc_consistent(pdev, rx_ring->size,
- &rx_ring->dma);
+ rx_ring->desc = dma_alloc_coherent(dev,
+ rx_ring->size,
+ &rx_ring->dma,
+ GFP_KERNEL);
if (!rx_ring->desc)
goto err;
@@ -2275,8 +2591,8 @@ int igb_setup_rx_resources(struct igb_ring *rx_ring)
err:
vfree(rx_ring->buffer_info);
rx_ring->buffer_info = NULL;
- dev_err(&pdev->dev, "Unable to allocate memory for "
- "the receive descriptor ring\n");
+ dev_err(dev, "Unable to allocate memory for the receive descriptor"
+ " ring\n");
return -ENOMEM;
}
@@ -2339,6 +2655,7 @@ static void igb_setup_mrqc(struct igb_adapter *adapter)
if (adapter->vfs_allocated_count) {
/* 82575 and 82576 supports 2 RSS queues for VMDq */
switch (hw->mac.type) {
+ case e1000_i350:
case e1000_82580:
num_rx_queues = 1;
shift = 0;
@@ -2590,6 +2907,8 @@ void igb_configure_rx_ring(struct igb_adapter *adapter,
E1000_SRRCTL_BSIZEPKT_SHIFT;
srrctl |= E1000_SRRCTL_DESCTYPE_ADV_ONEBUF;
}
+ if (hw->mac.type == e1000_82580)
+ srrctl |= E1000_SRRCTL_TIMESTAMP;
/* Only set Drop Enable if we are supporting multiple queues */
if (adapter->vfs_allocated_count || adapter->num_rx_queues > 1)
srrctl |= E1000_SRRCTL_DROP_EN;
@@ -2649,8 +2968,8 @@ void igb_free_tx_resources(struct igb_ring *tx_ring)
if (!tx_ring->desc)
return;
- pci_free_consistent(tx_ring->pdev, tx_ring->size,
- tx_ring->desc, tx_ring->dma);
+ dma_free_coherent(tx_ring->dev, tx_ring->size,
+ tx_ring->desc, tx_ring->dma);
tx_ring->desc = NULL;
}
@@ -2674,15 +2993,15 @@ void igb_unmap_and_free_tx_resource(struct igb_ring *tx_ring,
{
if (buffer_info->dma) {
if (buffer_info->mapped_as_page)
- pci_unmap_page(tx_ring->pdev,
+ dma_unmap_page(tx_ring->dev,
buffer_info->dma,
buffer_info->length,
- PCI_DMA_TODEVICE);
+ DMA_TO_DEVICE);
else
- pci_unmap_single(tx_ring->pdev,
+ dma_unmap_single(tx_ring->dev,
buffer_info->dma,
buffer_info->length,
- PCI_DMA_TODEVICE);
+ DMA_TO_DEVICE);
buffer_info->dma = 0;
}
if (buffer_info->skb) {
@@ -2753,8 +3072,8 @@ void igb_free_rx_resources(struct igb_ring *rx_ring)
if (!rx_ring->desc)
return;
- pci_free_consistent(rx_ring->pdev, rx_ring->size,
- rx_ring->desc, rx_ring->dma);
+ dma_free_coherent(rx_ring->dev, rx_ring->size,
+ rx_ring->desc, rx_ring->dma);
rx_ring->desc = NULL;
}
@@ -2790,10 +3109,10 @@ static void igb_clean_rx_ring(struct igb_ring *rx_ring)
for (i = 0; i < rx_ring->count; i++) {
buffer_info = &rx_ring->buffer_info[i];
if (buffer_info->dma) {
- pci_unmap_single(rx_ring->pdev,
+ dma_unmap_single(rx_ring->dev,
buffer_info->dma,
rx_ring->rx_buffer_len,
- PCI_DMA_FROMDEVICE);
+ DMA_FROM_DEVICE);
buffer_info->dma = 0;
}
@@ -2802,10 +3121,10 @@ static void igb_clean_rx_ring(struct igb_ring *rx_ring)
buffer_info->skb = NULL;
}
if (buffer_info->page_dma) {
- pci_unmap_page(rx_ring->pdev,
+ dma_unmap_page(rx_ring->dev,
buffer_info->page_dma,
PAGE_SIZE / 2,
- PCI_DMA_FROMDEVICE);
+ DMA_FROM_DEVICE);
buffer_info->page_dma = 0;
}
if (buffer_info->page) {
@@ -2876,7 +3195,7 @@ static int igb_write_mc_addr_list(struct net_device *netdev)
{
struct igb_adapter *adapter = netdev_priv(netdev);
struct e1000_hw *hw = &adapter->hw;
- struct dev_mc_list *mc_ptr;
+ struct netdev_hw_addr *ha;
u8 *mta_list;
int i;
@@ -2893,8 +3212,8 @@ static int igb_write_mc_addr_list(struct net_device *netdev)
/* The shared function expects a packed array of only addresses. */
i = 0;
- netdev_for_each_mc_addr(mc_ptr, netdev)
- memcpy(mta_list + (i++ * ETH_ALEN), mc_ptr->dmi_addr, ETH_ALEN);
+ netdev_for_each_mc_addr(ha, netdev)
+ memcpy(mta_list + (i++ * ETH_ALEN), ha->addr, ETH_ALEN);
igb_update_mc_addr_list(hw, mta_list, i);
kfree(mta_list);
@@ -3397,8 +3716,6 @@ set_itr_now:
q_vector->itr_val = new_itr;
q_vector->set_itr = 1;
}
-
- return;
}
#define IGB_TX_FLAGS_CSUM 0x00000001
@@ -3493,7 +3810,7 @@ static inline bool igb_tx_csum_adv(struct igb_ring *tx_ring,
struct sk_buff *skb, u32 tx_flags)
{
struct e1000_adv_tx_context_desc *context_desc;
- struct pci_dev *pdev = tx_ring->pdev;
+ struct device *dev = tx_ring->dev;
struct igb_buffer *buffer_info;
u32 info = 0, tu_cmd = 0;
unsigned int i;
@@ -3544,7 +3861,7 @@ static inline bool igb_tx_csum_adv(struct igb_ring *tx_ring,
break;
default:
if (unlikely(net_ratelimit()))
- dev_warn(&pdev->dev,
+ dev_warn(dev,
"partial checksum but proto=%x!\n",
skb->protocol);
break;
@@ -3578,59 +3895,61 @@ static inline int igb_tx_map_adv(struct igb_ring *tx_ring, struct sk_buff *skb,
unsigned int first)
{
struct igb_buffer *buffer_info;
- struct pci_dev *pdev = tx_ring->pdev;
- unsigned int len = skb_headlen(skb);
+ struct device *dev = tx_ring->dev;
+ unsigned int hlen = skb_headlen(skb);
unsigned int count = 0, i;
unsigned int f;
+ u16 gso_segs = skb_shinfo(skb)->gso_segs ?: 1;
i = tx_ring->next_to_use;
buffer_info = &tx_ring->buffer_info[i];
- BUG_ON(len >= IGB_MAX_DATA_PER_TXD);
- buffer_info->length = len;
+ BUG_ON(hlen >= IGB_MAX_DATA_PER_TXD);
+ buffer_info->length = hlen;
/* set time_stamp *before* dma to help avoid a possible race */
buffer_info->time_stamp = jiffies;
buffer_info->next_to_watch = i;
- buffer_info->dma = pci_map_single(pdev, skb->data, len,
- PCI_DMA_TODEVICE);
- if (pci_dma_mapping_error(pdev, buffer_info->dma))
+ buffer_info->dma = dma_map_single(dev, skb->data, hlen,
+ DMA_TO_DEVICE);
+ if (dma_mapping_error(dev, buffer_info->dma))
goto dma_error;
for (f = 0; f < skb_shinfo(skb)->nr_frags; f++) {
- struct skb_frag_struct *frag;
+ struct skb_frag_struct *frag = &skb_shinfo(skb)->frags[f];
+ unsigned int len = frag->size;
count++;
i++;
if (i == tx_ring->count)
i = 0;
- frag = &skb_shinfo(skb)->frags[f];
- len = frag->size;
-
buffer_info = &tx_ring->buffer_info[i];
BUG_ON(len >= IGB_MAX_DATA_PER_TXD);
buffer_info->length = len;
buffer_info->time_stamp = jiffies;
buffer_info->next_to_watch = i;
buffer_info->mapped_as_page = true;
- buffer_info->dma = pci_map_page(pdev,
+ buffer_info->dma = dma_map_page(dev,
frag->page,
frag->page_offset,
len,
- PCI_DMA_TODEVICE);
- if (pci_dma_mapping_error(pdev, buffer_info->dma))
+ DMA_TO_DEVICE);
+ if (dma_mapping_error(dev, buffer_info->dma))
goto dma_error;
}
tx_ring->buffer_info[i].skb = skb;
- tx_ring->buffer_info[i].gso_segs = skb_shinfo(skb)->gso_segs ?: 1;
+ tx_ring->buffer_info[i].shtx = skb_shinfo(skb)->tx_flags;
+ /* multiply data chunks by size of headers */
+ tx_ring->buffer_info[i].bytecount = ((gso_segs - 1) * hlen) + skb->len;
+ tx_ring->buffer_info[i].gso_segs = gso_segs;
tx_ring->buffer_info[first].next_to_watch = i;
return ++count;
dma_error:
- dev_err(&pdev->dev, "TX DMA map failed\n");
+ dev_err(dev, "TX DMA map failed\n");
/* clear timestamp and dma mappings for failed buffer_info mapping */
buffer_info->dma = 0;
@@ -3868,6 +4187,8 @@ static void igb_reset_task(struct work_struct *work)
struct igb_adapter *adapter;
adapter = container_of(work, struct igb_adapter, reset_task);
+ igb_dump(adapter);
+ netdev_err(adapter->netdev, "Reset adapter\n");
igb_reinit_locked(adapter);
}
@@ -3920,6 +4241,9 @@ static int igb_change_mtu(struct net_device *netdev, int new_mtu)
* i.e. RXBUFFER_2048 --> size-4096 slab
*/
+ if (adapter->hw.mac.type == e1000_82580)
+ max_frame += IGB_TS_HDR_LEN;
+
if (max_frame <= IGB_RXBUFFER_1024)
rx_buffer_len = IGB_RXBUFFER_1024;
else if (max_frame <= MAXIMUM_ETHERNET_VLAN_SIZE)
@@ -3927,6 +4251,14 @@ static int igb_change_mtu(struct net_device *netdev, int new_mtu)
else
rx_buffer_len = IGB_RXBUFFER_128;
+ if ((max_frame == ETH_FRAME_LEN + ETH_FCS_LEN + IGB_TS_HDR_LEN) ||
+ (max_frame == MAXIMUM_ETHERNET_VLAN_SIZE + IGB_TS_HDR_LEN))
+ rx_buffer_len = MAXIMUM_ETHERNET_VLAN_SIZE + IGB_TS_HDR_LEN;
+
+ if ((adapter->hw.mac.type == e1000_82580) &&
+ (rx_buffer_len == IGB_RXBUFFER_128))
+ rx_buffer_len += IGB_RXBUFFER_64;
+
if (netif_running(netdev))
igb_down(adapter);
@@ -4955,22 +5287,21 @@ static void igb_systim_to_hwtstamp(struct igb_adapter *adapter,
/**
* igb_tx_hwtstamp - utility function which checks for TX time stamp
* @q_vector: pointer to q_vector containing needed info
- * @skb: packet that was just sent
+ * @buffer: pointer to igb_buffer structure
*
* If we were asked to do hardware stamping and such a time stamp is
* available, then it must have been for this skb here because we only
* allow only one such packet into the queue.
*/
-static void igb_tx_hwtstamp(struct igb_q_vector *q_vector, struct sk_buff *skb)
+static void igb_tx_hwtstamp(struct igb_q_vector *q_vector, struct igb_buffer *buffer_info)
{
struct igb_adapter *adapter = q_vector->adapter;
- union skb_shared_tx *shtx = skb_tx(skb);
struct e1000_hw *hw = &adapter->hw;
struct skb_shared_hwtstamps shhwtstamps;
u64 regval;
/* if skb does not support hw timestamp or TX stamp not valid exit */
- if (likely(!shtx->hardware) ||
+ if (likely(!buffer_info->shtx.hardware) ||
!(rd32(E1000_TSYNCTXCTL) & E1000_TSYNCTXCTL_VALID))
return;
@@ -4978,7 +5309,7 @@ static void igb_tx_hwtstamp(struct igb_q_vector *q_vector, struct sk_buff *skb)
regval |= (u64)rd32(E1000_TXSTMPH) << 32;
igb_systim_to_hwtstamp(adapter, &shhwtstamps, regval);
- skb_tstamp_tx(skb, &shhwtstamps);
+ skb_tstamp_tx(buffer_info->skb, &shhwtstamps);
}
/**
@@ -4993,7 +5324,6 @@ static bool igb_clean_tx_irq(struct igb_q_vector *q_vector)
struct net_device *netdev = tx_ring->netdev;
struct e1000_hw *hw = &adapter->hw;
struct igb_buffer *buffer_info;
- struct sk_buff *skb;
union e1000_adv_tx_desc *tx_desc, *eop_desc;
unsigned int total_bytes = 0, total_packets = 0;
unsigned int i, eop, count = 0;
@@ -5009,19 +5339,12 @@ static bool igb_clean_tx_irq(struct igb_q_vector *q_vector)
tx_desc = E1000_TX_DESC_ADV(*tx_ring, i);
buffer_info = &tx_ring->buffer_info[i];
cleaned = (i == eop);
- skb = buffer_info->skb;
- if (skb) {
- unsigned int segs, bytecount;
+ if (buffer_info->skb) {
+ total_bytes += buffer_info->bytecount;
/* gso_segs is currently only valid for tcp */
- segs = buffer_info->gso_segs;
- /* multiply data chunks by size of headers */
- bytecount = ((segs - 1) * skb_headlen(skb)) +
- skb->len;
- total_packets += segs;
- total_bytes += bytecount;
-
- igb_tx_hwtstamp(q_vector, skb);
+ total_packets += buffer_info->gso_segs;
+ igb_tx_hwtstamp(q_vector, buffer_info);
}
igb_unmap_and_free_tx_resource(tx_ring, buffer_info);
@@ -5061,7 +5384,7 @@ static bool igb_clean_tx_irq(struct igb_q_vector *q_vector)
!(rd32(E1000_STATUS) & E1000_STATUS_TXOFF)) {
/* detected Tx unit hang */
- dev_err(&tx_ring->pdev->dev,
+ dev_err(tx_ring->dev,
"Detected Tx Unit Hang\n"
" Tx Queue <%d>\n"
" TDH <%x>\n"
@@ -5140,10 +5463,10 @@ static inline void igb_rx_checksum_adv(struct igb_ring *ring,
if (status_err & (E1000_RXD_STAT_TCPCS | E1000_RXD_STAT_UDPCS))
skb->ip_summed = CHECKSUM_UNNECESSARY;
- dev_dbg(&ring->pdev->dev, "cksum success: bits %08X\n", status_err);
+ dev_dbg(ring->dev, "cksum success: bits %08X\n", status_err);
}
-static inline void igb_rx_hwtstamp(struct igb_q_vector *q_vector, u32 staterr,
+static void igb_rx_hwtstamp(struct igb_q_vector *q_vector, u32 staterr,
struct sk_buff *skb)
{
struct igb_adapter *adapter = q_vector->adapter;
@@ -5161,13 +5484,18 @@ static inline void igb_rx_hwtstamp(struct igb_q_vector *q_vector, u32 staterr,
* If nothing went wrong, then it should have a skb_shared_tx that we
* can turn into a skb_shared_hwtstamps.
*/
- if (likely(!(staterr & E1000_RXDADV_STAT_TS)))
- return;
- if (!(rd32(E1000_TSYNCRXCTL) & E1000_TSYNCRXCTL_VALID))
- return;
+ if (staterr & E1000_RXDADV_STAT_TSIP) {
+ u32 *stamp = (u32 *)skb->data;
+ regval = le32_to_cpu(*(stamp + 2));
+ regval |= (u64)le32_to_cpu(*(stamp + 3)) << 32;
+ skb_pull(skb, IGB_TS_HDR_LEN);
+ } else {
+ if(!(rd32(E1000_TSYNCRXCTL) & E1000_TSYNCRXCTL_VALID))
+ return;
- regval = rd32(E1000_RXSTMPL);
- regval |= (u64)rd32(E1000_RXSTMPH) << 32;
+ regval = rd32(E1000_RXSTMPL);
+ regval |= (u64)rd32(E1000_RXSTMPH) << 32;
+ }
igb_systim_to_hwtstamp(adapter, skb_hwtstamps(skb), regval);
}
@@ -5190,7 +5518,7 @@ static bool igb_clean_rx_irq_adv(struct igb_q_vector *q_vector,
{
struct igb_ring *rx_ring = q_vector->rx_ring;
struct net_device *netdev = rx_ring->netdev;
- struct pci_dev *pdev = rx_ring->pdev;
+ struct device *dev = rx_ring->dev;
union e1000_adv_rx_desc *rx_desc , *next_rxd;
struct igb_buffer *buffer_info , *next_buffer;
struct sk_buff *skb;
@@ -5230,9 +5558,9 @@ static bool igb_clean_rx_irq_adv(struct igb_q_vector *q_vector,
cleaned_count++;
if (buffer_info->dma) {
- pci_unmap_single(pdev, buffer_info->dma,
+ dma_unmap_single(dev, buffer_info->dma,
rx_ring->rx_buffer_len,
- PCI_DMA_FROMDEVICE);
+ DMA_FROM_DEVICE);
buffer_info->dma = 0;
if (rx_ring->rx_buffer_len >= IGB_RXBUFFER_1024) {
skb_put(skb, length);
@@ -5242,11 +5570,11 @@ static bool igb_clean_rx_irq_adv(struct igb_q_vector *q_vector,
}
if (length) {
- pci_unmap_page(pdev, buffer_info->page_dma,
- PAGE_SIZE / 2, PCI_DMA_FROMDEVICE);
+ dma_unmap_page(dev, buffer_info->page_dma,
+ PAGE_SIZE / 2, DMA_FROM_DEVICE);
buffer_info->page_dma = 0;
- skb_fill_page_desc(skb, skb_shinfo(skb)->nr_frags++,
+ skb_fill_page_desc(skb, skb_shinfo(skb)->nr_frags,
buffer_info->page,
buffer_info->page_offset,
length);
@@ -5275,7 +5603,8 @@ send_up:
goto next_desc;
}
- igb_rx_hwtstamp(q_vector, staterr, skb);
+ if (staterr & (E1000_RXDADV_STAT_TSIP | E1000_RXDADV_STAT_TS))
+ igb_rx_hwtstamp(q_vector, staterr, skb);
total_bytes += skb->len;
total_packets++;
@@ -5350,12 +5679,12 @@ void igb_alloc_rx_buffers_adv(struct igb_ring *rx_ring, int cleaned_count)
buffer_info->page_offset ^= PAGE_SIZE / 2;
}
buffer_info->page_dma =
- pci_map_page(rx_ring->pdev, buffer_info->page,
+ dma_map_page(rx_ring->dev, buffer_info->page,
buffer_info->page_offset,
PAGE_SIZE / 2,
- PCI_DMA_FROMDEVICE);
- if (pci_dma_mapping_error(rx_ring->pdev,
- buffer_info->page_dma)) {
+ DMA_FROM_DEVICE);
+ if (dma_mapping_error(rx_ring->dev,
+ buffer_info->page_dma)) {
buffer_info->page_dma = 0;
rx_ring->rx_stats.alloc_failed++;
goto no_buffers;
@@ -5373,12 +5702,12 @@ void igb_alloc_rx_buffers_adv(struct igb_ring *rx_ring, int cleaned_count)
buffer_info->skb = skb;
}
if (!buffer_info->dma) {
- buffer_info->dma = pci_map_single(rx_ring->pdev,
+ buffer_info->dma = dma_map_single(rx_ring->dev,
skb->data,
bufsz,
- PCI_DMA_FROMDEVICE);
- if (pci_dma_mapping_error(rx_ring->pdev,
- buffer_info->dma)) {
+ DMA_FROM_DEVICE);
+ if (dma_mapping_error(rx_ring->dev,
+ buffer_info->dma)) {
buffer_info->dma = 0;
rx_ring->rx_stats.alloc_failed++;
goto no_buffers;
@@ -5555,6 +5884,16 @@ static int igb_hwtstamp_ioctl(struct net_device *netdev,
return 0;
}
+ /*
+ * Per-packet timestamping only works if all packets are
+ * timestamped, so enable timestamping in all packets as
+ * long as one rx filter was configured.
+ */
+ if ((hw->mac.type == e1000_82580) && tsync_rx_ctl) {
+ tsync_rx_ctl = E1000_TSYNCRXCTL_ENABLED;
+ tsync_rx_ctl |= E1000_TSYNCRXCTL_TYPE_ALL;
+ }
+
/* enable/disable TX */
regval = rd32(E1000_TSYNCTXCTL);
regval &= ~E1000_TSYNCTXCTL_ENABLED;
@@ -6131,19 +6470,25 @@ static void igb_vmm_control(struct igb_adapter *adapter)
struct e1000_hw *hw = &adapter->hw;
u32 reg;
- /* replication is not supported for 82575 */
- if (hw->mac.type == e1000_82575)
+ switch (hw->mac.type) {
+ case e1000_82575:
+ default:
+ /* replication is not supported for 82575 */
return;
-
- /* enable replication vlan tag stripping */
- reg = rd32(E1000_RPLOLR);
- reg |= E1000_RPLOLR_STRVLAN;
- wr32(E1000_RPLOLR, reg);
-
- /* notify HW that the MAC is adding vlan tags */
- reg = rd32(E1000_DTXCTL);
- reg |= E1000_DTXCTL_VLAN_ADDED;
- wr32(E1000_DTXCTL, reg);
+ case e1000_82576:
+ /* notify HW that the MAC is adding vlan tags */
+ reg = rd32(E1000_DTXCTL);
+ reg |= E1000_DTXCTL_VLAN_ADDED;
+ wr32(E1000_DTXCTL, reg);
+ case e1000_82580:
+ /* enable replication vlan tag stripping */
+ reg = rd32(E1000_RPLOLR);
+ reg |= E1000_RPLOLR_STRVLAN;
+ wr32(E1000_RPLOLR, reg);
+ case e1000_i350:
+ /* none of the above registers are supported by i350 */
+ break;
+ }
if (adapter->vfs_allocated_count) {
igb_vmdq_set_loopback_pf(hw, true);