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path: root/drivers/net/myri10ge/myri10ge.c
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Diffstat (limited to 'drivers/net/myri10ge/myri10ge.c')
-rw-r--r--drivers/net/myri10ge/myri10ge.c88
1 files changed, 70 insertions, 18 deletions
diff --git a/drivers/net/myri10ge/myri10ge.c b/drivers/net/myri10ge/myri10ge.c
index b05dc6ed7fb..f8efe0e70a6 100644
--- a/drivers/net/myri10ge/myri10ge.c
+++ b/drivers/net/myri10ge/myri10ge.c
@@ -71,7 +71,7 @@
#include "myri10ge_mcp.h"
#include "myri10ge_mcp_gen_header.h"
-#define MYRI10GE_VERSION_STR "1.2.0"
+#define MYRI10GE_VERSION_STR "1.3.0-1.233"
MODULE_DESCRIPTION("Myricom 10G driver (10GbE)");
MODULE_AUTHOR("Maintainer: help@myri.com");
@@ -181,6 +181,7 @@ struct myri10ge_priv {
int intr_coal_delay;
__be32 __iomem *intr_coal_delay_ptr;
int mtrr;
+ int wc_enabled;
int wake_queue;
int stop_queue;
int down_cnt;
@@ -233,7 +234,7 @@ static int myri10ge_msi = 1; /* enable msi by default */
module_param(myri10ge_msi, int, S_IRUGO | S_IWUSR);
MODULE_PARM_DESC(myri10ge_msi, "Enable Message Signalled Interrupts\n");
-static int myri10ge_intr_coal_delay = 25;
+static int myri10ge_intr_coal_delay = 75;
module_param(myri10ge_intr_coal_delay, int, S_IRUGO);
MODULE_PARM_DESC(myri10ge_intr_coal_delay, "Interrupt coalescing delay\n");
@@ -278,7 +279,7 @@ static int myri10ge_fill_thresh = 256;
module_param(myri10ge_fill_thresh, int, S_IRUGO | S_IWUSR);
MODULE_PARM_DESC(myri10ge_fill_thresh, "Number of empty rx slots allowed\n");
-static int myri10ge_wcfifo = 1;
+static int myri10ge_wcfifo = 0;
module_param(myri10ge_wcfifo, int, S_IRUGO);
MODULE_PARM_DESC(myri10ge_wcfifo, "Enable WC Fifo when WC is enabled\n");
@@ -717,6 +718,8 @@ static int myri10ge_reset(struct myri10ge_priv *mgp)
int status;
size_t bytes;
u32 len;
+ struct page *dmatest_page;
+ dma_addr_t dmatest_bus;
/* try to send a reset command to the card to see if it
* is alive */
@@ -726,6 +729,11 @@ static int myri10ge_reset(struct myri10ge_priv *mgp)
dev_err(&mgp->pdev->dev, "failed reset\n");
return -ENXIO;
}
+ dmatest_page = alloc_page(GFP_KERNEL);
+ if (!dmatest_page)
+ return -ENOMEM;
+ dmatest_bus = pci_map_page(mgp->pdev, dmatest_page, 0, PAGE_SIZE,
+ DMA_BIDIRECTIONAL);
/* Now exchange information about interrupts */
@@ -764,8 +772,8 @@ static int myri10ge_reset(struct myri10ge_priv *mgp)
len = mgp->tx.boundary;
- cmd.data0 = MYRI10GE_LOWPART_TO_U32(mgp->rx_done.bus);
- cmd.data1 = MYRI10GE_HIGHPART_TO_U32(mgp->rx_done.bus);
+ cmd.data0 = MYRI10GE_LOWPART_TO_U32(dmatest_bus);
+ cmd.data1 = MYRI10GE_HIGHPART_TO_U32(dmatest_bus);
cmd.data2 = len * 0x10000;
status = myri10ge_send_cmd(mgp, MXGEFW_DMA_TEST, &cmd, 0);
if (status == 0)
@@ -774,8 +782,8 @@ static int myri10ge_reset(struct myri10ge_priv *mgp)
else
dev_warn(&mgp->pdev->dev, "DMA read benchmark failed: %d\n",
status);
- cmd.data0 = MYRI10GE_LOWPART_TO_U32(mgp->rx_done.bus);
- cmd.data1 = MYRI10GE_HIGHPART_TO_U32(mgp->rx_done.bus);
+ cmd.data0 = MYRI10GE_LOWPART_TO_U32(dmatest_bus);
+ cmd.data1 = MYRI10GE_HIGHPART_TO_U32(dmatest_bus);
cmd.data2 = len * 0x1;
status = myri10ge_send_cmd(mgp, MXGEFW_DMA_TEST, &cmd, 0);
if (status == 0)
@@ -785,8 +793,8 @@ static int myri10ge_reset(struct myri10ge_priv *mgp)
dev_warn(&mgp->pdev->dev, "DMA write benchmark failed: %d\n",
status);
- cmd.data0 = MYRI10GE_LOWPART_TO_U32(mgp->rx_done.bus);
- cmd.data1 = MYRI10GE_HIGHPART_TO_U32(mgp->rx_done.bus);
+ cmd.data0 = MYRI10GE_LOWPART_TO_U32(dmatest_bus);
+ cmd.data1 = MYRI10GE_HIGHPART_TO_U32(dmatest_bus);
cmd.data2 = len * 0x10001;
status = myri10ge_send_cmd(mgp, MXGEFW_DMA_TEST, &cmd, 0);
if (status == 0)
@@ -796,6 +804,9 @@ static int myri10ge_reset(struct myri10ge_priv *mgp)
dev_warn(&mgp->pdev->dev,
"DMA read/write benchmark failed: %d\n", status);
+ pci_unmap_page(mgp->pdev, dmatest_bus, PAGE_SIZE, DMA_BIDIRECTIONAL);
+ put_page(dmatest_page);
+
memset(mgp->rx_done.entry, 0, bytes);
/* reset mcp/driver shared state back to 0 */
@@ -889,9 +900,7 @@ myri10ge_alloc_rx_pages(struct myri10ge_priv *mgp, struct myri10ge_rx_buf *rx,
/* try to refill entire ring */
while (rx->fill_cnt != (rx->cnt + rx->mask + 1)) {
idx = rx->fill_cnt & rx->mask;
-
- if ((bytes < MYRI10GE_ALLOC_SIZE / 2) &&
- (rx->page_offset + bytes <= MYRI10GE_ALLOC_SIZE)) {
+ if (rx->page_offset + bytes <= MYRI10GE_ALLOC_SIZE) {
/* we can use part of previous page */
get_page(rx->page);
} else {
@@ -922,6 +931,13 @@ myri10ge_alloc_rx_pages(struct myri10ge_priv *mgp, struct myri10ge_rx_buf *rx,
/* start next packet on a cacheline boundary */
rx->page_offset += SKB_DATA_ALIGN(bytes);
+
+#if MYRI10GE_ALLOC_SIZE > 4096
+ /* don't cross a 4KB boundary */
+ if ((rx->page_offset >> 12) !=
+ ((rx->page_offset + bytes - 1) >> 12))
+ rx->page_offset = (rx->page_offset + 4096) & ~4095;
+#endif
rx->fill_cnt++;
/* copy 8 descriptors to the firmware at a time */
@@ -1375,7 +1391,7 @@ myri10ge_get_ethtool_stats(struct net_device *netdev,
data[i] = ((unsigned long *)&mgp->stats)[i];
data[i++] = (unsigned int)mgp->tx.boundary;
- data[i++] = (unsigned int)(mgp->mtrr >= 0);
+ data[i++] = (unsigned int)mgp->wc_enabled;
data[i++] = (unsigned int)mgp->pdev->irq;
data[i++] = (unsigned int)mgp->msi_enabled;
data[i++] = (unsigned int)mgp->read_dma;
@@ -1456,6 +1472,8 @@ static int myri10ge_allocate_rings(struct net_device *dev)
status = myri10ge_send_cmd(mgp, MXGEFW_CMD_GET_SEND_RING_SIZE, &cmd, 0);
tx_ring_size = cmd.data0;
status |= myri10ge_send_cmd(mgp, MXGEFW_CMD_GET_RX_RING_SIZE, &cmd, 0);
+ if (status != 0)
+ return status;
rx_ring_size = cmd.data0;
tx_ring_entries = tx_ring_size / sizeof(struct mcp_kreq_ether_send);
@@ -1463,6 +1481,8 @@ static int myri10ge_allocate_rings(struct net_device *dev)
mgp->tx.mask = tx_ring_entries - 1;
mgp->rx_small.mask = mgp->rx_big.mask = rx_ring_entries - 1;
+ status = -ENOMEM;
+
/* allocate the host shadow rings */
bytes = 8 + (MYRI10GE_MAX_SEND_DESC_TSO + 4)
@@ -1735,7 +1755,7 @@ static int myri10ge_open(struct net_device *dev)
goto abort_with_irq;
}
- if (myri10ge_wcfifo && mgp->mtrr >= 0) {
+ if (myri10ge_wcfifo && mgp->wc_enabled) {
mgp->tx.wc_fifo = (u8 __iomem *) mgp->sram + MXGEFW_ETH_SEND_4;
mgp->rx_small.wc_fifo =
(u8 __iomem *) mgp->sram + MXGEFW_ETH_RECV_SMALL;
@@ -1992,10 +2012,9 @@ again:
mss = 0;
max_segments = MXGEFW_MAX_SEND_DESC;
- if (skb->len > (dev->mtu + ETH_HLEN)) {
+ if (skb_is_gso(skb)) {
mss = skb_shinfo(skb)->gso_size;
- if (mss != 0)
- max_segments = MYRI10GE_MAX_SEND_DESC_TSO;
+ max_segments = MYRI10GE_MAX_SEND_DESC_TSO;
}
if ((unlikely(avail < max_segments))) {
@@ -2468,6 +2487,12 @@ static void myri10ge_enable_ecrc(struct myri10ge_priv *mgp)
#define PCI_DEVICE_ID_INTEL_E5000_PCIE23 0x25f7
#define PCI_DEVICE_ID_INTEL_E5000_PCIE47 0x25fa
+#define PCI_DEVICE_ID_INTEL_6300ESB_PCIEE1 0x3510
+#define PCI_DEVICE_ID_INTEL_6300ESB_PCIEE4 0x351b
+#define PCI_DEVICE_ID_INTEL_E3000_PCIE 0x2779
+#define PCI_DEVICE_ID_INTEL_E3010_PCIE 0x277a
+#define PCI_DEVICE_ID_SERVERWORKS_HT2100_PCIE_FIRST 0x140
+#define PCI_DEVICE_ID_SERVERWORKS_HT2100_PCIE_LAST 0x142
static void myri10ge_select_firmware(struct myri10ge_priv *mgp)
{
@@ -2499,6 +2524,24 @@ static void myri10ge_select_firmware(struct myri10ge_priv *mgp)
((bridge->vendor == PCI_VENDOR_ID_SERVERWORKS
&& bridge->device ==
PCI_DEVICE_ID_SERVERWORKS_HT2000_PCIE)
+ /* ServerWorks HT2100 */
+ || (bridge->vendor == PCI_VENDOR_ID_SERVERWORKS
+ && bridge->device >=
+ PCI_DEVICE_ID_SERVERWORKS_HT2100_PCIE_FIRST
+ && bridge->device <=
+ PCI_DEVICE_ID_SERVERWORKS_HT2100_PCIE_LAST)
+ /* All Intel E3000/E3010 PCIE ports */
+ || (bridge->vendor == PCI_VENDOR_ID_INTEL
+ && (bridge->device ==
+ PCI_DEVICE_ID_INTEL_E3000_PCIE
+ || bridge->device ==
+ PCI_DEVICE_ID_INTEL_E3010_PCIE))
+ /* All Intel 6310/6311/6321ESB PCIE ports */
+ || (bridge->vendor == PCI_VENDOR_ID_INTEL
+ && bridge->device >=
+ PCI_DEVICE_ID_INTEL_6300ESB_PCIEE1
+ && bridge->device <=
+ PCI_DEVICE_ID_INTEL_6300ESB_PCIEE4)
/* All Intel E5000 PCIE ports */
|| (bridge->vendor == PCI_VENDOR_ID_INTEL
&& bridge->device >=
@@ -2510,6 +2553,12 @@ static void myri10ge_select_firmware(struct myri10ge_priv *mgp)
bridge->vendor, bridge->device);
mgp->tx.boundary = 4096;
mgp->fw_name = myri10ge_fw_aligned;
+ } else if (bridge &&
+ bridge->vendor == PCI_VENDOR_ID_SGI &&
+ bridge->device == 0x4002 /* TIOCE pcie-port */ ) {
+ /* this pcie bridge does not support 4K rdma request */
+ mgp->tx.boundary = 2048;
+ mgp->fw_name = myri10ge_fw_aligned;
}
} else {
if (myri10ge_force_firmware == 1) {
@@ -2830,9 +2879,12 @@ static int myri10ge_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
mgp->board_span = pci_resource_len(pdev, 0);
mgp->iomem_base = pci_resource_start(pdev, 0);
mgp->mtrr = -1;
+ mgp->wc_enabled = 0;
#ifdef CONFIG_MTRR
mgp->mtrr = mtrr_add(mgp->iomem_base, mgp->board_span,
MTRR_TYPE_WRCOMB, 1);
+ if (mgp->mtrr >= 0)
+ mgp->wc_enabled = 1;
#endif
/* Hack. need to get rid of these magic numbers */
mgp->sram_size =
@@ -2927,7 +2979,7 @@ static int myri10ge_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
dev_info(dev, "%s IRQ %d, tx bndry %d, fw %s, WC %s\n",
(mgp->msi_enabled ? "MSI" : "xPIC"),
netdev->irq, mgp->tx.boundary, mgp->fw_name,
- (mgp->mtrr >= 0 ? "Enabled" : "Disabled"));
+ (mgp->wc_enabled ? "Enabled" : "Disabled"));
return 0;
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-11 21:48:46 +0000