From: Manfred Spraul <manfred@colorfullife.com>
To: Francois Romieu <romieu@fr.zoreil.com>
Cc: Jeff Garzik <jgarzik@pobox.com>, Netdev <netdev@oss.sgi.com>,
renaud.lienhart@free.fr
Subject: Re: [PATCH] forcedeth: Additional ethtool support
Date: Sun, 10 Jul 2005 20:17:58 +0200 [thread overview]
Message-ID: <42D16656.6000207@colorfullife.com> (raw)
In-Reply-To: <20050710172833.GA1951@electric-eye.fr.zoreil.com>
[-- Attachment #1: Type: text/plain, Size: 622 bytes --]
Francois Romieu wrote:
>>+ int i;
>>+
>>+ regs->version = FORCEDETH_REGS_VER;
>>+ spin_lock_irq(&np->lock);
>>+ for (i=0;i<FORCEDETH_REGS_SIZE/sizeof(u32);i++)
>>+ rbuf[i] = readl(base + i*sizeof(u32));
>>
>>
>
>memcpy_fromio ?
>
>
>
Not for a nic without complete documentation: What if an arch uses
64-bit reads to read two registers at the same time? Not all nics like
that, for example IIRC natsemi explicitely mandates 32-bit reads.
x86-64 doesn't, it uses 32-bit reads, but I don't like the idea of using
memcpy to read registers.
I agree with your other remarks, updated patch attached.
--
Manfred
[-- Attachment #2: patch-forcedeth-037-ethtool --]
[-- Type: text/plain, Size: 9291 bytes --]
--- 2.6/drivers/net/forcedeth.c 2005-07-10 12:38:53.000000000 +0200
+++ build-2.6/drivers/net/forcedeth.c 2005-07-10 20:10:16.000000000 +0200
@@ -85,7 +85,8 @@
* 0.33: 16 May 2005: Support for MCP51 added.
* 0.34: 18 Jun 2005: Add DEV_NEED_LINKTIMER to all nForce nics.
* 0.35: 26 Jun 2005: Support for MCP55 added.
- * 0.36: 28 Jul 2005: Add jumbo frame support.
+ * 0.36: 28 Jun 2005: Add jumbo frame support.
+ * 0.37: 10 Jul 2005: Additional ethtool support, cleanup of pci id list
*
* Known bugs:
* We suspect that on some hardware no TX done interrupts are generated.
@@ -137,6 +138,7 @@
#define DEV_IRQMASK_2 0x0004 /* use NVREG_IRQMASK_WANTED_2 for irq mask */
#define DEV_NEED_TIMERIRQ 0x0008 /* set the timer irq flag in the irq mask */
#define DEV_NEED_LINKTIMER 0x0010 /* poll link settings. Relies on the timer irq */
+#define DEV_HAS_LARGEDESC 0x0020 /* device supports jumbo frames and needs packet format 2 */
enum {
NvRegIrqStatus = 0x000,
@@ -1846,6 +1848,50 @@
return 0;
}
+#define FORCEDETH_REGS_VER 1
+#define FORCEDETH_REGS_SIZE 0x400 /* 256 32-bit registers */
+
+static int nv_get_regs_len(struct net_device *dev)
+{
+ return FORCEDETH_REGS_SIZE;
+}
+
+static void nv_get_regs(struct net_device *dev, struct ethtool_regs *regs, void *buf)
+{
+ struct fe_priv *np = get_nvpriv(dev);
+ u8 __iomem *base = get_hwbase(dev);
+ u32 *rbuf = buf;
+ int i;
+
+ regs->version = FORCEDETH_REGS_VER;
+ spin_lock_irq(&np->lock);
+ for (i=0;i<FORCEDETH_REGS_SIZE/sizeof(u32);i++)
+ rbuf[i] = readl(base + i*sizeof(u32));
+ spin_unlock_irq(&np->lock);
+}
+
+static int nv_nway_reset(struct net_device *dev)
+{
+ struct fe_priv *np = get_nvpriv(dev);
+ int ret;
+
+ spin_lock_irq(&np->lock);
+ if (np->autoneg) {
+ int bmcr;
+
+ bmcr = mii_rw(dev, np->phyaddr, MII_BMCR, MII_READ);
+ bmcr |= (BMCR_ANENABLE | BMCR_ANRESTART);
+ mii_rw(dev, np->phyaddr, MII_BMCR, bmcr);
+
+ ret = 0;
+ } else {
+ ret = -EINVAL;
+ }
+ spin_unlock_irq(&np->lock);
+
+ return ret;
+}
+
static struct ethtool_ops ops = {
.get_drvinfo = nv_get_drvinfo,
.get_link = ethtool_op_get_link,
@@ -1853,6 +1899,9 @@
.set_wol = nv_set_wol,
.get_settings = nv_get_settings,
.set_settings = nv_set_settings,
+ .get_regs_len = nv_get_regs_len,
+ .get_regs = nv_get_regs,
+ .nway_reset = nv_nway_reset,
};
static int nv_open(struct net_device *dev)
@@ -2092,16 +2141,11 @@
}
/* handle different descriptor versions */
- if (pci_dev->device == PCI_DEVICE_ID_NVIDIA_NVENET_1 ||
- pci_dev->device == PCI_DEVICE_ID_NVIDIA_NVENET_2 ||
- pci_dev->device == PCI_DEVICE_ID_NVIDIA_NVENET_3 ||
- pci_dev->device == PCI_DEVICE_ID_NVIDIA_NVENET_12 ||
- pci_dev->device == PCI_DEVICE_ID_NVIDIA_NVENET_13) {
- np->desc_ver = DESC_VER_1;
- np->pkt_limit = NV_PKTLIMIT_1;
- } else {
+ np->desc_ver = DESC_VER_1;
+ np->pkt_limit = NV_PKTLIMIT_1;
+ if (id->driver_data & DEV_HAS_LARGEDESC) {
np->desc_ver = DESC_VER_2;
- np->pkt_limit = NV_PKTLIMIT_1;
+ np->pkt_limit = NV_PKTLIMIT_2;
}
err = -ENOMEM;
@@ -2284,109 +2328,74 @@
static struct pci_device_id pci_tbl[] = {
{ /* nForce Ethernet Controller */
- .vendor = PCI_VENDOR_ID_NVIDIA,
- .device = PCI_DEVICE_ID_NVIDIA_NVENET_1,
- .subvendor = PCI_ANY_ID,
- .subdevice = PCI_ANY_ID,
+ PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_1),
.driver_data = DEV_IRQMASK_1|DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER,
},
{ /* nForce2 Ethernet Controller */
- .vendor = PCI_VENDOR_ID_NVIDIA,
- .device = PCI_DEVICE_ID_NVIDIA_NVENET_2,
- .subvendor = PCI_ANY_ID,
- .subdevice = PCI_ANY_ID,
+ PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_2),
.driver_data = DEV_NEED_LASTPACKET1|DEV_IRQMASK_2|DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER,
},
{ /* nForce3 Ethernet Controller */
- .vendor = PCI_VENDOR_ID_NVIDIA,
- .device = PCI_DEVICE_ID_NVIDIA_NVENET_3,
- .subvendor = PCI_ANY_ID,
- .subdevice = PCI_ANY_ID,
+ PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_3),
.driver_data = DEV_NEED_LASTPACKET1|DEV_IRQMASK_2|DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER,
},
{ /* nForce3 Ethernet Controller */
- .vendor = PCI_VENDOR_ID_NVIDIA,
- .device = PCI_DEVICE_ID_NVIDIA_NVENET_4,
- .subvendor = PCI_ANY_ID,
- .subdevice = PCI_ANY_ID,
- .driver_data = DEV_NEED_LASTPACKET1|DEV_IRQMASK_2|DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER,
+ PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_4),
+ .driver_data = DEV_NEED_LASTPACKET1|DEV_IRQMASK_2|DEV_NEED_TIMERIRQ|
+ DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC,
},
{ /* nForce3 Ethernet Controller */
- .vendor = PCI_VENDOR_ID_NVIDIA,
- .device = PCI_DEVICE_ID_NVIDIA_NVENET_5,
- .subvendor = PCI_ANY_ID,
- .subdevice = PCI_ANY_ID,
- .driver_data = DEV_NEED_LASTPACKET1|DEV_IRQMASK_2|DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER,
+ PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_5),
+ .driver_data = DEV_NEED_LASTPACKET1|DEV_IRQMASK_2|DEV_NEED_TIMERIRQ|
+ DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC,
},
{ /* nForce3 Ethernet Controller */
- .vendor = PCI_VENDOR_ID_NVIDIA,
- .device = PCI_DEVICE_ID_NVIDIA_NVENET_6,
- .subvendor = PCI_ANY_ID,
- .subdevice = PCI_ANY_ID,
- .driver_data = DEV_NEED_LASTPACKET1|DEV_IRQMASK_2|DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER,
+ PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_6),
+ .driver_data = DEV_NEED_LASTPACKET1|DEV_IRQMASK_2|DEV_NEED_TIMERIRQ|
+ DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC,
},
{ /* nForce3 Ethernet Controller */
- .vendor = PCI_VENDOR_ID_NVIDIA,
- .device = PCI_DEVICE_ID_NVIDIA_NVENET_7,
- .subvendor = PCI_ANY_ID,
- .subdevice = PCI_ANY_ID,
- .driver_data = DEV_NEED_LASTPACKET1|DEV_IRQMASK_2|DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER,
+ PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_7),
+ .driver_data = DEV_NEED_LASTPACKET1|DEV_IRQMASK_2|DEV_NEED_TIMERIRQ|
+ DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC,
},
{ /* CK804 Ethernet Controller */
- .vendor = PCI_VENDOR_ID_NVIDIA,
- .device = PCI_DEVICE_ID_NVIDIA_NVENET_8,
- .subvendor = PCI_ANY_ID,
- .subdevice = PCI_ANY_ID,
- .driver_data = DEV_NEED_LASTPACKET1|DEV_IRQMASK_2|DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER,
+ PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_8),
+ .driver_data = DEV_NEED_LASTPACKET1|DEV_IRQMASK_2|DEV_NEED_TIMERIRQ|
+ DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC,
},
{ /* CK804 Ethernet Controller */
- .vendor = PCI_VENDOR_ID_NVIDIA,
- .device = PCI_DEVICE_ID_NVIDIA_NVENET_9,
- .subvendor = PCI_ANY_ID,
- .subdevice = PCI_ANY_ID,
- .driver_data = DEV_NEED_LASTPACKET1|DEV_IRQMASK_2|DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER,
+ PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_9),
+ .driver_data = DEV_NEED_LASTPACKET1|DEV_IRQMASK_2|DEV_NEED_TIMERIRQ|
+ DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC,
},
{ /* MCP04 Ethernet Controller */
- .vendor = PCI_VENDOR_ID_NVIDIA,
- .device = PCI_DEVICE_ID_NVIDIA_NVENET_10,
- .subvendor = PCI_ANY_ID,
- .subdevice = PCI_ANY_ID,
- .driver_data = DEV_NEED_LASTPACKET1|DEV_IRQMASK_2|DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER,
+ PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_10),
+ .driver_data = DEV_NEED_LASTPACKET1|DEV_IRQMASK_2|DEV_NEED_TIMERIRQ|
+ DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC,
},
{ /* MCP04 Ethernet Controller */
- .vendor = PCI_VENDOR_ID_NVIDIA,
- .device = PCI_DEVICE_ID_NVIDIA_NVENET_11,
- .subvendor = PCI_ANY_ID,
- .subdevice = PCI_ANY_ID,
- .driver_data = DEV_NEED_LASTPACKET1|DEV_IRQMASK_2|DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER,
+ PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_11),
+ .driver_data = DEV_NEED_LASTPACKET1|DEV_IRQMASK_2|DEV_NEED_TIMERIRQ|
+ DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC,
},
{ /* MCP51 Ethernet Controller */
- .vendor = PCI_VENDOR_ID_NVIDIA,
- .device = PCI_DEVICE_ID_NVIDIA_NVENET_12,
- .subvendor = PCI_ANY_ID,
- .subdevice = PCI_ANY_ID,
+ PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_12),
.driver_data = DEV_NEED_LASTPACKET1|DEV_IRQMASK_2|DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER,
},
{ /* MCP51 Ethernet Controller */
- .vendor = PCI_VENDOR_ID_NVIDIA,
- .device = PCI_DEVICE_ID_NVIDIA_NVENET_13,
- .subvendor = PCI_ANY_ID,
- .subdevice = PCI_ANY_ID,
+ PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_13),
.driver_data = DEV_NEED_LASTPACKET1|DEV_IRQMASK_2|DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER,
},
{ /* MCP55 Ethernet Controller */
- .vendor = PCI_VENDOR_ID_NVIDIA,
- .device = PCI_DEVICE_ID_NVIDIA_NVENET_14,
- .subvendor = PCI_ANY_ID,
- .subdevice = PCI_ANY_ID,
- .driver_data = DEV_NEED_LASTPACKET1|DEV_IRQMASK_2|DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER,
+ PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_14),
+ .driver_data = DEV_NEED_LASTPACKET1|DEV_IRQMASK_2|DEV_NEED_TIMERIRQ|
+ DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC,
},
{ /* MCP55 Ethernet Controller */
- .vendor = PCI_VENDOR_ID_NVIDIA,
- .device = PCI_DEVICE_ID_NVIDIA_NVENET_15,
- .subvendor = PCI_ANY_ID,
- .subdevice = PCI_ANY_ID,
- .driver_data = DEV_NEED_LASTPACKET1|DEV_IRQMASK_2|DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER,
+ PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_15),
+ .driver_data = DEV_NEED_LASTPACKET1|DEV_IRQMASK_2|DEV_NEED_TIMERIRQ|
+ DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC,
},
{0,},
};
next prev parent reply other threads:[~2005-07-10 18:17 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-07-10 11:09 [PATCH] forcedeth: Additional ethtool support Manfred Spraul
2005-07-10 17:28 ` Francois Romieu
2005-07-10 18:17 ` Manfred Spraul [this message]
2005-07-10 23:26 ` Francois Romieu
2005-07-31 4:51 ` Jeff Garzik
2005-07-13 12:39 ` David Hollis
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