Documentation/networking/e1000.txt: Update documentation

Update Intel Wired LAN e1000 documentation.

Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
This commit is contained in:
Jeff Kirsher 2010-12-09 23:42:00 -08:00
parent a5d62a149b
commit 96c3c0330d

View File

@ -79,7 +79,7 @@ InterruptThrottleRate
--------------------- ---------------------
(not supported on Intel(R) 82542, 82543 or 82544-based adapters) (not supported on Intel(R) 82542, 82543 or 82544-based adapters)
Valid Range: 0,1,3,4,100-100000 (0=off, 1=dynamic, 3=dynamic conservative, Valid Range: 0,1,3,4,100-100000 (0=off, 1=dynamic, 3=dynamic conservative,
4=simplified balancing) 4=simplified balancing)
Default Value: 3 Default Value: 3
The driver can limit the amount of interrupts per second that the adapter The driver can limit the amount of interrupts per second that the adapter
@ -124,8 +124,8 @@ InterruptThrottleRate is set to mode 1. In this mode, which operates
the same as mode 3, the InterruptThrottleRate will be increased stepwise to the same as mode 3, the InterruptThrottleRate will be increased stepwise to
70000 for traffic in class "Lowest latency". 70000 for traffic in class "Lowest latency".
In simplified mode the interrupt rate is based on the ratio of Tx and In simplified mode the interrupt rate is based on the ratio of TX and
Rx traffic. If the bytes per second rate is approximately equal, the RX traffic. If the bytes per second rate is approximately equal, the
interrupt rate will drop as low as 2000 interrupts per second. If the interrupt rate will drop as low as 2000 interrupts per second. If the
traffic is mostly transmit or mostly receive, the interrupt rate could traffic is mostly transmit or mostly receive, the interrupt rate could
be as high as 8000. be as high as 8000.
@ -245,7 +245,7 @@ NOTE: Depending on the available system resources, the request for a
TxDescriptorStep TxDescriptorStep
---------------- ----------------
Valid Range: 1 (use every Tx Descriptor) Valid Range: 1 (use every Tx Descriptor)
4 (use every 4th Tx Descriptor) 4 (use every 4th Tx Descriptor)
Default Value: 1 (use every Tx Descriptor) Default Value: 1 (use every Tx Descriptor)
@ -312,7 +312,7 @@ Valid Range: 0-xxxxxxx (0=off)
Default Value: 256 Default Value: 256
Usage: insmod e1000.ko copybreak=128 Usage: insmod e1000.ko copybreak=128
Driver copies all packets below or equaling this size to a fresh Rx Driver copies all packets below or equaling this size to a fresh RX
buffer before handing it up the stack. buffer before handing it up the stack.
This parameter is different than other parameters, in that it is a This parameter is different than other parameters, in that it is a