3–Driver Installation
Installing Linux Driver Software
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6.
To build and install the libqedr user space library, issue the following
command:
'make libqedr_install'
7.
Test the drivers by loading them as follows:
modprobe qed
modprobe qede
modprobe qedr
Linux Driver Optional Parameters
describes the optional parameters for the qede driver.
Linux Driver Operation Defaults
lists the qed and qede Linux driver operation defaults.
Table 3-2. qede Driver Optional Parameters
Parameter
Description
debug
Controls driver verbosity level similar to
ethtool -s <dev> msglvl
.
int_mode
Controls interrupt mode other than MSI-X.
gro_enable
Enables or disables the hardware generic receive offload (GRO) feature.
This feature is similar to the kernel's software GRO, but is only performed
by the device hardware.
err_flags_override
A bitmap for disabling or forcing the actions taken in case of a hardware
error:
bit #31 – An enable bit for this bitmask
bit #0 – Prevent hardware attentions from being reasserted
bit #1 – Collect debug data
bit #2 – Trigger a recovery process
bit #3 – Call WARN to get a call trace of the flow that led to the error
Table 3-3. Linux Driver Operation Defaults
Operation
qed Driver Default
qede Driver Default
Speed
Auto-negotiation with speed
advertised
Auto-negotiation with speed
advertised
MSI/MSI-X
Enabled
Enabled
