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 qedr
make install_libeqdr
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