3–Driver Installation
Installing Linux Driver Software
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5.
Install libqedr libraries to work with RDMA user space applications. The
libqedr RPM is available only for inbox OFED. Issue the following command:
rpm –ivh qlgc-libqedr-<version>.<arch>.rpm
6.
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.
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 the hardware generic receive offload (GRO) fea-
ture (under development). This is similar to the kernel's soft-
ware GRO, but 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 reas-
serted
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
