3–Installing Drivers
Linux Driver Software
17 BC0154503-00 C
Linux Driver Optional Parameters
Table 3-2 describes the qede driver optional parameters.
Linux Driver Parameter Defaults
Table 3-3 lists the qed and qede Linux driver parameter 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 the HW GRO feature (under development). This is
similar to the kernel's SW GRO, only performed by the device
HW.
err_flags_override A bitmap for disabling or forcing the actions taken in case of a
HW error:
bit #31 - an enable bit for this bitmask.
bit #0 - prevent HW 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 Parameter Defaults
Parameter qed Driver Default qede Driver Default
Speed Auto-negotiation with
speed advertised
Auto-negotiation with speed
advertised
MSI/MSI-X Enabled Enabled
Flow Control — Auto-negotiation with Rx and
Tx advertised
MTU — 1500 (range is 46–9600)
Rx Ring Size — 8191 (range is 128–8191)
Tx Ring Size — 4078 (range is 128–8191)
Coalesce Rx Microseconds — 24 (range is 0–255)
Coalesce Tx Microseconds — 48
TSO — Enabled
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