6–Linux Driver Software
Driver Defaults
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cnic_dump_kwqe_enable
The
cnic_dump_kwe_en
parameter enables and disables single work-queue
element message (kwqe) logging. By default, this parameter is set to
1
(disabled).
Driver Defaults
This section defines the defaults for the bnx2x driver.
bnx2x Driver Defaults
Defaults for the bnx2x Linux driver are listed in
.
:
Teaming with Channel Bonding
With the Linux drivers, you can team adapters together using the bonding kernel
module and a channel bonding interface. For more information, see the Channel
Bonding information in your operating system documentation.
Table 6-2. bnx2x Driver Defaults
Parameter
Default
Speed Control
Autonegotiation with all speeds advertised
Flow Control
Autonegotiation with RX and TX advertised
MTU
1500 (range 46–9600)
Rx Ring Size
4078 (range 0–4078)
Tx Ring Size
4078 (range (MAX_SK4) – 4078).
MAX_SKB_FRAGS varies on different kernels and dif-
ferent architectures. On a 2.6 kernel for x86,
MAX_SKB_FRAGS is 18.
Coalesce RX Microseconds
25 (range 0–3000)
Coalesce TX Microseconds
50 (range 0–12288)
Coalesce Statistics Micro-
seconds
999936 (approximately 1 second) (range is 0–16776960
in increments of 256)
MSI-X
Enabled (if supported by 2.6 kernel and the interrupt test
passes)
TSO
Enabled