User Guide
NetXtreme II
January 2010
Bro a d c o m Co rp o r a ti o n
Document
ENGSRVT52-CDUM100-R
Driver Defaults
Page 131
Note that Broadcom validation is limited to a power of 2; for example, 16, 32.
event_coal_div
"Event Coalescing Divide Factor", performance tuning parameter used to moderate the rate of interrupt generation by the
iscsi firmware.
Defaults: 1
Valid values: 1, 2, 4, 8
bnx2i_nopout_when_commands_active
"iSCSI NOOP even when connection is not idle", this parameter enables the offload initiator to send iSCSI NOP-OUT on
wire even when the link is not truly idle. This was introduced to avoid unnecessary session recoveries induced by some older
targets when iSCSI NOP-OUT and iSCSI CMD pdus are intermixed. Newer iSCSI target systems are immune to this
condition and this parameter is turned ON for quite some time.
Defaults: 1
Values: Binary parameter, 0/1
The parameters can also be set in modprobe.conf. See the man page for more information.
D
RIVER
D
EFAULTS
•
•
BNX
2 D
RIVER
Speed
: Autonegotiation with all speeds advertised
Flow Control
: Autonegotiation with RX and TX advertised
MTU
: 1500 (range is 46–9000)
RX Ring Size
: 255 (range is 0–4080)
RX Jumbo Ring Size
: 0 (range 0–16320) adjusted by the driver based on MTU and RX Ring Size
TX Ring Size
: 255 (range is (MAX_SK1)–255). MAX_SKB_FRAGS varies on different kernels and different
architectures. On a 2.6 kernel for x86, MAX_SKB_FRAGS is 18.
Coalesce RX Microseconds
: 18 (range is 0–1023)
Coalesce RX Microseconds IRQ
: 18 (range is 0–1023)
Coalesce RX Frames
: 6 (range is 0–255)
Содержание BCM5706C
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