
Chapter XVIII. Classification and Filtering
Chelsio T5/T4 Unified Wire For Linux Page 251
iii. Configure the RSS Queue corresponding to trace0 filter configured above. Determine the
RspQ ID of the queues by looking at Trace QType in /sys/kernel/debug/cxgb4/<bus-
id>/sge_qinfo file.
[root@host]# cxgbtool ethX reg 0x09808=<Trace-Queue0- RspQ ID >
iv. Similarly for other direction and for multiple ports run the follow commands:
[root@host]# echo rx0 snaplen=40 > /proc/driver/cxgb4/<bus_id>/trace1
[root@host]# echo tx1 snaplen=40 > /proc/driver/cxgb4/<bus_id>/trace2
[root@host]# echo rx1 snaplen=40 > /proc/driver/cxgb4/<bus_id>/trace3
[root@host]# cxgbtool ethX reg 0x09ff4=<Trace-Queue1- RspQ ID >
[root@host]# cxgbtool ethX reg 0x09ffc=<Trace-Queue2- RspQ ID >
[root@host]# cxgbtool ethX reg 0x0a004=<Trace-Queue3- RspQ ID >
Use “snaplen=60” in case of IPV6.
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