Chelsio Communications Chelsio T4 Guia do Utilizador descarregar pdf (Página 211)

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XVI. Traffic Management

4.2. Configuring Traffic Management

4.2.1. For Non-offloaded connections

Traffic Management of non-offloaded connections can be configured by binding the indicated

NIC TX queue to the specified TX Scheduler class using the cxgbtool utility.

1. Bring up the interface:

[root@host]# ifconfig ethX up

2. Now, bind the queues with traffic class:

[root@host]# cxgbtool ethX sched-queue <queue> <class>

Here,

 ethX is the Chelsio interface

 queue is the NIC TX queue

 class is the TX scheduler class

4.2.2. For Offloaded connections

Traffic Management of offloaded connections can be configured either by applying COP policies

that associate offloaded connections to classes or by modifying the application.

Both the methods have been described below:

Applying COP policy

1. Bring up the interface:

[root@host]# ifconfig ethX up

If the TX queue is all, * or any negative value, the binding will apply to all of the TX

queues associated with the interface. If the class is unbind, clear or any negative

value, the TX queue(s) will be unbound from any current TX Scheduler Class

binding.

Note

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