Chelsio Communications Chelsio T5 Uživatelská příručka stáhnout pdf (Strana 206)

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Chapter XV. Classification and Filtering

Chelsio T5/T4 Unified Wire For Linux Page 206

2. Usage

2.1. Configuration

The Classification and Filtering feature is configured by specifying the filter selection

combination set in the T4 firmware configuration file t4-config.txt located in /lib/firmware/cxgb4/

The following combination is set by default and packets will be matched accordingly:

filterMode = fragmentation, mpshittype, protocol, vlan, port, fcoe

Where,

fragmentation: Fragmented IP packets

mpshittype : MAC address "match type" (0=unicast, 1=unicast hash, 2=multicast, 3=multicast

hash, 4=PROM, 5=hyper PROM, 6=broadcast, 7=none)

protocol : IP protocol number (ICMP=1, TCP=6, UDP=17, etc)

vlan : Inner VLAN Tag

port : Packet ingress port number

fcoe : Fibre Channel over Ethernet frames

2.2. Creating Filter Rules

Network driver (cxgb4) must be installed and loaded before setting the filter rule. If you haven’t

done already, run the Unified Wire Installer with the appropriate T4 configuration tuning option

to install the Network Driver.

Next, run the following command to load the network driver:

[root@host]# modprobe cxgb4

Now, create filter rules using cxgbtool:

[root@host]# cxgbtool ethx filter <index> action [pass/drop/switch]

1 2 ... 201 202 203 204 205 206 207 208 209 210 211 ... 451 452

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