Chelsio Communications Chelsio T5 Guia do Utilizador descarregar pdf (Página 245)

100

101

Chapter XVIII. Classification and Filtering

Chelsio T5/T4 Unified Wire For Linux Page 245

ii. Setup ARP entry to reach 102.1.1.1

[root@host]# arp -s 102.1.1.1 00:07:43:04:7D:50

 Follow these steps on machine with T5 adapter

i. Update filtermode value with below combination in /lib/firmware/cxgb4/t5-config.txt to enable

matching based on macidx

filterMode = fragmentation, macmatch, mpshittype, protocol, tos, port, fcoe

ii. Unload and re-load the cxgb4 driver.

iii. Enable promiscuous mode on both the interfaces on T5 adapter machine:

[root@host]# ifconfig eth0 up promisc

[root@host]# ifconfig eth1 up promisc

iv. Build and install latest iproute2 package

v. Add fdb entry corresponding to Node-2 on T5's eth0 interface:

[root@host]# bridge fdb add 00:07:43:12:D4:88 dev eth0 self

vi. Add fdb entry corresponding to Node-1 on T5's eth1 interface:

[root@host]# bridge fdb add 00:07:43:04:7D:50 dev eth1 self

vii. Both MAC entries should show up in MPS table. Run the following command to view the

table and note the index (idx field) of the entries:

[root@host]# cat /sys/kernel/debug/cxgb4/0000\:01\:00.4/mps_tcam | more

viii. Create a filter to match incoming packet's dst-mac 00:07:43:12:d4:88 with particular mac-idx

and switch it out via eport 1:

[root@host]# cxgbtool eth0 filter 0 macidx 5 action switch eport 1 hitcnts 1

1 2 ... 240 241 242 243 244 245 246 247 248 249 250 ... 459 460

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