Chapter XVIII. Classification and Filtering
Chelsio T5/T4 Unified Wire for Linux
Page 243
3. Hash/DDR Filters
The default (
Unified Wire)
configuration tuning option allows you to create LE-TCAM filters,
which has a limit of 496 filter rules. If you wish to create more, select
T5 Hash Filter
configuration tuning option during installation which allows you to create HASH/DDR filters with
a capacity of ~0.5 million filter rules.
3.1.
Creating Filter Rules
Network driver (
cxgb4
) must be installed and loaded before setting the filter rule.
i.
If you haven’t done already, run the Unified Wire Installer with the
T5 Hash Filter
configuration tuning option to install the Network Driver.
ii. Load the network driver with DDR filters support :
[root@host~]# modprobe cxgb4 use_ddr_filters=1
iii. Now, create filter rules using cxgbtool:
[root@host~]# cxgbtool ethX filter <index> action [pass/drop/switch] fip
<source ip of incoming packet> lip <destination ip of incoming packet> fport
<source port> lport <destination port> hitcnts 1 cap maskless
Where,
ethX
: Chelsio interface
index :
Filter index. The user must provide a positive integer, which will be ignored and
replaced by an automatically computed index, based on the hash (4-tuple).The index
will be displayed after the filter rule is created successfully.
action
: Ingress packet disposition
pass
: Ingress packets will be passed through set ingress queues
switch
: Ingress packets will be routed to an output port with optional header rewrite.
drop
: Ingress packets will be dropped
Creating Hash/DDR Filters is currently supported only on T5 adapters.
Note
“source IP”, “destination IP”, “source port” and “destination port” are mandatory
parameters since Hash filters don't support masks and hence, 4-tuple must always
be supplied for Hash filter
. “cap maskless” parameter should be appended in order
to create Hash/DDR filter rules. Otherwise the above command will create LE-
TCAM filter rules.
Note
Содержание Chelsio T4
Страница 1: ......
Страница 12: ...Chapter I Chelsio Unified Wire Chelsio T5 T4 Unified Wire for Linux Page 12 I Chelsio Unified Wire...
Страница 49: ...Chapter II Network NIC TOE Chelsio T5 T4 Unified Wire for Linux Page 49 II Network NIC TOE...
Страница 67: ...Chapter IV iWARP RDMA Chelsio T5 T4 Unified Wire for Linux Page 67 IV iWARP RDMA...
Страница 88: ...Chapter VI WD UDP Chelsio T5 T4 Unified Wire for Linux Page 88 VI WD UDP...
Страница 99: ...Chapter VII iSCSI PDU Offload Target Chelsio T5 T4 Unified Wire for Linux Page 99 VII iSCSI PDU Offload Target...
Страница 137: ...Chapter VIII iSCSI PDU Offload Initiator Chelsio T5 T4 Unified Wire for Linux Page 137 VIII iSCSI PDU Offload Initiator...
Страница 146: ...Chapter IX Data Center Bridging DCB Chelsio T5 T4 Unified Wire for Linux Page 146 IX Data Center Bridging DCB...
Страница 157: ...Chapter X FCoE PDU Offload Target Chelsio T5 T4 Unified Wire for Linux Page 157 X FCoE PDU Offload Target...
Страница 174: ...Chapter XI FCoE Full Offload Initiator Chelsio T5 T4 Unified Wire for Linux Page 174 XI FCoE Full Offload Initiator...
Страница 180: ...Chapter XI FCoE Full Offload Initiator Chelsio T5 T4 Unified Wire for Linux Page 180...
Страница 186: ...Chapter XII Offload Bonding driver Chelsio T5 T4 Unified Wire for Linux Page 186 XII Offload Bonding driver...
Страница 207: ...Chapter XV Offload IPv6 driver Chelsio T5 T4 Unified Wire for Linux Page 207 XV Offload IPv6 driver...
Страница 212: ...Chapter XVI Bypass Driver Chelsio T5 T4 Unified Wire for Linux Page 212 XVI Bypass Driver...
Страница 224: ...Chapter XVII WD Sniffing and Tracing Chelsio T5 T4 Unified Wire for Linux Page 224 XVII WD Sniffing and Tracing...
Страница 248: ...XIX Traffic Management Chelsio T5 T4 Unified Wire for Linux Page 248 XIX Traffic Management...
Страница 260: ...XX Unified Wire Manager UM Chelsio T5 T4 Unified Wire for Linux Page 260 XX Unified Wire Manager UM...
Страница 303: ...XX Unified Wire Manager UM Chelsio T5 T4 Unified Wire for Linux Page 303 Figure 7 6 2 a Card Summary module...
Страница 311: ...XX Unified Wire Manager UM Chelsio T5 T4 Unified Wire for Linux Page 311 Figure 7 6 3 b Managing IP aliases...
Страница 317: ...XX Unified Wire Manager UM Chelsio T5 T4 Unified Wire for Linux Page 317 Figure 7 6 3 i TraceRoute Utility...
Страница 329: ...XX Unified Wire Manager UM Chelsio T5 T4 Unified Wire for Linux Page 329 Figure 7 6 5 b WD UDP Process Attributes...
Страница 342: ...XX Unified Wire Manager UM Chelsio T5 T4 Unified Wire for Linux Page 342 Figure 7 7 2 b Microsoft iSCSI initiator...
Страница 343: ...XX Unified Wire Manager UM Chelsio T5 T4 Unified Wire for Linux Page 343 Figure 7 7 2 c Chelsio iSCSI initiator...
Страница 345: ...XX Unified Wire Manager UM Chelsio T5 T4 Unified Wire for Linux Page 345 Figure 7 7 2 e Discover targets module...
Страница 355: ...XX Unified Wire Manager UM Chelsio T5 T4 Unified Wire for Linux Page 355 Figure 7 7 4 b Target properties module...
Страница 382: ...Chapter XXI Unified Boot Chelsio T5 T4 Unified Wire for Linux Page 382 XXI Unified Boot...
Страница 405: ...Chapter XXI Unified Boot Chelsio T5 T4 Unified Wire for Linux Page 405 ix Select Save Changes and press Enter...
Страница 466: ...Chapter XXI Unified Boot Chelsio T5 T4 Unified Wire for Linux Page 466 ii Click INSTALLATION DESTINATION under SYSTEM...
Страница 486: ...Chapter XXI Unified Boot Chelsio T5 T4 Unified Wire for Linux Page 486 ii Click Installation Destination under SYSTEM...
Страница 487: ...Chapter XXI Unified Boot Chelsio T5 T4 Unified Wire for Linux Page 487 iii Click Add a disk...
Страница 501: ...Chapter XXII Lustre File System Chelsio T5 T4 Unified Wire for Linux Page 501 XXII Lustre File System...
Страница 506: ...Chapter XXIII Appendix Chelsio T5 T4 Unified Wire for Linux Page 506 XXIII Appendix A...