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misc: add vnet classify filter set support

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Type: feature

Signed-off-by: Dave Barach <dave@barachs.net>
Change-Id: I79b216d2499df143f53977e5b70382f6f887e0bc
This commit is contained in:
Dave Barach
2019-09-25 11:27:46 -04:00
committed by Florin Coras
parent 2d0ebd7ebc
commit f5667c3055
9 changed files with 248 additions and 58 deletions
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27
docs/gettingstarted/developers/vnet.md
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@ -497,6 +497,11 @@ These commands have the following optional parameters:
on a per-paket basis. Must be >32 and less than 9000. Default value:
512.
- <b>filter</b> - Use the pcap rx / tx / drop trace filter, which must
be configured. Use <b>classify filter pcap...</b> to configure the
filter. The filter will only be executed if the per-interface or
any-interface tests fail.
- <b>intfc _interface_ | _any_</b> - Used to specify a given interface,
or use '<em>any</em>' to run packet capture on all interfaces.
'<em>any</em>' is the default if not provided. Settings from a previous
@ -521,9 +526,10 @@ These commands have the following optional parameters:
## packet trace capture filtering
The "classify filter" debug CLI command constructs an arbitrary set of
packet classifier tables for use with "pcap rx | tx trace," and
(eventually) with the vpp packet tracer
The "classify filter pcap | <interface-name> " debug CLI command
constructs an arbitrary set of packet classifier tables for use with
"pcap rx | tx | drop trace," and with the vpp packet tracer on a
per-interrface basis.
Packets which match a rule in the classifier table chain will be
traced. The tables are automatically ordered so that matches in the
@ -540,17 +546,24 @@ and match values. If a classifier table with a suitable mask already
exists, the CLI command adds a match rule to the existing table. If
not, the CLI command add a new table and the indicated mask rule
### Configure a simple classify filter
### Configure a simple pcap classify filter
```
classify filter mask l3 ip4 src match l3 ip4 src 192.168.1.11"
classify filter pcap mask l3 ip4 src match l3 ip4 src 192.168.1.11"
pcap rx trace on max 100 filter
```
### Configure another fairly simple filter
### Configure a simple interface packet-tracer filter
```
classify filter mask l3 ip4 src dst match l3 ip4 src 192.168.1.10 dst 192.168.2.10
classify filter GigabitEthernet3/0/0 mask l3 ip4 src match l3 ip4 src 192.168.1.11"
[device-driver debug CLI TBD]
```
### Configure another fairly simple pcap classify filter
```
classify filter pcap mask l3 ip4 src dst match l3 ip4 src 192.168.1.10 dst 192.168.2.10
pcap tx trace on max 100 filter
```