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classify: vpp packet tracer support

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Configure n-tuple classifier filters which apply to the vpp packet
tracer.

Update the documentation to reflect the new feature.

Add a test vector.

Type: feature

Signed-off-by: Dave Barach <dave@barachs.net>
Change-Id: Iefa911716c670fc12e4825b937b62044433fec36
This commit is contained in:
Dave Barach
2019-12-04 17:19:12 -05:00
committed by Florin Coras
parent 17478e4eb8
commit 87d24db65f
7 changed files with 272 additions and 37 deletions
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13
docs/gettingstarted/developers/vnet.md
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@ -526,10 +526,10 @@ These commands have the following optional parameters:
## packet trace capture filtering
The "classify filter pcap | <interface-name> " debug CLI command
The "classify filter pcap | <interface-name> | trace" 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-interface basis.
per-interface or system-wide basis.
Packets which match a rule in the classifier table chain will be
traced. The tables are automatically ordered so that matches in the
@ -575,10 +575,17 @@ Note that per-interface capture filters are _always_ applied.
pcap trace tx max 100 filter
```
### Configure a vpp packet tracer filter
```
classify filter trace mask l3 ip4 src dst match l3 ip4 src 192.168.1.10 dst 192.168.2.10
trace add dpdk-input 100 filter
```
### Clear all current classifier filters
```
classify filter del
classify filter [pcap | <interface> | trace] del
```
### To inspect the classifier tables