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SNAT: fix address and port allocation for multiple worker threads (VPP-925)

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There is a chance to allocate the same outside address and port.
Assign a block of port numbers to each worker.

Change-Id: I6ef7dc0aab4834705f4e6097c362940d18d747e8
Signed-off-by: Matus Fabian <matfabia@cisco.com>
This commit is contained in:
Matus Fabian
2017-08-03 00:58:05 -07:00
committed by Neale Ranns
parent 33129bb9a3
commit 7801ca29b8
4 changed files with 51 additions and 21 deletions
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17
src/scripts/vnet/snat
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@ -1,10 +1,13 @@
create packet-generator interface pg0
create packet-generator interface pg1
packet-generator new {
name f1
limit 1000000
node ip4-input
size 64-64
no-recycle
worker 0
interface pg0
data {
UDP: 10.0.0.3 -> 172.16.1.2
UDP: 3000 -> 3001
@ -19,7 +22,7 @@ packet-generator new {
node ip4-input
size 64-64
no-recycle
worker 1
interface pg0
data {
UDP: 10.0.0.3 -> 172.16.1.2
UDP: 3005 -> 3006
@ -28,7 +31,11 @@ packet-generator new {
}
snat add address 172.16.1.3
ip route 172.16.1.2/32 via drop
set int ip address pg0 10.0.0.1/24
set int snat in pg0
trace add pg-input 10
set int ip address pg1 172.16.1.1/24
set int state pg0 up
set int state pg1 up
set ip arp static pg0 10.0.0.3 abcd.abcd.abcd
set ip arp static pg0 10.0.0.4 abcd.abcd.abcd
set ip arp static pg1 172.16.1.2 cdef.abcd.abcd
set int snat in pg0 out pg1