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[ovs-dev,v11,14/14] dpdk-tests: End-to-end tests for multi-seg mbufs.

Message ID 1539188552-129083-15-git-send-email-tiago.lam@intel.com
State Changes Requested
Delegated to: Ian Stokes
Headers show
Series Support multi-segment mbufs | expand

Commit Message

Lam, Tiago Oct. 10, 2018, 4:22 p.m. UTC 
The following tests are added to the DPDK testsuite to add some
coverage for the multi-segment mbufs:
- Check that multi-segment mbufs are disabled by default;
- Check that providing `other_config:dpdk-multi-seg-mbufs=true` indeed
  enables mbufs;
- Using a DPDK port, send a random packet out and check that `ofctl
  dump-flows` shows the correct amount of packets and bytes sent.

Signed-off-by: Tiago Lam <tiago.lam@intel.com>
Acked-by: Eelco Chaudron <echaudro@redhat.com>
---
 tests/system-dpdk.at | 65 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 65 insertions(+)
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Patch

diff --git a/tests/system-dpdk.at b/tests/system-dpdk.at
index 3d21b01..af8de8c 100644
--- a/tests/system-dpdk.at
+++ b/tests/system-dpdk.at
@@ -71,3 +71,68 @@  OVS_VSWITCHD_STOP("/does not exist. The Open vSwitch kernel module is probably n
 ")
 AT_CLEANUP
 dnl --------------------------------------------------------------------------
+
+AT_SETUP([Jumbo frames - Multi-segment disabled by default])
+OVS_DPDK_START()
+
+AT_CHECK([grep "multi-segment mbufs enabled" ovs-vswitchd.log], [1], [])
+OVS_VSWITCHD_STOP("/Global register is changed during/d
+/EAL: No free hugepages reported in hugepages-1048576kB/d
+")
+AT_CLEANUP
+
+AT_SETUP([Jumbo frames - Multi-segment enabled])
+OVS_DPDK_START([dpdk-multi-seg-mbufs=true])
+AT_CHECK([grep "multi-segment mbufs enabled" ovs-vswitchd.log], [], [stdout])
+OVS_VSWITCHD_STOP("/Global register is changed during/d
+/EAL: No free hugepages reported in hugepages-1048576kB/d
+")
+AT_CLEANUP
+
+AT_SETUP([Jumbo frames - Multi-segment mbufs Tx])
+OVS_DPDK_PRE_CHECK()
+OVS_DPDK_START([per-port-memory=true dpdk-multi-seg-mbufs=true])
+
+dnl Add userspace bridge and attach it to OVS
+AT_CHECK([ovs-vsctl add-br br10 -- set bridge br10 datapath_type=netdev])
+AT_CHECK([ovs-vsctl add-port br10 dpdk0 \
+    -- set Interface dpdk0 type=dpdk options:dpdk-devargs=$(cat PCI_ADDR) \
+    -- set Interface dpdk0 mtu_request=9000], [], [stdout], [stderr])
+
+AT_CHECK([ovs-vsctl show], [], [stdout])
+
+dnl Add flows to send packets out from the 'dpdk0' port
+AT_CHECK([
+ovs-ofctl del-flows br10
+ovs-ofctl add-flow br10 in_port=LOCAL,actions=output:dpdk0
+], [], [stdout])
+
+AT_CHECK([ovs-ofctl dump-flows br10], [], [stdout])
+
+dnl Send packet out, of the 'dpdk0' port
+AT_CHECK([
+ARP_HEADER="000009000B00000009000A00080600010800060400010000000000010A0000\
+010000000000020A000002"
+dnl Build a random hex string to append to the ARP_HEADER
+RANDOM_BODY=$(printf '0102030405%.0s' {1..1750})
+dnl 8792B ARP packet
+RANDOM_ARP="$ARP_HEADER$RANDOM_BODY"
+
+ovs-ofctl packet-out br10 "packet=$RANDOM_ARP,action=resubmit:LOCAL"
+], [], [stdout])
+
+AT_CHECK([ovs-ofctl dump-flows br10], [0], [stdout])
+
+dnl Confirm the single packet as been sent with correct size
+AT_CHECK([ovs-ofctl dump-flows br10 | ofctl_strip | grep in_port], [0], [dnl
+ n_packets=1, n_bytes=8792, in_port=LOCAL actions=output:1
+])
+
+dnl Clean up
+OVS_VSWITCHD_STOP("/does not exist. The Open vSwitch kernel module is probably not loaded./d
+/Failed to enable flow control/d
+/failed to connect to \/tmp\/dpdkvhostclient0: No such file or directory/d
+/Global register is changed during/d
+/EAL: No free hugepages reported in hugepages-1048576kB/d
+")
+AT_CLEANUP