Hi All,
I set up a bridge with 2 dpdk ports and 2 dpdkvhostuser ports. And 4 flows
are configured as the follows
PHY0 -> dpdk port0 -> dpdkvhostuser port0 -> VM eth-ens3
PHY0 <- dpdk port0 <- dpdkvhostuser port0 <- VM eth-ens3
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PHY1 -> dpdk port1 -> dpdkvhostuser port1 -> VM eth-ens4
PHY1 <- dpdk port1 <- dpdkvhostuser port1 <- VM eth-ens4
All of the packets from the VM are passed to the PHY. No problem.
But all of the packets from the PHY are dropped at the dpdkvhostuser port,
and cannot be passed to the VM.
Why one direction does not work while the other direction works fine?
Any help is appreciated!
Thanks,
Charlie
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More details
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DPDK 2.2.0; OVS 2.5.0; Both host and VM is Fedora 23
#### Bridge and port config
$ sudo ./ovs-vsctl show
fa6781bf-0204-4593-ad99-bf6a3843c6c8
Bridge "br0"
Port "vhost0"
Interface "vhost0"
type: dpdkvhostuser
Port "vhost1"
Interface "vhost1"
type: dpdkvhostuser
Port "br0"
Interface "br0"
type: internal
Port "dpdk0"
Interface "dpdk0"
type: dpdk
Port "dpdk1"
Interface "dpdk1"
type: dpdk
$ sudo ./ovs-vsctl list-ports br0
dpdk0
dpdk1
vhost0
vhost1
#### Before sending traffic to PHY
$ sudo ./ovs-ofctl dump-flows br0
NXST_FLOW reply (xid=0x4):
cookie=0x0, duration=260.837s, table=0, n_packets=0, n_bytes=0,
idle_age=260, in_port=1 actions=output:3
cookie=0x0, duration=260.817s, table=0, n_packets=0, n_bytes=0,
idle_age=260, in_port=2 actions=output:4
cookie=0x0, duration=260.799s, table=0, n_packets=48, n_bytes=7968,
idle_age=6, in_port=3 actions=output:1
cookie=0x0, duration=260.781s, table=0, n_packets=48, n_bytes=7968,
idle_age=7, in_port=4 actions=output:2
$ sudo ./ovs-ofctl dump-ports br0
OFPST_PORT reply (xid=0x2): 5 ports
port 4: rx pkts=48, bytes=7968, drop=?, errs=0, frame=?, over=?, crc=?
tx pkts=0, bytes=0, drop=0, errs=?, coll=?
port 2: rx pkts=0, bytes=0, drop=0, errs=0, frame=?, over=?, crc=?
tx pkts=48, bytes=7968, drop=0, errs=0, coll=?
port 1: rx pkts=0, bytes=0, drop=0, errs=0, frame=?, over=?, crc=?
tx pkts=48, bytes=7968, drop=0, errs=0, coll=?
port 3: rx pkts=48, bytes=7968, drop=?, errs=0, frame=?, over=?, crc=?
tx pkts=0, bytes=0, drop=0, errs=?, coll=?
port LOCAL: rx pkts=0, bytes=0, drop=0, errs=0, frame=0, over=0, crc=0
tx pkts=0, bytes=0, drop=0, errs=0, coll=0
#### After sending traffic to PHY
$ sudo ./ovs-ofctl dump-flows br0
NXST_FLOW reply (xid=0x4):
cookie=0x0, duration=330.842s, table=0, n_packets=29069777,
n_bytes=1802326154, idle_age=32, in_port=1 actions=output:3
cookie=0x0, duration=330.822s, table=0, n_packets=29069777,
n_bytes=1802326154, idle_age=32, in_port=2 actions=output:4
cookie=0x0, duration=330.804s, table=0, n_packets=50, n_bytes=8652,
idle_age=56, in_port=3 actions=output:1
cookie=0x0, duration=330.786s, table=0, n_packets=50, n_bytes=8652,
idle_age=52, in_port=4 actions=output:2
$ sudo ./ovs-ofctl dump-ports br0
OFPST_PORT reply (xid=0x2): 5 ports
port 4: rx pkts=50, bytes=8652, drop=?, errs=0, frame=?, over=?, crc=?
tx pkts=0, bytes=0, drop=29069777, errs=?, coll=?
port 2: rx pkts=29069777, bytes=1802326154, drop=0, errs=0, frame=?,
over=?, crc=?
tx pkts=50, bytes=8652, drop=0, errs=0, coll=?
port 1: rx pkts=29069777, bytes=1802326154, drop=0, errs=0, frame=?,
over=?, crc=?
tx pkts=50, bytes=8652, drop=0, errs=0, coll=?
port 3: rx pkts=50, bytes=8652, drop=?, errs=0, frame=?, over=?, crc=?
tx pkts=0, bytes=0, drop=29069777, errs=?, coll=?
port LOCAL: rx pkts=0, bytes=0, drop=0, errs=0, frame=0, over=0, crc=0
tx pkts=0, bytes=0, drop=0, errs=0, coll=0
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