diff options
author | Sorin Vinturis <svinturis@cloudbasesolutions.com> | 2016-02-02 10:41:27 +0000 |
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committer | Gurucharan Shetty <guru@ovn.org> | 2016-02-02 08:23:47 -0800 |
commit | 5874d571188500ec7aa6d98c778347c6774c3a24 (patch) | |
tree | 11e86cc1ee6e6c36bfcce1e1f2e541d659f8a605 /datapath-windows/ovsext/Mpls.h | |
parent | fa47c1145c5c69933466539f63efa91900b8c5b2 (diff) | |
download | openvswitch-5874d571188500ec7aa6d98c778347c6774c3a24.tar.gz |
datapath-windows: Support for OVS_KEY_ATTR_MPLS attribute
This patch adds OVS_KEY_ATTR_MPLS to the OVS flow mechanism.
Tested using ping.
Tested using iperf (TCP and UDP).
Tested using DriverVerifier.
Signed-off-by: Sorin Vinturis <svinturis@cloudbasesolutions.com>
Acked-by: Nithin Raju <nithin@vmware.com>
Signed-off-by: Gurucharan Shetty <guru@ovn.org>
Diffstat (limited to 'datapath-windows/ovsext/Mpls.h')
-rw-r--r-- | datapath-windows/ovsext/Mpls.h | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/datapath-windows/ovsext/Mpls.h b/datapath-windows/ovsext/Mpls.h new file mode 100644 index 000000000..6e53e46db --- /dev/null +++ b/datapath-windows/ovsext/Mpls.h @@ -0,0 +1,56 @@ +/* + * Copyright (c) 2015 Cloudbase Solutions Srl + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#ifndef __MPLS_H_ +#define __MPLS_H_ 1 + +#include "precomp.h" +#include "Ethernet.h" + +/* + * MPLS definitions + */ +#define FLOW_MAX_MPLS_LABELS 3 + +#define MPLS_HLEN 4 +#define MPLS_BOS_MASK 0x00000100 + +/* Reference: RFC 5462, RFC 3032 + * + * 0 1 2 3 + * 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 + * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ + * | Label | TC |S| TTL | + * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ + * + * Label: Label Value, 20 bits + * TC: Traffic Class field, 3 bits + * S: Bottom of Stack, 1 bit + * TTL: Time to Live, 8 bits + */ + +typedef struct MPLSHdr { + ovs_be32 lse; +} MPLSHdr; + +__inline BOOLEAN +OvsEthertypeIsMpls(ovs_be16 ethertype) +{ + return ethertype == htons(ETH_TYPE_MPLS) || + ethertype == htons(ETH_TYPE_MPLS_MCAST); +} + +#endif /* __MPLS_H_ */ |