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datapath: 64-bit GRE support

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Extend GRE to have a 64-bit key. Use GRE sequence number to
store upper 32-bits of the key, but this is not standard way of
using GRE sequence number.

Bug #13186
Signed-off-by: Pravin B Shelar <pshelar@nicira.com>
Acked-by: Jesse Gross <jesse@nicira.com>
This commit is contained in:
Pravin B Shelar
2012-10-05 17:55:02 -07:00
parent a457574880
commit 2de795adb9
9 changed files with 147 additions and 27 deletions
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include/linux/openvswitch.h
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@@ -185,6 +185,7 @@ enum ovs_vport_type {
OVS_VPORT_TYPE_PATCH = 100, /* virtual tunnel connecting two vports */
OVS_VPORT_TYPE_GRE, /* GRE tunnel */
OVS_VPORT_TYPE_CAPWAP, /* CAPWAP tunnel */
OVS_VPORT_TYPE_GRE64 = 104, /* GRE tunnel with 64-bit keys */
__OVS_VPORT_TYPE_MAX
};