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nsh: rework NSH netlink keys and actions

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This patch changes OVS_KEY_ATTR_NSH
to nested attribute and adds three new NSH sub attribute keys:

    OVS_NSH_KEY_ATTR_BASE: for length-fixed NSH base header
    OVS_NSH_KEY_ATTR_MD1:  for length-fixed MD type 1 context
    OVS_NSH_KEY_ATTR_MD2:  for length-variable MD type 2 metadata

Its intention is to align to NSH kernel implementation.

NSH match fields, set and PUSH_NSH action all use the below
nested attribute format:

OVS_KEY_ATTR_NSH begin
    OVS_NSH_KEY_ATTR_BASE
    OVS_NSH_KEY_ATTR_MD1
OVS_KEY_ATTR_NSH end

or

OVS_KEY_ATTR_NSH begin
    OVS_NSH_KEY_ATTR_BASE
    OVS_NSH_KEY_ATTR_MD2
OVS_KEY_ATTR_NSH end

In addition, NSH encap and decap actions are renamed as push_nsh
and pop_nsh to meet action naming convention.

Signed-off-by: Yi Yang <yi.y.yang@intel.com>
Signed-off-by: Ben Pfaff <blp@ovn.org>
This commit is contained in:
Yi Yang
2018-01-06 13:47:51 +08:00
committed by Ben Pfaff
parent d3b8483300
commit f59cb331c4
18 changed files with 786 additions and 286 deletions
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4
lib/dpif-netdev.c
View File

@@ -5760,8 +5760,8 @@ dp_execute_cb(void *aux_, struct dp_packet_batch *packets_,
case OVS_ACTION_ATTR_PUSH_ETH:
case OVS_ACTION_ATTR_POP_ETH:
case OVS_ACTION_ATTR_CLONE:
case OVS_ACTION_ATTR_ENCAP_NSH:
case OVS_ACTION_ATTR_DECAP_NSH:
case OVS_ACTION_ATTR_PUSH_NSH:
case OVS_ACTION_ATTR_POP_NSH:
case __OVS_ACTION_ATTR_MAX:
OVS_NOT_REACHED();
}