This adds a ct_clear action for clearing conntrack state. ct_clear is currently implemented in OVS userspace, but is not backed by an action in the kernel datapath. This is useful for flows that may modify a packet tuple after a ct lookup has already occurred.
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| @@ -807,6 +807,7 @@ struct ovs_action_push_eth { · 806 unmodified lines | |||
| 807 | * packet. | 807 | * packet. |
| 808 | * @OVS_ACTION_ATTR_POP_ETH: Pop the outermost Ethernet header off the | 808 | * @OVS_ACTION_ATTR_POP_ETH: Pop the outermost Ethernet header off the |
| 809 | * packet. | 809 | * packet. |
| 810 | * @OVS_ACTION_ATTR_CT_CLEAR: Clear conntrack state from the packet. | ||
| 810 | * | 811 | * |
| 811 | * Only a single header can be set with a single %OVS_ACTION_ATTR_SET. Not all | 812 | * Only a single header can be set with a single %OVS_ACTION_ATTR_SET. Not all |
| 812 | * fields within a header are modifiable, e.g. the IPv4 protocol and fragment | 813 | * fields within a header are modifiable, e.g. the IPv4 protocol and fragment |
| @@ -836,6 +837,7 @@ enum ovs_action_attr { · 23 unmodified lines | |||
| 836 | OVS_ACTION_ATTR_TRUNC, /* u32 struct ovs_action_trunc. */ | 837 | OVS_ACTION_ATTR_TRUNC, /* u32 struct ovs_action_trunc. */ |
| 837 | OVS_ACTION_ATTR_PUSH_ETH, /* struct ovs_action_push_eth. */ | 838 | OVS_ACTION_ATTR_PUSH_ETH, /* struct ovs_action_push_eth. */ |
| 838 | OVS_ACTION_ATTR_POP_ETH, /* No argument. */ | 839 | OVS_ACTION_ATTR_POP_ETH, /* No argument. */ |
| 840 | OVS_ACTION_ATTR_CT_CLEAR, /* No argument. */ | ||
| 839 | 841 | ||
| 840 | __OVS_ACTION_ATTR_MAX, /* Nothing past this will be accepted | 842 | __OVS_ACTION_ATTR_MAX, /* Nothing past this will be accepted |
| 841 | * from userspace. */ | 843 | * from userspace. */ |