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datapath: Convert kernel priority actions into match/set.

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Following patch adds skb-priority to flow key. So userspace will know
what was priority when packet arrived and we can remove the pop/reset
priority action. It's no longer necessary to have a special action for
pop that is based on the kernel remembering original skb->priority.
Userspace can just emit a set priority action with the original value.

Since the priority field is a match field with just a normal set action,
we can convert it into the new model for actions that are based on
matches.

Signed-off-by: Pravin B Shelar <pshelar@nicira.com>
Acked-by: Jesse Gross <jesse@nicira.com>

Bug #7715
This commit is contained in:
Pravin B Shelar
2011-11-01 10:13:16 -07:00
parent 7f4ae491b0
commit abff858b5a
22 changed files with 159 additions and 114 deletions
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lib/dpif-linux.c
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@@ -1275,7 +1275,7 @@ dpif_linux_vport_send(int dp_ifindex, uint32_t port_no,
uint64_t action;
ofpbuf_use_const(&packet, data, size);
flow_extract(&packet, htonll(0), 0, &flow);
flow_extract(&packet, 0, htonll(0), 0, &flow);
ofpbuf_use_stack(&key, &keybuf, sizeof keybuf);
odp_flow_key_from_flow(&key, &flow);