[ovs-dev] [PATCH v2 5/6] lib/odp, ofproto xlate: Meter execution support.
blp at nicira.com
Wed Aug 13 16:27:17 UTC 2014
On Mon, Aug 11, 2014 at 02:37:46PM -0700, Jarno Rajahalme wrote:
> Meter action can drop or modify packets, so the execution framework is
> changed to allow for this. Also, a meter action can appear alone
> (e.g., to measure traffic that is to be dropped), so the existing drop
> implementation is not sufficient any more.
> The action execution framework is changed in three ways:
> 1. Action execution can shrink the number of packets in a batch to be
> further processed by the remaining actions.
> 2. Whenever a packet is 'stolen' (e.g., for output), the corresponding
> packet pointer is changed to NULL. NULLed pointers must be excluded
> from further processing by using the change #1 above. Sometimes
> this means that the packet pointers are shuffled so that remaining
> action processing never needs to check for the NULL pointers
> 3. Packet deletion is centralized to the odp_execute_actions()
> function. This make memory leaks less likely to appear as new
> kinds of action are added later.
> Signed-off-by: Jarno Rajahalme <jrajahalme at nicira.com>
This has a conflict, would you mind respinning it?
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