I sent a V2.
On 5/16/18, 5:46 PM, "[email protected] on behalf of Darrell
Ball" <[email protected] on behalf of [email protected]> wrote:
Correct and clarify 'steal'/'may_steal' in odp_execute_actions().
Reported-by: Ilya Maximets <[email protected]>
Signed-off-by: Darrell Ball <[email protected]>
---
lib/odp-execute.c | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/lib/odp-execute.c b/lib/odp-execute.c
index 1969f02..4901fa5 100644
--- a/lib/odp-execute.c
+++ b/lib/odp-execute.c
@@ -690,8 +690,12 @@ requires_datapath_assistance(const struct nlattr *a)
* Some actions (e.g. output actions) can only be executed by a datapath.
This
* function implements those actions by passing the action and the packets
to
* 'dp_execute_action' (along with 'dp'). If 'dp_execute_action' is
passed a
- * true 'may_steal' parameter then it may possibly modify and must
definitely
- * free the packets passed into it, otherwise it must leave them
unchanged. */
+ * true 'steal' parameter then it must definitely free the packets passed
into
+ * it. The packet can be modified whether 'steal' is false or true. If a
+ * packet is removed from the batch, then the fate of the packet is
determined
+ * by the code that does this removal, irrespective of the value of
'steal'.
+ * Otherwise, if the packet is not removed from the batch and 'steal' is
false
+ * the thief should clone the packet. */
void
odp_execute_actions(void *dp, struct dp_packet_batch *batch, bool steal,
const struct nlattr *actions, size_t actions_len,
--
1.9.1
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