[ovs-dev] [PATCH v4 1/3] dp-packet: preserve headroom when cloning a pkt batch
Flavio Leitner
fbl at sysclose.org
Thu Jan 16 17:00:33 UTC 2020
The headroom is useful if the packet needs to insert additional
header, so preserve the original headroom when cloning the batch.
Signed-off-by: Flavio Leitner <fbl at sysclose.org>
---
lib/dp-packet.h | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/lib/dp-packet.h b/lib/dp-packet.h
index 3dd59e25d..133942155 100644
--- a/lib/dp-packet.h
+++ b/lib/dp-packet.h
@@ -879,7 +879,11 @@ dp_packet_batch_clone(struct dp_packet_batch *dst,
dp_packet_batch_init(dst);
DP_PACKET_BATCH_FOR_EACH (i, packet, src) {
- dp_packet_batch_add(dst, dp_packet_clone(packet));
+ uint32_t headroom = dp_packet_headroom(packet);
+ struct dp_packet *pkt_clone;
+
+ pkt_clone = dp_packet_clone_with_headroom(packet, headroom);
+ dp_packet_batch_add(dst, pkt_clone);
}
dst->trunc = src->trunc;
}
--
2.24.1
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