This scratchpad can be used by any layer to keep private data.
STT will use it for TCP reassembly state.
Signed-off-by: Pravin B Shelar <pshe...@nicira.com>
---
lib/dp-packet.h | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/lib/dp-packet.h b/lib/dp-packet.h
index 5044ce0..a24ea56 100644
--- a/lib/dp-packet.h
+++ b/lib/dp-packet.h
@@ -36,6 +36,8 @@ enum OVS_PACKED_ENUM dp_packet_source {
* ref to build_dp_packet() in netdev-dpdk. */
};
+#define DP_PACKET_CONTEXT_SIZE 64
+
/* Buffer for holding packet data. A dp_packet is automatically reallocated
* as necessary if it grows too large for the available memory.
*/
@@ -58,7 +60,10 @@ struct dp_packet {
* or UINT16_MAX. */
uint16_t l4_ofs; /* Transport-level header offset,
or UINT16_MAX. */
- struct pkt_metadata md;
+ union {
+ struct pkt_metadata md;
+ uint64_t data[DP_PACKET_CONTEXT_SIZE / 8];
+ };
};
static inline void *dp_packet_data(const struct dp_packet *);
--
1.8.3.1
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