Add user context to packet

Signed-off-by: Robbie King <robking@cisco.com>
Tested-by: Alexandru Badicioiu <alexandru.badicioiu@linaro.org>
Reviewed-and Tested-by: Taras Kondratiuk <taras.kondratiuk@linaro.org>
Reviewed-by: Bala Manoharan <bala.manoharan@linaro.org>
Reviewed-by: Anders Roxell <anders.roxell@linaro.org>
Signed-off-by: Maxim Uvarov <maxim.uvarov@linaro.org>

3 files changed, 30 insertions, 0 deletions

diff --git a/platform/linux-generic/include/api/odp_packet.h b/platform/linux-generic/include/api/odp_packet.h
index ef4be9e93..4a089d157 100644
--- a/platform/linux-generic/include/api/odp_packet.h
+++ b/platform/linux-generic/include/api/odp_packet.h
@@ -98,6 +98,24 @@ void odp_packet_set_len(odp_packet_t pkt, size_t len);
 size_t odp_packet_get_len(odp_packet_t pkt);
 
 /**
+ * Set packet user context
+ *
+ * @param buf      Packet handle
+ * @param ctx      User context
+ *
+ */
+void odp_packet_set_ctx(odp_packet_t buf, const void *ctx);
+
+/**
+ * Get packet user context
+ *
+ * @param buf      Packet handle
+ *
+ * @return User context
+ */
+void *odp_packet_get_ctx(odp_packet_t buf);
+
+/**
  * Get address to the start of the packet buffer
  *
  * The address of the packet buffer is not necessarily the same as the start
diff --git a/platform/linux-generic/include/odp_packet_internal.h b/platform/linux-generic/include/odp_packet_internal.h
index 0ab3be299..49c59b28d 100644
--- a/platform/linux-generic/include/odp_packet_internal.h
+++ b/platform/linux-generic/include/odp_packet_internal.h
@@ -112,6 +112,8 @@ typedef struct {
 
 	uint32_t frame_len;
 
+	uint64_t user_ctx;        /* user context */
+
 	odp_pktio_t input;
 
 	uint32_t pad;
diff --git a/platform/linux-generic/odp_packet.c b/platform/linux-generic/odp_packet.c
index 20137d08d..64fd0f8b7 100644
--- a/platform/linux-generic/odp_packet.c
+++ b/platform/linux-generic/odp_packet.c
@@ -386,3 +386,13 @@ int odp_packet_copy(odp_packet_t pkt_dst, odp_packet_t pkt_src)
 
 	return 0;
 }
+
+void odp_packet_set_ctx(odp_packet_t pkt, const void *ctx)
+{
+	odp_packet_hdr(pkt)->user_ctx = (intptr_t)ctx;
+}
+
+void *odp_packet_get_ctx(odp_packet_t pkt)
+{
+	return (void *)(intptr_t)odp_packet_hdr(pkt)->user_ctx;
+}