diff mbox

[PATCHv4,1/4] Add user context to packet

Message ID 1409152661-1751-3-git-send-email-robking@cisco.com
State Superseded
Headers show

Commit Message

Robbie King Aug. 27, 2014, 3:17 p.m. UTC 
Signed-off-by: Robbie King <robking@cisco.com>
---
 platform/linux-generic/include/api/odp_packet.h    |   18 ++++++++++++++++++
 .../linux-generic/include/odp_packet_internal.h    |    2 ++
 platform/linux-generic/odp_packet.c                |   10 ++++++++++
 3 files changed, 30 insertions(+), 0 deletions(-)
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Patch

diff --git a/platform/linux-generic/include/api/odp_packet.h b/platform/linux-generic/include/api/odp_packet.h
index ef4be9e..4a089d1 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 0ab3be2..49c59b2 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 13e2471..22ce34a 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;
+}