[dpdk-stable] [PATCH v2] common/iavf: fix wrong order of protocol header types

[Ting Xu]

The new virtchnl protocol header types for IPv4 and IPv6 fragment are
not added in order, which will break ABI. Move them to the end of the
list.

Signed-off-by: Ting Xu <ting.xu at intel.com>
Fixes: e6a42fd9158b ("common/iavf: add protocol header for IP fragment")
Cc: stable at dpdk.org
---
 drivers/common/iavf/virtchnl.h | 19 ++++++++++++-------
 1 file changed, 12 insertions(+), 7 deletions(-)

diff --git a/drivers/common/iavf/virtchnl.h b/drivers/common/iavf/virtchnl.h
index 139569787f..42ea91a6b0 100644
--- a/drivers/common/iavf/virtchnl.h
+++ b/drivers/common/iavf/virtchnl.h
@@ -1415,9 +1415,7 @@ enum virtchnl_proto_hdr_type {
 	VIRTCHNL_PROTO_HDR_S_VLAN,
 	VIRTCHNL_PROTO_HDR_C_VLAN,
 	VIRTCHNL_PROTO_HDR_IPV4,
-	VIRTCHNL_PROTO_HDR_IPV4_FRAG,
 	VIRTCHNL_PROTO_HDR_IPV6,
-	VIRTCHNL_PROTO_HDR_IPV6_EH_FRAG,
 	VIRTCHNL_PROTO_HDR_TCP,
 	VIRTCHNL_PROTO_HDR_UDP,
 	VIRTCHNL_PROTO_HDR_SCTP,
@@ -1434,6 +1432,12 @@ enum virtchnl_proto_hdr_type {
 	VIRTCHNL_PROTO_HDR_ECPRI,
 	VIRTCHNL_PROTO_HDR_L2TPV2,
 	VIRTCHNL_PROTO_HDR_PPP,
+	/* IPv4 and IPv6 Fragment header types are only associated to
+	 * VIRTCHNL_PROTO_HDR_IPV4 and VIRTCHNL_PROTO_HDR_IPV6 respectively,
+	 * cannot be used independently.
+	 */
+	VIRTCHNL_PROTO_HDR_IPV4_FRAG,
+	VIRTCHNL_PROTO_HDR_IPV6_EH_FRAG,
 };
 
 /* Protocol header field within a protocol header. */
@@ -1456,8 +1460,6 @@ enum virtchnl_proto_hdr_field {
 	VIRTCHNL_PROTO_HDR_IPV4_DSCP,
 	VIRTCHNL_PROTO_HDR_IPV4_TTL,
 	VIRTCHNL_PROTO_HDR_IPV4_PROT,
-	VIRTCHNL_PROTO_HDR_IPV4_FRAG_PKID =
-		PROTO_HDR_FIELD_START(VIRTCHNL_PROTO_HDR_IPV4_FRAG),
 	/* IPV6 */
 	VIRTCHNL_PROTO_HDR_IPV6_SRC =
 		PROTO_HDR_FIELD_START(VIRTCHNL_PROTO_HDR_IPV6),
@@ -1478,9 +1480,6 @@ enum virtchnl_proto_hdr_field {
 	VIRTCHNL_PROTO_HDR_IPV6_PREFIX64_DST,
 	VIRTCHNL_PROTO_HDR_IPV6_PREFIX96_SRC,
 	VIRTCHNL_PROTO_HDR_IPV6_PREFIX96_DST,
-	/* IPv6 Extension Header Fragment */
-	VIRTCHNL_PROTO_HDR_IPV6_EH_FRAG_PKID =
-		PROTO_HDR_FIELD_START(VIRTCHNL_PROTO_HDR_IPV6_EH_FRAG),
 	/* TCP */
 	VIRTCHNL_PROTO_HDR_TCP_SRC_PORT =
 		PROTO_HDR_FIELD_START(VIRTCHNL_PROTO_HDR_TCP),
@@ -1523,6 +1522,12 @@ enum virtchnl_proto_hdr_field {
 	VIRTCHNL_PROTO_HDR_ECPRI_MSG_TYPE =
 		PROTO_HDR_FIELD_START(VIRTCHNL_PROTO_HDR_ECPRI),
 	VIRTCHNL_PROTO_HDR_ECPRI_PC_RTC_ID,
+	/* IPv4 Dummy Fragment */
+	VIRTCHNL_PROTO_HDR_IPV4_FRAG_PKID =
+		PROTO_HDR_FIELD_START(VIRTCHNL_PROTO_HDR_IPV4_FRAG),
+	/* IPv6 Extension Fragment */
+	VIRTCHNL_PROTO_HDR_IPV6_EH_FRAG_PKID =
+		PROTO_HDR_FIELD_START(VIRTCHNL_PROTO_HDR_IPV6_EH_FRAG),
 };
 
 struct virtchnl_proto_hdr {
-- 
2.17.1