[25/69] net/i40e/base: add opcodes reserved comments

Message ID 20191202074935.97629-26-xiaolong.ye@intel.com (mailing list archive)
State Changes Requested, archived
Delegated to: xiaolong ye
Headers
Series update for i40e base code |

Checks

Context Check Description
ci/checkpatch success coding style OK
ci/Intel-compilation success Compilation OK

Commit Message

Xiaolong Ye Dec. 2, 2019, 7:48 a.m. UTC
  When there are opcodes wrapped behind feature flags, we should indicate
that the opcode number is reserved if the define is not set. This helps
ensure that we do not attempt to re-use an opcode number in multiple
ways, as this could break PF and VF matches.

Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Reviewed-by: Stillwell Jr Paul M <paul.m.stillwell.jr@intel.com>
Reviewed-by: Williams Mitch A <mitch.a.williams@intel.com>
Reviewed-by: Brandeburg Jesse <jesse.brandeburg@intel.com>
Signed-off-by: Xiaolong Ye <xiaolong.ye@intel.com>
---
 drivers/net/i40e/base/virtchnl.h | 4 ++++
 1 file changed, 4 insertions(+)
  

Patch

diff --git a/drivers/net/i40e/base/virtchnl.h b/drivers/net/i40e/base/virtchnl.h
index 0d7825089..d0d612571 100644
--- a/drivers/net/i40e/base/virtchnl.h
+++ b/drivers/net/i40e/base/virtchnl.h
@@ -107,11 +107,15 @@  enum virtchnl_ops {
 	VIRTCHNL_OP_EVENT = 17, /* must ALWAYS be 17 */
 #ifdef VIRTCHNL_SOL_VF_SUPPORT
 	VIRTCHNL_OP_GET_ADDNL_SOL_CONFIG = 19,
+#else
+	/* opcode 19 is reserved */
 #endif
 #ifdef VIRTCHNL_IWARP
 	VIRTCHNL_OP_IWARP = 20, /* advanced opcode */
 	VIRTCHNL_OP_CONFIG_IWARP_IRQ_MAP = 21, /* advanced opcode */
 	VIRTCHNL_OP_RELEASE_IWARP_IRQ_MAP = 22, /* advanced opcode */
+#else
+	/* opcodes 20, 21, and 22 are reserved */
 #endif
 	VIRTCHNL_OP_CONFIG_RSS_KEY = 23,
 	VIRTCHNL_OP_CONFIG_RSS_LUT = 24,