common/iavf: support advanced RSS input set change

Add new ops and a new VIRTCHNL_VF_OFFLOAD_ADV_RSS_PF flag to support
VF to add or del a specific rss configuration by virtchnl.

Signed-off-by: Jeff Guo <jia.guo@intel.com>
Signed-off-by: Paul M Stillwell Jr <paul.m.stillwell.jr@intel.com>
Signed-off-by: Qi Zhang <qi.z.zhang@intel.com>
Acked-by: Beilei Xing <beilei.xing@intel.com>

diff --git a/drivers/common/iavf/virtchnl.h b/drivers/common/iavf/virtchnl.h
index 043948e..c7c7fcc 100644 (file)
--- a/drivers/common/iavf/virtchnl.h
+++ b/drivers/common/iavf/virtchnl.h
@@ -135,6 +135,8 @@ enum virtchnl_ops {
        VIRTCHNL_OP_DCF_GET_VSI_MAP = 42,
        VIRTCHNL_OP_DCF_GET_PKG_INFO = 43,
        VIRTCHNL_OP_GET_SUPPORTED_RXDIDS = 44,
+       VIRTCHNL_OP_ADD_RSS_CFG = 45,
+       VIRTCHNL_OP_DEL_RSS_CFG = 46,
 };
 
 /* These macros are used to generate compilation errors if a structure/union
@@ -251,6 +253,7 @@ VIRTCHNL_CHECK_STRUCT_LEN(16, virtchnl_vsi_resource);
 #define VIRTCHNL_VF_OFFLOAD_USO                        0X02000000
 #define VIRTCHNL_VF_CAP_DCF                    0X40000000
 #define VIRTCHNL_VF_OFFLOAD_RX_FLEX_DESC       0X04000000
+#define VIRTCHNL_VF_OFFLOAD_ADV_RSS_PF         0X08000000
        /* 0X80000000 is reserved */
 
 /* Define below the capability flags that are not offloads */
@@ -541,6 +544,14 @@ struct virtchnl_rss_hena {
 
 VIRTCHNL_CHECK_STRUCT_LEN(8, virtchnl_rss_hena);
 
+/* Type of RSS algorithm */
+enum virtchnl_rss_algorithm {
+       VIRTCHNL_RSS_ALG_TOEPLITZ_ASYMMETRIC    = 0,
+       VIRTCHNL_RSS_ALG_R_ASYMMETRIC           = 1,
+       VIRTCHNL_RSS_ALG_TOEPLITZ_SYMMETRIC     = 2,
+       VIRTCHNL_RSS_ALG_XOR_SYMMETRIC          = 3,
+};
+
 /* This is used by PF driver to enforce how many channels can be supported.
  * When ADQ_V2 capability is negotiated, it will allow 16 channels otherwise
  * PF driver will allow only max 4 channels
@@ -926,6 +937,13 @@ struct virtchnl_proto_hdrs {
 
 VIRTCHNL_CHECK_STRUCT_LEN(2312, virtchnl_proto_hdrs);
 
+struct virtchnl_rss_cfg {
+       struct virtchnl_proto_hdrs proto_hdrs;     /* protocol headers */
+       enum virtchnl_rss_algorithm rss_algorithm; /* rss algorithm type */
+       u8 reserved[128];                          /* reserve for future */
+};
+
+VIRTCHNL_CHECK_STRUCT_LEN(2444, virtchnl_rss_cfg);
 /**
  * virtchnl_vc_validate_vf_msg
  * @ver: Virtchnl version info
@@ -940,7 +958,7 @@ virtchnl_vc_validate_vf_msg(struct virtchnl_version_info *ver, u32 v_opcode,
                            u8 *msg, u16 msglen)
 {
        bool err_msg_format = false;
-       int valid_len = 0;
+       u32 valid_len = 0;
 
        /* Validate message length. */
        switch (v_opcode) {
@@ -1112,6 +1130,10 @@ virtchnl_vc_validate_vf_msg(struct virtchnl_version_info *ver, u32 v_opcode,
                break;
        case VIRTCHNL_OP_GET_SUPPORTED_RXDIDS:
                break;
+       case VIRTCHNL_OP_ADD_RSS_CFG:
+       case VIRTCHNL_OP_DEL_RSS_CFG:
+               valid_len = sizeof(struct virtchnl_rss_cfg);
+               break;
        /* These are always errors coming from the VF. */
        case VIRTCHNL_OP_EVENT:
        case VIRTCHNL_OP_UNKNOWN: