[dpdk-dev] [PATCH v4 04/25] net/bnxt: add computed header field in result opcode

[Ajit Khaparde]

From: Kishore Padmanabha <kishore.padmana...@broadcom.com>

Added support for computed header fields in the result field
processing. The computed header fields are fields that are extracted
from header fields or derived from data that is not part of the flow
command but shall be used in setting up of the flow rule.

Signed-off-by: Kishore Padmanabha <kishore.padmana...@broadcom.com>
Signed-off-by: Somnath Kotur <somnath.ko...@broadcom.com>
Reviewed-by: Ajit Khaparde <ajit.khapa...@broadcom.com>
---
 drivers/net/bnxt/tf_ulp/ulp_mapper.c      | 16 ++++++++++++++++
 drivers/net/bnxt/tf_ulp/ulp_template_db.h |  3 ++-
 2 files changed, 18 insertions(+), 1 deletion(-)

diff --git a/drivers/net/bnxt/tf_ulp/ulp_mapper.c 
b/drivers/net/bnxt/tf_ulp/ulp_mapper.c
index e60d9d572..5984bbba7 100644
--- a/drivers/net/bnxt/tf_ulp/ulp_mapper.c
+++ b/drivers/net/bnxt/tf_ulp/ulp_mapper.c
@@ -662,6 +662,22 @@ ulp_mapper_result_field_process(struct 
bnxt_ulp_mapper_parms *parms,
                        return -EINVAL;
                }
                break;
+       case BNXT_ULP_RESULT_OPC_SET_TO_COMP_HDR_FIELD:
+               if (!ulp_operand_read(fld->result_operand,
+                                     (uint8_t *)&idx,
+                                     sizeof(uint16_t))) {
+                       BNXT_TF_DBG(ERR, "%s key operand read failed.\n", name);
+                       return -EINVAL;
+               }
+               idx = tfp_be_to_cpu_16(idx);
+               if (idx < BNXT_ULP_CHF_IDX_LAST)
+                       val = ulp_blob_push_32(blob, &parms->comp_fld[idx],
+                                              fld->field_bit_size);
+               if (!val) {
+                       BNXT_TF_DBG(ERR, "%s push to key blob failed\n", name);
+                       return -EINVAL;
+               }
+               break;
        default:
                return -EINVAL;
        }
diff --git a/drivers/net/bnxt/tf_ulp/ulp_template_db.h 
b/drivers/net/bnxt/tf_ulp/ulp_template_db.h
index 4e1836658..6591d78c7 100644
--- a/drivers/net/bnxt/tf_ulp/ulp_template_db.h
+++ b/drivers/net/bnxt/tf_ulp/ulp_template_db.h
@@ -213,7 +213,8 @@ enum bnxt_ulp_result_opc {
        BNXT_ULP_RESULT_OPC_SET_TO_ENCAP_ACT_PROP_SZ = 2,
        BNXT_ULP_RESULT_OPC_SET_TO_REGFILE = 3,
        BNXT_ULP_RESULT_OPC_SET_TO_DEF_REGFILE = 4,
-       BNXT_ULP_RESULT_OPC_LAST = 5
+       BNXT_ULP_RESULT_OPC_SET_TO_COMP_HDR_FIELD = 5,
+       BNXT_ULP_RESULT_OPC_LAST = 6
 };
 
 enum bnxt_ulp_search_before_alloc {
-- 
2.21.1 (Apple Git-122.3)