[08/36] net/bnxt: add support for computed header field in result opcode

Message ID 20200610065733.18698-9-somnath.kotur@broadcom.com (mailing list archive)
State Superseded, archived
Delegated to: Ajit Khaparde
Headers
Series bnxt fixes and enhancements |

Checks

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

Commit Message

Somnath Kotur June 10, 2020, 6:57 a.m. UTC
  From: Kishore Padmanabha <kishore.padmanabha@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.padmanabha@broadcom.com>
Reviewed-by: Somnath Kotur <somnath.kotur@broadcom.com>
Signed-off-by: Somnath Kotur <somnath.kotur@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(-)
  

Patch

diff --git a/drivers/net/bnxt/tf_ulp/ulp_mapper.c b/drivers/net/bnxt/tf_ulp/ulp_mapper.c
index 437b055..1ede967 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 f86cc42..82df8de 100644
--- a/drivers/net/bnxt/tf_ulp/ulp_template_db.h
+++ b/drivers/net/bnxt/tf_ulp/ulp_template_db.h
@@ -214,7 +214,8 @@  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 {