[dpdk-dev] [PATCH v3 03/22] net/bnxt: configure parif for offload miss rules

[Ajit Khaparde <ajit.khaparde@broadcom.com>]

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

PARIF is handler to a partition of the physical port.
For the offload miss rules, the parif miss path needs to be
considered. The higher parif are reserved for handling this.

Signed-off-by: Kishore Padmanabha <kishore.padmanabha@broadcom.com>
Reviewed-by: Michael Baucom <michael.baucom@broadcom.com>
Reviewed-by: Ajit Khaparde <ajit.khaparde@broadcom.com>
---
 drivers/net/bnxt/tf_ulp/ulp_def_rules.c  |  4 +--
 drivers/net/bnxt/tf_ulp/ulp_port_db.h    |  1 +
 drivers/net/bnxt/tf_ulp/ulp_rte_parser.c | 40 ++++++++++++++++++++++++
 3 files changed, 43 insertions(+), 2 deletions(-)

diff --git a/drivers/net/bnxt/tf_ulp/ulp_def_rules.c b/drivers/net/bnxt/tf_ulp/ulp_def_rules.c
index 4d4f7c4ea..d86e4c9ae 100644
--- a/drivers/net/bnxt/tf_ulp/ulp_def_rules.c
+++ b/drivers/net/bnxt/tf_ulp/ulp_def_rules.c
@@ -12,8 +12,6 @@
 #include "ulp_flow_db.h"
 #include "ulp_mapper.h"
 
-#define BNXT_ULP_FREE_PARIF_BASE 11
-
 struct bnxt_ulp_def_param_handler {
 	int32_t (*vfr_func)(struct bnxt_ulp_context *ulp_ctx,
 			    struct ulp_tlv_param *param,
@@ -85,6 +83,8 @@ ulp_set_parif_in_comp_fld(struct bnxt_ulp_context *ulp_ctx,
 
 	if (parif_type == BNXT_ULP_PHY_PORT_PARIF) {
 		idx = BNXT_ULP_CF_IDX_PHY_PORT_PARIF;
+		/* Parif needs to be reset to a free partition */
+		parif += BNXT_ULP_FREE_PARIF_BASE;
 	} else if (parif_type == BNXT_ULP_DRV_FUNC_PARIF) {
 		idx = BNXT_ULP_CF_IDX_DRV_FUNC_PARIF;
 		/* Parif needs to be reset to a free partition */
diff --git a/drivers/net/bnxt/tf_ulp/ulp_port_db.h b/drivers/net/bnxt/tf_ulp/ulp_port_db.h
index 393d01b7c..2b323d168 100644
--- a/drivers/net/bnxt/tf_ulp/ulp_port_db.h
+++ b/drivers/net/bnxt/tf_ulp/ulp_port_db.h
@@ -10,6 +10,7 @@
 
 #define BNXT_PORT_DB_MAX_INTF_LIST		256
 #define BNXT_PORT_DB_MAX_FUNC			2048
+#define BNXT_ULP_FREE_PARIF_BASE		11
 
 enum bnxt_ulp_svif_type {
 	BNXT_ULP_DRV_FUNC_SVIF = 0,
diff --git a/drivers/net/bnxt/tf_ulp/ulp_rte_parser.c b/drivers/net/bnxt/tf_ulp/ulp_rte_parser.c
index 3891bcdc1..39f801b2f 100644
--- a/drivers/net/bnxt/tf_ulp/ulp_rte_parser.c
+++ b/drivers/net/bnxt/tf_ulp/ulp_rte_parser.c
@@ -158,6 +158,43 @@ bnxt_ulp_rte_parser_act_parse(const struct rte_flow_action actions[],
 	return BNXT_TF_RC_SUCCESS;
 }
 
+/*
+ * Function to handle the post processing of the computed
+ * fields for the interface.
+ */
+static void
+bnxt_ulp_comp_fld_intf_update(struct ulp_rte_parser_params *params)
+{
+	uint32_t ifindex;
+	uint16_t port_id, parif;
+	enum bnxt_ulp_direction_type dir;
+
+	/* get the direction details */
+	dir = ULP_COMP_FLD_IDX_RD(params, BNXT_ULP_CF_IDX_DIRECTION);
+
+	if (dir == BNXT_ULP_DIR_INGRESS) {
+		/* read the port id details */
+		port_id = ULP_COMP_FLD_IDX_RD(params,
+					      BNXT_ULP_CF_IDX_INCOMING_IF);
+		if (ulp_port_db_dev_port_to_ulp_index(params->ulp_ctx,
+						      port_id,
+						      &ifindex)) {
+			BNXT_TF_DBG(ERR, "ParseErr:Portid is not valid\n");
+			return;
+		}
+		/* Set port PARIF */
+		if (ulp_port_db_parif_get(params->ulp_ctx, ifindex,
+					  BNXT_ULP_PHY_PORT_PARIF, &parif)) {
+			BNXT_TF_DBG(ERR, "ParseErr:ifindex is not valid\n");
+			return;
+		}
+		/* Parif needs to be reset to a free partition */
+		parif += BNXT_ULP_FREE_PARIF_BASE;
+		ULP_COMP_FLD_IDX_WR(params, BNXT_ULP_CF_IDX_PHY_PORT_PARIF,
+				    parif);
+	}
+}
+
 /*
  * Function to handle the post processing of the parsing details
  */
@@ -213,6 +250,9 @@ bnxt_ulp_rte_parser_post_process(struct ulp_rte_parser_params *params)
 	/* Merge the hdr_fp_bit into the proto header bit */
 	params->hdr_bitmap.bits |= params->hdr_fp_bit.bits;
 
+	/* Update the computed interface parameters */
+	bnxt_ulp_comp_fld_intf_update(params);
+
 	/* TBD: Handle the flow rejection scenarios */
 	return 0;
 }
-- 
2.21.1 (Apple Git-122.3)