From: Kishore Padmanabha <kishore.padmana...@broadcom.com>
This API can be used to iterate individual resource
functions in the flow database.
Reviewed-by: Michael Baucom <michael.bau...@broadcom.com>
Signed-off-by: Kishore Padmanabha <kishore.padmana...@broadcom.com>
Signed-off-by: Venkat Duvvuru <venkatkumar.duvv...@broadcom.com>
---
drivers/net/bnxt/tf_ulp/ulp_flow_db.c | 66 ++++++++++++++++++++++++++++++++++-
drivers/net/bnxt/tf_ulp/ulp_flow_db.h | 17 +++++++++
2 files changed, 82 insertions(+), 1 deletion(-)
diff --git a/drivers/net/bnxt/tf_ulp/ulp_flow_db.c
b/drivers/net/bnxt/tf_ulp/ulp_flow_db.c
index e99e94a..9e7f9f5 100644
--- a/drivers/net/bnxt/tf_ulp/ulp_flow_db.c
+++ b/drivers/net/bnxt/tf_ulp/ulp_flow_db.c
@@ -560,7 +560,71 @@ int32_t ulp_flow_db_fid_free(struct bnxt_ulp_context
*ulp_ctxt,
return 0;
}
-/** Get the flow database entry iteratively
+/*
+ * Get the flow database entry details
+ *
+ * ulp_ctxt [in] Ptr to ulp_context
+ * tbl_idx [in] Specify it is regular or default flow
+ * fid [in] The index to the flow entry
+ * nxt_idx [in/out] the index to the next entry
+ * params [out] The contents to be copied into params.
+ *
+ * returns 0 on success and negative on failure.
+ */
+int32_t ulp_flow_db_resource_get(struct bnxt_ulp_context
*ulp_ctxt,
+ enum bnxt_ulp_flow_db_tables tbl_idx,
+ uint32_t fid,
+ uint32_t *nxt_idx,
+ struct ulp_flow_db_res_params *params)
+{
+ struct bnxt_ulp_flow_db *flow_db;
+ struct bnxt_ulp_flow_tbl *flow_tbl;
+ struct ulp_fdb_resource_info *nxt_resource, *fid_resource;
+
+ flow_db = bnxt_ulp_cntxt_ptr2_flow_db_get(ulp_ctxt);
+ if (!flow_db) {
+ BNXT_TF_DBG(ERR, "Invalid Arguments\n");
+ return -EINVAL;
+ }
+
+ if (tbl_idx >= BNXT_ULP_FLOW_TABLE_MAX) {
+ BNXT_TF_DBG(ERR, "Invalid table index\n");
+ return -EINVAL;
+ }
+
+ flow_tbl = &flow_db->flow_tbl[tbl_idx];
+
+ /* check for limits of fid */
+ if (fid >= flow_tbl->num_flows || !fid) {
+ BNXT_TF_DBG(ERR, "Invalid flow index\n");
+ return -EINVAL;
+ }
+
+ /* check if the flow is active or not */
+ if (!ulp_flow_db_active_flow_is_set(flow_tbl, fid)) {
+ BNXT_TF_DBG(ERR, "flow does not exist\n");
+ return -EINVAL;
+ }
+
+ if (!*nxt_idx) {
+ fid_resource = &flow_tbl->flow_resources[fid];
+ ulp_flow_db_res_info_to_params(fid_resource, params);
+ ULP_FLOW_DB_RES_NXT_SET(*nxt_idx,
+ fid_resource->nxt_resource_idx);
+ } else {
+ nxt_resource = &flow_tbl->flow_resources[*nxt_idx];
+ ulp_flow_db_res_info_to_params(nxt_resource, params);
+ *nxt_idx = 0;
+ ULP_FLOW_DB_RES_NXT_SET(*nxt_idx,
+ nxt_resource->nxt_resource_idx);
+ }
+
+ /* all good, return success */
+ return 0;
+}
+
+/*
+ * Get the flow database entry iteratively
*
* flow_tbl [in] Ptr to flow table
* fid [in/out] The index to the flow entry
diff --git a/drivers/net/bnxt/tf_ulp/ulp_flow_db.h
b/drivers/net/bnxt/tf_ulp/ulp_flow_db.h
index 5435415..5361dd0 100644
--- a/drivers/net/bnxt/tf_ulp/ulp_flow_db.h
+++ b/drivers/net/bnxt/tf_ulp/ulp_flow_db.h
@@ -143,6 +143,23 @@ int32_t ulp_flow_db_fid_free(struct bnxt_ulp_context
*ulp_ctxt,
uint32_t fid);
/*
+ *Get the flow database entry details
+ *
+ * ulp_ctxt [in] Ptr to ulp_context
+ * tbl_idx [in] Specify it is regular or default flow
+ * fid [in] The index to the flow entry
+ * nxt_idx [in/out] the index to the next entry
+ * params [out] The contents to be copied into params.
+ *
+ * returns 0 on success and negative on failure.
+ */
+int32_t ulp_flow_db_resource_get(struct bnxt_ulp_context
*ulp_ctxt,
+ enum bnxt_ulp_flow_db_tables tbl_idx,
+ uint32_t fid,
+ uint32_t *nxt_idx,
+ struct ulp_flow_db_res_params *params);
+
+/*
* Flush all flows in the flow database.
*
* ulp_ctxt [in] Ptr to ulp context
--
2.7.4
