- /*
- * All failures after this succeeds require the entry to be freed.
- * cannot return directly on failure, but needs to goto error
- */
- rc = tf_alloc_tcam_entry(tfp, &aparms);
- if (rc) {
- BNXT_TF_DBG(ERR, "tcam alloc failed rc=%d.\n", rc);
- return rc;
- }
+ /*
+ * All failures after this succeeds require the entry to be
+ * freed. cannot return directly on failure, but needs to goto
+ * error.
+ */
+ rc = tf_alloc_tcam_entry(tfp, &aparms);
+ if (rc) {
+ BNXT_TF_DBG(ERR, "tcam alloc failed rc=%d.\n", rc);
+ return rc;
+ }
+ idx = aparms.idx;
+ hit = aparms.hit;
+ } else {
+ /*
+ * Searching before allocation to see if we already have an
+ * entry. This allows re-use of a constrained resource.
+ */
+ searchparms.dir = tbl->direction;
+ searchparms.tcam_tbl_type = tbl->resource_type;
+ searchparms.key = ulp_blob_data_get(&key, &tmplen);
+ searchparms.key_sz_in_bits = tbl->key_bit_size;
+ searchparms.mask = ulp_blob_data_get(&mask, &tmplen);
+ searchparms.priority = tbl->priority;
+ searchparms.alloc = 1;
+ searchparms.result = ulp_blob_data_get(&data, &tmplen);
+ searchparms.result_sz_in_bits = tbl->result_bit_size;
+
+ rc = tf_search_tcam_entry(tfp, &searchparms);
+ if (rc) {
+ BNXT_TF_DBG(ERR, "tcam search failed rc=%d\n", rc);
+ return rc;
+ }