crypto/dpaa_sec: support authonly and chain with raw API

[dpdk.git] / drivers / net / ice / base / ice_bst_tcam.c

diff --git a/drivers/net/ice/base/ice_bst_tcam.c b/drivers/net/ice/base/ice_bst_tcam.c
index 1c82359..306f62d 100644 (file)
--- a/drivers/net/ice/base/ice_bst_tcam.c
+++ b/drivers/net/ice/base/ice_bst_tcam.c
@@ -239,3 +239,53 @@ struct ice_lbl_item *ice_bst_lbl_table_get(struct ice_hw *hw)
                                        ice_parser_sect_item_get,
                                        _parse_lbl_item, true);
 }
+
+/**
+ * ice_bst_tcam_match - match a pattern on the boost tcam table
+ * @tcam_table: boost tcam table to search
+ * @pat: pattern to match
+ */
+struct ice_bst_tcam_item *
+ice_bst_tcam_match(struct ice_bst_tcam_item *tcam_table, u8 *pat)
+{
+       int i;
+
+       for (i = 0; i < ICE_BST_TCAM_TABLE_SIZE; i++) {
+               struct ice_bst_tcam_item *item = &tcam_table[i];
+
+               if (item->hit_idx_grp == 0)
+                       continue;
+               if (ice_ternary_match(item->key, item->key_inv, pat, 20))
+                       return item;
+       }
+
+       return NULL;
+}
+
+static bool _start_with(const char *prefix, const char *string)
+{
+       int len1 = strlen(prefix);
+       int len2 = strlen(string);
+
+       if (len2 < len1)
+               return false;
+
+       return !memcmp(prefix, string, len1);
+}
+
+struct ice_bst_tcam_item *
+ice_bst_tcam_search(struct ice_bst_tcam_item *tcam_table,
+                   struct ice_lbl_item *lbl_table,
+                   const char *prefix, u16 *start)
+{
+       u16 i = *start;
+
+       for (; i < ICE_BST_TCAM_TABLE_SIZE; i++) {
+               if (_start_with(prefix, lbl_table[i].label)) {
+                       *start = i;
+                       return &tcam_table[lbl_table[i].idx];
+               }
+       }
+
+       return NULL;
+}