+/**
+ * Set pedit key of decrease/set ttl
+ *
+ * @param[in] actions
+ * pointer to action specification
+ * @param[in,out] p_parser
+ * pointer to pedit_parser
+ * @param[in] item_flags
+ * flags of all items presented
+ */
+static void
+flow_tcf_pedit_key_set_dec_ttl(const struct rte_flow_action *actions,
+ struct pedit_parser *p_parser,
+ uint64_t item_flags)
+{
+ int idx = p_parser->sel.nkeys;
+
+ p_parser->keys[idx].mask = 0xFFFFFF00;
+ if (item_flags & MLX5_FLOW_LAYER_OUTER_L3_IPV4) {
+ p_parser->keys_ex[idx].htype = TCA_PEDIT_KEY_EX_HDR_TYPE_IP4;
+ p_parser->keys[idx].off =
+ offsetof(struct ipv4_hdr, time_to_live);
+ }
+ if (item_flags & MLX5_FLOW_LAYER_OUTER_L3_IPV6) {
+ p_parser->keys_ex[idx].htype = TCA_PEDIT_KEY_EX_HDR_TYPE_IP6;
+ p_parser->keys[idx].off =
+ offsetof(struct ipv6_hdr, hop_limits);
+ }
+ if (actions->type == RTE_FLOW_ACTION_TYPE_DEC_TTL) {
+ p_parser->keys_ex[idx].cmd = TCA_PEDIT_KEY_EX_CMD_ADD;
+ p_parser->keys[idx].val = 0x000000FF;
+ } else {
+ p_parser->keys_ex[idx].cmd = TCA_PEDIT_KEY_EX_CMD_SET;
+ p_parser->keys[idx].val =
+ (__u32)((const struct rte_flow_action_set_ttl *)
+ actions->conf)->ttl_value;
+ }
+ p_parser->sel.nkeys = (++idx);
+}
+