+/**
+ * Add ESP item to matcher and to the value.
+ *
+ * @param[in, out] matcher
+ * Flow matcher.
+ * @param[in, out] key
+ * Flow matcher value.
+ * @param[in] item
+ * Flow pattern to translate.
+ * @param[in] inner
+ * Item is inner pattern.
+ */
+static void
+flow_dv_translate_item_esp(void *matcher, void *key,
+ const struct rte_flow_item *item,
+ int inner)
+{
+ const struct rte_flow_item_esp *esp_m = item->mask;
+ const struct rte_flow_item_esp *esp_v = item->spec;
+ void *headers_m;
+ void *headers_v;
+ char *spi_m;
+ char *spi_v;
+
+ if (inner) {
+ headers_m = MLX5_ADDR_OF(fte_match_param, matcher,
+ inner_headers);
+ headers_v = MLX5_ADDR_OF(fte_match_param, key, inner_headers);
+ } else {
+ headers_m = MLX5_ADDR_OF(fte_match_param, matcher,
+ outer_headers);
+ headers_v = MLX5_ADDR_OF(fte_match_param, key, outer_headers);
+ }
+ MLX5_SET(fte_match_set_lyr_2_4, headers_m, ip_protocol, 0xff);
+ MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_protocol, IPPROTO_ESP);
+ if (!esp_v)
+ return;
+ if (!esp_m)
+ esp_m = &rte_flow_item_esp_mask;
+ headers_m = MLX5_ADDR_OF(fte_match_param, matcher, misc_parameters);
+ headers_v = MLX5_ADDR_OF(fte_match_param, key, misc_parameters);
+ if (inner) {
+ spi_m = MLX5_ADDR_OF(fte_match_set_misc, headers_m, inner_esp_spi);
+ spi_v = MLX5_ADDR_OF(fte_match_set_misc, headers_v, inner_esp_spi);
+ } else {
+ spi_m = MLX5_ADDR_OF(fte_match_set_misc, headers_m, outer_esp_spi);
+ spi_v = MLX5_ADDR_OF(fte_match_set_misc, headers_v, outer_esp_spi);
+ }
+ *(uint32_t *)spi_m = esp_m->hdr.spi;
+ *(uint32_t *)spi_v = esp_m->hdr.spi & esp_v->hdr.spi;
+}
+