+/* pko_send_hdr_s + pko_send_link */
+#define PKO_CMD_SZ (2 << 1)
+#define PKO_SEND_BUFLINK_SUBDC (0x0ull << 60)
+#define PKO_SEND_BUFLINK_LDTYPE(x) ((x) << 58)
+#define PKO_SEND_BUFLINK_GAUAR(x) ((x) << 24)
+#define PKO_SEND_GATHER_SUBDC (0x2ull << 60)
+#define PKO_SEND_GATHER_LDTYPE(x) ((x) << 58)
+#define PKO_SEND_GATHER_GAUAR(x) ((x) << 24)
+
+#define OCTEONTX_PKO_COPROC 4
+#define MBOX_PKO_MTU_CONFIG 1
+
+typedef struct mbox_pko_mtu_cfg {
+ uint32_t mtu;
+} mbox_pko_mtu_cfg_t;
+
+typedef struct octeontx_dq_s {
+ void *lmtline_va;
+ void *ioreg_va;
+ void *fc_status_va;
+} octeontx_dq_t;
+
+/**
+ * Function for extracting information out of a given DQ.
+ *
+ * It is intended to be used in slow path (configuration) in
+ * octeontx_pko_channel_query().
+ *
+ * @param dq The DQ to extract information from.
+ * @param out Pointer to the user's structure he wants to fill.
+ */
+typedef void (*octeontx_pko_dq_getter_t)(octeontx_dq_t *dq, void *out);
+
+int
+octeontx_pko_channel_query_dqs(int chanid, void *out, size_t out_elem_size,
+ size_t dq_num, octeontx_pko_dq_getter_t getter);
+int octeontx_pko_channel_open(int dq_base, int dq_num, int chanid);
+int octeontx_pko_channel_close(int chanid);
+int octeontx_pko_channel_start(int chanid);
+int octeontx_pko_channel_stop(int chanid);
+int octeontx_pko_vf_count(void);
+size_t octeontx_pko_get_vfid(void);
+int octeontx_pko_init_fc(const size_t pko_vf_count);
+void octeontx_pko_fc_free(void);
+int octeontx_pko_send_mtu(int port, int mtu);
+