net/sfc: support TSO in EF10 Tx datapath

[dpdk.git] / drivers / net / sfc / sfc_tso.h

diff --git a/drivers/net/sfc/sfc_tso.h b/drivers/net/sfc/sfc_tso.h
index e8b558f..3d2faf5 100644 (file)
--- a/drivers/net/sfc/sfc_tso.h
+++ b/drivers/net/sfc/sfc_tso.h
@@ -13,5 +13,11 @@
 /** The number of TSO option descriptors that precede the packet descriptors */
 #define SFC_TSO_OPT_DESCS_NUM  2
 
+/**
+ * The number of DMA descriptors for TSO header that may or may not precede the
+ * packet's payload descriptors
+ */
+#define SFC_TSO_HDR_DESCS_NUM  1
+
 unsigned int sfc_tso_prepare_header(uint8_t *tsoh, size_t header_len,
                                    struct rte_mbuf **in_seg, size_t *in_off);