X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fnet%2Fsfc%2Fsfc_tso.h;h=8597c2868a26d31a782711562a834d9d93b624fd;hb=a3147ae9aff9d7fd8644083d7d9f87ba9cabc524;hp=e8b558f5054b44e92222785d2ac3cd0984e4d938;hpb=f1f575be9b76ffd2afc5211dcfc0fed8db1014b2;p=dpdk.git

diff --git a/drivers/net/sfc/sfc_tso.h b/drivers/net/sfc/sfc_tso.h
index e8b558f505..8597c2868a 100644
--- a/drivers/net/sfc/sfc_tso.h
+++ b/drivers/net/sfc/sfc_tso.h
@@ -1,17 +1,48 @@
 /* SPDX-License-Identifier: BSD-3-Clause
  *
- * Copyright (c) 2018 Solarflare Communications Inc.
- * All rights reserved.
+ * Copyright(c) 2019-2020 Xilinx, Inc.
+ * Copyright(c) 2018-2019 Solarflare Communications Inc.
  *
  * This software was jointly developed between OKTET Labs (under contract
  * for Solarflare) and Solarflare Communications, Inc.
  */
 
+#ifndef _SFC_TSO_H
+#define _SFC_TSO_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 /** Standard TSO header length */
 #define SFC_TSOH_STD_LEN	256
 
 /** The number of TSO option descriptors that precede the packet descriptors */
-#define SFC_TSO_OPT_DESCS_NUM	2
+#define SFC_EF10_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_EF10_TSO_HDR_DESCS_NUM	1
+
+static inline uint16_t
+sfc_tso_ip4_get_ipid(const uint8_t *pkt_hdrp, size_t ip_hdr_off)
+{
+	const struct rte_ipv4_hdr *ip_hdrp;
+	uint16_t ipid;
+
+	ip_hdrp = (const struct rte_ipv4_hdr *)(pkt_hdrp + ip_hdr_off);
+	rte_memcpy(&ipid, &ip_hdrp->packet_id, sizeof(ipid));
+
+	return rte_be_to_cpu_16(ipid);
+}
 
 unsigned int sfc_tso_prepare_header(uint8_t *tsoh, size_t header_len,
 				    struct rte_mbuf **in_seg, size_t *in_off);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif  /* _SFC_TSO_H */