/* SPDX-License-Identifier: BSD-3-Clause
*
- * Copyright (c) 2016-2018 Solarflare Communications Inc.
- * All rights reserved.
+ * Copyright(c) 2019-2020 Xilinx, Inc.
+ * Copyright(c) 2016-2019 Solarflare Communications Inc.
*
* This software was jointly developed between OKTET Labs (under contract
* for Solarflare) and Solarflare Communications, Inc.
unsigned int *pkt_descs, size_t *pkt_len)
{
uint8_t *tsoh;
- const struct tcp_hdr *th;
+ const struct rte_tcp_hdr *th;
efsys_dma_addr_t header_paddr;
uint16_t packet_id = 0;
uint32_t sent_seq;
/*
* Discard a packet if header linearization is needed but
* the header is too big.
+ * Duplicate Tx prepare check here to avoid spoil of
+ * memory if Tx prepare is skipped.
*/
if (unlikely(header_len > SFC_TSOH_STD_LEN))
return EMSGSIZE;
tsoh = rte_pktmbuf_mtod(m, uint8_t *);
}
+ /*
+ * 8000-series EF10 hardware requires that innermost IP length
+ * be greater than or equal to the value which each segment is
+ * supposed to have; otherwise, TCP checksum will be incorrect.
+ */
+ sfc_tso_innermost_ip_fix_len(m, tsoh, nh_off);
+
/*
* Handle IP header. Tx prepare has debug-only checks that offload flags
* are correctly filled in in TSO mbuf. Use zero IPID if there is no
* IPv4 flag. If the packet is still IPv4, HW will simply start from
* zero IPID.
*/
- if (m->ol_flags & PKT_TX_IPV4) {
- const struct ipv4_hdr *iphe4;
-
- iphe4 = (const struct ipv4_hdr *)(tsoh + nh_off);
- rte_memcpy(&packet_id, &iphe4->packet_id, sizeof(uint16_t));
- packet_id = rte_be_to_cpu_16(packet_id);
- }
+ if (m->ol_flags & PKT_TX_IPV4)
+ packet_id = sfc_tso_ip4_get_ipid(tsoh, nh_off);
/* Handle TCP header */
- th = (const struct tcp_hdr *)(tsoh + tcph_off);
+ th = (const struct rte_tcp_hdr *)(tsoh + tcph_off);
rte_memcpy(&sent_seq, &th->sent_seq, sizeof(uint32_t));
sent_seq = rte_be_to_cpu_32(sent_seq);