[dpdk-dev] [PATCH 1/1] app/test: fix TCP header initialization

Lance Richardson lance.richardson at broadcom.com
Tue Mar 30 15:23:28 CEST 2021


Initialize TCP data offset field with TCP header length, this
field is used to derive L4 header length and by hardware to
validate a TCP header.

Fixes: 41f72ec94074 ("test: add packet burst generator functions")
Cc: stable at dpdk.org

Signed-off-by: Lance Richardson <lance.richardson at broadcom.com>
---
 app/test/packet_burst_generator.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/app/test/packet_burst_generator.c b/app/test/packet_burst_generator.c
index 8b390853a2..0fd7290b0e 100644
--- a/app/test/packet_burst_generator.c
+++ b/app/test/packet_burst_generator.c
@@ -117,6 +117,7 @@ initialize_tcp_header(struct rte_tcp_hdr *tcp_hdr, uint16_t src_port,
 	memset(tcp_hdr, 0, sizeof(struct rte_tcp_hdr));
 	tcp_hdr->src_port = rte_cpu_to_be_16(src_port);
 	tcp_hdr->dst_port = rte_cpu_to_be_16(dst_port);
+	tcp_hdr->data_off = (sizeof(struct rte_tcp_hdr) << 2) & 0xF0;
 
 	return pkt_len;
 }
-- 
2.25.1



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