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From: Zhuobin Huang <zobin1999@gmail.com>
To: dev@dpdk.org
Cc: cunming.liang@intel.com
Subject: [PATCH] app/test: fix data length of each packet segment
Date: Mon, 6 Mar 2023 05:07:23 +0800
Message-Id: <20230305210723.15653-1-zobin1999@gmail.com>
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Assign correct data length to each segments according
to the given pkt_len and nb_pkt_segs, instead of
using pkt_len as the data_len of every packet segment
Fixes: a9c9e9698d5e ("app/test: allow to create packets of different sizes")
Cc: cunming.liang@intel.com
Signed-off-by: Zhuobin Huang <zobin1999@gmail.com>
---
.mailmap | 1 +
app/test/packet_burst_generator.c | 9 +++++++--
2 files changed, 8 insertions(+), 2 deletions(-)
diff --git a/.mailmap b/.mailmap
index a9f4f28fba..9128fde9c5 100644
--- a/.mailmap
+++ b/.mailmap
@@ -1576,6 +1576,7 @@ Zhipeng Lu <luzhipeng@cestc.cn>
Zhirun Yan <zhirun.yan@intel.com>
Zhiwei He <zhiwei.he@intel.com>
Zhiyong Yang <zhiyong.yang@intel.com>
+Zhuobin Huang <zobin1999@gmail.com>
Zi Hu <huzilucky@gmail.com>
Zijie Pan <zijie.pan@6wind.com>
Ziyang Xuan <xuanziyang2@huawei.com>
diff --git a/app/test/packet_burst_generator.c b/app/test/packet_burst_generator.c
index 6b42b9b83b..940f6ddde8 100644
--- a/app/test/packet_burst_generator.c
+++ b/app/test/packet_burst_generator.c
@@ -350,6 +350,8 @@ generate_packet_burst_proto(struct rte_mempool *mp,
struct rte_mbuf *pkt_seg;
struct rte_mbuf *pkt;
+ const uint8_t pkt_seg_data_len = pkt_len / nb_pkt_segs;
+
for (nb_pkt = 0; nb_pkt < nb_pkt_per_burst; nb_pkt++) {
pkt = rte_pktmbuf_alloc(mp);
if (pkt == NULL) {
@@ -359,7 +361,7 @@ generate_packet_burst_proto(struct rte_mempool *mp,
break;
}
- pkt->data_len = pkt_len;
+ pkt->data_len = pkt_seg_data_len;
pkt_seg = pkt;
for (i = 1; i < nb_pkt_segs; i++) {
pkt_seg->next = rte_pktmbuf_alloc(mp);
@@ -369,7 +371,10 @@ generate_packet_burst_proto(struct rte_mempool *mp,
goto nomore_mbuf;
}
pkt_seg = pkt_seg->next;
- pkt_seg->data_len = pkt_len;
+ if (i != nb_pkt_segs - 1)
+ pkt_seg->data_len = pkt_seg_data_len;
+ else
+ pkt_seg->data_len = pkt_seg_data_len + pkt_len % nb_pkt_segs;
}
pkt_seg->next = NULL; /* Last segment of packet. */
--
2.34.1