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net/hns3: report Tx descriptor segment limitations

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According to the user manual of Kunpeng920 SoC, the max allowed number
of segments per whole packet is 63 and the max number of segments per
packet is 8 in datapath.

This patch reports the Two segment parameters of Tx descriptor
limitations to DPDK framework.

Signed-off-by: Lijun Ou <oulijun@huawei.com>
Signed-off-by: Wei Hu (Xavier) <xavier.huwei@huawei.com>
This commit is contained in:
Lijun Ou 2020-07-01 19:54:39 +08:00 committed by Ferruh Yigit
parent 223d9eceae
commit eb8b3a0d82
2 changed files with 4 additions and 0 deletions
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2
drivers/net/hns3/hns3_ethdev.c
View File

@ -2491,6 +2491,8 @@ hns3_dev_infos_get(struct rte_eth_dev *eth_dev, struct rte_eth_dev_info *info)
.nb_max = HNS3_MAX_RING_DESC,
.nb_min = HNS3_MIN_RING_DESC,
.nb_align = HNS3_ALIGN_RING_DESC,
.nb_seg_max = HNS3_MAX_TSO_BD_PER_PKT,
.nb_mtu_seg_max = HNS3_MAX_NON_TSO_BD_PER_PKT,
};
info->vmdq_queue_num = 0;

2
drivers/net/hns3/hns3_ethdev_vf.c
View File

@ -944,6 +944,8 @@ hns3vf_dev_infos_get(struct rte_eth_dev *eth_dev, struct rte_eth_dev_info *info)
.nb_max = HNS3_MAX_RING_DESC,
.nb_min = HNS3_MIN_RING_DESC,
.nb_align = HNS3_ALIGN_RING_DESC,
.nb_seg_max = HNS3_MAX_TSO_BD_PER_PKT,
.nb_mtu_seg_max = HNS3_MAX_NON_TSO_BD_PER_PKT,
};
info->vmdq_queue_num = 0;