From: "Wei Hu (Xavier)" <xavier.huwei@huawei.com>
To: <dev@dpdk.org>
Cc: <xavier.huwei@huawei.com>
Subject: [dpdk-dev] [PATCH 07/10] net/hns3: report Tx descriptor segment limitations
Date: Wed, 1 Jul 2020 19:54:39 +0800 [thread overview]
Message-ID: <1593604482-47494-8-git-send-email-xavier.huwei@huawei.com> (raw)
In-Reply-To: <1593604482-47494-1-git-send-email-xavier.huwei@huawei.com>
From: Lijun Ou <oulijun@huawei.com>
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>
---
drivers/net/hns3/hns3_ethdev.c | 2 ++
drivers/net/hns3/hns3_ethdev_vf.c | 2 ++
2 files changed, 4 insertions(+)
diff --git a/drivers/net/hns3/hns3_ethdev.c b/drivers/net/hns3/hns3_ethdev.c
index 1c234da..7bc9b17 100644
--- a/drivers/net/hns3/hns3_ethdev.c
+++ b/drivers/net/hns3/hns3_ethdev.c
@@ -2494,6 +2494,8 @@ 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;
diff --git a/drivers/net/hns3/hns3_ethdev_vf.c b/drivers/net/hns3/hns3_ethdev_vf.c
index 04a8364..9c45ffa 100644
--- a/drivers/net/hns3/hns3_ethdev_vf.c
+++ b/drivers/net/hns3/hns3_ethdev_vf.c
@@ -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;
--
2.7.4
next prev parent reply other threads:[~2020-07-01 11:57 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-07-01 11:54 [dpdk-dev] [PATCH 00/10] misc updates for hns3 PMD driver Wei Hu (Xavier)
2020-07-01 11:54 ` [dpdk-dev] [PATCH 01/10] net/hns3: support symmetric RSS Wei Hu (Xavier)
2020-07-01 11:54 ` [dpdk-dev] [PATCH 02/10] net/hns3: support LRO Wei Hu (Xavier)
2020-07-01 11:54 ` [dpdk-dev] [PATCH 03/10] net/hns3: decrease non-nearby memory access in Rx Wei Hu (Xavier)
2020-07-01 11:54 ` [dpdk-dev] [PATCH 04/10] net/hns3: support setting VF PVID by PF driver Wei Hu (Xavier)
2020-07-01 11:54 ` [dpdk-dev] [PATCH 05/10] net/hns3: get device capability in primary process Wei Hu (Xavier)
2020-07-01 11:54 ` [dpdk-dev] [PATCH 06/10] net/hns3: clear residual hardware configurations on init Wei Hu (Xavier)
2020-07-01 11:54 ` Wei Hu (Xavier) [this message]
2020-07-01 11:54 ` [dpdk-dev] [PATCH 08/10] net/hns3: fix Rx buffer size Wei Hu (Xavier)
2020-07-01 11:54 ` [dpdk-dev] [PATCH 09/10] net/hns3: fix reassembling multiple segment packets in Tx Wei Hu (Xavier)
2020-07-01 11:54 ` [dpdk-dev] [PATCH 10/10] net/hns3: add Scattered Rx and Multiprocess to feature list Wei Hu (Xavier)
2020-07-03 8:30 ` [dpdk-dev] [PATCH 00/10] misc updates for hns3 PMD driver Ferruh Yigit
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