patches for DPDK stable branches
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From: Lijun Ou <oulijun@huawei.com>
To: <luca.boccassi@gmail.com>, <stable@dpdk.org>
Cc: <linuxarm@huawei.com>
Subject: [dpdk-stable] [PATCH 19.11.6 08/13] net/hns3: report Tx descriptor segment limitations
Date: Fri, 13 Nov 2020 21:37:05 +0800
Message-ID: <1605274630-23414-9-git-send-email-oulijun@huawei.com> (raw)
In-Reply-To: <1605274630-23414-1-git-send-email-oulijun@huawei.com>

[ upstream commit eb8b3a0d829bc109dfb13de9c8cdeacda5449e69 ]

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 ed783f7..3129f74 100644
--- a/drivers/net/hns3/hns3_ethdev.c
+++ b/drivers/net/hns3/hns3_ethdev.c
@@ -2503,6 +2503,8 @@ 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 5663a58..8b36f18 100644
--- a/drivers/net/hns3/hns3_ethdev_vf.c
+++ b/drivers/net/hns3/hns3_ethdev_vf.c
@@ -965,6 +965,8 @@ 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


  parent reply	other threads:[~2020-11-13 13:37 UTC|newest]

Thread overview: 42+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-11-13 13:36 [dpdk-stable] [PATCH 19.11.6 00/13] backport for 19.11.6 Lijun Ou
2020-11-13 13:36 ` [dpdk-stable] [PATCH 19.11.6 01/13] net/hns3: support TSO Lijun Ou
2020-11-13 13:36 ` [dpdk-stable] [PATCH 19.11.6 02/13] net/hns3: check TSO segment size during Tx Lijun Ou
2020-11-13 13:37 ` [dpdk-stable] [PATCH 19.11.6 03/13] net/hns3: fix reassembling multiple segment packets in Tx Lijun Ou
2020-11-13 13:37 ` [dpdk-stable] [PATCH 19.11.6 04/13] net/hns3: support promiscuous and allmulticast mode for VF Lijun Ou
2020-11-13 13:37 ` [dpdk-stable] [PATCH 19.11.6 05/13] net/hns3: decrease non-nearby memory access in Rx Lijun Ou
2020-11-13 13:37 ` [dpdk-stable] [PATCH 19.11.6 06/13] net/hns3: cleanup duplicated code on processing TSO in Tx Lijun Ou
2020-11-13 13:37 ` [dpdk-stable] [PATCH 19.11.6 07/13] net/hns3: fix inserted VLAN tag position " Lijun Ou
2020-11-13 13:37 ` Lijun Ou [this message]
2020-11-13 13:37 ` [dpdk-stable] [PATCH 19.11.6 09/13] net/hns3: report Rx drop packets enable configuration Lijun Ou
2020-11-13 13:37 ` [dpdk-stable] [PATCH 19.11.6 10/13] net/hns3: report Rx free threshold Lijun Ou
2020-11-13 13:37 ` [dpdk-stable] [PATCH 19.11.6 11/13] net/hns3: reduce address calculation in Rx Lijun Ou
2020-11-13 13:37 ` [dpdk-stable] [PATCH 19.11.6 12/13] net/hns3: fix Tx checksum outer header prepare Lijun Ou
2020-11-13 13:37 ` [dpdk-stable] [PATCH 19.11.6 13/13] net/hns3: fix Tx checksum with fixed header length Lijun Ou
2020-11-23 15:52 ` [dpdk-stable] [PATCH 19.11.6 00/13] backport for 19.11.6 Luca Boccassi
2020-11-24 14:27   ` oulijun
2020-11-24 15:35     ` Luca Boccassi
2020-11-25  3:24 ` [dpdk-stable] [PATCH v2 19.11.6 0/7] " Lijun Ou
2020-11-25  3:24   ` [dpdk-stable] [PATCH v2 19.11.6 1/7] net/hns3: fix reassembling multiple segment packets in Tx Lijun Ou
2020-11-25  3:24   ` [dpdk-stable] [PATCH v2 19.11.6 2/7] net/hns3: decrease non-nearby memory access in Rx Lijun Ou
2020-11-25  3:24   ` [dpdk-stable] [PATCH v2 19.11.6 3/7] net/hns3: report Tx descriptor segment limitations Lijun Ou
2020-11-25  9:16     ` Luca Boccassi
2020-11-25 10:59       ` oulijun
2020-11-25  3:24   ` [dpdk-stable] [PATCH v2 19.11.6 4/7] net/hns3: report Rx drop packets enable configuration Lijun Ou
2020-11-25  3:24   ` [dpdk-stable] [PATCH v2 19.11.6 5/7] net/hns3: report Rx free threshold Lijun Ou
2020-11-25  3:24   ` [dpdk-stable] [PATCH v2 19.11.6 6/7] net/hns3: reduce address calculation in Rx Lijun Ou
2020-11-25  3:24   ` [dpdk-stable] [PATCH v2 19.11.6 7/7] net/hns3: fix TX checksum with fix header length Lijun Ou
2020-11-25 10:58   ` [dpdk-stable] [PATCH v3 19.11.6 0/6] backport for 19.11.6 Lijun Ou
2020-11-25 10:58     ` [dpdk-stable] [PATCH v3 19.11.6 1/6] net/hns3: fix reassembling multiple segment packets in Tx Lijun Ou
2020-11-25 10:58     ` [dpdk-stable] [PATCH v3 19.11.6 2/6] net/hns3: decrease non-nearby memory access in Rx Lijun Ou
2020-11-25 10:58     ` [dpdk-stable] [PATCH v3 19.11.6 3/6] net/hns3: report Rx drop packets enable configuration Lijun Ou
2020-11-25 10:58     ` [dpdk-stable] [PATCH v3 19.11.6 4/6] net/hns3: report Rx free threshold Lijun Ou
2020-11-25 10:58     ` [dpdk-stable] [PATCH v3 19.11.6 5/6] net/hns3: reduce address calculation in Rx Lijun Ou
2020-11-25 10:58     ` [dpdk-stable] [PATCH v3 19.11.6 6/6] net/hns3: fix TX checksum with fix header length Lijun Ou
2020-11-25 11:15     ` [dpdk-stable] [PATCH v4 19.11.6 0/6] backport for 19.11.6 Lijun Ou
2020-11-25 11:15       ` [dpdk-stable] [PATCH v4 19.11.6 1/6] net/hns3: fix reassembling multiple segment packets in Tx Lijun Ou
2020-11-25 11:15       ` [dpdk-stable] [PATCH v4 19.11.6 2/6] net/hns3: decrease non-nearby memory access in Rx Lijun Ou
2020-11-25 11:15       ` [dpdk-stable] [PATCH v4 19.11.6 3/6] net/hns3: report Rx drop packets enable configuration Lijun Ou
2020-11-25 11:15       ` [dpdk-stable] [PATCH v4 19.11.6 4/6] net/hns3: report Rx free threshold Lijun Ou
2020-11-25 11:15       ` [dpdk-stable] [PATCH v4 19.11.6 5/6] net/hns3: reduce address calculation in Rx Lijun Ou
2020-11-25 11:15       ` [dpdk-stable] [PATCH v4 19.11.6 6/6] net/hns3: fix TX checksum with fix header length Lijun Ou
2020-11-26  9:21       ` [dpdk-stable] [PATCH v4 19.11.6 0/6] backport for 19.11.6 Luca Boccassi

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