kernel/patches/0411-net-hns3-refactor-out-hclgevf_get_rss_tuple.patch
2023-11-17 14:19:46 +08:00

138 lines
4.1 KiB
Diff

From 40ebbda8bdcaa94f9a971b9546a54050e7f3ccf9 Mon Sep 17 00:00:00 2001
From: Jian Shen <shenjian15@huawei.com>
Date: Sat, 24 Jul 2021 15:43:39 +0800
Subject: [PATCH 050/283] net: hns3: refactor out hclgevf_get_rss_tuple()
mainline inclusion
from mainline-v5.12-rc1-dontuse
commit 73f7767ed0f93cd3269e7f5af75902a351faf5da
category: feature
bugzilla: https://gitee.com/src-openeuler/kernel/issues/I8EMQV
CVE: NA
Reference: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=73f7767ed0f93cd3269e7f5af75902a351faf5da
----------------------------------------------------------------------
To improve code readability and maintainability, separate
the flow type parsing part and the converting part from
bloated hclgevf_get_rss_tuple().
Signed-off-by: Jian Shen <shenjian15@huawei.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Reviewed-by: Yongxin Li <liyongxin1@huawei.com>
Signed-off-by: Junxin Chen <chenjunxin1@huawei.com>
Signed-off-by: Zheng Zengkai <zhengzengkai@huawei.com>
Signed-off-by: Xiaodong Li <lixiaodong67@huawei.com>
---
.../hisilicon/hns3/hns3vf/hclgevf_main.c | 67 ++++++++++++-------
1 file changed, 42 insertions(+), 25 deletions(-)
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c
index f688217d4c59..accec5762d91 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c
@@ -962,56 +962,73 @@ static int hclgevf_set_rss_tuple(struct hnae3_handle *handle,
return 0;
}
-static int hclgevf_get_rss_tuple(struct hnae3_handle *handle,
- struct ethtool_rxnfc *nfc)
+static int hclgevf_get_rss_tuple_by_flow_type(struct hclgevf_dev *hdev,
+ int flow_type, u8 *tuple_sets)
{
- struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle);
- struct hclgevf_rss_cfg *rss_cfg = &hdev->rss_cfg;
- u8 tuple_sets;
-
- if (hdev->ae_dev->dev_version < HNAE3_DEVICE_VERSION_V2)
- return -EOPNOTSUPP;
-
- nfc->data = 0;
-
- switch (nfc->flow_type) {
+ switch (flow_type) {
case TCP_V4_FLOW:
- tuple_sets = rss_cfg->rss_tuple_sets.ipv4_tcp_en;
+ *tuple_sets = hdev->rss_cfg.rss_tuple_sets.ipv4_tcp_en;
break;
case UDP_V4_FLOW:
- tuple_sets = rss_cfg->rss_tuple_sets.ipv4_udp_en;
+ *tuple_sets = hdev->rss_cfg.rss_tuple_sets.ipv4_udp_en;
break;
case TCP_V6_FLOW:
- tuple_sets = rss_cfg->rss_tuple_sets.ipv6_tcp_en;
+ *tuple_sets = hdev->rss_cfg.rss_tuple_sets.ipv6_tcp_en;
break;
case UDP_V6_FLOW:
- tuple_sets = rss_cfg->rss_tuple_sets.ipv6_udp_en;
+ *tuple_sets = hdev->rss_cfg.rss_tuple_sets.ipv6_udp_en;
break;
case SCTP_V4_FLOW:
- tuple_sets = rss_cfg->rss_tuple_sets.ipv4_sctp_en;
+ *tuple_sets = hdev->rss_cfg.rss_tuple_sets.ipv4_sctp_en;
break;
case SCTP_V6_FLOW:
- tuple_sets = rss_cfg->rss_tuple_sets.ipv6_sctp_en;
+ *tuple_sets = hdev->rss_cfg.rss_tuple_sets.ipv6_sctp_en;
break;
case IPV4_FLOW:
case IPV6_FLOW:
- tuple_sets = HCLGEVF_S_IP_BIT | HCLGEVF_D_IP_BIT;
+ *tuple_sets = HCLGEVF_S_IP_BIT | HCLGEVF_D_IP_BIT;
break;
default:
return -EINVAL;
}
- if (!tuple_sets)
- return 0;
+ return 0;
+}
+
+static u64 hclgevf_convert_rss_tuple(u8 tuple_sets)
+{
+ u64 tuple_data = 0;
if (tuple_sets & HCLGEVF_D_PORT_BIT)
- nfc->data |= RXH_L4_B_2_3;
+ tuple_data |= RXH_L4_B_2_3;
if (tuple_sets & HCLGEVF_S_PORT_BIT)
- nfc->data |= RXH_L4_B_0_1;
+ tuple_data |= RXH_L4_B_0_1;
if (tuple_sets & HCLGEVF_D_IP_BIT)
- nfc->data |= RXH_IP_DST;
+ tuple_data |= RXH_IP_DST;
if (tuple_sets & HCLGEVF_S_IP_BIT)
- nfc->data |= RXH_IP_SRC;
+ tuple_data |= RXH_IP_SRC;
+
+ return tuple_data;
+}
+
+static int hclgevf_get_rss_tuple(struct hnae3_handle *handle,
+ struct ethtool_rxnfc *nfc)
+{
+ struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle);
+ u8 tuple_sets;
+ int ret;
+
+ if (hdev->ae_dev->dev_version < HNAE3_DEVICE_VERSION_V2)
+ return -EOPNOTSUPP;
+
+ nfc->data = 0;
+
+ ret = hclgevf_get_rss_tuple_by_flow_type(hdev, nfc->flow_type,
+ &tuple_sets);
+ if (ret || !tuple_sets)
+ return ret;
+
+ nfc->data = hclgevf_convert_rss_tuple(tuple_sets);
return 0;
}
--
2.34.1