[dpdk-dev] [PATCH 2/7] net/hns3: modify inappropriate names

Wei Hu (Xavier) huwei013 at chinasoftinc.com
Tue Mar 17 10:12:01 CET 2020


From: Chengchang Tang <tangchengchang at huawei.com>

This patch modifies the name of some macro and local variable to avoid
devil number and increase code readability in the internal interface
function named hns3_set_port_vlan_filter.

Signed-off-by: Chengchang Tang <tangchengchang at huawei.com>
Signed-off-by: Wei Hu (Xavier) <xavier.huwei at huawei.com>
---
 drivers/net/hns3/hns3_ethdev.c | 14 ++++++++------
 1 file changed, 8 insertions(+), 6 deletions(-)

diff --git a/drivers/net/hns3/hns3_ethdev.c b/drivers/net/hns3/hns3_ethdev.c
index 614a42466..15ef03cfe 100644
--- a/drivers/net/hns3/hns3_ethdev.c
+++ b/drivers/net/hns3/hns3_ethdev.c
@@ -232,23 +232,25 @@ hns3_interrupt_handler(void *param)
 static int
 hns3_set_port_vlan_filter(struct hns3_adapter *hns, uint16_t vlan_id, int on)
 {
-#define HNS3_VLAN_OFFSET_160		160
+#define HNS3_VLAN_ID_OFFSET_STEP	160
+#define HNS3_VLAN_BYTE_SIZE		8
 	struct hns3_vlan_filter_pf_cfg_cmd *req;
 	struct hns3_hw *hw = &hns->hw;
 	uint8_t vlan_offset_byte_val;
 	struct hns3_cmd_desc desc;
 	uint8_t vlan_offset_byte;
-	uint8_t vlan_offset_160;
+	uint8_t vlan_offset_base;
 	int ret;
 
 	hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_VLAN_FILTER_PF_CFG, false);
 
-	vlan_offset_160 = vlan_id / HNS3_VLAN_OFFSET_160;
-	vlan_offset_byte = (vlan_id % HNS3_VLAN_OFFSET_160) / 8;
-	vlan_offset_byte_val = 1 << (vlan_id % 8);
+	vlan_offset_base = vlan_id / HNS3_VLAN_ID_OFFSET_STEP;
+	vlan_offset_byte = (vlan_id % HNS3_VLAN_ID_OFFSET_STEP) /
+			   HNS3_VLAN_BYTE_SIZE;
+	vlan_offset_byte_val = 1 << (vlan_id % HNS3_VLAN_BYTE_SIZE);
 
 	req = (struct hns3_vlan_filter_pf_cfg_cmd *)desc.data;
-	req->vlan_offset = vlan_offset_160;
+	req->vlan_offset = vlan_offset_base;
 	req->vlan_cfg = on ? 0 : 1;
 	req->vlan_offset_bitmap[vlan_offset_byte] = vlan_offset_byte_val;
 
-- 
2.23.0



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