net: hns3: fix wrong combined count returned by ethtool -l
authorHuazhong Tan <tanhuazhong@huawei.com>
Fri, 18 Jan 2019 08:13:12 +0000 (16:13 +0800)
committerDavid S. Miller <davem@davemloft.net>
Fri, 18 Jan 2019 23:10:22 +0000 (15:10 -0800)
The current code returns the number of all queues that can be used and
the number of queues that have been allocated, which is incorrect.
What should be returned is the number of queues allocated for each enabled
TC and the number of queues that can be allocated.

This patch fixes it.

Fixes: 482d2e9c1cc7 ("net: hns3: add support to query tqps number")
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: Yunsheng Lin <linyunsheng@huawei.com>
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c

index 9506c52730108eb00f2a7977da9a946a024f2082..450094cc4b28db39aec5a046f7f7138f5de1f7cf 100644 (file)
@@ -7510,18 +7510,17 @@ static u32 hclge_get_max_channels(struct hnae3_handle *handle)
        struct hclge_vport *vport = hclge_get_vport(handle);
        struct hclge_dev *hdev = vport->back;
 
-       return min_t(u32, hdev->rss_size_max * kinfo->num_tc, hdev->num_tqps);
+       return min_t(u32, hdev->rss_size_max,
+                    vport->alloc_tqps / kinfo->num_tc);
 }
 
 static void hclge_get_channels(struct hnae3_handle *handle,
                               struct ethtool_channels *ch)
 {
-       struct hclge_vport *vport = hclge_get_vport(handle);
-
        ch->max_combined = hclge_get_max_channels(handle);
        ch->other_count = 1;
        ch->max_other = 1;
-       ch->combined_count = vport->alloc_tqps;
+       ch->combined_count = handle->kinfo.rss_size;
 }
 
 static void hclge_get_tqps_and_rss_info(struct hnae3_handle *handle,