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authorYunsheng Lin <linyunsheng@huawei.com>2019-01-23 07:39:30 +0800
committerDavid S. Miller <davem@davemloft.net>2019-01-23 11:13:01 -0800
commit90c68a41db7d02ac031e612c0c97147a58e20515 (patch)
treee3cfc5d713c9731ce35e2934ce1bec0e407f219c
parentd3ec4ef669379bf69891415b4f1397a26a81932c (diff)
net: hns3: fix rss configuration lost problem when setting channel
Currently rss configuration set by user will be lost when setting channel. This patch fixes it by not setting rss configuration to default if user has configured the rss. Fixes: 09f2af6405b8 ("net: hns3: add support to modify tqps number") Signed-off-by: Yunsheng Lin <linyunsheng@huawei.com> Signed-off-by: Peng Li <lipeng321@huawei.com> Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--drivers/net/ethernet/hisilicon/hns3/hnae3.h3
-rw-r--r--drivers/net/ethernet/hisilicon/hns3/hns3_enet.c6
-rw-r--r--drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c8
3 files changed, 13 insertions, 4 deletions
diff --git a/drivers/net/ethernet/hisilicon/hns3/hnae3.h b/drivers/net/ethernet/hisilicon/hns3/hnae3.h
index d486748d5883..dc3db45361d3 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hnae3.h
+++ b/drivers/net/ethernet/hisilicon/hns3/hnae3.h
@@ -433,7 +433,8 @@ struct hnae3_ae_ops {
struct ethtool_channels *ch);
void (*get_tqps_and_rss_info)(struct hnae3_handle *h,
u16 *alloc_tqps, u16 *max_rss_size);
- int (*set_channels)(struct hnae3_handle *handle, u32 new_tqps_num);
+ int (*set_channels)(struct hnae3_handle *handle, u32 new_tqps_num,
+ bool rxfh_configured);
void (*get_flowctrl_adv)(struct hnae3_handle *handle,
u32 *flowctrl_adv);
int (*set_led_id)(struct hnae3_handle *handle,
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
index 1f15864fb8db..544f0d2f1e12 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
@@ -4163,6 +4163,7 @@ int hns3_set_channels(struct net_device *netdev,
{
struct hnae3_handle *h = hns3_get_handle(netdev);
struct hnae3_knic_private_info *kinfo = &h->kinfo;
+ bool rxfh_configured = netif_is_rxfh_configured(netdev);
u32 new_tqp_num = ch->combined_count;
u16 org_tqp_num;
int ret;
@@ -4190,9 +4191,10 @@ int hns3_set_channels(struct net_device *netdev,
return ret;
org_tqp_num = h->kinfo.num_tqps;
- ret = h->ae_algo->ops->set_channels(h, new_tqp_num);
+ ret = h->ae_algo->ops->set_channels(h, new_tqp_num, rxfh_configured);
if (ret) {
- ret = h->ae_algo->ops->set_channels(h, org_tqp_num);
+ ret = h->ae_algo->ops->set_channels(h, org_tqp_num,
+ rxfh_configured);
if (ret) {
/* If revert to old tqp failed, fatal error occurred */
dev_err(&netdev->dev,
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
index bf0931c6764f..3ba8de93bc3d 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
@@ -7518,7 +7518,8 @@ static void hclge_get_tqps_and_rss_info(struct hnae3_handle *handle,
*max_rss_size = hdev->rss_size_max;
}
-static int hclge_set_channels(struct hnae3_handle *handle, u32 new_tqps_num)
+static int hclge_set_channels(struct hnae3_handle *handle, u32 new_tqps_num,
+ bool rxfh_configured)
{
struct hclge_vport *vport = hclge_get_vport(handle);
struct hnae3_knic_private_info *kinfo = &vport->nic.kinfo;
@@ -7557,6 +7558,10 @@ static int hclge_set_channels(struct hnae3_handle *handle, u32 new_tqps_num)
if (ret)
return ret;
+ /* RSS indirection table has been configuared by user */
+ if (rxfh_configured)
+ goto out;
+
/* Reinitializes the rss indirect table according to the new RSS size */
rss_indir = kcalloc(HCLGE_RSS_IND_TBL_SIZE, sizeof(u32), GFP_KERNEL);
if (!rss_indir)
@@ -7572,6 +7577,7 @@ static int hclge_set_channels(struct hnae3_handle *handle, u32 new_tqps_num)
kfree(rss_indir);
+out:
if (!ret)
dev_info(&hdev->pdev->dev,
"Channels changed, rss_size from %d to %d, tqps from %d to %d",