[PATCH AUTOSEL for 4.9 101/219] net: hns: Correct HNS RSS key set function
From: Sasha Levin
Date: Sat Mar 03 2018 - 18:48:44 EST
From: lipeng <lipeng321@xxxxxxxxxx>
[ Upstream commit 64ec10dc2ab8ef5bc6e76b1d4bc8203c08a6da1e ]
This patch fixes below ethtool configuration error:
localhost:~ # ethtool -X eth0 hkey XX:XX:XX...
Cannot set Rx flow hash configuration: Operation not supported
Signed-off-by: lipeng <lipeng321@xxxxxxxxxx>
Reviewed-by: Yisen Zhuang <yisen.zhuang@xxxxxxxxxx>
Signed-off-by: Salil Mehta <salil.mehta@xxxxxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <alexander.levin@xxxxxxxxxxxxx>
---
drivers/net/ethernet/hisilicon/hns/hns_ae_adapt.c | 23 ++++++++++++++---------
drivers/net/ethernet/hisilicon/hns/hns_ethtool.c | 9 ++++-----
2 files changed, 18 insertions(+), 14 deletions(-)
diff --git a/drivers/net/ethernet/hisilicon/hns/hns_ae_adapt.c b/drivers/net/ethernet/hisilicon/hns/hns_ae_adapt.c
index 2d0cb609adc3..b7c8433a7a37 100644
--- a/drivers/net/ethernet/hisilicon/hns/hns_ae_adapt.c
+++ b/drivers/net/ethernet/hisilicon/hns/hns_ae_adapt.c
@@ -773,8 +773,9 @@ static int hns_ae_get_rss(struct hnae_handle *handle, u32 *indir, u8 *key,
memcpy(key, ppe_cb->rss_key, HNS_PPEV2_RSS_KEY_SIZE);
/* update the current hash->queue mappings from the shadow RSS table */
- memcpy(indir, ppe_cb->rss_indir_table,
- HNS_PPEV2_RSS_IND_TBL_SIZE * sizeof(*indir));
+ if (indir)
+ memcpy(indir, ppe_cb->rss_indir_table,
+ HNS_PPEV2_RSS_IND_TBL_SIZE * sizeof(*indir));
return 0;
}
@@ -785,15 +786,19 @@ static int hns_ae_set_rss(struct hnae_handle *handle, const u32 *indir,
struct hns_ppe_cb *ppe_cb = hns_get_ppe_cb(handle);
/* set the RSS Hash Key if specififed by the user */
- if (key)
- hns_ppe_set_rss_key(ppe_cb, (u32 *)key);
+ if (key) {
+ memcpy(ppe_cb->rss_key, key, HNS_PPEV2_RSS_KEY_SIZE);
+ hns_ppe_set_rss_key(ppe_cb, ppe_cb->rss_key);
+ }
- /* update the shadow RSS table with user specified qids */
- memcpy(ppe_cb->rss_indir_table, indir,
- HNS_PPEV2_RSS_IND_TBL_SIZE * sizeof(*indir));
+ if (indir) {
+ /* update the shadow RSS table with user specified qids */
+ memcpy(ppe_cb->rss_indir_table, indir,
+ HNS_PPEV2_RSS_IND_TBL_SIZE * sizeof(*indir));
- /* now update the hardware */
- hns_ppe_set_indir_table(ppe_cb, ppe_cb->rss_indir_table);
+ /* now update the hardware */
+ hns_ppe_set_indir_table(ppe_cb, ppe_cb->rss_indir_table);
+ }
return 0;
}
diff --git a/drivers/net/ethernet/hisilicon/hns/hns_ethtool.c b/drivers/net/ethernet/hisilicon/hns/hns_ethtool.c
index 87d5c94b2810..8490cba230bd 100644
--- a/drivers/net/ethernet/hisilicon/hns/hns_ethtool.c
+++ b/drivers/net/ethernet/hisilicon/hns/hns_ethtool.c
@@ -1243,6 +1243,7 @@ hns_set_rss(struct net_device *netdev, const u32 *indir, const u8 *key,
{
struct hns_nic_priv *priv = netdev_priv(netdev);
struct hnae_ae_ops *ops;
+ int ret;
if (AE_IS_VER1(priv->enet_ver)) {
netdev_err(netdev,
@@ -1252,12 +1253,10 @@ hns_set_rss(struct net_device *netdev, const u32 *indir, const u8 *key,
ops = priv->ae_handle->dev->ops;
- /* currently hfunc can only be Toeplitz hash */
- if (key ||
- (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP))
+ if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP) {
+ netdev_err(netdev, "Invalid hfunc!\n");
return -EOPNOTSUPP;
- if (!indir)
- return 0;
+ }
return ops->set_rss(priv->ae_handle, indir, key, hfunc);
}
--
2.14.1