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authorJakub Kicinski <kuba@kernel.org>2021-11-26 11:36:31 -0800
committerJakub Kicinski <kuba@kernel.org>2021-11-26 11:36:32 -0800
commitb32e521eb5342dc2b1ab60a6aee15b534b2f1430 (patch)
treeaa2f8ff8ce9a1cd4ef1342f56232ce4bc72b430a
parentnet: qed: fix the array may be out of bound (diff)
parentnet: hns3: fix incorrect components info of ethtool --reset command (diff)
downloadwireguard-linux-b32e521eb5342dc2b1ab60a6aee15b534b2f1430.tar.xz
wireguard-linux-b32e521eb5342dc2b1ab60a6aee15b534b2f1430.zip
Merge branch 'net-hns3-add-some-fixes-for-net'
Guangbin Huang says: ==================== net: hns3: add some fixes for -net This series adds some fixes for the HNS3 ethernet driver. ==================== Link: https://lore.kernel.org/r/20211126120318.33921-1-huangguangbin2@huawei.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
-rw-r--r--drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c8
-rw-r--r--drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c4
-rw-r--r--drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c4
3 files changed, 13 insertions, 3 deletions
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c b/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c
index 67364ab63a1f..081295bff765 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c
@@ -1081,7 +1081,8 @@ static void hns3_dump_page_pool_info(struct hns3_enet_ring *ring,
u32 j = 0;
sprintf(result[j++], "%u", index);
- sprintf(result[j++], "%u", ring->page_pool->pages_state_hold_cnt);
+ sprintf(result[j++], "%u",
+ READ_ONCE(ring->page_pool->pages_state_hold_cnt));
sprintf(result[j++], "%u",
atomic_read(&ring->page_pool->pages_state_release_cnt));
sprintf(result[j++], "%u", ring->page_pool->p.pool_size);
@@ -1106,6 +1107,11 @@ hns3_dbg_page_pool_info(struct hnae3_handle *h, char *buf, int len)
return -EFAULT;
}
+ if (!priv->ring[h->kinfo.num_tqps].page_pool) {
+ dev_err(&h->pdev->dev, "page pool is not initialized\n");
+ return -EFAULT;
+ }
+
for (i = 0; i < ARRAY_SIZE(page_pool_info_items); i++)
result[i] = &data_str[i][0];
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c b/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c
index c8442b86df94..c9b4568d7a8d 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c
@@ -987,6 +987,7 @@ static int hns3_set_reset(struct net_device *netdev, u32 *flags)
struct hnae3_ae_dev *ae_dev = pci_get_drvdata(h->pdev);
const struct hnae3_ae_ops *ops = h->ae_algo->ops;
const struct hns3_reset_type_map *rst_type_map;
+ enum ethtool_reset_flags rst_flags;
u32 i, size;
if (ops->ae_dev_resetting && ops->ae_dev_resetting(h))
@@ -1006,6 +1007,7 @@ static int hns3_set_reset(struct net_device *netdev, u32 *flags)
for (i = 0; i < size; i++) {
if (rst_type_map[i].rst_flags == *flags) {
rst_type = rst_type_map[i].rst_type;
+ rst_flags = rst_type_map[i].rst_flags;
break;
}
}
@@ -1021,6 +1023,8 @@ static int hns3_set_reset(struct net_device *netdev, u32 *flags)
ops->reset_event(h->pdev, h);
+ *flags &= ~rst_flags;
+
return 0;
}
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c
index 25c419d40066..41afaeea881b 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c
@@ -703,9 +703,9 @@ static int hclgevf_set_rss_tc_mode(struct hclgevf_dev *hdev, u16 rss_size)
roundup_size = ilog2(roundup_size);
for (i = 0; i < HCLGEVF_MAX_TC_NUM; i++) {
- tc_valid[i] = !!(hdev->hw_tc_map & BIT(i));
+ tc_valid[i] = 1;
tc_size[i] = roundup_size;
- tc_offset[i] = rss_size * i;
+ tc_offset[i] = (hdev->hw_tc_map & BIT(i)) ? rss_size * i : 0;
}
hclgevf_cmd_setup_basic_desc(&desc, HCLGEVF_OPC_RSS_TC_MODE, false);