diff options
| author | Weihang Li <liweihang@hisilicon.com> | 2019-06-20 16:52:42 +0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2019-06-26 11:59:02 -0400 |
| commit | 987b4ae78e4268d22b279f65d80cc541f9f0eb53 (patch) | |
| tree | e1c46571849deb539f19d186264d1638678c7e3a /drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_err.h | |
| parent | 9d5e67d1c191831da79f0a8bcff029151e3fe54b (diff) | |
net: hns3: add check to number of buffer descriptors
This patch adds check to number of bds before we allocate memory for
them. If we get an invalid bd num in some cases, it will cause a memory
overflow.
Signed-off-by: Weihang Li <liweihang@hisilicon.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_err.h')
| -rw-r--r-- | drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_err.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_err.h b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_err.h index db318a4aaf2f..7ea8bb28a0cb 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_err.h +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_err.h @@ -6,6 +6,11 @@ #include "hclge_main.h" +#define HCLGE_MPF_RAS_INT_MIN_BD_NUM 10 +#define HCLGE_PF_RAS_INT_MIN_BD_NUM 4 +#define HCLGE_MPF_MSIX_INT_MIN_BD_NUM 10 +#define HCLGE_PF_MSIX_INT_MIN_BD_NUM 4 + #define HCLGE_RAS_PF_OTHER_INT_STS_REG 0x20B00 #define HCLGE_RAS_REG_NFE_MASK 0xFF00 #define HCLGE_RAS_REG_ROCEE_ERR_MASK 0x3000000 |