diff options
| author | Yufeng Mo <moyufeng@huawei.com> | 2021-11-24 09:06:52 +0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2021-11-24 14:12:26 +0000 |
| commit | 4f331fda35f1695af8ddd8180edc948880def74b (patch) | |
| tree | 9e015cc0fbbeeec7ee9405dc00935cb3b20f9b29 /drivers/net/ethernet/hisilicon/hns3/hnae3.h | |
| parent | d9069dab207534d9f6f41993ee78a651733becea (diff) | |
| download | linux-4f331fda35f1695af8ddd8180edc948880def74b.tar.bz2 | |
net: hns3: format the output of the MAC address
Printing the whole MAC addresse may bring security risks. Therefore,
the MAC address is partially encrypted to improve security.
Signed-off-by: Yufeng Mo <moyufeng@huawei.com>
Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/hisilicon/hns3/hnae3.h')
| -rw-r--r-- | drivers/net/ethernet/hisilicon/hns3/hnae3.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/net/ethernet/hisilicon/hns3/hnae3.h b/drivers/net/ethernet/hisilicon/hns3/hnae3.h index 3f7a9a4c59d5..54caf0dd1204 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hnae3.h +++ b/drivers/net/ethernet/hisilicon/hns3/hnae3.h @@ -859,6 +859,20 @@ struct hnae3_handle { #define hnae3_get_bit(origin, shift) \ hnae3_get_field(origin, 0x1 << (shift), shift) +#define HNAE3_FORMAT_MAC_ADDR_LEN 18 +#define HNAE3_FORMAT_MAC_ADDR_OFFSET_0 0 +#define HNAE3_FORMAT_MAC_ADDR_OFFSET_4 4 +#define HNAE3_FORMAT_MAC_ADDR_OFFSET_5 5 + +static inline void hnae3_format_mac_addr(char *format_mac_addr, + const u8 *mac_addr) +{ + snprintf(format_mac_addr, HNAE3_FORMAT_MAC_ADDR_LEN, "%02x:**:**:**:%02x:%02x", + mac_addr[HNAE3_FORMAT_MAC_ADDR_OFFSET_0], + mac_addr[HNAE3_FORMAT_MAC_ADDR_OFFSET_4], + mac_addr[HNAE3_FORMAT_MAC_ADDR_OFFSET_5]); +} + int hnae3_register_ae_dev(struct hnae3_ae_dev *ae_dev); void hnae3_unregister_ae_dev(struct hnae3_ae_dev *ae_dev); |