!2890 net: ipv6: addrconf: Add the IPv6 link local address of the UB port.

Merge Pull Request from: @li-jiewei999 
 

drivers inclusion
category: bugfix
bugzilla: https://gitee.com/openeuler/kernel/issues/I8H6KX


CVE: NA

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1、In the kernel, use the high 24 bits (OUT) and low 40 bits (serial number) of 
the GUID to generate the IPv6 link local address of the UB port.

Signed-off-by: Ge Hu <huge4@huawei.com>
Signed-off-by: Zhongyuan Zhou <zhouzhongyuan1@huawei.com>
Signed-off-by: Yutian Jiang <jiangyutian1@huawei.com>
Signed-off-by: Jeiwei Li <lijiewei5@huawei.com>
 
Link:https://gitee.com/openeuler/kernel/pulls/2890

 

Reviewed-by: Yue Haibing <yuehaibing@huawei.com>
Reviewed-by: Lin Yunsheng <linyunsheng@huawei.com>
Signed-off-by: Jialin Zhang <zhangjialin11@huawei.com>