net: hns3: refactor dump reg dcb info of debugfs
Currently, the debugfs command for reg dcb info is implemented by "echo xxxx > cmd", and record the information in dmesg. It's unnecessary and heavy. To improve it, create a single file "dcb" for it, and query it by command "cat dcb", return the result to userspace, rather than record in dmesg. The display style is below: $ cat dcb qset_id roce_qset_mask nic_qset_mask qset_shaping_pass qset_bp_status 0000 0x1 0x1 0x1 0x0 0001 0x1 0x1 0x1 0x0 0002 0x1 0x1 0x1 0x0 0003 0x1 0x1 0x1 0x0 0004 0x1 0x1 0x1 0x0 0005 0x1 0x1 0x1 0x0 0006 0x1 0x1 0x1 0x0 0007 0x1 0x1 0x1 0x0 pri_id pri_mask pri_cshaping_pass pri_pshaping_pass 000 0x1 0x0 0x1 001 0x1 0x0 0x0 002 0x1 0x0 0x0 003 0x1 0x0 0x0 004 0x1 0x0 0x0 005 0x1 0x0 0x0 006 0x1 0x0 0x0 007 0x1 0x0 0x0 pg_id pg_mask pg_cshaping_pass pg_pshaping_pass 000 0x1 0x0 0x1 Signed-off-by: Yufeng Mo <moyufeng@huawei.com> Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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