Re: [PATCH v2 net-next 3/7] devlink: Add macro for "hw.addr" to info_get cb.

[Jiri Pirko <jiri@resnulli.us>]

Thu, Mar 26, 2020 at 07:27:00AM CET, vasundhara-v.volam@broadcom.com wrote:
>Add definition and documentation for the new generic info "hw.addr".
>"hw.addr" displays the hardware address of the interface.
>
>Cc: Jiri Pirko <jiri@mellanox.com>
>Signed-off-by: Vasundhara Volam <vasundhara-v.volam@broadcom.com>
>Signed-off-by: Michael Chan <michael.chan@broadcom.com>
>---
> Documentation/networking/devlink/devlink-info.rst | 5 +++++
> include/net/devlink.h                             | 3 +++
> 2 files changed, 8 insertions(+)
>
>diff --git a/Documentation/networking/devlink/devlink-info.rst b/Documentation/networking/devlink/devlink-info.rst
>index 650e2c0e3..56d13c5 100644
>--- a/Documentation/networking/devlink/devlink-info.rst
>+++ b/Documentation/networking/devlink/devlink-info.rst
>@@ -144,6 +144,11 @@ board.manufacture
> 
> An identifier of the company or the facility which produced the part.
> 
>+hw.addr
>+-------
>+
>+Hardware address of the interface.
>+
> fw
> --
> 
>diff --git a/include/net/devlink.h b/include/net/devlink.h
>index d51482f..c9383f4 100644
>--- a/include/net/devlink.h
>+++ b/include/net/devlink.h
>@@ -476,6 +476,9 @@ enum devlink_param_generic_id {
> /* Revision of asic design */
> #define DEVLINK_INFO_VERSION_GENERIC_ASIC_REV	"asic.rev"
> 
>+/* Hardware address */
>+#define DEVLINK_INFO_VERSION_GENERIC_HW_ADDR	"hw.addr"

Wait a second. Is this a MAC. I don't understand why MAC would be here.
If not MAC, what is exactly this address about?


>+
> /* Overall FW version */
> #define DEVLINK_INFO_VERSION_GENERIC_FW		"fw"
> /* Overall FW interface specification version */
>-- 
>1.8.3.1
>