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

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Date:   Thu, 26 Mar 2020 16:32:43 +0530
From:   Vasundhara Volam <vasundhara-v.volam@...adcom.com>
To:     Jiri Pirko <jiri@...nulli.us>
Cc:     David Miller <davem@...emloft.net>,
        Netdev <netdev@...r.kernel.org>, Jiri Pirko <jiri@...lanox.com>,
        Michael Chan <michael.chan@...adcom.com>
Subject: Re: [PATCH v2 net-next 3/7] devlink: Add macro for "hw.addr" to
 info_get cb.

On Thu, Mar 26, 2020 at 2:56 PM Jiri Pirko <jiri@...nulli.us> wrote:
>
> Thu, Mar 26, 2020 at 07:27:00AM CET, vasundhara-v.volam@...adcom.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@...lanox.com>
> >Signed-off-by: Vasundhara Volam <vasundhara-v.volam@...adcom.com>
> >Signed-off-by: Michael Chan <michael.chan@...adcom.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.
Yes, this is MAC address. Since, most of the information is displayed
via info_get
as one place. Would like to display MAC address as well under info_get.

Thanks,
Vasundhara


> 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
> >