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SubjectRe: [PATCH net-next] bnxt: Don't print message, if DAC isn't connected on both ends
On Wed, 6 Dec 2017 11:27:31 -0800
Michael Chan <michael.chan@broadcom.com> wrote:

> On Tue, Dec 5, 2017 at 4:33 AM, Thomas Bogendoerfer
> <tbogendoerfer@suse.de> wrote:
> > bnxt driver spams logfiles with
> >
> > [ 541.003065] bnxt_en 0000:5d:00.1 eth5: Link speed -1 no longer supported
> >
> > if a direct attached cable (DAC) is plugged into the bnxt card and is
> > unplugged on the other side. This patch removes the code printing this
> > message, since it doesn't provide any useful information.
> >
> > Signed-off-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
> > ---
> > drivers/net/ethernet/broadcom/bnxt/bnxt.c | 9 ---------
> > 1 file changed, 9 deletions(-)
> >
> > diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
> > index 8c1dd60eab6f..8a2319ed79dc 100644
> > --- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c
> > +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
> > @@ -1701,18 +1701,9 @@ static int bnxt_async_event_process(struct bnxt *bp,
> > /* TODO CHIMP_FW: Define event id's for link change, error etc */
> > switch (event_id) {
> > case ASYNC_EVENT_CMPL_EVENT_ID_LINK_SPEED_CFG_CHANGE: {
> > - u32 data1 = le32_to_cpu(cmpl->event_data1);
> > - struct bnxt_link_info *link_info = &bp->link_info;
> > -
> > if (BNXT_VF(bp))
> > goto async_event_process_exit;
> > - if (data1 & 0x20000) {
> > - u16 fw_speed = link_info->force_link_speed;
> > - u32 speed = bnxt_fw_to_ethtool_speed(fw_speed);
> >
> > - netdev_warn(bp->dev, "Link speed %d no longer supported\n",
> > - speed);
> > - }
>
> This is supposed to provide useful information to the user under some
> conditions.

well, it will print the forced rate, if there is one configured and -1 otherwise,
if the link is lost or will not come up because of a cable problem. I don't see much
value in that...

Thomas.

--
SUSE Linux GmbH
GF: Felix Imendörffer, Jane Smithard, Graham Norton
HRB 21284 (AG Nürnberg)

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