Re: [PATCH v1 11/11] IB/rxe: Handle NETDEV_CHANGE events

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On Mon, Aug 28, 2017 at 09:37:08AM -0400, Doug Ledford wrote:
> On 8/28/2017 8:38 AM, Boyer, Andrew wrote:
> > 
> > On 8/27/17, 6:30 AM, "Yuval Shaia" <yuval.shaia@xxxxxxxxxx> wrote:
> > 
> >> On Fri, Aug 25, 2017 at 03:05:56PM -0400, Andrew Boyer wrote:
> >>> Without this fix, ports configured on top of ixgbe miss link up
> >>> notifications. ibv_query_port() will continue to return IBV_PORT_DOWN
> >>> even
> >>> though the port is up and working.
> >>>
> >>> Fixes: 8700e3e7c485 ("Soft RoCE driver")
> >>> Signed-off-by: Andrew Boyer <andrew.boyer@xxxxxxxx>
> >>> ---
> >>>  drivers/infiniband/sw/rxe/rxe_net.c | 7 ++++++-
> >>>  1 file changed, 6 insertions(+), 1 deletion(-)
> >>>
> >>> diff --git a/drivers/infiniband/sw/rxe/rxe_net.c
> >>> b/drivers/infiniband/sw/rxe/rxe_net.c
> >>> index 3ba76e7..133c6c4 100644
> >>> --- a/drivers/infiniband/sw/rxe/rxe_net.c
> >>> +++ b/drivers/infiniband/sw/rxe/rxe_net.c
> >>> @@ -651,8 +651,13 @@ static int rxe_notify(struct notifier_block
> >>> *not_blk,
> >>>  		pr_info("%s changed mtu to %d\n", ndev->name, ndev->mtu);
> >>>  		rxe_set_mtu(rxe, ndev->mtu);
> >>>  		break;
> >>> -	case NETDEV_REBOOT:
> >>>  	case NETDEV_CHANGE:
> >>> +		if (netif_running(ndev) && netif_carrier_ok(ndev))
> >>> +			rxe_port_up(rxe, port_num);
> >> On top of which branch/patch this patch is based on?
> > Yikes, it relies on an internal patch that Doug wasn¹t interested in
> > taking. Will respin.
> > 
> 
> I don't remember seeing a patch come through that added rxe_port_up(),
> let alone turning it away...

rxe_port_up is already implemented but since RXE device has only one port i
don't see a reason to pass porn_num to this function.
I might be wrong.

> 
> -- 
> Doug Ledford <dledford@xxxxxxxxxx>
>     GPG Key ID: B826A3330E572FDD
>     Key fingerprint = AE6B 1BDA 122B 23B4 265B  1274 B826 A333 0E57 2FDD
> 



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