RE: [EXT] Re: [PATCH net-next v3 5/7] octeon_ep: support asynchronous notifications

From: Veerasenareddy Burru
Date: Wed Mar 22 2023 - 03:26:55 EST




> -----Original Message-----
> From: Maciej Fijalkowski <maciej.fijalkowski@xxxxxxxxx>
> Sent: Wednesday, February 15, 2023 8:36 AM
> To: Veerasenareddy Burru <vburru@xxxxxxxxxxx>
> Cc: netdev@xxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx; Abhijit Ayarekar
> <aayarekar@xxxxxxxxxxx>; Sathesh B Edara <sedara@xxxxxxxxxxx>;
> Satananda Burla <sburla@xxxxxxxxxxx>; linux-doc@xxxxxxxxxxxxxxx; David S.
> Miller <davem@xxxxxxxxxxxxx>; Eric Dumazet <edumazet@xxxxxxxxxx>;
> Jakub Kicinski <kuba@xxxxxxxxxx>; Paolo Abeni <pabeni@xxxxxxxxxx>
> Subject: [EXT] Re: [PATCH net-next v3 5/7] octeon_ep: support
> asynchronous notifications
>
> External Email
>
> ----------------------------------------------------------------------
> On Mon, Feb 13, 2023 at 09:14:20PM -0800, Veerasenareddy Burru wrote:
> > Add asynchronous notification support to the control mailbox.
> >
> > Signed-off-by: Veerasenareddy Burru <vburru@xxxxxxxxxxx>
> > Signed-off-by: Abhijit Ayarekar <aayarekar@xxxxxxxxxxx>
> > ---
> > v2 -> v3:
> > * no change
> >
> > v1 -> v2:
> > * no change
> >
> > .../marvell/octeon_ep/octep_ctrl_net.c | 29 +++++++++++++++++++
> > 1 file changed, 29 insertions(+)
> >
> > diff --git a/drivers/net/ethernet/marvell/octeon_ep/octep_ctrl_net.c
> > b/drivers/net/ethernet/marvell/octeon_ep/octep_ctrl_net.c
> > index 715af1891d0d..80bcd6cd4732 100644
> > --- a/drivers/net/ethernet/marvell/octeon_ep/octep_ctrl_net.c
> > +++ b/drivers/net/ethernet/marvell/octeon_ep/octep_ctrl_net.c
> > @@ -279,6 +279,33 @@ static int process_mbox_resp(struct octep_device
> *oct,
> > return 0;
> > }
> >
> > +static int process_mbox_notify(struct octep_device *oct,
>
> void
>

Will change in next revision.

> > + struct octep_ctrl_mbox_msg *msg) {
> > + struct octep_ctrl_net_f2h_req *req;
> > + struct net_device *netdev = oct->netdev;
>
> RCT
>

Will fix in next revision. I missed some RCT violations in this patchset. Will take care for future submissions.
Thank you for kind review.

> > +
> > + req = (struct octep_ctrl_net_f2h_req *)msg->sg_list[0].msg;
> > + switch (req->hdr.s.cmd) {
> > + case OCTEP_CTRL_NET_F2H_CMD_LINK_STATUS:
> > + if (netif_running(netdev)) {
> > + if (req->link.state) {
> > + dev_info(&oct->pdev->dev,
> "netif_carrier_on\n");
> > + netif_carrier_on(netdev);
> > + } else {
> > + dev_info(&oct->pdev->dev,
> "netif_carrier_off\n");
> > + netif_carrier_off(netdev);
> > + }
> > + }
> > + break;
> > + default:
> > + pr_info("Unknown mbox req : %u\n", req->hdr.s.cmd);
> > + break;
> > + }
> > +
> > + return 0;
> > +}
> > +
> > int octep_ctrl_net_recv_fw_messages(struct octep_device *oct) {
> > static u16 msg_sz = sizeof(union octep_ctrl_net_max_data); @@ -
> 303,6
> > +330,8 @@ int octep_ctrl_net_recv_fw_messages(struct octep_device
> *oct)
> > process_mbox_req(oct, &msg);
> > else if (msg.hdr.s.flags &
> OCTEP_CTRL_MBOX_MSG_HDR_FLAG_RESP)
> > process_mbox_resp(oct, &msg);
> > + else if (msg.hdr.s.flags &
> OCTEP_CTRL_MBOX_MSG_HDR_FLAG_NOTIFY)
> > + process_mbox_notify(oct, &msg);
> > }
> >
> > return 0;
> > --
> > 2.36.0
> >