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Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni Subject: [PATCH net-next v3 5/7] octeon_ep: support asynchronous notifications Date: Mon, 13 Feb 2023 21:14:20 -0800 Message-ID: <20230214051422.13705-6-vburru@marvell.com> X-Mailer: git-send-email 2.36.0 In-Reply-To: <20230214051422.13705-1-vburru@marvell.com> References: <20230214051422.13705-1-vburru@marvell.com> MIME-Version: 1.0 X-Proofpoint-GUID: _Ja-cNIBjHY_AktpoVCW2oo_vkifslAe X-Proofpoint-ORIG-GUID: _Ja-cNIBjHY_AktpoVCW2oo_vkifslAe X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.219,Aquarius:18.0.930,Hydra:6.0.562,FMLib:17.11.170.22 definitions=2023-02-14_03,2023-02-13_01,2023-02-09_01 X-Spam-Status: No, score=-2.8 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_LOW,SPF_HELO_NONE, SPF_NONE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1757782224911625292?= X-GMAIL-MSGID: =?utf-8?q?1757782224911625292?= Add asynchronous notification support to the control mailbox. Signed-off-by: Veerasenareddy Burru Signed-off-by: Abhijit Ayarekar --- 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, + struct octep_ctrl_mbox_msg *msg) +{ + struct octep_ctrl_net_f2h_req *req; + struct net_device *netdev = oct->netdev; + + 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;