diff options
-rw-r--r-- | drivers/net/qlge/qlge.h | 3 | ||||
-rw-r--r-- | drivers/net/qlge/qlge_main.c | 4 | ||||
-rw-r--r-- | drivers/net/qlge/qlge_mpi.c | 143 |
3 files changed, 149 insertions, 1 deletions
diff --git a/drivers/net/qlge/qlge.h b/drivers/net/qlge/qlge.h index 6f9fd24bf384..9918106f2a53 100644 --- a/drivers/net/qlge/qlge.h +++ b/drivers/net/qlge/qlge.h @@ -1499,6 +1499,7 @@ struct ql_adapter { struct delayed_work mpi_reset_work; struct delayed_work mpi_work; struct delayed_work mpi_port_cfg_work; + struct delayed_work mpi_idc_work; struct completion ide_completion; struct nic_operations *nic_ops; u16 device_id; @@ -1574,8 +1575,10 @@ void ql_queue_asic_error(struct ql_adapter *qdev); u32 ql_enable_completion_interrupt(struct ql_adapter *qdev, u32 intr); void ql_set_ethtool_ops(struct net_device *ndev); int ql_read_xgmac_reg64(struct ql_adapter *qdev, u32 reg, u64 *data); +void ql_mpi_idc_work(struct work_struct *work); void ql_mpi_port_cfg_work(struct work_struct *work); int ql_mb_get_fw_state(struct ql_adapter *qdev); +int ql_cam_route_initialize(struct ql_adapter *qdev); #if 1 #define QL_ALL_DUMP diff --git a/drivers/net/qlge/qlge_main.c b/drivers/net/qlge/qlge_main.c index 7c1ce5765759..d800ff40b32b 100644 --- a/drivers/net/qlge/qlge_main.c +++ b/drivers/net/qlge/qlge_main.c @@ -3014,7 +3014,7 @@ exit: return status; } -static int ql_cam_route_initialize(struct ql_adapter *qdev) +int ql_cam_route_initialize(struct ql_adapter *qdev) { int status; @@ -3195,6 +3195,7 @@ static int ql_adapter_down(struct ql_adapter *qdev) cancel_delayed_work_sync(&qdev->asic_reset_work); cancel_delayed_work_sync(&qdev->mpi_reset_work); cancel_delayed_work_sync(&qdev->mpi_work); + cancel_delayed_work_sync(&qdev->mpi_idc_work); cancel_delayed_work_sync(&qdev->mpi_port_cfg_work); /* The default queue at index 0 is always processed in @@ -3782,6 +3783,7 @@ static int __devinit ql_init_device(struct pci_dev *pdev, INIT_DELAYED_WORK(&qdev->mpi_reset_work, ql_mpi_reset_work); INIT_DELAYED_WORK(&qdev->mpi_work, ql_mpi_work); INIT_DELAYED_WORK(&qdev->mpi_port_cfg_work, ql_mpi_port_cfg_work); + INIT_DELAYED_WORK(&qdev->mpi_idc_work, ql_mpi_idc_work); mutex_init(&qdev->mpi_mutex); init_completion(&qdev->ide_completion); diff --git a/drivers/net/qlge/qlge_mpi.c b/drivers/net/qlge/qlge_mpi.c index 3b4b494387aa..9f1fe542e271 100644 --- a/drivers/net/qlge/qlge_mpi.c +++ b/drivers/net/qlge/qlge_mpi.c @@ -138,6 +138,40 @@ end: return status; } +/* We are being asked by firmware to accept + * a change to the port. This is only + * a change to max frame sizes (Tx/Rx), pause + * paramters, or loopback mode. We wake up a worker + * to handler processing this since a mailbox command + * will need to be sent to ACK the request. + */ +static int ql_idc_req_aen(struct ql_adapter *qdev) +{ + int status; + struct mbox_params *mbcp = &qdev->idc_mbc; + + QPRINTK(qdev, DRV, ERR, "Enter!\n"); + /* Get the status data and start up a thread to + * handle the request. + */ + mbcp = &qdev->idc_mbc; + mbcp->out_count = 4; + status = ql_get_mb_sts(qdev, mbcp); + if (status) { + QPRINTK(qdev, DRV, ERR, + "Could not read MPI, resetting ASIC!\n"); + ql_queue_asic_error(qdev); + } else { + /* Begin polled mode early so + * we don't get another interrupt + * when we leave mpi_worker. + */ + ql_write32(qdev, INTR_MASK, (INTR_MASK_PI << 16)); + queue_delayed_work(qdev->workqueue, &qdev->mpi_idc_work, 0); + } + return status; +} + /* Process an inter-device event completion. * If good, signal the caller's completion. */ @@ -175,6 +209,35 @@ static void ql_link_up(struct ql_adapter *qdev, struct mbox_params *mbcp) qdev->link_status = mbcp->mbox_out[1]; QPRINTK(qdev, DRV, ERR, "Link Up.\n"); + /* If we're coming back from an IDC event + * then set up the CAM and frame routing. + */ + if (test_bit(QL_CAM_RT_SET, &qdev->flags)) { + status = ql_cam_route_initialize(qdev); + if (status) { + QPRINTK(qdev, IFUP, ERR, + "Failed to init CAM/Routing tables.\n"); + return; + } else + clear_bit(QL_CAM_RT_SET, &qdev->flags); + } + + /* Queue up a worker to check the frame + * size information, and fix it if it's not + * to our liking. + */ + if (!test_bit(QL_PORT_CFG, &qdev->flags)) { + QPRINTK(qdev, DRV, ERR, "Queue Port Config Worker!\n"); + set_bit(QL_PORT_CFG, &qdev->flags); + /* Begin polled mode early so + * we don't get another interrupt + * when we leave mpi_worker dpc. + */ + ql_write32(qdev, INTR_MASK, (INTR_MASK_PI << 16)); + queue_delayed_work(qdev->workqueue, + &qdev->mpi_port_cfg_work, 0); + } + netif_carrier_on(qdev->ndev); } @@ -283,6 +346,15 @@ static int ql_mpi_handler(struct ql_adapter *qdev, struct mbox_params *mbcp) status = ql_get_mb_sts(qdev, mbcp); return status; + /* We are being asked by firmware to accept + * a change to the port. This is only + * a change to max frame sizes (Tx/Rx), pause + * paramters, or loopback mode. + */ + case AEN_IDC_REQ: + status = ql_idc_req_aen(qdev); + break; + /* Process and inbound IDC event. * This will happen when we're trying to * change tx/rx max frame size, change pause @@ -451,6 +523,38 @@ int ql_mb_get_fw_state(struct ql_adapter *qdev) return status; } +/* Send and ACK mailbox command to the firmware to + * let it continue with the change. + */ +int ql_mb_idc_ack(struct ql_adapter *qdev) +{ + struct mbox_params mbc; + struct mbox_params *mbcp = &mbc; + int status = 0; + + memset(mbcp, 0, sizeof(struct mbox_params)); + + mbcp->in_count = 5; + mbcp->out_count = 1; + + mbcp->mbox_in[0] = MB_CMD_IDC_ACK; + mbcp->mbox_in[1] = qdev->idc_mbc.mbox_out[1]; + mbcp->mbox_in[2] = qdev->idc_mbc.mbox_out[2]; + mbcp->mbox_in[3] = qdev->idc_mbc.mbox_out[3]; + mbcp->mbox_in[4] = qdev->idc_mbc.mbox_out[4]; + + status = ql_mailbox_command(qdev, mbcp); + if (status) + return status; + + if (mbcp->mbox_out[0] != MB_CMD_STS_GOOD) { + QPRINTK(qdev, DRV, ERR, + "Failed IDC ACK send.\n"); + status = -EIO; + } + return status; +} + /* Get link settings and maximum frame size settings * for the current port. * Most likely will block. @@ -627,6 +731,44 @@ err: goto end; } +/* Process an inter-device request. This is issues by + * the firmware in response to another function requesting + * a change to the port. We set a flag to indicate a change + * has been made and then send a mailbox command ACKing + * the change request. + */ +void ql_mpi_idc_work(struct work_struct *work) +{ + struct ql_adapter *qdev = + container_of(work, struct ql_adapter, mpi_idc_work.work); + int status; + struct mbox_params *mbcp = &qdev->idc_mbc; + u32 aen; + + aen = mbcp->mbox_out[1] >> 16; + + switch (aen) { + default: + QPRINTK(qdev, DRV, ERR, + "Bug: Unhandled IDC action.\n"); + break; + case MB_CMD_PORT_RESET: + case MB_CMD_SET_PORT_CFG: + case MB_CMD_STOP_FW: + netif_carrier_off(qdev->ndev); + /* Signal the resulting link up AEN + * that the frame routing and mac addr + * needs to be set. + * */ + set_bit(QL_CAM_RT_SET, &qdev->flags); + status = ql_mb_idc_ack(qdev); + if (status) { + QPRINTK(qdev, DRV, ERR, + "Bug: No pending IDC!\n"); + } + } +} + void ql_mpi_work(struct work_struct *work) { struct ql_adapter *qdev = @@ -652,5 +794,6 @@ void ql_mpi_reset_work(struct work_struct *work) container_of(work, struct ql_adapter, mpi_reset_work.work); cancel_delayed_work_sync(&qdev->mpi_work); cancel_delayed_work_sync(&qdev->mpi_port_cfg_work); + cancel_delayed_work_sync(&qdev->mpi_idc_work); ql_soft_reset_mpi_risc(qdev); } |