diff options
| -rw-r--r-- | drivers/net/qlge/qlge.h | 6 | ||||
| -rw-r--r-- | drivers/net/qlge/qlge_main.c | 14 | ||||
| -rw-r--r-- | drivers/net/qlge/qlge_mpi.c | 209 |
3 files changed, 228 insertions, 1 deletions
diff --git a/drivers/net/qlge/qlge.h b/drivers/net/qlge/qlge.h index 5f60ec4efb3..6f9fd24bf38 100644 --- a/drivers/net/qlge/qlge.h +++ b/drivers/net/qlge/qlge.h @@ -1450,6 +1450,7 @@ struct ql_adapter { u32 mailbox_in; u32 mailbox_out; + struct mbox_params idc_mbc; struct mutex mpi_mutex; int tx_ring_size; @@ -1486,6 +1487,8 @@ struct ql_adapter { u32 port_link_up; u32 port_init; u32 link_status; + u32 link_config; + u32 max_frame_size; union flash_params flash; @@ -1495,6 +1498,8 @@ struct ql_adapter { struct delayed_work asic_reset_work; struct delayed_work mpi_reset_work; struct delayed_work mpi_work; + struct delayed_work mpi_port_cfg_work; + struct completion ide_completion; struct nic_operations *nic_ops; u16 device_id; }; @@ -1569,6 +1574,7 @@ 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_port_cfg_work(struct work_struct *work); int ql_mb_get_fw_state(struct ql_adapter *qdev); #if 1 diff --git a/drivers/net/qlge/qlge_main.c b/drivers/net/qlge/qlge_main.c index 29334d99b43..7c1ce576575 100644 --- a/drivers/net/qlge/qlge_main.c +++ b/drivers/net/qlge/qlge_main.c @@ -837,7 +837,14 @@ exit: static int ql_8000_port_initialize(struct ql_adapter *qdev) { - return ql_mb_get_fw_state(qdev); + int status; + status = ql_mb_get_fw_state(qdev); + if (status) + goto exit; + /* Wake up a worker to get/set the TX/RX frame sizes. */ + queue_delayed_work(qdev->workqueue, &qdev->mpi_port_cfg_work, 0); +exit: + return status; } /* Take the MAC Core out of reset. @@ -3188,6 +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_port_cfg_work); /* The default queue at index 0 is always processed in * a workqueue. @@ -3462,6 +3470,8 @@ static int qlge_change_mtu(struct net_device *ndev, int new_mtu) if (ndev->mtu == 1500 && new_mtu == 9000) { QPRINTK(qdev, IFUP, ERR, "Changing to jumbo MTU.\n"); + queue_delayed_work(qdev->workqueue, + &qdev->mpi_port_cfg_work, 0); } else if (ndev->mtu == 9000 && new_mtu == 1500) { QPRINTK(qdev, IFUP, ERR, "Changing to normal MTU.\n"); } else if ((ndev->mtu == 1500 && new_mtu == 1500) || @@ -3771,7 +3781,9 @@ static int __devinit ql_init_device(struct pci_dev *pdev, INIT_DELAYED_WORK(&qdev->asic_reset_work, ql_asic_reset_work); 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); mutex_init(&qdev->mpi_mutex); + init_completion(&qdev->ide_completion); if (!cards_found) { dev_info(&pdev->dev, "%s\n", DRV_STRING); diff --git a/drivers/net/qlge/qlge_mpi.c b/drivers/net/qlge/qlge_mpi.c index 11102bec36b..ef610c674df 100644 --- a/drivers/net/qlge/qlge_mpi.c +++ b/drivers/net/qlge/qlge_mpi.c @@ -138,6 +138,27 @@ end: return status; } +/* Process an inter-device event completion. + * If good, signal the caller's completion. + */ +static int ql_idc_cmplt_aen(struct ql_adapter *qdev) +{ + int status; + struct mbox_params *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 RISC!\n"); + ql_queue_fw_error(qdev); + } else + /* Wake up the sleeping mpi_idc_work thread that is + * waiting for this event. + */ + complete(&qdev->ide_completion); + + return status; +} static void ql_link_up(struct ql_adapter *qdev, struct mbox_params *mbcp) { mbcp->out_count = 2; @@ -241,6 +262,16 @@ static int ql_mpi_handler(struct ql_adapter *qdev, struct mbox_params *mbcp) status = ql_get_mb_sts(qdev, mbcp); return status; + /* Process and inbound IDC event. + * This will happen when we're trying to + * change tx/rx max frame size, change pause + * paramters or loopback mode. + */ + case AEN_IDC_CMPLT: + case AEN_IDC_EXT: + status = ql_idc_cmplt_aen(qdev); + break; + case AEN_LINK_UP: ql_link_up(qdev, mbcp); break; @@ -391,6 +422,182 @@ int ql_mb_get_fw_state(struct ql_adapter *qdev) return status; } +/* Get link settings and maximum frame size settings + * for the current port. + * Most likely will block. + */ +static int ql_mb_set_port_cfg(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 = 3; + mbcp->out_count = 1; + + mbcp->mbox_in[0] = MB_CMD_SET_PORT_CFG; + mbcp->mbox_in[1] = qdev->link_config; + mbcp->mbox_in[2] = qdev->max_frame_size; + + + status = ql_mailbox_command(qdev, mbcp); + if (status) + return status; + + if (mbcp->mbox_out[0] == MB_CMD_STS_INTRMDT) { + QPRINTK(qdev, DRV, ERR, + "Port Config sent, wait for IDC.\n"); + } else if (mbcp->mbox_out[0] != MB_CMD_STS_GOOD) { + QPRINTK(qdev, DRV, ERR, + "Failed Set Port Configuration.\n"); + status = -EIO; + } + return status; +} + +/* Get link settings and maximum frame size settings + * for the current port. + * Most likely will block. + */ +static int ql_mb_get_port_cfg(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 = 1; + mbcp->out_count = 3; + + mbcp->mbox_in[0] = MB_CMD_GET_PORT_CFG; + + status = ql_mailbox_command(qdev, mbcp); + if (status) + return status; + + if (mbcp->mbox_out[0] != MB_CMD_STS_GOOD) { + QPRINTK(qdev, DRV, ERR, + "Failed Get Port Configuration.\n"); + status = -EIO; + } else { + QPRINTK(qdev, DRV, DEBUG, + "Passed Get Port Configuration.\n"); + qdev->link_config = mbcp->mbox_out[1]; + qdev->max_frame_size = mbcp->mbox_out[2]; + } + return status; +} + +/* IDC - Inter Device Communication... + * Some firmware commands require consent of adjacent FCOE + * function. This function waits for the OK, or a + * counter-request for a little more time.i + * The firmware will complete the request if the other + * function doesn't respond. + */ +static int ql_idc_wait(struct ql_adapter *qdev) +{ + int status = -ETIMEDOUT; + long wait_time = 1 * HZ; + struct mbox_params *mbcp = &qdev->idc_mbc; + do { + /* Wait here for the command to complete + * via the IDC process. + */ + wait_time = + wait_for_completion_timeout(&qdev->ide_completion, + wait_time); + if (!wait_time) { + QPRINTK(qdev, DRV, ERR, + "IDC Timeout.\n"); + break; + } + /* Now examine the response from the IDC process. + * We might have a good completion or a request for + * more wait time. + */ + if (mbcp->mbox_out[0] == AEN_IDC_EXT) { + QPRINTK(qdev, DRV, ERR, + "IDC Time Extension from function.\n"); + wait_time += (mbcp->mbox_out[1] >> 8) & 0x0000000f; + } else if (mbcp->mbox_out[0] == AEN_IDC_CMPLT) { + QPRINTK(qdev, DRV, ERR, + "IDC Success.\n"); + status = 0; + break; + } else { + QPRINTK(qdev, DRV, ERR, + "IDC: Invalid State 0x%.04x.\n", + mbcp->mbox_out[0]); + status = -EIO; + break; + } + } while (wait_time); + + return status; +} + +/* API called in work thread context to set new TX/RX + * maximum frame size values to match MTU. + */ +static int ql_set_port_cfg(struct ql_adapter *qdev) +{ + int status; + status = ql_mb_set_port_cfg(qdev); + if (status) + return status; + status = ql_idc_wait(qdev); + return status; +} + +/* The following routines are worker threads that process + * events that may sleep waiting for completion. + */ + +/* This thread gets the maximum TX and RX frame size values + * from the firmware and, if necessary, changes them to match + * the MTU setting. + */ +void ql_mpi_port_cfg_work(struct work_struct *work) +{ + struct ql_adapter *qdev = + container_of(work, struct ql_adapter, mpi_port_cfg_work.work); + struct net_device *ndev = qdev->ndev; + int status; + + status = ql_mb_get_port_cfg(qdev); + if (status) { + QPRINTK(qdev, DRV, ERR, + "Bug: Failed to get port config data.\n"); + goto err; + } + + if (ndev->mtu <= 2500) + goto end; + else if (qdev->link_config & CFG_JUMBO_FRAME_SIZE && + qdev->max_frame_size == + CFG_DEFAULT_MAX_FRAME_SIZE) + goto end; + + qdev->link_config |= CFG_JUMBO_FRAME_SIZE; + qdev->max_frame_size = CFG_DEFAULT_MAX_FRAME_SIZE; + status = ql_set_port_cfg(qdev); + if (status) { + QPRINTK(qdev, DRV, ERR, + "Bug: Failed to set port config data.\n"); + goto err; + } +end: + clear_bit(QL_PORT_CFG, &qdev->flags); + return; +err: + ql_queue_fw_error(qdev); + goto end; +} + void ql_mpi_work(struct work_struct *work) { struct ql_adapter *qdev = @@ -414,5 +621,7 @@ void ql_mpi_reset_work(struct work_struct *work) { struct ql_adapter *qdev = 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); ql_soft_reset_mpi_risc(qdev); } |