@@ -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
@@ -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);
@@ -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);
}
This patch adds functionality to get and set port parameters. Currently it is used to set maximum TX/RX frame sizes. This process is also capable of setting: 1) Pause type: Standard or Priority based. 2) Loop back mode. 3) Enable Jumbo frame mode (included here...) Signed-off-by: Ron Mercer <ron.mercer@qlogic.com> --- drivers/net/qlge/qlge.h | 6 + drivers/net/qlge/qlge_main.c | 14 +++- drivers/net/qlge/qlge_mpi.c | 209 ++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 228 insertions(+), 1 deletions(-)