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path: root/drivers/net/qlge/qlge_mpi.c
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Diffstat (limited to 'drivers/net/qlge/qlge_mpi.c')
-rw-r--r--drivers/net/qlge/qlge_mpi.c58
1 files changed, 51 insertions, 7 deletions
diff --git a/drivers/net/qlge/qlge_mpi.c b/drivers/net/qlge/qlge_mpi.c
index ac9493f6c1a..71afbf8b9c5 100644
--- a/drivers/net/qlge/qlge_mpi.c
+++ b/drivers/net/qlge/qlge_mpi.c
@@ -90,14 +90,14 @@ static int ql_get_mb_sts(struct ql_adapter *qdev, struct mbox_params *mbcp)
*/
static int ql_wait_mbx_cmd_cmplt(struct ql_adapter *qdev)
{
- int count = 50; /* TODO: arbitrary for now. */
+ int count = 100;
u32 value;
do {
value = ql_read32(qdev, STS);
if (value & STS_PI)
return 0;
- udelay(UDELAY_DELAY); /* 10us */
+ mdelay(UDELAY_DELAY); /* 100ms */
} while (--count);
return -ETIMEDOUT;
}
@@ -453,6 +453,13 @@ static int ql_mpi_handler(struct ql_adapter *qdev, struct mbox_params *mbcp)
}
end:
ql_write32(qdev, CSR, CSR_CMD_CLR_R2PCI_INT);
+ /* Restore the original mailbox count to
+ * what the caller asked for. This can get
+ * changed when a mailbox command is waiting
+ * for a response and an AEN arrives and
+ * is handled.
+ * */
+ mbcp->out_count = orig_count;
return status;
}
@@ -540,6 +547,40 @@ end:
return status;
}
+
+/* Get MPI firmware version. This will be used for
+ * driver banner and for ethtool info.
+ * Returns zero on success.
+ */
+int ql_mb_about_fw(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_ABOUT_FW;
+
+ status = ql_mailbox_command(qdev, mbcp);
+ if (status)
+ return status;
+
+ if (mbcp->mbox_out[0] != MB_CMD_STS_GOOD) {
+ QPRINTK(qdev, DRV, ERR,
+ "Failed about firmware command\n");
+ status = -EIO;
+ }
+
+ /* Store the firmware version */
+ qdev->fw_rev_id = mbcp->mbox_out[1];
+
+ return status;
+}
+
/* Get functional state for MPI firmware.
* Returns zero on success.
*/
@@ -754,7 +795,6 @@ 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);
@@ -764,9 +804,7 @@ void ql_mpi_port_cfg_work(struct work_struct *work)
goto err;
}
- if (ndev->mtu <= 2500)
- goto end;
- else if (qdev->link_config & CFG_JUMBO_FRAME_SIZE &&
+ if (qdev->link_config & CFG_JUMBO_FRAME_SIZE &&
qdev->max_frame_size ==
CFG_DEFAULT_MAX_FRAME_SIZE)
goto end;
@@ -831,13 +869,19 @@ void ql_mpi_work(struct work_struct *work)
container_of(work, struct ql_adapter, mpi_work.work);
struct mbox_params mbc;
struct mbox_params *mbcp = &mbc;
+ int err = 0;
mutex_lock(&qdev->mpi_mutex);
while (ql_read32(qdev, STS) & STS_PI) {
memset(mbcp, 0, sizeof(struct mbox_params));
mbcp->out_count = 1;
- ql_mpi_handler(qdev, mbcp);
+ /* Don't continue if an async event
+ * did not complete properly.
+ */
+ err = ql_mpi_handler(qdev, mbcp);
+ if (err)
+ break;
}
mutex_unlock(&qdev->mpi_mutex);