diff options
| -rw-r--r-- | drivers/net/qlge/qlge.h | 8 | ||||
| -rw-r--r-- | drivers/net/qlge/qlge_main.c | 9 | ||||
| -rw-r--r-- | drivers/net/qlge/qlge_mpi.c | 89 |
3 files changed, 106 insertions, 0 deletions
diff --git a/drivers/net/qlge/qlge.h b/drivers/net/qlge/qlge.h index 567b5d6e341..e7285f01bd0 100644 --- a/drivers/net/qlge/qlge.h +++ b/drivers/net/qlge/qlge.h @@ -803,6 +803,12 @@ enum { MB_CMD_SET_PORT_CFG = 0x00000122, MB_CMD_GET_PORT_CFG = 0x00000123, MB_CMD_GET_LINK_STS = 0x00000124, + MB_CMD_SET_MGMNT_TFK_CTL = 0x00000160, /* Set Mgmnt Traffic Control */ + MB_SET_MPI_TFK_STOP = (1 << 0), + MB_SET_MPI_TFK_RESUME = (1 << 1), + MB_CMD_GET_MGMNT_TFK_CTL = 0x00000161, /* Get Mgmnt Traffic Control */ + MB_GET_MPI_TFK_STOPPED = (1 << 0), + MB_GET_MPI_TFK_FIFO_EMPTY = (1 << 1), /* Mailbox Command Status. */ MB_CMD_STS_GOOD = 0x00004000, /* Success. */ @@ -1606,6 +1612,8 @@ int ql_read_mpi_reg(struct ql_adapter *qdev, u32 reg, u32 *data); int ql_mb_about_fw(struct ql_adapter *qdev); void ql_link_on(struct ql_adapter *qdev); void ql_link_off(struct ql_adapter *qdev); +int ql_mb_set_mgmnt_traffic_ctl(struct ql_adapter *qdev, u32 control); +int ql_wait_fifo_empty(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 e1203bf0805..fe13006b424 100644 --- a/drivers/net/qlge/qlge_main.c +++ b/drivers/net/qlge/qlge_main.c @@ -3349,6 +3349,13 @@ static int ql_adapter_reset(struct ql_adapter *qdev) end_jiffies = jiffies + max((unsigned long)1, usecs_to_jiffies(30)); + + /* Stop management traffic. */ + ql_mb_set_mgmnt_traffic_ctl(qdev, MB_SET_MPI_TFK_STOP); + + /* Wait for the NIC and MGMNT FIFOs to empty. */ + ql_wait_fifo_empty(qdev); + ql_write32(qdev, RST_FO, (RST_FO_FR << 16) | RST_FO_FR); do { @@ -3364,6 +3371,8 @@ static int ql_adapter_reset(struct ql_adapter *qdev) status = -ETIMEDOUT; } + /* Resume management traffic. */ + ql_mb_set_mgmnt_traffic_ctl(qdev, MB_SET_MPI_TFK_RESUME); return status; } diff --git a/drivers/net/qlge/qlge_mpi.c b/drivers/net/qlge/qlge_mpi.c index c2e43073047..8810f5be786 100644 --- a/drivers/net/qlge/qlge_mpi.c +++ b/drivers/net/qlge/qlge_mpi.c @@ -768,6 +768,95 @@ static int ql_idc_wait(struct ql_adapter *qdev) return status; } +int ql_mb_set_mgmnt_traffic_ctl(struct ql_adapter *qdev, u32 control) +{ + struct mbox_params mbc; + struct mbox_params *mbcp = &mbc; + int status; + + memset(mbcp, 0, sizeof(struct mbox_params)); + + mbcp->in_count = 1; + mbcp->out_count = 2; + + mbcp->mbox_in[0] = MB_CMD_SET_MGMNT_TFK_CTL; + mbcp->mbox_in[1] = control; + + status = ql_mailbox_command(qdev, mbcp); + if (status) + return status; + + if (mbcp->mbox_out[0] == MB_CMD_STS_GOOD) + return status; + + if (mbcp->mbox_out[0] == MB_CMD_STS_INVLD_CMD) { + QPRINTK(qdev, DRV, ERR, + "Command not supported by firmware.\n"); + status = -EINVAL; + } else if (mbcp->mbox_out[0] == MB_CMD_STS_ERR) { + /* This indicates that the firmware is + * already in the state we are trying to + * change it to. + */ + QPRINTK(qdev, DRV, ERR, + "Command parameters make no change.\n"); + } + return status; +} + +/* Returns a negative error code or the mailbox command status. */ +static int ql_mb_get_mgmnt_traffic_ctl(struct ql_adapter *qdev, u32 *control) +{ + struct mbox_params mbc; + struct mbox_params *mbcp = &mbc; + int status; + + memset(mbcp, 0, sizeof(struct mbox_params)); + *control = 0; + + mbcp->in_count = 1; + mbcp->out_count = 1; + + mbcp->mbox_in[0] = MB_CMD_GET_MGMNT_TFK_CTL; + + status = ql_mailbox_command(qdev, mbcp); + if (status) + return status; + + if (mbcp->mbox_out[0] == MB_CMD_STS_GOOD) { + *control = mbcp->mbox_in[1]; + return status; + } + + if (mbcp->mbox_out[0] == MB_CMD_STS_INVLD_CMD) { + QPRINTK(qdev, DRV, ERR, + "Command not supported by firmware.\n"); + status = -EINVAL; + } else if (mbcp->mbox_out[0] == MB_CMD_STS_ERR) { + QPRINTK(qdev, DRV, ERR, + "Failed to get MPI traffic control.\n"); + status = -EIO; + } + return status; +} + +int ql_wait_fifo_empty(struct ql_adapter *qdev) +{ + int count = 5; + u32 mgmnt_fifo_empty; + u32 nic_fifo_empty; + + do { + nic_fifo_empty = ql_read32(qdev, STS) & STS_NFE; + ql_mb_get_mgmnt_traffic_ctl(qdev, &mgmnt_fifo_empty); + mgmnt_fifo_empty &= MB_GET_MPI_TFK_FIFO_EMPTY; + if (nic_fifo_empty && mgmnt_fifo_empty) + return 0; + msleep(100); + } while (count-- > 0); + return -ETIMEDOUT; +} + /* API called in work thread context to set new TX/RX * maximum frame size values to match MTU. */ |