qlge: Add firmware/driver sub-command support.
These sub-commands are issued by another (FCoE) function requesting
an operation on a shared resource.
Signed-off-by: Ron Mercer <ron.mercer@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/qlge/qlge_mpi.c b/drivers/net/qlge/qlge_mpi.c
index bac7b86..f5619fe 100644
--- a/drivers/net/qlge/qlge_mpi.c
+++ b/drivers/net/qlge/qlge_mpi.c
@@ -1038,8 +1038,11 @@
int status;
struct mbox_params *mbcp = &qdev->idc_mbc;
u32 aen;
+ int timeout;
+ rtnl_lock();
aen = mbcp->mbox_out[1] >> 16;
+ timeout = (mbcp->mbox_out[1] >> 8) & 0xf;
switch (aen) {
default:
@@ -1047,22 +1050,61 @@
"Bug: Unhandled IDC action.\n");
break;
case MB_CMD_PORT_RESET:
- case MB_CMD_SET_PORT_CFG:
case MB_CMD_STOP_FW:
ql_link_off(qdev);
+ case MB_CMD_SET_PORT_CFG:
/* 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);
- rtnl_lock();
- status = ql_mb_idc_ack(qdev);
- rtnl_unlock();
- if (status) {
- QPRINTK(qdev, DRV, ERR,
- "Bug: No pending IDC!\n");
+ /* Do ACK if required */
+ if (timeout) {
+ status = ql_mb_idc_ack(qdev);
+ if (status)
+ QPRINTK(qdev, DRV, ERR,
+ "Bug: No pending IDC!\n");
+ } else {
+ QPRINTK(qdev, DRV, DEBUG,
+ "IDC ACK not required\n");
+ status = 0; /* success */
}
+ break;
+
+ /* These sub-commands issued by another (FCoE)
+ * function are requesting to do an operation
+ * on the shared resource (MPI environment).
+ * We currently don't issue these so we just
+ * ACK the request.
+ */
+ case MB_CMD_IOP_RESTART_MPI:
+ case MB_CMD_IOP_PREP_LINK_DOWN:
+ /* Drop the link, reload the routing
+ * table when link comes up.
+ */
+ ql_link_off(qdev);
+ set_bit(QL_CAM_RT_SET, &qdev->flags);
+ /* Fall through. */
+ case MB_CMD_IOP_DVR_START:
+ case MB_CMD_IOP_FLASH_ACC:
+ case MB_CMD_IOP_CORE_DUMP_MPI:
+ case MB_CMD_IOP_PREP_UPDATE_MPI:
+ case MB_CMD_IOP_COMP_UPDATE_MPI:
+ case MB_CMD_IOP_NONE: /* an IDC without params */
+ /* Do ACK if required */
+ if (timeout) {
+ status = ql_mb_idc_ack(qdev);
+ if (status)
+ QPRINTK(qdev, DRV, ERR,
+ "Bug: No pending IDC!\n");
+ } else {
+ QPRINTK(qdev, DRV, DEBUG,
+ "IDC ACK not required\n");
+ status = 0; /* success */
+ }
+ break;
}
+ rtnl_unlock();
}
void ql_mpi_work(struct work_struct *work)