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path: root/drivers/net/tokenring/tms380tr.c
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Diffstat (limited to 'drivers/net/tokenring/tms380tr.c')
-rw-r--r--drivers/net/tokenring/tms380tr.c179
1 files changed, 67 insertions, 112 deletions
diff --git a/drivers/net/tokenring/tms380tr.c b/drivers/net/tokenring/tms380tr.c
index 65e9cf3a71f..102f896bbc5 100644
--- a/drivers/net/tokenring/tms380tr.c
+++ b/drivers/net/tokenring/tms380tr.c
@@ -1525,10 +1525,8 @@ static void tms380tr_chk_outstanding_cmds(struct net_device *dev)
/* Check if adapter is opened, avoiding COMMAND_REJECT
* interrupt by the adapter!
*/
- if(tp->AdapterOpenFlag == 0)
- {
- if(tp->CMDqueue & OC_OPEN)
- {
+ if (tp->AdapterOpenFlag == 0) {
+ if (tp->CMDqueue & OC_OPEN) {
/* Execute OPEN command */
tp->CMDqueue ^= OC_OPEN;
@@ -1536,21 +1534,17 @@ static void tms380tr_chk_outstanding_cmds(struct net_device *dev)
tp->scb.Parm[0] = LOWORD(Addr);
tp->scb.Parm[1] = HIWORD(Addr);
tp->scb.CMD = OPEN;
- }
- else
+ } else
/* No OPEN command queued, but adapter closed. Note:
* We'll try to re-open the adapter in DriverPoll()
*/
return; /* No adapter command issued */
- }
- else
- {
+ } else {
/* Adapter is open; evaluate command queue: try to execute
* outstanding commands (depending on priority!) CLOSE
* command queued
*/
- if(tp->CMDqueue & OC_CLOSE)
- {
+ if (tp->CMDqueue & OC_CLOSE) {
tp->CMDqueue ^= OC_CLOSE;
tp->AdapterOpenFlag = 0;
tp->scb.Parm[0] = 0; /* Parm[0], Parm[1] are ignored */
@@ -1560,109 +1554,70 @@ static void tms380tr_chk_outstanding_cmds(struct net_device *dev)
tp->CMDqueue |= OC_OPEN; /* re-open adapter */
else
tp->CMDqueue = 0; /* no more commands */
- }
- else
- {
- if(tp->CMDqueue & OC_RECEIVE)
- {
- tp->CMDqueue ^= OC_RECEIVE;
- Addr = htonl(((char *)tp->RplHead - (char *)tp) + tp->dmabuffer);
- tp->scb.Parm[0] = LOWORD(Addr);
- tp->scb.Parm[1] = HIWORD(Addr);
- tp->scb.CMD = RECEIVE;
- }
- else
- {
- if(tp->CMDqueue & OC_TRANSMIT_HALT)
- {
- /* NOTE: TRANSMIT.HALT must be checked
- * before TRANSMIT.
- */
- tp->CMDqueue ^= OC_TRANSMIT_HALT;
- tp->scb.CMD = TRANSMIT_HALT;
-
- /* Parm[0] and Parm[1] are ignored
- * but should be set to zero!
- */
- tp->scb.Parm[0] = 0;
- tp->scb.Parm[1] = 0;
- }
- else
- {
- if(tp->CMDqueue & OC_TRANSMIT)
- {
- /* NOTE: TRANSMIT must be
- * checked after TRANSMIT.HALT
- */
- if(tp->TransmitCommandActive)
- {
- if(!tp->TransmitHaltScheduled)
- {
- tp->TransmitHaltScheduled = 1;
- tms380tr_exec_cmd(dev, OC_TRANSMIT_HALT) ;
- }
- tp->TransmitCommandActive = 0;
- return;
- }
-
- tp->CMDqueue ^= OC_TRANSMIT;
- tms380tr_cancel_tx_queue(tp);
- Addr = htonl(((char *)tp->TplBusy - (char *)tp) + tp->dmabuffer);
- tp->scb.Parm[0] = LOWORD(Addr);
- tp->scb.Parm[1] = HIWORD(Addr);
- tp->scb.CMD = TRANSMIT;
- tp->TransmitCommandActive = 1;
- }
- else
- {
- if(tp->CMDqueue & OC_MODIFY_OPEN_PARMS)
- {
- tp->CMDqueue ^= OC_MODIFY_OPEN_PARMS;
- tp->scb.Parm[0] = tp->ocpl.OPENOptions; /* new OPEN options*/
- tp->scb.Parm[0] |= ENABLE_FULL_DUPLEX_SELECTION;
- tp->scb.Parm[1] = 0; /* is ignored but should be zero */
- tp->scb.CMD = MODIFY_OPEN_PARMS;
- }
- else
- {
- if(tp->CMDqueue & OC_SET_FUNCT_ADDR)
- {
- tp->CMDqueue ^= OC_SET_FUNCT_ADDR;
- tp->scb.Parm[0] = LOWORD(tp->ocpl.FunctAddr);
- tp->scb.Parm[1] = HIWORD(tp->ocpl.FunctAddr);
- tp->scb.CMD = SET_FUNCT_ADDR;
- }
- else
- {
- if(tp->CMDqueue & OC_SET_GROUP_ADDR)
- {
- tp->CMDqueue ^= OC_SET_GROUP_ADDR;
- tp->scb.Parm[0] = LOWORD(tp->ocpl.GroupAddr);
- tp->scb.Parm[1] = HIWORD(tp->ocpl.GroupAddr);
- tp->scb.CMD = SET_GROUP_ADDR;
- }
- else
- {
- if(tp->CMDqueue & OC_READ_ERROR_LOG)
- {
- tp->CMDqueue ^= OC_READ_ERROR_LOG;
- Addr = htonl(((char *)&tp->errorlogtable - (char *)tp) + tp->dmabuffer);
- tp->scb.Parm[0] = LOWORD(Addr);
- tp->scb.Parm[1] = HIWORD(Addr);
- tp->scb.CMD = READ_ERROR_LOG;
- }
- else
- {
- printk(KERN_WARNING "CheckForOutstandingCommand: unknown Command\n");
- tp->CMDqueue = 0;
- return;
- }
- }
- }
- }
- }
+ } else if (tp->CMDqueue & OC_RECEIVE) {
+ tp->CMDqueue ^= OC_RECEIVE;
+ Addr = htonl(((char *)tp->RplHead - (char *)tp) + tp->dmabuffer);
+ tp->scb.Parm[0] = LOWORD(Addr);
+ tp->scb.Parm[1] = HIWORD(Addr);
+ tp->scb.CMD = RECEIVE;
+ } else if (tp->CMDqueue & OC_TRANSMIT_HALT) {
+ /* NOTE: TRANSMIT.HALT must be checked
+ * before TRANSMIT.
+ */
+ tp->CMDqueue ^= OC_TRANSMIT_HALT;
+ tp->scb.CMD = TRANSMIT_HALT;
+
+ /* Parm[0] and Parm[1] are ignored
+ * but should be set to zero!
+ */
+ tp->scb.Parm[0] = 0;
+ tp->scb.Parm[1] = 0;
+ } else if (tp->CMDqueue & OC_TRANSMIT) {
+ /* NOTE: TRANSMIT must be
+ * checked after TRANSMIT.HALT
+ */
+ if (tp->TransmitCommandActive) {
+ if (!tp->TransmitHaltScheduled) {
+ tp->TransmitHaltScheduled = 1;
+ tms380tr_exec_cmd(dev, OC_TRANSMIT_HALT);
}
+ tp->TransmitCommandActive = 0;
+ return;
}
+
+ tp->CMDqueue ^= OC_TRANSMIT;
+ tms380tr_cancel_tx_queue(tp);
+ Addr = htonl(((char *)tp->TplBusy - (char *)tp) + tp->dmabuffer);
+ tp->scb.Parm[0] = LOWORD(Addr);
+ tp->scb.Parm[1] = HIWORD(Addr);
+ tp->scb.CMD = TRANSMIT;
+ tp->TransmitCommandActive = 1;
+ } else if (tp->CMDqueue & OC_MODIFY_OPEN_PARMS) {
+ tp->CMDqueue ^= OC_MODIFY_OPEN_PARMS;
+ tp->scb.Parm[0] = tp->ocpl.OPENOptions; /* new OPEN options*/
+ tp->scb.Parm[0] |= ENABLE_FULL_DUPLEX_SELECTION;
+ tp->scb.Parm[1] = 0; /* is ignored but should be zero */
+ tp->scb.CMD = MODIFY_OPEN_PARMS;
+ } else if (tp->CMDqueue & OC_SET_FUNCT_ADDR) {
+ tp->CMDqueue ^= OC_SET_FUNCT_ADDR;
+ tp->scb.Parm[0] = LOWORD(tp->ocpl.FunctAddr);
+ tp->scb.Parm[1] = HIWORD(tp->ocpl.FunctAddr);
+ tp->scb.CMD = SET_FUNCT_ADDR;
+ } else if (tp->CMDqueue & OC_SET_GROUP_ADDR) {
+ tp->CMDqueue ^= OC_SET_GROUP_ADDR;
+ tp->scb.Parm[0] = LOWORD(tp->ocpl.GroupAddr);
+ tp->scb.Parm[1] = HIWORD(tp->ocpl.GroupAddr);
+ tp->scb.CMD = SET_GROUP_ADDR;
+ } else if (tp->CMDqueue & OC_READ_ERROR_LOG) {
+ tp->CMDqueue ^= OC_READ_ERROR_LOG;
+ Addr = htonl(((char *)&tp->errorlogtable - (char *)tp) + tp->dmabuffer);
+ tp->scb.Parm[0] = LOWORD(Addr);
+ tp->scb.Parm[1] = HIWORD(Addr);
+ tp->scb.CMD = READ_ERROR_LOG;
+ } else {
+ printk(KERN_WARNING "CheckForOutstandingCommand: unknown Command\n");
+ tp->CMDqueue = 0;
+ return;
}
}
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