extractedLnx/linux-2.5.9/drivers/net/sk98lin/skge.c_GetConfiguration.c

static void GetConfiguration(
SK_AC	*pAC)	/* pointer to the adapter context structure */
{
SK_I32	Port;		/* preferred port */
int	AutoNeg;	/* auto negotiation off (0) or on (1) */
int	DuplexCap;	/* duplex capabilities (0=both, 1=full, 2=half */
int	MSMode;		/* master / slave mode selection */
SK_BOOL	AutoSet;
SK_BOOL DupSet;
/*
 *	The two parameters AutoNeg. and DuplexCap. map to one configuration
 *	parameter. The mapping is described by this table:
 *	DuplexCap ->	|	both	|	full	|	half	|
 *	AutoNeg		|		|		|		|
 *	-----------------------------------------------------------------
 *	Off		|    illegal	|	Full	|	Half	|
 *	-----------------------------------------------------------------
 *	On		|   AutoBoth	|   AutoFull	|   AutoHalf	|
 *	-----------------------------------------------------------------
 *	Sense		|   AutoSense	|   AutoSense	|   AutoSense	|
 */
int	Capabilities[3][3] = 
		{ {		  -1, SK_LMODE_FULL,     SK_LMODE_HALF}, 
		  {SK_LMODE_AUTOBOTH, SK_LMODE_AUTOFULL, SK_LMODE_AUTOHALF},
		  {SK_LMODE_AUTOSENSE, SK_LMODE_AUTOSENSE, SK_LMODE_AUTOSENSE} };
#define DC_BOTH	0
#define DC_FULL 1
#define DC_HALF 2
#define AN_OFF	0
#define AN_ON	1
#define AN_SENS	2

	/* settings for port A */
	AutoNeg = AN_SENS; /* default: do auto Sense */
	AutoSet = SK_FALSE;
	if (AutoNeg_A != NULL && pAC->Index<SK_MAX_CARD_PARAM &&
		AutoNeg_A[pAC->Index] != NULL) {
		AutoSet = SK_TRUE;
		if (strcmp(AutoNeg_A[pAC->Index],"")==0) {
			AutoSet = SK_FALSE;
		}
		else if (strcmp(AutoNeg_A[pAC->Index],"On")==0) {
			AutoNeg = AN_ON;
		}
		else if (strcmp(AutoNeg_A[pAC->Index],"Off")==0) {
			AutoNeg = AN_OFF;
		}
		else if (strcmp(AutoNeg_A[pAC->Index],"Sense")==0) {
			AutoNeg = AN_SENS;
		}
		else printk("%s: Illegal value for AutoNeg_A\n",
			pAC->dev[0]->name);
	}

	DuplexCap = DC_BOTH;
	DupSet = SK_FALSE;
	if (DupCap_A != NULL && pAC->Index<SK_MAX_CARD_PARAM &&
		DupCap_A[pAC->Index] != NULL) {
		DupSet = SK_TRUE;
		if (strcmp(DupCap_A[pAC->Index],"")==0) {
			DupSet = SK_FALSE;
		}
		else if (strcmp(DupCap_A[pAC->Index],"Both")==0) {
			DuplexCap = DC_BOTH;
		}
		else if (strcmp(DupCap_A[pAC->Index],"Full")==0) {
			DuplexCap = DC_FULL;
		}
		else if (strcmp(DupCap_A[pAC->Index],"Half")==0) {
			DuplexCap = DC_HALF;
		}
		else printk("%s: Illegal value for DupCap_A\n",
			pAC->dev[0]->name);
	}
	
	/* check for illegal combinations */
	if (AutoSet && AutoNeg==AN_SENS && DupSet) {
		printk("%s, Port A: DuplexCapabilities"
			" ignored using Sense mode\n", pAC->dev[0]->name);
	}
	if (AutoSet && AutoNeg==AN_OFF && DupSet && DuplexCap==DC_BOTH){
		printk("%s, Port A: Illegal combination"
			" of values AutoNeg. and DuplexCap.\n    Using "
			"Full Duplex\n", pAC->dev[0]->name);

		DuplexCap = DC_FULL;
	}
	if (AutoSet && AutoNeg==AN_OFF && !DupSet) {
		DuplexCap = DC_FULL;
	}
	
	if (!AutoSet && DupSet) {
		printk("%s, Port A: Duplex setting not"
			" possible in\n    default AutoNegotiation mode"
			" (Sense).\n    Using AutoNegotiation On\n",
			pAC->dev[0]->name);
		AutoNeg = AN_ON;
	}
	
	/* set the desired mode */
	pAC->GIni.GP[0].PLinkModeConf =
		Capabilities[AutoNeg][DuplexCap];
	
	pAC->GIni.GP[0].PFlowCtrlMode = SK_FLOW_MODE_SYM_OR_REM;
	if (FlowCtrl_A != NULL && pAC->Index<SK_MAX_CARD_PARAM &&
		FlowCtrl_A[pAC->Index] != NULL) {
		if (strcmp(FlowCtrl_A[pAC->Index],"") == 0) {
		}
		else if (strcmp(FlowCtrl_A[pAC->Index],"SymOrRem") == 0) {
			pAC->GIni.GP[0].PFlowCtrlMode =
				SK_FLOW_MODE_SYM_OR_REM;
		}
		else if (strcmp(FlowCtrl_A[pAC->Index],"Sym")==0) {
			pAC->GIni.GP[0].PFlowCtrlMode =
				SK_FLOW_MODE_SYMMETRIC;
		}
		else if (strcmp(FlowCtrl_A[pAC->Index],"LocSend")==0) {
			pAC->GIni.GP[0].PFlowCtrlMode =
				SK_FLOW_MODE_LOC_SEND;
		}
		else if (strcmp(FlowCtrl_A[pAC->Index],"None")==0) {
			pAC->GIni.GP[0].PFlowCtrlMode =
				SK_FLOW_MODE_NONE;
		}
		else printk("Illegal value for FlowCtrl_A\n");
	}
	if (AutoNeg==AN_OFF && pAC->GIni.GP[0].PFlowCtrlMode!=
		SK_FLOW_MODE_NONE) {
		printk("%s, Port A: FlowControl"
			" impossible without AutoNegotiation,"
			" disabled\n", pAC->dev[0]->name);
		pAC->GIni.GP[0].PFlowCtrlMode = SK_FLOW_MODE_NONE;
	}

	MSMode = SK_MS_MODE_AUTO; /* default: do auto select */
	if (Role_A != NULL && pAC->Index<SK_MAX_CARD_PARAM &&
		Role_A[pAC->Index] != NULL) {
		if (strcmp(Role_A[pAC->Index],"")==0) {
		}
		else if (strcmp(Role_A[pAC->Index],"Auto")==0) {
			MSMode = SK_MS_MODE_AUTO;
		}
		else if (strcmp(Role_A[pAC->Index],"Master")==0) {
			MSMode = SK_MS_MODE_MASTER;
		}
		else if (strcmp(Role_A[pAC->Index],"Slave")==0) {
			MSMode = SK_MS_MODE_SLAVE;
		}
		else printk("%s: Illegal value for Role_A\n",
			pAC->dev[0]->name);
	}
	pAC->GIni.GP[0].PMSMode = MSMode;
	
	
	/* settings for port B */
	AutoNeg = AN_SENS; /* default: do auto Sense */
	AutoSet = SK_FALSE;
	if (AutoNeg_B != NULL && pAC->Index<SK_MAX_CARD_PARAM &&
		AutoNeg_B[pAC->Index] != NULL) {
		AutoSet = SK_TRUE;
		if (strcmp(AutoNeg_B[pAC->Index],"")==0) {
			AutoSet = SK_FALSE;
		}
		else if (strcmp(AutoNeg_B[pAC->Index],"On")==0) {
			AutoNeg = AN_ON;
		}
		else if (strcmp(AutoNeg_B[pAC->Index],"Off")==0) {
			AutoNeg = AN_OFF;
		}
		else if (strcmp(AutoNeg_B[pAC->Index],"Sense")==0) {
			AutoNeg = AN_SENS;
		}
		else printk("Illegal value for AutoNeg_B\n");
	}

	DuplexCap = DC_BOTH;
	DupSet = SK_FALSE;
	if (DupCap_B != NULL && pAC->Index<SK_MAX_CARD_PARAM &&
		DupCap_B[pAC->Index] != NULL) {
		DupSet = SK_TRUE;
		if (strcmp(DupCap_B[pAC->Index],"")==0) {
			DupSet = SK_FALSE;
		}
		else if (strcmp(DupCap_B[pAC->Index],"Both")==0) {
			DuplexCap = DC_BOTH;
		}
		else if (strcmp(DupCap_B[pAC->Index],"Full")==0) {
			DuplexCap = DC_FULL;
		}
		else if (strcmp(DupCap_B[pAC->Index],"Half")==0) {
			DuplexCap = DC_HALF;
		}
		else printk("Illegal value for DupCap_B\n");
	}
	
	/* check for illegal combinations */
	if (AutoSet && AutoNeg==AN_SENS && DupSet) {
		printk("%s, Port B: DuplexCapabilities"
			" ignored using Sense mode\n", pAC->dev[1]->name);
	}
	if (AutoSet && AutoNeg==AN_OFF && DupSet && DuplexCap==DC_BOTH){
		printk("%s, Port B: Illegal combination"
			" of values AutoNeg. and DuplexCap.\n    Using "
			"Full Duplex\n", pAC->dev[1]->name);

		DuplexCap = DC_FULL;
	}
	if (AutoSet && AutoNeg==AN_OFF && !DupSet) {
		DuplexCap = DC_FULL;
	}
	
	if (!AutoSet && DupSet) {
		printk("%s, Port B: Duplex setting not"
			" possible in\n    default AutoNegotiation mode"
			" (Sense).\n    Using AutoNegotiation On\n",
			pAC->dev[1]->name);
		AutoNeg = AN_ON;
	}

	/* set the desired mode */
	pAC->GIni.GP[1].PLinkModeConf =
		Capabilities[AutoNeg][DuplexCap];

	pAC->GIni.GP[1].PFlowCtrlMode = SK_FLOW_MODE_SYM_OR_REM;
	if (FlowCtrl_B != NULL && pAC->Index<SK_MAX_CARD_PARAM &&
		FlowCtrl_B[pAC->Index] != NULL) {
		if (strcmp(FlowCtrl_B[pAC->Index],"") == 0) {
		}
		else if (strcmp(FlowCtrl_B[pAC->Index],"SymOrRem") == 0) {
			pAC->GIni.GP[1].PFlowCtrlMode =
				SK_FLOW_MODE_SYM_OR_REM;
		}
		else if (strcmp(FlowCtrl_B[pAC->Index],"Sym")==0) {
			pAC->GIni.GP[1].PFlowCtrlMode =
				SK_FLOW_MODE_SYMMETRIC;
		}
		else if (strcmp(FlowCtrl_B[pAC->Index],"LocSend")==0) {
			pAC->GIni.GP[1].PFlowCtrlMode =
				SK_FLOW_MODE_LOC_SEND;
		}
		else if (strcmp(FlowCtrl_B[pAC->Index],"None")==0) {
			pAC->GIni.GP[1].PFlowCtrlMode =
				SK_FLOW_MODE_NONE;
		}
		else printk("Illegal value for FlowCtrl_B\n");
	}
	if (AutoNeg==AN_OFF && pAC->GIni.GP[1].PFlowCtrlMode!=
		SK_FLOW_MODE_NONE) {
		printk("%s, Port B: FlowControl"
			" impossible without AutoNegotiation,"
			" disabled\n", pAC->dev[1]->name);
		pAC->GIni.GP[1].PFlowCtrlMode = SK_FLOW_MODE_NONE;
	}

	MSMode = SK_MS_MODE_AUTO; /* default: do auto select */
	if (Role_B != NULL && pAC->Index<SK_MAX_CARD_PARAM &&
		Role_B[pAC->Index] != NULL) {
		if (strcmp(Role_B[pAC->Index],"")==0) {
		}
		else if (strcmp(Role_B[pAC->Index],"Auto")==0) {
			MSMode = SK_MS_MODE_AUTO;
		}
		else if (strcmp(Role_B[pAC->Index],"Master")==0) {
			MSMode = SK_MS_MODE_MASTER;
		}
		else if (strcmp(Role_B[pAC->Index],"Slave")==0) {
			MSMode = SK_MS_MODE_SLAVE;
		}
		else printk("%s: Illegal value for Role_B\n",
			pAC->dev[1]->name);
	}
	pAC->GIni.GP[1].PMSMode = MSMode;
	
	
	/* settings for both ports */
	pAC->ActivePort = 0;
	if (PrefPort != NULL && pAC->Index<SK_MAX_CARD_PARAM &&
		PrefPort[pAC->Index] != NULL) {
		if (strcmp(PrefPort[pAC->Index],"") == 0) { /* Auto */
			pAC->ActivePort = 0;
			pAC->Rlmt.Net[0].Preference = -1; /* auto */
			pAC->Rlmt.Net[0].PrefPort = 0;
		}
		else if (strcmp(PrefPort[pAC->Index],"A") == 0) {
			/*
			 * do not set ActivePort here, thus a port
			 * switch is issued after net up.
			 */
			Port = 0;
			pAC->Rlmt.Net[0].Preference = Port;
			pAC->Rlmt.Net[0].PrefPort = Port;
		}
		else if (strcmp(PrefPort[pAC->Index],"B") == 0) {
			/*
			 * do not set ActivePort here, thus a port
			 * switch is issued after net up.
			 */
			Port = 1;
			pAC->Rlmt.Net[0].Preference = Port;
			pAC->Rlmt.Net[0].PrefPort = Port;
		}
		else printk("%s: Illegal value for PrefPort\n",
			pAC->dev[0]->name);
	}

	pAC->RlmtNets = 1;
	
	if (RlmtMode != NULL && pAC->Index<SK_MAX_CARD_PARAM &&
		RlmtMode[pAC->Index] != NULL) {
		if (strcmp(RlmtMode[pAC->Index], "") == 0) {
			pAC->RlmtMode = 0;
		}
		else if (strcmp(RlmtMode[pAC->Index], "CheckLinkState") == 0) {
			pAC->RlmtMode = SK_RLMT_CHECK_LINK;
		}
		else if (strcmp(RlmtMode[pAC->Index], "CheckLocalPort") == 0) {
			pAC->RlmtMode = SK_RLMT_CHECK_LINK |
				SK_RLMT_CHECK_LOC_LINK;
		}
		else if (strcmp(RlmtMode[pAC->Index], "CheckSeg") == 0) {
			pAC->RlmtMode = SK_RLMT_CHECK_LINK |
				SK_RLMT_CHECK_LOC_LINK | 
				SK_RLMT_CHECK_SEG;
		}
		else if ((strcmp(RlmtMode[pAC->Index], "DualNet") == 0) &&
			(pAC->GIni.GIMacsFound == 2)) {
				pAC->RlmtMode = SK_RLMT_CHECK_LINK;
				pAC->RlmtNets = 2;
		}
		else {
			printk("%s: Illegal value for"
				" RlmtMode, using default\n", pAC->dev[0]->name);

printk("MacFound = %d\nRlmtMode = %s", pAC->GIni.GIMacsFound, RlmtMode[pAC->Index]);
	

			pAC->RlmtMode = 0;
		}
	}
	else {
		pAC->RlmtMode = 0;
	}
} /* GetConfiguration */