e1000_param.c

linux-2.4.29操作系统的源码

			adapter->rx_csum = rx_csum;
	}
	{ /* Flow Control */

		struct e1000_opt_list fc_list[] =
			{{ e1000_fc_none,    "Flow Control Disabled" },
			 { e1000_fc_rx_pause,"Flow Control Receive Only" },
			 { e1000_fc_tx_pause,"Flow Control Transmit Only" },
			 { e1000_fc_full,    "Flow Control Enabled" },
			 { e1000_fc_default, "Flow Control Hardware Default" }};

		struct e1000_option opt = {
			.type = list_option,
			.name = "Flow Control",
			.err  = "reading default settings from EEPROM",
			.def  = e1000_fc_default,
			.arg  = { .l = { .nr = ARRAY_SIZE(fc_list),
					 .p = fc_list }}
		};

			int fc = FlowControl[bd];
			e1000_validate_option(&fc, &opt, adapter);
			adapter->hw.fc = adapter->hw.original_fc = fc;
	}
	{ /* Transmit Interrupt Delay */
		struct e1000_option opt = {
			.type = range_option,
			.name = "Transmit Interrupt Delay",
			.err  = "using default of " __MODULE_STRING(DEFAULT_TIDV),
			.def  = DEFAULT_TIDV,
			.arg  = { .r = { .min = MIN_TXDELAY,
					 .max = MAX_TXDELAY }}
		};

			adapter->tx_int_delay = TxIntDelay[bd];
			e1000_validate_option(&adapter->tx_int_delay, &opt, 
								adapter);
	}
	{ /* Transmit Absolute Interrupt Delay */
		struct e1000_option opt = {
			.type = range_option,
			.name = "Transmit Absolute Interrupt Delay",
			.err  = "using default of " __MODULE_STRING(DEFAULT_TADV),
			.def  = DEFAULT_TADV,
			.arg  = { .r = { .min = MIN_TXABSDELAY,
					 .max = MAX_TXABSDELAY }}
		};

			adapter->tx_abs_int_delay = TxAbsIntDelay[bd];
			e1000_validate_option(&adapter->tx_abs_int_delay, &opt, 
								adapter);
	}
	{ /* Receive Interrupt Delay */
		struct e1000_option opt = {
			.type = range_option,
			.name = "Receive Interrupt Delay",
			.err  = "using default of " __MODULE_STRING(DEFAULT_RDTR),
			.def  = DEFAULT_RDTR,
			.arg  = { .r = { .min = MIN_RXDELAY,
					 .max = MAX_RXDELAY }}
		};

			adapter->rx_int_delay = RxIntDelay[bd];
			e1000_validate_option(&adapter->rx_int_delay, &opt, 
								adapter);
	}
	{ /* Receive Absolute Interrupt Delay */
		struct e1000_option opt = {
			.type = range_option,
			.name = "Receive Absolute Interrupt Delay",
			.err  = "using default of " __MODULE_STRING(DEFAULT_RADV),
			.def  = DEFAULT_RADV,
			.arg  = { .r = { .min = MIN_RXABSDELAY,
					 .max = MAX_RXABSDELAY }}
		};

			adapter->rx_abs_int_delay = RxAbsIntDelay[bd];
			e1000_validate_option(&adapter->rx_abs_int_delay, &opt, 
								adapter);
	}
	{ /* Interrupt Throttling Rate */
		struct e1000_option opt = {
			.type = range_option,
			.name = "Interrupt Throttling Rate (ints/sec)",
			.err  = "using default of " __MODULE_STRING(DEFAULT_ITR),
			.def  = DEFAULT_ITR,
			.arg  = { .r = { .min = MIN_ITR,
					 .max = MAX_ITR }}
		};

			adapter->itr = InterruptThrottleRate[bd];
			switch(adapter->itr) {
			case 0:
				DPRINTK(PROBE, INFO, "%s turned off\n", 
					opt.name);
				break;
			case 1:
				DPRINTK(PROBE, INFO, "%s set to dynamic mode\n", 
					opt.name);
				break;
			case -1:
			default:
				e1000_validate_option(&adapter->itr, &opt, 
					adapter);
				break;
			}
	}

	switch(adapter->hw.media_type) {
	case e1000_media_type_fiber:
	case e1000_media_type_internal_serdes:
		e1000_check_fiber_options(adapter);
		break;
	case e1000_media_type_copper:
		e1000_check_copper_options(adapter);
		break;
	default:
		BUG();
	}
}

/**
 * e1000_check_fiber_options - Range Checking for Link Options, Fiber Version
 * @adapter: board private structure
 *
 * Handles speed and duplex options on fiber adapters
 **/

static void __devinit
e1000_check_fiber_options(struct e1000_adapter *adapter)
{
	int bd = adapter->bd_number;
	bd = bd > E1000_MAX_NIC ? E1000_MAX_NIC : bd;
	if((Speed[bd] != OPTION_UNSET)) {
		DPRINTK(PROBE, INFO, "Speed not valid for fiber adapters, "
		       "parameter ignored\n");
	}

	if((Duplex[bd] != OPTION_UNSET)) {
		DPRINTK(PROBE, INFO, "Duplex not valid for fiber adapters, "
		       "parameter ignored\n");
	}

	if((AutoNeg[bd] != OPTION_UNSET) && (AutoNeg[bd] != 0x20)) {
		DPRINTK(PROBE, INFO, "AutoNeg other than 1000/Full is "
				 "not valid for fiber adapters, "
				 "parameter ignored\n");
	}
}

/**
 * e1000_check_copper_options - Range Checking for Link Options, Copper Version
 * @adapter: board private structure
 *
 * Handles speed and duplex options on copper adapters
 **/

static void __devinit
e1000_check_copper_options(struct e1000_adapter *adapter)
{
	int speed, dplx;
	int bd = adapter->bd_number;
	bd = bd > E1000_MAX_NIC ? E1000_MAX_NIC : bd;

	{ /* Speed */
		struct e1000_opt_list speed_list[] = {{          0, "" },
						      {   SPEED_10, "" },
						      {  SPEED_100, "" },
						      { SPEED_1000, "" }};

		struct e1000_option opt = {
			.type = list_option,
			.name = "Speed",
			.err  = "parameter ignored",
			.def  = 0,
			.arg  = { .l = { .nr = ARRAY_SIZE(speed_list),
					 .p = speed_list }}
		};

			speed = Speed[bd];
			e1000_validate_option(&speed, &opt, adapter);
	}
	{ /* Duplex */
		struct e1000_opt_list dplx_list[] = {{           0, "" },
						     { HALF_DUPLEX, "" },
						     { FULL_DUPLEX, "" }};

		struct e1000_option opt = {
			.type = list_option,
			.name = "Duplex",
			.err  = "parameter ignored",
			.def  = 0,
			.arg  = { .l = { .nr = ARRAY_SIZE(dplx_list),
					 .p = dplx_list }}
		};

			dplx = Duplex[bd];
			e1000_validate_option(&dplx, &opt, adapter);
	}

	if(AutoNeg[bd] != OPTION_UNSET && (speed != 0 || dplx != 0)) {
		DPRINTK(PROBE, INFO,
		       "AutoNeg specified along with Speed or Duplex, "
		       "parameter ignored\n");
		adapter->hw.autoneg_advertised = AUTONEG_ADV_DEFAULT;
	} else { /* Autoneg */
		struct e1000_opt_list an_list[] =
			#define AA "AutoNeg advertising "
			{{ 0x01, AA "10/HD" },
			 { 0x02, AA "10/FD" },
			 { 0x03, AA "10/FD, 10/HD" },
			 { 0x04, AA "100/HD" },
			 { 0x05, AA "100/HD, 10/HD" },
			 { 0x06, AA "100/HD, 10/FD" },
			 { 0x07, AA "100/HD, 10/FD, 10/HD" },
			 { 0x08, AA "100/FD" },
			 { 0x09, AA "100/FD, 10/HD" },
			 { 0x0a, AA "100/FD, 10/FD" },
			 { 0x0b, AA "100/FD, 10/FD, 10/HD" },
			 { 0x0c, AA "100/FD, 100/HD" },
			 { 0x0d, AA "100/FD, 100/HD, 10/HD" },
			 { 0x0e, AA "100/FD, 100/HD, 10/FD" },
			 { 0x0f, AA "100/FD, 100/HD, 10/FD, 10/HD" },
			 { 0x20, AA "1000/FD" },
			 { 0x21, AA "1000/FD, 10/HD" },
			 { 0x22, AA "1000/FD, 10/FD" },
			 { 0x23, AA "1000/FD, 10/FD, 10/HD" },
			 { 0x24, AA "1000/FD, 100/HD" },
			 { 0x25, AA "1000/FD, 100/HD, 10/HD" },
			 { 0x26, AA "1000/FD, 100/HD, 10/FD" },
			 { 0x27, AA "1000/FD, 100/HD, 10/FD, 10/HD" },
			 { 0x28, AA "1000/FD, 100/FD" },
			 { 0x29, AA "1000/FD, 100/FD, 10/HD" },
			 { 0x2a, AA "1000/FD, 100/FD, 10/FD" },
			 { 0x2b, AA "1000/FD, 100/FD, 10/FD, 10/HD" },
			 { 0x2c, AA "1000/FD, 100/FD, 100/HD" },
			 { 0x2d, AA "1000/FD, 100/FD, 100/HD, 10/HD" },
			 { 0x2e, AA "1000/FD, 100/FD, 100/HD, 10/FD" },
			 { 0x2f, AA "1000/FD, 100/FD, 100/HD, 10/FD, 10/HD" }};

		struct e1000_option opt = {
			.type = list_option,
			.name = "AutoNeg",
			.err  = "parameter ignored",
			.def  = AUTONEG_ADV_DEFAULT,
			.arg  = { .l = { .nr = ARRAY_SIZE(an_list),
					 .p = an_list }}
		};

		int an = AutoNeg[bd];
		e1000_validate_option(&an, &opt, adapter);
		adapter->hw.autoneg_advertised = an;
	}

	switch (speed + dplx) {
	case 0:
		adapter->hw.autoneg = adapter->fc_autoneg = 1;
		if(Speed[bd] != OPTION_UNSET || Duplex[bd] != OPTION_UNSET)
			DPRINTK(PROBE, INFO,
			       "Speed and duplex autonegotiation enabled\n");
		break;
	case HALF_DUPLEX:
		DPRINTK(PROBE, INFO, "Half Duplex specified without Speed\n");
		DPRINTK(PROBE, INFO, "Using Autonegotiation at "
			"Half Duplex only\n");
		adapter->hw.autoneg = adapter->fc_autoneg = 1;
		adapter->hw.autoneg_advertised = ADVERTISE_10_HALF |
		                                 ADVERTISE_100_HALF;
		break;
	case FULL_DUPLEX:
		DPRINTK(PROBE, INFO, "Full Duplex specified without Speed\n");
		DPRINTK(PROBE, INFO, "Using Autonegotiation at "
			"Full Duplex only\n");
		adapter->hw.autoneg = adapter->fc_autoneg = 1;
		adapter->hw.autoneg_advertised = ADVERTISE_10_FULL |
		                                 ADVERTISE_100_FULL |
		                                 ADVERTISE_1000_FULL;
		break;
	case SPEED_10:
		DPRINTK(PROBE, INFO, "10 Mbps Speed specified "
			"without Duplex\n");
		DPRINTK(PROBE, INFO, "Using Autonegotiation at 10 Mbps only\n");
		adapter->hw.autoneg = adapter->fc_autoneg = 1;
		adapter->hw.autoneg_advertised = ADVERTISE_10_HALF |
		                                 ADVERTISE_10_FULL;
		break;
	case SPEED_10 + HALF_DUPLEX:
		DPRINTK(PROBE, INFO, "Forcing to 10 Mbps Half Duplex\n");
		adapter->hw.autoneg = adapter->fc_autoneg = 0;
		adapter->hw.forced_speed_duplex = e1000_10_half;
		adapter->hw.autoneg_advertised = 0;
		break;
	case SPEED_10 + FULL_DUPLEX:
		DPRINTK(PROBE, INFO, "Forcing to 10 Mbps Full Duplex\n");
		adapter->hw.autoneg = adapter->fc_autoneg = 0;
		adapter->hw.forced_speed_duplex = e1000_10_full;
		adapter->hw.autoneg_advertised = 0;
		break;
	case SPEED_100:
		DPRINTK(PROBE, INFO, "100 Mbps Speed specified "
			"without Duplex\n");
		DPRINTK(PROBE, INFO, "Using Autonegotiation at "
			"100 Mbps only\n");
		adapter->hw.autoneg = adapter->fc_autoneg = 1;
		adapter->hw.autoneg_advertised = ADVERTISE_100_HALF |
		                                 ADVERTISE_100_FULL;
		break;
	case SPEED_100 + HALF_DUPLEX:
		DPRINTK(PROBE, INFO, "Forcing to 100 Mbps Half Duplex\n");
		adapter->hw.autoneg = adapter->fc_autoneg = 0;
		adapter->hw.forced_speed_duplex = e1000_100_half;
		adapter->hw.autoneg_advertised = 0;
		break;
	case SPEED_100 + FULL_DUPLEX:
		DPRINTK(PROBE, INFO, "Forcing to 100 Mbps Full Duplex\n");
		adapter->hw.autoneg = adapter->fc_autoneg = 0;
		adapter->hw.forced_speed_duplex = e1000_100_full;
		adapter->hw.autoneg_advertised = 0;
		break;
	case SPEED_1000:
		DPRINTK(PROBE, INFO, "1000 Mbps Speed specified without "
			"Duplex\n");
		DPRINTK(PROBE, INFO,
			"Using Autonegotiation at 1000 Mbps "
			"Full Duplex only\n");
		adapter->hw.autoneg = adapter->fc_autoneg = 1;
		adapter->hw.autoneg_advertised = ADVERTISE_1000_FULL;
		break;
	case SPEED_1000 + HALF_DUPLEX:
		DPRINTK(PROBE, INFO,
			"Half Duplex is not supported at 1000 Mbps\n");
		DPRINTK(PROBE, INFO,
			"Using Autonegotiation at 1000 Mbps "
			"Full Duplex only\n");
		adapter->hw.autoneg = adapter->fc_autoneg = 1;
		adapter->hw.autoneg_advertised = ADVERTISE_1000_FULL;
		break;
	case SPEED_1000 + FULL_DUPLEX:
		DPRINTK(PROBE, INFO,
		       "Using Autonegotiation at 1000 Mbps Full Duplex only\n");
		adapter->hw.autoneg = adapter->fc_autoneg = 1;
		adapter->hw.autoneg_advertised = ADVERTISE_1000_FULL;
		break;
	default:
		BUG();
	}

	/* Speed, AutoNeg and MDI/MDI-X must all play nice */
	if (e1000_validate_mdi_setting(&(adapter->hw)) < 0) {
		DPRINTK(PROBE, INFO,
			"Speed, AutoNeg and MDI-X specifications are "
			"incompatible. Setting MDI-X to a compatible value.\n");
	}
}