X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=drivers%2Fnet%2Fe1000%2Fe1000_param.c;h=cf2a279307e1ce0a547c0a4f7e6ea7a04ff0b603;hb=refs%2Fheads%2Fvserver;hp=0ef413172c68798562bd467c12e577e3479139c6;hpb=16c70f8c1b54b61c3b951b6fb220df250fe09b32;p=linux-2.6.git diff --git a/drivers/net/e1000/e1000_param.c b/drivers/net/e1000/e1000_param.c index 0ef413172..cf2a27930 100644 --- a/drivers/net/e1000/e1000_param.c +++ b/drivers/net/e1000/e1000_param.c @@ -1,25 +1,24 @@ /******************************************************************************* - - Copyright(c) 1999 - 2006 Intel Corporation. All rights reserved. - - This program is free software; you can redistribute it and/or modify it - under the terms of the GNU General Public License as published by the Free - Software Foundation; either version 2 of the License, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, but WITHOUT - ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + Intel PRO/1000 Linux driver + Copyright(c) 1999 - 2006 Intel Corporation. + + This program is free software; you can redistribute it and/or modify it + under the terms and conditions of the GNU General Public License, + version 2, as published by the Free Software Foundation. + + This program is distributed in the hope it will be useful, but WITHOUT + ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - + You should have received a copy of the GNU General Public License along with - this program; if not, write to the Free Software Foundation, Inc., 59 - Temple Place - Suite 330, Boston, MA 02111-1307, USA. - - The full GNU General Public License is included in this distribution in the - file called LICENSE. - + this program; if not, write to the Free Software Foundation, Inc., + 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. + + The full GNU General Public License is included in this distribution in + the file called "COPYING". + Contact Information: Linux NICS e1000-devel Mailing List @@ -45,16 +44,6 @@ */ #define E1000_PARAM_INIT { [0 ... E1000_MAX_NIC] = OPTION_UNSET } -/* Module Parameters are always initialized to -1, so that the driver - * can tell the difference between no user specified value or the - * user asking for the default value. - * The true default values are loaded in when e1000_check_options is called. - * - * This is a GCC extension to ANSI C. - * See the item "Labeled Elements in Initializers" in the section - * "Extensions to the C Language Family" of the GCC documentation. - */ - #define E1000_PARAM(X, desc) \ static int __devinitdata X[E1000_MAX_NIC+1] = E1000_PARAM_INIT; \ static int num_##X = 0; \ @@ -68,7 +57,6 @@ * * Default Value: 256 */ - E1000_PARAM(TxDescriptors, "Number of transmit descriptors"); /* Receive Descriptor Count @@ -78,7 +66,6 @@ E1000_PARAM(TxDescriptors, "Number of transmit descriptors"); * * Default Value: 256 */ - E1000_PARAM(RxDescriptors, "Number of receive descriptors"); /* User Specified Speed Override @@ -91,7 +78,6 @@ E1000_PARAM(RxDescriptors, "Number of receive descriptors"); * * Default Value: 0 */ - E1000_PARAM(Speed, "Speed setting"); /* User Specified Duplex Override @@ -103,7 +89,6 @@ E1000_PARAM(Speed, "Speed setting"); * * Default Value: 0 */ - E1000_PARAM(Duplex, "Duplex setting"); /* Auto-negotiation Advertisement Override @@ -120,8 +105,9 @@ E1000_PARAM(Duplex, "Duplex setting"); * * Default Value: 0x2F (copper); 0x20 (fiber) */ - E1000_PARAM(AutoNeg, "Advertised auto-negotiation setting"); +#define AUTONEG_ADV_DEFAULT 0x2F +#define AUTONEG_ADV_MASK 0x2F /* User Specified Flow Control Override * @@ -133,8 +119,8 @@ E1000_PARAM(AutoNeg, "Advertised auto-negotiation setting"); * * Default Value: Read flow control settings from the EEPROM */ - E1000_PARAM(FlowControl, "Flow Control setting"); +#define FLOW_CONTROL_DEFAULT FLOW_CONTROL_FULL /* XsumRX - Receive Checksum Offload Enable/Disable * @@ -145,53 +131,54 @@ E1000_PARAM(FlowControl, "Flow Control setting"); * * Default Value: 1 */ - E1000_PARAM(XsumRX, "Disable or enable Receive Checksum offload"); /* Transmit Interrupt Delay in units of 1.024 microseconds + * Tx interrupt delay needs to typically be set to something non zero * * Valid Range: 0-65535 - * - * Default Value: 64 */ - E1000_PARAM(TxIntDelay, "Transmit Interrupt Delay"); +#define DEFAULT_TIDV 8 +#define MAX_TXDELAY 0xFFFF +#define MIN_TXDELAY 0 /* Transmit Absolute Interrupt Delay in units of 1.024 microseconds * * Valid Range: 0-65535 - * - * Default Value: 0 */ - E1000_PARAM(TxAbsIntDelay, "Transmit Absolute Interrupt Delay"); +#define DEFAULT_TADV 32 +#define MAX_TXABSDELAY 0xFFFF +#define MIN_TXABSDELAY 0 /* Receive Interrupt Delay in units of 1.024 microseconds + * hardware will likely hang if you set this to anything but zero. * * Valid Range: 0-65535 - * - * Default Value: 0 */ - E1000_PARAM(RxIntDelay, "Receive Interrupt Delay"); +#define DEFAULT_RDTR 0 +#define MAX_RXDELAY 0xFFFF +#define MIN_RXDELAY 0 /* Receive Absolute Interrupt Delay in units of 1.024 microseconds * * Valid Range: 0-65535 - * - * Default Value: 128 */ - E1000_PARAM(RxAbsIntDelay, "Receive Absolute Interrupt Delay"); +#define DEFAULT_RADV 8 +#define MAX_RXABSDELAY 0xFFFF +#define MIN_RXABSDELAY 0 /* Interrupt Throttle Rate (interrupts/sec) * - * Valid Range: 100-100000 (0=off, 1=dynamic) - * - * Default Value: 8000 + * Valid Range: 100-100000 (0=off, 1=dynamic, 3=dynamic conservative) */ - E1000_PARAM(InterruptThrottleRate, "Interrupt Throttling Rate"); +#define DEFAULT_ITR 3 +#define MAX_ITR 100000 +#define MIN_ITR 100 /* Enable Smart Power Down of the PHY * @@ -199,7 +186,6 @@ E1000_PARAM(InterruptThrottleRate, "Interrupt Throttling Rate"); * * Default Value: 0 (disabled) */ - E1000_PARAM(SmartPowerDownEnable, "Enable PHY smart power down"); /* Enable Kumeran Lock Loss workaround @@ -208,33 +194,8 @@ E1000_PARAM(SmartPowerDownEnable, "Enable PHY smart power down"); * * Default Value: 1 (enabled) */ - E1000_PARAM(KumeranLockLoss, "Enable Kumeran lock loss workaround"); -#define AUTONEG_ADV_DEFAULT 0x2F -#define AUTONEG_ADV_MASK 0x2F -#define FLOW_CONTROL_DEFAULT FLOW_CONTROL_FULL - -#define DEFAULT_RDTR 0 -#define MAX_RXDELAY 0xFFFF -#define MIN_RXDELAY 0 - -#define DEFAULT_RADV 128 -#define MAX_RXABSDELAY 0xFFFF -#define MIN_RXABSDELAY 0 - -#define DEFAULT_TIDV 64 -#define MAX_TXDELAY 0xFFFF -#define MIN_TXDELAY 0 - -#define DEFAULT_TADV 64 -#define MAX_TXABSDELAY 0xFFFF -#define MIN_TXABSDELAY 0 - -#define DEFAULT_ITR 8000 -#define MAX_ITR 100000 -#define MIN_ITR 100 - struct e1000_option { enum { enable_option, range_option, list_option } type; char *name; @@ -324,7 +285,6 @@ e1000_check_options(struct e1000_adapter *adapter) DPRINTK(PROBE, NOTICE, "Warning: no configuration for board #%i\n", bd); DPRINTK(PROBE, NOTICE, "Using defaults for all values\n"); - bd = E1000_MAX_NIC; } { /* Transmit Descriptor Count */ @@ -342,9 +302,14 @@ e1000_check_options(struct e1000_adapter *adapter) opt.arg.r.max = mac_type < e1000_82544 ? E1000_MAX_TXD : E1000_MAX_82544_TXD; - tx_ring->count = TxDescriptors[bd]; - e1000_validate_option(&tx_ring->count, &opt, adapter); - E1000_ROUNDUP(tx_ring->count, REQ_TX_DESCRIPTOR_MULTIPLE); + if (num_TxDescriptors > bd) { + tx_ring->count = TxDescriptors[bd]; + e1000_validate_option(&tx_ring->count, &opt, adapter); + E1000_ROUNDUP(tx_ring->count, + REQ_TX_DESCRIPTOR_MULTIPLE); + } else { + tx_ring->count = opt.def; + } for (i = 0; i < adapter->num_tx_queues; i++) tx_ring[i].count = tx_ring->count; } @@ -363,9 +328,14 @@ e1000_check_options(struct e1000_adapter *adapter) opt.arg.r.max = mac_type < e1000_82544 ? E1000_MAX_RXD : E1000_MAX_82544_RXD; - rx_ring->count = RxDescriptors[bd]; - e1000_validate_option(&rx_ring->count, &opt, adapter); - E1000_ROUNDUP(rx_ring->count, REQ_RX_DESCRIPTOR_MULTIPLE); + if (num_RxDescriptors > bd) { + rx_ring->count = RxDescriptors[bd]; + e1000_validate_option(&rx_ring->count, &opt, adapter); + E1000_ROUNDUP(rx_ring->count, + REQ_RX_DESCRIPTOR_MULTIPLE); + } else { + rx_ring->count = opt.def; + } for (i = 0; i < adapter->num_rx_queues; i++) rx_ring[i].count = rx_ring->count; } @@ -377,31 +347,39 @@ e1000_check_options(struct e1000_adapter *adapter) .def = OPTION_ENABLED }; - int rx_csum = XsumRX[bd]; - e1000_validate_option(&rx_csum, &opt, adapter); - adapter->rx_csum = rx_csum; + if (num_XsumRX > bd) { + int rx_csum = XsumRX[bd]; + e1000_validate_option(&rx_csum, &opt, adapter); + adapter->rx_csum = rx_csum; + } else { + adapter->rx_csum = opt.def; + } } { /* 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" }}; + {{ 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, + .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; + if (num_FlowControl > bd) { + int fc = FlowControl[bd]; + e1000_validate_option(&fc, &opt, adapter); + adapter->hw.fc = adapter->hw.original_fc = fc; + } else { + adapter->hw.fc = adapter->hw.original_fc = opt.def; + } } { /* Transmit Interrupt Delay */ struct e1000_option opt = { @@ -413,8 +391,13 @@ e1000_check_options(struct e1000_adapter *adapter) .max = MAX_TXDELAY }} }; - adapter->tx_int_delay = TxIntDelay[bd]; - e1000_validate_option(&adapter->tx_int_delay, &opt, adapter); + if (num_TxIntDelay > bd) { + adapter->tx_int_delay = TxIntDelay[bd]; + e1000_validate_option(&adapter->tx_int_delay, &opt, + adapter); + } else { + adapter->tx_int_delay = opt.def; + } } { /* Transmit Absolute Interrupt Delay */ struct e1000_option opt = { @@ -426,9 +409,13 @@ e1000_check_options(struct e1000_adapter *adapter) .max = MAX_TXABSDELAY }} }; - adapter->tx_abs_int_delay = TxAbsIntDelay[bd]; - e1000_validate_option(&adapter->tx_abs_int_delay, &opt, - adapter); + if (num_TxAbsIntDelay > bd) { + adapter->tx_abs_int_delay = TxAbsIntDelay[bd]; + e1000_validate_option(&adapter->tx_abs_int_delay, &opt, + adapter); + } else { + adapter->tx_abs_int_delay = opt.def; + } } { /* Receive Interrupt Delay */ struct e1000_option opt = { @@ -440,8 +427,13 @@ e1000_check_options(struct e1000_adapter *adapter) .max = MAX_RXDELAY }} }; - adapter->rx_int_delay = RxIntDelay[bd]; - e1000_validate_option(&adapter->rx_int_delay, &opt, adapter); + if (num_RxIntDelay > bd) { + adapter->rx_int_delay = RxIntDelay[bd]; + e1000_validate_option(&adapter->rx_int_delay, &opt, + adapter); + } else { + adapter->rx_int_delay = opt.def; + } } { /* Receive Absolute Interrupt Delay */ struct e1000_option opt = { @@ -453,9 +445,13 @@ e1000_check_options(struct e1000_adapter *adapter) .max = MAX_RXABSDELAY }} }; - adapter->rx_abs_int_delay = RxAbsIntDelay[bd]; - e1000_validate_option(&adapter->rx_abs_int_delay, &opt, - adapter); + if (num_RxAbsIntDelay > bd) { + adapter->rx_abs_int_delay = RxAbsIntDelay[bd]; + e1000_validate_option(&adapter->rx_abs_int_delay, &opt, + adapter); + } else { + adapter->rx_abs_int_delay = opt.def; + } } { /* Interrupt Throttling Rate */ struct e1000_option opt = { @@ -467,18 +463,38 @@ e1000_check_options(struct e1000_adapter *adapter) .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; - default: - e1000_validate_option(&adapter->itr, &opt, adapter); - break; + if (num_InterruptThrottleRate > bd) { + 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); + adapter->itr_setting = adapter->itr; + adapter->itr = 20000; + break; + case 3: + DPRINTK(PROBE, INFO, + "%s set to dynamic conservative mode\n", + opt.name); + adapter->itr_setting = adapter->itr; + adapter->itr = 20000; + break; + default: + e1000_validate_option(&adapter->itr, &opt, + adapter); + /* save the setting, because the dynamic bits change itr */ + /* clear the lower two bits because they are + * used as control */ + adapter->itr_setting = adapter->itr & ~3; + break; + } + } else { + adapter->itr_setting = opt.def; + adapter->itr = 20000; } } { /* Smart Power Down */ @@ -489,9 +505,13 @@ e1000_check_options(struct e1000_adapter *adapter) .def = OPTION_DISABLED }; - int spd = SmartPowerDownEnable[bd]; - e1000_validate_option(&spd, &opt, adapter); - adapter->smart_power_down = spd; + if (num_SmartPowerDownEnable > bd) { + int spd = SmartPowerDownEnable[bd]; + e1000_validate_option(&spd, &opt, adapter); + adapter->smart_power_down = spd; + } else { + adapter->smart_power_down = opt.def; + } } { /* Kumeran Lock Loss Workaround */ struct e1000_option opt = { @@ -501,9 +521,13 @@ e1000_check_options(struct e1000_adapter *adapter) .def = OPTION_ENABLED }; + if (num_KumeranLockLoss > bd) { int kmrn_lock_loss = KumeranLockLoss[bd]; e1000_validate_option(&kmrn_lock_loss, &opt, adapter); adapter->hw.kmrn_lock_loss_workaround_disabled = !kmrn_lock_loss; + } else { + adapter->hw.kmrn_lock_loss_workaround_disabled = !opt.def; + } } switch (adapter->hw.media_type) { @@ -530,18 +554,17 @@ 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)) { + if (num_Speed > bd) { DPRINTK(PROBE, INFO, "Speed not valid for fiber adapters, " "parameter ignored\n"); } - if ((Duplex[bd] != OPTION_UNSET)) { + if (num_Duplex > bd) { DPRINTK(PROBE, INFO, "Duplex not valid for fiber adapters, " "parameter ignored\n"); } - if ((AutoNeg[bd] != OPTION_UNSET) && (AutoNeg[bd] != 0x20)) { + if ((num_AutoNeg > bd) && (AutoNeg[bd] != 0x20)) { DPRINTK(PROBE, INFO, "AutoNeg other than 1000/Full is " "not valid for fiber adapters, " "parameter ignored\n"); @@ -560,7 +583,6 @@ e1000_check_copper_options(struct e1000_adapter *adapter) { int speed, dplx, an; int bd = adapter->bd_number; - bd = bd > E1000_MAX_NIC ? E1000_MAX_NIC : bd; { /* Speed */ struct e1000_opt_list speed_list[] = {{ 0, "" }, @@ -577,8 +599,12 @@ e1000_check_copper_options(struct e1000_adapter *adapter) .p = speed_list }} }; - speed = Speed[bd]; - e1000_validate_option(&speed, &opt, adapter); + if (num_Speed > bd) { + speed = Speed[bd]; + e1000_validate_option(&speed, &opt, adapter); + } else { + speed = opt.def; + } } { /* Duplex */ struct e1000_opt_list dplx_list[] = {{ 0, "" }, @@ -600,11 +626,15 @@ e1000_check_copper_options(struct e1000_adapter *adapter) "Speed/Duplex/AutoNeg parameter ignored.\n"); return; } - dplx = Duplex[bd]; - e1000_validate_option(&dplx, &opt, adapter); + if (num_Duplex > bd) { + dplx = Duplex[bd]; + e1000_validate_option(&dplx, &opt, adapter); + } else { + dplx = opt.def; + } } - if (AutoNeg[bd] != OPTION_UNSET && (speed != 0 || dplx != 0)) { + if ((num_AutoNeg > bd) && (speed != 0 || dplx != 0)) { DPRINTK(PROBE, INFO, "AutoNeg specified along with Speed or Duplex, " "parameter ignored\n"); @@ -653,15 +683,19 @@ e1000_check_copper_options(struct e1000_adapter *adapter) .p = an_list }} }; - an = AutoNeg[bd]; - e1000_validate_option(&an, &opt, adapter); + if (num_AutoNeg > bd) { + an = AutoNeg[bd]; + e1000_validate_option(&an, &opt, adapter); + } else { + an = opt.def; + } 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) + if ((num_Speed > bd) && (speed != 0 || dplx != 0)) DPRINTK(PROBE, INFO, "Speed and duplex autonegotiation enabled\n"); break;