ixgb_param.c revision 1459336da45b214a59f0825777549fb0cb60ed7d
11da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/******************************************************************************* 21da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 30abb6eb12806cf99ea815810d470423083c3b9f4Auke Kok Intel PRO/10GbE Linux driver 40abb6eb12806cf99ea815810d470423083c3b9f4Auke Kok Copyright(c) 1999 - 2006 Intel Corporation. 50abb6eb12806cf99ea815810d470423083c3b9f4Auke Kok 60abb6eb12806cf99ea815810d470423083c3b9f4Auke Kok This program is free software; you can redistribute it and/or modify it 70abb6eb12806cf99ea815810d470423083c3b9f4Auke Kok under the terms and conditions of the GNU General Public License, 80abb6eb12806cf99ea815810d470423083c3b9f4Auke Kok version 2, as published by the Free Software Foundation. 90abb6eb12806cf99ea815810d470423083c3b9f4Auke Kok 100abb6eb12806cf99ea815810d470423083c3b9f4Auke Kok This program is distributed in the hope it will be useful, but WITHOUT 110abb6eb12806cf99ea815810d470423083c3b9f4Auke Kok ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 120abb6eb12806cf99ea815810d470423083c3b9f4Auke Kok FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds more details. 140abb6eb12806cf99ea815810d470423083c3b9f4Auke Kok 151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds You should have received a copy of the GNU General Public License along with 160abb6eb12806cf99ea815810d470423083c3b9f4Auke Kok this program; if not, write to the Free Software Foundation, Inc., 170abb6eb12806cf99ea815810d470423083c3b9f4Auke Kok 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. 180abb6eb12806cf99ea815810d470423083c3b9f4Auke Kok 190abb6eb12806cf99ea815810d470423083c3b9f4Auke Kok The full GNU General Public License is included in this distribution in 200abb6eb12806cf99ea815810d470423083c3b9f4Auke Kok the file called "COPYING". 210abb6eb12806cf99ea815810d470423083c3b9f4Auke Kok 221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds Contact Information: 231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds Linux NICS <linux.nics@intel.com> 240abb6eb12806cf99ea815810d470423083c3b9f4Auke Kok e1000-devel Mailing List <e1000-devel@lists.sourceforge.net> 251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds*******************************************************************************/ 281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include "ixgb.h" 301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* This is the only thing that needs to be changed to adjust the 321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * maximum number of ports that the driver can manage. 331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define IXGB_MAX_NIC 8 361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define OPTION_UNSET -1 381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define OPTION_DISABLED 0 391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define OPTION_ENABLED 1 401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* All parameters are treated the same, as an integer array of values. 421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * This macro just reduces the need to repeat the same declaration code 431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * over and over (plus this helps to avoid typo bugs). 441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define IXGB_PARAM_INIT { [0 ... IXGB_MAX_NIC] = OPTION_UNSET } 47273dc74e1c7d9aa2eab2036153c8fe65593fb85eStephen Hemminger#define IXGB_PARAM(X, desc) \ 48273dc74e1c7d9aa2eab2036153c8fe65593fb85eStephen Hemminger static int __devinitdata X[IXGB_MAX_NIC+1] \ 49273dc74e1c7d9aa2eab2036153c8fe65593fb85eStephen Hemminger = IXGB_PARAM_INIT; \ 50273dc74e1c7d9aa2eab2036153c8fe65593fb85eStephen Hemminger static unsigned int num_##X = 0; \ 51273dc74e1c7d9aa2eab2036153c8fe65593fb85eStephen Hemminger module_param_array_named(X, X, int, &num_##X, 0); \ 521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds MODULE_PARM_DESC(X, desc); 531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* Transmit Descriptor Count 551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Valid Range: 64-4096 571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Default Value: 256 591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus TorvaldsIXGB_PARAM(TxDescriptors, "Number of transmit descriptors"); 621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* Receive Descriptor Count 641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Valid Range: 64-4096 661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Default Value: 1024 681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus TorvaldsIXGB_PARAM(RxDescriptors, "Number of receive descriptors"); 711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* User Specified Flow Control Override 731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Valid Range: 0-3 751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * - 0 - No Flow Control 761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * - 1 - Rx only, respond to PAUSE frames but do not generate them 771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * - 2 - Tx only, generate PAUSE frames but ignore them on receive 781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * - 3 - Full Flow Control Support 791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 80953784d66d8f621a8684d007e526ca26b12d54a1Auke Kok * Default Value: 2 - Tx only (silicon bug avoidance) 811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus TorvaldsIXGB_PARAM(FlowControl, "Flow Control setting"); 841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* XsumRX - Receive Checksum Offload Enable/Disable 861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Valid Range: 0, 1 881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * - 0 - disables all checksum offload 891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * - 1 - enables receive IP/TCP/UDP checksum offload 901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * on 82597 based NICs 911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Default Value: 1 931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus TorvaldsIXGB_PARAM(XsumRX, "Disable or enable Receive Checksum offload"); 961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* Transmit Interrupt Delay in units of 0.8192 microseconds 981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Valid Range: 0-65535 1001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 1011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Default Value: 32 1021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 1031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus TorvaldsIXGB_PARAM(TxIntDelay, "Transmit Interrupt Delay"); 1051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* Receive Interrupt Delay in units of 0.8192 microseconds 1071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 1081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Valid Range: 0-65535 1091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 1101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Default Value: 72 1111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 1121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus TorvaldsIXGB_PARAM(RxIntDelay, "Receive Interrupt Delay"); 1141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* Receive Flow control high threshold (when we send a pause frame) 1161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * (FCRTH) 1171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 1181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Valid Range: 1,536 - 262,136 (0x600 - 0x3FFF8, 8 byte granularity) 1191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 1201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Default Value: 196,608 (0x30000) 1211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 1221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus TorvaldsIXGB_PARAM(RxFCHighThresh, "Receive Flow Control High Threshold"); 1241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* Receive Flow control low threshold (when we send a resume frame) 1261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * (FCRTL) 1271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 1281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Valid Range: 64 - 262,136 (0x40 - 0x3FFF8, 8 byte granularity) 1291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * must be less than high threshold by at least 8 bytes 1301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 1311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Default Value: 163,840 (0x28000) 1321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 1331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus TorvaldsIXGB_PARAM(RxFCLowThresh, "Receive Flow Control Low Threshold"); 1351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* Flow control request timeout (how long to pause the link partner's tx) 1371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * (PAP 15:0) 1381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 1390060c07230ee6a5b070388ae55855c594a3d9132Jesse Brandeburg * Valid Range: 1 - 65535 1401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 141953784d66d8f621a8684d007e526ca26b12d54a1Auke Kok * Default Value: 65535 (0xffff) (we'll send an xon if we recover) 1421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 1431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus TorvaldsIXGB_PARAM(FCReqTimeout, "Flow Control Request Timeout"); 1451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* Interrupt Delay Enable 1471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 1481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Valid Range: 0, 1 1491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 1501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * - 0 - disables transmit interrupt delay 1511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * - 1 - enables transmmit interrupt delay 1521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 1531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Default Value: 1 1541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 1551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus TorvaldsIXGB_PARAM(IntDelayEnable, "Transmit Interrupt Delay Enable"); 1571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define DEFAULT_TIDV 32 1601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define MAX_TIDV 0xFFFF 1611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define MIN_TIDV 0 1621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define DEFAULT_RDTR 72 1641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define MAX_RDTR 0xFFFF 1651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define MIN_RDTR 0 1661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define XSUMRX_DEFAULT OPTION_ENABLED 1681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define DEFAULT_FCRTL 0x28000 1701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define DEFAULT_FCRTH 0x30000 1711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define MIN_FCRTL 0 1721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define MAX_FCRTL 0x3FFE8 1731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define MIN_FCRTH 8 1741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define MAX_FCRTH 0x3FFF0 1751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define MIN_FCPAUSE 1 1771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define MAX_FCPAUSE 0xffff 178953784d66d8f621a8684d007e526ca26b12d54a1Auke Kok#define DEFAULT_FCPAUSE 0xFFFF /* this may be too long */ 1791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstruct ixgb_option { 1811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds enum { enable_option, range_option, list_option } type; 182273dc74e1c7d9aa2eab2036153c8fe65593fb85eStephen Hemminger const char *name; 183273dc74e1c7d9aa2eab2036153c8fe65593fb85eStephen Hemminger const char *err; 1841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int def; 1851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds union { 1861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct { /* range_option info */ 1871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int min; 1881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int max; 1891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } r; 1901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct { /* list_option info */ 1911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int nr; 1921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct ixgb_opt_list { 1931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int i; 1941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds char *str; 1951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } *p; 1961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } l; 1971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } arg; 1981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 1991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int __devinit 201273dc74e1c7d9aa2eab2036153c8fe65593fb85eStephen Hemmingerixgb_validate_option(unsigned int *value, const struct ixgb_option *opt) 2021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 20303f83041d836022a17258c2731f6221f248bedcbJesse Brandeburg if (*value == OPTION_UNSET) { 2041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *value = opt->def; 2051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 2061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 2071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds switch (opt->type) { 2091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case enable_option: 2101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds switch (*value) { 2111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case OPTION_ENABLED: 2121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(KERN_INFO "%s Enabled\n", opt->name); 2131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 2141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case OPTION_DISABLED: 2151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(KERN_INFO "%s Disabled\n", opt->name); 2161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 2171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 2181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 2191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case range_option: 22003f83041d836022a17258c2731f6221f248bedcbJesse Brandeburg if (*value >= opt->arg.r.min && *value <= opt->arg.r.max) { 2211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(KERN_INFO "%s set to %i\n", opt->name, *value); 2221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 2231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 2241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 2251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case list_option: { 2261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int i; 2271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct ixgb_opt_list *ent; 2281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2291459336da45b214a59f0825777549fb0cb60ed7dJesse Brandeburg for (i = 0; i < opt->arg.l.nr; i++) { 2301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ent = &opt->arg.l.p[i]; 23103f83041d836022a17258c2731f6221f248bedcbJesse Brandeburg if (*value == ent->i) { 23203f83041d836022a17258c2731f6221f248bedcbJesse Brandeburg if (ent->str[0] != '\0') 2331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(KERN_INFO "%s\n", ent->str); 2341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 2351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 2361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 2371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 2381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 2391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds default: 2401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds BUG(); 2411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 2421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(KERN_INFO "Invalid %s specified (%i) %s\n", 2441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds opt->name, *value, opt->err); 2451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *value = opt->def; 2461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return -1; 2471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 2481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/** 2501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * ixgb_check_options - Range Checking for Command Line Parameters 2511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * @adapter: board private structure 2521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 2531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * This routine checks all command line parameters for valid user 2541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * input. If an invalid value is given, or if no user specified 2551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * value exists, a default value is used. The final value is stored 2561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * in a variable in the adapter structure. 2571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds **/ 2581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsvoid __devinit 2601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsixgb_check_options(struct ixgb_adapter *adapter) 2611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 2621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int bd = adapter->bd_number; 26303f83041d836022a17258c2731f6221f248bedcbJesse Brandeburg if (bd >= IXGB_MAX_NIC) { 2641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(KERN_NOTICE 2651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds "Warning: no configuration for board #%i\n", bd); 2661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(KERN_NOTICE "Using defaults for all values\n"); 2671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 2681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { /* Transmit Descriptor Count */ 270273dc74e1c7d9aa2eab2036153c8fe65593fb85eStephen Hemminger const struct ixgb_option opt = { 2711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .type = range_option, 2721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .name = "Transmit Descriptors", 2731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .err = "using default of " __MODULE_STRING(DEFAULT_TXD), 2741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .def = DEFAULT_TXD, 2751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .arg = { .r = { .min = MIN_TXD, 2761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .max = MAX_TXD}} 2771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds }; 2781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct ixgb_desc_ring *tx_ring = &adapter->tx_ring; 2791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 28003f83041d836022a17258c2731f6221f248bedcbJesse Brandeburg if (num_TxDescriptors > bd) { 2811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tx_ring->count = TxDescriptors[bd]; 2821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ixgb_validate_option(&tx_ring->count, &opt); 2831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } else { 2841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tx_ring->count = opt.def; 2851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 28655e924cf5772cbcf00549e448be35b392ff3084cMilind Arun Choudhary tx_ring->count = ALIGN(tx_ring->count, IXGB_REQ_TX_DESCRIPTOR_MULTIPLE); 2871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 2881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { /* Receive Descriptor Count */ 289273dc74e1c7d9aa2eab2036153c8fe65593fb85eStephen Hemminger const struct ixgb_option opt = { 2901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .type = range_option, 2911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .name = "Receive Descriptors", 2921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .err = "using default of " __MODULE_STRING(DEFAULT_RXD), 2931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .def = DEFAULT_RXD, 2941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .arg = { .r = { .min = MIN_RXD, 2951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .max = MAX_RXD}} 2961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds }; 2971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct ixgb_desc_ring *rx_ring = &adapter->rx_ring; 2981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 29903f83041d836022a17258c2731f6221f248bedcbJesse Brandeburg if (num_RxDescriptors > bd) { 3001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds rx_ring->count = RxDescriptors[bd]; 3011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ixgb_validate_option(&rx_ring->count, &opt); 3021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } else { 3031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds rx_ring->count = opt.def; 3041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 30555e924cf5772cbcf00549e448be35b392ff3084cMilind Arun Choudhary rx_ring->count = ALIGN(rx_ring->count, IXGB_REQ_RX_DESCRIPTOR_MULTIPLE); 3061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 3071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { /* Receive Checksum Offload Enable */ 308273dc74e1c7d9aa2eab2036153c8fe65593fb85eStephen Hemminger const struct ixgb_option opt = { 3091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .type = enable_option, 3101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .name = "Receive Checksum Offload", 3111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .err = "defaulting to Enabled", 3121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .def = OPTION_ENABLED 3131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds }; 3141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 31503f83041d836022a17258c2731f6221f248bedcbJesse Brandeburg if (num_XsumRX > bd) { 316273dc74e1c7d9aa2eab2036153c8fe65593fb85eStephen Hemminger unsigned int rx_csum = XsumRX[bd]; 3171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ixgb_validate_option(&rx_csum, &opt); 3181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds adapter->rx_csum = rx_csum; 3191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } else { 3201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds adapter->rx_csum = opt.def; 3211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 3221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 3231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { /* Flow Control */ 3241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct ixgb_opt_list fc_list[] = 3261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds {{ ixgb_fc_none, "Flow Control Disabled" }, 3271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { ixgb_fc_rx_pause,"Flow Control Receive Only" }, 3281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { ixgb_fc_tx_pause,"Flow Control Transmit Only" }, 3291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { ixgb_fc_full, "Flow Control Enabled" }, 3301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { ixgb_fc_default, "Flow Control Hardware Default" }}; 3311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 332273dc74e1c7d9aa2eab2036153c8fe65593fb85eStephen Hemminger const struct ixgb_option opt = { 3331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .type = list_option, 3341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .name = "Flow Control", 3351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .err = "reading default settings from EEPROM", 336953784d66d8f621a8684d007e526ca26b12d54a1Auke Kok .def = ixgb_fc_tx_pause, 3371c8816c6fe375ed3a1e342fcf7f403cd4f0d5041Ahmed S. Darwish .arg = { .l = { .nr = ARRAY_SIZE(fc_list), 3381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .p = fc_list }} 3391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds }; 3401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 34103f83041d836022a17258c2731f6221f248bedcbJesse Brandeburg if (num_FlowControl > bd) { 342273dc74e1c7d9aa2eab2036153c8fe65593fb85eStephen Hemminger unsigned int fc = FlowControl[bd]; 3431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ixgb_validate_option(&fc, &opt); 3441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds adapter->hw.fc.type = fc; 3451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } else { 3461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds adapter->hw.fc.type = opt.def; 3471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 3481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 3491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { /* Receive Flow Control High Threshold */ 350273dc74e1c7d9aa2eab2036153c8fe65593fb85eStephen Hemminger const struct ixgb_option opt = { 3511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .type = range_option, 3521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .name = "Rx Flow Control High Threshold", 3531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .err = "using default of " __MODULE_STRING(DEFAULT_FCRTH), 3541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .def = DEFAULT_FCRTH, 3551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .arg = { .r = { .min = MIN_FCRTH, 3561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .max = MAX_FCRTH}} 3571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds }; 3581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 35903f83041d836022a17258c2731f6221f248bedcbJesse Brandeburg if (num_RxFCHighThresh > bd) { 3601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds adapter->hw.fc.high_water = RxFCHighThresh[bd]; 3611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ixgb_validate_option(&adapter->hw.fc.high_water, &opt); 3621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } else { 3631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds adapter->hw.fc.high_water = opt.def; 3641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 365953784d66d8f621a8684d007e526ca26b12d54a1Auke Kok if (!(adapter->hw.fc.type & ixgb_fc_tx_pause) ) 366953784d66d8f621a8684d007e526ca26b12d54a1Auke Kok printk (KERN_INFO 3671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds "Ignoring RxFCHighThresh when no RxFC\n"); 3681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 3691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { /* Receive Flow Control Low Threshold */ 370273dc74e1c7d9aa2eab2036153c8fe65593fb85eStephen Hemminger const struct ixgb_option opt = { 3711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .type = range_option, 3721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .name = "Rx Flow Control Low Threshold", 3731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .err = "using default of " __MODULE_STRING(DEFAULT_FCRTL), 3741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .def = DEFAULT_FCRTL, 3751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .arg = { .r = { .min = MIN_FCRTL, 3761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .max = MAX_FCRTL}} 3771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds }; 3781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 37903f83041d836022a17258c2731f6221f248bedcbJesse Brandeburg if (num_RxFCLowThresh > bd) { 3801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds adapter->hw.fc.low_water = RxFCLowThresh[bd]; 3811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ixgb_validate_option(&adapter->hw.fc.low_water, &opt); 3821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } else { 3831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds adapter->hw.fc.low_water = opt.def; 3841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 385953784d66d8f621a8684d007e526ca26b12d54a1Auke Kok if (!(adapter->hw.fc.type & ixgb_fc_tx_pause) ) 386953784d66d8f621a8684d007e526ca26b12d54a1Auke Kok printk (KERN_INFO 3871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds "Ignoring RxFCLowThresh when no RxFC\n"); 3881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 3891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { /* Flow Control Pause Time Request*/ 390273dc74e1c7d9aa2eab2036153c8fe65593fb85eStephen Hemminger const struct ixgb_option opt = { 3911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .type = range_option, 3921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .name = "Flow Control Pause Time Request", 3931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .err = "using default of "__MODULE_STRING(DEFAULT_FCPAUSE), 3941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .def = DEFAULT_FCPAUSE, 3951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .arg = { .r = { .min = MIN_FCPAUSE, 3961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .max = MAX_FCPAUSE}} 3971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds }; 3981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 39903f83041d836022a17258c2731f6221f248bedcbJesse Brandeburg if (num_FCReqTimeout > bd) { 400273dc74e1c7d9aa2eab2036153c8fe65593fb85eStephen Hemminger unsigned int pause_time = FCReqTimeout[bd]; 4011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ixgb_validate_option(&pause_time, &opt); 4021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds adapter->hw.fc.pause_time = pause_time; 4031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } else { 4041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds adapter->hw.fc.pause_time = opt.def; 4051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 406953784d66d8f621a8684d007e526ca26b12d54a1Auke Kok if (!(adapter->hw.fc.type & ixgb_fc_tx_pause) ) 407953784d66d8f621a8684d007e526ca26b12d54a1Auke Kok printk (KERN_INFO 4081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds "Ignoring FCReqTimeout when no RxFC\n"); 4091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 4101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* high low and spacing check for rx flow control thresholds */ 411953784d66d8f621a8684d007e526ca26b12d54a1Auke Kok if (adapter->hw.fc.type & ixgb_fc_tx_pause) { 4121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* high must be greater than low */ 4131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (adapter->hw.fc.high_water < (adapter->hw.fc.low_water + 8)) { 4141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* set defaults */ 4150060c07230ee6a5b070388ae55855c594a3d9132Jesse Brandeburg printk (KERN_INFO 4161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds "RxFCHighThresh must be >= (RxFCLowThresh + 8), " 4171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds "Using Defaults\n"); 4181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds adapter->hw.fc.high_water = DEFAULT_FCRTH; 4191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds adapter->hw.fc.low_water = DEFAULT_FCRTL; 4201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 4211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 4221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { /* Receive Interrupt Delay */ 423273dc74e1c7d9aa2eab2036153c8fe65593fb85eStephen Hemminger const struct ixgb_option opt = { 4241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .type = range_option, 4251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .name = "Receive Interrupt Delay", 4261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .err = "using default of " __MODULE_STRING(DEFAULT_RDTR), 4271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .def = DEFAULT_RDTR, 4281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .arg = { .r = { .min = MIN_RDTR, 4291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .max = MAX_RDTR}} 4301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds }; 4311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 43203f83041d836022a17258c2731f6221f248bedcbJesse Brandeburg if (num_RxIntDelay > bd) { 4331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds adapter->rx_int_delay = RxIntDelay[bd]; 4341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ixgb_validate_option(&adapter->rx_int_delay, &opt); 4351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } else { 4361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds adapter->rx_int_delay = opt.def; 4371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 4381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 4391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { /* Transmit Interrupt Delay */ 440273dc74e1c7d9aa2eab2036153c8fe65593fb85eStephen Hemminger const struct ixgb_option opt = { 4411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .type = range_option, 4421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .name = "Transmit Interrupt Delay", 4431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .err = "using default of " __MODULE_STRING(DEFAULT_TIDV), 4441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .def = DEFAULT_TIDV, 4451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .arg = { .r = { .min = MIN_TIDV, 4461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .max = MAX_TIDV}} 4471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds }; 4481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 44903f83041d836022a17258c2731f6221f248bedcbJesse Brandeburg if (num_TxIntDelay > bd) { 4501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds adapter->tx_int_delay = TxIntDelay[bd]; 4511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ixgb_validate_option(&adapter->tx_int_delay, &opt); 4521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } else { 4531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds adapter->tx_int_delay = opt.def; 4541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 4551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 4561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { /* Transmit Interrupt Delay Enable */ 458273dc74e1c7d9aa2eab2036153c8fe65593fb85eStephen Hemminger const struct ixgb_option opt = { 4591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .type = enable_option, 4601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .name = "Tx Interrupt Delay Enable", 4611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .err = "defaulting to Enabled", 4621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .def = OPTION_ENABLED 4631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds }; 4641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 46503f83041d836022a17258c2731f6221f248bedcbJesse Brandeburg if (num_IntDelayEnable > bd) { 466273dc74e1c7d9aa2eab2036153c8fe65593fb85eStephen Hemminger unsigned int ide = IntDelayEnable[bd]; 4671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ixgb_validate_option(&ide, &opt); 4681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds adapter->tx_int_delay_enable = ide; 4691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } else { 4701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds adapter->tx_int_delay_enable = opt.def; 4711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 4721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 4731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 474