11da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 21da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * File Name: 31da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * skfddi.c 41da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 51da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Copyright Information: 61da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Copyright SysKonnect 1998,1999. 71da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 81da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * This program is free software; you can redistribute it and/or modify 91da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * it under the terms of the GNU General Public License as published by 101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * the Free Software Foundation; either version 2 of the License, or 111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * (at your option) any later version. 121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * The information in this file is provided "AS IS" without warranty. 141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Abstract: 161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * A Linux device driver supporting the SysKonnect FDDI PCI controller 171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * familie. 181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Maintainers: 201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * CG Christoph Goos (cgoos@syskonnect.de) 211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Contributors: 231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * DM David S. Miller 241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Address all question to: 261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * linux@syskonnect.de 271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * The technical manual for the adapters is available from SysKonnect's 291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * web pages: www.syskonnect.com 301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Goto "Support" and search Knowledge Base for "manual". 311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Driver Architecture: 331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * The driver architecture is based on the DEC FDDI driver by 341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Lawrence V. Stefani and several ethernet drivers. 351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * I also used an existing Windows NT miniport driver. 36eef35c2d41ddcc653c20d26b977acaa45c811e1fStefan Weil * All hardware dependent functions are handled by the SysKonnect 371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Hardware Module. 381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * The only headerfiles that are directly related to this source 391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * are skfddi.c, h/types.h, h/osdef1st.h, h/targetos.h. 401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * The others belong to the SysKonnect FDDI Hardware Module and 411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * should better not be changed. 421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Modification History: 441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Date Name Description 451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 02-Mar-98 CG Created. 461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 10-Mar-99 CG Support for 2.2.x added. 481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 25-Mar-99 CG Corrected IRQ routing for SMP (APIC) 491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 26-Oct-99 CG Fixed compilation error on 2.2.13 501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 12-Nov-99 CG Source code release 511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 22-Nov-99 CG Included in kernel source. 521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 07-May-00 DM 64 bit fixes, new dma interface 531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 31-Jul-03 DB Audit copy_*_user in skfp_ioctl 541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Daniele Bellucci <bellucda@tiscali.it> 551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 03-Dec-03 SH Convert to PCI device model 561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Compilation options (-Dxxx): 581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * DRIVERDEBUG print lots of messages to log file 591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * DUMPPACKETS print received/transmitted packets to logfile 601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Tested cpu architectures: 621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * - i386 631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * - sparc64 641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* Version information string - should be updated prior to */ 671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* each new release!!! */ 681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define VERSION "2.07" 691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 70f71e130966ba429dbd24be08ddbcdf263df9a5adArjan van de Venstatic const char * const boot_msg = 711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds "SysKonnect FDDI PCI Adapter driver v" VERSION " for\n" 721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds " SK-55xx/SK-58xx adapters (SK-NET FDDI-FP/UP/LP)"; 731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* Include files */ 751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 76d43c36dc6b357fa1806800f18aa30123c747a6d1Alexey Dobriyan#include <linux/capability.h> 771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/module.h> 781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/kernel.h> 791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/errno.h> 801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/ioport.h> 811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/interrupt.h> 821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/pci.h> 831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/netdevice.h> 841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/fddidevice.h> 851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/skbuff.h> 861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/bitops.h> 875a0e3ad6af8660be21ca98a971cd00f331318c05Tejun Heo#include <linux/gfp.h> 881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <asm/byteorder.h> 901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <asm/io.h> 911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <asm/uaccess.h> 921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include "h/types.h" 941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#undef ADDR // undo Linux definition 951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include "h/skfbi.h" 961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include "h/fddi.h" 971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include "h/smc.h" 981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include "h/smtstate.h" 991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds// Define module-wide (static) routines 1021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int skfp_driver_init(struct net_device *dev); 1031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int skfp_open(struct net_device *dev); 1041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int skfp_close(struct net_device *dev); 1057d12e780e003f93433d49ce78cfedf4b4c52adc5David Howellsstatic irqreturn_t skfp_interrupt(int irq, void *dev_id); 1061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic struct net_device_stats *skfp_ctl_get_stats(struct net_device *dev); 1071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void skfp_ctl_set_multicast_list(struct net_device *dev); 1081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void skfp_ctl_set_multicast_list_wo_lock(struct net_device *dev); 1091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int skfp_ctl_set_mac_address(struct net_device *dev, void *addr); 1101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int skfp_ioctl(struct net_device *dev, struct ifreq *rq, int cmd); 11161357325f377889a1daffa14962d705dc814dd0eStephen Hemmingerstatic netdev_tx_t skfp_send_pkt(struct sk_buff *skb, 11261357325f377889a1daffa14962d705dc814dd0eStephen Hemminger struct net_device *dev); 1131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void send_queued_packets(struct s_smc *smc); 1141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void CheckSourceAddress(unsigned char *frame, unsigned char *hw_addr); 1151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void ResetAdapter(struct s_smc *smc); 1161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds// Functions needed by the hardware module 1191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsvoid *mac_drv_get_space(struct s_smc *smc, u_int size); 1201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsvoid *mac_drv_get_desc_mem(struct s_smc *smc, u_int size); 1211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsunsigned long mac_drv_virt2phys(struct s_smc *smc, void *virt); 1221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsunsigned long dma_master(struct s_smc *smc, void *virt, int len, int flag); 1231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsvoid dma_complete(struct s_smc *smc, volatile union s_fp_descr *descr, 1241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int flag); 1251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsvoid mac_drv_tx_complete(struct s_smc *smc, volatile struct s_smt_fp_txd *txd); 1261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsvoid llc_restart_tx(struct s_smc *smc); 1271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsvoid mac_drv_rx_complete(struct s_smc *smc, volatile struct s_smt_fp_rxd *rxd, 1281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int frag_count, int len); 1291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsvoid mac_drv_requeue_rxd(struct s_smc *smc, volatile struct s_smt_fp_rxd *rxd, 1301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int frag_count); 1311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsvoid mac_drv_fill_rxd(struct s_smc *smc); 1321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsvoid mac_drv_clear_rxd(struct s_smc *smc, volatile struct s_smt_fp_rxd *rxd, 1331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int frag_count); 1341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsint mac_drv_rx_init(struct s_smc *smc, int len, int fc, char *look_ahead, 1351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int la_len); 1361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsvoid dump_data(unsigned char *Data, int length); 1371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds// External functions from the hardware module 1391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsextern u_int mac_drv_check_space(void); 1401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsextern int mac_drv_init(struct s_smc *smc); 1411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsextern void hwm_tx_frag(struct s_smc *smc, char far * virt, u_long phys, 1421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int len, int frame_status); 1431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsextern int hwm_tx_init(struct s_smc *smc, u_char fc, int frag_count, 1441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int frame_len, int frame_status); 1451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsextern void fddi_isr(struct s_smc *smc); 1461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsextern void hwm_rx_frag(struct s_smc *smc, char far * virt, u_long phys, 1471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int len, int frame_status); 1481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsextern void mac_drv_rx_mode(struct s_smc *smc, int mode); 1491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsextern void mac_drv_clear_rx_queue(struct s_smc *smc); 1501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsextern void enable_tx_irq(struct s_smc *smc, u_short queue); 1511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 152a3aa18842a5303fc28fcc4d57dbd16618bd830a0Alexey Dobriyanstatic DEFINE_PCI_DEVICE_TABLE(skfddi_pci_tbl) = { 1531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { PCI_VENDOR_ID_SK, PCI_DEVICE_ID_SK_FP, PCI_ANY_ID, PCI_ANY_ID, }, 1541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { } /* Terminating entry */ 1551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 1561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus TorvaldsMODULE_DEVICE_TABLE(pci, skfddi_pci_tbl); 1571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus TorvaldsMODULE_LICENSE("GPL"); 1581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus TorvaldsMODULE_AUTHOR("Mirko Lindner <mlindner@syskonnect.de>"); 1591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds// Define module-wide (static) variables 1611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int num_boards; /* total number of adapters configured */ 1631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 164145186a39570244aead77dc2efc559e5cac90548Stephen Hemmingerstatic const struct net_device_ops skfp_netdev_ops = { 165145186a39570244aead77dc2efc559e5cac90548Stephen Hemminger .ndo_open = skfp_open, 166145186a39570244aead77dc2efc559e5cac90548Stephen Hemminger .ndo_stop = skfp_close, 167145186a39570244aead77dc2efc559e5cac90548Stephen Hemminger .ndo_start_xmit = skfp_send_pkt, 168145186a39570244aead77dc2efc559e5cac90548Stephen Hemminger .ndo_get_stats = skfp_ctl_get_stats, 169145186a39570244aead77dc2efc559e5cac90548Stephen Hemminger .ndo_change_mtu = fddi_change_mtu, 170afc4b13df143122f99a0eb10bfefb216c2806de0Jiri Pirko .ndo_set_rx_mode = skfp_ctl_set_multicast_list, 171145186a39570244aead77dc2efc559e5cac90548Stephen Hemminger .ndo_set_mac_address = skfp_ctl_set_mac_address, 172145186a39570244aead77dc2efc559e5cac90548Stephen Hemminger .ndo_do_ioctl = skfp_ioctl, 173145186a39570244aead77dc2efc559e5cac90548Stephen Hemminger}; 174145186a39570244aead77dc2efc559e5cac90548Stephen Hemminger 1751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 1761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * ================= 1771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * = skfp_init_one = 1781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * ================= 1791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 1801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Overview: 1811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Probes for supported FDDI PCI controllers 1821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 1831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Returns: 1841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Condition code 1851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 1861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Arguments: 1871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * pdev - pointer to PCI device information 1881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 1891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Functional Description: 1901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * This is now called by PCI driver registration process 1911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * for each board found. 1921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 1931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Return Codes: 1941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 0 - This device (fddi0, fddi1, etc) configured successfully 1951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * -ENODEV - No devices present, or no SysKonnect FDDI PCI device 1961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * present for this device name 1971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 1981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 1991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Side Effects: 2001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Device structures for FDDI adapters (fddi0, fddi1, etc) are 2011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * initialized and the board resources are read and stored in 2021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * the device structure. 2031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 2041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int skfp_init_one(struct pci_dev *pdev, 2051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds const struct pci_device_id *ent) 2061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 2071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct net_device *dev; 2081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct s_smc *smc; /* board pointer */ 2091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds void __iomem *mem; 2101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int err; 2111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 212d81e27cf4e2a5050245f9962539292ea2c9e2206Joe Perches pr_debug("entering skfp_init_one\n"); 2131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (num_boards == 0) 2151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk("%s\n", boot_msg); 2161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds err = pci_enable_device(pdev); 2181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (err) 2191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return err; 2201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds err = pci_request_regions(pdev, "skfddi"); 2221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (err) 2231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds goto err_out1; 2241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds pci_set_master(pdev); 2261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifdef MEM_MAPPED_IO 2281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) { 2291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(KERN_ERR "skfp: region is not an MMIO resource\n"); 2301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds err = -EIO; 2311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds goto err_out2; 2321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 2331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds mem = ioremap(pci_resource_start(pdev, 0), 0x4000); 2351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#else 2361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!(pci_resource_flags(pdev, 1) & IO_RESOURCE_IO)) { 2371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(KERN_ERR "skfp: region is not PIO resource\n"); 2381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds err = -EIO; 2391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds goto err_out2; 2401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 2411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds mem = ioport_map(pci_resource_start(pdev, 1), FP_IO_LEN); 2431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 2441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!mem) { 2451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(KERN_ERR "skfp: Unable to map register, " 2461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds "FDDI adapter will be disabled.\n"); 2471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds err = -EIO; 2481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds goto err_out2; 2491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 2501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dev = alloc_fddidev(sizeof(struct s_smc)); 2521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!dev) { 2531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(KERN_ERR "skfp: Unable to allocate fddi device, " 2541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds "FDDI adapter will be disabled.\n"); 2551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds err = -ENOMEM; 2561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds goto err_out3; 2571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 2581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dev->irq = pdev->irq; 260145186a39570244aead77dc2efc559e5cac90548Stephen Hemminger dev->netdev_ops = &skfp_netdev_ops; 2611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds SET_NETDEV_DEV(dev, &pdev->dev); 2631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Initialize board structure with bus-specific info */ 2651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds smc = netdev_priv(dev); 2661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds smc->os.dev = dev; 2671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds smc->os.bus_type = SK_BUS_TYPE_PCI; 2681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds smc->os.pdev = *pdev; 2691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds smc->os.QueueSkb = MAX_TX_QUEUE_LEN; 2701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds smc->os.MaxFrameSize = MAX_FRAME_SIZE; 2711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds smc->os.dev = dev; 2721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds smc->hw.slot = -1; 2731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds smc->hw.iop = mem; 2741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds smc->os.ResetRequested = FALSE; 2751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds skb_queue_head_init(&smc->os.SendSkbQueue); 2761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dev->base_addr = (unsigned long)mem; 2781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds err = skfp_driver_init(dev); 2801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (err) 2811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds goto err_out4; 2821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds err = register_netdev(dev); 2841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (err) 2851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds goto err_out5; 2861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ++num_boards; 2881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds pci_set_drvdata(pdev, dev); 2891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if ((pdev->subsystem_device & 0xff00) == 0x5500 || 2911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (pdev->subsystem_device & 0xff00) == 0x5800) 2921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk("%s: SysKonnect FDDI PCI adapter" 2931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds " found (SK-%04X)\n", dev->name, 2941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds pdev->subsystem_device); 2951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds else 2961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk("%s: FDDI PCI adapter found\n", dev->name); 2971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 2991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldserr_out5: 3001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (smc->os.SharedMemAddr) 3011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds pci_free_consistent(pdev, smc->os.SharedMemSize, 3021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds smc->os.SharedMemAddr, 3031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds smc->os.SharedMemDMA); 3041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds pci_free_consistent(pdev, MAX_FRAME_SIZE, 3051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds smc->os.LocalRxBuffer, smc->os.LocalRxBufferDMA); 3061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldserr_out4: 3071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds free_netdev(dev); 3081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldserr_out3: 3091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifdef MEM_MAPPED_IO 3101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds iounmap(mem); 3111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#else 3121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ioport_unmap(mem); 3131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 3141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldserr_out2: 3151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds pci_release_regions(pdev); 3161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldserr_out1: 3171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds pci_disable_device(pdev); 3181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return err; 3191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 3201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 3221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Called for each adapter board from pci_unregister_driver 3231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 3241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void __devexit skfp_remove_one(struct pci_dev *pdev) 3251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 3261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct net_device *p = pci_get_drvdata(pdev); 3271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct s_smc *lp = netdev_priv(p); 3281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unregister_netdev(p); 3301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (lp->os.SharedMemAddr) { 3321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds pci_free_consistent(&lp->os.pdev, 3331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds lp->os.SharedMemSize, 3341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds lp->os.SharedMemAddr, 3351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds lp->os.SharedMemDMA); 3361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds lp->os.SharedMemAddr = NULL; 3371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 3381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (lp->os.LocalRxBuffer) { 3391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds pci_free_consistent(&lp->os.pdev, 3401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds MAX_FRAME_SIZE, 3411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds lp->os.LocalRxBuffer, 3421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds lp->os.LocalRxBufferDMA); 3431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds lp->os.LocalRxBuffer = NULL; 3441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 3451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifdef MEM_MAPPED_IO 3461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds iounmap(lp->hw.iop); 3471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#else 3481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ioport_unmap(lp->hw.iop); 3491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 3501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds pci_release_regions(pdev); 3511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds free_netdev(p); 3521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds pci_disable_device(pdev); 3541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds pci_set_drvdata(pdev, NULL); 3551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 3561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 3581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * ==================== 3591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * = skfp_driver_init = 3601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * ==================== 3611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 3621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Overview: 3631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Initializes remaining adapter board structure information 3641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * and makes sure adapter is in a safe state prior to skfp_open(). 3651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 3661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Returns: 3671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Condition code 3681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 3691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Arguments: 3701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * dev - pointer to device information 3711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 3721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Functional Description: 3731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * This function allocates additional resources such as the host memory 3741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * blocks needed by the adapter. 3751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * The adapter is also reset. The OS must call skfp_open() to open 3761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * the adapter and bring it on-line. 3771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 3781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Return Codes: 3791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 0 - initialization succeeded 3801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * -1 - initialization failed 3811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 3821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int skfp_driver_init(struct net_device *dev) 3831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 3841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct s_smc *smc = netdev_priv(dev); 3851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds skfddi_priv *bp = &smc->os; 3861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int err = -EIO; 3871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 388d81e27cf4e2a5050245f9962539292ea2c9e2206Joe Perches pr_debug("entering skfp_driver_init\n"); 3891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds // set the io address in private structures 3911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bp->base_addr = dev->base_addr; 3921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds // Get the interrupt level from the PCI Configuration Table 3941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds smc->hw.irq = dev->irq; 3951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds spin_lock_init(&bp->DriverLock); 3971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds // Allocate invalid frame 3991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bp->LocalRxBuffer = pci_alloc_consistent(&bp->pdev, MAX_FRAME_SIZE, &bp->LocalRxBufferDMA); 4001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!bp->LocalRxBuffer) { 4011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk("could not allocate mem for "); 4021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk("LocalRxBuffer: %d byte\n", MAX_FRAME_SIZE); 4031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds goto fail; 4041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 4051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds // Determine the required size of the 'shared' memory area. 4071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bp->SharedMemSize = mac_drv_check_space(); 408d81e27cf4e2a5050245f9962539292ea2c9e2206Joe Perches pr_debug("Memory for HWM: %ld\n", bp->SharedMemSize); 4091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (bp->SharedMemSize > 0) { 4101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bp->SharedMemSize += 16; // for descriptor alignment 4111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bp->SharedMemAddr = pci_alloc_consistent(&bp->pdev, 4131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bp->SharedMemSize, 4141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds &bp->SharedMemDMA); 4154a5fc4e179d79c79ad87bfc12a2d7e9b2371e40cDan Carpenter if (!bp->SharedMemAddr) { 4161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk("could not allocate mem for "); 4171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk("hardware module: %ld byte\n", 4181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bp->SharedMemSize); 4191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds goto fail; 4201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 4211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bp->SharedMemHeap = 0; // Nothing used yet. 4221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } else { 4241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bp->SharedMemAddr = NULL; 4251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bp->SharedMemHeap = 0; 4261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } // SharedMemSize > 0 4271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds memset(bp->SharedMemAddr, 0, bp->SharedMemSize); 4291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds card_stop(smc); // Reset adapter. 4311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 432d81e27cf4e2a5050245f9962539292ea2c9e2206Joe Perches pr_debug("mac_drv_init()..\n"); 4331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (mac_drv_init(smc) != 0) { 434d81e27cf4e2a5050245f9962539292ea2c9e2206Joe Perches pr_debug("mac_drv_init() failed\n"); 4351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds goto fail; 4361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 4371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds read_address(smc, NULL); 438d81e27cf4e2a5050245f9962539292ea2c9e2206Joe Perches pr_debug("HW-Addr: %pMF\n", smc->hw.fddi_canon_addr.a); 4391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds memcpy(dev->dev_addr, smc->hw.fddi_canon_addr.a, 6); 4401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds smt_reset_defaults(smc, 0); 4421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 443807540baae406c84dcb9c1c8ef07a56d2d2ae84aEric Dumazet return 0; 4441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsfail: 4461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (bp->SharedMemAddr) { 4471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds pci_free_consistent(&bp->pdev, 4481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bp->SharedMemSize, 4491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bp->SharedMemAddr, 4501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bp->SharedMemDMA); 4511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bp->SharedMemAddr = NULL; 4521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 4531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (bp->LocalRxBuffer) { 4541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds pci_free_consistent(&bp->pdev, MAX_FRAME_SIZE, 4551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bp->LocalRxBuffer, bp->LocalRxBufferDMA); 4561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bp->LocalRxBuffer = NULL; 4571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 4581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return err; 4591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} // skfp_driver_init 4601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 4631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * ============= 4641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * = skfp_open = 4651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * ============= 4661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 4671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Overview: 4681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Opens the adapter 4691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 4701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Returns: 4711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Condition code 4721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 4731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Arguments: 4741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * dev - pointer to device information 4751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 4761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Functional Description: 4771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * This function brings the adapter to an operational state. 4781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 4791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Return Codes: 4801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 0 - Adapter was successfully opened 4811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * -EAGAIN - Could not register IRQ 4821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 4831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int skfp_open(struct net_device *dev) 4841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 4851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct s_smc *smc = netdev_priv(dev); 4861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int err; 4871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 488d81e27cf4e2a5050245f9962539292ea2c9e2206Joe Perches pr_debug("entering skfp_open\n"); 4891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Register IRQ - support shared interrupts by passing device ptr */ 4902f220e305b23ab277aa0f91e2a65978f5cc1a785Al Viro err = request_irq(dev->irq, skfp_interrupt, IRQF_SHARED, 4911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dev->name, dev); 4921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (err) 4931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return err; 4941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* 4961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Set current address to factory MAC address 4971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 4981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Note: We've already done this step in skfp_driver_init. 4991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * However, it's possible that a user has set a node 5001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * address override, then closed and reopened the 5011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * adapter. Unless we reset the device address field 5021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * now, we'll continue to use the existing modified 5031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * address. 5041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 5051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds read_address(smc, NULL); 5061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds memcpy(dev->dev_addr, smc->hw.fddi_canon_addr.a, 6); 5071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds init_smt(smc, NULL); 5091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds smt_online(smc, 1); 5101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds STI_FBI(); 5111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Clear local multicast address tables */ 5131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds mac_clear_multicast(smc); 5141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Disable promiscuous filter settings */ 5161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds mac_drv_rx_mode(smc, RX_DISABLE_PROMISC); 5171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds netif_start_queue(dev); 519807540baae406c84dcb9c1c8ef07a56d2d2ae84aEric Dumazet return 0; 5201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} // skfp_open 5211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 5241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * ============== 5251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * = skfp_close = 5261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * ============== 5271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 5281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Overview: 5291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Closes the device/module. 5301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 5311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Returns: 5321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Condition code 5331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 5341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Arguments: 5351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * dev - pointer to device information 5361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 5371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Functional Description: 5381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * This routine closes the adapter and brings it to a safe state. 5391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * The interrupt service routine is deregistered with the OS. 5401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * The adapter can be opened again with another call to skfp_open(). 5411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 5421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Return Codes: 5431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Always return 0. 5441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 5451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Assumptions: 5461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * No further requests for this adapter are made after this routine is 5471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * called. skfp_open() can be called to reset and reinitialize the 5481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * adapter. 5491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 5501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int skfp_close(struct net_device *dev) 5511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 5521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct s_smc *smc = netdev_priv(dev); 5531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds skfddi_priv *bp = &smc->os; 5541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds CLI_FBI(); 5561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds smt_reset_defaults(smc, 1); 5571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds card_stop(smc); 5581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds mac_drv_clear_tx_queue(smc); 5591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds mac_drv_clear_rx_queue(smc); 5601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds netif_stop_queue(dev); 5621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Deregister (free) IRQ */ 5631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds free_irq(dev->irq, dev); 5641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds skb_queue_purge(&bp->SendSkbQueue); 5661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bp->QueueSkb = MAX_TX_QUEUE_LEN; 5671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 568807540baae406c84dcb9c1c8ef07a56d2d2ae84aEric Dumazet return 0; 5691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} // skfp_close 5701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 5731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * ================== 5741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * = skfp_interrupt = 5751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * ================== 5761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 5771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Overview: 5781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Interrupt processing routine 5791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 5801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Returns: 5811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * None 5821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 5831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Arguments: 5841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * irq - interrupt vector 5851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * dev_id - pointer to device information 5861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 5871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Functional Description: 5881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * This routine calls the interrupt processing routine for this adapter. It 5891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * disables and reenables adapter interrupts, as appropriate. We can support 5901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * shared interrupts since the incoming dev_id pointer provides our device 5911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * structure context. All the real work is done in the hardware module. 5921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 5931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Return Codes: 5941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * None 5951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 5961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Assumptions: 5971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * The interrupt acknowledgement at the hardware level (eg. ACKing the PIC 5981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * on Intel-based systems) is done by the operating system outside this 5991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * routine. 6001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 6011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * System interrupts are enabled through this call. 6021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 6031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Side Effects: 6041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Interrupts are disabled, then reenabled at the adapter. 6051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 6061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 607409b204435b85f7e159230c216f334a862cb3b95Hannes Ederstatic irqreturn_t skfp_interrupt(int irq, void *dev_id) 6081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 609c31f28e778ab299a5035ea2bda64f245b8915d7cJeff Garzik struct net_device *dev = dev_id; 6101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct s_smc *smc; /* private board structure pointer */ 6111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds skfddi_priv *bp; 6121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds smc = netdev_priv(dev); 6141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bp = &smc->os; 6151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds // IRQs enabled or disabled ? 6171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (inpd(ADDR(B0_IMSK)) == 0) { 6181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds // IRQs are disabled: must be shared interrupt 6191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return IRQ_NONE; 6201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 6211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds // Note: At this point, IRQs are enabled. 6221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if ((inpd(ISR_A) & smc->hw.is_imask) == 0) { // IRQ? 6231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds // Adapter did not issue an IRQ: must be shared interrupt 6241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return IRQ_NONE; 6251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 6261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds CLI_FBI(); // Disable IRQs from our adapter. 6271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds spin_lock(&bp->DriverLock); 6281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds // Call interrupt handler in hardware module (HWM). 6301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds fddi_isr(smc); 6311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (smc->os.ResetRequested) { 6331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ResetAdapter(smc); 6341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds smc->os.ResetRequested = FALSE; 6351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 6361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds spin_unlock(&bp->DriverLock); 6371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds STI_FBI(); // Enable IRQs from our adapter. 6381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return IRQ_HANDLED; 6401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} // skfp_interrupt 6411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 6441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * ====================== 6451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * = skfp_ctl_get_stats = 6461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * ====================== 6471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 6481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Overview: 6491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Get statistics for FDDI adapter 6501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 6511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Returns: 6521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Pointer to FDDI statistics structure 6531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 6541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Arguments: 6551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * dev - pointer to device information 6561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 6571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Functional Description: 6581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Gets current MIB objects from adapter, then 6591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * returns FDDI statistics structure as defined 6601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * in if_fddi.h. 6611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 6621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Note: Since the FDDI statistics structure is 6631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * still new and the device structure doesn't 6641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * have an FDDI-specific get statistics handler, 6651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * we'll return the FDDI statistics structure as 6661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * a pointer to an Ethernet statistics structure. 6671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * That way, at least the first part of the statistics 6681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * structure can be decoded properly. 6691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * We'll have to pay attention to this routine as the 6701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * device structure becomes more mature and LAN media 6711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * independent. 6721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 6731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 674409b204435b85f7e159230c216f334a862cb3b95Hannes Ederstatic struct net_device_stats *skfp_ctl_get_stats(struct net_device *dev) 6751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 6761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct s_smc *bp = netdev_priv(dev); 6771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Fill the bp->stats structure with driver-maintained counters */ 6791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bp->os.MacStat.port_bs_flag[0] = 0x1234; 6811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bp->os.MacStat.port_bs_flag[1] = 0x5678; 6821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds// goos: need to fill out fddi statistic 6831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if 0 6841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Get FDDI SMT MIB objects */ 6851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* Fill the bp->stats structure with the SMT MIB object values */ 6871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds memcpy(bp->stats.smt_station_id, &bp->cmd_rsp_virt->smt_mib_get.smt_station_id, sizeof(bp->cmd_rsp_virt->smt_mib_get.smt_station_id)); 6891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bp->stats.smt_op_version_id = bp->cmd_rsp_virt->smt_mib_get.smt_op_version_id; 6901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bp->stats.smt_hi_version_id = bp->cmd_rsp_virt->smt_mib_get.smt_hi_version_id; 6911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bp->stats.smt_lo_version_id = bp->cmd_rsp_virt->smt_mib_get.smt_lo_version_id; 6921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds memcpy(bp->stats.smt_user_data, &bp->cmd_rsp_virt->smt_mib_get.smt_user_data, sizeof(bp->cmd_rsp_virt->smt_mib_get.smt_user_data)); 6931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bp->stats.smt_mib_version_id = bp->cmd_rsp_virt->smt_mib_get.smt_mib_version_id; 6941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bp->stats.smt_mac_cts = bp->cmd_rsp_virt->smt_mib_get.smt_mac_ct; 6951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bp->stats.smt_non_master_cts = bp->cmd_rsp_virt->smt_mib_get.smt_non_master_ct; 6961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bp->stats.smt_master_cts = bp->cmd_rsp_virt->smt_mib_get.smt_master_ct; 6971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bp->stats.smt_available_paths = bp->cmd_rsp_virt->smt_mib_get.smt_available_paths; 6981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bp->stats.smt_config_capabilities = bp->cmd_rsp_virt->smt_mib_get.smt_config_capabilities; 6991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bp->stats.smt_config_policy = bp->cmd_rsp_virt->smt_mib_get.smt_config_policy; 7001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bp->stats.smt_connection_policy = bp->cmd_rsp_virt->smt_mib_get.smt_connection_policy; 7011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bp->stats.smt_t_notify = bp->cmd_rsp_virt->smt_mib_get.smt_t_notify; 7021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bp->stats.smt_stat_rpt_policy = bp->cmd_rsp_virt->smt_mib_get.smt_stat_rpt_policy; 7031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bp->stats.smt_trace_max_expiration = bp->cmd_rsp_virt->smt_mib_get.smt_trace_max_expiration; 7041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bp->stats.smt_bypass_present = bp->cmd_rsp_virt->smt_mib_get.smt_bypass_present; 7051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bp->stats.smt_ecm_state = bp->cmd_rsp_virt->smt_mib_get.smt_ecm_state; 7061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bp->stats.smt_cf_state = bp->cmd_rsp_virt->smt_mib_get.smt_cf_state; 7071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bp->stats.smt_remote_disconnect_flag = bp->cmd_rsp_virt->smt_mib_get.smt_remote_disconnect_flag; 7081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bp->stats.smt_station_status = bp->cmd_rsp_virt->smt_mib_get.smt_station_status; 7091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bp->stats.smt_peer_wrap_flag = bp->cmd_rsp_virt->smt_mib_get.smt_peer_wrap_flag; 7101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bp->stats.smt_time_stamp = bp->cmd_rsp_virt->smt_mib_get.smt_msg_time_stamp.ls; 7111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bp->stats.smt_transition_time_stamp = bp->cmd_rsp_virt->smt_mib_get.smt_transition_time_stamp.ls; 7121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bp->stats.mac_frame_status_functions = bp->cmd_rsp_virt->smt_mib_get.mac_frame_status_functions; 7131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bp->stats.mac_t_max_capability = bp->cmd_rsp_virt->smt_mib_get.mac_t_max_capability; 7141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bp->stats.mac_tvx_capability = bp->cmd_rsp_virt->smt_mib_get.mac_tvx_capability; 7151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bp->stats.mac_available_paths = bp->cmd_rsp_virt->smt_mib_get.mac_available_paths; 7161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bp->stats.mac_current_path = bp->cmd_rsp_virt->smt_mib_get.mac_current_path; 7171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds memcpy(bp->stats.mac_upstream_nbr, &bp->cmd_rsp_virt->smt_mib_get.mac_upstream_nbr, FDDI_K_ALEN); 7181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds memcpy(bp->stats.mac_downstream_nbr, &bp->cmd_rsp_virt->smt_mib_get.mac_downstream_nbr, FDDI_K_ALEN); 7191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds memcpy(bp->stats.mac_old_upstream_nbr, &bp->cmd_rsp_virt->smt_mib_get.mac_old_upstream_nbr, FDDI_K_ALEN); 7201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds memcpy(bp->stats.mac_old_downstream_nbr, &bp->cmd_rsp_virt->smt_mib_get.mac_old_downstream_nbr, FDDI_K_ALEN); 7211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bp->stats.mac_dup_address_test = bp->cmd_rsp_virt->smt_mib_get.mac_dup_address_test; 7221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bp->stats.mac_requested_paths = bp->cmd_rsp_virt->smt_mib_get.mac_requested_paths; 7231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bp->stats.mac_downstream_port_type = bp->cmd_rsp_virt->smt_mib_get.mac_downstream_port_type; 7241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds memcpy(bp->stats.mac_smt_address, &bp->cmd_rsp_virt->smt_mib_get.mac_smt_address, FDDI_K_ALEN); 7251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bp->stats.mac_t_req = bp->cmd_rsp_virt->smt_mib_get.mac_t_req; 7261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bp->stats.mac_t_neg = bp->cmd_rsp_virt->smt_mib_get.mac_t_neg; 7271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bp->stats.mac_t_max = bp->cmd_rsp_virt->smt_mib_get.mac_t_max; 7281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bp->stats.mac_tvx_value = bp->cmd_rsp_virt->smt_mib_get.mac_tvx_value; 7291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bp->stats.mac_frame_error_threshold = bp->cmd_rsp_virt->smt_mib_get.mac_frame_error_threshold; 7301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bp->stats.mac_frame_error_ratio = bp->cmd_rsp_virt->smt_mib_get.mac_frame_error_ratio; 7311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bp->stats.mac_rmt_state = bp->cmd_rsp_virt->smt_mib_get.mac_rmt_state; 7321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bp->stats.mac_da_flag = bp->cmd_rsp_virt->smt_mib_get.mac_da_flag; 7331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bp->stats.mac_una_da_flag = bp->cmd_rsp_virt->smt_mib_get.mac_unda_flag; 7341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bp->stats.mac_frame_error_flag = bp->cmd_rsp_virt->smt_mib_get.mac_frame_error_flag; 7351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bp->stats.mac_ma_unitdata_available = bp->cmd_rsp_virt->smt_mib_get.mac_ma_unitdata_available; 7361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bp->stats.mac_hardware_present = bp->cmd_rsp_virt->smt_mib_get.mac_hardware_present; 7371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bp->stats.mac_ma_unitdata_enable = bp->cmd_rsp_virt->smt_mib_get.mac_ma_unitdata_enable; 7381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bp->stats.path_tvx_lower_bound = bp->cmd_rsp_virt->smt_mib_get.path_tvx_lower_bound; 7391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bp->stats.path_t_max_lower_bound = bp->cmd_rsp_virt->smt_mib_get.path_t_max_lower_bound; 7401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bp->stats.path_max_t_req = bp->cmd_rsp_virt->smt_mib_get.path_max_t_req; 7411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds memcpy(bp->stats.path_configuration, &bp->cmd_rsp_virt->smt_mib_get.path_configuration, sizeof(bp->cmd_rsp_virt->smt_mib_get.path_configuration)); 7421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bp->stats.port_my_type[0] = bp->cmd_rsp_virt->smt_mib_get.port_my_type[0]; 7431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bp->stats.port_my_type[1] = bp->cmd_rsp_virt->smt_mib_get.port_my_type[1]; 7441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bp->stats.port_neighbor_type[0] = bp->cmd_rsp_virt->smt_mib_get.port_neighbor_type[0]; 7451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bp->stats.port_neighbor_type[1] = bp->cmd_rsp_virt->smt_mib_get.port_neighbor_type[1]; 7461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bp->stats.port_connection_policies[0] = bp->cmd_rsp_virt->smt_mib_get.port_connection_policies[0]; 7471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bp->stats.port_connection_policies[1] = bp->cmd_rsp_virt->smt_mib_get.port_connection_policies[1]; 7481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bp->stats.port_mac_indicated[0] = bp->cmd_rsp_virt->smt_mib_get.port_mac_indicated[0]; 7491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bp->stats.port_mac_indicated[1] = bp->cmd_rsp_virt->smt_mib_get.port_mac_indicated[1]; 7501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bp->stats.port_current_path[0] = bp->cmd_rsp_virt->smt_mib_get.port_current_path[0]; 7511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bp->stats.port_current_path[1] = bp->cmd_rsp_virt->smt_mib_get.port_current_path[1]; 7521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds memcpy(&bp->stats.port_requested_paths[0 * 3], &bp->cmd_rsp_virt->smt_mib_get.port_requested_paths[0], 3); 7531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds memcpy(&bp->stats.port_requested_paths[1 * 3], &bp->cmd_rsp_virt->smt_mib_get.port_requested_paths[1], 3); 7541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bp->stats.port_mac_placement[0] = bp->cmd_rsp_virt->smt_mib_get.port_mac_placement[0]; 7551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bp->stats.port_mac_placement[1] = bp->cmd_rsp_virt->smt_mib_get.port_mac_placement[1]; 7561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bp->stats.port_available_paths[0] = bp->cmd_rsp_virt->smt_mib_get.port_available_paths[0]; 7571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bp->stats.port_available_paths[1] = bp->cmd_rsp_virt->smt_mib_get.port_available_paths[1]; 7581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bp->stats.port_pmd_class[0] = bp->cmd_rsp_virt->smt_mib_get.port_pmd_class[0]; 7591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bp->stats.port_pmd_class[1] = bp->cmd_rsp_virt->smt_mib_get.port_pmd_class[1]; 7601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bp->stats.port_connection_capabilities[0] = bp->cmd_rsp_virt->smt_mib_get.port_connection_capabilities[0]; 7611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bp->stats.port_connection_capabilities[1] = bp->cmd_rsp_virt->smt_mib_get.port_connection_capabilities[1]; 7621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bp->stats.port_bs_flag[0] = bp->cmd_rsp_virt->smt_mib_get.port_bs_flag[0]; 7631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bp->stats.port_bs_flag[1] = bp->cmd_rsp_virt->smt_mib_get.port_bs_flag[1]; 7641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bp->stats.port_ler_estimate[0] = bp->cmd_rsp_virt->smt_mib_get.port_ler_estimate[0]; 7651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bp->stats.port_ler_estimate[1] = bp->cmd_rsp_virt->smt_mib_get.port_ler_estimate[1]; 7661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bp->stats.port_ler_cutoff[0] = bp->cmd_rsp_virt->smt_mib_get.port_ler_cutoff[0]; 7671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bp->stats.port_ler_cutoff[1] = bp->cmd_rsp_virt->smt_mib_get.port_ler_cutoff[1]; 7681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bp->stats.port_ler_alarm[0] = bp->cmd_rsp_virt->smt_mib_get.port_ler_alarm[0]; 7691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bp->stats.port_ler_alarm[1] = bp->cmd_rsp_virt->smt_mib_get.port_ler_alarm[1]; 7701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bp->stats.port_connect_state[0] = bp->cmd_rsp_virt->smt_mib_get.port_connect_state[0]; 7711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bp->stats.port_connect_state[1] = bp->cmd_rsp_virt->smt_mib_get.port_connect_state[1]; 7721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bp->stats.port_pcm_state[0] = bp->cmd_rsp_virt->smt_mib_get.port_pcm_state[0]; 7731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bp->stats.port_pcm_state[1] = bp->cmd_rsp_virt->smt_mib_get.port_pcm_state[1]; 7741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bp->stats.port_pc_withhold[0] = bp->cmd_rsp_virt->smt_mib_get.port_pc_withhold[0]; 7751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bp->stats.port_pc_withhold[1] = bp->cmd_rsp_virt->smt_mib_get.port_pc_withhold[1]; 7761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bp->stats.port_ler_flag[0] = bp->cmd_rsp_virt->smt_mib_get.port_ler_flag[0]; 7771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bp->stats.port_ler_flag[1] = bp->cmd_rsp_virt->smt_mib_get.port_ler_flag[1]; 7781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bp->stats.port_hardware_present[0] = bp->cmd_rsp_virt->smt_mib_get.port_hardware_present[0]; 7791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bp->stats.port_hardware_present[1] = bp->cmd_rsp_virt->smt_mib_get.port_hardware_present[1]; 7801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Fill the bp->stats structure with the FDDI counter values */ 7831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bp->stats.mac_frame_cts = bp->cmd_rsp_virt->cntrs_get.cntrs.frame_cnt.ls; 7851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bp->stats.mac_copied_cts = bp->cmd_rsp_virt->cntrs_get.cntrs.copied_cnt.ls; 7861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bp->stats.mac_transmit_cts = bp->cmd_rsp_virt->cntrs_get.cntrs.transmit_cnt.ls; 7871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bp->stats.mac_error_cts = bp->cmd_rsp_virt->cntrs_get.cntrs.error_cnt.ls; 7881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bp->stats.mac_lost_cts = bp->cmd_rsp_virt->cntrs_get.cntrs.lost_cnt.ls; 7891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bp->stats.port_lct_fail_cts[0] = bp->cmd_rsp_virt->cntrs_get.cntrs.lct_rejects[0].ls; 7901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bp->stats.port_lct_fail_cts[1] = bp->cmd_rsp_virt->cntrs_get.cntrs.lct_rejects[1].ls; 7911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bp->stats.port_lem_reject_cts[0] = bp->cmd_rsp_virt->cntrs_get.cntrs.lem_rejects[0].ls; 7921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bp->stats.port_lem_reject_cts[1] = bp->cmd_rsp_virt->cntrs_get.cntrs.lem_rejects[1].ls; 7931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bp->stats.port_lem_cts[0] = bp->cmd_rsp_virt->cntrs_get.cntrs.link_errors[0].ls; 7941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bp->stats.port_lem_cts[1] = bp->cmd_rsp_virt->cntrs_get.cntrs.link_errors[1].ls; 7951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 797807540baae406c84dcb9c1c8ef07a56d2d2ae84aEric Dumazet return (struct net_device_stats *)&bp->os.MacStat; 7981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} // ctl_get_stat 7991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 8021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * ============================== 8031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * = skfp_ctl_set_multicast_list = 8041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * ============================== 8051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 8061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Overview: 8071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Enable/Disable LLC frame promiscuous mode reception 8081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * on the adapter and/or update multicast address table. 8091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 8101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Returns: 8111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * None 8121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 8131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Arguments: 8141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * dev - pointer to device information 8151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 8161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Functional Description: 8171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * This function acquires the driver lock and only calls 8181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * skfp_ctl_set_multicast_list_wo_lock then. 8191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * This routine follows a fairly simple algorithm for setting the 8201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * adapter filters and CAM: 8211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 8221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * if IFF_PROMISC flag is set 8231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * enable promiscuous mode 8241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * else 8251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * disable promiscuous mode 8261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * if number of multicast addresses <= max. multicast number 8271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * add mc addresses to adapter table 8281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * else 8291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * enable promiscuous mode 8301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * update adapter filters 8311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 8321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Assumptions: 8331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Multicast addresses are presented in canonical (LSB) format. 8341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 8351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Side Effects: 8361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * On-board adapter filters are updated. 8371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 8381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void skfp_ctl_set_multicast_list(struct net_device *dev) 8391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 8401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct s_smc *smc = netdev_priv(dev); 8411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds skfddi_priv *bp = &smc->os; 8421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned long Flags; 8431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds spin_lock_irqsave(&bp->DriverLock, Flags); 8451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds skfp_ctl_set_multicast_list_wo_lock(dev); 8461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds spin_unlock_irqrestore(&bp->DriverLock, Flags); 8471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} // skfp_ctl_set_multicast_list 8481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void skfp_ctl_set_multicast_list_wo_lock(struct net_device *dev) 8521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 8531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct s_smc *smc = netdev_priv(dev); 85422bedad3ce112d5ca1eaf043d4990fa2ed698c87Jiri Pirko struct netdev_hw_addr *ha; 8551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Enable promiscuous mode, if necessary */ 8571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (dev->flags & IFF_PROMISC) { 8581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds mac_drv_rx_mode(smc, RX_ENABLE_PROMISC); 859d81e27cf4e2a5050245f9962539292ea2c9e2206Joe Perches pr_debug("PROMISCUOUS MODE ENABLED\n"); 8601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 8611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Else, update multicast address table */ 8621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds else { 8631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds mac_drv_rx_mode(smc, RX_DISABLE_PROMISC); 864d81e27cf4e2a5050245f9962539292ea2c9e2206Joe Perches pr_debug("PROMISCUOUS MODE DISABLED\n"); 8651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds // Reset all MC addresses 8671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds mac_clear_multicast(smc); 8681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds mac_drv_rx_mode(smc, RX_DISABLE_ALLMULTI); 8691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (dev->flags & IFF_ALLMULTI) { 8711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds mac_drv_rx_mode(smc, RX_ENABLE_ALLMULTI); 872d81e27cf4e2a5050245f9962539292ea2c9e2206Joe Perches pr_debug("ENABLE ALL MC ADDRESSES\n"); 8734cd24eaf0c6ee7f0242e34ee77ec899f255e66b5Jiri Pirko } else if (!netdev_mc_empty(dev)) { 8744cd24eaf0c6ee7f0242e34ee77ec899f255e66b5Jiri Pirko if (netdev_mc_count(dev) <= FPMAX_MULTICAST) { 8751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* use exact filtering */ 8761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds // point to first multicast addr 87822bedad3ce112d5ca1eaf043d4990fa2ed698c87Jiri Pirko netdev_for_each_mc_addr(ha, dev) { 87922bedad3ce112d5ca1eaf043d4990fa2ed698c87Jiri Pirko mac_add_multicast(smc, 88022bedad3ce112d5ca1eaf043d4990fa2ed698c87Jiri Pirko (struct fddi_addr *)ha->addr, 88122bedad3ce112d5ca1eaf043d4990fa2ed698c87Jiri Pirko 1); 8821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 883d81e27cf4e2a5050245f9962539292ea2c9e2206Joe Perches pr_debug("ENABLE MC ADDRESS: %pMF\n", 884d81e27cf4e2a5050245f9962539292ea2c9e2206Joe Perches ha->addr); 8855508590c193661bc1484ad7b952af5fceacea40dJiri Pirko } 8861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } else { // more MC addresses than HW supports 8881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds mac_drv_rx_mode(smc, RX_ENABLE_ALLMULTI); 890d81e27cf4e2a5050245f9962539292ea2c9e2206Joe Perches pr_debug("ENABLE ALL MC ADDRESSES\n"); 8911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 8921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } else { // no MC addresses 8931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 894d81e27cf4e2a5050245f9962539292ea2c9e2206Joe Perches pr_debug("DISABLE ALL MC ADDRESSES\n"); 8951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 8961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Update adapter filters */ 8981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds mac_update_multicast(smc); 8991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 9001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} // skfp_ctl_set_multicast_list_wo_lock 9011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 9041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * =========================== 9051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * = skfp_ctl_set_mac_address = 9061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * =========================== 9071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 9081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Overview: 9091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * set new mac address on adapter and update dev_addr field in device table. 9101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 9111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Returns: 9121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * None 9131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 9141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Arguments: 9151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * dev - pointer to device information 9161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * addr - pointer to sockaddr structure containing unicast address to set 9171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 9181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Assumptions: 9191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * The address pointed to by addr->sa_data is a valid unicast 9201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * address and is presented in canonical (LSB) format. 9211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 9221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int skfp_ctl_set_mac_address(struct net_device *dev, void *addr) 9231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 9241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct s_smc *smc = netdev_priv(dev); 9251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct sockaddr *p_sockaddr = (struct sockaddr *) addr; 9261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds skfddi_priv *bp = &smc->os; 9271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned long Flags; 9281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds memcpy(dev->dev_addr, p_sockaddr->sa_data, FDDI_K_ALEN); 9311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds spin_lock_irqsave(&bp->DriverLock, Flags); 9321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ResetAdapter(smc); 9331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds spin_unlock_irqrestore(&bp->DriverLock, Flags); 9341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 935807540baae406c84dcb9c1c8ef07a56d2d2ae84aEric Dumazet return 0; /* always return zero */ 9361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} // skfp_ctl_set_mac_address 9371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 9401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * ============== 9411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * = skfp_ioctl = 9421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * ============== 9431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 9441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Overview: 9451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 9461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Perform IOCTL call functions here. Some are privileged operations and the 9471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * effective uid is checked in those cases. 9481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 9491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Returns: 9501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * status value 9511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 0 - success 9521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * other - failure 9531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 9541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Arguments: 9551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * dev - pointer to device information 9561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * rq - pointer to ioctl request structure 9571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * cmd - ? 9581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 9591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 9601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int skfp_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) 9631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 9641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct s_smc *smc = netdev_priv(dev); 9651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds skfddi_priv *lp = &smc->os; 9661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct s_skfp_ioctl ioc; 9671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int status = 0; 9681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (copy_from_user(&ioc, rq->ifr_data, sizeof(struct s_skfp_ioctl))) 9701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return -EFAULT; 9711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds switch (ioc.cmd) { 9731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case SKFP_GET_STATS: /* Get the driver statistics */ 9741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ioc.len = sizeof(lp->MacStat); 9751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds status = copy_to_user(ioc.data, skfp_ctl_get_stats(dev), ioc.len) 9761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ? -EFAULT : 0; 9771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 9781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case SKFP_CLR_STATS: /* Zero out the driver statistics */ 9791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!capable(CAP_NET_ADMIN)) { 9801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds status = -EPERM; 981c25b9abbc2c2c0da88e180c3933d6e773245815aRoel Kluin } else { 982c25b9abbc2c2c0da88e180c3933d6e773245815aRoel Kluin memset(&lp->MacStat, 0, sizeof(lp->MacStat)); 9831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 9841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 9851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds default: 986af901ca181d92aac3a7dc265144a9081a86d8f39André Goddard Rosa printk("ioctl for %s: unknown cmd: %04x\n", dev->name, ioc.cmd); 9871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds status = -EOPNOTSUPP; 9881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } // switch 9901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return status; 9921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} // skfp_ioctl 9931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 9961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * ===================== 9971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * = skfp_send_pkt = 9981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * ===================== 9991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 10001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Overview: 10011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Queues a packet for transmission and try to transmit it. 10021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 10031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Returns: 10041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Condition code 10051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 10061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Arguments: 10071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * skb - pointer to sk_buff to queue for transmission 10081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * dev - pointer to device information 10091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 10101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Functional Description: 10111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Here we assume that an incoming skb transmit request 10121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * is contained in a single physically contiguous buffer 10131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * in which the virtual address of the start of packet 10141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * (skb->data) can be converted to a physical address 10151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * by using pci_map_single(). 10161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 10171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * We have an internal queue for packets we can not send 10181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * immediately. Packets in this queue can be given to the 10191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * adapter if transmit buffers are freed. 10201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 10211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * We can't free the skb until after it's been DMA'd 10221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * out by the adapter, so we'll keep it in the driver and 10231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * return it in mac_drv_tx_complete. 10241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 10251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Return Codes: 10261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 0 - driver has queued and/or sent packet 10271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 1 - caller should requeue the sk_buff for later transmission 10281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 10291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Assumptions: 10301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * The entire packet is stored in one physically 10311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * contiguous buffer which is not cached and whose 10321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 32-bit physical address can be determined. 10331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 10341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * It's vital that this routine is NOT reentered for the 10351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * same board and that the OS is not in another section of 10361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * code (eg. skfp_interrupt) for the same board on a 10371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * different thread. 10381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 10391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Side Effects: 10401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * None 10411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 104261357325f377889a1daffa14962d705dc814dd0eStephen Hemmingerstatic netdev_tx_t skfp_send_pkt(struct sk_buff *skb, 104361357325f377889a1daffa14962d705dc814dd0eStephen Hemminger struct net_device *dev) 10441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 10451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct s_smc *smc = netdev_priv(dev); 10461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds skfddi_priv *bp = &smc->os; 10471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1048d81e27cf4e2a5050245f9962539292ea2c9e2206Joe Perches pr_debug("skfp_send_pkt\n"); 10491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* 10511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Verify that incoming transmit request is OK 10521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 10531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Note: The packet size check is consistent with other 10541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Linux device drivers, although the correct packet 10551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * size should be verified before calling the 10561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * transmit routine. 10571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 10581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!(skb->len >= FDDI_K_LLC_ZLEN && skb->len <= FDDI_K_LLC_LEN)) { 10601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bp->MacStat.gen.tx_errors++; /* bump error counter */ 10611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds // dequeue packets from xmt queue and send them 10621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds netif_start_queue(dev); 10631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dev_kfree_skb(skb); 1064ec634fe328182a1a098585bfc7b69e5042bdb08dPatrick McHardy return NETDEV_TX_OK; /* return "success" */ 10651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 10661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (bp->QueueSkb == 0) { // return with tbusy set: queue full 10671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds netif_stop_queue(dev); 10695b548140225c6bbbbd560551dd1048b2c0ce58bePatrick McHardy return NETDEV_TX_BUSY; 10701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 10711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bp->QueueSkb--; 10721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds skb_queue_tail(&bp->SendSkbQueue, skb); 10731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds send_queued_packets(netdev_priv(dev)); 10741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (bp->QueueSkb == 0) { 10751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds netif_stop_queue(dev); 10761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 10776ed106549d17474ca17a16057f4c0ed4eba5a7caPatrick McHardy return NETDEV_TX_OK; 10781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} // skfp_send_pkt 10801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 10831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * ======================= 10841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * = send_queued_packets = 10851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * ======================= 10861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 10871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Overview: 10881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Send packets from the driver queue as long as there are some and 10891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * transmit resources are available. 10901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 10911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Returns: 10921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * None 10931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 10941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Arguments: 10951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * smc - pointer to smc (adapter) structure 10961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 10971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Functional Description: 10981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Take a packet from queue if there is any. If not, then we are done. 10991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Check if there are resources to send the packet. If not, requeue it 11001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * and exit. 11011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Set packet descriptor flags and give packet to adapter. 11021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Check if any send resources can be freed (we do not use the 11031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * transmit complete interrupt). 11041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 11051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void send_queued_packets(struct s_smc *smc) 11061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 11071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds skfddi_priv *bp = &smc->os; 11081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct sk_buff *skb; 11091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned char fc; 11101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int queue; 11111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct s_smt_fp_txd *txd; // Current TxD. 11121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dma_addr_t dma_address; 11131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned long Flags; 11141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 11151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int frame_status; // HWM tx frame status. 11161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1117d81e27cf4e2a5050245f9962539292ea2c9e2206Joe Perches pr_debug("send queued packets\n"); 11181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (;;) { 11191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds // send first buffer from queue 11201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds skb = skb_dequeue(&bp->SendSkbQueue); 11211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 11221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!skb) { 1123d81e27cf4e2a5050245f9962539292ea2c9e2206Joe Perches pr_debug("queue empty\n"); 11241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return; 11251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } // queue empty ! 11261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 11271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds spin_lock_irqsave(&bp->DriverLock, Flags); 11281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds fc = skb->data[0]; 11291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds queue = (fc & FC_SYNC_BIT) ? QUEUE_S : QUEUE_A0; 11301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifdef ESS 11311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds // Check if the frame may/must be sent as a synchronous frame. 11321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 11331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if ((fc & ~(FC_SYNC_BIT | FC_LLC_PRIOR)) == FC_ASYNC_LLC) { 11341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds // It's an LLC frame. 11351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!smc->ess.sync_bw_available) 11361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds fc &= ~FC_SYNC_BIT; // No bandwidth available. 11371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 11381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds else { // Bandwidth is available. 11391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 11401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (smc->mib.fddiESSSynchTxMode) { 11411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds // Send as sync. frame. 11421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds fc |= FC_SYNC_BIT; 11431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 11441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 11451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 11461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif // ESS 11471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds frame_status = hwm_tx_init(smc, fc, 1, skb->len, queue); 11481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 11491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if ((frame_status & (LOC_TX | LAN_TX)) == 0) { 11501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds // Unable to send the frame. 11511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 11521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if ((frame_status & RING_DOWN) != 0) { 11531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds // Ring is down. 1154ebc06eeb7260ecad3bd69202ba6291138691d27bAlexander Beregalov pr_debug("Tx attempt while ring down.\n"); 11551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } else if ((frame_status & OUT_OF_TXD) != 0) { 1156ebc06eeb7260ecad3bd69202ba6291138691d27bAlexander Beregalov pr_debug("%s: out of TXDs.\n", bp->dev->name); 11571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } else { 1158ebc06eeb7260ecad3bd69202ba6291138691d27bAlexander Beregalov pr_debug("%s: out of transmit resources", 11591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bp->dev->name); 11601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 11611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 11621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds // Note: We will retry the operation as soon as 11631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds // transmit resources become available. 11641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds skb_queue_head(&bp->SendSkbQueue, skb); 11651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds spin_unlock_irqrestore(&bp->DriverLock, Flags); 11661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return; // Packet has been queued. 11671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 11681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } // if (unable to send frame) 11691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 11701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bp->QueueSkb++; // one packet less in local queue 11711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 11721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds // source address in packet ? 11731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds CheckSourceAddress(skb->data, smc->hw.fddi_canon_addr.a); 11741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 11751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds txd = (struct s_smt_fp_txd *) HWM_GET_CURR_TXD(smc, queue); 11761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 11771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dma_address = pci_map_single(&bp->pdev, skb->data, 11781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds skb->len, PCI_DMA_TODEVICE); 11791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (frame_status & LAN_TX) { 11801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds txd->txd_os.skb = skb; // save skb 11811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds txd->txd_os.dma_addr = dma_address; // save dma mapping 11821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 11831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hwm_tx_frag(smc, skb->data, dma_address, skb->len, 11841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds frame_status | FIRST_FRAG | LAST_FRAG | EN_IRQ_EOF); 11851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 11861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!(frame_status & LAN_TX)) { // local only frame 11871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds pci_unmap_single(&bp->pdev, dma_address, 11881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds skb->len, PCI_DMA_TODEVICE); 11891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dev_kfree_skb_irq(skb); 11901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 11911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds spin_unlock_irqrestore(&bp->DriverLock, Flags); 11921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } // for 11931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 11941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return; // never reached 11951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 11961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} // send_queued_packets 11971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 11981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 11991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/************************ 12001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 12011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * CheckSourceAddress 12021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 12031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Verify if the source address is set. Insert it if necessary. 12041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 12051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ************************/ 1206409b204435b85f7e159230c216f334a862cb3b95Hannes Ederstatic void CheckSourceAddress(unsigned char *frame, unsigned char *hw_addr) 12071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 12081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned char SRBit; 12091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 12101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if ((((unsigned long) frame[1 + 6]) & ~0x01) != 0) // source routing bit 12111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 12121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return; 12131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if ((unsigned short) frame[1 + 10] != 0) 12141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return; 12151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds SRBit = frame[1 + 6] & 0x01; 12161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds memcpy(&frame[1 + 6], hw_addr, 6); 12171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds frame[8] |= SRBit; 12181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} // CheckSourceAddress 12191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 12201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 12211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/************************ 12221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 12231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * ResetAdapter 12241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 12251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Reset the adapter and bring it back to operational mode. 12261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Args 12271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * smc - A pointer to the SMT context struct. 12281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Out 12291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Nothing. 12301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 12311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ************************/ 12321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void ResetAdapter(struct s_smc *smc) 12331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 12341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1235d81e27cf4e2a5050245f9962539292ea2c9e2206Joe Perches pr_debug("[fddi: ResetAdapter]\n"); 12361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 12371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds // Stop the adapter. 12381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 12391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds card_stop(smc); // Stop all activity. 12401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 12411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds // Clear the transmit and receive descriptor queues. 12421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds mac_drv_clear_tx_queue(smc); 12431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds mac_drv_clear_rx_queue(smc); 12441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 12451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds // Restart the adapter. 12461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 12471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds smt_reset_defaults(smc, 1); // Initialize the SMT module. 12481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 12491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds init_smt(smc, (smc->os.dev)->dev_addr); // Initialize the hardware. 12501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 12511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds smt_online(smc, 1); // Insert into the ring again. 12521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds STI_FBI(); 12531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 12541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds // Restore original receive mode (multicasts, promiscuous, etc.). 12551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds skfp_ctl_set_multicast_list_wo_lock(smc->os.dev); 12561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} // ResetAdapter 12571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 12581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 12591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds//--------------- functions called by hardware module ---------------- 12601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 12611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/************************ 12621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 12631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * llc_restart_tx 12641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 12651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * The hardware driver calls this routine when the transmit complete 12661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * interrupt bits (end of frame) for the synchronous or asynchronous 12671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * queue is set. 12681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 12691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * NOTE The hardware driver calls this function also if no packets are queued. 12701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * The routine must be able to handle this case. 12711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Args 12721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * smc - A pointer to the SMT context struct. 12731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Out 12741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Nothing. 12751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 12761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ************************/ 12771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsvoid llc_restart_tx(struct s_smc *smc) 12781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 12791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds skfddi_priv *bp = &smc->os; 12801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1281d81e27cf4e2a5050245f9962539292ea2c9e2206Joe Perches pr_debug("[llc_restart_tx]\n"); 12821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 12831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds // Try to send queued packets 12841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds spin_unlock(&bp->DriverLock); 12851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds send_queued_packets(smc); 12861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds spin_lock(&bp->DriverLock); 12871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds netif_start_queue(bp->dev);// system may send again if it was blocked 12881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 12891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} // llc_restart_tx 12901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 12911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 12921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/************************ 12931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 12941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * mac_drv_get_space 12951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 12961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * The hardware module calls this function to allocate the memory 12971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * for the SMT MBufs if the define MB_OUTSIDE_SMC is specified. 12981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Args 12991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * smc - A pointer to the SMT context struct. 13001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 13011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * size - Size of memory in bytes to allocate. 13021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Out 13031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * != 0 A pointer to the virtual address of the allocated memory. 13041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * == 0 Allocation error. 13051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 13061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ************************/ 13071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsvoid *mac_drv_get_space(struct s_smc *smc, unsigned int size) 13081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 13091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds void *virt; 13101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1311d81e27cf4e2a5050245f9962539292ea2c9e2206Joe Perches pr_debug("mac_drv_get_space (%d bytes), ", size); 13121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds virt = (void *) (smc->os.SharedMemAddr + smc->os.SharedMemHeap); 13131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 13141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if ((smc->os.SharedMemHeap + size) > smc->os.SharedMemSize) { 13151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk("Unexpected SMT memory size requested: %d\n", size); 1316807540baae406c84dcb9c1c8ef07a56d2d2ae84aEric Dumazet return NULL; 13171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 13181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds smc->os.SharedMemHeap += size; // Move heap pointer. 13191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1320d81e27cf4e2a5050245f9962539292ea2c9e2206Joe Perches pr_debug("mac_drv_get_space end\n"); 1321d81e27cf4e2a5050245f9962539292ea2c9e2206Joe Perches pr_debug("virt addr: %lx\n", (ulong) virt); 1322d81e27cf4e2a5050245f9962539292ea2c9e2206Joe Perches pr_debug("bus addr: %lx\n", (ulong) 13231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (smc->os.SharedMemDMA + 13241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ((char *) virt - (char *)smc->os.SharedMemAddr))); 1325807540baae406c84dcb9c1c8ef07a56d2d2ae84aEric Dumazet return virt; 13261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} // mac_drv_get_space 13271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 13281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 13291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/************************ 13301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 13311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * mac_drv_get_desc_mem 13321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 13331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * This function is called by the hardware dependent module. 13341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * It allocates the memory for the RxD and TxD descriptors. 13351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 13361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * This memory must be non-cached, non-movable and non-swappable. 13371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * This memory should start at a physical page boundary. 13381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Args 13391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * smc - A pointer to the SMT context struct. 13401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 13411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * size - Size of memory in bytes to allocate. 13421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Out 13431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * != 0 A pointer to the virtual address of the allocated memory. 13441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * == 0 Allocation error. 13451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 13461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ************************/ 13471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsvoid *mac_drv_get_desc_mem(struct s_smc *smc, unsigned int size) 13481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 13491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 13501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds char *virt; 13511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1352d81e27cf4e2a5050245f9962539292ea2c9e2206Joe Perches pr_debug("mac_drv_get_desc_mem\n"); 13531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 13541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds // Descriptor memory must be aligned on 16-byte boundary. 13551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 13561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds virt = mac_drv_get_space(smc, size); 13571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 13581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds size = (u_int) (16 - (((unsigned long) virt) & 15UL)); 13591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds size = size % 16; 13601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1361ebc06eeb7260ecad3bd69202ba6291138691d27bAlexander Beregalov pr_debug("Allocate %u bytes alignment gap ", size); 1362ebc06eeb7260ecad3bd69202ba6291138691d27bAlexander Beregalov pr_debug("for descriptor memory.\n"); 13631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 13641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!mac_drv_get_space(smc, size)) { 13651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk("fddi: Unable to align descriptor memory.\n"); 1366807540baae406c84dcb9c1c8ef07a56d2d2ae84aEric Dumazet return NULL; 13671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 1368807540baae406c84dcb9c1c8ef07a56d2d2ae84aEric Dumazet return virt + size; 13691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} // mac_drv_get_desc_mem 13701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 13711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 13721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/************************ 13731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 13741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * mac_drv_virt2phys 13751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 13761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Get the physical address of a given virtual address. 13771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Args 13781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * smc - A pointer to the SMT context struct. 13791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 13801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * virt - A (virtual) pointer into our 'shared' memory area. 13811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Out 13821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Physical address of the given virtual address. 13831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 13841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ************************/ 13851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsunsigned long mac_drv_virt2phys(struct s_smc *smc, void *virt) 13861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 1387807540baae406c84dcb9c1c8ef07a56d2d2ae84aEric Dumazet return smc->os.SharedMemDMA + 1388807540baae406c84dcb9c1c8ef07a56d2d2ae84aEric Dumazet ((char *) virt - (char *)smc->os.SharedMemAddr); 13891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} // mac_drv_virt2phys 13901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 13911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 13921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/************************ 13931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 13941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * dma_master 13951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 13961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * The HWM calls this function, when the driver leads through a DMA 13971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * transfer. If the OS-specific module must prepare the system hardware 13981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * for the DMA transfer, it should do it in this function. 13991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 14001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * The hardware module calls this dma_master if it wants to send an SMT 14011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * frame. This means that the virt address passed in here is part of 14021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * the 'shared' memory area. 14031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Args 14041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * smc - A pointer to the SMT context struct. 14051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 14061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * virt - The virtual address of the data. 14071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 14081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * len - The length in bytes of the data. 14091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 14101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * flag - Indicates the transmit direction and the buffer type: 14111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * DMA_RD (0x01) system RAM ==> adapter buffer memory 14121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * DMA_WR (0x02) adapter buffer memory ==> system RAM 14131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * SMT_BUF (0x80) SMT buffer 14141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 14151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * >> NOTE: SMT_BUF and DMA_RD are always set for PCI. << 14161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Out 14171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Returns the pyhsical address for the DMA transfer. 14181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 14191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ************************/ 14201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsu_long dma_master(struct s_smc * smc, void *virt, int len, int flag) 14211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 1422807540baae406c84dcb9c1c8ef07a56d2d2ae84aEric Dumazet return smc->os.SharedMemDMA + 1423807540baae406c84dcb9c1c8ef07a56d2d2ae84aEric Dumazet ((char *) virt - (char *)smc->os.SharedMemAddr); 14241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} // dma_master 14251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 14261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 14271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/************************ 14281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 14291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * dma_complete 14301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 14311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * The hardware module calls this routine when it has completed a DMA 14321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * transfer. If the operating system dependent module has set up the DMA 14331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * channel via dma_master() (e.g. Windows NT or AIX) it should clean up 14341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * the DMA channel. 14351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Args 14361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * smc - A pointer to the SMT context struct. 14371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 14381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * descr - A pointer to a TxD or RxD, respectively. 14391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 14401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * flag - Indicates the DMA transfer direction / SMT buffer: 14411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * DMA_RD (0x01) system RAM ==> adapter buffer memory 14421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * DMA_WR (0x02) adapter buffer memory ==> system RAM 14431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * SMT_BUF (0x80) SMT buffer (managed by HWM) 14441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Out 14451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Nothing. 14461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 14471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ************************/ 14481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsvoid dma_complete(struct s_smc *smc, volatile union s_fp_descr *descr, int flag) 14491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 14501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* For TX buffers, there are two cases. If it is an SMT transmit 14511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * buffer, there is nothing to do since we use consistent memory 14521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * for the 'shared' memory area. The other case is for normal 14531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * transmit packets given to us by the networking stack, and in 14541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * that case we cleanup the PCI DMA mapping in mac_drv_tx_complete 14551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * below. 14561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 14571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * For RX buffers, we have to unmap dynamic PCI DMA mappings here 14581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * because the hardware module is about to potentially look at 14591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * the contents of the buffer. If we did not call the PCI DMA 14601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * unmap first, the hardware module could read inconsistent data. 14611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 14621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (flag & DMA_WR) { 14631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds skfddi_priv *bp = &smc->os; 14641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds volatile struct s_smt_fp_rxd *r = &descr->r; 14651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 14661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* If SKB is NULL, we used the local buffer. */ 14671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (r->rxd_os.skb && r->rxd_os.dma_addr) { 14681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int MaxFrameSize = bp->MaxFrameSize; 14691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 14701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds pci_unmap_single(&bp->pdev, r->rxd_os.dma_addr, 14711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds MaxFrameSize, PCI_DMA_FROMDEVICE); 14721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds r->rxd_os.dma_addr = 0; 14731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 14741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 14751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} // dma_complete 14761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 14771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 14781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/************************ 14791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 14801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * mac_drv_tx_complete 14811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 14821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Transmit of a packet is complete. Release the tx staging buffer. 14831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 14841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Args 14851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * smc - A pointer to the SMT context struct. 14861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 14871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * txd - A pointer to the last TxD which is used by the frame. 14881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Out 14891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Returns nothing. 14901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 14911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ************************/ 14921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsvoid mac_drv_tx_complete(struct s_smc *smc, volatile struct s_smt_fp_txd *txd) 14931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 14941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct sk_buff *skb; 14951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1496d81e27cf4e2a5050245f9962539292ea2c9e2206Joe Perches pr_debug("entering mac_drv_tx_complete\n"); 14971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds // Check if this TxD points to a skb 14981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 14991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!(skb = txd->txd_os.skb)) { 1500ebc06eeb7260ecad3bd69202ba6291138691d27bAlexander Beregalov pr_debug("TXD with no skb assigned.\n"); 15011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return; 15021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 15031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds txd->txd_os.skb = NULL; 15041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 15051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds // release the DMA mapping 15061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds pci_unmap_single(&smc->os.pdev, txd->txd_os.dma_addr, 15071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds skb->len, PCI_DMA_TODEVICE); 15081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds txd->txd_os.dma_addr = 0; 15091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 15101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds smc->os.MacStat.gen.tx_packets++; // Count transmitted packets. 15111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds smc->os.MacStat.gen.tx_bytes+=skb->len; // Count bytes 15121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 15131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds // free the skb 15141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dev_kfree_skb_irq(skb); 15151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1516d81e27cf4e2a5050245f9962539292ea2c9e2206Joe Perches pr_debug("leaving mac_drv_tx_complete\n"); 15171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} // mac_drv_tx_complete 15181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 15191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 15201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/************************ 15211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 15221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * dump packets to logfile 15231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 15241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ************************/ 15251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifdef DUMPPACKETS 15261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsvoid dump_data(unsigned char *Data, int length) 15271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 15281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int i, j; 15291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned char s[255], sh[10]; 15301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (length > 64) { 15311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds length = 64; 15321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 15331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(KERN_INFO "---Packet start---\n"); 15341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (i = 0, j = 0; i < length / 8; i++, j += 8) 15351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(KERN_INFO "%02x %02x %02x %02x %02x %02x %02x %02x\n", 15361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds Data[j + 0], Data[j + 1], Data[j + 2], Data[j + 3], 15371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds Data[j + 4], Data[j + 5], Data[j + 6], Data[j + 7]); 15381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds strcpy(s, ""); 15391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (i = 0; i < length % 8; i++) { 15401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds sprintf(sh, "%02x ", Data[j + i]); 15411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds strcat(s, sh); 15421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 15431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(KERN_INFO "%s\n", s); 15441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(KERN_INFO "------------------\n"); 15451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} // dump_data 15461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#else 15471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define dump_data(data,len) 15481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif // DUMPPACKETS 15491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 15501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/************************ 15511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 15521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * mac_drv_rx_complete 15531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 15541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * The hardware module calls this function if an LLC frame is received 15551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * in a receive buffer. Also the SMT, NSA, and directed beacon frames 15561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * from the network will be passed to the LLC layer by this function 15571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * if passing is enabled. 15581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 15591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * mac_drv_rx_complete forwards the frame to the LLC layer if it should 15601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * be received. It also fills the RxD ring with new receive buffers if 15611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * some can be queued. 15621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Args 15631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * smc - A pointer to the SMT context struct. 15641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 15651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * rxd - A pointer to the first RxD which is used by the receive frame. 15661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 15671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * frag_count - Count of RxDs used by the received frame. 15681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 15691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * len - Frame length. 15701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Out 15711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Nothing. 15721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 15731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ************************/ 15741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsvoid mac_drv_rx_complete(struct s_smc *smc, volatile struct s_smt_fp_rxd *rxd, 15751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int frag_count, int len) 15761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 15771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds skfddi_priv *bp = &smc->os; 15781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct sk_buff *skb; 15791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned char *virt, *cp; 15801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned short ri; 15811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u_int RifLength; 15821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1583d81e27cf4e2a5050245f9962539292ea2c9e2206Joe Perches pr_debug("entering mac_drv_rx_complete (len=%d)\n", len); 15841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (frag_count != 1) { // This is not allowed to happen. 15851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 15861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk("fddi: Multi-fragment receive!\n"); 15871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds goto RequeueRxd; // Re-use the given RXD(s). 15881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 15891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 15901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds skb = rxd->rxd_os.skb; 15911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!skb) { 1592d81e27cf4e2a5050245f9962539292ea2c9e2206Joe Perches pr_debug("No skb in rxd\n"); 15931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds smc->os.MacStat.gen.rx_errors++; 15941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds goto RequeueRxd; 15951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 15961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds virt = skb->data; 15971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 15981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds // The DMA mapping was released in dma_complete above. 15991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 16001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dump_data(skb->data, len); 16011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 16021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* 16031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * FDDI Frame format: 16041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * +-------+-------+-------+------------+--------+------------+ 16051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * | FC[1] | DA[6] | SA[6] | RIF[0..18] | LLC[3] | Data[0..n] | 16061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * +-------+-------+-------+------------+--------+------------+ 16071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 16081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * FC = Frame Control 16091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * DA = Destination Address 16101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * SA = Source Address 16111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * RIF = Routing Information Field 16121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * LLC = Logical Link Control 16131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 16141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 16151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds // Remove Routing Information Field (RIF), if present. 16161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 16171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if ((virt[1 + 6] & FDDI_RII) == 0) 16181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds RifLength = 0; 16191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds else { 16201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int n; 16211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds// goos: RIF removal has still to be tested 1622d81e27cf4e2a5050245f9962539292ea2c9e2206Joe Perches pr_debug("RIF found\n"); 16231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds // Get RIF length from Routing Control (RC) field. 16241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds cp = virt + FDDI_MAC_HDR_LEN; // Point behind MAC header. 16251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 16262f220e305b23ab277aa0f91e2a65978f5cc1a785Al Viro ri = ntohs(*((__be16 *) cp)); 16271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds RifLength = ri & FDDI_RCF_LEN_MASK; 16281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (len < (int) (FDDI_MAC_HDR_LEN + RifLength)) { 16291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk("fddi: Invalid RIF.\n"); 16301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds goto RequeueRxd; // Discard the frame. 16311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 16321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 16331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds virt[1 + 6] &= ~FDDI_RII; // Clear RII bit. 16341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds // regions overlap 16351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 16361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds virt = cp + RifLength; 16371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (n = FDDI_MAC_HDR_LEN; n; n--) 16381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *--virt = *--cp; 16391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds // adjust sbd->data pointer 16401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds skb_pull(skb, RifLength); 16411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds len -= RifLength; 16421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds RifLength = 0; 16431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 16441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 16451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds // Count statistics. 16461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds smc->os.MacStat.gen.rx_packets++; // Count indicated receive 16471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds // packets. 16481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds smc->os.MacStat.gen.rx_bytes+=len; // Count bytes. 16491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 16501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds // virt points to header again 16511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (virt[1] & 0x01) { // Check group (multicast) bit. 16521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 16531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds smc->os.MacStat.gen.multicast++; 16541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 16551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 16561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds // deliver frame to system 16571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds rxd->rxd_os.skb = NULL; 16581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds skb_trim(skb, len); 16591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds skb->protocol = fddi_type_trans(skb, bp->dev); 16601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 16611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds netif_rx(skb); 16621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 16631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds HWM_RX_CHECK(smc, RX_LOW_WATERMARK); 16641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return; 16651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 16661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds RequeueRxd: 1667d81e27cf4e2a5050245f9962539292ea2c9e2206Joe Perches pr_debug("Rx: re-queue RXD.\n"); 16681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds mac_drv_requeue_rxd(smc, rxd, frag_count); 16691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds smc->os.MacStat.gen.rx_errors++; // Count receive packets 16701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds // not indicated. 16711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 16721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} // mac_drv_rx_complete 16731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 16741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 16751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/************************ 16761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 16771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * mac_drv_requeue_rxd 16781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 16791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * The hardware module calls this function to request the OS-specific 16801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * module to queue the receive buffer(s) represented by the pointer 16811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * to the RxD and the frag_count into the receive queue again. This 16821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * buffer was filled with an invalid frame or an SMT frame. 16831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Args 16841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * smc - A pointer to the SMT context struct. 16851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 16861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * rxd - A pointer to the first RxD which is used by the receive frame. 16871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 16881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * frag_count - Count of RxDs used by the received frame. 16891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Out 16901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Nothing. 16911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 16921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ************************/ 16931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsvoid mac_drv_requeue_rxd(struct s_smc *smc, volatile struct s_smt_fp_rxd *rxd, 16941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int frag_count) 16951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 16961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds volatile struct s_smt_fp_rxd *next_rxd; 16971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds volatile struct s_smt_fp_rxd *src_rxd; 16981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct sk_buff *skb; 16991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int MaxFrameSize; 17001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned char *v_addr; 17011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dma_addr_t b_addr; 17021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 17031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (frag_count != 1) // This is not allowed to happen. 17041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 17051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk("fddi: Multi-fragment requeue!\n"); 17061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 17071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds MaxFrameSize = smc->os.MaxFrameSize; 17081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds src_rxd = rxd; 17091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (; frag_count > 0; frag_count--) { 17101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds next_rxd = src_rxd->rxd_next; 17111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds rxd = HWM_GET_CURR_RXD(smc); 17121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 17131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds skb = src_rxd->rxd_os.skb; 17141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (skb == NULL) { // this should not happen 17151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1716ebc06eeb7260ecad3bd69202ba6291138691d27bAlexander Beregalov pr_debug("Requeue with no skb in rxd!\n"); 17171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds skb = alloc_skb(MaxFrameSize + 3, GFP_ATOMIC); 17181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (skb) { 17191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds // we got a skb 17201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds rxd->rxd_os.skb = skb; 17211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds skb_reserve(skb, 3); 17221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds skb_put(skb, MaxFrameSize); 17231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds v_addr = skb->data; 17241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds b_addr = pci_map_single(&smc->os.pdev, 17251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds v_addr, 17261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds MaxFrameSize, 17271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds PCI_DMA_FROMDEVICE); 17281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds rxd->rxd_os.dma_addr = b_addr; 17291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } else { 17301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds // no skb available, use local buffer 1731ebc06eeb7260ecad3bd69202ba6291138691d27bAlexander Beregalov pr_debug("Queueing invalid buffer!\n"); 17321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds rxd->rxd_os.skb = NULL; 17331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds v_addr = smc->os.LocalRxBuffer; 17341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds b_addr = smc->os.LocalRxBufferDMA; 17351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 17361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } else { 17371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds // we use skb from old rxd 17381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds rxd->rxd_os.skb = skb; 17391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds v_addr = skb->data; 17401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds b_addr = pci_map_single(&smc->os.pdev, 17411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds v_addr, 17421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds MaxFrameSize, 17431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds PCI_DMA_FROMDEVICE); 17441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds rxd->rxd_os.dma_addr = b_addr; 17451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 17461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hwm_rx_frag(smc, v_addr, b_addr, MaxFrameSize, 17471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds FIRST_FRAG | LAST_FRAG); 17481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 17491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds src_rxd = next_rxd; 17501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 17511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} // mac_drv_requeue_rxd 17521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 17531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 17541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/************************ 17551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 17561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * mac_drv_fill_rxd 17571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 17581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * The hardware module calls this function at initialization time 17591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * to fill the RxD ring with receive buffers. It is also called by 17601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * mac_drv_rx_complete if rx_free is large enough to queue some new 17611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * receive buffers into the RxD ring. mac_drv_fill_rxd queues new 17621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * receive buffers as long as enough RxDs and receive buffers are 17631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * available. 17641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Args 17651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * smc - A pointer to the SMT context struct. 17661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Out 17671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Nothing. 17681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 17691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ************************/ 17701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsvoid mac_drv_fill_rxd(struct s_smc *smc) 17711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 17721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int MaxFrameSize; 17731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned char *v_addr; 17741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned long b_addr; 17751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct sk_buff *skb; 17761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds volatile struct s_smt_fp_rxd *rxd; 17771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1778d81e27cf4e2a5050245f9962539292ea2c9e2206Joe Perches pr_debug("entering mac_drv_fill_rxd\n"); 17791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 17801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds // Walk through the list of free receive buffers, passing receive 17811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds // buffers to the HWM as long as RXDs are available. 17821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 17831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds MaxFrameSize = smc->os.MaxFrameSize; 17841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds // Check if there is any RXD left. 17851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds while (HWM_GET_RX_FREE(smc) > 0) { 1786d81e27cf4e2a5050245f9962539292ea2c9e2206Joe Perches pr_debug(".\n"); 17871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 17881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds rxd = HWM_GET_CURR_RXD(smc); 17891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds skb = alloc_skb(MaxFrameSize + 3, GFP_ATOMIC); 17901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (skb) { 17911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds // we got a skb 17921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds skb_reserve(skb, 3); 17931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds skb_put(skb, MaxFrameSize); 17941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds v_addr = skb->data; 17951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds b_addr = pci_map_single(&smc->os.pdev, 17961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds v_addr, 17971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds MaxFrameSize, 17981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds PCI_DMA_FROMDEVICE); 17991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds rxd->rxd_os.dma_addr = b_addr; 18001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } else { 18011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds // no skb available, use local buffer 18021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds // System has run out of buffer memory, but we want to 18031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds // keep the receiver running in hope of better times. 18041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds // Multiple descriptors may point to this local buffer, 18051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds // so data in it must be considered invalid. 1806ebc06eeb7260ecad3bd69202ba6291138691d27bAlexander Beregalov pr_debug("Queueing invalid buffer!\n"); 18071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds v_addr = smc->os.LocalRxBuffer; 18081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds b_addr = smc->os.LocalRxBufferDMA; 18091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 18101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 18111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds rxd->rxd_os.skb = skb; 18121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 18131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds // Pass receive buffer to HWM. 18141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hwm_rx_frag(smc, v_addr, b_addr, MaxFrameSize, 18151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds FIRST_FRAG | LAST_FRAG); 18161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 1817d81e27cf4e2a5050245f9962539292ea2c9e2206Joe Perches pr_debug("leaving mac_drv_fill_rxd\n"); 18181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} // mac_drv_fill_rxd 18191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 18201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 18211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/************************ 18221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 18231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * mac_drv_clear_rxd 18241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 18251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * The hardware module calls this function to release unused 18261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * receive buffers. 18271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Args 18281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * smc - A pointer to the SMT context struct. 18291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 18301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * rxd - A pointer to the first RxD which is used by the receive buffer. 18311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 18321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * frag_count - Count of RxDs used by the receive buffer. 18331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Out 18341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Nothing. 18351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 18361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ************************/ 18371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsvoid mac_drv_clear_rxd(struct s_smc *smc, volatile struct s_smt_fp_rxd *rxd, 18381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int frag_count) 18391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 18401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 18411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct sk_buff *skb; 18421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1843ebc06eeb7260ecad3bd69202ba6291138691d27bAlexander Beregalov pr_debug("entering mac_drv_clear_rxd\n"); 18441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 18451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (frag_count != 1) // This is not allowed to happen. 18461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 18471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk("fddi: Multi-fragment clear!\n"); 18481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 18491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (; frag_count > 0; frag_count--) { 18501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds skb = rxd->rxd_os.skb; 18511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (skb != NULL) { 18521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds skfddi_priv *bp = &smc->os; 18531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int MaxFrameSize = bp->MaxFrameSize; 18541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 18551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds pci_unmap_single(&bp->pdev, rxd->rxd_os.dma_addr, 18561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds MaxFrameSize, PCI_DMA_FROMDEVICE); 18571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 18581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dev_kfree_skb(skb); 18591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds rxd->rxd_os.skb = NULL; 18601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 18611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds rxd = rxd->rxd_next; // Next RXD. 18621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 18631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 18641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} // mac_drv_clear_rxd 18651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 18661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 18671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/************************ 18681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 18691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * mac_drv_rx_init 18701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 18711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * The hardware module calls this routine when an SMT or NSA frame of the 18721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * local SMT should be delivered to the LLC layer. 18731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 18741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * It is necessary to have this function, because there is no other way to 18751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * copy the contents of SMT MBufs into receive buffers. 18761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 18771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * mac_drv_rx_init allocates the required target memory for this frame, 18781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * and receives the frame fragment by fragment by calling mac_drv_rx_frag. 18791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Args 18801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * smc - A pointer to the SMT context struct. 18811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 18821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * len - The length (in bytes) of the received frame (FC, DA, SA, Data). 18831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 18841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * fc - The Frame Control field of the received frame. 18851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 18861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * look_ahead - A pointer to the lookahead data buffer (may be NULL). 18871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 18881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * la_len - The length of the lookahead data stored in the lookahead 18891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * buffer (may be zero). 18901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Out 18911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Always returns zero (0). 18921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 18931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ************************/ 18941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsint mac_drv_rx_init(struct s_smc *smc, int len, int fc, 18951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds char *look_ahead, int la_len) 18961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 18971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct sk_buff *skb; 18981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1899ebc06eeb7260ecad3bd69202ba6291138691d27bAlexander Beregalov pr_debug("entering mac_drv_rx_init(len=%d)\n", len); 19001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 19011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds // "Received" a SMT or NSA frame of the local SMT. 19021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 19031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (len != la_len || len < FDDI_MAC_HDR_LEN || !look_ahead) { 1904ebc06eeb7260ecad3bd69202ba6291138691d27bAlexander Beregalov pr_debug("fddi: Discard invalid local SMT frame\n"); 1905ebc06eeb7260ecad3bd69202ba6291138691d27bAlexander Beregalov pr_debug(" len=%d, la_len=%d, (ULONG) look_ahead=%08lXh.\n", 19061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds len, la_len, (unsigned long) look_ahead); 1907807540baae406c84dcb9c1c8ef07a56d2d2ae84aEric Dumazet return 0; 19081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 19091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds skb = alloc_skb(len + 3, GFP_ATOMIC); 19101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!skb) { 1911ebc06eeb7260ecad3bd69202ba6291138691d27bAlexander Beregalov pr_debug("fddi: Local SMT: skb memory exhausted.\n"); 1912807540baae406c84dcb9c1c8ef07a56d2d2ae84aEric Dumazet return 0; 19131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 19141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds skb_reserve(skb, 3); 19151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds skb_put(skb, len); 191627d7ff46a3498d3debc6ba68fb8014c702b81170Arnaldo Carvalho de Melo skb_copy_to_linear_data(skb, look_ahead, len); 19171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 19181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds // deliver frame to system 19191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds skb->protocol = fddi_type_trans(skb, smc->os.dev); 19201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds netif_rx(skb); 19211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1922807540baae406c84dcb9c1c8ef07a56d2d2ae84aEric Dumazet return 0; 19231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} // mac_drv_rx_init 19241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 19251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 19261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/************************ 19271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 19281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * smt_timer_poll 19291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 19301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * This routine is called periodically by the SMT module to clean up the 19311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * driver. 19321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 19331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Return any queued frames back to the upper protocol layers if the ring 19341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * is down. 19351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Args 19361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * smc - A pointer to the SMT context struct. 19371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Out 19381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Nothing. 19391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 19401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ************************/ 19411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsvoid smt_timer_poll(struct s_smc *smc) 19421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 19431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} // smt_timer_poll 19441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 19451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 19461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/************************ 19471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 19481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * ring_status_indication 19491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 19501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * This function indicates a change of the ring state. 19511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Args 19521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * smc - A pointer to the SMT context struct. 19531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 19541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * status - The current ring status. 19551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Out 19561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Nothing. 19571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 19581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ************************/ 19591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsvoid ring_status_indication(struct s_smc *smc, u_long status) 19601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 1961ebc06eeb7260ecad3bd69202ba6291138691d27bAlexander Beregalov pr_debug("ring_status_indication( "); 19621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (status & RS_RES15) 1963ebc06eeb7260ecad3bd69202ba6291138691d27bAlexander Beregalov pr_debug("RS_RES15 "); 19641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (status & RS_HARDERROR) 1965ebc06eeb7260ecad3bd69202ba6291138691d27bAlexander Beregalov pr_debug("RS_HARDERROR "); 19661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (status & RS_SOFTERROR) 1967ebc06eeb7260ecad3bd69202ba6291138691d27bAlexander Beregalov pr_debug("RS_SOFTERROR "); 19681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (status & RS_BEACON) 1969ebc06eeb7260ecad3bd69202ba6291138691d27bAlexander Beregalov pr_debug("RS_BEACON "); 19701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (status & RS_PATHTEST) 1971ebc06eeb7260ecad3bd69202ba6291138691d27bAlexander Beregalov pr_debug("RS_PATHTEST "); 19721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (status & RS_SELFTEST) 1973ebc06eeb7260ecad3bd69202ba6291138691d27bAlexander Beregalov pr_debug("RS_SELFTEST "); 19741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (status & RS_RES9) 1975ebc06eeb7260ecad3bd69202ba6291138691d27bAlexander Beregalov pr_debug("RS_RES9 "); 19761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (status & RS_DISCONNECT) 1977ebc06eeb7260ecad3bd69202ba6291138691d27bAlexander Beregalov pr_debug("RS_DISCONNECT "); 19781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (status & RS_RES7) 1979ebc06eeb7260ecad3bd69202ba6291138691d27bAlexander Beregalov pr_debug("RS_RES7 "); 19801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (status & RS_DUPADDR) 1981ebc06eeb7260ecad3bd69202ba6291138691d27bAlexander Beregalov pr_debug("RS_DUPADDR "); 19821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (status & RS_NORINGOP) 1983ebc06eeb7260ecad3bd69202ba6291138691d27bAlexander Beregalov pr_debug("RS_NORINGOP "); 19841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (status & RS_VERSION) 1985ebc06eeb7260ecad3bd69202ba6291138691d27bAlexander Beregalov pr_debug("RS_VERSION "); 19861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (status & RS_STUCKBYPASSS) 1987ebc06eeb7260ecad3bd69202ba6291138691d27bAlexander Beregalov pr_debug("RS_STUCKBYPASSS "); 19881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (status & RS_EVENT) 1989ebc06eeb7260ecad3bd69202ba6291138691d27bAlexander Beregalov pr_debug("RS_EVENT "); 19901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (status & RS_RINGOPCHANGE) 1991ebc06eeb7260ecad3bd69202ba6291138691d27bAlexander Beregalov pr_debug("RS_RINGOPCHANGE "); 19921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (status & RS_RES0) 1993ebc06eeb7260ecad3bd69202ba6291138691d27bAlexander Beregalov pr_debug("RS_RES0 "); 1994ebc06eeb7260ecad3bd69202ba6291138691d27bAlexander Beregalov pr_debug("]\n"); 19951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} // ring_status_indication 19961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 19971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 19981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/************************ 19991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 20001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * smt_get_time 20011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 20021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Gets the current time from the system. 20031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Args 20041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * None. 20051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Out 20061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * The current time in TICKS_PER_SECOND. 20071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 20081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * TICKS_PER_SECOND has the unit 'count of timer ticks per second'. It is 20091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * defined in "targetos.h". The definition of TICKS_PER_SECOND must comply 20101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * to the time returned by smt_get_time(). 20111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 20121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ************************/ 20131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsunsigned long smt_get_time(void) 20141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 20151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return jiffies; 20161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} // smt_get_time 20171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 20181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 20191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/************************ 20201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 20211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * smt_stat_counter 20221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 20231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Status counter update (ring_op, fifo full). 20241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Args 20251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * smc - A pointer to the SMT context struct. 20261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 20271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * stat - = 0: A ring operational change occurred. 20281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * = 1: The FORMAC FIFO buffer is full / FIFO overflow. 20291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Out 20301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Nothing. 20311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 20321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ************************/ 20331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsvoid smt_stat_counter(struct s_smc *smc, int stat) 20341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 20351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds// BOOLEAN RingIsUp ; 20361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2037d81e27cf4e2a5050245f9962539292ea2c9e2206Joe Perches pr_debug("smt_stat_counter\n"); 20381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds switch (stat) { 20391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 0: 2040d81e27cf4e2a5050245f9962539292ea2c9e2206Joe Perches pr_debug("Ring operational change.\n"); 20411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 20421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 1: 2043d81e27cf4e2a5050245f9962539292ea2c9e2206Joe Perches pr_debug("Receive fifo overflow.\n"); 20441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds smc->os.MacStat.gen.rx_errors++; 20451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 20461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds default: 2047d81e27cf4e2a5050245f9962539292ea2c9e2206Joe Perches pr_debug("Unknown status (%d).\n", stat); 20481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 20491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 20501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} // smt_stat_counter 20511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 20521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 20531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/************************ 20541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 20551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * cfm_state_change 20561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 20571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Sets CFM state in custom statistics. 20581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Args 20591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * smc - A pointer to the SMT context struct. 20601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 20611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * c_state - Possible values are: 20621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 20631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * EC0_OUT, EC1_IN, EC2_TRACE, EC3_LEAVE, EC4_PATH_TEST, 20641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * EC5_INSERT, EC6_CHECK, EC7_DEINSERT 20651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Out 20661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Nothing. 20671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 20681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ************************/ 20691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsvoid cfm_state_change(struct s_smc *smc, int c_state) 20701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 20711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifdef DRIVERDEBUG 20721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds char *s; 20731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 20741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds switch (c_state) { 20751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case SC0_ISOLATED: 20761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds s = "SC0_ISOLATED"; 20771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 20781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case SC1_WRAP_A: 20791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds s = "SC1_WRAP_A"; 20801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 20811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case SC2_WRAP_B: 20821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds s = "SC2_WRAP_B"; 20831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 20841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case SC4_THRU_A: 20851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds s = "SC4_THRU_A"; 20861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 20871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case SC5_THRU_B: 20881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds s = "SC5_THRU_B"; 20891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 20901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case SC7_WRAP_S: 20911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds s = "SC7_WRAP_S"; 20921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 20931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case SC9_C_WRAP_A: 20941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds s = "SC9_C_WRAP_A"; 20951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 20961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case SC10_C_WRAP_B: 20971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds s = "SC10_C_WRAP_B"; 20981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 20991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case SC11_C_WRAP_S: 21001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds s = "SC11_C_WRAP_S"; 21011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 21021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds default: 2103d81e27cf4e2a5050245f9962539292ea2c9e2206Joe Perches pr_debug("cfm_state_change: unknown %d\n", c_state); 21041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return; 21051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 2106d81e27cf4e2a5050245f9962539292ea2c9e2206Joe Perches pr_debug("cfm_state_change: %s\n", s); 21071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif // DRIVERDEBUG 21081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} // cfm_state_change 21091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 21101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 21111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/************************ 21121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 21131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * ecm_state_change 21141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 21151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Sets ECM state in custom statistics. 21161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Args 21171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * smc - A pointer to the SMT context struct. 21181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 21191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * e_state - Possible values are: 21201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 21211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * SC0_ISOLATED, SC1_WRAP_A (5), SC2_WRAP_B (6), SC4_THRU_A (12), 21221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * SC5_THRU_B (7), SC7_WRAP_S (8) 21231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Out 21241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Nothing. 21251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 21261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ************************/ 21271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsvoid ecm_state_change(struct s_smc *smc, int e_state) 21281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 21291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifdef DRIVERDEBUG 21301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds char *s; 21311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 21321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds switch (e_state) { 21331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case EC0_OUT: 21341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds s = "EC0_OUT"; 21351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 21361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case EC1_IN: 21371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds s = "EC1_IN"; 21381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 21391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case EC2_TRACE: 21401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds s = "EC2_TRACE"; 21411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 21421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case EC3_LEAVE: 21431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds s = "EC3_LEAVE"; 21441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 21451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case EC4_PATH_TEST: 21461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds s = "EC4_PATH_TEST"; 21471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 21481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case EC5_INSERT: 21491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds s = "EC5_INSERT"; 21501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 21511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case EC6_CHECK: 21521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds s = "EC6_CHECK"; 21531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 21541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case EC7_DEINSERT: 21551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds s = "EC7_DEINSERT"; 21561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 21571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds default: 21581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds s = "unknown"; 21591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 21601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 2161d81e27cf4e2a5050245f9962539292ea2c9e2206Joe Perches pr_debug("ecm_state_change: %s\n", s); 21621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif //DRIVERDEBUG 21631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} // ecm_state_change 21641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 21651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 21661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/************************ 21671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 21681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * rmt_state_change 21691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 21701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Sets RMT state in custom statistics. 21711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Args 21721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * smc - A pointer to the SMT context struct. 21731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 21741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * r_state - Possible values are: 21751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 21761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * RM0_ISOLATED, RM1_NON_OP, RM2_RING_OP, RM3_DETECT, 21771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * RM4_NON_OP_DUP, RM5_RING_OP_DUP, RM6_DIRECTED, RM7_TRACE 21781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Out 21791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Nothing. 21801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 21811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ************************/ 21821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsvoid rmt_state_change(struct s_smc *smc, int r_state) 21831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 21841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifdef DRIVERDEBUG 21851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds char *s; 21861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 21871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds switch (r_state) { 21881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case RM0_ISOLATED: 21891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds s = "RM0_ISOLATED"; 21901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 21911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case RM1_NON_OP: 21921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds s = "RM1_NON_OP - not operational"; 21931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 21941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case RM2_RING_OP: 21951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds s = "RM2_RING_OP - ring operational"; 21961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 21971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case RM3_DETECT: 21981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds s = "RM3_DETECT - detect dupl addresses"; 21991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 22001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case RM4_NON_OP_DUP: 22011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds s = "RM4_NON_OP_DUP - dupl. addr detected"; 22021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 22031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case RM5_RING_OP_DUP: 22041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds s = "RM5_RING_OP_DUP - ring oper. with dupl. addr"; 22051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 22061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case RM6_DIRECTED: 22071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds s = "RM6_DIRECTED - sending directed beacons"; 22081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 22091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case RM7_TRACE: 22101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds s = "RM7_TRACE - trace initiated"; 22111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 22121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds default: 22131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds s = "unknown"; 22141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 22151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 2216d81e27cf4e2a5050245f9962539292ea2c9e2206Joe Perches pr_debug("[rmt_state_change: %s]\n", s); 22171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif // DRIVERDEBUG 22181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} // rmt_state_change 22191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 22201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 22211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/************************ 22221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 22231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * drv_reset_indication 22241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 22251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * This function is called by the SMT when it has detected a severe 22261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * hardware problem. The driver should perform a reset on the adapter 22271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * as soon as possible, but not from within this function. 22281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Args 22291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * smc - A pointer to the SMT context struct. 22301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Out 22311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Nothing. 22321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 22331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ************************/ 22341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsvoid drv_reset_indication(struct s_smc *smc) 22351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 2236d81e27cf4e2a5050245f9962539292ea2c9e2206Joe Perches pr_debug("entering drv_reset_indication\n"); 22371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 22381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds smc->os.ResetRequested = TRUE; // Set flag. 22391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 22401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} // drv_reset_indication 22411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 22421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic struct pci_driver skfddi_pci_driver = { 22431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .name = "skfddi", 22441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .id_table = skfddi_pci_tbl, 22451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .probe = skfp_init_one, 22461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .remove = __devexit_p(skfp_remove_one), 22471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 22481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 22491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int __init skfd_init(void) 22501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 2251299176206b266f204be859adf9e66efd06628ab2Jeff Garzik return pci_register_driver(&skfddi_pci_driver); 22521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 22531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 22541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void __exit skfd_exit(void) 22551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 22561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds pci_unregister_driver(&skfddi_pci_driver); 22571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 22581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 22591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsmodule_init(skfd_init); 22601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsmodule_exit(skfd_exit); 2261