1/*--------------------------------------------------------------------------- 2 FT1000 driver for Flarion Flash OFDM NIC Device 3 4 Copyright (C) 2006 Patrik Ostrihon, All rights reserved. 5 Copyright (C) 2006 ProWeb Consulting, a.s, All rights reserved. 6 7 This program is free software; you can redistribute it and/or modify it 8 under the terms of the GNU General Public License as published by the Free 9 Software Foundation; either version 2 of the License, or (at your option) any 10 later version. This program is distributed in the hope that it will be useful, 11 but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 12 or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 13 more details. You should have received a copy of the GNU General Public 14 License along with this program; if not, write to the 15 Free Software Foundation, Inc., 59 Temple Place - 16 Suite 330, Boston, MA 02111-1307, USA. 17-----------------------------------------------------------------------------*/ 18 19#include <linux/module.h> 20#include <linux/kernel.h> 21#include <linux/proc_fs.h> 22#include <linux/string.h> 23#include <linux/vmalloc.h> 24#include <linux/netdevice.h> 25#include <asm/io.h> 26#include <asm/uaccess.h> 27#include "ft1000.h" 28 29#define FT1000_PROC "ft1000" 30#define MAX_FILE_LEN 255 31 32#define PUTM_TO_PAGE(len, page, args...) \ 33 len += snprintf(page+len, PAGE_SIZE - len, args) 34 35#define PUTX_TO_PAGE(len, page, message, size, var) \ 36 len += snprintf(page+len, PAGE_SIZE - len, message); \ 37 for(i = 0; i < (size - 1); i++) \ 38 { \ 39 len += snprintf(page+len, PAGE_SIZE - len, "%02x:", var[i]); \ 40 } \ 41 len += snprintf(page+len, PAGE_SIZE - len, "%02x\n", var[i]) 42 43#define PUTD_TO_PAGE(len, page, message, size, var) \ 44 len += snprintf(page+len, PAGE_SIZE - len, message); \ 45 for(i = 0; i < (size - 1); i++) \ 46 { \ 47 len += snprintf(page+len, PAGE_SIZE - len, "%d.", var[i]); \ 48 } \ 49 len += snprintf(page+len, PAGE_SIZE - len, "%d\n", var[i]) 50 51static int ft1000ReadProc(char *page, char **start, off_t off, 52 int count, int *eof, void *data) 53{ 54 struct net_device *dev; 55 int len; 56 int i; 57 struct ft1000_info *info; 58 char *status[] = 59 { "Idle (Disconnect)", "Searching", "Active (Connected)", 60 "Waiting for L2", "Sleep", "No Coverage", "", "" 61 }; 62 char *signal[] = { "", "*", "**", "***", "****" }; 63 int strength; 64 int quality; 65 struct timeval tv; 66 time_t delta; 67 68 dev = (struct net_device *)data; 69 info = netdev_priv(dev); 70 71 if (off > 0) { 72 *eof = 1; 73 return 0; 74 } 75 76 /* Wrap-around */ 77 78 if (info->AsicID == ELECTRABUZZ_ID) { 79 if (info->ProgConStat != 0xFF) { 80 info->LedStat = 81 ft1000_read_dpram(dev, FT1000_DSP_LED); 82 info->ConStat = 83 ft1000_read_dpram(dev, 84 FT1000_DSP_CON_STATE); 85 } else { 86 info->ConStat = 0xf; 87 } 88 } else { 89 if (info->ProgConStat != 0xFF) { 90 info->LedStat = 91 ntohs(ft1000_read_dpram_mag_16 92 (dev, FT1000_MAG_DSP_LED, 93 FT1000_MAG_DSP_LED_INDX)); 94 info->ConStat = 95 ntohs(ft1000_read_dpram_mag_16 96 (dev, FT1000_MAG_DSP_CON_STATE, 97 FT1000_MAG_DSP_CON_STATE_INDX)); 98 } else { 99 info->ConStat = 0xf; 100 } 101 } 102 103 i = (info->LedStat) & 0xf; 104 switch (i) { 105 case 0x1: 106 strength = 1; 107 break; 108 case 0x3: 109 strength = 2; 110 break; 111 case 0x7: 112 strength = 3; 113 break; 114 case 0xf: 115 strength = 4; 116 break; 117 default: 118 strength = 0; 119 } 120 121 i = (info->LedStat >> 8) & 0xf; 122 switch (i) { 123 case 0x1: 124 quality = 1; 125 break; 126 case 0x3: 127 quality = 2; 128 break; 129 case 0x7: 130 quality = 3; 131 break; 132 case 0xf: 133 quality = 4; 134 break; 135 default: 136 quality = 0; 137 } 138 139 do_gettimeofday(&tv); 140 delta = (tv.tv_sec - info->ConTm); 141 len = 0; 142 PUTM_TO_PAGE(len, page, "Connection Time: %02ld:%02ld:%02ld\n", 143 ((delta / 3600) % 24), ((delta / 60) % 60), (delta % 60)); 144 PUTM_TO_PAGE(len, page, "Connection Time[s]: %ld\n", delta); 145 PUTM_TO_PAGE(len, page, "Asic ID: %s\n", 146 (info->AsicID) == 147 ELECTRABUZZ_ID ? "ELECTRABUZZ ASIC" : "MAGNEMITE ASIC"); 148 PUTX_TO_PAGE(len, page, "SKU: ", SKUSZ, info->Sku); 149 PUTX_TO_PAGE(len, page, "EUI64: ", EUISZ, info->eui64); 150 PUTD_TO_PAGE(len, page, "DSP version number: ", DSPVERSZ, info->DspVer); 151 PUTX_TO_PAGE(len, page, "Hardware Serial Number: ", HWSERNUMSZ, 152 info->HwSerNum); 153 PUTX_TO_PAGE(len, page, "Caliberation Version: ", CALVERSZ, 154 info->RfCalVer); 155 PUTD_TO_PAGE(len, page, "Caliberation Date: ", CALDATESZ, 156 info->RfCalDate); 157 PUTM_TO_PAGE(len, page, "Media State: %s\n", 158 (info->mediastate) ? "link" : "no link"); 159 PUTM_TO_PAGE(len, page, "Connection Status: %s\n", 160 status[((info->ConStat) & 0x7)]); 161 PUTM_TO_PAGE(len, page, "RX packets: %ld\n", info->stats.rx_packets); 162 PUTM_TO_PAGE(len, page, "TX packets: %ld\n", info->stats.tx_packets); 163 PUTM_TO_PAGE(len, page, "RX bytes: %ld\n", info->stats.rx_bytes); 164 PUTM_TO_PAGE(len, page, "TX bytes: %ld\n", info->stats.tx_bytes); 165 PUTM_TO_PAGE(len, page, "Signal Strength: %s\n", signal[strength]); 166 PUTM_TO_PAGE(len, page, "Signal Quality: %s\n", signal[quality]); 167 return len; 168} 169 170static int ft1000NotifyProc(struct notifier_block *this, unsigned long event, 171 void *ptr) 172{ 173 struct net_device *dev = ptr; 174 struct ft1000_info *info; 175 176 info = netdev_priv(dev); 177 178 switch (event) { 179 case NETDEV_CHANGENAME: 180 remove_proc_entry(info->netdevname, info->proc_ft1000); 181 create_proc_read_entry(dev->name, 0644, info->proc_ft1000, 182 ft1000ReadProc, dev); 183 snprintf(info->netdevname, IFNAMSIZ, "%s", dev->name); 184 break; 185 } 186 return NOTIFY_DONE; 187} 188 189static struct notifier_block ft1000_netdev_notifier = { 190 .notifier_call = ft1000NotifyProc 191}; 192 193void ft1000InitProc(struct net_device *dev) 194{ 195 struct ft1000_info *info; 196 197 info = netdev_priv(dev); 198 199 info->proc_ft1000 = proc_mkdir(FT1000_PROC, init_net.proc_net); 200 create_proc_read_entry(dev->name, 0644, info->proc_ft1000, 201 ft1000ReadProc, dev); 202 snprintf(info->netdevname, IFNAMSIZ, "%s", dev->name); 203 register_netdevice_notifier(&ft1000_netdev_notifier); 204} 205 206void ft1000CleanupProc(struct net_device *dev) 207{ 208 struct ft1000_info *info; 209 210 info = netdev_priv(dev); 211 212 remove_proc_entry(dev->name, info->proc_ft1000); 213 remove_proc_entry(FT1000_PROC, init_net.proc_net); 214 unregister_netdevice_notifier(&ft1000_netdev_notifier); 215} 216