Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * |
Frank Pavlic | 3df3cc6 | 2005-12-13 08:23:26 +0100 | [diff] [blame] | 3 | * linux/drivers/s390/net/qeth_fs.c ($Revision: 1.16 $) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4 | * |
| 5 | * Linux on zSeries OSA Express and HiperSockets support |
| 6 | * This file contains code related to procfs. |
| 7 | * |
| 8 | * Copyright 2000,2003 IBM Corporation |
| 9 | * |
| 10 | * Author(s): Thomas Spatzier <tspat@de.ibm.com> |
| 11 | * |
| 12 | */ |
| 13 | #include <linux/module.h> |
| 14 | #include <linux/init.h> |
| 15 | #include <linux/proc_fs.h> |
| 16 | #include <linux/seq_file.h> |
| 17 | #include <linux/list.h> |
| 18 | #include <linux/rwsem.h> |
| 19 | |
| 20 | #include "qeth.h" |
| 21 | #include "qeth_mpc.h" |
| 22 | #include "qeth_fs.h" |
| 23 | |
Frank Pavlic | 3df3cc6 | 2005-12-13 08:23:26 +0100 | [diff] [blame] | 24 | const char *VERSION_QETH_PROC_C = "$Revision: 1.16 $"; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 25 | |
| 26 | /***** /proc/qeth *****/ |
| 27 | #define QETH_PROCFILE_NAME "qeth" |
| 28 | static struct proc_dir_entry *qeth_procfile; |
| 29 | |
Cornelia Huck | 66aea23 | 2005-08-08 09:22:36 -0700 | [diff] [blame] | 30 | static int |
| 31 | qeth_procfile_seq_match(struct device *dev, void *data) |
| 32 | { |
Frank Pavlic | 3df3cc6 | 2005-12-13 08:23:26 +0100 | [diff] [blame] | 33 | return(dev ? 1 : 0); |
Cornelia Huck | 66aea23 | 2005-08-08 09:22:36 -0700 | [diff] [blame] | 34 | } |
| 35 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 36 | static void * |
| 37 | qeth_procfile_seq_start(struct seq_file *s, loff_t *offset) |
| 38 | { |
Frank Pavlic | 3df3cc6 | 2005-12-13 08:23:26 +0100 | [diff] [blame] | 39 | struct device *dev = NULL; |
| 40 | loff_t nr = 0; |
| 41 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 42 | down_read(&qeth_ccwgroup_driver.driver.bus->subsys.rwsem); |
Frank Pavlic | 3df3cc6 | 2005-12-13 08:23:26 +0100 | [diff] [blame] | 43 | if (*offset == 0) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 44 | return SEQ_START_TOKEN; |
Frank Pavlic | 3df3cc6 | 2005-12-13 08:23:26 +0100 | [diff] [blame] | 45 | while (1) { |
Cornelia Huck | 66aea23 | 2005-08-08 09:22:36 -0700 | [diff] [blame] | 46 | dev = driver_find_device(&qeth_ccwgroup_driver.driver, dev, |
| 47 | NULL, qeth_procfile_seq_match); |
Frank Pavlic | 3df3cc6 | 2005-12-13 08:23:26 +0100 | [diff] [blame] | 48 | if (++nr == *offset) |
| 49 | break; |
| 50 | put_device(dev); |
| 51 | } |
| 52 | return dev; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 53 | } |
| 54 | |
| 55 | static void |
| 56 | qeth_procfile_seq_stop(struct seq_file *s, void* it) |
| 57 | { |
| 58 | up_read(&qeth_ccwgroup_driver.driver.bus->subsys.rwsem); |
| 59 | } |
| 60 | |
| 61 | static void * |
| 62 | qeth_procfile_seq_next(struct seq_file *s, void *it, loff_t *offset) |
| 63 | { |
Cornelia Huck | 66aea23 | 2005-08-08 09:22:36 -0700 | [diff] [blame] | 64 | struct device *prev, *next; |
Frank Pavlic | 3df3cc6 | 2005-12-13 08:23:26 +0100 | [diff] [blame] | 65 | |
| 66 | if (it == SEQ_START_TOKEN) |
| 67 | prev = NULL; |
| 68 | else |
| 69 | prev = (struct device *) it; |
Cornelia Huck | 66aea23 | 2005-08-08 09:22:36 -0700 | [diff] [blame] | 70 | next = driver_find_device(&qeth_ccwgroup_driver.driver, |
| 71 | prev, NULL, qeth_procfile_seq_match); |
Frank Pavlic | 3df3cc6 | 2005-12-13 08:23:26 +0100 | [diff] [blame] | 72 | (*offset)++; |
Cornelia Huck | 66aea23 | 2005-08-08 09:22:36 -0700 | [diff] [blame] | 73 | return (void *) next; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 74 | } |
| 75 | |
| 76 | static inline const char * |
| 77 | qeth_get_router_str(struct qeth_card *card, int ipv) |
| 78 | { |
| 79 | int routing_type = 0; |
| 80 | |
Frank Pavlic | 3df3cc6 | 2005-12-13 08:23:26 +0100 | [diff] [blame] | 81 | if (ipv == 4) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 82 | routing_type = card->options.route4.type; |
| 83 | } else { |
| 84 | #ifdef CONFIG_QETH_IPV6 |
| 85 | routing_type = card->options.route6.type; |
| 86 | #else |
| 87 | return "n/a"; |
| 88 | #endif /* CONFIG_QETH_IPV6 */ |
| 89 | } |
| 90 | |
| 91 | if (routing_type == PRIMARY_ROUTER) |
| 92 | return "pri"; |
| 93 | else if (routing_type == SECONDARY_ROUTER) |
| 94 | return "sec"; |
| 95 | else if (routing_type == MULTICAST_ROUTER) { |
| 96 | if (card->info.broadcast_capable == QETH_BROADCAST_WITHOUT_ECHO) |
| 97 | return "mc+"; |
| 98 | return "mc"; |
| 99 | } else if (routing_type == PRIMARY_CONNECTOR) { |
| 100 | if (card->info.broadcast_capable == QETH_BROADCAST_WITHOUT_ECHO) |
| 101 | return "p+c"; |
| 102 | return "p.c"; |
| 103 | } else if (routing_type == SECONDARY_CONNECTOR) { |
| 104 | if (card->info.broadcast_capable == QETH_BROADCAST_WITHOUT_ECHO) |
| 105 | return "s+c"; |
| 106 | return "s.c"; |
| 107 | } else if (routing_type == NO_ROUTER) |
| 108 | return "no"; |
| 109 | else |
| 110 | return "unk"; |
| 111 | } |
| 112 | |
| 113 | static int |
| 114 | qeth_procfile_seq_show(struct seq_file *s, void *it) |
| 115 | { |
| 116 | struct device *device; |
| 117 | struct qeth_card *card; |
| 118 | char tmp[12]; /* for qeth_get_prioq_str */ |
| 119 | |
| 120 | if (it == SEQ_START_TOKEN){ |
| 121 | seq_printf(s, "devices CHPID interface " |
| 122 | "cardtype port chksum prio-q'ing rtr4 " |
| 123 | "rtr6 fsz cnt\n"); |
| 124 | seq_printf(s, "-------------------------- ----- ---------- " |
| 125 | "-------------- ---- ------ ---------- ---- " |
| 126 | "---- ----- -----\n"); |
| 127 | } else { |
Cornelia Huck | 66aea23 | 2005-08-08 09:22:36 -0700 | [diff] [blame] | 128 | device = (struct device *) it; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 129 | card = device->driver_data; |
| 130 | seq_printf(s, "%s/%s/%s x%02X %-10s %-14s %-4i ", |
| 131 | CARD_RDEV_ID(card), |
| 132 | CARD_WDEV_ID(card), |
| 133 | CARD_DDEV_ID(card), |
| 134 | card->info.chpid, |
| 135 | QETH_CARD_IFNAME(card), |
| 136 | qeth_get_cardname_short(card), |
| 137 | card->info.portno); |
| 138 | if (card->lan_online) |
| 139 | seq_printf(s, "%-6s %-10s %-4s %-4s %-5s %-5i\n", |
| 140 | qeth_get_checksum_str(card), |
| 141 | qeth_get_prioq_str(card, tmp), |
| 142 | qeth_get_router_str(card, 4), |
| 143 | qeth_get_router_str(card, 6), |
| 144 | qeth_get_bufsize_str(card), |
| 145 | card->qdio.in_buf_pool.buf_count); |
| 146 | else |
| 147 | seq_printf(s, " +++ LAN OFFLINE +++\n"); |
Frank Pavlic | 3df3cc6 | 2005-12-13 08:23:26 +0100 | [diff] [blame] | 148 | put_device(device); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 149 | } |
| 150 | return 0; |
| 151 | } |
| 152 | |
| 153 | static struct seq_operations qeth_procfile_seq_ops = { |
| 154 | .start = qeth_procfile_seq_start, |
| 155 | .stop = qeth_procfile_seq_stop, |
| 156 | .next = qeth_procfile_seq_next, |
| 157 | .show = qeth_procfile_seq_show, |
| 158 | }; |
| 159 | |
| 160 | static int |
| 161 | qeth_procfile_open(struct inode *inode, struct file *file) |
| 162 | { |
| 163 | return seq_open(file, &qeth_procfile_seq_ops); |
| 164 | } |
| 165 | |
| 166 | static struct file_operations qeth_procfile_fops = { |
| 167 | .owner = THIS_MODULE, |
| 168 | .open = qeth_procfile_open, |
| 169 | .read = seq_read, |
| 170 | .llseek = seq_lseek, |
| 171 | .release = seq_release, |
| 172 | }; |
| 173 | |
| 174 | /***** /proc/qeth_perf *****/ |
| 175 | #define QETH_PERF_PROCFILE_NAME "qeth_perf" |
| 176 | static struct proc_dir_entry *qeth_perf_procfile; |
| 177 | |
| 178 | #ifdef CONFIG_QETH_PERF_STATS |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 179 | static int |
| 180 | qeth_perf_procfile_seq_show(struct seq_file *s, void *it) |
| 181 | { |
| 182 | struct device *device; |
| 183 | struct qeth_card *card; |
| 184 | |
Frank Pavlic | 3df3cc6 | 2005-12-13 08:23:26 +0100 | [diff] [blame] | 185 | |
| 186 | if (it == SEQ_START_TOKEN) |
| 187 | return 0; |
| 188 | |
Cornelia Huck | 66aea23 | 2005-08-08 09:22:36 -0700 | [diff] [blame] | 189 | device = (struct device *) it; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 190 | card = device->driver_data; |
| 191 | seq_printf(s, "For card with devnos %s/%s/%s (%s):\n", |
| 192 | CARD_RDEV_ID(card), |
| 193 | CARD_WDEV_ID(card), |
| 194 | CARD_DDEV_ID(card), |
| 195 | QETH_CARD_IFNAME(card) |
| 196 | ); |
| 197 | seq_printf(s, " Skb's/buffers received : %li/%i\n" |
| 198 | " Skb's/buffers sent : %li/%i\n\n", |
| 199 | card->stats.rx_packets, card->perf_stats.bufs_rec, |
| 200 | card->stats.tx_packets, card->perf_stats.bufs_sent |
| 201 | ); |
| 202 | seq_printf(s, " Skb's/buffers sent without packing : %li/%i\n" |
| 203 | " Skb's/buffers sent with packing : %i/%i\n\n", |
| 204 | card->stats.tx_packets - card->perf_stats.skbs_sent_pack, |
| 205 | card->perf_stats.bufs_sent - card->perf_stats.bufs_sent_pack, |
| 206 | card->perf_stats.skbs_sent_pack, |
| 207 | card->perf_stats.bufs_sent_pack |
| 208 | ); |
| 209 | seq_printf(s, " Skbs sent in SG mode : %i\n" |
| 210 | " Skb fragments sent in SG mode : %i\n\n", |
| 211 | card->perf_stats.sg_skbs_sent, |
| 212 | card->perf_stats.sg_frags_sent); |
| 213 | seq_printf(s, " large_send tx (in Kbytes) : %i\n" |
| 214 | " large_send count : %i\n\n", |
| 215 | card->perf_stats.large_send_bytes >> 10, |
| 216 | card->perf_stats.large_send_cnt); |
| 217 | seq_printf(s, " Packing state changes no pkg.->packing : %i/%i\n" |
| 218 | " Watermarks L/H : %i/%i\n" |
| 219 | " Current buffer usage (outbound q's) : " |
| 220 | "%i/%i/%i/%i\n\n", |
| 221 | card->perf_stats.sc_dp_p, card->perf_stats.sc_p_dp, |
| 222 | QETH_LOW_WATERMARK_PACK, QETH_HIGH_WATERMARK_PACK, |
| 223 | atomic_read(&card->qdio.out_qs[0]->used_buffers), |
| 224 | (card->qdio.no_out_queues > 1)? |
| 225 | atomic_read(&card->qdio.out_qs[1]->used_buffers) |
| 226 | : 0, |
| 227 | (card->qdio.no_out_queues > 2)? |
| 228 | atomic_read(&card->qdio.out_qs[2]->used_buffers) |
| 229 | : 0, |
| 230 | (card->qdio.no_out_queues > 3)? |
| 231 | atomic_read(&card->qdio.out_qs[3]->used_buffers) |
| 232 | : 0 |
| 233 | ); |
| 234 | seq_printf(s, " Inbound handler time (in us) : %i\n" |
| 235 | " Inbound handler count : %i\n" |
| 236 | " Inbound do_QDIO time (in us) : %i\n" |
| 237 | " Inbound do_QDIO count : %i\n\n" |
| 238 | " Outbound handler time (in us) : %i\n" |
| 239 | " Outbound handler count : %i\n\n" |
| 240 | " Outbound time (in us, incl QDIO) : %i\n" |
| 241 | " Outbound count : %i\n" |
| 242 | " Outbound do_QDIO time (in us) : %i\n" |
| 243 | " Outbound do_QDIO count : %i\n\n", |
| 244 | card->perf_stats.inbound_time, |
| 245 | card->perf_stats.inbound_cnt, |
| 246 | card->perf_stats.inbound_do_qdio_time, |
| 247 | card->perf_stats.inbound_do_qdio_cnt, |
| 248 | card->perf_stats.outbound_handler_time, |
| 249 | card->perf_stats.outbound_handler_cnt, |
| 250 | card->perf_stats.outbound_time, |
| 251 | card->perf_stats.outbound_cnt, |
| 252 | card->perf_stats.outbound_do_qdio_time, |
| 253 | card->perf_stats.outbound_do_qdio_cnt |
| 254 | ); |
Frank Pavlic | 3df3cc6 | 2005-12-13 08:23:26 +0100 | [diff] [blame] | 255 | put_device(device); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 256 | return 0; |
| 257 | } |
| 258 | |
| 259 | static struct seq_operations qeth_perf_procfile_seq_ops = { |
Frank Pavlic | 3df3cc6 | 2005-12-13 08:23:26 +0100 | [diff] [blame] | 260 | .start = qeth_procfile_seq_start, |
| 261 | .stop = qeth_procfile_seq_stop, |
| 262 | .next = qeth_procfile_seq_next, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 263 | .show = qeth_perf_procfile_seq_show, |
| 264 | }; |
| 265 | |
| 266 | static int |
| 267 | qeth_perf_procfile_open(struct inode *inode, struct file *file) |
| 268 | { |
| 269 | return seq_open(file, &qeth_perf_procfile_seq_ops); |
| 270 | } |
| 271 | |
| 272 | static struct file_operations qeth_perf_procfile_fops = { |
| 273 | .owner = THIS_MODULE, |
| 274 | .open = qeth_perf_procfile_open, |
| 275 | .read = seq_read, |
| 276 | .llseek = seq_lseek, |
| 277 | .release = seq_release, |
| 278 | }; |
| 279 | |
| 280 | #define qeth_perf_procfile_created qeth_perf_procfile |
| 281 | #else |
| 282 | #define qeth_perf_procfile_created 1 |
| 283 | #endif /* CONFIG_QETH_PERF_STATS */ |
| 284 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 285 | int __init |
| 286 | qeth_create_procfs_entries(void) |
| 287 | { |
| 288 | qeth_procfile = create_proc_entry(QETH_PROCFILE_NAME, |
| 289 | S_IFREG | 0444, NULL); |
| 290 | if (qeth_procfile) |
| 291 | qeth_procfile->proc_fops = &qeth_procfile_fops; |
| 292 | |
| 293 | #ifdef CONFIG_QETH_PERF_STATS |
| 294 | qeth_perf_procfile = create_proc_entry(QETH_PERF_PROCFILE_NAME, |
| 295 | S_IFREG | 0444, NULL); |
| 296 | if (qeth_perf_procfile) |
| 297 | qeth_perf_procfile->proc_fops = &qeth_perf_procfile_fops; |
| 298 | #endif /* CONFIG_QETH_PERF_STATS */ |
| 299 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 300 | if (qeth_procfile && |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 301 | qeth_perf_procfile_created) |
| 302 | return 0; |
| 303 | else |
| 304 | return -ENOMEM; |
| 305 | } |
| 306 | |
| 307 | void __exit |
| 308 | qeth_remove_procfs_entries(void) |
| 309 | { |
| 310 | if (qeth_procfile) |
| 311 | remove_proc_entry(QETH_PROCFILE_NAME, NULL); |
| 312 | if (qeth_perf_procfile) |
| 313 | remove_proc_entry(QETH_PERF_PROCFILE_NAME, NULL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 314 | } |
| 315 | |