459 lines
12 KiB
C
459 lines
12 KiB
C
/* /proc routines for Host AP driver */
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#include <linux/types.h>
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#include <linux/proc_fs.h>
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#include <linux/export.h>
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#include <net/lib80211.h>
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#include "hostap_wlan.h"
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#include "hostap.h"
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#define PROC_LIMIT (PAGE_SIZE - 80)
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#ifndef PRISM2_NO_PROCFS_DEBUG
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static int prism2_debug_proc_read(char *page, char **start, off_t off,
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int count, int *eof, void *data)
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{
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char *p = page;
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local_info_t *local = (local_info_t *) data;
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int i;
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if (off != 0) {
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*eof = 1;
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return 0;
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}
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p += sprintf(p, "next_txfid=%d next_alloc=%d\n",
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local->next_txfid, local->next_alloc);
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for (i = 0; i < PRISM2_TXFID_COUNT; i++)
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p += sprintf(p, "FID: tx=%04X intransmit=%04X\n",
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local->txfid[i], local->intransmitfid[i]);
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p += sprintf(p, "FW TX rate control: %d\n", local->fw_tx_rate_control);
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p += sprintf(p, "beacon_int=%d\n", local->beacon_int);
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p += sprintf(p, "dtim_period=%d\n", local->dtim_period);
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p += sprintf(p, "wds_max_connections=%d\n",
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local->wds_max_connections);
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p += sprintf(p, "dev_enabled=%d\n", local->dev_enabled);
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p += sprintf(p, "sw_tick_stuck=%d\n", local->sw_tick_stuck);
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for (i = 0; i < WEP_KEYS; i++) {
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if (local->crypt_info.crypt[i] &&
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local->crypt_info.crypt[i]->ops) {
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p += sprintf(p, "crypt[%d]=%s\n", i,
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local->crypt_info.crypt[i]->ops->name);
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}
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}
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p += sprintf(p, "pri_only=%d\n", local->pri_only);
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p += sprintf(p, "pci=%d\n", local->func->hw_type == HOSTAP_HW_PCI);
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p += sprintf(p, "sram_type=%d\n", local->sram_type);
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p += sprintf(p, "no_pri=%d\n", local->no_pri);
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return (p - page);
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}
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#endif /* PRISM2_NO_PROCFS_DEBUG */
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static int prism2_stats_proc_read(char *page, char **start, off_t off,
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int count, int *eof, void *data)
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{
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char *p = page;
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local_info_t *local = (local_info_t *) data;
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struct comm_tallies_sums *sums = (struct comm_tallies_sums *)
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&local->comm_tallies;
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if (off != 0) {
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*eof = 1;
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return 0;
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}
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p += sprintf(p, "TxUnicastFrames=%u\n", sums->tx_unicast_frames);
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p += sprintf(p, "TxMulticastframes=%u\n", sums->tx_multicast_frames);
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p += sprintf(p, "TxFragments=%u\n", sums->tx_fragments);
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p += sprintf(p, "TxUnicastOctets=%u\n", sums->tx_unicast_octets);
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p += sprintf(p, "TxMulticastOctets=%u\n", sums->tx_multicast_octets);
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p += sprintf(p, "TxDeferredTransmissions=%u\n",
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sums->tx_deferred_transmissions);
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p += sprintf(p, "TxSingleRetryFrames=%u\n",
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sums->tx_single_retry_frames);
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p += sprintf(p, "TxMultipleRetryFrames=%u\n",
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sums->tx_multiple_retry_frames);
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p += sprintf(p, "TxRetryLimitExceeded=%u\n",
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sums->tx_retry_limit_exceeded);
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p += sprintf(p, "TxDiscards=%u\n", sums->tx_discards);
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p += sprintf(p, "RxUnicastFrames=%u\n", sums->rx_unicast_frames);
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p += sprintf(p, "RxMulticastFrames=%u\n", sums->rx_multicast_frames);
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p += sprintf(p, "RxFragments=%u\n", sums->rx_fragments);
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p += sprintf(p, "RxUnicastOctets=%u\n", sums->rx_unicast_octets);
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p += sprintf(p, "RxMulticastOctets=%u\n", sums->rx_multicast_octets);
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p += sprintf(p, "RxFCSErrors=%u\n", sums->rx_fcs_errors);
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p += sprintf(p, "RxDiscardsNoBuffer=%u\n",
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sums->rx_discards_no_buffer);
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p += sprintf(p, "TxDiscardsWrongSA=%u\n", sums->tx_discards_wrong_sa);
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p += sprintf(p, "RxDiscardsWEPUndecryptable=%u\n",
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sums->rx_discards_wep_undecryptable);
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p += sprintf(p, "RxMessageInMsgFragments=%u\n",
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sums->rx_message_in_msg_fragments);
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p += sprintf(p, "RxMessageInBadMsgFragments=%u\n",
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sums->rx_message_in_bad_msg_fragments);
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/* FIX: this may grow too long for one page(?) */
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return (p - page);
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}
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static int prism2_wds_proc_read(char *page, char **start, off_t off,
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int count, int *eof, void *data)
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{
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char *p = page;
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local_info_t *local = (local_info_t *) data;
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struct list_head *ptr;
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struct hostap_interface *iface;
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if (off > PROC_LIMIT) {
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*eof = 1;
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return 0;
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}
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read_lock_bh(&local->iface_lock);
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list_for_each(ptr, &local->hostap_interfaces) {
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iface = list_entry(ptr, struct hostap_interface, list);
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if (iface->type != HOSTAP_INTERFACE_WDS)
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continue;
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p += sprintf(p, "%s\t%pM\n",
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iface->dev->name,
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iface->u.wds.remote_addr);
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if ((p - page) > PROC_LIMIT) {
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printk(KERN_DEBUG "%s: wds proc did not fit\n",
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local->dev->name);
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break;
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}
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}
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read_unlock_bh(&local->iface_lock);
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if ((p - page) <= off) {
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*eof = 1;
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return 0;
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}
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*start = page + off;
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return (p - page - off);
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}
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static int prism2_bss_list_proc_read(char *page, char **start, off_t off,
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int count, int *eof, void *data)
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{
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char *p = page;
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local_info_t *local = (local_info_t *) data;
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struct list_head *ptr;
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struct hostap_bss_info *bss;
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int i;
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if (off > PROC_LIMIT) {
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*eof = 1;
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return 0;
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}
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p += sprintf(p, "#BSSID\tlast_update\tcount\tcapab_info\tSSID(txt)\t"
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"SSID(hex)\tWPA IE\n");
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spin_lock_bh(&local->lock);
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list_for_each(ptr, &local->bss_list) {
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bss = list_entry(ptr, struct hostap_bss_info, list);
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p += sprintf(p, "%pM\t%lu\t%u\t0x%x\t",
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bss->bssid, bss->last_update,
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bss->count, bss->capab_info);
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for (i = 0; i < bss->ssid_len; i++) {
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p += sprintf(p, "%c",
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bss->ssid[i] >= 32 && bss->ssid[i] < 127 ?
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bss->ssid[i] : '_');
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}
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p += sprintf(p, "\t");
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for (i = 0; i < bss->ssid_len; i++) {
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p += sprintf(p, "%02x", bss->ssid[i]);
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}
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p += sprintf(p, "\t");
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for (i = 0; i < bss->wpa_ie_len; i++) {
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p += sprintf(p, "%02x", bss->wpa_ie[i]);
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}
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p += sprintf(p, "\n");
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if ((p - page) > PROC_LIMIT) {
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printk(KERN_DEBUG "%s: BSS proc did not fit\n",
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local->dev->name);
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break;
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}
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}
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spin_unlock_bh(&local->lock);
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if ((p - page) <= off) {
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*eof = 1;
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return 0;
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}
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*start = page + off;
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return (p - page - off);
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}
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static int prism2_crypt_proc_read(char *page, char **start, off_t off,
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int count, int *eof, void *data)
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{
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char *p = page;
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local_info_t *local = (local_info_t *) data;
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int i;
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if (off > PROC_LIMIT) {
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*eof = 1;
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return 0;
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}
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p += sprintf(p, "tx_keyidx=%d\n", local->crypt_info.tx_keyidx);
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for (i = 0; i < WEP_KEYS; i++) {
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if (local->crypt_info.crypt[i] &&
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local->crypt_info.crypt[i]->ops &&
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local->crypt_info.crypt[i]->ops->print_stats) {
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p = local->crypt_info.crypt[i]->ops->print_stats(
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p, local->crypt_info.crypt[i]->priv);
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}
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}
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if ((p - page) <= off) {
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*eof = 1;
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return 0;
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}
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*start = page + off;
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return (p - page - off);
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}
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static int prism2_pda_proc_read(char *page, char **start, off_t off,
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int count, int *eof, void *data)
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{
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local_info_t *local = (local_info_t *) data;
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if (local->pda == NULL || off >= PRISM2_PDA_SIZE) {
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*eof = 1;
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return 0;
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}
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if (off + count > PRISM2_PDA_SIZE)
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count = PRISM2_PDA_SIZE - off;
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memcpy(page, local->pda + off, count);
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return count;
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}
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static int prism2_aux_dump_proc_read(char *page, char **start, off_t off,
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int count, int *eof, void *data)
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{
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local_info_t *local = (local_info_t *) data;
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if (local->func->read_aux == NULL) {
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*eof = 1;
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return 0;
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}
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if (local->func->read_aux(local->dev, off, count, page)) {
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*eof = 1;
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return 0;
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}
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*start = page;
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return count;
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}
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#ifdef PRISM2_IO_DEBUG
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static int prism2_io_debug_proc_read(char *page, char **start, off_t off,
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int count, int *eof, void *data)
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{
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local_info_t *local = (local_info_t *) data;
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int head = local->io_debug_head;
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int start_bytes, left, copy, copied;
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if (off + count > PRISM2_IO_DEBUG_SIZE * 4) {
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*eof = 1;
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if (off >= PRISM2_IO_DEBUG_SIZE * 4)
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return 0;
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count = PRISM2_IO_DEBUG_SIZE * 4 - off;
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}
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copied = 0;
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start_bytes = (PRISM2_IO_DEBUG_SIZE - head) * 4;
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left = count;
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if (off < start_bytes) {
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copy = start_bytes - off;
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if (copy > count)
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copy = count;
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memcpy(page, ((u8 *) &local->io_debug[head]) + off, copy);
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left -= copy;
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if (left > 0)
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memcpy(&page[copy], local->io_debug, left);
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} else {
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memcpy(page, ((u8 *) local->io_debug) + (off - start_bytes),
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left);
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}
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*start = page;
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return count;
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}
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#endif /* PRISM2_IO_DEBUG */
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#ifndef PRISM2_NO_STATION_MODES
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static int prism2_scan_results_proc_read(char *page, char **start, off_t off,
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int count, int *eof, void *data)
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{
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char *p = page;
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local_info_t *local = (local_info_t *) data;
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int entry, i, len, total = 0;
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struct hfa384x_hostscan_result *scanres;
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u8 *pos;
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p += sprintf(p, "CHID ANL SL BcnInt Capab Rate BSSID ATIM SupRates "
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"SSID\n");
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spin_lock_bh(&local->lock);
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for (entry = 0; entry < local->last_scan_results_count; entry++) {
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scanres = &local->last_scan_results[entry];
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if (total + (p - page) <= off) {
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total += p - page;
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p = page;
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}
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if (total + (p - page) > off + count)
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break;
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if ((p - page) > (PAGE_SIZE - 200))
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break;
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p += sprintf(p, "%d %d %d %d 0x%02x %d %pM %d ",
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le16_to_cpu(scanres->chid),
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(s16) le16_to_cpu(scanres->anl),
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(s16) le16_to_cpu(scanres->sl),
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le16_to_cpu(scanres->beacon_interval),
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le16_to_cpu(scanres->capability),
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le16_to_cpu(scanres->rate),
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scanres->bssid,
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le16_to_cpu(scanres->atim));
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pos = scanres->sup_rates;
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for (i = 0; i < sizeof(scanres->sup_rates); i++) {
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if (pos[i] == 0)
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break;
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p += sprintf(p, "<%02x>", pos[i]);
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}
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p += sprintf(p, " ");
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pos = scanres->ssid;
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len = le16_to_cpu(scanres->ssid_len);
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if (len > 32)
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len = 32;
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for (i = 0; i < len; i++) {
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unsigned char c = pos[i];
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if (c >= 32 && c < 127)
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p += sprintf(p, "%c", c);
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else
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p += sprintf(p, "<%02x>", c);
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}
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p += sprintf(p, "\n");
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}
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spin_unlock_bh(&local->lock);
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total += (p - page);
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if (total >= off + count)
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*eof = 1;
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if (total < off) {
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*eof = 1;
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return 0;
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}
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len = total - off;
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if (len > (p - page))
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len = p - page;
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*start = p - len;
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if (len > count)
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len = count;
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return len;
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}
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#endif /* PRISM2_NO_STATION_MODES */
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void hostap_init_proc(local_info_t *local)
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{
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local->proc = NULL;
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if (hostap_proc == NULL) {
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printk(KERN_WARNING "%s: hostap proc directory not created\n",
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local->dev->name);
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return;
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}
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local->proc = proc_mkdir(local->ddev->name, hostap_proc);
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if (local->proc == NULL) {
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printk(KERN_INFO "/proc/net/hostap/%s creation failed\n",
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local->ddev->name);
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return;
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}
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#ifndef PRISM2_NO_PROCFS_DEBUG
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create_proc_read_entry("debug", 0, local->proc,
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prism2_debug_proc_read, local);
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#endif /* PRISM2_NO_PROCFS_DEBUG */
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create_proc_read_entry("stats", 0, local->proc,
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prism2_stats_proc_read, local);
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create_proc_read_entry("wds", 0, local->proc,
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prism2_wds_proc_read, local);
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create_proc_read_entry("pda", 0, local->proc,
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prism2_pda_proc_read, local);
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create_proc_read_entry("aux_dump", 0, local->proc,
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prism2_aux_dump_proc_read, local);
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create_proc_read_entry("bss_list", 0, local->proc,
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prism2_bss_list_proc_read, local);
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create_proc_read_entry("crypt", 0, local->proc,
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prism2_crypt_proc_read, local);
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#ifdef PRISM2_IO_DEBUG
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create_proc_read_entry("io_debug", 0, local->proc,
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prism2_io_debug_proc_read, local);
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#endif /* PRISM2_IO_DEBUG */
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#ifndef PRISM2_NO_STATION_MODES
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create_proc_read_entry("scan_results", 0, local->proc,
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prism2_scan_results_proc_read, local);
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#endif /* PRISM2_NO_STATION_MODES */
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}
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void hostap_remove_proc(local_info_t *local)
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{
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if (local->proc != NULL) {
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#ifndef PRISM2_NO_STATION_MODES
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remove_proc_entry("scan_results", local->proc);
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#endif /* PRISM2_NO_STATION_MODES */
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#ifdef PRISM2_IO_DEBUG
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remove_proc_entry("io_debug", local->proc);
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#endif /* PRISM2_IO_DEBUG */
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remove_proc_entry("pda", local->proc);
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remove_proc_entry("aux_dump", local->proc);
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remove_proc_entry("wds", local->proc);
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remove_proc_entry("stats", local->proc);
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remove_proc_entry("bss_list", local->proc);
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remove_proc_entry("crypt", local->proc);
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#ifndef PRISM2_NO_PROCFS_DEBUG
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remove_proc_entry("debug", local->proc);
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#endif /* PRISM2_NO_PROCFS_DEBUG */
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if (hostap_proc != NULL)
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remove_proc_entry(local->proc->name, hostap_proc);
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}
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}
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EXPORT_SYMBOL(hostap_init_proc);
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EXPORT_SYMBOL(hostap_remove_proc);
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