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410 lines
12 KiB
410 lines
12 KiB
// SPDX-License-Identifier: GPL-2.0 |
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/* /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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#if !defined(PRISM2_NO_PROCFS_DEBUG) && defined(CONFIG_PROC_FS) |
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static int prism2_debug_proc_show(struct seq_file *m, void *v) |
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{ |
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local_info_t *local = m->private; |
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int i; |
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seq_printf(m, "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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seq_printf(m, "FID: tx=%04X intransmit=%04X\n", |
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local->txfid[i], local->intransmitfid[i]); |
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seq_printf(m, "FW TX rate control: %d\n", local->fw_tx_rate_control); |
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seq_printf(m, "beacon_int=%d\n", local->beacon_int); |
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seq_printf(m, "dtim_period=%d\n", local->dtim_period); |
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seq_printf(m, "wds_max_connections=%d\n", local->wds_max_connections); |
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seq_printf(m, "dev_enabled=%d\n", local->dev_enabled); |
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seq_printf(m, "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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seq_printf(m, "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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seq_printf(m, "pri_only=%d\n", local->pri_only); |
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seq_printf(m, "pci=%d\n", local->func->hw_type == HOSTAP_HW_PCI); |
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seq_printf(m, "sram_type=%d\n", local->sram_type); |
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seq_printf(m, "no_pri=%d\n", local->no_pri); |
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return 0; |
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} |
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#endif |
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#ifdef CONFIG_PROC_FS |
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static int prism2_stats_proc_show(struct seq_file *m, void *v) |
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{ |
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local_info_t *local = m->private; |
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struct comm_tallies_sums *sums = &local->comm_tallies; |
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seq_printf(m, "TxUnicastFrames=%u\n", sums->tx_unicast_frames); |
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seq_printf(m, "TxMulticastframes=%u\n", sums->tx_multicast_frames); |
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seq_printf(m, "TxFragments=%u\n", sums->tx_fragments); |
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seq_printf(m, "TxUnicastOctets=%u\n", sums->tx_unicast_octets); |
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seq_printf(m, "TxMulticastOctets=%u\n", sums->tx_multicast_octets); |
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seq_printf(m, "TxDeferredTransmissions=%u\n", |
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sums->tx_deferred_transmissions); |
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seq_printf(m, "TxSingleRetryFrames=%u\n", sums->tx_single_retry_frames); |
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seq_printf(m, "TxMultipleRetryFrames=%u\n", |
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sums->tx_multiple_retry_frames); |
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seq_printf(m, "TxRetryLimitExceeded=%u\n", |
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sums->tx_retry_limit_exceeded); |
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seq_printf(m, "TxDiscards=%u\n", sums->tx_discards); |
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seq_printf(m, "RxUnicastFrames=%u\n", sums->rx_unicast_frames); |
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seq_printf(m, "RxMulticastFrames=%u\n", sums->rx_multicast_frames); |
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seq_printf(m, "RxFragments=%u\n", sums->rx_fragments); |
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seq_printf(m, "RxUnicastOctets=%u\n", sums->rx_unicast_octets); |
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seq_printf(m, "RxMulticastOctets=%u\n", sums->rx_multicast_octets); |
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seq_printf(m, "RxFCSErrors=%u\n", sums->rx_fcs_errors); |
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seq_printf(m, "RxDiscardsNoBuffer=%u\n", sums->rx_discards_no_buffer); |
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seq_printf(m, "TxDiscardsWrongSA=%u\n", sums->tx_discards_wrong_sa); |
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seq_printf(m, "RxDiscardsWEPUndecryptable=%u\n", |
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sums->rx_discards_wep_undecryptable); |
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seq_printf(m, "RxMessageInMsgFragments=%u\n", |
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sums->rx_message_in_msg_fragments); |
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seq_printf(m, "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 0; |
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} |
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#endif |
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static int prism2_wds_proc_show(struct seq_file *m, void *v) |
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{ |
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struct list_head *ptr = v; |
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struct hostap_interface *iface; |
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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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seq_printf(m, "%s\t%pM\n", |
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iface->dev->name, iface->u.wds.remote_addr); |
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return 0; |
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} |
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static void *prism2_wds_proc_start(struct seq_file *m, loff_t *_pos) |
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{ |
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local_info_t *local = PDE_DATA(file_inode(m->file)); |
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read_lock_bh(&local->iface_lock); |
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return seq_list_start(&local->hostap_interfaces, *_pos); |
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} |
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static void *prism2_wds_proc_next(struct seq_file *m, void *v, loff_t *_pos) |
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{ |
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local_info_t *local = PDE_DATA(file_inode(m->file)); |
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return seq_list_next(v, &local->hostap_interfaces, _pos); |
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} |
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static void prism2_wds_proc_stop(struct seq_file *m, void *v) |
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{ |
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local_info_t *local = PDE_DATA(file_inode(m->file)); |
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read_unlock_bh(&local->iface_lock); |
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} |
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static const struct seq_operations prism2_wds_proc_seqops = { |
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.start = prism2_wds_proc_start, |
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.next = prism2_wds_proc_next, |
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.stop = prism2_wds_proc_stop, |
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.show = prism2_wds_proc_show, |
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}; |
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static int prism2_bss_list_proc_show(struct seq_file *m, void *v) |
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{ |
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local_info_t *local = PDE_DATA(file_inode(m->file)); |
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struct list_head *ptr = v; |
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struct hostap_bss_info *bss; |
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if (ptr == &local->bss_list) { |
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seq_printf(m, "#BSSID\tlast_update\tcount\tcapab_info\tSSID(txt)\t" |
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"SSID(hex)\tWPA IE\n"); |
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return 0; |
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} |
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bss = list_entry(ptr, struct hostap_bss_info, list); |
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seq_printf(m, "%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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seq_printf(m, "%*pE", (int)bss->ssid_len, bss->ssid); |
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seq_putc(m, '\t'); |
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seq_printf(m, "%*phN", (int)bss->ssid_len, bss->ssid); |
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seq_putc(m, '\t'); |
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seq_printf(m, "%*phN", (int)bss->wpa_ie_len, bss->wpa_ie); |
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seq_putc(m, '\n'); |
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return 0; |
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} |
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static void *prism2_bss_list_proc_start(struct seq_file *m, loff_t *_pos) |
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__acquires(&local->lock) |
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{ |
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local_info_t *local = PDE_DATA(file_inode(m->file)); |
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spin_lock_bh(&local->lock); |
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return seq_list_start_head(&local->bss_list, *_pos); |
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} |
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static void *prism2_bss_list_proc_next(struct seq_file *m, void *v, loff_t *_pos) |
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{ |
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local_info_t *local = PDE_DATA(file_inode(m->file)); |
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return seq_list_next(v, &local->bss_list, _pos); |
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} |
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static void prism2_bss_list_proc_stop(struct seq_file *m, void *v) |
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__releases(&local->lock) |
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{ |
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local_info_t *local = PDE_DATA(file_inode(m->file)); |
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spin_unlock_bh(&local->lock); |
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} |
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static const struct seq_operations prism2_bss_list_proc_seqops = { |
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.start = prism2_bss_list_proc_start, |
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.next = prism2_bss_list_proc_next, |
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.stop = prism2_bss_list_proc_stop, |
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.show = prism2_bss_list_proc_show, |
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}; |
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#ifdef CONFIG_PROC_FS |
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static int prism2_crypt_proc_show(struct seq_file *m, void *v) |
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{ |
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local_info_t *local = m->private; |
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int i; |
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seq_printf(m, "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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local->crypt_info.crypt[i]->ops->print_stats( |
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m, local->crypt_info.crypt[i]->priv); |
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} |
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} |
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return 0; |
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} |
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#endif |
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static ssize_t prism2_pda_proc_read(struct file *file, char __user *buf, |
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size_t count, loff_t *_pos) |
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{ |
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local_info_t *local = PDE_DATA(file_inode(file)); |
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size_t off; |
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if (local->pda == NULL || *_pos >= PRISM2_PDA_SIZE) |
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return 0; |
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off = *_pos; |
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if (count > PRISM2_PDA_SIZE - off) |
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count = PRISM2_PDA_SIZE - off; |
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if (copy_to_user(buf, local->pda + off, count) != 0) |
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return -EFAULT; |
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*_pos += count; |
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return count; |
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} |
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static const struct proc_ops prism2_pda_proc_ops = { |
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.proc_read = prism2_pda_proc_read, |
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.proc_lseek = generic_file_llseek, |
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}; |
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static ssize_t prism2_aux_dump_proc_no_read(struct file *file, char __user *buf, |
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size_t bufsize, loff_t *_pos) |
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{ |
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return 0; |
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} |
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static const struct proc_ops prism2_aux_dump_proc_ops = { |
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.proc_read = prism2_aux_dump_proc_no_read, |
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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; |
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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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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_show(struct seq_file *m, void *v) |
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{ |
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local_info_t *local = PDE_DATA(file_inode(m->file)); |
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unsigned long entry; |
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int i, len; |
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struct hfa384x_hostscan_result *scanres; |
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u8 *p; |
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if (v == SEQ_START_TOKEN) { |
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seq_printf(m, |
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"CHID ANL SL BcnInt Capab Rate BSSID ATIM SupRates SSID\n"); |
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return 0; |
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} |
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entry = (unsigned long)v - 2; |
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scanres = &local->last_scan_results[entry]; |
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seq_printf(m, "%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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p = scanres->sup_rates; |
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for (i = 0; i < sizeof(scanres->sup_rates); i++) { |
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if (p[i] == 0) |
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break; |
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seq_printf(m, "<%02x>", p[i]); |
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} |
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seq_putc(m, ' '); |
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p = 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 = p[i]; |
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if (c >= 32 && c < 127) |
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seq_putc(m, c); |
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else |
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seq_printf(m, "<%02x>", c); |
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} |
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seq_putc(m, '\n'); |
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return 0; |
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} |
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static void *prism2_scan_results_proc_start(struct seq_file *m, loff_t *_pos) |
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{ |
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local_info_t *local = PDE_DATA(file_inode(m->file)); |
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spin_lock_bh(&local->lock); |
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/* We have a header (pos 0) + N results to show (pos 1...N) */ |
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if (*_pos > local->last_scan_results_count) |
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return NULL; |
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return (void *)(unsigned long)(*_pos + 1); /* 0 would be EOF */ |
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} |
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static void *prism2_scan_results_proc_next(struct seq_file *m, void *v, loff_t *_pos) |
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{ |
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local_info_t *local = PDE_DATA(file_inode(m->file)); |
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++*_pos; |
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if (*_pos > local->last_scan_results_count) |
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return NULL; |
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return (void *)(unsigned long)(*_pos + 1); /* 0 would be EOF */ |
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} |
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static void prism2_scan_results_proc_stop(struct seq_file *m, void *v) |
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{ |
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local_info_t *local = PDE_DATA(file_inode(m->file)); |
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spin_unlock_bh(&local->lock); |
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} |
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static const struct seq_operations prism2_scan_results_proc_seqops = { |
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.start = prism2_scan_results_proc_start, |
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.next = prism2_scan_results_proc_next, |
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.stop = prism2_scan_results_proc_stop, |
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.show = prism2_scan_results_proc_show, |
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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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proc_create_single_data("debug", 0, local->proc, |
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prism2_debug_proc_show, local); |
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#endif /* PRISM2_NO_PROCFS_DEBUG */ |
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proc_create_single_data("stats", 0, local->proc, prism2_stats_proc_show, |
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local); |
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proc_create_seq_data("wds", 0, local->proc, |
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&prism2_wds_proc_seqops, local); |
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proc_create_data("pda", 0, local->proc, |
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&prism2_pda_proc_ops, local); |
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proc_create_data("aux_dump", 0, local->proc, |
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local->func->read_aux_proc_ops ?: &prism2_aux_dump_proc_ops, |
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local); |
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proc_create_seq_data("bss_list", 0, local->proc, |
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&prism2_bss_list_proc_seqops, local); |
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proc_create_single_data("crypt", 0, local->proc, prism2_crypt_proc_show, |
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local); |
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#ifdef PRISM2_IO_DEBUG |
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proc_create_single_data("io_debug", 0, local->proc, |
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prism2_debug_proc_show, local); |
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#endif /* PRISM2_IO_DEBUG */ |
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#ifndef PRISM2_NO_STATION_MODES |
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proc_create_seq_data("scan_results", 0, local->proc, |
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&prism2_scan_results_proc_seqops, 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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proc_remove(local->proc); |
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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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