6bbefe8679
Don't use create_proc_read_entry() as that is deprecated, but rather use proc_create_data() and seq_file instead. Signed-off-by: David Howells <dhowells@redhat.com> Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> cc: Jouni Malinen <j@w1.fi> cc: John W. Linville <linville@tuxdriver.com> cc: Johannes Berg <johannes@sipsolutions.net> cc: linux-wireless@vger.kernel.org cc: netdev@vger.kernel.org cc: devel@driverdev.osuosl.org Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
127 lines
4.2 KiB
C
127 lines
4.2 KiB
C
/*
|
|
* lib80211.h -- common bits for IEEE802.11 wireless drivers
|
|
*
|
|
* Copyright (c) 2008, John W. Linville <linville@tuxdriver.com>
|
|
*
|
|
* Some bits copied from old ieee80211 component, w/ original copyright
|
|
* notices below:
|
|
*
|
|
* Original code based on Host AP (software wireless LAN access point) driver
|
|
* for Intersil Prism2/2.5/3.
|
|
*
|
|
* Copyright (c) 2001-2002, SSH Communications Security Corp and Jouni Malinen
|
|
* <j@w1.fi>
|
|
* Copyright (c) 2002-2003, Jouni Malinen <j@w1.fi>
|
|
*
|
|
* Adaption to a generic IEEE 802.11 stack by James Ketrenos
|
|
* <jketreno@linux.intel.com>
|
|
*
|
|
* Copyright (c) 2004, Intel Corporation
|
|
*
|
|
*/
|
|
|
|
#ifndef LIB80211_H
|
|
#define LIB80211_H
|
|
|
|
#include <linux/types.h>
|
|
#include <linux/list.h>
|
|
#include <linux/atomic.h>
|
|
#include <linux/if.h>
|
|
#include <linux/skbuff.h>
|
|
#include <linux/ieee80211.h>
|
|
#include <linux/timer.h>
|
|
#include <linux/seq_file.h>
|
|
|
|
/* print_ssid() is intended to be used in debug (and possibly error)
|
|
* messages. It should never be used for passing ssid to user space. */
|
|
const char *print_ssid(char *buf, const char *ssid, u8 ssid_len);
|
|
#define DECLARE_SSID_BUF(var) char var[IEEE80211_MAX_SSID_LEN * 4 + 1] __maybe_unused
|
|
|
|
#define NUM_WEP_KEYS 4
|
|
|
|
enum {
|
|
IEEE80211_CRYPTO_TKIP_COUNTERMEASURES = (1 << 0),
|
|
};
|
|
|
|
struct module;
|
|
|
|
struct lib80211_crypto_ops {
|
|
const char *name;
|
|
struct list_head list;
|
|
|
|
/* init new crypto context (e.g., allocate private data space,
|
|
* select IV, etc.); returns NULL on failure or pointer to allocated
|
|
* private data on success */
|
|
void *(*init) (int keyidx);
|
|
|
|
/* deinitialize crypto context and free allocated private data */
|
|
void (*deinit) (void *priv);
|
|
|
|
/* encrypt/decrypt return < 0 on error or >= 0 on success. The return
|
|
* value from decrypt_mpdu is passed as the keyidx value for
|
|
* decrypt_msdu. skb must have enough head and tail room for the
|
|
* encryption; if not, error will be returned; these functions are
|
|
* called for all MPDUs (i.e., fragments).
|
|
*/
|
|
int (*encrypt_mpdu) (struct sk_buff * skb, int hdr_len, void *priv);
|
|
int (*decrypt_mpdu) (struct sk_buff * skb, int hdr_len, void *priv);
|
|
|
|
/* These functions are called for full MSDUs, i.e. full frames.
|
|
* These can be NULL if full MSDU operations are not needed. */
|
|
int (*encrypt_msdu) (struct sk_buff * skb, int hdr_len, void *priv);
|
|
int (*decrypt_msdu) (struct sk_buff * skb, int keyidx, int hdr_len,
|
|
void *priv);
|
|
|
|
int (*set_key) (void *key, int len, u8 * seq, void *priv);
|
|
int (*get_key) (void *key, int len, u8 * seq, void *priv);
|
|
|
|
/* procfs handler for printing out key information and possible
|
|
* statistics */
|
|
void (*print_stats) (struct seq_file *m, void *priv);
|
|
|
|
/* Crypto specific flag get/set for configuration settings */
|
|
unsigned long (*get_flags) (void *priv);
|
|
unsigned long (*set_flags) (unsigned long flags, void *priv);
|
|
|
|
/* maximum number of bytes added by encryption; encrypt buf is
|
|
* allocated with extra_prefix_len bytes, copy of in_buf, and
|
|
* extra_postfix_len; encrypt need not use all this space, but
|
|
* the result must start at the beginning of the buffer and correct
|
|
* length must be returned */
|
|
int extra_mpdu_prefix_len, extra_mpdu_postfix_len;
|
|
int extra_msdu_prefix_len, extra_msdu_postfix_len;
|
|
|
|
struct module *owner;
|
|
};
|
|
|
|
struct lib80211_crypt_data {
|
|
struct list_head list; /* delayed deletion list */
|
|
struct lib80211_crypto_ops *ops;
|
|
void *priv;
|
|
atomic_t refcnt;
|
|
};
|
|
|
|
struct lib80211_crypt_info {
|
|
char *name;
|
|
/* Most clients will already have a lock,
|
|
so just point to that. */
|
|
spinlock_t *lock;
|
|
|
|
struct lib80211_crypt_data *crypt[NUM_WEP_KEYS];
|
|
int tx_keyidx; /* default TX key index (crypt[tx_keyidx]) */
|
|
struct list_head crypt_deinit_list;
|
|
struct timer_list crypt_deinit_timer;
|
|
int crypt_quiesced;
|
|
};
|
|
|
|
int lib80211_crypt_info_init(struct lib80211_crypt_info *info, char *name,
|
|
spinlock_t *lock);
|
|
void lib80211_crypt_info_free(struct lib80211_crypt_info *info);
|
|
int lib80211_register_crypto_ops(struct lib80211_crypto_ops *ops);
|
|
int lib80211_unregister_crypto_ops(struct lib80211_crypto_ops *ops);
|
|
struct lib80211_crypto_ops *lib80211_get_crypto_ops(const char *name);
|
|
void lib80211_crypt_delayed_deinit(struct lib80211_crypt_info *info,
|
|
struct lib80211_crypt_data **crypt);
|
|
|
|
#endif /* LIB80211_H */
|