diff options
author | Linus Torvalds <torvalds@g5.osdl.org> | 2005-09-07 17:22:43 -0700 |
---|---|---|
committer | Linus Torvalds <torvalds@g5.osdl.org> | 2005-09-07 17:22:43 -0700 |
commit | 55faed1e607a24ca7f3453a3eb463ca8987f8139 (patch) | |
tree | 70c1f910576713e799b5b409d9f4c3c56840526e /net | |
parent | 946e91f36e90eea46758dd725b1c3b239f270f68 (diff) | |
parent | 0edd5b44913cd0aba6f23b626b407f70bb3fb018 (diff) |
Merge branch 'upstream' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/netdev-2.6
Diffstat (limited to 'net')
-rw-r--r-- | net/core/wireless.c | 58 | ||||
-rw-r--r-- | net/ieee80211/ieee80211_crypt.c | 27 | ||||
-rw-r--r-- | net/ieee80211/ieee80211_crypt_ccmp.c | 47 | ||||
-rw-r--r-- | net/ieee80211/ieee80211_crypt_tkip.c | 133 | ||||
-rw-r--r-- | net/ieee80211/ieee80211_crypt_wep.c | 30 | ||||
-rw-r--r-- | net/ieee80211/ieee80211_module.c | 40 | ||||
-rw-r--r-- | net/ieee80211/ieee80211_rx.c | 310 | ||||
-rw-r--r-- | net/ieee80211/ieee80211_tx.c | 66 | ||||
-rw-r--r-- | net/ieee80211/ieee80211_wx.c | 73 |
9 files changed, 364 insertions, 420 deletions
diff --git a/net/core/wireless.c b/net/core/wireless.c index 5caae2399f3..d17f1583ea3 100644 --- a/net/core/wireless.c +++ b/net/core/wireless.c @@ -58,6 +58,13 @@ * o Add wmb() in iw_handler_set_spy() for non-coherent archs/cpus * Based on patch from Pavel Roskin <proski@gnu.org> : * o Fix kernel data leak to user space in private handler handling + * + * v7 - 18.3.05 - Jean II + * o Remove (struct iw_point *)->pointer from events and streams + * o Remove spy_offset from struct iw_handler_def + * o Start deprecating dev->get_wireless_stats, output a warning + * o If IW_QUAL_DBM is set, show dBm values in /proc/net/wireless + * o Don't loose INVALID/DBM flags when clearing UPDATED flags (iwstats) */ /***************************** INCLUDES *****************************/ @@ -446,10 +453,14 @@ static inline struct iw_statistics *get_wireless_stats(struct net_device *dev) (dev->wireless_handlers->get_wireless_stats != NULL)) return dev->wireless_handlers->get_wireless_stats(dev); - /* Old location, will be phased out in next WE */ - return (dev->get_wireless_stats ? - dev->get_wireless_stats(dev) : - (struct iw_statistics *) NULL); + /* Old location, field to be removed in next WE */ + if(dev->get_wireless_stats) { + printk(KERN_DEBUG "%s (WE) : Driver using old /proc/net/wireless support, please fix driver !\n", + dev->name); + return dev->get_wireless_stats(dev); + } + /* Not found */ + return (struct iw_statistics *) NULL; } /* ---------------------------------------------------------------- */ @@ -541,16 +552,18 @@ static __inline__ void wireless_seq_printf_stats(struct seq_file *seq, dev->name, stats->status, stats->qual.qual, stats->qual.updated & IW_QUAL_QUAL_UPDATED ? '.' : ' ', - ((__u8) stats->qual.level), + ((__s32) stats->qual.level) - + ((stats->qual.updated & IW_QUAL_DBM) ? 0x100 : 0), stats->qual.updated & IW_QUAL_LEVEL_UPDATED ? '.' : ' ', - ((__u8) stats->qual.noise), + ((__s32) stats->qual.noise) - + ((stats->qual.updated & IW_QUAL_DBM) ? 0x100 : 0), stats->qual.updated & IW_QUAL_NOISE_UPDATED ? '.' : ' ', stats->discard.nwid, stats->discard.code, stats->discard.fragment, stats->discard.retries, stats->discard.misc, stats->miss.beacon); - stats->qual.updated = 0; + stats->qual.updated &= ~IW_QUAL_ALL_UPDATED; } } @@ -593,6 +606,7 @@ static struct file_operations wireless_seq_fops = { int __init wireless_proc_init(void) { + /* Create /proc/net/wireless entry */ if (!proc_net_fops_create("wireless", S_IRUGO, &wireless_seq_fops)) return -ENOMEM; @@ -627,9 +641,9 @@ static inline int dev_iwstats(struct net_device *dev, struct ifreq *ifr) sizeof(struct iw_statistics))) return -EFAULT; - /* Check if we need to clear the update flag */ + /* Check if we need to clear the updated flag */ if(wrq->u.data.flags != 0) - stats->qual.updated = 0; + stats->qual.updated &= ~IW_QUAL_ALL_UPDATED; return 0; } else return -EOPNOTSUPP; @@ -1161,10 +1175,11 @@ void wireless_send_event(struct net_device * dev, struct iw_event *event; /* Mallocated whole event */ int event_len; /* Its size */ int hdr_len; /* Size of the event header */ + int wrqu_off = 0; /* Offset in wrqu */ /* Don't "optimise" the following variable, it will crash */ unsigned cmd_index; /* *MUST* be unsigned */ - /* Get the description of the IOCTL */ + /* Get the description of the Event */ if(cmd <= SIOCIWLAST) { cmd_index = cmd - SIOCIWFIRST; if(cmd_index < standard_ioctl_num) @@ -1207,6 +1222,8 @@ void wireless_send_event(struct net_device * dev, /* Calculate extra_len - extra is NULL for restricted events */ if(extra != NULL) extra_len = wrqu->data.length * descr->token_size; + /* Always at an offset in wrqu */ + wrqu_off = IW_EV_POINT_OFF; #ifdef WE_EVENT_DEBUG printk(KERN_DEBUG "%s (WE) : Event 0x%04X, tokens %d, extra_len %d\n", dev->name, cmd, wrqu->data.length, extra_len); #endif /* WE_EVENT_DEBUG */ @@ -1217,7 +1234,7 @@ void wireless_send_event(struct net_device * dev, event_len = hdr_len + extra_len; #ifdef WE_EVENT_DEBUG - printk(KERN_DEBUG "%s (WE) : Event 0x%04X, hdr_len %d, event_len %d\n", dev->name, cmd, hdr_len, event_len); + printk(KERN_DEBUG "%s (WE) : Event 0x%04X, hdr_len %d, wrqu_off %d, event_len %d\n", dev->name, cmd, hdr_len, wrqu_off, event_len); #endif /* WE_EVENT_DEBUG */ /* Create temporary buffer to hold the event */ @@ -1228,7 +1245,7 @@ void wireless_send_event(struct net_device * dev, /* Fill event */ event->len = event_len; event->cmd = cmd; - memcpy(&event->u, wrqu, hdr_len - IW_EV_LCP_LEN); + memcpy(&event->u, ((char *) wrqu) + wrqu_off, hdr_len - IW_EV_LCP_LEN); if(extra != NULL) memcpy(((char *) event) + hdr_len, extra, extra_len); @@ -1249,7 +1266,7 @@ void wireless_send_event(struct net_device * dev, * Now, the driver can delegate this task to Wireless Extensions. * It needs to use those standard spy iw_handler in struct iw_handler_def, * push data to us via wireless_spy_update() and include struct iw_spy_data - * in its private part (and advertise it in iw_handler_def->spy_offset). + * in its private part (and export it in net_device->wireless_data->spy_data). * One of the main advantage of centralising spy support here is that * it becomes much easier to improve and extend it without having to touch * the drivers. One example is the addition of the Spy-Threshold events. @@ -1266,10 +1283,7 @@ static inline struct iw_spy_data * get_spydata(struct net_device *dev) /* This is the new way */ if(dev->wireless_data) return(dev->wireless_data->spy_data); - - /* This is the old way. Doesn't work for multi-headed drivers. - * It will be removed in the next version of WE. */ - return (dev->priv + dev->wireless_handlers->spy_offset); + return NULL; } /*------------------------------------------------------------------*/ @@ -1284,10 +1298,6 @@ int iw_handler_set_spy(struct net_device * dev, struct iw_spy_data * spydata = get_spydata(dev); struct sockaddr * address = (struct sockaddr *) extra; - if(!dev->wireless_data) - /* Help user know that driver needs updating */ - printk(KERN_DEBUG "%s (WE) : Driver using old/buggy spy support, please fix driver !\n", - dev->name); /* Make sure driver is not buggy or using the old API */ if(!spydata) return -EOPNOTSUPP; @@ -1318,7 +1328,7 @@ int iw_handler_set_spy(struct net_device * dev, sizeof(struct iw_quality) * IW_MAX_SPY); #ifdef WE_SPY_DEBUG - printk(KERN_DEBUG "iw_handler_set_spy() : offset %ld, spydata %p, num %d\n", dev->wireless_handlers->spy_offset, spydata, wrqu->data.length); + printk(KERN_DEBUG "iw_handler_set_spy() : wireless_data %p, spydata %p, num %d\n", dev->wireless_data, spydata, wrqu->data.length); for (i = 0; i < wrqu->data.length; i++) printk(KERN_DEBUG "%02X:%02X:%02X:%02X:%02X:%02X \n", @@ -1371,7 +1381,7 @@ int iw_handler_get_spy(struct net_device * dev, sizeof(struct iw_quality) * spydata->spy_number); /* Reset updated flags. */ for(i = 0; i < spydata->spy_number; i++) - spydata->spy_stat[i].updated = 0; + spydata->spy_stat[i].updated &= ~IW_QUAL_ALL_UPDATED; return 0; } @@ -1486,7 +1496,7 @@ void wireless_spy_update(struct net_device * dev, return; #ifdef WE_SPY_DEBUG - printk(KERN_DEBUG "wireless_spy_update() : offset %ld, spydata %p, address %02X:%02X:%02X:%02X:%02X:%02X\n", dev->wireless_handlers->spy_offset, spydata, address[0], address[1], address[2], address[3], address[4], address[5]); + printk(KERN_DEBUG "wireless_spy_update() : wireless_data %p, spydata %p, address %02X:%02X:%02X:%02X:%02X:%02X\n", dev->wireless_data, spydata, address[0], address[1], address[2], address[3], address[4], address[5]); #endif /* WE_SPY_DEBUG */ /* Update all records that match */ diff --git a/net/ieee80211/ieee80211_crypt.c b/net/ieee80211/ieee80211_crypt.c index 05a6f2f298d..61a9d92e455 100644 --- a/net/ieee80211/ieee80211_crypt.c +++ b/net/ieee80211/ieee80211_crypt.c @@ -30,7 +30,6 @@ struct ieee80211_crypto_alg { struct ieee80211_crypto_ops *ops; }; - struct ieee80211_crypto { struct list_head algs; spinlock_t lock; @@ -38,8 +37,7 @@ struct ieee80211_crypto { static struct ieee80211_crypto *hcrypt; -void ieee80211_crypt_deinit_entries(struct ieee80211_device *ieee, - int force) +void ieee80211_crypt_deinit_entries(struct ieee80211_device *ieee, int force) { struct list_head *ptr, *n; struct ieee80211_crypt_data *entry; @@ -140,7 +138,7 @@ int ieee80211_unregister_crypto_ops(struct ieee80211_crypto_ops *ops) spin_lock_irqsave(&hcrypt->lock, flags); for (ptr = hcrypt->algs.next; ptr != &hcrypt->algs; ptr = ptr->next) { struct ieee80211_crypto_alg *alg = - (struct ieee80211_crypto_alg *) ptr; + (struct ieee80211_crypto_alg *)ptr; if (alg->ops == ops) { list_del(&alg->list); del_alg = alg; @@ -158,8 +156,7 @@ int ieee80211_unregister_crypto_ops(struct ieee80211_crypto_ops *ops) return del_alg ? 0 : -1; } - -struct ieee80211_crypto_ops * ieee80211_get_crypto_ops(const char *name) +struct ieee80211_crypto_ops *ieee80211_get_crypto_ops(const char *name) { unsigned long flags; struct list_head *ptr; @@ -171,7 +168,7 @@ struct ieee80211_crypto_ops * ieee80211_get_crypto_ops(const char *name) spin_lock_irqsave(&hcrypt->lock, flags); for (ptr = hcrypt->algs.next; ptr != &hcrypt->algs; ptr = ptr->next) { struct ieee80211_crypto_alg *alg = - (struct ieee80211_crypto_alg *) ptr; + (struct ieee80211_crypto_alg *)ptr; if (strcmp(alg->ops->name, name) == 0) { found_alg = alg; break; @@ -185,9 +182,13 @@ struct ieee80211_crypto_ops * ieee80211_get_crypto_ops(const char *name) return NULL; } - -static void * ieee80211_crypt_null_init(int keyidx) { return (void *) 1; } -static void ieee80211_crypt_null_deinit(void *priv) {} +static void *ieee80211_crypt_null_init(int keyidx) +{ + return (void *)1; +} +static void ieee80211_crypt_null_deinit(void *priv) +{ +} static struct ieee80211_crypto_ops ieee80211_crypt_null = { .name = "NULL", @@ -204,7 +205,6 @@ static struct ieee80211_crypto_ops ieee80211_crypt_null = { .owner = THIS_MODULE, }; - static int __init ieee80211_crypto_init(void) { int ret = -ENOMEM; @@ -222,11 +222,10 @@ static int __init ieee80211_crypto_init(void) kfree(hcrypt); hcrypt = NULL; } -out: + out: return ret; } - static void __exit ieee80211_crypto_deinit(void) { struct list_head *ptr, *n; @@ -237,7 +236,7 @@ static void __exit ieee80211_crypto_deinit(void) for (ptr = hcrypt->algs.next, n = ptr->next; ptr != &hcrypt->algs; ptr = n, n = ptr->next) { struct ieee80211_crypto_alg *alg = - (struct ieee80211_crypto_alg *) ptr; + (struct ieee80211_crypto_alg *)ptr; list_del(ptr); printk(KERN_DEBUG "ieee80211_crypt: unregistered algorithm " "'%s' (deinit)\n", alg->ops->name); diff --git a/net/ieee80211/ieee80211_crypt_ccmp.c b/net/ieee80211/ieee80211_crypt_ccmp.c index 11d15573b26..8fc13f45971 100644 --- a/net/ieee80211/ieee80211_crypt_ccmp.c +++ b/net/ieee80211/ieee80211_crypt_ccmp.c @@ -24,7 +24,6 @@ #include <net/ieee80211.h> - #include <linux/crypto.h> #include <asm/scatterlist.h> @@ -55,7 +54,7 @@ struct ieee80211_ccmp_data { /* scratch buffers for virt_to_page() (crypto API) */ u8 tx_b0[AES_BLOCK_LEN], tx_b[AES_BLOCK_LEN], - tx_e[AES_BLOCK_LEN], tx_s0[AES_BLOCK_LEN]; + tx_e[AES_BLOCK_LEN], tx_s0[AES_BLOCK_LEN]; u8 rx_b0[AES_BLOCK_LEN], rx_b[AES_BLOCK_LEN], rx_a[AES_BLOCK_LEN]; }; @@ -75,7 +74,7 @@ static void ieee80211_ccmp_aes_encrypt(struct crypto_tfm *tfm, crypto_cipher_encrypt(tfm, &dst, &src, AES_BLOCK_LEN); } -static void * ieee80211_ccmp_init(int key_idx) +static void *ieee80211_ccmp_init(int key_idx) { struct ieee80211_ccmp_data *priv; @@ -94,7 +93,7 @@ static void * ieee80211_ccmp_init(int key_idx) return priv; -fail: + fail: if (priv) { if (priv->tfm) crypto_free_tfm(priv->tfm); @@ -104,7 +103,6 @@ fail: return NULL; } - static void ieee80211_ccmp_deinit(void *priv) { struct ieee80211_ccmp_data *_priv = priv; @@ -113,19 +111,16 @@ static void ieee80211_ccmp_deinit(void *priv) kfree(priv); } - -static inline void xor_block(u8 *b, u8 *a, size_t len) +static inline void xor_block(u8 * b, u8 * a, size_t len) { int i; for (i = 0; i < len; i++) b[i] ^= a[i]; } - static void ccmp_init_blocks(struct crypto_tfm *tfm, struct ieee80211_hdr *hdr, - u8 *pn, size_t dlen, u8 *b0, u8 *auth, - u8 *s0) + u8 * pn, size_t dlen, u8 * b0, u8 * auth, u8 * s0) { u8 *pos, qc = 0; size_t aad_len; @@ -142,7 +137,7 @@ static void ccmp_init_blocks(struct crypto_tfm *tfm, if (a4_included) aad_len += 6; if (qc_included) { - pos = (u8 *) &hdr->addr4; + pos = (u8 *) & hdr->addr4; if (a4_included) pos += 6; qc = *pos & 0x0f; @@ -169,14 +164,14 @@ static void ccmp_init_blocks(struct crypto_tfm *tfm, * QC (if present) */ pos = (u8 *) hdr; - aad[0] = 0; /* aad_len >> 8 */ + aad[0] = 0; /* aad_len >> 8 */ aad[1] = aad_len & 0xff; aad[2] = pos[0] & 0x8f; aad[3] = pos[1] & 0xc7; memcpy(aad + 4, hdr->addr1, 3 * ETH_ALEN); - pos = (u8 *) &hdr->seq_ctl; + pos = (u8 *) & hdr->seq_ctl; aad[22] = pos[0] & 0x0f; - aad[23] = 0; /* all bits masked */ + aad[23] = 0; /* all bits masked */ memset(aad + 24, 0, 8); if (a4_included) memcpy(aad + 24, hdr->addr4, ETH_ALEN); @@ -196,7 +191,6 @@ static void ccmp_init_blocks(struct crypto_tfm *tfm, ieee80211_ccmp_aes_encrypt(tfm, b0, s0); } - static int ieee80211_ccmp_encrypt(struct sk_buff *skb, int hdr_len, void *priv) { struct ieee80211_ccmp_data *key = priv; @@ -209,8 +203,7 @@ static int ieee80211_ccmp_encrypt(struct sk_buff *skb, int hdr_len, void *priv) u8 *s0 = key->tx_s0; if (skb_headroom(skb) < CCMP_HDR_LEN || - skb_tailroom(skb) < CCMP_MIC_LEN || - skb->len < hdr_len) + skb_tailroom(skb) < CCMP_MIC_LEN || skb->len < hdr_len) return -1; data_len = skb->len - hdr_len; @@ -230,13 +223,13 @@ static int ieee80211_ccmp_encrypt(struct sk_buff *skb, int hdr_len, void *priv) *pos++ = key->tx_pn[5]; *pos++ = key->tx_pn[4]; *pos++ = 0; - *pos++ = (key->key_idx << 6) | (1 << 5) /* Ext IV included */; + *pos++ = (key->key_idx << 6) | (1 << 5) /* Ext IV included */ ; *pos++ = key->tx_pn[3]; *pos++ = key->tx_pn[2]; *pos++ = key->tx_pn[1]; *pos++ = key->tx_pn[0]; - hdr = (struct ieee80211_hdr *) skb->data; + hdr = (struct ieee80211_hdr *)skb->data; ccmp_init_blocks(key->tfm, hdr, key->tx_pn, data_len, b0, b, s0); blocks = (data_len + AES_BLOCK_LEN - 1) / AES_BLOCK_LEN; @@ -261,7 +254,6 @@ static int ieee80211_ccmp_encrypt(struct sk_buff *skb, int hdr_len, void *priv) return 0; } - static int ieee80211_ccmp_decrypt(struct sk_buff *skb, int hdr_len, void *priv) { struct ieee80211_ccmp_data *key = priv; @@ -280,7 +272,7 @@ static int ieee80211_ccmp_decrypt(struct sk_buff *skb, int hdr_len, void *priv) return -1; } - hdr = (struct ieee80211_hdr *) skb->data; + hdr = (struct ieee80211_hdr *)skb->data; pos = skb->data + hdr_len; keyidx = pos[3]; if (!(keyidx & (1 << 5))) { @@ -364,8 +356,7 @@ static int ieee80211_ccmp_decrypt(struct sk_buff *skb, int hdr_len, void *priv) return keyidx; } - -static int ieee80211_ccmp_set_key(void *key, int len, u8 *seq, void *priv) +static int ieee80211_ccmp_set_key(void *key, int len, u8 * seq, void *priv) { struct ieee80211_ccmp_data *data = priv; int keyidx; @@ -395,8 +386,7 @@ static int ieee80211_ccmp_set_key(void *key, int len, u8 *seq, void *priv) return 0; } - -static int ieee80211_ccmp_get_key(void *key, int len, u8 *seq, void *priv) +static int ieee80211_ccmp_get_key(void *key, int len, u8 * seq, void *priv) { struct ieee80211_ccmp_data *data = priv; @@ -419,8 +409,7 @@ static int ieee80211_ccmp_get_key(void *key, int len, u8 *seq, void *priv) return CCMP_TK_LEN; } - -static char * ieee80211_ccmp_print_stats(char *p, void *priv) +static char *ieee80211_ccmp_print_stats(char *p, void *priv) { struct ieee80211_ccmp_data *ccmp = priv; p += sprintf(p, "key[%d] alg=CCMP key_set=%d " @@ -436,7 +425,6 @@ static char * ieee80211_ccmp_print_stats(char *p, void *priv) return p; } - static struct ieee80211_crypto_ops ieee80211_crypt_ccmp = { .name = "CCMP", .init = ieee80211_ccmp_init, @@ -453,18 +441,15 @@ static struct ieee80211_crypto_ops ieee80211_crypt_ccmp = { .owner = THIS_MODULE, }; - static int __init ieee80211_crypto_ccmp_init(void) { return ieee80211_register_crypto_ops(&ieee80211_crypt_ccmp); } - static void __exit ieee80211_crypto_ccmp_exit(void) { ieee80211_unregister_crypto_ops(&ieee80211_crypt_ccmp); } - module_init(ieee80211_crypto_ccmp_init); module_exit(ieee80211_crypto_ccmp_exit); diff --git a/net/ieee80211/ieee80211_crypt_tkip.c b/net/ieee80211/ieee80211_crypt_tkip.c index f91d92c6df2..d4f9164be1a 100644 --- a/net/ieee80211/ieee80211_crypt_tkip.c +++ b/net/ieee80211/ieee80211_crypt_tkip.c @@ -23,7 +23,6 @@ #include <net/ieee80211.h> - #include <linux/crypto.h> #include <asm/scatterlist.h> #include <linux/crc32.h> @@ -62,7 +61,7 @@ struct ieee80211_tkip_data { u8 rx_hdr[16], tx_hdr[16]; }; -static void * ieee80211_tkip_init(int key_idx) +static void *ieee80211_tkip_init(int key_idx) { struct ieee80211_tkip_data *priv; @@ -88,7 +87,7 @@ static void * ieee80211_tkip_init(int key_idx) return priv; -fail: + fail: if (priv) { if (priv->tfm_michael) crypto_free_tfm(priv->tfm_michael); @@ -100,7 +99,6 @@ fail: return NULL; } - static void ieee80211_tkip_deinit(void *priv) { struct ieee80211_tkip_data *_priv = priv; @@ -111,51 +109,42 @@ static void ieee80211_tkip_deinit(void *priv) kfree(priv); } - static inline u16 RotR1(u16 val) { return (val >> 1) | (val << 15); } - static inline u8 Lo8(u16 val) { return val & 0xff; } - static inline u8 Hi8(u16 val) { return val >> 8; } - static inline u16 Lo16(u32 val) { return val & 0xffff; } - static inline u16 Hi16(u32 val) { return val >> 16; } - static inline u16 Mk16(u8 hi, u8 lo) { return lo | (((u16) hi) << 8); } - -static inline u16 Mk16_le(u16 *v) +static inline u16 Mk16_le(u16 * v) { return le16_to_cpu(*v); } - -static const u16 Sbox[256] = -{ +static const u16 Sbox[256] = { 0xC6A5, 0xF884, 0xEE99, 0xF68D, 0xFF0D, 0xD6BD, 0xDEB1, 0x9154, 0x6050, 0x0203, 0xCEA9, 0x567D, 0xE719, 0xB562, 0x4DE6, 0xEC9A, 0x8F45, 0x1F9D, 0x8940, 0xFA87, 0xEF15, 0xB2EB, 0x8EC9, 0xFB0B, @@ -190,17 +179,16 @@ static const u16 Sbox[256] = 0x82C3, 0x29B0, 0x5A77, 0x1E11, 0x7BCB, 0xA8FC, 0x6DD6, 0x2C3A, }; - static inline u16 _S_(u16 v) { u16 t = Sbox[Hi8(v)]; return Sbox[Lo8(v)] ^ ((t << 8) | (t >> 8)); } - #define PHASE1_LOOP_COUNT 8 -static void tkip_mixing_phase1(u16 *TTAK, const u8 *TK, const u8 *TA, u32 IV32) +static void tkip_mixing_phase1(u16 * TTAK, const u8 * TK, const u8 * TA, + u32 IV32) { int i, j; @@ -221,13 +209,12 @@ static void tkip_mixing_phase1(u16 *TTAK, const u8 *TK, const u8 *TA, u32 IV32) } } - -static void tkip_mixing_phase2(u8 *WEPSeed, const u8 *TK, const u16 *TTAK, +static void tkip_mixing_phase2(u8 * WEPSeed, const u8 * TK, const u16 * TTAK, u16 IV16) { /* Make temporary area overlap WEP seed so that the final copy can be * avoided on little endian hosts. */ - u16 *PPK = (u16 *) &WEPSeed[4]; + u16 *PPK = (u16 *) & WEPSeed[4]; /* Step 1 - make copy of TTAK and bring in TSC */ PPK[0] = TTAK[0]; @@ -238,15 +225,15 @@ static void tkip_mixing_phase2(u8 *WEPSeed, const u8 *TK, const u16 *TTAK, PPK[5] = TTAK[4] + IV16; /* Step 2 - 96-bit bijective mixing using S-box */ - PPK[0] += _S_(PPK[5] ^ Mk16_le((u16 *) &TK[0])); - PPK[1] += _S_(PPK[0] ^ Mk16_le((u16 *) &TK[2])); - PPK[2] += _S_(PPK[1] ^ Mk16_le((u16 *) &TK[4])); - PPK[3] += _S_(PPK[2] ^ Mk16_le((u16 *) &TK[6])); - PPK[4] += _S_(PPK[3] ^ Mk16_le((u16 *) &TK[8])); - PPK[5] += _S_(PPK[4] ^ Mk16_le((u16 *) &TK[10])); - - PPK[0] += RotR1(PPK[5] ^ Mk16_le((u16 *) &TK[12])); - PPK[1] += RotR1(PPK[0] ^ Mk16_le((u16 *) &TK[14])); + PPK[0] += _S_(PPK[5] ^ Mk16_le((u16 *) & TK[0])); + PPK[1] += _S_(PPK[0] ^ Mk16_le((u16 *) & TK[2])); + PPK[2] += _S_(PPK[1] ^ Mk16_le((u16 *) & TK[4])); + PPK[3] += _S_(PPK[2] ^ Mk16_le((u16 *) & TK[6])); + PPK[4] += _S_(PPK[3] ^ Mk16_le((u16 *) & TK[8])); + PPK[5] += _S_(PPK[4] ^ Mk16_le((u16 *) & TK[10])); + + PPK[0] += RotR1(PPK[5] ^ Mk16_le((u16 *) & TK[12])); + PPK[1] += RotR1(PPK[0] ^ Mk16_le((u16 *) & TK[14])); PPK[2] += RotR1(PPK[1]); PPK[3] += RotR1(PPK[2]); PPK[4] += RotR1(PPK[3]); @@ -257,7 +244,7 @@ static void tkip_mixing_phase2(u8 *WEPSeed, const u8 *TK, const u16 *TTAK, WEPSeed[0] = Hi8(IV16); WEPSeed[1] = (Hi8(IV16) | 0x20) & 0x7F; WEPSeed[2] = Lo8(IV16); - WEPSeed[3] = Lo8((PPK[5] ^ Mk16_le((u16 *) &TK[0])) >> 1); + WEPSeed[3] = Lo8((PPK[5] ^ Mk16_le((u16 *) & TK[0])) >> 1); #ifdef __BIG_ENDIAN { @@ -281,7 +268,7 @@ static int ieee80211_tkip_encrypt(struct sk_buff *skb, int hdr_len, void *priv) skb->len < hdr_len) return -1; - hdr = (struct ieee80211_hdr *) skb->data; + hdr = (struct ieee80211_hdr *)skb->data; if (!tkey->tx_phase1_done) { tkip_mixing_phase1(tkey->tx_ttak, tkey->key, hdr->addr2, tkey->tx_iv32); @@ -298,7 +285,7 @@ static int ieee80211_tkip_encrypt(struct sk_buff *skb, int hdr_len, void *priv) *pos++ = rc4key[0]; *pos++ = rc4key[1]; *pos++ = rc4key[2]; - *pos++ = (tkey->key_idx << 6) | (1 << 5) /* Ext IV included */; + *pos++ = (tkey->key_idx << 6) | (1 << 5) /* Ext IV included */ ; *pos++ = tkey->tx_iv32 & 0xff; *pos++ = (tkey->tx_iv32 >> 8) & 0xff; *pos++ = (tkey->tx_iv32 >> 16) & 0xff; @@ -341,7 +328,7 @@ static int ieee80211_tkip_decrypt(struct sk_buff *skb, int hdr_len, void *priv) if (skb->len < hdr_len + 8 + 4) return -1; - hdr = (struct ieee80211_hdr *) skb->data; + hdr = (struct ieee80211_hdr *)skb->data; pos = skb->data + hdr_len; keyidx = pos[3]; if (!(keyidx & (1 << 5))) { @@ -427,9 +414,8 @@ static int ieee80211_tkip_decrypt(struct sk_buff *skb, int hdr_len, void *priv) return keyidx; } - -static int michael_mic(struct ieee80211_tkip_data *tkey, u8 *key, u8 *hdr, - u8 *data, size_t data_len, u8 *mic) +static int michael_mic(struct ieee80211_tkip_data *tkey, u8 * key, u8 * hdr, + u8 * data, size_t data_len, u8 * mic) { struct scatterlist sg[2]; @@ -453,37 +439,37 @@ static int michael_mic(struct ieee80211_tkip_data *tkey, u8 *key, u8 *hdr, return 0; } -static void michael_mic_hdr(struct sk_buff *skb, u8 *hdr) +static void michael_mic_hdr(struct sk_buff *skb, u8 * hdr) { struct ieee80211_hdr *hdr11; - hdr11 = (struct ieee80211_hdr *) skb->data; + hdr11 = (struct ieee80211_hdr *)skb->data; switch (le16_to_cpu(hdr11->frame_ctl) & (IEEE80211_FCTL_FROMDS | IEEE80211_FCTL_TODS)) { case IEEE80211_FCTL_TODS: - memcpy(hdr, hdr11->addr3, ETH_ALEN); /* DA */ - memcpy(hdr + ETH_ALEN, hdr11->addr2, ETH_ALEN); /* SA */ + memcpy(hdr, hdr11->addr3, ETH_ALEN); /* DA */ + memcpy(hdr + ETH_ALEN, hdr11->addr2, ETH_ALEN); /* SA */ break; case IEEE80211_FCTL_FROMDS: - memcpy(hdr, hdr11->addr1, ETH_ALEN); /* DA */ - memcpy(hdr + ETH_ALEN, hdr11->addr3, ETH_ALEN); /* SA */ + memcpy(hdr, hdr11->addr1, ETH_ALEN); /* DA */ + memcpy(hdr + ETH_ALEN, hdr11->addr3, ETH_ALEN); /* SA */ break; case IEEE80211_FCTL_FROMDS | IEEE80211_FCTL_TODS: - memcpy(hdr, hdr11->addr3, ETH_ALEN); /* DA */ - memcpy(hdr + ETH_ALEN, hdr11->addr4, ETH_ALEN); /* SA */ + memcpy(hdr, hdr11->addr3, ETH_ALEN); /* DA */ + memcpy(hdr + ETH_ALEN, hdr11->addr4, ETH_ALEN); /* SA */ break; case 0: - memcpy(hdr, hdr11->addr1, ETH_ALEN); /* DA */ - memcpy(hdr + ETH_ALEN, hdr11->addr2, ETH_ALEN); /* SA */ + memcpy(hdr, hdr11->addr1, ETH_ALEN); /* DA */ + memcpy(hdr + ETH_ALEN, hdr11->addr2, ETH_ALEN); /* SA */ break; } - hdr[12] = 0; /* priority */ - hdr[13] = hdr[14] = hdr[15] = 0; /* reserved */ + hdr[12] = 0; /* priority */ + hdr[13] = hdr[14] = hdr[15] = 0; /* reserved */ } - -static int ieee80211_michael_mic_add(struct sk_buff *skb, int hdr_len, void *priv) +static int ieee80211_michael_mic_add(struct sk_buff *skb, int hdr_len, + void *priv) { struct ieee80211_tkip_data *tkey = priv; u8 *pos; @@ -504,11 +490,9 @@ static int ieee80211_michael_mic_add(struct sk_buff *skb, int hdr_len, void *pri return 0; } - #if WIRELESS_EXT >= 18 static void ieee80211_michael_mic_failure(struct net_device *dev, - struct ieee80211_hdr *hdr, - int keyidx) + struct ieee80211_hdr *hdr, int keyidx) { union iwreq_data wrqu; struct iw_michaelmicfailure ev; @@ -524,12 +508,11 @@ static void ieee80211_michael_mic_failure(struct net_device *dev, memcpy(ev.src_addr.sa_data, hdr->addr2, ETH_ALEN); memset(&wrqu, 0, sizeof(wrqu)); wrqu.data.length = sizeof(ev); - wireless_send_event(dev, IWEVMICHAELMICFAILURE, &wrqu, (char *) &ev); + wireless_send_event(dev, IWEVMICHAELMICFAILURE, &wrqu, (char *)&ev); } #elif WIRELESS_EXT >= 15 static void ieee80211_michael_mic_failure(struct net_device *dev, - struct ieee80211_hdr *hdr, - int keyidx) + struct ieee80211_hdr *hdr, int keyidx) { union iwreq_data wrqu; char buf[128]; @@ -542,17 +525,16 @@ static void ieee80211_michael_mic_failure(struct net_device *dev, wrqu.data.length = strlen(buf); wireless_send_event(dev, IWEVCUSTOM, &wrqu, buf); } -#else /* WIRELESS_EXT >= 15 */ +#else /* WIRELESS_EXT >= 15 */ static inline void ieee80211_michael_mic_failure(struct net_device *dev, - struct ieee80211_hdr *hdr, - int keyidx) + struct ieee80211_hdr *hdr, + int keyidx) { } -#endif /* WIRELESS_EXT >= 15 */ - +#endif /* WIRELESS_EXT >= 15 */ static int ieee80211_michael_mic_verify(struct sk_buff *skb, int keyidx, - int hdr_len, void *priv) + int hdr_len, void *priv) { struct ieee80211_tkip_data *tkey = priv; u8 mic[8]; @@ -566,7 +548,7 @@ static int ieee80211_michael_mic_verify(struct sk_buff *skb, int keyidx, return -1; if (memcmp(mic, skb->data + skb->len - 8, 8) != 0) { struct ieee80211_hdr *hdr; - hdr = (struct ieee80211_hdr *) skb->data; + hdr = (struct ieee80211_hdr *)skb->data; printk(KERN_DEBUG "%s: Michael MIC verification failed for " "MSDU from " MAC_FMT " keyidx=%d\n", skb->dev ? skb->dev->name : "N/A", MAC_ARG(hdr->addr2), @@ -587,8 +569,7 @@ static int ieee80211_michael_mic_verify(struct sk_buff *skb, int keyidx, return 0; } - -static int ieee80211_tkip_set_key(void *key, int len, u8 *seq, void *priv) +static int ieee80211_tkip_set_key(void *key, int len, u8 * seq, void *priv) { struct ieee80211_tkip_data *tkey = priv; int keyidx; @@ -603,10 +584,10 @@ static int ieee80211_tkip_set_key(void *key, int len, u8 *seq, void *priv) if (len == TKIP_KEY_LEN) { memcpy(tkey->key, key, TKIP_KEY_LEN); tkey->key_set = 1; - tkey->tx_iv16 = 1; /* TSC is initialized to 1 */ + tkey->tx_iv16 = 1; /* TSC is initialized to 1 */ if (seq) { tkey->rx_iv32 = (seq[5] << 24) | (seq[4] << 16) | - (seq[3] << 8) | seq[2]; + (seq[3] << 8) | seq[2]; tkey->rx_iv16 = (seq[1] << 8) | seq[0]; } } else if (len == 0) @@ -617,8 +598,7 @@ static int ieee80211_tkip_set_key(void *key, int len, u8 *seq, void *priv) return 0; } - -static int ieee80211_tkip_get_key(void *key, int len, u8 *seq, void *priv) +static int ieee80211_tkip_get_key(void *key, int len, u8 * seq, void *priv) { struct ieee80211_tkip_data *tkey = priv; @@ -647,8 +627,7 @@ static int ieee80211_tkip_get_key(void *key, int len, u8 *seq, void *priv) return TKIP_KEY_LEN; } - -static char * ieee80211_tkip_print_stats(char *p, void *priv) +static char *ieee80211_tkip_print_stats(char *p, void *priv) { struct ieee80211_tkip_data *tkip = priv; p += sprintf(p, "key[%d] alg=TKIP key_set=%d " @@ -674,7 +653,6 @@ static char * ieee80211_tkip_print_stats(char *p, void *priv) return p; } - static struct ieee80211_crypto_ops ieee80211_crypt_tkip = { .name = "TKIP", .init = ieee80211_tkip_init, @@ -686,23 +664,20 @@ static struct ieee80211_crypto_ops ieee80211_crypt_tkip = { .set_key = ieee80211_tkip_set_key, .get_key = ieee80211_tkip_get_key, .print_stats = ieee80211_tkip_print_stats, - .extra_prefix_len = 4 + 4, /* IV + ExtIV */ - .extra_postfix_len = 8 + 4, /* MIC + ICV */ - .owner = THIS_MODULE, + .extra_prefix_len = 4 + 4, /* IV + ExtIV */ + .extra_postfix_len = 8 + 4, /* MIC + ICV */ + .owner = THIS_MODULE, }; - static int __init ieee80211_crypto_tkip_init(void) { return ieee80211_register_crypto_ops(&ieee80211_crypt_tkip); } - static void __exit ieee80211_crypto_tkip_exit(void) { ieee80211_unregister_crypto_ops(&ieee80211_crypt_tkip); } - module_init(ieee80211_crypto_tkip_init); module_exit(ieee80211_crypto_tkip_exit); diff --git a/net/ieee80211/ieee80211_crypt_wep.c b/net/ieee80211/ieee80211_crypt_wep.c index bec1d3470d3..b4d2514a090 100644 --- a/net/ieee80211/ieee80211_crypt_wep.c +++ b/net/ieee80211/ieee80211_crypt_wep.c @@ -20,7 +20,6 @@ #include <net/ieee80211.h> - #include <linux/crypto.h> #include <asm/scatterlist.h> #include <linux/crc32.h> @@ -29,7 +28,6 @@ MODULE_AUTHOR("Jouni Malinen"); MODULE_DESCRIPTION("Host AP crypt: WEP"); MODULE_LICENSE("GPL"); - struct prism2_wep_data { u32 iv; #define WEP_KEY_LEN 13 @@ -39,8 +37,7 @@ struct prism2_wep_data { struct crypto_tfm *tfm; }; - -static void * prism2_wep_init(int keyidx) +static void *prism2_wep_init(int keyidx) { struct prism2_wep_data *priv; @@ -62,7 +59,7 @@ static void * prism2_wep_init(int keyidx) return priv; -fail: + fail: if (priv) { if (priv->tfm) crypto_free_tfm(priv->tfm); @@ -71,7 +68,6 @@ fail: return NULL; } - static void prism2_wep_deinit(void *priv) { struct prism2_wep_data *_priv = priv; @@ -80,7 +76,6 @@ static void prism2_wep_deinit(void *priv) kfree(priv); } - /* Perform WEP encryption on given skb that has at least 4 bytes of headroom * for IV and 4 bytes of tailroom for ICV. Both IV and ICV will be transmitted, * so the payload length increases with 8 bytes. @@ -143,7 +138,6 @@ static int prism2_wep_encrypt(struct sk_buff *skb, int hdr_len, void *priv) return 0; } - /* Perform WEP decryption on given buffer. Buffer includes whole WEP part of * the frame: IV (4 bytes), encrypted payload (including SNAP header), * ICV (4 bytes). len includes both IV and ICV. @@ -202,8 +196,7 @@ static int prism2_wep_decrypt(struct sk_buff *skb, int hdr_len, void *priv) return 0; } - -static int prism2_wep_set_key(void *key, int len, u8 *seq, void *priv) +static int prism2_wep_set_key(void *key, int len, u8 * seq, void *priv) { struct prism2_wep_data *wep = priv; @@ -216,8 +209,7 @@ static int prism2_wep_set_key(void *key, int len, u8 *seq, void *priv) return 0; } - -static int prism2_wep_get_key(void *key, int len, u8 *seq, void *priv) +static int prism2_wep_get_key(void *key, int len, u8 * seq, void *priv) { struct prism2_wep_data *wep = priv; @@ -229,16 +221,13 @@ static int prism2_wep_get_key(void *key, int len, u8 *seq, void *priv) return wep->key_len; } - -static char * prism2_wep_print_stats(char *p, void *priv) +static char *prism2_wep_print_stats(char *p, void *priv) { struct prism2_wep_data *wep = priv; - p += sprintf(p, "key[%d] alg=WEP len=%d\n", - wep->key_idx, wep->key_len); + p += sprintf(p, "key[%d] alg=WEP len=%d\n", wep->key_idx, wep->key_len); return p; } - static struct ieee80211_crypto_ops ieee80211_crypt_wep = { .name = "WEP", .init = prism2_wep_init, |