#include <linux/init.h>
#include <linux/slab.h>
#include <linux/random.h>
+#include <linux/scatterlist.h>
#include <linux/skbuff.h>
#include <linux/netdevice.h>
#include <linux/mm.h>
#include <net/ieee80211.h>
#include <linux/crypto.h>
-#include <asm/scatterlist.h>
#include <linux/crc32.h>
MODULE_AUTHOR("Jouni Malinen");
return lo | (((u16) hi) << 8);
}
-static inline u16 Mk16_le(u16 * v)
+static inline u16 Mk16_le(__le16 * v)
{
return le16_to_cpu(*v);
}
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((__le16 *) & TK[0]));
+ PPK[1] += _S_(PPK[0] ^ Mk16_le((__le16 *) & TK[2]));
+ PPK[2] += _S_(PPK[1] ^ Mk16_le((__le16 *) & TK[4]));
+ PPK[3] += _S_(PPK[2] ^ Mk16_le((__le16 *) & TK[6]));
+ PPK[4] += _S_(PPK[3] ^ Mk16_le((__le16 *) & TK[8]));
+ PPK[5] += _S_(PPK[4] ^ Mk16_le((__le16 *) & TK[10]));
+
+ PPK[0] += RotR1(PPK[5] ^ Mk16_le((__le16 *) & TK[12]));
+ PPK[1] += RotR1(PPK[0] ^ Mk16_le((__le16 *) & TK[14]));
PPK[2] += RotR1(PPK[1]);
PPK[3] += RotR1(PPK[2]);
PPK[4] += RotR1(PPK[3]);
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((__le16 *) & TK[0])) >> 1);
#ifdef __BIG_ENDIAN
{
u8 rc4key[16], *pos, *icv;
u32 crc;
struct scatterlist sg;
+ DECLARE_MAC_BUF(mac);
if (tkey->flags & IEEE80211_CRYPTO_TKIP_COUNTERMEASURES) {
if (net_ratelimit()) {
struct ieee80211_hdr_4addr *hdr =
(struct ieee80211_hdr_4addr *)skb->data;
printk(KERN_DEBUG ": TKIP countermeasures: dropped "
- "TX packet to " MAC_FMT "\n",
- MAC_ARG(hdr->addr1));
+ "TX packet to %s\n",
+ print_mac(mac, hdr->addr1));
}
return -1;
}
icv[3] = crc >> 24;
crypto_blkcipher_setkey(tkey->tx_tfm_arc4, rc4key, 16);
- sg.page = virt_to_page(pos);
- sg.offset = offset_in_page(pos);
- sg.length = len + 4;
+ sg_init_one(&sg, pos, len + 4);
return crypto_blkcipher_encrypt(&desc, &sg, &sg, len + 4);
}
u32 crc;
struct scatterlist sg;
int plen;
+ DECLARE_MAC_BUF(mac);
hdr = (struct ieee80211_hdr_4addr *)skb->data;
if (tkey->flags & IEEE80211_CRYPTO_TKIP_COUNTERMEASURES) {
if (net_ratelimit()) {
printk(KERN_DEBUG ": TKIP countermeasures: dropped "
- "received packet from " MAC_FMT "\n",
- MAC_ARG(hdr->addr2));
+ "received packet from %s\n",
+ print_mac(mac, hdr->addr2));
}
return -1;
}
if (!(keyidx & (1 << 5))) {
if (net_ratelimit()) {
printk(KERN_DEBUG "TKIP: received packet without ExtIV"
- " flag from " MAC_FMT "\n", MAC_ARG(hdr->addr2));
+ " flag from %s\n", print_mac(mac, hdr->addr2));
}
return -2;
}
}
if (!tkey->key_set) {
if (net_ratelimit()) {
- printk(KERN_DEBUG "TKIP: received packet from " MAC_FMT
+ printk(KERN_DEBUG "TKIP: received packet from %s"
" with keyid=%d that does not have a configured"
- " key\n", MAC_ARG(hdr->addr2), keyidx);
+ " key\n", print_mac(mac, hdr->addr2), keyidx);
}
return -3;
}
pos += 8;
if (tkip_replay_check(iv32, iv16, tkey->rx_iv32, tkey->rx_iv16)) {
- if (net_ratelimit()) {
- IEEE80211_DEBUG_DROP("TKIP: replay detected: STA=" MAC_FMT
+ if (ieee80211_ratelimit_debug(IEEE80211_DL_DROP)) {
+ IEEE80211_DEBUG_DROP("TKIP: replay detected: STA=%s"
" previous TSC %08x%04x received TSC "
- "%08x%04x\n", MAC_ARG(hdr->addr2),
+ "%08x%04x\n", print_mac(mac, hdr->addr2),
tkey->rx_iv32, tkey->rx_iv16, iv32, iv16);
}
tkey->dot11RSNAStatsTKIPReplays++;
plen = skb->len - hdr_len - 12;
crypto_blkcipher_setkey(tkey->rx_tfm_arc4, rc4key, 16);
- sg.page = virt_to_page(pos);
- sg.offset = offset_in_page(pos);
- sg.length = plen + 4;
+ sg_init_one(&sg, pos, plen + 4);
if (crypto_blkcipher_decrypt(&desc, &sg, &sg, plen + 4)) {
if (net_ratelimit()) {
printk(KERN_DEBUG ": TKIP: failed to decrypt "
- "received packet from " MAC_FMT "\n",
- MAC_ARG(hdr->addr2));
+ "received packet from %s\n",
+ print_mac(mac, hdr->addr2));
}
return -7;
}
* it needs to be recalculated for the next packet. */
tkey->rx_phase1_done = 0;
}
- if (net_ratelimit()) {
+ if (ieee80211_ratelimit_debug(IEEE80211_DL_DROP)) {
IEEE80211_DEBUG_DROP("TKIP: ICV error detected: STA="
- MAC_FMT "\n", MAC_ARG(hdr->addr2));
+ "%s\n", print_mac(mac, hdr->addr2));
}
tkey->dot11RSNAStatsTKIPICVErrors++;
return -5;
printk(KERN_WARNING "michael_mic: tfm_michael == NULL\n");
return -1;
}
- sg[0].page = virt_to_page(hdr);
- sg[0].offset = offset_in_page(hdr);
- sg[0].length = 16;
-
- sg[1].page = virt_to_page(data);
- sg[1].offset = offset_in_page(data);
- sg[1].length = data_len;
+ sg_init_table(sg, 2);
+ sg_set_buf(&sg[0], hdr, 16);
+ sg_set_buf(&sg[1], data, data_len);
if (crypto_hash_setkey(tfm_michael, key, 8))
return -1;
if (stype & IEEE80211_STYPE_QOS_DATA) {
const struct ieee80211_hdr_3addrqos *qoshdr =
(struct ieee80211_hdr_3addrqos *)skb->data;
- hdr[12] = qoshdr->qos_ctl & cpu_to_le16(IEEE80211_QCTL_TID);
+ hdr[12] = le16_to_cpu(qoshdr->qos_ctl) & IEEE80211_QCTL_TID;
} else
hdr[12] = 0; /* priority */
{
struct ieee80211_tkip_data *tkey = priv;
u8 mic[8];
+ DECLARE_MAC_BUF(mac);
if (!tkey->key_set)
return -1;
struct ieee80211_hdr_4addr *hdr;
hdr = (struct ieee80211_hdr_4addr *)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),
+ "MSDU from %s keyidx=%d\n",
+ skb->dev ? skb->dev->name : "N/A", print_mac(mac, hdr->addr2),
keyidx);
if (skb->dev)
ieee80211_michael_mic_failure(skb->dev, hdr, keyidx);