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path: root/drivers/staging/rtl8192e/rtllib_crypt_tkip.c
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Diffstat (limited to 'drivers/staging/rtl8192e/rtllib_crypt_tkip.c')
-rw-r--r--drivers/staging/rtl8192e/rtllib_crypt_tkip.c89
1 files changed, 43 insertions, 46 deletions
diff --git a/drivers/staging/rtl8192e/rtllib_crypt_tkip.c b/drivers/staging/rtl8192e/rtllib_crypt_tkip.c
index 656b4b359..2096d7891 100644
--- a/drivers/staging/rtl8192e/rtllib_crypt_tkip.c
+++ b/drivers/staging/rtl8192e/rtllib_crypt_tkip.c
@@ -21,6 +21,7 @@
#include <linux/crypto.h>
#include <linux/scatterlist.h>
#include <linux/crc32.h>
+#include <linux/etherdevice.h>
#include "rtllib.h"
@@ -52,7 +53,8 @@ struct rtllib_tkip_data {
struct crypto_blkcipher *tx_tfm_arc4;
struct crypto_hash *tx_tfm_michael;
/* scratch buffers for virt_to_page() (crypto API) */
- u8 rx_hdr[16], tx_hdr[16];
+ u8 rx_hdr[16];
+ u8 tx_hdr[16];
};
static void *rtllib_tkip_init(int key_idx)
@@ -66,8 +68,7 @@ static void *rtllib_tkip_init(int key_idx)
priv->tx_tfm_arc4 = crypto_alloc_blkcipher("ecb(arc4)", 0,
CRYPTO_ALG_ASYNC);
if (IS_ERR(priv->tx_tfm_arc4)) {
- printk(KERN_DEBUG
- "rtllib_crypt_tkip: could not allocate crypto API arc4\n");
+ pr_debug("Could not allocate crypto API arc4\n");
priv->tx_tfm_arc4 = NULL;
goto fail;
}
@@ -75,8 +76,7 @@ static void *rtllib_tkip_init(int key_idx)
priv->tx_tfm_michael = crypto_alloc_hash("michael_mic", 0,
CRYPTO_ALG_ASYNC);
if (IS_ERR(priv->tx_tfm_michael)) {
- printk(KERN_DEBUG
- "rtllib_crypt_tkip: could not allocate crypto API michael_mic\n");
+ pr_debug("Could not allocate crypto API michael_mic\n");
priv->tx_tfm_michael = NULL;
goto fail;
}
@@ -84,8 +84,7 @@ static void *rtllib_tkip_init(int key_idx)
priv->rx_tfm_arc4 = crypto_alloc_blkcipher("ecb(arc4)", 0,
CRYPTO_ALG_ASYNC);
if (IS_ERR(priv->rx_tfm_arc4)) {
- printk(KERN_DEBUG
- "rtllib_crypt_tkip: could not allocate crypto API arc4\n");
+ pr_debug("Could not allocate crypto API arc4\n");
priv->rx_tfm_arc4 = NULL;
goto fail;
}
@@ -93,8 +92,7 @@ static void *rtllib_tkip_init(int key_idx)
priv->rx_tfm_michael = crypto_alloc_hash("michael_mic", 0,
CRYPTO_ALG_ASYNC);
if (IS_ERR(priv->rx_tfm_michael)) {
- printk(KERN_DEBUG
- "rtllib_crypt_tkip: could not allocate crypto API michael_mic\n");
+ pr_debug("Could not allocate crypto API michael_mic\n");
priv->rx_tfm_michael = NULL;
goto fail;
}
@@ -401,24 +399,24 @@ static int rtllib_tkip_decrypt(struct sk_buff *skb, int hdr_len, void *priv)
keyidx = pos[3];
if (!(keyidx & (1 << 5))) {
if (net_ratelimit()) {
- printk(KERN_DEBUG
- "TKIP: received packet without ExtIV flag from %pM\n",
- hdr->addr2);
+ netdev_dbg(skb->dev,
+ "Received packet without ExtIV flag from %pM\n",
+ hdr->addr2);
}
return -2;
}
keyidx >>= 6;
if (tkey->key_idx != keyidx) {
- printk(KERN_DEBUG
- "TKIP: RX tkey->key_idx=%d frame keyidx=%d priv=%p\n",
- tkey->key_idx, keyidx, priv);
+ netdev_dbg(skb->dev,
+ "RX tkey->key_idx=%d frame keyidx=%d priv=%p\n",
+ tkey->key_idx, keyidx, priv);
return -6;
}
if (!tkey->key_set) {
if (net_ratelimit()) {
- printk(KERN_DEBUG
- "TKIP: received packet from %pM with keyid=%d that does not have a configured key\n",
- hdr->addr2, keyidx);
+ netdev_dbg(skb->dev,
+ "Received packet from %pM with keyid=%d that does not have a configured key\n",
+ hdr->addr2, keyidx);
}
return -3;
}
@@ -431,10 +429,10 @@ static int rtllib_tkip_decrypt(struct sk_buff *skb, int hdr_len, void *priv)
(iv32 == tkey->rx_iv32 && iv16 <= tkey->rx_iv16)) &&
tkey->initialized) {
if (net_ratelimit()) {
- printk(KERN_DEBUG
- "TKIP: replay detected: STA= %pM previous TSC %08x%04x received TSC %08x%04x\n",
- hdr->addr2, tkey->rx_iv32, tkey->rx_iv16,
- iv32, iv16);
+ netdev_dbg(skb->dev,
+ "Replay detected: STA= %pM previous TSC %08x%04x received TSC %08x%04x\n",
+ hdr->addr2, tkey->rx_iv32,
+ tkey->rx_iv16, iv32, iv16);
}
tkey->dot11RSNAStatsTKIPReplays++;
return -4;
@@ -455,9 +453,9 @@ static int rtllib_tkip_decrypt(struct sk_buff *skb, int hdr_len, void *priv)
crypto_blkcipher_setkey(tkey->rx_tfm_arc4, rc4key, 16);
if (crypto_blkcipher_decrypt(&desc, &sg, &sg, plen + 4)) {
if (net_ratelimit()) {
- printk(KERN_DEBUG
- ": TKIP: failed to decrypt received packet from %pM\n",
- hdr->addr2);
+ netdev_dbg(skb->dev,
+ "Failed to decrypt received packet from %pM\n",
+ hdr->addr2);
}
return -7;
}
@@ -477,9 +475,9 @@ static int rtllib_tkip_decrypt(struct sk_buff *skb, int hdr_len, void *priv)
tkey->rx_phase1_done = 0;
}
if (net_ratelimit()) {
- printk(KERN_DEBUG
- "TKIP: ICV error detected: STA= %pM\n",
- hdr->addr2);
+ netdev_dbg(skb->dev,
+ "ICV error detected: STA= %pM\n",
+ hdr->addr2);
}
tkey->dot11RSNAStatsTKIPICVErrors++;
return -5;
@@ -532,20 +530,20 @@ static void michael_mic_hdr(struct sk_buff *skb, u8 *hdr)
switch (le16_to_cpu(hdr11->frame_ctl) &
(RTLLIB_FCTL_FROMDS | RTLLIB_FCTL_TODS)) {
case RTLLIB_FCTL_TODS:
- memcpy(hdr, hdr11->addr3, ETH_ALEN); /* DA */
- memcpy(hdr + ETH_ALEN, hdr11->addr2, ETH_ALEN); /* SA */
+ ether_addr_copy(hdr, hdr11->addr3); /* DA */
+ ether_addr_copy(hdr + ETH_ALEN, hdr11->addr2); /* SA */
break;
case RTLLIB_FCTL_FROMDS:
- memcpy(hdr, hdr11->addr1, ETH_ALEN); /* DA */
- memcpy(hdr + ETH_ALEN, hdr11->addr3, ETH_ALEN); /* SA */
+ ether_addr_copy(hdr, hdr11->addr1); /* DA */
+ ether_addr_copy(hdr + ETH_ALEN, hdr11->addr3); /* SA */
break;
case RTLLIB_FCTL_FROMDS | RTLLIB_FCTL_TODS:
- memcpy(hdr, hdr11->addr3, ETH_ALEN); /* DA */
- memcpy(hdr + ETH_ALEN, hdr11->addr4, ETH_ALEN); /* SA */
+ ether_addr_copy(hdr, hdr11->addr3); /* DA */
+ ether_addr_copy(hdr + ETH_ALEN, hdr11->addr4); /* SA */
break;
case 0:
- memcpy(hdr, hdr11->addr1, ETH_ALEN); /* DA */
- memcpy(hdr + ETH_ALEN, hdr11->addr2, ETH_ALEN); /* SA */
+ ether_addr_copy(hdr, hdr11->addr1); /* DA */
+ ether_addr_copy(hdr + ETH_ALEN, hdr11->addr2); /* SA */
break;
}
@@ -564,9 +562,9 @@ static int rtllib_michael_mic_add(struct sk_buff *skb, int hdr_len, void *priv)
hdr = (struct rtllib_hdr_4addr *) skb->data;
if (skb_tailroom(skb) < 8 || skb->len < hdr_len) {
- printk(KERN_DEBUG
- "Invalid packet for Michael MIC add (tailroom=%d hdr_len=%d skb->len=%d)\n",
- skb_tailroom(skb), hdr_len, skb->len);
+ netdev_dbg(skb->dev,
+ "Invalid packet for Michael MIC add (tailroom=%d hdr_len=%d skb->len=%d)\n",
+ skb_tailroom(skb), hdr_len, skb->len);
return -1;
}
@@ -598,7 +596,7 @@ static void rtllib_michael_mic_failure(struct net_device *dev,
else
ev.flags |= IW_MICFAILURE_PAIRWISE;
ev.src_addr.sa_family = ARPHRD_ETHER;
- memcpy(ev.src_addr.sa_data, hdr->addr2, ETH_ALEN);
+ ether_addr_copy(ev.src_addr.sa_data, hdr->addr2);
memset(&wrqu, 0, sizeof(wrqu));
wrqu.data.length = sizeof(ev);
wireless_send_event(dev, IWEVMICHAELMICFAILURE, &wrqu, (char *) &ev);
@@ -628,12 +626,11 @@ static int rtllib_michael_mic_verify(struct sk_buff *skb, int keyidx,
struct rtllib_hdr_4addr *hdr;
hdr = (struct rtllib_hdr_4addr *) skb->data;
- printk(KERN_DEBUG
- "%s: Michael MIC verification failed for MSDU from %pM keyidx=%d\n",
- skb->dev ? skb->dev->name : "N/A", hdr->addr2,
- keyidx);
- printk(KERN_DEBUG "%d\n",
- memcmp(mic, skb->data + skb->len - 8, 8) != 0);
+ netdev_dbg(skb->dev,
+ "Michael MIC verification failed for MSDU from %pM keyidx=%d\n",
+ hdr->addr2, keyidx);
+ netdev_dbg(skb->dev, "%d\n",
+ memcmp(mic, skb->data + skb->len - 8, 8) != 0);
if (skb->dev) {
pr_info("skb->dev != NULL\n");
rtllib_michael_mic_failure(skb->dev, hdr, keyidx);
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-07-04 20:06:28 +0000