diff options
author | Linus Torvalds <torvalds@g5.osdl.org> | 2006-09-24 10:15:13 -0700 |
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committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-09-24 10:15:13 -0700 |
commit | a319a2773a13bab56a0d0b3744ba8703324313b5 (patch) | |
tree | f02c86acabd1031439fd422a167784007e84ebb1 /net/ieee80211/ieee80211_crypt_wep.c | |
parent | e18fa700c9a31360bc8f193aa543b7ef7b39a06b (diff) | |
parent | 183798799216fad36c7219fe8d4d6dee6b8fa755 (diff) | |
download | linux-a319a2773a13bab56a0d0b3744ba8703324313b5.tar.bz2 |
Merge branch 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/netdev-2.6
* 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/netdev-2.6: (217 commits)
net/ieee80211: fix more crypto-related build breakage
[PATCH] Spidernet: add ethtool -S (show statistics)
[NET] GT96100: Delete bitrotting ethernet driver
[PATCH] mv643xx_eth: restrict to 32-bit PPC_MULTIPLATFORM
[PATCH] Cirrus Logic ep93xx ethernet driver
r8169: the MMIO region of the 8167 stands behin BAR#1
e1000, ixgb: Remove pointless wrappers
[PATCH] Remove powerpc specific parts of 3c509 driver
[PATCH] s2io: Switch to pci_get_device
[PATCH] gt96100: move to pci_get_device API
[PATCH] ehea: bugfix for register access functions
[PATCH] e1000 disable device on PCI error
drivers/net/phy/fixed: #if 0 some incomplete code
drivers/net: const-ify ethtool_ops declarations
[PATCH] ethtool: allow const ethtool_ops
[PATCH] sky2: big endian
[PATCH] sky2: fiber support
[PATCH] sky2: tx pause bug fix
drivers/net: Trim trailing whitespace
[PATCH] ehea: IBM eHEA Ethernet Device Driver
...
Manually resolved conflicts in drivers/net/ixgb/ixgb_main.c and
drivers/net/sky2.c related to CHECKSUM_HW/CHECKSUM_PARTIAL changes by
commit 84fa7933a33f806bbbaae6775e87459b1ec584c0 that just happened to be
next to unrelated changes in this update.
Diffstat (limited to 'net/ieee80211/ieee80211_crypt_wep.c')
-rw-r--r-- | net/ieee80211/ieee80211_crypt_wep.c | 38 |
1 files changed, 26 insertions, 12 deletions
diff --git a/net/ieee80211/ieee80211_crypt_wep.c b/net/ieee80211/ieee80211_crypt_wep.c index 3d46d3efe1dd..1b2efff11d39 100644 --- a/net/ieee80211/ieee80211_crypt_wep.c +++ b/net/ieee80211/ieee80211_crypt_wep.c @@ -33,7 +33,8 @@ struct prism2_wep_data { u8 key[WEP_KEY_LEN + 1]; u8 key_len; u8 key_idx; - struct crypto_blkcipher *tfm; + struct crypto_blkcipher *tx_tfm; + struct crypto_blkcipher *rx_tfm; }; static void *prism2_wep_init(int keyidx) @@ -45,14 +46,21 @@ static void *prism2_wep_init(int keyidx) goto fail; priv->key_idx = keyidx; - priv->tfm = crypto_alloc_blkcipher("ecb(arc4)", 0, CRYPTO_ALG_ASYNC); - if (IS_ERR(priv->tfm)) { + priv->tx_tfm = crypto_alloc_blkcipher("ecb(arc4)", 0, CRYPTO_ALG_ASYNC); + if (IS_ERR(priv->tx_tfm)) { printk(KERN_DEBUG "ieee80211_crypt_wep: could not allocate " "crypto API arc4\n"); - priv->tfm = NULL; + priv->tx_tfm = NULL; goto fail; } + priv->rx_tfm = crypto_alloc_blkcipher("ecb(arc4)", 0, CRYPTO_ALG_ASYNC); + if (IS_ERR(priv->rx_tfm)) { + printk(KERN_DEBUG "ieee80211_crypt_wep: could not allocate " + "crypto API arc4\n"); + priv->rx_tfm = NULL; + goto fail; + } /* start WEP IV from a random value */ get_random_bytes(&priv->iv, 4); @@ -60,8 +68,10 @@ static void *prism2_wep_init(int keyidx) fail: if (priv) { - if (priv->tfm) - crypto_free_blkcipher(priv->tfm); + if (priv->tx_tfm) + crypto_free_blkcipher(priv->tx_tfm); + if (priv->rx_tfm) + crypto_free_blkcipher(priv->rx_tfm); kfree(priv); } return NULL; @@ -70,8 +80,12 @@ static void *prism2_wep_init(int keyidx) static void prism2_wep_deinit(void *priv) { struct prism2_wep_data *_priv = priv; - if (_priv && _priv->tfm) - crypto_free_blkcipher(_priv->tfm); + if (_priv) { + if (_priv->tx_tfm) + crypto_free_blkcipher(_priv->tx_tfm); + if (_priv->rx_tfm) + crypto_free_blkcipher(_priv->rx_tfm); + } kfree(priv); } @@ -122,7 +136,7 @@ static int prism2_wep_build_iv(struct sk_buff *skb, int hdr_len, static int prism2_wep_encrypt(struct sk_buff *skb, int hdr_len, void *priv) { struct prism2_wep_data *wep = priv; - struct blkcipher_desc desc = { .tfm = wep->tfm }; + struct blkcipher_desc desc = { .tfm = wep->tx_tfm }; u32 crc, klen, len; u8 *pos, *icv; struct scatterlist sg; @@ -154,7 +168,7 @@ static int prism2_wep_encrypt(struct sk_buff *skb, int hdr_len, void *priv) icv[2] = crc >> 16; icv[3] = crc >> 24; - crypto_blkcipher_setkey(wep->tfm, key, klen); + crypto_blkcipher_setkey(wep->tx_tfm, key, klen); sg.page = virt_to_page(pos); sg.offset = offset_in_page(pos); sg.length = len + 4; @@ -171,7 +185,7 @@ static int prism2_wep_encrypt(struct sk_buff *skb, int hdr_len, void *priv) static int prism2_wep_decrypt(struct sk_buff *skb, int hdr_len, void *priv) { struct prism2_wep_data *wep = priv; - struct blkcipher_desc desc = { .tfm = wep->tfm }; + struct blkcipher_desc desc = { .tfm = wep->rx_tfm }; u32 crc, klen, plen; u8 key[WEP_KEY_LEN + 3]; u8 keyidx, *pos, icv[4]; @@ -196,7 +210,7 @@ static int prism2_wep_decrypt(struct sk_buff *skb, int hdr_len, void *priv) /* Apply RC4 to data and compute CRC32 over decrypted data */ plen = skb->len - hdr_len - 8; - crypto_blkcipher_setkey(wep->tfm, key, klen); + crypto_blkcipher_setkey(wep->rx_tfm, key, klen); sg.page = virt_to_page(pos); sg.offset = offset_in_page(pos); sg.length = plen + 4; |