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path: root/drivers/net/wireless/p54
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Diffstat (limited to 'drivers/net/wireless/p54')
-rw-r--r--drivers/net/wireless/p54/p54common.c60
-rw-r--r--drivers/net/wireless/p54/p54usb.c43
2 files changed, 70 insertions, 33 deletions
diff --git a/drivers/net/wireless/p54/p54common.c b/drivers/net/wireless/p54/p54common.c
index 82354b974a0..34561e6e816 100644
--- a/drivers/net/wireless/p54/p54common.c
+++ b/drivers/net/wireless/p54/p54common.c
@@ -138,6 +138,7 @@ int p54_parse_firmware(struct ieee80211_hw *dev, const struct firmware *fw)
u8 *fw_version = NULL;
size_t len;
int i;
+ int maxlen;
if (priv->rx_start)
return 0;
@@ -195,6 +196,16 @@ int p54_parse_firmware(struct ieee80211_hw *dev, const struct firmware *fw)
else
priv->rx_mtu = (size_t)
0x620 - priv->tx_hdr_len;
+ maxlen = priv->tx_hdr_len + /* USB devices */
+ sizeof(struct p54_rx_data) +
+ 4 + /* rx alignment */
+ IEEE80211_MAX_FRAG_THRESHOLD;
+ if (priv->rx_mtu > maxlen && PAGE_SIZE == 4096) {
+ printk(KERN_INFO "p54: rx_mtu reduced from %d "
+ "to %d\n", priv->rx_mtu,
+ maxlen);
+ priv->rx_mtu = maxlen;
+ }
break;
}
case BR_CODE_EXPOSED_IF:
@@ -440,8 +451,8 @@ static int p54_parse_eeprom(struct ieee80211_hw *dev, void *eeprom, int len)
}
if (err)
goto err;
-
- }
+ }
+ break;
case PDR_PRISM_ZIF_TX_IQ_CALIBRATION:
priv->iq_autocal = kmalloc(data_len, GFP_KERNEL);
if (!priv->iq_autocal) {
@@ -575,6 +586,7 @@ static int p54_rx_data(struct ieee80211_hw *dev, struct sk_buff *skb)
u16 freq = le16_to_cpu(hdr->freq);
size_t header_len = sizeof(*hdr);
u32 tsf32;
+ u8 rate = hdr->rate & 0xf;
/*
* If the device is in a unspecified state we have to
@@ -603,8 +615,11 @@ static int p54_rx_data(struct ieee80211_hw *dev, struct sk_buff *skb)
rx_status.qual = (100 * hdr->rssi) / 127;
if (hdr->rate & 0x10)
rx_status.flag |= RX_FLAG_SHORTPRE;
- rx_status.rate_idx = (dev->conf.channel->band == IEEE80211_BAND_2GHZ ?
- hdr->rate : (hdr->rate - 4)) & 0xf;
+ if (dev->conf.channel->band == IEEE80211_BAND_5GHZ)
+ rx_status.rate_idx = (rate < 4) ? 0 : rate - 4;
+ else
+ rx_status.rate_idx = rate;
+
rx_status.freq = freq;
rx_status.band = dev->conf.channel->band;
rx_status.antenna = hdr->antenna;
@@ -730,7 +745,7 @@ static void p54_rx_frame_sent(struct ieee80211_hw *dev, struct sk_buff *skb)
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(entry);
struct p54_hdr *entry_hdr;
struct p54_tx_data *entry_data;
- int pad = 0;
+ unsigned int pad = 0, frame_len;
range = (void *)info->rate_driver_data;
if (range->start_addr != addr) {
@@ -753,6 +768,7 @@ static void p54_rx_frame_sent(struct ieee80211_hw *dev, struct sk_buff *skb)
__skb_unlink(entry, &priv->tx_queue);
spin_unlock_irqrestore(&priv->tx_queue.lock, flags);
+ frame_len = entry->len;
entry_hdr = (struct p54_hdr *) entry->data;
entry_data = (struct p54_tx_data *) entry_hdr->data;
priv->tx_stats[entry_data->hw_queue].len--;
@@ -798,6 +814,29 @@ static void p54_rx_frame_sent(struct ieee80211_hw *dev, struct sk_buff *skb)
info->flags |= IEEE80211_TX_STAT_TX_FILTERED;
info->status.ack_signal = p54_rssi_to_dbm(dev,
(int)payload->ack_rssi);
+
+ /* Undo all changes to the frame. */
+ switch (entry_data->key_type) {
+ case P54_CRYPTO_TKIPMICHAEL: {
+ u8 *iv = (u8 *)(entry_data->align + pad +
+ entry_data->crypt_offset);
+
+ /* Restore the original TKIP IV. */
+ iv[2] = iv[0];
+ iv[0] = iv[1];
+ iv[1] = (iv[0] | 0x20) & 0x7f; /* WEPSeed - 8.3.2.2 */
+
+ frame_len -= 12; /* remove TKIP_MMIC + TKIP_ICV */
+ break;
+ }
+ case P54_CRYPTO_AESCCMP:
+ frame_len -= 8; /* remove CCMP_MIC */
+ break;
+ case P54_CRYPTO_WEP:
+ frame_len -= 4; /* remove WEP_ICV */
+ break;
+ }
+ skb_trim(entry, frame_len);
skb_pull(entry, sizeof(*hdr) + pad + sizeof(*entry_data));
ieee80211_tx_status_irqsafe(dev, entry);
goto out;
@@ -1122,7 +1161,7 @@ static int p54_set_tim(struct ieee80211_hw *dev, struct ieee80211_sta *sta,
skb = p54_alloc_skb(dev, P54_HDR_FLAG_CONTROL_OPSET,
sizeof(struct p54_hdr) + sizeof(*tim),
- P54_CONTROL_TYPE_TIM, GFP_KERNEL);
+ P54_CONTROL_TYPE_TIM, GFP_ATOMIC);
if (!skb)
return -ENOMEM;
@@ -1383,7 +1422,6 @@ static int p54_tx(struct ieee80211_hw *dev, struct sk_buff *skb)
hdr->tries = ridx;
txhdr->rts_rate_idx = 0;
if (info->control.hw_key) {
- crypt_offset += info->control.hw_key->iv_len;
txhdr->key_type = p54_convert_algo(info->control.hw_key->alg);
txhdr->key_len = min((u8)16, info->control.hw_key->keylen);
memcpy(txhdr->key, info->control.hw_key->key, txhdr->key_len);
@@ -1397,6 +1435,8 @@ static int p54_tx(struct ieee80211_hw *dev, struct sk_buff *skb)
}
/* reserve some space for ICV */
len += info->control.hw_key->icv_len;
+ memset(skb_put(skb, info->control.hw_key->icv_len), 0,
+ info->control.hw_key->icv_len);
} else {
txhdr->key_type = 0;
txhdr->key_len = 0;
@@ -1584,7 +1624,7 @@ static int p54_scan(struct ieee80211_hw *dev, u16 mode, u16 dwell)
err:
printk(KERN_ERR "%s: frequency change failed\n", wiphy_name(dev->wiphy));
- kfree_skb(skb);
+ p54_free_skb(dev, skb);
return -EINVAL;
}
@@ -1824,7 +1864,7 @@ static void p54_remove_interface(struct ieee80211_hw *dev,
static int p54_config(struct ieee80211_hw *dev, u32 changed)
{
- int ret;
+ int ret = 0;
struct p54_common *priv = dev->priv;
struct ieee80211_conf *conf = &dev->conf;
@@ -2051,7 +2091,7 @@ static int p54_set_key(struct ieee80211_hw *dev, enum set_key_cmd cmd,
algo = P54_CRYPTO_AESCCMP;
break;
default:
- return -EINVAL;
+ return -EOPNOTSUPP;
}
}
diff --git a/drivers/net/wireless/p54/p54usb.c b/drivers/net/wireless/p54/p54usb.c
index c44a200059d..5de2ebfb28c 100644
--- a/drivers/net/wireless/p54/p54usb.c
+++ b/drivers/net/wireless/p54/p54usb.c
@@ -56,6 +56,7 @@ static struct usb_device_id p54u_table[] __devinitdata = {
{USB_DEVICE(0x050d, 0x7050)}, /* Belkin F5D7050 ver 1000 */
{USB_DEVICE(0x0572, 0x2000)}, /* Cohiba Proto board */
{USB_DEVICE(0x0572, 0x2002)}, /* Cohiba Proto board */
+ {USB_DEVICE(0x06b9, 0x0121)}, /* Thomson SpeedTouch 121g */
{USB_DEVICE(0x0707, 0xee13)}, /* SMC 2862W-G version 2 */
{USB_DEVICE(0x083a, 0x4521)}, /* Siemens Gigaset USB Adapter 54 version 2 */
{USB_DEVICE(0x0846, 0x4240)}, /* Netgear WG111 (v2) */
@@ -143,11 +144,8 @@ static void p54u_tx_cb(struct urb *urb)
struct sk_buff *skb = urb->context;
struct ieee80211_hw *dev = (struct ieee80211_hw *)
usb_get_intfdata(usb_ifnum_to_if(urb->dev, 0));
- struct p54u_priv *priv = dev->priv;
- skb_pull(skb, priv->common.tx_hdr_len);
- if (FREE_AFTER_TX(skb))
- p54_free_skb(dev, skb);
+ p54_free_skb(dev, skb);
}
static void p54u_tx_dummy_cb(struct urb *urb) { }
@@ -229,7 +227,10 @@ static void p54u_tx_3887(struct ieee80211_hw *dev, struct sk_buff *skb)
p54u_tx_dummy_cb, dev);
usb_fill_bulk_urb(data_urb, priv->udev,
usb_sndbulkpipe(priv->udev, P54U_PIPE_DATA),
- skb->data, skb->len, p54u_tx_cb, skb);
+ skb->data, skb->len, FREE_AFTER_TX(skb) ?
+ p54u_tx_cb : p54u_tx_dummy_cb, skb);
+ addr_urb->transfer_flags |= URB_ZERO_PACKET;
+ data_urb->transfer_flags |= URB_ZERO_PACKET;
usb_anchor_urb(addr_urb, &priv->submitted);
err = usb_submit_urb(addr_urb, GFP_ATOMIC);
@@ -238,7 +239,7 @@ static void p54u_tx_3887(struct ieee80211_hw *dev, struct sk_buff *skb)
goto out;
}
- usb_anchor_urb(addr_urb, &priv->submitted);
+ usb_anchor_urb(data_urb, &priv->submitted);
err = usb_submit_urb(data_urb, GFP_ATOMIC);
if (err)
usb_unanchor_urb(data_urb);
@@ -268,27 +269,24 @@ static void p54u_tx_lm87(struct ieee80211_hw *dev, struct sk_buff *skb)
{
struct p54u_priv *priv = dev->priv;
struct urb *data_urb;
- struct lm87_tx_hdr *hdr;
- __le32 checksum;
- __le32 addr = ((struct p54_hdr *)skb->data)->req_id;
+ struct lm87_tx_hdr *hdr = (void *)skb->data - sizeof(*hdr);
data_urb = usb_alloc_urb(0, GFP_ATOMIC);
if (!data_urb)
return;
- checksum = p54u_lm87_chksum((__le32 *)skb->data, skb->len);
- hdr = (struct lm87_tx_hdr *)skb_push(skb, sizeof(*hdr));
- hdr->chksum = checksum;
- hdr->device_addr = addr;
+ hdr->chksum = p54u_lm87_chksum((__le32 *)skb->data, skb->len);
+ hdr->device_addr = ((struct p54_hdr *)skb->data)->req_id;
usb_fill_bulk_urb(data_urb, priv->udev,
usb_sndbulkpipe(priv->udev, P54U_PIPE_DATA),
- skb->data, skb->len, p54u_tx_cb, skb);
+ hdr, skb->len + sizeof(*hdr), FREE_AFTER_TX(skb) ?
+ p54u_tx_cb : p54u_tx_dummy_cb, skb);
+ data_urb->transfer_flags |= URB_ZERO_PACKET;
usb_anchor_urb(data_urb, &priv->submitted);
if (usb_submit_urb(data_urb, GFP_ATOMIC)) {
usb_unanchor_urb(data_urb);
- skb_pull(skb, sizeof(*hdr));
p54_free_skb(dev, skb);
}
usb_free_urb(data_urb);
@@ -298,11 +296,9 @@ static void p54u_tx_net2280(struct ieee80211_hw *dev, struct sk_buff *skb)
{
struct p54u_priv *priv = dev->priv;
struct urb *int_urb, *data_urb;
- struct net2280_tx_hdr *hdr;
+ struct net2280_tx_hdr *hdr = (void *)skb->data - sizeof(*hdr);
struct net2280_reg_write *reg;
int err = 0;
- __le32 addr = ((struct p54_hdr *) skb->data)->req_id;
- __le16 len = cpu_to_le16(skb->len);
reg = kmalloc(sizeof(*reg), GFP_ATOMIC);
if (!reg)
@@ -325,10 +321,9 @@ static void p54u_tx_net2280(struct ieee80211_hw *dev, struct sk_buff *skb)
reg->addr = cpu_to_le32(P54U_DEV_BASE);
reg->val = cpu_to_le32(ISL38XX_DEV_INT_DATA);
- hdr = (void *)skb_push(skb, sizeof(*hdr));
memset(hdr, 0, sizeof(*hdr));
- hdr->len = len;
- hdr->device_addr = addr;
+ hdr->len = cpu_to_le16(skb->len);
+ hdr->device_addr = ((struct p54_hdr *) skb->data)->req_id;
usb_fill_bulk_urb(int_urb, priv->udev,
usb_sndbulkpipe(priv->udev, P54U_PIPE_DEV), reg, sizeof(*reg),
@@ -339,11 +334,13 @@ static void p54u_tx_net2280(struct ieee80211_hw *dev, struct sk_buff *skb)
* free what's inside the transfer_buffer after the callback routine
* has completed.
*/
- int_urb->transfer_flags |= URB_FREE_BUFFER;
+ int_urb->transfer_flags |= URB_FREE_BUFFER | URB_ZERO_PACKET;
usb_fill_bulk_urb(data_urb, priv->udev,
usb_sndbulkpipe(priv->udev, P54U_PIPE_DATA),
- skb->data, skb->len, p54u_tx_cb, skb);
+ hdr, skb->len + sizeof(*hdr), FREE_AFTER_TX(skb) ?
+ p54u_tx_cb : p54u_tx_dummy_cb, skb);
+ data_urb->transfer_flags |= URB_ZERO_PACKET;
usb_anchor_urb(int_urb, &priv->submitted);
err = usb_submit_urb(int_urb, GFP_ATOMIC);
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-18 08:25:32 +0000