/* Device methods */
/********************************************************************/
-static int orinoco_open(struct net_device *dev)
+int orinoco_open(struct net_device *dev)
{
struct orinoco_private *priv = ndev_priv(dev);
unsigned long flags;
return err;
}
+EXPORT_SYMBOL(orinoco_open);
-static int orinoco_stop(struct net_device *dev)
+int orinoco_stop(struct net_device *dev)
{
struct orinoco_private *priv = ndev_priv(dev);
int err = 0;
/* We mustn't use orinoco_lock() here, because we need to be
able to close the interface even if hw_unavailable is set
(e.g. as we're released after a PC Card removal) */
- spin_lock_irq(&priv->lock);
+ orinoco_lock_irq(priv);
priv->open = 0;
err = __orinoco_down(priv);
- spin_unlock_irq(&priv->lock);
+ orinoco_unlock_irq(priv);
return err;
}
+EXPORT_SYMBOL(orinoco_stop);
-static struct net_device_stats *orinoco_get_stats(struct net_device *dev)
+struct net_device_stats *orinoco_get_stats(struct net_device *dev)
{
struct orinoco_private *priv = ndev_priv(dev);
return &priv->stats;
}
+EXPORT_SYMBOL(orinoco_get_stats);
-static void orinoco_set_multicast_list(struct net_device *dev)
+void orinoco_set_multicast_list(struct net_device *dev)
{
struct orinoco_private *priv = ndev_priv(dev);
unsigned long flags;
__orinoco_set_multicast_list(dev);
orinoco_unlock(priv, &flags);
}
+EXPORT_SYMBOL(orinoco_set_multicast_list);
-static int orinoco_change_mtu(struct net_device *dev, int new_mtu)
+int orinoco_change_mtu(struct net_device *dev, int new_mtu)
{
struct orinoco_private *priv = ndev_priv(dev);
return 0;
}
+EXPORT_SYMBOL(orinoco_change_mtu);
/********************************************************************/
/* Tx path */
/********************************************************************/
+/* Add encapsulation and MIC to the existing SKB.
+ * The main xmit routine will then send the whole lot to the card.
+ * Need 8 bytes headroom
+ * Need 8 bytes tailroom
+ *
+ * With encapsulated ethernet II frame
+ * --------
+ * 803.3 header (14 bytes)
+ * dst[6]
+ * -------- src[6]
+ * 803.3 header (14 bytes) len[2]
+ * dst[6] 803.2 header (8 bytes)
+ * src[6] encaps[6]
+ * len[2] <- leave alone -> len[2]
+ * -------- -------- <-- 0
+ * Payload Payload
+ * ... ...
+ *
+ * -------- --------
+ * MIC (8 bytes)
+ * --------
+ *
+ * returns 0 on success, -ENOMEM on error.
+ */
+int orinoco_process_xmit_skb(struct sk_buff *skb,
+ struct net_device *dev,
+ struct orinoco_private *priv,
+ int *tx_control,
+ u8 *mic_buf)
+{
+ struct orinoco_tkip_key *key;
+ struct ethhdr *eh;
+ int do_mic;
+
+ key = (struct orinoco_tkip_key *) priv->keys[priv->tx_key].key;
+
+ do_mic = ((priv->encode_alg == ORINOCO_ALG_TKIP) &&
+ (key != NULL));
+
+ if (do_mic)
+ *tx_control |= (priv->tx_key << HERMES_MIC_KEY_ID_SHIFT) |
+ HERMES_TXCTRL_MIC;
+
+ eh = (struct ethhdr *)skb->data;
+
+ /* Encapsulate Ethernet-II frames */
+ if (ntohs(eh->h_proto) > ETH_DATA_LEN) { /* Ethernet-II frame */
+ struct header_struct {
+ struct ethhdr eth; /* 802.3 header */
+ u8 encap[6]; /* 802.2 header */
+ } __attribute__ ((packed)) hdr;
+ int len = skb->len + sizeof(encaps_hdr) - (2 * ETH_ALEN);
+
+ if (skb_headroom(skb) < ENCAPS_OVERHEAD) {
+ if (net_ratelimit())
+ printk(KERN_ERR
+ "%s: Not enough headroom for 802.2 headers %d\n",
+ dev->name, skb_headroom(skb));
+ return -ENOMEM;
+ }
+
+ /* Fill in new header */
+ memcpy(&hdr.eth, eh, 2 * ETH_ALEN);
+ hdr.eth.h_proto = htons(len);
+ memcpy(hdr.encap, encaps_hdr, sizeof(encaps_hdr));
+
+ /* Make room for the new header, and copy it in */
+ eh = (struct ethhdr *) skb_push(skb, ENCAPS_OVERHEAD);
+ memcpy(eh, &hdr, sizeof(hdr));
+ }
+
+ /* Calculate Michael MIC */
+ if (do_mic) {
+ size_t len = skb->len - ETH_HLEN;
+ u8 *mic = &mic_buf[0];
+
+ /* Have to write to an even address, so copy the spare
+ * byte across */
+ if (skb->len % 2) {
+ *mic = skb->data[skb->len - 1];
+ mic++;
+ }
+
+ orinoco_mic(priv->tx_tfm_mic, key->tx_mic,
+ eh->h_dest, eh->h_source, 0 /* priority */,
+ skb->data + ETH_HLEN,
+ len, mic);
+ }
+
+ return 0;
+}
+EXPORT_SYMBOL(orinoco_process_xmit_skb);
+
static netdev_tx_t orinoco_xmit(struct sk_buff *skb, struct net_device *dev)
{
struct orinoco_private *priv = ndev_priv(dev);
struct net_device_stats *stats = &priv->stats;
- struct orinoco_tkip_key *key;
hermes_t *hw = &priv->hw;
int err = 0;
u16 txfid = priv->txfid;
- struct ethhdr *eh;
int tx_control;
unsigned long flags;
- int do_mic;
+ u8 mic_buf[MICHAEL_MIC_LEN+1];
if (!netif_running(dev)) {
printk(KERN_ERR "%s: Tx on stopped device!\n",
if (skb->len < ETH_HLEN)
goto drop;
- key = (struct orinoco_tkip_key *) priv->keys[priv->tx_key].key;
-
- do_mic = ((priv->encode_alg == ORINOCO_ALG_TKIP) &&
- (key != NULL));
-
tx_control = HERMES_TXCTRL_TX_OK | HERMES_TXCTRL_TX_EX;
- if (do_mic)
- tx_control |= (priv->tx_key << HERMES_MIC_KEY_ID_SHIFT) |
- HERMES_TXCTRL_MIC;
+ err = orinoco_process_xmit_skb(skb, dev, priv, &tx_control,
+ &mic_buf[0]);
+ if (err)
+ goto drop;
if (priv->has_alt_txcntl) {
/* WPA enabled firmwares have tx_cntl at the end of
memset(&desc, 0, sizeof(desc));
*txcntl = cpu_to_le16(tx_control);
- err = hermes_bap_pwrite(hw, USER_BAP, &desc, sizeof(desc),
- txfid, 0);
+ err = hw->ops->bap_pwrite(hw, USER_BAP, &desc, sizeof(desc),
+ txfid, 0);
if (err) {
if (net_ratelimit())
printk(KERN_ERR "%s: Error %d writing Tx "
memset(&desc, 0, sizeof(desc));
desc.tx_control = cpu_to_le16(tx_control);
- err = hermes_bap_pwrite(hw, USER_BAP, &desc, sizeof(desc),
- txfid, 0);
+ err = hw->ops->bap_pwrite(hw, USER_BAP, &desc, sizeof(desc),
+ txfid, 0);
if (err) {
if (net_ratelimit())
printk(KERN_ERR "%s: Error %d writing Tx "
HERMES_802_3_OFFSET - HERMES_802_11_OFFSET);
}
- eh = (struct ethhdr *)skb->data;
-
- /* Encapsulate Ethernet-II frames */
- if (ntohs(eh->h_proto) > ETH_DATA_LEN) { /* Ethernet-II frame */
- struct header_struct {
- struct ethhdr eth; /* 802.3 header */
- u8 encap[6]; /* 802.2 header */
- } __attribute__ ((packed)) hdr;
-
- /* Strip destination and source from the data */
- skb_pull(skb, 2 * ETH_ALEN);
-
- /* And move them to a separate header */
- memcpy(&hdr.eth, eh, 2 * ETH_ALEN);
- hdr.eth.h_proto = htons(sizeof(encaps_hdr) + skb->len);
- memcpy(hdr.encap, encaps_hdr, sizeof(encaps_hdr));
-
- /* Insert the SNAP header */
- if (skb_headroom(skb) < sizeof(hdr)) {
- printk(KERN_ERR
- "%s: Not enough headroom for 802.2 headers %d\n",
- dev->name, skb_headroom(skb));
- goto drop;
- }
- eh = (struct ethhdr *) skb_push(skb, sizeof(hdr));
- memcpy(eh, &hdr, sizeof(hdr));
- }
-
- err = hermes_bap_pwrite(hw, USER_BAP, skb->data, skb->len,
- txfid, HERMES_802_3_OFFSET);
+ err = hw->ops->bap_pwrite(hw, USER_BAP, skb->data, skb->len,
+ txfid, HERMES_802_3_OFFSET);
if (err) {
printk(KERN_ERR "%s: Error %d writing packet to BAP\n",
dev->name, err);
goto busy;
}
- /* Calculate Michael MIC */
- if (do_mic) {
- u8 mic_buf[MICHAEL_MIC_LEN + 1];
- u8 *mic;
- size_t offset;
- size_t len;
+ if (tx_control & HERMES_TXCTRL_MIC) {
+ size_t offset = HERMES_802_3_OFFSET + skb->len;
+ size_t len = MICHAEL_MIC_LEN;
- if (skb->len % 2) {
- /* MIC start is on an odd boundary */
- mic_buf[0] = skb->data[skb->len - 1];
- mic = &mic_buf[1];
- offset = skb->len - 1;
- len = MICHAEL_MIC_LEN + 1;
- } else {
- mic = &mic_buf[0];
- offset = skb->len;
- len = MICHAEL_MIC_LEN;
+ if (offset % 2) {
+ offset--;
+ len++;
}
-
- orinoco_mic(priv->tx_tfm_mic, key->tx_mic,
- eh->h_dest, eh->h_source, 0 /* priority */,
- skb->data + ETH_HLEN, skb->len - ETH_HLEN, mic);
-
- /* Write the MIC */
- err = hermes_bap_pwrite(hw, USER_BAP, &mic_buf[0], len,
- txfid, HERMES_802_3_OFFSET + offset);
+ err = hw->ops->bap_pwrite(hw, USER_BAP, &mic_buf[0], len,
+ txfid, offset);
if (err) {
printk(KERN_ERR "%s: Error %d writing MIC to BAP\n",
dev->name, err);
/* Finally, we actually initiate the send */
netif_stop_queue(dev);
- err = hermes_docmd_wait(hw, HERMES_CMD_TX | HERMES_CMD_RECL,
+ err = hw->ops->cmd_wait(hw, HERMES_CMD_TX | HERMES_CMD_RECL,
txfid, NULL);
if (err) {
netif_start_queue(dev);
goto busy;
}
- dev->trans_start = jiffies;
stats->tx_bytes += HERMES_802_3_OFFSET + skb->len;
goto ok;
return; /* Nothing's really happened */
/* Read part of the frame header - we need status and addr1 */
- err = hermes_bap_pread(hw, IRQ_BAP, &hdr,
- sizeof(struct hermes_txexc_data),
- fid, 0);
+ err = hw->ops->bap_pread(hw, IRQ_BAP, &hdr,
+ sizeof(struct hermes_txexc_data),
+ fid, 0);
hermes_write_regn(hw, TXCOMPLFID, DUMMY_FID);
stats->tx_errors++;
netif_wake_queue(dev);
}
-static void orinoco_tx_timeout(struct net_device *dev)
+void orinoco_tx_timeout(struct net_device *dev)
{
struct orinoco_private *priv = ndev_priv(dev);
struct net_device_stats *stats = &priv->stats;
schedule_work(&priv->reset_work);
}
+EXPORT_SYMBOL(orinoco_tx_timeout);
/********************************************************************/
/* Rx path (data frames) */
/* If any, copy the data from the card to the skb */
if (datalen > 0) {
- err = hermes_bap_pread(hw, IRQ_BAP, skb_put(skb, datalen),
- ALIGN(datalen, 2), rxfid,
- HERMES_802_2_OFFSET);
+ err = hw->ops->bap_pread(hw, IRQ_BAP, skb_put(skb, datalen),
+ ALIGN(datalen, 2), rxfid,
+ HERMES_802_2_OFFSET);
if (err) {
printk(KERN_ERR "%s: error %d reading monitor frame\n",
dev->name, err);
stats->rx_dropped++;
}
-static void __orinoco_ev_rx(struct net_device *dev, hermes_t *hw)
+void __orinoco_ev_rx(struct net_device *dev, hermes_t *hw)
{
struct orinoco_private *priv = ndev_priv(dev);
struct net_device_stats *stats = &priv->stats;
rxfid = hermes_read_regn(hw, RXFID);
- err = hermes_bap_pread(hw, IRQ_BAP, desc, sizeof(*desc),
- rxfid, 0);
+ err = hw->ops->bap_pread(hw, IRQ_BAP, desc, sizeof(*desc),
+ rxfid, 0);
if (err) {
printk(KERN_ERR "%s: error %d reading Rx descriptor. "
"Frame dropped.\n", dev->name, err);
nothing is removed. 2 is for aligning the IP header. */
skb_reserve(skb, ETH_HLEN + 2);
- err = hermes_bap_pread(hw, IRQ_BAP, skb_put(skb, length),
- ALIGN(length, 2), rxfid,
- HERMES_802_2_OFFSET);
+ err = hw->ops->bap_pread(hw, IRQ_BAP, skb_put(skb, length),
+ ALIGN(length, 2), rxfid,
+ HERMES_802_2_OFFSET);
if (err) {
printk(KERN_ERR "%s: error %d reading frame. "
"Frame dropped.\n", dev->name, err);
out:
kfree(desc);
}
+EXPORT_SYMBOL(__orinoco_ev_rx);
static void orinoco_rx(struct net_device *dev,
struct hermes_rx_descriptor *desc,
goto out;
/* Read scan results from the firmware */
- err = hermes_read_ltv(hw, USER_BAP,
- HERMES_RID_SCANRESULTSTABLE,
- MAX_SCAN_LEN, &len, buf);
+ err = hw->ops->read_ltv(hw, USER_BAP,
+ HERMES_RID_SCANRESULTSTABLE,
+ MAX_SCAN_LEN, &len, buf);
if (err) {
printk(KERN_ERR "%s: Cannot read scan results\n",
dev->name);
union iwreq_data wrqu;
int err;
- err = hermes_read_ltv(hw, USER_BAP, HERMES_RID_CURRENTBSSID,
- ETH_ALEN, NULL, wrqu.ap_addr.sa_data);
+ err = hw->ops->read_ltv(hw, USER_BAP, HERMES_RID_CURRENTBSSID,
+ ETH_ALEN, NULL, wrqu.ap_addr.sa_data);
if (err != 0)
return;
if (!priv->has_wpa)
return;
- err = hermes_read_ltv(hw, USER_BAP, HERMES_RID_CURRENT_ASSOC_REQ_INFO,
- sizeof(buf), NULL, &buf);
+ err = hw->ops->read_ltv(hw, USER_BAP, HERMES_RID_CURRENT_ASSOC_REQ_INFO,
+ sizeof(buf), NULL, &buf);
if (err != 0)
return;
if (!priv->has_wpa)
return;
- err = hermes_read_ltv(hw, USER_BAP, HERMES_RID_CURRENT_ASSOC_RESP_INFO,
- sizeof(buf), NULL, &buf);
+ err = hw->ops->read_ltv(hw, USER_BAP,
+ HERMES_RID_CURRENT_ASSOC_RESP_INFO,
+ sizeof(buf), NULL, &buf);
if (err != 0)
return;
spin_unlock_irqrestore(&priv->scan_lock, flags);
}
-static void __orinoco_ev_info(struct net_device *dev, hermes_t *hw)
+void __orinoco_ev_info(struct net_device *dev, hermes_t *hw)
{
struct orinoco_private *priv = ndev_priv(dev);
u16 infofid;
infofid = hermes_read_regn(hw, INFOFID);
/* Read the info frame header - don't try too hard */
- err = hermes_bap_pread(hw, IRQ_BAP, &info, sizeof(info),
- infofid, 0);
+ err = hw->ops->bap_pread(hw, IRQ_BAP, &info, sizeof(info),
+ infofid, 0);
if (err) {
printk(KERN_ERR "%s: error %d reading info frame. "
"Frame dropped.\n", dev->name, err);
len = sizeof(tallies);
}
- err = hermes_bap_pread(hw, IRQ_BAP, &tallies, len,
- infofid, sizeof(info));
+ err = hw->ops->bap_pread(hw, IRQ_BAP, &tallies, len,
+ infofid, sizeof(info));
if (err)
break;
break;
}
- err = hermes_bap_pread(hw, IRQ_BAP, &linkstatus, len,
- infofid, sizeof(info));
+ err = hw->ops->bap_pread(hw, IRQ_BAP, &linkstatus, len,
+ infofid, sizeof(info));
if (err)
break;
newstatus = le16_to_cpu(linkstatus.linkstatus);
}
/* Read scan data */
- err = hermes_bap_pread(hw, IRQ_BAP, (void *) buf, len,
- infofid, sizeof(info));
+ err = hw->ops->bap_pread(hw, IRQ_BAP, (void *) buf, len,
+ infofid, sizeof(info));
if (err) {
kfree(buf);
qabort_scan(priv);
break;
/* Read scan data */
- err = hermes_bap_pread(hw, IRQ_BAP, (void *) bss, len,
- infofid, sizeof(info));
+ err = hw->ops->bap_pread(hw, IRQ_BAP, (void *) bss, len,
+ infofid, sizeof(info));
if (err)
kfree(bss);
else
/* We don't actually do anything about it */
break;
}
-
- return;
}
+EXPORT_SYMBOL(__orinoco_ev_info);
static void __orinoco_ev_infdrop(struct net_device *dev, hermes_t *hw)
{
struct hermes *hw = &priv->hw;
int err;
- err = hermes_init(hw);
+ err = hw->ops->init(hw);
if (priv->do_fw_download && !err) {
err = orinoco_download(priv);
if (err)
}
/* This has to be called from user context */
- spin_lock_irq(&priv->lock);
+ orinoco_lock_irq(priv);
priv->hw_unavailable--;
dev->trans_start = jiffies;
}
- spin_unlock_irq(&priv->lock);
+ orinoco_unlock_irq(priv);
return;
disable:
priv->nicbuf_size = IEEE80211_MAX_FRAME_LEN + ETH_HLEN;
/* Initialize the firmware */
- err = hermes_init(hw);
+ err = hw->ops->init(hw);
if (err != 0) {
dev_err(dev, "Failed to initialize firmware (err = %d)\n",
err);
/* Make the hardware available, as long as it hasn't been
* removed elsewhere (e.g. by PCMCIA hot unplug) */
- spin_lock_irq(&priv->lock);
+ orinoco_lock_irq(priv);
priv->hw_unavailable--;
- spin_unlock_irq(&priv->lock);
+ orinoco_unlock_irq(priv);
dev_dbg(dev, "Ready\n");
*/
int orinoco_if_add(struct orinoco_private *priv,
unsigned long base_addr,
- unsigned int irq)
+ unsigned int irq,
+ const struct net_device_ops *ops)
{
struct wiphy *wiphy = priv_to_wiphy(priv);
struct wireless_dev *wdev;
/* Setup / override net_device fields */
dev->ieee80211_ptr = wdev;
- dev->netdev_ops = &orinoco_netdev_ops;
dev->watchdog_timeo = HZ; /* 1 second timeout */
dev->wireless_handlers = &orinoco_handler_def;
#ifdef WIRELESS_SPY
dev->wireless_data = &priv->wireless_data;
#endif
+ /* Default to standard ops if not set */
+ if (ops)
+ dev->netdev_ops = ops;
+ else
+ dev->netdev_ops = &orinoco_netdev_ops;
+
/* we use the default eth_mac_addr for setting the MAC addr */
/* Reserve space in skb for the SNAP header */
- dev->hard_header_len += ENCAPS_OVERHEAD;
+ dev->needed_headroom = ENCAPS_OVERHEAD;
netif_carrier_off(dev);
unsigned long flags;
int err;
- spin_lock_irqsave(&priv->lock, flags);
+ priv->hw.ops->lock_irqsave(&priv->lock, &flags);
err = orinoco_reinit_firmware(priv);
if (err) {
}
exit:
- spin_unlock_irqrestore(&priv->lock, flags);
+ priv->hw.ops->unlock_irqrestore(&priv->lock, &flags);
return 0;
}
unsigned long flags;
int err;
- spin_lock_irqsave(&priv->lock, flags);
+ priv->hw.ops->lock_irqsave(&priv->lock, &flags);
err = __orinoco_down(priv);
if (err)
printk(KERN_WARNING "%s: Error %d downing interface\n",
netif_device_detach(dev);
priv->hw_unavailable++;
- spin_unlock_irqrestore(&priv->lock, flags);
+ priv->hw.ops->unlock_irqrestore(&priv->lock, &flags);
}
EXPORT_SYMBOL(orinoco_down);
projects / linux-flexiantxendom0-3.2.10.git / blobdiff