int hermes_write_ltv(hermes_t *hw, int bap, u16 rid,
u16 length, const void *value)
{
int dreg = bap ? HERMES_DATA1 : HERMES_DATA0;
int err = 0;
hermes_response_t resp;
int count;
DEBUG(3, "write_ltv(): bap=%d rid=0x%04x length=%d (value=0x%04x)\n",
bap, rid, length, * ((u16 *)value));
err = hermes_bap_seek(hw, bap, rid, 0);
if (err)
goto out;
hermes_write_reg(hw, dreg, length);
hermes_write_reg(hw, dreg, rid);
count = length - 1;
hermes_write_words(hw, dreg, value, count);
err = hermes_docmd_wait(hw, HERMES_CMD_ACCESS | HERMES_CMD_WRITE,
rid, &resp);
out:
return err;
}
int hermes_write_ltv(hermes_t *hw, int bap, u16 rid,
u16 length, const void *value)
{
int dreg = bap ? HERMES_DATA1 : HERMES_DATA0;
int err = 0;
unsigned count;
if (length == 0)
return -EINVAL;
err = hermes_bap_seek(hw, bap, rid, 0);
if (err)
return err;
hermes_write_reg(hw, dreg, length);
hermes_write_reg(hw, dreg, rid);
count = length - 1;
hermes_write_words(hw, dreg, value, count);
err = hermes_docmd_wait(hw, HERMES_CMD_ACCESS | HERMES_CMD_WRITE,
rid, NULL);
return err;
}
static int orinoco_ioctl_setfreq(struct net_device *dev,
struct iw_request_info *info,
struct iw_freq *frq,
char *extra)
{
struct orinoco_private *priv = ndev_priv(dev);
int chan = -1;
unsigned long flags;
int err = -EINPROGRESS; /* Call commit handler */
/* In infrastructure mode the AP sets the channel */
if (priv->iw_mode == NL80211_IFTYPE_STATION)
return -EBUSY;
if ((frq->e == 0) && (frq->m <= 1000)) {
/* Setting by channel number */
chan = frq->m;
} else {
/* Setting by frequency */
int denom = 1;
int i;
/* Calculate denominator to rescale to MHz */
for (i = 0; i < (6 - frq->e); i++)
denom *= 10;
chan = ieee80211_freq_to_dsss_chan(frq->m / denom);
}
if ((chan < 1) || (chan > NUM_CHANNELS) ||
!(priv->channel_mask & (1 << (chan-1))))
return -EINVAL;
if (orinoco_lock(priv, &flags) != 0)
return -EBUSY;
priv->channel = chan;
if (priv->iw_mode == NL80211_IFTYPE_MONITOR) {
/* Fast channel change - no commit if successful */
hermes_t *hw = &priv->hw;
err = hermes_docmd_wait(hw, HERMES_CMD_TEST |
HERMES_TEST_SET_CHANNEL,
chan, NULL);
}
orinoco_unlock(priv, &flags);
return err;
}
/* Read a Length-Type-Value record from the card.
*
* If length is NULL, we ignore the length read from the card, and
* read the entire buffer regardless. This is useful because some of
* the configuration records appear to have incorrect lengths in
* practice.
*
* Callable from user or bh context. */
int hermes_read_ltv(hermes_t *hw, int bap, u16 rid, unsigned bufsize,
u16 *length, void *buf)
{
int err = 0;
int dreg = bap ? HERMES_DATA1 : HERMES_DATA0;
u16 rlength, rtype;
unsigned nwords;
if ( (bufsize < 0) || (bufsize % 2) )
return -EINVAL;
err = hermes_docmd_wait(hw, HERMES_CMD_ACCESS, rid, NULL);
if (err)
return err;
err = hermes_bap_seek(hw, bap, rid, 0);
if (err)
return err;
rlength = hermes_read_reg(hw, dreg);
if (! rlength)
return -ENOENT;
rtype = hermes_read_reg(hw, dreg);
if (length)
*length = rlength;
if (rtype != rid)
printk(KERN_WARNING "hermes @ %s0x%lx: "
"hermes_read_ltv(): rid (0x%04x) does not match type (0x%04x)\n",
IO_TYPE(hw), hw->iobase, rid, rtype);
if (HERMES_RECLEN_TO_BYTES(rlength) > bufsize)
printk(KERN_WARNING "hermes @ %s0x%lx: "
"Truncating LTV record from %d to %d bytes. "
"(rid=0x%04x, len=0x%04x)\n",
IO_TYPE(hw), hw->iobase,
HERMES_RECLEN_TO_BYTES(rlength), bufsize, rid, rlength);
nwords = min((unsigned)rlength - 1, bufsize / 2);
hermes_read_words(hw, dreg, buf, nwords);
return 0;
}
int hermes_allocate(hermes_t *hw, u16 size, u16 *fid)
{
int err = 0;
hermes_response_t resp;
int k;
u16 reg;
if ( (size < HERMES_ALLOC_LEN_MIN) || (size > HERMES_ALLOC_LEN_MAX) )
return -EINVAL;
err = hermes_docmd_wait(hw, HERMES_CMD_ALLOC, size, &resp);
if (err) {
printk(KERN_WARNING "hermes @ 0x%x: Frame allocation command failed (0x%X).\n",
hw->iobase, err);
return err;
}
reg = hermes_read_regn(hw, EVSTAT);
k = ALLOC_COMPL_TIMEOUT;
while ( (! (reg & HERMES_EV_ALLOC)) && k) {
k--;
udelay(10);
reg = hermes_read_regn(hw, EVSTAT);
}
if (! hermes_present(hw)) {
printk(KERN_WARNING "hermes @ 0x%x: Card removed waiting for frame allocation.\n",
hw->iobase);
return -ENODEV;
}
if (! (reg & HERMES_EV_ALLOC)) {
printk(KERN_ERR "hermes @ 0x%x: Timeout waiting for frame allocation\n",
hw->iobase);
return -ETIMEDOUT;
}
*fid = hermes_read_regn(hw, ALLOCFID);
hermes_write_regn(hw, EVACK, HERMES_EV_ALLOC);
return 0;
}
static int hermes_allocate(struct hermes *hw, u16 size, u16 *fid)
{
int err = 0;
int k;
u16 reg;
if ((size < HERMES_ALLOC_LEN_MIN) || (size > HERMES_ALLOC_LEN_MAX))
return -EINVAL;
err = hermes_docmd_wait(hw, HERMES_CMD_ALLOC, size, NULL);
if (err)
return err;
reg = hermes_read_regn(hw, EVSTAT);
k = ALLOC_COMPL_TIMEOUT;
while ((!(reg & HERMES_EV_ALLOC)) && k) {
k--;
udelay(10);
reg = hermes_read_regn(hw, EVSTAT);
}
if (!hermes_present(hw)) {
printk(KERN_WARNING "hermes @ %p: "
"Card removed waiting for frame allocation.\n",
hw->iobase);
return -ENODEV;
}
if (!(reg & HERMES_EV_ALLOC)) {
printk(KERN_ERR "hermes @ %p: "
"Timeout waiting for frame allocation\n",
hw->iobase);
return -ETIMEDOUT;
}
*fid = hermes_read_regn(hw, ALLOCFID);
hermes_write_regn(hw, EVACK, HERMES_EV_ALLOC);
return 0;
}
/* Read a Length-Type-Value record from the card.
*
* If length is NULL, we ignore the length read from the card, and
* read the entire buffer regardless. This is useful because some of
* the configuration records appear to have incorrect lengths in
* practice.
*
* Callable from user or bh context. */
int hermes_read_ltv(hermes_t *hw, int bap, u16 rid, int bufsize,
u16 *length, void *buf)
{
int err = 0;
int dreg = bap ? HERMES_DATA1 : HERMES_DATA0;
u16 rlength, rtype;
hermes_response_t resp;
if (bufsize % 2)
return -EINVAL;
err = hermes_docmd_wait(hw, HERMES_CMD_ACCESS, rid, &resp);
if (err)
goto out;
err = hermes_bap_seek(hw, bap, rid, 0);
if (err)
goto out;
rlength = hermes_read_reg(hw, dreg);
rtype = hermes_read_reg(hw, dreg);
if (length)
*length = rlength;
if (rtype != rid)
printk(KERN_WARNING "hermes_read_ltv(): rid (0x%04x) does "
"not match type (0x%04x)\n", rid, rtype);
if (HERMES_RECLEN_TO_BYTES(rlength) > bufsize)
printk(KERN_WARNING "hermes @ 0x%x: Truncating LTV record from %d to %d bytes. "
"(rid=0x%04x, len=0x%04x)\n", hw->iobase,
HERMES_RECLEN_TO_BYTES(rlength), bufsize, rid, rlength);
/* FIXME: we should read the min of the requested length and
the actual record length */
hermes_read_words(hw, dreg, buf, bufsize / 2);
out:
return err;
}
static int orinoco_set_channel(struct wiphy *wiphy,
struct ieee80211_channel *chan,
enum nl80211_channel_type channel_type)
{
struct orinoco_private *priv = wiphy_priv(wiphy);
int err = 0;
unsigned long flags;
int channel;
if (!chan)
return -EINVAL;
if (channel_type != NL80211_CHAN_NO_HT)
return -EINVAL;
if (chan->band != IEEE80211_BAND_2GHZ)
return -EINVAL;
channel = ieee80211_freq_to_dsss_chan(chan->center_freq);
if ((channel < 1) || (channel > NUM_CHANNELS) ||
!(priv->channel_mask & (1 << (channel-1))))
return -EINVAL;
if (orinoco_lock(priv, &flags) != 0)
return -EBUSY;
priv->channel = channel;
if (priv->iw_mode == NL80211_IFTYPE_MONITOR) {
/* Fast channel change - no commit if successful */
hermes_t *hw = &priv->hw;
err = hermes_docmd_wait(hw, HERMES_CMD_TEST |
HERMES_TEST_SET_CHANNEL,
channel, NULL);
}
orinoco_unlock(priv, &flags);
return err;
}
int orinoco_hw_program_rids(struct orinoco_private *priv)
{
struct net_device *dev = priv->ndev;
struct wireless_dev *wdev = netdev_priv(dev);
hermes_t *hw = &priv->hw;
int err;
struct hermes_idstring idbuf;
/* Set the MAC address */
err = hermes_write_ltv(hw, USER_BAP, HERMES_RID_CNFOWNMACADDR,
HERMES_BYTES_TO_RECLEN(ETH_ALEN), dev->dev_addr);
if (err) {
printk(KERN_ERR "%s: Error %d setting MAC address\n",
dev->name, err);
return err;
}
/* Set up the link mode */
err = hermes_write_wordrec(hw, USER_BAP, HERMES_RID_CNFPORTTYPE,
priv->port_type);
if (err) {
printk(KERN_ERR "%s: Error %d setting port type\n",
dev->name, err);
return err;
}
/* Set the channel/frequency */
if (priv->channel != 0 && priv->iw_mode != NL80211_IFTYPE_STATION) {
err = hermes_write_wordrec(hw, USER_BAP,
HERMES_RID_CNFOWNCHANNEL,
priv->channel);
if (err) {
printk(KERN_ERR "%s: Error %d setting channel %d\n",
dev->name, err, priv->channel);
return err;
}
}
if (priv->has_ibss) {
u16 createibss;
if ((strlen(priv->desired_essid) == 0) && (priv->createibss)) {
printk(KERN_WARNING "%s: This firmware requires an "
"ESSID in IBSS-Ad-Hoc mode.\n", dev->name);
/* With wvlan_cs, in this case, we would crash.
* hopefully, this driver will behave better...
* Jean II */
createibss = 0;
} else {
createibss = priv->createibss;
}
err = hermes_write_wordrec(hw, USER_BAP,
HERMES_RID_CNFCREATEIBSS,
createibss);
if (err) {
printk(KERN_ERR "%s: Error %d setting CREATEIBSS\n",
dev->name, err);
return err;
}
}
/* Set the desired BSSID */
err = __orinoco_hw_set_wap(priv);
if (err) {
printk(KERN_ERR "%s: Error %d setting AP address\n",
dev->name, err);
return err;
}
/* Set the desired ESSID */
idbuf.len = cpu_to_le16(strlen(priv->desired_essid));
memcpy(&idbuf.val, priv->desired_essid, sizeof(idbuf.val));
/* WinXP wants partner to configure OWNSSID even in IBSS mode. (jimc) */
err = hermes_write_ltv(hw, USER_BAP, HERMES_RID_CNFOWNSSID,
HERMES_BYTES_TO_RECLEN(strlen(priv->desired_essid)+2),
&idbuf);
if (err) {
printk(KERN_ERR "%s: Error %d setting OWNSSID\n",
dev->name, err);
return err;
}
err = hermes_write_ltv(hw, USER_BAP, HERMES_RID_CNFDESIREDSSID,
HERMES_BYTES_TO_RECLEN(strlen(priv->desired_essid)+2),
&idbuf);
if (err) {
printk(KERN_ERR "%s: Error %d setting DESIREDSSID\n",
dev->name, err);
return err;
}
/* Set the station name */
idbuf.len = cpu_to_le16(strlen(priv->nick));
memcpy(&idbuf.val, priv->nick, sizeof(idbuf.val));
err = hermes_write_ltv(hw, USER_BAP, HERMES_RID_CNFOWNNAME,
HERMES_BYTES_TO_RECLEN(strlen(priv->nick)+2),
&idbuf);
if (err) {
printk(KERN_ERR "%s: Error %d setting nickname\n",
dev->name, err);
return err;
}
/* Set AP density */
if (priv->has_sensitivity) {
err = hermes_write_wordrec(hw, USER_BAP,
HERMES_RID_CNFSYSTEMSCALE,
priv->ap_density);
if (err) {
printk(KERN_WARNING "%s: Error %d setting SYSTEMSCALE. "
"Disabling sensitivity control\n",
dev->name, err);
priv->has_sensitivity = 0;
}
}
/* Set RTS threshold */
err = hermes_write_wordrec(hw, USER_BAP, HERMES_RID_CNFRTSTHRESHOLD,
priv->rts_thresh);
if (err) {
printk(KERN_ERR "%s: Error %d setting RTS threshold\n",
dev->name, err);
return err;
}
/* Set fragmentation threshold or MWO robustness */
if (priv->has_mwo)
err = hermes_write_wordrec(hw, USER_BAP,
HERMES_RID_CNFMWOROBUST_AGERE,
priv->mwo_robust);
else
err = hermes_write_wordrec(hw, USER_BAP,
HERMES_RID_CNFFRAGMENTATIONTHRESHOLD,
priv->frag_thresh);
if (err) {
printk(KERN_ERR "%s: Error %d setting fragmentation\n",
dev->name, err);
return err;
}
/* Set bitrate */
err = __orinoco_hw_set_bitrate(priv);
if (err) {
printk(KERN_ERR "%s: Error %d setting bitrate\n",
dev->name, err);
return err;
}
/* Set power management */
if (priv->has_pm) {
err = hermes_write_wordrec(hw, USER_BAP,
HERMES_RID_CNFPMENABLED,
priv->pm_on);
if (err) {
printk(KERN_ERR "%s: Error %d setting up PM\n",
dev->name, err);
return err;
}
err = hermes_write_wordrec(hw, USER_BAP,
HERMES_RID_CNFMULTICASTRECEIVE,
priv->pm_mcast);
if (err) {
printk(KERN_ERR "%s: Error %d setting up PM\n",
dev->name, err);
return err;
}
err = hermes_write_wordrec(hw, USER_BAP,
HERMES_RID_CNFMAXSLEEPDURATION,
priv->pm_period);
if (err) {
printk(KERN_ERR "%s: Error %d setting up PM\n",
dev->name, err);
return err;
}
err = hermes_write_wordrec(hw, USER_BAP,
HERMES_RID_CNFPMHOLDOVERDURATION,
priv->pm_timeout);
if (err) {
printk(KERN_ERR "%s: Error %d setting up PM\n",
dev->name, err);
return err;
}
}
/* Set preamble - only for Symbol so far... */
if (priv->has_preamble) {
err = hermes_write_wordrec(hw, USER_BAP,
HERMES_RID_CNFPREAMBLE_SYMBOL,
priv->preamble);
if (err) {
printk(KERN_ERR "%s: Error %d setting preamble\n",
dev->name, err);
return err;
}
}
/* Set up encryption */
if (priv->has_wep || priv->has_wpa) {
err = __orinoco_hw_setup_enc(priv);
if (err) {
printk(KERN_ERR "%s: Error %d activating encryption\n",
dev->name, err);
return err;
}
}
if (priv->iw_mode == NL80211_IFTYPE_MONITOR) {
/* Enable monitor mode */
dev->type = ARPHRD_IEEE80211;
err = hermes_docmd_wait(hw, HERMES_CMD_TEST |
HERMES_TEST_MONITOR, 0, NULL);
} else {
/* Disable monitor mode */
dev->type = ARPHRD_ETHER;
err = hermes_docmd_wait(hw, HERMES_CMD_TEST |
HERMES_TEST_STOP, 0, NULL);
}
if (err)
return err;
/* Reset promiscuity / multicast*/
priv->promiscuous = 0;
priv->mc_count = 0;
/* Record mode change */
wdev->iftype = priv->iw_mode;
return 0;
}
