2010-04-19 07:16:33

by Dave Kilroy

[permalink] [raw]
Subject: [PATCH 1/3] orinoco: implement set_wiphy_params

... to set fragmentation and RTS thresholds. Also report RTS retry
settings during wiphy init.

Note that the existing semantics for enabling microwave robustness are
preserved on firmwares that have it.

Signed-off-by: David Kilroy <[email protected]>
---
drivers/net/wireless/orinoco/cfg.c | 88 +++++++++++++++-
drivers/net/wireless/orinoco/hw.c | 26 +++++
drivers/net/wireless/orinoco/orinoco.h | 2 +
drivers/net/wireless/orinoco/wext.c | 183 +-------------------------------
4 files changed, 120 insertions(+), 179 deletions(-)

diff --git a/drivers/net/wireless/orinoco/cfg.c b/drivers/net/wireless/orinoco/cfg.c
index 27f2d33..90dd4d0 100644
--- a/drivers/net/wireless/orinoco/cfg.c
+++ b/drivers/net/wireless/orinoco/cfg.c
@@ -88,7 +88,9 @@ int orinoco_wiphy_register(struct wiphy *wiphy)

wiphy->rts_threshold = priv->rts_thresh;
if (!priv->has_mwo)
- wiphy->frag_threshold = priv->frag_thresh;
+ wiphy->frag_threshold = priv->frag_thresh + 1;
+ wiphy->retry_short = priv->short_retry_limit;
+ wiphy->retry_long = priv->long_retry_limit;

return wiphy_register(wiphy);
}
@@ -196,8 +198,92 @@ static int orinoco_set_channel(struct wiphy *wiphy,
return err;
}

+static int orinoco_set_wiphy_params(struct wiphy *wiphy, u32 changed)
+{
+ struct orinoco_private *priv = wiphy_priv(wiphy);
+ int frag_value = -1;
+ int rts_value = -1;
+ int err = 0;
+
+ if (changed & WIPHY_PARAM_RETRY_SHORT) {
+ /* Setting short retry not supported */
+ err = -EINVAL;
+ }
+
+ if (changed & WIPHY_PARAM_RETRY_LONG) {
+ /* Setting long retry not supported */
+ err = -EINVAL;
+ }
+
+ if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
+ /* Set fragmentation */
+ if (priv->has_mwo) {
+ if (wiphy->frag_threshold < 0)
+ frag_value = 0;
+ else {
+ printk(KERN_WARNING "%s: Fixed fragmentation "
+ "is not supported on this firmware. "
+ "Using MWO robust instead.\n",
+ priv->ndev->name);
+ frag_value = 1;
+ }
+ } else {
+ if (wiphy->frag_threshold < 0)
+ frag_value = 2346;
+ else if ((wiphy->frag_threshold < 257) ||
+ (wiphy->frag_threshold > 2347))
+ err = -EINVAL;
+ else
+ /* cfg80211 value is 257-2347 (odd only)
+ * orinoco rid has range 256-2346 (even only) */
+ frag_value = wiphy->frag_threshold & ~0x1;
+ }
+ }
+
+ if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
+ /* Set RTS.
+ *
+ * Prism documentation suggests default of 2432,
+ * and a range of 0-3000.
+ *
+ * Current implementation uses 2347 as the default and
+ * the upper limit.
+ */
+
+ if (wiphy->rts_threshold < 0)
+ rts_value = 2347;
+ else if (wiphy->rts_threshold > 2347)
+ err = -EINVAL;
+ else
+ rts_value = wiphy->rts_threshold;
+ }
+
+ if (!err) {
+ unsigned long flags;
+
+ if (orinoco_lock(priv, &flags) != 0)
+ return -EBUSY;
+
+ if (frag_value >= 0) {
+ if (priv->has_mwo)
+ priv->mwo_robust = frag_value;
+ else
+ priv->frag_thresh = frag_value;
+ }
+ if (rts_value >= 0)
+ priv->rts_thresh = rts_value;
+
+ err = orinoco_commit(priv);
+
+ orinoco_unlock(priv, &flags);
+ }
+
+ return err;
+}
+
const struct cfg80211_ops orinoco_cfg_ops = {
.change_virtual_intf = orinoco_change_vif,
.set_channel = orinoco_set_channel,
.scan = orinoco_scan,
+ .set_wiphy_params = orinoco_set_wiphy_params,
};
diff --git a/drivers/net/wireless/orinoco/hw.c b/drivers/net/wireless/orinoco/hw.c
index 883b8f8..24ea4b4 100644
--- a/drivers/net/wireless/orinoco/hw.c
+++ b/drivers/net/wireless/orinoco/hw.c
@@ -374,6 +374,32 @@ int orinoco_hw_read_card_settings(struct orinoco_private *priv, u8 *dev_addr)
err = hermes_read_wordrec(hw, USER_BAP,
HERMES_RID_CNFPREAMBLE_SYMBOL,
&priv->preamble);
+ if (err) {
+ dev_err(dev, "Failed to read preamble setup\n");
+ goto out;
+ }
+ }
+
+ /* Retry settings */
+ err = hermes_read_wordrec(hw, USER_BAP, HERMES_RID_SHORTRETRYLIMIT,
+ &priv->short_retry_limit);
+ if (err) {
+ dev_err(dev, "Failed to read short retry limit\n");
+ goto out;
+ }
+
+ err = hermes_read_wordrec(hw, USER_BAP, HERMES_RID_LONGRETRYLIMIT,
+ &priv->long_retry_limit);
+ if (err) {
+ dev_err(dev, "Failed to read long retry limit\n");
+ goto out;
+ }
+
+ err = hermes_read_wordrec(hw, USER_BAP, HERMES_RID_MAXTRANSMITLIFETIME,
+ &priv->retry_lifetime);
+ if (err) {
+ dev_err(dev, "Failed to read max retry lifetime\n");
+ goto out;
}

out:
diff --git a/drivers/net/wireless/orinoco/orinoco.h b/drivers/net/wireless/orinoco/orinoco.h
index 665ef56..ff6b7b1 100644
--- a/drivers/net/wireless/orinoco/orinoco.h
+++ b/drivers/net/wireless/orinoco/orinoco.h
@@ -131,6 +131,8 @@ struct orinoco_private {
u16 ap_density, rts_thresh;
u16 pm_on, pm_mcast, pm_period, pm_timeout;
u16 preamble;
+ u16 short_retry_limit, long_retry_limit;
+ u16 retry_lifetime;
#ifdef WIRELESS_SPY
struct iw_spy_data spy_data; /* iwspy support */
struct iw_public_data wireless_data;
diff --git a/drivers/net/wireless/orinoco/wext.c b/drivers/net/wireless/orinoco/wext.c
index 57b850e..a1006bf 100644
--- a/drivers/net/wireless/orinoco/wext.c
+++ b/drivers/net/wireless/orinoco/wext.c
@@ -538,125 +538,6 @@ static int orinoco_ioctl_setsens(struct net_device *dev,
return -EINPROGRESS; /* Call commit handler */
}

-static int orinoco_ioctl_setrts(struct net_device *dev,
- struct iw_request_info *info,
- struct iw_param *rrq,
- char *extra)
-{
- struct orinoco_private *priv = ndev_priv(dev);
- int val = rrq->value;
- unsigned long flags;
-
- if (rrq->disabled)
- val = 2347;
-
- if ((val < 0) || (val > 2347))
- return -EINVAL;
-
- if (orinoco_lock(priv, &flags) != 0)
- return -EBUSY;
-
- priv->rts_thresh = val;
- orinoco_unlock(priv, &flags);
-
- return -EINPROGRESS; /* Call commit handler */
-}
-
-static int orinoco_ioctl_getrts(struct net_device *dev,
- struct iw_request_info *info,
- struct iw_param *rrq,
- char *extra)
-{
- struct orinoco_private *priv = ndev_priv(dev);
-
- rrq->value = priv->rts_thresh;
- rrq->disabled = (rrq->value == 2347);
- rrq->fixed = 1;
-
- return 0;
-}
-
-static int orinoco_ioctl_setfrag(struct net_device *dev,
- struct iw_request_info *info,
- struct iw_param *frq,
- char *extra)
-{
- struct orinoco_private *priv = ndev_priv(dev);
- int err = -EINPROGRESS; /* Call commit handler */
- unsigned long flags;
-
- if (orinoco_lock(priv, &flags) != 0)
- return -EBUSY;
-
- if (priv->has_mwo) {
- if (frq->disabled)
- priv->mwo_robust = 0;
- else {
- if (frq->fixed)
- printk(KERN_WARNING "%s: Fixed fragmentation "
- "is not supported on this firmware. "
- "Using MWO robust instead.\n",
- dev->name);
- priv->mwo_robust = 1;
- }
- } else {
- if (frq->disabled)
- priv->frag_thresh = 2346;
- else {
- if ((frq->value < 256) || (frq->value > 2346))
- err = -EINVAL;
- else
- /* must be even */
- priv->frag_thresh = frq->value & ~0x1;
- }
- }
-
- orinoco_unlock(priv, &flags);
-
- return err;
-}
-
-static int orinoco_ioctl_getfrag(struct net_device *dev,
- struct iw_request_info *info,
- struct iw_param *frq,
- char *extra)
-{
- struct orinoco_private *priv = ndev_priv(dev);
- hermes_t *hw = &priv->hw;
- int err;
- u16 val;
- unsigned long flags;
-
- if (orinoco_lock(priv, &flags) != 0)
- return -EBUSY;
-
- if (priv->has_mwo) {
- err = hermes_read_wordrec(hw, USER_BAP,
- HERMES_RID_CNFMWOROBUST_AGERE,
- &val);
- if (err)
- val = 0;
-
- frq->value = val ? 2347 : 0;
- frq->disabled = !val;
- frq->fixed = 0;
- } else {
- err = hermes_read_wordrec(hw, USER_BAP,
- HERMES_RID_CNFFRAGMENTATIONTHRESHOLD,
- &val);
- if (err)
- val = 0;
-
- frq->value = val;
- frq->disabled = (val >= 2346);
- frq->fixed = 1;
- }
-
- orinoco_unlock(priv, &flags);
-
- return err;
-}
-
static int orinoco_ioctl_setrate(struct net_device *dev,
struct iw_request_info *info,
struct iw_param *rrq,
@@ -1201,60 +1082,6 @@ static int orinoco_ioctl_set_mlme(struct net_device *dev,
return ret;
}

-static int orinoco_ioctl_getretry(struct net_device *dev,
- struct iw_request_info *info,
- struct iw_param *rrq,
- char *extra)
-{
- struct orinoco_private *priv = ndev_priv(dev);
- hermes_t *hw = &priv->hw;
- int err = 0;
- u16 short_limit, long_limit, lifetime;
- unsigned long flags;
-
- if (orinoco_lock(priv, &flags) != 0)
- return -EBUSY;
-
- err = hermes_read_wordrec(hw, USER_BAP, HERMES_RID_SHORTRETRYLIMIT,
- &short_limit);
- if (err)
- goto out;
-
- err = hermes_read_wordrec(hw, USER_BAP, HERMES_RID_LONGRETRYLIMIT,
- &long_limit);
- if (err)
- goto out;
-
- err = hermes_read_wordrec(hw, USER_BAP, HERMES_RID_MAXTRANSMITLIFETIME,
- &lifetime);
- if (err)
- goto out;
-
- rrq->disabled = 0; /* Can't be disabled */
-
- /* Note : by default, display the retry number */
- if ((rrq->flags & IW_RETRY_TYPE) == IW_RETRY_LIFETIME) {
- rrq->flags = IW_RETRY_LIFETIME;
- rrq->value = lifetime * 1000; /* ??? */
- } else {
- /* By default, display the min number */
- if ((rrq->flags & IW_RETRY_LONG)) {
- rrq->flags = IW_RETRY_LIMIT | IW_RETRY_LONG;
- rrq->value = long_limit;
- } else {
- rrq->flags = IW_RETRY_LIMIT;
- rrq->value = short_limit;
- if (short_limit != long_limit)
- rrq->flags |= IW_RETRY_SHORT;
- }
- }
-
- out:
- orinoco_unlock(priv, &flags);
-
- return err;
-}
-
static int orinoco_ioctl_reset(struct net_device *dev,
struct iw_request_info *info,
void *wrqu,
@@ -1528,11 +1355,11 @@ static const iw_handler orinoco_handler[] = {
IW_HANDLER(SIOCGIWESSID, (iw_handler)orinoco_ioctl_getessid),
IW_HANDLER(SIOCSIWRATE, (iw_handler)orinoco_ioctl_setrate),
IW_HANDLER(SIOCGIWRATE, (iw_handler)orinoco_ioctl_getrate),
- IW_HANDLER(SIOCSIWRTS, (iw_handler)orinoco_ioctl_setrts),
- IW_HANDLER(SIOCGIWRTS, (iw_handler)orinoco_ioctl_getrts),
- IW_HANDLER(SIOCSIWFRAG, (iw_handler)orinoco_ioctl_setfrag),
- IW_HANDLER(SIOCGIWFRAG, (iw_handler)orinoco_ioctl_getfrag),
- IW_HANDLER(SIOCGIWRETRY, (iw_handler)orinoco_ioctl_getretry),
+ IW_HANDLER(SIOCSIWRTS, (iw_handler)cfg80211_wext_siwrts),
+ IW_HANDLER(SIOCGIWRTS, (iw_handler)cfg80211_wext_giwrts),
+ IW_HANDLER(SIOCSIWFRAG, (iw_handler)cfg80211_wext_siwfrag),
+ IW_HANDLER(SIOCGIWFRAG, (iw_handler)cfg80211_wext_giwfrag),
+ IW_HANDLER(SIOCGIWRETRY, (iw_handler)cfg80211_wext_giwretry),
IW_HANDLER(SIOCSIWENCODE, (iw_handler)orinoco_ioctl_setiwencode),
IW_HANDLER(SIOCGIWENCODE, (iw_handler)orinoco_ioctl_getiwencode),
IW_HANDLER(SIOCSIWPOWER, (iw_handler)orinoco_ioctl_setpower),
--
1.6.4.4



2010-04-19 07:16:37

by Dave Kilroy

[permalink] [raw]
Subject: [PATCH 3/3] orinoco: have sparse check endian issues

Orinoco should be endian clean, so enable the checking.

Signed-off-by: David Kilroy <[email protected]>
---
drivers/net/wireless/orinoco/Makefile | 3 +++
1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/drivers/net/wireless/orinoco/Makefile b/drivers/net/wireless/orinoco/Makefile
index 9abd632..e645269 100644
--- a/drivers/net/wireless/orinoco/Makefile
+++ b/drivers/net/wireless/orinoco/Makefile
@@ -11,3 +11,6 @@ obj-$(CONFIG_PCI_HERMES) += orinoco_pci.o
obj-$(CONFIG_TMD_HERMES) += orinoco_tmd.o
obj-$(CONFIG_NORTEL_HERMES) += orinoco_nortel.o
obj-$(CONFIG_PCMCIA_SPECTRUM) += spectrum_cs.o
+
+# Orinoco should be endian clean.
+ccflags-y += -D__CHECK_ENDIAN__
--
1.6.4.4


2010-04-19 07:16:35

by Dave Kilroy

[permalink] [raw]
Subject: [PATCH 2/3] orinoco: use cfg80211_find_ie

Instead of using a local function.

Signed-off-by: David Kilroy <[email protected]>
---
drivers/net/wireless/orinoco/main.h | 12 ------------
drivers/net/wireless/orinoco/scan.c | 4 ++--
2 files changed, 2 insertions(+), 14 deletions(-)

diff --git a/drivers/net/wireless/orinoco/main.h b/drivers/net/wireless/orinoco/main.h
index 21ab36c..4dadf98 100644
--- a/drivers/net/wireless/orinoco/main.h
+++ b/drivers/net/wireless/orinoco/main.h
@@ -33,18 +33,6 @@ int orinoco_commit(struct orinoco_private *priv);
void orinoco_reset(struct work_struct *work);

/* Information element helpers - find a home for these... */
-static inline u8 *orinoco_get_ie(u8 *data, size_t len,
- enum ieee80211_eid eid)
-{
- u8 *p = data;
- while ((p + 2) < (data + len)) {
- if (p[0] == eid)
- return p;
- p += p[1] + 2;
- }
- return NULL;
-}
-
#define WPA_OUI_TYPE "\x00\x50\xF2\x01"
#define WPA_SELECTOR_LEN 4
static inline u8 *orinoco_get_wpa_ie(u8 *data, size_t len)
diff --git a/drivers/net/wireless/orinoco/scan.c b/drivers/net/wireless/orinoco/scan.c
index 330d42d..4300d9d 100644
--- a/drivers/net/wireless/orinoco/scan.c
+++ b/drivers/net/wireless/orinoco/scan.c
@@ -127,7 +127,7 @@ void orinoco_add_extscan_result(struct orinoco_private *priv,
{
struct wiphy *wiphy = priv_to_wiphy(priv);
struct ieee80211_channel *channel;
- u8 *ie;
+ const u8 *ie;
u64 timestamp;
s32 signal;
u16 capability;
@@ -136,7 +136,7 @@ void orinoco_add_extscan_result(struct orinoco_private *priv,
int chan, freq;

ie_len = len - sizeof(*bss);
- ie = orinoco_get_ie(bss->data, ie_len, WLAN_EID_DS_PARAMS);
+ ie = cfg80211_find_ie(WLAN_EID_DS_PARAMS, bss->data, ie_len);
chan = ie ? ie[2] : 0;
freq = ieee80211_dsss_chan_to_freq(chan);
channel = ieee80211_get_channel(wiphy, freq);
--
1.6.4.4