aboutsummaryrefslogtreecommitdiff
path: root/drivers
diff options
context:
space:
mode:
authorHolger Schurig <hs4233@mail.mn-solutions.de>2009-10-06 16:31:54 +0200
committerJohn W. Linville <linville@tuxdriver.com>2009-10-07 16:39:47 -0400
commitff9fc791940f9ff51387c35f9332efe5007154f1 (patch)
tree49aa914b7d4162312ca7a0d42fde15cfede079a4 /drivers
parent0465af8e03bdc6cd0b49dc5548671387a8674b69 (diff)
libertas: first stab at cfg80211 support
Signed-off-by: Holger Schurig <hs4233@mail.mn-solutions.de> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/wireless/libertas/Makefile1
-rw-r--r--drivers/net/wireless/libertas/cfg.c198
-rw-r--r--drivers/net/wireless/libertas/cfg.h16
-rw-r--r--drivers/net/wireless/libertas/defs.h2
-rw-r--r--drivers/net/wireless/libertas/dev.h1
-rw-r--r--drivers/net/wireless/libertas/main.c61
6 files changed, 262 insertions, 17 deletions
diff --git a/drivers/net/wireless/libertas/Makefile b/drivers/net/wireless/libertas/Makefile
index 2f63940fb7f..e5584dd1c79 100644
--- a/drivers/net/wireless/libertas/Makefile
+++ b/drivers/net/wireless/libertas/Makefile
@@ -1,5 +1,6 @@
libertas-y += 11d.o
libertas-y += assoc.o
+libertas-y += cfg.o
libertas-y += cmd.o
libertas-y += cmdresp.o
libertas-y += debugfs.o
diff --git a/drivers/net/wireless/libertas/cfg.c b/drivers/net/wireless/libertas/cfg.c
new file mode 100644
index 00000000000..4396dccd12a
--- /dev/null
+++ b/drivers/net/wireless/libertas/cfg.c
@@ -0,0 +1,198 @@
+/*
+ * Implement cfg80211 ("iw") support.
+ *
+ * Copyright (C) 2009 M&N Solutions GmbH, 61191 Rosbach, Germany
+ * Holger Schurig <hs4233@mail.mn-solutions.de>
+ *
+ */
+
+#include <net/cfg80211.h>
+
+#include "cfg.h"
+#include "cmd.h"
+
+
+#define CHAN2G(_channel, _freq, _flags) { \
+ .band = IEEE80211_BAND_2GHZ, \
+ .center_freq = (_freq), \
+ .hw_value = (_channel), \
+ .flags = (_flags), \
+ .max_antenna_gain = 0, \
+ .max_power = 30, \
+}
+
+static struct ieee80211_channel lbs_2ghz_channels[] = {
+ CHAN2G(1, 2412, 0),
+ CHAN2G(2, 2417, 0),
+ CHAN2G(3, 2422, 0),
+ CHAN2G(4, 2427, 0),
+ CHAN2G(5, 2432, 0),
+ CHAN2G(6, 2437, 0),
+ CHAN2G(7, 2442, 0),
+ CHAN2G(8, 2447, 0),
+ CHAN2G(9, 2452, 0),
+ CHAN2G(10, 2457, 0),
+ CHAN2G(11, 2462, 0),
+ CHAN2G(12, 2467, 0),
+ CHAN2G(13, 2472, 0),
+ CHAN2G(14, 2484, 0),
+};
+
+#define RATETAB_ENT(_rate, _rateid, _flags) { \
+ .bitrate = (_rate), \
+ .hw_value = (_rateid), \
+ .flags = (_flags), \
+}
+
+
+static struct ieee80211_rate lbs_rates[] = {
+ RATETAB_ENT(10, 0x1, 0),
+ RATETAB_ENT(20, 0x2, 0),
+ RATETAB_ENT(55, 0x4, 0),
+ RATETAB_ENT(110, 0x8, 0),
+ RATETAB_ENT(60, 0x10, 0),
+ RATETAB_ENT(90, 0x20, 0),
+ RATETAB_ENT(120, 0x40, 0),
+ RATETAB_ENT(180, 0x80, 0),
+ RATETAB_ENT(240, 0x100, 0),
+ RATETAB_ENT(360, 0x200, 0),
+ RATETAB_ENT(480, 0x400, 0),
+ RATETAB_ENT(540, 0x800, 0),
+};
+
+static struct ieee80211_supported_band lbs_band_2ghz = {
+ .channels = lbs_2ghz_channels,
+ .n_channels = ARRAY_SIZE(lbs_2ghz_channels),
+ .bitrates = lbs_rates,
+ .n_bitrates = ARRAY_SIZE(lbs_rates),
+};
+
+
+static const u32 cipher_suites[] = {
+ WLAN_CIPHER_SUITE_WEP40,
+ WLAN_CIPHER_SUITE_WEP104,
+ WLAN_CIPHER_SUITE_TKIP,
+ WLAN_CIPHER_SUITE_CCMP,
+};
+
+
+
+static int lbs_cfg_set_channel(struct wiphy *wiphy,
+ struct ieee80211_channel *chan,
+ enum nl80211_channel_type channel_type)
+{
+ struct lbs_private *priv = wiphy_priv(wiphy);
+ int ret = -ENOTSUPP;
+
+ lbs_deb_enter_args(LBS_DEB_CFG80211, "freq %d, type %d", chan->center_freq, channel_type);
+
+ if (channel_type != NL80211_CHAN_NO_HT)
+ goto out;
+
+ ret = lbs_set_channel(priv, chan->hw_value);
+
+ out:
+ lbs_deb_leave_args(LBS_DEB_CFG80211, "ret %d", ret);
+ return ret;
+}
+
+
+
+
+static struct cfg80211_ops lbs_cfg80211_ops = {
+ .set_channel = lbs_cfg_set_channel,
+};
+
+
+/*
+ * At this time lbs_private *priv doesn't even exist, so we just allocate
+ * memory and don't initialize the wiphy further. This is postponed until we
+ * can talk to the firmware and happens at registration time in
+ * lbs_cfg_wiphy_register().
+ */
+struct wireless_dev *lbs_cfg_alloc(struct device *dev)
+{
+ int ret = 0;
+ struct wireless_dev *wdev;
+
+ lbs_deb_enter(LBS_DEB_CFG80211);
+
+ wdev = kzalloc(sizeof(struct wireless_dev), GFP_KERNEL);
+ if (!wdev) {
+ dev_err(dev, "cannot allocate wireless device\n");
+ return ERR_PTR(-ENOMEM);
+ }
+
+ wdev->wiphy = wiphy_new(&lbs_cfg80211_ops, sizeof(struct lbs_private));
+ if (!wdev->wiphy) {
+ dev_err(dev, "cannot allocate wiphy\n");
+ ret = -ENOMEM;
+ goto err_wiphy_new;
+ }
+
+ lbs_deb_leave(LBS_DEB_CFG80211);
+ return wdev;
+
+ err_wiphy_new:
+ kfree(wdev);
+ lbs_deb_leave_args(LBS_DEB_CFG80211, "ret %d", ret);
+ return ERR_PTR(ret);
+}
+
+
+/*
+ * This function get's called after lbs_setup_firmware() determined the
+ * firmware capabities. So we can setup the wiphy according to our
+ * hardware/firmware.
+ */
+int lbs_cfg_register(struct lbs_private *priv)
+{
+ struct wireless_dev *wdev = priv->wdev;
+ int ret;
+
+ lbs_deb_enter(LBS_DEB_CFG80211);
+
+ wdev->wiphy->max_scan_ssids = 1;
+ wdev->wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM;
+
+ /* TODO: BIT(NL80211_IFTYPE_ADHOC); */
+ wdev->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION);
+
+ /* TODO: honor priv->regioncode */
+ wdev->wiphy->bands[IEEE80211_BAND_2GHZ] = &lbs_band_2ghz;
+
+ /*
+ * We could check priv->fwcapinfo && FW_CAPINFO_WPA, but I have
+ * never seen a firmware without WPA
+ */
+ wdev->wiphy->cipher_suites = cipher_suites;
+ wdev->wiphy->n_cipher_suites = ARRAY_SIZE(cipher_suites);
+
+ ret = wiphy_register(wdev->wiphy);
+ if (ret < 0)
+ lbs_pr_err("cannot register wiphy device\n");
+
+ ret = register_netdev(priv->dev);
+ if (ret)
+ lbs_pr_err("cannot register network device\n");
+
+ lbs_deb_leave_args(LBS_DEB_CFG80211, "ret %d", ret);
+ return ret;
+}
+
+
+void lbs_cfg_free(struct lbs_private *priv)
+{
+ struct wireless_dev *wdev = priv->wdev;
+
+ lbs_deb_enter(LBS_DEB_CFG80211);
+
+ if (!wdev)
+ return;
+
+ if (wdev->wiphy) {
+ wiphy_unregister(wdev->wiphy);
+ wiphy_free(wdev->wiphy);
+ }
+ kfree(wdev);
+}
diff --git a/drivers/net/wireless/libertas/cfg.h b/drivers/net/wireless/libertas/cfg.h
new file mode 100644
index 00000000000..e09a193a34d
--- /dev/null
+++ b/drivers/net/wireless/libertas/cfg.h
@@ -0,0 +1,16 @@
+#ifndef __LBS_CFG80211_H__
+#define __LBS_CFG80211_H__
+
+#include "dev.h"
+
+struct wireless_dev *lbs_cfg_alloc(struct device *dev);
+int lbs_cfg_register(struct lbs_private *priv);
+void lbs_cfg_free(struct lbs_private *priv);
+
+int lbs_send_specific_ssid_scan(struct lbs_private *priv, u8 *ssid,
+ u8 ssid_len);
+int lbs_scan_networks(struct lbs_private *priv, int full_scan);
+void lbs_cfg_scan_worker(struct work_struct *work);
+
+
+#endif
diff --git a/drivers/net/wireless/libertas/defs.h b/drivers/net/wireless/libertas/defs.h
index 72f3479a4d7..1cf5d5985da 100644
--- a/drivers/net/wireless/libertas/defs.h
+++ b/drivers/net/wireless/libertas/defs.h
@@ -42,6 +42,7 @@
#define LBS_DEB_SDIO 0x00400000
#define LBS_DEB_SYSFS 0x00800000
#define LBS_DEB_SPI 0x01000000
+#define LBS_DEB_CFG80211 0x02000000
extern unsigned int lbs_debug;
@@ -86,6 +87,7 @@ do { if ((lbs_debug & (grp)) == (grp)) \
#define lbs_deb_sdio(fmt, args...) LBS_DEB_LL(LBS_DEB_SDIO, " sdio", fmt, ##args)
#define lbs_deb_sysfs(fmt, args...) LBS_DEB_LL(LBS_DEB_SYSFS, " sysfs", fmt, ##args)
#define lbs_deb_spi(fmt, args...) LBS_DEB_LL(LBS_DEB_SPI, " spi", fmt, ##args)
+#define lbs_deb_cfg80211(fmt, args...) LBS_DEB_LL(LBS_DEB_CFG80211, " cfg80211", fmt, ##args)
#define lbs_pr_info(format, args...) \
printk(KERN_INFO DRV_NAME": " format, ## args)
diff --git a/drivers/net/wireless/libertas/dev.h b/drivers/net/wireless/libertas/dev.h
index 0018df14fad..8abb28af5af 100644
--- a/drivers/net/wireless/libertas/dev.h
+++ b/drivers/net/wireless/libertas/dev.h
@@ -100,6 +100,7 @@ struct lbs_mesh_stats {
/** Private structure for the MV device */
struct lbs_private {
+ struct wireless_dev *wdev;
int mesh_open;
int mesh_fw_ver;
int infra_open;
diff --git a/drivers/net/wireless/libertas/main.c b/drivers/net/wireless/libertas/main.c
index 9b2a9174a01..e6da1dfa813 100644
--- a/drivers/net/wireless/libertas/main.c
+++ b/drivers/net/wireless/libertas/main.c
@@ -14,11 +14,13 @@
#include <linux/stddef.h>
#include <linux/ieee80211.h>
#include <net/iw_handler.h>
+#include <net/cfg80211.h>
#include "host.h"
#include "decl.h"
#include "dev.h"
#include "wext.h"
+#include "cfg.h"
#include "debugfs.h"
#include "scan.h"
#include "assoc.h"
@@ -1245,31 +1247,42 @@ static const struct net_device_ops lbs_netdev_ops = {
*/
struct lbs_private *lbs_add_card(void *card, struct device *dmdev)
{
- struct net_device *dev = NULL;
+ struct net_device *dev;
+ struct wireless_dev *wdev;
struct lbs_private *priv = NULL;
lbs_deb_enter(LBS_DEB_MAIN);
/* Allocate an Ethernet device and register it */
- dev = alloc_etherdev(sizeof(struct lbs_private));
- if (!dev) {
- lbs_pr_err("init wlanX device failed\n");
+ wdev = lbs_cfg_alloc(dmdev);
+ if (IS_ERR(wdev)) {
+ lbs_pr_err("cfg80211 init failed\n");
goto done;
}
- priv = netdev_priv(dev);
- dev->ml_priv = priv;
+ /* TODO? */
+ wdev->iftype = NL80211_IFTYPE_STATION;
+ priv = wdev_priv(wdev);
+ priv->wdev = wdev;
if (lbs_init_adapter(priv)) {
lbs_pr_err("failed to initialize adapter structure.\n");
- goto err_init_adapter;
+ goto err_wdev;
+ }
+
+ //TODO? dev = alloc_netdev_mq(0, "wlan%d", ether_setup, IWM_TX_QUEUES);
+ dev = alloc_netdev(0, "wlan%d", ether_setup);
+ if (!dev) {
+ dev_err(dmdev, "no memory for network device instance\n");
+ goto err_adapter;
}
+ dev->netdev_ops = &lbs_netdev_ops;
+ dev->ieee80211_ptr = wdev;
+ dev->ml_priv = priv;
+ SET_NETDEV_DEV(dev, dmdev);
+ wdev->netdev = dev;
priv->dev = dev;
- priv->card = card;
- priv->mesh_open = 0;
- priv->infra_open = 0;
- /* Setup the OS Interface to our functions */
dev->netdev_ops = &lbs_netdev_ops;
dev->watchdog_timeo = 5 * HZ;
dev->ethtool_ops = &lbs_ethtool_ops;
@@ -1278,7 +1291,14 @@ struct lbs_private *lbs_add_card(void *card, struct device *dmdev)
#endif
dev->flags |= IFF_BROADCAST | IFF_MULTICAST;
- SET_NETDEV_DEV(dev, dmdev);
+
+ // TODO: kzalloc + iwm_init_default_profile(iwm, iwm->umac_profile); ??
+
+
+ priv->card = card;
+ priv->mesh_open = 0;
+ priv->infra_open = 0;
+
priv->rtap_net_dev = NULL;
strcpy(dev->name, "wlan%d");
@@ -1288,7 +1308,7 @@ struct lbs_private *lbs_add_card(void *card, struct device *dmdev)
priv->main_thread = kthread_run(lbs_thread, dev, "lbs_main");
if (IS_ERR(priv->main_thread)) {
lbs_deb_thread("Error creating main thread.\n");
- goto err_init_adapter;
+ goto err_ndev;
}
priv->work_thread = create_singlethread_workqueue("lbs_worker");
@@ -1305,9 +1325,15 @@ struct lbs_private *lbs_add_card(void *card, struct device *dmdev)
goto done;
-err_init_adapter:
- lbs_free_adapter(priv);
+ err_ndev:
free_netdev(dev);
+
+ err_adapter:
+ lbs_free_adapter(priv);
+
+ err_wdev:
+ lbs_cfg_free(priv);
+
priv = NULL;
done:
@@ -1359,6 +1385,7 @@ void lbs_remove_card(struct lbs_private *priv)
kthread_stop(priv->main_thread);
lbs_free_adapter(priv);
+ lbs_cfg_free(priv);
priv->dev = NULL;
free_netdev(dev);
@@ -1383,8 +1410,8 @@ int lbs_start_card(struct lbs_private *priv)
/* init 802.11d */
lbs_init_11d(priv);
- if (register_netdev(dev)) {
- lbs_pr_err("cannot register ethX device\n");
+ if (lbs_cfg_register(priv)) {
+ lbs_pr_err("cannot register device\n");
goto done;
}