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path: root/drivers/ieee802154
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Diffstat (limited to 'drivers/ieee802154')
-rw-r--r--drivers/ieee802154/fakehard.c62
1 files changed, 50 insertions, 12 deletions
diff --git a/drivers/ieee802154/fakehard.c b/drivers/ieee802154/fakehard.c
index 7c544f7c74c..5f67540e669 100644
--- a/drivers/ieee802154/fakehard.c
+++ b/drivers/ieee802154/fakehard.c
@@ -32,9 +32,29 @@
#include <net/nl802154.h>
#include <net/wpan-phy.h>
-struct wpan_phy *net_to_phy(struct net_device *dev)
+struct fakehard_priv {
+ struct wpan_phy *phy;
+};
+
+static struct wpan_phy *fake_to_phy(const struct net_device *dev)
+{
+ struct fakehard_priv *priv = netdev_priv(dev);
+ return priv->phy;
+}
+
+/**
+ * fake_get_phy - Return a phy corresponding to this device.
+ * @dev: The network device for which to return the wan-phy object
+ *
+ * This function returns a wpan-phy object corresponding to the passed
+ * network device. Reference counter for wpan-phy object is incremented,
+ * so when the wpan-phy isn't necessary, you should drop the reference
+ * via @wpan_phy_put() call.
+ */
+static struct wpan_phy *fake_get_phy(const struct net_device *dev)
{
- return container_of(dev->dev.parent, struct wpan_phy, dev);
+ struct wpan_phy *phy = fake_to_phy(dev);
+ return to_phy(get_device(&phy->dev));
}
/**
@@ -43,7 +63,7 @@ struct wpan_phy *net_to_phy(struct net_device *dev)
*
* Return the ID of the PAN from the PIB.
*/
-static u16 fake_get_pan_id(struct net_device *dev)
+static u16 fake_get_pan_id(const struct net_device *dev)
{
BUG_ON(dev->type != ARPHRD_IEEE802154);
@@ -58,7 +78,7 @@ static u16 fake_get_pan_id(struct net_device *dev)
* device. If the device has not yet had a short address assigned
* then this should return 0xFFFF to indicate a lack of association.
*/
-static u16 fake_get_short_addr(struct net_device *dev)
+static u16 fake_get_short_addr(const struct net_device *dev)
{
BUG_ON(dev->type != ARPHRD_IEEE802154);
@@ -78,7 +98,7 @@ static u16 fake_get_short_addr(struct net_device *dev)
* Note: This is in section 7.2.1.2 of the IEEE 802.15.4-2006
* document.
*/
-static u8 fake_get_dsn(struct net_device *dev)
+static u8 fake_get_dsn(const struct net_device *dev)
{
BUG_ON(dev->type != ARPHRD_IEEE802154);
@@ -98,7 +118,7 @@ static u8 fake_get_dsn(struct net_device *dev)
* Note: This is in section 7.2.1.2 of the IEEE 802.15.4-2006
* document.
*/
-static u8 fake_get_bsn(struct net_device *dev)
+static u8 fake_get_bsn(const struct net_device *dev)
{
BUG_ON(dev->type != ARPHRD_IEEE802154);
@@ -121,7 +141,7 @@ static u8 fake_get_bsn(struct net_device *dev)
static int fake_assoc_req(struct net_device *dev,
struct ieee802154_addr *addr, u8 channel, u8 page, u8 cap)
{
- struct wpan_phy *phy = net_to_phy(dev);
+ struct wpan_phy *phy = fake_to_phy(dev);
mutex_lock(&phy->pib_lock);
phy->current_channel = channel;
@@ -196,7 +216,7 @@ static int fake_start_req(struct net_device *dev, struct ieee802154_addr *addr,
u8 bcn_ord, u8 sf_ord, u8 pan_coord, u8 blx,
u8 coord_realign)
{
- struct wpan_phy *phy = net_to_phy(dev);
+ struct wpan_phy *phy = fake_to_phy(dev);
mutex_lock(&phy->pib_lock);
phy->current_channel = channel;
@@ -239,6 +259,8 @@ static struct ieee802154_mlme_ops fake_mlme = {
.start_req = fake_start_req,
.scan_req = fake_scan_req,
+ .get_phy = fake_get_phy,
+
.get_pan_id = fake_get_pan_id,
.get_short_addr = fake_get_short_addr,
.get_dsn = fake_get_dsn,
@@ -260,6 +282,9 @@ static int ieee802154_fake_close(struct net_device *dev)
static netdev_tx_t ieee802154_fake_xmit(struct sk_buff *skb,
struct net_device *dev)
{
+ skb->skb_iif = dev->ifindex;
+ skb->dev = dev;
+
dev->stats.tx_packets++;
dev->stats.tx_bytes += skb->len;
@@ -310,7 +335,7 @@ static const struct net_device_ops fake_ops = {
static void ieee802154_fake_destruct(struct net_device *dev)
{
- struct wpan_phy *phy = net_to_phy(dev);
+ struct wpan_phy *phy = fake_to_phy(dev);
wpan_phy_unregister(phy);
free_netdev(dev);
@@ -335,13 +360,14 @@ static void ieee802154_fake_setup(struct net_device *dev)
static int __devinit ieee802154fake_probe(struct platform_device *pdev)
{
struct net_device *dev;
+ struct fakehard_priv *priv;
struct wpan_phy *phy = wpan_phy_alloc(0);
int err;
if (!phy)
return -ENOMEM;
- dev = alloc_netdev(0, "hardwpan%d", ieee802154_fake_setup);
+ dev = alloc_netdev(sizeof(struct fakehard_priv), "hardwpan%d", ieee802154_fake_setup);
if (!dev) {
wpan_phy_free(phy);
return -ENOMEM;
@@ -353,12 +379,23 @@ static int __devinit ieee802154fake_probe(struct platform_device *pdev)
dev->addr_len);
memcpy(dev->perm_addr, dev->dev_addr, dev->addr_len);
- phy->channels_supported = (1 << 27) - 1;
+ /*
+ * For now we'd like to emulate 2.4 GHz-only device,
+ * both O-QPSK and CSS
+ */
+ /* 2.4 GHz O-QPSK 802.15.4-2003 */
+ phy->channels_supported[0] |= 0x7FFF800;
+ /* 2.4 GHz CSS 802.15.4a-2007 */
+ phy->channels_supported[3] |= 0x3fff;
+
phy->transmit_power = 0xbf;
dev->netdev_ops = &fake_ops;
dev->ml_priv = &fake_mlme;
+ priv = netdev_priv(dev);
+ priv->phy = phy;
+
/*
* If the name is a format string the caller wants us to do a
* name allocation.
@@ -369,11 +406,12 @@ static int __devinit ieee802154fake_probe(struct platform_device *pdev)
goto out;
}
+ wpan_phy_set_dev(phy, &pdev->dev);
SET_NETDEV_DEV(dev, &phy->dev);
platform_set_drvdata(pdev, dev);
- err = wpan_phy_register(&pdev->dev, phy);
+ err = wpan_phy_register(phy);
if (err)
goto out;