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Diffstat (limited to 'net/mac802154/wpan.c')
-rw-r--r--net/mac802154/wpan.c89
1 files changed, 88 insertions, 1 deletions
diff --git a/net/mac802154/wpan.c b/net/mac802154/wpan.c
index 80cbee1a2f56..1df7a6a57386 100644
--- a/net/mac802154/wpan.c
+++ b/net/mac802154/wpan.c
@@ -102,6 +102,87 @@ static int mac802154_wpan_mac_addr(struct net_device *dev, void *p)
return 0;
}
+int mac802154_set_mac_params(struct net_device *dev,
+ const struct ieee802154_mac_params *params)
+{
+ struct mac802154_sub_if_data *priv = netdev_priv(dev);
+
+ mutex_lock(&priv->hw->slaves_mtx);
+ priv->mac_params = *params;
+ mutex_unlock(&priv->hw->slaves_mtx);
+
+ return 0;
+}
+
+void mac802154_get_mac_params(struct net_device *dev,
+ struct ieee802154_mac_params *params)
+{
+ struct mac802154_sub_if_data *priv = netdev_priv(dev);
+
+ mutex_lock(&priv->hw->slaves_mtx);
+ *params = priv->mac_params;
+ mutex_unlock(&priv->hw->slaves_mtx);
+}
+
+int mac802154_wpan_open(struct net_device *dev)
+{
+ int rc;
+ struct mac802154_sub_if_data *priv = netdev_priv(dev);
+ struct wpan_phy *phy = priv->hw->phy;
+
+ rc = mac802154_slave_open(dev);
+ if (rc < 0)
+ return rc;
+
+ mutex_lock(&phy->pib_lock);
+
+ if (phy->set_txpower) {
+ rc = phy->set_txpower(phy, priv->mac_params.transmit_power);
+ if (rc < 0)
+ goto out;
+ }
+
+ if (phy->set_lbt) {
+ rc = phy->set_lbt(phy, priv->mac_params.lbt);
+ if (rc < 0)
+ goto out;
+ }
+
+ if (phy->set_cca_mode) {
+ rc = phy->set_cca_mode(phy, priv->mac_params.cca_mode);
+ if (rc < 0)
+ goto out;
+ }
+
+ if (phy->set_cca_ed_level) {
+ rc = phy->set_cca_ed_level(phy, priv->mac_params.cca_ed_level);
+ if (rc < 0)
+ goto out;
+ }
+
+ if (phy->set_csma_params) {
+ rc = phy->set_csma_params(phy, priv->mac_params.min_be,
+ priv->mac_params.max_be,
+ priv->mac_params.csma_retries);
+ if (rc < 0)
+ goto out;
+ }
+
+ if (phy->set_frame_retries) {
+ rc = phy->set_frame_retries(phy,
+ priv->mac_params.frame_retries);
+ if (rc < 0)
+ goto out;
+ }
+
+ mutex_unlock(&phy->pib_lock);
+ return 0;
+
+out:
+ mutex_unlock(&phy->pib_lock);
+ return rc;
+}
+
static int mac802154_header_create(struct sk_buff *skb,
struct net_device *dev,
unsigned short type,
@@ -204,7 +285,7 @@ static struct header_ops mac802154_header_ops = {
};
static const struct net_device_ops mac802154_wpan_ops = {
- .ndo_open = mac802154_slave_open,
+ .ndo_open = mac802154_wpan_open,
.ndo_stop = mac802154_slave_close,
.ndo_start_xmit = mac802154_wpan_xmit,
.ndo_do_ioctl = mac802154_wpan_ioctl,
@@ -242,6 +323,12 @@ void mac802154_wpan_setup(struct net_device *dev)
get_random_bytes(&priv->bsn, 1);
get_random_bytes(&priv->dsn, 1);
+ /* defaults per 802.15.4-2011 */
+ priv->mac_params.min_be = 3;
+ priv->mac_params.max_be = 5;
+ priv->mac_params.csma_retries = 4;
+ priv->mac_params.frame_retries = -1; /* for compatibility, actual default is 3 */
+
priv->pan_id = cpu_to_le16(IEEE802154_PANID_BROADCAST);
priv->short_addr = cpu_to_le16(IEEE802154_ADDR_BROADCAST);
}