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-rw-r--r--include/linux/ieee802154.h2
-rw-r--r--include/net/cfg802154.h2
-rw-r--r--net/ieee802154/nl802154.c31
-rw-r--r--net/ieee802154/rdev-ops.h7
-rw-r--r--net/mac802154/cfg.c20
5 files changed, 62 insertions, 0 deletions
diff --git a/include/linux/ieee802154.h b/include/linux/ieee802154.h
index d043449a079d..d40379876b84 100644
--- a/include/linux/ieee802154.h
+++ b/include/linux/ieee802154.h
@@ -30,6 +30,8 @@
#define IEEE802154_MTU 127
#define IEEE802154_MIN_PSDU_LEN 5
+#define IEEE802154_PAN_ID_BROADCAST 0xffff
+
#define IEEE802154_EXTENDED_ADDR_LEN 8
#define IEEE802154_FC_TYPE_BEACON 0x0 /* Frame is beacon */
diff --git a/include/net/cfg802154.h b/include/net/cfg802154.h
index 391fdb37208d..d07b0726b285 100644
--- a/include/net/cfg802154.h
+++ b/include/net/cfg802154.h
@@ -38,6 +38,8 @@ struct cfg802154_ops {
void (*del_virtual_intf_deprecated)(struct wpan_phy *wpan_phy,
struct net_device *dev);
int (*set_channel)(struct wpan_phy *wpan_phy, u8 page, u8 channel);
+ int (*set_pan_id)(struct wpan_phy *wpan_phy,
+ struct wpan_dev *wpan_dev, u16 pan_id);
};
struct wpan_phy {
diff --git a/net/ieee802154/nl802154.c b/net/ieee802154/nl802154.c
index d8ef2c8a182f..88cd1293283a 100644
--- a/net/ieee802154/nl802154.c
+++ b/net/ieee802154/nl802154.c
@@ -570,6 +570,29 @@ static int nl802154_set_channel(struct sk_buff *skb, struct genl_info *info)
return rdev_set_channel(rdev, page, channel);
}
+static int nl802154_set_pan_id(struct sk_buff *skb, struct genl_info *info)
+{
+ struct cfg802154_registered_device *rdev = info->user_ptr[0];
+ struct net_device *dev = info->user_ptr[1];
+ struct wpan_dev *wpan_dev = dev->ieee802154_ptr;
+ u16 pan_id;
+
+ /* conflict here while tx/rx calls */
+ if (netif_running(dev))
+ return -EBUSY;
+
+ /* don't change address fields on monitor */
+ if (wpan_dev->iftype == NL802154_IFTYPE_MONITOR)
+ return -EINVAL;
+
+ if (!info->attrs[NL802154_ATTR_PAN_ID])
+ return -EINVAL;
+
+ pan_id = nla_get_u16(info->attrs[NL802154_ATTR_PAN_ID]);
+
+ return rdev_set_pan_id(rdev, wpan_dev, pan_id);
+}
+
#define NL802154_FLAG_NEED_WPAN_PHY 0x01
#define NL802154_FLAG_NEED_NETDEV 0x02
#define NL802154_FLAG_NEED_RTNL 0x04
@@ -688,6 +711,14 @@ static const struct genl_ops nl802154_ops[] = {
.internal_flags = NL802154_FLAG_NEED_WPAN_PHY |
NL802154_FLAG_NEED_RTNL,
},
+ {
+ .cmd = NL802154_CMD_SET_PAN_ID,
+ .doit = nl802154_set_pan_id,
+ .policy = nl802154_policy,
+ .flags = GENL_ADMIN_PERM,
+ .internal_flags = NL802154_FLAG_NEED_NETDEV |
+ NL802154_FLAG_NEED_RTNL,
+ },
};
/* initialisation/exit functions */
diff --git a/net/ieee802154/rdev-ops.h b/net/ieee802154/rdev-ops.h
index 8a3b0eb4e026..4115ea264fd5 100644
--- a/net/ieee802154/rdev-ops.h
+++ b/net/ieee802154/rdev-ops.h
@@ -27,4 +27,11 @@ rdev_set_channel(struct cfg802154_registered_device *rdev, const u8 page,
return rdev->ops->set_channel(&rdev->wpan_phy, page, channel);
}
+static inline int
+rdev_set_pan_id(struct cfg802154_registered_device *rdev,
+ struct wpan_dev *wpan_dev, u16 pan_id)
+{
+ return rdev->ops->set_pan_id(&rdev->wpan_phy, wpan_dev, pan_id);
+}
+
#endif /* __CFG802154_RDEV_OPS */
diff --git a/net/mac802154/cfg.c b/net/mac802154/cfg.c
index 9d5b1895c752..db6e5e981a83 100644
--- a/net/mac802154/cfg.c
+++ b/net/mac802154/cfg.c
@@ -64,8 +64,28 @@ ieee802154_set_channel(struct wpan_phy *wpan_phy, const u8 page,
return ret;
}
+static int ieee802154_set_pan_id(struct wpan_phy *wpan_phy,
+ struct wpan_dev *wpan_dev, const u16 pan_id)
+{
+ ASSERT_RTNL();
+
+ /* TODO
+ * I am not sure about to check here on broadcast pan_id.
+ * Broadcast is a valid setting, comment from 802.15.4:
+ * If this value is 0xffff, the device is not associated.
+ *
+ * This could useful to simple deassociate an device.
+ */
+ if (pan_id == IEEE802154_PAN_ID_BROADCAST)
+ return -EINVAL;
+
+ wpan_dev->pan_id = cpu_to_le16(pan_id);
+ return 0;
+}
+
const struct cfg802154_ops mac802154_config_ops = {
.add_virtual_intf_deprecated = ieee802154_add_iface_deprecated,
.del_virtual_intf_deprecated = ieee802154_del_iface_deprecated,
.set_channel = ieee802154_set_channel,
+ .set_pan_id = ieee802154_set_pan_id,
};