This patch introduce the NL802154_CMD_SET_INTERFACE command which
handles setting of all wpan interface mac attributes. his will introduce
an easilier wpan mac settings handling in userspace application with
nl802154.
Signed-off-by: Alexander Aring <alex.aring@xxxxxxxxx>
---
net/ieee802154/nl802154.c | 110 ++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 110 insertions(+)
diff --git a/net/ieee802154/nl802154.c b/net/ieee802154/nl802154.c
index c12c07f..e2f50ba 100644
--- a/net/ieee802154/nl802154.c
+++ b/net/ieee802154/nl802154.c
@@ -603,6 +603,108 @@ static int nl802154_get_interface(struct sk_buff *skb, struct genl_info *info)
return genlmsg_reply(msg, info);
}
+static int nl802154_set_interface(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;
+ int ret;
+
+ if (info->attrs[NL802154_ATTR_PAN_ID]) {
+ __le16 pan_id;
+
+ if (wpan_dev->iftype == NL802154_IFTYPE_MONITOR)
+ return -EINVAL;
+
+ if (netif_running(dev))
+ return -EBUSY;
+
+ pan_id = nla_get_le16(info->attrs[NL802154_ATTR_PAN_ID]);
+ ret = rdev_set_pan_id(rdev, wpan_dev, pan_id);
+ if (ret < 0)
+ return ret;
+ }
+
+ if (info->attrs[NL802154_ATTR_SHORT_ADDR]) {
+ __le16 short_addr;
+
+ if (wpan_dev->iftype == NL802154_IFTYPE_MONITOR)
+ return -EINVAL;
+
+ if (netif_running(dev))
+ return -EBUSY;
+
+ short_addr = nla_get_le16(info->attrs[NL802154_ATTR_SHORT_ADDR]);
+
+ ret = rdev_set_short_addr(rdev, wpan_dev, short_addr);
+ if (ret < 0)
+ return ret;
+ }
+
+ if (info->attrs[NL802154_ATTR_MAX_FRAME_RETRIES]) {
+ s8 max_frame_retries;
+
+ if (netif_running(dev))
+ return -EBUSY;
+
+ max_frame_retries = nla_get_s8(
+ info->attrs[NL802154_ATTR_MAX_FRAME_RETRIES]);
+ if (max_frame_retries < -1 || max_frame_retries > 7)
+ return -EINVAL;
+
+ ret = rdev_set_max_frame_retries(rdev, wpan_dev,
+ max_frame_retries);
+ if (ret < 0)
+ return ret;
+ }
+
+ if (info->attrs[NL802154_ATTR_MIN_BE] &&
+ info->attrs[NL802154_ATTR_MAX_BE]) {
+ u8 min_be, max_be;
+
+ if (netif_running(dev))
+ return -EBUSY;
+
+ min_be = nla_get_u8(info->attrs[NL802154_ATTR_MIN_BE]);
+ max_be = nla_get_u8(info->attrs[NL802154_ATTR_MAX_BE]);
+ if (max_be < 3 || max_be > 8 || min_be > max_be)
+ return -EINVAL;
+
+ ret = rdev_set_backoff_exponent(rdev, wpan_dev, min_be, max_be);
+ if (ret < 0)
+ return ret;
+ }
+
+ if (info->attrs[NL802154_ATTR_MAX_CSMA_BACKOFFS]) {
+ u8 max_csma_backoffs;
+
+ if (netif_running(dev))
+ return -EBUSY;
+
+ max_csma_backoffs = nla_get_u8(
+ info->attrs[NL802154_ATTR_MAX_CSMA_BACKOFFS]);
+ if (max_csma_backoffs > 5)
+ return -EINVAL;
+
+ ret = rdev_set_max_csma_backoffs(rdev, wpan_dev,
+ max_csma_backoffs);
+ if (ret < 0)
+ return ret;
+ }
+
+ if (info->attrs[NL802154_ATTR_LBT_MODE]) {
+ bool mode;
+
+ if (netif_running(dev))
+ return -EBUSY;
+
+ mode = !!nla_get_u8(info->attrs[NL802154_ATTR_LBT_MODE]);
+ return rdev_set_lbt_mode(rdev, wpan_dev, mode);
+ }
+
+ return 0;
+}
+
static int nl802154_new_interface(struct sk_buff *skb, struct genl_info *info)
{
struct cfg802154_registered_device *rdev = info->user_ptr[0];
@@ -964,6 +1066,14 @@ static const struct genl_ops nl802154_ops[] = {
NL802154_FLAG_NEED_RTNL,
},
{
+ .cmd = NL802154_CMD_SET_INTERFACE,
+ .doit = nl802154_set_interface,
+ .policy = nl802154_policy,
+ .flags = GENL_ADMIN_PERM,
+ .internal_flags = NL802154_FLAG_NEED_NETDEV |
+ NL802154_FLAG_NEED_RTNL,
+ },
+ {
.cmd = NL802154_CMD_DEL_INTERFACE,
.doit = nl802154_del_interface,
.policy = nl802154_policy,
--
2.3.5
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