From c8937a1d112b1a948454f4fa2f9b747fee2a3f66 Mon Sep 17 00:00:00 2001 From: Alexander Aring Date: Wed, 12 Nov 2014 03:37:05 +0100 Subject: ieee820154: add lbt setting support This patch adds support for setting listen before transmit mode via nl802154 framework. Signed-off-by: Alexander Aring Signed-off-by: Marcel Holtmann --- net/ieee802154/nl802154.c | 25 +++++++++++++++++++++++++ 1 file changed, 25 insertions(+) (limited to 'net/ieee802154/nl802154.c') diff --git a/net/ieee802154/nl802154.c b/net/ieee802154/nl802154.c index 0e272c67c49b..ccdf33ecee0b 100644 --- a/net/ieee802154/nl802154.c +++ b/net/ieee802154/nl802154.c @@ -691,6 +691,23 @@ nl802154_set_max_frame_retries(struct sk_buff *skb, struct genl_info *info) return rdev_set_max_frame_retries(rdev, wpan_dev, max_frame_retries); } +static int nl802154_set_lbt_mode(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; + bool mode; + + if (netif_running(dev)) + return -EBUSY; + + if (!info->attrs[NL802154_ATTR_LBT_MODE]) + return -EINVAL; + + mode = !!nla_get_u8(info->attrs[NL802154_ATTR_LBT_MODE]); + return rdev_set_lbt_mode(rdev, wpan_dev, mode); +} + #define NL802154_FLAG_NEED_WPAN_PHY 0x01 #define NL802154_FLAG_NEED_NETDEV 0x02 #define NL802154_FLAG_NEED_RTNL 0x04 @@ -849,6 +866,14 @@ static const struct genl_ops nl802154_ops[] = { .internal_flags = NL802154_FLAG_NEED_NETDEV | NL802154_FLAG_NEED_RTNL, }, + { + .cmd = NL802154_CMD_SET_LBT_MODE, + .doit = nl802154_set_lbt_mode, + .policy = nl802154_policy, + .flags = GENL_ADMIN_PERM, + .internal_flags = NL802154_FLAG_NEED_NETDEV | + NL802154_FLAG_NEED_RTNL, + }, }; /* initialisation/exit functions */ -- cgit v1.2.3