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authorAlexander Aring <alex.aring@gmail.com>2014-11-12 03:37:05 +0100
committerMarcel Holtmann <marcel@holtmann.org>2014-11-12 05:10:43 +0100
commitc8937a1d112b1a948454f4fa2f9b747fee2a3f66 (patch)
tree0030b741ec3ff4fcf40f7936a836abc0ee970b45 /net/ieee802154
parentf426fd03da1ec3954cefb7867daca4b2ba9de36c (diff)
ieee820154: add lbt setting support
This patch adds support for setting listen before transmit mode via nl802154 framework. Signed-off-by: Alexander Aring <alex.aring@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Diffstat (limited to 'net/ieee802154')
-rw-r--r--net/ieee802154/nl802154.c25
-rw-r--r--net/ieee802154/rdev-ops.h7
2 files changed, 32 insertions, 0 deletions
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 */
diff --git a/net/ieee802154/rdev-ops.h b/net/ieee802154/rdev-ops.h
index f9171aaf985e..a78f700bc821 100644
--- a/net/ieee802154/rdev-ops.h
+++ b/net/ieee802154/rdev-ops.h
@@ -68,4 +68,11 @@ rdev_set_max_frame_retries(struct cfg802154_registered_device *rdev,
max_frame_retries);
}
+static inline int
+rdev_set_lbt_mode(struct cfg802154_registered_device *rdev,
+ struct wpan_dev *wpan_dev, const bool mode)
+{
+ return rdev->ops->set_lbt_mode(&rdev->wpan_phy, wpan_dev, mode);
+}
+
#endif /* __CFG802154_RDEV_OPS */

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