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authorAlexander Aring <alex.aring@gmail.com>2014-11-12 03:36:59 +0100
committerMarcel Holtmann <marcel@holtmann.org>2014-11-12 05:10:40 +0100
commit656a999e8701c1e3d17040f051d3a080ec6c710c (patch)
treea20af2f92a05c2ab17410be17c3b563fd6f72afb /net/mac802154/cfg.c
parent9830c62a0b3d57d9d00880989cfe987f581bc03f (diff)
ieee820154: add backoff exponent setting support
This patch adds support for setting backoff exponents via nl802154 framework. Signed-off-by: Alexander Aring <alex.aring@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Diffstat (limited to 'net/mac802154/cfg.c')
-rw-r--r--net/mac802154/cfg.c18
1 files changed, 18 insertions, 0 deletions
diff --git a/net/mac802154/cfg.c b/net/mac802154/cfg.c
index df29976d1321..67c96f981693 100644
--- a/net/mac802154/cfg.c
+++ b/net/mac802154/cfg.c
@@ -84,6 +84,23 @@ static int ieee802154_set_pan_id(struct wpan_phy *wpan_phy,
}
static int
+ieee802154_set_backoff_exponent(struct wpan_phy *wpan_phy,
+ struct wpan_dev *wpan_dev,
+ const u8 min_be, const u8 max_be)
+{
+ struct ieee802154_local *local = wpan_phy_priv(wpan_phy);
+
+ ASSERT_RTNL();
+
+ if (!(local->hw.flags & IEEE802154_HW_CSMA_PARAMS))
+ return -EOPNOTSUPP;
+
+ wpan_dev->min_be = min_be;
+ wpan_dev->max_be = max_be;
+ return 0;
+}
+
+static int
ieee802154_set_short_addr(struct wpan_phy *wpan_phy, struct wpan_dev *wpan_dev,
const u16 short_addr)
{
@@ -114,4 +131,5 @@ const struct cfg802154_ops mac802154_config_ops = {
.set_channel = ieee802154_set_channel,
.set_pan_id = ieee802154_set_pan_id,
.set_short_addr = ieee802154_set_short_addr,
+ .set_backoff_exponent = ieee802154_set_backoff_exponent,
};