From 656a999e8701c1e3d17040f051d3a080ec6c710c Mon Sep 17 00:00:00 2001 From: Alexander Aring Date: Wed, 12 Nov 2014 03:36:59 +0100 Subject: ieee820154: add backoff exponent setting support This patch adds support for setting backoff exponents via nl802154 framework. Signed-off-by: Alexander Aring Signed-off-by: Marcel Holtmann --- net/mac802154/cfg.c | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) (limited to 'net/mac802154/cfg.c') 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 @@ -83,6 +83,23 @@ static int ieee802154_set_pan_id(struct wpan_phy *wpan_phy, return 0; } +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, }; -- cgit v1.2.3