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authorAlexander Aring <alex.aring@gmail.com>2014-11-12 03:37:01 +0100
committerMarcel Holtmann <marcel@holtmann.org>2014-11-12 05:10:41 +0100
commita01ba7652cda5602b248efff168450ec658640b8 (patch)
tree7996fe317a9b6fd68114fba957b547abf3c2d9c2 /net/mac802154
parenta8d352d458bba4603abd996e541c7f206a101f26 (diff)
downloadlinux-a01ba7652cda5602b248efff168450ec658640b8.tar.bz2
ieee820154: add max csma backoffs setting support
This patch add support for max csma backoffs setting 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')
-rw-r--r--net/mac802154/cfg.c16
1 files changed, 16 insertions, 0 deletions
diff --git a/net/mac802154/cfg.c b/net/mac802154/cfg.c
index 67c96f981693..d72feebb939d 100644
--- a/net/mac802154/cfg.c
+++ b/net/mac802154/cfg.c
@@ -125,6 +125,21 @@ ieee802154_set_short_addr(struct wpan_phy *wpan_phy, struct wpan_dev *wpan_dev,
return 0;
}
+static int ieee802154_set_max_csma_backoffs(struct wpan_phy *wpan_phy,
+ struct wpan_dev *wpan_dev,
+ const u8 max_csma_backoffs)
+{
+ struct ieee802154_local *local = wpan_phy_priv(wpan_phy);
+
+ ASSERT_RTNL();
+
+ if (!(local->hw.flags & IEEE802154_HW_CSMA_PARAMS))
+ return -EOPNOTSUPP;
+
+ wpan_dev->csma_retries = max_csma_backoffs;
+ return 0;
+}
+
const struct cfg802154_ops mac802154_config_ops = {
.add_virtual_intf_deprecated = ieee802154_add_iface_deprecated,
.del_virtual_intf_deprecated = ieee802154_del_iface_deprecated,
@@ -132,4 +147,5 @@ const struct cfg802154_ops mac802154_config_ops = {
.set_pan_id = ieee802154_set_pan_id,
.set_short_addr = ieee802154_set_short_addr,
.set_backoff_exponent = ieee802154_set_backoff_exponent,
+ .set_max_csma_backoffs = ieee802154_set_max_csma_backoffs,
};