ieee820154: add max frame retries setting support

This patch add support for setting mac frame retries setting via
nl802154 framework.

Signed-off-by: Alexander Aring <alex.aring@gmail.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>

1 files changed, 16 insertions, 0 deletions

diff --git a/net/mac802154/cfg.c b/net/mac802154/cfg.c
index d72feebb939d..a8f6eaa76d4d 100644
--- a/net/mac802154/cfg.c
+++ b/net/mac802154/cfg.c
@@ -140,6 +140,21 @@ static int ieee802154_set_max_csma_backoffs(struct wpan_phy *wpan_phy,
         return 0;
 }
 
+static int ieee802154_set_max_frame_retries(struct wpan_phy *wpan_phy,
+                                            struct wpan_dev *wpan_dev,
+                                            const s8 max_frame_retries)
+{
+        struct ieee802154_local *local = wpan_phy_priv(wpan_phy);
+
+        ASSERT_RTNL();
+
+        if (!(local->hw.flags & IEEE802154_HW_FRAME_RETRIES))
+                return -EOPNOTSUPP;
+
+        wpan_dev->frame_retries = max_frame_retries;
+        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,
@@ -148,4 +163,5 @@ const struct cfg802154_ops mac802154_config_ops = {
         .set_short_addr = ieee802154_set_short_addr,
         .set_backoff_exponent = ieee802154_set_backoff_exponent,
         .set_max_csma_backoffs = ieee802154_set_max_csma_backoffs,
+        .set_max_frame_retries = ieee802154_set_max_frame_retries,
 };