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| author |   Alexander Aring <alex.aring@gmail.com> | 2014-11-12 03:37:01 +0100 |
|---|---|---|
| committer |   Marcel Holtmann <marcel@holtmann.org> | 2014-11-12 05:10:41 +0100 |
| commit | a01ba7652cda5602b248efff168450ec658640b8 (patch) | |
| tree | 7996fe317a9b6fd68114fba957b547abf3c2d9c2 /net/mac802154 | |
| parent | at86rf230: remove invalid backoff exponent check (diff) | |
| download | linux-dev-a01ba7652cda5602b248efff168450ec658640b8.tar.xz linux-dev-a01ba7652cda5602b248efff168450ec658640b8.zip | |
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.c | 16 |
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, }; |