From bd28a11f25f2c2a563620e7be588dc4dd8a91396 Mon Sep 17 00:00:00 2001 From: Alexander Aring Date: Wed, 5 Nov 2014 20:51:18 +0100 Subject: [PATCH] ieee802154: remove mlme get_phy callback This patch removes the get_phy callback from mlme ops structure. Instead we doing a dereference via ieee802154_ptr dev pointer. For backwards compatibility we need to run get_device after dereference wpan_phy via ieee802154_ptr. Signed-off-by: Alexander Aring Signed-off-by: Marcel Holtmann --- include/net/ieee802154_netdev.h | 12 ------------ net/ieee802154/6lowpan_rtnl.c | 8 -------- net/ieee802154/nl-mac.c | 6 ++++-- net/ieee802154/nl-phy.c | 3 ++- net/mac802154/iface.c | 1 - net/mac802154/mac_cmd.c | 14 -------------- 6 files changed, 6 insertions(+), 38 deletions(-) diff --git a/include/net/ieee802154_netdev.h b/include/net/ieee802154_netdev.h index 5e62d75..83bb8a73 100644 --- a/include/net/ieee802154_netdev.h +++ b/include/net/ieee802154_netdev.h @@ -423,8 +423,6 @@ struct ieee802154_mlme_ops { /* The fields below are required. */ - struct wpan_phy *(*get_phy)(const struct net_device *dev); - /* * FIXME: these should become the part of PIB/MIB interface. * However we still don't have IB interface of any kind @@ -434,16 +432,6 @@ struct ieee802154_mlme_ops { u8 (*get_dsn)(const struct net_device *dev); }; -/* The IEEE 802.15.4 standard defines 2 type of the devices: - * - FFD - full functionality device - * - RFD - reduce functionality device - * - * So 2 sets of mlme operations are needed - */ -struct ieee802154_reduced_mlme_ops { - struct wpan_phy *(*get_phy)(const struct net_device *dev); -}; - static inline struct ieee802154_mlme_ops * ieee802154_mlme_ops(const struct net_device *dev) { diff --git a/net/ieee802154/6lowpan_rtnl.c b/net/ieee802154/6lowpan_rtnl.c index 659f7b2..a96b64c 100644 --- a/net/ieee802154/6lowpan_rtnl.c +++ b/net/ieee802154/6lowpan_rtnl.c @@ -407,13 +407,6 @@ static netdev_tx_t lowpan_xmit(struct sk_buff *skb, struct net_device *dev) } } -static struct wpan_phy *lowpan_get_phy(const struct net_device *dev) -{ - struct net_device *real_dev = lowpan_dev_info(dev)->real_dev; - - return ieee802154_mlme_ops(real_dev)->get_phy(real_dev); -} - static __le16 lowpan_get_pan_id(const struct net_device *dev) { struct net_device *real_dev = lowpan_dev_info(dev)->real_dev; @@ -465,7 +458,6 @@ static const struct net_device_ops lowpan_netdev_ops = { static struct ieee802154_mlme_ops lowpan_mlme = { .get_pan_id = lowpan_get_pan_id, - .get_phy = lowpan_get_phy, .get_short_addr = lowpan_get_short_addr, .get_dsn = lowpan_get_dsn, }; diff --git a/net/ieee802154/nl-mac.c b/net/ieee802154/nl-mac.c index 91a1855..7127b9d 100644 --- a/net/ieee802154/nl-mac.c +++ b/net/ieee802154/nl-mac.c @@ -94,8 +94,9 @@ static int ieee802154_nl_fill_iface(struct sk_buff *msg, u32 portid, goto out; ops = ieee802154_mlme_ops(dev); - phy = ops->get_phy(dev); + phy = dev->ieee802154_ptr->wpan_phy; BUG_ON(!phy); + get_device(&phy->dev); short_addr = ops->get_short_addr(dev); pan_id = ops->get_pan_id(dev); @@ -493,7 +494,8 @@ int ieee802154_set_macparams(struct sk_buff *skb, struct genl_info *info) !info->attrs[IEEE802154_ATTR_FRAME_RETRIES]) goto out; - phy = ops->get_phy(dev); + phy = dev->ieee802154_ptr->wpan_phy; + get_device(&phy->dev); ops->get_mac_params(dev, ¶ms); diff --git a/net/ieee802154/nl-phy.c b/net/ieee802154/nl-phy.c index 397ca126..80a946d 100644 --- a/net/ieee802154/nl-phy.c +++ b/net/ieee802154/nl-phy.c @@ -287,8 +287,9 @@ int ieee802154_del_iface(struct sk_buff *skb, struct genl_info *info) if (!dev) return -ENODEV; - phy = ieee802154_mlme_ops(dev)->get_phy(dev); + phy = dev->ieee802154_ptr->wpan_phy; BUG_ON(!phy); + get_device(&phy->dev); rc = -EINVAL; /* phy name is optional, but should be checked if it's given */ diff --git a/net/mac802154/iface.c b/net/mac802154/iface.c index f9ed608..2e2638e 100644 --- a/net/mac802154/iface.c +++ b/net/mac802154/iface.c @@ -428,7 +428,6 @@ ieee802154_setup_sdata(struct ieee802154_sub_if_data *sdata, int type) case IEEE802154_DEV_MONITOR: sdata->dev->destructor = free_netdev; sdata->dev->netdev_ops = &mac802154_monitor_ops; - sdata->dev->ml_priv = &mac802154_mlme_reduced; sdata->promisuous_mode = true; break; default: diff --git a/net/mac802154/mac_cmd.c b/net/mac802154/mac_cmd.c index e1ad83e..00b2b21 100644 --- a/net/mac802154/mac_cmd.c +++ b/net/mac802154/mac_cmd.c @@ -67,15 +67,6 @@ static int mac802154_mlme_start_req(struct net_device *dev, return rc; } -static struct wpan_phy *mac802154_get_phy(const struct net_device *dev) -{ - struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev); - - BUG_ON(dev->type != ARPHRD_IEEE802154); - - return to_phy(get_device(&sdata->local->phy->dev)); -} - static int mac802154_set_mac_params(struct net_device *dev, const struct ieee802154_mac_params *params) { @@ -134,12 +125,7 @@ static struct ieee802154_llsec_ops mac802154_llsec_ops = { .unlock_table = mac802154_unlock_table, }; -struct ieee802154_reduced_mlme_ops mac802154_mlme_reduced = { - .get_phy = mac802154_get_phy, -}; - struct ieee802154_mlme_ops mac802154_mlme_wpan = { - .get_phy = mac802154_get_phy, .start_req = mac802154_mlme_start_req, .get_pan_id = mac802154_dev_get_pan_id, .get_short_addr = mac802154_dev_get_short_addr, -- 2.7.4