From ab737a4f7dbe57b12b73f482a7b973bf00b41942 Mon Sep 17 00:00:00 2001 From: Johannes Berg Date: Wed, 1 Jul 2009 21:26:58 +0200 Subject: [PATCH] cfg80211: implement IWAP for WDS This implements siocsiwap/giwap for WDS mode. Signed-off-by: Johannes Berg Signed-off-by: John W. Linville --- include/net/cfg80211.h | 10 +++++++++ net/mac80211/cfg.c | 11 +++++++++ net/mac80211/wext.c | 26 ++++----------------- net/wireless/wext-compat.c | 46 ++++++++++++++++++++++++++++++++++++++ 4 files changed, 71 insertions(+), 22 deletions(-) diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h index 82b7d804f6da..b396d11564bc 100644 --- a/include/net/cfg80211.h +++ b/include/net/cfg80211.h @@ -1018,6 +1018,9 @@ struct cfg80211_ops { enum tx_power_setting type, int dbm); int (*get_tx_power)(struct wiphy *wiphy, int *dbm); + int (*set_wds_peer)(struct wiphy *wiphy, struct net_device *dev, + u8 *addr); + void (*rfkill_poll)(struct wiphy *wiphy); #ifdef CONFIG_NL80211_TESTMODE @@ -1619,6 +1622,13 @@ int cfg80211_wext_giwpower(struct net_device *dev, struct iw_request_info *info, struct iw_param *wrq, char *extra); +int cfg80211_wds_wext_siwap(struct net_device *dev, + struct iw_request_info *info, + struct sockaddr *addr, char *extra); +int cfg80211_wds_wext_giwap(struct net_device *dev, + struct iw_request_info *info, + struct sockaddr *addr, char *extra); + /* * callbacks for asynchronous cfg80211 methods, notification * functions and BSS handling helpers diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c index 8c7b2cdbeeda..2cf5bf6378e4 100644 --- a/net/mac80211/cfg.c +++ b/net/mac80211/cfg.c @@ -1369,6 +1369,16 @@ static int ieee80211_get_tx_power(struct wiphy *wiphy, int *dbm) return 0; } +static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev, + u8 *addr) +{ + struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); + + memcpy(&sdata->u.wds.remote_addr, addr, ETH_ALEN); + + return 0; +} + static void ieee80211_rfkill_poll(struct wiphy *wiphy) { struct ieee80211_local *local = wiphy_priv(wiphy); @@ -1454,6 +1464,7 @@ struct cfg80211_ops mac80211_config_ops = { .set_wiphy_params = ieee80211_set_wiphy_params, .set_tx_power = ieee80211_set_tx_power, .get_tx_power = ieee80211_get_tx_power, + .set_wds_peer = ieee80211_set_wds_peer, .rfkill_poll = ieee80211_rfkill_poll, CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd) .set_power_mgmt = ieee80211_set_power_mgmt, diff --git a/net/mac80211/wext.c b/net/mac80211/wext.c index f77929802c7a..4053d766af2d 100644 --- a/net/mac80211/wext.c +++ b/net/mac80211/wext.c @@ -140,23 +140,8 @@ static int ieee80211_ioctl_siwap(struct net_device *dev, if (sdata->vif.type == NL80211_IFTYPE_STATION) return cfg80211_mgd_wext_siwap(dev, info, ap_addr, extra); - if (sdata->vif.type == NL80211_IFTYPE_WDS) { - /* - * If it is necessary to update the WDS peer address - * while the interface is running, then we need to do - * more work here, namely if it is running we need to - * add a new and remove the old STA entry, this is - * normally handled by _open() and _stop(). - */ - if (netif_running(dev)) - return -EBUSY; - - memcpy(&sdata->u.wds.remote_addr, (u8 *) &ap_addr->sa_data, - ETH_ALEN); - - return 0; - } - + if (sdata->vif.type == NL80211_IFTYPE_WDS) + return cfg80211_wds_wext_siwap(dev, info, ap_addr, extra); return -EOPNOTSUPP; } @@ -173,11 +158,8 @@ static int ieee80211_ioctl_giwap(struct net_device *dev, if (sdata->vif.type == NL80211_IFTYPE_STATION) return cfg80211_mgd_wext_giwap(dev, info, ap_addr, extra); - if (sdata->vif.type == NL80211_IFTYPE_WDS) { - ap_addr->sa_family = ARPHRD_ETHER; - memcpy(&ap_addr->sa_data, sdata->u.wds.remote_addr, ETH_ALEN); - return 0; - } + if (sdata->vif.type == NL80211_IFTYPE_WDS) + return cfg80211_wds_wext_giwap(dev, info, ap_addr, extra); return -EOPNOTSUPP; } diff --git a/net/wireless/wext-compat.c b/net/wireless/wext-compat.c index 2e1ab78fb0d7..2f72dae2634f 100644 --- a/net/wireless/wext-compat.c +++ b/net/wireless/wext-compat.c @@ -1047,3 +1047,49 @@ int cfg80211_wext_giwpower(struct net_device *dev, return 0; } EXPORT_SYMBOL_GPL(cfg80211_wext_giwpower); + +int cfg80211_wds_wext_siwap(struct net_device *dev, + struct iw_request_info *info, + struct sockaddr *addr, char *extra) +{ + struct wireless_dev *wdev = dev->ieee80211_ptr; + struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); + int err; + + if (WARN_ON(wdev->iftype != NL80211_IFTYPE_WDS)) + return -EINVAL; + + if (addr->sa_family != ARPHRD_ETHER) + return -EINVAL; + + if (netif_running(dev)) + return -EBUSY; + + if (!rdev->ops->set_wds_peer) + return -EOPNOTSUPP; + + err = rdev->ops->set_wds_peer(wdev->wiphy, dev, (u8 *) &addr->sa_data); + if (err) + return err; + + memcpy(&wdev->wext.bssid, (u8 *) &addr->sa_data, ETH_ALEN); + + return 0; +} +EXPORT_SYMBOL_GPL(cfg80211_wds_wext_siwap); + +int cfg80211_wds_wext_giwap(struct net_device *dev, + struct iw_request_info *info, + struct sockaddr *addr, char *extra) +{ + struct wireless_dev *wdev = dev->ieee80211_ptr; + + if (WARN_ON(wdev->iftype != NL80211_IFTYPE_WDS)) + return -EINVAL; + + addr->sa_family = ARPHRD_ETHER; + memcpy(&addr->sa_data, wdev->wext.bssid, ETH_ALEN); + + return 0; +} +EXPORT_SYMBOL_GPL(cfg80211_wds_wext_giwap); -- 2.30.2