From 191dd46905ce9a25174dd9eea4ff3029802ac37c Mon Sep 17 00:00:00 2001 From: Arik Nemtsov Date: Wed, 11 Jun 2014 17:18:23 +0300 Subject: [PATCH] mac80211: split tdls_mgmt function There are setup/teardown specific actions to be done that accompany the sending of a TDLS management packet. Split the main function to simplify future additions. Signed-off-by: Arik Nemtsov Signed-off-by: Johannes Berg --- net/mac80211/tdls.c | 78 ++++++++++++++++++++++++++++++++------------- 1 file changed, 55 insertions(+), 23 deletions(-) diff --git a/net/mac80211/tdls.c b/net/mac80211/tdls.c index c4a9af3b75e5..92d203a3be07 100644 --- a/net/mac80211/tdls.c +++ b/net/mac80211/tdls.c @@ -312,31 +312,21 @@ fail: return ret; } -int ieee80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev, - const u8 *peer, u8 action_code, u8 dialog_token, - u16 status_code, u32 peer_capability, - bool initiator, const u8 *extra_ies, - size_t extra_ies_len) +static int +ieee80211_tdls_mgmt_setup(struct wiphy *wiphy, struct net_device *dev, + const u8 *peer, u8 action_code, u8 dialog_token, + u16 status_code, u32 peer_capability, bool initiator, + const u8 *extra_ies, size_t extra_ies_len) { struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); struct ieee80211_local *local = sdata->local; int ret; - if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS)) - return -ENOTSUPP; - - /* make sure we are in managed mode, and associated */ - if (sdata->vif.type != NL80211_IFTYPE_STATION || - !sdata->u.mgd.associated) - return -EINVAL; - mutex_lock(&local->mtx); /* we don't support concurrent TDLS peer setups */ if (!is_zero_ether_addr(sdata->tdls_peer) && - !ether_addr_equal(sdata->tdls_peer, peer) && - (action_code == WLAN_TDLS_SETUP_REQUEST || - action_code == WLAN_TDLS_SETUP_RESPONSE)) { + !ether_addr_equal(sdata->tdls_peer, peer)) { ret = -EBUSY; goto exit; } @@ -348,16 +338,58 @@ int ieee80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev, if (ret < 0) goto exit; - if (action_code == WLAN_TDLS_SETUP_REQUEST || - action_code == WLAN_TDLS_SETUP_RESPONSE) { - memcpy(sdata->tdls_peer, peer, ETH_ALEN); - ieee80211_queue_delayed_work(&sdata->local->hw, - &sdata->tdls_peer_del_work, - TDLS_PEER_SETUP_TIMEOUT); - } + memcpy(sdata->tdls_peer, peer, ETH_ALEN); + ieee80211_queue_delayed_work(&sdata->local->hw, + &sdata->tdls_peer_del_work, + TDLS_PEER_SETUP_TIMEOUT); exit: mutex_unlock(&local->mtx); + return ret; +} + +int ieee80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev, + const u8 *peer, u8 action_code, u8 dialog_token, + u16 status_code, u32 peer_capability, + bool initiator, const u8 *extra_ies, + size_t extra_ies_len) +{ + struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); + int ret; + + if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS)) + return -ENOTSUPP; + + /* make sure we are in managed mode, and associated */ + if (sdata->vif.type != NL80211_IFTYPE_STATION || + !sdata->u.mgd.associated) + return -EINVAL; + + switch (action_code) { + case WLAN_TDLS_SETUP_REQUEST: + case WLAN_TDLS_SETUP_RESPONSE: + ret = ieee80211_tdls_mgmt_setup(wiphy, dev, peer, action_code, + dialog_token, status_code, + peer_capability, initiator, + extra_ies, extra_ies_len); + break; + case WLAN_TDLS_TEARDOWN: + case WLAN_TDLS_SETUP_CONFIRM: + case WLAN_TDLS_DISCOVERY_REQUEST: + case WLAN_PUB_ACTION_TDLS_DISCOVER_RES: + /* no special handling */ + ret = ieee80211_tdls_prep_mgmt_packet(wiphy, dev, peer, + action_code, + dialog_token, + status_code, + peer_capability, + initiator, extra_ies, + extra_ies_len); + break; + default: + ret = -EOPNOTSUPP; + break; + } tdls_dbg(sdata, "TDLS mgmt action %d peer %pM status %d\n", action_code, peer, ret); -- 2.20.1