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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 <arikx.nemtsov@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Arik Nemtsov 2014-06-11 17:18:23 +03:00 committed by Johannes Berg
parent 2fb6b9b8e5
commit 191dd46905
1 changed files with 55 additions and 23 deletions
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78
net/mac80211/tdls.c
View File

@ -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);