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cfg80211: notify drivers about frame registrations

Browse source 
Drivers may need to adjust their filters according
to frame registrations, so notify them about them.

Signed-off-by: Johannes Berg <[email protected]>
Signed-off-by: John W. Linville <[email protected]>
This commit is contained in:
Johannes Berg 2010-10-13 12:06:23 +02:00 • committed by John W. Linville
commit 271733cf84
2 changed files with 27 additions and 3 deletions
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23
net/wireless/mlme.c
View file

@ -764,6 +764,8 @@ int cfg80211_mlme_register_mgmt(struct wireless_dev *wdev, u32 snd_pid,
u16 frame_type, const u8 *match_data,
int match_len)
{
struct wiphy *wiphy = wdev->wiphy;
struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
struct cfg80211_mgmt_registration *reg, *nreg;
int err = 0;
u16 mgmt_type;
@ -810,22 +812,37 @@ int cfg80211_mlme_register_mgmt(struct wireless_dev *wdev, u32 snd_pid,
nreg->frame_type = cpu_to_le16(frame_type);
list_add(&nreg->list, &wdev->mgmt_registrations);
if (rdev->ops->mgmt_frame_register)
rdev->ops->mgmt_frame_register(wiphy, wdev->netdev,
frame_type, true);
out:
spin_unlock_bh(&wdev->mgmt_registrations_lock);
return err;
}
void cfg80211_mlme_unregister_socket(struct wireless_dev *wdev, u32 nlpid)
{
struct wiphy *wiphy = wdev->wiphy;
struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
struct cfg80211_mgmt_registration *reg, *tmp;
spin_lock_bh(&wdev->mgmt_registrations_lock);
list_for_each_entry_safe(reg, tmp, &wdev->mgmt_registrations, list) {
if (reg->nlpid == nlpid) {
list_del(&reg->list);
kfree(reg);
if (reg->nlpid != nlpid)
continue;
if (rdev->ops->mgmt_frame_register) {
u16 frame_type = le16_to_cpu(reg->frame_type);
rdev->ops->mgmt_frame_register(wiphy, wdev->netdev,
frame_type, false);
}
list_del(&reg->list);
kfree(reg);
}
spin_unlock_bh(&wdev->mgmt_registrations_lock);