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authorJohannes Berg <johannes.berg@intel.com>2013-02-21 23:09:09 +0400
committerJohannes Berg <johannes.berg@intel.com>2013-03-06 19:35:49 +0400
commitf62fab735e99af2190eba03f565adaca5c002882 (patch)
tree450eb619c553539cc7515b16499d77a698b17029 /net/wireless/mlme.c
parentdd5ecfeac8d1a96d0aba6bbcaec431756f8d8854 (diff)
downloadlinux-f62fab735e99af2190eba03f565adaca5c002882.tar.xz
cfg80211: refactor association parameters
cfg80211_mlme_assoc() has grown far too many arguments, make the caller build almost all of the driver struct and pass that to the function instead. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/wireless/mlme.c')
-rw-r--r--net/wireless/mlme.c64
1 files changed, 16 insertions, 48 deletions
diff --git a/net/wireless/mlme.c b/net/wireless/mlme.c
index c82adfee7697..390198bf4b36 100644
--- a/net/wireless/mlme.c
+++ b/net/wireless/mlme.c
@@ -363,26 +363,18 @@ void cfg80211_oper_and_vht_capa(struct ieee80211_vht_cap *vht_capa,
int __cfg80211_mlme_assoc(struct cfg80211_registered_device *rdev,
struct net_device *dev,
struct ieee80211_channel *chan,
- const u8 *bssid, const u8 *prev_bssid,
+ const u8 *bssid,
const u8 *ssid, int ssid_len,
- const u8 *ie, int ie_len, bool use_mfp,
- struct cfg80211_crypto_settings *crypt,
- u32 assoc_flags, struct ieee80211_ht_cap *ht_capa,
- struct ieee80211_ht_cap *ht_capa_mask,
- struct ieee80211_vht_cap *vht_capa,
- struct ieee80211_vht_cap *vht_capa_mask)
+ struct cfg80211_assoc_request *req)
{
struct wireless_dev *wdev = dev->ieee80211_ptr;
- struct cfg80211_assoc_request req;
int err;
bool was_connected = false;
ASSERT_WDEV_LOCK(wdev);
- memset(&req, 0, sizeof(req));
-
- if (wdev->current_bss && prev_bssid &&
- ether_addr_equal(wdev->current_bss->pub.bssid, prev_bssid)) {
+ if (wdev->current_bss && req->prev_bssid &&
+ ether_addr_equal(wdev->current_bss->pub.bssid, req->prev_bssid)) {
/*
* Trying to reassociate: Allow this to proceed and let the old
* association to be dropped when the new one is completed.
@@ -394,47 +386,30 @@ int __cfg80211_mlme_assoc(struct cfg80211_registered_device *rdev,
} else if (wdev->current_bss)
return -EALREADY;
- req.ie = ie;
- req.ie_len = ie_len;
- memcpy(&req.crypto, crypt, sizeof(req.crypto));
- req.use_mfp = use_mfp;
- req.prev_bssid = prev_bssid;
- req.flags = assoc_flags;
- if (ht_capa)
- memcpy(&req.ht_capa, ht_capa, sizeof(req.ht_capa));
- if (ht_capa_mask)
- memcpy(&req.ht_capa_mask, ht_capa_mask,
- sizeof(req.ht_capa_mask));
- cfg80211_oper_and_ht_capa(&req.ht_capa_mask,
+ cfg80211_oper_and_ht_capa(&req->ht_capa_mask,
rdev->wiphy.ht_capa_mod_mask);
- if (vht_capa)
- memcpy(&req.vht_capa, vht_capa, sizeof(req.vht_capa));
- if (vht_capa_mask)
- memcpy(&req.vht_capa_mask, vht_capa_mask,
- sizeof(req.vht_capa_mask));
- cfg80211_oper_and_vht_capa(&req.vht_capa_mask,
+ cfg80211_oper_and_vht_capa(&req->vht_capa_mask,
rdev->wiphy.vht_capa_mod_mask);
- req.bss = cfg80211_get_bss(&rdev->wiphy, chan, bssid, ssid, ssid_len,
- WLAN_CAPABILITY_ESS, WLAN_CAPABILITY_ESS);
- if (!req.bss) {
+ req->bss = cfg80211_get_bss(&rdev->wiphy, chan, bssid, ssid, ssid_len,
+ WLAN_CAPABILITY_ESS, WLAN_CAPABILITY_ESS);
+ if (!req->bss) {
if (was_connected)
wdev->sme_state = CFG80211_SME_CONNECTED;
return -ENOENT;
}
- err = cfg80211_can_use_chan(rdev, wdev, req.bss->channel,
- CHAN_MODE_SHARED);
+ err = cfg80211_can_use_chan(rdev, wdev, chan, CHAN_MODE_SHARED);
if (err)
goto out;
- err = rdev_assoc(rdev, dev, &req);
+ err = rdev_assoc(rdev, dev, req);
out:
if (err) {
if (was_connected)
wdev->sme_state = CFG80211_SME_CONNECTED;
- cfg80211_put_bss(&rdev->wiphy, req.bss);
+ cfg80211_put_bss(&rdev->wiphy, req->bss);
}
return err;
@@ -443,24 +418,17 @@ out:
int cfg80211_mlme_assoc(struct cfg80211_registered_device *rdev,
struct net_device *dev,
struct ieee80211_channel *chan,
- const u8 *bssid, const u8 *prev_bssid,
+ const u8 *bssid,
const u8 *ssid, int ssid_len,
- const u8 *ie, int ie_len, bool use_mfp,
- struct cfg80211_crypto_settings *crypt,
- u32 assoc_flags, struct ieee80211_ht_cap *ht_capa,
- struct ieee80211_ht_cap *ht_capa_mask,
- struct ieee80211_vht_cap *vht_capa,
- struct ieee80211_vht_cap *vht_capa_mask)
+ struct cfg80211_assoc_request *req)
{
struct wireless_dev *wdev = dev->ieee80211_ptr;
int err;
mutex_lock(&rdev->devlist_mtx);
wdev_lock(wdev);
- err = __cfg80211_mlme_assoc(rdev, dev, chan, bssid, prev_bssid,
- ssid, ssid_len, ie, ie_len, use_mfp, crypt,
- assoc_flags, ht_capa, ht_capa_mask,
- vht_capa, vht_capa_mask);
+ err = __cfg80211_mlme_assoc(rdev, dev, chan, bssid,
+ ssid, ssid_len, req);
wdev_unlock(wdev);
mutex_unlock(&rdev->devlist_mtx);