diff options
| author | Jouni Malinen <jouni@qca.qualcomm.com> | 2016-03-29 12:53:28 +0200 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2016-04-06 15:09:28 +0200 |
| commit | 4ce2bd9c4c1dfb416206ff1ad5283f6d24af4031 (patch) | |
| tree | bda1737b572117dbe5fdf04d6aa15cfae24c63ce /net | |
| parent | cfg80211: Add option to specify previous BSSID for Connect command (diff) | |
| download | linux-4ce2bd9c4c1dfb416206ff1ad5283f6d24af4031.tar.xz linux-4ce2bd9c4c1dfb416206ff1ad5283f6d24af4031.zip | |
cfg80211: Allow reassociation to be requested with internal SME
If the user space issues a NL80211_CMD_CONNECT with
NL80211_ATTR_PREV_BSSID when there is already a connection, allow this
to proceed as a reassociation instead of rejecting the new connect
command with EALREADY.
Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>
[validate prev_bssid]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net')
| -rw-r--r-- | net/wireless/nl80211.c | 3 | ||||
| -rw-r--r-- | net/wireless/sme.c | 14 |
2 files changed, 14 insertions, 3 deletions
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index 4f89e2dbb70e..4f45a2913104 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -8151,7 +8151,8 @@ static int nl80211_connect(struct sk_buff *skb, struct genl_info *info) } wdev_lock(dev->ieee80211_ptr); - err = cfg80211_connect(rdev, dev, &connect, connkeys, NULL); + err = cfg80211_connect(rdev, dev, &connect, connkeys, + connect.prev_bssid); wdev_unlock(dev->ieee80211_ptr); if (err) kzfree(connkeys); diff --git a/net/wireless/sme.c b/net/wireless/sme.c index 65882d2777c0..1fba41676428 100644 --- a/net/wireless/sme.c +++ b/net/wireless/sme.c @@ -492,8 +492,18 @@ static int cfg80211_sme_connect(struct wireless_dev *wdev, if (!rdev->ops->auth || !rdev->ops->assoc) return -EOPNOTSUPP; - if (wdev->current_bss) - return -EALREADY; + if (wdev->current_bss) { + if (!prev_bssid) + return -EALREADY; + if (prev_bssid && + !ether_addr_equal(prev_bssid, wdev->current_bss->pub.bssid)) + return -ENOTCONN; + cfg80211_unhold_bss(wdev->current_bss); + cfg80211_put_bss(wdev->wiphy, &wdev->current_bss->pub); + wdev->current_bss = NULL; + + cfg80211_sme_free(wdev); + } if (WARN_ON(wdev->conn)) return -EINPROGRESS; |