Merge latest changes from google kernel/common.git

Kernel version updated to 3.0.31

Change-Id: Ifbd7150801f3beeec9cbaa566f249d8019ef9348
Signed-off-by: Roman Shaposhnikov <x0166637@ti.com>

2 files changed, 91 insertions, 17 deletions

diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index d0e5a84..4e84e22 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -175,6 +175,15 @@ static const struct nla_policy nl80211_policy[NL80211_ATTR_MAX+1] = {
 	[NL80211_ATTR_WOWLAN_TRIGGERS] = { .type = NLA_NESTED },
 	[NL80211_ATTR_STA_PLINK_STATE] = { .type = NLA_U8 },
 	[NL80211_ATTR_SCHED_SCAN_INTERVAL] = { .type = NLA_U32 },
+	[NL80211_ATTR_REKEY_DATA] = { .type = NLA_NESTED },
+	[NL80211_ATTR_SCAN_SUPP_RATES] = { .type = NLA_NESTED },
+	[NL80211_ATTR_HIDDEN_SSID] = { .type = NLA_U32 },
+	[NL80211_ATTR_IE_PROBE_RESP] = { .type = NLA_BINARY,
+					 .len = IEEE80211_MAX_DATA_LEN },
+	[NL80211_ATTR_IE_ASSOC_RESP] = { .type = NLA_BINARY,
+					 .len = IEEE80211_MAX_DATA_LEN },
+	[NL80211_ATTR_ROAM_SUPPORT] = { .type = NLA_FLAG },
+	[NL80211_ATTR_SCHED_SCAN_MATCH] = { .type = NLA_NESTED },
 };
 
 /* policy for the key attributes */
@@ -205,6 +214,12 @@ nl80211_wowlan_policy[NUM_NL80211_WOWLAN_TRIG] = {
 	[NL80211_WOWLAN_TRIG_PKT_PATTERN] = { .type = NLA_NESTED },
 };
 
+static const struct nla_policy
+nl80211_match_policy[NL80211_SCHED_SCAN_MATCH_ATTR_MAX + 1] = {
+	[NL80211_ATTR_SCHED_SCAN_MATCH_SSID] = { .type = NLA_BINARY,
+						 .len = IEEE80211_MAX_SSID_LEN },
+};
+
 /* ifidx get helper */
 static int nl80211_get_ifidx(struct netlink_callback *cb)
 {
@@ -682,8 +697,14 @@ static int nl80211_send_wiphy(struct sk_buff *msg, u32 pid, u32 seq, int flags,
 		    dev->wiphy.coverage_class);
 	NLA_PUT_U8(msg, NL80211_ATTR_MAX_NUM_SCAN_SSIDS,
 		   dev->wiphy.max_scan_ssids);
+	NLA_PUT_U8(msg, NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS,
+		   dev->wiphy.max_sched_scan_ssids);
 	NLA_PUT_U16(msg, NL80211_ATTR_MAX_SCAN_IE_LEN,
 		    dev->wiphy.max_scan_ie_len);
+	NLA_PUT_U16(msg, NL80211_ATTR_MAX_SCHED_SCAN_IE_LEN,
+		    dev->wiphy.max_sched_scan_ie_len);
+	NLA_PUT_U8(msg, NL80211_ATTR_MAX_MATCH_SETS,
+		   dev->wiphy.max_match_sets);
 
 	if (dev->wiphy.flags & WIPHY_FLAG_IBSS_RSN)
 		NLA_PUT_FLAG(msg, NL80211_ATTR_SUPPORT_IBSS_RSN);
@@ -1181,6 +1202,11 @@ static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info)
 			goto bad_res;
 		}
 
+		if (!netif_running(netdev)) {
+			result = -ENETDOWN;
+			goto bad_res;
+		}
+
 		nla_for_each_nested(nl_txq_params,
 				    info->attrs[NL80211_ATTR_WIPHY_TXQ_PARAMS],
 				    rem_txq_params) {
@@ -2208,7 +2234,7 @@ static int nl80211_send_station(struct sk_buff *msg, u32 pid, u32 seq,
 	}
 	nla_nest_end(msg, sinfoattr);
 
-	if (sinfo->assoc_req_ies)
+	if (sinfo->filled & STATION_INFO_ASSOC_REQ_IES)
 		NLA_PUT(msg, NL80211_ATTR_IE, sinfo->assoc_req_ies_len,
 			sinfo->assoc_req_ies);
 
@@ -3453,10 +3479,11 @@ static int nl80211_start_sched_scan(struct sk_buff *skb,
 	struct net_device *dev = info->user_ptr[1];
 	struct nlattr *attr;
 	struct wiphy *wiphy;
-	int err, tmp, n_ssids = 0, n_channels, i;
+	int err, tmp, n_ssids = 0, n_match_sets = 0, n_channels, i;
 	u32 interval;
 	enum ieee80211_band band;
 	size_t ie_len;
+	struct nlattr *tb[NL80211_SCHED_SCAN_MATCH_ATTR_MAX + 1];
 
 	if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_SCHED_SCAN) ||
 	    !rdev->ops->sched_scan_start)
@@ -3492,7 +3519,16 @@ static int nl80211_start_sched_scan(struct sk_buff *skb,
 				    tmp)
 			n_ssids++;
 
-	if (n_ssids > wiphy->max_scan_ssids)
+	if (n_ssids > wiphy->max_sched_scan_ssids)
+		return -EINVAL;
+
+	if (info->attrs[NL80211_ATTR_SCHED_SCAN_MATCH])
+		nla_for_each_nested(attr,
+				    info->attrs[NL80211_ATTR_SCHED_SCAN_MATCH],
+				    tmp)
+			n_match_sets++;
+
+	if (n_match_sets > wiphy->max_match_sets)
 		return -EINVAL;
 
 	if (info->attrs[NL80211_ATTR_IE])
@@ -3500,7 +3536,7 @@ static int nl80211_start_sched_scan(struct sk_buff *skb,
 	else
 		ie_len = 0;
 
-	if (ie_len > wiphy->max_scan_ie_len)
+	if (ie_len > wiphy->max_sched_scan_ie_len)
 		return -EINVAL;
 
 	mutex_lock(&rdev->sched_scan_mtx);
@@ -3512,6 +3548,7 @@ static int nl80211_start_sched_scan(struct sk_buff *skb,
 
 	request = kzalloc(sizeof(*request)
 			+ sizeof(*request->ssids) * n_ssids
+			+ sizeof(*request->match_sets) * n_match_sets
 			+ sizeof(*request->channels) * n_channels
 			+ ie_len, GFP_KERNEL);
 	if (!request) {
@@ -3529,6 +3566,18 @@ static int nl80211_start_sched_scan(struct sk_buff *skb,
 			request->ie = (void *)(request->channels + n_channels);
 	}
 
+	if (n_match_sets) {
+		if (request->ie)
+			request->match_sets = (void *)(request->ie + ie_len);
+		else if (request->ssids)
+			request->match_sets =
+				(void *)(request->ssids + n_ssids);
+		else
+			request->match_sets =
+				(void *)(request->channels + n_channels);
+	}
+	request->n_match_sets = n_match_sets;
+
 	i = 0;
 	if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) {
 		/* user specified, bail out if channel not found */
@@ -3593,6 +3642,31 @@ static int nl80211_start_sched_scan(struct sk_buff *skb,
 		}
 	}
 
+	i = 0;
+	if (info->attrs[NL80211_ATTR_SCHED_SCAN_MATCH]) {
+		nla_for_each_nested(attr,
+				    info->attrs[NL80211_ATTR_SCHED_SCAN_MATCH],
+				    tmp) {
+			struct nlattr *ssid;
+
+			nla_parse(tb, NL80211_SCHED_SCAN_MATCH_ATTR_MAX,
+				  nla_data(attr), nla_len(attr),
+				  nl80211_match_policy);
+			ssid = tb[NL80211_ATTR_SCHED_SCAN_MATCH_SSID];
+			if (ssid) {
+				if (nla_len(ssid) > IEEE80211_MAX_SSID_LEN) {
+					err = -EINVAL;
+					goto out_free;
+				}
+				memcpy(request->match_sets[i].ssid.ssid,
+				       nla_data(ssid), nla_len(ssid));
+				request->match_sets[i].ssid.ssid_len =
+					nla_len(ssid);
+			}
+			i++;
+		}
+	}
+
 	if (info->attrs[NL80211_ATTR_IE]) {
 		request->ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
 		memcpy((void *)request->ie,
@@ -5437,7 +5511,7 @@ static struct genl_ops nl80211_ops[] = {
 		.doit = nl80211_get_key,
 		.policy = nl80211_policy,
 		.flags = GENL_ADMIN_PERM,
-		.internal_flags = NL80211_FLAG_NEED_NETDEV |
+		.internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
 				  NL80211_FLAG_NEED_RTNL,
 	},
 	{
@@ -5469,7 +5543,7 @@ static struct genl_ops nl80211_ops[] = {
 		.policy = nl80211_policy,
 		.flags = GENL_ADMIN_PERM,
 		.doit = nl80211_addset_beacon,
-		.internal_flags = NL80211_FLAG_NEED_NETDEV |
+		.internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
 				  NL80211_FLAG_NEED_RTNL,
 	},
 	{
@@ -5477,7 +5551,7 @@ static struct genl_ops nl80211_ops[] = {
 		.policy = nl80211_policy,
 		.flags = GENL_ADMIN_PERM,
 		.doit = nl80211_addset_beacon,
-		.internal_flags = NL80211_FLAG_NEED_NETDEV |
+		.internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
 				  NL80211_FLAG_NEED_RTNL,
 	},
 	{
@@ -5501,7 +5575,7 @@ static struct genl_ops nl80211_ops[] = {
 		.doit = nl80211_set_station,
 		.policy = nl80211_policy,
 		.flags = GENL_ADMIN_PERM,
-		.internal_flags = NL80211_FLAG_NEED_NETDEV |
+		.internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
 				  NL80211_FLAG_NEED_RTNL,
 	},
 	{
@@ -5517,7 +5591,7 @@ static struct genl_ops nl80211_ops[] = {
 		.doit = nl80211_del_station,
 		.policy = nl80211_policy,
 		.flags = GENL_ADMIN_PERM,
-		.internal_flags = NL80211_FLAG_NEED_NETDEV |
+		.internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
 				  NL80211_FLAG_NEED_RTNL,
 	},
 	{
@@ -5550,7 +5624,7 @@ static struct genl_ops nl80211_ops[] = {
 		.doit = nl80211_del_mpath,
 		.policy = nl80211_policy,
 		.flags = GENL_ADMIN_PERM,
-		.internal_flags = NL80211_FLAG_NEED_NETDEV |
+		.internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
 				  NL80211_FLAG_NEED_RTNL,
 	},
 	{
@@ -5558,7 +5632,7 @@ static struct genl_ops nl80211_ops[] = {
 		.doit = nl80211_set_bss,
 		.policy = nl80211_policy,
 		.flags = GENL_ADMIN_PERM,
-		.internal_flags = NL80211_FLAG_NEED_NETDEV |
+		.internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
 				  NL80211_FLAG_NEED_RTNL,
 	},
 	{
@@ -5584,7 +5658,7 @@ static struct genl_ops nl80211_ops[] = {
 		.doit = nl80211_get_mesh_config,
 		.policy = nl80211_policy,
 		/* can be retrieved by unprivileged users */
-		.internal_flags = NL80211_FLAG_NEED_NETDEV |
+		.internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
 				  NL80211_FLAG_NEED_RTNL,
 	},
 	{
@@ -5716,7 +5790,7 @@ static struct genl_ops nl80211_ops[] = {
 		.doit = nl80211_setdel_pmksa,
 		.policy = nl80211_policy,
 		.flags = GENL_ADMIN_PERM,
-		.internal_flags = NL80211_FLAG_NEED_NETDEV |
+		.internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
 				  NL80211_FLAG_NEED_RTNL,
 	},
 	{
@@ -5724,7 +5798,7 @@ static struct genl_ops nl80211_ops[] = {
 		.doit = nl80211_setdel_pmksa,
 		.policy = nl80211_policy,
 		.flags = GENL_ADMIN_PERM,
-		.internal_flags = NL80211_FLAG_NEED_NETDEV |
+		.internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
 				  NL80211_FLAG_NEED_RTNL,
 	},
 	{
@@ -5732,7 +5806,7 @@ static struct genl_ops nl80211_ops[] = {
 		.doit = nl80211_flush_pmksa,
 		.policy = nl80211_policy,
 		.flags = GENL_ADMIN_PERM,
-		.internal_flags = NL80211_FLAG_NEED_NETDEV |
+		.internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
 				  NL80211_FLAG_NEED_RTNL,
 	},
 	{
@@ -5820,7 +5894,7 @@ static struct genl_ops nl80211_ops[] = {
 		.doit = nl80211_set_wds_peer,
 		.policy = nl80211_policy,
 		.flags = GENL_ADMIN_PERM,
-		.internal_flags = NL80211_FLAG_NEED_NETDEV |
+		.internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
 				  NL80211_FLAG_NEED_RTNL,
 	},
 	{
diff --git a/net/wireless/util.c b/net/wireless/util.c
index 4d7b83f..9c22330 100644
--- a/net/wireless/util.c
+++ b/net/wireless/util.c
@@ -990,7 +990,7 @@ int cfg80211_can_change_interface(struct cfg80211_registered_device *rdev,
 			if (rdev->wiphy.software_iftypes & BIT(iftype))
 				continue;
 			for (j = 0; j < c->n_limits; j++) {
-				if (!(limits[j].types & iftype))
+				if (!(limits[j].types & BIT(iftype)))
 					continue;
 				if (limits[j].max < num[iftype])
 					goto cont;