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nl80211: Add flag attribute for RRM connections

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Add a flag attribute to use in associations, for tagging the target
connection as supporting RRM. It is the responsibility of upper
layers to set this flag only if both the underlying device, and the
target network indeed support RRM.
To be used in ASSOCIATE and CONNECT commands.

Signed-off-by: Assaf Krauss <assaf.krauss@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Assaf Krauss
2014-09-03 15:25:01 +03:00
committed by Johannes Berg
parent 1c7e23bf50
commit bab5ab7d2a
3 changed files with 32 additions and 0 deletions
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17
net/wireless/nl80211.c
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@@ -389,6 +389,7 @@ static const struct nla_policy nl80211_policy[NL80211_ATTR_MAX+1] = {
[NL80211_ATTR_TDLS_PEER_CAPABILITY] = { .type = NLA_U32 },
[NL80211_ATTR_IFACE_SOCKET_OWNER] = { .type = NLA_FLAG },
[NL80211_ATTR_CSA_C_OFFSETS_TX] = { .type = NLA_BINARY },
[NL80211_ATTR_USE_RRM] = { .type = NLA_FLAG },
};
/* policy for the key attributes */
@@ -6584,6 +6585,14 @@ static int nl80211_associate(struct sk_buff *skb, struct genl_info *info)
sizeof(req.vht_capa));
}
if (nla_get_flag(info->attrs[NL80211_ATTR_USE_RRM])) {
if (!(rdev->wiphy.features &
NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES) ||
!(rdev->wiphy.features & NL80211_FEATURE_QUIET))
return -EINVAL;
req.flags |= ASSOC_REQ_USE_RRM;
}
err = nl80211_crypto_settings(rdev, info, &req.crypto, 1);
if (!err) {
wdev_lock(dev->ieee80211_ptr);
@@ -7241,6 +7250,14 @@ static int nl80211_connect(struct sk_buff *skb, struct genl_info *info)
sizeof(connect.vht_capa));
}
if (nla_get_flag(info->attrs[NL80211_ATTR_USE_RRM])) {
if (!(rdev->wiphy.features &
NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES) ||
!(rdev->wiphy.features & NL80211_FEATURE_QUIET))
return -EINVAL;
connect.flags |= ASSOC_REQ_USE_RRM;
}
wdev_lock(dev->ieee80211_ptr);
err = cfg80211_connect(rdev, dev, &connect, connkeys, NULL);
wdev_unlock(dev->ieee80211_ptr);