nl80211: explicit userspace MPM
Secure mesh had the implicit requirement that the Mesh
Peering Management entity be in userspace. However
userspace might want to implement an open MPM as well, so
specify a mesh setup parameter to indicate this.
Signed-off-by: Thomas Pedersen <thomas@cozybit.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index 7469020..bdf3983 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -4618,6 +4618,7 @@
[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL] = { .type = NLA_U8 },
[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC] = { .type = NLA_U8 },
[NL80211_MESH_SETUP_USERSPACE_AUTH] = { .type = NLA_FLAG },
+ [NL80211_MESH_SETUP_USERSPACE_MPM] = { .type = NLA_FLAG },
[NL80211_MESH_SETUP_IE] = { .type = NLA_BINARY,
.len = IEEE80211_MAX_DATA_LEN },
[NL80211_MESH_SETUP_USERSPACE_AMPE] = { .type = NLA_FLAG },
@@ -4756,6 +4757,7 @@
static int nl80211_parse_mesh_setup(struct genl_info *info,
struct mesh_setup *setup)
{
+ struct cfg80211_registered_device *rdev = info->user_ptr[0];
struct nlattr *tb[NL80211_MESH_SETUP_ATTR_MAX + 1];
if (!info->attrs[NL80211_ATTR_MESH_SETUP])
@@ -4792,8 +4794,14 @@
setup->ie = nla_data(ieattr);
setup->ie_len = nla_len(ieattr);
}
+ if (tb[NL80211_MESH_SETUP_USERSPACE_MPM] &&
+ !(rdev->wiphy.features & NL80211_FEATURE_USERSPACE_MPM))
+ return -EINVAL;
+ setup->user_mpm = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_MPM]);
setup->is_authenticated = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_AUTH]);
setup->is_secure = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_AMPE]);
+ if (setup->is_secure)
+ setup->user_mpm = true;
return 0;
}