cfg80211: Add new BSS attribute ht_opmode

Add a new BSS attribute to allow hostapd to set the current HT opmode.
Otherwise drivers won't be able to set up protection for HT rates in
AP mode.

Cc: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: Helmut Schaa <helmut.schaa@googlemail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 5 insertions, 0 deletions

diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index 2cf03331d4a2..c3f80e565365 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -121,6 +121,7 @@ static const struct nla_policy nl80211_policy[NL80211_ATTR_MAX+1] = {
         [NL80211_ATTR_BSS_SHORT_SLOT_TIME] = { .type = NLA_U8 },
         [NL80211_ATTR_BSS_BASIC_RATES] = { .type = NLA_BINARY,
                                            .len = NL80211_MAX_SUPP_RATES },
+        [NL80211_ATTR_BSS_HT_OPMODE] = { .type = NLA_U16 },
 
         [NL80211_ATTR_MESH_PARAMS] = { .type = NLA_NESTED },
 
@@ -2462,6 +2463,7 @@ static int nl80211_set_bss(struct sk_buff *skb, struct genl_info *info)
         params.use_short_preamble = -1;
         params.use_short_slot_time = -1;
         params.ap_isolate = -1;
+        params.ht_opmode = -1;
 
         if (info->attrs[NL80211_ATTR_BSS_CTS_PROT])
                 params.use_cts_prot =
@@ -2480,6 +2482,9 @@ static int nl80211_set_bss(struct sk_buff *skb, struct genl_info *info)
         }
         if (info->attrs[NL80211_ATTR_AP_ISOLATE])
                 params.ap_isolate = !!nla_get_u8(info->attrs[NL80211_ATTR_AP_ISOLATE]);
+        if (info->attrs[NL80211_ATTR_BSS_HT_OPMODE])
+                params.ht_opmode =
+                        nla_get_u16(info->attrs[NL80211_ATTR_BSS_HT_OPMODE]);
 
         if (!rdev->ops->change_bss)
                 return -EOPNOTSUPP;