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authorHelmut Schaa <helmut.schaa@googlemail.com>2010-11-19 14:40:25 +0300
committerJohn W. Linville <linville@tuxdriver.com>2010-12-08 23:38:43 +0300
commit50b12f597be354a5a224f05c65c54c0667e57aec (patch)
treedb4c59639d3d1bc013a2c3d7e17c47db2f94efc0
parent7659a193f94c0003dd06e9e874d19bade1a8c952 (diff)
downloadlinux-50b12f597be354a5a224f05c65c54c0667e57aec.tar.xz
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>
-rw-r--r--include/linux/nl80211.h4
-rw-r--r--include/net/cfg80211.h3
-rw-r--r--net/wireless/nl80211.c5
3 files changed, 12 insertions, 0 deletions
diff --git a/include/linux/nl80211.h b/include/linux/nl80211.h
index 8e28053ea423..380421253d16 100644
--- a/include/linux/nl80211.h
+++ b/include/linux/nl80211.h
@@ -849,6 +849,8 @@ enum nl80211_commands {
* flag isn't set, the frame will be rejected. This is also used as an
* nl80211 capability flag.
*
+ * @NL80211_ATTR_BSS_HTOPMODE: HT operation mode (u16)
+ *
* @NL80211_ATTR_MAX: highest attribute number currently defined
* @__NL80211_ATTR_AFTER_LAST: internal use
*/
@@ -1025,6 +1027,8 @@ enum nl80211_attrs {
NL80211_ATTR_OFFCHANNEL_TX_OK,
+ NL80211_ATTR_BSS_HT_OPMODE,
+
/* add attributes here, update the policy in nl80211.c */
__NL80211_ATTR_AFTER_LAST,
diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
index 8764c9a5bab7..0d5979924be3 100644
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -605,6 +605,8 @@ struct mpath_info {
* (or NULL for no change)
* @basic_rates_len: number of basic rates
* @ap_isolate: do not forward packets between connected stations
+ * @ht_opmode: HT Operation mode
+ * (u16 = opmode, -1 = do not change)
*/
struct bss_parameters {
int use_cts_prot;
@@ -613,6 +615,7 @@ struct bss_parameters {
u8 *basic_rates;
u8 basic_rates_len;
int ap_isolate;
+ int ht_opmode;
};
/*
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;