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-rw-r--r--include/linux/nl80211.h6
-rw-r--r--include/net/cfg80211.h5
-rw-r--r--net/mac80211/cfg.c18
-rw-r--r--net/wireless/nl80211.c8
4 files changed, 37 insertions, 0 deletions
diff --git a/include/linux/nl80211.h b/include/linux/nl80211.h
index e4cc7869b22..5009809588c 100644
--- a/include/linux/nl80211.h
+++ b/include/linux/nl80211.h
@@ -243,6 +243,9 @@ enum nl80211_commands {
* (u8, 0 or 1)
* @NL80211_ATTR_BSS_SHORT_SLOT_TIME: whether short slot time enabled
* (u8, 0 or 1)
+ * @NL80211_ATTR_BSS_BASIC_RATES: basic rates, array of basic
+ * rates in format defined by IEEE 802.11 7.3.2.2 but without the length
+ * restriction (at most %NL80211_MAX_SUPP_RATES).
*
* @NL80211_ATTR_HT_CAPABILITY: HT Capability information element (from
* association request when used with NL80211_CMD_NEW_STATION)
@@ -307,6 +310,8 @@ enum nl80211_attrs {
NL80211_ATTR_MESH_PARAMS,
+ NL80211_ATTR_BSS_BASIC_RATES,
+
/* add attributes here, update the policy in nl80211.c */
__NL80211_ATTR_AFTER_LAST,
@@ -318,6 +323,7 @@ enum nl80211_attrs {
* here
*/
#define NL80211_ATTR_HT_CAPABILITY NL80211_ATTR_HT_CAPABILITY
+#define NL80211_ATTR_BSS_BASIC_RATES NL80211_ATTR_BSS_BASIC_RATES
#define NL80211_MAX_SUPP_RATES 32
#define NL80211_MAX_SUPP_REG_RULES 32
diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
index 03e1e88c6a0..7caf3c76a12 100644
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -280,11 +280,16 @@ struct mpath_info {
* (0 = no, 1 = yes, -1 = do not change)
* @use_short_slot_time: Whether the use of short slot time is allowed
* (0 = no, 1 = yes, -1 = do not change)
+ * @basic_rates: basic rates in IEEE 802.11 format
+ * (or NULL for no change)
+ * @basic_rates_len: number of basic rates
*/
struct bss_parameters {
int use_cts_prot;
int use_short_preamble;
int use_short_slot_time;
+ u8 *basic_rates;
+ u8 basic_rates_len;
};
/**
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index 91f56a48e2b..442a4d7b180 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -1046,6 +1046,24 @@ static int ieee80211_change_bss(struct wiphy *wiphy,
changed |= BSS_CHANGED_ERP_SLOT;
}
+ if (params->basic_rates) {
+ int i, j;
+ u32 rates = 0;
+ struct ieee80211_local *local = wiphy_priv(wiphy);
+ struct ieee80211_supported_band *sband =
+ wiphy->bands[local->oper_channel->band];
+
+ for (i = 0; i < params->basic_rates_len; i++) {
+ int rate = (params->basic_rates[i] & 0x7f) * 5;
+ for (j = 0; j < sband->n_bitrates; j++) {
+ if (sband->bitrates[j].bitrate == rate)
+ rates |= BIT(j);
+ }
+ }
+ sdata->vif.bss_conf.basic_rates = rates;
+ changed |= BSS_CHANGED_BASIC_RATES;
+ }
+
ieee80211_bss_info_change_notify(sdata, changed);
return 0;
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index 5e1d658a8b5..1ea5e3fd393 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -95,6 +95,8 @@ static struct nla_policy nl80211_policy[NL80211_ATTR_MAX+1] __read_mostly = {
[NL80211_ATTR_BSS_CTS_PROT] = { .type = NLA_U8 },
[NL80211_ATTR_BSS_SHORT_PREAMBLE] = { .type = NLA_U8 },
[NL80211_ATTR_BSS_SHORT_SLOT_TIME] = { .type = NLA_U8 },
+ [NL80211_ATTR_BSS_BASIC_RATES] = { .type = NLA_BINARY,
+ .len = NL80211_MAX_SUPP_RATES },
[NL80211_ATTR_MESH_PARAMS] = { .type = NLA_NESTED },
@@ -1613,6 +1615,12 @@ static int nl80211_set_bss(struct sk_buff *skb, struct genl_info *info)
if (info->attrs[NL80211_ATTR_BSS_SHORT_SLOT_TIME])
params.use_short_slot_time =
nla_get_u8(info->attrs[NL80211_ATTR_BSS_SHORT_SLOT_TIME]);
+ if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) {
+ params.basic_rates =
+ nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
+ params.basic_rates_len =
+ nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
+ }
err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev);
if (err)