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path: root/package/mac80211/patches/580-cfg80211_ibss_mcast_rate.patch
blob: 7ec4ce49d79b2f9be265eaeac246ebef0ca98c37 (plain)
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--- a/include/linux/nl80211.h
+++ b/include/linux/nl80211.h
@@ -804,6 +804,8 @@ enum nl80211_commands {
  * @NL80211_ATTR_SUPPORT_IBSS_RSN: The device supports IBSS RSN, which mostly
  *	means support for per-station GTKs.
  *
+ * @NL80211_ATTR_MCAST_RATE: Multicast tx rate (in 100 kbps) for IBSS
+ *
  * @NL80211_ATTR_MAX: highest attribute number currently defined
  * @__NL80211_ATTR_AFTER_LAST: internal use
  */
@@ -973,6 +975,8 @@ enum nl80211_attrs {
 
 	NL80211_ATTR_SUPPORT_IBSS_RSN,
 
+	NL80211_ATTR_MCAST_RATE,
+
 	/* add attributes here, update the policy in nl80211.c */
 
 	__NL80211_ATTR_AFTER_LAST,
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -924,6 +924,7 @@ struct cfg80211_disassoc_request {
  * @privacy: this is a protected network, keys will be configured
  *	after joining
  * @basic_rates: bitmap of basic rates to use when creating the IBSS
+ * @mcast_rate: multicast tx rate (in 100 kbps)
  */
 struct cfg80211_ibss_params {
 	u8 *ssid;
@@ -935,6 +936,7 @@ struct cfg80211_ibss_params {
 	u32 basic_rates;
 	bool channel_fixed;
 	bool privacy;
+	int mcast_rate;
 };
 
 /**
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -167,6 +167,7 @@ static const struct nla_policy nl80211_p
 	[NL80211_ATTR_WIPHY_TX_POWER_SETTING] = { .type = NLA_U32 },
 	[NL80211_ATTR_WIPHY_TX_POWER_LEVEL] = { .type = NLA_U32 },
 	[NL80211_ATTR_FRAME_TYPE] = { .type = NLA_U16 },
+	[NL80211_ATTR_MCAST_RATE] = { .type = NLA_U32 },
 };
 
 /* policy for the key attributes */
@@ -3652,6 +3653,9 @@ static int nl80211_join_ibss(struct sk_b
 				return -EINVAL;
 		}
 	}
+	if (info->attrs[NL80211_ATTR_MCAST_RATE])
+		ibss.mcast_rate =
+			nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE]);
 
 	if (ibss.privacy && info->attrs[NL80211_ATTR_KEYS]) {
 		connkeys = nl80211_parse_connkeys(rdev,