nl/cfg80211: add the NL80211_CMD_SET_MCAST_RATE command
This command triggers a new callback: set_mcast_rate(). It enables
the user to change the rate used to send multicast frames for vif
configured as IBSS or MESH_POINT
Signed-off-by: Antonio Quartulli <ordex@autistici.org>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index 87d4670..9b0a3b8 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -1110,6 +1110,7 @@
goto nla_put_failure;
}
CMD(start_p2p_device, START_P2P_DEVICE);
+ CMD(set_mcast_rate, SET_MCAST_RATE);
#ifdef CONFIG_NL80211_TESTMODE
CMD(testmode_cmd, TESTMODE);
@@ -5448,6 +5449,36 @@
return cfg80211_leave_ibss(rdev, dev, false);
}
+static int nl80211_set_mcast_rate(struct sk_buff *skb, struct genl_info *info)
+{
+ struct cfg80211_registered_device *rdev = info->user_ptr[0];
+ struct net_device *dev = info->user_ptr[1];
+ int mcast_rate[IEEE80211_NUM_BANDS];
+ u32 nla_rate;
+ int err;
+
+ if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC &&
+ dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
+ return -EOPNOTSUPP;
+
+ if (!rdev->ops->set_mcast_rate)
+ return -EOPNOTSUPP;
+
+ memset(mcast_rate, 0, sizeof(mcast_rate));
+
+ if (!info->attrs[NL80211_ATTR_MCAST_RATE])
+ return -EINVAL;
+
+ nla_rate = nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE]);
+ if (!nl80211_parse_mcast_rate(rdev, mcast_rate, nla_rate))
+ return -EINVAL;
+
+ err = rdev->ops->set_mcast_rate(&rdev->wiphy, dev, mcast_rate);
+
+ return err;
+}
+
+
#ifdef CONFIG_NL80211_TESTMODE
static struct genl_multicast_group nl80211_testmode_mcgrp = {
.name = "testmode",
@@ -7629,6 +7660,14 @@
.internal_flags = NL80211_FLAG_NEED_WDEV_UP |
NL80211_FLAG_NEED_RTNL,
},
+ {
+ .cmd = NL80211_CMD_SET_MCAST_RATE,
+ .doit = nl80211_set_mcast_rate,
+ .policy = nl80211_policy,
+ .flags = GENL_ADMIN_PERM,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV |
+ NL80211_FLAG_NEED_RTNL,
+ },
};
static struct genl_multicast_group nl80211_mlme_mcgrp = {