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Diffstat (limited to 'net/wireless/nl80211.c')
-rw-r--r--net/wireless/nl80211.c60
1 files changed, 60 insertions, 0 deletions
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index 199fa3da31e9..351b863623af 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -849,6 +849,7 @@ static const struct nla_policy nl80211_policy[NUM_NL80211_ATTR] = {
NLA_POLICY_VALIDATE_FN(NLA_BINARY, validate_supported_selectors,
NL80211_MAX_SUPP_SELECTORS),
[NL80211_ATTR_MLO_RECONF_REM_LINKS] = { .type = NLA_U16 },
+ [NL80211_ATTR_EPCS] = { .type = NLA_FLAG },
};
/* policy for the key attributes */
@@ -16537,6 +16538,26 @@ out:
return err;
}
+static int
+nl80211_epcs_cfg(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];
+ struct wireless_dev *wdev = dev->ieee80211_ptr;
+ bool val;
+
+ if (wdev->iftype != NL80211_IFTYPE_STATION &&
+ wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)
+ return -EOPNOTSUPP;
+
+ if (!wdev->connected)
+ return -ENOLINK;
+
+ val = nla_get_flag(info->attrs[NL80211_ATTR_EPCS]);
+
+ return rdev_set_epcs(rdev, dev, val);
+}
+
#define NL80211_FLAG_NEED_WIPHY 0x01
#define NL80211_FLAG_NEED_NETDEV 0x02
#define NL80211_FLAG_NEED_RTNL 0x04
@@ -17735,6 +17756,12 @@ static const struct genl_small_ops nl80211_small_ops[] = {
.flags = GENL_UNS_ADMIN_PERM,
.internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
},
+ {
+ .cmd = NL80211_CMD_EPCS_CFG,
+ .doit = nl80211_epcs_cfg,
+ .flags = GENL_UNS_ADMIN_PERM,
+ .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
+ },
};
static struct genl_family nl80211_fam __ro_after_init = {
@@ -20480,6 +20507,39 @@ void cfg80211_schedule_channels_check(struct wireless_dev *wdev)
}
EXPORT_SYMBOL(cfg80211_schedule_channels_check);
+void cfg80211_epcs_changed(struct net_device *netdev, bool enabled)
+{
+ struct wireless_dev *wdev = netdev->ieee80211_ptr;
+ struct wiphy *wiphy = wdev->wiphy;
+ struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
+ struct sk_buff *msg;
+ void *hdr;
+
+ trace_cfg80211_epcs_changed(wdev, enabled);
+
+ msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
+ if (!msg)
+ return;
+
+ hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_EPCS_CFG);
+ if (!hdr) {
+ nlmsg_free(msg);
+ return;
+ }
+
+ if (enabled && nla_put_flag(msg, NL80211_ATTR_EPCS))
+ goto nla_put_failure;
+
+ genlmsg_end(msg, hdr);
+ genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
+ NL80211_MCGRP_MLME, GFP_KERNEL);
+ return;
+
+ nla_put_failure:
+ nlmsg_free(msg);
+}
+EXPORT_SYMBOL(cfg80211_epcs_changed);
+
/* initialisation/exit functions */
int __init nl80211_init(void)